foodsoft/vendor/plugins/exception_notification/lib/exception_notifiable.rb

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2009-01-06 11:49:19 +01:00
require 'ipaddr'
# Copyright (c) 2005 Jamis Buck
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
module ExceptionNotifiable
def self.included(target)
target.extend(ClassMethods)
end
module ClassMethods
def consider_local(*args)
local_addresses.concat(args.flatten.map { |a| IPAddr.new(a) })
end
def local_addresses
addresses = read_inheritable_attribute(:local_addresses)
unless addresses
addresses = [IPAddr.new("127.0.0.1")]
write_inheritable_attribute(:local_addresses, addresses)
end
addresses
end
def exception_data(deliverer=self)
if deliverer == self
read_inheritable_attribute(:exception_data)
else
write_inheritable_attribute(:exception_data, deliverer)
end
end
def exceptions_to_treat_as_404
exceptions = [ActiveRecord::RecordNotFound,
ActionController::UnknownController,
ActionController::UnknownAction]
exceptions << ActionController::RoutingError if ActionController.const_defined?(:RoutingError)
exceptions
end
end
private
def local_request?
remote = IPAddr.new(request.remote_ip)
!self.class.local_addresses.detect { |addr| addr.include?(remote) }.nil?
end
def render_404
respond_to do |type|
type.html { render :file => "#{RAILS_ROOT}/public/404.html", :status => "404 Not Found" }
type.all { render :nothing => true, :status => "404 Not Found" }
end
end
def render_500
respond_to do |type|
type.html { render :file => "#{RAILS_ROOT}/public/500.html", :status => "500 Error" }
type.all { render :nothing => true, :status => "500 Error" }
end
end
def rescue_action_in_public(exception)
case exception
when *self.class.exceptions_to_treat_as_404
render_404
else
render_500
deliverer = self.class.exception_data
data = case deliverer
when nil then {}
when Symbol then send(deliverer)
when Proc then deliverer.call(self)
end
ExceptionNotifier.deliver_exception_notification(exception, self,
request, data)
end
end
end