Issues in bootstrap.php - All Issues - Inspection of "Merge pull request #3776 from Spuds/Cleanup" - elkarte/Elkarte - Measure and Improve Code Quality continuously with Scrutinizer

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by Spuds

created 2024-03-30 17:22 UTC

bootstrap.php (2 issues)

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<?php

/**
 * Initialize the ElkArte environment.
 *
 * @package   ElkArte Forum
 * @copyright ElkArte Forum contributors
 * @license   BSD http://opensource.org/licenses/BSD-3-Clause (see accompanying LICENSE.txt file)
 *
 * This file contains code covered by:
 * copyright: 2011 Simple Machines (http://www.simplemachines.org)
 *
 * @version 2.0 dev
 */

use BBC\ParserWrapper;
use ElkArte\Cache\Cache;
use ElkArte\Controller\Auth;
use ElkArte\Debug;
use ElkArte\Errors\Errors;
filter:
    dependency_paths: ["lib/*"]
use ElkArte\EventManager;
use ElkArte\ext\Composer\Autoload\ClassLoader;
use ElkArte\Helper\TokenHash;
use ElkArte\Hooks;
use ElkArte\MembersList;
use ElkArte\Server;
use ElkArte\Themes\ThemeLoader;
use ElkArte\User;

/**
 * Class Bootstrap
 *
 * Takes care of the initial loading and feeding of Elkarte from
 * either SSI or Index
 */
class Bootstrap
{
	/** @var array What is returned by the function getrusage. */
	protected $rusage_start = [];

	/**
	 * Bootstrap constructor.
	 *
	 * @param bool $standalone
	 *  - true to boot outside elkarte
	 *  - false to bootstrap the main elkarte site.
	 */
	public function __construct($standalone = true)
	{
		// Bootstrap only once.
		if (!defined('ELKBOOT'))
		{
			// We're going to set a few globals
			global $time_start, $ssi_error_reporting, $db_show_debug;

			// Your on the clock
			$time_start = microtime(true);

			// Unless settings.php tells us otherwise
			$db_show_debug = false;

			// Report errors but not depreciated ones
			$ssi_error_reporting = error_reporting(E_ALL & ~E_DEPRECATED);

			// Get the things needed for ALL modes
			$this->bringUpBasics();

			// Going to run from the side entrance and not directly from inside elkarte
			if ($standalone)
			{
				$this->ssi_main();
			}
		}
	}

	/**
	 * Calls the various initialization functions in the needed order
	 */
	public function bringUpBasics()
	{
		$this->setConstants();
		$this->setRusage();
		$this->clearGlobals();
		$this->loadSettingsFile();
		$this->validatePaths();
		$this->loadDependants();
		$this->loadAutoloader();
		$this->checkMaintance();
		$this->setDebug();
		$this->bringUp();
	}

	/**
	 * Set the core constants, you know the ones we often forget to
	 * update on new releases.
	 */
	private function setConstants()
	{
		// First things first, but not necessarily in that order.
		if (!defined('ELK'))
		{
			define('ELK', '1');
		}

		define('ELKBOOT', '1');

		// The software version
		define('FORUM_VERSION', 'ElkArte 2.0 dev');

		// Shortcut for the browser cache stale
		define('CACHE_STALE', '?20dev');
	}

	/**
	 * Get initial resource usage
	 */
	private function setRusage()
	{
		$this->rusage_start = getrusage();
	}

	/**
	 * If they glo, they need to be cleaned.
	 */
	private function clearGlobals()
	{
		// We don't need no globals. (a bug in "old" versions of PHP)
		foreach (['db_character_set', 'cachedir'] as $variable)
		{
			if (isset($GLOBALS[$variable]))
			{
				unset($GLOBALS[$variable], $GLOBALS[$variable]);
			}
		}
	}

