- update
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master v1.0.2
李光春 2 years ago
parent 81117223d2
commit 2738d4e876

3
.gitignore vendored

@ -6,4 +6,5 @@
*.log
goinit.sh
gomod.sh
*_test.go
*_test.go
/vendor/

@ -1,6 +1,6 @@
MIT License
Copyright (c) 2018 Arran Walker
Copyright (c) 2018 李光春
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
@ -18,4 +18,4 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
SOFTWARE.

@ -1,25 +1,17 @@
<h1>
<a href="https://www.dtapp.net/">Golang wikeyun</a>
<a href="https://www.dtapp.net/">Golang</a>
</h1>
📦 Golang wikeyun
📦 Golang 微客云
[comment]: <> (go)
[![godoc](https://pkg.go.dev/badge/go.dtapp.net/wikeyun?status.svg)](https://pkg.go.dev/go.dtapp.net/wikeyun)
[![goproxy.cn](https://goproxy.cn/stats/go.dtapp.net/wikeyun/badges/download-count.svg)](https://goproxy.cn/stats/go.dtapp.net/wikeyun)
[![goreportcard.com](https://goreportcard.com/badge/go.dtapp.net/wikeyun)](https://goreportcard.com/report/go.dtapp.net/wikeyun)
[![deps.dev](https://img.shields.io/badge/deps-go-red.svg)](https://deps.dev/go/go.dtapp.net/wikeyun)
[![deps.dev](https://img.shields.io/badge/deps-go-red.svg)](https://deps.dev/go/go.dtapp.net%2Fwikeyun)
#### 安装使用
#### 安装
```go
go get -v -u go.dtapp.net/wikeyun
```
#### 导入
```go
import (
"go.dtapp.net/wikeyun"
)
```

@ -0,0 +1,59 @@
package wikeyun
import (
"go.dtapp.net/dorm"
"go.dtapp.net/goip"
"go.dtapp.net/golog"
"go.dtapp.net/gorequest"
"gorm.io/gorm"
)
type ConfigClient struct {
StoreId int // 店铺ID
AppKey int // key
AppSecret string // secret
MongoDb *dorm.MongoClient // 日志数据库
PgsqlDb *gorm.DB // 日志数据库
DatabaseName string // 库名
}
type Client struct {
client *gorequest.App // 请求客户端
clientIp string // Ip
log *golog.ApiClient // 日志服务
config *ConfigClient
}
func NewClient(config *ConfigClient) (*Client, error) {
var err error
c := &Client{config: config}
c.client = gorequest.NewHttp()
if c.config.PgsqlDb != nil {
c.log, err = golog.NewApiClient(
golog.WithGormClient(c.config.PgsqlDb),
golog.WithTableName(logTable),
)
if err != nil {
return nil, err
}
}
if c.config.MongoDb != nil {
c.log, err = golog.NewApiClient(
golog.WithMongoClient(c.config.MongoDb),
golog.WithDatabaseName(c.config.DatabaseName),
golog.WithCollectionName(logTable),
)
if err != nil {
return nil, err
}
}
xip := goip.GetOutsideIp()
if xip != "" && xip != "0.0.0.0" {
c.clientIp = xip
}
return c, nil
}

@ -3,3 +3,11 @@ package wikeyun
const (
CodeSuccess = "0000"
)
const (
apiUrl = "https://router.wikeyun.cn"
)
const (
logTable = "wikeyun"
)

106
go.mod

@ -3,29 +3,115 @@ module go.dtapp.net/wikeyun
go 1.18
require (
go.dtapp.net/goip v1.0.18
go.dtapp.net/gojson v1.0.0
go.dtapp.net/golog v1.0.14
go.dtapp.net/gorequest v1.0.20
go.dtapp.net/gostring v1.0.3
gorm.io/datatypes v1.0.6
gorm.io/gorm v1.23.6
go.dtapp.net/dorm v1.0.7
go.dtapp.net/goip v1.0.22
go.dtapp.net/golog v1.0.16
go.dtapp.net/gorequest v1.0.23
go.dtapp.net/gostring v1.0.5
gorm.io/gorm v1.23.8
)
require (
gitee.com/chunanyong/dm v1.8.5 // indirect
gitee.com/chunanyong/zorm v1.5.6 // indirect
github.com/basgys/goxml2json v1.1.0 // indirect
github.com/beego/beego/v2 v2.0.4 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
github.com/denisenkom/go-mssqldb v0.12.2 // indirect
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
github.com/dtapps/go-library/utils/gotime v0.0.0-20220321125442-5750f7eb2ca1 // indirect
github.com/edsrzf/mmap-go v1.1.0 // indirect
github.com/gin-contrib/sse v0.1.0 // indirect
github.com/gin-gonic/gin v1.8.1 // indirect
github.com/go-playground/locales v0.14.0 // indirect
github.com/go-playground/universal-translator v0.18.0 // indirect
github.com/go-playground/validator/v10 v10.11.0 // indirect
github.com/go-redis/redis/v8 v8.11.5 // indirect
github.com/go-redis/redis/v9 v9.0.0-beta.2 // indirect
github.com/go-sql-driver/mysql v1.6.0 // indirect
github.com/go-stack/stack v1.8.1 // indirect
github.com/goccy/go-json v0.9.10 // indirect
github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
github.com/golang-sql/sqlexp v0.1.0 // indirect
github.com/golang/snappy v0.0.4 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/hashicorp/golang-lru v0.5.4 // indirect
github.com/jackc/chunkreader/v2 v2.0.1 // indirect
github.com/jackc/pgconn v1.12.1 // indirect
github.com/jackc/pgio v1.0.0 // indirect
github.com/jackc/pgpassfile v1.0.0 // indirect
github.com/jackc/pgproto3/v2 v2.3.0 // indirect
github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
github.com/jackc/pgtype v1.11.0 // indirect
github.com/jackc/pgx/v4 v4.16.1 // indirect
github.com/jinzhu/inflection v1.0.0 // indirect
github.com/jinzhu/now v1.1.5 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/compress v1.15.9 // indirect
github.com/leodido/go-urn v1.2.1 // indirect
github.com/lib/pq v1.10.6 // indirect
github.com/mailru/go-clickhouse/v2 v2.0.0 // indirect
github.com/mattn/go-isatty v0.0.14 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/montanaflynn/stats v0.6.6 // indirect
github.com/natefinch/lumberjack v2.0.0+incompatible // indirect
github.com/pelletier/go-toml/v2 v2.0.2 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
github.com/saracen/go7z v0.0.0-20191010121135-9c09b6bd7fda // indirect
github.com/saracen/solidblock v0.0.0-20190426153529-45df20abab6f // indirect
github.com/shiena/ansicolor v0.0.0-20200904210342-c7312218db18 // indirect
github.com/sirupsen/logrus v1.9.0 // indirect
github.com/syndtr/goleveldb v1.0.0 // indirect
github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
github.com/ugorji/go/codec v1.2.7 // indirect
github.com/ulikunitz/xz v0.5.10 // indirect
go.dtapp.net/gotime v1.0.2 // indirect
github.com/upper/db/v4 v4.5.4 // indirect
github.com/uptrace/bun v1.1.7 // indirect
github.com/uptrace/bun/dialect/mssqldialect v1.1.7 // indirect
github.com/uptrace/bun/dialect/mysqldialect v1.1.7 // indirect
github.com/uptrace/bun/dialect/pgdialect v1.1.7 // indirect
github.com/uptrace/bun/driver/pgdriver v1.1.7 // indirect
github.com/vmihailenco/msgpack/v5 v5.3.5 // indirect
github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
github.com/xdg-go/pbkdf2 v1.0.0 // indirect
github.com/xdg-go/scram v1.1.1 // indirect
github.com/xdg-go/stringprep v1.0.3 // indirect
github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a // indirect
go.dtapp.net/gojson v1.0.1 // indirect
go.dtapp.net/gotime v1.0.4 // indirect
go.dtapp.net/goxml v1.0.1 // indirect
go.mongodb.org/mongo-driver v1.10.0 // indirect
go.uber.org/atomic v1.9.0 // indirect
go.uber.org/multierr v1.8.0 // indirect
go.uber.org/zap v1.21.0 // indirect
golang.org/x/sys v0.0.0-20220610221304-9f5ed59c137d // indirect
golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
golang.org/x/net v0.0.0-20220728211354-c7608f3a8462 // indirect
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10 // indirect
golang.org/x/text v0.3.7 // indirect
gorm.io/driver/mysql v1.3.4 // indirect
google.golang.org/protobuf v1.28.1 // indirect
gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
gorm.io/datatypes v1.0.7 // indirect
gorm.io/driver/mysql v1.3.5 // indirect
gorm.io/driver/postgres v1.3.8 // indirect
gorm.io/driver/sqlserver v1.3.2 // indirect
mellium.im/sasl v0.2.1 // indirect
modernc.org/b v1.0.2 // indirect
modernc.org/db v1.0.4 // indirect
modernc.org/file v1.0.3 // indirect
modernc.org/fileutil v1.1.0 // indirect
modernc.org/golex v1.0.1 // indirect
modernc.org/internal v1.0.4 // indirect
modernc.org/lldb v1.0.4 // indirect
modernc.org/mathutil v1.4.1 // indirect
modernc.org/ql v1.4.1 // indirect
modernc.org/sortutil v1.1.0 // indirect
modernc.org/strutil v1.1.2 // indirect
modernc.org/zappy v1.0.5 // indirect
xorm.io/builder v0.3.12 // indirect
xorm.io/xorm v1.3.1 // indirect
)

749
go.sum

@ -1,33 +1,212 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:lSA0F4e9A2NcQSqGqTOXqu2aRi/XEQxDCBwM8yJtE6s=
gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a/go.mod h1:EXuID2Zs0pAQhH8yz+DNjUbjppKQzKFAn28TMYPB6IU=
gitee.com/chunanyong/dm v1.8.5 h1:7RbtxRqZSzMxMT/6vhjdV/Gym2lV2S0PLUUW0ht4ZC4=
gitee.com/chunanyong/dm v1.8.5/go.mod h1:EPRJnuPFgbyOFgJ0TRYCTGzhq+ZT4wdyaj/GW/LLcNg=
gitee.com/chunanyong/zorm v1.5.6 h1:d5y5u7mYdDU3iuAUDXNf64xqtmdj0LCjz/BJhv6XRFE=
gitee.com/chunanyong/zorm v1.5.6/go.mod h1:Sk+vofBqQXgNrDTe+nWhV6iMXhiBObFHdCo1MfvAdi8=
gitee.com/travelliu/dm v1.8.11192/go.mod h1:DHTzyhCrM843x9VdKVbZ+GKXGRbKM2sJ4LxihRxShkE=
github.com/Azure/azure-sdk-for-go/sdk/azcore v0.19.0/go.mod h1:h6H6c8enJmmocHUbLiiGY6sx7f9i+X3m1CHdd5c6Rdw=
github.com/Azure/azure-sdk-for-go/sdk/azidentity v0.11.0/go.mod h1:HcM1YX14R7CJcghJGOYCgdezslRSVzqwLf/q+4Y2r/0=
github.com/Azure/azure-sdk-for-go/sdk/internal v0.7.0/go.mod h1:yqy467j36fJxcRV2TzfVZ1pCb5vxm4BtZPUdYWe/Xo8=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030IGemrRc=
github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
github.com/basgys/goxml2json v1.1.0 h1:4ln5i4rseYfXNd86lGEB+Vi652IsIXIvggKM/BhUKVw=
github.com/basgys/goxml2json v1.1.0/go.mod h1:wH7a5Np/Q4QoECFIU8zTQlZwZkrilY0itPfecMw41Dw=
github.com/beego/beego/v2 v2.0.4 h1:1NjpVkcqYVdKE06VJTQUVzsgZqFcaj0MqjHna57bWsA=
github.com/beego/beego/v2 v2.0.4/go.mod h1:21YTlo+jRYqrM/dLC0knzmo9C25x0pqddoKqy8kxev8=
github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/bitly/go-simplejson v0.5.0 h1:6IH+V8/tVMab511d5bn4M7EwGXZf9Hj6i2xSwkNEM+Y=
github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=
github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
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github.com/hashicorp/go-rootcerts v1.0.0/go.mod h1:K6zTfqpRlCUIjkwsN4Z+hiSfzSTQa6eBIzfwKfwNnHU=
github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerXegt+ozgdvDeDU=
github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdvsLplgctolz4=
github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
github.com/hashicorp/go-version v1.2.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+lJfyTc=
github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
github.com/ipfs/go-detect-race v0.0.1 h1:qX/xay2W3E4Q1U7d9lNs1sU9nvguX0a7319XbyQ6cOk=
github.com/ipfs/go-detect-race v0.0.1/go.mod h1:8BNT7shDZPo99Q74BpGMK+4D8Mn4j46UU0LZ723meps=
github.com/jackc/chunkreader v1.0.0 h1:4s39bBR8ByfqH+DKm8rQA3E1LHZWB9XWcrz8fqaZbe0=
github.com/jackc/chunkreader v1.0.0/go.mod h1:RT6O25fNZIuasFJRyZ4R/Y2BbhasbmZXF9QQ7T3kePo=
github.com/jackc/chunkreader/v2 v2.0.0/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgOHwnPIn9lDKlk=
@ -36,16 +215,22 @@ github.com/jackc/chunkreader/v2 v2.0.1/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgO
github.com/jackc/pgconn v0.0.0-20190420214824-7e0022ef6ba3/go.mod h1:jkELnwuX+w9qN5YIfX0fl88Ehu4XC3keFuOJJk9pcnA=
github.com/jackc/pgconn v0.0.0-20190824142844-760dd75542eb/go.mod h1:lLjNuW/+OfW9/pnVKPazfWOgNfH2aPem8YQ7ilXGvJE=
github.com/jackc/pgconn v0.0.0-20190831204454-2fabfa3c18b7/go.mod h1:ZJKsE/KZfsUgOEh9hBm+xYTstcNHg7UPMVJqRfQxq4s=
github.com/jackc/pgconn v1.4.0/go.mod h1:Y2O3ZDF0q4mMacyWV3AstPJpeHXWGEetiFttmq5lahk=
github.com/jackc/pgconn v1.5.0/go.mod h1:QeD3lBfpTFe8WUnPZWN5KY/mB8FGMIYRdd8P8Jr0fAI=
github.com/jackc/pgconn v1.5.1-0.20200601181101-fa742c524853/go.mod h1:QeD3lBfpTFe8WUnPZWN5KY/mB8FGMIYRdd8P8Jr0fAI=
github.com/jackc/pgconn v1.8.0/go.mod h1:1C2Pb36bGIP9QHGBYCjnyhqu7Rv3sGshaQUvmfGIB/o=
github.com/jackc/pgconn v1.8.1/go.mod h1:JV6m6b6jhjdmzchES0drzCcYcAHS1OPD5xu3OZ/lE2g=
github.com/jackc/pgconn v1.9.0/go.mod h1:YctiPyvzfU11JFxoXokUOOKQXQmDMoJL9vJzHH8/2JY=
github.com/jackc/pgconn v1.9.1-0.20210724152538-d89c8390a530/go.mod h1:4z2w8XhRbP1hYxkpTuBjTS3ne3J48K83+u0zoyvg2pI=
github.com/jackc/pgconn v1.10.1/go.mod h1:4z2w8XhRbP1hYxkpTuBjTS3ne3J48K83+u0zoyvg2pI=
github.com/jackc/pgconn v1.11.0/go.mod h1:4z2w8XhRbP1hYxkpTuBjTS3ne3J48K83+u0zoyvg2pI=
github.com/jackc/pgconn v1.12.1 h1:rsDFzIpRk7xT4B8FufgpCCeyjdNpKyghZeSefViE5W8=
github.com/jackc/pgconn v1.12.1/go.mod h1:ZkhRC59Llhrq3oSfrikvwQ5NaxYExr6twkdkMLaKono=
github.com/jackc/pgio v1.0.0 h1:g12B9UwVnzGhueNavwioyEEpAmqMe1E/BN9ES+8ovkE=
github.com/jackc/pgio v1.0.0/go.mod h1:oP+2QK2wFfUWgr+gxjoBH9KGBb31Eio69xUb0w5bYf8=
github.com/jackc/pgmock v0.0.0-20190831213851-13a1b77aafa2/go.mod h1:fGZlG77KXmcq05nJLRkk0+p82V8B8Dw8KN2/V9c/OAE=
github.com/jackc/pgmock v0.0.0-20201204152224-4fe30f7445fd/go.mod h1:hrBW0Enj2AZTNpt/7Y5rr2xe/9Mn757Wtb2xeBzPv2c=
github.com/jackc/pgmock v0.0.0-20210724152146-4ad1a8207f65 h1:DadwsjnMwFjfWc9y5Wi/+Zz7xoE5ALHsRQlOctkOiHc=
github.com/jackc/pgmock v0.0.0-20210724152146-4ad1a8207f65/go.mod h1:5R2h2EEX+qri8jOWMbJCtaPWkrrNc7OHwsp2TCqp7ak=
github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
@ -55,28 +240,45 @@ github.com/jackc/pgproto3/v2 v2.0.0-alpha1.0.20190420180111-c116219b62db/go.mod
github.com/jackc/pgproto3/v2 v2.0.0-alpha1.0.20190609003834-432c2951c711/go.mod h1:uH0AWtUmuShn0bcesswc4aBTWGvw0cAxIJp+6OB//Wg=
github.com/jackc/pgproto3/v2 v2.0.0-rc3/go.mod h1:ryONWYqW6dqSg1Lw6vXNMXoBJhpzvWKnT95C46ckYeM=
github.com/jackc/pgproto3/v2 v2.0.0-rc3.0.20190831210041-4c03ce451f29/go.mod h1:ryONWYqW6dqSg1Lw6vXNMXoBJhpzvWKnT95C46ckYeM=
github.com/jackc/pgproto3/v2 v2.0.1/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
github.com/jackc/pgproto3/v2 v2.0.6/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
github.com/jackc/pgproto3/v2 v2.1.1/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
github.com/jackc/pgproto3/v2 v2.2.0/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
github.com/jackc/pgproto3/v2 v2.3.0 h1:brH0pCGBDkBW07HWlN/oSBXrmo3WB0UvZd1pIuDcL8Y=
github.com/jackc/pgproto3/v2 v2.3.0/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
github.com/jackc/pgservicefile v0.0.0-20200307190119-3430c5407db8/go.mod h1:vsD4gTJCa9TptPL8sPkXrLZ+hDuNrZCnj29CQpr4X1E=
github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b h1:C8S2+VttkHFdOOCXJe+YGfa4vHYwlt4Zx+IVXQ97jYg=
github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b/go.mod h1:vsD4gTJCa9TptPL8sPkXrLZ+hDuNrZCnj29CQpr4X1E=
github.com/jackc/pgtype v0.0.0-20190421001408-4ed0de4755e0/go.mod h1:hdSHsc1V01CGwFsrv11mJRHWJ6aifDLfdV3aVjFF0zg=
github.com/jackc/pgtype v0.0.0-20190824184912-ab885b375b90/go.mod h1:KcahbBH1nCMSo2DXpzsoWOAfFkdEtEJpPbVLq8eE+mc=
github.com/jackc/pgtype v0.0.0-20190828014616-a8802b16cc59/go.mod h1:MWlu30kVJrUS8lot6TQqcg7mtthZ9T0EoIBFiJcmcyw=
github.com/jackc/pgtype v1.2.0/go.mod h1:5m2OfMh1wTK7x+Fk952IDmI4nw3nPrvtQdM0ZT4WpC0=
github.com/jackc/pgtype v1.3.1-0.20200510190516-8cd94a14c75a/go.mod h1:vaogEUkALtxZMCH411K+tKzNpwzCKU+AnPzBKZ+I+Po=
github.com/jackc/pgtype v1.3.1-0.20200606141011-f6355165a91c/go.mod h1:cvk9Bgu/VzJ9/lxTO5R5sf80p0DiucVtN7ZxvaC4GmQ=
github.com/jackc/pgtype v1.7.0/go.mod h1:ZnHF+rMePVqDKaOfJVI4Q8IVvAQMryDlDkZnKOI75BE=
github.com/jackc/pgtype v1.8.0/go.mod h1:PqDKcEBtllAtk/2p6z6SHdXW5UB+MhE75tUol2OKexE=
github.com/jackc/pgtype v1.8.1-0.20210724151600-32e20a603178/go.mod h1:C516IlIV9NKqfsMCXTdChteoXmwgUceqaLfjg2e3NlM=
github.com/jackc/pgtype v1.9.1/go.mod h1:LUMuVrfsFfdKGLw+AFFVv6KtHOFMwRgDDzBt76IqCA4=
github.com/jackc/pgtype v1.10.0/go.mod h1:LUMuVrfsFfdKGLw+AFFVv6KtHOFMwRgDDzBt76IqCA4=
github.com/jackc/pgtype v1.11.0 h1:u4uiGPz/1hryuXzyaBhSk6dnIyyG2683olG2OV+UUgs=
github.com/jackc/pgtype v1.11.0/go.mod h1:LUMuVrfsFfdKGLw+AFFVv6KtHOFMwRgDDzBt76IqCA4=
github.com/jackc/pgx/v4 v4.0.0-20190420224344-cc3461e65d96/go.mod h1:mdxmSJJuR08CZQyj1PVQBHy9XOp5p8/SHH6a0psbY9Y=
github.com/jackc/pgx/v4 v4.0.0-20190421002000-1b8f0016e912/go.mod h1:no/Y67Jkk/9WuGR0JG/JseM9irFbnEPbuWV2EELPNuM=
github.com/jackc/pgx/v4 v4.0.0-pre1.0.20190824185557-6972a5742186/go.mod h1:X+GQnOEnf1dqHGpw7JmHqHc1NxDoalibchSk9/RWuDc=
github.com/jackc/pgx/v4 v4.5.0/go.mod h1:EpAKPLdnTorwmPUUsqrPxy5fphV18j9q3wrfRXgo+kA=
github.com/jackc/pgx/v4 v4.6.1-0.20200510190926-94ba730bb1e9/go.mod h1:t3/cdRQl6fOLDxqtlyhe9UWgfIi9R8+8v8GKV5TRA/o=
github.com/jackc/pgx/v4 v4.6.1-0.20200606145419-4e5062306904/go.mod h1:ZDaNWkt9sW1JMiNn0kdYBaLelIhw7Pg4qd+Vk6tw7Hg=
github.com/jackc/pgx/v4 v4.11.0/go.mod h1:i62xJgdrtVDsnL3U8ekyrQXEwGNTRoG7/8r+CIdYfcc=
github.com/jackc/pgx/v4 v4.12.0/go.mod h1:fE547h6VulLPA3kySjfnSG/e2D861g/50JlVUa/ub60=
github.com/jackc/pgx/v4 v4.12.1-0.20210724153913-640aa07df17c/go.mod h1:1QD0+tgSXP7iUjYm9C1NxKhny7lq6ee99u/z+IHFcgs=
github.com/jackc/pgx/v4 v4.14.1/go.mod h1:RgDuE4Z34o7XE92RpLsvFiOEfrAUT0Xt2KxvX73W06M=
github.com/jackc/pgx/v4 v4.15.0/go.mod h1:D/zyOyXiaM1TmVWnOM18p0xdDtdakRBa0RsVGI3U3bw=
github.com/jackc/pgx/v4 v4.16.1 h1:JzTglcal01DrghUqt+PmzWsZx/Yh7SC/CTQmSBMTd0Y=
github.com/jackc/pgx/v4 v4.16.1/go.mod h1:SIhx0D5hoADaiXZVyv+3gSm3LCIIINTVO0PficsvWGQ=
github.com/jackc/puddle v0.0.0-20190413234325-e4ced69a3a2b/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
github.com/jackc/puddle v0.0.0-20190608224051-11cab39313c9/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
github.com/jackc/puddle v1.1.0/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
github.com/jackc/puddle v1.1.1/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
github.com/jackc/puddle v1.1.3/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
github.com/jackc/puddle v1.2.0/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
github.com/jackc/puddle v1.2.1/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
@ -85,48 +287,197 @@ github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkr
github.com/jinzhu/now v1.1.4/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
github.com/klauspost/compress v1.15.6 h1:6D9PcO8QWu0JyaQ2zUMmu16T1T+zjjEpP91guRsvDfY=
github.com/klauspost/compress v1.15.6/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
github.com/klauspost/compress v1.15.9 h1:wKRjX6JRtDdrE9qwa4b/Cip7ACOshUI4smpCQanqjSY=
github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/pty v1.1.8/go.mod h1:O1sed60cT9XZ5uDucP5qwvh+TE3NnUj51EiZO/lmSfw=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/leodido/go-urn v1.2.1 h1:BqpAaACuzVSgi/VLzGZIobT2z4v53pjosyNd9Yv6n/w=
github.com/leodido/go-urn v1.2.1/go.mod h1:zt4jvISO2HfUBqxjfIshjdMTYS56ZS/qv49ictyFfxY=
github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.1.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
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go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
@ -173,81 +602,204 @@ go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
go.uber.org/zap v1.21.0 h1:WefMeulhovoZ2sYXz7st6K0sLj7bBhpiFaud4r4zST8=
go.uber.org/zap v1.21.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20180910181607-0e37d006457b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190411191339-88737f569e3a/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20201203163018-be400aefbc4c/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
golang.org/x/crypto v0.0.0-20201216223049-8b5274cf687f/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20220214200702-86341886e292/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e h1:T8NU3HyQ8ClP4SEE+KbFlg6n0NhuTsN4MyznaarGsZM=
golang.org/x/crypto v0.0.0-20220307211146-efcb8507fb70/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d h1:sK3txAijHtOK88l68nt020reeT1ZdKLIYetKl95FzVY=
golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa h1:zuSxTR4o9y82ebqCUJYNGJbGPo6sKVl54f/TVDObg1c=
golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/exp v0.0.0-20181106170214-d68db9428509/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 h1:6zppjxzCulZykYSLyVDYbneBfbaBIQPYMevg0bEwv2s=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
golang.org/x/net v0.0.0-20210610132358-84b48f89b13b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20220225172249-27dd8689420f h1:oA4XRj0qtSt8Yo1Zms0CUlsT3KG69V2UGQWPBxujDmc=
golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
golang.org/x/net v0.0.0-20220728211354-c7608f3a8462 h1:UreQrH7DbFXSi9ZFox6FNT3WBooWmdANpU+IfkT1T4I=
golang.org/x/net v0.0.0-20220728211354-c7608f3a8462/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f h1:Ax0t5p6N38Ga0dThY21weqDEyz2oklo4IvDkpigvkD8=
golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 h1:uVc8UZUe6tr40fFVnUP5Oj+veunVezqYl9z7DYw9xzw=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201126233918-771906719818/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20220610221304-9f5ed59c137d h1:Zu/JngovGLVi6t2J3nmAf3AoTDwuzw85YZ3b9o4yU7s=
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golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
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gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 h1:VpOs+IwYnYBaFnrNAeB8UUWtL3vEUnzSCL1nVjPhqrw=
gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
@ -255,20 +807,191 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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modernc.org/strutil v1.1.2/go.mod h1:OYajnUAcI/MX+XD/Wx7v1bbdvcQSvxgtb0gC+u3d3eg=
modernc.org/tcl v1.8.13/go.mod h1:V+q/Ef0IJaNUSECieLU4o+8IScapxnMyFV6i/7uQlAY=
modernc.org/token v1.0.0 h1:a0jaWiNMDhDUtqOj09wvjWWAqd3q7WpBulmL9H2egsk=
modernc.org/token v1.0.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
modernc.org/z v1.2.19/go.mod h1:+ZpP0pc4zz97eukOzW3xagV/lS82IpPN9NGG5pNF9vY=
modernc.org/zappy v1.0.3 h1:Tr+P3kclDSrvC6zYBW2hWmOmu5SjG6PtvCt3RCjRmss=
modernc.org/zappy v1.0.3/go.mod h1:w/Akq8ipfols/xZJdR5IYiQNOqC80qz2mVvsEwEbkiI=
modernc.org/zappy v1.0.5 h1:XEh6U/ITG9I5Fgl9mBczbaOU7khNcS2+jPVaYlalif4=
modernc.org/zappy v1.0.5/go.mod h1:Q5T4ra3/JJNORGK16oe8rRAti7kWtRW4Z93fzin2gBc=
sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
xorm.io/builder v0.3.11-0.20220531020008-1bd24a7dc978 h1:bvLlAPW1ZMTWA32LuZMBEGHAUOcATZjzHcotf3SWweM=
xorm.io/builder v0.3.11-0.20220531020008-1bd24a7dc978/go.mod h1:aUW0S9eb9VCaPohFCH3j7czOx1PMW3i1HrSzbLYGBSE=
xorm.io/builder v0.3.12 h1:ASZYX7fQmy+o8UJdhlLHSW57JDOkM8DNhcAF5d0LiJM=
xorm.io/builder v0.3.12/go.mod h1:aUW0S9eb9VCaPohFCH3j7czOx1PMW3i1HrSzbLYGBSE=
xorm.io/xorm v1.3.1 h1:z5egKrDoOLqZFhMjcGF4FBHiTmE5/feQoHclfhNidfM=
xorm.io/xorm v1.3.1/go.mod h1:9NbjqdnjX6eyjRRhh01GHm64r6N9shTb/8Ak3YRt8Nw=

@ -1,27 +0,0 @@
package wikeyun
// Params 请求参数
type Params map[string]interface{}
func NewParams() Params {
p := make(Params)
return p
}
func (c *Client) NewParamsWith(params ...Params) Params {
p := make(Params)
for _, v := range params {
p.SetParams(v)
}
return p
}
func (p Params) Set(key string, value interface{}) {
p[key] = value
}
func (p Params) SetParams(params Params) {
for key, value := range params {
p[key] = value
}
}

@ -1,26 +0,0 @@
package wikeyun
import (
"go.dtapp.net/gojson"
"go.dtapp.net/golog"
"go.dtapp.net/gorequest"
"gorm.io/datatypes"
)
// 记录日志
func (c *Client) postgresqlLog(request gorequest.Response) {
c.log.Record(golog.ApiPostgresqlLog{
RequestTime: golog.TimeString{Time: request.RequestTime}, //【请求】时间
RequestUri: request.RequestUri, //【请求】链接
RequestUrl: gorequest.UriParse(request.RequestUri).Url, //【请求】链接
RequestApi: gorequest.UriParse(request.RequestUri).Path, //【请求】接口
RequestMethod: request.RequestMethod, //【请求】方式
RequestParams: datatypes.JSON(gojson.JsonEncodeNoError(request.RequestParams)), //【请求】参数
RequestHeader: datatypes.JSON(gojson.JsonEncodeNoError(request.RequestHeader)), //【返回】头部
ResponseHeader: datatypes.JSON(gojson.JsonEncodeNoError(request.ResponseHeader)), //【返回】头部
ResponseStatusCode: request.ResponseStatusCode, //【返回】状态码
ResponseBody: request.ResponseBody, //【返回】内容
ResponseContentLength: request.ResponseContentLength, //【返回】大小
ResponseTime: golog.TimeString{Time: request.ResponseTime}, //【返回】时间
})
}

@ -0,0 +1,41 @@
package wikeyun
import (
"fmt"
"go.dtapp.net/gorequest"
)
// 请求接口
func (c *Client) request(url string, params map[string]interface{}) (gorequest.Response, error) {
// 签名
sign := c.sign(params)
// 创建请求
client := c.client
// 设置请求地址
client.SetUri(fmt.Sprintf("%s?app_key=%d&timestamp=%s&client=%s&format=%s&v=%s&sign=%s", url, c.config.AppKey, sign.Timestamp, sign.Client, sign.Format, sign.V, sign.Sign))
// 设置FORM格式
client.SetContentTypeForm()
// 设置参数
client.SetParams(params)
// 发起请求
request, err := client.Post()
if err != nil {
return gorequest.Response{}, err
}
// 日志
if c.config.PgsqlDb != nil {
go c.log.GormMiddleware(request)
}
if c.config.MongoDb != nil {
go c.log.MongoMiddleware(request)
}
return request, err
}

@ -1,10 +1,12 @@
package wikeyun
import "go.dtapp.net/gorequest"
// RestOilCardAdd 添加充值卡
func (c *Client) RestOilCardAdd(notMustParams ...Params) (body []byte, err error) {
func (c *Client) RestOilCardAdd(notMustParams ...gorequest.Params) (body []byte, err error) {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Oil/addCard", params)
request, err := c.request(apiUrl+"/rest/Oil/addCard", params)
return request.ResponseBody, err
}

@ -1,10 +1,12 @@
package wikeyun
import "go.dtapp.net/gorequest"
// RestOilCardInfo 油卡详情
func (c *Client) RestOilCardInfo(notMustParams ...Params) (body []byte, err error) {
func (c *Client) RestOilCardInfo(notMustParams ...gorequest.Params) (body []byte, err error) {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Oil/cardInfo", params)
request, err := c.request(apiUrl+"/rest/Oil/cardInfo", params)
return request.ResponseBody, err
}

@ -1,10 +1,12 @@
package wikeyun
import "go.dtapp.net/gorequest"
// RestOilCardDel 油卡删除
func (c *Client) RestOilCardDel(notMustParams ...Params) (body []byte, err error) {
func (c *Client) RestOilCardDel(notMustParams ...gorequest.Params) (body []byte, err error) {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Oil/delCard", params)
request, err := c.request(apiUrl+"/rest/Oil/delCard", params)
return request.ResponseBody, err
}

@ -1,10 +1,12 @@
package wikeyun
import "go.dtapp.net/gorequest"
// RestOilOrderPush 充值下单
func (c *Client) RestOilOrderPush(notMustParams ...Params) (body []byte, err error) {
func (c *Client) RestOilOrderPush(notMustParams ...gorequest.Params) (body []byte, err error) {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Oil/pushOrder", params)
request, err := c.request(apiUrl+"/rest/Oil/pushOrder", params)
return request.ResponseBody, err
}

@ -1,10 +1,12 @@
package wikeyun
import "go.dtapp.net/gorequest"
// RestOilOrderQuery 订单查询
func (c *Client) RestOilOrderQuery(notMustParams ...Params) (body []byte, err error) {
func (c *Client) RestOilOrderQuery(notMustParams ...gorequest.Params) (body []byte, err error) {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Oil/query", params)
request, err := c.request(apiUrl+"/rest/Oil/query", params)
return request.ResponseBody, err
}

@ -1,10 +1,12 @@
package wikeyun
import "go.dtapp.net/gorequest"
// RestOilCardEdit 编辑充值卡
func (c *Client) RestOilCardEdit(notMustParams ...Params) (body []byte, err error) {
func (c *Client) RestOilCardEdit(notMustParams ...gorequest.Params) (body []byte, err error) {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Oil/editCard", params)
request, err := c.request(apiUrl+"/rest/Oil/editCard", params)
return request.ResponseBody, err
}

@ -28,20 +28,20 @@ type RestPowerAddCardResult struct {
Err error // 错误
}
func NewRestPowerAddCardResult(result RestPowerAddCardResponse, body []byte, http gorequest.Response, err error) *RestPowerAddCardResult {
func newRestPowerAddCardResult(result RestPowerAddCardResponse, body []byte, http gorequest.Response, err error) *RestPowerAddCardResult {
return &RestPowerAddCardResult{Result: result, Body: body, Http: http, Err: err}
}
// RestPowerAddCard 添加电费充值卡
// https://open.wikeyun.cn/#/apiDocument/9/document/326
func (c *Client) RestPowerAddCard(notMustParams ...Params) *RestPowerAddCardResult {
func (c *Client) RestPowerAddCard(notMustParams ...gorequest.Params) *RestPowerAddCardResult {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
params.Set("store_id", c.config.StoreId) // 店铺ID
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Power/addCard", params)
request, err := c.request(apiUrl+"/rest/Power/addCard", params)
// 定义
var response RestPowerAddCardResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestPowerAddCardResult(response, request.ResponseBody, request, err)
return newRestPowerAddCardResult(response, request.ResponseBody, request, err)
}

@ -18,7 +18,7 @@ type RestPowerCancelResult struct {
Err error // 错误
}
func NewRestPowerCancelResult(result RestPowerCancelResponse, body []byte, http gorequest.Response, err error) *RestPowerCancelResult {
func newRestPowerCancelResult(result RestPowerCancelResponse, body []byte, http gorequest.Response, err error) *RestPowerCancelResult {
return &RestPowerCancelResult{Result: result, Body: body, Http: http, Err: err}
}
@ -26,13 +26,13 @@ func NewRestPowerCancelResult(result RestPowerCancelResponse, body []byte, http
// https://open.wikeyun.cn/#/apiDocument/9/document/323
func (c *Client) RestPowerCancel(orderNumber string) *RestPowerCancelResult {
// 参数
param := NewParams()
param := gorequest.NewParams()
param.Set("order_number", orderNumber) // 取消的单号,多个用英文逗号隔开
params := c.NewParamsWith(param)
params := gorequest.NewParamsWith(param)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Power/cancel", params)
request, err := c.request(apiUrl+"/rest/Power/cancel", params)
// 定义
var response RestPowerCancelResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestPowerCancelResult(response, request.ResponseBody, request, err)
return newRestPowerCancelResult(response, request.ResponseBody, request, err)
}

@ -1,11 +1,13 @@
package wikeyun
import "go.dtapp.net/gorequest"
// PowerCardInfo 电费充值卡详情
// https://open.wikeyun.cn/#/apiDocument/9/document/333
func (c *Client) PowerCardInfo(notMustParams ...Params) (body []byte, err error) {
func (c *Client) PowerCardInfo(notMustParams ...gorequest.Params) (body []byte, err error) {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Power/cardInfo", params)
request, err := c.request(apiUrl+"/rest/Power/cardInfo", params)
return request.ResponseBody, err
}

@ -19,7 +19,7 @@ type RestPowerDelCardResult struct {
Err error // 错误
}
func NewRestPowerDelCardResult(result RestPowerDelCardResponse, body []byte, http gorequest.Response, err error) *RestPowerDelCardResult {
func newRestPowerDelCardResult(result RestPowerDelCardResponse, body []byte, http gorequest.Response, err error) *RestPowerDelCardResult {
return &RestPowerDelCardResult{Result: result, Body: body, Http: http, Err: err}
}
@ -27,13 +27,13 @@ func NewRestPowerDelCardResult(result RestPowerDelCardResponse, body []byte, htt
// https://open.wikeyun.cn/#/apiDocument/9/document/330
func (c *Client) RestPowerDelCard(cardId string) *RestPowerDelCardResult {
// 参数
param := NewParams()
param := gorequest.NewParams()
param.Set("card_id", cardId)
params := c.NewParamsWith(param)
params := gorequest.NewParamsWith(param)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Power/delCard", params)
request, err := c.request(apiUrl+"/rest/Power/delCard", params)
// 定义
var response RestPowerDelCardResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestPowerDelCardResult(response, request.ResponseBody, request, err)
return newRestPowerDelCardResult(response, request.ResponseBody, request, err)
}

@ -1,11 +1,13 @@
package wikeyun
import "go.dtapp.net/gorequest"
// RestPowerEditCard 编辑电费充值卡
// https://open.wikeyun.cn/#/apiDocument/9/document/329
func (c *Client) RestPowerEditCard(notMustParams ...Params) (body []byte, err error) {
func (c *Client) RestPowerEditCard(notMustParams ...gorequest.Params) (body []byte, err error) {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Power/editCard", params)
request, err := c.request(apiUrl+"/rest/Power/editCard", params)
return request.ResponseBody, err
}

@ -21,20 +21,20 @@ type RestPowerPushOrderResult struct {
Err error // 错误
}
func NewRestPowerPushOrderResult(result RestPowerPushOrderResponse, body []byte, http gorequest.Response, err error) *RestPowerPushOrderResult {
func newRestPowerPushOrderResult(result RestPowerPushOrderResponse, body []byte, http gorequest.Response, err error) *RestPowerPushOrderResult {
return &RestPowerPushOrderResult{Result: result, Body: body, Http: http, Err: err}
}
// RestPowerPushOrder 电费充值API
// https://open.wikeyun.cn/#/apiDocument/9/document/311
func (c *Client) RestPowerPushOrder(notMustParams ...Params) *RestPowerPushOrderResult {
func (c *Client) RestPowerPushOrder(notMustParams ...gorequest.Params) *RestPowerPushOrderResult {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
params.Set("store_id", c.config.StoreId) // 店铺ID
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Power/pushOrder", params)
request, err := c.request(apiUrl+"/rest/Power/pushOrder", params)
// 定义
var response RestPowerPushOrderResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestPowerPushOrderResult(response, request.ResponseBody, request, err)
return newRestPowerPushOrderResult(response, request.ResponseBody, request, err)
}

@ -28,7 +28,7 @@ type RestPowerQueryResult struct {
Err error // 错误
}
func NewRestPowerQueryResult(result RestPowerQueryResponse, body []byte, http gorequest.Response, err error) *RestPowerQueryResult {
func newRestPowerQueryResult(result RestPowerQueryResponse, body []byte, http gorequest.Response, err error) *RestPowerQueryResult {
return &RestPowerQueryResult{Result: result, Body: body, Http: http, Err: err}
}
@ -36,13 +36,13 @@ func NewRestPowerQueryResult(result RestPowerQueryResponse, body []byte, http go
// https://open.wikeyun.cn/#/apiDocument/9/document/313
func (c *Client) RestPowerQuery(orderNumber string) *RestPowerQueryResult {
// 参数
param := NewParams()
param := gorequest.NewParams()
param.Set("order_number", orderNumber) // 平台单号
params := c.NewParamsWith(param)
params := gorequest.NewParamsWith(param)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Power/query", params)
request, err := c.request(apiUrl+"/rest/Power/query", params)
// 定义
var response RestPowerQueryResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestPowerQueryResult(response, request.ResponseBody, request, err)
return newRestPowerQueryResult(response, request.ResponseBody, request, err)
}

@ -18,7 +18,7 @@ type RestRechargeCancelResult struct {
Err error // 错误
}
func NewRestRechargeCancelResult(result RestRechargeCancelResponse, body []byte, http gorequest.Response, err error) *RestRechargeCancelResult {
func newRestRechargeCancelResult(result RestRechargeCancelResponse, body []byte, http gorequest.Response, err error) *RestRechargeCancelResult {
return &RestRechargeCancelResult{Result: result, Body: body, Http: http, Err: err}
}
@ -26,13 +26,13 @@ func NewRestRechargeCancelResult(result RestRechargeCancelResponse, body []byte,
// https://open.wikeyun.cn/#/apiDocument/9/document/300
func (c *Client) RestRechargeCancel(orderNumber string) *RestRechargeCancelResult {
// 参数
param := NewParams()
param := gorequest.NewParams()
param.Set("order_number", orderNumber) // 取消的单号,多个用英文逗号隔开
params := c.NewParamsWith(param)
params := gorequest.NewParamsWith(param)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Recharge/cancel", params)
request, err := c.request(apiUrl+"/rest/Recharge/cancel", params)
// 定义
var response RestRechargeCancelResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestRechargeCancelResult(response, request.ResponseBody, request, err)
return newRestRechargeCancelResult(response, request.ResponseBody, request, err)
}

@ -38,7 +38,7 @@ type RestRechargeMobileInfoResult struct {
Err error // 错误
}
func NewRestRechargeMobileInfoResult(result RestRechargeMobileInfoResponse, body []byte, http gorequest.Response, err error) *RestRechargeMobileInfoResult {
func newRestRechargeMobileInfoResult(result RestRechargeMobileInfoResponse, body []byte, http gorequest.Response, err error) *RestRechargeMobileInfoResult {
return &RestRechargeMobileInfoResult{Result: result, Body: body, Http: http, Err: err}
}
@ -46,13 +46,13 @@ func NewRestRechargeMobileInfoResult(result RestRechargeMobileInfoResponse, body
// https://open.wikeyun.cn/#/apiDocument/9/document/374
func (c *Client) RestRechargeMobileInfo(orderNumber string) *RestRechargeMobileInfoResult {
// 参数
param := NewParams()
param := gorequest.NewParams()
param.Set("order_number", orderNumber) // 平台单号
params := c.NewParamsWith(param)
params := gorequest.NewParamsWith(param)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Recharge/mobileInfo", params)
request, err := c.request(apiUrl+"/rest/Recharge/mobileInfo", params)
// 定义
var response RestRechargeMobileInfoResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestRechargeMobileInfoResult(response, request.ResponseBody, request, err)
return newRestRechargeMobileInfoResult(response, request.ResponseBody, request, err)
}

