/
bearertoken.go
39 lines (30 loc) · 1.1 KB
/
bearertoken.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package internal // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/purefareceiver/internal"
import (
"context"
"fmt"
"strings"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config/configauth"
"github.com/open-telemetry/opentelemetry-collector-contrib/extension/bearertokenauthextension"
)
func RetrieveBearerToken(authCfg configauth.Authentication, extensions map[component.ID]component.Component) (string, error) {
auth, err := authCfg.GetClientAuthenticator(extensions)
if err != nil {
return "", err
}
// only bearer token auth is supported for now
if _, ok := auth.(*bearertokenauthextension.BearerTokenAuth); !ok {
return "", fmt.Errorf("only bearer token auth extension is supported at this moment, but got %T", auth)
}
cr, err := auth.PerRPCCredentials()
if err != nil {
return "", err
}
headers, err := cr.GetRequestMetadata(context.Background(), "")
if err != nil {
return "", err
}
return strings.TrimPrefix(headers["authorization"], "Bearer "), nil
}