mirror of
https://github.com/moodle/moodle.git
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821 lines
28 KiB
PHP
821 lines
28 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* setup.php - Sets up sessions, connects to databases and so on
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*
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* Normally this is only called by the main config.php file
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* Normally this file does not need to be edited.
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*
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* @package core
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* @subpackage lib
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* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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/**
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* Holds the core settings that affect how Moodle works. Some of its fields
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* are set in config.php, and the rest are loaded from the config table.
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*
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* Some typical settings in the $CFG global:
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* - $CFG->wwwroot - Path to moodle index directory in url format.
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* - $CFG->dataroot - Path to moodle data files directory on server's filesystem.
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* - $CFG->dirroot - Path to moodle's library folder on server's filesystem.
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* - $CFG->libdir - Path to moodle's library folder on server's filesystem.
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*
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* @global object $CFG
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* @name $CFG
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*/
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global $CFG; // this should be done much earlier in config.php before creating new $CFG instance
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if (!isset($CFG)) {
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if (defined('PHPUNIT_SCRIPT') and PHPUNIT_SCRIPT) {
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echo('There is a missing "global $CFG;" at the beginning of the config.php file.'."\n");
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exit(1);
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} else {
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// this should never happen, maybe somebody is accessing this file directly...
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exit(1);
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}
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}
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// We can detect real dirroot path reliably since PHP 4.0.2,
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// it can not be anything else, there is no point in having this in config.php
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$CFG->dirroot = dirname(dirname(__FILE__));
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// Normalise dataroot - we do not want any symbolic links, trailing / or any other weirdness there
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if (!isset($CFG->dataroot)) {
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if (isset($_SERVER['REMOTE_ADDR'])) {
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header($_SERVER['SERVER_PROTOCOL'] . ' 503 Service Unavailable');
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}
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echo('Fatal error: $CFG->dataroot is not specified in config.php! Exiting.'."\n");
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exit(1);
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}
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$CFG->dataroot = realpath($CFG->dataroot);
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if ($CFG->dataroot === false) {
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if (isset($_SERVER['REMOTE_ADDR'])) {
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header($_SERVER['SERVER_PROTOCOL'] . ' 503 Service Unavailable');
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}
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echo('Fatal error: $CFG->dataroot is not configured properly, directory does not exist or is not accessible! Exiting.'."\n");
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exit(1);
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} else if (!is_writable($CFG->dataroot)) {
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if (isset($_SERVER['REMOTE_ADDR'])) {
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header($_SERVER['SERVER_PROTOCOL'] . ' 503 Service Unavailable');
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}
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echo('Fatal error: $CFG->dataroot is not writable, admin has to fix directory permissions! Exiting.'."\n");
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exit(1);
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}
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// wwwroot is mandatory
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if (!isset($CFG->wwwroot) or $CFG->wwwroot === 'http://example.com/moodle') {
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if (isset($_SERVER['REMOTE_ADDR'])) {
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header($_SERVER['SERVER_PROTOCOL'] . ' 503 Service Unavailable');
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}
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echo('Fatal error: $CFG->wwwroot is not configured! Exiting.'."\n");
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exit(1);
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}
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// Define admin directory
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if (!isset($CFG->admin)) { // Just in case it isn't defined in config.php
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$CFG->admin = 'admin'; // This is relative to the wwwroot and dirroot
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}
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// Set up some paths.
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$CFG->libdir = $CFG->dirroot .'/lib';
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// The current directory in PHP version 4.3.0 and above isn't necessarily the
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// directory of the script when run from the command line. The require_once()
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// would fail, so we'll have to chdir()
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if (!isset($_SERVER['REMOTE_ADDR']) && isset($_SERVER['argv'][0])) {
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chdir(dirname($_SERVER['argv'][0]));
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}
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// sometimes default PHP settings are borked on shared hosting servers, I wonder why they have to do that??
