forked from Mirrors/oauth2
40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
// Copyright 2014 The oauth2 Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build appengine,!appenginevm
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// App Engine hooks.
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package oauth2
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import (
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"log"
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"net/http"
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"sync"
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"appengine"
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"appengine/urlfetch"
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)
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var warnOnce sync.Once
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func init() {
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registerContextClientFunc(contextClientAppEngine)
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}
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func contextClientAppEngine(ctx Context) (*http.Client, error) {
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if actx, ok := ctx.(appengine.Context); ok {
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return urlfetch.Client(actx), nil
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}
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// The user did it wrong. We'll log once (and hope they see it
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// in dev_appserver), but stil return (nil, nil) in case some
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// other contextClientFunc hook finds a way to proceed.
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warnOnce.Do(gaeDoingItWrongHelp)
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return nil, nil
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}
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func gaeDoingItWrongHelp() {
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log.Printf("WARNING: you attempted to use the oauth2 package without passing a valid appengine.Context or *http.Request as the oauth2.Context. App Engine requires that all service RPCs (including urlfetch) be associated with an *http.Request/appengine.Context.")
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}
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