mirror of
https://github.com/moodle/moodle.git
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d99bab2d1d
The new directory permissions maintain group mode better, and the manual chown is now removed to prevent safe mode from getting upset.
767 lines
23 KiB
PHP
767 lines
23 KiB
PHP
<?php /// $Id$
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/// install.php - helps admin user to create a config.php file
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/// If config.php exists already then we are not needed.
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if (file_exists('./config.php')) {
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header('Location: index.php');
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die;
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} else {
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$configfile = './config.php';
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}
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///==========================================================================//
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/// We are doing this in stages
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/// 0. Welcome and language settings
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/// 1. Compatibility
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/// 2. Database settings
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/// 3. Host settings
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/// 4. Administration directory name
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/// 5. Save or display the settings
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/// 6. Redirect to index.php
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///==========================================================================//
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/// Begin the session as we are holding all information in a session
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/// variable until the end.
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session_name('MoodleSession');
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@session_start();
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if (! isset($_SESSION['INSTALL'])) {
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$_SESSION['INSTALL'] = array();
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}
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$INSTALL = &$_SESSION['INSTALL']; // Makes it easier to reference
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/// If it's our first time through this script then we need to set some default values
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if ( empty($INSTALL['language']) and empty($_POST['language']) ) {
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/// set defaults
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$INSTALL['language'] = 'en';
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$INSTALL['dbhost'] = 'localhost';
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$INSTALL['dbuser'] = '';
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$INSTALL['dbpass'] = '';
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$INSTALL['dbtype'] = 'mysql';
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$INSTALL['dbname'] = 'moodle';
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$INSTALL['prefix'] = 'mdl_';
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$INSTALL['wwwroot'] = '';
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$INSTALL['dirroot'] = dirname(__FILE__);
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$INSTALL['dataroot'] = dirname(dirname(__FILE__)) . '/moodledata';
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$INSTALL['admindirname'] = 'admin';
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$INSTALL['stage'] = 0;
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}
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//==========================================================================//
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/// Fake some settings so that we can use selected functions from moodlelib.php and weblib.php
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$SESSION->lang = (!empty($_POST['language'])) ? $_POST['language'] : $INSTALL['language'];
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$CFG->dirroot = $INSTALL['dirroot'];
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$CFG->dataroot = $INSTALL['dataroot'];
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$CFG->directorypermissions = 02777;
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/// Include some moodle libraries
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require_once('./lib/moodlelib.php');
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require_once('./lib/weblib.php');
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require_once('./lib/adodb/adodb.inc.php');
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/// guess the www root
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if ($INSTALL['wwwroot'] == '') {
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list($INSTALL['wwwroot'], $xtra) = explode('/install.php', qualified_me());
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}
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$stagetext = array(0 => get_string('chooselanguage', 'install'),
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get_string('compatibilitysettings', 'install'),
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get_string('directorysettings', 'install'),
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get_string('databasesettings', 'install'),
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get_string('admindirsetting', 'install'),
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get_string('configurationcomplete', 'install')
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);
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//==========================================================================//
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/// Are we in help mode?
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if (isset($_GET['help'])) {
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$nextstage = -1;
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}
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//==========================================================================//
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/// Are we in config download mode?
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if (isset($_GET['download'])) {
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header("Content-Type: application/download\n");
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header("Content-Disposition: attachment; filename=\"config.php\"");
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echo $INSTALL['config'];
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exit;
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}
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//==========================================================================//
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/// Was data submitted?
