emailstop - Does the user want email sent to them? * - $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) $USER */ global $USER; /** * This global variable is read in 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 index directory on server's filesystem. * - $CFG->libdir - Path to moodle's library folder on server's filesystem. * * @global object(cfg) $CFG */ global $CFG; /** * Definition of session type * @global object(session) $SESSION */ global $SESSION; /** * Definition of shared memory cache */ global $MCACHE; /** * Definition of course type * @global object(course) $COURSE */ global $COURSE; /** * Definition of db type * @global object(db) $db */ global $db; /** * $THEME is a global that defines the site theme. * * Items found in the theme record: * - $THEME->cellheading - Cell colors. * - $THEME->cellheading2 - Alternate cell colors. * * @global object(theme) $THEME */ global $THEME; /** * HTTPSPAGEREQUIRED is a global to define if the page being displayed must run under HTTPS. * * It's primary goal is to allow 100% HTTPS pages when $CFG->loginhttps is enabled. Default to false. * It's enabled only by the httpsrequired() function and used in some pages to update some URLs */ global $HTTPSPAGEREQUIRED; /// First try to detect some attacks on older buggy PHP versions if (isset($_REQUEST['GLOBALS']) || isset($_COOKIE['GLOBALS']) || isset($_FILES['GLOBALS'])) { die('Fatal: Illegal GLOBALS overwrite attempt detected!'); } if (!isset($CFG->wwwroot)) { trigger_error('Fatal: $CFG->wwwroot is not configured! Exiting.'); die; } /// 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 gradebook /// store settings from config.php in array in $CFG - we can use it later to detect problems and overrides $CFG->config_php_settings = (array)$CFG; /// Set httpswwwroot default value (this variable will replace $CFG->wwwroot /// inside some URLs used in HTTPSPAGEREQUIRED pages. $CFG->httpswwwroot = $CFG->wwwroot; $CFG->libdir = $CFG->dirroot .'/lib'; require_once($CFG->libdir .'/setuplib.php'); // Functions that MUST be loaded first /// Time to start counting init_performance_info(); /// If there are any errors in the standard libraries we want to know! error_reporting(E_ALL); /// Just say no to link prefetching (Moz prefetching, Google Web Accelerator, others) /// http://www.google.com/webmasters/faq.html#prefetchblock if (!empty($_SERVER['HTTP_X_moz']) && $_SERVER['HTTP_X_moz'] === 'prefetch'){ header($_SERVER['SERVER_PROTOCOL'] . ' 404 Prefetch Forbidden'); trigger_error('Prefetch request forbidden.'); exit; } /// Connect to the database using adodb /// Set $CFG->dbfamily global /// and configure some other specific variables for each db BEFORE attempting the connection preconfigure_dbconnection(); require_once($CFG->libdir .'/adodb/adodb.inc.php'); // Database access functions $db = &ADONewConnection($CFG->dbtype); // See MDL-6760 for why this is necessary. In Moodle 1.8, once we start using NULLs properly, // we probably want to change this value to ''. $db->null2null = 'A long random string that will never, ever match something we want to insert into the database, I hope. \''; error_reporting(0); // Hide errors if (!isset($CFG->dbpersist) or !empty($CFG->dbpersist)) { // Use persistent connection (default) $dbconnected = $db->PConnect($CFG->dbhost,$CFG->dbuser,$CFG->dbpass,$CFG->dbname); } else { // Use single connection $dbconnected = $db->Connect($CFG->dbhost,$CFG->dbuser,$CFG->dbpass,$CFG->dbname); } if (! $dbconnected) { // In the name of protocol correctness, monitoring and performance // profiling, set the appropriate error headers for machine comsumption if (isset($_SERVER['SERVER_PROTOCOL'])) { // Avoid it with cron.php. Note that we assume it's HTTP/1.x header($_SERVER['SERVER_PROTOCOL'] . ' 503 Service Unavailable'); } // and then for human consumption... echo ''; echo ''; echo '
'; echo '

Error: Database connection failed.

'; echo '

It is possible that the database is overloaded or otherwise not running properly.

