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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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"time" |
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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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var securityCredURL = "http://100.100.100.200/latest/meta-data/ram/security-credentials/" |
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type EcsRamRoleCredential struct { |
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*credentialUpdater |
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RoleName string |
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sessionCredential *sessionCredential |
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runtime *utils.Runtime |
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} |
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type EcsRamRoleResponse struct { |
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Code string `json:"Code" xml:"Code"` |
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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 newEcsRamRoleCredential(roleName string, runtime *utils.Runtime) *EcsRamRoleCredential { |
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return &EcsRamRoleCredential{ |
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RoleName: roleName, |
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credentialUpdater: new(credentialUpdater), |
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runtime: runtime, |
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} |
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} |
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// GetAccessKeyID reutrns EcsRamRoleResponse'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 *EcsRamRoleCredential) 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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return "", err |
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} |
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} |
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return e.sessionCredential.AccessKeyID, nil |
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} |
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// GetAccessSecret reutrns EcsRamRoleResponse'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 *EcsRamRoleCredential) GetAccessSecret() (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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return "", err |
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} |
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} |
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return e.sessionCredential.AccessKeySecret, nil |
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} |
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// GetSecurityToken reutrns EcsRamRoleResponse'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 *EcsRamRoleCredential) 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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return "", err |
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} |
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} |
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return e.sessionCredential.SecurityToken, nil |
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} |
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// GetBearerToken is useless for EcsRamRoleCredential |
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func (e *EcsRamRoleCredential) GetBearerToken() string { |
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return "" |
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} |
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// GetType reutrns EcsRamRoleCredential's type |
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func (e *EcsRamRoleCredential) GetType() string { |
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return "ecs_ram_role" |
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} |
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func (e *EcsRamRoleCredential) 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 = securityCredURL + e.RoleName |
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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 *EcsRamRoleResponse |
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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.Code != "Success" { |
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return fmt.Errorf("refresh Ecs sts token err: Code is not Success") |
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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
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