	/**
	 * Loads the settings values into the global space
	 */
	private function loadSettingsFile()
	{
		// All those wonderful things found in settings
		global $maintenance, $mtitle, $msubject, $mmessage, $mbname, $language, $boardurl, $webmaster_email;
		global $cookiename, $db_type, $db_server, $db_port, $db_name, $db_user, $db_passwd;
		global $ssi_db_user, $ssi_db_passwd, $db_prefix, $db_persist, $db_error_send, $cache_accelerator;
		global $cache_uid, $cache_password, $cache_enable, $cache_memcached, $db_show_debug, $url_format;
		global $cachedir, $boarddir, $sourcedir, $extdir, $languagedir;

		// Where the Settings.php file is located
		$settings_loc = __DIR__ . '/Settings.php';

		// First thing: if the installation dir exists, just send anybody there
		// The IGNORE_INSTALL_DIR constant is for developers only. Do not add it on production sites
		if (file_exists('install') && (file_exists('install/install.php') || file_exists('install/upgrade.php')))
		{
			if (file_exists($settings_loc))
			{
				require_once($settings_loc);
			}

			if (!defined('IGNORE_INSTALL_DIR'))
			{
				$redirec_file = file_exists($settings_loc) && empty($_SESSION['installing']) ? 'upgrade.php' : 'install.php';

				// To early for constants or autoloader
				require_once($boarddir . '/sources/ElkArte/Server.php');
				$server = new Server($_SERVER);

				$version_running = str_replace('ElkArte ', '', FORUM_VERSION);
				$location = $server->supportsSSL() ? 'https://' : 'http://';
				$location .= $server->getHost();
				$temp = preg_replace('~/' . preg_quote(basename($boardurl . '/index.php'), '~') . '(/.+)?$~', '', str_replace('\\', '/', dirname($_SERVER['PHP_SELF'])));
				$location .= ($temp !== '/') ? $temp : '';

				// Too early to use Headers class etc.
				header('Location:' . $location . '/install/' . $redirec_file . '?v=' . $version_running);
				die();
			}
		}
		else
		{
			require_once($settings_loc);
		}
	}

	/**
	 * Validate the paths set in Settings.php, correct as needed and move them to constants.
	 */
	private function validatePaths()
	{
		global $boarddir, $sourcedir, $cachedir, $extdir, $languagedir;

		// Make sure the paths are correct... at least try to fix them.
		if (!file_exists($boarddir) && file_exists(__DIR__ . '/bootstrap.php'))
		{
			$boarddir = __DIR__;
		}

		if (!file_exists($sourcedir . '/SiteDispatcher.class.php') && file_exists($boarddir . '/sources'))
		{
			$sourcedir = $boarddir . '/sources';
		}

		// Check that directories which didn't exist in past releases are initialized.
		if ((empty($cachedir) || !file_exists($cachedir)) && file_exists($boarddir . '/cache'))
		{
			$cachedir = $boarddir . '/cache';
		}

		if ((empty($extdir) || !file_exists($extdir)) && file_exists($sourcedir . '/ext'))
		{
			$extdir = $sourcedir . '/ext';
		}

		if ((empty($languagedir) || !file_exists($languagedir)) && file_exists($sourcedir . '/Languages/Index'))
		{
			$languagedir = $sourcedir . '/ElkArte/Languages';
		}

		// Time to forget about variables and go with constants!
		define('BOARDDIR', $boarddir);
		define('CACHEDIR', $cachedir);
		define('EXTDIR', $extdir);
		define('LANGUAGEDIR', $languagedir);
		define('SOURCEDIR', $sourcedir);
		define('ADMINDIR', $sourcedir . '/ElkArte/AdminController');
		define('CONTROLLERDIR', $sourcedir . '/ElkArte/Controller');
		define('SUBSDIR', $sourcedir . '/subs');
		define('ADDONSDIR', $boarddir . '/addons');
		unset($boarddir, $cachedir, $sourcedir, $languagedir, $extdir);
	}

	/**
	 * We require access to several important files, so load them upfront
	 */
	private function loadDependants()
	{
		// Files we cannot live without.
		require_once(SOURCEDIR . '/QueryString.php');
		require_once(SOURCEDIR . '/Session.php');
		require_once(SOURCEDIR . '/Subs.php');
		require_once(SOURCEDIR . '/Logging.php');
		require_once(SOURCEDIR . '/Load.php');
		require_once(SOURCEDIR . '/Security.php');
		require_once(SUBSDIR . '/Cache.subs.php');
	}

