121 lines
3.9 KiB
Go
121 lines
3.9 KiB
Go
/*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package auth
|
|
|
|
import (
|
|
"bytes"
|
|
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
|
|
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/utils"
|
|
"sort"
|
|
"strings"
|
|
)
|
|
|
|
func signRoaRequest(request requests.AcsRequest, signer Signer, regionId string) (err error) {
|
|
completeROASignParams(request, signer, regionId)
|
|
stringToSign := buildRoaStringToSign(request)
|
|
request.SetStringToSign(stringToSign)
|
|
signature := signer.Sign(stringToSign, "")
|
|
accessKeyId, err := signer.GetAccessKeyId()
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
|
|
request.GetHeaders()["Authorization"] = "acs " + accessKeyId + ":" + signature
|
|
|
|
return
|
|
}
|
|
|
|
func completeROASignParams(request requests.AcsRequest, signer Signer, regionId string) {
|
|
headerParams := request.GetHeaders()
|
|
|
|
// complete query params
|
|
queryParams := request.GetQueryParams()
|
|
//if _, ok := queryParams["RegionId"]; !ok {
|
|
// queryParams["RegionId"] = regionId
|
|
//}
|
|
if extraParam := signer.GetExtraParam(); extraParam != nil {
|
|
for key, value := range extraParam {
|
|
if key == "SecurityToken" {
|
|
headerParams["x-acs-security-token"] = value
|
|
continue
|
|
}
|
|
|
|
queryParams[key] = value
|
|
}
|
|
}
|
|
|
|
// complete header params
|
|
headerParams["Date"] = utils.GetTimeInFormatRFC2616()
|
|
headerParams["x-acs-signature-method"] = signer.GetName()
|
|
headerParams["x-acs-signature-version"] = signer.GetVersion()
|
|
if request.GetFormParams() != nil && len(request.GetFormParams()) > 0 {
|
|
formString := utils.GetUrlFormedMap(request.GetFormParams())
|
|
request.SetContent([]byte(formString))
|
|
headerParams["Content-Type"] = requests.Form
|
|
}
|
|
contentMD5 := utils.GetMD5Base64(request.GetContent())
|
|
headerParams["Content-MD5"] = contentMD5
|
|
if _, contains := headerParams["Content-Type"]; !contains {
|
|
headerParams["Content-Type"] = requests.Raw
|
|
}
|
|
switch format := request.GetAcceptFormat(); format {
|
|
case "JSON":
|
|
headerParams["Accept"] = requests.Json
|
|
case "XML":
|
|
headerParams["Accept"] = requests.Xml
|
|
default:
|
|
headerParams["Accept"] = requests.Raw
|
|
}
|
|
}
|
|
|
|
func buildRoaStringToSign(request requests.AcsRequest) (stringToSign string) {
|
|
|
|
headers := request.GetHeaders()
|
|
|
|
stringToSignBuilder := bytes.Buffer{}
|
|
stringToSignBuilder.WriteString(request.GetMethod())
|
|
stringToSignBuilder.WriteString(requests.HeaderSeparator)
|
|
|
|
// append header keys for sign
|
|
appendIfContain(headers, &stringToSignBuilder, "Accept", requests.HeaderSeparator)
|
|
appendIfContain(headers, &stringToSignBuilder, "Content-MD5", requests.HeaderSeparator)
|
|
appendIfContain(headers, &stringToSignBuilder, "Content-Type", requests.HeaderSeparator)
|
|
appendIfContain(headers, &stringToSignBuilder, "Date", requests.HeaderSeparator)
|
|
|
|
// sort and append headers witch starts with 'x-acs-'
|
|
var acsHeaders []string
|
|
for key := range headers {
|
|
if strings.HasPrefix(key, "x-acs-") {
|
|
acsHeaders = append(acsHeaders, key)
|
|
}
|
|
}
|
|
sort.Strings(acsHeaders)
|
|
for _, key := range acsHeaders {
|
|
stringToSignBuilder.WriteString(key + ":" + headers[key])
|
|
stringToSignBuilder.WriteString(requests.HeaderSeparator)
|
|
}
|
|
|
|
// append query params
|
|
stringToSignBuilder.WriteString(request.BuildQueries())
|
|
stringToSign = stringToSignBuilder.String()
|
|
return
|
|
}
|
|
|
|
func appendIfContain(sourceMap map[string]string, target *bytes.Buffer, key, separator string) {
|
|
if value, contain := sourceMap[key]; contain && len(value) > 0 {
|
|
target.WriteString(sourceMap[key])
|
|
target.WriteString(separator)
|
|
}
|
|
}
|