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<?php// This file is part of Moodle - http://moodle.org///// Moodle 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, either version 3 of the License, or// (at your option) any later version.//// Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>./*** setup.php - Sets up sessions, connects to databases and so on** Normally this is only called by the main config.php file* Normally this file does not need to be edited.** @package core* @subpackage lib* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later*//*** Holds the core settings that affect how Moodle works. Some of its fields* are set in config.php, and the rest are loaded from the config table.** Some typical settings in the $CFG global:* - $CFG->wwwroot - Path to moodle index directory in url format.* - $CFG->dataroot - Path to moodle data files directory on server's filesystem.* - $CFG->dirroot - Path to moodle's library folder on server's filesystem.* - $CFG->libdir - Path to moodle's library folder on server's filesystem.* - $CFG->backuptempdir - Path to moodle's backup temp file directory on server's filesystem.* - $CFG->tempdir - Path to moodle's temp file directory on server's filesystem.* - $CFG->cachedir - Path to moodle's cache directory on server's filesystem (shared by cluster nodes).* - $CFG->localcachedir - Path to moodle's local cache directory (not shared by cluster nodes).* - $CFG->localrequestdir - Path to moodle's local temp request directory (not shared by cluster nodes).** @global object $CFG* @name $CFG*/global $CFG; // this should be done much earlier in config.php before creating new $CFG instanceif (!isset($CFG)) {if (defined('PHPUNIT_TEST') and PHPUNIT_TEST) {echo('There is a missing "global $CFG;" at the beginning of the config.php file.'."\n");exit(1);} else {// this should never happen, maybe somebody is accessing this file directly...exit(1);}}// We can detect real dirroot path reliably since PHP 4.0.2,// it can not be anything else, there is no point in having this in config.php$CFG->dirroot = dirname(__DIR__);// File permissions on created directories in the $CFG->datarootif (!isset($CFG->directorypermissions)) {$CFG->directorypermissions = 02777; // Must be octal (that's why it's here)}if (!isset($CFG->filepermissions)) {$CFG->filepermissions = ($CFG->directorypermissions & 0666); // strip execute flags}// Better also set default umask because developers often forget to include directory// permissions in mkdir() and chmod() after creating new files.if (!isset($CFG->umaskpermissions)) {$CFG->umaskpermissions = (($CFG->directorypermissions & 0777) ^ 0777);}umask($CFG->umaskpermissions);if (defined('BEHAT_SITE_RUNNING')) {// We already switched to behat test site previously.} else if (!empty($CFG->behat_wwwroot) or !empty($CFG->behat_dataroot) or !empty($CFG->behat_prefix)) {// The behat is configured on this server, we need to find out if this is the behat test// site based on the URL used for access.require_once(__DIR__ . '/../lib/behat/lib.php');// Update config variables for parallel behat runs.behat_update_vars_for_process();// If behat is being installed for parallel run, then we modify params for parallel run only.if (behat_is_test_site() && !(defined('BEHAT_PARALLEL_UTIL') && empty($CFG->behatrunprocess))) {clearstatcache();// Checking the integrity of the provided $CFG->behat_* vars and the// selected wwwroot to prevent conflicts with production and phpunit environments.behat_check_config_vars();// Check that the directory does not contains other things.if (!file_exists("$CFG->behat_dataroot/behattestdir.txt")) {if ($dh = opendir($CFG->behat_dataroot)) {while (($file = readdir($dh)) !== false) {if ($file === 'behat' or $file === '.' or $file === '..' or $file === '.DS_Store' or is_numeric($file)) {continue;}behat_error(BEHAT_EXITCODE_CONFIG, "$CFG->behat_dataroot directory is not empty, ensure this is the " ."directory where you want to install behat test dataroot");}closedir($dh);unset($dh);unset($file);}if (defined('BEHAT_UTIL')) {// Now we create dataroot directory structure for behat tests.testing_initdataroot($CFG->behat_dataroot, 'behat');} else {behat_error(BEHAT_EXITCODE_INSTALL);}}if (!defined('BEHAT_UTIL') and !defined('BEHAT_TEST')) {// Somebody tries to access test site directly, tell them if not enabled.$behatdir = preg_replace("#[/|\\\]" . BEHAT_PARALLEL_SITE_NAME . "\d{0,}$#", '', $CFG->behat_dataroot);if (!file_exists($behatdir . '/test_environment_enabled.txt')) {behat_error(BEHAT_EXITCODE_CONFIG, 'Behat is configured but not enabled on this test site.');}}// Constant used to inform that the behat test site is being used,// this includes all the processes executed by the behat CLI command like// the site reset, the steps executed by the browser drivers when simulating// a user session and a real session when browsing manually to $CFG->behat_wwwroot// like the browser driver does automatically.