39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
// Copyright 2012 Google Inc. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Package transport contains HTTP transports used to make
|
|
// authenticated API requests.
|
|
package transport
|
|
|
|
import (
|
|
"errors"
|
|
"net/http"
|
|
)
|
|
|
|
// APIKey is an HTTP Transport which wraps an underlying transport and
|
|
// appends an API Key "key" parameter to the URL of outgoing requests.
|
|
type APIKey struct {
|
|
// Key is the API Key to set on requests.
|
|
Key string
|
|
|
|
// Transport is the underlying HTTP transport.
|
|
// If nil, http.DefaultTransport is used.
|
|
Transport http.RoundTripper
|
|
}
|
|
|
|
func (t *APIKey) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
rt := t.Transport
|
|
if rt == nil {
|
|
rt = http.DefaultTransport
|
|
if rt == nil {
|
|
return nil, errors.New("googleapi/transport: no Transport specified or available")
|
|
}
|
|
}
|
|
newReq := *req
|
|
args := newReq.URL.Query()
|
|
args.Set("key", t.Key)
|
|
newReq.URL.RawQuery = args.Encode()
|
|
return rt.RoundTrip(&newReq)
|
|
}
|