LDAP BASE IMPLEMENRTATION

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