	/**
	 * The autoloader will take care most requests for files
	 */
	private function loadAutoloader()
	{
		require_once(EXTDIR . '/ClassLoader.php');

		$loader = new ClassLoader();
		$loader->setPsr4('ElkArte\\', SOURCEDIR . '/ElkArte');
		$loader->setPsr4('BBC\\', SOURCEDIR . '/ElkArte/BBC');
		$loader->register();
	}

	/**
	 * Check if we are in maintenance mode, if so end here.
	 */
	private function checkMaintance()
	{
		global $maintenance, $ssi_maintenance_off;

		// Don't do john didley if the forum's been shut down completely.
		if (empty($maintenance))
		{
			return;
		}

		if ((int) $maintenance !== 2)
		{
			return;
		}

		if (isset($ssi_maintenance_off) && $ssi_maintenance_off === true)
		{
			return;
		}

		Errors::instance()->display_maintenance_message();
	}

	/**
	 * If you like lots of debug information in error messages and below the footer
	 * then set $db_show_debug to true in settings.  Don't do this on a production site.
	 */
	private function setDebug()
	{
		global $db_show_debug, $ssi_error_reporting;

		// Show lots of debug information below the page, not for production sites
		if ($db_show_debug === true)
		{
			Debug::instance()->rusage('start', $this->rusage_start);
			$ssi_error_reporting = error_reporting(E_ALL | E_STRICT & ~8192);
		}
	}

	/**
	 * Time to see what has been requested, by whom and dispatch it to the proper handler
	 */
	private function bringUp()
	{
		global $context;

		// Initiate the database connection and define some database functions to use.
		loadDatabase();

		// Let's set up our shiny new hooks handler.
		Hooks::init(database(), Debug::instance());

		// It's time for settings loaded from the database.
		reloadSettings();

		// Clean the request.
		cleanRequest();

		// Make sure we have the list of members for populating it
		MembersList::init(database(), Cache::instance(), ParserWrapper::instance());

		// Our good ole' contextual array, which will hold everything
		if (empty($context))
		{
			$context = [];
		}
	}

	/**
	 * If you are running SSI standalone, you need to call this function after bootstrap is
	 * initialized.
	 */
	public function ssi_main()
	{
		global $ssi_layers, $ssi_theme, $ssi_gzip, $ssi_ban, $ssi_guest_access;
		global $modSettings, $context, $board, $topic, $txt;

		// Check on any hacking attempts.
		$this->_validRequestCheck();

		// Gzip output? (because it must be boolean and true, this can't be hacked.)
		if (isset($ssi_gzip) && $ssi_gzip === true && detectServer()->outPutCompressionEnabled())
		{
			ob_start('ob_gzhandler');
		}
		else
		{
			$modSettings['enableCompressedOutput'] = '0';
		}

		// Primarily, this is to fix the URLs...
		ob_start('ob_sessrewrite');

		// Start the session... known to scramble SSI includes in cases...
		if (!headers_sent())
		{
			loadSession();
		}
		else
		{
			if (isset($_COOKIE[session_name()]) || isset($_REQUEST[session_name()]))
			{
				// Make a stab at it, but ignore the E_WARNINGs generated because we can't send headers.
				$temp = error_reporting(error_reporting() & !E_WARNING);
				loadSession();
				error_reporting($temp);
			}

			if (!isset($_SESSION['session_value']))
			{
				$tokenizer = new TokenHash();
				$_SESSION['session_value'] = $tokenizer->generate_hash(32, session_id());
				$_SESSION['session_var'] = substr(preg_replace('~^\d+~', '', $tokenizer->generate_hash(16, session_id())), 0, rand(7, 12));
			}

			// This is here only to avoid session errors in PHP7
			// microtime effectively forces the replacing of the session in the db each
			// time the page is loaded
			$_SESSION['mictrotime'] = microtime();
		}

		// Get rid of $board and $topic... do stuff loadBoard would do.
		unset($board, $topic);
		$context['linktree'] = array();

