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package credentials |
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import ( |
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"encoding/json" |
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"fmt" |
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"os" |
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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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// URLCredential is a kind of credential |
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type URLCredential struct { |
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URL string |
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*credentialUpdater |
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*sessionCredential |
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runtime *utils.Runtime |
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} |
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type URLResponse 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 newURLCredential(URL string) *URLCredential { |
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credentialUpdater := new(credentialUpdater) |
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if URL == "" { |
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URL = os.Getenv("ALIBABA_CLOUD_CREDENTIALS_URI") |
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} |
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return &URLCredential{ |
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URL: URL, |
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credentialUpdater: credentialUpdater, |
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} |
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} |
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// GetAccessKeyId reutrns URLCredential'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 (e *URLCredential) GetAccessKeyId() (*string, 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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if e.credentialExpiration > (int(time.Now().Unix()) - int(e.lastUpdateTimestamp)) { |
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return &e.sessionCredential.AccessKeyId, nil |
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} |
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return tea.String(""), err |
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} |
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} |
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return tea.String(e.sessionCredential.AccessKeyId), nil |
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} |
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// GetAccessSecret reutrns URLCredential'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 (e *URLCredential) GetAccessKeySecret() (*string, 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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if e.credentialExpiration > (int(time.Now().Unix()) - int(e.lastUpdateTimestamp)) { |
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return &e.sessionCredential.AccessKeySecret, nil |
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} |
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return tea.String(""), err |
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} |
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} |
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return tea.String(e.sessionCredential.AccessKeySecret), nil |
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} |
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// GetSecurityToken reutrns URLCredential'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 (e *URLCredential) GetSecurityToken() (*string, 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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if e.credentialExpiration > (int(time.Now().Unix()) - int(e.lastUpdateTimestamp)) { |
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return &e.sessionCredential.SecurityToken, nil |
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} |
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return tea.String(""), err |
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} |
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} |
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return tea.String(e.sessionCredential.SecurityToken), nil |
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} |
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// GetBearerToken is useless for URLCredential |
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func (e *URLCredential) GetBearerToken() *string { |
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return tea.String("") |
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} |
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// GetType reutrns URLCredential's type |
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func (e *URLCredential) GetType() *string { |
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return tea.String("credential_uri") |
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} |
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func (e *URLCredential) updateCredential() (err error) { |
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if e.runtime == nil { |
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e.runtime = new(utils.Runtime) |
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} |
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request := request.NewCommonRequest() |
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request.URL = e.URL |
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request.Method = "GET" |
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content, err := doAction(request, e.runtime) |
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if err != nil { |
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return fmt.Errorf("refresh Ecs sts token err: %s", err.Error()) |
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} |
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var resp *URLResponse |
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err = json.Unmarshal(content, &resp) |
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if err != nil { |
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return fmt.Errorf("refresh Ecs sts token err: Json Unmarshal fail: %s", err.Error()) |
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} |
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if resp.AccessKeyId == "" || resp.AccessKeySecret == "" || resp.SecurityToken == "" || resp.Expiration == "" { |
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return fmt.Errorf("refresh Ecs sts token err: AccessKeyId: %s, AccessKeySecret: %s, SecurityToken: %s, Expiration: %s", resp.AccessKeyId, resp.AccessKeySecret, resp.SecurityToken, resp.Expiration) |
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} |
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expirationTime, err := time.Parse("2006-01-02T15:04:05Z", resp.Expiration) |
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e.lastUpdateTimestamp = time.Now().Unix() |
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e.credentialExpiration = int(expirationTime.Unix() - time.Now().Unix()) |
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e.sessionCredential = &sessionCredential{ |
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AccessKeyId: resp.AccessKeyId, |
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AccessKeySecret: resp.AccessKeySecret, |
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SecurityToken: resp.SecurityToken, |
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} |
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return |
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} |
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aliyun /
credentials-go
