Gecko [ georgetownmover.com ]

Name	Size	Permission	Date
cache	[ DIR ]	drwxr-xr-x	2026-02-08 09:33
db	[ DIR ]	drwxr-xr-x	2026-02-08 09:33
session	[ DIR ]	drwxr-xr-x	2026-02-08 09:33
spellchecker	[ DIR ]	drwxr-xr-x	2026-02-08 09:33
README.md	3.72 KB	-rw-r--r--	2026-02-08 09:33
bootstrap.php	11.94 KB	-rw-r--r--	2026-02-08 09:33
html.php	28.33 KB	-rw-r--r--	2026-02-08 09:33
rcube.php	56.49 KB	-rw-r--r--	2026-02-08 09:33
rcube_addressbook.php	30.71 KB	-rw-r--r--	2026-02-08 09:33
rcube_addresses.php	13.24 KB	-rw-r--r--	2026-02-08 09:33
rcube_base_replacer.php	3.63 KB	-rw-r--r--	2026-02-08 09:33
rcube_browser.php	4.09 KB	-rw-r--r--	2026-02-08 09:33
rcube_cache.php	19 KB	-rw-r--r--	2026-02-08 09:33
rcube_charset.php	24.98 KB	-rw-r--r--	2026-02-08 09:33
rcube_config.php	31.87 KB	-rw-r--r--	2026-02-08 09:33
rcube_contacts.php	35.47 KB	-rw-r--r--	2026-02-08 09:33
rcube_content_filter.php	2.05 KB	-rw-r--r--	2026-02-08 09:33
rcube_csv2vcard.php	24.52 KB	-rw-r--r--	2026-02-08 09:33
rcube_db.php	44.35 KB	-rw-r--r--	2026-02-08 09:33
rcube_enriched.php	5.31 KB	-rw-r--r--	2026-02-08 09:33
rcube_html2text.php	26.82 KB	-rw-r--r--	2026-02-08 09:33
rcube_image.php	18.24 KB	-rw-r--r--	2026-02-08 09:33
rcube_imap.php	152.15 KB	-rw-r--r--	2026-02-08 09:33
rcube_imap_cache.php	39.08 KB	-rw-r--r--	2026-02-08 09:33
rcube_imap_generic.php	138.47 KB	-rw-r--r--	2026-02-08 09:33
rcube_imap_search.php	8.92 KB	-rw-r--r--	2026-02-08 09:33
rcube_ldap.php	81.01 KB	-rw-r--r--	2026-02-08 09:33
rcube_ldap_generic.php	9.64 KB	-rw-r--r--	2026-02-08 09:33
rcube_message.php	46.62 KB	-rw-r--r--	2026-02-08 09:33
rcube_message_header.php	8.73 KB	-rw-r--r--	2026-02-08 09:33
rcube_message_part.php	3.04 KB	-rw-r--r--	2026-02-08 09:33
rcube_mime.php	33.51 KB	-rw-r--r--	2026-02-08 09:33
rcube_mime_decode.php	14.47 KB	-rw-r--r--	2026-02-08 09:33
rcube_output.php	13 KB	-rw-r--r--	2026-02-08 09:33
rcube_plugin.php	13.27 KB	-rw-r--r--	2026-02-08 09:33
rcube_plugin_api.php	28.06 KB	-rw-r--r--	2026-02-08 09:33
rcube_result_index.php	12.93 KB	-rw-r--r--	2026-02-08 09:33
rcube_result_multifolder.php	9.89 KB	-rw-r--r--	2026-02-08 09:33
rcube_result_set.php	3.88 KB	-rw-r--r--	2026-02-08 09:33
rcube_result_thread.php	20.92 KB	-rw-r--r--	2026-02-08 09:33
rcube_session.php	21.11 KB	-rw-r--r--	2026-02-08 09:33
rcube_smtp.php	20.41 KB	-rw-r--r--	2026-02-08 09:33
rcube_spellchecker.php	12.89 KB	-rw-r--r--	2026-02-08 09:33
rcube_spoofchecker.php	2.69 KB	-rw-r--r--	2026-02-08 09:33
rcube_storage.php	30.1 KB	-rw-r--r--	2026-02-08 09:33
rcube_string_replacer.php	11.07 KB	-rw-r--r--	2026-02-08 09:33
rcube_text2html.php	10.88 KB	-rw-r--r--	2026-02-08 09:33
rcube_tnef_decoder.php	27.38 KB	-rw-r--r--	2026-02-08 09:33
rcube_user.php	31.67 KB	-rw-r--r--	2026-02-08 09:33
rcube_utils.php	58.74 KB	-rw-r--r--	2026-02-08 09:33
rcube_vcard.php	36.16 KB	-rw-r--r--	2026-02-08 09:33
rcube_washtml.php	38.15 KB	-rw-r--r--	2026-02-08 09:33

Rename

<?php

/**
 +-----------------------------------------------------------------------+
 | This file is part of the Roundcube Webmail client                     |
 |                                                                       |
 | Copyright (C) The Roundcube Dev Team                                  |
 | Copyright (C) Kolab Systems AG                                        |
 |                                                                       |
 | Licensed under the GNU General Public License version 3 or            |
 | any later version with exceptions for skins & plugins.                |
 | See the README file for a full license statement.                     |
 |                                                                       |
 | PURPOSE:                                                              |
 |   E-mail/Domain name spoofing detection                               |
 +-----------------------------------------------------------------------+
 | Author: Aleksander Machniak <machniak@kolabsys.com>                   |
 +-----------------------------------------------------------------------+
*/

/**
 * Helper class for spoofing detection.
 *
 * @package    Framework
 * @subpackage Utils
 */
class rcube_spoofchecker
{
    /** @var array In-memory cache of checked domains */
    protected static $results = [];

/**
     * Detects (potential) spoofing in an e-mail address or a domain.
     *
     * @param string $domain Email address or domain (UTF8 not punycode)
     *
     * @return bool True if spoofed/suspicious, False otherwise
     */
    public static function check($domain)
    {
        if (($pos = strrpos($domain, '@')) !== false) {
            $domain = substr($domain, $pos + 1);
        }

if (isset(self::$results[$domain])) {
            return self::$results[$domain];
        }

// Spoofchecker is part of ext-intl (requires ICU >= 4.2)
        try {
            $checker = new Spoofchecker();

// Note: The constant (and method?) added in PHP 7.3.0
            if (defined('Spoofchecker::HIGHLY_RESTRICTIVE')) {
                $checker->setRestrictionLevel(Spoofchecker::HIGHLY_RESTRICTIVE);
            }
            else {
                $checker->setChecks(Spoofchecker::SINGLE_SCRIPT | Spoofchecker::INVISIBLE);
            }

$result = $checker->isSuspicious($domain);
        }
        catch (Throwable $e) {
            rcube::raise_error($e, true);
            $result = false;
        }

// TODO: Use areConfusable() to detect ascii-spoofing of some domains, e.g. paypa1.com?
        // TODO: Domains with non-printable characters should be considered spoofed

return self::$results[$domain] = $result;
    }
}