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37
...caler/cloudprovider/alicloud/alibaba-cloud-sdk-go/sdk/auth/credentials/oidc_credential.go
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| /* | ||
| Copyright 2018 The Kubernetes Authors. | ||
| 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. | ||
| */ | ||
|
|
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| package credentials | ||
|
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| // OIDCCredential is a kind of credentials | ||
| type OIDCCredential struct { | ||
| RoleArn string | ||
| OIDCProviderArn string | ||
| OIDCTokenFilePath string | ||
| RoleSessionName string | ||
| RoleSessionExpiration int | ||
| } | ||
|
|
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| // NewOIDCRoleArnCredential returns OIDCCredential | ||
| func NewOIDCRoleArnCredential(roleArn, OIDCProviderArn, OIDCTokenFilePath, RoleSessionName string, RoleSessionExpiration int) *OIDCCredential { | ||
| return &OIDCCredential{ | ||
| RoleArn: roleArn, | ||
| OIDCProviderArn: OIDCProviderArn, | ||
| OIDCTokenFilePath: OIDCTokenFilePath, | ||
| RoleSessionName: RoleSessionName, | ||
| RoleSessionExpiration: RoleSessionExpiration, | ||
| } | ||
| } |
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247 changes: 247 additions & 0 deletions
247
...er-autoscaler/cloudprovider/alicloud/alibaba-cloud-sdk-go/sdk/auth/signers/signer_oidc.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,247 @@ | ||
| /* | ||
| Copyright 2018 The Kubernetes Authors. | ||
| 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 signers | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "github.com/google/uuid" | ||
| "github.com/jmespath/go-jmespath" | ||
| "io/ioutil" | ||
| "k8s.io/autoscaler/cluster-autoscaler/cloudprovider/alicloud/alibaba-cloud-sdk-go/sdk/auth/credentials" | ||
| "k8s.io/autoscaler/cluster-autoscaler/cloudprovider/alicloud/alibaba-cloud-sdk-go/sdk/errors" | ||
| "k8s.io/autoscaler/cluster-autoscaler/cloudprovider/alicloud/alibaba-cloud-sdk-go/sdk/requests" | ||
| "k8s.io/autoscaler/cluster-autoscaler/cloudprovider/alicloud/alibaba-cloud-sdk-go/sdk/responses" | ||
| "k8s.io/autoscaler/cluster-autoscaler/cloudprovider/alicloud/alibaba-cloud-sdk-go/sdk/utils" | ||
| "net/http" | ||
| "os" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| const ( | ||
| defaultOIDCDurationSeconds = 3600 | ||
| ) | ||
|
|
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| // OIDCSigner is kind of signer | ||
| type OIDCSigner struct { | ||
| *credentialUpdater | ||
| roleSessionName string | ||
| sessionCredential *SessionCredential | ||
| credential *credentials.OIDCCredential | ||
| commonApi func(request *requests.CommonRequest, signer interface{}) (response *responses.CommonResponse, err error) | ||
| } | ||
|
|
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| // NewOIDCSigner returns OIDCSigner | ||
| func NewOIDCSigner(credential *credentials.OIDCCredential) (signer *OIDCSigner, err error) { | ||
| signer = &OIDCSigner{ | ||
| credential: credential, | ||
| } | ||
|
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| signer.credentialUpdater = &credentialUpdater{ | ||
| credentialExpiration: credential.RoleSessionExpiration, | ||
| buildRequestMethod: signer.buildCommonRequest, | ||
| responseCallBack: signer.refreshCredential, | ||
| refreshApi: signer.refreshApi, | ||
| } | ||
|
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| if len(credential.RoleSessionName) > 0 { | ||
| signer.roleSessionName = credential.RoleSessionName | ||
| } else { | ||
| signer.roleSessionName = "aliyun-go-sdk-" + strconv.FormatInt(time.Now().UnixNano()/1000, 10) | ||
| } | ||
| if credential.RoleSessionExpiration > 0 { | ||
| if credential.RoleSessionExpiration >= 900 && credential.RoleSessionExpiration <= 3600 { | ||
