63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package anonymous
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import (
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"net/http"
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"k8s.io/apiserver/pkg/apis/apiserver"
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"k8s.io/apiserver/pkg/authentication/authenticator"
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"k8s.io/apiserver/pkg/authentication/user"
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)
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const (
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anonymousUser = user.Anonymous
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unauthenticatedGroup = user.AllUnauthenticated
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)
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type Authenticator struct {
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allowedPaths map[string]bool
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}
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func (a *Authenticator) AuthenticateRequest(req *http.Request) (*authenticator.Response, bool, error) {
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if len(a.allowedPaths) > 0 && !a.allowedPaths[req.URL.Path] {
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return nil, false, nil
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}
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auds, _ := authenticator.AudiencesFrom(req.Context())
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return &authenticator.Response{
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User: &user.DefaultInfo{
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Name: anonymousUser,
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Groups: []string{unauthenticatedGroup},
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},
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Audiences: auds,
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}, true, nil
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}
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// NewAuthenticator returns a new anonymous authenticator.
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// When conditions is empty all requests are authenticated as anonymous.
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// When conditions are non-empty only those requests that match the at-least one
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// condition are authenticated as anonymous.
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func NewAuthenticator(conditions []apiserver.AnonymousAuthCondition) authenticator.Request {
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allowedPaths := make(map[string]bool)
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for _, c := range conditions {
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allowedPaths[c.Path] = true
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}
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return &Authenticator{allowedPaths: allowedPaths}
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}
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