3 // This file is part of Moodle - http://moodle.org/
5 // Moodle is free software: you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation, either version 3 of the License, or
8 // (at your option) any later version.
10 // Moodle is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
19 * setup.php - Sets up sessions, connects to databases and so on
21 * Normally this is only called by the main config.php file
22 * Normally this file does not need to be edited.
26 * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
27 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
31 * Holds the core settings that affect how Moodle works. Some of its fields
32 * are set in config.php, and the rest are loaded from the config table.
34 * Some typical settings in the $CFG global:
35 * - $CFG->wwwroot - Path to moodle index directory in url format.
36 * - $CFG->dataroot - Path to moodle data files directory on server's filesystem.
37 * - $CFG->dirroot - Path to moodle's library folder on server's filesystem.
38 * - $CFG->libdir - Path to moodle's library folder on server's filesystem.
39 * - $CFG->tempdir - Path to moodle's temp file directory on server's filesystem.
40 * - $CFG->cachedir - Path to moodle's cache directory on server's filesystem.
45 global $CFG; // this should be done much earlier in config.php before creating new $CFG instance
48 if (defined('PHPUNIT_SCRIPT') and PHPUNIT_SCRIPT) {
49 echo('There is a missing "global $CFG;" at the beginning of the config.php file.'."\n");
52 // this should never happen, maybe somebody is accessing this file directly...
57 // We can detect real dirroot path reliably since PHP 4.0.2,
58 // it can not be anything else, there is no point in having this in config.php
59 $CFG->dirroot = dirname(dirname(__FILE__));
61 // Normalise dataroot - we do not want any symbolic links, trailing / or any other weirdness there
62 if (!isset($CFG->dataroot)) {
63 if (isset($_SERVER['REMOTE_ADDR'])) {
64 header($_SERVER['SERVER_PROTOCOL'] . ' 503 Service Unavailable');
66 echo('Fatal error: $CFG->dataroot is not specified in config.php! Exiting.'."\n");
69 $CFG->dataroot = realpath($CFG->dataroot);
70 if ($CFG->dataroot === false) {
71 if (isset($_SERVER['REMOTE_ADDR'])) {
72 header($_SERVER['SERVER_PROTOCOL'] . ' 503 Service Unavailable');
74 echo('Fatal error: $CFG->dataroot is not configured properly, directory does not exist or is not accessible! Exiting.'."\n");
76 } else if (!is_writable($CFG->dataroot)) {
77 if (isset($_SERVER['REMOTE_ADDR'])) {
78 header($_SERVER['SERVER_PROTOCOL'] . ' 503 Service Unavailable');
80 echo('Fatal error: $CFG->dataroot is not writable, admin has to fix directory permissions! Exiting.'."\n");
84 // wwwroot is mandatory
85 if (!isset($CFG->wwwroot) or $CFG->wwwroot === 'http://example.com/moodle') {
86 if (isset($_SERVER['REMOTE_ADDR'])) {
87 header($_SERVER['SERVER_PROTOCOL'] . ' 503 Service Unavailable');
89 echo('Fatal error: $CFG->wwwroot is not configured! Exiting.'."\n");
93 // Define admin directory
94 if (!isset($CFG->admin)) { // Just in case it isn't defined in config.php
95 $CFG->admin = 'admin'; // This is relative to the wwwroot and dirroot
99 $CFG->libdir = $CFG->dirroot .'/lib';
101 // Allow overriding of tempdir but be backwards compatible
102 if (!isset($CFG->tempdir)) {
103 $CFG->tempdir = "$CFG->dataroot/temp";
106 // Allow overriding of cachedir but be backwards compatible
107 if (!isset($CFG->cachedir)) {
108 $CFG->cachedir = "$CFG->dataroot/cache";
111 // The current directory in PHP version 4.3.0 and above isn't necessarily the
112 // directory of the script when run from the command line. The require_once()
113 // would fail, so we'll have to chdir()
114 if (!isset($_SERVER['REMOTE_ADDR']) && isset($_SERVER['argv'][0])) {
115 chdir(dirname($_SERVER['argv'][0]));
118 // sometimes default PHP settings are borked on shared hosting servers, I wonder why they have to do that??