// Different from BEHAT_TEST as only this last one can perform CLI// actions like reset the site or use data generators.define('BEHAT_SITE_RUNNING', true);// Clean extra config.php settings.behat_clean_init_config();// Now we can begin switching $CFG->X for $CFG->behat_X.$CFG->wwwroot = $CFG->behat_wwwroot;$CFG->prefix = $CFG->behat_prefix;$CFG->dataroot = $CFG->behat_dataroot;// And we do the same with the optional ones.$allowedconfigoverride = ['dbname', 'dbuser', 'dbpass', 'dbhost'];foreach ($allowedconfigoverride as $config) {$behatconfig = 'behat_' . $config;if (!isset($CFG->$behatconfig)) {continue;}$CFG->$config = $CFG->$behatconfig;}}}// Set default warn runtime.if (!isset($CFG->taskruntimewarn)) {$CFG->taskruntimewarn = 12 * 60 * 60;}// Set default error runtime.if (!isset($CFG->taskruntimeerror)) {$CFG->taskruntimeerror = 24 * 60 * 60;}// Normalise dataroot - we do not want any symbolic links, trailing / or any other weirdness thereif (!isset($CFG->dataroot)) {if (isset($_SERVER['REMOTE_ADDR'])) {header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error ');}echo('Fatal error: $CFG->dataroot is not specified in config.php! Exiting.'."\n");exit(1);}$CFG->dataroot = realpath($CFG->dataroot);if ($CFG->dataroot === false) {if (isset($_SERVER['REMOTE_ADDR'])) {header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error ');}echo('Fatal error: $CFG->dataroot is not configured properly, directory does not exist or is not accessible! Exiting.'."\n");exit(1);} else if (!is_writable($CFG->dataroot)) {if (isset($_SERVER['REMOTE_ADDR'])) {header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error ');}echo('Fatal error: $CFG->dataroot is not writable, admin has to fix directory permissions! Exiting.'."\n");exit(1);}// wwwroot is mandatoryif (!isset($CFG->wwwroot) or $CFG->wwwroot === 'http://example.com/moodle') {if (isset($_SERVER['REMOTE_ADDR'])) {header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error ');}echo('Fatal error: $CFG->wwwroot is not configured! Exiting.'."\n");exit(1);}// Make sure there is some database table prefix.if (!isset($CFG->prefix)) {$CFG->prefix = '';}// Define admin directoryif (!isset($CFG->admin)) { // Just in case it isn't defined in config.php$CFG->admin = 'admin'; // This is relative to the wwwroot and dirroot}// Set up some paths.$CFG->libdir = $CFG->dirroot .'/lib';// Allow overriding of tempdir but be backwards compatibleif (!isset($CFG->tempdir)) {$CFG->tempdir = $CFG->dataroot . DIRECTORY_SEPARATOR . "temp";}// Allow overriding of backuptempdir but be backwards compatibleif (!isset($CFG->backuptempdir)) {$CFG->backuptempdir = "$CFG->tempdir/backup";}// Allow overriding of cachedir but be backwards compatibleif (!isset($CFG->cachedir)) {$CFG->cachedir = "$CFG->dataroot/cache";}// Allow overriding of localcachedir.if (!isset($CFG->localcachedir)) {$CFG->localcachedir = "$CFG->dataroot/localcache";}// Allow overriding of localrequestdir.if (!isset($CFG->localrequestdir)) {$CFG->localrequestdir = sys_get_temp_dir() . '/requestdir';}// Location of all languages except core English pack.if (!isset($CFG->langotherroot)) {$CFG->langotherroot = $CFG->dataroot.'/lang';}// Location of local lang pack customisations (dirs with _local suffix).if (!isset($CFG->langlocalroot)) {$CFG->langlocalroot = $CFG->dataroot.'/lang';}// The current directory in PHP version 4.3.0 and above isn't necessarily the// directory of the script when run from the command line. The require_once()// would fail, so we'll have to chdir()if (!isset($_SERVER['REMOTE_ADDR']) && isset($_SERVER['argv'][0])) {// do it only once - skip the second time when continuing after prevous abortif (!defined('ABORT_AFTER_CONFIG') and !defined('ABORT_AFTER_CONFIG_CANCEL')) {chdir(dirname($_SERVER['argv'][0]));}}// sometimes default PHP settings are borked on shared hosting servers, I wonder why they have to do that??ini_set('precision', 14); // needed for upgrades and gradebookini_set('serialize_precision', -1); // Make float serialization consistent on all systems.// Scripts may request no debug and error messages in output// please note it must be defined before including the config.php script// and in some cases you also need to set custom default exception handlerif (!defined('NO_DEBUG_DISPLAY')) {if (defined('AJAX_SCRIPT') and AJAX_SCRIPT) {// Moodle AJAX scripts are expected to return json data, any PHP notices or errors break it badly,// developers simply must learn to watch error log.define('NO_DEBUG_DISPLAY', true);} else {define('NO_DEBUG_DISPLAY', false);}}// Some scripts such as upgrade may want to prevent output bufferingif (!defined('NO_OUTPUT_BUFFERING')) {define('NO_OUTPUT_BUFFERING', false);}// PHPUnit tests need custom initif (!defined('PHPUNIT_TEST')) {define('PHPUNIT_TEST', false);}// Performance tests needs to always display performance info, even in redirections;// MDL_PERF_TEST is used in https://github.com/moodlehq/moodle-performance-comparison scripts.if (!defined('MDL_PERF_TEST')) {define('MDL_PERF_TEST', false);}// Make sure all MDL_PERF* constants are always defined.if (!defined('MDL_PERF')) {define('MDL_PERF', MDL_PERF_TEST);}if (!defined('MDL_PERFTOFOOT')) {define('MDL_PERFTOFOOT', MDL_PERF_TEST);}if (!defined('MDL_PERFTOLOG')) {define('MDL_PERFTOLOG', false);}if (!defined('MDL_PERFINC')) {define('MDL_PERFINC', false);}// Note that PHPUnit and Behat tests should pass with both MDL_PERF true and false.