added exception notifier plugin to catch all exceptions

3 files changed, 243 insertions, 0 deletions

diff --git a/vendor/plugins/exception_notification/lib/exception_notifiable.rb b/vendor/plugins/exception_notification/lib/exception_notifiable.rb
new file mode 100644
index 0000000..d5e28fc
--- /dev/null
+++ b/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
diff --git a/vendor/plugins/exception_notification/lib/exception_notifier.rb b/vendor/plugins/exception_notification/lib/exception_notifier.rb
new file mode 100644
index 0000000..72e2e1a
--- /dev/null
+++ b/vendor/plugins/exception_notification/lib/exception_notifier.rb
@@ -0,0 +1,66 @@
+require 'pathname'
+
+# 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.
+class ExceptionNotifier < ActionMailer::Base
+  @@sender_address = %("Exception Notifier" <exception.notifier@default.com>)
+  cattr_accessor :sender_address
+
+  @@exception_recipients = []
+  cattr_accessor :exception_recipients
+
+  @@email_prefix = "[ERROR] "
+  cattr_accessor :email_prefix
+
+  @@sections = %w(request session environment backtrace)
+  cattr_accessor :sections
+
+  self.template_root = "#{File.dirname(__FILE__)}/../views"
+
+  def self.reloadable?() false end
+
+  def exception_notification(exception, controller, request, data={})
+    content_type "text/plain"
+
+    subject    "#{email_prefix}#{controller.controller_name}##{controller.action_name} (#{exception.class}) #{exception.message.inspect}"
+
+    recipients exception_recipients
+    from       sender_address
+
+    body       data.merge({ :controller => controller, :request => request,
+                  :exception => exception, :host => (request.env["HTTP_X_FORWARDED_HOST"] || request.env["HTTP_HOST"]),
+                  :backtrace => sanitize_backtrace(exception.backtrace),
+                  :rails_root => rails_root, :data => data,
+                  :sections => sections })
+  end
+
+  private
+
+    def sanitize_backtrace(trace)
+      re = Regexp.new(/^#{Regexp.escape(rails_root)}/)
+      trace.map { |line| Pathname.new(line.gsub(re, "[RAILS_ROOT]")).cleanpath.to_s }
+    end
+
+    def rails_root
+      @rails_root ||= Pathname.new(RAILS_ROOT).cleanpath.to_s
+    end
+
+end
diff --git a/vendor/plugins/exception_notification/lib/exception_notifier_helper.rb b/vendor/plugins/exception_notification/lib/exception_notifier_helper.rb
new file mode 100644
index 0000000..d3dc63a
--- /dev/null
+++ b/vendor/plugins/exception_notification/lib/exception_notifier_helper.rb
@@ -0,0 +1,78 @@
+require 'pp'
+
+# 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 ExceptionNotifierHelper
+  VIEW_PATH = "views/exception_notifier"
+  APP_PATH = "#{RAILS_ROOT}/app/#{VIEW_PATH}"
+  PARAM_FILTER_REPLACEMENT = "[FILTERED]"
+
+  def render_section(section)
+    RAILS_DEFAULT_LOGGER.info("rendering section #{section.inspect}")
+    summary = render_overridable(section).strip
+    unless summary.blank?
+      title = render_overridable(:title, :locals => { :title => section }).strip
+      "#{title}\n\n#{summary.gsub(/^/, "  ")}\n\n"
+    end
+  end
+
+  def render_overridable(partial, options={})
+    if File.exist?(path = "#{APP_PATH}/_#{partial}.rhtml")
+      render(options.merge(:file => path, :use_full_path => false))
+    elsif File.exist?(path = "#{File.dirname(__FILE__)}/../#{VIEW_PATH}/_#{partial}.rhtml")
+      render(options.merge(:file => path, :use_full_path => false))
+    else
+      ""
+    end
+  end
+
+  def inspect_model_object(model, locals={})
+    render_overridable(:inspect_model,
+      :locals => { :inspect_model => model,
+                   :show_instance_variables => true,
+                   :show_attributes => true }.merge(locals))
+  end
+
+  def inspect_value(value)
+    len = 512
+    result = object_to_yaml(value).gsub(/\n/, "\n  ").strip
+    result = result[0,len] + "... (#{result.length-len} bytes more)" if result.length > len+20
+    result
+  end
+
+  def object_to_yaml(object)
+    object.to_yaml.sub(/^---\s*/m, "")
+  end
+
+  def exclude_raw_post_parameters?
+    @controller && @controller.respond_to?(:filter_parameters)
+  end
+  
+  def filter_sensitive_post_data_parameters(parameters)
+    exclude_raw_post_parameters? ? @controller.__send__(:filter_parameters, parameters) : parameters
+  end
+  
+  def filter_sensitive_post_data_from_env(env_key, env_value)
+    return env_value unless exclude_raw_post_parameters?
+    return PARAM_FILTER_REPLACEMENT if (env_key =~ /RAW_POST_DATA/i)
+    return @controller.__send__(:filter_parameters, {env_key => env_value}).values[0]
+  end
+end