traefik/vendor/github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth/signer.go

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2018-09-14 08:06:03 +00:00
/*
* 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 (
"fmt"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth/signers"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/errors"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
"reflect"
)
type Signer interface {
GetName() string
GetType() string
GetVersion() string
GetAccessKeyId() (string, error)
GetExtraParam() map[string]string
Sign(stringToSign, secretSuffix string) string
Shutdown()
}
func NewSignerWithCredential(credential Credential, commonApi func(request *requests.CommonRequest, signer interface{}) (response *responses.CommonResponse, err error)) (signer Signer, err error) {
switch instance := credential.(type) {
case *credentials.AccessKeyCredential:
{
signer, err = signers.NewAccessKeySigner(instance)
}
case *credentials.StsTokenCredential:
{
signer, err = signers.NewStsTokenSigner(instance)
}
case *credentials.RamRoleArnCredential:
{
signer, err = signers.NewRamRoleArnSigner(instance, commonApi)
}
case *credentials.RsaKeyPairCredential:
{
signer, err = signers.NewSignerKeyPair(instance, commonApi)
}
case *credentials.EcsRamRoleCredential:
{
signer, err = signers.NewEcsRamRoleSigner(instance, commonApi)
}
case *credentials.BaseCredential: // deprecated user interface
{
signer, err = signers.NewAccessKeySigner(instance.ToAccessKeyCredential())
}
case *credentials.StsRoleArnCredential: // deprecated user interface
{
signer, err = signers.NewRamRoleArnSigner(instance.ToRamRoleArnCredential(), commonApi)
}
case *credentials.StsRoleNameOnEcsCredential: // deprecated user interface
{
signer, err = signers.NewEcsRamRoleSigner(instance.ToEcsRamRoleCredential(), commonApi)
}
default:
message := fmt.Sprintf(errors.UnsupportedCredentialErrorMessage, reflect.TypeOf(credential))
err = errors.NewClientError(errors.UnsupportedCredentialErrorCode, message, nil)
}
return
}
func Sign(request requests.AcsRequest, signer Signer, regionId string) (err error) {
switch request.GetStyle() {
case requests.ROA:
{
signRoaRequest(request, signer, regionId)
}
case requests.RPC:
{
err = signRpcRequest(request, signer, regionId)
}
default:
message := fmt.Sprintf(errors.UnknownRequestTypeErrorMessage, reflect.TypeOf(request))
err = errors.NewClientError(errors.UnknownRequestTypeErrorCode, message, nil)
}
return
}