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[rails.git] / app / controllers / api_controller.rb

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 002bd73b881fef24dfe07acbd40581a161665ff9..602b79d69c5462e6f9a0cdae3d2e1c55b343c306 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -2,6 +2,7 @@ class ApiController < ApplicationController
 
   skip_before_filter :verify_authenticity_token
   before_filter :check_api_readable, :except => [:capabilities]
 
   skip_before_filter :verify_authenticity_token
   before_filter :check_api_readable, :except => [:capabilities]

+  before_filter :setup_user_auth, :only => [:permissions]

   after_filter :compress_output
   around_filter :api_call_handle_error, :api_call_timeout
 
   after_filter :compress_output
   around_filter :api_call_handle_error, :api_call_timeout
 


@@ -289,4 +290,20 @@ class ApiController < ApplicationController
 
     render :text => doc.to_s, :content_type => "text/xml"
   end
 
     render :text => doc.to_s, :content_type => "text/xml"
   end

+
+  # External apps that use the api are able to query which permissions
+  # they have. This currently returns a list of permissions granted to the current user:
+  # * if authenticated via OAuth, this list will contain all permissions granted by the user to the access_token.
+  # * if authenticated via basic auth all permissions are granted, so the list will contain all permissions.
+  # * unauthenticated users have no permissions, so the list will be empty.
+  def permissions
+    @permissions = case
+                   when current_token.present?
+                     ClientApplication.all_permissions.select { |p| current_token.read_attribute(p) }
+                   when @user
+                     ClientApplication.all_permissions
+                   else
+                     []
+                   end
+  end

 end
 end