From debcbd16db64cdd2fd3047d3eec2fc24ca6cd788 Mon Sep 17 00:00:00 2001
From: Francis Lachapelle <flachapelle@inverse.ca>
Date: Fri, 14 May 2021 10:43:07 -0400
Subject: [PATCH] fix(core): avoid appending an empty domain to uid in cache

---
 SoObjects/SOGo/SOGoUserManager.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SoObjects/SOGo/SOGoUserManager.m b/SoObjects/SOGo/SOGoUserManager.m
index e2ea77d77..ae323b8cc 100644
--- a/SoObjects/SOGo/SOGoUserManager.m
+++ b/SoObjects/SOGo/SOGoUserManager.m
@@ -1023,7 +1023,7 @@ static Class NSNullK;
     {
       // Remove the "@" prefix used to identified groups in the ACL tables.
       aUID = [uid hasPrefix: @"@"] ? [uid substringFromIndex: 1] : uid;
-      if (domain && [aUID rangeOfString: @"@"].location == NSNotFound)
+      if ([domain length] && [aUID rangeOfString: @"@"].location == NSNotFound)
         cacheUid = [NSString stringWithFormat: @"%@@%@", aUID, domain];
       else
         cacheUid = aUID;