/root/includes/acp/acp_k_version_check.php

<?php
/**
*
* @package acp
* @version $Id: acp_k_version_check.php 312 2009-01-02 02:51:12Z Michealo $
* @copyright (c) 2007 StarTrekGuide
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
	exit;
}

/**
* @package acp
*/
class acp_version_check
{
	var $u_action;

	function main($id, $mode)
	{
		global $user, $template;
		global $phpbb_admin_path, $phpEx;

		$phpbb_root_path = ''; // mpv fix?
		$phpEx = ''; // mpv fix?

		$this->tpl_name = 'acp_version_check';
		$this->page_title = 'ACP_MOD_VERSION_CHECK';

		// load version files
		$class_functions = array();
		$mod_directory = $phpbb_admin_path . 'mods/';
		$dh = @opendir($mod_directory);

		if (!$dh)
		{
			trigger_error('NO_ACCESS_MODS_DIRECTORY');
		}

		while (($file = readdir($dh)) !== false)
		{
			if (preg_match('/^(.+)_version.' . $phpEx . '$/', $file))
			{
				include($phpbb_root_path . $mod_directory . $file . $phpEx);

				$class_name = substr($file, 0, -(strlen($phpEx) + 1));
				$class_functions[] = call_user_func(array($class_name, 'version'));
			}
		}
		closedir($dh);

		foreach ($class_functions as $var)
		{
			// Get current and latest version
			$errstr = '';
			$errno = 0;

			$mod_version = $user->lang['NO_INFO'];
			$data = array(
				'title'			=> $var['title'],
				'description'	=> $user->lang['NO_INFO'],
				'download'		=> $user->lang['NO_INFO'],
				'announcement'	=> $user->lang['NO_INFO'],
			);
			$file = get_remote_file($var['file'][0], '/' . $var['file'][1], $var['file'][2], $errstr, $errno);

			if ($file)
			{
				if (version_compare(PHP_VERSION, '5.0.0', '<'))
				{
					$row = array();
					$data_array = $this->setup_array($file);

					$row = $data_array['mods'][$var['tag']];
					$mod_version = $row['mod_version'];
					$mod_version = $mod_version['major'] . '.' . $mod_version['minor'] . '.' . $mod_version['revision'] . $mod_version['release'];

					$data = array(
						'title'			=> $row['title'],
						'description'	=> $row['description'],
						'download'		=> $row['download'],
						'announcement'	=> $row['announcement'],
					);
				}
				else
				{
					// let's not stop the page from loading if a mod author messed up their mod check file
					// also take care of one of the easiest ways to mess up an xml file: "&"
					$mod = @simplexml_load_string(str_replace('&', '&amp;', $file));
					if (isset($mod->$var['tag']))
					{
						$row = $mod->$var['tag'];
						$mod_version = $row->mod_version->major . '.' . $row->mod_version->minor . '.' . $row->mod_version->revision . $row->mod_version->release;

						$data = array(
							'title'			=> $row->title,
							'description'	=> $row->description,
							'download'		=> $row->download,
							'announcement'	=> $row->announcement,
						);
					}
				}
			}

			// remove spaces from the version in the mod file stored locally
			$version = str_replace(' ', '', $var['version']);
			$version_compare = (version_compare($version, $mod_version, '<')) ? false : true;

			$template->assign_block_vars('mods', array(
				'ANNOUNCEMENT'		=> $data['announcement'],
				'AUTHOR'			=> $var['author'],
				'CURRENT_VERSION'	=> $version,
				'DESCRIPTION'		=> $data['description'],
				'DOWNLOAD'			=> $data['download'],
				'LATEST_VERSION'	=> $mod_version,
				'TITLE'				=> $data['title'],

				'UP_TO_DATE'		=> sprintf((!$version_compare) ? $user->lang['NOT_UP_TO_DATE'] : $user->lang['UP_TO_DATE'], $data['title']),

				'S_UP_TO_DATE'		=> $version_compare,

				'U_AUTHOR'			=> 'http://www.phpbb.com/community/memberlist.php?mode=viewprofile&un=' . $var['author'],
			));
		}
	}

	/**
	* this is for php4 only
	* kind of a dirty hack, but since I get the say on how the xml is done, I can have 4 levels max
	*/
	function setup_array($xml)
	{
		// Fire up the built-in XML parser
		$values = $index = array();
		$parser = xml_parser_create();
		xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);

		// this takes care of one possible xml error
		$xml = str_replace('&', '&amp;', $xml);

		// Set tag names and values
		xml_parse_into_struct($parser, $xml, $values, $index);

		// Close down XML parser
		xml_parser_free($parser);

		$ary = array();

		foreach ($values as $value)
		{
			switch (trim($value['level']))
			{
				case 1:
					if ($value['type'] == 'open')
					{
						$one = $value['tag'];
					}
					else if ($value['type'] == 'complete')
					{
						$ary[$value['tag']] = $value['value'];
					}
				break;

				case 2:
					if ($value['type'] == 'open')
					{
						$two = $value['tag'];
					}
					else if ($value['type'] == 'complete')
					{
						$ary[$one][$value['tag']] = $value['value'];
					}
				break;

				case 3:
					if ($value['type'] == 'open')
					{
						$three = $value['tag'];
					}
					else if ($value['type'] == 'complete')
					{
						$ary[$one][$two][$value['tag']] = $value['value'];
					}
				break;

				case 4:
					if ($value['type'] == 'complete')
					{
						$ary[$one][$two][$three][$value['tag']] = isset($value['value']) ? $value['value'] : '';
					}
				break;
			}
		}
		return $ary;
	}
}

?>