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Ruby OAuth


This is a RubyGem for implementing both OAuth clients and servers in Ruby applications.

See the OAuth specs


sudo gem install oauth

You can also install it from the oauth rubyforge project

The source code is now hosted on the OAuth GitHub Project

The basics

This is a ruby library which is intended to be used in creating Ruby Consumer and Service Provider applications. It is NOT a Rails plugin, but could easily be used for the foundation for such a Rails plugin.

As a matter of fact it has been pulled out from an OAuth Rails Plugin which now requires this GEM.

Demonstration of usage

Create a new consumer instance by passing it a configuration hash:

@consumer ="key","secret", :site => "https://agree2")

Start the process by requesting a token

@request_token = @consumer.get_request_token
session[:request_token] = @request_token
redirect_to @request_token.authorize_url

When user returns create an access_token

@access_token = @request_token.get_access_token
@photos = @access_token.get('/photos.xml')

Now that you have an access token, you can use Typhoeus to interact with the OAuth provider if you choose.

oauth_params = {:consumer => oauth_consumer, :token => access_token}
hydra =
req =, options) 
oauth_helper =, oauth_params.merge(:request_uri => uri))
req.headers.merge!({"Authorization" => oauth_helper.header}) # Signs the request
@response = req.response

For more detailed instructions I have written this OAuth Client Tutorial and “How to turn your rails site into an OAuth Provider ” .

If you wish to use em-http-request, you can find an example “in the official em-http-request repository”

Finally be sure to check out the OAuth RDoc Manual .

Documentation Wiki

There is some documentation on the Google Code project for the “OAuth Rails Plugin” :


How to submit patches

Read the “8 steps for fixing other people's code”

The source code is now hosted on the OAuth GitHub Project

To submit a patch, please fork the oauth project and create a patch with tests. Once you're happy with it send a pull request and post a message to the google group.


This code is free to use under the terms of the MIT license.


OAuth Ruby has been created and maintained by a large number of talented individuals. The current maintainer is Aaron Quint (quirkey).

Comments are welcome. Send an email to via the OAuth Ruby mailing list

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