diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware')
4 files changed, 84 insertions, 105 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/callbacks.rb b/actionpack/lib/action_dispatch/middleware/callbacks.rb new file mode 100644 index 0000000000..0a2b4cf5f7 --- /dev/null +++ b/actionpack/lib/action_dispatch/middleware/callbacks.rb @@ -0,0 +1,40 @@ +module ActionDispatch + class Callbacks + include ActiveSupport::Callbacks + define_callbacks :prepare, :before, :after + + class << self + # DEPRECATED + alias_method :prepare_dispatch, :prepare + alias_method :before_dispatch, :before + alias_method :after_dispatch, :after + end + + # Add a preparation callback. Preparation callbacks are run before every + # request in development mode, and before the first request in production + # mode. + # + # An optional identifier may be supplied for the callback. If provided, + # to_prepare may be called again with the same identifier to replace the + # existing callback. Passing an identifier is a suggested practice if the + # code adding a preparation block may be reloaded. + def self.to_prepare(identifier = nil, &block) + @prepare_callbacks ||= ActiveSupport::Callbacks::CallbackChain.new + callback = ActiveSupport::Callbacks::Callback.new(:prepare, block, :identifier => identifier) + @prepare_callbacks.replace_or_append!(callback) + end + + def initialize(app, prepare_each_request = false) + @app, @prepare_each_request = app, prepare_each_request + run_callbacks :prepare + end + + def call(env) + run_callbacks :before + run_callbacks :prepare if @prepare_each_request + @app.call(env) + ensure + run_callbacks :after, :enumerator => :reverse_each + end + end +end diff --git a/actionpack/lib/action_dispatch/middleware/failsafe.rb b/actionpack/lib/action_dispatch/middleware/failsafe.rb deleted file mode 100644 index 836098482c..0000000000 --- a/actionpack/lib/action_dispatch/middleware/failsafe.rb +++ /dev/null @@ -1,52 +0,0 @@ -module ActionDispatch - 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 defined?(Rails) && Rails.env.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 diff --git a/actionpack/lib/action_dispatch/middleware/params_parser.rb b/actionpack/lib/action_dispatch/middleware/params_parser.rb index 58d527a6e7..e83cf9236b 100644 --- a/actionpack/lib/action_dispatch/middleware/params_parser.rb +++ b/actionpack/lib/action_dispatch/middleware/params_parser.rb @@ -32,16 +32,14 @@ module ActionDispatch when Proc strategy.call(request.raw_post) when :xml_simple, :xml_node - body = request.raw_post - body.blank? ? {} : Hash.from_xml(body).with_indifferent_access + request.body.size == 0 ? {} : Hash.from_xml(request.body).with_indifferent_access when :yaml - YAML.load(request.raw_post) + YAML.load(request.body) when :json - body = request.raw_post - if body.blank? + if request.body.size == 0 {} else - data = ActiveSupport::JSON.decode(body) + data = ActiveSupport::JSON.decode(request.body) data = {:_json => data} unless data.is_a?(Hash) data.with_indifferent_access end diff --git a/actionpack/lib/action_dispatch/middleware/show_exceptions.rb b/actionpack/lib/action_dispatch/middleware/show_exceptions.rb index 71c1e1b9a9..4d598669c7 100644 --- a/actionpack/lib/action_dispatch/middleware/show_exceptions.rb +++ b/actionpack/lib/action_dispatch/middleware/show_exceptions.rb @@ -4,8 +4,11 @@ module ActionDispatch LOCALHOST = '127.0.0.1'.freeze - DEFAULT_RESCUE_RESPONSE = :internal_server_error - DEFAULT_RESCUE_RESPONSES = { + RESCUES_TEMPLATE_PATH = File.join(File.dirname(__FILE__), 'templates') + + cattr_accessor :rescue_responses + @@rescue_responses = Hash.new(:internal_server_error) + @@rescue_responses.update({ 'ActionController::RoutingError' => :not_found, 'ActionController::UnknownAction' => :not_found, 'ActiveRecord::RecordNotFound' => :not_found, @@ -15,25 +18,19 @@ module ActionDispatch 'ActionController::MethodNotAllowed' => :method_not_allowed, 'ActionController::NotImplemented' => :not_implemented, 