declarative_authorization da contém e herdadas de recursos
Pergunta
eu tenho rails3 aplicativo com declarative_authorization e inherited_resources gemas instalado.Deixe-me mostrar-lhe algumas código do aplicativo:
class Blog < ActiveRecord::Base
has_many :posts
has_many :memberships, :class_name => "BlogMembership"
has_many :subscribers, :through => :memberships, :source => :user, :conditions => "blog_memberships.membership_type = #{BlogMembership::SUBSCRIBER} or blog_memberships.membership_type = #{BlogMembership::AUTHOR} or blog_memberships.membership_type = #{BlogMembership::MODERATOR}"
has_many :authors, :through => :memberships, :source => :user, :conditions => "blog_memberships.membership_type = #{BlogMembership::AUTHOR} or blog_memberships.membership_type = #{BlogMembership::MODERATOR}"
has_many :moderators, :through => :memberships, :source => :user, :conditions => "blog_memberships.membership_type = #{BlogMembership::MODERATOR}"
end
class Post < ActiveRecord::Base
belongs_to :blog, :counter_cache => true
belongs_to :author, :class_name => "User", :foreign_key => "user_id"
end
class BlogMembership < ActiveRecord::Base
belongs_to :user
belongs_to :blog
# Membership types:
SUBSCRIBER = 0
AUTHOR = 1
MODERATOR = 2
end
meu regras de autorização:
authorization do
role :guest do
description "Not logged in users and users not assigned to any group"
##### Blogs and Posts
has_permission_on :blogs, :to => [ :read, :list ]
has_permission_on :posts, :to => [ :read, :feed ]
has_permission_on :posts, :to => :flag if User.current
end
role :admin do
description "Administrators"
has_omnipotence # Can manage all
end
role :moderator do
description "Blog moderators"
includes [ :guest, :blogger ]
has_permission_on :posts, :to => :manage do
if_attribute :blog => { :moderators => contains { user } }
end
end
role :blogger do
description "Blog authors"
includes :guest
has_permission_on :posts, :to => :create do
if_attribute :blog => { :authors => contains { user } }
end
has_permission_on :posts, :to => :manage do
if_attribute :author => is { user }
end
end
end
privileges do
# default privilege hierarchies to facilitate RESTful Rails apps
privilege :manage, :includes => [:create, :read, :update, :delete]
privilege :read, :includes => [:index, :show]
privilege :create, :includes => :new
privilege :update, :includes => :edit
privilege :delete, :includes => :destroy
end
em posts/index.html.haml eu uso
- if permitted_to? :create, :posts
.button.add-post
= link_to "New post", new_resource_path
e no meu posts_controller
class PostsController < InheritedResources::Base
respond_to :html
belongs_to :blog
filter_access_to :all
end
Parece ser bom, mas não funciona :(
Usuário de teste têm papel do moderador com o moderador da associação para um dos blogs, mas sem qualquer inscrição em segundo blog.
Com as seguintes regras e o código de qualquer usuário com moderadores de papel pode criar post em qualquer blog.
Você poderia me dizer, por favor - o que eu preciso mudar para permitir que apenas os autores dos blogs e moderador para enviar mensagens para eles blogs, mas não para os outros blogs?
Solução
Não tão elegante forma, mas eu resolvi com o seguinte:
alterado filtro de acesso em posts_controller:
filter_resource_access :nested_in => :blog
Adicionado o método para cargos de controlador de
protegida
def new_post_for_collection @post = Blog.encontrar(params[:blog_id]).posts.novo fim
Alterações no índice.html.haml
- se permitted_to?:criar, @post .o botão.adicione-post = link_to "Novo post", new_resource_path