// When set to true MUC (Moodle caching) will be disabled as much as possible.// A special cache factory will be used to handle this situation and will use special "disabled" equivalents objects.// This ensure we don't attempt to read or create the config file, don't use stores, don't provide persistence or// storage of any kind.if (!defined('CACHE_DISABLE_ALL')) {define('CACHE_DISABLE_ALL', false);}// When set to true MUC (Moodle caching) will not use any of the defined or default stores.// The Cache API will continue to function however this will force the use of the cachestore_dummy so all requests// will be interacting with a static property and will never go to the proper cache stores.// Useful if you need to avoid the stores for one reason or another.if (!defined('CACHE_DISABLE_STORES')) {define('CACHE_DISABLE_STORES', false);}// Servers should define a default timezone in php.ini, but if they don't then make sure no errors are shown.date_default_timezone_set(@date_default_timezone_get());// Detect CLI scripts - CLI scripts are executed from command line, do not have session and we do not want HTML in output// In your new CLI scripts just add "define('CLI_SCRIPT', true);" before requiring config.php.// Please note that one script can not be accessed from both CLI and web interface.if (!defined('CLI_SCRIPT')) {define('CLI_SCRIPT', false);}if (defined('WEB_CRON_EMULATED_CLI')) {if (!isset($_SERVER['REMOTE_ADDR'])) {echo('Web cron can not be executed as CLI script any more, please use admin/cli/cron.php instead'."\n");exit(1);}} else if (isset($_SERVER['REMOTE_ADDR'])) {if (CLI_SCRIPT) {echo('Command line scripts can not be executed from the web interface');exit(1);}} else {if (!CLI_SCRIPT) {echo('Command line scripts must define CLI_SCRIPT before requiring config.php'."\n");exit(1);}}// All web service requests have WS_SERVER == true.if (!defined('WS_SERVER')) {define('WS_SERVER', false);}// Detect CLI maintenance mode - this is useful when you need to mess with database, such as during upgradesif (file_exists("$CFG->dataroot/climaintenance.html")) {if (!CLI_SCRIPT) {header($_SERVER['SERVER_PROTOCOL'] . ' 503 Moodle under maintenance');header('Status: 503 Moodle under maintenance');header('Retry-After: 300');header('Content-type: text/html; charset=utf-8');header('X-UA-Compatible: IE=edge');/// Headers to make it not cacheable and jsonheader('Cache-Control: no-store, no-cache, must-revalidate');header('Cache-Control: post-check=0, pre-check=0', false);header('Pragma: no-cache');header('Expires: Mon, 20 Aug 1969 09:23:00 GMT');header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');header('Accept-Ranges: none');readfile("$CFG->dataroot/climaintenance.html");die;} else {if (!defined('CLI_MAINTENANCE')) {define('CLI_MAINTENANCE', true);}}} else {if (!defined('CLI_MAINTENANCE')) {define('CLI_MAINTENANCE', false);}}// Some core parts of Moodle may make use of language features not available in older PHP versions.s// When this happens as part of our core bootstrap, we can end up having confusing and spurious error// messages which are hard to diagnose.// This check allows us to insert a very basic check for the absolute minimum version of PHP for the// Moodle core to be able to load the environment and error pages.// It should only be updated in these circumstances, not with every PHP version.if (version_compare(PHP_VERSION, '8.1.0') < 0) {$phpversion = PHP_VERSION;// Do NOT localise - lang strings would not work here and we CAN NOT move it to later place.echo "Moodle 4.4 or later requires at least PHP 8.1 (currently using version $phpversion).\n";echo "Some servers may have multiple PHP versions installed, are you using the correct executable?\n";exit(1);}// Detect ajax scripts - they are similar to CLI because we can not redirect, output html, etc.if (!defined('AJAX_SCRIPT')) {define('AJAX_SCRIPT', false);}// Exact version of currently used yui2 and 3 library.$CFG->yui2version = '2.9.0';$CFG->yui3version = '3.18.1';// Patching the upstream YUI release.// If we need to patch a YUI modules between official YUI releases, the yuipatchlevel will need to be manually// incremented here. The module will also need to be listed in the yuipatchedmodules.