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devise_oauth2_providable

Rails3 engine that brings OAuth2 Provider support to your application.

Current OAuth2 Specification Draft: http://tools.ietf.org/html/draft-ietf-oauth-v2-22

Features

  • integrate OAuth2 authentication with Devise authenthentication stack
  • one-stop-shop includes all Models, Controllers and Views to get up and running quickly
  • All server requests support authentication via bearer token included in the request. http://tools.ietf.org/html/draft-ietf-oauth-v2-bearer-04
  • customizable mount point for oauth2 routes (ex: /oauth2 vs /oauth)

Requirements

  • Devise authentication library
  • Rails 3.1 or higher

Installation

Install gem

# Gemfile
gem 'devise_oauth2_providable'

Migrate database for Oauth2 models

$ rake devise_oauth2_providable:install:migrations
$ rake db:migrate

Add Oauth2 Routes

# config/routes.rb
Rails.application.routes.draw do
  # oauth routes can be mounted to any path (ex: /oauth2 or /oauth)
  mount Devise::Oauth2Providable::Engine => '/oauth2'
end

Configure User for supported Oauth2 flows

class User
  # NOTE: include :database_authenticatable configuration
  # if supporting Resource Owner Password Credentials Grant Type
  devise :oauth2_providable, 
    :oauth2_password_grantable,
    :oauth2_refresh_token_grantable,
    :oauth2_authorization_code_grantable
end

(optional) Configure token expiration settings

# config/application.rb
config.devise_oauth2_providable.access_token_expires_in         = 1.second # 15.minute default
config.devise_oauth2_providable.refresh_token_expires_in        = 1.minute # 1.month default
config.devise_oauth2_providable.authorization_token_expires_in  = 5.seconds # 1.minute default

Models

Client

registered OAuth2 client for storing the unique client_id and client_secret.

AccessToken

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-1.3

Short lived token used by clients to perform subsequent requests (see bearer token spec)

expires after 15min by default. to customize the duration of the access token:

Devise::Oauth2Providable::AccessToken.default_lifetime = 1.minute

RefreshToken

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-1.5

Long lived token used by clients to request new access tokens without requiring user intervention to re-authorize.

expires after 1 month by default. to customize the duration of refresh token:

Devise::Oauth2Providable::RefreshToken.default_lifetime = 1.year

AuthorizationCode

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-1.4.1

Very short lived token created to allow a client to request an access token after a user has gone through the authorization flow.

expires after 1min by default. to customize the duration of the authorization code:

Devise::Oauth2Providable::AuthorizationCode.default_lifetime = 5.minutes

Routes

/oauth2/authorize

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-2.1

Endpoint to start client authorization flow. Models, controllers and views are included for out of the box deployment.

Supports the Authorization Code and Implicit grant types.

/oauth2/token

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-2.2

Endpoint to request access token. See grant type documentation for supported flows.

Grant Types

Resource Owner Password Credentials Grant Type

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-4.3

in order to use the Resource Owner Password Credentials Grant Type, your Devise model must be configured with the :database_authenticatable option

Client Credentials Grant Type

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-4.4

Authorization Code Grant Type

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-4.1

Implicit Grant Type

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-4.2

Refresh Token Grant Type

http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-6

Contributing

  • Fork the project
  • Fix the issue
  • Add unit tests
  • Submit pull request on github

See CONTRIBUTORS.txt for list of project contributors

Copyright

Copyright (c) 2011 Socialcast, Inc. See LICENSE.txt for further details.