OpenAM based authentication support gem
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README.md

OpenamAuth

ruby authentication client for forgerock OpenAM server (http://forgerock.com/products/open-identity-stack/openam/), this ruby client will work with OpenAM Policy Agent for Nginx https://bitbucket.org/hamano/nginx-mod-am

Read more about OpenAM REST api

https://wikis.forgerock.org/confluence/display/openam/Use+OpenAM+RESTful+Services

Installation

Add this line to your application's Gemfile:

gem 'openam_auth'

And then execute:

$ bundle

Or install it yourself as:

$ gem install openam_auth

Running tests

rspec

Usage

Using with Devise

  1. install the gem (as described above)
  2. create a file in config/initializers
    #config/initializers/openam_config.rb
    OpenamConfig.config do
      openam_url <Path to your openam server>
    end
  1. openam_auth assumes you have a User model in you project and it has the following two methods implemented
   
   class User 
     
     # sends the token (from openam server) as a parameter
     def self.existing_user_by_token(token)
       # this method should return a user object, if matching record found
       # or nil if there are not matching record found
     end
     
     # authentication token from OpenAm server
     # user hash 
     # ex: { "sn" => ["admin"] }
     # NOTE: hash will have the key and value array
     def self.update_openam_user(token, hash)
       #this method should either update the existing user token, if user found
       #or create a new user and return that user
     end
     
   end

Note, you may want to add some more columns for the existing users table to accomodate the values passed by the hash. Read the section 3.5. Token Validation, Attribute Retrieval http://openam.forgerock.org/openam-documentation/openam-doc-source/doc/dev-guide/#rest-api-auth for more info.

  1. in your controller , Ex: ApplicationController, include the OpenamAuth::Authenticate module
   class ApplicationController < ActionController::Base
      include OpenamAuth::Authenticate
   end

5 . Finally implement the before_filter for authenticate_user!

   before_filter :authenticate_user!    

6 . For logout you could use openam_logout with current user token from your controller

  openam_logout(<current user token>)

Special thanks :)

https://github.com/tychobrailleur/openam-sample

http://speakmy.name/2011/05/29/simple-configuration-for-ruby-apps/

http://say26.com/rspec-testing-controllers-outside-of-a-rails-application

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request