'ActionController::InvalidAuthenticityToken' => :unprocessable_entity - } + }) - DEFAULT_RESCUE_TEMPLATE = 'diagnostics' - DEFAULT_RESCUE_TEMPLATES = { + cattr_accessor :rescue_templates + @@rescue_templates = Hash.new('diagnostics') + @@rescue_templates.update({ 'ActionView::MissingTemplate' => 'missing_template', 'ActionController::RoutingError' => 'routing_error', 'ActionController::UnknownAction' => 'unknown_action', 'ActionView::TemplateError' => 'template_error' - } + }) - RESCUES_TEMPLATE_PATH = File.join(File.dirname(__FILE__), 'templates') - - cattr_accessor :rescue_responses - @@rescue_responses = Hash.new(DEFAULT_RESCUE_RESPONSE) - @@rescue_responses.update DEFAULT_RESCUE_RESPONSES - - cattr_accessor :rescue_templates - @@rescue_templates = Hash.new(DEFAULT_RESCUE_TEMPLATE) - @@rescue_templates.update DEFAULT_RESCUE_TEMPLATES + FAILSAFE_RESPONSE = [500, {'Content-Type' => 'text/html'}, + ['<html><body><h1>500 Internal Server Error</h1></body></html>']] def initialize(app, consider_all_requests_local = false) @app = app @@ -43,34 +40,35 @@ module ActionDispatch def call(env) @app.call(env) rescue Exception => exception - raise exception if env['rack.test'] + raise exception if env['action_dispatch.show_exceptions'] == false + render_exception(env, exception) + end - log_error(exception) if logger + private + def render_exception(env, exception) + log_error(exception) - request = Request.new(env) - if @consider_all_requests_local || local_request?(request) - rescue_action_locally(request, exception) - else - rescue_action_in_public(exception) + request = Request.new(env) + if @consider_all_requests_local || local_request?(request) + rescue_action_locally(request, exception) + else + rescue_action_in_public(exception) + end + rescue Exception => failsafe_error + $stderr.puts "Error during failsafe response: #{failsafe_error}" + FAILSAFE_RESPONSE end - end - private # Render detailed diagnostics for unhandled exceptions rescued from # a controller action. def rescue_action_locally(request, exception) template = ActionView::Base.new([RESCUES_TEMPLATE_PATH], - :template => template, :request => request, :exception => exception ) file = "rescues/#{@@rescue_templates[exception.class.name]}.erb" body = template.render(:file => file, :layout => 'rescues/layout.erb') - - headers = {'Content-Type' => 'text/html', 'Content-Length' => body.length.to_s} - status = status_code(exception) - - [status, headers, body] + render(status_code(exception), body) end # Attempts to render a static error page based on the @@ -86,11 +84,11 @@ module ActionDispatch path = "#{public_path}/#{status}.html" if locale_path && File.exist?(locale_path) - render_public_file(status, locale_path) + render(status, File.read(locale_path)) elsif File.exist?(path) - render_public_file(status, path) + render(status, File.read(path)) else - [status, {'Content-Type' => 'text/html', 'Content-Length' => '0'}, []] + render(status, '') end end @@ -99,24 +97,21 @@ module ActionDispatch request.remote_addr == LOCALHOST && request.remote_ip == LOCALHOST end - def render_public_file(status, path) - body = File.read(path) - [status, {'Content-Type' => 'text/html', 'Content-Length' => body.length.to_s}, body] - end - def status_code(exception) interpret_status(@@rescue_responses[exception.class.name]).to_i end + def render(status, body) + [status, {'Content-Type' => 'text/html', 'Content-Length' => body.length.to_s}, [body]] + end + def public_path - if defined?(Rails) - Rails.public_path - else - "public" - end + defined?(Rails.public_path) ? Rails.public_path : 'public_path' end - def log_error(exception) #:doc: + def log_error(exception) + return unless logger + ActiveSupport::Deprecation.silence do if ActionView::TemplateError === exception logger.fatal(exception.to_s) @@ -136,9 +131,7 @@ module ActionDispatch end def logger - if defined?(Rails.logger) - Rails.logger - end + defined?(Rails.logger) ? Rails.logger : Logger.new($stderr) end end end |