// When upgrading to a subsequent version of YUI, these should be reset back to 0 and an empty array.$CFG->yuipatchlevel = 0;$CFG->yuipatchedmodules = array();if (!empty($CFG->disableonclickaddoninstall)) {// This config.php flag has been merged into another one.$CFG->disableupdateautodeploy = true;}// Store settings from config.php in array in $CFG - we can use it later to detect problems and overrides.if (!isset($CFG->config_php_settings)) {$CFG->config_php_settings = (array)$CFG;// Forced plugin settings override values from config_plugins table.unset($CFG->config_php_settings['forced_plugin_settings']);if (!isset($CFG->forced_plugin_settings)) {$CFG->forced_plugin_settings = array();}}if (isset($CFG->debug)) {$CFG->debug = (int)$CFG->debug;} else {$CFG->debug = 0;}$CFG->debugdeveloper = (($CFG->debug & (E_ALL | E_STRICT)) === (E_ALL | E_STRICT)); // DEBUG_DEVELOPER is not available yet.if (!defined('MOODLE_INTERNAL')) { // Necessary because cli installer has to define it earlier./** Used by library scripts to check they are being called by Moodle. */define('MOODLE_INTERNAL', true);}// core_component can be used in any scripts, it does not need anything else.require_once($CFG->libdir .'/classes/component.php');// special support for highly optimised scripts that do not need libraries and DB connectionif (defined('ABORT_AFTER_CONFIG')) {if (!defined('ABORT_AFTER_CONFIG_CANCEL')) {// hide debugging if not enabled in config.php - we do not want to disclose sensitive infoerror_reporting($CFG->debug);if (NO_DEBUG_DISPLAY) {// Some parts of Moodle cannot display errors and debug at all.ini_set('display_errors', '0');ini_set('log_errors', '1');} else if (empty($CFG->debugdisplay)) {ini_set('display_errors', '0');ini_set('log_errors', '1');} else {ini_set('display_errors', '1');}require_once("$CFG->dirroot/lib/configonlylib.php");return;}}// Early profiling start, based exclusively on config.php $CFG settingsif (!empty($CFG->earlyprofilingenabled)) {require_once($CFG->libdir . '/xhprof/xhprof_moodle.php');profiling_start();}/*** Database connection. Used for all access to the database.* @global moodle_database $DB* @name $DB*/global $DB;/*** Moodle's wrapper round PHP's $_SESSION.** @global object $SESSION* @name $SESSION*/global $SESSION;/*** Holds the user table record for the current user. Will be the 'guest'* user record for people who are not logged in.** $USER is stored in the session.** Items found in the user record:* - $USER->email - The user's email address.* - $USER->id - The unique integer identified of this user in the 'user' table.* - $USER->email - The user's email address.* - $USER->firstname - The user's first name.* - $USER->lastname - The user's last name.* - $USER->username - The user's login username.* - $USER->secret - The user's ?.* - $USER->lang - The user's language choice.** @global object $USER* @name $USER*/global $USER;/*** Frontpage course record*/global $SITE;/*** A central store of information about the current page we are* generating in response to the user's request.** @global moodle_page $PAGE* @name $PAGE*/global $PAGE;/*** The current course. An alias for $PAGE->course.* @global object $COURSE* @name $COURSE*/global $COURSE;/*** $OUTPUT is an instance of core_renderer or one of its subclasses. Use* it to generate HTML for output.** $OUTPUT is initialised the first time it is used. See {@link bootstrap_renderer}* for the magic that does that. After $OUTPUT has been initialised, any attempt* to change something that affects the current theme ($PAGE->course, logged in use,* httpsrequried ... will result in an exception.)** Please note the $OUTPUT is replacing the old global $THEME object.** @global object $OUTPUT* @name $OUTPUT*/global $OUTPUT;/*** Full script path including all params, slash arguments, scheme and host.** Note: Do NOT use for getting of current page URL or detection of https,* instead use $PAGE->url or is_https().** @global string $FULLME* @name $FULLME*/global $FULLME;/*** Script path including query string and slash arguments without host.* @global string $ME* @name $ME*/global $ME;/*** $FULLME without slasharguments and query string.* @global string $FULLSCRIPT* @name $FULLSCRIPT*/global $FULLSCRIPT;/*** Relative moodle script path '/course/view.php'* @global string $SCRIPT* @name $SCRIPT*/global $SCRIPT;// The httpswwwroot has been deprecated, we keep it as an alias for backwards compatibility with plugins only.$CFG->httpswwwroot = $CFG->wwwroot;require_once($CFG->libdir .'/setuplib.php'); // Functions that MUST be loaded firstif (NO_OUTPUT_BUFFERING) {// we have to call this always before starting session because it discards headers!disable_output_buffering();}// Increase memory limits if possibleraise_memory_limit(MEMORY_STANDARD);// Time to start countinginit_performance_info();// Put $OUTPUT in place, so errors can be displayed.