dubbo.apache.org/dubbo-go/v3@v3.1.1/xds/credentials/token_provider.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package credentials
    19  
    20  import (
    21  	"context"
    22  	"os"
    23  )
    24  
    25  // provide k8s service account
    26  type saTokenProvider struct {
    27  	Token     string
    28  	tokenPath string
    29  }
    30  
    31  // NewSaTokenProvider return a provider
    32  func NewSaTokenProvider(tokenPath string) (*saTokenProvider, error) {
    33  	sa, err := os.ReadFile(tokenPath)
    34  	if err != nil {
    35  		return nil, err
    36  	}
    37  	return &saTokenProvider{
    38  		tokenPath: tokenPath,
    39  		Token:     string(sa),
    40  	}, nil
    41  }
    42  
    43  // GetRequestMetadata return meta of authorization
    44  func (s *saTokenProvider) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
    45  
    46  	meta := make(map[string]string)
    47  
    48  	meta["authorization"] = "Bearer " + s.Token
    49  	return meta, nil
    50  }
    51  
    52  // RequireTransportSecurity always false
    53  func (s *saTokenProvider) RequireTransportSecurity() bool {
    54  	return false
    55  }