mirror of
https://github.com/moodle/moodle.git
synced 2025-01-19 14:27:22 +01:00
268 lines
8.3 KiB
PHP
268 lines
8.3 KiB
PHP
<?PHP // $Id$
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//
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// setup.php
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//
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// 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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//
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// Normally this file does not need to be edited.
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//
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//////////////////////////////////////////////////////////////
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if (!isset($CFG->wwwroot)) {
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die;
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}
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if (!isset($CFG->enrol)) { // This is a hack to fix bug 1598
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$CFG->enrol = 'internal';
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}
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/// If there are any errors in the standard libraries we want to know!
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error_reporting(E_ALL);
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/// Connect to the database using adodb
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$CFG->libdir = "$CFG->dirroot/lib";
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require_once("$CFG->libdir/adodb/adodb.inc.php"); // Database access functions
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$db = &ADONewConnection($CFG->dbtype);
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error_reporting(0); // Hide errors
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if (!isset($CFG->dbpersist) or !empty($CFG->dbpersist)) { // Use persistent connection (default)
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$dbconnected = $db->PConnect($CFG->dbhost,$CFG->dbuser,$CFG->dbpass,$CFG->dbname);
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} else { // Use single connection
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$dbconnected = $db->Connect($CFG->dbhost,$CFG->dbuser,$CFG->dbpass,$CFG->dbname);
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}
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if (! $dbconnected) {
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echo "<font color=\"#990000\">";
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echo "<p>Error: Moodle could not connect to the database.</p>";
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echo "<p>It's possible the database itself is just not working at the moment.</p>";
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echo "<p>The admin should
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also check that the database details have been correctly specified in config.php</p>";
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echo "<p>Database host: $CFG->dbhost<br />";
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echo "Database name: $CFG->dbname<br />";
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echo "Database user: $CFG->dbuser<br />";
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if (!isset($CFG->dbpersist)) {
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echo "<p>The admin should also try setting this in config.php: $"."CFG->dbpersist = false; </p>";
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}
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echo "</font>";
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die;
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}
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error_reporting(E_ALL); // Show errors from now on.
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if (!isset($CFG->prefix)) { // Just in case it isn't defined in config.php
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$CFG->prefix = "";
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}
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/// Define admin directory
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if (!isset($CFG->admin)) { // Just in case it isn't defined in config.php
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$CFG->admin = 'admin'; // This is relative to the wwwroot and dirroot
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}
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/// Load up standard libraries
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require_once("$CFG->libdir/weblib.php"); // Functions for producing HTML
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require_once("$CFG->libdir/datalib.php"); // Functions for accessing databases
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require_once("$CFG->libdir/moodlelib.php"); // Other general-purpose functions
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/// Increase memory limits if possible
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@ini_set('memory_limit' , '16M');
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/// Load up any configuration from the config table
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if ($configs = get_records('config')) {
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$CFG = (array)$CFG;
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foreach ($configs as $config) {
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$CFG[$config->name] = $config->value;
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}
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$CFG = (object)$CFG;
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unset($configs);
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unset($config);
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}
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/// Set error reporting back to normal
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if (empty($CFG->debug)) {
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$CFG->debug = 7;
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}
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error_reporting($CFG->debug);
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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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$CFG->directorypermissions = 0777; // Must be octal (that's why it's here)
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}
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/// Set up smarty template system
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require_once("$CFG->libdir/smarty/Smarty.class.php");
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$smarty = new Smarty;
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$smarty->template_dir = "$CFG->dirroot/templates/$CFG->template";
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if (!file_exists("$CFG->dataroot/cache")) {
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make_upload_directory('cache');
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}
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$smarty->compile_dir = "$CFG->dataroot/cache";
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/// Set session timeouts
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if (!empty($CFG->sessiontimeout)) {
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ini_set('session.gc_maxlifetime', $CFG->sessiontimeout);
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}
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/// Set custom session path
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if (!file_exists("$CFG->dataroot/sessions")) {
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make_upload_directory('sessions');
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}
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ini_set('session.save_path', "$CFG->dataroot/sessions");
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/// Set sessioncookie variable if it isn't already
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if (!isset($CFG->sessioncookie)) {
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$CFG->sessioncookie = '';
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}
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/// Location of standard files
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$CFG->wordlist = "$CFG->libdir/wordlist.txt";
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$CFG->javascript = "$CFG->libdir/javascript.php";
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$CFG->moddata = 'moddata';
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/// Load up theme variables (colours etc)