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@ini_set('precision', 14); // needed for upgrades and gradebook
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// Scripts may request no debug and error messages in output
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// please note it must be defined before including the config.php script
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// and in some cases you also need to set custom default exception handler
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if (!defined('NO_DEBUG_DISPLAY')) {
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define('NO_DEBUG_DISPLAY', false);
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}
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// Servers should define a default timezone in php.ini, but if they don't then make sure something is defined.
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// This is a quick hack. Ideally we should ask the admin for a value. See MDL-22625 for more on this.
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if (function_exists('date_default_timezone_set') and function_exists('date_default_timezone_get')) {
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@date_default_timezone_set(@date_default_timezone_get());
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}
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// PHPUnit scripts are a special case, for now we treat them as normal CLI scripts,
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// please note you must install PHPUnit library separately via PEAR
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if (!defined('PHPUNIT_SCRIPT')) {
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define('PHPUNIT_SCRIPT', false);
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}
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if (PHPUNIT_SCRIPT) {
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define('CLI_SCRIPT', true);
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}
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// Detect CLI scripts - CLI scripts are executed from command line, do not have session and we do not want HTML in output
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// In your new CLI scripts just add "define('CLI_SCRIPT', true);" before requiring config.php.
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// Please note that one script can not be accessed from both CLI and web interface.
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if (!defined('CLI_SCRIPT')) {
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define('CLI_SCRIPT', false);
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}
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if (defined('WEB_CRON_EMULATED_CLI')) {
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if (!isset($_SERVER['REMOTE_ADDR'])) {
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echo('Web cron can not be executed as CLI script any more, please use admin/cli/cron.php instead'."\n");
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exit(1);
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}
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} else if (isset($_SERVER['REMOTE_ADDR'])) {
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if (CLI_SCRIPT) {
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echo('Command line scripts can not be executed from the web interface');
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exit(1);
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}
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} else {
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if (!CLI_SCRIPT) {
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echo('Command line scripts must define CLI_SCRIPT before requiring config.php'."\n");
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exit(1);
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}
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}
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// Detect ajax scripts - they are similar to CLI because we can not redirect, output html, etc.
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if (!defined('AJAX_SCRIPT')) {
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define('AJAX_SCRIPT', false);
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}
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// File permissions on created directories in the $CFG->dataroot
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if (empty($CFG->directorypermissions)) {
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$CFG->directorypermissions = 02777; // Must be octal (that's why it's here)
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}
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if (empty($CFG->filepermissions)) {
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$CFG->filepermissions = ($CFG->directorypermissions & 0666); // strip execute flags
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}
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// better also set default umask because recursive mkdir() does not apply permissions recursively otherwise
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umask(0000);
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// exact version of currently used yui2 and 3 library
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$CFG->yui2version = '2.8.1';
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$CFG->yui3version = '3.2.0';
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// special support for highly optimised scripts that do not need libraries and DB connection
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if (defined('ABORT_AFTER_CONFIG')) {
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if (!defined('ABORT_AFTER_CONFIG_CANCEL')) {
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// hide debugging if not enabled in config.php - we do not want to disclose sensitive info
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if (isset($CFG->debug)) {
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error_reporting($CFG->debug);
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} else {
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error_reporting(0);
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}
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if (empty($CFG->debugdisplay)) {
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@ini_set('display_errors', '0');
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@ini_set('log_errors', '1');
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} else {
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@ini_set('display_errors', '1');
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}
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require_once("$CFG->dirroot/lib/configonlylib.php");
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return;
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}
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}
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/** Used by library scripts to check they are being called by Moodle */
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if (!defined('MOODLE_INTERNAL')) { // necessary because cli installer has to define it earlier
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define('MOODLE_INTERNAL', true);
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}
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/**
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* Database connection. Used for all access to the database.
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* @global moodle_database $DB
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* @name $DB
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*/
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global $DB;
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/**
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* Moodle's wrapper round PHP's $_SESSION.
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*
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* @global object $SESSION
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* @name $SESSION
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*/
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global $SESSION;
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/**
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* Holds the user table record for the current user. Will be the 'guest'
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* user record for people who are not logged in.
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*
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* $USER is stored in the session.
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*
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* Items found in the user record:
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* - $USER->emailstop - Does the user want email sent to them?
