75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
/*
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Copyright 2019 The KubeSphere 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 jwt
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import (
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"context"
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"k8s.io/apiserver/pkg/authentication/authenticator"
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"k8s.io/apiserver/pkg/authentication/user"
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"k8s.io/klog"
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iamv1alpha2 "kubesphere.io/api/iam/v1alpha2"
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"kubesphere.io/kubesphere/pkg/models/auth"
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iamv1alpha2listers "kubesphere.io/kubesphere/pkg/client/listers/iam/v1alpha2"
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)
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// TokenAuthenticator implements kubernetes token authenticate interface with our custom logic.
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// TokenAuthenticator will retrieve user info from cache by given token. If empty or invalid token
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// was given, authenticator will still give passed response at the condition user will be user.Anonymous
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// and group from user.AllUnauthenticated. This helps requests be passed along the handler chain,
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// because some resources are public accessible.
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type tokenAuthenticator struct {
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tokenOperator auth.TokenManagementInterface
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userLister iamv1alpha2listers.UserLister
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}
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func NewTokenAuthenticator(tokenOperator auth.TokenManagementInterface, userLister iamv1alpha2listers.UserLister) authenticator.Token {
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return &tokenAuthenticator{
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tokenOperator: tokenOperator,
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userLister: userLister,
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}
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}
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func (t *tokenAuthenticator) AuthenticateToken(ctx context.Context, token string) (*authenticator.Response, bool, error) {
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verified, err := t.tokenOperator.Verify(token)
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if err != nil {
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klog.Warning(err)
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return nil, false, err
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}
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if verified.User.GetName() == iamv1alpha2.PreRegistrationUser {
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return &authenticator.Response{
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User: verified.User,
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}, true, nil
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}
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u, err := t.userLister.Get(verified.User.GetName())
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if err != nil {
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return nil, false, err
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}
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return &authenticator.Response{
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User: &user.DefaultInfo{
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Name: u.GetName(),
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Groups: append(u.Spec.Groups, user.AllAuthenticated),
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},
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}, true, nil
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}
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