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if (!isset($CFG->theme)) {
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$CFG->theme = 'standard';
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}
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include("$CFG->dirroot/theme/$CFG->theme/config.php");
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$CFG->stylesheet = "$CFG->wwwroot/theme/$CFG->theme/styles.php";
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$CFG->header = "$CFG->dirroot/theme/$CFG->theme/header.html";
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$CFG->footer = "$CFG->dirroot/theme/$CFG->theme/footer.html";
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if (empty($THEME->custompix)) {
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$CFG->pixpath = "$CFG->wwwroot/pix";
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$CFG->modpixpath = "$CFG->wwwroot/mod";
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} else {
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$CFG->pixpath = "$CFG->wwwroot/theme/$CFG->theme/pix";
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$CFG->modpixpath = "$CFG->wwwroot/theme/$CFG->theme/pix/mod";
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}
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/// A hack to get around magic_quotes_gpc being turned off
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if (!ini_get_bool('magic_quotes_gpc') ) {
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foreach ($_GET as $key => $var) {
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if (!is_array($var)) {
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$_GET[$key] = addslashes($var);
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} else {
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foreach ($var as $arrkey => $arrvar) {
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$var[$arrkey] = addslashes($arrvar);
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}
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$_GET[$key] = $var;
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}
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}
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foreach ($_POST as $key => $var) {
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if (!is_array($var)) {
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$_POST[$key] = addslashes($var);
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} else {
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foreach ($var as $arrkey => $arrvar) {
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$var[$arrkey] = addslashes($arrvar);
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}
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$_POST[$key] = $var;
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}
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}
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}
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/// The following is a hack to get around the problem of PHP installations
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/// that have "register_globals" turned off (default since PHP 4.1.0).
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/// Eventually I'll go through and upgrade all the code to make this unnecessary
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if (isset($_GET)) {
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extract($_GET, EXTR_SKIP); // Skip existing variables, ie CFG
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}
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if (isset($_POST)) {
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extract($_POST, EXTR_SKIP); // Skip existing variables, ie CFG
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}
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if (isset($_SERVER)) {
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extract($_SERVER);
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}
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/// Load up global environment variables
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class object {};
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if (!isset($nomoodlecookie)) {
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session_name('MoodleSession'.$CFG->sessioncookie);
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@session_start();
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if (! isset($_SESSION['SESSION'])) {
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$_SESSION['SESSION'] = new object;
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}
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if (! isset($_SESSION['USER'])) {
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$_SESSION['USER'] = new object;
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}
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$SESSION = &$_SESSION['SESSION']; // Makes them easier to reference
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$USER = &$_SESSION['USER'];
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}
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if (isset($FULLME)) {
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$ME = $FULLME;
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} else {
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$FULLME = qualified_me();
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$ME = strip_querystring($FULLME);
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}
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/// In VERY rare cases old PHP server bugs (it has been found on PHP 4.1.2 running
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/// as a CGI under IIS on Windows) may require that you uncomment the following:
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// session_register("USER");
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// session_register("SESSION");
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/// Set language/locale of printed times. If user has chosen a language that
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/// that is different from the site language, then use the locale specified
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/// in the language file. Otherwise, if the admin hasn't specified a locale
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/// then use the one from the default language. Otherwise (and this is the
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/// majority of cases), use the stored locale specified by admin.
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if (isset($_GET['lang'])) {
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if (!detect_munged_arguments($lang, 0) and file_exists("$CFG->dirroot/lang/$lang")) {
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$SESSION->lang = $lang;
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$SESSION->encoding = get_string('thischarset');
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}
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}
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if (empty($CFG->lang)) {
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$CFG->lang = "en";
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}
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moodle_setlocale();
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if (!empty($CFG->opentogoogle)) {
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if (empty($_SESSION['USER'])) {
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if (!empty($_SERVER['HTTP_USER_AGENT'])) {
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if (strpos($_SERVER['HTTP_USER_AGENT'], 'Googlebot') !== false ) {
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$USER = guest_user();
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}
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if (strpos($_SERVER['HTTP_USER_AGENT'], 'google.com') !== false ) {
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$USER = guest_user();
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}
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}
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if (empty($_SESSION['USER']) and !empty($_SERVER['HTTP_REFERER'])) {
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if (strpos($_SERVER['HTTP_REFERER'], 'google') !== false ) {
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$USER = guest_user();
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}
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}
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}
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}
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?>
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