'; echo '

The site administrator should also check that the database details have been correctly specified in config.php

'; echo '
'; echo ''; error_log('ADODB Error: '.$db->ErrorMsg()); // see MDL-14628 if (empty($CFG->noemailever) and !empty($CFG->emailconnectionerrorsto)) { if (file_exists($CFG->dataroot.'/emailcount')){ $fp = fopen($CFG->dataroot.'/emailcount', 'r'); $content = fread($fp, 24); fclose($fp); if((time() - (int)$content) > 600){ mail($CFG->emailconnectionerrorsto, 'WARNING: Database connection error: '.$CFG->wwwroot, 'Connection error: '.$CFG->wwwroot); $fp = fopen($CFG->dataroot.'/emailcount', 'w'); fwrite($fp, time()); } } else { mail($CFG->emailconnectionerrorsto, 'WARNING: Database connection error: '.$CFG->wwwroot, 'Connection error: '.$CFG->wwwroot); $fp = fopen($CFG->dataroot.'/emailcount', 'w'); fwrite($fp, time()); } } die; } /// Forcing ASSOC mode for ADOdb (some DBs default to FETCH_BOTH) $db->SetFetchMode(ADODB_FETCH_ASSOC); /// Starting here we have a correct DB conection but me must avoid /// to execute any DB transaction until "set names" has been executed /// some lines below! error_reporting(E_ALL); // Show errors from now on. if (!isset($CFG->prefix)) { // Just in case it isn't defined in config.php $CFG->prefix = ''; } /// Define admin directory if (!isset($CFG->admin)) { // Just in case it isn't defined in config.php $CFG->admin = 'admin'; // This is relative to the wwwroot and dirroot } /// Increase memory limits if possible raise_memory_limit('96M'); // We should never NEED this much but just in case... /// Load up standard libraries require_once($CFG->libdir .'/textlib.class.php'); // Functions to handle multibyte strings require_once($CFG->libdir .'/weblib.php'); // Functions for producing HTML require_once($CFG->libdir .'/dmllib.php'); // Functions to handle DB data (DML) require_once($CFG->libdir .'/datalib.php'); // Legacy lib with a big-mix of functions. require_once($CFG->libdir .'/accesslib.php'); // Access control functions require_once($CFG->libdir .'/deprecatedlib.php'); // Deprecated functions included for backward compatibility require_once($CFG->libdir .'/moodlelib.php'); // Other general-purpose functions require_once($CFG->libdir .'/eventslib.php'); // Events functions require_once($CFG->libdir .'/grouplib.php'); // Groups functions //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', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path')); /// Disable errors for now - needed for installation when debug enabled in config.php if (isset($CFG->debug)) { $originalconfigdebug = $CFG->debug; unset($CFG->debug); } else { $originalconfigdebug = -1; } /// Set the client/server and connection to utf8 /// and configure some other specific variables for each db configure_dbconnection(); /// Load up any configuration from the config table $CFG = get_config(); /// Turn on SQL logging if required if (!empty($CFG->logsql)) { $db->LogSQL(); // And override ADODB's default logging time if (isset($CFG->logsqlmintime)) { global $ADODB_PERF_MIN; $ADODB_PERF_MIN = $CFG->logsqlmintime; } } /// Prevent warnings from roles when upgrading with debug on if (isset($CFG->debug)) { $originaldatabasedebug = $CFG->debug; unset($CFG->debug); } else { $originaldatabasedebug = -1; } /// For now, only needed under apache (and probably unstable in other contexts) if (function_exists('register_shutdown_function')) { register_shutdown_function('moodle_request_shutdown'); } /// Defining the site if ($SITE = get_site()) { /** * If $SITE global from {@link get_site()} is set then SITEID to $SITE->id, otherwise set to 1. */ define('SITEID', $SITE->id); /// And the 'default' course $COURSE = clone($SITE); // For now. This will usually get reset later in require_login() etc. } else { /** * @ignore */ define('SITEID', 1); /// And the 'default' course $COURSE = new object; // no site created yet $COURSE->id = 1; } // define SYSCONTEXTID in config.php if you want to save some queries (after install or upgrade!) if (!defined('SYSCONTEXTID')) { get_system_context(); } /// Set error reporting back to normal if ($originaldatabasedebug == -1) { $CFG->debug = DEBUG_MINIMAL; } else { $CFG->debug = $originaldatabasedebug; } if ($originalconfigdebug !