		// Load the user and their cookie, as well as their settings.
		User::load(true);
		$context['user']['is_mod'] = User::$info->is_mod ?? false;

		// Load the current user's permissions....
		loadPermissions();

		// Load the current or SSI theme. (just use $ssi_theme = id_theme;)
		new ThemeLoader(isset($ssi_theme) ? (int) $ssi_theme : 0);

		// Load BadBehavior functions, but not when running from CLI
		if (!defined('STDIN') && runBadBehavior())
		{
			// 403 and gone
			Errors::instance()->display_403_error(true);
		}

		// Take care of any banning that needs to be done.
		if (isset($_REQUEST['ssi_ban']) || (isset($ssi_ban) && $ssi_ban === true))
		{
			is_not_banned();
		}

		// Do we allow guests in here?
		if (empty($ssi_guest_access) && empty($modSettings['allow_guestAccess']) && User::$info->is_guest && basename($_SERVER['PHP_SELF']) !== 'SSI.php')
		{
			$controller = new Auth(new EventManager());
			$controller->setUser(User::$info);
			$controller->action_kickguest();
			obExit(null, true);
		}

		if (!empty($modSettings['front_page']) && class_exists($modSettings['front_page'])
			&& in_array('frontPageHook', get_class_methods($modSettings['front_page'])))
		{
			$modSettings['default_forum_action'] = ['action' => 'forum'];
		}
		else
		{
			$modSettings['default_forum_action'] = [];
		}

		// Load the stuff like the menu bar, etc.
		if (isset($ssi_layers))
		{
			$template_layers = theme()->getLayers();
			$template_layers->removeAll();
			foreach ($ssi_layers as $layer)
			{
				$template_layers->addBegin($layer);
			}

			template_header();
		}
		else
		{
			setupThemeContext();
		}

		// We need to set up user agent, and make more checks on the request
		$req = request();

		// Make sure they didn't muss around with the settings... but only if it's not cli.
		if (isset($_SERVER['REMOTE_ADDR']) && session_id() === '')
		{
			trigger_error($txt['ssi_session_broken']);
		}

		// Without visiting the forum this session variable might not be set on submit.
		if (isset($_SESSION['USER_AGENT']))
		{
			return;
		}

		if (isset($_GET['ssi_function']) && $_GET['ssi_function'] === 'pollVote')
		{
			return;
		}

		$_SESSION['USER_AGENT'] = $req->user_agent();
	}

	/**
	 * Used to ensure SSI requests are valid and not a probing attempt
	 */
	private function _validRequestCheck()
	{
		global $ssi_theme, $ssi_layers;

		// Check on any hacking attempts.
		if (
			isset($_REQUEST['GLOBALS']) || isset($_COOKIE['GLOBALS'])
			|| isset($_REQUEST['ssi_theme']) && (int) $_REQUEST['ssi_theme'] === (int) $ssi_theme
			|| isset($_COOKIE['ssi_theme']) && (int) $_COOKIE['ssi_theme'] === (int) $ssi_theme
			|| isset($_REQUEST['ssi_layers'], $ssi_layers) && $_REQUEST['ssi_layers'] == $ssi_layers
			|| isset($_REQUEST['context']))
		{
			die('No access...');

