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[rails.git] / app / controllers / api / permissions_controller.rb
1 module Api
2   class PermissionsController < ApiController
3     authorize_resource :class => false
4
5     before_action :check_api_readable
6     before_action :setup_user_auth
7     before_action :set_request_formats
8     around_action :api_call_handle_error, :api_call_timeout
9
10     # External apps that use the api are able to query which permissions
11     # they have. This currently returns a list of permissions granted to the current user:
12     # * if authenticated via OAuth, this list will contain all permissions granted by the user to the access_token.
13     # * if authenticated via basic auth all permissions are granted, so the list will contain all permissions.
14     # * unauthenticated users have no permissions, so the list will be empty.
15     def show
16       @permissions = if doorkeeper_token.present?
17                        doorkeeper_token.scopes.map { |s| :"allow_#{s}" }
18                      elsif current_token.present?
19                        ClientApplication.all_permissions.select { |p| current_token.read_attribute(p) }
20                      elsif current_user
21                        ClientApplication.all_permissions
22                      else
23                        []
24                      end
25
26       respond_to do |format|
27         format.xml
28         format.json
29       end
30     end
31   end
32 end