119 ini_set('precision', 14); // needed for upgrades and gradebook
121 // Scripts may request no debug and error messages in output
122 // please note it must be defined before including the config.php script
123 // and in some cases you also need to set custom default exception handler
124 if (!defined('NO_DEBUG_DISPLAY')) {
125 define('NO_DEBUG_DISPLAY', false);
128 // Some scripts such as upgrade may want to prevent output buffering
129 if (!defined('NO_OUTPUT_BUFFERING')) {
130 define('NO_OUTPUT_BUFFERING', false);
133 // Servers should define a default timezone in php.ini, but if they don't then make sure something is defined.
134 // This is a quick hack. Ideally we should ask the admin for a value. See MDL-22625 for more on this.
135 if (function_exists('date_default_timezone_set') and function_exists('date_default_timezone_get')) {
136 $olddebug = error_reporting(0);
137 date_default_timezone_set(date_default_timezone_get());
138 error_reporting($olddebug);
142 // PHPUnit scripts are a special case, for now we treat them as normal CLI scripts,
143 // please note you must install PHPUnit library separately via PEAR
144 if (!defined('PHPUNIT_SCRIPT')) {
145 define('PHPUNIT_SCRIPT', false);
147 if (PHPUNIT_SCRIPT) {
148 define('CLI_SCRIPT', true);
151 // Detect CLI scripts - CLI scripts are executed from command line, do not have session and we do not want HTML in output
152 // In your new CLI scripts just add "define('CLI_SCRIPT', true);" before requiring config.php.
153 // Please note that one script can not be accessed from both CLI and web interface.
154 if (!defined('CLI_SCRIPT')) {
155 define('CLI_SCRIPT', false);
157 if (defined('WEB_CRON_EMULATED_CLI')) {
158 if (!isset($_SERVER['REMOTE_ADDR'])) {
159 echo('Web cron can not be executed as CLI script any more, please use admin/cli/cron.php instead'."\n");
162 } else if (isset($_SERVER['REMOTE_ADDR'])) {
164 echo('Command line scripts can not be executed from the web interface');
169 echo('Command line scripts must define CLI_SCRIPT before requiring config.php'."\n");
174 // Detect CLI maintenance mode - this is useful when you need to mess with database, such as during upgrades
175 if (file_exists("$CFG->dataroot/climaintenance.html")) {
177 header('Content-type: text/html; charset=utf-8');
178 /// Headers to make it not cacheable and json
179 header('Cache-Control: no-store, no-cache, must-revalidate');
180 header('Cache-Control: post-check=0, pre-check=0', false);
181 header('Pragma: no-cache');
182 header('Expires: Mon, 20 Aug 1969 09:23:00 GMT');
183 header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
184 header('Accept-Ranges: none');
185 readfile("$CFG->dataroot/climaintenance.html");
188 if (!defined('CLI_MAINTENANCE')) {
189 define('CLI_MAINTENANCE', true);
193 if (!defined('CLI_MAINTENANCE')) {
194 define('CLI_MAINTENANCE', false);
199 // sometimes people use different PHP binary for web and CLI, make 100% sure they have the supported PHP version
200 if (version_compare(phpversion(), '5.3.2') < 0) {
201 $phpversion = phpversion();
202 // do NOT localise - lang strings would not work here and we CAN NOT move it to later place
203 echo "Moodle 2.1 or later requires at least PHP 5.3.2 (currently using version $phpversion).\n";
204 echo "Some servers may have multiple PHP versions installed, are you using the correct executable?\n";
209 // Detect ajax scripts - they are similar to CLI because we can not redirect, output html, etc.
210 if (!defined('AJAX_SCRIPT')) {
211 define('AJAX_SCRIPT', false);
214 // File permissions on created directories in the $CFG->dataroot
215 if (empty($CFG->directorypermissions)) {
216 $CFG->directorypermissions = 02777; // Must be octal (that's why it's here)
218 if (empty($CFG->filepermissions)) {
219 $CFG->filepermissions = ($CFG->directorypermissions & 0666); // strip execute flags
221 // better also set default umask because recursive mkdir() does not apply permissions recursively otherwise
224 // exact version of currently used yui2 and 3 library
225 $CFG->yui2version = '2.9.0';
226 $CFG->yui3version = '3.4.1';
229 // special support for highly optimised scripts that do not need libraries and DB connection
230 if (defined('ABORT_AFTER_CONFIG')) {
231 if (!defined('ABORT_AFTER_CONFIG_CANCEL')) {
232 // hide debugging if not enabled in config.php - we do not want to disclose sensitive info
233 if (isset($CFG->debug)) {
234 error_reporting($CFG->debug);
238 if (empty($CFG->debugdisplay)) {
239 ini_set('display_errors', '0');
240 ini_set('log_errors', '1');
242 ini_set('display_errors', '1');
244 require_once("$CFG->dirroot/lib/configonlylib.php");
249 /** Used by library scripts to check they are being called by Moodle */
250 if (!defined('MOODLE_INTERNAL')) { // necessary because cli installer has to define it earlier
251 define('MOODLE_INTERNAL', true);
254 // Early profiling start, based exclusively on config.php $CFG settings
255 if (!empty($CFG->earlyprofilingenabled)) {
256 require_once($CFG->libdir . '/xhprof/xhprof_moodle.php');
257 if (profiling_start()) {
258 register_shutdown_function('profiling_stop');
263 * Database connection. Used for all access to the database.