		}
	}
}


1			<?php
2
3			/**
4			* Initialize the ElkArte environment.
5			*
6			* @package ElkArte Forum
7			* @copyright ElkArte Forum contributors
8			* @license BSD http://opensource.org/licenses/BSD-3-Clause (see accompanying LICENSE.txt file)
9			*
10			* This file contains code covered by:
11			* copyright: 2011 Simple Machines (http://www.simplemachines.org)
12			*
13			* @version 2.0 dev
14			*/
15
16			use BBC\ParserWrapper;
17			use ElkArte\Cache\Cache;
18			use ElkArte\Controller\Auth;
19			use ElkArte\Debug;
20			use ElkArte\Errors\Errors;
			0 ignored issues – show Bug introduced 2024-01-20 03:03 UTC by Report Bug Copy Issue Report Show Similar Issues like this The type `ElkArte\Errors\Errors` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
21			use ElkArte\EventManager;
22			use ElkArte\ext\Composer\Autoload\ClassLoader;
23			use ElkArte\Helper\TokenHash;
24			use ElkArte\Hooks;
25			use ElkArte\MembersList;
26			use ElkArte\Server;
27			use ElkArte\Themes\ThemeLoader;
28			use ElkArte\User;
29
30			/**
31			* Class Bootstrap
32			*
33			* Takes care of the initial loading and feeding of Elkarte from
34			* either SSI or Index
35			*/
36			class Bootstrap
37			{
38			/** @var array What is returned by the function getrusage. */
39			protected $rusage_start = [];
40
41			/**
42			* Bootstrap constructor.
43			*
44			* @param bool $standalone
45			* - true to boot outside elkarte
46			* - false to bootstrap the main elkarte site.
47			*/
48			public function __construct($standalone = true)
49			{
50			// Bootstrap only once.
51			if (!defined('ELKBOOT'))
52			{
53			// We're going to set a few globals
54			global $time_start, $ssi_error_reporting, $db_show_debug;
55
56			// Your on the clock
57			$time_start = microtime(true);
58
59			// Unless settings.php tells us otherwise
60			$db_show_debug = false;
61
62			// Report errors but not depreciated ones
63			$ssi_error_reporting = error_reporting(E_ALL & ~E_DEPRECATED);
64
65			// Get the things needed for ALL modes
66			$this->bringUpBasics();
67
68			// Going to run from the side entrance and not directly from inside elkarte
69			if ($standalone)
70			{
71			$this->ssi_main();
72			}
73			}
74			}
75
76			/**
77			* Calls the various initialization functions in the needed order
78			*/
79			public function bringUpBasics()
80			{
81			$this->setConstants();
82			$this->setRusage();
83			$this->clearGlobals();
84			$this->loadSettingsFile();
85			$this->validatePaths();
86			$this->loadDependants();
87			$this->loadAutoloader();
88			$this->checkMaintance();
89			$this->setDebug();
90			$this->bringUp();
91			}
92
93			/**
94			* Set the core constants, you know the ones we often forget to
95			* update on new releases.
96			*/
97			private function setConstants()
98			{
99			// First things first, but not necessarily in that order.
100			if (!defined('ELK'))
101			{
102			define('ELK', '1');
103			}
104
105			define('ELKBOOT', '1');
106
107			// The software version
108			define('FORUM_VERSION', 'ElkArte 2.0 dev');
109
110			// Shortcut for the browser cache stale
111			define('CACHE_STALE', '?20dev');
112			}
113
114			/**
115			* Get initial resource usage
116			*/
117			private function setRusage()
118			{
119			$this->rusage_start = getrusage();
120			}
121
122			/**
123			* If they glo, they need to be cleaned.
124			*/
125			private function clearGlobals()
126			{
127			// We don't need no globals. (a bug in "old" versions of PHP)
128			foreach (['db_character_set', 'cachedir'] as $variable)
129			{
130			if (isset($GLOBALS[$variable]))
131			{
132			unset($GLOBALS[$variable], $GLOBALS[$variable]);
133			}
134			}
135			}
136
137			/**
138			* Loads the settings values into the global space
139			*/
140			private function loadSettingsFile()
141			{
142			// All those wonderful things found in settings
143			global $maintenance, $mtitle, $msubject, $mmessage, $mbname, $language, $boardurl, $webmaster_email;
