From 062358f8b1d9a7fa3d9be97f6b58e06fea7ca844 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A1t=C3=A9=20Bartus?= <mate.bartus@gmail.com>
Date: Sun, 28 Feb 2016 00:19:24 +0100
Subject: [ticket/14487] Try to handle connection timeouts

PHPBB3-14487
---
 .../install/helper/iohandler/ajax_iohandler.php    | 41 +++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

(limited to 'phpBB/phpbb/install/helper/iohandler/ajax_iohandler.php')

diff --git a/phpBB/phpbb/install/helper/iohandler/ajax_iohandler.php b/phpBB/phpbb/install/helper/iohandler/ajax_iohandler.php
index 8c62ec7bd0..c168d26425 100644
--- a/phpBB/phpbb/install/helper/iohandler/ajax_iohandler.php
+++ b/phpBB/phpbb/install/helper/iohandler/ajax_iohandler.php
@@ -41,6 +41,11 @@ class ajax_iohandler extends iohandler_base
 	 */
 	protected $router;
 
+	/**
+	 * @var string
+	 */
+	protected $phpbb_root_path;
+
 	/**
 	 * @var string
 	 */
@@ -76,6 +81,11 @@ class ajax_iohandler extends iohandler_base
 	 */
 	protected $redirect_url;
 
+	/**
+	 * @var resource
+	 */
+	protected $file_lock_pointer;
+
 	/**
 	 * Constructor
 	 *
@@ -83,8 +93,9 @@ class ajax_iohandler extends iohandler_base
 	 * @param \phpbb\request\request_interface	$request	HTTP request interface
 	 * @param \phpbb\template\template			$template	Template engine
 	 * @param router 							$router		Router
+	 * @param string 							$root_path	Path to phpBB's root
 	 */
-	public function __construct(path_helper $path_helper, \phpbb\request\request_interface $request, \phpbb\template\template $template, router $router)
+	public function __construct(path_helper $path_helper, \phpbb\request\request_interface $request, \phpbb\template\template $template, router $router, $root_path)
 	{
 		$this->path_helper = $path_helper;
 		$this->request	= $request;
@@ -96,6 +107,7 @@ class ajax_iohandler extends iohandler_base
 		$this->download	= array();
 		$this->redirect_url = array();
 		$this->file_status = '';
+		$this->phpbb_root_path = $root_path;
 
 		parent::__construct();
 	}
@@ -432,6 +444,33 @@ class ajax_iohandler extends iohandler_base
 		$this->send_response(true);
 	}
 
+	/**
+	 * Acquires a file lock
+	 */
+	public function acquire_lock()
+	{
+		$lock_file = $this->phpbb_root_path . 'store/io_lock.lock';
+		$this->file_lock_pointer = @fopen($lock_file, 'w+');
+
+		if ($this->file_lock_pointer)
+		{
+			flock($this->file_lock_pointer, LOCK_EX);
+		}
+	}
+
+	/**
+	 * Release file lock
+	 */
+	public function release_lock()
+	{
+		if ($this->file_lock_pointer)
+		{
+			fwrite($this->file_lock_pointer, 'ok');
+			flock($this->file_lock_pointer, LOCK_UN);
+			fclose($this->file_lock_pointer);
+		}
+	}
+
 	/**
 	 * Callback function for language replacing
 	 *
-- 
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