== -1) { $CFG->debug = $originalconfigdebug; } unset($originalconfigdebug); unset($originaldatabasedebug); error_reporting($CFG->debug); /// find out if PHP cofigured to display warnings 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($CFG->debugdisplay)) { //keep it as is during installation } else if (empty($CFG->debugdisplay)) { @ini_set('display_errors', '0'); @ini_set('log_errors', '1'); } else { @ini_set('display_errors', '1'); } // Even when users want to see errors in the output, // some parts of Moodle cannot display them at all. // (Once we are XHTML strict compliant, debugdisplay // _must_ go away). if (defined('MOODLE_SANE_OUTPUT')) { @ini_set('display_errors', '0'); @ini_set('log_errors', '1'); } /// 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 = ''; $CFG->rcache = false; } /// Set a default enrolment configuration (see bug 1598) if (!isset($CFG->enrol)) { $CFG->enrol = 'manual'; } /// Set default enabled enrolment plugins if (!isset($CFG->enrol_plugins_enabled)) { $CFG->enrol_plugins_enabled = 'manual'; } /// File permissions on created directories in the $CFG->dataroot if (empty($CFG->directorypermissions)) { $CFG->directorypermissions = 0777; // Must be octal (that's why it's here) } /// 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; /// Set up default frame target string, based on $CFG->framename $CFG->frametarget = frametarget(); /// Setup cache dir for Smarty and others if (!file_exists($CFG->dataroot .'/cache')) { make_upload_directory('cache'); } /// Set up smarty template system //require_once($CFG->libdir .'/smarty/Smarty.class.php'); //$smarty = new Smarty; //$smarty->template_dir = $CFG->dirroot .'/templates/'. $CFG->template; //if (!file_exists($CFG->dataroot .'/cache/smarty')) { // make_upload_directory('cache/smarty'); //} //$smarty->compile_dir = $CFG->dataroot .'/cache/smarty'; /// Set up session handling if(empty($CFG->respectsessionsettings)) { if (empty($CFG->dbsessions)) { /// File-based sessions // Some distros disable GC by setting probability to 0 // overriding the PHP default of 1 // (gc_probability is divided by gc_divisor, which defaults to 1000) if (ini_get('session.gc_probability') == 0) { ini_set('session.gc_probability', 1); } if (!empty($CFG->sessiontimeout)) { ini_set('session.gc_maxlifetime', $CFG->sessiontimeout); } if (!file_exists($CFG->dataroot .'/sessions')) { make_upload_directory('sessions'); } ini_set('session.save_path', $CFG->dataroot .'/sessions'); } else { /// Database sessions ini_set('session.save_handler', 'user'); $ADODB_SESSION_DRIVER = $CFG->dbtype; $ADODB_SESSION_CONNECT = $CFG->dbhost; $ADODB_SESSION_USER = $CFG->dbuser; $ADODB_SESSION_PWD = $CFG->dbpass; $ADODB_SESSION_DB = $CFG->dbname; $ADODB_SESSION_TBL = $CFG->prefix.'sessions2'; if (!empty($CFG->sessiontimeout)) { $ADODB_SESS_LIFE = $CFG->sessiontimeout; } require_once($CFG->libdir. '/adodb/session/adodb-session2.php'); } } /// Set sessioncookie and sessioncookiepath variable if it isn't already if (!isset($CFG->sessioncookie)) { $CFG->sessioncookie = ''; } if (!isset($CFG->sessioncookiedomain)) { $CFG->sessioncookiedomain = ''; } if (!isset($CFG->sessioncookiepath)) { $CFG->sessioncookiepath = '/'; } /// 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->javascript = $CFG->libdir .'/javascript.php'; $CFG->moddata = 'moddata'; // Alas, in some cases we cannot deal with magic_quotes. if (defined('MOODLE_SANE_INPUT') && ini_get_bool('magic_quotes_gpc')) { mdie("Facilities that require MOODLE_SANE_INPUT " . "cannot work with magic_quotes_gpc. Please disable " . "magic_quotes_gpc."); } /// A hack to get around magic_quotes_gpc being turned off /// It is strongly recommended to enable "magic_quotes_gpc"! if (!ini_get_bool('magic_quotes_gpc') && !defined('MOODLE_SANE_INPUT') ) { function addslashes_deep($value) { $value = is_array($value) ? array_map('addslashes_deep', $value) : addslashes($value); return $value; } $_POST = array_map('addslashes_deep', $_POST); $_GET = array_map('addslashes_deep', $_GET); $_COOKIE = array_map('addslashes_deep', $_COOKIE); $_REQUEST = array_map('addslashes_deep', $_REQUEST); if (!empty($_SERVER['REQUEST_URI'])) { $_SERVER['REQUEST_URI'] = addslashes($_SERVER['REQUEST_URI']); } if (!empty($_SERVER['QUERY_STRING'])) { $_SERVER['QUERY_STRING'] = addslashes($_SERVER['QUERY_STRING']); } if (!empty($_SERVER['HTTP_REFERER'])) { $_SERVER['HTTP_REFERER'] = addslashes($_SERVER['HTTP_REFERER']); } if (!empty($_SERVER['PATH_INFO'])) { $_SERVER['PATH_INFO'] = addslashes($_SERVER['PATH_INFO']); } if (!empty($_SERVER['PHP_SELF'])) { $_SERVER['PHP_SELF'] = addslashes($_SERVER['PHP_SELF']); } if (!empty($_SERVER['PATH_TRANSLATED'])) { $_SERVER['PATH_TRANSLATED'] = addslashes($_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); } /// The following code can emulate "register globals" if required. /// This hack is no longer being applied as of Moodle 1.6 unless you really /// really want to use it (by defining $CFG->enableglobalshack = true) if (!empty($CFG->enableglobalshack) && !defined('MOODLE_SANE_INPUT')) { if (!empty($CFG->detect_unchecked_vars)) { global $UNCHECKED_VARS; $UNCHECKED_VARS->url = $_SERVER['PHP_SELF']; $UNCHECKED_VARS->vars = array(); } if (isset($_GET)) { extract($_GET, EXTR_SKIP); // Skip existing variables, ie CFG if (!empty($CFG->detect_unchecked_vars)) { foreach ($_GET as $key => $val) { $UNCHECKED_VARS->vars[$key]=$val; } } } if (isset($_POST)) { extract($_POST, EXTR_SKIP); // Skip existing variables, ie CFG if (!empty($CFG->detect_unchecked_vars)) { foreach ($_POST as $key => $val) { $UNCHECKED_VARS->vars[$key]=$val; } } } if (isset($_SERVER)) { extract($_SERVER); } } /// Load up global environment variables if (!isset($CFG->cookiesecure) or strpos($CFG->wwwroot, 'https://') !== 0) { $CFG->cookiesecure = false; } if (!isset($CFG->cookiehttponly)) { $CFG->cookiehttponly = false; } //discard session ID from POST, GET and globals to tighten security, //this session fixation prevention can not be used in cookieless mode if (empty($CFG->usesid) && !defined('MOODLE_SANE_INPUT')) { unset(${'MoodleSession'.$CFG->sessioncookie}); unset($_GET['MoodleSession'.$CFG->sessioncookie]); unset($_POST['MoodleSession'.$CFG->sessioncookie]); } //compatibility hack for Moodle Cron, cookies not deleted, but set to "deleted" - should not be needed with $nomoodlecookie in cron.php now if (!empty($_COOKIE['MoodleSession'.$CFG->sessioncookie]) && $_COOKIE['MoodleSession'.$CFG->sessioncookie] == "deleted") { unset($_COOKIE['MoodleSession'.$CFG->sessioncookie]); } if (!empty($_COOKIE['MoodleSessionTest'.$CFG->sessioncookie]) && $_COOKIE['MoodleSessionTest'.$CFG->sessioncookie] == "deleted") { unset($_COOKIE['MoodleSessionTest'.$CFG->sessioncookie]); } if (empty($nomoodlecookie)) { session_name('MoodleSession'.$CFG->sessioncookie); if (check_php_version('5.2.0')) { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure, $CFG->cookiehttponly); } else { session_set_cookie_params(0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure); } @session_start(); if (! isset($_SESSION['SESSION'])) { $_SESSION['SESSION'] = new object; $_SESSION['SESSION']->session_test = random_string(10); if (!empty($_COOKIE['MoodleSessionTest'.$CFG->sessioncookie])) { $_SESSION['SESSION']->has_timed_out = true; } if (check_php_version('5.2.0')) { setcookie('MoodleSessionTest'.$CFG->sessioncookie, $_SESSION['SESSION']->session_test, 0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure, $CFG->cookiehttponly); } else { setcookie('MoodleSessionTest'.$CFG->sessioncookie, $_SESSION['SESSION']->session_test, 0, $CFG->sessioncookiepath, $CFG->sessioncookiedomain, $CFG->cookiesecure); } $_COOKIE['MoodleSessionTest'.$CFG->sessioncookie] = $_SESSION['SESSION']->session_test; } if (! isset($_SESSION['USER'])) { $_SESSION['USER'] = new object; } $SESSION = &$_SESSION['SESSION']; // Makes them easier to reference $USER = &$_SESSION['USER']; if (!isset($USER->id)) { $USER->id = 0; // to enable proper function of $CFG->notloggedinroleid hack } } else { $SESSION = NULL; $USER = new object(); $USER->id = 0; // user not logged in when session disabled if (isset($CFG->mnet_localhost_id)) { $USER->mnethostid = $CFG->mnet_localhost_id; } } if (defined('FULLME')) { // Usually in command-line scripts like admin/cron.php $FULLME = FULLME; $ME = FULLME; } else { $FULLME = qualified_me(); $ME = strip_querystring($FULLME); } if (!empty($CFG->usesid) && empty($_COOKIE['MoodleSession'.