class ApplicationController < ActionController::Base protect_from_forgery before_filter :select_foodcoop, :authenticate, :store_controller after_filter :remove_controller helper_method :current_user # Returns the controller handling the current request. def self.current Thread.current[:application_controller] end # Use this method to call a rake task,, # e.g. to deliver mails after there are created. def call_rake(task, options = {}) options[:rails_env] ||= Foodsoft.env args = options.map { |n, v| "#{n.to_s.upcase}='#{v}'" } system "/usr/bin/rake #{task} #{args.join(' ')} --trace 2>&1 >> #{Rails.root}/log/rake.log &" end protected def current_user # check if there is a valid session and return the logged-in user (its object) if session[:user_id] and params[:foodcoop] # for shared-host installations. check if the cookie-subdomain fits to request. @current_user ||= User.find(session[:user_id]) if params[:foodcoop] == Foodsoft.env end end def deny_access self.return_to = request.request_uri redirect_to login_url, :alert => 'Access denied!' end private def authenticate(role = 'any') # Attempt to retrieve authenticated user from controller instance or session... if !current_user # No user at all: redirect to login page. session[:user_id] = nil session['return_to'] = request.fullpath redirect_to login_url, :alert => 'Authentication required!' else # We have an authenticated user, now check role... # Roles gets the user through his memberships. hasRole = case role when "admin" then user.role_admin? when "finance" then user.role_finance? when "article_meta" then user.role_article_meta? when "suppliers" then user.role_suppliers? when "orders" then user.role_orders? when "any" then true # no role required else false # any unknown role will always fail end if hasRole current_user else deny_access end end end def authenticate_admin authenticate('admin') end def authenticate_finance authenticate('finance') end def authenticate_article_meta authenticate('article_meta') end def authenticate_suppliers authenticate('suppliers') end def authenticate_orders authenticate('orders') end # checks if the current_user is member of given group. # if fails the user will redirected to startpage def authenticate_membership_or_admin @group = Group.find(params[:id]) unless @group.member?(@current_user) or @current_user.role_admin? flash[:error] = "Diese Aktion ist nur für Mitglieder der Gruppe erlaubt!" if request.xml_http_request? render(:update) {|page| page.redirect_to root_path } else redirect_to root_path end end end # Stores this controller instance as a thread local varibale to be accessible from outside ActionController/ActionView. def store_controller Thread.current[:application_controller] = self end # Sets the thread local variable that holds a reference to the current controller to nil. def remove_controller Thread.current[:application_controller] = nil end # Get supplier in nested resources def find_supplier @supplier = Supplier.find(params[:supplier_id]) if params[:supplier_id] end # Set config and database connection for each request # It uses the subdomain to select the appropriate section in the config files # Use this method as a before filter (first filter!) in ApplicationController def select_foodcoop if Foodsoft.config[:multi_coop_install] if !params[:foodcoop].blank? begin # Set Config Foodsoft.env = params[:foodcoop] # Set database-connection ActiveRecord::Base.establish_connection(Foodsoft.database) rescue => error flash[:error] = error.to_s redirect_to root_path end else redirect_to root_path end else # Deactivate routing filter RoutingFilter::Foodcoop.active = false end end end