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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This script creates config.php file during installation.
*
* @package core
* @subpackage install
* @copyright 2009 Petr Skoda (http://skodak.org)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
if (isset($_REQUEST['lang'])) {
$lang = preg_replace('/[^A-Za-z0-9_-]/i', '', $_REQUEST['lang']);
} else {
$lang = 'en';
}
if (isset($_REQUEST['admin'])) {
$admin = preg_replace('/[^A-Za-z0-9_-]/i', '', $_REQUEST['admin']);
} else {
$admin = 'admin';
}
// If config.php exists we just created config.php and need to redirect to continue installation
$configfile = './config.php';
if (file_exists($configfile)) {
header("Location: $admin/index.php?lang=$lang");
die;
}
define('CLI_SCRIPT', false); // prevents some warnings later
define('AJAX_SCRIPT', false); // prevents some warnings later
define('CACHE_DISABLE_ALL', true); // Disables caching.. just in case.
define('PHPUNIT_TEST', false);
define('IGNORE_COMPONENT_CACHE', true);
define('MDL_PERF_TEST', false);
// Servers should define a default timezone in php.ini, but if they don't then make sure something is defined.
if (!function_exists('date_default_timezone_set') or !function_exists('date_default_timezone_get')) {
echo("Timezone functions are not available.");
die;
}
date_default_timezone_set(@date_default_timezone_get());
// make sure PHP errors are displayed - helps with diagnosing of problems
@error_reporting(E_ALL);
@ini_set('display_errors', '1');
// Check that PHP is of a sufficient version.
if (version_compare(phpversion(), '5.6.5') < 0) {
$phpversion = phpversion();
// do NOT localise - lang strings would not work here and we CAN not move it after installib
echo "Moodle 3.2 or later requires at least PHP 5.6.5 (currently using version $phpversion).<br />";
echo "Please upgrade your server software or install older Moodle version.";
die;
}
// make sure iconv is available and actually works
if (!function_exists('iconv')) {
// this should not happen, this must be very borked install
echo 'Moodle requires the iconv PHP extension. Please install or enable the iconv extension.';
die();
}
if (PHP_INT_SIZE > 4) {
// most probably 64bit PHP - we need a lot more memory
$minrequiredmemory = '70M';
} else {
// 32bit PHP
$minrequiredmemory = '40M';
}
// increase or decrease available memory - we need to make sure moodle
// installs even with low memory, otherwise developers would overlook
// sudden increases of memory needs ;-)
@ini_set('memory_limit', $minrequiredmemory);
/** Used by library scripts to check they are being called by Moodle */
define('MOODLE_INTERNAL', true);
require_once(__DIR__.'/lib/classes/component.php');
require_once(__DIR__.'/lib/installlib.php');
// TODO: add lang detection here if empty $_REQUEST['lang']
// distro specific customisation
$distro = null;
if (file_exists('install/distrolib.php')) {
require_once('install/distrolib.php');
if (function_exists('distro_get_config')) {
$distro = distro_get_config();
}
}
$config = new stdClass();
$config->lang = $lang;
if (!empty($_POST)) {
$config->stage = (int)$_POST['stage'];
if (isset($_POST['previous'])) {
$config->stage--;
if (INSTALL_DATABASETYPE and !empty($distro->dbtype)) {
$config->stage--;
}
if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_DOWNLOADLANG) {
$config->stage--;
}
} else if (isset($_POST['next'])) {
$config->stage++;
}
$config->dbtype = trim($_POST['dbtype']);
$config->dbhost = trim($_POST['dbhost']);
$config->dbuser = trim($_POST['dbuser']);
$config->dbpass = trim($_POST['dbpass']);
$config->dbname = trim($_POST['dbname']);
$config->prefix = trim($_POST['prefix']);
$config->dbport = (int)trim($_POST['dbport']);
$config->dbsocket = trim($_POST['dbsocket']);
if ($config->dbport <= 0) {
$config->dbport = '';
}
$config->admin = empty($_POST['admin']) ? 'admin' : trim($_POST['admin']);
$config->dataroot = trim($_POST['dataroot']);
} else {
$config->stage = INSTALL_WELCOME;
$config->dbtype = empty($distro->dbtype) ? '' : $distro->dbtype; // let distro skip dbtype selection
$config->dbhost = empty($distro->dbhost) ? 'localhost' : $distro->dbhost; // let distros set dbhost
$config->dbuser = empty($distro->dbuser) ? '' : $distro->dbuser; // let distros set dbuser
$config->dbpass = '';
$config->dbname = 'moodle';
$config->prefix = 'mdl_';
$config->dbport = empty($distro->dbport) ? '' : $distro->dbport;
$config->dbsocket = empty($distro->dbsocket) ? '' : $distro->dbsocket;
$config->admin = 'admin';
$config->dataroot = empty($distro->dataroot) ? null : $distro->dataroot; // initialised later after including libs or by distro
}
// Fake some settings so that we can use selected functions from moodlelib.php, weblib.php and filelib.php.