$CFG->sessioncookie])) { require_once("$CFG->dirroot/lib/cookieless.php"); } /// In VERY rare cases old PHP server bugs (it has been found on PHP 4.1.2 running /// as a CGI under IIS on Windows) may require that you uncomment the following: // session_register("USER"); // session_register("SESSION"); /// Load up theme variables (colours etc) if (!isset($CFG->themedir)) { $CFG->themedir = $CFG->dirroot.'/theme'; $CFG->themewww = $CFG->wwwroot.'/theme'; } $CFG->httpsthemewww = $CFG->themewww; if (isset($_GET['theme'])) { if ($CFG->allowthemechangeonurl || confirm_sesskey()) { $themename = clean_param($_GET['theme'], PARAM_SAFEDIR); if (($themename != '') and file_exists($CFG->themedir.'/'.$themename)) { $SESSION->theme = $themename; } unset($themename); } } if (!isset($CFG->theme)) { $CFG->theme = 'standardwhite'; } /// now do a session test to prevent random user switching - observed on some PHP/Apache combinations, /// disable checks when working in cookieless mode if (empty($CFG->usesid) || !empty($_COOKIE['MoodleSession'.$CFG->sessioncookie])) { if ($SESSION != NULL) { if (empty($_COOKIE['MoodleSessionTest'.$CFG->sessioncookie])) { report_session_error(); } else if (isset($SESSION->session_test) && $_COOKIE['MoodleSessionTest'.$CFG->sessioncookie] != $SESSION->session_test) { report_session_error(); } } } /// Set language/locale of printed times. If user has chosen a language that /// that is different from the site language, then use the locale specified /// in the language file. Otherwise, if the admin hasn't specified a locale /// then use the one from the default language. Otherwise (and this is the /// majority of cases), use the stored locale specified by admin. if ($SESSION !== NULL && isset($_GET['lang']) && ($lang = clean_param($_GET['lang'], PARAM_SAFEDIR))) { if (file_exists($CFG->dataroot .'/lang/'. $lang) or file_exists($CFG->dirroot .'/lang/'. $lang)) { $SESSION->lang = $lang; } else if (file_exists($CFG->dataroot.'/lang/'.$lang.'_utf8') or file_exists($CFG->dirroot .'/lang/'.$lang.'_utf8')) { $SESSION->lang = $lang.'_utf8'; } } setup_lang_from_browser(); unset($lang); if (empty($CFG->lang)) { if (empty($SESSION->lang)) { $CFG->lang = 'en_utf8'; } else { $CFG->lang = $SESSION->lang; } } // set default locale and themes - might be changed again later from require_login() course_setup(); if (!empty($CFG->opentogoogle)) { if (empty($USER->id)) { // Ignore anyone logged in if (!empty($_SERVER['HTTP_USER_AGENT'])) { if (strpos($_SERVER['HTTP_USER_AGENT'], 'Googlebot') !== false ) { $USER = guest_user(); } else if (strpos($_SERVER['HTTP_USER_AGENT'], 'google.com') !== false ) { // Google $USER = guest_user(); } else if (strpos($_SERVER['HTTP_USER_AGENT'], 'Yahoo! Slurp') !== false ) { // Yahoo $USER = guest_user(); } else if (strpos($_SERVER['HTTP_USER_AGENT'], '[ZSEBOT]') !== false ) { // Zoomspider $USER = guest_user(); } else if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSNBOT') !== false ) { // MSN Search $USER = guest_user(); } } if (!empty($CFG->guestloginbutton) && empty($USER) && !empty($_SERVER['HTTP_REFERER'])) { if (strpos($_SERVER['HTTP_REFERER'], 'google') !== false ) { $USER = guest_user(); } else if (strpos($_SERVER['HTTP_REFERER'], 'altavista') !== false ) { $USER = guest_user(); } } if (!empty($USER)) { load_all_capabilities(); } } } if (!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($_SESSION['USER']->id)) { // Allow W3CValidator in as user called w3cvalidator (or guest) if ((strpos($_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(); } } } } } /// Apache log intergration. 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 . " " . $USER->lastname); } if (isset($USER->realuser)) { if ($realuser = get_record('user', 'id', $USER->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); } } /// note: we can not block non utf-8 installatrions here, because empty mysql database /// might be converted to utf-8 in admin/index.php during installation ?>