diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/exception_wrapper.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/middleware/exception_wrapper.rb | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb b/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb new file mode 100644 index 0000000000..c0532c80c4 --- /dev/null +++ b/actionpack/lib/action_dispatch/middleware/exception_wrapper.rb @@ -0,0 +1,78 @@ +require 'action_controller/metal/exceptions' +require 'active_support/core_ext/exception' + +module ActionDispatch + class ExceptionWrapper + cattr_accessor :rescue_responses + @@rescue_responses = Hash.new(:internal_server_error) + @@rescue_responses.merge!( + 'ActionController::RoutingError' => :not_found, + 'AbstractController::ActionNotFound' => :not_found, + 'ActionController::MethodNotAllowed' => :method_not_allowed, + 'ActionController::NotImplemented' => :not_implemented, + 'ActionController::InvalidAuthenticityToken' => :unprocessable_entity + ) + + cattr_accessor :rescue_templates + @@rescue_templates = Hash.new('diagnostics') + @@rescue_templates.merge!( + 'ActionView::MissingTemplate' => 'missing_template', + 'ActionController::RoutingError' => 'routing_error', + 'AbstractController::ActionNotFound' => 'unknown_action', + 'ActionView::Template::Error' => 'template_error' + ) + + attr_reader :env, :exception + + def initialize(env, exception) + @env = env + @exception = original_exception(exception) + end + + def rescue_template + @@rescue_templates[@exception.class.name] + end + + def status_code + Rack::Utils.status_code(@@rescue_responses[@exception.class.name]) + end + + def application_trace + clean_backtrace(:silent) + end + + def framework_trace + clean_backtrace(:noise) + end + + def full_trace + clean_backtrace(:all) + end + + private + + def original_exception(exception) + if registered_original_exception?(exception) + exception.original_exception + else + exception + end + end + + def registered_original_exception?(exception) + exception.respond_to?(:original_exception) && @@rescue_responses.has_key?(exception.original_exception.class.name) + end + + def clean_backtrace(*args) + if backtrace_cleaner + backtrace_cleaner.clean(@exception.backtrace, *args) + else + @exception.backtrace + end + end + + def backtrace_cleaner + @backtrace_cleaner ||= @env['action_dispatch.backtrace_cleaner'] + end + end +end
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