264 * @global moodle_database $DB
270 * Moodle's wrapper round PHP's $_SESSION.
272 * @global object $SESSION
278 * Holds the user table record for the current user. Will be the 'guest'
279 * user record for people who are not logged in.
281 * $USER is stored in the session.
283 * Items found in the user record:
284 * - $USER->email - The user's email address.
285 * - $USER->id - The unique integer identified of this user in the 'user' table.
286 * - $USER->email - The user's email address.
287 * - $USER->firstname - The user's first name.
288 * - $USER->lastname - The user's last name.
289 * - $USER->username - The user's login username.
290 * - $USER->secret - The user's ?.
291 * - $USER->lang - The user's language choice.
293 * @global object $USER
299 * Frontpage course record
304 * A central store of information about the current page we are
305 * generating in response to the user's request.
307 * @global moodle_page $PAGE
313 * The current course. An alias for $PAGE->course.
314 * @global object $COURSE
320 * $OUTPUT is an instance of core_renderer or one of its subclasses. Use
321 * it to generate HTML for output.
323 * $OUTPUT is initialised the first time it is used. See {@link bootstrap_renderer}
324 * for the magic that does that. After $OUTPUT has been initialised, any attempt
325 * to change something that affects the current theme ($PAGE->course, logged in use,
326 * httpsrequried ... will result in an exception.)
328 * Please note the $OUTPUT is replacing the old global $THEME object.
330 * @global object $OUTPUT
336 * Shared memory cache.
337 * @global object $MCACHE
343 * Full script path including all params, slash arguments, scheme and host.
344 * @global string $FULLME
350 * Script path including query string and slash arguments without host.
357 * $FULLME without slasharguments and query string.
358 * @global string $FULLSCRIPT
364 * Relative moodle script path '/course/view.php'
365 * @global string $SCRIPT
370 // Store settings from config.php in array in $CFG - we can use it later to detect problems and overrides
371 $CFG->config_php_settings = (array)$CFG;
372 // Forced plugin settings override values from config_plugins table
373 unset($CFG->config_php_settings['forced_plugin_settings']);
374 if (!isset($CFG->forced_plugin_settings)) {
375 $CFG->forced_plugin_settings = array();
377 // Set httpswwwroot default value (this variable will replace $CFG->wwwroot
378 // inside some URLs used in HTTPSPAGEREQUIRED pages.
379 $CFG->httpswwwroot = $CFG->wwwroot;
381 require_once($CFG->libdir .'/setuplib.php'); // Functions that MUST be loaded first
383 if (NO_OUTPUT_BUFFERING) {
384 // we have to call this always before starting session because it discards headers!
385 disable_output_buffering();
388 // Increase memory limits if possible
389 raise_memory_limit(MEMORY_STANDARD);
391 // Time to start counting
392 init_performance_info();
394 // Put $OUTPUT in place, so errors can be displayed.
395 $OUTPUT = new bootstrap_renderer();
397 // set handler for uncaught exceptions - equivalent to print_error() call
398 set_exception_handler('default_exception_handler');
399 set_error_handler('default_error_handler', E_ALL | E_STRICT);
401 // If there are any errors in the standard libraries we want to know!
