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unauthorized_authenticator.go
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/
unauthorized_authenticator.go
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// Copyright 2022 Dimitrij Drus <dadrus@gmx.de>
//
// 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.
//
// SPDX-License-Identifier: Apache-2.0
package authenticators
import (
"github.com/rs/zerolog"
"github.com/dadrus/heimdall/internal/heimdall"
"github.com/dadrus/heimdall/internal/rules/mechanisms/subject"
"github.com/dadrus/heimdall/internal/x/errorchain"
)
// by intention. Used only during application bootstrap
//
//nolint:gochecknoinits
func init() {
registerTypeFactory(
func(id string, typ string, _ map[string]any) (bool, Authenticator, error) {
if typ != AuthenticatorUnauthorized {
return false, nil, nil
}
return true, newUnauthorizedAuthenticator(id), nil
})
}
type unauthorizedAuthenticator struct {
id string
}
func newUnauthorizedAuthenticator(id string) *unauthorizedAuthenticator {
return &unauthorizedAuthenticator{id: id}
}
func (a *unauthorizedAuthenticator) Execute(ctx heimdall.Context) (*subject.Subject, error) {
logger := zerolog.Ctx(ctx.AppContext())
logger.Debug().Str("_id", a.id).Msg("Authenticating using unauthorized authenticator")
return nil, errorchain.
NewWithMessage(heimdall.ErrAuthentication, "denied by authenticator").
WithErrorContext(a)
}
func (a *unauthorizedAuthenticator) WithConfig(_ map[string]any) (Authenticator, error) {
// nothing can be reconfigured
return a, nil
}
func (a *unauthorizedAuthenticator) IsFallbackOnErrorAllowed() bool {
// not allowed, as this authenticator fails always
return false
}
func (a *unauthorizedAuthenticator) ID() string {
return a.id
}