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-rw-r--r--app/controllers/application_controller.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 65d4861..9734a33 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,6 +1,7 @@
class ApplicationController < ActionController::Base
protect_from_forgery
before_filter :no_cache_header
+ before_filter :no_frame_header
ActiveSupport.run_load_hooks(:application_controller, self)
@@ -25,4 +26,11 @@ class ApplicationController < ActionController::Base
response.headers["Expires"] = "0"
end
+ #
+ # prevent app from being embedded in an iframe, for browsers that support x-frame-options.
+ #
+ def no_frame_header
+ response.headers["X-Frame-Options"] = "DENY"
+ end
+
end