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if (isset($_POST['stage'])) {
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/// Get the stage for which the form was set and the next stage we are going to
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if ( $goforward = (! empty( $_POST['next'] )) ) {
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$nextstage = $_POST['stage'] + 1;
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} else {
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$nextstage = $_POST['stage'] - 1;
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}
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if ($nextstage < 0) $nextstage = 0;
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/// Store any posted data
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foreach ($_POST as $setting=>$value) {
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$INSTALL[$setting] = $value;
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}
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} else {
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$goforward = true;
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$nextstage = 0;
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}
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//==========================================================================//
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/// Check the directory settings
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if ($INSTALL['stage'] == 2) {
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error_reporting(0);
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/// check dirroot
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if (($fh = @fopen($INSTALL['dirroot'].'/install.php', 'r')) === false ) {
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$CFG->dirroot = dirname(__FILE__);
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$INSTALL['dirroot'] = dirname(__FILE__);
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$errormsg .= get_string('dirrooterror', 'install').'<br />';
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}
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if ($fh) fclose($fh);
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$CFG->dirroot = $INSTALL['dirroot'];
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/// check wwwroot
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if (ini_get('allow_url_fopen')) {
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if (($fh = @fopen($INSTALL['wwwroot'].'/install.php', 'r')) === false) {
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$errormsg .= get_string('wwwrooterror', 'install').'<br />';
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}
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}
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if ($fh) fclose($fh);
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/// check dataroot
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$CFG->dataroot = $INSTALL['dataroot'];
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if (make_upload_directory('sessions', false) === false ) {
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$errormsg = get_string('datarooterror', 'install').'<br />';
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}
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if ($fh) fclose($fh);
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if (!empty($errormsg)) $nextstage = 2;
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error_reporting(7);
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}
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//==========================================================================//
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/// Check database settings if stage 3 data submitted
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/// Try to connect to the database. If that fails then try to create the database
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if ($INSTALL['stage'] == 3) {
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if (empty($INSTALL['dbname'])) {
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$INSTALL['dbname'] = 'moodle';
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}
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/// different format for postgres7 by socket
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if ($INSTALL['dbtype'] == 'postgres7' and ($INSTALL['dbhost'] == 'localhost' || $INSTALL['dbhost'] == '127.0.0.1')) {
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$INSTALL['dbhost'] = "user='{$INSTALL['dbuser']}' password='{$INSTALL['dbpass']}' dbname='{$INSTALL['dbname']}'";
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$INSTALL['dbuser'] = '';
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$INSTALL['dbpass'] = '';
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$INSTALL['dbname'] = '';
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if ($INSTALL['prefix'] == '') { /// must have a prefix
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$INSTALL['prefix'] = 'mdl_';
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}
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}
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if ($INSTALL['dbtype'] == 'mysql') { /// Check MySQL extension is present
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if (!extension_loaded('mysql')) {
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$errormsg = get_string('mysqlextensionisnotpresentinphp', 'install');
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$nextstage = 3;
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}
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}
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if (empty($errormsg)) {
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$db = &ADONewConnection($INSTALL['dbtype']);
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error_reporting(0); // Hide errors
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if (! $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname'])) {
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/// The following doesn't seem to work but we're working on it
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/// If you come up with a solution for creating a database in MySQL
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/// feel free to put it in and let us know
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if ($dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'])) {
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switch ($INSTALL['dbtype']) { /// Try to create a database
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case 'mysql':
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if ($db->Execute("CREATE DATABASE {$INSTALL['dbname']};")) {
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$dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
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} else {
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$errormsg = get_string('dbcreationerror', 'install');
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$nextstage = 3;
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}
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break;
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}
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}
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}
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}
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error_reporting(7);
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if (($dbconnected === false) and (empty($errormsg)) ) {
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$errormsg = get_string('dbconnectionerror', 'install');
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$nextstage = 3;
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}
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}
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//==========================================================================//
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/// If the next stage is admin directory settings OR we have just come from there then
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/// check the admin directory.
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/// If we can open a file then we know that the admin name is correct.
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if ($nextstage == 4 or $INSTALL['stage'] == 4) {
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if (($fh = @fopen($INSTALL['dirroot'].'/'.$INSTALL['admindirname'].'/site.html', 'r')) !== false) {
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$nextstage = ($goforward) ? 5 : 3;
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fclose($fh);
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} else {
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if ($nextstage != 4) {
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$errormsg = get_string('admindirerror', 'install');
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$nextstage = 4;
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}
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}
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}
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//==========================================================================//
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/// Display or print the data
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/// Put the data into a string
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/// Try to open config file for writing.
