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a388976807
GAE managed VM runtime contains both appengine and appenginevm build tags. Currently, appengine.go is being built even if user wants to use the package on managed VM that errors with no "appengine" package to import.
61 lines
1.5 KiB
Go
61 lines
1.5 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 appenginevm
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package google
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import (
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"net/http"
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"github.com/golang/oauth2"
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"google.golang.org/appengine"
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)
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// AppEngineConfig represents a configuration for an
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// App Engine application's Google service account.
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type AppEngineConfig struct {
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// Transport is the http.RoundTripper to be used
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// to construct new oauth2.Transport instances from
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// this configuration.
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Transport http.RoundTripper
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context appengine.Context
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scopes []string
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}
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// NewAppEngineConfig creates a new AppEngineConfig for the
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// provided auth scopes.
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func NewAppEngineConfig(context appengine.Context, scopes []string) *AppEngineConfig {
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return &AppEngineConfig{
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context: context,
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scopes: scopes,
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}
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}
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// NewTransport returns a transport that authorizes
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// the requests with the application's service account.
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func (c *AppEngineConfig) NewTransport() *oauth2.Transport {
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return oauth2.NewTransport(c.transport(), c, nil)
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}
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// FetchToken fetches a new access token for the provided scopes.
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func (c *AppEngineConfig) FetchToken(existing *oauth2.Token) (*oauth2.Token, error) {
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token, expiry, err := appengine.AccessToken(c.context, c.scopes...)
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if err != nil {
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return nil, err
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}
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return &oauth2.Token{
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AccessToken: token,
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Expiry: expiry,
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}, nil
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}
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func (c *AppEngineConfig) transport() http.RoundTripper {
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if c.Transport != nil {
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return c.Transport
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}
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return http.DefaultTransport
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}
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