Dont allow unserializing classes with a destructor

Author: jderusse

Adapter/ExtLdap/Connection.php

@@ -35,6 +35,16 @@ class Connection extends AbstractConnection
     /** @var resource */
     private $connection;
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     public function __destruct()
     {
         $this->disconnect();

Adapter/ExtLdap/Query.php

@@ -38,6 +38,16 @@ public function __construct(Connection $connection, string $dn, string $query, a
         parent::__construct($connection, $dn, $query, $options);
     }
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     public function __destruct()
     {
         $con = $this->connection->getResource();