X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/67f00f6ddc4570f878fcc64d4bbdc3eb198a48a3..49b58cc43218106f1633c389598894d59447a26b:/services/api/app/models/arvados_model.rb

diff --git a/services/api/app/models/arvados_model.rb b/services/api/app/models/arvados_model.rb
index 823fd55435..a170fb9b54 100644
--- a/services/api/app/models/arvados_model.rb
+++ b/services/api/app/models/arvados_model.rb
@@ -110,7 +110,8 @@ class ArvadosModel < ActiveRecord::Base
     unless (owner_uuid == current_user.uuid or
             current_user.is_admin or
             (current_user.groups_i_can(:manage) & [uuid, owner_uuid]).any?)
-      if current_user.groups_i_can(:write).index(uuid)
+      if ((current_user.groups_i_can(:write) + [current_user.uuid]) &
+          [uuid, owner_uuid]).any?
         return [owner_uuid, current_user.uuid]
       else
         return [owner_uuid]
@@ -444,6 +445,10 @@ class ArvadosModel < ActiveRecord::Base
     "_____-#{uuid_prefix}-_______________"
   end
 
+  def self.uuid_regex
+    %r/[a-z0-9]{5}-#{uuid_prefix}-[a-z0-9]{15}/
+  end
+
   def ensure_valid_uuids
     specials = [system_user_uuid]