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Diffstat (limited to 'actionpack/lib/action_controller/dispatch/rescue.rb')
| -rw-r--r-- | actionpack/lib/action_controller/dispatch/rescue.rb | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/actionpack/lib/action_controller/dispatch/rescue.rb b/actionpack/lib/action_controller/dispatch/rescue.rb deleted file mode 100644 index df80ac0909..0000000000 --- a/actionpack/lib/action_controller/dispatch/rescue.rb +++ /dev/null @@ -1,185 +0,0 @@ -module ActionController #:nodoc: - # Actions that fail to perform as expected throw exceptions. These - # exceptions can either be rescued for the public view (with a nice - # user-friendly explanation) or for the developers view (with tons of - # debugging information). The developers view is already implemented by - # the Action Controller, but the public view should be tailored to your - # specific application. - # - # The default behavior for public exceptions is to render a static html - # file with the name of the error code thrown. If no such file exists, an - # empty response is sent with the correct status code. - # - # You can override what constitutes a local request by overriding the - # <tt>local_request?</tt> method in your own controller. Custom rescue - # behavior is achieved by overriding the <tt>rescue_action_in_public</tt> - # and <tt>rescue_action_locally</tt> methods. - module Rescue - LOCALHOST = '127.0.0.1'.freeze - - DEFAULT_RESCUE_RESPONSE = :internal_server_error - DEFAULT_RESCUE_RESPONSES = { - 'ActionController::RoutingError' => :not_found, - 'ActionController::UnknownAction' => :not_found, - 'ActiveRecord::RecordNotFound' => :not_found, - 'ActiveRecord::StaleObjectError' => :conflict, - 'ActiveRecord::RecordInvalid' => :unprocessable_entity, - 'ActiveRecord::RecordNotSaved' => :unprocessable_entity, - 'ActionController::MethodNotAllowed' => :method_not_allowed, - 'ActionController::NotImplemented' => :not_implemented, - 'ActionController::InvalidAuthenticityToken' => :unprocessable_entity - } - - DEFAULT_RESCUE_TEMPLATE = 'diagnostics' - DEFAULT_RESCUE_TEMPLATES = { - 'ActionView::MissingTemplate' => 'missing_template', - 'ActionController::RoutingError' => 'routing_error', - 'ActionController::UnknownAction' => 'unknown_action', - 'ActionView::TemplateError' => 'template_error' - } - - RESCUES_TEMPLATE_PATH = ActionView::Template::FileSystemPath.new( - File.join(File.dirname(__FILE__), "templates")) - - def self.included(base) #:nodoc: - base.cattr_accessor :rescue_responses - base.rescue_responses = Hash.new(DEFAULT_RESCUE_RESPONSE) - base.rescue_responses.update DEFAULT_RESCUE_RESPONSES - - base.cattr_accessor :rescue_templates - base.rescue_templates = Hash.new(DEFAULT_RESCUE_TEMPLATE) - base.rescue_templates.update DEFAULT_RESCUE_TEMPLATES - - base.extend(ClassMethods) - base.send :include, ActiveSupport::Rescuable - - base.class_eval do - alias_method_chain :perform_action, :rescue - end - end - - module ClassMethods - def call_with_exception(env, exception) #:nodoc: - request = env["action_controller.rescue.request"] ||= ActionDispatch::Request.new(env) - response = env["action_controller.rescue.response"] ||= ActionDispatch::Response.new - new.process(request, response, :rescue_action, exception) - end - end - - protected - # Exception handler called when the performance of an action raises - # an exception. - def rescue_action(exception) - rescue_with_handler(exception) || - rescue_action_without_handler(exception) - end - - # Overwrite to implement custom logging of errors. By default - # logs as fatal. - def log_error(exception) #:doc: - ActiveSupport::Deprecation.silence do - if ActionView::TemplateError === exception - logger.fatal(exception.to_s) - else - logger.fatal( - "\n#{exception.class} (#{exception.message}):\n " + - clean_backtrace(exception).join("\n ") + "\n\n" - ) - end - end - end - - # Overwrite to implement public exception handling (for requests - # answering false to <tt>local_request?</tt>). By default will call - # render_optional_error_file. Override this method to provide more - # user friendly error messages. - def rescue_action_in_public(exception) #:doc: - render_optional_error_file response_code_for_rescue(exception) - end - - # Attempts to render a static error page based on the - # <tt>status_code</tt> thrown, or just return headers if no such file - # exists. At first, it will try to render a localized static page. - # For example, if a 500 error is being handled Rails and locale is :da, - # it will first attempt to render the file at <tt>public/500.da.html</tt> - # then attempt to render <tt>public/500.html</tt>. If none of them exist, - # the body of the response will be left empty. - def render_optional_error_file(status_code) - status = interpret_status(status_code) - locale_path = "#{Rails.public_path}/#{status[0,3]}.#{I18n.locale}.html" if I18n.locale - path = "#{Rails.public_path}/#{status[0,3]}.html" - - if locale_path && File.exist?(locale_path) - render :file => locale_path, :status => status, :content_type => Mime::HTML - elsif File.exist?(path) - render :file => path, :status => status, :content_type => Mime::HTML - else - head status - end - end - - # True if the request came from localhost, 127.0.0.1. Override this - # method if you wish to redefine the meaning of a local request to - # include remote IP addresses or other criteria. - def local_request? #:doc: - request.remote_addr == LOCALHOST && request.remote_ip == LOCALHOST - end - - # Render detailed diagnostics for unhandled exceptions rescued from - # a controller action. - def rescue_action_locally(exception) - @template.instance_variable_set("@exception", exception) - @template.instance_variable_set("@rescues_path", RESCUES_TEMPLATE_PATH) - @template.instance_variable_set("@contents", - @template._render_template(template_path_for_local_rescue(exception))) - - response.content_type = Mime::HTML - response.status = interpret_status(response_code_for_rescue(exception)) - - content = @template._render_template(rescues_path("layout")) - render_for_text(content) - end - - def rescue_action_without_handler(exception) - log_error(exception) if logger - erase_results if performed? - - # Let the exception alter the response if it wants. - # For example, MethodNotAllowed sets the Allow header. - if exception.respond_to?(:handle_response!) - exception.handle_response!(response) - end - - if consider_all_requests_local || local_request? - rescue_action_locally(exception) - else - rescue_action_in_public(exception) - end - end - - private - def perform_action_with_rescue #:nodoc: - perform_action_without_rescue - rescue Exception => exception - rescue_action(exception) - end - - def rescues_path(template_name) - RESCUES_TEMPLATE_PATH.find_by_parts("rescues/#{template_name}.erb") - end - - def template_path_for_local_rescue(exception) - rescues_path(rescue_templates[exception.class.name]) - end - - def response_code_for_rescue(exception) - rescue_responses[exception.class.name] - end - - def clean_backtrace(exception) - defined?(Rails) && Rails.respond_to?(:backtrace_cleaner) ? - Rails.backtrace_cleaner.clean(exception.backtrace) : - exception.backtrace - end - end -end |