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package credentials |
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import ( |
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"encoding/json" |
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"errors" |
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"fmt" |
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"io/ioutil" |
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"os" |
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"strconv" |
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"time" |
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"github.com/alibabacloud-go/tea/tea" |
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"github.com/aliyun/credentials-go/credentials/request" |
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"github.com/aliyun/credentials-go/credentials/utils" |
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) |
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// OIDCCredential is a kind of credentials |
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type OIDCCredentialsProvider struct { |
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*credentialUpdater |
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AccessKeyId string |
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AccessKeySecret string |
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RoleArn string |
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OIDCProviderArn string |
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OIDCTokenFilePath string |
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Policy string |
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RoleSessionName string |
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RoleSessionExpiration int |
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sessionCredential *sessionCredential |
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runtime *utils.Runtime |
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} |
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type OIDCResponse struct { |
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Credentials *credentialsInResponse `json:"Credentials" xml:"Credentials"` |
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} |
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type OIDCcredentialsInResponse struct { |
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AccessKeyId string `json:"AccessKeyId" xml:"AccessKeyId"` |
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AccessKeySecret string `json:"AccessKeySecret" xml:"AccessKeySecret"` |
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SecurityToken string `json:"SecurityToken" xml:"SecurityToken"` |
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Expiration string `json:"Expiration" xml:"Expiration"` |
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} |
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func newOIDCRoleArnCredential(accessKeyId, accessKeySecret, roleArn, OIDCProviderArn, OIDCTokenFilePath, RoleSessionName, policy string, RoleSessionExpiration int, runtime *utils.Runtime) (provider *OIDCCredentialsProvider, err error) { |
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if OIDCTokenFilePath == "" { |
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OIDCTokenFilePath = os.Getenv("ALIBABA_CLOUD_OIDC_TOKEN_FILE") |
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} |
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if OIDCTokenFilePath == "" { |
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err = errors.New("the OIDC token file path is empty") |
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return |
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} |
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provider = &OIDCCredentialsProvider{ |
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AccessKeyId: accessKeyId, |
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AccessKeySecret: accessKeySecret, |
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RoleArn: roleArn, |
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OIDCProviderArn: OIDCProviderArn, |
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OIDCTokenFilePath: OIDCTokenFilePath, |
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RoleSessionName: RoleSessionName, |
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Policy: policy, |
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RoleSessionExpiration: RoleSessionExpiration, |
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credentialUpdater: new(credentialUpdater), |
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runtime: runtime, |
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} |
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return |
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} |
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func (e *OIDCCredentialsProvider) GetCredential() (*CredentialModel, error) { |
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if e.sessionCredential == nil || e.needUpdateCredential() { |
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err := e.updateCredential() |
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if err != nil { |
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return nil, err |
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} |
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} |
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credential := &CredentialModel{ |
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AccessKeyId: tea.String(e.sessionCredential.AccessKeyId), |
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AccessKeySecret: tea.String(e.sessionCredential.AccessKeySecret), |
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SecurityToken: tea.String(e.sessionCredential.SecurityToken), |
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Type: tea.String("oidc_role_arn"), |
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} |
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return credential, nil |
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} |
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// GetAccessKeyId reutrns OIDCCredential's AccessKeyId |
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// if AccessKeyId is not exist or out of date, the function will update it. |
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func (r *OIDCCredentialsProvider) GetAccessKeyId() (accessKeyId *string, err error) { |
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c, err := r.GetCredential() |
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if err != nil { |
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return |
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} |
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accessKeyId = c.AccessKeyId |
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return |
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} |
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// GetAccessSecret reutrns OIDCCredential's AccessKeySecret |
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// if AccessKeySecret is not exist or out of date, the function will update it. |
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func (r *OIDCCredentialsProvider) GetAccessKeySecret() (accessKeySecret *string, err error) { |
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c, err := r.GetCredential() |
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if err != nil { |
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return |
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} |
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accessKeySecret = c.AccessKeySecret |
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return |
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} |
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// GetSecurityToken reutrns OIDCCredential's SecurityToken |
