You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.3 KiB
71 lines
1.3 KiB
package qqwry
|
|
|
|
import (
|
|
"bytes"
|
|
"compress/zlib"
|
|
"encoding/binary"
|
|
"io/ioutil"
|
|
"log"
|
|
"net/http"
|
|
)
|
|
|
|
// 解密key
|
|
// https://zhangzifan.com/update-qqwry-dat.html
|
|
func getKey() (uint32, error) {
|
|
resp, err := http.Get("https://update.cz88.net/ip/copywrite.rar")
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
if body, err := ioutil.ReadAll(resp.Body); err != nil {
|
|
return 0, err
|
|
} else {
|
|
// @see https://stackoverflow.com/questions/34078427/how-to-read-packed-binary-data-in-go
|
|
return binary.LittleEndian.Uint32(body[5*4:]), nil
|
|
}
|
|
}
|
|
|
|
func OnlineDownload() {
|
|
resp, err := http.Get("https://update.cz88.net/ip/qqwry.rar")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
body, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
key, err := getKey()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
for i := 0; i < 0x200; i++ {
|
|
key = key * 0x805
|
|
key++
|
|
key = key & 0xff
|
|
|
|
body[i] = byte(uint32(body[i]) ^ key)
|
|
}
|
|
|
|
reader, err := zlib.NewReader(bytes.NewReader(body))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
tmpData, err := ioutil.ReadAll(reader)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
err = ioutil.WriteFile("./qqwry.dat", tmpData, 0644)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
log.Printf("已下载最新 纯真 IPv4数据库 %s ", "./qqwry.dat")
|
|
}
|