LDAP BASE IMPLEMENRTATION

app/assets/javascripts/users/omniauth_callbacks.js.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/

app/assets/stylesheets/users/omniauth_callbacks.css.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Users::OmniauthCallbacks controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/users/omniauth_callbacks_controller.rb

@@ -0,0 +1,22 @@
+class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
+ 
+  def ldap
+    # We only find ourselves here if the authentication to LDAP was successful.
+    ldap = request.env["omniauth.auth"]["extra"]["raw_info"]
+    username = ldap.sAMAccountName[0].to_s
+    email = ldap.proxyaddresses[0][5..-1].to_s
+ 
+    if @user = User.find_by_email(email)
+        sign_in_and_redirect root_path
+    else
+      password = User.generate_random_password
+        @user = User.create(:name => username,
+                            :email => email,
+                            :password => password,
+                            :password_confirmation => password
+                           )
+        sign_in_and_redirect @user
+    end
+  end
+
+end

app/helpers/users/omniauth_callbacks_helper.rb

@@ -0,0 +1,2 @@
+module Users::OmniauthCallbacksHelper
+end

app/models/user.rb

@@ -2,7 +2,7 @@ class User < ActiveRecord::Base
   # Include default devise modules. Others available are:
   # :token_authenticatable, :encryptable, :confirmable, :lockable, :timeoutable and :omniauthable
   devise :database_authenticatable, :token_authenticatable,
-         :recoverable, :rememberable, :trackable, :validatable
+         :recoverable, :rememberable, :trackable, :validatable, :omniauthable
 
   # Setup accessible (or protected) attributes for your model
   attr_accessible :email, :password, :password_confirmation, :remember_me,
@@ -62,6 +62,10 @@ class User < ActiveRecord::Base
   def last_activity_project
     projects.first
   end
+
+  def self.generate_random_password
+    (0...8).map{ ('a'..'z').to_a[rand(26)] }.join
+  end 
 end
 # == Schema Information
 #

app/views/devise/sessions/new.html.erb

@@ -9,4 +9,5 @@
   <br/>
   <%= f.submit "Sign in", :class => "grey-button" %>
   <div class="right"> <%= render :partial => "devise/shared/links" %></div>
+  <%= user_omniauth_authorize_path(:ldap)%>
 <% end %>