402 error_reporting(E_ALL);
404 // Just say no to link prefetching (Moz prefetching, Google Web Accelerator, others)
405 // http://www.google.com/webmasters/faq.html#prefetchblock
406 if (!empty($_SERVER['HTTP_X_moz']) && $_SERVER['HTTP_X_moz'] === 'prefetch'){
407 header($_SERVER['SERVER_PROTOCOL'] . ' 404 Prefetch Forbidden');
408 echo('Prefetch request forbidden.');
412 if (!isset($CFG->prefix)) { // Just in case it isn't defined in config.php
416 // location of all languages except core English pack
417 if (!isset($CFG->langotherroot)) {
418 $CFG->langotherroot = $CFG->dataroot.'/lang';
421 // location of local lang pack customisations (dirs with _local suffix)
422 if (!isset($CFG->langlocalroot)) {
423 $CFG->langlocalroot = $CFG->dataroot.'/lang';
426 //point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else
427 //the problem is that we need specific version of quickforms and hacked excel files :-(
428 ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));
429 //point zend include path to moodles lib/zend so that includes and requires will search there for files before anywhere else
430 //please note zend library is supposed to be used only from web service protocol classes, it may be removed in future
431 ini_set('include_path', $CFG->libdir.'/zend' . PATH_SEPARATOR . ini_get('include_path'));
433 // Load up standard libraries
434 require_once($CFG->libdir .'/textlib.class.php'); // Functions to handle multibyte strings
435 require_once($CFG->libdir .'/filterlib.php'); // Functions for filtering test as it is output
436 require_once($CFG->libdir .'/ajax/ajaxlib.php'); // Functions for managing our use of JavaScript and YUI
437 require_once($CFG->libdir .'/weblib.php'); // Functions relating to HTTP and content
438 require_once($CFG->libdir .'/outputlib.php'); // Functions for generating output
439 require_once($CFG->libdir .'/navigationlib.php'); // Class for generating Navigation structure
440 require_once($CFG->libdir .'/dmllib.php'); // Database access
441 require_once($CFG->libdir .'/datalib.php'); // Legacy lib with a big-mix of functions.
442 require_once($CFG->libdir .'/accesslib.php'); // Access control functions
443 require_once($CFG->libdir .'/deprecatedlib.php'); // Deprecated functions included for backward compatibility
444 require_once($CFG->libdir .'/moodlelib.php'); // Other general-purpose functions
445 require_once($CFG->libdir .'/enrollib.php'); // Enrolment related functions
446 require_once($CFG->libdir .'/pagelib.php'); // Library that defines the moodle_page class, used for $PAGE
447 require_once($CFG->libdir .'/blocklib.php'); // Library for controlling blocks
448 require_once($CFG->libdir .'/eventslib.php'); // Events functions
449 require_once($CFG->libdir .'/grouplib.php'); // Groups functions
450 require_once($CFG->libdir .'/sessionlib.php'); // All session and cookie related stuff
451 require_once($CFG->libdir .'/editorlib.php'); // All text editor related functions and classes
452 require_once($CFG->libdir .'/messagelib.php'); // Messagelib functions
453 require_once($CFG->libdir .'/modinfolib.php'); // Cached information on course-module instances
455 // make sure PHP is not severly misconfigured
456 setup_validate_php_configuration();
458 // Connect to the database
461 // Disable errors for now - needed for installation when debug enabled in config.php
462 if (isset($CFG->debug)) {
463 $originalconfigdebug = $CFG->debug;
466 $originalconfigdebug = -1;
469 // Load up any configuration from the config table
472 // Verify upgrade is not running unless we are in a script that needs to execute in any case
473 if (!defined('NO_UPGRADE_CHECK') and isset($CFG->upgraderunning)) {
474 if ($CFG->upgraderunning < time()) {
475 unset_config('upgraderunning');
477 print_error('upgraderunning');
481 // Turn on SQL logging if required
482 if (!empty($CFG->logsql)) {
483 $DB->set_logging(true);
486 // Prevent warnings from roles when upgrading with debug on
487 if (isset($CFG->debug)) {
488 $originaldatabasedebug = $CFG->debug;
491 $originaldatabasedebug = -1;
494 // enable circular reference collector in PHP 5.3,
495 // it helps a lot when using large complex OOP structures such as in amos or gradebook
496 if (function_exists('gc_enable')) {
500 // Register default shutdown tasks - such as Apache memory release helper, perf logging, etc.