| signer.credentialExpiration = credential.RoleSessionExpiration | ||
| } else { | ||
| err = errors.NewClientError(errors.InvalidParamErrorCode, "Assume Role session duration should be in the range of 15min - 1Hr", nil) | ||
| } | ||
| } else { | ||
| signer.credentialExpiration = defaultOIDCDurationSeconds | ||
| } | ||
| return | ||
| } | ||
|
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| // GetName returns "HMAC-SHA1" | ||
| func (*OIDCSigner) GetName() string { | ||
| return "HMAC-SHA1" | ||
| } | ||
|
|
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| // GetType returns "" | ||
| func (*OIDCSigner) GetType() string { | ||
| return "" | ||
| } | ||
|
|
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| // GetVersion returns "1.0" | ||
| func (*OIDCSigner) GetVersion() string { | ||
| return "1.0" | ||
| } | ||
|
|
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| // GetAccessKeyId returns accessKeyId | ||
| func (signer *OIDCSigner) GetAccessKeyId() (accessKeyId string, err error) { | ||
| if signer.sessionCredential == nil || signer.needUpdateCredential() { | ||
| err = signer.updateCredential() | ||
| } | ||
| if err != nil && (signer.sessionCredential == nil || len(signer.sessionCredential.AccessKeyId) <= 0) { | ||
| return "", err | ||
| } | ||
| return signer.sessionCredential.AccessKeyId, nil | ||
| } | ||
|
|
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| // GetExtraParam returns params | ||
| func (signer *OIDCSigner) GetExtraParam() map[string]string { | ||
| if signer.sessionCredential == nil || signer.needUpdateCredential() { | ||
| signer.updateCredential() | ||
| } | ||
| if signer.sessionCredential == nil || len(signer.sessionCredential.StsToken) <= 0 { | ||
| return make(map[string]string) | ||
| } | ||
| return map[string]string{"SecurityToken": signer.sessionCredential.StsToken} | ||
| } | ||
|
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| // Sign create signer | ||
| func (signer *OIDCSigner) Sign(stringToSign, secretSuffix string) string { | ||
| secret := signer.sessionCredential.AccessKeySecret + secretSuffix | ||
| return ShaHmac1(stringToSign, secret) | ||
| } | ||
|
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| func (signer *OIDCSigner) buildCommonRequest() (request *requests.CommonRequest, err error) { | ||
| request = requests.NewCommonRequest() | ||
| request.Domain = "sts.aliyuncs.com" | ||
| request.Scheme = requests.HTTPS | ||
| request.Method = "POST" | ||
| request.QueryParams["Timestamp"] = utils.GetTimeInFormatISO8601() | ||
| request.QueryParams["Action"] = "AssumeRoleWithOIDC" | ||
| request.QueryParams["Format"] = "JSON" | ||
| request.FormParams["RoleArn"] = signer.credential.RoleArn | ||
| request.FormParams["OIDCProviderArn"] = signer.credential.OIDCProviderArn | ||
| request.FormParams["OIDCToken"] = signer.getOIDCToken(signer.credential.OIDCTokenFilePath) | ||
| request.QueryParams["RoleSessionName"] = signer.credential.RoleSessionName | ||
| request.QueryParams["Version"] = "2015-04-01" | ||
| request.QueryParams["SignatureNonce"] = uuid.New().String() | ||
| request.Headers["Host"] = request.Domain | ||
| request.Headers["Accept-Encoding"] = "identity" | ||
| request.Headers["content-type"] = "application/x-www-form-urlencoded" | ||
| return | ||
| } | ||
|
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| func (signer *OIDCSigner) getOIDCToken(OIDCTokenFilePath string) string { | ||
| tokenPath := OIDCTokenFilePath | ||
| _, err := os.Stat(tokenPath) | ||
| if os.IsNotExist(err) { | ||
| tokenPath = os.Getenv("ALIBABA_CLOUD_OIDC_TOKEN_FILE") | ||
| if tokenPath == "" { | ||
| return "" | ||
| } | ||
| } | ||
|
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| token, err := ioutil.ReadFile(tokenPath) | ||
| if err != nil { | ||
