TrackManiaControl/application/core/Files/FileUtil.php

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<?php
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namespace ManiaControl\Files;
use ManiaControl\ManiaControl;
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use ManiaControl\Formatter;
/**
* Files Utility Class
*
* @author steeffeen & kremsy
* @copyright ManiaControl Copyright © 2014 ManiaControl Team
* @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
*/
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abstract class FileUtil {
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/**
* Load a remote file
*
* @param string $url
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* @param string $contentType
* @return string || null
*/
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public static function loadFile($url, $contentType = 'UTF-8') {
if (!$url) {
return null;
}
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$urlData = parse_url($url);
$port = (isset($urlData['port']) ? $urlData['port'] : 80);
$urlQuery = isset($urlData['query']) ? "?" . $urlData['query'] : "";
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$fsock = fsockopen($urlData['host'], $port);
stream_set_timeout($fsock, 3);
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$query = 'GET ' . $urlData['path'] . $urlQuery . ' HTTP/1.0' . PHP_EOL;
$query .= 'Host: ' . $urlData['host'] . PHP_EOL;
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$query .= 'Content-Type: ' . $contentType . PHP_EOL;
$query .= 'User-Agent: ManiaControl v' . ManiaControl::VERSION . PHP_EOL;
$query .= PHP_EOL;
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fwrite($fsock, $query);
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$buffer = '';
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$info = array('timed_out' => false);
while(!feof($fsock) && !$info['timed_out']) {
$buffer .= fread($fsock, 1024);
$info = stream_get_meta_data($fsock);
}
fclose($fsock);
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if ($info['timed_out'] || !$buffer) {
return null;
}
if (substr($buffer, 9, 3) != "200") {
return null;
}
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$result = explode("\r\n\r\n", $buffer, 2);
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if (count($result) < 2) {
return null;
}
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return $result[1];
}
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/**
* Load config xml-file
*
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* @param string $fileName
* @return \SimpleXMLElement
*/
public static function loadConfig($fileName) {
$fileLocation = ManiaControlDir . '/configs/' . $fileName;
if (!file_exists($fileLocation)) {
trigger_error("Config file doesn't exist! ({$fileName})");
return null;
}
if (!is_readable($fileLocation)) {
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trigger_error("Config file isn't readable! Please check your file permissions. ({$fileName})");
return null;
}
return simplexml_load_file($fileLocation);
}
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/**
* Return file name cleared from special characters
*
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* @param string $fileName
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* @return string
*/
public static function getClearedFileName($fileName) {
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$fileName = Formatter::stripCodes($fileName);
$fileName = str_replace(array('\\', '/', ':', '*', '?', '"', '<', '>', '|'), '_', $fileName);
$fileName = preg_replace( '/[^[:print:]]/', '', $fileName);
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return $fileName;
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}
}