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<?php
    /**
     * Copyright (C) Apis Networks, Inc - All Rights Reserved.
     *
     * Unauthorized copying of this file, via any medium, is
     * strictly prohibited without consent. Any dissemination of
     * material herein is prohibited.
     *
     * For licensing inquiries email <licensing@apisnetworks.com>
     *
     * Written by Matt Saladna <matt@apisnetworks.com>, May 2017
     */

    /**
     * @package Compression
     * Provides zip compression/decompression routines in the file manager
     */
    class Zip_Filter extends Archive_Base
    {
        public static function extract_files($archive, $dest, array $file = null, ?array $opts = array())
        {
            $zip = new ZipArchive();
            if (!$zip->open($archive)) {
                return error("unable to open archive `%s': ",
                    $archive,
                    $zip->getStatusString()
                );
            }
            $zip->extractTo($dest, $file);
            $zip->close();

            return true;
        }

        public static function list_files($archive, ?array $opts = array())
        {
            $proc = parent::exec('/usr/bin/unzip -ll -- %s',
                $archive,
                array(1, 0));
            $proc = explode("\n", trim($proc['output']));
            $files = array();

            foreach ($proc as $line) {

                if (!preg_match(Regex::FILE_HDR_ZIP, $line, $matches)) {
                    continue;
                }

                list ($null, $size, $method, $packed_size, $date, $crc, $file_name) = $matches;
                $files[] = array(
                    'file_name'   => $file_name,
                    'file_type'   => $file_name[strlen($file_name) - 1] == '/' ? 'dir' : 'file',
                    'can_read'    => true,
                    'can_write'   => true,
                    'can_execute' => true,
                    'size'        => !$size ? 4095 : $size,
                    'packed_size' => $packed_size,
                    'crc'         => $crc,
                    'link'        => 0,
                    'date'        => strtotime($date)
                );
            }

            return $files;

        }
    }

?>