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<?php
/**
* @package Warp Theme Framework
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
namespace Warp\Helper;
/**
* Checksum helper class.
*/
class ChecksumHelper extends AbstractHelper
{
/**
* Create file checksums
*
* @param string $path
* @param string $filename
*
* @return boolean
*/
public function create($path, $filename = 'checksums')
{
$path = rtrim(str_replace(DIRECTORY_SEPARATOR, '/', $path), '/').'/';
$files = $this->readDirectory($path);
if (is_array($files)) {
$checksums = '';
foreach ($files as $file) {
// dont include the checksum file itself
if ($file == $filename) {
continue;
}
$checksums .= md5_file($path.$file)." {$file}\n";
}
return file_put_contents($path.$filename, $checksums);
}
return false;
}
/**
* Verify file checksums
*
* @param string $path
* @param array $log
* @param string $filename
*
* @return boolean
*/
public function verify($path, &$log, $filename = 'checksums')
{
$path = rtrim(str_replace(DIRECTORY_SEPARATOR, '/', $path), '/').'/';
if ($rows = file($path.$filename)) {
foreach ($rows as $row) {
$parts = explode(' ', trim($row), 2);
if (count($parts) == 2) {
list($md5, $file) = $parts;
if (!file_exists($path.$file)) {
$log['missing'][] = $file;
} elseif (md5_file($path.$file) != $md5) {
$log['modified'][] = $file;
}
}
}
}
return empty($log);
}
/**
* Read files form a directory
*
* @param string $path
* @param string $prefix
* @param boolean $recursive
*
* @return array
*/
protected function readDirectory($path, $prefix = '', $recursive = true)
{
$files = array();
$ignore = array('.', '..', '.DS_Store', '.svn', '.git', '.gitignore', '.gitmodules', 'cgi-bin');
foreach (scandir($path) as $file) {
// ignore file ?
if (in_array($file, $ignore)) {
continue;
}
// get files
if (is_dir($path.'/'.$file) && $recursive) {
$files = array_merge($files, $this->readDirectory($path.'/'.$file, $prefix.$file.'/', $recursive));
} else {
$files[] = $prefix.$file;
}
}
return $files;
}
}