144			global $cookiename, $db_type, $db_server, $db_port, $db_name, $db_user, $db_passwd;
145			global $ssi_db_user, $ssi_db_passwd, $db_prefix, $db_persist, $db_error_send, $cache_accelerator;
146			global $cache_uid, $cache_password, $cache_enable, $cache_memcached, $db_show_debug, $url_format;
147			global $cachedir, $boarddir, $sourcedir, $extdir, $languagedir;
148
149			// Where the Settings.php file is located
150			$settings_loc = __DIR__ . '/Settings.php';
151
152			// First thing: if the installation dir exists, just send anybody there
153			// The IGNORE_INSTALL_DIR constant is for developers only. Do not add it on production sites
154			if (file_exists('install') && (file_exists('install/install.php') \|\| file_exists('install/upgrade.php')))
155			{
156			if (file_exists($settings_loc))
157			{
158			require_once($settings_loc);
159			}
160
161			if (!defined('IGNORE_INSTALL_DIR'))
162			{
163			$redirec_file = file_exists($settings_loc) && empty($_SESSION['installing']) ? 'upgrade.php' : 'install.php';
164
165			// To early for constants or autoloader
166			require_once($boarddir . '/sources/ElkArte/Server.php');
167			$server = new Server($_SERVER);
168
169			$version_running = str_replace('ElkArte ', '', FORUM_VERSION);
170			$location = $server->supportsSSL() ? 'https://' : 'http://';
171			$location .= $server->getHost();
172			$temp = preg_replace('~/' . preg_quote(basename($boardurl . '/index.php'), '~') . '(/.+)?$~', '', str_replace('\\', '/', dirname($_SERVER['PHP_SELF'])));
173			$location .= ($temp !== '/') ? $temp : '';
174
175			// Too early to use Headers class etc.
176			header('Location:' . $location . '/install/' . $redirec_file . '?v=' . $version_running);
177			die();
178			}
179			}
180			else
181			{
182			require_once($settings_loc);
183			}
184			}
185
186			/**
187			* Validate the paths set in Settings.php, correct as needed and move them to constants.
188			*/
189			private function validatePaths()
190			{
191			global $boarddir, $sourcedir, $cachedir, $extdir, $languagedir;
192
193			// Make sure the paths are correct... at least try to fix them.
194			if (!file_exists($boarddir) && file_exists(__DIR__ . '/bootstrap.php'))
195			{
196			$boarddir = __DIR__;
197			}
198
199			if (!file_exists($sourcedir . '/SiteDispatcher.class.php') && file_exists($boarddir . '/sources'))
200			{
201			$sourcedir = $boarddir . '/sources';
202			}
203
204			// Check that directories which didn't exist in past releases are initialized.
205			if ((empty($cachedir) \|\| !file_exists($cachedir)) && file_exists($boarddir . '/cache'))
206			{
207			$cachedir = $boarddir . '/cache';
208			}
209
210			if ((empty($extdir) \|\| !file_exists($extdir)) && file_exists($sourcedir . '/ext'))
211			{
212			$extdir = $sourcedir . '/ext';
213			}
214
215			if ((empty($languagedir) \|\| !file_exists($languagedir)) && file_exists($sourcedir . '/Languages/Index'))
216			{
217			$languagedir = $sourcedir . '/ElkArte/Languages';
218			}
219
220			// Time to forget about variables and go with constants!
221			define('BOARDDIR', $boarddir);
222			define('CACHEDIR', $cachedir);
223			define('EXTDIR', $extdir);
224			define('LANGUAGEDIR', $languagedir);
225			define('SOURCEDIR', $sourcedir);
226			define('ADMINDIR', $sourcedir . '/ElkArte/AdminController');
227			define('CONTROLLERDIR', $sourcedir . '/ElkArte/Controller');
228			define('SUBSDIR', $sourcedir . '/subs');
229			define('ADDONSDIR', $boarddir . '/addons');
230			unset($boarddir, $cachedir, $sourcedir, $languagedir, $extdir);
231			}
232
233			/**
234			* We require access to several important files, so load them upfront
235			*/
236			private function loadDependants()
237			{
238			// Files we cannot live without.
239			require_once(SOURCEDIR . '/QueryString.php');
240			require_once(SOURCEDIR . '/Session.php');
241			require_once(SOURCEDIR . '/Subs.php');
242			require_once(SOURCEDIR . '/Logging.php');
243			require_once(SOURCEDIR . '/Load.php');