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if ($nextstage == 5) {
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$str = '<?php /// Moodle Configuration File '."\r\n";
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$str .= "\r\n";
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$str .= 'unset($CFG);'."\r\n";
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$str .= "\r\n";
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$str .= '$CFG->dbtype = \''.$INSTALL['dbtype']."';\r\n";
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$str .= '$CFG->dbhost = \''.addslashes($INSTALL['dbhost'])."';\r\n";
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if (!empty($INSTALL['dbname'])) {
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$str .= '$CFG->dbname = \''.$INSTALL['dbname']."';\r\n";
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$str .= '$CFG->dbuser = \''.$INSTALL['dbuser']."';\r\n";
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$str .= '$CFG->dbpass = \''.$INSTALL['dbpass']."';\r\n";
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}
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$str .= '$CFG->dbpersist = false;'."\r\n";
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$str .= '$CFG->prefix = \''.$INSTALL['prefix']."';\r\n";
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$str .= "\r\n";
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$str .= '$CFG->wwwroot = \''.$INSTALL['wwwroot']."';\r\n";
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$str .= '$CFG->dirroot = \''.$INSTALL['dirroot']."';\r\n";
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$str .= '$CFG->dataroot = \''.$INSTALL['dataroot']."';\r\n";
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$str .= '$CFG->admin = \''.$INSTALL['admindirname']."';\r\n";
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$str .= "\r\n";
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$str .= '$CFG->directorypermissions = 02777;'."\r\n";
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$str .= "\r\n";
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$str .= 'require_once("$CFG->dirroot/lib/setup.php");'."\r\n";
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$str .= '// MAKE SURE WHEN YOU EDIT THIS FILE THAT THERE ARE NO SPACES, BLANK LINES,'."\r\n";
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$str .= '// RETURNS, OR ANYTHING ELSE AFTER THE TWO CHARACTERS ON THE NEXT LINE.'."\r\n";
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$str .= '?>';
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umask(0137);
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if (( $configsuccess = ($fh = @fopen($configfile, 'w')) ) !== false) {
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fwrite($fh, $str);
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fclose($fh);
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}
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$INSTALL['config'] = $str;
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}
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//==========================================================================//
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?>
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<html dir="<?php echo (get_string('this_direction') == 'rtl') ? 'rtl' : 'ltr' ?>">
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<head>
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<link rel="shortcut icon" href="http://moodle.dougiamas.net/theme/standard/favicon.ico" />
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<title>Moodle Install</title>
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<meta http-equiv="content-type" content="text/html; charset=<?php print_string('thischarset') ?>" />
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<?php css_styles() ?>
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</head>
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<body>
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<?php
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if (isset($_GET['help'])) {
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print_install_help($_GET['help']);
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close_window_button();
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} else {
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?>
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<table class="main" align="center" cellpadding="3" cellspacing="0">
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<tr>
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<td class="td_mainlogo">
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<p class="p_mainlogo"><img src="pix/moodlelogo-med.gif" width="240" height="60" alt=\"\"></p>
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</td>
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<td class="td_mainlogo" valign="bottom">
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<p class="p_mainheader"><?php print_string('installation', 'install') ?></p>
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</td>
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</tr>
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<tr>
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<td class="td_mainheading" colspan="2">
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<p class="p_mainheading"><?php echo $stagetext[$nextstage] ?></p>
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</td>
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</tr>
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<tr>
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<td class="td_main" colspan="2">