@ -20,20 +20,20 @@ type RestRechargePushOrderResult struct {
Err error // 错误
}
func NewRestRechargePushOrderResult(result RestRechargePushOrderResponse, body []byte, http gorequest.Response, err error) *RestRechargePushOrderResult {
func newRestRechargePushOrderResult(result RestRechargePushOrderResponse, body []byte, http gorequest.Response, err error) *RestRechargePushOrderResult {
return &RestRechargePushOrderResult{Result: result, Body: body, Http: http, Err: err}
}
// RestRechargePushOrder 话费充值推送
// https://open.wikeyun.cn/#/apiDocument/9/document/298
func (c *Client) RestRechargePushOrder(notMustParams ...Params) *RestRechargePushOrderResult {
func (c *Client) RestRechargePushOrder(notMustParams ...gorequest.Params) *RestRechargePushOrderResult {
// 参数
params := c.NewParamsWith(notMustParams...)
params := gorequest.NewParamsWith(notMustParams...)
params.Set("store_id", c.config.StoreId) // 店铺ID
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Recharge/pushOrder", params)
request, err := c.request(apiUrl+"/rest/Recharge/pushOrder", params)
// 定义
var response RestRechargePushOrderResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestRechargePushOrderResult(response, request.ResponseBody, request, err)
return newRestRechargePushOrderResult(response, request.ResponseBody, request, err)
}

@ -28,7 +28,7 @@ type RestRechargeQueryResult struct {
Err error // 错误
}
func NewRestRechargeQueryResult(result RestRechargeQueryResponse, body []byte, http gorequest.Response, err error) *RestRechargeQueryResult {
func newRestRechargeQueryResult(result RestRechargeQueryResponse, body []byte, http gorequest.Response, err error) *RestRechargeQueryResult {
return &RestRechargeQueryResult{Result: result, Body: body, Http: http, Err: err}
}
@ -36,13 +36,13 @@ func NewRestRechargeQueryResult(result RestRechargeQueryResponse, body []byte, h
// https://open.wikeyun.cn/#/apiDocument/9/document/299
func (c *Client) RestRechargeQuery(orderNumber string) *RestRechargeQueryResult {
// 参数
param := NewParams()
param := gorequest.NewParams()
param.Set("order_number", orderNumber) // 平台订单号
params := c.NewParamsWith(param)
params := gorequest.NewParamsWith(param)
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/Recharge/query", params)
request, err := c.request(apiUrl+"/rest/Recharge/query", params)
// 定义
var response RestRechargeQueryResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestRechargeQueryResult(response, request.ResponseBody, request, err)
return newRestRechargeQueryResult(response, request.ResponseBody, request, err)
}

@ -23,7 +23,7 @@ type RestUserQueryResult struct {
Err error // 错误
}
func NewRestUserQueryResult(result RestUserQueryResponse, body []byte, http gorequest.Response, err error) *RestUserQueryResult {
func newRestUserQueryResult(result RestUserQueryResponse, body []byte, http gorequest.Response, err error) *RestUserQueryResult {
return &RestUserQueryResult{Result: result, Body: body, Http: http, Err: err}
}
@ -31,9 +31,9 @@ func NewRestUserQueryResult(result RestUserQueryResponse, body []byte, http gore
// https://open.wikeyun.cn/#/apiDocument/10/document/336
func (c *Client) RestUserQuery() *RestUserQueryResult {
// 请求
request, err := c.request("https://router.wikeyun.cn/rest/User/query", map[string]interface{}{})
request, err := c.request(apiUrl+"/rest/User/query", map[string]interface{}{})
// 定义
var response RestUserQueryResponse
err = json.Unmarshal(request.ResponseBody, &response)
return NewRestUserQueryResult(response, request.ResponseBody, request, err)
return newRestUserQueryResult(response, request.ResponseBody, request, err)
}

@ -1,9 +0,0 @@
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
Icon?
ehthumbs.db
Thumbs.db
.idea

@ -1,117 +0,0 @@
# This is the official list of Go-MySQL-Driver authors for copyright purposes.
# If you are submitting a patch, please add your name or the name of the
# organization which holds the copyright to this list in alphabetical order.
# Names should be added to this file as
# Name <email address>
# The email address is not required for organizations.
# Please keep the list sorted.
# Individual Persons
Aaron Hopkins <go-sql-driver at die.net>
Achille Roussel <achille.roussel at gmail.com>
Alex Snast <alexsn at fb.com>
Alexey Palazhchenko <alexey.palazhchenko at gmail.com>
Andrew Reid <andrew.reid at tixtrack.com>
Animesh Ray <mail.rayanimesh at gmail.com>
Arne Hormann <arnehormann at gmail.com>
Ariel Mashraki <ariel at mashraki.co.il>
Asta Xie <xiemengjun at gmail.com>
Bulat Gaifullin <gaifullinbf at gmail.com>
Caine Jette <jette at alum.mit.edu>
Carlos Nieto <jose.carlos at menteslibres.net>
Chris Moos <chris at tech9computers.com>
Craig Wilson <craiggwilson at gmail.com>
Daniel Montoya <dsmontoyam at gmail.com>
Daniel Nichter <nil at codenode.com>
Daniël van Eeden <git at myname.nl>
Dave Protasowski <dprotaso at gmail.com>
DisposaBoy <disposaboy at dby.me>
Egor Smolyakov <egorsmkv at gmail.com>
Erwan Martin <hello at erwan.io>
Evan Shaw <evan at vendhq.com>
Frederick Mayle <frederickmayle at gmail.com>
Gustavo Kristic <gkristic at gmail.com>
Hajime Nakagami <nakagami at gmail.com>
Hanno Braun <mail at hannobraun.com>
Henri Yandell <flamefew at gmail.com>
Hirotaka Yamamoto <ymmt2005 at gmail.com>
Huyiguang <hyg at webterren.com>
ICHINOSE Shogo <shogo82148 at gmail.com>
Ilia Cimpoes <ichimpoesh at gmail.com>
INADA Naoki <songofacandy at gmail.com>
Jacek Szwec <szwec.jacek at gmail.com>
James Harr <james.harr at gmail.com>
Jeff Hodges <jeff at somethingsimilar.com>
Jeffrey Charles <jeffreycharles at gmail.com>
Jerome Meyer <jxmeyer at gmail.com>
Jiajia Zhong <zhong2plus at gmail.com>
Jian Zhen <zhenjl at gmail.com>
Joshua Prunier <joshua.prunier at gmail.com>
Julien Lefevre <julien.lefevr at gmail.com>
Julien Schmidt <go-sql-driver at julienschmidt.com>
Justin Li <jli at j-li.net>
Justin Nuß <nuss.justin at gmail.com>
Kamil Dziedzic <kamil at klecza.pl>
Kei Kamikawa <x00.x7f.x86 at gmail.com>
Kevin Malachowski <kevin at chowski.com>
Kieron Woodhouse <kieron.woodhouse at infosum.com>
Lennart Rudolph <lrudolph at hmc.edu>
Leonardo YongUk Kim <dalinaum at gmail.com>
Linh Tran Tuan <linhduonggnu at gmail.com>
Lion Yang <lion at aosc.xyz>
Luca Looz <luca.looz92 at gmail.com>
Lucas Liu <extrafliu at gmail.com>
Luke Scott <luke at webconnex.com>
Maciej Zimnoch <maciej.zimnoch at codilime.com>
Michael Woolnough <michael.woolnough at gmail.com>
Nathanial Murphy <nathanial.murphy at gmail.com>
Nicola Peduzzi <thenikso at gmail.com>
Olivier Mengué <dolmen at cpan.org>
oscarzhao <oscarzhaosl at gmail.com>
Paul Bonser <misterpib at gmail.com>
Peter Schultz <peter.schultz at classmarkets.com>
Rebecca Chin <rchin at pivotal.io>
Reed Allman <rdallman10 at gmail.com>
Richard Wilkes <wilkes at me.com>
Robert Russell <robert at rrbrussell.com>
Runrioter Wung <runrioter at gmail.com>
Sho Iizuka <sho.i518 at gmail.com>
Sho Ikeda <suicaicoca at gmail.com>
Shuode Li <elemount at qq.com>
Simon J Mudd <sjmudd at pobox.com>
Soroush Pour <me at soroushjp.com>
Stan Putrya <root.vagner at gmail.com>
Stanley Gunawan <gunawan.stanley at gmail.com>
Steven Hartland <steven.hartland at multiplay.co.uk>
Tan Jinhua <312841925 at qq.com>
Thomas Wodarek <wodarekwebpage at gmail.com>
Tim Ruffles <timruffles at gmail.com>
Tom Jenkinson <tom at tjenkinson.me>
Vladimir Kovpak <cn007b at gmail.com>
Vladyslav Zhelezniak <zhvladi at gmail.com>
Xiangyu Hu <xiangyu.hu at outlook.com>
Xiaobing Jiang <s7v7nislands at gmail.com>
Xiuming Chen <cc at cxm.cc>
Xuehong Chan <chanxuehong at gmail.com>
Zhenye Xie <xiezhenye at gmail.com>
Zhixin Wen <john.wenzhixin at gmail.com>
# Organizations
Barracuda Networks, Inc.
Counting Ltd.
DigitalOcean Inc.
Facebook Inc.
GitHub Inc.
Google Inc.
InfoSum Ltd.
Keybase Inc.
Multiplay Ltd.
Percona LLC
Pivotal Inc.
Stripe Inc.
Zendesk Inc.

@ -1,232 +0,0 @@
## Version 1.6 (2021-04-01)
Changes:
- Migrate the CI service from travis-ci to GitHub Actions (#1176, #1183, #1190)
- `NullTime` is deprecated (#960, #1144)
- Reduce allocations when building SET command (#1111)
- Performance improvement for time formatting (#1118)
- Performance improvement for time parsing (#1098, #1113)
New Features:
- Implement `driver.Validator` interface (#1106, #1174)
- Support returning `uint64` from `Valuer` in `ConvertValue` (#1143)
- Add `json.RawMessage` for converter and prepared statement (#1059)
- Interpolate `json.RawMessage` as `string` (#1058)
- Implements `CheckNamedValue` (#1090)
Bugfixes:
- Stop rounding times (#1121, #1172)
- Put zero filler into the SSL handshake packet (#1066)
- Fix checking cancelled connections back into the connection pool (#1095)
- Fix remove last 0 byte for mysql_old_password when password is empty (#1133)
## Version 1.5 (2020-01-07)
Changes:
- Dropped support Go 1.9 and lower (#823, #829, #886, #1016, #1017)
- Improve buffer handling (#890)
- Document potentially insecure TLS configs (#901)
- Use a double-buffering scheme to prevent data races (#943)
- Pass uint64 values without converting them to string (#838, #955)
- Update collations and make utf8mb4 default (#877, #1054)
- Make NullTime compatible with sql.NullTime in Go 1.13+ (#995)
- Removed CloudSQL support (#993, #1007)
- Add Go Module support (#1003)
New Features:
- Implement support of optional TLS (#900)
- Check connection liveness (#934, #964, #997, #1048, #1051, #1052)
- Implement Connector Interface (#941, #958, #1020, #1035)
Bugfixes:
- Mark connections as bad on error during ping (#875)
- Mark connections as bad on error during dial (#867)
- Fix connection leak caused by rapid context cancellation (#1024)
- Mark connections as bad on error during Conn.Prepare (#1030)
## Version 1.4.1 (2018-11-14)
Bugfixes:
- Fix TIME format for binary columns (#818)
- Fix handling of empty auth plugin names (#835)
- Fix caching_sha2_password with empty password (#826)
- Fix canceled context broke mysqlConn (#862)
- Fix OldAuthSwitchRequest support (#870)
- Fix Auth Response packet for cleartext password (#887)
## Version 1.4 (2018-06-03)
Changes:
- Documentation fixes (#530, #535, #567)
- Refactoring (#575, #579, #580, #581, #603, #615, #704)
- Cache column names (#444)
- Sort the DSN parameters in DSNs generated from a config (#637)
- Allow native password authentication by default (#644)
- Use the default port if it is missing in the DSN (#668)
- Removed the `strict` mode (#676)
- Do not query `max_allowed_packet` by default (#680)
- Dropped support Go 1.6 and lower (#696)
- Updated `ConvertValue()` to match the database/sql/driver implementation (#760)
- Document the usage of `0000-00-00T00:00:00` as the time.Time zero value (#783)
- Improved the compatibility of the authentication system (#807)
New Features:
- Multi-Results support (#537)
- `rejectReadOnly` DSN option (#604)
- `context.Context` support (#608, #612, #627, #761)
- Transaction isolation level support (#619, #744)
- Read-Only transactions support (#618, #634)
- `NewConfig` function which initializes a config with default values (#679)
- Implemented the `ColumnType` interfaces (#667, #724)
- Support for custom string types in `ConvertValue` (#623)
- Implemented `NamedValueChecker`, improving support for uint64 with high bit set (#690, #709, #710)
- `caching_sha2_password` authentication plugin support (#794, #800, #801, #802)
- Implemented `driver.SessionResetter` (#779)
- `sha256_password` authentication plugin support (#808)
Bugfixes:
- Use the DSN hostname as TLS default ServerName if `tls=true` (#564, #718)
- Fixed LOAD LOCAL DATA INFILE for empty files (#590)
- Removed columns definition cache since it sometimes cached invalid data (#592)
- Don't mutate registered TLS configs (#600)
- Make RegisterTLSConfig concurrency-safe (#613)
- Handle missing auth data in the handshake packet correctly (#646)
- Do not retry queries when data was written to avoid data corruption (#302, #736)
- Cache the connection pointer for error handling before invalidating it (#678)
- Fixed imports for appengine/cloudsql (#700)
- Fix sending STMT_LONG_DATA for 0 byte data (#734)
- Set correct capacity for []bytes read from length-encoded strings (#766)
- Make RegisterDial concurrency-safe (#773)
## Version 1.3 (2016-12-01)
Changes:
- Go 1.1 is no longer supported
- Use decimals fields in MySQL to format time types (#249)
- Buffer optimizations (#269)
- TLS ServerName defaults to the host (#283)
- Refactoring (#400, #410, #437)
- Adjusted documentation for second generation CloudSQL (#485)
- Documented DSN system var quoting rules (#502)
- Made statement.Close() calls idempotent to avoid errors in Go 1.6+ (#512)
New Features:
- Enable microsecond resolution on TIME, DATETIME and TIMESTAMP (#249)
- Support for returning table alias on Columns() (#289, #359, #382)
- Placeholder interpolation, can be actived with the DSN parameter `interpolateParams=true` (#309, #318, #490)
- Support for uint64 parameters with high bit set (#332, #345)
- Cleartext authentication plugin support (#327)
- Exported ParseDSN function and the Config struct (#403, #419, #429)
- Read / Write timeouts (#401)
- Support for JSON field type (#414)
- Support for multi-statements and multi-results (#411, #431)
- DSN parameter to set the driver-side max_allowed_packet value manually (#489)
- Native password authentication plugin support (#494, #524)
Bugfixes:
- Fixed handling of queries without columns and rows (#255)
- Fixed a panic when SetKeepAlive() failed (#298)
- Handle ERR packets while reading rows (#321)
- Fixed reading NULL length-encoded integers in MySQL 5.6+ (#349)
- Fixed absolute paths support in LOAD LOCAL DATA INFILE (#356)
- Actually zero out bytes in handshake response (#378)
- Fixed race condition in registering LOAD DATA INFILE handler (#383)
- Fixed tests with MySQL 5.7.9+ (#380)
- QueryUnescape TLS config names (#397)
- Fixed "broken pipe" error by writing to closed socket (#390)
- Fixed LOAD LOCAL DATA INFILE buffering (#424)
- Fixed parsing of floats into float64 when placeholders are used (#434)
- Fixed DSN tests with Go 1.7+ (#459)
- Handle ERR packets while waiting for EOF (#473)
- Invalidate connection on error while discarding additional results (#513)
- Allow terminating packets of length 0 (#516)
## Version 1.2 (2014-06-03)
Changes:
- We switched back to a "rolling release". `go get` installs the current master branch again
- Version v1 of the driver will not be maintained anymore. Go 1.0 is no longer supported by this driver
- Exported errors to allow easy checking from application code
- Enabled TCP Keepalives on TCP connections
- Optimized INFILE handling (better buffer size calculation, lazy init, ...)
- The DSN parser also checks for a missing separating slash
- Faster binary date / datetime to string formatting
- Also exported the MySQLWarning type
- mysqlConn.Close returns the first error encountered instead of ignoring all errors
- writePacket() automatically writes the packet size to the header
- readPacket() uses an iterative approach instead of the recursive approach to merge splitted packets
New Features:
- `RegisterDial` allows the usage of a custom dial function to establish the network connection
- Setting the connection collation is possible with the `collation` DSN parameter. This parameter should be preferred over the `charset` parameter
- Logging of critical errors is configurable with `SetLogger`
- Google CloudSQL support
Bugfixes:
- Allow more than 32 parameters in prepared statements
- Various old_password fixes
- Fixed TestConcurrent test to pass Go's race detection
- Fixed appendLengthEncodedInteger for large numbers
- Renamed readLengthEnodedString to readLengthEncodedString and skipLengthEnodedString to skipLengthEncodedString (fixed typo)
## Version 1.1 (2013-11-02)
Changes:
- Go-MySQL-Driver now requires Go 1.1
- Connections now use the collation `utf8_general_ci` by default. Adding `&charset=UTF8` to the DSN should not be necessary anymore
- Made closing rows and connections error tolerant. This allows for example deferring rows.Close() without checking for errors
- `[]byte(nil)` is now treated as a NULL value. Before, it was treated like an empty string / `[]byte("")`
- DSN parameter values must now be url.QueryEscape'ed. This allows text values to contain special characters, such as '&'.
- Use the IO buffer also for writing. This results in zero allocations (by the driver) for most queries
- Optimized the buffer for reading
- stmt.Query now caches column metadata
- New Logo
- Changed the copyright header to include all contributors
- Improved the LOAD INFILE documentation
- The driver struct is now exported to make the driver directly accessible
- Refactored the driver tests
- Added more benchmarks and moved all to a separate file
- Other small refactoring
New Features:
- Added *old_passwords* support: Required in some cases, but must be enabled by adding `allowOldPasswords=true` to the DSN since it is insecure
- Added a `clientFoundRows` parameter: Return the number of matching rows instead of the number of rows changed on UPDATEs
- Added TLS/SSL support: Use a TLS/SSL encrypted connection to the server. Custom TLS configs can be registered and used
Bugfixes:
- Fixed MySQL 4.1 support: MySQL 4.1 sends packets with lengths which differ from the specification
- Convert to DB timezone when inserting `time.Time`
- Splitted packets (more than 16MB) are now merged correctly
- Fixed false positive `io.EOF` errors when the data was fully read
- Avoid panics on reuse of closed connections
- Fixed empty string producing false nil values
- Fixed sign byte for positive TIME fields
## Version 1.0 (2013-05-14)
Initial Release

@ -1,373 +0,0 @@
Mozilla Public License Version 2.0
==================================
1. Definitions
--------------
1.1. "Contributor"
means each individual or legal entity that creates, contributes to
the creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used
by a Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached
the notice in Exhibit A, the Executable Form of such Source Code
Form, and Modifications of such Source Code Form, in each case
including portions thereof.
1.5. "Incompatible With Secondary Licenses"
means
(a) that the initial Contributor has attached the notice described
in Exhibit B to the Covered Software; or
(b) that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the
terms of a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in
a separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible,
whether at the time of the initial grant or subsequently, any and
all of the rights conveyed by this License.
1.10. "Modifications"
means any of the following:
(a) any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered
Software; or
(b) any new file in Source Code Form that contains any Covered
Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the
License, by the making, using, selling, offering for sale, having
made, import, or transfer of either its Contributions or its
Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU
Lesser General Public License, Version 2.1, the GNU Affero General
Public License, Version 3.0, or any later versions of those
licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that
controls, is controlled by, or is under common control with You. For
purposes of this definition, "control" means (a) the power, direct
or indirect, to cause the direction or management of such entity,
whether by contract or otherwise, or (b) ownership of more than
fifty percent (50%) of the outstanding shares or beneficial
ownership of such entity.
2. License Grants and Conditions
--------------------------------
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
(a) under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
(b) under Patent Claims of such Contributor to make, use, sell, offer
for sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
(a) for any code that a Contributor has removed from Covered Software;
or
(b) for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
(c) under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights
to grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
in Section 2.1.
3. Responsibilities
-------------------
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
(a) such Covered Software must also be made available in Source Code
Form, as described in Section 3.1, and You must inform recipients of
the Executable Form how they can obtain a copy of such Source Code
Form by reasonable means in a timely manner, at a charge no more
than the cost of distribution to the recipient; and
(b) You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter
the recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty,
or limitations of liability) contained within the Source Code Form of
the Covered Software, except that You may alter any license notices to
the extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
---------------------------------------------------
If it is impossible for You to comply with any of the terms of this
License with respect to some or all of the Covered Software due to
statute, judicial order, or regulation then You must: (a) comply with
the terms of this License to the maximum extent possible; and (b)
describe the limitations and the code they affect. Such description must
be placed in a text file included with all distributions of the Covered
Software under this License. Except to the extent prohibited by statute
or regulation, such description must be sufficiently detailed for a
recipient of ordinary skill to be able to understand it.
5. Termination
--------------
5.1. The rights granted under this License will terminate automatically
if You fail to comply with any of its terms. However, if You become
compliant, then the rights granted under this License from a particular
Contributor are reinstated (a) provisionally, unless and until such
Contributor explicitly and finally terminates Your grants, and (b) on an
ongoing basis, if such Contributor fails to notify You of the
non-compliance by some reasonable means prior to 60 days after You have
come back into compliance. Moreover, Your grants from a particular
Contributor are reinstated on an ongoing basis if such Contributor
notifies You of the non-compliance by some reasonable means, this is the
first time You have received notice of non-compliance with this License
from such Contributor, and You become compliant prior to 30 days after
Your receipt of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all
end user license agreements (excluding distributors and resellers) which
have been validly granted by You or Your distributors under this License
prior to termination shall survive termination.
************************************************************************
* *
* 6. Disclaimer of Warranty *
* ------------------------- *
* *
* Covered Software is provided under this License on an "as is" *
* basis, without warranty of any kind, either expressed, implied, or *
* statutory, including, without limitation, warranties that the *
* Covered Software is free of defects, merchantable, fit for a *
* particular purpose or non-infringing. The entire risk as to the *
* quality and performance of the Covered Software is with You. *
* Should any Covered Software prove defective in any respect, You *
* (not any Contributor) assume the cost of any necessary servicing, *
* repair, or correction. This disclaimer of warranty constitutes an *
* essential part of this License. No use of any Covered Software is *
* authorized under this License except under this disclaimer. *
* *
************************************************************************
************************************************************************
* *
* 7. Limitation of Liability *
* -------------------------- *
* *
* Under no circumstances and under no legal theory, whether tort *
* (including negligence), contract, or otherwise, shall any *
* Contributor, or anyone who distributes Covered Software as *
* permitted above, be liable to You for any direct, indirect, *
* special, incidental, or consequential damages of any character *
* including, without limitation, damages for lost profits, loss of *
* goodwill, work stoppage, computer failure or malfunction, or any *
* and all other commercial damages or losses, even if such party *
* shall have been informed of the possibility of such damages. This *
* limitation of liability shall not apply to liability for death or *
* personal injury resulting from such party's negligence to the *
* extent applicable law prohibits such limitation. Some *
* jurisdictions do not allow the exclusion or limitation of *
* incidental or consequential damages, so this exclusion and *
* limitation may not apply to You. *
* *
************************************************************************
8. Litigation
-------------
Any litigation relating to this License may be brought only in the
courts of a jurisdiction where the defendant maintains its principal
place of business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions.
Nothing in this Section shall prevent a party's ability to bring
cross-claims or counter-claims.
9. Miscellaneous
----------------
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides
that the language of a contract shall be construed against the drafter
shall not be used to construe this License against a Contributor.
10. Versions of the License
---------------------------
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses
If You choose to distribute Source Code Form that is Incompatible With
Secondary Licenses under the terms of this version of the License, the
notice described in Exhibit B of this License must be attached.
Exhibit A - Source Code Form License Notice
-------------------------------------------
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular
file, then You may include the notice in a location (such as a LICENSE
file in a relevant directory) where a recipient would be likely to look
for such a notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
---------------------------------------------------------
This Source Code Form is "Incompatible With Secondary Licenses", as
defined by the Mozilla Public License, v. 2.0.

@ -1,520 +0,0 @@
# Go-MySQL-Driver
A MySQL-Driver for Go's [database/sql](https://golang.org/pkg/database/sql/) package
![Go-MySQL-Driver logo](https://raw.github.com/wiki/go-sql-driver/mysql/gomysql_m.png "Golang Gopher holding the MySQL Dolphin")
---------------------------------------
* [Features](#features)
* [Requirements](#requirements)
* [Installation](#installation)
* [Usage](#usage)
* [DSN (Data Source Name)](#dsn-data-source-name)
* [Password](#password)
* [Protocol](#protocol)
* [Address](#address)
* [Parameters](#parameters)
* [Examples](#examples)
* [Connection pool and timeouts](#connection-pool-and-timeouts)
* [context.Context Support](#contextcontext-support)
* [ColumnType Support](#columntype-support)
* [LOAD DATA LOCAL INFILE support](#load-data-local-infile-support)
* [time.Time support](#timetime-support)
* [Unicode support](#unicode-support)
* [Testing / Development](#testing--development)
* [License](#license)
---------------------------------------
## Features
* Lightweight and [fast](https://github.com/go-sql-driver/sql-benchmark "golang MySQL-Driver performance")
* Native Go implementation. No C-bindings, just pure Go
* Connections over TCP/IPv4, TCP/IPv6, Unix domain sockets or [custom protocols](https://godoc.org/github.com/go-sql-driver/mysql#DialFunc)
* Automatic handling of broken connections
* Automatic Connection Pooling *(by database/sql package)*
* Supports queries larger than 16MB
* Full [`sql.RawBytes`](https://golang.org/pkg/database/sql/#RawBytes) support.
* Intelligent `LONG DATA` handling in prepared statements
* Secure `LOAD DATA LOCAL INFILE` support with file allowlisting and `io.Reader` support
* Optional `time.Time` parsing
* Optional placeholder interpolation
## Requirements
* Go 1.10 or higher. We aim to support the 3 latest versions of Go.
* MySQL (4.1+), MariaDB, Percona Server, Google CloudSQL or Sphinx (2.2.3+)
---------------------------------------
## Installation
Simple install the package to your [$GOPATH](https://github.com/golang/go/wiki/GOPATH "GOPATH") with the [go tool](https://golang.org/cmd/go/ "go command") from shell:
```bash
$ go get -u github.com/go-sql-driver/mysql
```
Make sure [Git is installed](https://git-scm.com/downloads) on your machine and in your system's `PATH`.
## Usage
_Go MySQL Driver_ is an implementation of Go's `database/sql/driver` interface. You only need to import the driver and can use the full [`database/sql`](https://golang.org/pkg/database/sql/) API then.
Use `mysql` as `driverName` and a valid [DSN](#dsn-data-source-name) as `dataSourceName`:
```go
import (
"database/sql"
"time"
_ "github.com/go-sql-driver/mysql"
)
// ...
db, err := sql.Open("mysql", "user:password@/dbname")
if err != nil {
panic(err)
}
// See "Important settings" section.
db.SetConnMaxLifetime(time.Minute * 3)
db.SetMaxOpenConns(10)
db.SetMaxIdleConns(10)
```
[Examples are available in our Wiki](https://github.com/go-sql-driver/mysql/wiki/Examples "Go-MySQL-Driver Examples").
### Important settings
`db.SetConnMaxLifetime()` is required to ensure connections are closed by the driver safely before connection is closed by MySQL server, OS, or other middlewares. Since some middlewares close idle connections by 5 minutes, we recommend timeout shorter than 5 minutes. This setting helps load balancing and changing system variables too.
`db.SetMaxOpenConns()` is highly recommended to limit the number of connection used by the application. There is no recommended limit number because it depends on application and MySQL server.
`db.SetMaxIdleConns()` is recommended to be set same to (or greater than) `db.SetMaxOpenConns()`. When it is smaller than `SetMaxOpenConns()`, connections can be opened and closed very frequently than you expect. Idle connections can be closed by the `db.SetConnMaxLifetime()`. If you want to close idle connections more rapidly, you can use `db.SetConnMaxIdleTime()` since Go 1.15.
### DSN (Data Source Name)
The Data Source Name has a common format, like e.g. [PEAR DB](http://pear.php.net/manual/en/package.database.db.intro-dsn.php) uses it, but without type-prefix (optional parts marked by squared brackets):
```
[username[:password]@][protocol[(address)]]/dbname[?param1=value1&...&paramN=valueN]
```
A DSN in its fullest form:
```
username:password@protocol(address)/dbname?param=value
```
Except for the databasename, all values are optional. So the minimal DSN is:
```
/dbname
```
If you do not want to preselect a database, leave `dbname` empty:
```
/
```
This has the same effect as an empty DSN string:
```
```
Alternatively, [Config.FormatDSN](https://godoc.org/github.com/go-sql-driver/mysql#Config.FormatDSN) can be used to create a DSN string by filling a struct.
#### Password
Passwords can consist of any character. Escaping is **not** necessary.
#### Protocol
See [net.Dial](https://golang.org/pkg/net/#Dial) for more information which networks are available.
In general you should use an Unix domain socket if available and TCP otherwise for best performance.
#### Address
For TCP and UDP networks, addresses have the form `host[:port]`.
If `port` is omitted, the default port will be used.
If `host` is a literal IPv6 address, it must be enclosed in square brackets.
The functions [net.JoinHostPort](https://golang.org/pkg/net/#JoinHostPort) and [net.SplitHostPort](https://golang.org/pkg/net/#SplitHostPort) manipulate addresses in this form.
For Unix domain sockets the address is the absolute path to the MySQL-Server-socket, e.g. `/var/run/mysqld/mysqld.sock` or `/tmp/mysql.sock`.
#### Parameters
*Parameters are case-sensitive!*
Notice that any of `true`, `TRUE`, `True` or `1` is accepted to stand for a true boolean value. Not surprisingly, false can be specified as any of: `false`, `FALSE`, `False` or `0`.
##### `allowAllFiles`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowAllFiles=true` disables the file allowlist for `LOAD DATA LOCAL INFILE` and allows *all* files.
[*Might be insecure!*](http://dev.mysql.com/doc/refman/5.7/en/load-data-local.html)
##### `allowCleartextPasswords`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowCleartextPasswords=true` allows using the [cleartext client side plugin](https://dev.mysql.com/doc/en/cleartext-pluggable-authentication.html) if required by an account, such as one defined with the [PAM authentication plugin](http://dev.mysql.com/doc/en/pam-authentication-plugin.html). Sending passwords in clear text may be a security problem in some configurations. To avoid problems if there is any possibility that the password would be intercepted, clients should connect to MySQL Server using a method that protects the password. Possibilities include [TLS / SSL](#tls), IPsec, or a private network.
##### `allowNativePasswords`
```
Type: bool
Valid Values: true, false
Default: true
```
`allowNativePasswords=false` disallows the usage of MySQL native password method.
##### `allowOldPasswords`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowOldPasswords=true` allows the usage of the insecure old password method. This should be avoided, but is necessary in some cases. See also [the old_passwords wiki page](https://github.com/go-sql-driver/mysql/wiki/old_passwords).
##### `charset`
```
Type: string
Valid Values: <name>
Default: none
```
Sets the charset used for client-server interaction (`"SET NAMES <value>"`). If multiple charsets are set (separated by a comma), the following charset is used if setting the charset failes. This enables for example support for `utf8mb4` ([introduced in MySQL 5.5.3](http://dev.mysql.com/doc/refman/5.5/en/charset-unicode-utf8mb4.html)) with fallback to `utf8` for older servers (`charset=utf8mb4,utf8`).
Usage of the `charset` parameter is discouraged because it issues additional queries to the server.
Unless you need the fallback behavior, please use `collation` instead.
##### `checkConnLiveness`
```
Type: bool
Valid Values: true, false
Default: true
```
On supported platforms connections retrieved from the connection pool are checked for liveness before using them. If the check fails, the respective connection is marked as bad and the query retried with another connection.
`checkConnLiveness=false` disables this liveness check of connections.
##### `collation`
```
Type: string
Valid Values: <name>
Default: utf8mb4_general_ci
```
Sets the collation used for client-server interaction on connection. In contrast to `charset`, `collation` does not issue additional queries. If the specified collation is unavailable on the target server, the connection will fail.
A list of valid charsets for a server is retrievable with `SHOW COLLATION`.
The default collation (`utf8mb4_general_ci`) is supported from MySQL 5.5. You should use an older collation (e.g. `utf8_general_ci`) for older MySQL.
Collations for charset "ucs2", "utf16", "utf16le", and "utf32" can not be used ([ref](https://dev.mysql.com/doc/refman/5.7/en/charset-connection.html#charset-connection-impermissible-client-charset)).
##### `clientFoundRows`
```
Type: bool
Valid Values: true, false
Default: false
```
`clientFoundRows=true` causes an UPDATE to return the number of matching rows instead of the number of rows changed.
##### `columnsWithAlias`
```
Type: bool
Valid Values: true, false
Default: false
```
When `columnsWithAlias` is true, calls to `sql.Rows.Columns()` will return the table alias and the column name separated by a dot. For example:
```
SELECT u.id FROM users as u
```
will return `u.id` instead of just `id` if `columnsWithAlias=true`.
##### `interpolateParams`
```
Type: bool
Valid Values: true, false
Default: false
```
If `interpolateParams` is true, placeholders (`?`) in calls to `db.Query()` and `db.Exec()` are interpolated into a single query string with given parameters. This reduces the number of roundtrips, since the driver has to prepare a statement, execute it with given parameters and close the statement again with `interpolateParams=false`.
*This can not be used together with the multibyte encodings BIG5, CP932, GB2312, GBK or SJIS. These are rejected as they may [introduce a SQL injection vulnerability](http://stackoverflow.com/a/12118602/3430118)!*
##### `loc`
```
Type: string
Valid Values: <escaped name>
Default: UTC
```
Sets the location for time.Time values (when using `parseTime=true`). *"Local"* sets the system's location. See [time.LoadLocation](https://golang.org/pkg/time/#LoadLocation) for details.
Note that this sets the location for time.Time values but does not change MySQL's [time_zone setting](https://dev.mysql.com/doc/refman/5.5/en/time-zone-support.html). For that see the [time_zone system variable](#system-variables), which can also be set as a DSN parameter.
Please keep in mind, that param values must be [url.QueryEscape](https://golang.org/pkg/net/url/#QueryEscape)'ed. Alternatively you can manually replace the `/` with `%2F`. For example `US/Pacific` would be `loc=US%2FPacific`.
##### `maxAllowedPacket`
```
Type: decimal number
Default: 4194304
```
Max packet size allowed in bytes. The default value is 4 MiB and should be adjusted to match the server settings. `maxAllowedPacket=0` can be used to automatically fetch the `max_allowed_packet` variable from server *on every connection*.
##### `multiStatements`
```
Type: bool
Valid Values: true, false
Default: false
```
Allow multiple statements in one query. While this allows batch queries, it also greatly increases the risk of SQL injections. Only the result of the first query is returned, all other results are silently discarded.
When `multiStatements` is used, `?` parameters must only be used in the first statement.
##### `parseTime`
```
Type: bool
Valid Values: true, false
Default: false
```
`parseTime=true` changes the output type of `DATE` and `DATETIME` values to `time.Time` instead of `[]byte` / `string`
The date or datetime like `0000-00-00 00:00:00` is converted into zero value of `time.Time`.
##### `readTimeout`
```
Type: duration
Default: 0
```
I/O read timeout. The value must be a decimal number with a unit suffix (*"ms"*, *"s"*, *"m"*, *"h"*), such as *"30s"*, *"0.5m"* or *"1m30s"*.
##### `rejectReadOnly`
```
Type: bool
Valid Values: true, false
Default: false
```
`rejectReadOnly=true` causes the driver to reject read-only connections. This
is for a possible race condition during an automatic failover, where the mysql
client gets connected to a read-only replica after the failover.
Note that this should be a fairly rare case, as an automatic failover normally
happens when the primary is down, and the race condition shouldn't happen
unless it comes back up online as soon as the failover is kicked off. On the
other hand, when this happens, a MySQL application can get stuck on a
read-only connection until restarted. It is however fairly easy to reproduce,
for example, using a manual failover on AWS Aurora's MySQL-compatible cluster.
If you are not relying on read-only transactions to reject writes that aren't
supposed to happen, setting this on some MySQL providers (such as AWS Aurora)
is safer for failovers.
Note that ERROR 1290 can be returned for a `read-only` server and this option will
cause a retry for that error. However the same error number is used for some
other cases. You should ensure your application will never cause an ERROR 1290
except for `read-only` mode when enabling this option.
##### `serverPubKey`
```
Type: string
Valid Values: <name>
Default: none
```
Server public keys can be registered with [`mysql.RegisterServerPubKey`](https://godoc.org/github.com/go-sql-driver/mysql#RegisterServerPubKey), which can then be used by the assigned name in the DSN.
Public keys are used to transmit encrypted data, e.g. for authentication.
If the server's public key is known, it should be set manually to avoid expensive and potentially insecure transmissions of the public key from the server to the client each time it is required.
##### `timeout`
```
Type: duration
Default: OS default
```
Timeout for establishing connections, aka dial timeout. The value must be a decimal number with a unit suffix (*"ms"*, *"s"*, *"m"*, *"h"*), such as *"30s"*, *"0.5m"* or *"1m30s"*.
##### `tls`
```
Type: bool / string
Valid Values: true, false, skip-verify, preferred, <name>
Default: false
```
`tls=true` enables TLS / SSL encrypted connection to the server. Use `skip-verify` if you want to use a self-signed or invalid certificate (server side) or use `preferred` to use TLS only when advertised by the server. This is similar to `skip-verify`, but additionally allows a fallback to a connection which is not encrypted. Neither `skip-verify` nor `preferred` add any reliable security. You can use a custom TLS config after registering it with [`mysql.RegisterTLSConfig`](https://godoc.org/github.com/go-sql-driver/mysql#RegisterTLSConfig).
##### `writeTimeout`
```
Type: duration
Default: 0
```
I/O write timeout. The value must be a decimal number with a unit suffix (*"ms"*, *"s"*, *"m"*, *"h"*), such as *"30s"*, *"0.5m"* or *"1m30s"*.
##### System Variables
Any other parameters are interpreted as system variables:
* `<boolean_var>=<value>`: `SET <boolean_var>=<value>`
* `<enum_var>=<value>`: `SET <enum_var>=<value>`
* `<string_var>=%27<value>%27`: `SET <string_var>='<value>'`
Rules:
* The values for string variables must be quoted with `'`.
* The values must also be [url.QueryEscape](http://golang.org/pkg/net/url/#QueryEscape)'ed!
(which implies values of string variables must be wrapped with `%27`).
Examples:
* `autocommit=1`: `SET autocommit=1`
* [`time_zone=%27Europe%2FParis%27`](https://dev.mysql.com/doc/refman/5.5/en/time-zone-support.html): `SET time_zone='Europe/Paris'`
* [`transaction_isolation=%27REPEATABLE-READ%27`](https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_transaction_isolation): `SET transaction_isolation='REPEATABLE-READ'`
#### Examples
```
user@unix(/path/to/socket)/dbname
```
```
root:pw@unix(/tmp/mysql.sock)/myDatabase?loc=Local
```
```
user:password@tcp(localhost:5555)/dbname?tls=skip-verify&autocommit=true
```
Treat warnings as errors by setting the system variable [`sql_mode`](https://dev.mysql.com/doc/refman/5.7/en/sql-mode.html):
```
user:password@/dbname?sql_mode=TRADITIONAL
```
TCP via IPv6:
```
user:password@tcp([de:ad:be:ef::ca:fe]:80)/dbname?timeout=90s&collation=utf8mb4_unicode_ci
```
TCP on a remote host, e.g. Amazon RDS:
```
id:password@tcp(your-amazonaws-uri.com:3306)/dbname
```
Google Cloud SQL on App Engine:
```
user:password@unix(/cloudsql/project-id:region-name:instance-name)/dbname
```
TCP using default port (3306) on localhost:
```
user:password@tcp/dbname?charset=utf8mb4,utf8&sys_var=esc%40ped
```
Use the default protocol (tcp) and host (localhost:3306):
```
user:password@/dbname
```
No Database preselected:
```
user:password@/
```
### Connection pool and timeouts
The connection pool is managed by Go's database/sql package. For details on how to configure the size of the pool and how long connections stay in the pool see `*DB.SetMaxOpenConns`, `*DB.SetMaxIdleConns`, and `*DB.SetConnMaxLifetime` in the [database/sql documentation](https://golang.org/pkg/database/sql/). The read, write, and dial timeouts for each individual connection are configured with the DSN parameters [`readTimeout`](#readtimeout), [`writeTimeout`](#writetimeout), and [`timeout`](#timeout), respectively.
## `ColumnType` Support
This driver supports the [`ColumnType` interface](https://golang.org/pkg/database/sql/#ColumnType) introduced in Go 1.8, with the exception of [`ColumnType.Length()`](https://golang.org/pkg/database/sql/#ColumnType.Length), which is currently not supported.
## `context.Context` Support
Go 1.8 added `database/sql` support for `context.Context`. This driver supports query timeouts and cancellation via contexts.
See [context support in the database/sql package](https://golang.org/doc/go1.8#database_sql) for more details.
### `LOAD DATA LOCAL INFILE` support
For this feature you need direct access to the package. Therefore you must change the import path (no `_`):
```go
import "github.com/go-sql-driver/mysql"
```
Files must be explicitly allowed by registering them with `mysql.RegisterLocalFile(filepath)` (recommended) or the allowlist check must be deactivated by using the DSN parameter `allowAllFiles=true` ([*Might be insecure!*](http://dev.mysql.com/doc/refman/5.7/en/load-data-local.html)).
To use a `io.Reader` a handler function must be registered with `mysql.RegisterReaderHandler(name, handler)` which returns a `io.Reader` or `io.ReadCloser`. The Reader is available with the filepath `Reader::<name>` then. Choose different names for different handlers and `DeregisterReaderHandler` when you don't need it anymore.
See the [godoc of Go-MySQL-Driver](https://godoc.org/github.com/go-sql-driver/mysql "golang mysql driver documentation") for details.
### `time.Time` support
The default internal output type of MySQL `DATE` and `DATETIME` values is `[]byte` which allows you to scan the value into a `[]byte`, `string` or `sql.RawBytes` variable in your program.
However, many want to scan MySQL `DATE` and `DATETIME` values into `time.Time` variables, which is the logical equivalent in Go to `DATE` and `DATETIME` in MySQL. You can do that by changing the internal output type from `[]byte` to `time.Time` with the DSN parameter `parseTime=true`. You can set the default [`time.Time` location](https://golang.org/pkg/time/#Location) with the `loc` DSN parameter.
**Caution:** As of Go 1.1, this makes `time.Time` the only variable type you can scan `DATE` and `DATETIME` values into. This breaks for example [`sql.RawBytes` support](https://github.com/go-sql-driver/mysql/wiki/Examples#rawbytes).
### Unicode support
Since version 1.5 Go-MySQL-Driver automatically uses the collation ` utf8mb4_general_ci` by default.
Other collations / charsets can be set using the [`collation`](#collation) DSN parameter.
Version 1.0 of the driver recommended adding `&charset=utf8` (alias for `SET NAMES utf8`) to the DSN to enable proper UTF-8 support. This is not necessary anymore. The [`collation`](#collation) parameter should be preferred to set another collation / charset than the default.
See http://dev.mysql.com/doc/refman/8.0/en/charset-unicode.html for more details on MySQL's Unicode support.
## Testing / Development
To run the driver tests you may need to adjust the configuration. See the [Testing Wiki-Page](https://github.com/go-sql-driver/mysql/wiki/Testing "Testing") for details.
Go-MySQL-Driver is not feature-complete yet. Your help is very appreciated.
If you want to contribute, you can work on an [open issue](https://github.com/go-sql-driver/mysql/issues?state=open) or review a [pull request](https://github.com/go-sql-driver/mysql/pulls).
See the [Contribution Guidelines](https://github.com/go-sql-driver/mysql/blob/master/.github/CONTRIBUTING.md) for details.
---------------------------------------
## License
Go-MySQL-Driver is licensed under the [Mozilla Public License Version 2.0](https://raw.github.com/go-sql-driver/mysql/master/LICENSE)
Mozilla summarizes the license scope as follows:
> MPL: The copyleft applies to any files containing MPLed code.
That means:
* You can **use** the **unchanged** source code both in private and commercially.
* When distributing, you **must publish** the source code of any **changed files** licensed under the MPL 2.0 under a) the MPL 2.0 itself or b) a compatible license (e.g. GPL 3.0 or Apache License 2.0).
* You **needn't publish** the source code of your library as long as the files licensed under the MPL 2.0 are **unchanged**.
Please read the [MPL 2.0 FAQ](https://www.mozilla.org/en-US/MPL/2.0/FAQ/) if you have further questions regarding the license.
You can read the full terms here: [LICENSE](https://raw.github.com/go-sql-driver/mysql/master/LICENSE).
![Go Gopher and MySQL Dolphin](https://raw.github.com/wiki/go-sql-driver/mysql/go-mysql-driver_m.jpg "Golang Gopher transporting the MySQL Dolphin in a wheelbarrow")

