From 7fedc19cc422a00ad460f7f9dc41e916c67073ef Mon Sep 17 00:00:00 2001
From: Marc Alexander <admin@m-a-styles.de>
Date: Fri, 9 Dec 2016 08:17:51 +0100
Subject: [ticket/14891] Use own proxy instantiator for open_basedir
 compatibility

Also reverted random_compat lib to 1.4.x.

PHPBB3-14891
---
 phpBB/phpbb/di/container_builder.php  |  2 +-
 phpBB/phpbb/di/proxy_instantiator.php | 74 +++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+), 1 deletion(-)
 create mode 100644 phpBB/phpbb/di/proxy_instantiator.php

(limited to 'phpBB/phpbb')

diff --git a/phpBB/phpbb/di/container_builder.php b/phpBB/phpbb/di/container_builder.php
index b6854673c2..6412ccea46 100644
--- a/phpBB/phpbb/di/container_builder.php
+++ b/phpBB/phpbb/di/container_builder.php
@@ -488,7 +488,7 @@ class container_builder
 	protected function create_container(array $extensions)
 	{
 		$container = new ContainerBuilder(new ParameterBag($this->get_core_parameters()));
-		$container->setProxyInstantiator(new RuntimeInstantiator());
+		$container->setProxyInstantiator(new proxy_instantiator($this->get_cache_dir()));
 
 		$extensions_alias = array();
 
diff --git a/phpBB/phpbb/di/proxy_instantiator.php b/phpBB/phpbb/di/proxy_instantiator.php
new file mode 100644
index 0000000000..28d9972cd7
--- /dev/null
+++ b/phpBB/phpbb/di/proxy_instantiator.php
@@ -0,0 +1,74 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\di;
+
+use \bantu\IniGetWrapper\IniGetWrapper;
+use ProxyManager\Configuration;
+use ProxyManager\Factory\LazyLoadingValueHolderFactory;
+use ProxyManager\GeneratorStrategy\EvaluatingGeneratorStrategy;
+use ProxyManager\Proxy\LazyLoadingInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\LazyProxy\Instantiator\InstantiatorInterface;
+
+/**
+ * Runtime lazy loading proxy generator extended for allowing use while using
+ * open_basedir restrictions
+ *
+ * Original author: Marco Pivetta <ocramius@gmail.com>
+ */
+class proxy_instantiator implements InstantiatorInterface
+{
+	/**
+	 * @var LazyLoadingValueHolderFactory
+	 */
+	private $factory;
+
+	/**
+	 * proxy_instantiator constructor
+	 * @param string $cache_dir Cache dir for fall back when using open_basedir
+	 */
+	public function __construct($cache_dir)
+	{
+		$config = new Configuration();
+
+		// Prevent trying to write to system temp dir in case of open_basedir
+		// restrictions being in effect
+		$ini_wrapper = new IniGetWrapper();
+		if ($ini_wrapper->getString('open_basedir') || !file_exists(sys_get_temp_dir()))
+		{
+			$config->setProxiesTargetDir($cache_dir);
+		}
+		$config->setGeneratorStrategy(new EvaluatingGeneratorStrategy());
+
+		$this->factory = new LazyLoadingValueHolderFactory($config);
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function instantiateProxy(ContainerInterface $container, Definition $definition, $id, $realInstantiator)
+	{
+		return $this->factory->createProxy(
+			$definition->getClass(),
+			function (&$wrappedInstance, LazyLoadingInterface $proxy) use ($realInstantiator) {
+				$wrappedInstance = call_user_func($realInstantiator);
+
+				$proxy->setProxyInitializer(null);
+
+				return true;
+			}
+		);
+	}
+}
-- 
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