501 if (function_exists('register_shutdown_function')) {
502 register_shutdown_function('moodle_request_shutdown');
505 // Set error reporting back to normal
506 if ($originaldatabasedebug == -1) {
507 $CFG->debug = DEBUG_MINIMAL;
509 $CFG->debug = $originaldatabasedebug;
511 if ($originalconfigdebug !== -1) {
512 $CFG->debug = $originalconfigdebug;
514 unset($originalconfigdebug);
515 unset($originaldatabasedebug);
516 error_reporting($CFG->debug);
518 // find out if PHP configured to display warnings,
519 // this is a security problem because some moodle scripts may
520 // disclose sensitive information
521 if (ini_get_bool('display_errors')) {
522 define('WARN_DISPLAY_ERRORS_ENABLED', true);
524 // If we want to display Moodle errors, then try and set PHP errors to match
525 if (!isset($CFG->debugdisplay)) {
526 // keep it "as is" during installation
527 } else if (NO_DEBUG_DISPLAY) {
528 // some parts of Moodle cannot display errors and debug at all.
529 ini_set('display_errors', '0');
530 ini_set('log_errors', '1');
531 } else if (empty($CFG->debugdisplay)) {
532 ini_set('display_errors', '0');
533 ini_set('log_errors', '1');
535 // This is very problematic in XHTML strict mode!
536 ini_set('display_errors', '1');
539 // detect unsupported upgrade jump as soon as possible - do not change anything, do not use system functions
540 if (!empty($CFG->version) and $CFG->version < 2007101509) {
541 print_error('upgraderequires19', 'error');
545 // Shared-Memory cache init -- will set $MCACHE
546 // $MCACHE is a global object that offers at least add(), set() and delete()
547 // with similar semantics to the memcached PHP API http://php.net/memcache
548 // Ensure we define rcache - so we can later check for it
549 // with a really fast and unambiguous $CFG->rcache === false
550 if (!empty($CFG->cachetype)) {
551 if (empty($CFG->rcache)) {
552 $CFG->rcache = false;
557 // do not try to initialize if cache disabled
559 $CFG->cachetype = '';
562 if ($CFG->cachetype === 'memcached' && !empty($CFG->memcachedhosts)) {
563 if (!init_memcached()) {
564 debugging("Error initialising memcached");
565 $CFG->cachetype = '';
566 $CFG->rcache = false;
568 } else if ($CFG->cachetype === 'eaccelerator') {
569 if (!init_eaccelerator()) {
570 debugging("Error initialising eaccelerator cache");
571 $CFG->cachetype = '';
572 $CFG->rcache = false;
576 } else { // just make sure it is defined
577 $CFG->cachetype = '';
578 $CFG->rcache = false;
581 // Calculate and set $CFG->ostype to be used everywhere. Possible values are:
582 // - WINDOWS: for any Windows flavour.
583 // - UNIX: for the rest
584 // Also, $CFG->os can continue being used if more specialization is required
585 if (stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin')) {
586 $CFG->ostype = 'WINDOWS';
588 $CFG->ostype = 'UNIX';
592 // Configure ampersands in URLs
593 ini_set('arg_separator.output', '&');
595 // Work around for a PHP bug see MDL-11237
596 ini_set('pcre.backtrack_limit', 20971520); // 20 MB
598 // Location of standard files
599 $CFG->wordlist = $CFG->libdir .'/wordlist.txt';
600 $CFG->moddata = 'moddata';
602 // A hack to get around magic_quotes_gpc being turned on
603 // It is strongly recommended to disable "magic_quotes_gpc"!
604 if (ini_get_bool('magic_quotes_gpc')) {
605 function stripslashes_deep($value) {
606 $value = is_array($value) ?
607 array_map('stripslashes_deep', $value) :
608 stripslashes($value);
611 $_POST = array_map('stripslashes_deep', $_POST);
612 $_GET = array_map('stripslashes_deep', $_GET);
613 $_COOKIE = array_map('stripslashes_deep', $_COOKIE);
614 $_REQUEST = array_map('stripslashes_deep', $_REQUEST);
615 if (!empty($_SERVER['REQUEST_URI'])) {
616 $_SERVER['REQUEST_URI'] = stripslashes($_SERVER['REQUEST_URI']);
618 if (!empty($_SERVER['QUERY_STRING'])) {
619 $_SERVER['QUERY_STRING'] = stripslashes($_SERVER['QUERY_STRING']);
621 if (!empty($_SERVER['HTTP_REFERER'])) {
622 $_SERVER['HTTP_REFERER'] = stripslashes($_SERVER['HTTP_REFERER']);
624 if (!empty($_SERVER['PATH_INFO'])) {
625 $_SERVER['PATH_INFO'] = stripslashes($_SERVER['PATH_INFO']);
627 if (!empty($_SERVER['PHP_SELF'])) {
628 $_SERVER['PHP_SELF'] = stripslashes($_SERVER['PHP_SELF']);
630 if (!empty($_SERVER['PATH_TRANSLATED'])) {
631 $_SERVER['PATH_TRANSLATED'] = stripslashes($_SERVER['PATH_TRANSLATED']);
635 // neutralise nasty chars in PHP_SELF
636 if (isset($_SERVER['PHP_SELF'])) {
637 $phppos = strpos($_SERVER['PHP_SELF'], '.php');
638 if ($phppos !== false) {
639 $_SERVER['PHP_SELF'] = substr($_SERVER['PHP_SELF'], 0, $phppos+4);
644 // initialise ME's - this must be done BEFORE starting of session!