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// if SecurityToken is not exist or out of date, the function will update it. |
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func (r *OIDCCredentialsProvider) GetSecurityToken() (securityToken *string, err error) { |
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c, err := r.GetCredential() |
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if err != nil { |
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return |
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} |
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securityToken = c.SecurityToken |
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return |
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} |
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// GetBearerToken is useless OIDCCredential |
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func (r *OIDCCredentialsProvider) GetBearerToken() *string { |
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return tea.String("") |
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} |
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// GetType reutrns OIDCCredential's type |
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func (r *OIDCCredentialsProvider) GetType() *string { |
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return tea.String("oidc_role_arn") |
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} |
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var getFileContent = func(filePath string) (content string, err error) { |
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bytes, err := ioutil.ReadFile(filePath) |
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if err != nil { |
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return |
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} |
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if len(bytes) == 0 { |
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err = fmt.Errorf("the content of %s is empty", filePath) |
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} |
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content = string(bytes) |
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return |
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} |
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func (r *OIDCCredentialsProvider) updateCredential() (err error) { |
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if r.runtime == nil { |
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r.runtime = new(utils.Runtime) |
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} |
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request := request.NewCommonRequest() |
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request.Domain = "sts.aliyuncs.com" |
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if r.runtime.STSEndpoint != "" { |
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request.Domain = r.runtime.STSEndpoint |
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} |
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request.Scheme = "HTTPS" |
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request.Method = "POST" |
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request.QueryParams["Timestamp"] = utils.GetTimeInFormatISO8601() |
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request.QueryParams["Action"] = "AssumeRoleWithOIDC" |
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request.QueryParams["Format"] = "JSON" |
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request.BodyParams["RoleArn"] = r.RoleArn |
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request.BodyParams["OIDCProviderArn"] = r.OIDCProviderArn |
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token, err := getFileContent(r.OIDCTokenFilePath) |
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if err != nil { |
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return fmt.Errorf("read oidc token file failed: %s", err.Error()) |
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} |
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request.BodyParams["OIDCToken"] = token |
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if r.Policy != "" { |
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request.QueryParams["Policy"] = r.Policy |
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} |
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if r.RoleSessionExpiration > 0 { |
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request.QueryParams["DurationSeconds"] = strconv.Itoa(r.RoleSessionExpiration) |
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} |
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request.QueryParams["RoleSessionName"] = r.RoleSessionName |
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request.QueryParams["Version"] = "2015-04-01" |
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request.QueryParams["SignatureNonce"] = utils.GetUUID() |
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request.Headers["Host"] = request.Domain |
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request.Headers["Accept-Encoding"] = "identity" |
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request.Headers["content-type"] = "application/x-www-form-urlencoded" |
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request.URL = request.BuildURL() |
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content, err := doAction(request, r.runtime) |
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if err != nil { |
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return fmt.Errorf("get sts token failed with: %s", err.Error()) |
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} |
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var resp *OIDCResponse |
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err = json.Unmarshal(content, &resp) |
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if err != nil { |
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return fmt.Errorf("get sts token failed with: Json.Unmarshal fail: %s", err.Error()) |
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} |
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if resp == nil || resp.Credentials == nil { |
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return fmt.Errorf("get sts token failed with: credentials is empty") |
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} |
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respCredentials := resp.Credentials |
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if respCredentials.AccessKeyId == "" || respCredentials.AccessKeySecret == "" || respCredentials.SecurityToken == "" || respCredentials.Expiration == "" { |
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return fmt.Errorf("get sts token failed with: AccessKeyId: %s, AccessKeySecret: %s, SecurityToken: %s, Expiration: %s", respCredentials.AccessKeyId, respCredentials.AccessKeySecret, respCredentials.SecurityToken, respCredentials.Expiration) |
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} |
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expirationTime, err := time.Parse("2006-01-02T15:04:05Z", respCredentials.Expiration) |
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r.lastUpdateTimestamp = time.Now().Unix() |
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r.credentialExpiration = int(expirationTime.Unix() - time.Now().Unix()) |
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r.sessionCredential = &sessionCredential{ |
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AccessKeyId: respCredentials.AccessKeyId, |
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AccessKeySecret: respCredentials.AccessKeySecret, |
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SecurityToken: respCredentials.SecurityToken, |
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} |
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return |
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} |
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aliyun /
credentials-go
