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<?php
/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
/**
* Debug Library
*
* This library is loaded when somehow our mojo has
* been lost, it contains functions for checking sql
* connections, web paths etc..
*
*
* LICENSE: GNU General Public License, version 2 (GPLv2)
* Copyright (c) 2001 - 2011 Ampache.org All Rights Reserved
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License v2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* @package Ampache
* @copyright 2001 - 2011 Ampache.org
* @license http://opensource.org/licenses/gpl-2.0 GPLv2
* @link http://www.ampache.org/
*/
/**
* check_ampache_version
*
* This function checks latest ampache stable from Ampache web site.
* If new version found, return error message.
*
* @return string
*/
function check_ampache_version() {
$my_ampache = Config::get('version');
if(preg_match('#-#', $my_ampache)) {
$my_ampache = explode('-', $my_ampache);
$my_ampache = $my_ampache[0];
}
$latest_ampache = get_latest('ampache');
$latest_ampache = $latest_ampache['ampache'];
if(version_compare($my_ampache, $latest_ampache, '>=')) {
$results = debug_result(_('No problem found.'),1);
}
else {
$results = debug_result(sprintf(_('You are running old ampache: %s'), $my_ampache),0);
}
return $results;
} // check_ampache_version
/**
* check_php_version
*
* This function checks latest PHP stable from php web site.
* If new version found, return error message.
* Also, if version is older than 5.2.x, return error message.
*
* @return string
*/
function check_php_version() {
$my_php = PHP_VERSION;
$latest_php = get_latest('php');
if (preg_match('#^5\.3#', $my_php)) {
$latest_php = $latest_php['php5.3'];
}
elseif (preg_match('#^5\.2#', $my_php)) {
$latest_php = $latest_php['php5.2'];
}
else {
$results = debug_result(sprintf(_('Your PHP version may be too old: %s'), $my_php),0);
return $results;
}
if(version_compare($my_php, $latest_php, '>=')) {
$results = debug_result(_('No probrem found.'),1);
}
else {
$results = debug_result(sprintf(_('You are running old php: %s'), $my_php),0);
}
return $results;
} // check_php_version
/**
* get_latest
*
* This function gets from each sites.
* Pattern may change in a future...
*
* @param string $type Type you want to get.
* @return array return version number.
*/
function get_latest($type = null) {
if (!$type) { return false; }
$version = array();
switch ($type) {
case 'php':
$url = "http://www.php.net/downloads.php";
$pattern = '#<h1 id="v(.*)">PHP (.*)</h1>#';
break;
case 'ampache':
$url = "http://ampache.org/download/";
$pattern = '#<a onclick=.*>(.*) Stable</a>#';
break;
default:
$url = "";
break;
}
if (!$url) { return false; }
if (!extension_loaded('curl')) {
return false;
}
$ch = curl_init($url);
$phost = Config::get('proxy_host');
$pport = Config::get('proxy_port');
$header = array(
"User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506; .NET CLR 1.1.4322; OfficeLiveConnector.1.3; OfficeLivePatch.0.0)",
"Accept: */*",
"Accept-Encoding: none",
"Cache-Control: no-cache",
"Pragma: no-cache",
"Connection: keep-alive");
if (isset($phost) && isset($pport)) {
curl_setopt($ch, CURLOPT_PROXY, $phost);
curl_setopt($ch, CURLOPT_PROXYPORT, $pport);
}
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
ob_start();
curl_exec($ch);
curl_close($ch);
$body = ob_get_contents();
ob_end_clean();
preg_match_all($pattern, $body, $versions);
if (strcmp($type, "ampache") == 0) {
$version['ampache'] = $versions[1][0];
}
elseif (strcmp($type, "php") == 0) {
$version['php5.3'] = $versions[1][0];
$version['php5.2'] = $versions[1][1];
}
return $version;
} // get_latest
/**
* check_security
*
* This function tests wheter vulnerable settings on your php.ini
*
* @return array Show security messages, if found.
*/
function check_security() {
$warnings = array();
if(ini_get('display_errors') == '1') {
$warnings['display_errors'] = _('Provide useful information to attack the error information.');
}
if(ini_get('expose_php') == '1') {
$warnings['expose_php'] = _('Including the PHP version that is described in the HTTP header. It is "INI_SYSTEM" because it is set can be changed only in the server configuration.');
}
if(ini_get('session.use_only_cookies') == '0') {
$warnings['session.use_only_cookies'] = _('URL specified in session and the session ID is initialized using. (permissive session management. if you set 1 URL, POST in the session ID is ignored)');
}
if(count($warnings) == 0) {
$warnings['no_probrem'] = _('There is no probrem.');
}
return $warnings;
} // check_security
?>
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