$OUTPUT = new bootstrap_renderer();// Set handler for uncaught exceptions - equivalent to throw new \moodle_exception() call.if (!PHPUNIT_TEST or PHPUNIT_UTIL) {set_exception_handler('default_exception_handler');set_error_handler('default_error_handler', E_ALL | E_STRICT);}// Acceptance tests needs special output to capture the errors,// but not necessary for behat CLI command and init script.if (defined('BEHAT_SITE_RUNNING') && !defined('BEHAT_TEST') && !defined('BEHAT_UTIL')) {require_once(__DIR__ . '/behat/lib.php');set_error_handler('behat_error_handler', E_ALL | E_STRICT);}if (defined('WS_SERVER') && WS_SERVER) {require_once($CFG->dirroot . '/webservice/lib.php');set_exception_handler('early_ws_exception_handler');}// If there are any errors in the standard libraries we want to know!error_reporting(E_ALL | E_STRICT);// Just say no to link prefetching (Moz prefetching, Google Web Accelerator, others)// http://www.google.com/webmasters/faq.html#prefetchblockif (!empty($_SERVER['HTTP_X_moz']) && $_SERVER['HTTP_X_moz'] === 'prefetch'){header($_SERVER['SERVER_PROTOCOL'] . ' 404 Prefetch Forbidden');echo('Prefetch request forbidden.');exit(1);}//point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else//the problem is that we need specific version of quickforms and hacked excel files :-(ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));// Register our classloader, in theory somebody might want to replace it to load other hacked core classes.if (defined('COMPONENT_CLASSLOADER')) {spl_autoload_register(COMPONENT_CLASSLOADER);} else {spl_autoload_register('core_component::classloader');}// Remember the default PHP timezone, we will need it later.core_date::store_default_php_timezone();// Load up standard librariesrequire_once($CFG->libdir .'/filterlib.php'); // Functions for filtering test as it is outputrequire_once($CFG->libdir .'/ajax/ajaxlib.php'); // Functions for managing our use of JavaScript and YUIrequire_once($CFG->libdir .'/weblib.php'); // Functions relating to HTTP and contentrequire_once($CFG->libdir .'/outputlib.php'); // Functions for generating outputrequire_once($CFG->libdir .'/navigationlib.php'); // Class for generating Navigation structurerequire_once($CFG->libdir .'/dmllib.php'); // Database accessrequire_once($CFG->libdir .'/datalib.php'); // Legacy lib with a big-mix of functions.require_once($CFG->libdir .'/accesslib.php'); // Access control functionsrequire_once($CFG->libdir .'/deprecatedlib.php'); // Deprecated functions included for backward compatibilityrequire_once($CFG->libdir .'/moodlelib.php'); // Other general-purpose functionsrequire_once($CFG->libdir .'/enrollib.php'); // Enrolment related functionsrequire_once($CFG->libdir .'/pagelib.php'); // Library that defines the moodle_page class, used for $PAGErequire_once($CFG->libdir .'/blocklib.php'); // Library for controlling blocksrequire_once($CFG->libdir .'/grouplib.php'); // Groups functionsrequire_once($CFG->libdir .'/sessionlib.php'); // All session and cookie related stuffrequire_once($CFG->libdir .'/editorlib.php'); // All text editor related functions and classesrequire_once($CFG->libdir .'/messagelib.php'); // Messagelib functionsrequire_once($CFG->libdir .'/modinfolib.php'); // Cached information on course-module instancesrequire_once($CFG->dirroot.'/cache/lib.php'); // Cache API// make sure PHP is not severly misconfiguredsetup_validate_php_configuration();// Connect to the databasesetup_DB();if (PHPUNIT_TEST and !PHPUNIT_UTIL) {// Make sure tests do not run in parallel.$suffix = '';if (phpunit_util::is_in_isolated_process()) {$suffix = '.isolated';}test_lock::acquire('phpunit', $suffix);$dbhash = null;try {if ($dbhash = $DB->get_field('config', 'value', array('name'=>'phpunittest'))) {// reset DB tablesphpunit_util::reset_database();}} catch (Exception $e) {if ($dbhash) {// we ned to reinit if reset fails$DB->set_field('config', 'value', 'na', array('name'=>'phpunittest'));}}unset($dbhash);}// Load any immutable bootstrap config from local cache.$bootstraplocalfile = $CFG->localcachedir . '/bootstrap.php';$bootstrapsharedfile = $CFG->cachedir . '/bootstrap.php';if (!is_readable($bootstraplocalfile) && is_readable($bootstrapsharedfile)) {// If we don't have a local cache but do have a shared cache then clone it,// for example when scaling up new front ends.make_localcache_directory('', true);copy($bootstrapsharedfile, $bootstraplocalfile);}if (is_readable($bootstraplocalfile)) {try {require_once($bootstraplocalfile);// Verify the file is not stale.if (!isset($CFG->bootstraphash) || $CFG->bootstraphash !== hash_local_config_cache()) {// Something has changed, the bootstrap.php file is stale.unset($CFG->siteidentifier);@unlink($bootstraplocalfile);@unlink($bootstrapsharedfile);}} catch (Throwable $e) {// If it is corrupted then attempt to delete it and it will be rebuilt.