4e14ccc74d
Instiki now runs on the Rails 2.3.0 Candidate Release. Among other improvements, this means that it now automagically selects between WEBrick and Mongrel. Just run ./instiki --daemon
52 lines
1.4 KiB
Ruby
52 lines
1.4 KiB
Ruby
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
|
|
$stderr.puts "Error during failsafe response: #{failsafe_error}"
|
|
end
|
|
|
|
def failsafe_response_body
|
|
error_path = "#{self.class.error_file_path}/500.html"
|
|
if File.exist?(error_path)
|
|
File.read(error_path)
|
|
else
|
|
"<html><body><h1>500 Internal Server Error</h1></body></html>"
|
|
end
|
|
end
|
|
|
|
def log_failsafe_exception(exception)
|
|
message = "/!\\ FAILSAFE /!\\ #{Time.now}\n Status: 500 Internal Server Error\n"
|
|
message << " #{exception}\n #{exception.backtrace.join("\n ")}" if exception
|
|
failsafe_logger.fatal(message)
|
|
end
|
|
|
|
def failsafe_logger
|
|
if defined?(Rails) && Rails.logger
|
|
Rails.logger
|
|
else
|
|
Logger.new($stderr)
|
|
end
|
|
end
|
|
end
|
|
end
|