@ -1,425 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2018 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"crypto/rand"
"crypto/rsa"
"crypto/sha1"
"crypto/sha256"
"crypto/x509"
"encoding/pem"
"fmt"
"sync"
)
// server pub keys registry
var (
serverPubKeyLock sync.RWMutex
serverPubKeyRegistry map[string]*rsa.PublicKey
)
// RegisterServerPubKey registers a server RSA public key which can be used to
// send data in a secure manner to the server without receiving the public key
// in a potentially insecure way from the server first.
// Registered keys can afterwards be used adding serverPubKey=<name> to the DSN.
//
// Note: The provided rsa.PublicKey instance is exclusively owned by the driver
// after registering it and may not be modified.
//
// data, err := ioutil.ReadFile("mykey.pem")
// if err != nil {
// log.Fatal(err)
// }
//
// block, _ := pem.Decode(data)
// if block == nil || block.Type != "PUBLIC KEY" {
// log.Fatal("failed to decode PEM block containing public key")
// }
//
// pub, err := x509.ParsePKIXPublicKey(block.Bytes)
// if err != nil {
// log.Fatal(err)
// }
//
// if rsaPubKey, ok := pub.(*rsa.PublicKey); ok {
// mysql.RegisterServerPubKey("mykey", rsaPubKey)
// } else {
// log.Fatal("not a RSA public key")
// }
//
func RegisterServerPubKey(name string, pubKey *rsa.PublicKey) {
serverPubKeyLock.Lock()
if serverPubKeyRegistry == nil {
serverPubKeyRegistry = make(map[string]*rsa.PublicKey)
}
serverPubKeyRegistry[name] = pubKey
serverPubKeyLock.Unlock()
}
// DeregisterServerPubKey removes the public key registered with the given name.
func DeregisterServerPubKey(name string) {
serverPubKeyLock.Lock()
if serverPubKeyRegistry != nil {
delete(serverPubKeyRegistry, name)
}
serverPubKeyLock.Unlock()
}
func getServerPubKey(name string) (pubKey *rsa.PublicKey) {
serverPubKeyLock.RLock()
if v, ok := serverPubKeyRegistry[name]; ok {
pubKey = v
}
serverPubKeyLock.RUnlock()
return
}
// Hash password using pre 4.1 (old password) method
// https://github.com/atcurtis/mariadb/blob/master/mysys/my_rnd.c
type myRnd struct {
seed1, seed2 uint32
}
const myRndMaxVal = 0x3FFFFFFF
// Pseudo random number generator
func newMyRnd(seed1, seed2 uint32) *myRnd {
return &myRnd{
seed1: seed1 % myRndMaxVal,
seed2: seed2 % myRndMaxVal,
}
}
// Tested to be equivalent to MariaDB's floating point variant
// http://play.golang.org/p/QHvhd4qved
// http://play.golang.org/p/RG0q4ElWDx
func (r *myRnd) NextByte() byte {
r.seed1 = (r.seed1*3 + r.seed2) % myRndMaxVal
r.seed2 = (r.seed1 + r.seed2 + 33) % myRndMaxVal
return byte(uint64(r.seed1) * 31 / myRndMaxVal)
}
// Generate binary hash from byte string using insecure pre 4.1 method
func pwHash(password []byte) (result [2]uint32) {
var add uint32 = 7
var tmp uint32
result[0] = 1345345333
result[1] = 0x12345671
for _, c := range password {
// skip spaces and tabs in password
if c == ' ' || c == '\t' {
continue
}
tmp = uint32(c)
result[0] ^= (((result[0] & 63) + add) * tmp) + (result[0] << 8)
result[1] += (result[1] << 8) ^ result[0]
add += tmp
}
// Remove sign bit (1<<31)-1)
result[0] &= 0x7FFFFFFF
result[1] &= 0x7FFFFFFF
return
}
// Hash password using insecure pre 4.1 method
func scrambleOldPassword(scramble []byte, password string) []byte {
scramble = scramble[:8]
hashPw := pwHash([]byte(password))
hashSc := pwHash(scramble)
r := newMyRnd(hashPw[0]^hashSc[0], hashPw[1]^hashSc[1])
var out [8]byte
for i := range out {
out[i] = r.NextByte() + 64
}
mask := r.NextByte()
for i := range out {
out[i] ^= mask
}
return out[:]
}
// Hash password using 4.1+ method (SHA1)
func scramblePassword(scramble []byte, password string) []byte {
if len(password) == 0 {
return nil
}
// stage1Hash = SHA1(password)
crypt := sha1.New()
crypt.Write([]byte(password))
stage1 := crypt.Sum(nil)
// scrambleHash = SHA1(scramble + SHA1(stage1Hash))
// inner Hash
crypt.Reset()
crypt.Write(stage1)
hash := crypt.Sum(nil)
// outer Hash
crypt.Reset()
crypt.Write(scramble)
crypt.Write(hash)
scramble = crypt.Sum(nil)
// token = scrambleHash XOR stage1Hash
for i := range scramble {
scramble[i] ^= stage1[i]
}
return scramble
}
// Hash password using MySQL 8+ method (SHA256)
func scrambleSHA256Password(scramble []byte, password string) []byte {
if len(password) == 0 {
return nil
}
// XOR(SHA256(password), SHA256(SHA256(SHA256(password)), scramble))
crypt := sha256.New()
crypt.Write([]byte(password))
message1 := crypt.Sum(nil)
crypt.Reset()
crypt.Write(message1)
message1Hash := crypt.Sum(nil)
crypt.Reset()
crypt.Write(message1Hash)
crypt.Write(scramble)
message2 := crypt.Sum(nil)
for i := range message1 {
message1[i] ^= message2[i]
}
return message1
}
func encryptPassword(password string, seed []byte, pub *rsa.PublicKey) ([]byte, error) {
plain := make([]byte, len(password)+1)
copy(plain, password)
for i := range plain {
j := i % len(seed)
plain[i] ^= seed[j]
}
sha1 := sha1.New()
return rsa.EncryptOAEP(sha1, rand.Reader, pub, plain, nil)
}
func (mc *mysqlConn) sendEncryptedPassword(seed []byte, pub *rsa.PublicKey) error {
enc, err := encryptPassword(mc.cfg.Passwd, seed, pub)
if err != nil {
return err
}
return mc.writeAuthSwitchPacket(enc)
}
func (mc *mysqlConn) auth(authData []byte, plugin string) ([]byte, error) {
switch plugin {
case "caching_sha2_password":
authResp := scrambleSHA256Password(authData, mc.cfg.Passwd)
return authResp, nil
case "mysql_old_password":
if !mc.cfg.AllowOldPasswords {
return nil, ErrOldPassword
}
if len(mc.cfg.Passwd) == 0 {
return nil, nil
}
// Note: there are edge cases where this should work but doesn't;
// this is currently "wontfix":
// https://github.com/go-sql-driver/mysql/issues/184
authResp := append(scrambleOldPassword(authData[:8], mc.cfg.Passwd), 0)
return authResp, nil
case "mysql_clear_password":
if !mc.cfg.AllowCleartextPasswords {
return nil, ErrCleartextPassword
}
// http://dev.mysql.com/doc/refman/5.7/en/cleartext-authentication-plugin.html
// http://dev.mysql.com/doc/refman/5.7/en/pam-authentication-plugin.html
return append([]byte(mc.cfg.Passwd), 0), nil
case "mysql_native_password":
if !mc.cfg.AllowNativePasswords {
return nil, ErrNativePassword
}
// https://dev.mysql.com/doc/internals/en/secure-password-authentication.html
// Native password authentication only need and will need 20-byte challenge.
authResp := scramblePassword(authData[:20], mc.cfg.Passwd)
return authResp, nil
case "sha256_password":
if len(mc.cfg.Passwd) == 0 {
return []byte{0}, nil
}
if mc.cfg.tls != nil || mc.cfg.Net == "unix" {
// write cleartext auth packet
return append([]byte(mc.cfg.Passwd), 0), nil
}
pubKey := mc.cfg.pubKey
if pubKey == nil {
// request public key from server
return []byte{1}, nil
}
// encrypted password
enc, err := encryptPassword(mc.cfg.Passwd, authData, pubKey)
return enc, err
default:
errLog.Print("unknown auth plugin:", plugin)
return nil, ErrUnknownPlugin
}
}
func (mc *mysqlConn) handleAuthResult(oldAuthData []byte, plugin string) error {
// Read Result Packet
authData, newPlugin, err := mc.readAuthResult()
if err != nil {
return err
}
// handle auth plugin switch, if requested
if newPlugin != "" {
// If CLIENT_PLUGIN_AUTH capability is not supported, no new cipher is
// sent and we have to keep using the cipher sent in the init packet.
if authData == nil {
authData = oldAuthData
} else {
// copy data from read buffer to owned slice
copy(oldAuthData, authData)
}
plugin = newPlugin
authResp, err := mc.auth(authData, plugin)
if err != nil {
return err
}
if err = mc.writeAuthSwitchPacket(authResp); err != nil {
return err
}
// Read Result Packet
authData, newPlugin, err = mc.readAuthResult()
if err != nil {
return err
}
// Do not allow to change the auth plugin more than once
if newPlugin != "" {
return ErrMalformPkt
}
}
switch plugin {
// https://insidemysql.com/preparing-your-community-connector-for-mysql-8-part-2-sha256/
case "caching_sha2_password":
switch len(authData) {
case 0:
return nil // auth successful
case 1:
switch authData[0] {
case cachingSha2PasswordFastAuthSuccess:
if err = mc.readResultOK(); err == nil {
return nil // auth successful
}
case cachingSha2PasswordPerformFullAuthentication:
if mc.cfg.tls != nil || mc.cfg.Net == "unix" {
// write cleartext auth packet
err = mc.writeAuthSwitchPacket(append([]byte(mc.cfg.Passwd), 0))
if err != nil {
return err
}
} else {
pubKey := mc.cfg.pubKey
if pubKey == nil {
// request public key from server
data, err := mc.buf.takeSmallBuffer(4 + 1)
if err != nil {
return err
}
data[4] = cachingSha2PasswordRequestPublicKey
mc.writePacket(data)
// parse public key
if data, err = mc.readPacket(); err != nil {
return err
}
block, rest := pem.Decode(data[1:])
if block == nil {
return fmt.Errorf("No Pem data found, data: %s", rest)
}
pkix, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return err
}
pubKey = pkix.(*rsa.PublicKey)
}
// send encrypted password
err = mc.sendEncryptedPassword(oldAuthData, pubKey)
if err != nil {
return err
}
}
return mc.readResultOK()
default:
return ErrMalformPkt
}
default:
return ErrMalformPkt
}
case "sha256_password":
switch len(authData) {
case 0:
return nil // auth successful
default:
block, _ := pem.Decode(authData)
pub, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return err
}
// send encrypted password
err = mc.sendEncryptedPassword(oldAuthData, pub.(*rsa.PublicKey))
if err != nil {
return err
}
return mc.readResultOK()
}
default:
return nil // auth successful
}
return err
}

@ -1,182 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"io"
"net"
"time"
)
const defaultBufSize = 4096
const maxCachedBufSize = 256 * 1024
// A buffer which is used for both reading and writing.
// This is possible since communication on each connection is synchronous.
// In other words, we can't write and read simultaneously on the same connection.
// The buffer is similar to bufio.Reader / Writer but zero-copy-ish
// Also highly optimized for this particular use case.
// This buffer is backed by two byte slices in a double-buffering scheme
type buffer struct {
buf []byte // buf is a byte buffer who's length and capacity are equal.
nc net.Conn
idx int
length int
timeout time.Duration
dbuf [2][]byte // dbuf is an array with the two byte slices that back this buffer
flipcnt uint // flipccnt is the current buffer counter for double-buffering
}
// newBuffer allocates and returns a new buffer.
func newBuffer(nc net.Conn) buffer {
fg := make([]byte, defaultBufSize)
return buffer{
buf: fg,
nc: nc,
dbuf: [2][]byte{fg, nil},
}
}
// flip replaces the active buffer with the background buffer
// this is a delayed flip that simply increases the buffer counter;
// the actual flip will be performed the next time we call `buffer.fill`
func (b *buffer) flip() {
b.flipcnt += 1
}
// fill reads into the buffer until at least _need_ bytes are in it
func (b *buffer) fill(need int) error {
n := b.length
// fill data into its double-buffering target: if we've called
// flip on this buffer, we'll be copying to the background buffer,
// and then filling it with network data; otherwise we'll just move
// the contents of the current buffer to the front before filling it
dest := b.dbuf[b.flipcnt&1]
// grow buffer if necessary to fit the whole packet.
if need > len(dest) {
// Round up to the next multiple of the default size
dest = make([]byte, ((need/defaultBufSize)+1)*defaultBufSize)
// if the allocated buffer is not too large, move it to backing storage
// to prevent extra allocations on applications that perform large reads
if len(dest) <= maxCachedBufSize {
b.dbuf[b.flipcnt&1] = dest
}
}
// if we're filling the fg buffer, move the existing data to the start of it.
// if we're filling the bg buffer, copy over the data
if n > 0 {
copy(dest[:n], b.buf[b.idx:])
}
b.buf = dest
b.idx = 0
for {
if b.timeout > 0 {
if err := b.nc.SetReadDeadline(time.Now().Add(b.timeout)); err != nil {
return err
}
}
nn, err := b.nc.Read(b.buf[n:])
n += nn
switch err {
case nil:
if n < need {
continue
}
b.length = n
return nil
case io.EOF:
if n >= need {
b.length = n
return nil
}
return io.ErrUnexpectedEOF
default:
return err
}
}
}
// returns next N bytes from buffer.
// The returned slice is only guaranteed to be valid until the next read
func (b *buffer) readNext(need int) ([]byte, error) {
if b.length < need {
// refill
if err := b.fill(need); err != nil {
return nil, err
}
}
offset := b.idx
b.idx += need
b.length -= need
return b.buf[offset:b.idx], nil
}
// takeBuffer returns a buffer with the requested size.
// If possible, a slice from the existing buffer is returned.
// Otherwise a bigger buffer is made.
// Only one buffer (total) can be used at a time.
func (b *buffer) takeBuffer(length int) ([]byte, error) {
if b.length > 0 {
return nil, ErrBusyBuffer
}
// test (cheap) general case first
if length <= cap(b.buf) {
return b.buf[:length], nil
}
if length < maxPacketSize {
b.buf = make([]byte, length)
return b.buf, nil
}
// buffer is larger than we want to store.
return make([]byte, length), nil
}
// takeSmallBuffer is shortcut which can be used if length is
// known to be smaller than defaultBufSize.
// Only one buffer (total) can be used at a time.
func (b *buffer) takeSmallBuffer(length int) ([]byte, error) {
if b.length > 0 {
return nil, ErrBusyBuffer
}
return b.buf[:length], nil
}
// takeCompleteBuffer returns the complete existing buffer.
// This can be used if the necessary buffer size is unknown.
// cap and len of the returned buffer will be equal.
// Only one buffer (total) can be used at a time.
func (b *buffer) takeCompleteBuffer() ([]byte, error) {
if b.length > 0 {
return nil, ErrBusyBuffer
}
return b.buf, nil
}
// store stores buf, an updated buffer, if its suitable to do so.
func (b *buffer) store(buf []byte) error {
if b.length > 0 {
return ErrBusyBuffer
} else if cap(buf) <= maxPacketSize && cap(buf) > cap(b.buf) {
b.buf = buf[:cap(buf)]
}
return nil
}

@ -1,265 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2014 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
const defaultCollation = "utf8mb4_general_ci"
const binaryCollation = "binary"
// A list of available collations mapped to the internal ID.
// To update this map use the following MySQL query:
// SELECT COLLATION_NAME, ID FROM information_schema.COLLATIONS WHERE ID<256 ORDER BY ID
//
// Handshake packet have only 1 byte for collation_id. So we can't use collations with ID > 255.
//
// ucs2, utf16, and utf32 can't be used for connection charset.
// https://dev.mysql.com/doc/refman/5.7/en/charset-connection.html#charset-connection-impermissible-client-charset
// They are commented out to reduce this map.
var collations = map[string]byte{
"big5_chinese_ci": 1,
"latin2_czech_cs": 2,
"dec8_swedish_ci": 3,
"cp850_general_ci": 4,
"latin1_german1_ci": 5,
"hp8_english_ci": 6,
"koi8r_general_ci": 7,
"latin1_swedish_ci": 8,
"latin2_general_ci": 9,
"swe7_swedish_ci": 10,
"ascii_general_ci": 11,
"ujis_japanese_ci": 12,
"sjis_japanese_ci": 13,
"cp1251_bulgarian_ci": 14,
"latin1_danish_ci": 15,
"hebrew_general_ci": 16,
"tis620_thai_ci": 18,
"euckr_korean_ci": 19,
"latin7_estonian_cs": 20,
"latin2_hungarian_ci": 21,
"koi8u_general_ci": 22,
"cp1251_ukrainian_ci": 23,
"gb2312_chinese_ci": 24,
"greek_general_ci": 25,
"cp1250_general_ci": 26,
"latin2_croatian_ci": 27,
"gbk_chinese_ci": 28,
"cp1257_lithuanian_ci": 29,
"latin5_turkish_ci": 30,
"latin1_german2_ci": 31,
"armscii8_general_ci": 32,
"utf8_general_ci": 33,
"cp1250_czech_cs": 34,
//"ucs2_general_ci": 35,
"cp866_general_ci": 36,
"keybcs2_general_ci": 37,
"macce_general_ci": 38,
"macroman_general_ci": 39,
"cp852_general_ci": 40,
"latin7_general_ci": 41,
"latin7_general_cs": 42,
"macce_bin": 43,
"cp1250_croatian_ci": 44,
"utf8mb4_general_ci": 45,
"utf8mb4_bin": 46,
"latin1_bin": 47,
"latin1_general_ci": 48,
"latin1_general_cs": 49,
"cp1251_bin": 50,
"cp1251_general_ci": 51,
"cp1251_general_cs": 52,
"macroman_bin": 53,
//"utf16_general_ci": 54,
//"utf16_bin": 55,
//"utf16le_general_ci": 56,
"cp1256_general_ci": 57,
"cp1257_bin": 58,
"cp1257_general_ci": 59,
//"utf32_general_ci": 60,
//"utf32_bin": 61,
//"utf16le_bin": 62,
"binary": 63,
"armscii8_bin": 64,
"ascii_bin": 65,
"cp1250_bin": 66,
"cp1256_bin": 67,
"cp866_bin": 68,
"dec8_bin": 69,
"greek_bin": 70,
"hebrew_bin": 71,
"hp8_bin": 72,
"keybcs2_bin": 73,
"koi8r_bin": 74,
"koi8u_bin": 75,
"utf8_tolower_ci": 76,
"latin2_bin": 77,
"latin5_bin": 78,
"latin7_bin": 79,
"cp850_bin": 80,
"cp852_bin": 81,
"swe7_bin": 82,
"utf8_bin": 83,
"big5_bin": 84,
"euckr_bin": 85,
"gb2312_bin": 86,
"gbk_bin": 87,
"sjis_bin": 88,
"tis620_bin": 89,
//"ucs2_bin": 90,
"ujis_bin": 91,
"geostd8_general_ci": 92,
"geostd8_bin": 93,
"latin1_spanish_ci": 94,
"cp932_japanese_ci": 95,
"cp932_bin": 96,
"eucjpms_japanese_ci": 97,
"eucjpms_bin": 98,
"cp1250_polish_ci": 99,
//"utf16_unicode_ci": 101,
//"utf16_icelandic_ci": 102,
//"utf16_latvian_ci": 103,
//"utf16_romanian_ci": 104,
//"utf16_slovenian_ci": 105,
//"utf16_polish_ci": 106,
//"utf16_estonian_ci": 107,
//"utf16_spanish_ci": 108,
//"utf16_swedish_ci": 109,
//"utf16_turkish_ci": 110,
//"utf16_czech_ci": 111,
//"utf16_danish_ci": 112,
//"utf16_lithuanian_ci": 113,
//"utf16_slovak_ci": 114,
//"utf16_spanish2_ci": 115,
//"utf16_roman_ci": 116,
//"utf16_persian_ci": 117,
//"utf16_esperanto_ci": 118,
//"utf16_hungarian_ci": 119,
//"utf16_sinhala_ci": 120,
//"utf16_german2_ci": 121,
//"utf16_croatian_ci": 122,
//"utf16_unicode_520_ci": 123,
//"utf16_vietnamese_ci": 124,
//"ucs2_unicode_ci": 128,
//"ucs2_icelandic_ci": 129,
//"ucs2_latvian_ci": 130,
//"ucs2_romanian_ci": 131,
//"ucs2_slovenian_ci": 132,
//"ucs2_polish_ci": 133,
//"ucs2_estonian_ci": 134,
//"ucs2_spanish_ci": 135,
//"ucs2_swedish_ci": 136,
//"ucs2_turkish_ci": 137,
//"ucs2_czech_ci": 138,
//"ucs2_danish_ci": 139,
//"ucs2_lithuanian_ci": 140,
//"ucs2_slovak_ci": 141,
//"ucs2_spanish2_ci": 142,
//"ucs2_roman_ci": 143,
//"ucs2_persian_ci": 144,
//"ucs2_esperanto_ci": 145,
//"ucs2_hungarian_ci": 146,
//"ucs2_sinhala_ci": 147,
//"ucs2_german2_ci": 148,
//"ucs2_croatian_ci": 149,
//"ucs2_unicode_520_ci": 150,
//"ucs2_vietnamese_ci": 151,
//"ucs2_general_mysql500_ci": 159,
//"utf32_unicode_ci": 160,
//"utf32_icelandic_ci": 161,
//"utf32_latvian_ci": 162,
//"utf32_romanian_ci": 163,
//"utf32_slovenian_ci": 164,
//"utf32_polish_ci": 165,
//"utf32_estonian_ci": 166,
//"utf32_spanish_ci": 167,
//"utf32_swedish_ci": 168,
//"utf32_turkish_ci": 169,
//"utf32_czech_ci": 170,
//"utf32_danish_ci": 171,
//"utf32_lithuanian_ci": 172,
//"utf32_slovak_ci": 173,
//"utf32_spanish2_ci": 174,
//"utf32_roman_ci": 175,
//"utf32_persian_ci": 176,
//"utf32_esperanto_ci": 177,
//"utf32_hungarian_ci": 178,
//"utf32_sinhala_ci": 179,
//"utf32_german2_ci": 180,
//"utf32_croatian_ci": 181,
//"utf32_unicode_520_ci": 182,
//"utf32_vietnamese_ci": 183,
"utf8_unicode_ci": 192,
"utf8_icelandic_ci": 193,
"utf8_latvian_ci": 194,
"utf8_romanian_ci": 195,
"utf8_slovenian_ci": 196,
"utf8_polish_ci": 197,
"utf8_estonian_ci": 198,
"utf8_spanish_ci": 199,
"utf8_swedish_ci": 200,
"utf8_turkish_ci": 201,
"utf8_czech_ci": 202,
"utf8_danish_ci": 203,
"utf8_lithuanian_ci": 204,
"utf8_slovak_ci": 205,
"utf8_spanish2_ci": 206,
"utf8_roman_ci": 207,
"utf8_persian_ci": 208,
"utf8_esperanto_ci": 209,
"utf8_hungarian_ci": 210,
"utf8_sinhala_ci": 211,
"utf8_german2_ci": 212,
"utf8_croatian_ci": 213,
"utf8_unicode_520_ci": 214,
"utf8_vietnamese_ci": 215,
"utf8_general_mysql500_ci": 223,
"utf8mb4_unicode_ci": 224,
"utf8mb4_icelandic_ci": 225,
"utf8mb4_latvian_ci": 226,
"utf8mb4_romanian_ci": 227,
"utf8mb4_slovenian_ci": 228,
"utf8mb4_polish_ci": 229,
"utf8mb4_estonian_ci": 230,
"utf8mb4_spanish_ci": 231,
"utf8mb4_swedish_ci": 232,
"utf8mb4_turkish_ci": 233,
"utf8mb4_czech_ci": 234,
"utf8mb4_danish_ci": 235,
"utf8mb4_lithuanian_ci": 236,
"utf8mb4_slovak_ci": 237,
"utf8mb4_spanish2_ci": 238,
"utf8mb4_roman_ci": 239,
"utf8mb4_persian_ci": 240,
"utf8mb4_esperanto_ci": 241,
"utf8mb4_hungarian_ci": 242,
"utf8mb4_sinhala_ci": 243,
"utf8mb4_german2_ci": 244,
"utf8mb4_croatian_ci": 245,
"utf8mb4_unicode_520_ci": 246,
"utf8mb4_vietnamese_ci": 247,
"gb18030_chinese_ci": 248,
"gb18030_bin": 249,
"gb18030_unicode_520_ci": 250,
"utf8mb4_0900_ai_ci": 255,
}
// A denylist of collations which is unsafe to interpolate parameters.
// These multibyte encodings may contains 0x5c (`\`) in their trailing bytes.
var unsafeCollations = map[string]bool{
"big5_chinese_ci": true,
"sjis_japanese_ci": true,
"gbk_chinese_ci": true,
"big5_bin": true,
"gb2312_bin": true,
"gbk_bin": true,
"sjis_bin": true,
"cp932_japanese_ci": true,
"cp932_bin": true,
"gb18030_chinese_ci": true,
"gb18030_bin": true,
"gb18030_unicode_520_ci": true,
}

@ -1,54 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2019 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build linux darwin dragonfly freebsd netbsd openbsd solaris illumos
package mysql
import (
"errors"
"io"
"net"
"syscall"
)
var errUnexpectedRead = errors.New("unexpected read from socket")
func connCheck(conn net.Conn) error {
var sysErr error
sysConn, ok := conn.(syscall.Conn)
if !ok {
return nil
}
rawConn, err := sysConn.SyscallConn()
if err != nil {
return err
}
err = rawConn.Read(func(fd uintptr) bool {
var buf [1]byte
n, err := syscall.Read(int(fd), buf[:])
switch {
case n == 0 && err == nil:
sysErr = io.EOF
case n > 0:
sysErr = errUnexpectedRead
case err == syscall.EAGAIN || err == syscall.EWOULDBLOCK:
sysErr = nil
default:
sysErr = err
}
return true
})
if err != nil {
return err
}
return sysErr
}

@ -1,17 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2019 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build !linux,!darwin,!dragonfly,!freebsd,!netbsd,!openbsd,!solaris,!illumos
package mysql
import "net"
func connCheck(conn net.Conn) error {
return nil
}

@ -1,650 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"context"
"database/sql"
"database/sql/driver"
"encoding/json"
"io"
"net"
"strconv"
"strings"
"time"
)
type mysqlConn struct {
buf buffer
netConn net.Conn
rawConn net.Conn // underlying connection when netConn is TLS connection.
affectedRows uint64
insertId uint64
cfg *Config
maxAllowedPacket int
maxWriteSize int
writeTimeout time.Duration
flags clientFlag
status statusFlag
sequence uint8
parseTime bool
reset bool // set when the Go SQL package calls ResetSession
// for context support (Go 1.8+)
watching bool
watcher chan<- context.Context
closech chan struct{}
finished chan<- struct{}
canceled atomicError // set non-nil if conn is canceled
closed atomicBool // set when conn is closed, before closech is closed
}
// Handles parameters set in DSN after the connection is established
func (mc *mysqlConn) handleParams() (err error) {
var cmdSet strings.Builder
for param, val := range mc.cfg.Params {
switch param {
// Charset: character_set_connection, character_set_client, character_set_results
case "charset":
charsets := strings.Split(val, ",")
for i := range charsets {
// ignore errors here - a charset may not exist
err = mc.exec("SET NAMES " + charsets[i])
if err == nil {
break
}
}
if err != nil {
return
}
// Other system vars accumulated in a single SET command
default:
if cmdSet.Len() == 0 {
// Heuristic: 29 chars for each other key=value to reduce reallocations
cmdSet.Grow(4 + len(param) + 1 + len(val) + 30*(len(mc.cfg.Params)-1))
cmdSet.WriteString("SET ")
} else {
cmdSet.WriteByte(',')
}
cmdSet.WriteString(param)
cmdSet.WriteByte('=')
cmdSet.WriteString(val)
}
}
if cmdSet.Len() > 0 {
err = mc.exec(cmdSet.String())
if err != nil {
return
}
}
return
}
func (mc *mysqlConn) markBadConn(err error) error {
if mc == nil {
return err
}
if err != errBadConnNoWrite {
return err
}
return driver.ErrBadConn
}
func (mc *mysqlConn) Begin() (driver.Tx, error) {
return mc.begin(false)
}
func (mc *mysqlConn) begin(readOnly bool) (driver.Tx, error) {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
var q string
if readOnly {
q = "START TRANSACTION READ ONLY"
} else {
q = "START TRANSACTION"
}
err := mc.exec(q)
if err == nil {
return &mysqlTx{mc}, err
}
return nil, mc.markBadConn(err)
}
func (mc *mysqlConn) Close() (err error) {
// Makes Close idempotent
if !mc.closed.IsSet() {
err = mc.writeCommandPacket(comQuit)
}
mc.cleanup()
return
}
// Closes the network connection and unsets internal variables. Do not call this
// function after successfully authentication, call Close instead. This function
// is called before auth or on auth failure because MySQL will have already
// closed the network connection.
func (mc *mysqlConn) cleanup() {
if !mc.closed.TrySet(true) {
return
}
// Makes cleanup idempotent
close(mc.closech)
if mc.netConn == nil {
return
}
if err := mc.netConn.Close(); err != nil {
errLog.Print(err)
}
}
func (mc *mysqlConn) error() error {
if mc.closed.IsSet() {
if err := mc.canceled.Value(); err != nil {
return err
}
return ErrInvalidConn
}
return nil
}
func (mc *mysqlConn) Prepare(query string) (driver.Stmt, error) {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
// Send command
err := mc.writeCommandPacketStr(comStmtPrepare, query)
if err != nil {
// STMT_PREPARE is safe to retry. So we can return ErrBadConn here.
errLog.Print(err)
return nil, driver.ErrBadConn
}
stmt := &mysqlStmt{
mc: mc,
}
// Read Result
columnCount, err := stmt.readPrepareResultPacket()
if err == nil {
if stmt.paramCount > 0 {
if err = mc.readUntilEOF(); err != nil {
return nil, err
}
}
if columnCount > 0 {
err = mc.readUntilEOF()
}
}
return stmt, err
}
func (mc *mysqlConn) interpolateParams(query string, args []driver.Value) (string, error) {
// Number of ? should be same to len(args)
if strings.Count(query, "?") != len(args) {
return "", driver.ErrSkip
}
buf, err := mc.buf.takeCompleteBuffer()
if err != nil {
// can not take the buffer. Something must be wrong with the connection
errLog.Print(err)
return "", ErrInvalidConn
}
buf = buf[:0]
argPos := 0
for i := 0; i < len(query); i++ {
q := strings.IndexByte(query[i:], '?')
if q == -1 {
buf = append(buf, query[i:]...)
break
}
buf = append(buf, query[i:i+q]...)
i += q
arg := args[argPos]
argPos++
if arg == nil {
buf = append(buf, "NULL"...)
continue
}
switch v := arg.(type) {
case int64:
buf = strconv.AppendInt(buf, v, 10)
case uint64:
// Handle uint64 explicitly because our custom ConvertValue emits unsigned values
buf = strconv.AppendUint(buf, v, 10)
case float64:
buf = strconv.AppendFloat(buf, v, 'g', -1, 64)
case bool:
if v {
buf = append(buf, '1')
} else {
buf = append(buf, '0')
}
case time.Time:
if v.IsZero() {
buf = append(buf, "'0000-00-00'"...)
} else {
buf = append(buf, '\'')
buf, err = appendDateTime(buf, v.In(mc.cfg.Loc))
if err != nil {
return "", err
}
buf = append(buf, '\'')
}
case json.RawMessage:
buf = append(buf, '\'')
if mc.status&statusNoBackslashEscapes == 0 {
buf = escapeBytesBackslash(buf, v)
} else {
buf = escapeBytesQuotes(buf, v)
}
buf = append(buf, '\'')
case []byte:
if v == nil {
buf = append(buf, "NULL"...)
} else {
buf = append(buf, "_binary'"...)
if mc.status&statusNoBackslashEscapes == 0 {
buf = escapeBytesBackslash(buf, v)
} else {
buf = escapeBytesQuotes(buf, v)
}
buf = append(buf, '\'')
}
case string:
buf = append(buf, '\'')
if mc.status&statusNoBackslashEscapes == 0 {
buf = escapeStringBackslash(buf, v)
} else {
buf = escapeStringQuotes(buf, v)
}
buf = append(buf, '\'')
default:
return "", driver.ErrSkip
}
if len(buf)+4 > mc.maxAllowedPacket {
return "", driver.ErrSkip
}
}
if argPos != len(args) {
return "", driver.ErrSkip
}
return string(buf), nil
}
func (mc *mysqlConn) Exec(query string, args []driver.Value) (driver.Result, error) {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
if len(args) != 0 {
if !mc.cfg.InterpolateParams {
return nil, driver.ErrSkip
}
// try to interpolate the parameters to save extra roundtrips for preparing and closing a statement
prepared, err := mc.interpolateParams(query, args)
if err != nil {
return nil, err
}
query = prepared
}
mc.affectedRows = 0
mc.insertId = 0
err := mc.exec(query)
if err == nil {
return &mysqlResult{
affectedRows: int64(mc.affectedRows),
insertId: int64(mc.insertId),
}, err
}
return nil, mc.markBadConn(err)
}
// Internal function to execute commands
func (mc *mysqlConn) exec(query string) error {
// Send command
if err := mc.writeCommandPacketStr(comQuery, query); err != nil {
return mc.markBadConn(err)
}
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err != nil {
return err
}
if resLen > 0 {
// columns
if err := mc.readUntilEOF(); err != nil {
return err
}
// rows
if err := mc.readUntilEOF(); err != nil {
return err
}
}
return mc.discardResults()
}
func (mc *mysqlConn) Query(query string, args []driver.Value) (driver.Rows, error) {
return mc.query(query, args)
}
func (mc *mysqlConn) query(query string, args []driver.Value) (*textRows, error) {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
if len(args) != 0 {
if !mc.cfg.InterpolateParams {
return nil, driver.ErrSkip
}
// try client-side prepare to reduce roundtrip
prepared, err := mc.interpolateParams(query, args)
if err != nil {
return nil, err
}
query = prepared
}
// Send command
err := mc.writeCommandPacketStr(comQuery, query)
if err == nil {
// Read Result
var resLen int
resLen, err = mc.readResultSetHeaderPacket()
if err == nil {
rows := new(textRows)
rows.mc = mc
if resLen == 0 {
rows.rs.done = true
switch err := rows.NextResultSet(); err {
case nil, io.EOF:
return rows, nil
default:
return nil, err
}
}
// Columns
rows.rs.columns, err = mc.readColumns(resLen)
return rows, err
}
}
return nil, mc.markBadConn(err)
}
// Gets the value of the given MySQL System Variable
// The returned byte slice is only valid until the next read
func (mc *mysqlConn) getSystemVar(name string) ([]byte, error) {
// Send command
if err := mc.writeCommandPacketStr(comQuery, "SELECT @@"+name); err != nil {
return nil, err
}
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err == nil {
rows := new(textRows)
rows.mc = mc
rows.rs.columns = []mysqlField{{fieldType: fieldTypeVarChar}}
if resLen > 0 {
// Columns
if err := mc.readUntilEOF(); err != nil {
return nil, err
}
}
dest := make([]driver.Value, resLen)
if err = rows.readRow(dest); err == nil {
return dest[0].([]byte), mc.readUntilEOF()
}
}
return nil, err
}
// finish is called when the query has canceled.
func (mc *mysqlConn) cancel(err error) {
mc.canceled.Set(err)
mc.cleanup()
}
// finish is called when the query has succeeded.
func (mc *mysqlConn) finish() {
if !mc.watching || mc.finished == nil {
return
}
select {
case mc.finished <- struct{}{}:
mc.watching = false
case <-mc.closech:
}
}
// Ping implements driver.Pinger interface
func (mc *mysqlConn) Ping(ctx context.Context) (err error) {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return driver.ErrBadConn
}
if err = mc.watchCancel(ctx); err != nil {
return
}
defer mc.finish()
if err = mc.writeCommandPacket(comPing); err != nil {
return mc.markBadConn(err)
}
return mc.readResultOK()
}
// BeginTx implements driver.ConnBeginTx interface
func (mc *mysqlConn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
if mc.closed.IsSet() {
return nil, driver.ErrBadConn
}
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
defer mc.finish()
if sql.IsolationLevel(opts.Isolation) != sql.LevelDefault {
level, err := mapIsolationLevel(opts.Isolation)
if err != nil {
return nil, err
}
err = mc.exec("SET TRANSACTION ISOLATION LEVEL " + level)
if err != nil {
return nil, err
}
}
return mc.begin(opts.ReadOnly)
}
func (mc *mysqlConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
rows, err := mc.query(query, dargs)
if err != nil {
mc.finish()
return nil, err
}
rows.finish = mc.finish
return rows, err
}
func (mc *mysqlConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
defer mc.finish()
return mc.Exec(query, dargs)
}
func (mc *mysqlConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
stmt, err := mc.Prepare(query)
mc.finish()
if err != nil {
return nil, err
}
select {
default:
case <-ctx.Done():
stmt.Close()
return nil, ctx.Err()
}
return stmt, nil
}
func (stmt *mysqlStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := stmt.mc.watchCancel(ctx); err != nil {
return nil, err
}
rows, err := stmt.query(dargs)
if err != nil {
stmt.mc.finish()
return nil, err
}
rows.finish = stmt.mc.finish
return rows, err
}
func (stmt *mysqlStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := stmt.mc.watchCancel(ctx); err != nil {
return nil, err
}
defer stmt.mc.finish()
return stmt.Exec(dargs)
}
func (mc *mysqlConn) watchCancel(ctx context.Context) error {
if mc.watching {
// Reach here if canceled,
// so the connection is already invalid
mc.cleanup()
return nil
}
// When ctx is already cancelled, don't watch it.
if err := ctx.Err(); err != nil {
return err
}
// When ctx is not cancellable, don't watch it.
if ctx.Done() == nil {
return nil
}
// When watcher is not alive, can't watch it.
if mc.watcher == nil {
return nil
}
mc.watching = true
mc.watcher <- ctx
return nil
}
func (mc *mysqlConn) startWatcher() {
watcher := make(chan context.Context, 1)
mc.watcher = watcher
finished := make(chan struct{})
mc.finished = finished
go func() {
for {
var ctx context.Context
select {
case ctx = <-watcher:
case <-mc.closech:
return
}
select {
case <-ctx.Done():
mc.cancel(ctx.Err())
case <-finished:
case <-mc.closech:
return
}
}
}()
}
func (mc *mysqlConn) CheckNamedValue(nv *driver.NamedValue) (err error) {
nv.Value, err = converter{}.ConvertValue(nv.Value)
return
}
// ResetSession implements driver.SessionResetter.
// (From Go 1.10)
func (mc *mysqlConn) ResetSession(ctx context.Context) error {
if mc.closed.IsSet() {
return driver.ErrBadConn
}
mc.reset = true
return nil
}
// IsValid implements driver.Validator interface
// (From Go 1.15)
func (mc *mysqlConn) IsValid() bool {
return !mc.closed.IsSet()
}

@ -1,146 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2018 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"context"
"database/sql/driver"
"net"
)
type connector struct {
cfg *Config // immutable private copy.
}
// Connect implements driver.Connector interface.
// Connect returns a connection to the database.
func (c *connector) Connect(ctx context.Context) (driver.Conn, error) {
var err error
// New mysqlConn
mc := &mysqlConn{
maxAllowedPacket: maxPacketSize,
maxWriteSize: maxPacketSize - 1,
closech: make(chan struct{}),
cfg: c.cfg,
}
mc.parseTime = mc.cfg.ParseTime
// Connect to Server
dialsLock.RLock()
dial, ok := dials[mc.cfg.Net]
dialsLock.RUnlock()
if ok {
dctx := ctx
if mc.cfg.Timeout > 0 {
var cancel context.CancelFunc
dctx, cancel = context.WithTimeout(ctx, c.cfg.Timeout)
defer cancel()
}
mc.netConn, err = dial(dctx, mc.cfg.Addr)
} else {
nd := net.Dialer{Timeout: mc.cfg.Timeout}
mc.netConn, err = nd.DialContext(ctx, mc.cfg.Net, mc.cfg.Addr)
}
if err != nil {
return nil, err
}
// Enable TCP Keepalives on TCP connections
if tc, ok := mc.netConn.(*net.TCPConn); ok {
if err := tc.SetKeepAlive(true); err != nil {
// Don't send COM_QUIT before handshake.
mc.netConn.Close()
mc.netConn = nil
return nil, err
}
}
// Call startWatcher for context support (From Go 1.8)
mc.startWatcher()
if err := mc.watchCancel(ctx); err != nil {
mc.cleanup()
return nil, err
}
defer mc.finish()
mc.buf = newBuffer(mc.netConn)
// Set I/O timeouts
mc.buf.timeout = mc.cfg.ReadTimeout
mc.writeTimeout = mc.cfg.WriteTimeout
// Reading Handshake Initialization Packet
authData, plugin, err := mc.readHandshakePacket()
if err != nil {
mc.cleanup()
return nil, err
}
if plugin == "" {
plugin = defaultAuthPlugin
}
// Send Client Authentication Packet
authResp, err := mc.auth(authData, plugin)
if err != nil {
// try the default auth plugin, if using the requested plugin failed
errLog.Print("could not use requested auth plugin '"+plugin+"': ", err.Error())
plugin = defaultAuthPlugin
authResp, err = mc.auth(authData, plugin)
if err != nil {
mc.cleanup()
return nil, err
}
}
if err = mc.writeHandshakeResponsePacket(authResp, plugin); err != nil {
mc.cleanup()
return nil, err
}
// Handle response to auth packet, switch methods if possible
if err = mc.handleAuthResult(authData, plugin); err != nil {
// Authentication failed and MySQL has already closed the connection
// (https://dev.mysql.com/doc/internals/en/authentication-fails.html).
// Do not send COM_QUIT, just cleanup and return the error.
mc.cleanup()
return nil, err
}
if mc.cfg.MaxAllowedPacket > 0 {
mc.maxAllowedPacket = mc.cfg.MaxAllowedPacket
} else {
// Get max allowed packet size
maxap, err := mc.getSystemVar("max_allowed_packet")
if err != nil {
mc.Close()
return nil, err
}
mc.maxAllowedPacket = stringToInt(maxap) - 1
}
if mc.maxAllowedPacket < maxPacketSize {
mc.maxWriteSize = mc.maxAllowedPacket
}
// Handle DSN Params
err = mc.handleParams()
if err != nil {
mc.Close()
return nil, err
}
return mc, nil
}
// Driver implements driver.Connector interface.
// Driver returns &MySQLDriver{}.
func (c *connector) Driver() driver.Driver {
return &MySQLDriver{}
}