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<?php
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if (!empty($errormsg)) echo "<p class=\"errormsg\" align=\"center\">$errormsg</p>\n";
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if ($nextstage == 5) {
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$INSTALL['stage'] = 0;
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$options = array();
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$options['lang'] = $INSTALL['language'];
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if ($configsuccess) {
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echo "<p>".get_string('configfilewritten', 'install')."</p>\n";
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echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
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echo "<tr>\n";
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echo "<td width=\"33.3%\"> </td>\n";
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echo "<td width=\"33.3%\"> </td>\n";
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echo "<td width=\"33.3%\" align=\"right\">\n";
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print_single_button("index.php", $options, get_string('continue')." »");
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echo "</td>\n";
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echo "</tr>\n";
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echo "</table>\n";
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} else {
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echo "<p class=\"errormsg\">".get_string('configfilenotwritten', 'install')."</p>";
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echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
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echo "<tr>\n";
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echo "<td width=\"33.3%\"> </td>\n";
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echo "<td width=\"33.3%\" align=\"center\">\n";
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$installoptions = array();
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$installoptions['download'] = 1;
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print_single_button("install.php", $installoptions, get_string('download', 'install'));
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echo "</td>\n";
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echo "<td width=\"33.3%\" align=\"right\">\n";
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print_single_button("index.php", $options, get_string('continue')." »");
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echo "</td>\n";
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echo "</tr>\n";
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echo "</table>\n";
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echo "<hr />\n";
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echo "<div style=\"text-align: left\">\n";
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print_object(htmlentities($str));
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echo "</div>\n";
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}
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} else {
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$formaction = (isset($_GET['configfile'])) ? "install.php?configfile=".$_GET['configfile'] : "install.php";
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form_table($nextstage, $formaction);
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}
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?>
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</td>
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</tr>
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</table>
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<?php
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}
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?>
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</body>
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</html>
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<?php
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//==========================================================================//
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function print_object($object) {
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echo "<pre>\n";
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print_r($object);
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echo "</pre>\n";
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}
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//==========================================================================//
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function form_table($nextstage = 0, $formaction = "install.php") {
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global $INSTALL;
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/// standard lines for all forms
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?>
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<form name="installform" method="post" action="<?php echo $formaction ?>">
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<input type="hidden" name="stage" value="<?php echo $nextstage ?>" />
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<table class="install_table" cellspacing="3" cellpadding="3" align="center">
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<?php
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/// what we do depends on the stage we're at
