From 03b971c3e36e307f5e4dcad0a7a9cef13fbcec75 Mon Sep 17 00:00:00 2001
From: riking <rikingcoding@gmail.com>
Date: Fri, 27 Mar 2015 15:31:04 -0700
Subject: [PATCH] FIX: Don't fail topic auto-close if privledges are lost

---
 app/jobs/regular/close_topic.rb | 4 ++++
 lib/guardian.rb                 | 1 +
 2 files changed, 5 insertions(+)

diff --git a/app/jobs/regular/close_topic.rb b/app/jobs/regular/close_topic.rb
index 61a27588c..0703c971f 100644
--- a/app/jobs/regular/close_topic.rb
+++ b/app/jobs/regular/close_topic.rb
@@ -4,6 +4,10 @@ module Jobs
     def execute(args)
       if topic = Topic.find_by(id: args[:topic_id])
         closer = User.find_by(id: args[:user_id])
+        guardian = Guardian.new(closer)
+        unless guardian.can_close?(topic)
+          closer = Discourse.system_user
+        end
         topic.auto_close(closer)
       end
     end
diff --git a/lib/guardian.rb b/lib/guardian.rb
index d3e2911ee..367ac11cd 100644
--- a/lib/guardian.rb
+++ b/lib/guardian.rb
@@ -114,6 +114,7 @@ class Guardian
   alias :can_move_posts? :can_moderate?
   alias :can_see_flags? :can_moderate?
   alias :can_send_activation_email? :can_moderate?
+  alias :can_close? :can_moderate?
 
   def can_grant_badges?(_user)
     SiteSetting.enable_badges && is_staff?