@ -1,174 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
const (
defaultAuthPlugin = "mysql_native_password"
defaultMaxAllowedPacket = 4 << 20 // 4 MiB
minProtocolVersion = 10
maxPacketSize = 1<<24 - 1
timeFormat = "2006-01-02 15:04:05.999999"
)
// MySQL constants documentation:
// http://dev.mysql.com/doc/internals/en/client-server-protocol.html
const (
iOK byte = 0x00
iAuthMoreData byte = 0x01
iLocalInFile byte = 0xfb
iEOF byte = 0xfe
iERR byte = 0xff
)
// https://dev.mysql.com/doc/internals/en/capability-flags.html#packet-Protocol::CapabilityFlags
type clientFlag uint32
const (
clientLongPassword clientFlag = 1 << iota
clientFoundRows
clientLongFlag
clientConnectWithDB
clientNoSchema
clientCompress
clientODBC
clientLocalFiles
clientIgnoreSpace
clientProtocol41
clientInteractive
clientSSL
clientIgnoreSIGPIPE
clientTransactions
clientReserved
clientSecureConn
clientMultiStatements
clientMultiResults
clientPSMultiResults
clientPluginAuth
clientConnectAttrs
clientPluginAuthLenEncClientData
clientCanHandleExpiredPasswords
clientSessionTrack
clientDeprecateEOF
)
const (
comQuit byte = iota + 1
comInitDB
comQuery
comFieldList
comCreateDB
comDropDB
comRefresh
comShutdown
comStatistics
comProcessInfo
comConnect
comProcessKill
comDebug
comPing
comTime
comDelayedInsert
comChangeUser
comBinlogDump
comTableDump
comConnectOut
comRegisterSlave
comStmtPrepare
comStmtExecute
comStmtSendLongData
comStmtClose
comStmtReset
comSetOption
comStmtFetch
)
// https://dev.mysql.com/doc/internals/en/com-query-response.html#packet-Protocol::ColumnType
type fieldType byte
const (
fieldTypeDecimal fieldType = iota
fieldTypeTiny
fieldTypeShort
fieldTypeLong
fieldTypeFloat
fieldTypeDouble
fieldTypeNULL
fieldTypeTimestamp
fieldTypeLongLong
fieldTypeInt24
fieldTypeDate
fieldTypeTime
fieldTypeDateTime
fieldTypeYear
fieldTypeNewDate
fieldTypeVarChar
fieldTypeBit
)
const (
fieldTypeJSON fieldType = iota + 0xf5
fieldTypeNewDecimal
fieldTypeEnum
fieldTypeSet
fieldTypeTinyBLOB
fieldTypeMediumBLOB
fieldTypeLongBLOB
fieldTypeBLOB
fieldTypeVarString
fieldTypeString
fieldTypeGeometry
)
type fieldFlag uint16
const (
flagNotNULL fieldFlag = 1 << iota
flagPriKey
flagUniqueKey
flagMultipleKey
flagBLOB
flagUnsigned
flagZeroFill
flagBinary
flagEnum
flagAutoIncrement
flagTimestamp
flagSet
flagUnknown1
flagUnknown2
flagUnknown3
flagUnknown4
)
// http://dev.mysql.com/doc/internals/en/status-flags.html
type statusFlag uint16
const (
statusInTrans statusFlag = 1 << iota
statusInAutocommit
statusReserved // Not in documentation
statusMoreResultsExists
statusNoGoodIndexUsed
statusNoIndexUsed
statusCursorExists
statusLastRowSent
statusDbDropped
statusNoBackslashEscapes
statusMetadataChanged
statusQueryWasSlow
statusPsOutParams
statusInTransReadonly
statusSessionStateChanged
)
const (
cachingSha2PasswordRequestPublicKey = 2
cachingSha2PasswordFastAuthSuccess = 3
cachingSha2PasswordPerformFullAuthentication = 4
)

@ -1,107 +0,0 @@
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// Package mysql provides a MySQL driver for Go's database/sql package.
//
// The driver should be used via the database/sql package:
//
// import "database/sql"
// import _ "github.com/go-sql-driver/mysql"
//
// db, err := sql.Open("mysql", "user:password@/dbname")
//
// See https://github.com/go-sql-driver/mysql#usage for details
package mysql
import (
"context"
"database/sql"
"database/sql/driver"
"net"
"sync"
)
// MySQLDriver is exported to make the driver directly accessible.
// In general the driver is used via the database/sql package.
type MySQLDriver struct{}
// DialFunc is a function which can be used to establish the network connection.
// Custom dial functions must be registered with RegisterDial
//
// Deprecated: users should register a DialContextFunc instead
type DialFunc func(addr string) (net.Conn, error)
// DialContextFunc is a function which can be used to establish the network connection.
// Custom dial functions must be registered with RegisterDialContext
type DialContextFunc func(ctx context.Context, addr string) (net.Conn, error)
var (
dialsLock sync.RWMutex
dials map[string]DialContextFunc
)
// RegisterDialContext registers a custom dial function. It can then be used by the
// network address mynet(addr), where mynet is the registered new network.
// The current context for the connection and its address is passed to the dial function.
func RegisterDialContext(net string, dial DialContextFunc) {
dialsLock.Lock()
defer dialsLock.Unlock()
if dials == nil {
dials = make(map[string]DialContextFunc)
}
dials[net] = dial
}
// RegisterDial registers a custom dial function. It can then be used by the
// network address mynet(addr), where mynet is the registered new network.
// addr is passed as a parameter to the dial function.
//
// Deprecated: users should call RegisterDialContext instead
func RegisterDial(network string, dial DialFunc) {
RegisterDialContext(network, func(_ context.Context, addr string) (net.Conn, error) {
return dial(addr)
})
}
// Open new Connection.
// See https://github.com/go-sql-driver/mysql#dsn-data-source-name for how
// the DSN string is formatted
func (d MySQLDriver) Open(dsn string) (driver.Conn, error) {
cfg, err := ParseDSN(dsn)
if err != nil {
return nil, err
}
c := &connector{
cfg: cfg,
}
return c.Connect(context.Background())
}
func init() {
sql.Register("mysql", &MySQLDriver{})
}
// NewConnector returns new driver.Connector.
func NewConnector(cfg *Config) (driver.Connector, error) {
cfg = cfg.Clone()
// normalize the contents of cfg so calls to NewConnector have the same
// behavior as MySQLDriver.OpenConnector
if err := cfg.normalize(); err != nil {
return nil, err
}
return &connector{cfg: cfg}, nil
}
// OpenConnector implements driver.DriverContext.
func (d MySQLDriver) OpenConnector(dsn string) (driver.Connector, error) {
cfg, err := ParseDSN(dsn)
if err != nil {
return nil, err
}
return &connector{
cfg: cfg,
}, nil
}

@ -1,560 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2016 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"bytes"
"crypto/rsa"
"crypto/tls"
"errors"
"fmt"
"math/big"
"net"
"net/url"
"sort"
"strconv"
"strings"
"time"
)
var (
errInvalidDSNUnescaped = errors.New("invalid DSN: did you forget to escape a param value?")
errInvalidDSNAddr = errors.New("invalid DSN: network address not terminated (missing closing brace)")
errInvalidDSNNoSlash = errors.New("invalid DSN: missing the slash separating the database name")
errInvalidDSNUnsafeCollation = errors.New("invalid DSN: interpolateParams can not be used with unsafe collations")
)
// Config is a configuration parsed from a DSN string.
// If a new Config is created instead of being parsed from a DSN string,
// the NewConfig function should be used, which sets default values.
type Config struct {
User string // Username
Passwd string // Password (requires User)
Net string // Network type
Addr string // Network address (requires Net)
DBName string // Database name
Params map[string]string // Connection parameters
Collation string // Connection collation
Loc *time.Location // Location for time.Time values
MaxAllowedPacket int // Max packet size allowed
ServerPubKey string // Server public key name
pubKey *rsa.PublicKey // Server public key
TLSConfig string // TLS configuration name
tls *tls.Config // TLS configuration
Timeout time.Duration // Dial timeout
ReadTimeout time.Duration // I/O read timeout
WriteTimeout time.Duration // I/O write timeout
AllowAllFiles bool // Allow all files to be used with LOAD DATA LOCAL INFILE
AllowCleartextPasswords bool // Allows the cleartext client side plugin
AllowNativePasswords bool // Allows the native password authentication method
AllowOldPasswords bool // Allows the old insecure password method
CheckConnLiveness bool // Check connections for liveness before using them
ClientFoundRows bool // Return number of matching rows instead of rows changed
ColumnsWithAlias bool // Prepend table alias to column names
InterpolateParams bool // Interpolate placeholders into query string
MultiStatements bool // Allow multiple statements in one query
ParseTime bool // Parse time values to time.Time
RejectReadOnly bool // Reject read-only connections
}
// NewConfig creates a new Config and sets default values.
func NewConfig() *Config {
return &Config{
Collation: defaultCollation,
Loc: time.UTC,
MaxAllowedPacket: defaultMaxAllowedPacket,
AllowNativePasswords: true,
CheckConnLiveness: true,
}
}
func (cfg *Config) Clone() *Config {
cp := *cfg
if cp.tls != nil {
cp.tls = cfg.tls.Clone()
}
if len(cp.Params) > 0 {
cp.Params = make(map[string]string, len(cfg.Params))
for k, v := range cfg.Params {
cp.Params[k] = v
}
}
if cfg.pubKey != nil {
cp.pubKey = &rsa.PublicKey{
N: new(big.Int).Set(cfg.pubKey.N),
E: cfg.pubKey.E,
}
}
return &cp
}
func (cfg *Config) normalize() error {
if cfg.InterpolateParams && unsafeCollations[cfg.Collation] {
return errInvalidDSNUnsafeCollation
}
// Set default network if empty
if cfg.Net == "" {
cfg.Net = "tcp"
}
// Set default address if empty
if cfg.Addr == "" {
switch cfg.Net {
case "tcp":
cfg.Addr = "127.0.0.1:3306"
case "unix":
cfg.Addr = "/tmp/mysql.sock"
default:
return errors.New("default addr for network '" + cfg.Net + "' unknown")
}
} else if cfg.Net == "tcp" {
cfg.Addr = ensureHavePort(cfg.Addr)
}
switch cfg.TLSConfig {
case "false", "":
// don't set anything
case "true":
cfg.tls = &tls.Config{}
case "skip-verify", "preferred":
cfg.tls = &tls.Config{InsecureSkipVerify: true}
default:
cfg.tls = getTLSConfigClone(cfg.TLSConfig)
if cfg.tls == nil {
return errors.New("invalid value / unknown config name: " + cfg.TLSConfig)
}
}
if cfg.tls != nil && cfg.tls.ServerName == "" && !cfg.tls.InsecureSkipVerify {
host, _, err := net.SplitHostPort(cfg.Addr)
if err == nil {
cfg.tls.ServerName = host
}
}
if cfg.ServerPubKey != "" {
cfg.pubKey = getServerPubKey(cfg.ServerPubKey)
if cfg.pubKey == nil {
return errors.New("invalid value / unknown server pub key name: " + cfg.ServerPubKey)
}
}
return nil
}
func writeDSNParam(buf *bytes.Buffer, hasParam *bool, name, value string) {
buf.Grow(1 + len(name) + 1 + len(value))
if !*hasParam {
*hasParam = true
buf.WriteByte('?')
} else {
buf.WriteByte('&')
}
buf.WriteString(name)
buf.WriteByte('=')
buf.WriteString(value)
}
// FormatDSN formats the given Config into a DSN string which can be passed to
// the driver.
func (cfg *Config) FormatDSN() string {
var buf bytes.Buffer
// [username[:password]@]
if len(cfg.User) > 0 {
buf.WriteString(cfg.User)
if len(cfg.Passwd) > 0 {
buf.WriteByte(':')
buf.WriteString(cfg.Passwd)
}
buf.WriteByte('@')
}
// [protocol[(address)]]
if len(cfg.Net) > 0 {
buf.WriteString(cfg.Net)
if len(cfg.Addr) > 0 {
buf.WriteByte('(')
buf.WriteString(cfg.Addr)
buf.WriteByte(')')
}
}
// /dbname
buf.WriteByte('/')
buf.WriteString(cfg.DBName)
// [?param1=value1&...&paramN=valueN]
hasParam := false
if cfg.AllowAllFiles {
hasParam = true
buf.WriteString("?allowAllFiles=true")
}
if cfg.AllowCleartextPasswords {
writeDSNParam(&buf, &hasParam, "allowCleartextPasswords", "true")
}
if !cfg.AllowNativePasswords {
writeDSNParam(&buf, &hasParam, "allowNativePasswords", "false")
}
if cfg.AllowOldPasswords {
writeDSNParam(&buf, &hasParam, "allowOldPasswords", "true")
}
if !cfg.CheckConnLiveness {
writeDSNParam(&buf, &hasParam, "checkConnLiveness", "false")
}
if cfg.ClientFoundRows {
writeDSNParam(&buf, &hasParam, "clientFoundRows", "true")
}
if col := cfg.Collation; col != defaultCollation && len(col) > 0 {
writeDSNParam(&buf, &hasParam, "collation", col)
}
if cfg.ColumnsWithAlias {
writeDSNParam(&buf, &hasParam, "columnsWithAlias", "true")
}
if cfg.InterpolateParams {
writeDSNParam(&buf, &hasParam, "interpolateParams", "true")
}
if cfg.Loc != time.UTC && cfg.Loc != nil {
writeDSNParam(&buf, &hasParam, "loc", url.QueryEscape(cfg.Loc.String()))
}
if cfg.MultiStatements {
writeDSNParam(&buf, &hasParam, "multiStatements", "true")
}
if cfg.ParseTime {
writeDSNParam(&buf, &hasParam, "parseTime", "true")
}
if cfg.ReadTimeout > 0 {
writeDSNParam(&buf, &hasParam, "readTimeout", cfg.ReadTimeout.String())
}
if cfg.RejectReadOnly {
writeDSNParam(&buf, &hasParam, "rejectReadOnly", "true")
}
if len(cfg.ServerPubKey) > 0 {
writeDSNParam(&buf, &hasParam, "serverPubKey", url.QueryEscape(cfg.ServerPubKey))
}
if cfg.Timeout > 0 {
writeDSNParam(&buf, &hasParam, "timeout", cfg.Timeout.String())
}
if len(cfg.TLSConfig) > 0 {
writeDSNParam(&buf, &hasParam, "tls", url.QueryEscape(cfg.TLSConfig))
}
if cfg.WriteTimeout > 0 {
writeDSNParam(&buf, &hasParam, "writeTimeout", cfg.WriteTimeout.String())
}
if cfg.MaxAllowedPacket != defaultMaxAllowedPacket {
writeDSNParam(&buf, &hasParam, "maxAllowedPacket", strconv.Itoa(cfg.MaxAllowedPacket))
}
// other params
if cfg.Params != nil {
var params []string
for param := range cfg.Params {
params = append(params, param)
}
sort.Strings(params)
for _, param := range params {
writeDSNParam(&buf, &hasParam, param, url.QueryEscape(cfg.Params[param]))
}
}
return buf.String()
}
// ParseDSN parses the DSN string to a Config
func ParseDSN(dsn string) (cfg *Config, err error) {
// New config with some default values
cfg = NewConfig()
// [user[:password]@][net[(addr)]]/dbname[?param1=value1&paramN=valueN]
// Find the last '/' (since the password or the net addr might contain a '/')
foundSlash := false
for i := len(dsn) - 1; i >= 0; i-- {
if dsn[i] == '/' {
foundSlash = true
var j, k int
// left part is empty if i <= 0
if i > 0 {
// [username[:password]@][protocol[(address)]]
// Find the last '@' in dsn[:i]
for j = i; j >= 0; j-- {
if dsn[j] == '@' {
// username[:password]
// Find the first ':' in dsn[:j]
for k = 0; k < j; k++ {
if dsn[k] == ':' {
cfg.Passwd = dsn[k+1 : j]
break
}
}
cfg.User = dsn[:k]
break
}
}
// [protocol[(address)]]
// Find the first '(' in dsn[j+1:i]
for k = j + 1; k < i; k++ {
if dsn[k] == '(' {
// dsn[i-1] must be == ')' if an address is specified
if dsn[i-1] != ')' {
if strings.ContainsRune(dsn[k+1:i], ')') {
return nil, errInvalidDSNUnescaped
}
return nil, errInvalidDSNAddr
}
cfg.Addr = dsn[k+1 : i-1]
break
}
}
cfg.Net = dsn[j+1 : k]
}
// dbname[?param1=value1&...&paramN=valueN]
// Find the first '?' in dsn[i+1:]
for j = i + 1; j < len(dsn); j++ {
if dsn[j] == '?' {
if err = parseDSNParams(cfg, dsn[j+1:]); err != nil {
return
}
break
}
}
cfg.DBName = dsn[i+1 : j]
break
}
}
if !foundSlash && len(dsn) > 0 {
return nil, errInvalidDSNNoSlash
}
if err = cfg.normalize(); err != nil {
return nil, err
}
return
}
// parseDSNParams parses the DSN "query string"
// Values must be url.QueryEscape'ed
func parseDSNParams(cfg *Config, params string) (err error) {
for _, v := range strings.Split(params, "&") {
param := strings.SplitN(v, "=", 2)
if len(param) != 2 {
continue
}
// cfg params
switch value := param[1]; param[0] {
// Disable INFILE allowlist / enable all files
case "allowAllFiles":
var isBool bool
cfg.AllowAllFiles, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Use cleartext authentication mode (MySQL 5.5.10+)
case "allowCleartextPasswords":
var isBool bool
cfg.AllowCleartextPasswords, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Use native password authentication
case "allowNativePasswords":
var isBool bool
cfg.AllowNativePasswords, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Use old authentication mode (pre MySQL 4.1)
case "allowOldPasswords":
var isBool bool
cfg.AllowOldPasswords, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Check connections for Liveness before using them
case "checkConnLiveness":
var isBool bool
cfg.CheckConnLiveness, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Switch "rowsAffected" mode
case "clientFoundRows":
var isBool bool
cfg.ClientFoundRows, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Collation
case "collation":
cfg.Collation = value
break
case "columnsWithAlias":
var isBool bool
cfg.ColumnsWithAlias, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Compression
case "compress":
return errors.New("compression not implemented yet")
// Enable client side placeholder substitution
case "interpolateParams":
var isBool bool
cfg.InterpolateParams, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Time Location
case "loc":
if value, err = url.QueryUnescape(value); err != nil {
return
}
cfg.Loc, err = time.LoadLocation(value)
if err != nil {
return
}
// multiple statements in one query
case "multiStatements":
var isBool bool
cfg.MultiStatements, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// time.Time parsing
case "parseTime":
var isBool bool
cfg.ParseTime, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// I/O read Timeout
case "readTimeout":
cfg.ReadTimeout, err = time.ParseDuration(value)
if err != nil {
return
}
// Reject read-only connections
case "rejectReadOnly":
var isBool bool
cfg.RejectReadOnly, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Server public key
case "serverPubKey":
name, err := url.QueryUnescape(value)
if err != nil {
return fmt.Errorf("invalid value for server pub key name: %v", err)
}
cfg.ServerPubKey = name
// Strict mode
case "strict":
panic("strict mode has been removed. See https://github.com/go-sql-driver/mysql/wiki/strict-mode")
// Dial Timeout
case "timeout":
cfg.Timeout, err = time.ParseDuration(value)
if err != nil {
return
}
// TLS-Encryption
case "tls":
boolValue, isBool := readBool(value)
if isBool {
if boolValue {
cfg.TLSConfig = "true"
} else {
cfg.TLSConfig = "false"
}
} else if vl := strings.ToLower(value); vl == "skip-verify" || vl == "preferred" {
cfg.TLSConfig = vl
} else {
name, err := url.QueryUnescape(value)
if err != nil {
return fmt.Errorf("invalid value for TLS config name: %v", err)
}
cfg.TLSConfig = name
}
// I/O write Timeout
case "writeTimeout":
cfg.WriteTimeout, err = time.ParseDuration(value)
if err != nil {
return
}
case "maxAllowedPacket":
cfg.MaxAllowedPacket, err = strconv.Atoi(value)
if err != nil {
return
}
default:
// lazy init
if cfg.Params == nil {
cfg.Params = make(map[string]string)
}
if cfg.Params[param[0]], err = url.QueryUnescape(value); err != nil {
return
}
}
}
return
}
func ensureHavePort(addr string) string {
if _, _, err := net.SplitHostPort(addr); err != nil {
return net.JoinHostPort(addr, "3306")
}
return addr
}

@ -1,65 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"errors"
"fmt"
"log"
"os"
)
// Various errors the driver might return. Can change between driver versions.
var (
ErrInvalidConn = errors.New("invalid connection")
ErrMalformPkt = errors.New("malformed packet")
ErrNoTLS = errors.New("TLS requested but server does not support TLS")
ErrCleartextPassword = errors.New("this user requires clear text authentication. If you still want to use it, please add 'allowCleartextPasswords=1' to your DSN")
ErrNativePassword = errors.New("this user requires mysql native password authentication.")
ErrOldPassword = errors.New("this user requires old password authentication. If you still want to use it, please add 'allowOldPasswords=1' to your DSN. See also https://github.com/go-sql-driver/mysql/wiki/old_passwords")
ErrUnknownPlugin = errors.New("this authentication plugin is not supported")
ErrOldProtocol = errors.New("MySQL server does not support required protocol 41+")
ErrPktSync = errors.New("commands out of sync. You can't run this command now")
ErrPktSyncMul = errors.New("commands out of sync. Did you run multiple statements at once?")
ErrPktTooLarge = errors.New("packet for query is too large. Try adjusting the 'max_allowed_packet' variable on the server")
ErrBusyBuffer = errors.New("busy buffer")
// errBadConnNoWrite is used for connection errors where nothing was sent to the database yet.
// If this happens first in a function starting a database interaction, it should be replaced by driver.ErrBadConn
// to trigger a resend.
// See https://github.com/go-sql-driver/mysql/pull/302
errBadConnNoWrite = errors.New("bad connection")
)
var errLog = Logger(log.New(os.Stderr, "[mysql] ", log.Ldate|log.Ltime|log.Lshortfile))
// Logger is used to log critical error messages.
type Logger interface {
Print(v ...interface{})
}
// SetLogger is used to set the logger for critical errors.
// The initial logger is os.Stderr.
func SetLogger(logger Logger) error {
if logger == nil {
return errors.New("logger is nil")
}
errLog = logger
return nil
}
// MySQLError is an error type which represents a single MySQL error
type MySQLError struct {
Number uint16
Message string
}
func (me *MySQLError) Error() string {
return fmt.Sprintf("Error %d: %s", me.Number, me.Message)
}

@ -1,194 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql"
"reflect"
)
func (mf *mysqlField) typeDatabaseName() string {
switch mf.fieldType {
case fieldTypeBit:
return "BIT"
case fieldTypeBLOB:
if mf.charSet != collations[binaryCollation] {
return "TEXT"
}
return "BLOB"
case fieldTypeDate:
return "DATE"
case fieldTypeDateTime:
return "DATETIME"
case fieldTypeDecimal:
return "DECIMAL"
case fieldTypeDouble:
return "DOUBLE"
case fieldTypeEnum:
return "ENUM"
case fieldTypeFloat:
return "FLOAT"
case fieldTypeGeometry:
return "GEOMETRY"
case fieldTypeInt24:
return "MEDIUMINT"
case fieldTypeJSON:
return "JSON"
case fieldTypeLong:
return "INT"
case fieldTypeLongBLOB:
if mf.charSet != collations[binaryCollation] {
return "LONGTEXT"
}
return "LONGBLOB"
case fieldTypeLongLong:
return "BIGINT"
case fieldTypeMediumBLOB:
if mf.charSet != collations[binaryCollation] {
return "MEDIUMTEXT"
}
return "MEDIUMBLOB"
case fieldTypeNewDate:
return "DATE"
case fieldTypeNewDecimal:
return "DECIMAL"
case fieldTypeNULL:
return "NULL"
case fieldTypeSet:
return "SET"
case fieldTypeShort:
return "SMALLINT"
case fieldTypeString:
if mf.charSet == collations[binaryCollation] {
return "BINARY"
}
return "CHAR"
case fieldTypeTime:
return "TIME"
case fieldTypeTimestamp:
return "TIMESTAMP"
case fieldTypeTiny:
return "TINYINT"
case fieldTypeTinyBLOB:
if mf.charSet != collations[binaryCollation] {
return "TINYTEXT"
}
return "TINYBLOB"
case fieldTypeVarChar:
if mf.charSet == collations[binaryCollation] {
return "VARBINARY"
}
return "VARCHAR"
case fieldTypeVarString:
if mf.charSet == collations[binaryCollation] {
return "VARBINARY"
}
return "VARCHAR"
case fieldTypeYear:
return "YEAR"
default:
return ""
}
}
var (
scanTypeFloat32 = reflect.TypeOf(float32(0))
scanTypeFloat64 = reflect.TypeOf(float64(0))
scanTypeInt8 = reflect.TypeOf(int8(0))
scanTypeInt16 = reflect.TypeOf(int16(0))
scanTypeInt32 = reflect.TypeOf(int32(0))
scanTypeInt64 = reflect.TypeOf(int64(0))
scanTypeNullFloat = reflect.TypeOf(sql.NullFloat64{})
scanTypeNullInt = reflect.TypeOf(sql.NullInt64{})
scanTypeNullTime = reflect.TypeOf(nullTime{})
scanTypeUint8 = reflect.TypeOf(uint8(0))
scanTypeUint16 = reflect.TypeOf(uint16(0))
scanTypeUint32 = reflect.TypeOf(uint32(0))
scanTypeUint64 = reflect.TypeOf(uint64(0))
scanTypeRawBytes = reflect.TypeOf(sql.RawBytes{})
scanTypeUnknown = reflect.TypeOf(new(interface{}))
)
type mysqlField struct {
tableName string
name string
length uint32
flags fieldFlag
fieldType fieldType
decimals byte
charSet uint8
}
func (mf *mysqlField) scanType() reflect.Type {
switch mf.fieldType {
case fieldTypeTiny:
if mf.flags&flagNotNULL != 0 {
if mf.flags&flagUnsigned != 0 {
return scanTypeUint8
}
return scanTypeInt8
}
return scanTypeNullInt
case fieldTypeShort, fieldTypeYear:
if mf.flags&flagNotNULL != 0 {
if mf.flags&flagUnsigned != 0 {
return scanTypeUint16
}
return scanTypeInt16
}
return scanTypeNullInt
case fieldTypeInt24, fieldTypeLong:
if mf.flags&flagNotNULL != 0 {
if mf.flags&flagUnsigned != 0 {
return scanTypeUint32
}
return scanTypeInt32
}
return scanTypeNullInt
case fieldTypeLongLong:
if mf.flags&flagNotNULL != 0 {
if mf.flags&flagUnsigned != 0 {
return scanTypeUint64
}
return scanTypeInt64
}
return scanTypeNullInt
case fieldTypeFloat:
if mf.flags&flagNotNULL != 0 {
return scanTypeFloat32
}
return scanTypeNullFloat
case fieldTypeDouble:
if mf.flags&flagNotNULL != 0 {
return scanTypeFloat64
}
return scanTypeNullFloat
case fieldTypeDecimal, fieldTypeNewDecimal, fieldTypeVarChar,
fieldTypeBit, fieldTypeEnum, fieldTypeSet, fieldTypeTinyBLOB,
fieldTypeMediumBLOB, fieldTypeLongBLOB, fieldTypeBLOB,
fieldTypeVarString, fieldTypeString, fieldTypeGeometry, fieldTypeJSON,
fieldTypeTime:
return scanTypeRawBytes
case fieldTypeDate, fieldTypeNewDate,
fieldTypeTimestamp, fieldTypeDateTime:
// NullTime is always returned for more consistent behavior as it can
// handle both cases of parseTime regardless if the field is nullable.
return scanTypeNullTime
default:
return scanTypeUnknown
}
}

@ -1,24 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package.
//
// Copyright 2020 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build gofuzz
package mysql
import (
"database/sql"
)
func Fuzz(data []byte) int {
db, err := sql.Open("mysql", string(data))
if err != nil {
return 0
}
db.Close()
return 1
}

@ -1,182 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"fmt"
"io"
"os"
"strings"
"sync"
)
var (
fileRegister map[string]bool
fileRegisterLock sync.RWMutex
readerRegister map[string]func() io.Reader
readerRegisterLock sync.RWMutex
)
// RegisterLocalFile adds the given file to the file allowlist,
// so that it can be used by "LOAD DATA LOCAL INFILE <filepath>".
// Alternatively you can allow the use of all local files with
// the DSN parameter 'allowAllFiles=true'
//
// filePath := "/home/gopher/data.csv"
// mysql.RegisterLocalFile(filePath)
// err := db.Exec("LOAD DATA LOCAL INFILE '" + filePath + "' INTO TABLE foo")
// if err != nil {
// ...
//
func RegisterLocalFile(filePath string) {
fileRegisterLock.Lock()
// lazy map init
if fileRegister == nil {
fileRegister = make(map[string]bool)
}
fileRegister[strings.Trim(filePath, `"`)] = true
fileRegisterLock.Unlock()
}
// DeregisterLocalFile removes the given filepath from the allowlist.
func DeregisterLocalFile(filePath string) {
fileRegisterLock.Lock()
delete(fileRegister, strings.Trim(filePath, `"`))
fileRegisterLock.Unlock()
}
// RegisterReaderHandler registers a handler function which is used
// to receive a io.Reader.
// The Reader can be used by "LOAD DATA LOCAL INFILE Reader::<name>".
// If the handler returns a io.ReadCloser Close() is called when the
// request is finished.
//
// mysql.RegisterReaderHandler("data", func() io.Reader {
// var csvReader io.Reader // Some Reader that returns CSV data
// ... // Open Reader here
// return csvReader
// })
// err := db.Exec("LOAD DATA LOCAL INFILE 'Reader::data' INTO TABLE foo")
// if err != nil {
// ...
//
func RegisterReaderHandler(name string, handler func() io.Reader) {
readerRegisterLock.Lock()
// lazy map init
if readerRegister == nil {
readerRegister = make(map[string]func() io.Reader)
}
readerRegister[name] = handler
readerRegisterLock.Unlock()
}
// DeregisterReaderHandler removes the ReaderHandler function with
// the given name from the registry.
func DeregisterReaderHandler(name string) {
readerRegisterLock.Lock()
delete(readerRegister, name)
readerRegisterLock.Unlock()
}
func deferredClose(err *error, closer io.Closer) {
closeErr := closer.Close()
if *err == nil {
*err = closeErr
}
}
func (mc *mysqlConn) handleInFileRequest(name string) (err error) {
var rdr io.Reader
var data []byte
packetSize := 16 * 1024 // 16KB is small enough for disk readahead and large enough for TCP
if mc.maxWriteSize < packetSize {
packetSize = mc.maxWriteSize
}
if idx := strings.Index(name, "Reader::"); idx == 0 || (idx > 0 && name[idx-1] == '/') { // io.Reader
// The server might return an an absolute path. See issue #355.
name = name[idx+8:]
readerRegisterLock.RLock()
handler, inMap := readerRegister[name]
readerRegisterLock.RUnlock()
if inMap {
rdr = handler()
if rdr != nil {
if cl, ok := rdr.(io.Closer); ok {
defer deferredClose(&err, cl)
}
} else {
err = fmt.Errorf("Reader '%s' is <nil>", name)
}
} else {
err = fmt.Errorf("Reader '%s' is not registered", name)
}
} else { // File
name = strings.Trim(name, `"`)
fileRegisterLock.RLock()
fr := fileRegister[name]
fileRegisterLock.RUnlock()
if mc.cfg.AllowAllFiles || fr {
var file *os.File
var fi os.FileInfo
if file, err = os.Open(name); err == nil {
defer deferredClose(&err, file)
// get file size
if fi, err = file.Stat(); err == nil {
rdr = file
if fileSize := int(fi.Size()); fileSize < packetSize {
packetSize = fileSize
}
}
}
} else {
err = fmt.Errorf("local file '%s' is not registered", name)
}
}
// send content packets
// if packetSize == 0, the Reader contains no data
if err == nil && packetSize > 0 {
data := make([]byte, 4+packetSize)
var n int
for err == nil {
n, err = rdr.Read(data[4:])
if n > 0 {
if ioErr := mc.writePacket(data[:4+n]); ioErr != nil {
return ioErr
}
}
}
if err == io.EOF {
err = nil
}
}
// send empty packet (termination)
if data == nil {
data = make([]byte, 4)
}
if ioErr := mc.writePacket(data[:4]); ioErr != nil {
return ioErr
}
// read OK packet
if err == nil {
return mc.readResultOK()
}
mc.readPacket()
return err
}

@ -1,50 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql/driver"
"fmt"
"time"
)
// Scan implements the Scanner interface.
// The value type must be time.Time or string / []byte (formatted time-string),
// otherwise Scan fails.
func (nt *NullTime) Scan(value interface{}) (err error) {
if value == nil {
nt.Time, nt.Valid = time.Time{}, false
return
}
switch v := value.(type) {
case time.Time:
nt.Time, nt.Valid = v, true
return
case []byte:
nt.Time, err = parseDateTime(v, time.UTC)
nt.Valid = (err == nil)
return
case string:
nt.Time, err = parseDateTime([]byte(v), time.UTC)
nt.Valid = (err == nil)
return
}
nt.Valid = false
return fmt.Errorf("Can't convert %T to time.Time", value)
}
// Value implements the driver Valuer interface.
func (nt NullTime) Value() (driver.Value, error) {
if !nt.Valid {
return nil, nil
}
return nt.Time, nil
}

@ -1,40 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build go1.13
package mysql
import (
"database/sql"
)
// NullTime represents a time.Time that may be NULL.
// NullTime implements the Scanner interface so
// it can be used as a scan destination:
//
// var nt NullTime
// err := db.QueryRow("SELECT time FROM foo WHERE id=?", id).Scan(&nt)
// ...
// if nt.Valid {
// // use nt.Time
// } else {
// // NULL value
// }
//
// This NullTime implementation is not driver-specific
//
// Deprecated: NullTime doesn't honor the loc DSN parameter.
// NullTime.Scan interprets a time as UTC, not the loc DSN parameter.
// Use sql.NullTime instead.
type NullTime sql.NullTime
// for internal use.
// the mysql package uses sql.NullTime if it is available.
// if not, the package uses mysql.NullTime.
type nullTime = sql.NullTime // sql.NullTime is available

@ -1,39 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build !go1.13
package mysql
import (
"time"
)
// NullTime represents a time.Time that may be NULL.
// NullTime implements the Scanner interface so
// it can be used as a scan destination:
//
// var nt NullTime
// err := db.QueryRow("SELECT time FROM foo WHERE id=?", id).Scan(&nt)
// ...
// if nt.Valid {
// // use nt.Time
// } else {
// // NULL value
// }
//
// This NullTime implementation is not driver-specific
type NullTime struct {
Time time.Time
Valid bool // Valid is true if Time is not NULL
}
// for internal use.
// the mysql package uses sql.NullTime if it is available.
// if not, the package uses mysql.NullTime.
type nullTime = NullTime // sql.NullTime is not available

File diff suppressed because it is too large Load Diff

@ -1,22 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
type mysqlResult struct {
affectedRows int64
insertId int64
}
func (res *mysqlResult) LastInsertId() (int64, error) {
return res.insertId, nil
}
func (res *mysqlResult) RowsAffected() (int64, error) {
return res.affectedRows, nil
}

@ -1,223 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql/driver"
"io"
"math"
"reflect"
)
type resultSet struct {
columns []mysqlField
columnNames []string
done bool
}
type mysqlRows struct {
mc *mysqlConn
rs resultSet
finish func()
}
type binaryRows struct {
mysqlRows
}
type textRows struct {
mysqlRows
}
func (rows *mysqlRows) Columns() []string {
if rows.rs.columnNames != nil {
return rows.rs.columnNames
}
columns := make([]string, len(rows.rs.columns))
if rows.mc != nil && rows.mc.cfg.ColumnsWithAlias {
for i := range columns {
if tableName := rows.rs.columns[i].tableName; len(tableName) > 0 {
columns[i] = tableName + "." + rows.rs.columns[i].name
} else {
columns[i] = rows.rs.columns[i].name
}
}
} else {
for i := range columns {
columns[i] = rows.rs.columns[i].name
}
}
rows.rs.columnNames = columns
return columns
}
func (rows *mysqlRows) ColumnTypeDatabaseTypeName(i int) string {
return rows.rs.columns[i].typeDatabaseName()
}
// func (rows *mysqlRows) ColumnTypeLength(i int) (length int64, ok bool) {
// return int64(rows.rs.columns[i].length), true
// }
func (rows *mysqlRows) ColumnTypeNullable(i int) (nullable, ok bool) {
return rows.rs.columns[i].flags&flagNotNULL == 0, true
}
func (rows *mysqlRows) ColumnTypePrecisionScale(i int) (int64, int64, bool) {
column := rows.rs.columns[i]
decimals := int64(column.decimals)
switch column.fieldType {
case fieldTypeDecimal, fieldTypeNewDecimal:
if decimals > 0 {
return int64(column.length) - 2, decimals, true
}
return int64(column.length) - 1, decimals, true
case fieldTypeTimestamp, fieldTypeDateTime, fieldTypeTime:
return decimals, decimals, true
case fieldTypeFloat, fieldTypeDouble:
if decimals == 0x1f {
return math.MaxInt64, math.MaxInt64, true
}
return math.MaxInt64, decimals, true
}
return 0, 0, false
}
func (rows *mysqlRows) ColumnTypeScanType(i int) reflect.Type {
return rows.rs.columns[i].scanType()
}
func (rows *mysqlRows) Close() (err error) {
if f := rows.finish; f != nil {
f()
rows.finish = nil
}
mc := rows.mc
if mc == nil {
return nil
}
if err := mc.error(); err != nil {
return err
}
// flip the buffer for this connection if we need to drain it.
// note that for a successful query (i.e. one where rows.next()
// has been called until it returns false), `rows.mc` will be nil
// by the time the user calls `(*Rows).Close`, so we won't reach this
// see: https://github.com/golang/go/commit/651ddbdb5056ded455f47f9c494c67b389622a47
mc.buf.flip()
// Remove unread packets from stream
if !rows.rs.done {
err = mc.readUntilEOF()
}
if err == nil {
if err = mc.discardResults(); err != nil {
return err
}
}
rows.mc = nil
return err
}
func (rows *mysqlRows) HasNextResultSet() (b bool) {
if rows.mc == nil {
return false
}
return rows.mc.status&statusMoreResultsExists != 0
}
func (rows *mysqlRows) nextResultSet() (int, error) {
if rows.mc == nil {
return 0, io.EOF
}
if err := rows.mc.error(); err != nil {
return 0, err
}
// Remove unread packets from stream
if !rows.rs.done {
if err := rows.mc.readUntilEOF(); err != nil {
return 0, err
}
rows.rs.done = true
}
if !rows.HasNextResultSet() {
rows.mc = nil
return 0, io.EOF
}
rows.rs = resultSet{}
return rows.mc.readResultSetHeaderPacket()
}
func (rows *mysqlRows) nextNotEmptyResultSet() (int, error) {
for {
resLen, err := rows.nextResultSet()
if err != nil {
return 0, err
}
if resLen > 0 {
return resLen, nil
}
rows.rs.done = true
}
}
func (rows *binaryRows) NextResultSet() error {
resLen, err := rows.nextNotEmptyResultSet()
if err != nil {
return err
}
rows.rs.columns, err = rows.mc.readColumns(resLen)
return err
}
func (rows *binaryRows) Next(dest []driver.Value) error {
if mc := rows.mc; mc != nil {
if err := mc.error(); err != nil {
return err
}
// Fetch next row from stream
return rows.readRow(dest)
}
return io.EOF
}
func (rows *textRows) NextResultSet() (err error) {
resLen, err := rows.nextNotEmptyResultSet()
if err != nil {
return err
}
rows.rs.columns, err = rows.mc.readColumns(resLen)
return err
}
func (rows *textRows) Next(dest []driver.Value) error {
if mc := rows.mc; mc != nil {
if err := mc.error(); err != nil {
return err
}
// Fetch next row from stream
return rows.readRow(dest)
}
return io.EOF
}

@ -1,220 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql/driver"
"encoding/json"
"fmt"
"io"
"reflect"
)
type mysqlStmt struct {
mc *mysqlConn
id uint32
paramCount int
}
func (stmt *mysqlStmt) Close() error {
if stmt.mc == nil || stmt.mc.closed.IsSet() {
// driver.Stmt.Close can be called more than once, thus this function
// has to be idempotent.
// See also Issue #450 and golang/go#16019.
//errLog.Print(ErrInvalidConn)
return driver.ErrBadConn
}
err := stmt.mc.writeCommandPacketUint32(comStmtClose, stmt.id)
stmt.mc = nil
return err
}
func (stmt *mysqlStmt) NumInput() int {
return stmt.paramCount
}
func (stmt *mysqlStmt) ColumnConverter(idx int) driver.ValueConverter {
return converter{}
}
func (stmt *mysqlStmt) CheckNamedValue(nv *driver.NamedValue) (err error) {
nv.Value, err = converter{}.ConvertValue(nv.Value)
return
}
func (stmt *mysqlStmt) Exec(args []driver.Value) (driver.Result, error) {
if stmt.mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
// Send command
err := stmt.writeExecutePacket(args)
if err != nil {
return nil, stmt.mc.markBadConn(err)
}
mc := stmt.mc
mc.affectedRows = 0
mc.insertId = 0
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err != nil {
return nil, err
}
if resLen > 0 {
// Columns
if err = mc.readUntilEOF(); err != nil {
return nil, err
}
// Rows
if err := mc.readUntilEOF(); err != nil {
return nil, err
}
}
if err := mc.discardResults(); err != nil {
return nil, err
}
return &mysqlResult{
affectedRows: int64(mc.affectedRows),
insertId: int64(mc.insertId),
}, nil
}
func (stmt *mysqlStmt) Query(args []driver.Value) (driver.Rows, error) {
return stmt.query(args)
}
func (stmt *mysqlStmt) query(args []driver.Value) (*binaryRows, error) {
if stmt.mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
// Send command
err := stmt.writeExecutePacket(args)
if err != nil {
return nil, stmt.mc.markBadConn(err)
}
mc := stmt.mc
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err != nil {
return nil, err
}
rows := new(binaryRows)
if resLen > 0 {
rows.mc = mc
rows.rs.columns, err = mc.readColumns(resLen)
} else {
rows.rs.done = true
switch err := rows.NextResultSet(); err {
case nil, io.EOF:
return rows, nil
default:
return nil, err
}
}
return rows, err
}
var jsonType = reflect.TypeOf(json.RawMessage{})
type converter struct{}
// ConvertValue mirrors the reference/default converter in database/sql/driver
// with _one_ exception. We support uint64 with their high bit and the default
// implementation does not. This function should be kept in sync with
// database/sql/driver defaultConverter.ConvertValue() except for that
// deliberate difference.
func (c converter) ConvertValue(v interface{}) (driver.Value, error) {
if driver.IsValue(v) {
return v, nil
}
if vr, ok := v.(driver.Valuer); ok {
sv, err := callValuerValue(vr)
if err != nil {
return nil, err
}
if driver.IsValue(sv) {
return sv, nil
}
// A value returend from the Valuer interface can be "a type handled by
// a database driver's NamedValueChecker interface" so we should accept
// uint64 here as well.
if u, ok := sv.(uint64); ok {
return u, nil
}
return nil, fmt.Errorf("non-Value type %T returned from Value", sv)
}
rv := reflect.ValueOf(v)
switch rv.Kind() {
case reflect.Ptr:
// indirect pointers
if rv.IsNil() {
return nil, nil
} else {
return c.ConvertValue(rv.Elem().Interface())
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return rv.Int(), nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return rv.Uint(), nil
case reflect.Float32, reflect.Float64:
return rv.Float(), nil
case reflect.Bool:
return rv.Bool(), nil
case reflect.Slice:
switch t := rv.Type(); {
case t == jsonType:
return v, nil
case t.Elem().Kind() == reflect.Uint8:
return rv.Bytes(), nil
default:
return nil, fmt.Errorf("unsupported type %T, a slice of %s", v, t.Elem().Kind())
}
case reflect.String:
return rv.String(), nil
}
return nil, fmt.Errorf("unsupported type %T, a %s", v, rv.Kind())
}
var valuerReflectType = reflect.TypeOf((*driver.Valuer)(nil)).Elem()
// callValuerValue returns vr.Value(), with one exception:
// If vr.Value is an auto-generated method on a pointer type and the
// pointer is nil, it would panic at runtime in the panicwrap
// method. Treat it like nil instead.
//
// This is so people can implement driver.Value on value types and
// still use nil pointers to those types to mean nil/NULL, just like
// string/*string.
//
// This is an exact copy of the same-named unexported function from the
// database/sql package.
func callValuerValue(vr driver.Valuer) (v driver.Value, err error) {
if rv := reflect.ValueOf(vr); rv.Kind() == reflect.Ptr &&
rv.IsNil() &&
rv.Type().Elem().Implements(valuerReflectType) {
return nil, nil
}
return vr.Value()
}