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switch ($nextstage) {
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case 0: /// Language settings
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?>
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<tr>
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<td class="td_left"><p><?php print_string('language') ?></p></td>
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<td class="td_right">
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<?php choose_from_menu (get_list_of_languages(), 'language', $INSTALL['language'], '') ?>
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</td>
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</tr>
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<?php
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break;
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case 1: /// Compatibilty check
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$compatsuccess = true;
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/// Check that PHP is of a sufficient version
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print_compatibility_row(check_php_version("4.1.0"), get_string('phpversion', 'install'), get_string('phpversionerror', 'install'), 'phpversionhelp');
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/// Check session auto start
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print_compatibility_row(!ini_get_bool('session.auto_start'), get_string('sessionautostart', 'install'), get_string('sessionautostarterror', 'install'), 'sessionautostarthelp');
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/// Check magic quotes
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print_compatibility_row(!ini_get_bool('magic_quotes_runtime'), get_string('magicquotesruntime', 'install'), get_string('magicquotesruntimeerror', 'install'), 'magicquotesruntimehelp');
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/// Check safe mode
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print_compatibility_row(!ini_get_bool('safe_mode'), get_string('safemode', 'install'), get_string('safemodeerror', 'install'), 'safemodehelp', true);
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/// Check file uploads
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print_compatibility_row(ini_get_bool('file_uploads'), get_string('fileuploads', 'install'), get_string('fileuploadserror', 'install'), 'fileuploadshelp', true);
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/// Check GD version
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print_compatibility_row(check_gd_version(), get_string('gdversion', 'install'), get_string('gdversionerror', 'install'), 'gdversionhelp', true);
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/// Check memory limit
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print_compatibility_row(check_memory_limit(), get_string('memorylimit', 'install'), get_string('memorylimiterror', 'install'), 'memorylimithelp', true);
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break;
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case 2: /// Directory settings
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?>
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<tr>
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<td class="td_left"><p><?php print_string('wwwroot', 'install') ?></p></td>
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<td class="td_right">
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<input type="text" size="40"name="wwwroot" value="<?php echo $INSTALL['wwwroot'] ?>" />
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</td>
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</tr>
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<tr>
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<td class="td_left"><p><?php print_string('dirroot', 'install') ?></p></td>
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<td class="td_right">
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<input type="text" size="40" name="dirroot" value="<?php echo $INSTALL['dirroot'] ?>" />
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</td>
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</tr>
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<tr>
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<td class="td_left"><p><?php print_string('dataroot', 'install') ?></p></td>
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<td class="td_right">
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<input type="text" size="40" name="dataroot" value="<?php echo $INSTALL['dataroot'] ?>" />
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</td>
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</tr>
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<?php
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break;
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case 3: /// Database settings
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?>
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<tr>
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<td class="td_left"><p><?php print_string('dbtype', 'install') ?></p></td>
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<td class="td_right">
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<?php choose_from_menu (array("mysql" => "mysql", "postgres7" => "postgres7"), 'dbtype', $INSTALL['dbtype'], '') ?>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="td_left"><p><?php print_string('dbhost', 'install') ?></p></td>
|
|
<td class="td_right">
|
|
<input type="text" size="40" name="dbhost" value="<?php echo $INSTALL['dbhost'] ?>" />
