module ActionController class Base < Metal abstract! include AbstractController::Callbacks include AbstractController::Logger include ActionController::Helpers include ActionController::HideActions include ActionController::UrlFor include ActionController::Redirector include ActionController::RenderingController include ActionController::RenderOptions::All include ActionController::Layouts include ActionController::ConditionalGet include ActionController::RackConvenience include ActionController::Benchmarking include ActionController::Configuration # Legacy modules include SessionManagement include ActionDispatch::StatusCodes include ActionController::Caching include ActionController::MimeResponds # Rails 2.x compatibility include ActionController::Compatibility include ActionController::Cookies include ActionController::Session include ActionController::Flash include ActionController::Verification include ActionController::RequestForgeryProtection include ActionController::Streaming include ActionController::HttpAuthentication::Basic::ControllerMethods include ActionController::HttpAuthentication::Digest::ControllerMethods include ActionController::FilterParameterLogging include ActionController::Translation # TODO: Extract into its own module # This should be moved together with other normalizing behavior module ImplicitRender def send_action(*) ret = super default_render unless response_body ret end def default_render render end def method_for_action(action_name) super || begin if template_exists?(action_name.to_s, {:formats => formats}, :_prefix => controller_path) "default_render" end end end end include ImplicitRender include ActionController::Rescue def self.inherited(klass) ::ActionController::Base.subclasses << klass.to_s super end def self.subclasses @subclasses ||= [] end def _normalize_options(action = nil, options = {}, &blk) if action.is_a?(Hash) options, action = action, nil elsif action.is_a?(String) || action.is_a?(Symbol) key = case action = action.to_s when %r{^/} then :file when %r{/} then :template else :action end options.merge! key => action elsif action options.merge! :partial => action end if options.key?(:action) && options[:action].to_s.index("/") options[:template] = options.delete(:action) end if options[:status] options[:status] = interpret_status(options[:status]).to_i end options[:update] = blk if block_given? options end def render(action = nil, options = {}, &blk) options = _normalize_options(action, options, &blk) super(options) end def render_to_string(action = nil, options = {}, &blk) options = _normalize_options(action, options, &blk) super(options) end # Redirects the browser to the target specified in +options+. This parameter can take one of three forms: # # * Hash - The URL will be generated by calling url_for with the +options+. # * Record - The URL will be generated by calling url_for with the +options+, which will reference a named URL for that record. # * String starting with protocol:// (like http://) - Is passed straight through as the target for redirection. # * String not containing a protocol - The current protocol and host is prepended to the string. # * :back - Back to the page that issued the request. Useful for forms that are triggered from multiple places. # Short-hand for redirect_to(request.env["HTTP_REFERER"]) # # Examples: # redirect_to :action => "show", :id => 5 # redirect_to post # redirect_to "http://www.rubyonrails.org" # redirect_to "/images/screenshot.jpg" # redirect_to articles_url # redirect_to :back # # The redirection happens as a "302 Moved" header unless otherwise specified. # # Examples: # redirect_to post_url(@post), :status=>:found # redirect_to :action=>'atom', :status=>:moved_permanently # redirect_to post_url(@post), :status=>301 # redirect_to :action=>'atom', :status=>302 # # When using redirect_to :back, if there is no referrer, # RedirectBackError will be raised. You may specify some fallback # behavior for this case by rescuing RedirectBackError. def redirect_to(options = {}, response_status = {}) #:doc: raise ActionControllerError.new("Cannot redirect to nil!") if options.nil? status = if options.is_a?(Hash) && options.key?(:status) interpret_status(options.delete(:status)) elsif response_status.key?(:status) interpret_status(response_status[:status]) else 302 end url = case options # The scheme name consist of a letter followed by any combination of # letters, digits, and the plus ("+"), period ("."), or hyphen ("-") # characters; and is terminated by a colon (":"). when %r{^\w[\w\d+.-]*:.*} options when String request.protocol + request.host_with_port + options when :back raise RedirectBackError unless refer = request.headers["Referer"] refer else url_for(options) end super(url, status) end end end