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* - $USER->email - The user's email address.
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* - $USER->id - The unique integer identified of this user in the 'user' table.
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* - $USER->email - The user's email address.
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* - $USER->firstname - The user's first name.
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* - $USER->lastname - The user's last name.
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* - $USER->username - The user's login username.
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* - $USER->secret - The user's ?.
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* - $USER->lang - The user's language choice.
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*
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* @global object $USER
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* @name $USER
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*/
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global $USER;
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/**
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* A central store of information about the current page we are
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* generating in response to the user's request.
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*
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* @global moodle_page $PAGE
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* @name $PAGE
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*/
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global $PAGE;
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/**
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* The current course. An alias for $PAGE->course.
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* @global object $COURSE
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* @name $COURSE
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*/
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global $COURSE;
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/**
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* $OUTPUT is an instance of core_renderer or one of its subclasses. Use
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* it to generate HTML for output.
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*
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* $OUTPUT is initialised the first time it is used. See {@link bootstrap_renderer}
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* for the magic that does that. After $OUTPUT has been initialised, any attempt
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* to change something that affects the current theme ($PAGE->course, logged in use,
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* httpsrequried ... will result in an exception.)
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*
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* Please note the $OUTPUT is replacing the old global $THEME object.
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*
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* @global object $OUTPUT
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* @name $OUTPUT
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*/
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global $OUTPUT;
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/**
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* Shared memory cache.
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* @global object $MCACHE
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* @name $MCACHE
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*/
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global $MCACHE;
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/**
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* A global to define if the page being displayed must run under HTTPS.
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*
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* Its primary goal is to allow 100% HTTPS pages when $CFG->loginhttps is enabled. Default to false.
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* Its enabled only by the $PAGE->https_required() function and used in some pages to update some URLs
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*
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* @global bool $HTTPSPAGEREQUIRED
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* @name $HTTPSPAGEREQUIRED
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*/
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global $HTTPSPAGEREQUIRED;
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/**
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* Full script path including all params, slash arguments, scheme and host.
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* @global string $FULLME
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* @name $FULLME
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*/
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global $FULLME;
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/**
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* Script path including query string and slash arguments without host.
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* @global string $ME
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* @name $ME
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*/
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global $ME;
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/**
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* $FULLME without slasharguments and query string.
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* @global string $FULLSCRIPT
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* @name $FULLSCRIPT
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*/
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global $FULLSCRIPT;
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/**
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* Relative moodle script path '/course/view.php'
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* @global string $SCRIPT
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* @name $SCRIPT
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*/
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global $SCRIPT;
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// Store settings from config.php in array in $CFG - we can use it later to detect problems and overrides
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$CFG->config_php_settings = (array)$CFG;
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// Forced plugin settings override values from config_plugins table
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unset($CFG->config_php_settings['forced_plugin_settings']);
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if (!isset($CFG->forced_plugin_settings)) {
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$CFG->forced_plugin_settings = array();
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}
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// Set httpswwwroot default value (this variable will replace $CFG->wwwroot
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// inside some URLs used in HTTPSPAGEREQUIRED pages.
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$CFG->httpswwwroot = $CFG->wwwroot;
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require_once($CFG->libdir .'/setuplib.php'); // Functions that MUST be loaded first
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// Time to start counting
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init_performance_info();
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// Put $OUTPUT in place, so errors can be displayed.
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$OUTPUT = new bootstrap_renderer();
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// set handler for uncaught exceptions - equivalent to print_error() call
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set_exception_handler('default_exception_handler');
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set_error_handler('default_error_handler', E_ALL | E_STRICT);
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// If there are any errors in the standard libraries we want to know!
