1 files changed, 22 insertions, 0 deletions
diff --git a/lib/api/helpers.rb b/lib/api/helpers.rb
index 8e37ff7f7ce..9ba15893f55 100644
--- a/lib/api/helpers.rb
+++ b/lib/api/helpers.rb
@@ -56,6 +56,10 @@ module API
       initial_current_user != current_user
     end
 
+    def user_namespace
+      @user_namespace ||= find_namespace!(params[:id])
+    end
+
     def user_group
       @group ||= find_group!(params[:id])
     end
@@ -118,6 +122,24 @@ module API
       end
     end
 
+    def find_namespace(id)
+      if id.to_s =~ /^\d+$/
+        Namespace.find_by(id: id)
+      else
+        Namespace.find_by_full_path(id)
+      end
+    end
+
+    def find_namespace!(id)
+      namespace = find_namespace(id)
+
+      if can?(current_user, :read_namespace, namespace)
+        namespace
+      else
+        not_found!('Namespace')
+      end
+    end
+
     def find_project_label(id)
       label = available_labels.find_by_id(id) || available_labels.find_by_title(id)
       label || not_found!('Label')