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Diffstat (limited to 'actionpack/lib/action_controller/base.rb')
| -rw-r--r-- | actionpack/lib/action_controller/base.rb | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb new file mode 100644 index 0000000000..9d9f735e27 --- /dev/null +++ b/actionpack/lib/action_controller/base.rb @@ -0,0 +1,167 @@ +module ActionController + class Base < Metal + abstract! + + include AbstractController::Benchmarker + include AbstractController::Callbacks + include AbstractController::Logger + + include ActionController::Helpers + include ActionController::HideActions + include ActionController::UrlFor + include ActionController::Redirector + include ActionController::Renderer + include ActionController::Renderers::All + include ActionController::Layouts + include ActionController::ConditionalGet + include ActionController::RackConvenience + + # Legacy modules + include SessionManagement + include ActionDispatch::StatusCodes + include ActionController::Caching + include ActionController::MimeResponds + + # Rails 2.x compatibility + include ActionController::Rails2Compatibility + + 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 performed? + ret + end + + def default_render + render + end + + def method_for_action(action_name) + super || begin + if view_paths.find_by_parts?(action_name.to_s, {:formats => formats, :locales => [I18n.locale]}, 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: + # + # * <tt>Hash</tt> - The URL will be generated by calling url_for with the +options+. + # * <tt>Record</tt> - The URL will be generated by calling url_for with the +options+, which will reference a named URL for that record. + # * <tt>String</tt> starting with <tt>protocol://</tt> (like <tt>http://</tt>) - Is passed straight through as the target for redirection. + # * <tt>String</tt> not containing a protocol - The current protocol and host is prepended to the string. + # * <tt>:back</tt> - Back to the page that issued the request. Useful for forms that are triggered from multiple places. + # Short-hand for <tt>redirect_to(request.env["HTTP_REFERER"])</tt> + # + # 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 <tt>redirect_to :back</tt>, 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 |