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error_reporting(E_ALL);
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// Just say no to link prefetching (Moz prefetching, Google Web Accelerator, others)
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// http://www.google.com/webmasters/faq.html#prefetchblock
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if (!empty($_SERVER['HTTP_X_moz']) && $_SERVER['HTTP_X_moz'] === 'prefetch'){
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header($_SERVER['SERVER_PROTOCOL'] . ' 404 Prefetch Forbidden');
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echo('Prefetch request forbidden.');
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exit(1);
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}
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if (!isset($CFG->prefix)) { // Just in case it isn't defined in config.php
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$CFG->prefix = '';
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}
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// location of all languages except core English pack
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if (!isset($CFG->langotherroot)) {
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$CFG->langotherroot = $CFG->dataroot.'/lang';
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}
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// location of local lang pack customisations (dirs with _local suffix)
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if (!isset($CFG->langlocalroot)) {
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$CFG->langlocalroot = $CFG->dataroot.'/lang';
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}
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//point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else
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//the problem is that we need specific version of quickforms and hacked excel files :-(
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ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));
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//point zend include path to moodles lib/zend so that includes and requires will search there for files before anywhere else
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//please note zend library is supposed to be used only from web service protocol classes, it may be removed in future
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ini_set('include_path', $CFG->libdir.'/zend' . PATH_SEPARATOR . ini_get('include_path'));
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// Load up standard libraries
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require_once($CFG->libdir .'/textlib.class.php'); // Functions to handle multibyte strings
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require_once($CFG->libdir .'/filterlib.php'); // Functions for filtering test as it is output
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require_once($CFG->libdir .'/ajax/ajaxlib.php'); // Functions for managing our use of JavaScript and YUI
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require_once($CFG->libdir .'/weblib.php'); // Functions relating to HTTP and content
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require_once($CFG->libdir .'/outputlib.php'); // Functions for generating output
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require_once($CFG->libdir .'/navigationlib.php'); // Class for generating Navigation structure
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require_once($CFG->libdir .'/dmllib.php'); // Database access
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require_once($CFG->libdir .'/datalib.php'); // Legacy lib with a big-mix of functions.
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require_once($CFG->libdir .'/accesslib.php'); // Access control functions
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require_once($CFG->libdir .'/deprecatedlib.php'); // Deprecated functions included for backward compatibility
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require_once($CFG->libdir .'/moodlelib.php'); // Other general-purpose functions
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require_once($CFG->libdir .'/enrollib.php'); // Enrolment related functions
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require_once($CFG->libdir .'/pagelib.php'); // Library that defines the moodle_page class, used for $PAGE
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require_once($CFG->libdir .'/blocklib.php'); // Library for controlling blocks
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require_once($CFG->libdir .'/eventslib.php'); // Events functions
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require_once($CFG->libdir .'/grouplib.php'); // Groups functions
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require_once($CFG->libdir .'/sessionlib.php'); // All session and cookie related stuff
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require_once($CFG->libdir .'/editorlib.php'); // All text editor related functions and classes
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require_once($CFG->libdir .'/messagelib.php'); // Messagelib functions
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// make sure PHP is not severly misconfigured
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setup_validate_php_configuration();
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// Increase memory limits if possible
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raise_memory_limit('96M'); // We should never NEED this much but just in case...
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// Connect to the database
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setup_DB();
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// Disable errors for now - needed for installation when debug enabled in config.php
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if (isset($CFG->debug)) {
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$originalconfigdebug = $CFG->debug;
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unset($CFG->debug);
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} else {
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$originalconfigdebug = -1;
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}
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// Load up any configuration from the config table
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initialise_cfg();
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// Verify upgrade is not running unless we are in a script that needs to execute in any case
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if (!defined('NO_UPGRADE_CHECK') and isset($CFG->upgraderunning)) {
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if ($CFG->upgraderunning < time()) {
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unset_config('upgraderunning');
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} else {
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print_error('upgraderunning');
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}
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}
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// Turn on SQL logging if required
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if (!empty($CFG->logsql)) {
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$DB->set_logging(true);
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}
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// Prevent warnings from roles when upgrading with debug on
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if (isset($CFG->debug)) {
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$originaldatabasedebug = $CFG->debug;
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unset($CFG->debug);
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} else {
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$originaldatabasedebug = -1;
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}
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// enable circular reference collector in PHP 5.3,
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// it helps a lot when using large complex OOP structures such as in amos or gradebook
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if (function_exists('gc_enable')) {
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gc_enable();
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}
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// For now, only needed under apache (and probably unstable in other contexts)
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if (function_exists('register_shutdown_function')) {
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register_shutdown_function('moodle_request_shutdown');
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}
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// Defining the site
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try {
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$SITE = get_site();
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/**
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* If $SITE global from {@link get_site()} is set then SITEID to $SITE->id, otherwise set to 1.