647 // define SYSCONTEXTID in config.php if you want to save some queries,
648 // after install it must match the system context record id.
649 if (!defined('SYSCONTEXTID')) {
650 get_system_context();
653 // Defining the site - aka frontpage course
656 } catch (dml_exception $e) {
658 if (empty($CFG->version)) {
659 $SITE = new stdClass();
665 // And the 'default' course - this will usually get reset later in require_login() etc.
666 $COURSE = clone($SITE);
667 /** @deprecated Id of the frontpage course, use $SITE->id instead */
668 define('SITEID', $SITE->id);
670 // init session prevention flag - this is defined on pages that do not want session
672 // no sessions in CLI scripts possible
673 define('NO_MOODLE_COOKIES', true);
675 } else if (!defined('NO_MOODLE_COOKIES')) {
676 if (empty($CFG->version) or $CFG->version < 2009011900) {
677 // no session before sessions table gets created
678 define('NO_MOODLE_COOKIES', true);
679 } else if (CLI_SCRIPT) {
680 // CLI scripts can not have session
681 define('NO_MOODLE_COOKIES', true);
683 define('NO_MOODLE_COOKIES', false);
687 // start session and prepare global $SESSION, $USER
688 session_get_instance();
689 $SESSION = &$_SESSION['SESSION'];
690 $USER = &$_SESSION['USER'];
692 // Late profiling, only happening if early one wasn't started
693 if (!empty($CFG->profilingenabled)) {
694 require_once($CFG->libdir . '/xhprof/xhprof_moodle.php');
695 if (profiling_start()) {
696 register_shutdown_function('profiling_stop');
700 // Process theme change in the URL.
701 if (!empty($CFG->allowthemechangeonurl) and !empty($_GET['theme'])) {
702 // we have to use _GET directly because we do not want this to interfere with _POST
703 $urlthemename = optional_param('theme', '', PARAM_PLUGIN);
705 $themeconfig = theme_config::load($urlthemename);
706 // Makes sure the theme can be loaded without errors.
707 if ($themeconfig->name === $urlthemename) {
708 $SESSION->theme = $urlthemename;
710 unset($SESSION->theme);
713 unset($urlthemename);
714 } catch (Exception $e) {
715 debugging('Failed to set the theme from the URL.', DEBUG_DEVELOPER, $e->getTrace());
718 unset($urlthemename);
720 // Ensure a valid theme is set.
721 if (!isset($CFG->theme)) {
722 $CFG->theme = 'standardwhite';
725 // Set language/locale of printed times. If user has chosen a language that
726 // that is different from the site language, then use the locale specified
727 // in the language file. Otherwise, if the admin hasn't specified a locale
728 // then use the one from the default language. Otherwise (and this is the
729 // majority of cases), use the stored locale specified by admin.
730 // note: do not accept lang parameter from POST
731 if (isset($_GET['lang']) and ($lang = optional_param('lang', '', PARAM_SAFEDIR))) {
732 if (get_string_manager()->translation_exists($lang, false)) {
733 $SESSION->lang = $lang;
738 setup_lang_from_browser();
740 if (empty($CFG->lang)) {
741 if (empty($SESSION->lang)) {
744 $CFG->lang = $SESSION->lang;
748 // Set the default site locale, a lot of the stuff may depend on this
749 // it is definitely too late to call this first in require_login()!
752 // Create the $PAGE global - this marks the PAGE and OUTPUT fully initialised, this MUST be done at the end of setup!