global $CFG;
$CFG = new stdClass();
$CFG->lang = $config->lang;
$CFG->dirroot = __DIR__;
$CFG->libdir = "$CFG->dirroot/lib";
$CFG->wwwroot = install_guess_wwwroot(); // can not be changed - ppl must use the real address when installing
$CFG->httpswwwroot = $CFG->wwwroot;
$CFG->dataroot = $config->dataroot;
$CFG->tempdir = $CFG->dataroot.'/temp';
$CFG->cachedir = $CFG->dataroot.'/cache';
$CFG->localcachedir = $CFG->dataroot.'/localcache';
$CFG->admin = $config->admin;
$CFG->docroot = 'http://docs.moodle.org';
$CFG->langotherroot = $CFG->dataroot.'/lang';
$CFG->langlocalroot = $CFG->dataroot.'/lang';
$CFG->directorypermissions = isset($distro->directorypermissions) ? $distro->directorypermissions : 00777; // let distros set dir permissions
$CFG->filepermissions = ($CFG->directorypermissions & 0666);
$CFG->umaskpermissions = (($CFG->directorypermissions & 0777) ^ 0777);
$CFG->running_installer = true;
$CFG->early_install_lang = true;
$CFG->ostype = (stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin')) ? 'WINDOWS' : 'UNIX';
$CFG->debug = (E_ALL | E_STRICT);
$CFG->debugdisplay = true;
$CFG->debugdeveloper = true;
// Require all needed libs
require_once($CFG->libdir.'/setuplib.php');
// we need to make sure we have enough memory to load all libraries
$memlimit = @ini_get('memory_limit');
if (!empty($memlimit) and $memlimit != -1) {
if (get_real_size($memlimit) < get_real_size($minrequiredmemory)) {
// do NOT localise - lang strings would not work here and we CAN not move it to later place
echo "Moodle requires at least {$minrequiredmemory}B of PHP memory.<br />";
echo "Please contact server administrator to fix PHP.ini memory settings.";
die;
}
}
// Continue with lib loading
require_once($CFG->libdir.'/classes/text.php');
require_once($CFG->libdir.'/classes/string_manager.php');
require_once($CFG->libdir.'/classes/string_manager_install.php');
require_once($CFG->libdir.'/classes/string_manager_standard.php');
require_once($CFG->libdir.'/weblib.php');
require_once($CFG->libdir.'/outputlib.php');
require_once($CFG->libdir.'/dmllib.php');
require_once($CFG->libdir.'/moodlelib.php');
require_once($CFG->libdir .'/pagelib.php');
require_once($CFG->libdir.'/deprecatedlib.php');
require_once($CFG->libdir.'/adminlib.php');
require_once($CFG->libdir.'/environmentlib.php');
require_once($CFG->libdir.'/componentlib.class.php');
require_once($CFG->dirroot.'/cache/lib.php');
//point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else
//the problem is that we need specific version of quickforms and hacked excel files :-(
ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));
// Register our classloader, in theory somebody might want to replace it to load other hacked core classes.
// Required because the database checks below lead to session interaction which is going to lead us to requiring autoloaded classes.
if (defined('COMPONENT_CLASSLOADER')) {
spl_autoload_register(COMPONENT_CLASSLOADER);
} else {
spl_autoload_register('core_component::classloader');
}
require('version.php');
$CFG->target_release = $release;
\core\session\manager::init_empty_session();
global $SESSION;
global $USER;
global $COURSE;
$COURSE = new stdClass();
$COURSE->id = 1;
global $SITE;
$SITE = $COURSE;
define('SITEID', 1);
$hint_dataroot = '';
$hint_admindir = '';
$hint_database = '';
// Are we in help mode?
