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authenticator.go
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authenticator.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2023 Tencent. All Rights Reserved.
*
* 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package authenticator
import (
"sync"
"github.com/gin-gonic/gin"
"tkestack.io/kstone/cmd/kstone-api/config"
"tkestack.io/kstone/pkg/authentication"
)
const (
ProviderName = "generic"
)
var (
once sync.Once
instance *Authenticator
)
type Authenticator struct{}
func init() {
authentication.RegisterAuthenticatorFactory(ProviderName,
func(ctx *authentication.AuthenticatorContext) (authentication.Request, error) {
return initAuthenticatorInstance(ctx)
},
)
}
func initAuthenticatorInstance(ctx *authentication.AuthenticatorContext) (*Authenticator, error) {
once.Do(func() {
instance = &Authenticator{}
})
return instance, nil
}
// AuthenticateRequest authenticates the request using custom authenticator.Request objects.
func (a *Authenticator) AuthenticateRequest(ctx *gin.Context) (*authentication.Response, bool, error) {
authenticator, err := authentication.GetAuthenticatorProvider(config.Cfg.Authenticator, &authentication.AuthenticatorContext{})
if err != nil {
return authentication.UnauthenticatedResponse(), false, err
}
return authenticator.AuthenticateRequest(ctx)
}