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  1. 7fdf099 clientcredentials: update RFC doc link by Eric Chiang · 9 days ago master
  2. 7374b3f internal: recognize Salesforce and Okta domains as broken providers by Eric Chiang · 9 days ago
  3. 30fcca6 note that Gerrit is used for reviews on README by Jaana Burcu Dogan · 2 weeks ago
  4. 1611bb4 internal: don't set client_id and client_secret form values if empty by Jaana Burcu Dogan · 2 weeks ago
  5. 01b79d9 clientcredentials: add option for additional endpoint parameters by Richard Musiol · 2 weeks ago

OAuth2 for Go

Build Status GoDoc

oauth2 package contains a client implementation for OAuth 2.0 spec.

Installation

go get golang.org/x/oauth2

See godoc for further documentation and examples.

App Engine

In change 96e89be (March 2015) we removed the oauth2.Context2 type in favor of the context.Context type from the golang.org/x/net/context package

This means its no longer possible to use the “Classic App Engine” appengine.Context type with the oauth2 package. (You're using Classic App Engine if you import the package "appengine".)

To work around this, you may use the new "google.golang.org/appengine" package. This package has almost the same API as the "appengine" package, but it can be fetched with go get and used on “Managed VMs” and well as Classic App Engine.

See the new appengine package's readme for information on updating your app.

If you don't want to update your entire app to use the new App Engine packages, you may use both sets of packages in parallel, using only the new packages with the oauth2 package.

import (
	"golang.org/x/net/context"
	"golang.org/x/oauth2"
	"golang.org/x/oauth2/google"
	newappengine "google.golang.org/appengine"
	newurlfetch "google.golang.org/appengine/urlfetch"

	"appengine"
)

func handler(w http.ResponseWriter, r *http.Request) {
	var c appengine.Context = appengine.NewContext(r)
	c.Infof("Logging a message with the old package")

	var ctx context.Context = newappengine.NewContext(r)
	client := &http.Client{
		Transport: &oauth2.Transport{
			Source: google.AppEngineTokenSource(ctx, "scope"),
			Base:   &newurlfetch.Transport{Context: ctx},
		},
	}
	client.Get("...")
}

Contributing

We appreciate your help!

To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

Note that the Go project does not use GitHub pull requests but uses Gerrit for code reviews. See the contribution guide for details.