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📄 class.pack.archive.file.list.php(6.68 KB)
📄 class.pack.archive.filters.php(4.94 KB)
📄 class.pack.archive.php(47.09 KB)
📄 class.pack.archive.shellzip.php(13.75 KB)
📄 class.pack.archive.zip.php(30.98 KB)
📄 class.pack.database.build.iterator.php(11.38 KB)
📄 class.pack.database.php(56.49 KB)
📄 class.pack.installer.php(55.58 KB)
📄 class.pack.multisite.php(4.37 KB)
📄 class.pack.php(131.19 KB)
📄 class.pack.runner.php(26.33 KB)
📄 class.pack.upload.info.php(9.94 KB)
📄 index.php(16 B)

Editing: class.pack.archive.file.list.php

<?php

/**
 * archive path file list object
 *
 * Standard: PSR-2
 *
 * @link http://www.php-fig.org/psr/psr-2
 *
 * @package   name
 * @copyright (c) 2019, Snapcreek LLC
 * @license   https://opensource.org/licenses/GPL-3.0 GNU Public License
 */

defined('ABSPATH') || defined('DUPXABSPATH') || exit;

use Duplicator\Libs\Snap\SnapIO;
use Duplicator\Libs\Snap\SnapJson;

class DUP_PRO_Archive_File_List
{
    /** @var string */
    protected $path = '';
    /** @var ?resource */
    protected $handle = null;
    /** @var ?array<array{p:string,s:int,n:int}> */
    protected $cache = null;

/**
     * CLass constructor
     *
     * @param string $path path to file
     */
    public function __construct($path)
    {
        if (empty($path)) {
            throw new Exception('path can\'t be empty');
        }

$this->path = SnapIO::safePath($path);
    }

/**
     * Class destructor
     *
     * @return void
     */
    public function __destruct()
    {
        $this->close();
    }

/**
     * Get path
     *
     * @return string
     */
    public function getPath()
    {
        return $this->path;
    }

/**
     * Open file
     *
     * @param bool $truncate if true truncate file
     *
     * @return bool
     */
    public function open($truncate = false)
    {
        if (is_null($this->handle)) {
            if (($this->handle = fopen($this->path, 'a+')) === false) {
                DUP_PRO_Log::trace('Can\'t open ' . $this->path);
                $this->handle = null;
                return false;
            }
        }
        if ($truncate) {
            $this->emptyFile();
        }
        return true;
    }

/**
     * Empty file
     *
     * @return bool
     */
    public function emptyFile()
    {
        if (!$this->open(false)) {
            return false;
        }
        if (($res = ftruncate($this->handle, 0)) === false) {
            DUP_PRO_Log::trace('Can\'t truncate file ' . $this->path);
            return false;
        }
        return true;
    }

/**
     * Close file
     *
     * @return bool
     */
    public function close()
    {
        if (!is_null($this->handle)) {
            if (($res = @fclose($this->handle)) === false) {
                DUP_PRO_Log::trace('Can\'t close ' . $this->path);
                return false;
            }
            $this->handle = null;
        }
        return true;
    }

/**
     * Add entry
     *
     * @param string $path  path
     * @param int    $size  size
     * @param int    $nodes nodes
     *
     * @return bool true if success else false
     */
    public function addEntry($path, $size, $nodes)
    {
        if (is_null($this->handle)) { // check to generate less overhead
            if (!$this->open()) {
                return false;
            }
        }
        $entry = array(
            'p' => $path,
            's' => $size,
            'n' => $nodes,
        );
        return (fwrite($this->handle, SnapJson::jsonEncode($entry) . "\n") !== false);
    }

/**
     * Get entry
     *
     * @param bool $pathOnly if true return only payth
     *
     * @return false|array{p:string,s:int,n:int}|string return false if is end of filer.
     */
    public function getEntry($pathOnly = false)
    {
        if (is_null($this->handle)) { // check to generate less overhead
            if (!$this->open()) {
                return false;
            }
        }

if (($json = fgets($this->handle, 4196)) === false) {
            // end of file return false
            return false;
        }

$result = json_decode($json, true);
        if ($pathOnly) {
            return $result['p'];
        } else {
            return $result;
        }
    }

/**
     * Clean cache
     *
     * @return bool
     */
    protected function cleanCache()
    {
        $this->cache = null;
        return true;
    }

/**
     * Load cache
     *
     * @param bool $refreshCache if true refresh cache
     *
     * @return bool
     */
    protected function loadCache($refreshCache = false)
    {
        if ($refreshCache || is_null($this->cache)) {
            if (!$this->open()) {
                return false;
            }
            $this->cache = array();
            if (@fseek($this->handle, 0) === -1) {
                DUP_PRO_Log::trace('Can\'t seek at 0 pos for file ' . $this->path);
                $this->cleanCache();
                return false;
            }
            while (($entry = $this->getEntry()) !== false) {
                $this->cache[$entry['p']] = $entry;
            }
            if (!feof($this->handle)) {
                DUP_PRO_Log::trace('Error: unexpected fgets() fail', false);
            }
        }
        return true;
    }

/**
     * Get entry from path
     *
     * @param string $path         path
     * @param bool   $refreshCache if true refresh cache
     *
     * @return bool|array{p:string,s:int,n:int}
     */
    public function getEntryFromPath($path, $refreshCache = false)
    {
        if (!$this->loadCache($refreshCache)) {
            return false;
        }

if (array_key_exists($path, $this->cache)) {
            return $this->cache[$path];
        } else {
            return false;
        }
    }

/**
     * Get entries from path
     *
     * @param string $path         path
     * @param bool   $refreshCache if true refresh cache
     *
     * @return bool|array<array{p:string,s:int,n:int}>
     */
    public function getEntriesFormPath($path, $refreshCache = false)
    {
        if (!$this->loadCache($refreshCache)) {
            return false;
        }

if (array_key_exists($path, $this->cache)) {
            $result = array();
            foreach ($this->cache as $current => $entry) {
                if (preg_match('/^' . preg_quote($path, '/') . '\/[^\/]+$/', $current)) {
                    $result[] = $entry;
                }
            }
            return $result;
        } else {
            return false;
        }
    }

/**
     * Get array paths
     *
     * @param string $pathPrefix path prefix
     *
     * @return bool|string[]
     */
    public function getArrayPaths($pathPrefix = '')
    {
        if (!$this->open()) {
            return false;
        }

$result = array();
        if (@fseek($this->handle, 0) === -1) {
            DUP_PRO_Log::trace('Can\'t seek at 0 pos for file ' . $this->path);
            return false;
        }
        $safePrefix = SnapIO::safePathUntrailingslashit($pathPrefix);
        while (($path       = $this->getEntry(true)) !== false) {
            $result[] = $safePrefix . '/' . $path;
        }
        if (!feof($this->handle)) {
            DUP_PRO_Log::trace('Error: unexpected fgets() fail', false);
        }
        return $result;
    }
}

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