if (isset($_GET['help'])) {
install_print_help_page($_GET['help']);
}
//first time here? find out suitable dataroot
if (is_null($CFG->dataroot)) {
$CFG->dataroot = __DIR__.'/../moodledata';
$i = 0; //safety check - dirname might return some unexpected results
while(is_dataroot_insecure()) {
$parrent = dirname($CFG->dataroot);
$i++;
if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
$CFG->dataroot = ''; //can not find secure location for dataroot
break;
}
$CFG->dataroot = dirname($parrent).DIRECTORY_SEPARATOR.'moodledata';
}
$config->dataroot = $CFG->dataroot;
$config->stage = INSTALL_WELCOME;
}
// now let's do the stage work
if ($config->stage < INSTALL_WELCOME) {
$config->stage = INSTALL_WELCOME;
}
if ($config->stage > INSTALL_SAVE) {
$config->stage = INSTALL_SAVE;
}
if ($config->stage == INSTALL_SAVE) {
$CFG->early_install_lang = false;
$database = moodle_database::get_driver_instance($config->dbtype, 'native');
if (!$database->driver_installed()) {
$config->stage = INSTALL_DATABASETYPE;
} else {
if (function_exists('distro_pre_create_db')) { // Hook for distros needing to do something before DB creation
$distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket), $distro);
}
$hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket));
if ($hint_database === '') {
$configphp = install_generate_configphp($database, $CFG);
umask(0137);
if (($fh = @fopen($configfile, 'w')) !== false) {
fwrite($fh, $configphp);
fclose($fh);
}
if (file_exists($configfile)) {
// config created, let's continue!
redirect("$CFG->wwwroot/$config->admin/index.php?lang=$config->lang");
}
install_print_header($config, 'config.php',
get_string('configurationcompletehead', 'install'),
get_string('configurationcompletesub', 'install').get_string('configfilenotwritten', 'install'), 'alert-error');
echo '<div class="configphp"><pre>';
echo p($configphp);
echo '</pre></div>';
install_print_footer($config);
die;
} else {
$config->stage = INSTALL_DATABASE;
}
}
}
if ($config->stage == INSTALL_DOWNLOADLANG) {
if (empty($CFG->dataroot)) {
$config->stage = INSTALL_PATHS;
} else if (is_dataroot_insecure()) {
$hint_dataroot = get_string('pathsunsecuredataroot', 'install');
$config->stage = INSTALL_PATHS;
} else if (!file_exists($CFG->dataroot)) {
$a = new stdClass();
$a->parent = dirname($CFG->dataroot);
$a->dataroot = $CFG->dataroot;
if (!is_writable($a->parent)) {
$hint_dataroot = get_string('pathsroparentdataroot', 'install', $a);
$config->stage = INSTALL_PATHS;
} else {
if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
$hint_dataroot = get_string('pathserrcreatedataroot', 'install', $a);
$config->stage = INSTALL_PATHS;
}
}
} else if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
$hint_dataroot = get_string('pathserrcreatedataroot', 'install', array('dataroot' => $CFG->dataroot));
$config->stage = INSTALL_PATHS;
}
if (empty($hint_dataroot) and !is_writable($CFG->dataroot)) {
$hint_dataroot = get_string('pathsrodataroot', 'install');
$config->stage = INSTALL_PATHS;
}
if ($config->admin === '' or !file_exists($CFG->dirroot.'/'.$config->admin.'/environment.xml')) {
$hint_admindir = get_string('pathswrongadmindir', 'install');
$config->stage = INSTALL_PATHS;
}
}
if ($config->stage == INSTALL_DOWNLOADLANG) {
// no need to download anything if en lang selected
if ($CFG->lang == 'en') {
$config->stage = INSTALL_DATABASETYPE;
}
}
if ($config->stage == INSTALL_DATABASETYPE) {
// skip db selection if distro package supports only one db
if (!empty($distro->dbtype)) {
$config->stage = INSTALL_DATABASE;
}
}
if ($config->stage == INSTALL_DOWNLOADLANG) {
$downloaderror = '';
// download and install required lang packs, the lang dir has already been created in install_init_dataroot
$installer = new lang_installer($CFG->lang);
$results = $installer->run();
foreach ($results as $langcode => $langstatus) {
if ($langstatus === lang_installer::RESULT_DOWNLOADERROR) {
$a = new stdClass();
$a->url = $installer->lang_pack_url($langcode);
$a->dest = $CFG->dataroot.'/lang';
$downloaderror = get_string('remotedownloaderror', 'error', $a);
}
}
if ($downloaderror !== '') {
install_print_header($config, get_string('language'), get_string('langdownloaderror', 'install', $CFG->lang), $downloaderror);
install_print_footer($config);
die;
} else {
if (empty($distro->dbtype)) {
$config->stage = INSTALL_DATABASETYPE;
} else {