244			require_once(SOURCEDIR . '/Security.php');
245			require_once(SUBSDIR . '/Cache.subs.php');
246			}
247
248			/**
249			* The autoloader will take care most requests for files
250			*/
251			private function loadAutoloader()
252			{
253			require_once(EXTDIR . '/ClassLoader.php');
254
255			$loader = new ClassLoader();
256			$loader->setPsr4('ElkArte\\', SOURCEDIR . '/ElkArte');
257			$loader->setPsr4('BBC\\', SOURCEDIR . '/ElkArte/BBC');
258			$loader->register();
259			}
260
261			/**
262			* Check if we are in maintenance mode, if so end here.
263			*/
264			private function checkMaintance()
265			{
266			global $maintenance, $ssi_maintenance_off;
267
268			// Don't do john didley if the forum's been shut down completely.
269			if (empty($maintenance))
270			{
271			return;
272			}
273
274			if ((int) $maintenance !== 2)
275			{
276			return;
277			}
278
279			if (isset($ssi_maintenance_off) && $ssi_maintenance_off === true)
280			{
281			return;
282			}
283
284			Errors::instance()->display_maintenance_message();
285			}
286
287			/**
288			* If you like lots of debug information in error messages and below the footer
289			* then set $db_show_debug to true in settings. Don't do this on a production site.
290			*/
291			private function setDebug()
292			{
293			global $db_show_debug, $ssi_error_reporting;
294
295			// Show lots of debug information below the page, not for production sites
296			if ($db_show_debug === true)
297			{
298			Debug::instance()->rusage('start', $this->rusage_start);
299			$ssi_error_reporting = error_reporting(E_ALL \| E_STRICT & ~8192);
300			}
301			}
302
303			/**
304			* Time to see what has been requested, by whom and dispatch it to the proper handler
305			*/
306			private function bringUp()
307			{
308			global $context;
309
310			// Initiate the database connection and define some database functions to use.
311			loadDatabase();
312
313			// Let's set up our shiny new hooks handler.
314			Hooks::init(database(), Debug::instance());
315
316			// It's time for settings loaded from the database.
317			reloadSettings();
318
319			// Clean the request.
320			cleanRequest();
321
322			// Make sure we have the list of members for populating it
323			MembersList::init(database(), Cache::instance(), ParserWrapper::instance());
324
325			// Our good ole' contextual array, which will hold everything
326			if (empty($context))
327			{
328			$context = [];
329			}
330			}
331
332			/**
333			* If you are running SSI standalone, you need to call this function after bootstrap is
334			* initialized.
335			*/
336			public function ssi_main()
337			{
338			global $ssi_layers, $ssi_theme, $ssi_gzip, $ssi_ban, $ssi_guest_access;
339			global $modSettings, $context, $board, $topic, $txt;
340
341			// Check on any hacking attempts.
342			$this->_validRequestCheck();
343
344			// Gzip output? (because it must be boolean and true, this can't be hacked.)
345			if (isset($ssi_gzip) && $ssi_gzip === true && detectServer()->outPutCompressionEnabled())
346			{
347			ob_start('ob_gzhandler');
348			}
349			else
350			{
351			$modSettings['enableCompressedOutput'] = '0';
352			}
353
354			// Primarily, this is to fix the URLs...
355			ob_start('ob_sessrewrite');
356
357			// Start the session... known to scramble SSI includes in cases...
358			if (!headers_sent())
359			{
360			loadSession();
361			}
362			else
363			{
364			if (isset($_COOKIE[session_name()]) \|\| isset($_REQUEST[session_name()]))
365			{
366			// Make a stab at it, but ignore the E_WARNINGs generated because we can't send headers.
367			$temp = error_reporting(error_reporting() & !E_WARNING);
368			loadSession();
369			error_reporting($temp);
370			}
371
372			if (!isset($_SESSION['session_value']))
373			{
374			$tokenizer = new TokenHash();
375			$_SESSION['session_value'] = $tokenizer->generate_hash(32, session_id());
376			$_SESSION['session_var'] = substr(preg_replace('~^\d+~', '', $tokenizer->generate_hash(16, session_id())), 0, rand(7, 12));
