yunion.io/x/cloudmux@v0.3.10-0-alpha.1/pkg/multicloud/hcso/client/auth/signers/signer_access_key.go (about)

     1  // Copyright 2019 Yunion
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package signers
    16  
    17  import (
    18  	"crypto/hmac"
    19  	"crypto/sha256"
    20  	"encoding/hex"
    21  
    22  	"yunion.io/x/cloudmux/pkg/multicloud/hcso/client/auth/credentials"
    23  )
    24  
    25  type AccessKeySigner struct {
    26  	credential *credentials.AccessKeyCredential
    27  }
    28  
    29  func (signer *AccessKeySigner) GetName() string {
    30  	return "HmacSha256"
    31  }
    32  
    33  func (signer *AccessKeySigner) GetAccessKeyId() (accessKeyId string, err error) {
    34  	return signer.credential.AccessKeyId, nil
    35  }
    36  
    37  func (signer *AccessKeySigner) GetSecretKey() (secretKey string, err error) {
    38  	return signer.credential.AccessKeySecret, nil
    39  }
    40  
    41  func (signer *AccessKeySigner) Sign(stringToSign, secretSuffix string) string {
    42  	return hex.EncodeToString(HmacSha256(stringToSign, []byte(secretSuffix)))
    43  }
    44  
    45  func HmacSha256(data string, key []byte) []byte {
    46  	mac := hmac.New(sha256.New, key)
    47  	mac.Write([]byte(data))
    48  	return mac.Sum(nil)
    49  }
    50  
    51  func NewAccessKeySigner(credential *credentials.AccessKeyCredential) *AccessKeySigner {
    52  	return &AccessKeySigner{
    53  		credential: credential,
    54  	}
    55  }