From a0f2b1d95d3785de92ae271fd7ea23e91c0cadc6 Mon Sep 17 00:00:00 2001 From: Joshua Peek Date: Tue, 27 Jan 2009 18:17:39 -0600 Subject: Reorganize ActionController folder structure --- .../action_controller/dispatch/rack/failsafe.rb | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 actionpack/lib/action_controller/dispatch/rack/failsafe.rb (limited to 'actionpack/lib/action_controller/dispatch/rack/failsafe.rb') diff --git a/actionpack/lib/action_controller/dispatch/rack/failsafe.rb b/actionpack/lib/action_controller/dispatch/rack/failsafe.rb new file mode 100644 index 0000000000..567581142c --- /dev/null +++ b/actionpack/lib/action_controller/dispatch/rack/failsafe.rb @@ -0,0 +1,52 @@ +module ActionController + class Failsafe + cattr_accessor :error_file_path + self.error_file_path = Rails.public_path if defined?(Rails.public_path) + + def initialize(app) + @app = app + end + + def call(env) + @app.call(env) + rescue Exception => exception + # Reraise exception in test environment + if env["rack.test"] + raise exception + else + failsafe_response(exception) + end + end + + private + def failsafe_response(exception) + log_failsafe_exception(exception) + [500, {'Content-Type' => 'text/html'}, failsafe_response_body] + rescue Exception => failsafe_error # Logger or IO errors + $stderr.puts "Error during failsafe response: #{failsafe_error}" + end + + def failsafe_response_body + error_path = "#{self.class.error_file_path}/500.html" + if File.exist?(error_path) + File.read(error_path) + else + "

500 Internal Server Error

" + end + end + + def log_failsafe_exception(exception) + message = "/!\\ FAILSAFE /!\\ #{Time.now}\n Status: 500 Internal Server Error\n" + message << " #{exception}\n #{exception.backtrace.join("\n ")}" if exception + failsafe_logger.fatal(message) + end + + def failsafe_logger + if defined?(Rails) && Rails.logger + Rails.logger + else + Logger.new($stderr) + end + end + end +end -- cgit v1.2.3