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localizer.go
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localizer.go
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// Copyright 2017 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 errors
import (
"errors"
"strings"
jose "gopkg.in/square/go-jose.v2"
k8sErrors "k8s.io/apimachinery/pkg/api/errors"
)
// Errors that can be used directly without localizing
const (
MSG_DEPLOY_NAMESPACE_MISMATCH_ERROR = "MSG_DEPLOY_NAMESPACE_MISMATCH_ERROR"
MSG_DEPLOY_EMPTY_NAMESPACE_ERROR = "MSG_DEPLOY_EMPTY_NAMESPACE_ERROR"
MSG_LOGIN_UNAUTHORIZED_ERROR = "MSG_LOGIN_UNAUTHORIZED_ERROR"
MSG_ENCRYPTION_KEY_CHANGED = "MSG_ENCRYPTION_KEY_CHANGED"
MSG_DASHBOARD_EXCLUSIVE_RESOURCE_ERROR = "MSG_DASHBOARD_EXCLUSIVE_RESOURCE_ERROR"
MSG_TOKEN_EXPIRED_ERROR = "MSG_TOKEN_EXPIRED_ERROR"
)
// This file contains all errors that should be kept in sync with:
// 'src/app/frontend/common/errorhandling/errors.js' and localized on frontend side.
// partialsToErrorsMap map structure:
// Key - unique partial string that can be used to differentiate error messages
// Value - unique error code string that frontend can use to localize error message created using
// pattern MSG_<VIEW>_<CAUSE_OF_ERROR>_ERROR
// <VIEW> - optional
var partialsToErrorsMap = map[string]string{
"does not match the namespace": MSG_DEPLOY_NAMESPACE_MISMATCH_ERROR,
"empty namespace may not be set": MSG_DEPLOY_EMPTY_NAMESPACE_ERROR,
"the server has asked for the client to provide credentials": MSG_LOGIN_UNAUTHORIZED_ERROR,
jose.ErrCryptoFailure.Error(): MSG_ENCRYPTION_KEY_CHANGED,
}
// LocalizeError returns error code (string) that can be used by frontend to localize error message.
func LocalizeError(err error) error {
if err == nil {
return nil
}
for partial, errString := range partialsToErrorsMap {
if strings.Contains(err.Error(), partial) {
if k8sErrors.IsUnauthorized(err) {
return k8sErrors.NewUnauthorized(errString)
}
return errors.New(errString)
}
}
return err
}