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="td_left"><p><?php print_string('database', 'install') ?></p></td>
|
|
<td class="td_right">
|
|
<input type="text" size="40" name="dbname" value="<?php echo $INSTALL['dbname'] ?>" />
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="td_left"><p><?php print_string('user') ?></p></td>
|
|
<td class="td_right">
|
|
<input type="text" size="40" name="dbuser" value="<?php echo $INSTALL['dbuser'] ?>" />
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="td_left"><p><?php print_string('password') ?></p></td>
|
|
<td class="td_right">
|
|
<input type="password" size="40" name="dbpass" value="<?php echo $INSTALL['dbpass'] ?>" />
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="td_left"><p><?php print_string('dbprefix', 'install') ?></p></td>
|
|
<td class="td_right">
|
|
<input type="text" size="40" name="prefix" value="<?php echo $INSTALL['prefix'] ?>" />
|
|
</td>
|
|
</tr>
|
|
|
|
<?php
|
|
break;
|
|
case 4: /// Administration directory setting
|
|
?>
|
|
|
|
<tr>
|
|
<td class="td_left"><p><?php print_string('admindirname', 'install') ?></p></td>
|
|
<td class="td_right">
|
|
<input type="text" size="40" name="admindirname" value="<?php echo $INSTALL['admindirname'] ?>" />
|
|
</td>
|
|
</tr>
|
|
|
|
|
|
<?php
|
|
break;
|
|
default:
|
|
}
|
|
?>
|
|
|
|
<tr>
|
|
<td colspan="<?php echo ($nextstage == 1) ? '3' : '2'; ?>">
|
|
|
|
<?php echo ($nextstage < 5) ? "<input type=\"submit\" name=\"next\" value=\"".get_string('next')." »\" style=\"float: right\"/>\n" : " \n" ?>
|
|
<?php echo ($nextstage > 0) ? "<input type=\"submit\" name=\"prev\" value=\"« ".get_string('previous')."\" style=\"float: left\"/>\n" : " \n" ?>
|
|
|
|
|
|
</td>
|
|
|
|
</tr>
|
|
|
|
</table>
|
|
</form>
|
|
|
|
<?php
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================//
|
|
|
|
function print_compatibility_row($success, $testtext, $errormessage, $helpfield='', $caution=false) {
|
|
echo "<tr>\n";
|
|
echo "<td class=\"td_left\" valign=\"top\" nowrap width=\"160\"><p>$testtext</p></td>\n";
|
|
if ($success) {
|
|
echo "<td valign=\"top\"><p class=\"p_pass\">".get_string('pass', 'install')."</p></td>\n";
|
|
echo "<td valign=\"top\"> </td>\n";
|
|
} else {
|
|
echo "<td valign=\"top\"";
|
|
echo ($caution) ? "<p class=\"p_caution\">".get_string('caution', 'install') : "<p class=\"p_fail\">".get_string('fail', 'install');
|
|
echo "</p></td>\n";
|
|
echo "<td valign=\"top\">";
|
|
echo "<p>$errormessage ";
|
|
install_helpbutton("install.php?help=$helpfield");
|
|
echo "</p></td>\n";
|
|
}
|
|
echo "</tr>\n";
|
|
return $success;
|
|
}
|
|
|
|
|
|
//==========================================================================//
|
|
|
|
function install_helpbutton($url, $title='') {
|
|
if ($title == '') {
|
|
$title = get_string('help');
|
|
}
|
|
echo "<a href=\"javascript: void(0)\">";
|
|
echo "<img src=\"./pix/help.gif\" height=\"17\" width=\"22\" alt=\"$title\"";
|
|
echo "border=\"0\" align=\"middle\" title=\"$title\" ";
|
|
echo "onClick=\"return window.open('$url', 'Help', 'menubar=0,location=0,scrollbars,resizable,width=500,height=400')\">";
|
|
echo "</a>\n";
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================//
|
|
|
|
function print_install_help($help) {
|
|
switch ($help) {
|
|
case 'phpversionhelp':
|
|
print_string($help, 'install', phpversion());
|
|
break;
|
|
case 'memorylimithelp':
|
|
print_string($help, 'install', get_memory_limit());
|
|
break;
|
|
default:
|
|
print_string($help, 'install');
|
|
}
|
|
}
|
|
|
|
|
|
//==========================================================================//
|
|
|
|
function get_memory_limit() {
|
|
if ($limit = ini_get('memory_limit')) {
|
|
return $limit;
|
|
} else {
|
|
return get_cfg_var('memory_limit');
|
|
}
|
|
}
|
|
|
|
//==========================================================================//
|
|
|
|
function check_memory_limit() {
|
|
|
|
/// if limit is already 16M or more then we don't care if we can change it or not
|
|
if ((int)str_replace('M', '', get_memory_limit()) >= 16) {
|
|
return true;
|
|
}
|
|
|
|
/// Otherwise, see if we can change it ourselves
|
|
@ini_set('memory_limit', '16M');
|
|
return ((int)str_replace('M', '', get_memory_limit()) >= 16);
|
|
}
|
|
|
|
//==========================================================================//
|
|
|
|
function css_styles() {
|
|
?>
|
|
|
|
<style type="text/css">
|
|
|
|
body { background-color: #ffeece; }
|
|
p, li {
|
|
font-family: helvetica, arial, sans-serif;
|
|
font-size: 10pt;
|
|
}
|
|
a { text-decoration: none; color: blue; }
|
|
.errormsg {
|
|
color: red;
|
|
font-weight: bold;
|
|
}
|
|
blockquote {
|
|
font-family: courier, monospace;
|
|
font-size: 10pt;
|
|
}
|
|
.install_table {
|
|
width: 500px;
|
|
}
|
|
.td_left {
|
|
text-align: right;
|
|
font-weight: bold;
|
|
}
|
|
.td_right {
|
|
text-align: left;
|
|
}
|
|
.main {
|
|
width: 500px;
|
|
border-width: 1px;
|
|
border-style: solid;
|
|
border-color: #ffc85f;
|
|
-moz-border-radius-bottomleft: 15px;
|
|
-moz-border-radius-bottomright: 15px;
|
|
}
|
|
.td_mainheading {
|
|
background-color: #fee6b9;
|
|
padding: 10px;
|
|
}
|
|
.td_main {
|
|
text-align: center;
|
|
}
|
|
.td_mainlogo {
|
|
}
|
|
.p_mainlogo {
|
|
}
|
|
.p_mainheading {
|
|
font-size: 11pt;
|
|
}
|
|
.p_mainheader{
|
|
text-align: right;
|
|
font-size: 20pt;
|
|
font-weight: bold;
|
|
}
|
|
.p_pass {
|
|
color: green;
|
|
font-weight: bold;
|
|
}
|
|
.p_fail {
|
|
color: red;
|
|
font-weight: bold;
|
|
}
|
|
.p_caution {
|
|
color: #ff6600;
|
|
font-weight: bold;
|
|
}
|
|
.p_help {
|
|
text-align: center;
|
|
font-family: helvetica, arial, sans-serif;
|
|
font-size: 14pt;
|
|
font-weight: bold;
|
|
color: #333333;
|
|
}
|
|
|
|
</style>
|
|
|
|
<?php
|
|
}
|
|
?>
|