X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/f12350f25275fbf4c6c8692122f5eacce89794ee..7b9112dbc270ea338fee756f583bb76870f2e391:/services/api/app/models/user.rb

diff --git a/services/api/app/models/user.rb b/services/api/app/models/user.rb
index 446a61f255..b939d07bf0 100644
--- a/services/api/app/models/user.rb
+++ b/services/api/app/models/user.rb
@@ -29,6 +29,7 @@ class User < ArvadosModel
     t.add :is_admin
     t.add :is_invited
     t.add :prefs
+    t.add :writable_by
   end
 
   ALL_PERMISSIONS = {read: true, write: true, manage: true}
@@ -70,6 +71,30 @@ class User < ArvadosModel
         next if (group_permissions[target.owner_uuid] and
                  group_permissions[target.owner_uuid][action])
       end
+      sufficient_perms = case action
+                         when :manage
+                           ['can_manage']
+                         when :write
+                           ['can_manage', 'can_write']
+                         when :read
+                           ['can_manage', 'can_write', 'can_read']
+                         else
+                           # (Skip this kind of permission opportunity
+                           # if action is an unknown permission type)
+                         end
+      if sufficient_perms
+        # Check permission links with head_uuid pointing directly at
+        # the target object. If target is a Group, this is redundant
+        # and will fail except [a] if permission caching is broken or
+        # [b] during a race condition, where a permission link has
+        # *just* been added.
+        if Link.where(link_class: 'permission',
+                      name: sufficient_perms,
+                      tail_uuid: groups_i_can(action) + [self.uuid],
+                      head_uuid: target_uuid).any?
+          next
+        end
+      end
       return false
     end
     true
@@ -209,11 +234,13 @@ class User < ArvadosModel
   end
 
   def check_auto_admin
-    if User.where("uuid not like '%-000000000000000'").where(:is_admin => true).count == 0 and Rails.configuration.auto_admin_user
-      if self.email == Rails.configuration.auto_admin_user
-        self.is_admin = true
-        self.is_active = true
-      end
+    return if self.uuid.end_with?('anonymouspublic')
+    if (User.where("email = ?",self.email).where(:is_admin => true).count == 0 and
+        Rails.configuration.auto_admin_user and self.email == Rails.configuration.auto_admin_user) or
+       (User.where("uuid not like '%-000000000000000'").where(:is_admin => true).count == 0 and 
+        Rails.configuration.auto_admin_first_user)
+      self.is_admin = true
+      self.is_active = true
     end
   end
 
@@ -426,6 +453,8 @@ class User < ArvadosModel
   def auto_setup_new_user
     return true if !Rails.configuration.auto_setup_new_users
     return true if !self.email
+    return true if self.uuid == system_user_uuid
+    return true if self.uuid == anonymous_user_uuid
 
     if Rails.configuration.auto_setup_new_users_with_vm_uuid ||
        Rails.configuration.auto_setup_new_users_with_repository