# The filters added to this controller will be run for all controllers in the application. # Likewise will all the methods added be available for all controllers. class ApplicationController < ActionController::Base before_filter :connect_to_model, :setup_url_generator, :set_content_type_header, :set_robots_metatag after_filter :remember_location, :teardown_url_generator # For injecting a different wiki model implementation. Intended for use in tests def self.wiki=(the_wiki) # a global variable is used here because Rails reloads controller and model classes in the # development environment; therefore, storing it as a class variable does not work # class variable is, anyway, not much different from a global variable #$instiki_wiki_service = the_wiki logger.debug("Wiki service: #{the_wiki.to_s}") end def self.wiki Wiki.new end protected def authorized? @web.nil? || @web.password.nil? || cookies['web_address'] == @web.password || password_check(@params['password']) end def check_authorization if in_a_web? and needs_authorization?(@action_name) and not authorized? and redirect_to :controller => 'wiki', :action => 'login', :web => @web_name return false end end def connect_to_model @action_name = @params['action'] || 'index' @web_name = @params['web'] @wiki = wiki if @web_name @web = @wiki.webs[@web_name] if @web.nil? render_text "Unknown web '#{@web_name}'", '404 Not Found' return false end end @page_name = @file_name = @params['id'] @page = @wiki.read_page(@web_name, @page_name) unless @page_name.nil? @author = cookies['author'] || 'AnonymousCoward' check_authorization end FILE_TYPES = { '.exe' => 'application/octet-stream', '.gif' => 'image/gif', '.jpg' => 'image/jpeg', '.pdf' => 'application/pdf', '.png' => 'image/png', '.txt' => 'text/plain', '.zip' => 'application/zip' } unless defined? FILE_TYPES def send_file(file, options = {}) options[:type] ||= (FILE_TYPES[File.extname(file)] || 'application/octet-stream') options[:stream] = false super(file, options) end def in_a_web? not @web_name.nil? end def password_check(password) if password == @web.password cookies['web_address'] = password true else false end end def password_error(password) if password.nil? or password.empty? 'Please enter the password.' else 'You entered a wrong password. Please enter the right one.' end end def redirect_home(web = @web_name) if web redirect_to_page('HomePage', web) else redirect_to_url '/' end end def redirect_to_page(page_name = @page_name, web = @web_name) redirect_to :web => web, :controller => 'wiki', :action => 'show', :id => (page_name || 'HomePage') end @@REMEMBER_NOT = ['locked', 'save', 'back', 'file', 'pic', 'import'] def remember_location if @response.headers['Status'] == '200 OK' unless @@REMEMBER_NOT.include? action_name or @request.method != :get @session[:return_to] = @request.request_uri logger.debug("Session ##{session.object_id}: remembered URL '#{@session[:return_to]}'") end end end def rescue_action_in_public(exception) message = <<-EOL
An application error occurred while processing your request.
EOL render_text message, 'Internal Error 500' end def return_to_last_remembered # Forget the redirect location redirect_target, @session[:return_to] = @session[:return_to], nil tried_home, @session[:tried_home] = @session[:tried_home], false # then try to redirect to it if redirect_target.nil? if tried_home raise 'Application could not render the index page' else logger.debug("Session ##{session.object_id}: no remembered redirect location, trying home") redirect_home end else logger.debug("Session ##{session.object_id}: " + "redirect to the last remembered URL #{redirect_target}") redirect_to_url(redirect_target) end end def set_content_type_header if %w(rss_with_content rss_with_headlines).include?(action_name) @response.headers['Content-Type'] = 'text/xml; charset=UTF-8' else @response.headers['Content-Type'] = 'text/html; charset=UTF-8' end end def set_robots_metatag if controller_name == 'wiki' and %w(show published).include? action_name @robots_metatag_value = 'index,follow' else @robots_metatag_value = 'noindex,nofollow' end end def setup_url_generator PageRenderer.setup_url_generator(UrlGenerator.new(self)) end def teardown_url_generator PageRenderer.teardown_url_generator end def wiki self.class.wiki end def needs_authorization?(action) not %w( login authenticate published rss_with_content rss_with_headlines ).include?(action) end end