@unlink($bootstraplocalfile);@unlink($bootstrapsharedfile);}}// Load up any configuration from the config table or MUC cache.if (PHPUNIT_TEST) {phpunit_util::initialise_cfg();} else {initialise_cfg();}if (isset($CFG->debug)) {$CFG->debug = (int)$CFG->debug;error_reporting($CFG->debug);} else {$CFG->debug = 0;}$CFG->debugdeveloper = (($CFG->debug & DEBUG_DEVELOPER) === DEBUG_DEVELOPER);// Set a default value for whether to show exceptions in a pretty format.if (!property_exists($CFG, 'debug_developer_use_pretty_exceptions')) {$CFG->debug_developer_use_pretty_exceptions = true;}// Find out if PHP configured to display warnings,// this is a security problem because some moodle scripts may// disclose sensitive information.if (ini_get_bool('display_errors')) {define('WARN_DISPLAY_ERRORS_ENABLED', true);}// If we want to display Moodle errors, then try and set PHP errors to match.if (!isset($CFG->debugdisplay)) {// Keep it "as is" during installation.} else if (NO_DEBUG_DISPLAY) {// Some parts of Moodle cannot display errors and debug at all.ini_set('display_errors', '0');ini_set('log_errors', '1');} else if (empty($CFG->debugdisplay)) {ini_set('display_errors', '0');ini_set('log_errors', '1');} else {// This is very problematic in XHTML strict mode!ini_set('display_errors', '1');}// Register our shutdown manager, do NOT use register_shutdown_function().core_shutdown_manager::initialize();// Verify upgrade is not running unless we are in a script that needs to execute in any caseif (!defined('NO_UPGRADE_CHECK') and isset($CFG->upgraderunning)) {if ($CFG->upgraderunning < time()) {unset_config('upgraderunning');} else {throw new \moodle_exception('upgraderunning');}}// enable circular reference collector in PHP 5.3,// it helps a lot when using large complex OOP structures such as in amos or gradebookif (function_exists('gc_enable')) {gc_enable();}// detect unsupported upgrade jump as soon as possible - do not change anything, do not use system functionsif (!empty($CFG->version) and $CFG->version < 2007101509) {throw new \moodle_exception('upgraderequires19', 'error');die;}// Calculate and set $CFG->ostype to be used everywhere. Possible values are:// - WINDOWS: for any Windows flavour.// - UNIX: for the rest// Also, $CFG->os can continue being used if more specialization is requiredif (stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin')) {$CFG->ostype = 'WINDOWS';} else {$CFG->ostype = 'UNIX';}$CFG->os = PHP_OS;// Configure ampersands in URLsini_set('arg_separator.output', '&');// Work around for a PHP bug see MDL-11237ini_set('pcre.backtrack_limit', 20971520); // 20 MB// Set PHP default timezone to server timezone.core_date::set_default_server_timezone();// Location of standard files$CFG->wordlist = $CFG->libdir .'/wordlist.txt';$CFG->moddata = 'moddata';// neutralise nasty chars in PHP_SELFif (isset($_SERVER['PHP_SELF'])) {$phppos = strpos($_SERVER['PHP_SELF'], '.php');if ($phppos !== false) {$_SERVER['PHP_SELF'] = substr($_SERVER['PHP_SELF'], 0, $phppos+4);}unset($phppos);}// initialise ME's - this must be done BEFORE starting of session!initialise_fullme();// SYSCONTEXTID is cached in local cache to eliminate 1 query per page.if (!defined('SYSCONTEXTID')) {context_system::instance();}// Defining the site - aka frontpage coursetry {$SITE = get_site();} catch (moodle_exception $e) {$SITE = null;if (empty($CFG->version)) {$SITE = new stdClass();$SITE->id = 1;$SITE->shortname = null;} else {throw $e;}}// And the 'default' course - this will usually get reset later in require_login() etc.$COURSE = clone($SITE);// Id of the frontpage course.define('SITEID', $SITE->id);// init session prevention flag - this is defined on pages that do not want sessionif (CLI_SCRIPT) {// no sessions in CLI scripts possibledefine('NO_MOODLE_COOKIES', true);} else if (WS_SERVER) {// No sessions possible in web services.define('NO_MOODLE_COOKIES', true);} else if (!defined('NO_MOODLE_COOKIES')) {if (empty($CFG->version) or $CFG->version < 2009011900) {// no session before sessions table gets createddefine('NO_MOODLE_COOKIES', true);} else if (CLI_SCRIPT) {// CLI scripts can not have sessiondefine('NO_MOODLE_COOKIES', true);} else {define('NO_MOODLE_COOKIES', false);}}// Start session and prepare global $SESSION, $USER.if (empty($CFG->sessiontimeout)) {$CFG->sessiontimeout = 8 * 60 * 60;}// Set sessiontimeoutwarning 20 minutes.if (empty($CFG->sessiontimeoutwarning)) {$CFG->sessiontimeoutwarning = 20 * 60;}// Allow plugins to callback just before the session is started.$pluginswithfunction = get_plugins_with_function('before_session_start', 'lib.php');foreach ($pluginswithfunction as $plugins) {foreach ($plugins as $function) {try {$function();} catch (Throwable $e) {debugging("Exception calling '$function'", DEBUG_DEVELOPER, $e->getTrace());}}}\core\session\manager::start();// Prevent ignoresesskey hack from getting carried over to a next page.unset($USER->ignoresesskey);if (!empty($CFG->proxylogunsafe) || !empty($CFG->proxyfixunsafe)) {if (!empty($CFG->proxyfixunsafe)) {require_once($CFG->libdir.'