Golang serviceaccount.ReadPublicKey函数代码示例

func ValidateServiceAccountConfig(config api.ServiceAccountConfig, builtInKubernetes bool, fldPath *field.Path) ValidationResults {
	validationResults := ValidationResults{}

	managedNames := sets.NewString(config.ManagedNames...)
	managedNamesPath := fldPath.Child("managedNames")
	if !managedNames.Has(bootstrappolicy.BuilderServiceAccountName) {
		validationResults.AddWarnings(field.Invalid(managedNamesPath, "", fmt.Sprintf("missing %q, which will require manual creation in each namespace before builds can run", bootstrappolicy.BuilderServiceAccountName)))
	}
	if !managedNames.Has(bootstrappolicy.DeployerServiceAccountName) {
		validationResults.AddWarnings(field.Invalid(managedNamesPath, "", fmt.Sprintf("missing %q, which will require manual creation in each namespace before deployments can run", bootstrappolicy.DeployerServiceAccountName)))
	}
	if builtInKubernetes && !managedNames.Has(bootstrappolicy.DefaultServiceAccountName) {
		validationResults.AddWarnings(field.Invalid(managedNamesPath, "", fmt.Sprintf("missing %q, which will prevent creation of pods that do not specify a valid service account", bootstrappolicy.DefaultServiceAccountName)))
	}

	for i, name := range config.ManagedNames {
		if ok, msg := kvalidation.ValidateServiceAccountName(name, false); !ok {
			validationResults.AddErrors(field.Invalid(managedNamesPath.Index(i), name, msg))
		}
	}

	if len(config.PrivateKeyFile) > 0 {
		privateKeyFilePath := fldPath.Child("privateKeyFile")
		if fileErrs := ValidateFile(config.PrivateKeyFile, privateKeyFilePath); len(fileErrs) > 0 {
			validationResults.AddErrors(fileErrs...)
		} else if privateKey, err := serviceaccount.ReadPrivateKey(config.PrivateKeyFile); err != nil {
			validationResults.AddErrors(field.Invalid(privateKeyFilePath, config.PrivateKeyFile, err.Error()))
		} else if err := privateKey.Validate(); err != nil {
			validationResults.AddErrors(field.Invalid(privateKeyFilePath, config.PrivateKeyFile, err.Error()))
		}
	} else if builtInKubernetes {
		validationResults.AddWarnings(field.Invalid(fldPath.Child("privateKeyFile"), "", "no service account tokens will be generated, which could prevent builds and deployments from working"))
	}

	if len(config.PublicKeyFiles) == 0 {
		validationResults.AddWarnings(field.Invalid(fldPath.Child("publicKeyFiles"), "", "no service account tokens will be accepted by the API, which will prevent builds and deployments from working"))
	}
	for i, publicKeyFile := range config.PublicKeyFiles {
		idxPath := fldPath.Child("publicKeyFiles").Index(i)
		if fileErrs := ValidateFile(publicKeyFile, idxPath); len(fileErrs) > 0 {
			validationResults.AddErrors(fileErrs...)
		} else if _, err := serviceaccount.ReadPublicKey(publicKeyFile); err != nil {
			validationResults.AddErrors(field.Invalid(idxPath, publicKeyFile, err.Error()))
		}
	}

	if len(config.MasterCA) > 0 {
		validationResults.AddErrors(ValidateFile(config.MasterCA, fldPath.Child("masterCA"))...)
	} else if builtInKubernetes {
		validationResults.AddWarnings(field.Invalid(fldPath.Child("masterCA"), "", "master CA information will not be automatically injected into pods, which will prevent verification of the API server from inside a pod"))
	}

	return validationResults
}

func newAuthenticator(config configapi.MasterConfig, etcdHelper storage.Interface, tokenGetter serviceaccount.ServiceAccountTokenGetter, apiClientCAs *x509.CertPool, groupMapper identitymapper.UserToGroupMapper) authenticator.Request {
	authenticators := []authenticator.Request{}

	// ServiceAccount token
	if len(config.ServiceAccountConfig.PublicKeyFiles) > 0 {
		publicKeys := []*rsa.PublicKey{}
		for _, keyFile := range config.ServiceAccountConfig.PublicKeyFiles {
			publicKey, err := serviceaccount.ReadPublicKey(keyFile)
			if err != nil {
				glog.Fatalf("Error reading service account key file %s: %v", keyFile, err)
			}
			publicKeys = append(publicKeys, publicKey)
		}
		tokenAuthenticator := serviceaccount.JWTTokenAuthenticator(publicKeys, true, tokenGetter)
		authenticators = append(authenticators, bearertoken.New(tokenAuthenticator, true))
	}

	// OAuth token
	if config.OAuthConfig != nil {
		tokenAuthenticator := getEtcdTokenAuthenticator(etcdHelper, groupMapper)
		tokenRequestAuthenticators := []authenticator.Request{
			bearertoken.New(tokenAuthenticator, true),
			// Allow token as access_token param for WebSockets
			paramtoken.New("access_token", tokenAuthenticator, true),
		}

		authenticators = append(authenticators,
			// if you have a bearer token, you're a human (usually)
			group.NewGroupAdder(unionrequest.NewUnionAuthentication(tokenRequestAuthenticators...), []string{bootstrappolicy.HumanGroup}))
	}

	if configapi.UseTLS(config.ServingInfo.ServingInfo) {
		// build cert authenticator
		// TODO: add "system:" prefix in authenticator, limit cert to username
		// TODO: add "system:" prefix to groups in authenticator, limit cert to group name
		opts := x509request.DefaultVerifyOptions()
		opts.Roots = apiClientCAs
		certauth := x509request.New(opts, x509request.SubjectToUserConversion)
		authenticators = append(authenticators, certauth)
	}

	ret := &unionrequest.Authenticator{
		FailOnError: true,
		Handlers: []authenticator.Request{
			group.NewGroupAdder(unionrequest.NewUnionAuthentication(authenticators...), []string{bootstrappolicy.AuthenticatedGroup}),
			anonymous.NewAuthenticator(),
		},
	}

	return ret
}

// newServiceAccountAuthenticator returns an authenticator.Request or an error
func newServiceAccountAuthenticator(keyfile string, lookup bool, storage storage.Interface) (authenticator.Request, error) {
	publicKey, err := serviceaccount.ReadPublicKey(keyfile)
	if err != nil {
		return nil, err
	}

	var serviceAccountGetter serviceaccount.ServiceAccountTokenGetter
	if lookup {
		// If we need to look up service accounts and tokens,
		// go directly to etcd to avoid recursive auth insanity
		serviceAccountGetter = serviceaccount.NewGetterFromStorageInterface(storage)
	}

	tokenAuthenticator := serviceaccount.JWTTokenAuthenticator([]*rsa.PublicKey{publicKey}, lookup, serviceAccountGetter)
	return bearertoken.New(tokenAuthenticator), nil
}

// IsValidServiceAccountKeyFile returns true if a valid public RSA key can be read from the given file
func IsValidServiceAccountKeyFile(file string) bool {
	_, err := serviceaccount.ReadPublicKey(file)
	return err == nil
}