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*/
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define('SITEID', $SITE->id);
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// And the 'default' course - this will usually get reset later in require_login() etc.
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$COURSE = clone($SITE);
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} catch (dml_read_exception $e) {
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$SITE = null;
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if (empty($CFG->version)) {
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// we are just installing
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/**
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* @ignore
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*/
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define('SITEID', 1);
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// And the 'default' course
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$COURSE = new object(); // no site created yet
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$COURSE->id = 1;
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} else {
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throw $e;
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}
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}
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// define SYSCONTEXTID in config.php if you want to save some queries (after install or upgrade!)
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if (!defined('SYSCONTEXTID')) {
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get_system_context();
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}
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// Set error reporting back to normal
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if ($originaldatabasedebug == -1) {
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$CFG->debug = DEBUG_MINIMAL;
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} else {
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$CFG->debug = $originaldatabasedebug;
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}
|
|
if ($originalconfigdebug !== -1) {
|
|
$CFG->debug = $originalconfigdebug;
|
|
}
|
|
unset($originalconfigdebug);
|
|
unset($originaldatabasedebug);
|
|
error_reporting($CFG->debug);
|
|
|
|
// 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');
|
|
}
|
|
|
|
// detect unsupported upgrade jump as soon as possible - do not change anything, do not use system functions
|
|
if (!empty($CFG->version) and $CFG->version < 2007101509) {
|
|
print_error('upgraderequires19', 'error');
|
|
die;
|
|
}
|
|
|
|
// Shared-Memory cache init -- will set $MCACHE
|
|
// $MCACHE is a global object that offers at least add(), set() and delete()
|
|
// with similar semantics to the memcached PHP API http://php.net/memcache
|
|
// Ensure we define rcache - so we can later check for it
|
|
// with a really fast and unambiguous $CFG->rcache === false
|
|
if (!empty($CFG->cachetype)) {
|
|
if (empty($CFG->rcache)) {
|
|
$CFG->rcache = false;
|
|
} else {
|
|
$CFG->rcache = true;
|
|
}
|
|
|
|
// do not try to initialize if cache disabled
|
|
if (!$CFG->rcache) {
|
|
$CFG->cachetype = '';
|
|
}
|
|
|
|
if ($CFG->cachetype === 'memcached' && !empty($CFG->memcachedhosts)) {
|
|
if (!init_memcached()) {
|
|
debugging("Error initialising memcached");
|
|
$CFG->cachetype = '';
|
|
$CFG->rcache = false;
|
|
}
|
|
} else if ($CFG->cachetype === 'eaccelerator') {
|
|
if (!init_eaccelerator()) {
|
|
debugging("Error initialising eaccelerator cache");
|
|
$CFG->cachetype = '';
|
|
$CFG->rcache = false;
|
|
}
|
|
}
|
|
|
|
} else { // just make sure it is defined
|
|
$CFG->cachetype = '';
|
|
$CFG->rcache = false;
|
|
}
|
|
|
|
// 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 required
|
|
if (stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin')) {
|
|
$CFG->ostype = 'WINDOWS';
|
|
} else {
|
|
$CFG->ostype = 'UNIX';
|
|
}
|
|
$CFG->os = PHP_OS;
|
|
|
|
// Configure ampersands in URLs
|
|
@ini_set('arg_separator.output', '&');
|
|
|
|
// Work around for a PHP bug see MDL-11237
|
|
@ini_set('pcre.backtrack_limit', 20971520); // 20 MB
|
|
|
|
// Location of standard files
|
|
$CFG->wordlist = $CFG->libdir .'/wordlist.txt';
|
|
$CFG->moddata = 'moddata';
|
|
|
|
// Create the $PAGE global.
