X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/b8a8a88004d25837a10436fdc13128146b32c32b..a50ad1c895f2d7ed3dfa4d40f3748ae6fb801256:/app/controllers/application_controller.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index bd1995014..690bdf5ca 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -3,6 +3,8 @@ class ApplicationController < ActionController::Base
 
   protect_from_forgery :with => :exception
 
+  rescue_from CanCan::AccessDenied, :with => :deny_access
+
   before_action :fetch_body
   around_action :better_errors_allow_inline, :if => proc { Rails.env.development? }
 
@@ -466,6 +468,28 @@ class ApplicationController < ActionController::Base
     raise
   end
 
+  def current_ability
+    Ability.new(current_user).merge(granted_capability)
+  end
+
+  def granted_capability
+    Capability.new(current_user, current_token)
+  end
+
+  def deny_access(_exception)
+    if current_token
+      set_locale
+      report_error t("oauth.permissions.missing"), :forbidden
+    elsif current_user
+      set_locale
+      report_error t("application.permission_denied"), :forbidden
+    elsif request.get?
+      redirect_to :controller => "users", :action => "login", :referer => request.fullpath
+    else
+      head :forbidden
+    end
+  end
+
   private
 
   # extract authorisation credentials from headers, returns user = nil if none