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56 lines
2.0 KiB
56 lines
2.0 KiB
// Copyright 2019 Huawei Technologies Co.,Ltd.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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package obs
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import (
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"strings"
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)
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func getV2StringToSign(method, canonicalizedURL string, headers map[string][]string, isObs bool) string {
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stringToSign := strings.Join([]string{method, "\n", attachHeaders(headers, isObs), "\n", canonicalizedURL}, "")
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var isSecurityToken bool
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var securityToken []string
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if isObs {
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securityToken, isSecurityToken = headers[HEADER_STS_TOKEN_OBS]
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} else {
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securityToken, isSecurityToken = headers[HEADER_STS_TOKEN_AMZ]
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}
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var query []string
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if !isSecurityToken {
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parmas := strings.Split(canonicalizedURL, "?")
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if len(parmas) > 1 {
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query = strings.Split(parmas[1], "&")
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for _, value := range query {
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if strings.HasPrefix(value, HEADER_STS_TOKEN_AMZ+"=") || strings.HasPrefix(value, HEADER_STS_TOKEN_OBS+"=") {
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if value[len(HEADER_STS_TOKEN_AMZ)+1:] != "" {
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securityToken = []string{value[len(HEADER_STS_TOKEN_AMZ)+1:]}
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isSecurityToken = true
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}
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}
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}
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}
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}
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logStringToSign := stringToSign
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if isSecurityToken && len(securityToken) > 0 {
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logStringToSign = strings.Replace(logStringToSign, securityToken[0], "******", -1)
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}
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doLog(LEVEL_DEBUG, "The v2 auth stringToSign:\n%s", logStringToSign)
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return stringToSign
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}
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func v2Auth(ak, sk, method, canonicalizedURL string, headers map[string][]string, isObs bool) map[string]string {
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stringToSign := getV2StringToSign(method, canonicalizedURL, headers, isObs)
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return map[string]string{"Signature": Base64Encode(HmacSha1([]byte(sk), []byte(stringToSign)))}
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}
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