За приложението се опитвам да внедря достъп в стил job_code, използвайки cancan/cancancan, devise и rolify.
Само администраторите на сайта с job_code :create_user ще могат да създават нови потребители
Следва кодът:
class RegistrationsController < Devise::RegistrationsController
before_filter :check_permissions, :only => [ :new, :create, :cancel ]
skip_before_filter :require_no_authentication
def check_permissions
authorize! :create, resource
end
end
class Ability
include CanCan::Ability
def initialize(user)
alias_action :create, :read, :update, :destroy, :to => :crud
if user.has_role? :create_user
can :create, User
end
if user.has_role? :create_annoucement
can :create, Announcement
end
end
end
в routes.rb, имам
devise_for :users ,:controllers => { :registrations => "registrations" }, :path_names => {:sign_in => "login", :sign_out => "logout"}, :path => "account"
Контролер за приложения
class ApplicationController < ActionController::Base
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
before_action :authenticate_user!
check_authorization unless: :devise_controller?
before_filter :set_start_time if Rails.env.development?
before_action :configure_permitted_parameters, if: :devise_controller?
rescue_from CanCan::AccessDenied do |exception|
#https://github.com/ryanb/cancan/wiki/Devise
if current_user.nil?
session[:next] = request.fullpath
puts session[:next]
redirect_to new_user_session_path, :alert => "You have to log in to continue."
else
render file: "#{Rails.root}/public/403", formats: [:html], status: 403, layout: false
end
end
def set_start_time
@start_time = Time.now.usec
end
def configure_permitted_parameters
#devise_parameter_sanitizer.for(:sign_in) { |u| u.permit(:name, :email) }
devise_parameter_sanitizer.for(:sign_up) { |u| u.permit(:first_name, :last_name, :email, :password, :password_confirmation) }
devise_parameter_sanitizer.for(:account_update) { |u| u.permit(:first_name, :last_name, :email, :password, :password_confirmation, :current_password, :user_manual) }
end
end
Когато използвам, следния код в abilities.rb
if user.has_role? :create_user
can :create, :all
end
работи перфектно. Отвежда ме до страницата за регистрация на потребител
но когато имам този код
if user.has_role? :create_user
can :create, User
end
пише Достъпът е отказан (страница 403)
Трудно ми е да разбера какво да използвам вместо User в can :create, User