add CAS authentication support

1 files changed, 15 insertions, 1 deletions

diff --git a/app/controllers/omniauth_callbacks_controller.rb b/app/controllers/omniauth_callbacks_controller.rb
index f809fa7500a..4cad98b8e98 100644
--- a/app/controllers/omniauth_callbacks_controller.rb
+++ b/app/controllers/omniauth_callbacks_controller.rb
@@ -1,6 +1,6 @@
 class OmniauthCallbacksController < Devise::OmniauthCallbacksController
 
-  protect_from_forgery except: [:kerberos, :saml]
+  protect_from_forgery except: [:kerberos, :saml, :cas3]
 
   Gitlab.config.omniauth.providers.each do |provider|
     define_method provider['name'] do
@@ -42,6 +42,14 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
     render 'errors/omniauth_error', layout: "errors", status: 422
   end
 
+  def cas3
+    ticket = params['ticket']
+    if ticket
+      handle_service_ticket oauth['provider'], ticket
+    end
+    handle_omniauth
+  end
+
   private
 
   def handle_omniauth
@@ -84,6 +92,12 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
     redirect_to new_user_session_path
   end
 
+  def handle_service_ticket provider, ticket
+    Gitlab::OAuth::Session.create provider, ticket
+    session[:service_tickets] ||= {}
+    session[:service_tickets][provider] = ticket
+  end
+
   def oauth
     @oauth ||= request.env['omniauth.auth']
   end