/filelib.php');$proxyurl = get_moodle_proxy_url();// This fixes stream handlers inside php.$defaults = stream_context_set_default(['http' => ['user_agent' => \core_useragent::get_moodlebot_useragent(),'proxy' => $proxyurl],]);// Attempt to tell other web clients to use the proxy too. This only// works for clients written in php in the same process, it will not// work for with requests done in another process from an exec call.putenv('http_proxy=' . $proxyurl);putenv('https_proxy=' . $proxyurl);putenv('HTTPS_PROXY=' . $proxyurl);} else {$defaults = stream_context_get_default();}if (!empty($CFG->proxylogunsafe)) {stream_context_set_params($defaults, ['notification' => 'proxy_log_callback']);}}// Set default content type and encoding, developers are still required to use// echo $OUTPUT->header() everywhere, anything that gets set later should override these headers.// This is intended to mitigate some security problems.if (AJAX_SCRIPT) {if (!core_useragent::supports_json_contenttype()) {// Some bloody old IE.@header('Content-type: text/plain; charset=utf-8');@header('X-Content-Type-Options: nosniff');} else if (!empty($_FILES)) {// Some ajax code may have problems with json and file uploads.@header('Content-type: text/plain; charset=utf-8');} else {@header('Content-type: application/json; charset=utf-8');}} else if (!CLI_SCRIPT) {@header('Content-type: text/html; charset=utf-8');}// Initialise some variables that are supposed to be set in config.php only.if (!isset($CFG->filelifetime)) {$CFG->filelifetime = 60*60*6;}// Late profiling, only happening if early one wasn't startedif (!empty($CFG->profilingenabled)) {require_once($CFG->libdir . '/xhprof/xhprof_moodle.php');profiling_start();}// Hack to get around max_input_vars restrictions,// we need to do this after session init to have some basic DDoS protection.workaround_max_input_vars();// Process theme change in the URL.if (!empty($CFG->allowthemechangeonurl) and !empty($_GET['theme'])) {// we have to use _GET directly because we do not want this to interfere with _POST$urlthemename = optional_param('theme', '', PARAM_PLUGIN);try {$themeconfig = theme_config::load($urlthemename);// Makes sure the theme can be loaded without errors.if ($themeconfig->name === $urlthemename) {$SESSION->theme = $urlthemename;} else {unset($SESSION->theme);}unset($themeconfig);unset($urlthemename);} catch (Exception $e) {debugging('Failed to set the theme from the URL.', DEBUG_DEVELOPER, $e->getTrace());}}unset($urlthemename);// Ensure a valid theme is set.if (!isset($CFG->theme)) {$CFG->theme = 'boost';}// Set language/locale of printed times. If user has chosen a language that// that is different from the site language, then use the locale specified// in the language file. Otherwise, if the admin hasn't specified a locale// then use the one from the default language. Otherwise (and this is the// majority of cases), use the stored locale specified by admin.// note: do not accept lang parameter from POSTif (isset($_GET['lang']) and ($lang = optional_param('lang', '', PARAM_SAFEDIR))) {if (get_string_manager()->translation_exists($lang, false)) {$SESSION->lang = $lang;\core_courseformat\base::session_cache_reset_all();}}unset($lang);// PARAM_SAFEDIR used instead of PARAM_LANG because using PARAM_LANG results// in an empty string being returned when a non-existant language is specified,// which would make it necessary to log out to undo the forcelang setting.// With PARAM_SAFEDIR, it's possible to specify ?forcelang=none to drop the forcelang effect.if ($forcelang = optional_param('forcelang', '', PARAM_SAFEDIR)) {if (isloggedin()&& get_string_manager()->translation_exists($forcelang, false)&& has_capability('moodle/site:forcelanguage', context_system::instance())) {$SESSION->forcelang = $forcelang;} else if (isset($SESSION->forcelang)) {unset($SESSION->forcelang);}}unset($forcelang);setup_lang_from_browser();if (empty($CFG->lang)) {if (empty($SESSION->lang)) {$CFG->lang = 'en';} else {$CFG->lang = $SESSION->lang;}}// Set the default site locale, a lot of the stuff may depend on this// it is definitely too late to call this first in require_login()!moodle_setlocale();// Create the $PAGE global - this marks the PAGE and OUTPUT fully initialised, this MUST be done at the end of setup!if (!empty($CFG->moodlepageclass)) {if (!empty($CFG->moodlepageclassfile)) {require_once($CFG->moodlepageclassfile);}$classname = $CFG->moodlepageclass;} else {$classname = 'moodle_page';}$PAGE = new $classname();unset($classname);if (!empty($CFG->debugvalidators) and !empty($CFG->guestloginbutton)) {if ($CFG->theme == 'standard') { // Temporary measure to help with XHTML validationif (isset($_SERVER['HTTP_USER_AGENT']) and empty($USER->id)) { // Allow W3CValidator in as user called w3cvalidator (or guest)if ((strpos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') !