| return "" | ||
| } | ||
| return string(token) | ||
| } | ||
|
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| func (signer *OIDCSigner) refreshApi(request *requests.CommonRequest) (response *responses.CommonResponse, err error) { | ||
| requestUrl := request.BuildUrl() | ||
| var urlEncoded string | ||
| if request.FormParams != nil { | ||
| urlEncoded = utils.GetUrlFormedMap(request.FormParams) | ||
| } | ||
|
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| httpRequest, err := http.NewRequest(request.Method, requestUrl, strings.NewReader(urlEncoded)) | ||
| if err != nil { | ||
| fmt.Println("refresh RRSA token err", err) | ||
| return | ||
| } | ||
|
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| httpRequest.Proto = "HTTP/1.1" | ||
| httpRequest.Host = request.Domain | ||
| for key, value := range request.Headers { | ||
| if value != "" { | ||
| httpRequest.Header[key] = []string{value} | ||
| } | ||
| } | ||
|
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| httpClient := &http.Client{} | ||
| httpResponse, err := httpClient.Do(httpRequest) | ||
| if err != nil { | ||
| fmt.Println("refresh RRSA token err", err) | ||
| return | ||
| } | ||
|
|
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| response = responses.NewCommonResponse() | ||
| err = responses.Unmarshal(response, httpResponse, "") | ||
| return | ||
| } | ||
|
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| func (signer *OIDCSigner) refreshCredential(response *responses.CommonResponse) (err error) { | ||
| if response.GetHttpStatus() != http.StatusOK { | ||
| message := "refresh session token failed" | ||
| err = errors.NewServerError(response.GetHttpStatus(), response.GetHttpContentString(), message) | ||
| return | ||
| } | ||
| var data interface{} | ||
| err = json.Unmarshal(response.GetHttpContentBytes(), &data) | ||
| if err != nil { | ||
| fmt.Println("refresh RRSA token err, json.Unmarshal fail", err) | ||
| return | ||
| } | ||
| accessKeyId, err := jmespath.Search("Credentials.AccessKeyId", data) | ||
| if err != nil { | ||
| fmt.Println("refresh RRSA token err, fail to get AccessKeyId", err) | ||
| return | ||
| } | ||
| accessKeySecret, err := jmespath.Search("Credentials.AccessKeySecret", data) | ||
| if err != nil { | ||
| fmt.Println("refresh RRSA token err, fail to get AccessKeySecret", err) | ||
| return | ||
| } | ||
| securityToken, err := jmespath.Search("Credentials.SecurityToken", data) | ||
| if err != nil { | ||
| fmt.Println("refresh RRSA token err, fail to get SecurityToken", err) | ||
| return | ||
| } | ||
| expiration, err := jmespath.Search("Credentials.Expiration", data) | ||
| if err != nil { | ||
| fmt.Println("refresh RRSA token err, fail to get Expiration", err) | ||
| return | ||
| } | ||
|
|
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| if accessKeyId == nil || accessKeySecret == nil || securityToken == nil { | ||
| return | ||
| } | ||
|
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| expirationTime, err := time.Parse("2006-01-02T15:04:05Z", expiration.(string)) | ||
| signer.credentialExpiration = int(expirationTime.Unix() - time.Now().Unix()) | ||
| signer.sessionCredential = &SessionCredential{ | ||
| AccessKeyId: accessKeyId.(string), | ||
| AccessKeySecret: accessKeySecret.(string), | ||
| StsToken: securityToken.(string), | ||
| } | ||
|
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| return | ||
| } | ||
|
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| // GetSessionCredential returns SessionCredential | ||
| func (signer *OIDCSigner) GetSessionCredential() *SessionCredential { | ||
| return signer.sessionCredential | ||
| } | ||
|
|
||
| // Shutdown doesn't implement | ||
| func (signer *OIDCSigner) Shutdown() {} |
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