response.go

Documentation: sigs.k8s.io/controller-runtime/pkg/webhook/authentication

     1  /*
     2  Copyright 2021 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8     http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package authentication
    18  
    19  import (
    20  	authenticationv1 "k8s.io/api/authentication/v1"
    21  )
    22  
    23  // Authenticated constructs a response indicating that the given token
    24  // is valid.
    25  func Authenticated(reason string, user authenticationv1.UserInfo) Response {
    26  	return ReviewResponse(true, user, reason)
    27  }
    28  
    29  // Unauthenticated constructs a response indicating that the given token
    30  // is not valid.
    31  func Unauthenticated(reason string, user authenticationv1.UserInfo) Response {
    32  	return ReviewResponse(false, authenticationv1.UserInfo{}, reason)
    33  }
    34  
    35  // Errored creates a new Response for error-handling a request.
    36  func Errored(err error) Response {
    37  	return Response{
    38  		TokenReview: authenticationv1.TokenReview{
    39  			Spec: authenticationv1.TokenReviewSpec{},
    40  			Status: authenticationv1.TokenReviewStatus{
    41  				Authenticated: false,
    42  				Error:         err.Error(),
    43  			},
    44  		},
    45  	}
    46  }
    47  
    48  // ReviewResponse returns a response for admitting a request.
    49  func ReviewResponse(authenticated bool, user authenticationv1.UserInfo, err string, audiences ...string) Response {
    50  	resp := Response{
    51  		TokenReview: authenticationv1.TokenReview{
    52  			Status: authenticationv1.TokenReviewStatus{
    53  				Authenticated: authenticated,
    54  				User:          user,
    55  				Audiences:     audiences,
    56  			},
    57  		},
    58  	}
    59  	if len(err) > 0 {
    60  		resp.TokenReview.Status.Error = err
    61  	}
    62  	return resp
    63  }
    64
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