/
bearer_token.go
46 lines (38 loc) · 1.5 KB
/
bearer_token.go
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// Copyright 2020 The OpenTelemetry 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 configgrpc
import (
"context"
"fmt"
"google.golang.org/grpc/credentials"
)
var _ credentials.PerRPCCredentials = (*PerRPCAuth)(nil)
// PerRPCAuth is a gRPC credentials.PerRPCCredentials implementation that returns an 'authorization' header.
type PerRPCAuth struct {
metadata map[string]string
}
// BearerToken returns a new PerRPCAuth based on the given token.
func BearerToken(t string) *PerRPCAuth {
return &PerRPCAuth{
metadata: map[string]string{"authorization": fmt.Sprintf("Bearer %s", t)},
}
}
// GetRequestMetadata returns the request metadata to be used with the RPC.
func (c *PerRPCAuth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
return c.metadata, nil
}
// RequireTransportSecurity always returns true for this implementation. Passing bearer tokens in plain-text connections is a bad idea.
func (c *PerRPCAuth) RequireTransportSecurity() bool {
return true
}