Loginza - is interactive JavaScript widget provides visitors to your sites, a wide range of options for authentication through the accounts of common WEB-portals and service (Yandex, Google, and TA. See full list providers). Easy to learn Loginza.API.

Via rails plugin:

Rails 3:

gem 'loginza'

Rails 2:

./script/plugin install git://github.com/galetahub/loginza.git

Via rails gem:

sudo gem install loginza

Simple example:

<%= loginza_button_tag("Login via OpenID", clients_url) %>

With set of providers:

<%= loginza_button_tag("Login via OpenID", clients_url, :providers => [ :google, :facebook, :twitter ]) %>

With default provider:

<%= loginza_button_tag("Login via OpenID", clients_url, :provider => :google) %>

With a block:

<%= loginza_button_tag(clients_url, :provider => :google) do %>
 <div class='loginza'>
   <img src="http://loginza.ru/img/providers/google.png" alt="Google" title="Google Accounts">
   <img src="http://loginza.ru/img/providers/twitter.png" alt="Twitter" title="Twitter">
   <img src="http://loginza.ru/img/providers/yandex.png" alt="Yandex" title="Yandex">
   <img src="http://loginza.ru/img/providers/myopenid.png" alt="MyOpenID" title="MyOpenID">
   <img src="http://loginza.ru/img/providers/openid.png" alt="OpenID" title="OpenID">
 </div>
<% end %>

<%= loginza_frame_tag(clients_url, { :providers => [:google, :yandex, :mailru] }, { :style => "width:400px;height:350px;" }) %>

class ClientsController < ApplicationController

  def create
    if data = Loginza.user_data(params[:token])
      client = Client.find_or_create(data)
      redirect_to root_path
    else
      redirect_to login_path
    end
  end    

end

Copyright © 2011 Aimbulance, released under the MIT license