@ -1,31 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
type mysqlTx struct {
mc *mysqlConn
}
func (tx *mysqlTx) Commit() (err error) {
if tx.mc == nil || tx.mc.closed.IsSet() {
return ErrInvalidConn
}
err = tx.mc.exec("COMMIT")
tx.mc = nil
return
}
func (tx *mysqlTx) Rollback() (err error) {
if tx.mc == nil || tx.mc.closed.IsSet() {
return ErrInvalidConn
}
err = tx.mc.exec("ROLLBACK")
tx.mc = nil
return
}

@ -1,868 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"crypto/tls"
"database/sql"
"database/sql/driver"
"encoding/binary"
"errors"
"fmt"
"io"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
)
// Registry for custom tls.Configs
var (
tlsConfigLock sync.RWMutex
tlsConfigRegistry map[string]*tls.Config
)
// RegisterTLSConfig registers a custom tls.Config to be used with sql.Open.
// Use the key as a value in the DSN where tls=value.
//
// Note: The provided tls.Config is exclusively owned by the driver after
// registering it.
//
// rootCertPool := x509.NewCertPool()
// pem, err := ioutil.ReadFile("/path/ca-cert.pem")
// if err != nil {
// log.Fatal(err)
// }
// if ok := rootCertPool.AppendCertsFromPEM(pem); !ok {
// log.Fatal("Failed to append PEM.")
// }
// clientCert := make([]tls.Certificate, 0, 1)
// certs, err := tls.LoadX509KeyPair("/path/client-cert.pem", "/path/client-key.pem")
// if err != nil {
// log.Fatal(err)
// }
// clientCert = append(clientCert, certs)
// mysql.RegisterTLSConfig("custom", &tls.Config{
// RootCAs: rootCertPool,
// Certificates: clientCert,
// })
// db, err := sql.Open("mysql", "user@tcp(localhost:3306)/test?tls=custom")
//
func RegisterTLSConfig(key string, config *tls.Config) error {
if _, isBool := readBool(key); isBool || strings.ToLower(key) == "skip-verify" || strings.ToLower(key) == "preferred" {
return fmt.Errorf("key '%s' is reserved", key)
}
tlsConfigLock.Lock()
if tlsConfigRegistry == nil {
tlsConfigRegistry = make(map[string]*tls.Config)
}
tlsConfigRegistry[key] = config
tlsConfigLock.Unlock()
return nil
}
// DeregisterTLSConfig removes the tls.Config associated with key.
func DeregisterTLSConfig(key string) {
tlsConfigLock.Lock()
if tlsConfigRegistry != nil {
delete(tlsConfigRegistry, key)
}
tlsConfigLock.Unlock()
}
func getTLSConfigClone(key string) (config *tls.Config) {
tlsConfigLock.RLock()
if v, ok := tlsConfigRegistry[key]; ok {
config = v.Clone()
}
tlsConfigLock.RUnlock()
return
}
// Returns the bool value of the input.
// The 2nd return value indicates if the input was a valid bool value
func readBool(input string) (value bool, valid bool) {
switch input {
case "1", "true", "TRUE", "True":
return true, true
case "0", "false", "FALSE", "False":
return false, true
}
// Not a valid bool value
return
}
/******************************************************************************
* Time related utils *
******************************************************************************/
func parseDateTime(b []byte, loc *time.Location) (time.Time, error) {
const base = "0000-00-00 00:00:00.000000"
switch len(b) {
case 10, 19, 21, 22, 23, 24, 25, 26: // up to "YYYY-MM-DD HH:MM:SS.MMMMMM"
if string(b) == base[:len(b)] {
return time.Time{}, nil
}
year, err := parseByteYear(b)
if err != nil {
return time.Time{}, err
}
if year <= 0 {
year = 1
}
if b[4] != '-' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[4])
}
m, err := parseByte2Digits(b[5], b[6])
if err != nil {
return time.Time{}, err
}
if m <= 0 {
m = 1
}
month := time.Month(m)
if b[7] != '-' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[7])
}
day, err := parseByte2Digits(b[8], b[9])
if err != nil {
return time.Time{}, err
}
if day <= 0 {
day = 1
}
if len(b) == 10 {
return time.Date(year, month, day, 0, 0, 0, 0, loc), nil
}
if b[10] != ' ' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[10])
}
hour, err := parseByte2Digits(b[11], b[12])
if err != nil {
return time.Time{}, err
}
if b[13] != ':' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[13])
}
min, err := parseByte2Digits(b[14], b[15])
if err != nil {
return time.Time{}, err
}
if b[16] != ':' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[16])
}
sec, err := parseByte2Digits(b[17], b[18])
if err != nil {
return time.Time{}, err
}
if len(b) == 19 {
return time.Date(year, month, day, hour, min, sec, 0, loc), nil
}
if b[19] != '.' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[19])
}
nsec, err := parseByteNanoSec(b[20:])
if err != nil {
return time.Time{}, err
}
return time.Date(year, month, day, hour, min, sec, nsec, loc), nil
default:
return time.Time{}, fmt.Errorf("invalid time bytes: %s", b)
}
}
func parseByteYear(b []byte) (int, error) {
year, n := 0, 1000
for i := 0; i < 4; i++ {
v, err := bToi(b[i])
if err != nil {
return 0, err
}
year += v * n
n = n / 10
}
return year, nil
}
func parseByte2Digits(b1, b2 byte) (int, error) {
d1, err := bToi(b1)
if err != nil {
return 0, err
}
d2, err := bToi(b2)
if err != nil {
return 0, err
}
return d1*10 + d2, nil
}
func parseByteNanoSec(b []byte) (int, error) {
ns, digit := 0, 100000 // max is 6-digits
for i := 0; i < len(b); i++ {
v, err := bToi(b[i])
if err != nil {
return 0, err
}
ns += v * digit
digit /= 10
}
// nanoseconds has 10-digits. (needs to scale digits)
// 10 - 6 = 4, so we have to multiple 1000.
return ns * 1000, nil
}
func bToi(b byte) (int, error) {
if b < '0' || b > '9' {
return 0, errors.New("not [0-9]")
}
return int(b - '0'), nil
}
func parseBinaryDateTime(num uint64, data []byte, loc *time.Location) (driver.Value, error) {
switch num {
case 0:
return time.Time{}, nil
case 4:
return time.Date(
int(binary.LittleEndian.Uint16(data[:2])), // year
time.Month(data[2]), // month
int(data[3]), // day
0, 0, 0, 0,
loc,
), nil
case 7:
return time.Date(
int(binary.LittleEndian.Uint16(data[:2])), // year
time.Month(data[2]), // month
int(data[3]), // day
int(data[4]), // hour
int(data[5]), // minutes
int(data[6]), // seconds
0,
loc,
), nil
case 11:
return time.Date(
int(binary.LittleEndian.Uint16(data[:2])), // year
time.Month(data[2]), // month
int(data[3]), // day
int(data[4]), // hour
int(data[5]), // minutes
int(data[6]), // seconds
int(binary.LittleEndian.Uint32(data[7:11]))*1000, // nanoseconds
loc,
), nil
}
return nil, fmt.Errorf("invalid DATETIME packet length %d", num)
}
func appendDateTime(buf []byte, t time.Time) ([]byte, error) {
year, month, day := t.Date()
hour, min, sec := t.Clock()
nsec := t.Nanosecond()
if year < 1 || year > 9999 {
return buf, errors.New("year is not in the range [1, 9999]: " + strconv.Itoa(year)) // use errors.New instead of fmt.Errorf to avoid year escape to heap
}
year100 := year / 100
year1 := year % 100
var localBuf [len("2006-01-02T15:04:05.999999999")]byte // does not escape
localBuf[0], localBuf[1], localBuf[2], localBuf[3] = digits10[year100], digits01[year100], digits10[year1], digits01[year1]
localBuf[4] = '-'
localBuf[5], localBuf[6] = digits10[month], digits01[month]
localBuf[7] = '-'
localBuf[8], localBuf[9] = digits10[day], digits01[day]
if hour == 0 && min == 0 && sec == 0 && nsec == 0 {
return append(buf, localBuf[:10]...), nil
}
localBuf[10] = ' '
localBuf[11], localBuf[12] = digits10[hour], digits01[hour]
localBuf[13] = ':'
localBuf[14], localBuf[15] = digits10[min], digits01[min]
localBuf[16] = ':'
localBuf[17], localBuf[18] = digits10[sec], digits01[sec]
if nsec == 0 {
return append(buf, localBuf[:19]...), nil
}
nsec100000000 := nsec / 100000000
nsec1000000 := (nsec / 1000000) % 100
nsec10000 := (nsec / 10000) % 100
nsec100 := (nsec / 100) % 100
nsec1 := nsec % 100
localBuf[19] = '.'
// milli second
localBuf[20], localBuf[21], localBuf[22] =
digits01[nsec100000000], digits10[nsec1000000], digits01[nsec1000000]
// micro second
localBuf[23], localBuf[24], localBuf[25] =
digits10[nsec10000], digits01[nsec10000], digits10[nsec100]
// nano second
localBuf[26], localBuf[27], localBuf[28] =
digits01[nsec100], digits10[nsec1], digits01[nsec1]
// trim trailing zeros
n := len(localBuf)
for n > 0 && localBuf[n-1] == '0' {
n--
}
return append(buf, localBuf[:n]...), nil
}
// zeroDateTime is used in formatBinaryDateTime to avoid an allocation
// if the DATE or DATETIME has the zero value.
// It must never be changed.
// The current behavior depends on database/sql copying the result.
var zeroDateTime = []byte("0000-00-00 00:00:00.000000")
const digits01 = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
const digits10 = "0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999"
func appendMicrosecs(dst, src []byte, decimals int) []byte {
if decimals <= 0 {
return dst
}
if len(src) == 0 {
return append(dst, ".000000"[:decimals+1]...)
}
microsecs := binary.LittleEndian.Uint32(src[:4])
p1 := byte(microsecs / 10000)
microsecs -= 10000 * uint32(p1)
p2 := byte(microsecs / 100)
microsecs -= 100 * uint32(p2)
p3 := byte(microsecs)
switch decimals {
default:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2], digits01[p2],
digits10[p3], digits01[p3],
)
case 1:
return append(dst, '.',
digits10[p1],
)
case 2:
return append(dst, '.',
digits10[p1], digits01[p1],
)
case 3:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2],
)
case 4:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2], digits01[p2],
)
case 5:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2], digits01[p2],
digits10[p3],
)
}
}
func formatBinaryDateTime(src []byte, length uint8) (driver.Value, error) {
// length expects the deterministic length of the zero value,
// negative time and 100+ hours are automatically added if needed
if len(src) == 0 {
return zeroDateTime[:length], nil
}
var dst []byte // return value
var p1, p2, p3 byte // current digit pair
switch length {
case 10, 19, 21, 22, 23, 24, 25, 26:
default:
t := "DATE"
if length > 10 {
t += "TIME"
}
return nil, fmt.Errorf("illegal %s length %d", t, length)
}
switch len(src) {
case 4, 7, 11:
default:
t := "DATE"
if length > 10 {
t += "TIME"
}
return nil, fmt.Errorf("illegal %s packet length %d", t, len(src))
}
dst = make([]byte, 0, length)
// start with the date
year := binary.LittleEndian.Uint16(src[:2])
pt := year / 100
p1 = byte(year - 100*uint16(pt))
p2, p3 = src[2], src[3]
dst = append(dst,
digits10[pt], digits01[pt],
digits10[p1], digits01[p1], '-',
digits10[p2], digits01[p2], '-',
digits10[p3], digits01[p3],
)
if length == 10 {
return dst, nil
}
if len(src) == 4 {
return append(dst, zeroDateTime[10:length]...), nil
}
dst = append(dst, ' ')
p1 = src[4] // hour
src = src[5:]
// p1 is 2-digit hour, src is after hour
p2, p3 = src[0], src[1]
dst = append(dst,
digits10[p1], digits01[p1], ':',
digits10[p2], digits01[p2], ':',
digits10[p3], digits01[p3],
)
return appendMicrosecs(dst, src[2:], int(length)-20), nil
}
func formatBinaryTime(src []byte, length uint8) (driver.Value, error) {
// length expects the deterministic length of the zero value,
// negative time and 100+ hours are automatically added if needed
if len(src) == 0 {
return zeroDateTime[11 : 11+length], nil
}
var dst []byte // return value
switch length {
case
8, // time (can be up to 10 when negative and 100+ hours)
10, 11, 12, 13, 14, 15: // time with fractional seconds
default:
return nil, fmt.Errorf("illegal TIME length %d", length)
}
switch len(src) {
case 8, 12:
default:
return nil, fmt.Errorf("invalid TIME packet length %d", len(src))
}
// +2 to enable negative time and 100+ hours
dst = make([]byte, 0, length+2)
if src[0] == 1 {
dst = append(dst, '-')
}
days := binary.LittleEndian.Uint32(src[1:5])
hours := int64(days)*24 + int64(src[5])
if hours >= 100 {
dst = strconv.AppendInt(dst, hours, 10)
} else {
dst = append(dst, digits10[hours], digits01[hours])
}
min, sec := src[6], src[7]
dst = append(dst, ':',
digits10[min], digits01[min], ':',
digits10[sec], digits01[sec],
)
return appendMicrosecs(dst, src[8:], int(length)-9), nil
}
/******************************************************************************
* Convert from and to bytes *
******************************************************************************/
func uint64ToBytes(n uint64) []byte {
return []byte{
byte(n),
byte(n >> 8),
byte(n >> 16),
byte(n >> 24),
byte(n >> 32),
byte(n >> 40),
byte(n >> 48),
byte(n >> 56),
}
}
func uint64ToString(n uint64) []byte {
var a [20]byte
i := 20
// U+0030 = 0
// ...
// U+0039 = 9
var q uint64
for n >= 10 {
i--
q = n / 10
a[i] = uint8(n-q*10) + 0x30
n = q
}
i--
a[i] = uint8(n) + 0x30
return a[i:]
}
// treats string value as unsigned integer representation
func stringToInt(b []byte) int {
val := 0
for i := range b {
val *= 10
val += int(b[i] - 0x30)
}
return val
}
// returns the string read as a bytes slice, wheter the value is NULL,
// the number of bytes read and an error, in case the string is longer than
// the input slice
func readLengthEncodedString(b []byte) ([]byte, bool, int, error) {
// Get length
num, isNull, n := readLengthEncodedInteger(b)
if num < 1 {
return b[n:n], isNull, n, nil
}
n += int(num)
// Check data length
if len(b) >= n {
return b[n-int(num) : n : n], false, n, nil
}
return nil, false, n, io.EOF
}
// returns the number of bytes skipped and an error, in case the string is
// longer than the input slice
func skipLengthEncodedString(b []byte) (int, error) {
// Get length
num, _, n := readLengthEncodedInteger(b)
if num < 1 {
return n, nil
}
n += int(num)
// Check data length
if len(b) >= n {
return n, nil
}
return n, io.EOF
}
// returns the number read, whether the value is NULL and the number of bytes read
func readLengthEncodedInteger(b []byte) (uint64, bool, int) {
// See issue #349
if len(b) == 0 {
return 0, true, 1
}
switch b[0] {
// 251: NULL
case 0xfb:
return 0, true, 1
// 252: value of following 2
case 0xfc:
return uint64(b[1]) | uint64(b[2])<<8, false, 3
// 253: value of following 3
case 0xfd:
return uint64(b[1]) | uint64(b[2])<<8 | uint64(b[3])<<16, false, 4
// 254: value of following 8
case 0xfe:
return uint64(b[1]) | uint64(b[2])<<8 | uint64(b[3])<<16 |
uint64(b[4])<<24 | uint64(b[5])<<32 | uint64(b[6])<<40 |
uint64(b[7])<<48 | uint64(b[8])<<56,
false, 9
}
// 0-250: value of first byte
return uint64(b[0]), false, 1
}
// encodes a uint64 value and appends it to the given bytes slice
func appendLengthEncodedInteger(b []byte, n uint64) []byte {
switch {
case n <= 250:
return append(b, byte(n))
case n <= 0xffff:
return append(b, 0xfc, byte(n), byte(n>>8))
case n <= 0xffffff:
return append(b, 0xfd, byte(n), byte(n>>8), byte(n>>16))
}
return append(b, 0xfe, byte(n), byte(n>>8), byte(n>>16), byte(n>>24),
byte(n>>32), byte(n>>40), byte(n>>48), byte(n>>56))
}
// reserveBuffer checks cap(buf) and expand buffer to len(buf) + appendSize.
// If cap(buf) is not enough, reallocate new buffer.
func reserveBuffer(buf []byte, appendSize int) []byte {
newSize := len(buf) + appendSize
if cap(buf) < newSize {
// Grow buffer exponentially
newBuf := make([]byte, len(buf)*2+appendSize)
copy(newBuf, buf)
buf = newBuf
}
return buf[:newSize]
}
// escapeBytesBackslash escapes []byte with backslashes (\)
// This escapes the contents of a string (provided as []byte) by adding backslashes before special
// characters, and turning others into specific escape sequences, such as
// turning newlines into \n and null bytes into \0.
// https://github.com/mysql/mysql-server/blob/mysql-5.7.5/mysys/charset.c#L823-L932
func escapeBytesBackslash(buf, v []byte) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for _, c := range v {
switch c {
case '\x00':
buf[pos] = '\\'
buf[pos+1] = '0'
pos += 2
case '\n':
buf[pos] = '\\'
buf[pos+1] = 'n'
pos += 2
case '\r':
buf[pos] = '\\'
buf[pos+1] = 'r'
pos += 2
case '\x1a':
buf[pos] = '\\'
buf[pos+1] = 'Z'
pos += 2
case '\'':
buf[pos] = '\\'
buf[pos+1] = '\''
pos += 2
case '"':
buf[pos] = '\\'
buf[pos+1] = '"'
pos += 2
case '\\':
buf[pos] = '\\'
buf[pos+1] = '\\'
pos += 2
default:
buf[pos] = c
pos++
}
}
return buf[:pos]
}
// escapeStringBackslash is similar to escapeBytesBackslash but for string.
func escapeStringBackslash(buf []byte, v string) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for i := 0; i < len(v); i++ {
c := v[i]
switch c {
case '\x00':
buf[pos] = '\\'
buf[pos+1] = '0'
pos += 2
case '\n':
buf[pos] = '\\'
buf[pos+1] = 'n'
pos += 2
case '\r':
buf[pos] = '\\'
buf[pos+1] = 'r'
pos += 2
case '\x1a':
buf[pos] = '\\'
buf[pos+1] = 'Z'
pos += 2
case '\'':
buf[pos] = '\\'
buf[pos+1] = '\''
pos += 2
case '"':
buf[pos] = '\\'
buf[pos+1] = '"'
pos += 2
case '\\':
buf[pos] = '\\'
buf[pos+1] = '\\'
pos += 2
default:
buf[pos] = c
pos++
}
}
return buf[:pos]
}
// escapeBytesQuotes escapes apostrophes in []byte by doubling them up.
// This escapes the contents of a string by doubling up any apostrophes that
// it contains. This is used when the NO_BACKSLASH_ESCAPES SQL_MODE is in
// effect on the server.
// https://github.com/mysql/mysql-server/blob/mysql-5.7.5/mysys/charset.c#L963-L1038
func escapeBytesQuotes(buf, v []byte) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for _, c := range v {
if c == '\'' {
buf[pos] = '\''
buf[pos+1] = '\''
pos += 2
} else {
buf[pos] = c
pos++
}
}
return buf[:pos]
}
// escapeStringQuotes is similar to escapeBytesQuotes but for string.
func escapeStringQuotes(buf []byte, v string) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for i := 0; i < len(v); i++ {
c := v[i]
if c == '\'' {
buf[pos] = '\''
buf[pos+1] = '\''
pos += 2
} else {
buf[pos] = c
pos++
}
}
return buf[:pos]
}
/******************************************************************************
* Sync utils *
******************************************************************************/
// noCopy may be embedded into structs which must not be copied
// after the first use.
//
// See https://github.com/golang/go/issues/8005#issuecomment-190753527
// for details.
type noCopy struct{}
// Lock is a no-op used by -copylocks checker from `go vet`.
func (*noCopy) Lock() {}
// atomicBool is a wrapper around uint32 for usage as a boolean value with
// atomic access.
type atomicBool struct {
_noCopy noCopy
value uint32
}
// IsSet returns whether the current boolean value is true
func (ab *atomicBool) IsSet() bool {
return atomic.LoadUint32(&ab.value) > 0
}
// Set sets the value of the bool regardless of the previous value
func (ab *atomicBool) Set(value bool) {
if value {
atomic.StoreUint32(&ab.value, 1)
} else {
atomic.StoreUint32(&ab.value, 0)
}
}
// TrySet sets the value of the bool and returns whether the value changed
func (ab *atomicBool) TrySet(value bool) bool {
if value {
return atomic.SwapUint32(&ab.value, 1) == 0
}
return atomic.SwapUint32(&ab.value, 0) > 0
}
// atomicError is a wrapper for atomically accessed error values
type atomicError struct {
_noCopy noCopy
value atomic.Value
}
// Set sets the error value regardless of the previous value.
// The value must not be nil
func (ae *atomicError) Set(value error) {
ae.value.Store(value)
}
// Value returns the current error value
func (ae *atomicError) Value() error {
if v := ae.value.Load(); v != nil {
// this will panic if the value doesn't implement the error interface
return v.(error)
}
return nil
}
func namedValueToValue(named []driver.NamedValue) ([]driver.Value, error) {
dargs := make([]driver.Value, len(named))
for n, param := range named {
if len(param.Name) > 0 {
// TODO: support the use of Named Parameters #561
return nil, errors.New("mysql: driver does not support the use of Named Parameters")
}
dargs[n] = param.Value
}
return dargs, nil
}
func mapIsolationLevel(level driver.IsolationLevel) (string, error) {
switch sql.IsolationLevel(level) {
case sql.LevelRepeatableRead:
return "REPEATABLE READ", nil
case sql.LevelReadCommitted:
return "READ COMMITTED", nil
case sql.LevelReadUncommitted:
return "READ UNCOMMITTED", nil
case sql.LevelSerializable:
return "SERIALIZABLE", nil
default:
return "", fmt.Errorf("mysql: unsupported isolation level: %v", level)
}
}

@ -1,21 +0,0 @@
The MIT License (MIT)
Copyright (c) 2015 - Jinzhu
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

@ -1,55 +0,0 @@
# Inflection
Inflection pluralizes and singularizes English nouns
[![wercker status](https://app.wercker.com/status/f8c7432b097d1f4ce636879670be0930/s/master "wercker status")](https://app.wercker.com/project/byKey/f8c7432b097d1f4ce636879670be0930)
## Basic Usage
```go
inflection.Plural("person") => "people"
inflection.Plural("Person") => "People"
inflection.Plural("PERSON") => "PEOPLE"
inflection.Plural("bus") => "buses"
inflection.Plural("BUS") => "BUSES"
inflection.Plural("Bus") => "Buses"
inflection.Singular("people") => "person"
inflection.Singular("People") => "Person"
inflection.Singular("PEOPLE") => "PERSON"
inflection.Singular("buses") => "bus"
inflection.Singular("BUSES") => "BUS"
inflection.Singular("Buses") => "Bus"
inflection.Plural("FancyPerson") => "FancyPeople"
inflection.Singular("FancyPeople") => "FancyPerson"
```
## Register Rules
Standard rules are from Rails's ActiveSupport (https://github.com/rails/rails/blob/master/activesupport/lib/active_support/inflections.rb)
If you want to register more rules, follow:
```
inflection.AddUncountable("fish")
inflection.AddIrregular("person", "people")
inflection.AddPlural("(bu)s$", "${1}ses") # "bus" => "buses" / "BUS" => "BUSES" / "Bus" => "Buses"
inflection.AddSingular("(bus)(es)?$", "${1}") # "buses" => "bus" / "Buses" => "Bus" / "BUSES" => "BUS"
```
## Contributing
You can help to make the project better, check out [http://gorm.io/contribute.html](http://gorm.io/contribute.html) for things you can do.
## Author
**jinzhu**
* <http://github.com/jinzhu>
* <wosmvp@gmail.com>
* <http://twitter.com/zhangjinzhu>
## License
Released under the [MIT License](http://www.opensource.org/licenses/MIT).

@ -1,273 +0,0 @@
/*
Package inflection pluralizes and singularizes English nouns.
inflection.Plural("person") => "people"
inflection.Plural("Person") => "People"
inflection.Plural("PERSON") => "PEOPLE"
inflection.Singular("people") => "person"
inflection.Singular("People") => "Person"
inflection.Singular("PEOPLE") => "PERSON"
inflection.Plural("FancyPerson") => "FancydPeople"
inflection.Singular("FancyPeople") => "FancydPerson"
Standard rules are from Rails's ActiveSupport (https://github.com/rails/rails/blob/master/activesupport/lib/active_support/inflections.rb)
If you want to register more rules, follow:
inflection.AddUncountable("fish")
inflection.AddIrregular("person", "people")
inflection.AddPlural("(bu)s$", "${1}ses") # "bus" => "buses" / "BUS" => "BUSES" / "Bus" => "Buses"
inflection.AddSingular("(bus)(es)?$", "${1}") # "buses" => "bus" / "Buses" => "Bus" / "BUSES" => "BUS"
*/
package inflection
import (
"regexp"
"strings"
)
type inflection struct {
regexp *regexp.Regexp
replace string
}
// Regular is a regexp find replace inflection
type Regular struct {
find string
replace string
}
// Irregular is a hard replace inflection,
// containing both singular and plural forms
type Irregular struct {
singular string
plural string
}
// RegularSlice is a slice of Regular inflections
type RegularSlice []Regular
// IrregularSlice is a slice of Irregular inflections
type IrregularSlice []Irregular
var pluralInflections = RegularSlice{
{"([a-z])$", "${1}s"},
{"s$", "s"},
{"^(ax|test)is$", "${1}es"},
{"(octop|vir)us$", "${1}i"},
{"(octop|vir)i$", "${1}i"},
{"(alias|status)$", "${1}es"},
{"(bu)s$", "${1}ses"},
{"(buffal|tomat)o$", "${1}oes"},
{"([ti])um$", "${1}a"},
{"([ti])a$", "${1}a"},
{"sis$", "ses"},
{"(?:([^f])fe|([lr])f)$", "${1}${2}ves"},
{"(hive)$", "${1}s"},
{"([^aeiouy]|qu)y$", "${1}ies"},
{"(x|ch|ss|sh)$", "${1}es"},
{"(matr|vert|ind)(?:ix|ex)$", "${1}ices"},
{"^(m|l)ouse$", "${1}ice"},
{"^(m|l)ice$", "${1}ice"},
{"^(ox)$", "${1}en"},
{"^(oxen)$", "${1}"},
{"(quiz)$", "${1}zes"},
}
var singularInflections = RegularSlice{
{"s$", ""},
{"(ss)$", "${1}"},
{"(n)ews$", "${1}ews"},
{"([ti])a$", "${1}um"},
{"((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)(sis|ses)$", "${1}sis"},
{"(^analy)(sis|ses)$", "${1}sis"},
{"([^f])ves$", "${1}fe"},
{"(hive)s$", "${1}"},
{"(tive)s$", "${1}"},
{"([lr])ves$", "${1}f"},
{"([^aeiouy]|qu)ies$", "${1}y"},
{"(s)eries$", "${1}eries"},
{"(m)ovies$", "${1}ovie"},
{"(c)ookies$", "${1}ookie"},
{"(x|ch|ss|sh)es$", "${1}"},
{"^(m|l)ice$", "${1}ouse"},
{"(bus)(es)?$", "${1}"},
{"(o)es$", "${1}"},
{"(shoe)s$", "${1}"},
{"(cris|test)(is|es)$", "${1}is"},
{"^(a)x[ie]s$", "${1}xis"},
{"(octop|vir)(us|i)$", "${1}us"},
{"(alias|status)(es)?$", "${1}"},
{"^(ox)en", "${1}"},
{"(vert|ind)ices$", "${1}ex"},
{"(matr)ices$", "${1}ix"},
{"(quiz)zes$", "${1}"},
{"(database)s$", "${1}"},
}
var irregularInflections = IrregularSlice{
{"person", "people"},
{"man", "men"},
{"child", "children"},
{"sex", "sexes"},
{"move", "moves"},
{"mombie", "mombies"},
}
var uncountableInflections = []string{"equipment", "information", "rice", "money", "species", "series", "fish", "sheep", "jeans", "police"}
var compiledPluralMaps []inflection
var compiledSingularMaps []inflection
func compile() {
compiledPluralMaps = []inflection{}
compiledSingularMaps = []inflection{}
for _, uncountable := range uncountableInflections {
inf := inflection{
regexp: regexp.MustCompile("^(?i)(" + uncountable + ")$"),
replace: "${1}",
}
compiledPluralMaps = append(compiledPluralMaps, inf)
compiledSingularMaps = append(compiledSingularMaps, inf)
}
for _, value := range irregularInflections {
infs := []inflection{
inflection{regexp: regexp.MustCompile(strings.ToUpper(value.singular) + "$"), replace: strings.ToUpper(value.plural)},
inflection{regexp: regexp.MustCompile(strings.Title(value.singular) + "$"), replace: strings.Title(value.plural)},
inflection{regexp: regexp.MustCompile(value.singular + "$"), replace: value.plural},
}
compiledPluralMaps = append(compiledPluralMaps, infs...)
}
for _, value := range irregularInflections {
infs := []inflection{
inflection{regexp: regexp.MustCompile(strings.ToUpper(value.plural) + "$"), replace: strings.ToUpper(value.singular)},
inflection{regexp: regexp.MustCompile(strings.Title(value.plural) + "$"), replace: strings.Title(value.singular)},
inflection{regexp: regexp.MustCompile(value.plural + "$"), replace: value.singular},
}
compiledSingularMaps = append(compiledSingularMaps, infs...)
}
for i := len(pluralInflections) - 1; i >= 0; i-- {
value := pluralInflections[i]
infs := []inflection{
inflection{regexp: regexp.MustCompile(strings.ToUpper(value.find)), replace: strings.ToUpper(value.replace)},
inflection{regexp: regexp.MustCompile(value.find), replace: value.replace},
inflection{regexp: regexp.MustCompile("(?i)" + value.find), replace: value.replace},
}
compiledPluralMaps = append(compiledPluralMaps, infs...)
}
for i := len(singularInflections) - 1; i >= 0; i-- {
value := singularInflections[i]
infs := []inflection{
inflection{regexp: regexp.MustCompile(strings.ToUpper(value.find)), replace: strings.ToUpper(value.replace)},
inflection{regexp: regexp.MustCompile(value.find), replace: value.replace},
inflection{regexp: regexp.MustCompile("(?i)" + value.find), replace: value.replace},
}
compiledSingularMaps = append(compiledSingularMaps, infs...)
}
}
func init() {
compile()
}
// AddPlural adds a plural inflection
func AddPlural(find, replace string) {
pluralInflections = append(pluralInflections, Regular{find, replace})
compile()
}
// AddSingular adds a singular inflection
func AddSingular(find, replace string) {
singularInflections = append(singularInflections, Regular{find, replace})
compile()
}
// AddIrregular adds an irregular inflection
func AddIrregular(singular, plural string) {
irregularInflections = append(irregularInflections, Irregular{singular, plural})
compile()
}
// AddUncountable adds an uncountable inflection
func AddUncountable(values ...string) {
uncountableInflections = append(uncountableInflections, values...)
compile()
}
// GetPlural retrieves the plural inflection values
func GetPlural() RegularSlice {
plurals := make(RegularSlice, len(pluralInflections))
copy(plurals, pluralInflections)
return plurals
}
// GetSingular retrieves the singular inflection values
func GetSingular() RegularSlice {
singulars := make(RegularSlice, len(singularInflections))
copy(singulars, singularInflections)
return singulars
}
// GetIrregular retrieves the irregular inflection values
func GetIrregular() IrregularSlice {
irregular := make(IrregularSlice, len(irregularInflections))
copy(irregular, irregularInflections)
return irregular
}
// GetUncountable retrieves the uncountable inflection values
func GetUncountable() []string {
uncountables := make([]string, len(uncountableInflections))
copy(uncountables, uncountableInflections)
return uncountables
}
// SetPlural sets the plural inflections slice
func SetPlural(inflections RegularSlice) {
pluralInflections = inflections
compile()
}
// SetSingular sets the singular inflections slice
func SetSingular(inflections RegularSlice) {
singularInflections = inflections
compile()
}
// SetIrregular sets the irregular inflections slice
func SetIrregular(inflections IrregularSlice) {
irregularInflections = inflections
compile()
}
// SetUncountable sets the uncountable inflections slice
func SetUncountable(inflections []string) {
uncountableInflections = inflections
compile()
}
// Plural converts a word to its plural form
func Plural(str string) string {
for _, inflection := range compiledPluralMaps {
if inflection.regexp.MatchString(str) {
return inflection.regexp.ReplaceAllString(str, inflection.replace)
}
}
return str
}
// Singular converts a word to its singular form
func Singular(str string) string {
for _, inflection := range compiledSingularMaps {
if inflection.regexp.MatchString(str) {
return inflection.regexp.ReplaceAllString(str, inflection.replace)
}
}
return str
}

@ -1,23 +0,0 @@
box: golang
build:
steps:
- setup-go-workspace
# Gets the dependencies
- script:
name: go get
code: |
go get
# Build the project
- script:
name: go build
code: |
go build ./...
# Test the project
- script:
name: go test
code: |
go test ./...

@ -1,3 +0,0 @@
guard 'gotest' do
watch(%r{\.go$})
end

@ -1,21 +0,0 @@
The MIT License (MIT)
Copyright (c) 2013-NOW Jinzhu <wosmvp@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

@ -1,137 +0,0 @@
## Now
Now is a time toolkit for golang
[![go report card](https://goreportcard.com/badge/github.com/jinzhu/now "go report card")](https://goreportcard.com/report/github.com/jinzhu/now)
[![test status](https://github.com/jinzhu/now/workflows/tests/badge.svg?branch=master "test status")](https://github.com/jinzhu/now/actions)
[![MIT license](https://img.shields.io/badge/license-MIT-brightgreen.svg)](https://opensource.org/licenses/MIT)
## Install
```
go get -u github.com/jinzhu/now
```
## Usage
Calculating time based on current time
```go
import "github.com/jinzhu/now"
time.Now() // 2013-11-18 17:51:49.123456789 Mon
now.BeginningOfMinute() // 2013-11-18 17:51:00 Mon
now.BeginningOfHour() // 2013-11-18 17:00:00 Mon
now.BeginningOfDay() // 2013-11-18 00:00:00 Mon
now.BeginningOfWeek() // 2013-11-17 00:00:00 Sun
now.BeginningOfMonth() // 2013-11-01 00:00:00 Fri
now.BeginningOfQuarter() // 2013-10-01 00:00:00 Tue
now.BeginningOfYear() // 2013-01-01 00:00:00 Tue
now.EndOfMinute() // 2013-11-18 17:51:59.999999999 Mon
now.EndOfHour() // 2013-11-18 17:59:59.999999999 Mon
now.EndOfDay() // 2013-11-18 23:59:59.999999999 Mon
now.EndOfWeek() // 2013-11-23 23:59:59.999999999 Sat
now.EndOfMonth() // 2013-11-30 23:59:59.999999999 Sat
now.EndOfQuarter() // 2013-12-31 23:59:59.999999999 Tue
now.EndOfYear() // 2013-12-31 23:59:59.999999999 Tue
now.WeekStartDay = time.Monday // Set Monday as first day, default is Sunday
now.EndOfWeek() // 2013-11-24 23:59:59.999999999 Sun
```
Calculating time based on another time
```go
t := time.Date(2013, 02, 18, 17, 51, 49, 123456789, time.Now().Location())
now.With(t).EndOfMonth() // 2013-02-28 23:59:59.999999999 Thu
```
Calculating time based on configuration
```go
location, err := time.LoadLocation("Asia/Shanghai")
myConfig := &now.Config{
WeekStartDay: time.Monday,
TimeLocation: location,
TimeFormats: []string{"2006-01-02 15:04:05"},
}
t := time.Date(2013, 11, 18, 17, 51, 49, 123456789, time.Now().Location()) // // 2013-11-18 17:51:49.123456789 Mon
myConfig.With(t).BeginningOfWeek() // 2013-11-18 00:00:00 Mon
myConfig.Parse("2002-10-12 22:14:01") // 2002-10-12 22:14:01
myConfig.Parse("2002-10-12 22:14") // returns error 'can't parse string as time: 2002-10-12 22:14'
```
### Monday/Sunday
Don't be bothered with the `WeekStartDay` setting, you can use `Monday`, `Sunday`
```go
now.Monday() // 2013-11-18 00:00:00 Mon
now.Monday("17:44") // 2013-11-18 17:44:00 Mon
now.Sunday() // 2013-11-24 00:00:00 Sun (Next Sunday)
now.Sunday("18:19:24") // 2013-11-24 18:19:24 Sun (Next Sunday)
now.EndOfSunday() // 2013-11-24 23:59:59.999999999 Sun (End of next Sunday)
t := time.Date(2013, 11, 24, 17, 51, 49, 123456789, time.Now().Location()) // 2013-11-24 17:51:49.123456789 Sun
now.With(t).Monday() // 2013-11-18 00:00:00 Mon (Last Monday if today is Sunday)
now.With(t).Monday("17:44") // 2013-11-18 17:44:00 Mon (Last Monday if today is Sunday)
now.With(t).Sunday() // 2013-11-24 00:00:00 Sun (Beginning Of Today if today is Sunday)
now.With(t).Sunday("18:19:24") // 2013-11-24 18:19:24 Sun (Beginning Of Today if today is Sunday)
now.With(t).EndOfSunday() // 2013-11-24 23:59:59.999999999 Sun (End of Today if today is Sunday)
```
### Parse String to Time
```go
time.Now() // 2013-11-18 17:51:49.123456789 Mon
// Parse(string) (time.Time, error)
t, err := now.Parse("2017") // 2017-01-01 00:00:00, nil
t, err := now.Parse("2017-10") // 2017-10-01 00:00:00, nil
t, err := now.Parse("2017-10-13") // 2017-10-13 00:00:00, nil
t, err := now.Parse("1999-12-12 12") // 1999-12-12 12:00:00, nil
t, err := now.Parse("1999-12-12 12:20") // 1999-12-12 12:20:00, nil
t, err := now.Parse("1999-12-12 12:20:21") // 1999-12-12 12:20:21, nil
t, err := now.Parse("10-13") // 2013-10-13 00:00:00, nil
t, err := now.Parse("12:20") // 2013-11-18 12:20:00, nil
t, err := now.Parse("12:20:13") // 2013-11-18 12:20:13, nil
t, err := now.Parse("14") // 2013-11-18 14:00:00, nil
t, err := now.Parse("99:99") // 2013-11-18 12:20:00, Can't parse string as time: 99:99
// MustParse must parse string to time or it will panic
now.MustParse("2013-01-13") // 2013-01-13 00:00:00
now.MustParse("02-17") // 2013-02-17 00:00:00
now.MustParse("2-17") // 2013-02-17 00:00:00
now.MustParse("8") // 2013-11-18 08:00:00
now.MustParse("2002-10-12 22:14") // 2002-10-12 22:14:00
now.MustParse("99:99") // panic: Can't parse string as time: 99:99
```
Extend `now` to support more formats is quite easy, just update `now.TimeFormats` with other time layouts, e.g:
```go
now.TimeFormats = append(now.TimeFormats, "02 Jan 2006 15:04")
```
Please send me pull requests if you want a format to be supported officially
## Contributing
You can help to make the project better, check out [http://gorm.io/contribute.html](http://gorm.io/contribute.html) for things you can do.
# Author
**jinzhu**
* <http://github.com/jinzhu>
* <wosmvp@gmail.com>
* <http://twitter.com/zhangjinzhu>
## License
Released under the [MIT License](http://www.opensource.org/licenses/MIT).

