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78 lines
2.2 KiB
PHP
78 lines
2.2 KiB
PHP
<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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namespace phpbb\di;
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use bantu\IniGetWrapper\IniGetWrapper;
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use phpbb\filesystem\filesystem;
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use ProxyManager\Configuration;
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use ProxyManager\Factory\LazyLoadingValueHolderFactory;
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use ProxyManager\GeneratorStrategy\EvaluatingGeneratorStrategy;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Component\DependencyInjection\Definition;
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use Symfony\Component\DependencyInjection\LazyProxy\Instantiator\InstantiatorInterface;
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/**
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* Runtime lazy loading proxy generator extended for allowing use while using
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* open_basedir restrictions
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*
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* Original author: Marco Pivetta <ocramius@gmail.com>
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*/
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class proxy_instantiator implements InstantiatorInterface
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{
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/**
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* @var LazyLoadingValueHolderFactory
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*/
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private $factory;
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/**
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* proxy_instantiator constructor
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* @param string $cache_dir Cache dir for fall back when using open_basedir
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*/
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public function __construct($cache_dir)
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{
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$config = new Configuration();
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// Prevent trying to write to system temp dir in case of open_basedir
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// restrictions being in effect
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$ini_wrapper = new IniGetWrapper();
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$filesystem = new filesystem();
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$tmp_dir = (function_exists('sys_get_temp_dir')) ? sys_get_temp_dir() : '';
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if (empty($tmp_dir) || $ini_wrapper->getString('open_basedir') &&
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(!$filesystem->exists($tmp_dir) || !$filesystem->is_writable($tmp_dir)))
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{
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$config->setProxiesTargetDir($cache_dir);
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}
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$config->setGeneratorStrategy(new EvaluatingGeneratorStrategy());
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$this->factory = new LazyLoadingValueHolderFactory($config);
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}
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/**
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* {@inheritdoc}
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*/
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public function instantiateProxy(ContainerInterface $container, Definition $definition, $id, $realInstantiator)
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{
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return $this->factory->createProxy(
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$definition->getClass(),
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function (&$wrappedInstance, \ProxyManager\Proxy\LazyLoadingInterface $proxy) use ($realInstantiator) {
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$wrappedInstance = call_user_func($realInstantiator);
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$proxy->setProxyInitializer(null);
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return true;
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}
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);
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}
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}
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