[Web] Remove dangling domain admins after deleting domain, fixes #3027

data/web/inc/functions.mailbox.inc.php

@@ -3561,6 +3561,7 @@ function mailbox($_action, $_type, $_data = null, $_extra = null) {
             $stmt->execute(array(
               ':domain' => $domain,
             ));
+            $stmt = $pdo->query("DELETE FROM `admin` WHERE `superadmin` = 0 AND `username` NOT IN (SELECT `username`FROM `domain_admins`);");
             try {
               $redis->hDel('DOMAIN_MAP', $domain);
               $redis->hDel('RL_VALUE', $domain);

data/web/inc/init_db.inc.php

@@ -3,7 +3,7 @@ function init_db_schema() {
   try {
     global $pdo;
 
-    $db_version = "09102019_1040";
+    $db_version = "11102019_0840";
 
     $stmt = $pdo->query("SHOW TABLES LIKE 'versions'");
     $num_results = count($stmt->fetchAll(PDO::FETCH_ASSOC));
@@ -1086,6 +1086,9 @@ DELIMITER ;';
     // Insert new DB schema version
     $stmt = $pdo->query("REPLACE INTO `versions` (`application`, `version`) VALUES ('db_schema', '" . $db_version . "');"); 
 
+    // Fix dangling domain admins
+    $stmt = $pdo->query("DELETE FROM `admin` WHERE `superadmin` = 0 AND `username` NOT IN (SELECT `username`FROM `domain_admins`);");
+
     // Migrate attributes
     $stmt = $pdo->query("UPDATE `mailbox` SET `attributes` = '{}' WHERE `attributes` = '' OR `attributes` IS NULL;");
     $stmt = $pdo->query("UPDATE `mailbox` SET `attributes` =  JSON_SET(`attributes`, '$.force_pw_update', \"0\") WHERE JSON_EXTRACT(`attributes`, '$.force_pw_update') IS NULL;");