@ -1,200 +0,0 @@
// Package now is a time toolkit for golang.
//
// More details README here: https://github.com/jinzhu/now
//
// import "github.com/jinzhu/now"
//
// now.BeginningOfMinute() // 2013-11-18 17:51:00 Mon
// now.BeginningOfDay() // 2013-11-18 00:00:00 Mon
// now.EndOfDay() // 2013-11-18 23:59:59.999999999 Mon
package now
import "time"
// WeekStartDay set week start day, default is sunday
var WeekStartDay = time.Sunday
// TimeFormats default time formats will be parsed as
var TimeFormats = []string{
"2006", "2006-1", "2006-1-2", "2006-1-2 15", "2006-1-2 15:4", "2006-1-2 15:4:5", "1-2",
"15:4:5", "15:4", "15",
"15:4:5 Jan 2, 2006 MST", "2006-01-02 15:04:05.999999999 -0700 MST", "2006-01-02T15:04:05Z0700", "2006-01-02T15:04:05Z07",
"2006.1.2", "2006.1.2 15:04:05", "2006.01.02", "2006.01.02 15:04:05", "2006.01.02 15:04:05.999999999",
"1/2/2006", "1/2/2006 15:4:5", "2006/01/02", "20060102", "2006/01/02 15:04:05",
time.ANSIC, time.UnixDate, time.RubyDate, time.RFC822, time.RFC822Z, time.RFC850,
time.RFC1123, time.RFC1123Z, time.RFC3339, time.RFC3339Nano,
time.Kitchen, time.Stamp, time.StampMilli, time.StampMicro, time.StampNano,
}
// Config configuration for now package
type Config struct {
WeekStartDay time.Weekday
TimeLocation *time.Location
TimeFormats []string
}
// DefaultConfig default config
var DefaultConfig *Config
// New initialize Now based on configuration
func (config *Config) With(t time.Time) *Now {
return &Now{Time: t, Config: config}
}
// Parse parse string to time based on configuration
func (config *Config) Parse(strs ...string) (time.Time, error) {
if config.TimeLocation == nil {
return config.With(time.Now()).Parse(strs...)
} else {
return config.With(time.Now().In(config.TimeLocation)).Parse(strs...)
}
}
// MustParse must parse string to time or will panic
func (config *Config) MustParse(strs ...string) time.Time {
if config.TimeLocation == nil {
return config.With(time.Now()).MustParse(strs...)
} else {
return config.With(time.Now().In(config.TimeLocation)).MustParse(strs...)
}
}
// Now now struct
type Now struct {
time.Time
*Config
}
// With initialize Now with time
func With(t time.Time) *Now {
config := DefaultConfig
if config == nil {
config = &Config{
WeekStartDay: WeekStartDay,
TimeFormats: TimeFormats,
}
}
return &Now{Time: t, Config: config}
}
// New initialize Now with time
func New(t time.Time) *Now {
return With(t)
}
// BeginningOfMinute beginning of minute
func BeginningOfMinute() time.Time {
return With(time.Now()).BeginningOfMinute()
}
// BeginningOfHour beginning of hour
func BeginningOfHour() time.Time {
return With(time.Now()).BeginningOfHour()
}
// BeginningOfDay beginning of day
func BeginningOfDay() time.Time {
return With(time.Now()).BeginningOfDay()
}
// BeginningOfWeek beginning of week
func BeginningOfWeek() time.Time {
return With(time.Now()).BeginningOfWeek()
}
// BeginningOfMonth beginning of month
func BeginningOfMonth() time.Time {
return With(time.Now()).BeginningOfMonth()
}
// BeginningOfQuarter beginning of quarter
func BeginningOfQuarter() time.Time {
return With(time.Now()).BeginningOfQuarter()
}
// BeginningOfYear beginning of year
func BeginningOfYear() time.Time {
return With(time.Now()).BeginningOfYear()
}
// EndOfMinute end of minute
func EndOfMinute() time.Time {
return With(time.Now()).EndOfMinute()
}
// EndOfHour end of hour
func EndOfHour() time.Time {
return With(time.Now()).EndOfHour()
}
// EndOfDay end of day
func EndOfDay() time.Time {
return With(time.Now()).EndOfDay()
}
// EndOfWeek end of week
func EndOfWeek() time.Time {
return With(time.Now()).EndOfWeek()
}
// EndOfMonth end of month
func EndOfMonth() time.Time {
return With(time.Now()).EndOfMonth()
}
// EndOfQuarter end of quarter
func EndOfQuarter() time.Time {
return With(time.Now()).EndOfQuarter()
}
// EndOfYear end of year
func EndOfYear() time.Time {
return With(time.Now()).EndOfYear()
}
// Monday monday
func Monday(strs ...string) time.Time {
return With(time.Now()).Monday(strs...)
}
// Sunday sunday
func Sunday(strs ...string) time.Time {
return With(time.Now()).Sunday(strs...)
}
// EndOfSunday end of sunday
func EndOfSunday() time.Time {
return With(time.Now()).EndOfSunday()
}
// Quarter returns the yearly quarter
func Quarter() uint {
return With(time.Now()).Quarter()
}
// Parse parse string to time
func Parse(strs ...string) (time.Time, error) {
return With(time.Now()).Parse(strs...)
}
// ParseInLocation parse string to time in location
func ParseInLocation(loc *time.Location, strs ...string) (time.Time, error) {
return With(time.Now().In(loc)).Parse(strs...)
}
// MustParse must parse string to time or will panic
func MustParse(strs ...string) time.Time {
return With(time.Now()).MustParse(strs...)
}
// MustParseInLocation must parse string to time in location or will panic
func MustParseInLocation(loc *time.Location, strs ...string) time.Time {
return With(time.Now().In(loc)).MustParse(strs...)
}
// Between check now between the begin, end time or not
func Between(time1, time2 string) bool {
return With(time.Now()).Between(time1, time2)
}

245
vendor/github.com/jinzhu/now/now.go generated vendored

@ -1,245 +0,0 @@
package now
import (
"errors"
"regexp"
"time"
)
// BeginningOfMinute beginning of minute
func (now *Now) BeginningOfMinute() time.Time {
return now.Truncate(time.Minute)
}
// BeginningOfHour beginning of hour
func (now *Now) BeginningOfHour() time.Time {
y, m, d := now.Date()
return time.Date(y, m, d, now.Time.Hour(), 0, 0, 0, now.Time.Location())
}
// BeginningOfDay beginning of day
func (now *Now) BeginningOfDay() time.Time {
y, m, d := now.Date()
return time.Date(y, m, d, 0, 0, 0, 0, now.Time.Location())
}
// BeginningOfWeek beginning of week
func (now *Now) BeginningOfWeek() time.Time {
t := now.BeginningOfDay()
weekday := int(t.Weekday())
if now.WeekStartDay != time.Sunday {
weekStartDayInt := int(now.WeekStartDay)
if weekday < weekStartDayInt {
weekday = weekday + 7 - weekStartDayInt
} else {
weekday = weekday - weekStartDayInt
}
}
return t.AddDate(0, 0, -weekday)
}
// BeginningOfMonth beginning of month
func (now *Now) BeginningOfMonth() time.Time {
y, m, _ := now.Date()
return time.Date(y, m, 1, 0, 0, 0, 0, now.Location())
}
// BeginningOfQuarter beginning of quarter
func (now *Now) BeginningOfQuarter() time.Time {
month := now.BeginningOfMonth()
offset := (int(month.Month()) - 1) % 3
return month.AddDate(0, -offset, 0)
}
// BeginningOfHalf beginning of half year
func (now *Now) BeginningOfHalf() time.Time {
month := now.BeginningOfMonth()
offset := (int(month.Month()) - 1) % 6
return month.AddDate(0, -offset, 0)
}
// BeginningOfYear BeginningOfYear beginning of year
func (now *Now) BeginningOfYear() time.Time {
y, _, _ := now.Date()
return time.Date(y, time.January, 1, 0, 0, 0, 0, now.Location())
}
// EndOfMinute end of minute
func (now *Now) EndOfMinute() time.Time {
return now.BeginningOfMinute().Add(time.Minute - time.Nanosecond)
}
// EndOfHour end of hour
func (now *Now) EndOfHour() time.Time {
return now.BeginningOfHour().Add(time.Hour - time.Nanosecond)
}
// EndOfDay end of day
func (now *Now) EndOfDay() time.Time {
y, m, d := now.Date()
return time.Date(y, m, d, 23, 59, 59, int(time.Second-time.Nanosecond), now.Location())
}
// EndOfWeek end of week
func (now *Now) EndOfWeek() time.Time {
return now.BeginningOfWeek().AddDate(0, 0, 7).Add(-time.Nanosecond)
}
// EndOfMonth end of month
func (now *Now) EndOfMonth() time.Time {
return now.BeginningOfMonth().AddDate(0, 1, 0).Add(-time.Nanosecond)
}
// EndOfQuarter end of quarter
func (now *Now) EndOfQuarter() time.Time {
return now.BeginningOfQuarter().AddDate(0, 3, 0).Add(-time.Nanosecond)
}
// EndOfHalf end of half year
func (now *Now) EndOfHalf() time.Time {
return now.BeginningOfHalf().AddDate(0, 6, 0).Add(-time.Nanosecond)
}
// EndOfYear end of year
func (now *Now) EndOfYear() time.Time {
return now.BeginningOfYear().AddDate(1, 0, 0).Add(-time.Nanosecond)
}
// Monday monday
/*
func (now *Now) Monday() time.Time {
t := now.BeginningOfDay()
weekday := int(t.Weekday())
if weekday == 0 {
weekday = 7
}
return t.AddDate(0, 0, -weekday+1)
}
*/
func (now *Now) Monday(strs ...string) time.Time {
var parseTime time.Time
var err error
if len(strs) > 0 {
parseTime, err = now.Parse(strs...)
if err != nil {
panic(err)
}
} else {
parseTime = now.BeginningOfDay()
}
weekday := int(parseTime.Weekday())
if weekday == 0 {
weekday = 7
}
return parseTime.AddDate(0, 0, -weekday+1)
}
func (now *Now) Sunday(strs ...string) time.Time {
var parseTime time.Time
var err error
if len(strs) > 0 {
parseTime, err = now.Parse(strs...)
if err != nil {
panic(err)
}
} else {
parseTime = now.BeginningOfDay()
}
weekday := int(parseTime.Weekday())
if weekday == 0 {
weekday = 7
}
return parseTime.AddDate(0, 0, (7 - weekday))
}
// EndOfSunday end of sunday
func (now *Now) EndOfSunday() time.Time {
return New(now.Sunday()).EndOfDay()
}
// Quarter returns the yearly quarter
func (now *Now) Quarter() uint {
return (uint(now.Month())-1)/3 + 1
}
func (now *Now) parseWithFormat(str string, location *time.Location) (t time.Time, err error) {
for _, format := range now.TimeFormats {
t, err = time.ParseInLocation(format, str, location)
if err == nil {
return
}
}
err = errors.New("Can't parse string as time: " + str)
return
}
var hasTimeRegexp = regexp.MustCompile(`(\s+|^\s*|T)\d{1,2}((:\d{1,2})*|((:\d{1,2}){2}\.(\d{3}|\d{6}|\d{9})))(\s*$|[Z+-])`) // match 15:04:05, 15:04:05.000, 15:04:05.000000 15, 2017-01-01 15:04, 2021-07-20T00:59:10Z, 2021-07-20T00:59:10+08:00, 2021-07-20T00:00:10-07:00 etc
var onlyTimeRegexp = regexp.MustCompile(`^\s*\d{1,2}((:\d{1,2})*|((:\d{1,2}){2}\.(\d{3}|\d{6}|\d{9})))\s*$`) // match 15:04:05, 15, 15:04:05.000, 15:04:05.000000, etc
// Parse parse string to time
func (now *Now) Parse(strs ...string) (t time.Time, err error) {
var (
setCurrentTime bool
parseTime []int
currentLocation = now.Location()
onlyTimeInStr = true
currentTime = formatTimeToList(now.Time)
)
for _, str := range strs {
hasTimeInStr := hasTimeRegexp.MatchString(str) // match 15:04:05, 15
onlyTimeInStr = hasTimeInStr && onlyTimeInStr && onlyTimeRegexp.MatchString(str)
if t, err = now.parseWithFormat(str, currentLocation); err == nil {
location := t.Location()
parseTime = formatTimeToList(t)
for i, v := range parseTime {
// Don't reset hour, minute, second if current time str including time
if hasTimeInStr && i <= 3 {
continue
}
// If value is zero, replace it with current time
if v == 0 {
if setCurrentTime {
parseTime[i] = currentTime[i]
}
} else {
setCurrentTime = true
}
// if current time only includes time, should change day, month to current time
if onlyTimeInStr {
if i == 4 || i == 5 {
parseTime[i] = currentTime[i]
continue
}
}
}
t = time.Date(parseTime[6], time.Month(parseTime[5]), parseTime[4], parseTime[3], parseTime[2], parseTime[1], parseTime[0], location)
currentTime = formatTimeToList(t)
}
}
return
}
// MustParse must parse string to time or it will panic
func (now *Now) MustParse(strs ...string) (t time.Time) {
t, err := now.Parse(strs...)
if err != nil {
panic(err)
}
return t
}
// Between check time between the begin, end time or not
func (now *Now) Between(begin, end string) bool {
beginTime := now.MustParse(begin)
endTime := now.MustParse(end)
return now.After(beginTime) && now.Before(endTime)
}

@ -1,9 +0,0 @@
package now
import "time"
func formatTimeToList(t time.Time) []int {
hour, min, sec := t.Clock()
year, month, day := t.Date()
return []int{t.Nanosecond(), sec, min, hour, day, int(month), year}
}

@ -1,23 +0,0 @@
# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test

@ -1,6 +0,0 @@
language: go
go:
- 1.8
- 1.7
- 1.6

@ -1,21 +0,0 @@
The MIT License (MIT)
Copyright (c) 2014 Nate Finch
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

@ -1,179 +0,0 @@
# lumberjack [![GoDoc](https://godoc.org/gopkg.in/natefinch/lumberjack.v2?status.png)](https://godoc.org/gopkg.in/natefinch/lumberjack.v2) [![Build Status](https://travis-ci.org/natefinch/lumberjack.svg?branch=v2.0)](https://travis-ci.org/natefinch/lumberjack) [![Build status](https://ci.appveyor.com/api/projects/status/00gchpxtg4gkrt5d)](https://ci.appveyor.com/project/natefinch/lumberjack) [![Coverage Status](https://coveralls.io/repos/natefinch/lumberjack/badge.svg?branch=v2.0)](https://coveralls.io/r/natefinch/lumberjack?branch=v2.0)
### Lumberjack is a Go package for writing logs to rolling files.
Package lumberjack provides a rolling logger.
Note that this is v2.0 of lumberjack, and should be imported using gopkg.in
thusly:
import "gopkg.in/natefinch/lumberjack.v2"
The package name remains simply lumberjack, and the code resides at
https://github.com/natefinch/lumberjack under the v2.0 branch.
Lumberjack is intended to be one part of a logging infrastructure.
It is not an all-in-one solution, but instead is a pluggable
component at the bottom of the logging stack that simply controls the files
to which logs are written.
Lumberjack plays well with any logging package that can write to an
io.Writer, including the standard library's log package.
Lumberjack assumes that only one process is writing to the output files.
Using the same lumberjack configuration from multiple processes on the same
machine will result in improper behavior.
**Example**
To use lumberjack with the standard library's log package, just pass it into the SetOutput function when your application starts.
Code:
```go
log.SetOutput(&lumberjack.Logger{
Filename: "/var/log/myapp/foo.log",
MaxSize: 500, // megabytes
MaxBackups: 3,
MaxAge: 28, //days
Compress: true, // disabled by default
})
```
## type Logger
``` go
type Logger struct {
// Filename is the file to write logs to. Backup log files will be retained
// in the same directory. It uses <processname>-lumberjack.log in
// os.TempDir() if empty.
Filename string `json:"filename" yaml:"filename"`
// MaxSize is the maximum size in megabytes of the log file before it gets
// rotated. It defaults to 100 megabytes.
MaxSize int `json:"maxsize" yaml:"maxsize"`
// MaxAge is the maximum number of days to retain old log files based on the
// timestamp encoded in their filename. Note that a day is defined as 24
// hours and may not exactly correspond to calendar days due to daylight
// savings, leap seconds, etc. The default is not to remove old log files
// based on age.
MaxAge int `json:"maxage" yaml:"maxage"`
// MaxBackups is the maximum number of old log files to retain. The default
// is to retain all old log files (though MaxAge may still cause them to get
// deleted.)
MaxBackups int `json:"maxbackups" yaml:"maxbackups"`
// LocalTime determines if the time used for formatting the timestamps in
// backup files is the computer's local time. The default is to use UTC
// time.
LocalTime bool `json:"localtime" yaml:"localtime"`
// Compress determines if the rotated log files should be compressed
// using gzip. The default is not to perform compression.
Compress bool `json:"compress" yaml:"compress"`
// contains filtered or unexported fields
}
```
Logger is an io.WriteCloser that writes to the specified filename.
Logger opens or creates the logfile on first Write. If the file exists and
is less than MaxSize megabytes, lumberjack will open and append to that file.
If the file exists and its size is >= MaxSize megabytes, the file is renamed
by putting the current time in a timestamp in the name immediately before the
file's extension (or the end of the filename if there's no extension). A new
log file is then created using original filename.
Whenever a write would cause the current log file exceed MaxSize megabytes,
the current file is closed, renamed, and a new log file created with the
original name. Thus, the filename you give Logger is always the "current" log
file.
Backups use the log file name given to Logger, in the form `name-timestamp.ext`
where name is the filename without the extension, timestamp is the time at which
the log was rotated formatted with the time.Time format of
`2006-01-02T15-04-05.000` and the extension is the original extension. For
example, if your Logger.Filename is `/var/log/foo/server.log`, a backup created
at 6:30pm on Nov 11 2016 would use the filename
`/var/log/foo/server-2016-11-04T18-30-00.000.log`
### Cleaning Up Old Log Files
Whenever a new logfile gets created, old log files may be deleted. The most
recent files according to the encoded timestamp will be retained, up to a
number equal to MaxBackups (or all of them if MaxBackups is 0). Any files
with an encoded timestamp older than MaxAge days are deleted, regardless of
MaxBackups. Note that the time encoded in the timestamp is the rotation
time, which may differ from the last time that file was written to.
If MaxBackups and MaxAge are both 0, no old log files will be deleted.
### func (\*Logger) Close
``` go
func (l *Logger) Close() error
```
Close implements io.Closer, and closes the current logfile.
### func (\*Logger) Rotate
``` go
func (l *Logger) Rotate() error
```
Rotate causes Logger to close the existing log file and immediately create a
new one. This is a helper function for applications that want to initiate
rotations outside of the normal rotation rules, such as in response to
SIGHUP. After rotating, this initiates a cleanup of old log files according
to the normal rules.
**Example**
Example of how to rotate in response to SIGHUP.
Code:
```go
l := &lumberjack.Logger{}
log.SetOutput(l)
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGHUP)
go func() {
for {
<-c
l.Rotate()
}
}()
```
### func (\*Logger) Write
``` go
func (l *Logger) Write(p []byte) (n int, err error)
```
Write implements io.Writer. If a write would cause the log file to be larger
than MaxSize, the file is closed, renamed to include a timestamp of the
current time, and a new log file is created using the original log file name.
If the length of the write is greater than MaxSize, an error is returned.
- - -
Generated by [godoc2md](http://godoc.org/github.com/davecheney/godoc2md)

@ -1,11 +0,0 @@
// +build !linux
package lumberjack
import (
"os"
)
func chown(_ string, _ os.FileInfo) error {
return nil
}

@ -1,19 +0,0 @@
package lumberjack
import (
"os"
"syscall"
)
// os_Chown is a var so we can mock it out during tests.
var os_Chown = os.Chown
func chown(name string, info os.FileInfo) error {
f, err := os.OpenFile(name, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, info.Mode())
if err != nil {
return err
}
f.Close()
stat := info.Sys().(*syscall.Stat_t)
return os_Chown(name, int(stat.Uid), int(stat.Gid))
}

@ -1,541 +0,0 @@
// Package lumberjack provides a rolling logger.
//
// Note that this is v2.0 of lumberjack, and should be imported using gopkg.in
// thusly:
//
// import "gopkg.in/natefinch/lumberjack.v2"
//
// The package name remains simply lumberjack, and the code resides at
// https://github.com/natefinch/lumberjack under the v2.0 branch.
//
// Lumberjack is intended to be one part of a logging infrastructure.
// It is not an all-in-one solution, but instead is a pluggable
// component at the bottom of the logging stack that simply controls the files
// to which logs are written.
//
// Lumberjack plays well with any logging package that can write to an
// io.Writer, including the standard library's log package.
//
// Lumberjack assumes that only one process is writing to the output files.
// Using the same lumberjack configuration from multiple processes on the same
// machine will result in improper behavior.
package lumberjack
import (
"compress/gzip"
"errors"
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
"sort"
"strings"
"sync"
"time"
)
const (
backupTimeFormat = "2006-01-02T15-04-05.000"
compressSuffix = ".gz"
defaultMaxSize = 100
)
// ensure we always implement io.WriteCloser
var _ io.WriteCloser = (*Logger)(nil)
// Logger is an io.WriteCloser that writes to the specified filename.
//
// Logger opens or creates the logfile on first Write. If the file exists and
// is less than MaxSize megabytes, lumberjack will open and append to that file.
// If the file exists and its size is >= MaxSize megabytes, the file is renamed
// by putting the current time in a timestamp in the name immediately before the
// file's extension (or the end of the filename if there's no extension). A new
// log file is then created using original filename.
//
// Whenever a write would cause the current log file exceed MaxSize megabytes,
// the current file is closed, renamed, and a new log file created with the
// original name. Thus, the filename you give Logger is always the "current" log
// file.
//
// Backups use the log file name given to Logger, in the form
// `name-timestamp.ext` where name is the filename without the extension,
// timestamp is the time at which the log was rotated formatted with the
// time.Time format of `2006-01-02T15-04-05.000` and the extension is the
// original extension. For example, if your Logger.Filename is
// `/var/log/foo/server.log`, a backup created at 6:30pm on Nov 11 2016 would
// use the filename `/var/log/foo/server-2016-11-04T18-30-00.000.log`
//
// Cleaning Up Old Log Files
//
// Whenever a new logfile gets created, old log files may be deleted. The most
// recent files according to the encoded timestamp will be retained, up to a
// number equal to MaxBackups (or all of them if MaxBackups is 0). Any files
// with an encoded timestamp older than MaxAge days are deleted, regardless of
// MaxBackups. Note that the time encoded in the timestamp is the rotation
// time, which may differ from the last time that file was written to.
//
// If MaxBackups and MaxAge are both 0, no old log files will be deleted.
type Logger struct {
// Filename is the file to write logs to. Backup log files will be retained
// in the same directory. It uses <processname>-lumberjack.log in
// os.TempDir() if empty.
Filename string `json:"filename" yaml:"filename"`
// MaxSize is the maximum size in megabytes of the log file before it gets
// rotated. It defaults to 100 megabytes.
MaxSize int `json:"maxsize" yaml:"maxsize"`
// MaxAge is the maximum number of days to retain old log files based on the
// timestamp encoded in their filename. Note that a day is defined as 24
// hours and may not exactly correspond to calendar days due to daylight
// savings, leap seconds, etc. The default is not to remove old log files
// based on age.
MaxAge int `json:"maxage" yaml:"maxage"`
// MaxBackups is the maximum number of old log files to retain. The default
// is to retain all old log files (though MaxAge may still cause them to get
// deleted.)
MaxBackups int `json:"maxbackups" yaml:"maxbackups"`
// LocalTime determines if the time used for formatting the timestamps in
// backup files is the computer's local time. The default is to use UTC
// time.
LocalTime bool `json:"localtime" yaml:"localtime"`
// Compress determines if the rotated log files should be compressed
// using gzip. The default is not to perform compression.
Compress bool `json:"compress" yaml:"compress"`
size int64
file *os.File
mu sync.Mutex
millCh chan bool
startMill sync.Once
}
var (
// currentTime exists so it can be mocked out by tests.
currentTime = time.Now
// os_Stat exists so it can be mocked out by tests.
os_Stat = os.Stat
// megabyte is the conversion factor between MaxSize and bytes. It is a
// variable so tests can mock it out and not need to write megabytes of data
// to disk.
megabyte = 1024 * 1024
)
// Write implements io.Writer. If a write would cause the log file to be larger
// than MaxSize, the file is closed, renamed to include a timestamp of the
// current time, and a new log file is created using the original log file name.
// If the length of the write is greater than MaxSize, an error is returned.
func (l *Logger) Write(p []byte) (n int, err error) {
l.mu.Lock()
defer l.mu.Unlock()
writeLen := int64(len(p))
if writeLen > l.max() {
return 0, fmt.Errorf(
"write length %d exceeds maximum file size %d", writeLen, l.max(),
)
}
if l.file == nil {
if err = l.openExistingOrNew(len(p)); err != nil {
return 0, err
}
}
if l.size+writeLen > l.max() {
if err := l.rotate(); err != nil {
return 0, err
}
}
n, err = l.file.Write(p)
l.size += int64(n)
return n, err
}
// Close implements io.Closer, and closes the current logfile.
func (l *Logger) Close() error {
l.mu.Lock()
defer l.mu.Unlock()
return l.close()
}
// close closes the file if it is open.
func (l *Logger) close() error {
if l.file == nil {
return nil
}
err := l.file.Close()
l.file = nil
return err
}
// Rotate causes Logger to close the existing log file and immediately create a
// new one. This is a helper function for applications that want to initiate
// rotations outside of the normal rotation rules, such as in response to
// SIGHUP. After rotating, this initiates compression and removal of old log
// files according to the configuration.
func (l *Logger) Rotate() error {
l.mu.Lock()
defer l.mu.Unlock()
return l.rotate()
}
// rotate closes the current file, moves it aside with a timestamp in the name,
// (if it exists), opens a new file with the original filename, and then runs
// post-rotation processing and removal.
func (l *Logger) rotate() error {
if err := l.close(); err != nil {
return err
}
if err := l.openNew(); err != nil {
return err
}
l.mill()
return nil
}
// openNew opens a new log file for writing, moving any old log file out of the
// way. This methods assumes the file has already been closed.
func (l *Logger) openNew() error {
err := os.MkdirAll(l.dir(), 0744)
if err != nil {
return fmt.Errorf("can't make directories for new logfile: %s", err)
}
name := l.filename()
mode := os.FileMode(0644)
info, err := os_Stat(name)
if err == nil {
// Copy the mode off the old logfile.
mode = info.Mode()
// move the existing file
newname := backupName(name, l.LocalTime)
if err := os.Rename(name, newname); err != nil {
return fmt.Errorf("can't rename log file: %s", err)
}
// this is a no-op anywhere but linux
if err := chown(name, info); err != nil {
return err
}
}
// we use truncate here because this should only get called when we've moved
// the file ourselves. if someone else creates the file in the meantime,
// just wipe out the contents.
f, err := os.OpenFile(name, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, mode)
if err != nil {
return fmt.Errorf("can't open new logfile: %s", err)
}
l.file = f
l.size = 0
return nil
}
// backupName creates a new filename from the given name, inserting a timestamp
// between the filename and the extension, using the local time if requested
// (otherwise UTC).
func backupName(name string, local bool) string {
dir := filepath.Dir(name)
filename := filepath.Base(name)
ext := filepath.Ext(filename)
prefix := filename[:len(filename)-len(ext)]
t := currentTime()
if !local {
t = t.UTC()
}
timestamp := t.Format(backupTimeFormat)
return filepath.Join(dir, fmt.Sprintf("%s-%s%s", prefix, timestamp, ext))
}
// openExistingOrNew opens the logfile if it exists and if the current write
// would not put it over MaxSize. If there is no such file or the write would
// put it over the MaxSize, a new file is created.
func (l *Logger) openExistingOrNew(writeLen int) error {
l.mill()
filename := l.filename()
info, err := os_Stat(filename)
if os.IsNotExist(err) {
return l.openNew()
}
if err != nil {
return fmt.Errorf("error getting log file info: %s", err)
}
if info.Size()+int64(writeLen) >= l.max() {
return l.rotate()
}
file, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY, 0644)
if err != nil {
// if we fail to open the old log file for some reason, just ignore
// it and open a new log file.
return l.openNew()
}
l.file = file
l.size = info.Size()
return nil
}
// genFilename generates the name of the logfile from the current time.
func (l *Logger) filename() string {
if l.Filename != "" {
return l.Filename
}
name := filepath.Base(os.Args[0]) + "-lumberjack.log"
return filepath.Join(os.TempDir(), name)
}
// millRunOnce performs compression and removal of stale log files.
// Log files are compressed if enabled via configuration and old log
// files are removed, keeping at most l.MaxBackups files, as long as
// none of them are older than MaxAge.
func (l *Logger) millRunOnce() error {
if l.MaxBackups == 0 && l.MaxAge == 0 && !l.Compress {
return nil
}
files, err := l.oldLogFiles()
if err != nil {
return err
}
var compress, remove []logInfo
if l.MaxBackups > 0 && l.MaxBackups < len(files) {
preserved := make(map[string]bool)
var remaining []logInfo
for _, f := range files {
// Only count the uncompressed log file or the
// compressed log file, not both.
fn := f.Name()
if strings.HasSuffix(fn, compressSuffix) {
fn = fn[:len(fn)-len(compressSuffix)]
}
preserved[fn] = true
if len(preserved) > l.MaxBackups {
remove = append(remove, f)
} else {
remaining = append(remaining, f)
}
}
files = remaining
}
if l.MaxAge > 0 {
diff := time.Duration(int64(24*time.Hour) * int64(l.MaxAge))
cutoff := currentTime().Add(-1 * diff)
var remaining []logInfo
for _, f := range files {
if f.timestamp.Before(cutoff) {
remove = append(remove, f)
} else {
remaining = append(remaining, f)
}
}
files = remaining
}
if l.Compress {
for _, f := range files {
if !strings.HasSuffix(f.Name(), compressSuffix) {
compress = append(compress, f)
}
}
}
for _, f := range remove {
errRemove := os.Remove(filepath.Join(l.dir(), f.Name()))
if err == nil && errRemove != nil {
err = errRemove
}
}
for _, f := range compress {
fn := filepath.Join(l.dir(), f.Name())
errCompress := compressLogFile(fn, fn+compressSuffix)
if err == nil && errCompress != nil {
err = errCompress
}
}
return err
}
// millRun runs in a goroutine to manage post-rotation compression and removal
// of old log files.
func (l *Logger) millRun() {
for _ = range l.millCh {
// what am I going to do, log this?
_ = l.millRunOnce()
}
}
// mill performs post-rotation compression and removal of stale log files,
// starting the mill goroutine if necessary.
func (l *Logger) mill() {
l.startMill.Do(func() {
l.millCh = make(chan bool, 1)
go l.millRun()
})
select {
case l.millCh <- true:
default:
}
}
// oldLogFiles returns the list of backup log files stored in the same
// directory as the current log file, sorted by ModTime
func (l *Logger) oldLogFiles() ([]logInfo, error) {
files, err := ioutil.ReadDir(l.dir())
if err != nil {
return nil, fmt.Errorf("can't read log file directory: %s", err)
}
logFiles := []logInfo{}
prefix, ext := l.prefixAndExt()
for _, f := range files {
if f.IsDir() {
continue
}
if t, err := l.timeFromName(f.Name(), prefix, ext); err == nil {
logFiles = append(logFiles, logInfo{t, f})
continue
}
if t, err := l.timeFromName(f.Name(), prefix, ext+compressSuffix); err == nil {
logFiles = append(logFiles, logInfo{t, f})
continue
}
// error parsing means that the suffix at the end was not generated
// by lumberjack, and therefore it's not a backup file.
}
sort.Sort(byFormatTime(logFiles))
return logFiles, nil
}
// timeFromName extracts the formatted time from the filename by stripping off
// the filename's prefix and extension. This prevents someone's filename from
// confusing time.parse.
func (l *Logger) timeFromName(filename, prefix, ext string) (time.Time, error) {
if !strings.HasPrefix(filename, prefix) {
return time.Time{}, errors.New("mismatched prefix")
}
if !strings.HasSuffix(filename, ext) {
return time.Time{}, errors.New("mismatched extension")
}
ts := filename[len(prefix) : len(filename)-len(ext)]
return time.Parse(backupTimeFormat, ts)
}
// max returns the maximum size in bytes of log files before rolling.
func (l *Logger) max() int64 {
if l.MaxSize == 0 {
return int64(defaultMaxSize * megabyte)
}
return int64(l.MaxSize) * int64(megabyte)
}
// dir returns the directory for the current filename.
func (l *Logger) dir() string {
return filepath.Dir(l.filename())
}
// prefixAndExt returns the filename part and extension part from the Logger's
// filename.
func (l *Logger) prefixAndExt() (prefix, ext string) {
filename := filepath.Base(l.filename())
ext = filepath.Ext(filename)
prefix = filename[:len(filename)-len(ext)] + "-"
return prefix, ext
}
// compressLogFile compresses the given log file, removing the
// uncompressed log file if successful.
func compressLogFile(src, dst string) (err error) {
f, err := os.Open(src)
if err != nil {
return fmt.Errorf("failed to open log file: %v", err)
}
defer f.Close()
fi, err := os_Stat(src)
if err != nil {
return fmt.Errorf("failed to stat log file: %v", err)
}
if err := chown(dst, fi); err != nil {
return fmt.Errorf("failed to chown compressed log file: %v", err)
}
// If this file already exists, we presume it was created by
// a previous attempt to compress the log file.
gzf, err := os.OpenFile(dst, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, fi.Mode())
if err != nil {
return fmt.Errorf("failed to open compressed log file: %v", err)
}
defer gzf.Close()
gz := gzip.NewWriter(gzf)
defer func() {
if err != nil {
os.Remove(dst)
err = fmt.Errorf("failed to compress log file: %v", err)
}
}()
if _, err := io.Copy(gz, f); err != nil {
return err
}
if err := gz.Close(); err != nil {
return err
}
if err := gzf.Close(); err != nil {
return err
}
if err := f.Close(); err != nil {
return err
}
if err := os.Remove(src); err != nil {
return err
}
return nil
}
// logInfo is a convenience struct to return the filename and its embedded
// timestamp.
type logInfo struct {
timestamp time.Time
os.FileInfo
}
// byFormatTime sorts by newest time formatted in the name.
type byFormatTime []logInfo
func (b byFormatTime) Less(i, j int) bool {
return b[i].timestamp.After(b[j].timestamp)
}
func (b byFormatTime) Swap(i, j int) {
b[i], b[j] = b[j], b[i]
}
func (b byFormatTime) Len() int {
return len(b)
}

@ -1,21 +0,0 @@
MIT License
Copyright (c) 2018 Arran Walker
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

@ -1,68 +0,0 @@
# go7z
A native Go 7z archive reader.
Features:
- Development in early stages.
- Very little tests.
- Medium probability of crashes.
- Medium probability of using all memory.
- Decompresses:
- [LZMA](https://github.com/ulikunitz/xz)
- [LZMA2](https://github.com/ulikunitz/xz)
- Delta
- BCJ2
- bzip2
- deflate
## Usage
Extracting an archive:
```
package main
import (
"io"
"os"
"github.com/saracen/go7z"
)
func main() {
sz, err := go7z.OpenReader("hello.7z")
if err != nil {
panic(err)
}
defer sz.Close()
for {
hdr, err := sz.Next()
if err == io.EOF {
break // End of archive
}
if err != nil {
panic(err)
}
// If empty stream (no contents) and isn't specifically an empty file...
// then it's a directory.
if hdr.IsEmptyStream && !hdr.IsEmptyFile {
if err := os.MkdirAll(hdr.Name, os.ModePerm); err != nil {
panic(err)
}
continue
}
// Create file
f, err := os.Create(hdr.Name)
if err != nil {
panic(err)
}
defer f.Close()
if _, err := io.Copy(f, sz); err != nil {
panic(err)
}
}
}
```

@ -1,132 +0,0 @@
package filters
import (
"bytes"
"crypto/aes"
"crypto/cipher"
"crypto/sha256"
"encoding/binary"
"hash"
"io"
"strings"
"unicode/utf16"
)
var km keyManager
func init() {
km.cache = make(map[string][]byte)
km.hasher = sha256.New()
}
// AESDecrypter is an AES-256 decryptor.
type AESDecrypter struct {
r io.Reader
rbuf bytes.Buffer
cbc cipher.BlockMode
buf [aes.BlockSize]byte
}
type keyManager struct {
hasher hash.Hash
cache map[string][]byte
}
func (km *keyManager) Key(power int, salt []byte, password string) []byte {
var cacheKey strings.Builder
cacheKey.WriteString(password)
cacheKey.Write(salt)
cacheKey.WriteByte(byte(power))
key, ok := km.cache[cacheKey.String()]
if ok {
return key
}
b := bytes.NewBuffer(nil)
for _, p := range utf16.Encode([]rune(password)) {
binary.Write(b, binary.LittleEndian, p)
}
if power == 0x3f {
key = km.stretch(salt, b.Bytes())
} else {
key = km.sha256Stretch(power, salt, b.Bytes())
}
km.cache[cacheKey.String()] = key
return key
}
func (km *keyManager) stretch(salt, password []byte) []byte {
var key [aes.BlockSize]byte
var pos int
for pos = 0; pos < len(salt); pos++ {
key[pos] = salt[pos]
}
for i := 0; i < len(password) && pos < len(key); i++ {
key[pos] = password[i]
pos++
}
for ; pos < len(key); pos++ {
key[pos] = 0
}
return key[:]
}
func (km *keyManager) sha256Stretch(power int, salt, password []byte) []byte {
var temp [8]byte
for round := 0; round < 1<<power; round++ {
km.hasher.Write(salt)
km.hasher.Write(password)
km.hasher.Write(temp[:])
for i := 0; i < 8; i++ {
temp[i]++
if temp[i] != 0 {
break
}
}
}
defer km.hasher.Reset()
return km.hasher.Sum(nil)
}
// NewAESDecrypter returns a new AES-256 decryptor.
func NewAESDecrypter(r io.Reader, power int, salt, iv []byte, password string) (*AESDecrypter, error) {
key := km.Key(power, salt, password)
cb, err := aes.NewCipher(key)
if err != nil {
return nil, err
}
var aesiv [aes.BlockSize]byte
copy(aesiv[:], iv)
return &AESDecrypter{
r: r,
cbc: cipher.NewCBCDecrypter(cb, aesiv[:]),
}, nil
}
func (d *AESDecrypter) Read(p []byte) (int, error) {
for d.rbuf.Len() < len(p) {
_, err := d.r.Read(d.buf[:])
if err != nil {
return 0, err
}
d.cbc.CryptBlocks(d.buf[:], d.buf[:])
_, err = d.rbuf.Write(d.buf[:])
if err != nil {
return 0, err
}
}
n, err := d.rbuf.Read(p)
return n, err
}

@ -1,210 +0,0 @@
package filters
import (
"bufio"
"bytes"
"encoding/binary"
"io"
)
type rangeDecoder struct {
r io.Reader
nrange uint
code uint
}
func newRangeDecoder(r io.Reader) (*rangeDecoder, error) {
rd := &rangeDecoder{
r: r,
nrange: 0xffffffff,
}
for i := 0; i < 5; i++ {
b, err := rd.ReadByte()
if err != nil {
return nil, err
}
rd.code = (rd.code << 8) | uint(b)
}
return rd, nil
}
func (rd *rangeDecoder) ReadByte() (byte, error) {
var b [1]byte
_, err := rd.r.Read(b[:])
return b[0], err
}
const (
numMoveBits = 5
numbitModelTotalBits = 11
bitModelTotal = uint(1) << numbitModelTotalBits
numTopBits = 24
topValue = uint(1 << numTopBits)
)
type statusDecoder struct {
prob uint
}
func newStatusDecoder() *statusDecoder {
return &statusDecoder{prob: bitModelTotal / 2}
}
func (sd *statusDecoder) Decode(decoder *rangeDecoder) (uint, error) {
var err error
var b byte
newBound := (decoder.nrange >> numbitModelTotalBits) * sd.prob
if decoder.code < newBound {
decoder.nrange = newBound
sd.prob += (bitModelTotal - sd.prob) >> numMoveBits
if decoder.nrange < topValue {
if b, err = decoder.ReadByte(); err != nil {
return 0, err
}
decoder.code = (decoder.code << 8) | uint(b)
decoder.nrange <<= 8
}
return 0, nil
}
decoder.nrange -= newBound
decoder.code -= newBound
sd.prob -= sd.prob >> numMoveBits
if decoder.nrange < topValue {
if b, err = decoder.ReadByte(); err != nil {
return 0, err
}
decoder.code = (decoder.code << 8) | uint(b)
decoder.nrange <<= 8
}
return 1, nil
}
// BCJ2Decoder is a BCJ2 decoder.
type BCJ2Decoder struct {
main *bufio.Reader
call io.Reader
jump io.Reader
rangeDecoder *rangeDecoder
statusDecoder []*statusDecoder
written int64
finished bool
prevByte byte
buf *bytes.Buffer
}
// NewBCJ2Decoder returns a new BCJ2 decoder.
func NewBCJ2Decoder(main, call, jump, rangedecoder io.Reader, limit int64) (*BCJ2Decoder, error) {
rd, err := newRangeDecoder(rangedecoder)
if err != nil {
return nil, err
}
decoder := &BCJ2Decoder{
main: bufio.NewReader(main),
call: call,
jump: jump,
rangeDecoder: rd,
statusDecoder: make([]*statusDecoder, 256+2),
buf: new(bytes.Buffer),
}
decoder.buf.Grow(1 << 16)
for i := range decoder.statusDecoder {
decoder.statusDecoder[i] = newStatusDecoder()
}
return decoder, nil
}
func (d *BCJ2Decoder) isJcc(b0, b1 byte) bool {
return b0 == 0x0f && (b1&0xf0) == 0x80
}
func (d *BCJ2Decoder) isJ(b0, b1 byte) bool {
return (b1&0xfe) == 0xe8 || d.isJcc(b0, b1)
}
func (d *BCJ2Decoder) index(b0, b1 byte) int {
switch b1 {
case 0xe8:
return int(b0)
case 0xe9:
return 256
}
return 257
}
func (d *BCJ2Decoder) Read(p []byte) (int, error) {
err := d.read()
if err != nil && err != io.EOF {
return 0, err
}
return d.buf.Read(p)
}
func (d *BCJ2Decoder) read() error {
b := byte(0)
var err error
for i := 0; i < d.buf.Cap(); i++ {
b, err = d.main.ReadByte()
if err != nil {
return err
}
d.written++
if err = d.buf.WriteByte(b); err != nil {
return err
}
if d.isJ(d.prevByte, b) {
break
}
d.prevByte = b
}
if d.buf.Len() == d.buf.Cap() {
return nil
}
bit, err := d.statusDecoder[d.index(d.prevByte, b)].Decode(d.rangeDecoder)
if err != nil {
return err
}
if bit == 1 {
var r io.Reader
if b == 0xe8 {
r = d.call
} else {
r = d.jump
}
var dest uint32
if err = binary.Read(r, binary.BigEndian, &dest); err != nil {
return err
}
dest -= uint32(d.written + 4)
if err = binary.Write(d.buf, binary.LittleEndian, dest); err != nil {
return err
}
d.prevByte = byte(dest >> 24)
d.written += 4
} else {
d.prevByte = b
}
return nil
}

@ -1,45 +0,0 @@
package filters
import "io"
const deltaStateSize = 256
// DeltaDecoder is a Delta decoder.
type DeltaDecoder struct {
state [deltaStateSize]byte
r io.Reader
delta uint
}
// NewDeltaDecoder returns a new Delta decoder.
func NewDeltaDecoder(r io.Reader, delta uint, limit int64) (*DeltaDecoder, error) {
return &DeltaDecoder{r: r, delta: delta}, nil
}
func (d *DeltaDecoder) Read(p []byte) (int, error) {
n, err := d.r.Read(p)
if err != nil {
return n, err
}
var buf [deltaStateSize]byte
copy(buf[:], d.state[:d.delta])
var i, j uint
for i = 0; i < uint(n); {
for j = 0; j < d.delta && i < uint(n); i++ {
p[i] = buf[j] + p[i]
buf[j] = p[i]
j++
}
}
if j == d.delta {
j = 0
}
copy(d.state[:], buf[j:d.delta])
copy(d.state[d.delta-j:], buf[:j])
return n, err
}

@ -1,32 +0,0 @@
// +build gofuzz
package go7z
import (
"bytes"
"io"
"io/ioutil"
)
func Fuzz(data []byte) int {
sz := new(Reader)
if err := sz.init(bytes.NewReader(data), int64(len(data)), true); err != nil {
return 0
}
for {
_, err := sz.Next()
if err == io.EOF {
return 0
}
if err != nil {
return 0
}
if _, err = io.Copy(ioutil.Discard, sz); err != nil {
return 0
}
}
return 1
}

@ -1,25 +0,0 @@
package headers
import (
"encoding/binary"
"io"
)
// ReadDigests reads an array of uint32 CRCs.
func ReadDigests(r io.Reader, length int) ([]uint32, error) {
defined, _, err := ReadOptionalBoolVector(r, length)
if err != nil {
return nil, err
}
crcs := make([]uint32, length)
for i := range defined {
if defined[i] {
if err := binary.Read(r, binary.LittleEndian, &crcs[i]); err != nil {
return nil, err
}
}
}
return crcs, nil
}

