<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/lgpl-3.0.html LGPL v3 or later
 */
namespace Matomo\Decompress;

use Exception;
/**
 * Unzip wrapper around ZipArchive
 */
class ZipArchive implements \Matomo\Decompress\DecompressInterface
{
    /**
     * @var \ZipArchive
     */
    private $ziparchive;
    /**
     * @var string
     */
    public $filename;
    /**
     * Constructor
     *
     * @param string $filename Name of the .zip archive
     * @throws Exception
     */
    public function __construct($filename)
    {
        $this->filename = $filename;
        $this->ziparchive = new \ZipArchive();
        if ($this->ziparchive->open($filename) !== \true) {
            throw new Exception('Error opening ' . $filename);
        }
    }
    /**
     * Extract files from archive to target directory
     *
     * @param string $pathExtracted Absolute path of target directory
     * @return mixed  Array of filenames if successful; or 0 if an error occurred
     */
    public function extract($pathExtracted)
    {
        if (substr($pathExtracted, -1) !== '/') {
            $pathExtracted .= '/';
        }
        $fileselector = array();
        $list = array();
        $count = $this->ziparchive->numFiles;
        if ($count === 0) {
            return 0;
        }
        for ($i = 0; $i < $count; $i++) {
            $entry = $this->ziparchive->statIndex($i);
            $filename = str_replace('\\', '/', $entry['name']);
            $parts = explode('/', $filename);
            if (!strncmp($filename, '/', 1) || array_search('..', $parts) !== \false || strpos($filename, ':') !== \false) {
                return 0;
            }
            $fileselector[] = $entry['name'];
            $list[] = array('filename' => $pathExtracted . $entry['name'], 'stored_filename' => $entry['name'], 'size' => $entry['size'], 'compressed_size' => $entry['comp_size'], 'mtime' => $entry['mtime'], 'index' => $i, 'crc' => $entry['crc']);
        }
        $res = $this->ziparchive->extractTo($pathExtracted, $fileselector);
        if ($res === \false) {
            return 0;
        }
        return $list;
    }
    /**
     * Get error status string for the latest error
     *
     * @return string
     */
    public function errorInfo()
    {
        static $statusStrings = array(\ZipArchive::ER_OK => 'No error', \ZipArchive::ER_MULTIDISK => 'Multi-disk zip archives not supported', \ZipArchive::ER_RENAME => 'Renaming temporary file failed', \ZipArchive::ER_CLOSE => 'Closing zip archive failed', \ZipArchive::ER_SEEK => 'Seek error', \ZipArchive::ER_READ => 'Read error', \ZipArchive::ER_WRITE => 'Write error', \ZipArchive::ER_CRC => 'CRC error', \ZipArchive::ER_ZIPCLOSED => 'Containing zip archive was closed', \ZipArchive::ER_NOENT => 'No such file', \ZipArchive::ER_EXISTS => 'File already exists', \ZipArchive::ER_OPEN => 'Can\'t open file', \ZipArchive::ER_TMPOPEN => 'Failure to create temporary file', \ZipArchive::ER_ZLIB => 'Zlib error', \ZipArchive::ER_MEMORY => 'Malloc failure', \ZipArchive::ER_CHANGED => 'Entry has been changed', \ZipArchive::ER_COMPNOTSUPP => 'Compression method not supported', \ZipArchive::ER_EOF => 'Premature EOF', \ZipArchive::ER_INVAL => 'Invalid argument', \ZipArchive::ER_NOZIP => 'Not a zip archive', \ZipArchive::ER_INTERNAL => 'Internal error', \ZipArchive::ER_INCONS => 'Zip archive inconsistent', \ZipArchive::ER_REMOVE => 'Can\'t remove file', \ZipArchive::ER_DELETED => 'Entry has been deleted');
        if (isset($statusStrings[$this->ziparchive->status])) {
            $statusString = $statusStrings[$this->ziparchive->status];
        } else {
            $statusString = 'Unknown status';
        }
        return $statusString . '(' . $this->ziparchive->status . ')';
    }
}
