Initial commit of foodsoft 2

vendor/plugins/exception_notification/lib/exception_notifiable.rb

@@ -0,0 +1,99 @@
+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