symfony · nicolas-grekas · Jun 28, 2018 · Jun 27, 2018
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
@@ -411,8 +411,6 @@ public function setSaveHandler($saveHandler = null)
        }

        if ($this->saveHandler instanceof SessionHandlerProxy) {
-            session_set_save_handler($this->saveHandler->getHandler(), false);
-        } elseif ($this->saveHandler instanceof \SessionHandlerInterface) {
            session_set_save_handler($this->saveHandler, false);
        }
    }

diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php b/src/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php
@@ -14,7 +14,7 @@
 /**
 * @author Drak <drak@zikula.org>
 */
-class SessionHandlerProxy extends AbstractProxy implements \SessionHandlerInterface
+class SessionHandlerProxy extends AbstractProxy implements \SessionHandlerInterface, \SessionUpdateTimestampHandlerInterface
 {
    protected $handler;

@@ -82,4 +82,20 @@ public function gc($maxlifetime)
    {
        return (bool) $this->handler->gc($maxlifetime);
    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function validateId($sessionId)
+    {
+        return !$this->handler instanceof \SessionUpdateTimestampHandlerInterface || $this->handler->validateId($sessionId);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function updateTimestamp($sessionId, $data)
+    {
+        return $this->handler instanceof \SessionUpdateTimestampHandlerInterface ? $this->handler->updateTimestamp($sessionId, $data) : $this->write($sessionId, $data);
+    }
 }
diff --git a/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/Proxy/SessionHandlerProxyTest.php b/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/Proxy/SessionHandlerProxyTest.php
@@ -121,4 +121,37 @@ public function testGc()

        $this->proxy->gc(86400);
    }
+
+    /**
+     * @requires PHPUnit 5.1
+     */
+    public function testValidateId()
+    {
+        $mock = $this->getMockBuilder(array('SessionHandlerInterface', 'SessionUpdateTimestampHandlerInterface'))->getMock();
+        $mock->expects($this->once())
+            ->method('validateId');
+
+        $proxy = new SessionHandlerProxy($mock);
+        $proxy->validateId('id');
+
+        $this->assertTrue($this->proxy->validateId('id'));
+    }
+
+    /**
+     * @requires PHPUnit 5.1
+     */
+    public function testUpdateTimestamp()
+    {
+        $mock = $this->getMockBuilder(array('SessionHandlerInterface', 'SessionUpdateTimestampHandlerInterface'))->getMock();
+        $mock->expects($this->once())
+            ->method('updateTimestamp');
+
+        $proxy = new SessionHandlerProxy($mock);
+        $proxy->updateTimestamp('id', 'data');
+
+        $this->mock->expects($this->once())
+            ->method('write');
+
+        $this->proxy->updateTimestamp('id', 'data');
+    }
 }