@ -1,159 +0,0 @@
package headers
import (
"encoding/binary"
"errors"
"io"
"time"
"unicode/utf16"
)
// ErrInvalidFileCount is returned when the file count read from the stream
// exceeds the caller supplied maxFileCount.
var ErrInvalidFileCount = errors.New("invalid file count")
// FileInfo is a structure containing the information of an archived file.
type FileInfo struct {
Name string
Attrib uint32
IsEmptyStream bool
IsEmptyFile bool
// Flag indicating a file should be removed upon extraction.
IsAntiFile bool
CreatedAt time.Time
AccessedAt time.Time
ModifiedAt time.Time
}
// ReadFilesInfo reads the files info structure.
func ReadFilesInfo(r io.Reader, maxFileCount int) ([]*FileInfo, error) {
numFiles, err := ReadNumberInt(r)
if err != nil {
return nil, err
}
if numFiles > maxFileCount {
return nil, ErrInvalidFileCount
}
fileInfo := make([]*FileInfo, numFiles)
for i := range fileInfo {
fileInfo[i] = &FileInfo{}
}
var numEmptyStreams int
for {
id, err := ReadByte(r)
if err != nil {
return nil, err
}
if id == k7zEnd {
return fileInfo, nil
}
size, err := ReadNumber(r)
if err != nil {
return nil, err
}
switch id {
case k7zEmptyStream:
var emptyStreams []bool
emptyStreams, numEmptyStreams, err = ReadBoolVector(r, numFiles)
if err != nil {
return nil, err
}
for i, fi := range fileInfo {
fi.IsEmptyStream = emptyStreams[i]
}
case k7zEmptyFile, k7zAnti:
files, _, err := ReadBoolVector(r, numEmptyStreams)
if err != nil {
return nil, err
}
idx := 0
for _, fi := range fileInfo {
if fi.IsEmptyStream {
switch id {
case k7zEmptyFile:
fi.IsEmptyFile = files[idx]
case k7zAnti:
fi.IsAntiFile = files[idx]
}
idx++
}
}
case k7zStartPos:
return nil, ErrUnexpectedPropertyID
case k7zCTime, k7zATime, k7zMTime:
times, err := ReadDateTimeVector(r, numFiles)
if err != nil {
return nil, err
}
for i, fi := range fileInfo {
switch id {
case k7zCTime:
fi.CreatedAt = times[i]
case k7zATime:
fi.AccessedAt = times[i]
case k7zMTime:
fi.ModifiedAt = times[i]
}
}
case k7zName:
external, err := ReadByte(r)
if err != nil {
return nil, err
}
switch external {
case 0:
for _, fi := range fileInfo {
var rune uint16
var name []uint16
for {
if err = binary.Read(r, binary.LittleEndian, &rune); err != nil {
return nil, err
}
if rune == 0 {
break
}
name = append(name, rune)
}
fi.Name = string(utf16.Decode(name))
}
default:
return nil, ErrAdditionalStreamsNotImplemented
}
case k7zWinAttributes:
attributes, err := ReadAttributeVector(r, numFiles)
if err != nil {
return nil, err
}
for i, fi := range fileInfo {
fi.Attrib = attributes[i]
}
case k7zDummy:
for i := uint64(0); i < size; i++ {
if _, err = ReadByte(r); err != nil {
return nil, err
}
}
default:
return nil, ErrUnexpectedPropertyID
}
}
}

@ -1,240 +0,0 @@
package headers
import (
"errors"
"io"
)
const (
// MaxInOutStreams is the maximum allowed stream inputs/outputs into/out
// of a coder.
MaxInOutStreams = 4
// MaxPropertyDataSize is the size in bytes supported for coder property data.
MaxPropertyDataSize = 128
// MaxCodersInFolder is the maximum number of coders allowed to be
// specified in a folder.
MaxCodersInFolder = 4
// MaxPackedStreamsInFolder is the maximum number of packed streams allowed
// to be in a folder.
MaxPackedStreamsInFolder = 4
)
var (
// ErrInvalidStreamCount is the error returned when the input/output stream
// count for a coder is <= 0 || > MaxInOutStreams.
ErrInvalidStreamCount = errors.New("invalid in/out stream count")
// ErrInvalidPropertyDataSize is the error returned when the property data
// size is <= 0 || > MaxInOutStreams.
ErrInvalidPropertyDataSize = errors.New("invalid property data size")
// ErrInvalidCoderInFolderCount is the error returned when the number of
// coders in a folder is <= 0 || > MaxCodersInFolder.
ErrInvalidCoderInFolderCount = errors.New("invalid coder in folder count")
// ErrInvalidPackedStreamsCount is the error returned when the number of
// packed streams exceeds MaxPackedStreamsInFolder
ErrInvalidPackedStreamsCount = errors.New("invalid packed streams count")
)
// Folder is a structure containing information on how a solid block was
// constructed.
type Folder struct {
CoderInfo []*CoderInfo
BindPairsInfo []*BindPairsInfo
PackedIndices []int
UnpackSizes []uint64
UnpackCRC uint32
}
// NumInStreamsTotal is the sum of inputs required by all codecs.
func (f *Folder) NumInStreamsTotal() int {
var count int
for i := range f.CoderInfo {
count += f.CoderInfo[i].NumInStreams
}
return count
}
// NumOutStreamsTotal is the sum of outputs required by all codecs.
func (f *Folder) NumOutStreamsTotal() int {
var count int
for i := range f.CoderInfo {
count += f.CoderInfo[i].NumOutStreams
}
return count
}
// FindBindPairForInStream returns the index of a bindpair by an in index.
func (f *Folder) FindBindPairForInStream(inStreamIndex int) int {
for i := range f.BindPairsInfo {
if f.BindPairsInfo[i].InIndex == inStreamIndex {
return i
}
}
return -1
}
// FindBindPairForOutStream returns the index of a bindpair by an out index.
func (f *Folder) FindBindPairForOutStream(outStreamIndex int) int {
for i := range f.BindPairsInfo {
if f.BindPairsInfo[i].OutIndex == outStreamIndex {
return i
}
}
return -1
}
// UnpackSize returns the final unpacked size of the folder.
func (f *Folder) UnpackSize() uint64 {
for i := range f.UnpackSizes {
if f.FindBindPairForOutStream(i) < 0 {
return f.UnpackSizes[i]
}
}
return 0
}
// ReadFolder reads a folder structure.
func ReadFolder(r io.Reader) (*Folder, error) {
var err error
folder := &Folder{}
numCoders, err := ReadNumberInt(r)
if err != nil {
return nil, err
}
if numCoders == 0 || numCoders > MaxCodersInFolder {
return nil, ErrInvalidCoderInFolderCount
}
folder.CoderInfo = make([]*CoderInfo, numCoders)
for i := range folder.CoderInfo {
if folder.CoderInfo[i], err = ReadCoderInfo(r); err != nil {
return nil, err
}
}
folder.BindPairsInfo = make([]*BindPairsInfo, numCoders-1)
for i := range folder.BindPairsInfo {
if folder.BindPairsInfo[i], err = ReadBindPairsInfo(r); err != nil {
return nil, err
}
}
numInStreamsTotal := folder.NumInStreamsTotal()
numPackedStreams := numInStreamsTotal - len(folder.BindPairsInfo)
if numPackedStreams > 1 {
if numPackedStreams > MaxPackedStreamsInFolder {
return nil, ErrInvalidPackedStreamsCount
}
folder.PackedIndices = make([]int, numPackedStreams)
for i := range folder.PackedIndices {
if folder.PackedIndices[i], err = ReadNumberInt(r); err != nil {
return nil, err
}
}
} else if numPackedStreams == 1 {
for i := 0; i < numInStreamsTotal; i++ {
if folder.FindBindPairForInStream(i) < 0 {
folder.PackedIndices = []int{i}
break
}
}
}
return folder, nil
}
// CoderInfo is a structure holding information about a codec.
type CoderInfo struct {
CodecID uint32
Properties []byte
NumInStreams int
NumOutStreams int
}
// ReadCoderInfo reads a coder info structure.
func ReadCoderInfo(r io.Reader) (*CoderInfo, error) {
attributes, err := ReadByte(r)
if err != nil {
return nil, err
}
coderInfo := &CoderInfo{}
codecIDSize := attributes & 0x0f
isComplexCoder := attributes&0x10 > 0
hasAttributes := attributes&0x20 > 0
if codecIDSize > 0 {
b := make([]byte, codecIDSize)
if _, err = r.Read(b); err != nil {
return nil, err
}
for i := codecIDSize; i > 0; i-- {
coderInfo.CodecID |= uint32(b[i-1]) << ((codecIDSize - i) * 8)
}
}
coderInfo.NumInStreams = 1
coderInfo.NumOutStreams = 1
if isComplexCoder {
if coderInfo.NumInStreams, err = ReadNumberInt(r); err != nil {
return nil, err
}
if coderInfo.NumInStreams == 0 || coderInfo.NumInStreams > MaxInOutStreams {
return nil, ErrInvalidStreamCount
}
if coderInfo.NumOutStreams, err = ReadNumberInt(r); err != nil {
return nil, err
}
if coderInfo.NumOutStreams == 0 || coderInfo.NumOutStreams > MaxInOutStreams {
return nil, ErrInvalidStreamCount
}
}
if hasAttributes {
size, err := ReadNumberInt(r)
if err != nil {
return nil, err
}
if size <= 0 || size > MaxPropertyDataSize {
return nil, ErrInvalidPropertyDataSize
}
coderInfo.Properties = make([]byte, size)
if _, err = r.Read(coderInfo.Properties); err != nil {
return nil, err
}
}
return coderInfo, nil
}
// BindPairsInfo is a structure that binds the in and out indexes of a codec.
type BindPairsInfo struct {
InIndex int
OutIndex int
}
// ReadBindPairsInfo reads a bindpairs info structure.
func ReadBindPairsInfo(r io.Reader) (*BindPairsInfo, error) {
bindPairsInfo := &BindPairsInfo{}
var err error
if bindPairsInfo.InIndex, err = ReadNumberInt(r); err != nil {
return nil, err
}
if bindPairsInfo.OutIndex, err = ReadNumberInt(r); err != nil {
return nil, err
}
return bindPairsInfo, nil
}

@ -1,152 +0,0 @@
package headers
import (
"bytes"
"encoding/binary"
"errors"
"hash/crc32"
"io"
)
const (
// SignatureHeader size is the size of the signature header.
SignatureHeaderSize = 32
// MaxHeaderSize is the maximum header size.
MaxHeaderSize = int64(1 << 62) // 4 exbibyte
)
var (
// MagicBytes is the magic bytes used in the 7z signature.
MagicBytes = [6]byte{0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C}
// ErrInvalidSignatureHeader is returned when signature header is invalid.
ErrInvalidSignatureHeader = errors.New("invalid signature header")
)
// SignatureHeader is the structure found at the top of 7z files.
type SignatureHeader struct {
Signature [6]byte
ArchiveVersion struct {
Major byte
Minor byte
}
StartHeaderCRC uint32
StartHeader struct {
NextHeaderOffset int64
NextHeaderSize int64
NextHeaderCRC uint32
}
}
// ReadSignatureHeader reads the signature header.
func ReadSignatureHeader(r io.Reader) (*SignatureHeader, error) {
var raw [SignatureHeaderSize]byte
_, err := r.Read(raw[:])
if err != nil {
return nil, err
}
var header SignatureHeader
copy(header.Signature[:], raw[:6])
if bytes.Compare(header.Signature[:], MagicBytes[:]) != 0 {
return nil, ErrInvalidSignatureHeader
}
header.ArchiveVersion.Major = raw[6]
header.ArchiveVersion.Minor = raw[7]
header.StartHeaderCRC = binary.LittleEndian.Uint32(raw[8:])
header.StartHeader.NextHeaderOffset = int64(binary.LittleEndian.Uint64(raw[12:]))
header.StartHeader.NextHeaderSize = int64(binary.LittleEndian.Uint64(raw[20:]))
header.StartHeader.NextHeaderCRC = binary.LittleEndian.Uint32(raw[28:])
if header.StartHeader.NextHeaderSize < 0 || header.StartHeader.NextHeaderSize > MaxHeaderSize {
return &header, ErrInvalidSignatureHeader
}
if crc32.ChecksumIEEE(raw[12:]) != header.StartHeaderCRC {
err = ErrChecksumMismatch
}
return &header, err
}
// Header is structure containing file and stream information.
type Header struct {
MainStreamsInfo *StreamsInfo
FilesInfo []*FileInfo
}
// ReadPackedStreamsForHeaders reads either a header or encoded header structure.
func ReadPackedStreamsForHeaders(r *io.LimitedReader) (header *Header, encodedHeader *StreamsInfo, err error) {
id, err := ReadByte(r)
if err != nil {
return nil, nil, err
}
switch id {
case k7zHeader:
if header, err = ReadHeader(r); err != nil && err != io.EOF {
return nil, nil, err
}
case k7zEncodedHeader:
if encodedHeader, err = ReadStreamsInfo(r); err != nil {
return nil, nil, err
}
case k7zEnd:
if header == nil && encodedHeader == nil {
return nil, nil, ErrUnexpectedPropertyID
}
break
default:
return nil, nil, ErrUnexpectedPropertyID
}
return header, encodedHeader, nil
}
// ReadHeader reads a header structure.
func ReadHeader(r *io.LimitedReader) (*Header, error) {
header := &Header{}
for {
id, err := ReadByte(r)
if err != nil {
return nil, err
}
switch id {
case k7zArchiveProperties:
return nil, ErrArchivePropertiesNotImplemented
case k7zAdditionalStreamsInfo:
return nil, ErrAdditionalStreamsNotImplemented
case k7zMainStreamsInfo:
if header.MainStreamsInfo, err = ReadStreamsInfo(r); err != nil {
return nil, err
}
case k7zFilesInfo:
// Limit the maximum amount of FileInfos that get allocated to size
// of the remaining header / 3
if header.FilesInfo, err = ReadFilesInfo(r, int(r.N)/3); err != nil {
return nil, err
}
case k7zEnd:
if header.MainStreamsInfo == nil {
return nil, ErrUnexpectedPropertyID
}
return header, nil
default:
return nil, ErrUnexpectedPropertyID
}
}
}

@ -1,51 +0,0 @@
package headers
import "io"
// PackInfo contains the pack stream sizes of the folders.
type PackInfo struct {
PackPos uint64
PackSizes []uint64
}
// ReadPackInfo reads a pack info structure.
func ReadPackInfo(r io.Reader) (*PackInfo, error) {
packInfo := &PackInfo{}
var err error
if packInfo.PackPos, err = ReadNumber(r); err != nil {
return nil, err
}
numPackStreams, err := ReadNumberInt(r)
if err != nil {
return nil, err
}
for {
id, err := ReadByte(r)
if err != nil {
return nil, err
}
switch id {
case k7zSize:
packInfo.PackSizes = make([]uint64, numPackStreams+1)
for i := 0; i < numPackStreams; i++ {
packInfo.PackSizes[i], err = ReadNumber(r)
if err != nil {
return nil, err
}
}
case k7zCRC:
return nil, ErrPackInfoCRCsNotImplemented
case k7zEnd:
return packInfo, nil
default:
return nil, ErrUnexpectedPropertyID
}
}
}

@ -1,262 +0,0 @@
package headers
import (
"encoding/binary"
"errors"
"io"
"time"
)
const (
k7zEnd = iota
k7zHeader
k7zArchiveProperties
k7zAdditionalStreamsInfo
k7zMainStreamsInfo
k7zFilesInfo
k7zPackInfo
k7zUnpackInfo
k7zSubStreamsInfo
k7zSize
k7zCRC
k7zFolder
k7zCodersUnpackSize
k7zNumUnpackStream
k7zEmptyStream
k7zEmptyFile
k7zAnti
k7zName
k7zCTime
k7zATime
k7zMTime
k7zWinAttributes
k7zComment
k7zEncodedHeader
k7zStartPos
k7zDummy
)
const MaxNumber = 0x7FFFFFFF
var (
// ErrUnexpectedPropertyID is returned when we read a property id that was
// either unexpected, or we don't support.
ErrUnexpectedPropertyID = errors.New("unexpected property id")
// ErrAdditionalStreamsNotImplemented is returned for archives using
// additional streams. These were apparently used in older versions of 7zip.
ErrAdditionalStreamsNotImplemented = errors.New("additional streams are not implemented")
// ErrArchivePropertiesNotImplemented is returned if archive properties
// structure is found. So far, this hasn't been used in any verison of 7zip.
ErrArchivePropertiesNotImplemented = errors.New("archive properties are not implemented")
// ErrChecksumMismatch is returned when a CRC check fails.
ErrChecksumMismatch = errors.New("checksum mismatch")
// ErrPackInfoCRCsNotImplemented is returned if a CRC property id is
// encountered whilst reading packinfo.
ErrPackInfoCRCsNotImplemented = errors.New("packinfo crcs are not implemented")
// ErrInvalidNumber is returned when a number read exceeds 0x7FFFFFFF
ErrInvalidNumber = errors.New("invalid number")
)
// ReadByte reads a single byte.
func ReadByte(r io.Reader) (byte, error) {
var val [1]byte
_, err := r.Read(val[:])
return val[0], err
}
// ReadByteExpect reads a byte to be expected, errors if unexpected.
func ReadByteExpect(r io.Reader, val byte) error {
value, err := ReadByte(r)
if err != nil {
return err
}
if value != val {
return ErrUnexpectedPropertyID
}
return nil
}
// ReadNumber reads a 7z encoded uint64.
func ReadNumber(r io.Reader) (uint64, error) {
first, err := ReadByte(r)
if err != nil {
return 0, err
}
var value uint64
mask := byte(0x80)
for i := uint64(0); i < 8; i++ {
if first&mask == 0 {
hp := uint64(first) & (uint64(mask) - 1)
value += hp << (i * 8)
return value, nil
}
val, err := ReadByte(r)
if err != nil {
return 0, err
}
value |= uint64(val) << (8 * i)
mask >>= 1
}
return value, nil
}
// ReadNumberInt is the same as ReadNumber, but cast to int.
func ReadNumberInt(r io.Reader) (int, error) {
u64, err := ReadNumber(r)
if u64 > MaxNumber {
return 0, ErrInvalidNumber
}
return int(u64), err
}
// ReadUint32 reads a uint32.
func ReadUint32(r io.Reader) (uint32, error) {
var v uint32
return v, binary.Read(r, binary.LittleEndian, &v)
}
// ReadUint64 reads a uint64.
func ReadUint64(r io.Reader) (uint64, error) {
var v uint64
return v, binary.Read(r, binary.LittleEndian, &v)
}
// ReadBoolVector reads a vector of boolean values.
func ReadBoolVector(r io.Reader, length int) ([]bool, int, error) {
var b byte
var mask byte
var err error
v := make([]bool, length)
count := 0
for i := range v {
if mask == 0 {
b, err = ReadByte(r)
if err != nil {
return nil, 0, err
}
mask = 0x80
}
v[i] = (b & mask) != 0
mask >>= 1
if v[i] {
count++
}
}
return v, count, nil
}
// ReadOptionalBoolVector reads a vector of boolean values if they're available,
// otherwise it returns an array of booleans all being true.
func ReadOptionalBoolVector(r io.Reader, length int) ([]bool, int, error) {
allDefined, err := ReadByte(r)
if err != nil {
return nil, 0, err
}
if allDefined == 0 {
return ReadBoolVector(r, length)
}
defined := make([]bool, length)
for i := range defined {
defined[i] = true
}
return defined, length, nil
}
// ReadNumberVector returns a vector of 7z encoded int64s.
func ReadNumberVector(r io.Reader, numFiles int) ([]*int64, error) {
defined, _, err := ReadOptionalBoolVector(r, numFiles)
if err != nil {
return nil, err
}
external, err := ReadByte(r)
if err != nil {
return nil, err
}
if external != 0 {
return nil, ErrAdditionalStreamsNotImplemented
}
numbers := make([]*int64, numFiles)
for i := 0; i < numFiles; i++ {
if defined[i] {
num, err := ReadUint64(r)
if err != nil {
return nil, err
}
val := int64(num)
numbers[i] = &val
} else {
numbers[i] = nil
}
}
return numbers, err
}
// ReadDateTimeVector reads a vector of datetime values.
func ReadDateTimeVector(r io.Reader, numFiles int) ([]time.Time, error) {
timestamps, err := ReadNumberVector(r, numFiles)
if err != nil {
return nil, err
}
times := make([]time.Time, len(timestamps))
for i := range times {
if timestamps[i] != nil {
nsec := *timestamps[i]
nsec -= 116444736000000000
nsec *= 100
times[i] = time.Unix(0, nsec)
}
}
return times, nil
}
// ReadAttributeVector reads a vector of uint32s.
func ReadAttributeVector(r io.Reader, numFiles int) ([]uint32, error) {
defined, _, err := ReadOptionalBoolVector(r, numFiles)
if err != nil {
return nil, err
}
external, err := ReadByte(r)
if err != nil {
return nil, err
}
if external != 0 {
return nil, ErrAdditionalStreamsNotImplemented
}
attributes := make([]uint32, numFiles)
for i := range attributes {
if defined[i] {
val, err := ReadUint32(r)
if err != nil {
return nil, err
}
attributes[i] = val
}
}
return attributes, nil
}

@ -1,143 +0,0 @@
package headers
import (
"io"
)
// StreamsInfo is a top-level structure of the 7z format.
type StreamsInfo struct {
PackInfo *PackInfo
UnpackInfo *UnpackInfo
SubStreamsInfo *SubStreamsInfo
}
// ReadStreamsInfo reads the streams info structure.
func ReadStreamsInfo(r io.Reader) (*StreamsInfo, error) {
streamsInfo := &StreamsInfo{}
for {
id, err := ReadByte(r)
if err != nil {
return nil, err
}
switch id {
case k7zPackInfo:
if streamsInfo.PackInfo, err = ReadPackInfo(r); err != nil {
return nil, err
}
case k7zUnpackInfo:
if streamsInfo.UnpackInfo, err = ReadUnpackInfo(r); err != nil {
return nil, err
}
case k7zSubStreamsInfo:
if streamsInfo.UnpackInfo == nil {
return nil, ErrUnexpectedPropertyID
}
if streamsInfo.SubStreamsInfo, err = ReadSubStreamsInfo(r, streamsInfo.UnpackInfo); err != nil {
return nil, err
}
case k7zEnd:
if streamsInfo.PackInfo == nil || streamsInfo.UnpackInfo == nil {
return nil, ErrUnexpectedPropertyID
}
return streamsInfo, nil
default:
return nil, ErrUnexpectedPropertyID
}
}
}
// SubStreamsInfo is a structure found within the StreamsInfo structure.
type SubStreamsInfo struct {
NumUnpackStreamsInFolders []int
UnpackSizes []uint64
Digests []uint32
}
// ReadSubStreamsInfo reads the substreams info structure.
func ReadSubStreamsInfo(r io.Reader, unpackInfo *UnpackInfo) (*SubStreamsInfo, error) {
id, err := ReadByte(r)
if err != nil {
return nil, err
}
subStreamInfo := &SubStreamsInfo{}
subStreamInfo.NumUnpackStreamsInFolders = make([]int, len(unpackInfo.Folders))
for i := range subStreamInfo.NumUnpackStreamsInFolders {
subStreamInfo.NumUnpackStreamsInFolders[i] = 1
}
if id == k7zNumUnpackStream {
for i := range subStreamInfo.NumUnpackStreamsInFolders {
if subStreamInfo.NumUnpackStreamsInFolders[i], err = ReadNumberInt(r); err != nil {
return nil, err
}
}
id, err = ReadByte(r)
if err != nil {
return nil, err
}
}
for i := range unpackInfo.Folders {
if subStreamInfo.NumUnpackStreamsInFolders[i] == 0 {
continue
}
var sum uint64
if id == k7zSize {
for j := 1; j < subStreamInfo.NumUnpackStreamsInFolders[i]; j++ {
size, err := ReadNumber(r)
if err != nil {
return nil, err
}
sum += size
subStreamInfo.UnpackSizes = append(subStreamInfo.UnpackSizes, size)
}
}
subStreamInfo.UnpackSizes = append(subStreamInfo.UnpackSizes, unpackInfo.Folders[i].UnpackSize()-uint64(sum))
}
if id == k7zSize {
id, err = ReadByte(r)
if err != nil {
return nil, err
}
}
numDigests := 0
for i := range unpackInfo.Folders {
numSubStreams := subStreamInfo.NumUnpackStreamsInFolders[i]
if numSubStreams > 1 || unpackInfo.Folders[i].UnpackCRC == 0 {
numDigests += int(numSubStreams)
}
}
if id == k7zCRC {
subStreamInfo.Digests, err = ReadDigests(r, numDigests)
if err != nil {
return nil, err
}
id, err = ReadByte(r)
if err != nil {
return nil, err
}
}
if id != k7zEnd {
return nil, ErrUnexpectedPropertyID
}
return subStreamInfo, nil
}

@ -1,89 +0,0 @@
package headers
import (
"errors"
"io"
)
const MaxFolderCount = 1 << 30
// ErrInvalidCountExceeded is returned when the folder count is
// < 0 || > MaxFolderCount
var ErrInvalidCountExceeded = errors.New("invalid folder count")
// UnpackInfo is a structure containing folders.
type UnpackInfo struct {
Folders []*Folder
}
// ReadUnpackInfo reads unpack info structures.
func ReadUnpackInfo(r io.Reader) (*UnpackInfo, error) {
err := ReadByteExpect(r, k7zFolder)
if err != nil {
return nil, err
}
numFolders, err := ReadNumberInt(r)
if err != nil {
return nil, err
}
if numFolders > MaxFolderCount {
return nil, ErrInvalidCountExceeded
}
unpackInfo := &UnpackInfo{}
external, err := ReadByte(r)
if err != nil {
return nil, err
}
switch external {
case 0:
unpackInfo.Folders = make([]*Folder, numFolders)
for i := range unpackInfo.Folders {
if unpackInfo.Folders[i], err = ReadFolder(r); err != nil {
return nil, err
}
}
default:
return nil, ErrAdditionalStreamsNotImplemented
}
if err = ReadByteExpect(r, k7zCodersUnpackSize); err != nil {
return nil, err
}
for _, folder := range unpackInfo.Folders {
folder.UnpackSizes = make([]uint64, folder.NumOutStreamsTotal())
for i := range folder.UnpackSizes {
if folder.UnpackSizes[i], err = ReadNumber(r); err != nil {
return nil, err
}
}
}
id, err := ReadByte(r)
if err != nil {
return nil, err
}
if id == k7zCRC {
crcs, err := ReadDigests(r, len(unpackInfo.Folders))
if err != nil {
return nil, err
}
for i := range unpackInfo.Folders {
unpackInfo.Folders[i].UnpackCRC = crcs[i]
}
id, err = ReadByte(r)
if err != nil {
return nil, err
}
}
if id != k7zEnd {
return nil, ErrUnexpectedPropertyID
}
return unpackInfo, nil
}

@ -1,377 +0,0 @@
package go7z
import (
"bufio"
"errors"
"fmt"
"hash/crc32"
"io"
"os"
"sync"
"github.com/saracen/go7z/headers"
"github.com/saracen/solidblock"
)
var (
// ErrNotSupported is returned when an unrecognized archive format is
// encountered.
ErrNotSupported = errors.New("not supported")
// ErrDecompressorNotFound is returned when a requested decompressor has not
// been registered.
ErrDecompressorNotFound = errors.New("decompressor not found")
)
// Reader is a 7z archive reader.
type Reader struct {
r *io.SectionReader
err error
header *headers.Header
folderIndex int
fileIndex int
emptyStream bool
folders []*folderReader
Options ReaderOptions
}
// ReaderOptions are optional options to configure a 7z archive reader.
type ReaderOptions struct {
password string
cb func() string
}
// SetPassword sets the password used for extraction.
func (o *ReaderOptions) SetPassword(password string) {
o.password = password
}
// SetPasswordCallback sets the callback thats used if a password is required,
// but wasn't supplied with SetPassword()
func (o *ReaderOptions) SetPasswordCallback(cb func() string) {
o.cb = cb
}
// Password returns the set password. This will call the password callback
// supplied to SetPasswordCallback() if no password is set.
func (o *ReaderOptions) Password() string {
if o.password != "" {
return o.password
}
if o.cb != nil {
o.password = o.cb()
}
return o.password
}
// ReadCloser provides an io.ReadCloser for the archive when opened with
// OpenReader.
type ReadCloser struct {
f *os.File
Reader
}
// Close closes the 7z file, rendering it unusable for I/O.
func (rc *ReadCloser) Close() error {
return rc.f.Close()
}
// OpenReader will open the 7z file specified by name and return a ReadCloser.
func OpenReader(name string) (*ReadCloser, error) {
f, err := os.Open(name)
if err != nil {
return nil, err
}
fi, err := f.Stat()
if err != nil {
f.Close()
return nil, err
}
r := new(ReadCloser)
if err := r.init(f, fi.Size(), false); err != nil {
f.Close()
return nil, err
}
r.f = f
return r, nil
}
// NewReader returns a new Reader reading from r, which is assumed to
// have the given size in bytes.
func NewReader(r io.ReaderAt, size int64) (*Reader, error) {
szr := new(Reader)
if err := szr.init(r, size, false); err != nil {
return nil, err
}
return szr, nil
}
func (sz *Reader) init(r io.ReaderAt, size int64, ignoreChecksumError bool) error {
sz.r = io.NewSectionReader(r, 0, size)
signatureHeader, err := headers.ReadSignatureHeader(sz.r)
if err != nil {
if !(ignoreChecksumError && err == headers.ErrChecksumMismatch) {
return err
}
}
if _, err := sz.r.Seek(signatureHeader.StartHeader.NextHeaderOffset, io.SeekCurrent); err != nil {
return err
}
if signatureHeader.StartHeader.NextHeaderSize > size-headers.SignatureHeaderSize {
return io.ErrUnexpectedEOF
}
crc := crc32.NewIEEE()
tee := io.TeeReader(bufio.NewReader(io.LimitReader(sz.r, signatureHeader.StartHeader.NextHeaderSize)), crc)
header, encoded, err := headers.ReadPackedStreamsForHeaders(&io.LimitedReader{tee, signatureHeader.StartHeader.NextHeaderSize})
if err != nil {
return err
}
if crc.Sum32() != signatureHeader.StartHeader.NextHeaderCRC {
if !ignoreChecksumError {
return headers.ErrChecksumMismatch
}
}
if encoded != nil {
folders, err := sz.extract(encoded)
if err != nil {
return err
}
if len(folders) != 1 {
return ErrNotSupported
}
if err = folders[0].Next(); err != nil {
return err
}
header, _, err = headers.ReadPackedStreamsForHeaders(&io.LimitedReader{folders[0].sb, folders[0].sb.Size()})
if err != nil {
return err
}
if err = folders[0].Next(); err != io.EOF {
return ErrNotSupported
}
}
if header == nil {
return ErrNotSupported
}
sz.header = header
sz.folders, err = sz.extract(sz.header.MainStreamsInfo)
return err
}
// Next advances to the next entry in the 7z archive.
//
// io.EOF is returned at the end of the input.
func (sz *Reader) Next() (*headers.FileInfo, error) {
if sz.err != nil {
return nil, sz.err
}
hdr, err := sz.next()
sz.err = err
return hdr, err
}
func (sz *Reader) nextFileInfo() *headers.FileInfo {
var fileInfo *headers.FileInfo
if sz.fileIndex < len(sz.header.FilesInfo) {
fileInfo = sz.header.FilesInfo[sz.fileIndex]
sz.fileIndex++
return fileInfo
}
return nil
}
func (sz *Reader) extract(streamsInfo *headers.StreamsInfo) ([]*folderReader, error) {
var sizes []uint64
var crcs []uint32
if streamsInfo.SubStreamsInfo != nil {
sizes = streamsInfo.SubStreamsInfo.UnpackSizes
crcs = streamsInfo.SubStreamsInfo.Digests
}
offset := int64(headers.SignatureHeaderSize)
offset += int64(streamsInfo.PackInfo.PackPos)
packedIndicesOffset := 0
var folders []*folderReader
for i, folder := range streamsInfo.UnpackInfo.Folders {
if len(folder.PackedIndices) == 0 {
folder.PackedIndices = []int{0}
}
fr := &folderReader{}
fr.inputs = make(map[int]io.Reader)
fr.binder = solidblock.Binder{}
// setup codecs
for j := range folder.CoderInfo {
coderInfo := folder.CoderInfo[j]
size := folder.UnpackSizes[j]
d := decompressor(coderInfo.CodecID)
if d == nil {
return folders, ErrDecompressorNotFound
}
fn := func(in []io.Reader) ([]io.Reader, error) {
r, err := d(in, coderInfo.Properties, size, &sz.Options)
return []io.Reader{r}, err
}
fr.binder.AddCodec(fn, coderInfo.NumInStreams, coderInfo.NumOutStreams)
}
// setup initial inputs
for index, input := range folder.PackedIndices {
if packedIndicesOffset+index >= len(streamsInfo.PackInfo.PackSizes) {
return nil, fmt.Errorf("folder references invalid packinfo")
}
size := int64(streamsInfo.PackInfo.PackSizes[packedIndicesOffset+index])
fr.inputs[input] = io.NewSectionReader(sz.r, offset, size)
offset += size
}
packedIndicesOffset += len(folder.PackedIndices)
// setup pairs
for _, bindPairsInfo := range folder.BindPairsInfo {
fr.binder.Pair(bindPairsInfo.InIndex, bindPairsInfo.OutIndex)
}
if streamsInfo.SubStreamsInfo != nil {
numUnpackStreamsInFolders := streamsInfo.SubStreamsInfo.NumUnpackStreamsInFolders
if i >= len(numUnpackStreamsInFolders) {
return nil, fmt.Errorf("folder references invalid unpack stream")
}
off := numUnpackStreamsInFolders[i]
if off > len(sizes) || off > len(crcs) {
return nil, fmt.Errorf("folder references invalid unpack size or digest")
}
fr.sizes = sizes[:off]
fr.crcs = crcs[:off]
sizes = sizes[len(fr.sizes):]
crcs = crcs[len(fr.crcs):]
} else {
fr.sizes = []uint64{folder.UnpackSize()}
fr.crcs = []uint32{folder.UnpackCRC}
}
folders = append(folders, fr)
}
return folders, nil
}
type folderReader struct {
binder solidblock.Binder
sizes []uint64
crcs []uint32
inputs map[int]io.Reader
bufs []*bufio.Reader
sb *solidblock.Solidblock
}
var bufioReaderPool = sync.Pool{
New: func() interface{} {
return bufio.NewReaderSize(nil, 32*1024)
},
}
func (fr *folderReader) Next() error {
if fr.sb == nil {
fr.bufs = make([]*bufio.Reader, 0, len(fr.inputs))
for in, r := range fr.inputs {
br := bufioReaderPool.Get().(*bufio.Reader)
br.Reset(r)
fr.bufs = append(fr.bufs, br)
fr.binder.Reader(br, in)
}
outputs, err := fr.binder.Outputs()
if err != nil {
return err
}
if len(outputs) != 1 {
return ErrNotSupported
}
if outputs[0] == nil {
return ErrNotSupported
}
fr.sb = solidblock.New(outputs[0], fr.sizes, fr.crcs)
}
return fr.sb.Next()
}
func (fr *folderReader) Close() error {
for _, buf := range fr.bufs {
bufioReaderPool.Put(buf)
}
fr.bufs = nil
return nil
}
func (sz *Reader) next() (*headers.FileInfo, error) {
fileInfo := sz.nextFileInfo()
if fileInfo == nil {
return nil, io.EOF
}
sz.emptyStream = fileInfo.IsEmptyStream
if sz.emptyStream {
return fileInfo, nil
}
if sz.folders[sz.folderIndex].Next() == io.EOF {
sz.folders[sz.folderIndex].Close()
sz.folderIndex++
if sz.folderIndex >= len(sz.folders) {
return nil, io.EOF
}
sz.folders[sz.folderIndex].Next()
}
return fileInfo, nil
}
// Read reads from the current file in the 7z archive.
// It returns (0, io.EOF) when it reaches the end of that file,
// until Next is called to advance to the next file.
func (sz *Reader) Read(p []byte) (int, error) {
if sz.err != nil {
return 0, sz.err
}
if sz.emptyStream {
return 0, io.EOF
}
n, err := sz.folders[sz.folderIndex].sb.Read(p)
if err != nil && err != io.EOF {
sz.err = err
}
return n, err
}

@ -1,129 +0,0 @@
package go7z
import (
"bytes"
"compress/bzip2"
"compress/flate"
"encoding/binary"
"io"
"sync"
"github.com/saracen/go7z/filters"
"github.com/ulikunitz/xz/lzma"
)
// Decompressor is a handler function called when a registered decompressor is
// initialized.
type Decompressor func(r []io.Reader, options []byte, unpackSize uint64, ro *ReaderOptions) (io.Reader, error)
var (
decompressors sync.Map // map[uint32]Decompressor
)
func init() {
// copy
RegisterDecompressor(0x00, Decompressor(func(r []io.Reader, options []byte, unpackSize uint64, ro *ReaderOptions) (io.Reader, error) {
if len(r) != 1 {
return nil, ErrNotSupported
}
return r[0], nil
}))
// delta
RegisterDecompressor(0x03, Decompressor(func(r []io.Reader, options []byte, unpackSize uint64, ro *ReaderOptions) (io.Reader, error) {
if len(r) != 1 || len(options) == 0 || len(options) > 1 {
return nil, ErrNotSupported
}
return filters.NewDeltaDecoder(r[0], uint(options[0])+1, int64(unpackSize))
}))
// lzma
RegisterDecompressor(0x030101, Decompressor(func(r []io.Reader, options []byte, unpackSize uint64, ro *ReaderOptions) (io.Reader, error) {
if len(r) != 1 {
return nil, ErrNotSupported
}
// We can't set options in the lzma decoder library, so instead we add
// a fake header
header := bytes.NewBuffer(options)
binary.Write(header, binary.LittleEndian, unpackSize)
return lzma.NewReader(io.MultiReader(header, r[0]))
}))
// lzma2
RegisterDecompressor(0x21, Decompressor(func(r []io.Reader, options []byte, unpackSize uint64, ro *ReaderOptions) (io.Reader, error) {
if len(r) != 1 {
return nil, ErrNotSupported
}
config := lzma.Reader2Config{}
if len(options) > 0 {
config.DictCap = int(2 | (options[0] & 1))
config.DictCap <<= (options[0] >> 1) + 11
}
return config.NewReader2(r[0])
}))
// bcj2
RegisterDecompressor(0x303011b, Decompressor(func(r []io.Reader, options []byte, unpackSize uint64, ro *ReaderOptions) (io.Reader, error) {
if len(r) != 4 {
return nil, ErrNotSupported
}
return filters.NewBCJ2Decoder(r[0], r[1], r[2], r[3], int64(unpackSize))
}))
// deflate
RegisterDecompressor(0x40108, Decompressor(func(r []io.Reader, options []byte, unpackSize uint64, ro *ReaderOptions) (io.Reader, error) {
if len(r) != 1 {
return nil, ErrNotSupported
}
return flate.NewReader(r[0]), nil
}))
// bzip2
RegisterDecompressor(0x40202, Decompressor(func(r []io.Reader, options []byte, unpackSize uint64, ro *ReaderOptions) (io.Reader, error) {
if len(r) != 1 {
return nil, ErrNotSupported
}
return bzip2.NewReader(r[0]), nil
}))
// AES
RegisterDecompressor(0x6f10701, Decompressor(func(r []io.Reader, options []byte, unpackSize uint64, ro *ReaderOptions) (io.Reader, error) {
if len(r) != 1 {
return nil, ErrNotSupported
}
if len(options) < 2 {
return nil, ErrNotSupported
}
saltSize := ((options[0] >> 7) & 1) + (options[1] >> 4)
ivSize := ((options[0] >> 6) & 1) + (options[1] & 0x0F)
power := int(options[0]) & 0x3f
options = options[2:]
salt := options[:saltSize]
iv := options[saltSize : saltSize+ivSize]
return filters.NewAESDecrypter(r[0], power, salt, iv, ro.Password())
}))
}
// RegisterDecompressor registers a decompressor.
func RegisterDecompressor(method uint32, dcomp Decompressor) {
if _, dup := decompressors.LoadOrStore(method, dcomp); dup {
panic("decompressor already registered")
}
}
func decompressor(method uint32) Decompressor {
di, ok := decompressors.Load(method)
if !ok {
return nil
}
return di.(Decompressor)
}

@ -1,159 +0,0 @@
# Solidblock
Solidblock is a Go library providing `io.Reader`s for solid compression and
codec binding/chaining.
## Solid Compression Reader
Wrapped around a compressed solid block of concatenated files, it provides
sequential access to the files:
```
// file contents
files := [][]byte{
[]byte("file 1\n"),
[]byte("file 2\n"),
}
// file metadata
var metadata struct {
sizes []uint64
crcs []uint32
}
metadata.sizes = []uint64{
uint64(len(files[0])),
uint64(len(files[1])),
}
metadata.crcs = []uint32{
crc32.ChecksumIEEE(files[0]),
crc32.ChecksumIEEE(files[1]),
}
// Concatenate files to compressed block
block := new(bytes.Buffer)
w := gzip.NewWriter(block)
w.Write(files[0])
w.Write(files[1])
w.Close()
// Open gzip reader to compressed block
r, err := gzip.NewReader(block)
if err != nil {
panic(err)
}
// Create a new solidblock reader
s := solidblock.New(r, metadata.sizes, metadata.crcs)
for {
err := s.Next()
if err == io.EOF {
break
}
if err != nil {
panic(err)
}
io.Copy(os.Stdout, s)
}
```
## Codec Binding
To improve compression, some codecs (such as BCJ2), split data up into multiple
streams that compress better individually. `solidblock.Binder` provides a simple
way to pair together the inputs and outputs of various codecs/readers.
For example:
```
func BCJ2Decoder(inputs []io.Reader) ([]io.Reader, error) {
// 1. take 4 input readers
// 2. do magic
// 3. return 1 reader
}
func GzipDecoder(inputs []io.Reader) ([]io.Reader, error) {
if len(inputs) != 1 {
panic("unsupported input configuration")
}
r, err := gzip.NewReader(inputs[0])
return []io.Reader{r}, nil
}
file, err := os.Open("file")
if err != nil {
panic(err)
}
// Assume file has 4 concatenated streams. 3 of the streams are from a BCJ2
// encoder, compressed to gzip streams. 1 is the 4th stream of the BCJ2 encoder,
// but left uncompressed.
streams := make([]io.Reader, 4)
streams[0] = io.NewSectionReader(file, 0, 100)
streams[1] = io.NewSectionReader(file, 101, 200)
streams[2] = io.NewSectionReader(file, 201, 300)
streams[3] = io.NewSectionReader(file, 301, 400)
// Create a new binder
binder := solidblock.NewBinder()
// Create gzip decompressors for the 4 initial input streams.
gzip0InputIDs, gzip0OutputIDs := binder.AddCodec(GzipDecoder, 1, 1)
gzip1InputIDs, gzip1OutputIDs := binder.AddCodec(GzipDecoder, 1, 1)
gzip2InputIDs, gzip2OutputIDs := binder.AddCodec(GzipDecoder, 1, 1)
// Create BCJ2 decoder for the 4 gzip decoded streams.
bcj2InputIDs, bcj2outputIDs := binder.AddCodec(BCJ2Decoder, 4, 1)
// Connect initial streams to gzip decoders
binder.Reader(streams[0], gzip0InputIDs[0])
binder.Reader(streams[1], gzip1InputIDs[0])
binder.Reader(streams[2], gzip2InputIDs[0])
// Connect 4th initial stream straight to 4th input of BCJ2 decoder.
binder.Reader(streams[3], bcj2InputIDs[3])
// Pair the 3 gzip output streams to the 1st, 2nd, 3rd input of BCJ2 decoder.
binder.Pair(gzip0OutputIDs[0], bcj2InputIDs[0])
binder.Pair(gzip1OutputIDs[0], bcj2InputIDs[1])
binder.Pair(gzip2OutputIDs[0], bcj2InputIDs[2])
// Create single output to read from
outputs, err := binder.Outputs()
if err != nil {
panic(err)
}
if len(outputs) != 1 {
panic("output should only contain one stream")
}
io.Copy(os.Stdout, outputs[0])
```
A picture says 60 lines of code...
```
+------------+
concatenated file |bcj2 decoder+--->io.Reader
+--------------------+ +-+--+--+--+-+
| | ^ ^ ^ ^
| +--------------+ | +------------+ | | | |
| |gzipped stream+------>gzip decoder+---+ | | |
| +--------------+ | +------------+ | | |
| | | | |
| +--------------+ | +------------+ | | |
| |gzipped stream+------>gzip decoder+------+ | |
| +--------------+ | +------------+ | |
| | | |
| +--------------+ | +------------+ | |
| |gzipped stream+------>gzip decoder+---------+ |
| +--------------+ | +------------+ |
| | |
| +--------------+ | |
| | uncompressed +--------------------------------+
| | stream | |
| +--------------+ |
| |
+--------------------+
```

