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Editing: class.u.scancheck.php
<?php defined('ABSPATH') || defined('DUPXABSPATH') || exit; /** * Recursivly scans a directory and finds all sym-links and unreadable files * * Standard: PSR-2 * * @link http://www.php-fig.org/psr/psr-2 * * @package Duplicator * @subpackage classes/utilities * @copyright (c) 2017, Snapcreek LLC */ // Exit if accessed directly if (! defined('DUPLICATOR_VERSION')) { exit; } class DUP_ScanCheck { /** * The number of files scanned */ public $fileCount = 0; /** * The number of directories scanned */ public $dirCount = 0; /** * The maximum count of files before the recursive function stops */ public $maxFiles = 1000000; /** * The maximum count of directories before the recursive function stops */ public $maxDirs = 75000; /** * Recursivly scan the root directory provided */ public $recursion = true; /** * Stores a list of symbolic link files */ public $symLinks = array(); /** * Stores a list of files unreadable by PHP */ public $unreadable = array(); /** * Stores a list of dirs with utf8 settings */ public $nameTestDirs = array(); /** * Stores a list of files with utf8 settings */ public $nameTestFiles = array(); /** * If the maxFiles or maxDirs limit is reached then true */ protected $limitReached = false; /** * Is the server running on Windows */ private $isWindows = false; /** * Init this instance of the object */ public function __construct() { $this->isWindows = defined('PHP_WINDOWS_VERSION_BUILD'); } /** * Start the scan process * * @param string $dir A valid directory path where the scan will run * @param array $results Used for recursion, do not pass in value with calling * * @return obj The scan check object with the results of the scan */ public function run($dir, &$results = array()) { //Stop Recursion if Max search is reached if ($this->fileCount > $this->maxFiles || $this->dirCount > $this->maxDirs) { $this->limitReached = true; return $results; } $files = @scandir($dir); if (is_array($files)) { foreach ($files as $key => $value) { $path = realpath($dir . DIRECTORY_SEPARATOR . $value); if ($path) { //Files if (!is_dir($path)) { if (!is_readable($path)) { $results[] = $path; $this->unreadable[] = $path; } elseif ($this->isLink($path)) { $results[] = $path; $this->symLinks[] = $path; } else { $name = basename($path); $invalid_test = preg_match('/(\/|\*|\?|\>|\<|\:|\\|\|)/', $name) || trim($name) == '' || (strrpos($name, '.') == strlen($name) - 1 && substr($name, -1) == '.') || preg_match('/[^\x20-\x7f]/', $name); if ($invalid_test) { if (! DUP_Util::$PHP7_plus && DUP_Util::isWindows()) { $this->nameTestFiles[] = utf8_decode($path); } else { $this->nameTestFiles[] = $path; } } } $this->fileCount++; } elseif ($value != "." && $value != "..") { //Dirs if (!$this->isLink($path) && $this->recursion) { $this->Run($path, $results); } if (!is_readable($path)) { $results[] = $path; $this->unreadable[] = $path; } elseif ($this->isLink($path)) { $results[] = $path; $this->symLinks[] = $path; } else { $invalid_test = strlen($path) > 244 || trim($path) == '' || preg_match('/[^\x20-\x7f]/', $path); if ($invalid_test) { if (! DUP_Util::$PHP7_plus && DUP_Util::isWindows()) { $this->nameTestDirs[] = utf8_decode($path); } else { $this->nameTestDirs[] = $path; } } } $this->dirCount++; } } } } return $this; } /** * Separation logic for supporting how different operating systems work * * @param string $target A valid file path * * @return bool Is the target a sym link */ private function isLink($target) { //Currently Windows does not support sym-link detection if ($this->isWindows) { return false; } elseif (is_link($target)) { return true; } return false; } }
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