<?php

/*

* Textpattern Content Management System

* https://textpattern.com/

*

* Copyright (C) 2026 The Textpattern Development Team

*

* This file is part of Textpattern.

*

* Textpattern is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation, version 2.

*

* Textpattern is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with Textpattern. If not, see <https://www.gnu.org/licenses/>.

*/

if (!defined('txpath')) {

define("txpath", dirname(__FILE__));

}

define('TXPINTERFACE', 'admin');

define('txpinterface', TXPINTERFACE); // @deprecated 5.0.0

ob_start(null, 2048);

if (!isset($txpcfg['table_prefix']) && (!is_readable('./config.php') || !include './config.php')) {

ob_end_clean();

if (is_readable('./setup/index.php')) {

header('Location: ./setup');

exit;

} else {

header('HTTP/1.1 503 Service Unavailable');

exit('<p>config.php is missing or corrupt. To install Textpattern, ensure <a href="./setup/">setup</a> exists.</p>');

}

} else {

ob_end_clean();

}

header("Content-Type: text/html; charset=utf-8");

error_reporting(E_ALL);

ini_set("display_errors", "1");

include txpath.'/lib/class.trace.php';

$trace = new Trace();

$trace->start('[PHP includes]');

include_once txpath.'/lib/constants.php';

include txpath.'/lib/txplib_misc.php';

include txpath.'/lib/txplib_admin.php';

include txpath.'/vendors/Textpattern/Loader.php';

$loader = new \Textpattern\Loader(txpath.'/vendors');

$loader->register();

$loader = new \Textpattern\Loader(txpath.'/lib');

$loader->register();

include txpath.'/lib/txplib_db.php';

include txpath.'/lib/txplib_forms.php';

include txpath.'/lib/txplib_html.php';

include txpath.'/lib/admin_config.php';

$trace->stop();

set_error_handler('adminErrorHandler', error_reporting());

if ($connected) {

// Global site preferences.

$prefs = get_prefs();

extract($prefs);

// Permit a unified "now" time to be referenced irrespective of how

// long it takes to load the page. This harmonises time-based

// content, such as custom fields, and also allows a dedicated time

// value to be passed to SQL queries, alleviating NOW().

$txpnow = time();

setImageToken();

if (empty($siteurl)) {

$httphost = preg_replace('/[^-_a-zA-Z0-9.:]/', '', $_SERVER['HTTP_HOST']);

$prefs['siteurl'] = $siteurl = $httphost.rtrim(dirname(dirname($_SERVER['SCRIPT_NAME'])), DS);

}

if (empty($path_to_site)) {

updateSitePath(dirname(dirname(__FILE__)));

}

define('TXP_PATTERN', get_pref('enable_short_tags', false) ? 'txp|[a-z]+:' : 'txp:?');

define("LANG", $language);

define('txp_version', $thisversion);

if (!defined('PROTOCOL')) {

switch (serverSet('HTTPS')) {

case '':

case 'off': // ISAPI with IIS.

define('PROTOCOL', 'http://');

break;

default:

define('PROTOCOL', 'https://');

break;

}

}

define('hu', PROTOCOL.$siteurl.'/');

// Relative URL global.

define('rhu', preg_replace('|^https?://[^/]+|', '', hu));

// HTTP address of the site serving images.

if (!defined('ihu')) {

define('ihu', hu);

}

// HTTP address of Textpattern admin URL.

if (!defined('ahu')) {

if (empty($txpcfg['admin_url'])) {

$adminurl = hu.'textpattern/';

} else {

$adminurl = PROTOCOL.rtrim(preg_replace('|^https?://|', '', $txpcfg['admin_url']), '/').'/';

}

define('ahu', $adminurl);

}

// Shared admin and public cookie_domain when using multisite admin URL (use main domain if not set).

if (!defined('cookie_domain')) {

if (!isset($txpcfg['cookie_domain'])) {

if (empty($txpcfg['admin_url'])) {

$txpcfg['cookie_domain'] = '';

} else {

$txpcfg['cookie_domain'] = rtrim(substr($txpcfg['admin_url'], strpos($txpcfg['admin_url'], '.') + 1), '/');

}

}

define('cookie_domain', $txpcfg['cookie_domain']);

}

if (!empty($locale)) {

setlocale(LC_ALL, $locale);

}

// For backwards-compatibility (sort of) with plugins that expect the

// $textarray global to be present.

// Will remove in future.

$textarray = array();

//load_lang(LANG, 'admin');

// Initialise global theme.

$theme = \Textpattern\Admin\Theme::init();

include txpath.'/include/txp_auth.php';

doAuth();

// Add private preferences.

$prefs += get_prefs($txp_user);

plug_privs();

extract($prefs);

$dbversion = $version;

$event = (gps('event') ? trim(gps('event')) : (!empty($default_event) && has_privs($default_event) ? $default_event : 'article'));

$step = trim(gps('step'));

$app_mode = trim(gps('app_mode'));

/**

* @ignore

*/

define('SITE_HOST', (string)@parse_url(hu, PHP_URL_HOST));

/**

* @ignore

*/

define('IMPATH', $path_to_site.DS.$img_dir.DS);

if (!$dbversion || ($dbversion != $thisversion) || $txp_is_dev) {

define('TXP_UPDATE', 1);

include txpath.'/update/_update.php';

}

janitor();

$txp_sections = safe_column(array('name'), 'txp_section', '1 ORDER BY title, name');

$timezone_key = get_pref('timezone_key', date_default_timezone_get()) or $timezone_key = 'UTC';

date_default_timezone_set($timezone_key);

// Reload string pack using per-user language.

$lang_ui = (empty($language_ui)) ? $language : $language_ui;

load_lang($lang_ui, $event);

if ($lang_ui != $language) {

Txp::get('\Textpattern\L10n\Locale')->setLocale(LC_ALL, $lang_ui);

}

// Register modules

register_callback('\Textpattern\Module\Help\HelpAdmin::init', 'help');

if (!empty($admin_side_plugins) and gps('event') != 'plugin') {

load_plugins(1);

}

// Plugins may have altered privilege settings.

if (!defined('TXP_UPDATE_DONE') && !gps('event') && !empty($default_event) && has_privs($default_event)) {

$event = $default_event;

}

// Initialise private theme.

$theme = \Textpattern\Admin\Theme::init();

include txpath.'/lib/txplib_head.php';

require_privs($event);

callback_event($event, $step, 1);

$inc = txpath.'/include/txp_'.$event.'.php';

if (is_readable($inc)) {

include($inc);

}

callback_event($event, $step, 0);

end_page();

if ($production_status !== 'live') {

if ($app_mode != 'async') {

echo $trace->summary();

if ($production_status === 'debug') {

echo $trace->result();

}

} else {

foreach ($trace->summary(true) as $key => $value) {

header('X-Textpattern-'.preg_replace('/[^\w]+/', '', $key).': '.$value);

}

}

}

} else {

txp_die(

'Database connection was successful, but the <code>textpattern</code> table was not found.',

'503 Service Unavailable'

);

}