|
|
if (!empty($CFG->moodlepageclass)) {
|
|
$classname = $CFG->moodlepageclass;
|
|
} else {
|
|
$classname = 'moodle_page';
|
|
}
|
|
$PAGE = new $classname();
|
|
unset($classname);
|
|
|
|
// A hack to get around magic_quotes_gpc being turned on
|
|
// It is strongly recommended to disable "magic_quotes_gpc"!
|
|
if (ini_get_bool('magic_quotes_gpc')) {
|
|
function stripslashes_deep($value) {
|
|
$value = is_array($value) ?
|
|
array_map('stripslashes_deep', $value) :
|
|
stripslashes($value);
|
|
return $value;
|
|
}
|
|
$_POST = array_map('stripslashes_deep', $_POST);
|
|
$_GET = array_map('stripslashes_deep', $_GET);
|
|
$_COOKIE = array_map('stripslashes_deep', $_COOKIE);
|
|
$_REQUEST = array_map('stripslashes_deep', $_REQUEST);
|
|
if (!empty($_SERVER['REQUEST_URI'])) {
|
|
$_SERVER['REQUEST_URI'] = stripslashes($_SERVER['REQUEST_URI']);
|
|
}
|
|
if (!empty($_SERVER['QUERY_STRING'])) {
|
|
$_SERVER['QUERY_STRING'] = stripslashes($_SERVER['QUERY_STRING']);
|
|
}
|
|
if (!empty($_SERVER['HTTP_REFERER'])) {
|
|
$_SERVER['HTTP_REFERER'] = stripslashes($_SERVER['HTTP_REFERER']);
|
|
}
|
|
if (!empty($_SERVER['PATH_INFO'])) {
|
|
$_SERVER['PATH_INFO'] = stripslashes($_SERVER['PATH_INFO']);
|
|
}
|
|
if (!empty($_SERVER['PHP_SELF'])) {
|
|
$_SERVER['PHP_SELF'] = stripslashes($_SERVER['PHP_SELF']);
|
|
}
|
|
if (!empty($_SERVER['PATH_TRANSLATED'])) {
|
|
$_SERVER['PATH_TRANSLATED'] = stripslashes($_SERVER['PATH_TRANSLATED']);
|
|
}
|
|
}
|
|
|
|
// neutralise nasty chars in PHP_SELF
|
|
if (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
|
|
initialise_fullme();
|
|
|
|
|
|
// init session prevention flag - this is defined on pages that do not want session
|
|
if (CLI_SCRIPT) {
|
|
// no sessions in CLI scripts possible
|
|
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 created
|
|
define('NO_MOODLE_COOKIES', true);
|
|
} else if (CLI_SCRIPT) {
|
|
// CLI scripts can not have session
|
|
define('NO_MOODLE_COOKIES', true);
|
|
} else {
|
|
define('NO_MOODLE_COOKIES', false);
|
|
}
|
|
}
|
|
|
|
// start session and prepare global $SESSION, $USER
|
|
session_get_instance();
|
|
$SESSION = &$_SESSION['SESSION'];
|
|
$USER = &$_SESSION['USER'];
|
|
|
|
// 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_SAFEDIR);
|
|
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)) {
|
|
$CFG->theme = 'standardwhite';
|
|
}
|
|
|
|
// Set language/locale of printed times. If user has chosen a language that
|
|
// that is different from the site language, then use the locale specified
|
|
// in the language file. Otherwise, if the admin hasn't specified a locale
|
|
// then use the one from the default language. Otherwise (and this is the
|
|
// majority of cases), use the stored locale specified by admin.
|
|
// note: do not accept lang parameter from POST
|
|
if (isset($_GET['lang']) and ($lang = optional_param('lang', '', PARAM_SAFEDIR))) {
|
|
if (get_string_manager()->translation_exists($lang, false)) {
|
|
$SESSION->lang = $lang;
|
|
}
|
|
}
|
|
unset($lang);
|
|
|
|
setup_lang_from_browser();
|
|
|
|
if (empty($CFG->lang)) {
|
|
if (empty($SESSION->lang)) {
|
|
$CFG->lang = 'en';
|
|
} else {
|
|
$CFG->lang = $SESSION->lang;
|
|
}
|
|
}
|
|
|
|
// Set the default site locale, a lot of the stuff may depend on this
|
|
// it is definitely too late to call this first in require_login()!