753 if (!empty($CFG->moodlepageclass)) {
754 $classname = $CFG->moodlepageclass;
756 $classname = 'moodle_page';
758 $PAGE = new $classname();
762 if (!empty($CFG->debugvalidators) and !empty($CFG->guestloginbutton)) {
763 if ($CFG->theme == 'standard' or $CFG->theme == 'standardwhite') { // Temporary measure to help with XHTML validation
764 if (isset($_SERVER['HTTP_USER_AGENT']) and empty($USER->id)) { // Allow W3CValidator in as user called w3cvalidator (or guest)
765 if ((strpos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') !== false) or
766 (strpos($_SERVER['HTTP_USER_AGENT'], 'Cynthia') !== false )) {
767 if ($user = get_complete_user_data("username", "w3cvalidator")) {
768 $user->ignoresesskey = true;
770 $user = guest_user();
772 session_set_user($user);
778 // Apache log integration. In apache conf file one can use ${MOODULEUSER}n in
779 // LogFormat to get the current logged in username in moodle.
780 if ($USER && function_exists('apache_note')
781 && !empty($CFG->apacheloguser) && isset($USER->username)) {
782 $apachelog_userid = $USER->id;
783 $apachelog_username = clean_filename($USER->username);
784 $apachelog_name = '';
785 if (isset($USER->firstname)) {
786 // We can assume both will be set
787 // - even if to empty.
788 $apachelog_name = clean_filename($USER->firstname . " " .
791 if (session_is_loggedinas()) {
792 $realuser = session_get_realuser();
793 $apachelog_username = clean_filename($realuser->username." as ".$apachelog_username);
794 $apachelog_name = clean_filename($realuser->firstname." ".$realuser->lastname ." as ".$apachelog_name);
795 $apachelog_userid = clean_filename($realuser->id." as ".$apachelog_userid);
797 switch ($CFG->apacheloguser) {
799 $logname = $apachelog_username;
802 $logname = $apachelog_name;
806 $logname = $apachelog_userid;
809 apache_note('MOODLEUSER', $logname);
812 // Use a custom script replacement if one exists
813 if (!empty($CFG->customscripts)) {
814 if (($customscript = custom_script_path()) !== false) {
815 require ($customscript);
819 if (CLI_SCRIPT and !defined('WEB_CRON_EMULATED_CLI') and !PHPUNIT_SCRIPT) {
821 } else if (!empty($CFG->allowbeforeblock)) { // allowed list processed before blocked list?
822 // in this case, ip in allowed list will be performed first
823 // for example, client IP is 192.168.1.1
824 // 192.168 subnet is an entry in allowed list
825 // 192.168.1.1 is banned in blocked list
826 // This ip will be banned finally
827 if (!empty($CFG->allowedip)) {
828 if (!remoteip_in_list($CFG->allowedip)) {
829 die(get_string('ipblocked', 'admin'));
832 // need further check, client ip may a part of
833 // allowed subnet, but a IP address are listed
835 if (!empty($CFG->blockedip)) {
836 if (remoteip_in_list($CFG->blockedip)) {
837 die(get_string('ipblocked', 'admin'));
842 // in this case, IPs in blocked list will be performed first
843 // for example, client IP is 192.168.1.1
844 // 192.168 subnet is an entry in blocked list
845 // 192.168.1.1 is allowed in allowed list
846 // This ip will be allowed finally
847 if (!empty($CFG->blockedip)) {
848 if (remoteip_in_list($CFG->blockedip)) {
849 // if the allowed ip list is not empty
850 // IPs are not included in the allowed list will be
852 if (!empty($CFG->allowedip)) {
853 if (!remoteip_in_list($CFG->allowedip)) {
854 die(get_string('ipblocked', 'admin'));
857 die(get_string('ipblocked', 'admin'));
861 // if blocked list is null
862 // allowed list should be tested
863 if(!empty($CFG->allowedip)) {
864 if (!remoteip_in_list($CFG->allowedip)) {
865 die(get_string('ipblocked', 'admin'));
871 // note: we can not block non utf-8 installations here, because empty mysql database
872 // might be converted to utf-8 in admin/index.php during installation
876 // this is a funny trick to make Eclipse believe that $OUTPUT and other globals
877 // contains an instance of core_renderer, etc. which in turn fixes autocompletion ;-)
879 $DB = new moodle_database();
880 $OUTPUT = new core_renderer(null, null);
881 $PAGE = new moodle_page();