377			}
378
379			// This is here only to avoid session errors in PHP7
380			// microtime effectively forces the replacing of the session in the db each
381			// time the page is loaded
382			$_SESSION['mictrotime'] = microtime();
383			}
384
385			// Get rid of $board and $topic... do stuff loadBoard would do.
386			unset($board, $topic);
387			$context['linktree'] = array();
388
389			// Load the user and their cookie, as well as their settings.
390			User::load(true);
391			$context['user']['is_mod'] = User::$info->is_mod ?? false;
392
393			// Load the current user's permissions....
394			loadPermissions();
395
396			// Load the current or SSI theme. (just use $ssi_theme = id_theme;)
397			new ThemeLoader(isset($ssi_theme) ? (int) $ssi_theme : 0);
398
399			// Load BadBehavior functions, but not when running from CLI
400			if (!defined('STDIN') && runBadBehavior())
401			{
402			// 403 and gone
403			Errors::instance()->display_403_error(true);
404			}
405
406			// Take care of any banning that needs to be done.
407			if (isset($_REQUEST['ssi_ban']) \|\| (isset($ssi_ban) && $ssi_ban === true))
408			{
409			is_not_banned();
410			}
411
412			// Do we allow guests in here?
413			if (empty($ssi_guest_access) && empty($modSettings['allow_guestAccess']) && User::$info->is_guest && basename($_SERVER['PHP_SELF']) !== 'SSI.php')
414			{
415			$controller = new Auth(new EventManager());
416			$controller->setUser(User::$info);
417			$controller->action_kickguest();
418			obExit(null, true);
419			}
420
421			if (!empty($modSettings['front_page']) && class_exists($modSettings['front_page'])
422			&& in_array('frontPageHook', get_class_methods($modSettings['front_page'])))
423			{
424			$modSettings['default_forum_action'] = ['action' => 'forum'];
425			}
426			else
427			{
428			$modSettings['default_forum_action'] = [];
429			}
430
431			// Load the stuff like the menu bar, etc.
432			if (isset($ssi_layers))
433			{
434			$template_layers = theme()->getLayers();
435			$template_layers->removeAll();
436			foreach ($ssi_layers as $layer)
437			{
438			$template_layers->addBegin($layer);
439			}
440
441			template_header();
442			}
443			else
444			{
445			setupThemeContext();
446			}
447
448			// We need to set up user agent, and make more checks on the request
449			$req = request();
450
451			// Make sure they didn't muss around with the settings... but only if it's not cli.
452			if (isset($_SERVER['REMOTE_ADDR']) && session_id() === '')
453			{
454			trigger_error($txt['ssi_session_broken']);
455			}
456
457			// Without visiting the forum this session variable might not be set on submit.
458			if (isset($_SESSION['USER_AGENT']))
459			{
460			return;
461			}
462
463			if (isset($_GET['ssi_function']) && $_GET['ssi_function'] === 'pollVote')
464			{
465			return;
466			}
467
468			$_SESSION['USER_AGENT'] = $req->user_agent();
469			}
470
471			/**
472			* Used to ensure SSI requests are valid and not a probing attempt
473			*/
474			private function _validRequestCheck()
475			{
476			global $ssi_theme, $ssi_layers;
477
478			// Check on any hacking attempts.
479			if (
480			isset($_REQUEST['GLOBALS']) \|\| isset($_COOKIE['GLOBALS'])
481			\|\| isset($_REQUEST['ssi_theme']) && (int) $_REQUEST['ssi_theme'] === (int) $ssi_theme
482			\|\| isset($_COOKIE['ssi_theme']) && (int) $_COOKIE['ssi_theme'] === (int) $ssi_theme
483			\|\| isset($_REQUEST['ssi_layers'], $ssi_layers) && $_REQUEST['ssi_layers'] == $ssi_layers
484			\|\| isset($_REQUEST['context']))
485			{
486			die('No access...');
			0 ignored issues – show Best Practice introduced 2021-02-21 16:03 UTC by Report Bug Copy Issue Report Show Similar Issues like this Using `exit` here is not recommended. In general, usage of exit should be done with care and only when running in a scripting context like a CLI script. Loading history...
487			}
488			}
489			}
490

elkarte / Elkarte

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