path: root/Zotlabs/Web/WebServer.php

<?php /** @file */

class WebServer {

	public function run() {

		global $db;

		/*
		 * Bootstrap the application, load configuration, load modules, load theme, etc.
		 */

		/*
		 * bootstrap the application
		 */

		require_once('boot.php');

		if(file_exists('.htsite.php'))
			include('.htsite.php');


		// miniApp is a conversion object from old style .htconfig.php files

		$a = new \miniApp;

		// our central App object

		\App::init();

		/*
		 * Load the configuration file which contains our DB credentials.
		 * Ignore errors. If the file doesn't exist or is empty, we are running in
		 * installation mode.
		 */

		\App::$install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);

		@include('.htconfig.php');

		if(! defined('UNO'))
			define('UNO', 0);

		$a->convert();

		\App::$timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
		date_default_timezone_set(\App::$timezone);


		/*
		 * Try to open the database;
		 */

		require_once('include/dba/dba_driver.php');

		if(! \App::$install) {
			$db = DBA::dba_factory($db_host, $db_port, $db_user, $db_pass, $db_data, $db_type, \App::$install);
			if(! $db->connected) {
				system_unavailable();
			}

			unset($db_host, $db_port, $db_user, $db_pass, $db_data, $db_type);

			/**
			 * Load configs from db. Overwrite configs from .htconfig.php
			 */

			load_config('config');
			load_config('system');
			load_config('feature');

			\App::$session = new Zotlabs\Web\Session();
			\App::$session->init();
			load_hooks();
			call_hooks('init_1');

		}


		\App::$language = get_best_language();
		load_translation_table(\App::$language,\App::$install);


		/**
		 *
		 * Important stuff we always need to do.
		 *
		 * The order of these may be important so use caution if you think they're all
		 * intertwingled with no logical order and decide to sort it out. Some of the
		 * dependencies have changed, but at least at one time in the recent past - the
		 * order was critical to everything working properly
		 *
		 */

		if(\App::$session) {
			\App::$session->start();
	  	}
  		else {
			session_start();
			register_shutdown_function('session_write_close');
  		}

		/**
		 * Language was set earlier, but we can over-ride it in the session.
		 * We have to do it here because the session was just now opened.
		 */

		if(array_key_exists('system_language',$_POST)) {
			if(strlen($_POST['system_language']))
				$_SESSION['language'] = $_POST['system_language'];
			else
				unset($_SESSION['language']);
		}
		if((x($_SESSION, 'language')) && ($_SESSION['language'] !== $lang)) {
			\App::$language = $_SESSION['language'];
			load_translation_table(\App::$language);
		}

		if((x($_GET,'zid')) && (! \App::$install)) {
			\App::$query_string = strip_zids(\App::$query_string);
			if(! local_channel()) {
				$_SESSION['my_address'] = $_GET['zid'];
				zid_init($a);
			}
		}

		if((x($_SESSION, 'authenticated')) || (x($_POST, 'auth-params')) || (\App::$module === 'login'))
			require('include/auth.php');

		if(! x($_SESSION, 'sysmsg'))
			$_SESSION['sysmsg'] = array();

		if(! x($_SESSION, 'sysmsg_info'))
			$_SESSION['sysmsg_info'] = array();

		/*
		 * check_config() is responsible for running update scripts. These automatically
		 * update the DB schema whenever we push a new one out. It also checks to see if
		 * any plugins have been added or removed and reacts accordingly.
		 */


		if(\App::$install) {
			/* Allow an exception for the view module so that pcss will be interpreted during installation */
			if(\App::$module != 'view')
				\App::$module = 'setup';
		}
		else
			check_config($a);

		nav_set_selected('nothing');

		$Router = new Zotlabs\Web\Router($a);

		/* initialise content region */

		if(! x(\App::$page, 'content'))
			\App::$page['content'] = '';

		call_hooks('page_content_top', \App::$page['content']);


		$Router->Dispatch($a);


		// If you're just visiting, let javascript take you home

		if(x($_SESSION, 'visitor_home')) {
			$homebase = $_SESSION['visitor_home'];
		} elseif(local_channel()) {
			$homebase = z_root() . '/channel/' . \App::$channel['channel_address'];
		}

		if(isset($homebase)) {
			\App::$page['content'] .= '<script>var homebase = "' . $homebase . '";</script>';
		}

		// now that we've been through the module content, see if the page reported
		// a permission problem and if so, a 403 response would seem to be in order.

		if(stristr(implode("", $_SESSION['sysmsg']), t('Permission denied'))) {
			header($_SERVER['SERVER_PROTOCOL'] . ' 403 ' . t('Permission denied.'));
		}

		call_hooks('page_end', \App::$page['content']);

		construct_page($a);

		killme();
	}
}