$config->stage = INSTALL_DATABASE;
}
}
// switch the string_manager instance to stop using install/lang/
$CFG->early_install_lang = false;
$CFG->langotherroot = $CFG->dataroot.'/lang';
$CFG->langlocalroot = $CFG->dataroot.'/lang';
get_string_manager(true);
}
if ($config->stage == INSTALL_DATABASE) {
$CFG->early_install_lang = false;
$database = moodle_database::get_driver_instance($config->dbtype, 'native');
$sub = '<h3>'.$database->get_name().'</h3>'.$database->get_configuration_help();
install_print_header($config, get_string('database', 'install'), get_string('databasehead', 'install'), $sub);
$strdbhost = get_string('databasehost', 'install');
$strdbname = get_string('databasename', 'install');
$strdbuser = get_string('databaseuser', 'install');
$strdbpass = get_string('databasepass', 'install');
$strprefix = get_string('dbprefix', 'install');
$strdbport = get_string('databaseport', 'install');
$strdbsocket = get_string('databasesocket', 'install');
echo '<div class="userinput">';
$disabled = empty($distro->dbhost) ? '' : 'disabled="disabled';
echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbhost">'.$strdbhost.'</label></div>';
echo '<div class="fitemelement"><input id="id_dbhost" name="dbhost" '.$disabled.' type="text" value="'.s($config->dbhost).'" size="50" /></div>';
echo '</div>';
echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbname">'.$strdbname.'</label></div>';
echo '<div class="fitemelement"><input id="id_dbname" name="dbname" type="text" value="'.s($config->dbname).'" size="50" /></div>';
echo '</div>';
$disabled = empty($distro->dbuser) ? '' : 'disabled="disabled';
echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbuser">'.$strdbuser.'</label></div>';
echo '<div class="fitemelement"><input id="id_dbuser" name="dbuser" '.$disabled.' type="text" value="'.s($config->dbuser).'" size="50" /></div>';
echo '</div>';
echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbpass">'.$strdbpass.'</label></div>';
// no password field here, the password may be visible in config.php if we can not write it to disk
echo '<div class="fitemelement"><input id="id_dbpass" name="dbpass" type="text" value="'.s($config->dbpass).'" size="50" /></div>';
echo '</div>';
echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strprefix.'</label></div>';
echo '<div class="fitemelement"><input id="id_prefix" name="prefix" type="text" value="'.s($config->prefix).'" size="10" /></div>';
echo '</div>';
echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strdbport.'</label></div>';
echo '<div class="fitemelement"><input id="id_dbport" name="dbport" type="text" value="'.s($config->dbport).'" size="10" /></div>';
echo '</div>';
if (!(stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin'))) {
echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbsocket">'.$strdbsocket.'</label></div>';
echo '<div class="fitemelement"><input id="id_dbsocket" name="dbsocket" type="text" value="'.s($config->dbsocket).'" size="50" /></div>';
echo '</div>';
}
if ($hint_database !== '') {
echo '<div class="alert alert-error">'.$hint_database.'</div>';
}
echo '</div>';
install_print_footer($config);
die;
}
if ($config->stage == INSTALL_DATABASETYPE) {
$CFG->early_install_lang = false;
// Finally ask for DB type
install_print_header($config, get_string('database', 'install'),
get_string('databasetypehead', 'install'),
get_string('databasetypesub', 'install'));
$databases = array('mysqli' => moodle_database::get_driver_instance('mysqli', 'native'),
'mariadb'=> moodle_database::get_driver_instance('mariadb', 'native'),
'pgsql' => moodle_database::get_driver_instance('pgsql', 'native'),
'oci' => moodle_database::get_driver_instance('oci', 'native'),
'sqlsrv' => moodle_database::get_driver_instance('sqlsrv', 'native'), // MS SQL*Server PHP driver
'mssql' => moodle_database::get_driver_instance('mssql', 'native'), // FreeTDS driver
);
echo '<div class="userinput">';
echo '<div class="fitem"><div class="fitemtitle"><label for="dbtype">'.get_string('dbtype', 'install').'</label></div>';
echo '<div class="fitemelement"><select id="dbtype" name="dbtype">';
$disabled = array();
$options = array();
foreach ($databases as $type=>$database) {
if ($database->driver_installed() !== true) {
$disabled[$type] = $database;
continue;
}
echo '<option value="'.s($type).'">'.$database->get_name().'</option>';
}
if ($disabled) {
