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Diffstat (limited to 'vendor/cloud.google.com/go/internal/cloud.go')
-rw-r--r-- | vendor/cloud.google.com/go/internal/cloud.go | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/vendor/cloud.google.com/go/internal/cloud.go b/vendor/cloud.google.com/go/internal/cloud.go deleted file mode 100644 index 8e0c8f8..0000000 --- a/vendor/cloud.google.com/go/internal/cloud.go +++ /dev/null @@ -1,64 +0,0 @@ -// Copyright 2014 Google Inc. All Rights Reserved. -// -// 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 internal provides support for the cloud packages. -// -// Users should not import this package directly. -package internal - -import ( - "fmt" - "net/http" -) - -const userAgent = "gcloud-golang/0.1" - -// Transport is an http.RoundTripper that appends Google Cloud client's -// user-agent to the original request's user-agent header. -type Transport struct { - // TODO(bradfitz): delete internal.Transport. It's too wrappy for what it does. - // Do User-Agent some other way. - - // Base is the actual http.RoundTripper - // requests will use. It must not be nil. - Base http.RoundTripper -} - -// RoundTrip appends a user-agent to the existing user-agent -// header and delegates the request to the base http.RoundTripper. -func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) { - req = cloneRequest(req) - ua := req.Header.Get("User-Agent") - if ua == "" { - ua = userAgent - } else { - ua = fmt.Sprintf("%s %s", ua, userAgent) - } - req.Header.Set("User-Agent", ua) - return t.Base.RoundTrip(req) -} - -// cloneRequest returns a clone of the provided *http.Request. -// The clone is a shallow copy of the struct and its Header map. -func cloneRequest(r *http.Request) *http.Request { - // shallow copy of the struct - r2 := new(http.Request) - *r2 = *r - // deep copy of the Header - r2.Header = make(http.Header) - for k, s := range r.Header { - r2.Header[k] = s - } - return r2 -} |