== false) or(strpos($_SERVER['HTTP_USER_AGENT'], 'Cynthia') !== false )) {if ($user = get_complete_user_data("username", "w3cvalidator")) {$user->ignoresesskey = true;} else {$user = guest_user();}\core\session\manager::set_user($user);}}}}// Apache log integration. In apache conf file one can use ${MOODULEUSER}n in// LogFormat to get the current logged in username in moodle.// Alternatvely for other web servers a header X-MOODLEUSER can be set which// can be using in the logfile and stripped out if needed.set_access_log_user();if (CLI_SCRIPT && !empty($CFG->version)) {// Allow auth plugins to optionally authenticate users on the CLI.require_once($CFG->libdir. '/authlib.php');auth_plugin_base::login_cli_admin_user();}// Ensure the urlrewriteclass is setup correctly (to avoid crippling site).if (isset($CFG->urlrewriteclass)) {if (!class_exists($CFG->urlrewriteclass)) {debugging("urlrewriteclass {$CFG->urlrewriteclass} was not found, disabling.");unset($CFG->urlrewriteclass);} else if (!in_array('core\output\url_rewriter', class_implements($CFG->urlrewriteclass))) {debugging("{$CFG->urlrewriteclass} does not implement core\output\url_rewriter, disabling.", DEBUG_DEVELOPER);unset($CFG->urlrewriteclass);}}// Use a custom script replacement if one existsif (!empty($CFG->customscripts)) {if (($customscript = custom_script_path()) !== false) {require ($customscript);}}if (PHPUNIT_TEST) {// no ip blocking, these are CLI only} else if (CLI_SCRIPT and !defined('WEB_CRON_EMULATED_CLI')) {// no ip blocking} else if (!empty($CFG->allowbeforeblock)) { // allowed list processed before blocked list?// in this case, ip in allowed list will be performed first// for example, client IP is 192.168.1.1// 192.168 subnet is an entry in allowed list// 192.168.1.1 is banned in blocked list// This ip will be banned finallyif (!empty($CFG->allowedip)) {if (!remoteip_in_list($CFG->allowedip)) {die(get_string('ipblocked', 'admin'));}}// need further check, client ip may a part of// allowed subnet, but a IP address are listed// in blocked list.if (!empty($CFG->blockedip)) {if (remoteip_in_list($CFG->blockedip)) {die(get_string('ipblocked', 'admin'));}}} else {// in this case, IPs in blocked list will be performed first// for example, client IP is 192.168.1.1// 192.168 subnet is an entry in blocked list// 192.168.1.1 is allowed in allowed list// This ip will be allowed finallyif (!empty($CFG->blockedip)) {if (remoteip_in_list($CFG->blockedip)) {// if the allowed ip list is not empty// IPs are not included in the allowed list will be// blocked tooif (!empty($CFG->allowedip)) {if (!remoteip_in_list($CFG->allowedip)) {die(get_string('ipblocked', 'admin'));}} else {die(get_string('ipblocked', 'admin'));}}}// if blocked list is null// allowed list should be testedif(!empty($CFG->allowedip)) {if (!remoteip_in_list($CFG->allowedip)) {die(get_string('ipblocked', 'admin'));}}}// // try to detect IE6 and prevent gzip because it is extremely buggy browserif (!empty($_SERVER['HTTP_USER_AGENT']) and strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 6') !== false) {ini_set('zlib.output_compression', 'Off');if (function_exists('apache_setenv')) {apache_setenv('no-gzip', 1);}}// Switch to CLI maintenance mode if required, we need to do it here after all the settings are initialised.if (isset($CFG->maintenance_later) and $CFG->maintenance_later <= time()) {if (!file_exists("$CFG->dataroot/climaintenance.html")) {require_once("$CFG->libdir/adminlib.php");enable_cli_maintenance_mode();}unset_config('maintenance_later');if (AJAX_SCRIPT) {die;} else if (!CLI_SCRIPT) {redirect(new moodle_url('/'));}}// Add behat_shutdown_function to shutdown manager, so we can capture php errors,// but not necessary for behat CLI command as it's being captured by behat process.if (defined('BEHAT_SITE_RUNNING') && !defined('BEHAT_TEST')) {core_shutdown_manager::register_function('behat_shutdown_function');}// note: we can not block non utf-8 installations here, because empty mysql database// might be converted to utf-8 in admin/index.php during installation// this is a funny trick to make Eclipse believe that $OUTPUT and other globals// contains an instance of core_renderer, etc. which in turn fixes autocompletion ;-)if (false) {$DB = new moodle_database();$OUTPUT = new core_renderer(null, null);$PAGE = new moodle_page();}// Cache any immutable config locally to avoid constant DB lookups.initialise_local_config_cache();// Allow plugins to callback as soon possible after setup.php is loaded.$pluginswithfunction = get_plugins_with_function('after_config', 'lib.php');foreach ($pluginswithfunction as $plugins) {foreach ($plugins as $function) {try {$function();} catch (Throwable $e) {debugging("Exception calling '$function'", DEBUG_DEVELOPER, $e->getTrace());}}}