echo '<optgroup label="'.s(get_string('notavailable')).'">';
foreach ($disabled as $type=>$database) {
echo '<option value="'.s($type).'" class="notavailable">'.$database->get_name().'</option>';
}
echo '</optgroup>';
}
echo '</select></div></div>';
echo '</div>';
install_print_footer($config);
die;
}
if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
$curl_fail = ($lang !== 'en' and !extension_loaded('curl')); // needed for lang pack download
$zip_fail = ($lang !== 'en' and !extension_loaded('zip')); // needed for lang pack download
if ($curl_fail or $zip_fail) {
$config->stage = INSTALL_ENVIRONMENT;
install_print_header($config, get_string('environmenthead', 'install'),
get_string('errorsinenvironment', 'install'),
get_string('environmentsub2', 'install'));
echo '<div id="envresult"><dl>';
if ($curl_fail) {
echo '<dt>'.get_string('phpextension', 'install', 'cURL').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
}
if ($zip_fail) {
echo '<dt>'.get_string('phpextension', 'install', 'Zip').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
}
echo '</dl></div>';
install_print_footer($config, true);
die;
} else {
$config->stage = INSTALL_PATHS;
}
}
if ($config->stage == INSTALL_PATHS) {
$paths = array('wwwroot' => get_string('wwwroot', 'install'),
'dirroot' => get_string('dirroot', 'install'),
'dataroot' => get_string('dataroot', 'install'));
$sub = '<dl>';
foreach ($paths as $path=>$name) {
$sub .= '<dt>'.$name.'</dt><dd>'.get_string('pathssub'.$path, 'install').'</dd>';
}
if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
$sub .= '<dt>'.get_string('admindirname', 'install').'</dt><dd>'.get_string('pathssubadmindir', 'install').'</dd>';
}
$sub .= '</dl>';
install_print_header($config, get_string('paths', 'install'), get_string('pathshead', 'install'), $sub);
$strwwwroot = get_string('wwwroot', 'install');
$strdirroot = get_string('dirroot', 'install');
$strdataroot = get_string('dataroot', 'install');
$stradmindirname = get_string('admindirname', 'install');
echo '<div class="userinput">';
echo '<div class="fitem"><div class="fitemtitle"><label for="id_wwwroot">'.$paths['wwwroot'].'</label></div>';
echo '<div class="fitemelement"><input id="id_wwwroot" name="wwwroot" type="text" value="'.s($CFG->wwwroot).'" disabled="disabled" size="70" /></div>';
echo '</div>';
echo '<div class="fitem"><div class="fitemtitle"><label for="id_dirroot">'.$paths['dirroot'].'</label></div>';
echo '<div class="fitemelement"><input id="id_dirroot" name="dirroot" type="text" value="'.s($CFG->dirroot).'" disabled="disabled" size="70" /></div>';
echo '</div>';
echo '<div class="fitem"><div class="fitemtitle"><label for="id_dataroot">'.$paths['dataroot'].'</label></div>';
echo '<div class="fitemelement"><input id="id_dataroot" name="dataroot" type="text" value="'.s($config->dataroot).'" size="70" /></div>';
if ($hint_dataroot !== '') {
echo '<div class="alert alert-error">'.$hint_dataroot.'</div>';
}
echo '</div>';
if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
echo '<div class="fitem"><div class="fitemtitle"><label for="id_admin">'.$paths['admindir'].'</label></div>';
echo '<div class="fitemelement"><input id="id_admin" name="admin" type="text" value="'.s($config->admin).'" size="10" /></div>';
if ($hint_admindir !== '') {
echo '<div class="alert alert-error">'.$hint_admindir.'</div>';
}
echo '</div>';
}
echo '</div>';
install_print_footer($config);
die;
}
$config->stage = INSTALL_WELCOME;
if ($distro) {
ob_start();
include('install/distribution.html');
$sub = ob_get_clean();
install_print_header($config, get_string('language'),
get_string('chooselanguagehead', 'install'),
$sub, 'alert-success');
} else {
install_print_header($config, get_string('language'),
get_string('chooselanguagehead', 'install'),
get_string('chooselanguagesub', 'install'));
}
$languages = get_string_manager()->get_list_of_translations();
echo '<div class="userinput">';
echo '<div class="fitem"><div class="fitemtitle"><label for="langselect">'.get_string('language').'</label></div>';
echo '<div class="fitemelement"><select id="langselect" name="lang" >
foreach ($languages as $name=>$value) {
$selected = ($name == $CFG->lang) ? 'selected="selected"' : '';
echo '<option value="'.s($name).'" '.$selected.'>'.$value.'</option>';
}
echo '</select></div></div>';
echo '</div>';
install_print_footer($config);
die;