1 files changed, 15 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/log_subscriber.rb b/actionpack/lib/action_controller/log_subscriber.rb
index 3d274e7dd7..b1acca2435 100644
--- a/actionpack/lib/action_controller/log_subscriber.rb
+++ b/actionpack/lib/action_controller/log_subscriber.rb
@@ -33,7 +33,7 @@ module ActionController
     end
 
     def halted_callback(event)
-      info("Filter chain halted as #{event.payload[:filter]} rendered or redirected")
+      info("Filter chain halted as #{event.payload[:filter].inspect} rendered or redirected")
     end
 
     def send_file(event)
@@ -48,6 +48,20 @@ module ActionController
       info("Sent data #{event.payload[:filename]} (#{event.duration.round(1)}ms)")
     end
 
+    def unpermitted_parameters(event)
+      unpermitted_keys = event.payload[:keys]
+      debug("Unpermitted parameter#{'s' if unpermitted_keys.size > 1}: #{unpermitted_keys.join(", ")}")
+    end
+
+    def deep_munge(event)
+      message = "Value for params[:#{event.payload[:keys].join('][:')}] was set "\
+                "to nil, because it was one of [], [null] or [null, null, ...]. "\
+                "Go to http://guides.rubyonrails.org/security.html#unsafe-query-generation "\
+                "for more information."\
+
+      debug(message)
+    end
+
     %w(write_fragment read_fragment exist_fragment?
        expire_fragment expire_page write_page).each do |method|
       class_eval <<-METHOD, __FILE__, __LINE__ + 1