|
|
moodle_setlocale();
|
|
|
|
if (!empty($CFG->debugvalidators) and !empty($CFG->guestloginbutton)) {
|
|
if ($CFG->theme == 'standard' or $CFG->theme == 'standardwhite') { // Temporary measure to help with XHTML validation
|
|
if (isset($_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 {
|
|
$user = guest_user();
|
|
}
|
|
session_set_user($user);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Apache log integration. In apache conf file one can use ${MOODULEUSER}n in
|
|
// LogFormat to get the current logged in username in moodle.
|
|
if ($USER && function_exists('apache_note')
|
|
&& !empty($CFG->apacheloguser) && isset($USER->username)) {
|
|
$apachelog_userid = $USER->id;
|
|
$apachelog_username = clean_filename($USER->username);
|
|
$apachelog_name = '';
|
|
if (isset($USER->firstname)) {
|
|
// We can assume both will be set
|
|
// - even if to empty.
|
|
$apachelog_name = clean_filename($USER->firstname . " " .
|
|
$USER->lastname);
|
|
}
|
|
if (session_is_loggedinas()) {
|
|
$realuser = session_get_realuser();
|
|
$apachelog_username = clean_filename($realuser->username." as ".$apachelog_username);
|
|
$apachelog_name = clean_filename($realuser->firstname." ".$realuser->lastname ." as ".$apachelog_name);
|
|
$apachelog_userid = clean_filename($realuser->id." as ".$apachelog_userid);
|
|
}
|
|
switch ($CFG->apacheloguser) {
|
|
case 3:
|
|
$logname = $apachelog_username;
|
|
break;
|
|
case 2:
|
|
$logname = $apachelog_name;
|
|
break;
|
|
case 1:
|
|
default:
|
|
$logname = $apachelog_userid;
|
|
break;
|
|
}
|
|
apache_note('MOODLEUSER', $logname);
|
|
}
|
|
|
|
// Adjust ALLOWED_TAGS
|
|
adjust_allowed_tags();
|
|
|
|
// Use a custom script replacement if one exists
|
|
if (!empty($CFG->customscripts)) {
|
|
if (($customscript = custom_script_path()) !== false) {
|
|
require ($customscript);
|
|
}
|
|
}
|
|
|
|
// in the first 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 finally
|
|
if (!empty($CFG->allowbeforeblock)) { // allowed list processed before blocked list?
|
|
if (!empty($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($CFG->blockedip)) {
|
|
die(get_string('ipblocked', 'admin'));
|
|
}
|
|
}
|
|
|
|
} else {
|
|
// in this case, IPs in blocked list will be performed first
|
|
// for example, client IP is 192.168.1.1
|
|
// 192.168 subnet is an entry in blocked list
|
|
// 192.168.1.1 is allowed in allowed list
|
|
// This ip will be allowed finally
|
|
if (!empty($CFG->blockedip)) {
|
|
if (remoteip_in_list($CFG->blockedip)) {
|
|
// if the allowed ip list is not empty
|
|
// IPs are not included in the allowed list will be
|
|
// blocked too
|
|
if (!empty($CFG->allowedip)) {
|
|
if (!remoteip_in_list($CFG->allowedip)) {
|
|
die(get_string('ipblocked', 'admin'));
|
|
}
|
|
} else {
|
|
die(get_string('ipblocked', 'admin'));
|
|
}
|
|
}
|
|
}
|
|
// if blocked list is null
|
|
// allowed list should be tested
|
|
if(!empty($CFG->allowedip)) {
|
|
if (!remoteip_in_list($CFG->allowedip)) {
|
|
die(get_string('ipblocked', 'admin'));
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// 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();
|
|
}
|