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interfaces.go
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interfaces.go
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/*
Copyright 2014 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 authenticator
import (
"context"
"net/http"
"k8s.io/apiserver/pkg/authentication/user"
)
// Token checks a string value against a backing authentication store and
// returns a Response or an error if the token could not be checked.
type Token interface {
AuthenticateToken(ctx context.Context, token string) (*Response, bool, error)
}
// Request attempts to extract authentication information from a request and
// returns a Response or an error if the request could not be checked.
type Request interface {
AuthenticateRequest(req *http.Request) (*Response, bool, error)
}
// Password checks a username and password against a backing authentication
// store and returns a Response or an error if the password could not be
// checked.
type Password interface {
AuthenticatePassword(ctx context.Context, user, password string) (*Response, bool, error)
}
// TokenFunc is a function that implements the Token interface.
type TokenFunc func(ctx context.Context, token string) (*Response, bool, error)
// AuthenticateToken implements authenticator.Token.
func (f TokenFunc) AuthenticateToken(ctx context.Context, token string) (*Response, bool, error) {
return f(ctx, token)
}
// RequestFunc is a function that implements the Request interface.
type RequestFunc func(req *http.Request) (*Response, bool, error)
// AuthenticateRequest implements authenticator.Request.
func (f RequestFunc) AuthenticateRequest(req *http.Request) (*Response, bool, error) {
return f(req)
}
// PasswordFunc is a function that implements the Password interface.
type PasswordFunc func(ctx context.Context, user, password string) (*Response, bool, error)
// AuthenticatePassword implements authenticator.Password.
func (f PasswordFunc) AuthenticatePassword(ctx context.Context, user, password string) (*Response, bool, error) {
return f(ctx, user, password)
}
// Response is the struct returned by authenticator interfaces upon successful
// authentication. It contains information about whether the authenticator
// authenticated the request, information about the context of the
// authentication, and information about the authenticated user.
type Response struct {
// Audiences is the set of audiences the authenticator was able to validate
// the token against. If the authenticator is not audience aware, this field
// will be empty.
Audiences Audiences
// User is the UserInfo associated with the authentication context.
User user.Info
}