@ -1,123 +0,0 @@
package solidblock
import (
"errors"
"fmt"
"io"
)
var (
// ErrInputIsUnbound is returned when an input hasn't been binded to either
// a reader/paired without an output.
ErrInputIsUnbound = errors.New("input is unbound")
// ErrUnexpectedOutputCount is returned when the amount of io.Readers
// returned from a codec handler doesn't match the amount specified when
// adding the codec.
ErrUnexpectedOutputCount = errors.New("unexpected output count")
)
type reader struct {
Name string
R io.Reader
}
type codec struct {
fn func([]io.Reader) ([]io.Reader, error)
inIndexes []int
outIndexes []int
}
// Binder holds information regarding codecs, their inputs/outputs and how they
// join together.
type Binder struct {
numInStreams int
numOutStreams int
in []*reader
out []*reader
codecs []*codec
}
// NewBinder returns a new binder.
func NewBinder() *Binder {
return &Binder{}
}
// AddCodec adds a handler function for processing information from input(s) and
// producing output(s).
func (b *Binder) AddCodec(fn func([]io.Reader) ([]io.Reader, error), inputs, outputs int) (in, out []int) {
c := &codec{fn: fn}
b.in = append(b.in, make([]*reader, inputs)...)
b.out = append(b.out, make([]*reader, outputs)...)
for i := 0; i < inputs; i++ {
c.inIndexes = append(c.inIndexes, b.numInStreams+i)
}
for i := 0; i < outputs; i++ {
c.outIndexes = append(c.outIndexes, b.numOutStreams+i)
}
b.numInStreams += inputs
b.numOutStreams += outputs
b.codecs = append(b.codecs, c)
return c.inIndexes, c.outIndexes
}
// Reader binds a reader to an in stream.
func (b *Binder) Reader(r io.Reader, in int) {
if in < 0 || in >= len(b.in) {
return
}
b.in[in] = &reader{fmt.Sprintf("In: %v", in), r}
}
// Pair pairs two streams, binding an in stream to an out stream.
func (b *Binder) Pair(in int, out int) {
if in < 0 || in >= len(b.in) || out < 0 || out >= len(b.out) {
return
}
if b.out[out] == nil {
b.out[out] = &reader{fmt.Sprintf("Bind %v:%v", in, out), nil}
}
b.in[in] = b.out[out]
}
// Outputs returns any unbound output readers to ready from.
func (b *Binder) Outputs() ([]io.Reader, error) {
var unbound []io.Reader
for i := range b.codecs {
var ins []io.Reader
for _, num := range b.codecs[i].inIndexes {
if b.in[num] == nil || b.in[num].R == nil {
return unbound, ErrInputIsUnbound
}
ins = append(ins, b.in[num].R)
}
outs, err := b.codecs[i].fn(ins)
if err != nil {
return nil, err
}
if len(outs) != len(b.codecs[i].outIndexes) {
return unbound, ErrUnexpectedOutputCount
}
for j, num := range b.codecs[i].outIndexes {
if b.out[num] == nil {
b.out[num] = &reader{fmt.Sprintf("Out %v", outs), nil}
unbound = append(unbound, outs[j])
}
b.out[num].R = outs[j]
}
}
return unbound, nil
}

@ -1,100 +0,0 @@
package solidblock
import (
"errors"
"hash"
"hash/crc32"
"io"
"io/ioutil"
)
var (
// ErrChecksumMismatch is returned when a file's crc check fails.
ErrChecksumMismatch = errors.New("checksum mismatch")
)
// Solidblock provides sequential access to files that have been concatenated
// into a single compressed data block.
type Solidblock struct {
sizes []uint64
crcs []uint32
base io.Reader
file io.Reader
crc hash.Hash32
target int
index int
}
// New returns a new solidblock reader.
func New(r io.Reader, sizes []uint64, crcs []uint32) *Solidblock {
if len(sizes) != len(crcs) {
panic("crcs slice needs to be the same length as sizes slice")
}
return &Solidblock{
sizes: sizes,
crcs: crcs,
target: -1,
base: r,
}
}
// Next advances to the next file entry in solid block.
//
// Calling Next without reading the current file is supported. Only when Read
// is called will decompression occur for current file. Any skipped files will
// still need to be decompressed, but their contents is discarded.
//
// io.EOF is returned at the end of the input.
func (fr *Solidblock) Next() error {
if fr.target < len(fr.sizes)-1 {
fr.target++
return nil
}
return io.EOF
}
// Read reads from the current file in solid block.
// It returns (0, io.EOF) when it reaches the end of that file,
// until Next is called to advance to the next file.
func (fr *Solidblock) Read(p []byte) (int, error) {
if fr.file != nil && fr.index != fr.target {
// drain current fileReader
_, err := io.Copy(ioutil.Discard, fr.file)
if err != nil {
return 0, err
}
}
if fr.file == nil || fr.index != fr.target {
// discard until we're at the position we want to be at
for i := fr.index + 1; i < fr.target; i++ {
_, err := io.CopyN(ioutil.Discard, fr.base, int64(fr.sizes[i]))
if err != nil {
return 0, err
}
}
fr.crc = crc32.NewIEEE()
fr.file = io.TeeReader(io.LimitReader(fr.base, int64(fr.sizes[fr.target])), fr.crc)
fr.index = fr.target
}
n, err := fr.file.Read(p)
if err == io.EOF {
if fr.crc.Sum32() != fr.crcs[fr.index] {
return n, ErrChecksumMismatch
}
}
return n, err
}
func (fr *Solidblock) Size() int64 {
if fr.target < 0 {
return 0
}
return int64(fr.sizes[fr.target])
}

@ -1,26 +0,0 @@
Copyright (c) 2014-2021 Ulrich Kunitz
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* My name, Ulrich Kunitz, may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

@ -1,181 +0,0 @@
// Copyright 2014-2021 Ulrich Kunitz. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package hash
// CyclicPoly provides a cyclic polynomial rolling hash.
type CyclicPoly struct {
h uint64
p []uint64
i int
}
// ror rotates the unsigned 64-bit integer to right. The argument s must be
// less than 64.
func ror(x uint64, s uint) uint64 {
return (x >> s) | (x << (64 - s))
}
// NewCyclicPoly creates a new instance of the CyclicPoly structure. The
// argument n gives the number of bytes for which a hash will be executed.
// This number must be positive; the method panics if this isn't the case.
func NewCyclicPoly(n int) *CyclicPoly {
if n < 1 {
panic("argument n must be positive")
}
return &CyclicPoly{p: make([]uint64, 0, n)}
}
// Len returns the length of the byte sequence for which a hash is generated.
func (r *CyclicPoly) Len() int {
return cap(r.p)
}
// RollByte hashes the next byte and returns a hash value. The complete becomes
// available after at least Len() bytes have been hashed.
func (r *CyclicPoly) RollByte(x byte) uint64 {
y := hash[x]
if len(r.p) < cap(r.p) {
r.h = ror(r.h, 1) ^ y
r.p = append(r.p, y)
} else {
r.h ^= ror(r.p[r.i], uint(cap(r.p)-1))
r.h = ror(r.h, 1) ^ y
r.p[r.i] = y
r.i = (r.i + 1) % cap(r.p)
}
return r.h
}
// Stores the hash for the individual bytes.
var hash = [256]uint64{
0x2e4fc3f904065142, 0xc790984cfbc99527,
0x879f95eb8c62f187, 0x3b61be86b5021ef2,
0x65a896a04196f0a5, 0xc5b307b80470b59e,
0xd3bff376a70df14b, 0xc332f04f0b3f1701,
0x753b5f0e9abf3e0d, 0xb41538fdfe66ef53,
0x1906a10c2c1c0208, 0xfb0c712a03421c0d,
0x38be311a65c9552b, 0xfee7ee4ca6445c7e,
0x71aadeded184f21e, 0xd73426fccda23b2d,
0x29773fb5fb9600b5, 0xce410261cd32981a,
0xfe2848b3c62dbc2d, 0x459eaaff6e43e11c,
0xc13e35fc9c73a887, 0xf30ed5c201e76dbc,
0xa5f10b3910482cea, 0x2945d59be02dfaad,
0x06ee334ff70571b5, 0xbabf9d8070f44380,
0xee3e2e9912ffd27c, 0x2a7118d1ea6b8ea7,
0x26183cb9f7b1664c, 0xea71dac7da068f21,
0xea92eca5bd1d0bb7, 0x415595862defcd75,
0x248a386023c60648, 0x9cf021ab284b3c8a,
0xfc9372df02870f6c, 0x2b92d693eeb3b3fc,
0x73e799d139dc6975, 0x7b15ae312486363c,
0xb70e5454a2239c80, 0x208e3fb31d3b2263,
0x01f563cabb930f44, 0x2ac4533d2a3240d8,
0x84231ed1064f6f7c, 0xa9f020977c2a6d19,
0x213c227271c20122, 0x09fe8a9a0a03d07a,
0x4236dc75bcaf910c, 0x460a8b2bead8f17e,
0xd9b27be1aa07055f, 0xd202d5dc4b11c33e,
0x70adb010543bea12, 0xcdae938f7ea6f579,
0x3f3d870208672f4d, 0x8e6ccbce9d349536,
0xe4c0871a389095ae, 0xf5f2a49152bca080,
0x9a43f9b97269934e, 0xc17b3753cb6f475c,
0xd56d941e8e206bd4, 0xac0a4f3e525eda00,
0xa06d5a011912a550, 0x5537ed19537ad1df,
0xa32fe713d611449d, 0x2a1d05b47c3b579f,
0x991d02dbd30a2a52, 0x39e91e7e28f93eb0,
0x40d06adb3e92c9ac, 0x9b9d3afde1c77c97,
0x9a3f3f41c02c616f, 0x22ecd4ba00f60c44,
0x0b63d5d801708420, 0x8f227ca8f37ffaec,
0x0256278670887c24, 0x107e14877dbf540b,
0x32c19f2786ac1c05, 0x1df5b12bb4bc9c61,
0xc0cac129d0d4c4e2, 0x9fdb52ee9800b001,
0x31f601d5d31c48c4, 0x72ff3c0928bcaec7,
0xd99264421147eb03, 0x535a2d6d38aefcfe,
0x6ba8b4454a916237, 0xfa39366eaae4719c,
0x10f00fd7bbb24b6f, 0x5bd23185c76c84d4,
0xb22c3d7e1b00d33f, 0x3efc20aa6bc830a8,
0xd61c2503fe639144, 0x30ce625441eb92d3,
0xe5d34cf359e93100, 0xa8e5aa13f2b9f7a5,
0x5c2b8d851ca254a6, 0x68fb6c5e8b0d5fdf,
0xc7ea4872c96b83ae, 0x6dd5d376f4392382,
0x1be88681aaa9792f, 0xfef465ee1b6c10d9,
0x1f98b65ed43fcb2e, 0x4d1ca11eb6e9a9c9,
0x7808e902b3857d0b, 0x171c9c4ea4607972,
0x58d66274850146df, 0x42b311c10d3981d1,
0x647fa8c621c41a4c, 0xf472771c66ddfedc,
0x338d27e3f847b46b, 0x6402ce3da97545ce,
0x5162db616fc38638, 0x9c83be97bc22a50e,
0x2d3d7478a78d5e72, 0xe621a9b938fd5397,
0x9454614eb0f81c45, 0x395fb6e742ed39b6,
0x77dd9179d06037bf, 0xc478d0fee4d2656d,
0x35d9d6cb772007af, 0x83a56e92c883f0f6,
0x27937453250c00a1, 0x27bd6ebc3a46a97d,
0x9f543bf784342d51, 0xd158f38c48b0ed52,
0x8dd8537c045f66b4, 0x846a57230226f6d5,
0x6b13939e0c4e7cdf, 0xfca25425d8176758,
0x92e5fc6cd52788e6, 0x9992e13d7a739170,
0x518246f7a199e8ea, 0xf104c2a71b9979c7,
0x86b3ffaabea4768f, 0x6388061cf3e351ad,
0x09d9b5295de5bbb5, 0x38bf1638c2599e92,
0x1d759846499e148d, 0x4c0ff015e5f96ef4,
0xa41a94cfa270f565, 0x42d76f9cb2326c0b,
0x0cf385dd3c9c23ba, 0x0508a6c7508d6e7a,
0x337523aabbe6cf8d, 0x646bb14001d42b12,
0xc178729d138adc74, 0xf900ef4491f24086,
0xee1a90d334bb5ac4, 0x9755c92247301a50,
0xb999bf7c4ff1b610, 0x6aeeb2f3b21e8fc9,
0x0fa8084cf91ac6ff, 0x10d226cf136e6189,
0xd302057a07d4fb21, 0x5f03800e20a0fcc3,
0x80118d4ae46bd210, 0x58ab61a522843733,
0x51edd575c5432a4b, 0x94ee6ff67f9197f7,
0x765669e0e5e8157b, 0xa5347830737132f0,
0x3ba485a69f01510c, 0x0b247d7b957a01c3,
0x1b3d63449fd807dc, 0x0fdc4721c30ad743,
0x8b535ed3829b2b14, 0xee41d0cad65d232c,
0xe6a99ed97a6a982f, 0x65ac6194c202003d,
0x692accf3a70573eb, 0xcc3c02c3e200d5af,
0x0d419e8b325914a3, 0x320f160f42c25e40,
0x00710d647a51fe7a, 0x3c947692330aed60,
0x9288aa280d355a7a, 0xa1806a9b791d1696,
0x5d60e38496763da1, 0x6c69e22e613fd0f4,
0x977fc2a5aadffb17, 0xfb7bd063fc5a94ba,
0x460c17992cbaece1, 0xf7822c5444d3297f,
0x344a9790c69b74aa, 0xb80a42e6cae09dce,
0x1b1361eaf2b1e757, 0xd84c1e758e236f01,
0x88e0b7be347627cc, 0x45246009b7a99490,
0x8011c6dd3fe50472, 0xc341d682bffb99d7,
0x2511be93808e2d15, 0xd5bc13d7fd739840,
0x2a3cd030679ae1ec, 0x8ad9898a4b9ee157,
0x3245fef0a8eaf521, 0x3d6d8dbbb427d2b0,
0x1ed146d8968b3981, 0x0c6a28bf7d45f3fc,
0x4a1fd3dbcee3c561, 0x4210ff6a476bf67e,
0xa559cce0d9199aac, 0xde39d47ef3723380,
0xe5b69d848ce42e35, 0xefa24296f8e79f52,
0x70190b59db9a5afc, 0x26f166cdb211e7bf,
0x4deaf2df3c6b8ef5, 0xf171dbdd670f1017,
0xb9059b05e9420d90, 0x2f0da855c9388754,
0x611d5e9ab77949cc, 0x2912038ac01163f4,
0x0231df50402b2fba, 0x45660fc4f3245f58,
0xb91cc97c7c8dac50, 0xb72d2aafe4953427,
0xfa6463f87e813d6b, 0x4515f7ee95d5c6a2,
0x1310e1c1a48d21c3, 0xad48a7810cdd8544,
0x4d5bdfefd5c9e631, 0xa43ed43f1fdcb7de,
0xe70cfc8fe1ee9626, 0xef4711b0d8dda442,
0xb80dd9bd4dab6c93, 0xa23be08d31ba4d93,
0x9b37db9d0335a39c, 0x494b6f870f5cfebc,
0x6d1b3c1149dda943, 0x372c943a518c1093,
0xad27af45e77c09c4, 0x3b6f92b646044604,
0xac2917909f5fcf4f, 0x2069a60e977e5557,
0x353a469e71014de5, 0x24be356281f55c15,
0x2b6d710ba8e9adea, 0x404ad1751c749c29,
0xed7311bf23d7f185, 0xba4f6976b4acc43e,
0x32d7198d2bc39000, 0xee667019014d6e01,
0x494ef3e128d14c83, 0x1f95a152baecd6be,
0x201648dff1f483a5, 0x68c28550c8384af6,
0x5fc834a6824a7f48, 0x7cd06cb7365eaf28,
0xd82bbd95e9b30909, 0x234f0d1694c53f6d,
0xd2fb7f4a96d83f4a, 0xff0d5da83acac05e,
0xf8f6b97f5585080a, 0x74236084be57b95b,
0xa25e40c03bbc36ad, 0x6b6e5c14ce88465b,
0x4378ffe93e1528c5, 0x94ca92a17118e2d2,
}

@ -1,14 +0,0 @@
// Copyright 2014-2021 Ulrich Kunitz. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package hash provides rolling hashes.
Rolling hashes have to be used for maintaining the positions of n-byte
sequences in the dictionary buffer.
The package provides currently the Rabin-Karp rolling hash and a Cyclic
Polynomial hash. Both support the Hashes method to be used with an interface.
*/
package hash

@ -1,66 +0,0 @@
// Copyright 2014-2021 Ulrich Kunitz. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package hash
// A is the default constant for Robin-Karp rolling hash. This is a random
// prime.
const A = 0x97b548add41d5da1
// RabinKarp supports the computation of a rolling hash.
type RabinKarp struct {
A uint64
// a^n
aOldest uint64
h uint64
p []byte
i int
}
// NewRabinKarp creates a new RabinKarp value. The argument n defines the
// length of the byte sequence to be hashed. The default constant will will be
// used.
func NewRabinKarp(n int) *RabinKarp {
return NewRabinKarpConst(n, A)
}
// NewRabinKarpConst creates a new RabinKarp value. The argument n defines the
// length of the byte sequence to be hashed. The argument a provides the
// constant used to compute the hash.
func NewRabinKarpConst(n int, a uint64) *RabinKarp {
if n <= 0 {
panic("number of bytes n must be positive")
}
aOldest := uint64(1)
// There are faster methods. For the small n required by the LZMA
// compressor O(n) is sufficient.
for i := 0; i < n; i++ {
aOldest *= a
}
return &RabinKarp{
A: a, aOldest: aOldest,
p: make([]byte, 0, n),
}
}
// Len returns the length of the byte sequence.
func (r *RabinKarp) Len() int {
return cap(r.p)
}
// RollByte computes the hash after x has been added.
func (r *RabinKarp) RollByte(x byte) uint64 {
if len(r.p) < cap(r.p) {
r.h += uint64(x)
r.h *= r.A
r.p = append(r.p, x)
} else {
r.h -= uint64(r.p[r.i]) * r.aOldest
r.h += uint64(x)
r.h *= r.A
r.p[r.i] = x
r.i = (r.i + 1) % cap(r.p)
}
return r.h
}

@ -1,29 +0,0 @@
// Copyright 2014-2021 Ulrich Kunitz. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package hash
// Roller provides an interface for rolling hashes. The hash value will become
// valid after hash has been called Len times.
type Roller interface {
Len() int
RollByte(x byte) uint64
}
// Hashes computes all hash values for the array p. Note that the state of the
// roller is changed.
func Hashes(r Roller, p []byte) []uint64 {
n := r.Len()
if len(p) < n {
return nil
}
h := make([]uint64, len(p)-n+1)
for i := 0; i < n-1; i++ {
r.RollByte(p[i])
}
for i := range h {
h[i] = r.RollByte(p[i+n-1])
}
return h
}

@ -1,457 +0,0 @@
// Copyright 2014-2021 Ulrich Kunitz. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package xlog provides a simple logging package that allows to disable
// certain message categories. It defines a type, Logger, with multiple
// methods for formatting output. The package has also a predefined
// 'standard' Logger accessible through helper function Print[f|ln],
// Fatal[f|ln], Panic[f|ln], Warn[f|ln], Print[f|ln] and Debug[f|ln]
// that are easier to use then creating a Logger manually. That logger
// writes to standard error and prints the date and time of each logged
// message, which can be configured using the function SetFlags.
//
// The Fatal functions call os.Exit(1) after the message is output
// unless not suppressed by the flags. The Panic functions call panic
// after the writing the log message unless suppressed.
package xlog
import (
"fmt"
"io"
"os"
"runtime"
"sync"
"time"
)
// The flags define what information is prefixed to each log entry
// generated by the Logger. The Lno* versions allow the suppression of
// specific output. The bits are or'ed together to control what will be
// printed. There is no control over the order of the items printed and
// the format. The full format is:
//
// 2009-01-23 01:23:23.123123 /a/b/c/d.go:23: message
//
const (
Ldate = 1 << iota // the date: 2009-01-23
Ltime // the time: 01:23:23
Lmicroseconds // microsecond resolution: 01:23:23.123123
Llongfile // full file name and line number: /a/b/c/d.go:23
Lshortfile // final file name element and line number: d.go:23
Lnopanic // suppresses output from Panic[f|ln] but not the panic call
Lnofatal // suppresses output from Fatal[f|ln] but not the exit
Lnowarn // suppresses output from Warn[f|ln]
Lnoprint // suppresses output from Print[f|ln]
Lnodebug // suppresses output from Debug[f|ln]
// initial values for the standard logger
Lstdflags = Ldate | Ltime | Lnodebug
)
// A Logger represents an active logging object that generates lines of
// output to an io.Writer. Each logging operation if not suppressed
// makes a single call to the Writer's Write method. A Logger can be
// used simultaneously from multiple goroutines; it guarantees to
// serialize access to the Writer.
type Logger struct {
mu sync.Mutex // ensures atomic writes; and protects the following
// fields
prefix string // prefix to write at beginning of each line
flag int // properties
out io.Writer // destination for output
buf []byte // for accumulating text to write
}
// New creates a new Logger. The out argument sets the destination to
// which the log output will be written. The prefix appears at the
// beginning of each log line. The flag argument defines the logging
// properties.
func New(out io.Writer, prefix string, flag int) *Logger {
return &Logger{out: out, prefix: prefix, flag: flag}
}
// std is the standard logger used by the package scope functions.
var std = New(os.Stderr, "", Lstdflags)
// itoa converts the integer to ASCII. A negative widths will avoid
// zero-padding. The function supports only non-negative integers.
func itoa(buf *[]byte, i int, wid int) {
var u = uint(i)
if u == 0 && wid <= 1 {
*buf = append(*buf, '0')
return
}
var b [32]byte
bp := len(b)
for ; u > 0 || wid > 0; u /= 10 {
bp--
wid--
b[bp] = byte(u%10) + '0'
}
*buf = append(*buf, b[bp:]...)
}
// formatHeader puts the header into the buf field of the buffer.
func (l *Logger) formatHeader(t time.Time, file string, line int) {
l.buf = append(l.buf, l.prefix...)
if l.flag&(Ldate|Ltime|Lmicroseconds) != 0 {
if l.flag&Ldate != 0 {
year, month, day := t.Date()
itoa(&l.buf, year, 4)
l.buf = append(l.buf, '-')
itoa(&l.buf, int(month), 2)
l.buf = append(l.buf, '-')
itoa(&l.buf, day, 2)
l.buf = append(l.buf, ' ')
}
if l.flag&(Ltime|Lmicroseconds) != 0 {
hour, min, sec := t.Clock()
itoa(&l.buf, hour, 2)
l.buf = append(l.buf, ':')
itoa(&l.buf, min, 2)
l.buf = append(l.buf, ':')
itoa(&l.buf, sec, 2)
if l.flag&Lmicroseconds != 0 {
l.buf = append(l.buf, '.')
itoa(&l.buf, t.Nanosecond()/1e3, 6)
}
l.buf = append(l.buf, ' ')
}
}
if l.flag&(Lshortfile|Llongfile) != 0 {
if l.flag&Lshortfile != 0 {
short := file
for i := len(file) - 1; i > 0; i-- {
if file[i] == '/' {
short = file[i+1:]
break
}
}
file = short
}
l.buf = append(l.buf, file...)
l.buf = append(l.buf, ':')
itoa(&l.buf, line, -1)
l.buf = append(l.buf, ": "...)
}
}
func (l *Logger) output(calldepth int, now time.Time, s string) error {
var file string
var line int
if l.flag&(Lshortfile|Llongfile) != 0 {
l.mu.Unlock()
var ok bool
_, file, line, ok = runtime.Caller(calldepth)
if !ok {
file = "???"
line = 0
}
l.mu.Lock()
}
l.buf = l.buf[:0]
l.formatHeader(now, file, line)
l.buf = append(l.buf, s...)
if len(s) == 0 || s[len(s)-1] != '\n' {
l.buf = append(l.buf, '\n')
}
_, err := l.out.Write(l.buf)
return err
}
// Output writes the string s with the header controlled by the flags to
// the l.out writer. A newline will be appended if s doesn't end in a
// newline. Calldepth is used to recover the PC, although all current
// calls of Output use the call depth 2. Access to the function is serialized.
func (l *Logger) Output(calldepth, noflag int, v ...interface{}) error {
now := time.Now()
l.mu.Lock()
defer l.mu.Unlock()
if l.flag&noflag != 0 {
return nil
}
s := fmt.Sprint(v...)
return l.output(calldepth+1, now, s)
}
// Outputf works like output but formats the output like Printf.
func (l *Logger) Outputf(calldepth int, noflag int, format string, v ...interface{}) error {
now := time.Now()
l.mu.Lock()
defer l.mu.Unlock()
if l.flag&noflag != 0 {
return nil
}
s := fmt.Sprintf(format, v...)
return l.output(calldepth+1, now, s)
}
// Outputln works like output but formats the output like Println.
func (l *Logger) Outputln(calldepth int, noflag int, v ...interface{}) error {
now := time.Now()
l.mu.Lock()
defer l.mu.Unlock()
if l.flag&noflag != 0 {
return nil
}
s := fmt.Sprintln(v...)
return l.output(calldepth+1, now, s)
}
// Panic prints the message like Print and calls panic. The printing
// might be suppressed by the flag Lnopanic.
func (l *Logger) Panic(v ...interface{}) {
l.Output(2, Lnopanic, v...)
s := fmt.Sprint(v...)
panic(s)
}
// Panic prints the message like Print and calls panic. The printing
// might be suppressed by the flag Lnopanic.
func Panic(v ...interface{}) {
std.Output(2, Lnopanic, v...)
s := fmt.Sprint(v...)
panic(s)
}
// Panicf prints the message like Printf and calls panic. The printing
// might be suppressed by the flag Lnopanic.
func (l *Logger) Panicf(format string, v ...interface{}) {
l.Outputf(2, Lnopanic, format, v...)
s := fmt.Sprintf(format, v...)
panic(s)
}
// Panicf prints the message like Printf and calls panic. The printing
// might be suppressed by the flag Lnopanic.
func Panicf(format string, v ...interface{}) {
std.Outputf(2, Lnopanic, format, v...)
s := fmt.Sprintf(format, v...)
panic(s)
}
// Panicln prints the message like Println and calls panic. The printing
// might be suppressed by the flag Lnopanic.
func (l *Logger) Panicln(v ...interface{}) {
l.Outputln(2, Lnopanic, v...)
s := fmt.Sprintln(v...)
panic(s)
}
// Panicln prints the message like Println and calls panic. The printing
// might be suppressed by the flag Lnopanic.
func Panicln(v ...interface{}) {
std.Outputln(2, Lnopanic, v...)
s := fmt.Sprintln(v...)
panic(s)
}
// Fatal prints the message like Print and calls os.Exit(1). The
// printing might be suppressed by the flag Lnofatal.
func (l *Logger) Fatal(v ...interface{}) {
l.Output(2, Lnofatal, v...)
os.Exit(1)
}
// Fatal prints the message like Print and calls os.Exit(1). The
// printing might be suppressed by the flag Lnofatal.
func Fatal(v ...interface{}) {
std.Output(2, Lnofatal, v...)
os.Exit(1)
}
// Fatalf prints the message like Printf and calls os.Exit(1). The
// printing might be suppressed by the flag Lnofatal.
func (l *Logger) Fatalf(format string, v ...interface{}) {
l.Outputf(2, Lnofatal, format, v...)
os.Exit(1)
}
// Fatalf prints the message like Printf and calls os.Exit(1). The
// printing might be suppressed by the flag Lnofatal.
func Fatalf(format string, v ...interface{}) {
std.Outputf(2, Lnofatal, format, v...)
os.Exit(1)
}
// Fatalln prints the message like Println and calls os.Exit(1). The
// printing might be suppressed by the flag Lnofatal.
func (l *Logger) Fatalln(format string, v ...interface{}) {
l.Outputln(2, Lnofatal, v...)
os.Exit(1)
}
// Fatalln prints the message like Println and calls os.Exit(1). The
// printing might be suppressed by the flag Lnofatal.
func Fatalln(format string, v ...interface{}) {
std.Outputln(2, Lnofatal, v...)
os.Exit(1)
}
// Warn prints the message like Print. The printing might be suppressed
// by the flag Lnowarn.
func (l *Logger) Warn(v ...interface{}) {
l.Output(2, Lnowarn, v...)
}
// Warn prints the message like Print. The printing might be suppressed
// by the flag Lnowarn.
func Warn(v ...interface{}) {
std.Output(2, Lnowarn, v...)
}
// Warnf prints the message like Printf. The printing might be suppressed
// by the flag Lnowarn.
func (l *Logger) Warnf(format string, v ...interface{}) {
l.Outputf(2, Lnowarn, format, v...)
}
// Warnf prints the message like Printf. The printing might be suppressed
// by the flag Lnowarn.
func Warnf(format string, v ...interface{}) {
std.Outputf(2, Lnowarn, format, v...)
}
// Warnln prints the message like Println. The printing might be suppressed
// by the flag Lnowarn.
func (l *Logger) Warnln(v ...interface{}) {
l.Outputln(2, Lnowarn, v...)
}
// Warnln prints the message like Println. The printing might be suppressed
// by the flag Lnowarn.
func Warnln(v ...interface{}) {
std.Outputln(2, Lnowarn, v...)
}
// Print prints the message like fmt.Print. The printing might be suppressed
// by the flag Lnoprint.
func (l *Logger) Print(v ...interface{}) {
l.Output(2, Lnoprint, v...)
}
// Print prints the message like fmt.Print. The printing might be suppressed
// by the flag Lnoprint.
func Print(v ...interface{}) {
std.Output(2, Lnoprint, v...)
}
// Printf prints the message like fmt.Printf. The printing might be suppressed
// by the flag Lnoprint.
func (l *Logger) Printf(format string, v ...interface{}) {
l.Outputf(2, Lnoprint, format, v...)
}
// Printf prints the message like fmt.Printf. The printing might be suppressed
// by the flag Lnoprint.
func Printf(format string, v ...interface{}) {
std.Outputf(2, Lnoprint, format, v...)
}
// Println prints the message like fmt.Println. The printing might be
// suppressed by the flag Lnoprint.
func (l *Logger) Println(v ...interface{}) {
l.Outputln(2, Lnoprint, v...)
}
// Println prints the message like fmt.Println. The printing might be
// suppressed by the flag Lnoprint.
func Println(v ...interface{}) {
std.Outputln(2, Lnoprint, v...)
}
// Debug prints the message like Print. The printing might be suppressed
// by the flag Lnodebug.
func (l *Logger) Debug(v ...interface{}) {
l.Output(2, Lnodebug, v...)
}
// Debug prints the message like Print. The printing might be suppressed
// by the flag Lnodebug.
func Debug(v ...interface{}) {
std.Output(2, Lnodebug, v...)
}
// Debugf prints the message like Printf. The printing might be suppressed
// by the flag Lnodebug.
func (l *Logger) Debugf(format string, v ...interface{}) {
l.Outputf(2, Lnodebug, format, v...)
}
// Debugf prints the message like Printf. The printing might be suppressed
// by the flag Lnodebug.
func Debugf(format string, v ...interface{}) {
std.Outputf(2, Lnodebug, format, v...)
}
// Debugln prints the message like Println. The printing might be suppressed
// by the flag Lnodebug.
func (l *Logger) Debugln(v ...interface{}) {
l.Outputln(2, Lnodebug, v...)
}
// Debugln prints the message like Println. The printing might be suppressed
// by the flag Lnodebug.
func Debugln(v ...interface{}) {
std.Outputln(2, Lnodebug, v...)
}
// Flags returns the current flags used by the logger.
func (l *Logger) Flags() int {
l.mu.Lock()
defer l.mu.Unlock()
return l.flag
}
// Flags returns the current flags used by the standard logger.
func Flags() int {
return std.Flags()
}
// SetFlags sets the flags of the logger.
func (l *Logger) SetFlags(flag int) {
l.mu.Lock()
defer l.mu.Unlock()
l.flag = flag
}
// SetFlags sets the flags for the standard logger.
func SetFlags(flag int) {
std.SetFlags(flag)
}
// Prefix returns the prefix used by the logger.
func (l *Logger) Prefix() string {
l.mu.Lock()
defer l.mu.Unlock()
return l.prefix
}
// Prefix returns the prefix used by the standard logger of the package.
func Prefix() string {
return std.Prefix()
}
// SetPrefix sets the prefix for the logger.
func (l *Logger) SetPrefix(prefix string) {
l.mu.Lock()
defer l.mu.Unlock()
l.prefix = prefix
}
// SetPrefix sets the prefix of the standard logger of the package.
func SetPrefix(prefix string) {
std.SetPrefix(prefix)
}
// SetOutput sets the output of the logger.
func (l *Logger) SetOutput(w io.Writer) {
l.mu.Lock()
defer l.mu.Unlock()
l.out = w
}
// SetOutput sets the output for the standard logger of the package.
func SetOutput(w io.Writer) {
std.SetOutput(w)
}

@ -1,522 +0,0 @@
// Copyright 2014-2021 Ulrich Kunitz. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package lzma
import (
"errors"
"unicode"
)
// node represents a node in the binary tree.
type node struct {
// x is the search value
x uint32
// p parent node
p uint32
// l left child
l uint32
// r right child
r uint32
}
// wordLen is the number of bytes represented by the v field of a node.
const wordLen = 4
// binTree supports the identification of the next operation based on a
// binary tree.
//
// Nodes will be identified by their index into the ring buffer.
type binTree struct {
dict *encoderDict
// ring buffer of nodes
node []node
// absolute offset of the entry for the next node. Position 4
// byte larger.
hoff int64
// front position in the node ring buffer
front uint32
// index of the root node
root uint32
// current x value
x uint32
// preallocated array
data []byte
}
// null represents the nonexistent index. We can't use zero because it
// would always exist or we would need to decrease the index for each
// reference.
const null uint32 = 1<<32 - 1
// newBinTree initializes the binTree structure. The capacity defines
// the size of the buffer and defines the maximum distance for which
// matches will be found.
func newBinTree(capacity int) (t *binTree, err error) {
if capacity < 1 {
return nil, errors.New(
"newBinTree: capacity must be larger than zero")
}
if int64(capacity) >= int64(null) {
return nil, errors.New(
"newBinTree: capacity must less 2^{32}-1")
}
t = &binTree{
node: make([]node, capacity),
hoff: -int64(wordLen),
root: null,
data: make([]byte, maxMatchLen),
}
return t, nil
}
func (t *binTree) SetDict(d *encoderDict) { t.dict = d }
// WriteByte writes a single byte into the binary tree.
func (t *binTree) WriteByte(c byte) error {
t.x = (t.x << 8) | uint32(c)
t.hoff++
if t.hoff < 0 {
return nil
}
v := t.front
if int64(v) < t.hoff {
// We are overwriting old nodes stored in the tree.
t.remove(v)
}
t.node[v].x = t.x
t.add(v)
t.front++
if int64(t.front) >= int64(len(t.node)) {
t.front = 0
}
return nil
}
// Writes writes a sequence of bytes into the binTree structure.
func (t *binTree) Write(p []byte) (n int, err error) {
for _, c := range p {
t.WriteByte(c)
}
return len(p), nil
}
// add puts the node v into the tree. The node must not be part of the
// tree before.
func (t *binTree) add(v uint32) {
vn := &t.node[v]
// Set left and right to null indices.
vn.l, vn.r = null, null
// If the binary tree is empty make v the root.
if t.root == null {
t.root = v
vn.p = null
return
}
x := vn.x
p := t.root
// Search for the right leave link and add the new node.
for {
pn := &t.node[p]
if x <= pn.x {
if pn.l == null {
pn.l = v
vn.p = p
return
}
p = pn.l
} else {
if pn.r == null {
pn.r = v
vn.p = p
return
}
p = pn.r
}
}
}
// parent returns the parent node index of v and the pointer to v value
// in the parent.
func (t *binTree) parent(v uint32) (p uint32, ptr *uint32) {
if t.root == v {
return null, &t.root
}
p = t.node[v].p
if t.node[p].l == v {
ptr = &t.node[p].l
} else {
ptr = &t.node[p].r
}
return
}
// Remove node v.
func (t *binTree) remove(v uint32) {
vn := &t.node[v]
p, ptr := t.parent(v)
l, r := vn.l, vn.r
if l == null {
// Move the right child up.
*ptr = r
if r != null {
t.node[r].p = p
}
return
}
if r == null {
// Move the left child up.
*ptr = l
t.node[l].p = p
return
}
// Search the in-order predecessor u.
un := &t.node[l]
ur := un.r
if ur == null {
// In order predecessor is l. Move it up.
un.r = r
t.node[r].p = l
un.p = p
*ptr = l
return
}
var u uint32
for {
// Look for the max value in the tree where l is root.
u = ur
ur = t.node[u].r
if ur == null {
break
}
}
// replace u with ul
un = &t.node[u]
ul := un.l
up := un.p
t.node[up].r = ul
if ul != null {
t.node[ul].p = up
}
// replace v by u
un.l, un.r = l, r
t.node[l].p = u
t.node[r].p = u
*ptr = u
un.p = p
}
// search looks for the node that have the value x or for the nodes that
// brace it. The node highest in the tree with the value x will be
// returned. All other nodes with the same value live in left subtree of
// the returned node.
func (t *binTree) search(v uint32, x uint32) (a, b uint32) {
a, b = null, null
if v == null {
return
}
for {
vn := &t.node[v]
if x <= vn.x {
if x == vn.x {
return v, v
}
b = v
if vn.l == null {
return
}
v = vn.l
} else {
a = v
if vn.r == null {
return
}
v = vn.r
}
}
}
// max returns the node with maximum value in the subtree with v as
// root.
func (t *binTree) max(v uint32) uint32 {
if v == null {
return null
}
for {
r := t.node[v].r
if r == null {
return v
}
v = r
}
}
// min returns the node with the minimum value in the subtree with v as
// root.
func (t *binTree) min(v uint32) uint32 {
if v == null {
return null
}
for {
l := t.node[v].l
if l == null {
return v
}
v = l
}
}
// pred returns the in-order predecessor of node v.
func (t *binTree) pred(v uint32) uint32 {
if v == null {
return null
}
u := t.max(t.node[v].l)
if u != null {
return u
}
for {
p := t.node[v].p
if p == null {
return null
}
if t.node[p].r == v {
return p
}
v = p
}
}
// succ returns the in-order successor of node v.
func (t *binTree) succ(v uint32) uint32 {
if v == null {
return null
}
u := t.min(t.node[v].r)
if u != null {
return u
}
for {
p := t.node[v].p
if p == null {
return null
}
if t.node[p].l == v {
return p
}
v = p
}
}
// xval converts the first four bytes of a into an 32-bit unsigned
// integer in big-endian order.
func xval(a []byte) uint32 {
var x uint32
switch len(a) {
default:
x |= uint32(a[3])
fallthrough
case 3:
x |= uint32(a[2]) << 8
fallthrough
case 2:
x |= uint32(a[1]) << 16
fallthrough
case 1:
x |= uint32(a[0]) << 24
case 0:
}
return x
}
// dumpX converts value x into a four-letter string.
func dumpX(x uint32) string {
a := make([]byte, 4)
for i := 0; i < 4; i++ {
c := byte(x >> uint((3-i)*8))
if unicode.IsGraphic(rune(c)) {
a[i] = c
} else {
a[i] = '.'
}
}
return string(a)
}
/*
// dumpNode writes a representation of the node v into the io.Writer.
func (t *binTree) dumpNode(w io.Writer, v uint32, indent int) {
if v == null {
return
}
vn := &t.node[v]
t.dumpNode(w, vn.r, indent+2)
for i := 0; i < indent; i++ {
fmt.Fprint(w, " ")
}
if vn.p == null {
fmt.Fprintf(w, "node %d %q parent null\n", v, dumpX(vn.x))
} else {
fmt.Fprintf(w, "node %d %q parent %d\n", v, dumpX(vn.x), vn.p)
}
t.dumpNode(w, vn.l, indent+2)
}
// dump prints a representation of the binary tree into the writer.
func (t *binTree) dump(w io.Writer) error {
bw := bufio.NewWriter(w)
t.dumpNode(bw, t.root, 0)
return bw.Flush()
}
*/
func (t *binTree) distance(v uint32) int {
dist := int(t.front) - int(v)
if dist <= 0 {
dist += len(t.node)
}
return dist
}
type matchParams struct {
rep [4]uint32
// length when match will be accepted
nAccept int
// nodes to check
check int
// finish if length get shorter
stopShorter bool
}
func (t *binTree) match(m match, distIter func() (int, bool), p matchParams,
) (r match, checked int, accepted bool) {
buf := &t.dict.buf
for {
if checked >= p.check {
return m, checked, true
}
dist, ok := distIter()
if !ok {
return m, checked, false
}
checked++
if m.n > 0 {
i := buf.rear - dist + m.n - 1
if i < 0 {
i += len(buf.data)
} else if i >= len(buf.data) {
i -= len(buf.data)
}
if buf.data[i] != t.data[m.n-1] {
if p.stopShorter {
return m, checked, false
}
continue
}
}
n := buf.matchLen(dist, t.data)
switch n {
case 0:
if p.stopShorter {
return m, checked, false
}
continue
case 1:
if uint32(dist-minDistance) != p.rep[0] {
continue
}
}
if n < m.n || (n == m.n && int64(dist) >= m.distance) {
continue
}
m = match{int64(dist), n}
if n >= p.nAccept {
return m, checked, true
}
}
}
func (t *binTree) NextOp(rep [4]uint32) operation {
// retrieve maxMatchLen data
n, _ := t.dict.buf.Peek(t.data[:maxMatchLen])
if n == 0 {
panic("no data in buffer")
}
t.data = t.data[:n]
var (
m match
x, u, v uint32
iterPred, iterSucc func() (int, bool)
)
p := matchParams{
rep: rep,
nAccept: maxMatchLen,
check: 32,
}
i := 4
iterSmall := func() (dist int, ok bool) {
i--
if i <= 0 {
return 0, false
}
return i, true
}
m, checked, accepted := t.match(m, iterSmall, p)
if accepted {
goto end
}
p.check -= checked
x = xval(t.data)
u, v = t.search(t.root, x)
if u == v && len(t.data) == 4 {
iter := func() (dist int, ok bool) {
if u == null {
return 0, false
}
dist = t.distance(u)
u, v = t.search(t.node[u].l, x)
if u != v {
u = null
}
return dist, true
}
m, _, _ = t.match(m, iter, p)
goto end
}
p.stopShorter = true
iterSucc = func() (dist int, ok bool) {
if v == null {
return 0, false
}
dist = t.distance(v)
v = t.succ(v)
return dist, true
}
m, checked, accepted = t.match(m, iterSucc, p)
if accepted {
goto end
}
p.check -= checked
iterPred = func() (dist int, ok bool) {
if u == null {
return 0, false
}
dist = t.distance(u)
u = t.pred(u)
return dist, true
}
m, _, _ = t.match(m, iterPred, p)
end:
if m.n == 0 {
return lit{t.data[0]}
}
return m
}

@ -1,47 +0,0 @@
// Copyright 2014-2021 Ulrich Kunitz. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package lzma
/* Naming conventions follows the CodeReviewComments in the Go Wiki. */
// ntz32Const is used by the functions NTZ and NLZ.
const ntz32Const = 0x04d7651f
// ntz32Table is a helper table for de Bruijn algorithm by Danny Dubé.
// See Henry S. Warren, Jr. "Hacker's Delight" section 5-1 figure 5-26.
var ntz32Table = [32]int8{
0, 1, 2, 24, 3, 19, 6, 25,
22, 4, 20, 10, 16, 7, 12, 26,
31, 23, 18, 5, 21, 9, 15, 11,
30, 17, 8, 14, 29, 13, 28, 27,
}
/*
// ntz32 computes the number of trailing zeros for an unsigned 32-bit integer.
func ntz32(x uint32) int {
if x == 0 {
return 32
}
x = (x & -x) * ntz32Const
return int(ntz32Table[x>>27])
}
*/
// nlz32 computes the number of leading zeros for an unsigned 32-bit integer.
func nlz32(x uint32) int {
// Smear left most bit to the right
x |= x >> 1
x |= x >> 2
x |= x >> 4
x |= x >> 8
x |= x >> 16
// Use ntz mechanism to calculate nlz.
x++
if x == 0 {
return 0
}
x *= ntz32Const
return 32 - int(ntz32Table[x>>27])
}

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