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package providers |
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import ( |
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"encoding/json" |
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"fmt" |
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"io/ioutil" |
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"os" |
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"path" |
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"github.com/aliyun/credentials-go/credentials/internal/utils" |
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) |
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type CLIProfileCredentialsProvider struct { |
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profileName string |
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innerProvider CredentialsProvider |
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} |
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type CLIProfileCredentialsProviderBuilder struct { |
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provider *CLIProfileCredentialsProvider |
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} |
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func (b *CLIProfileCredentialsProviderBuilder) WithProfileName(profileName string) *CLIProfileCredentialsProviderBuilder { |
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b.provider.profileName = profileName |
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return b |
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} |
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func (b *CLIProfileCredentialsProviderBuilder) Build() *CLIProfileCredentialsProvider { |
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// 优先级： |
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// 1. 使用显示指定的 profileName |
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// 2. 使用环境变量（ALIBABA_CLOUD_PROFILE）制定的 profileName |
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// 3. 使用 CLI 配置中的当前 profileName |
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if b.provider.profileName == "" { |
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b.provider.profileName = os.Getenv("ALIBABA_CLOUD_PROFILE") |
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} |
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return b.provider |
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} |
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func NewCLIProfileCredentialsProviderBuilder() *CLIProfileCredentialsProviderBuilder { |
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return &CLIProfileCredentialsProviderBuilder{ |
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provider: &CLIProfileCredentialsProvider{}, |
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} |
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} |
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type profile struct { |
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Name string `json:"name"` |
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Mode string `json:"mode"` |
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AccessKeyID string `json:"access_key_id"` |
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AccessKeySecret string `json:"access_key_secret"` |
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RegionID string `json:"region_id"` |
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RoleArn string `json:"ram_role_arn"` |
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RoleSessionName string `json:"ram_session_name"` |
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DurationSeconds int `json:"expired_seconds"` |
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StsRegion string `json:"sts_region"` |
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SourceProfile string `json:"source_profile"` |
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RoleName string `json:"ram_role_name"` |
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OIDCTokenFile string `json:"oidc_token_file"` |
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OIDCProviderARN string `json:"oidc_provider_arn"` |
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} |
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type configuration struct { |
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Current string `json:"current"` |
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Profiles []*profile `json:"profiles"` |
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} |
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func newConfigurationFromPath(cfgPath string) (conf *configuration, err error) { |
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bytes, err := ioutil.ReadFile(cfgPath) |
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if err != nil { |
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err = fmt.Errorf("reading aliyun cli config from '%s' failed %v", cfgPath, err) |
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return |
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} |
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conf = &configuration{} |
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err = json.Unmarshal(bytes, conf) |
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if err != nil { |
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err = fmt.Errorf("unmarshal aliyun cli config from '%s' failed: %s", cfgPath, string(bytes)) |
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return |
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} |
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if conf.Profiles == nil || len(conf.Profiles) == 0 { |
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err = fmt.Errorf("no any configured profiles in '%s'", cfgPath) |
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return |
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} |
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return |
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} |
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func (conf *configuration) getProfile(name string) (profile *profile, err error) { |
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for _, p := range conf.Profiles { |
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if p.Name == name { |
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profile = p |
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return |
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} |
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} |
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err = fmt.Errorf("unable to get profile with '%s'", name) |
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return |
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} |
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func (provider *CLIProfileCredentialsProvider) getCredentialsProvider(conf *configuration, profileName string) (credentialsProvider CredentialsProvider, err error) { |
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p, err := conf.getProfile(profileName) |
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if err != nil { |
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return |
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} |
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switch p.Mode { |
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case "AK": |
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credentialsProvider, err = NewStaticAKCredentialsProviderBuilder(). |
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WithAccessKeyId(p.AccessKeyID). |
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WithAccessKeySecret(p.AccessKeySecret). |
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Build() |
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case "RamRoleArn": |
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previousProvider, err1 := NewStaticAKCredentialsProviderBuilder(). |
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WithAccessKeyId(p.AccessKeyID). |
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WithAccessKeySecret(p.AccessKeySecret). |
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Build() |
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if err1 != nil { |
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return nil, err1 |
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} |
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credentialsProvider, err = NewRAMRoleARNCredentialsProviderBuilder(). |
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WithCredentialsProvider(previousProvider). |
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WithRoleArn(p.RoleArn). |
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WithRoleSessionName(p.RoleSessionName). |
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WithDurationSeconds(p.DurationSeconds). |
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WithStsRegionId(p.StsRegion). |
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Build() |
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case "EcsRamRole": |
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credentialsProvider, err = NewECSRAMRoleCredentialsProviderBuilder().WithRoleName(p.RoleName).Build() |
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case "OIDC": |
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credentialsProvider, err = NewOIDCCredentialsProviderBuilder(). |
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WithOIDCTokenFilePath(p.OIDCTokenFile). |
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WithOIDCProviderARN(p.OIDCProviderARN). |
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WithRoleArn(p.RoleArn). |
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WithStsRegionId(p.StsRegion). |
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WithDurationSeconds(p.DurationSeconds). |
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WithRoleSessionName(p.RoleSessionName). |
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Build() |
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case "ChainableRamRoleArn": |
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previousProvider, err1 := provider.getCredentialsProvider(conf, p.SourceProfile) |
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if err1 != nil { |
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err = fmt.Errorf("get source profile failed: %s", err1.Error()) |
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return |
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} |
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credentialsProvider, err = NewRAMRoleARNCredentialsProviderBuilder(). |
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WithCredentialsProvider(previousProvider). |
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WithRoleArn(p.RoleArn). |
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WithRoleSessionName(p.RoleSessionName). |
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WithDurationSeconds(p.DurationSeconds). |
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WithStsRegionId(p.StsRegion). |
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Build() |
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default: |
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err = fmt.Errorf("unsupported profile mode '%s'", p.Mode) |
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} |
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return |
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} |
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// 默认设置为 GetHomePath，测试时便于 mock |
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var getHomePath = utils.GetHomePath |
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func (provider *CLIProfileCredentialsProvider) GetCredentials() (cc *Credentials, err error) { |
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if provider.innerProvider == nil { |
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homedir := getHomePath() |
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if homedir == "" { |
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err = fmt.Errorf("cannot found home dir") |
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return |
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} |
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cfgPath := path.Join(homedir, ".aliyun/config.json") |
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conf, err1 := newConfigurationFromPath(cfgPath) |
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if err1 != nil { |
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err = err1 |
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return |
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} |
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if provider.profileName == "" { |
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provider.profileName = conf.Current |
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} |
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provider.innerProvider, err = provider.getCredentialsProvider(conf, provider.profileName) |
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if err != nil { |
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return |
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} |
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} |
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innerCC, err := provider.innerProvider.GetCredentials() |
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if err != nil { |
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return |
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} |
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cc = &Credentials{ |
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AccessKeyId: innerCC.AccessKeyId, |
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AccessKeySecret: innerCC.AccessKeySecret, |
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SecurityToken: innerCC.SecurityToken, |
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ProviderName: fmt.Sprintf("%s/%s", provider.GetProviderName(), provider.innerProvider.GetProviderName()), |
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} |
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return |
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} |
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func (provider *CLIProfileCredentialsProvider) GetProviderName() string { |
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return "cli_profile" |
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} |
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aliyun /
credentials-go
