79 lines
2.2 KiB
PHP
79 lines
2.2 KiB
PHP
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<?php
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/**
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* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Files\Cache;
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class Scanner {
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const SCAN_RECURSIVE = true;
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const SCAN_SHALLOW = false;
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/**
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* get all the metadata of a file or folder
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* *
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* @param \OC\Files\File $file
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* @return array with metadata of the file
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*/
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public static function getData(\OC\Files\File $file) {
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$data = array();
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$storage = $file->getStorage();
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$path = $file->getInternalPath();
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if (!$storage->isReadable($path)) return null; //cant read, nothing we can do
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clearstatcache();
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$data['mimetype'] = $storage->getMimeType($path);
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$data['mtime'] = $storage->filemtime($path);
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if ($data['mimetype'] == 'httpd/unix-directory') {
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$data['size'] = -1; //unknown
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$data['permissions'] = $storage->getPermissions($path . '/');
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} else {
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$data['size'] = $storage->filesize($path);
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$data['permissions'] = $storage->getPermissions($path);
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}
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return $data;
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}
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/**
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* scan a single file and store it in the cache
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*
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* @param \OC\Files\File $file
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* @return array with metadata of the scanned file
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*/
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public static function scanFile(\OC\Files\File $file) {
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$data = self::getData($file);
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Cache::put($file, $data);
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return $data;
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}
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/**
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* scan all the files in a folder and store them in the cache
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*
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* @param \OC\Files\File $folder
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* @param SCAN_RECURSIVE/SCAN_SHALLOW $recursive
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* @return int the size of the scanned folder or -1 if the size is unknown at this stage
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*/
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public static function scan(\OC\Files\File $folder, $recursive) {
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$size = 0;
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$storage = $folder->getStorage();
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$path = $folder->getInternalPath();
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if ($dh = $storage->opendir($path)) {
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while ($file = readdir($dh)) {
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if ($file !== '.' and $file !== '..') {
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$child = new \OC\Files\File($storage, $path . '/' . $file);
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$data = self::scanFile($child);
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if ($recursive === self::SCAN_RECURSIVE and $data['mimetype'] === 'httpd/unix-directory') {
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$data['size'] = self::scan($child, self::SCAN_RECURSIVE);
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}
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if ($data['size'] >= 0 and $size >= 0) {
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$size += $data['size'];
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}
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}
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}
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}
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return $size;
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}
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}
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