install.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * This script creates config.php file during installation.
  20  *
  21  * @package    core
  22  * @subpackage install
  23  * @copyright  2009 Petr Skoda (http://skodak.org)
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 if (isset($_REQUEST['lang'])) {
  28     $lang = preg_replace('/[^A-Za-z0-9_-]/i', '', $_REQUEST['lang']);
  29 } else {
  30     $lang = 'en';
  31 }
  32
  33 if (isset($_REQUEST['admin'])) {
  34     $admin = preg_replace('/[^A-Za-z0-9_-]/i', '', $_REQUEST['admin']);
  35 } else {
  36     $admin = 'admin';
  37 }
  38
  39 // If config.php exists we just created config.php and need to redirect to continue installation
  40 $configfile = './config.php';
  41 if (file_exists($configfile)) {
  42     header("Location: $admin/index.php?lang=$lang");
  43     die;
  44 }
  45
  46 define('CLI_SCRIPT', false); // prevents some warnings later
  47 define('AJAX_SCRIPT', false); // prevents some warnings later
  48
  49 // Servers should define a default timezone in php.ini, but if they don't then make sure something is defined.
  50 // This is a quick hack.  Ideally we should ask the admin for a value.  See MDL-22625 for more on this.
  51 if (function_exists('date_default_timezone_set') and function_exists('date_default_timezone_get')) {
  52     @date_default_timezone_set(@date_default_timezone_get());
  53 }
  54
  55 // make sure PHP errors are displayed - helps with diagnosing of problems
  56 @error_reporting(E_ALL);
  57 @ini_set('display_errors', '1');
  58
  59 // Check that PHP is of a sufficient version.
  60 if (version_compare(phpversion(), '5.3.2') < 0) {
  61     $phpversion = phpversion();
  62     // do NOT localise - lang strings would not work here and we CAN not move it after installib
  63     echo "Moodle 2.1 or later requires at least PHP 5.3.2 (currently using version $phpversion).<br />";
  64     echo "Please upgrade your server software or install older Moodle version.";
  65     die;
  66 }
  67
  68 // make sure iconv is available and actually works
  69 if (!function_exists('iconv')) {
  70     // this should not happen, this must be very borked install
  71     echo 'Moodle requires the iconv PHP extension. Please install or enable the iconv extension.';
  72     die();
  73 }
  74
  75 if (PHP_INT_SIZE > 4) {
  76     // most probably 64bit PHP - we need a lot more memory
  77     $minrequiredmemory = '70M';
  78 } else {
  79     // 32bit PHP
  80     $minrequiredmemory = '40M';
  81 }
  82 // increase or decrease available memory - we need to make sure moodle
  83 // installs even with low memory, otherwise developers would overlook
  84 // sudden increases of memory needs ;-)
  85 @ini_set('memory_limit', $minrequiredmemory);
  86
  87 /** Used by library scripts to check they are being called by Moodle */
  88 define('MOODLE_INTERNAL', true);
  89
  90 require dirname(__FILE__).'/lib/installlib.php';
  91
  92 // TODO: add lang detection here if empty $_REQUEST['lang']
  93
  94 // distro specific customisation
  95 $distro = null;
  96 if (file_exists('install/distrolib.php')) {
  97     require_once('install/distrolib.php');
  98     if (function_exists('distro_get_config')) {
  99         $distro = distro_get_config();
 100     }
 101 }
 102
 103 $config = new stdClass();
 104 $config->lang = $lang;
 105
 106 if (!empty($_POST)) {
 107     if (install_ini_get_bool('magic_quotes_gpc')) {
 108         $_POST = array_map('stripslashes', $_POST);
 109     }
 110
 111     $config->stage = (int)$_POST['stage'];
 112
 113     if (isset($_POST['previous'])) {
 114         $config->stage--;
 115         if (INSTALL_DATABASETYPE and !empty($distro->dbtype)) {
 116             $config->stage--;
 117         }
 118         if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_DOWNLOADLANG) {
 119             $config->stage--;
 120         }
 121     } else if (isset($_POST['next'])) {
 122         $config->stage++;
 123     }
 124
 125     $config->dbtype   = trim($_POST['dbtype']);
 126     $config->dbhost   = trim($_POST['dbhost']);
 127     $config->dbuser   = trim($_POST['dbuser']);
 128     $config->dbpass   = trim($_POST['dbpass']);
 129     $config->dbname   = trim($_POST['dbname']);
 130     $config->prefix   = trim($_POST['prefix']);
 131     $config->dbsocket = (int)(!empty($_POST['dbsocket']));
 132
 133     $config->admin    = empty($_POST['admin']) ? 'admin' : trim($_POST['admin']);
 134
 135     $config->dataroot = trim($_POST['dataroot']);
 136
 137 } else {
 138     $config->stage    = INSTALL_WELCOME;
 139
 140     $config->dbtype   = empty($distro->dbtype) ? '' : $distro->dbtype; // let distro skip dbtype selection
 141     $config->dbhost   = empty($distro->dbhost) ? 'localhost' : $distro->dbhost; // let distros set dbhost
 142     $config->dbuser   = empty($distro->dbuser) ? '' : $distro->dbuser; // let distros set dbuser
 143     $config->dbpass   = '';
 144     $config->dbname   = 'moodle';
 145     $config->prefix   = 'mdl_';
 146     $config->dbsocket = 0;
 147
 148     $config->admin    = 'admin';
 149
 150     $config->dataroot = empty($distro->dataroot) ? null  : $distro->dataroot; // initialised later after including libs or by distro
 151 }
 152
 153 // Fake some settings so that we can use selected functions from moodlelib.php and weblib.php
 154 $CFG = new stdClass();
 155 $CFG->lang                 = $config->lang;
 156 $CFG->dirroot              = dirname(__FILE__);
 157 $CFG->libdir               = "$CFG->dirroot/lib";
 158 $CFG->wwwroot              = install_guess_wwwroot(); // can not be changed - ppl must use the real address when installing
 159 $CFG->httpswwwroot         = $CFG->wwwroot;
 160 $CFG->dataroot             = $config->dataroot;
 161 $CFG->tempdir              = $CFG->dataroot.'/temp';
 162 $CFG->cachedir             = $CFG->dataroot.'/cache';
 163 $CFG->admin                = $config->admin;
 164 $CFG->docroot              = 'http://docs.moodle.org';
 165 $CFG->langotherroot        = $CFG->dataroot.'/lang';
 166 $CFG->langlocalroot        = $CFG->dataroot.'/lang';
 167 $CFG->directorypermissions = isset($distro->directorypermissions) ? $distro->directorypermissions : 00777; // let distros set dir permissions
 168 $CFG->running_installer    = true;
 169 $CFG->early_install_lang   = true;
 170
 171 // Require all needed libs
 172 require_once($CFG->libdir.'/setuplib.php');
 173
 174 // we need to make sure we have enough memory to load all libraries
 175 $memlimit = @ini_get('memory_limit');
 176 if (!empty($memlimit) and $memlimit != -1) {
 177     if (get_real_size($memlimit) < get_real_size($minrequiredmemory)) {
 178         // do NOT localise - lang strings would not work here and we CAN not move it to later place
 179         echo "Moodle requires at least {$minrequiredmemory}B of PHP memory.<br />";
 180         echo "Please contact server administrator to fix PHP.ini memory settings.";
 181         die;
 182     }
 183 }
 184
 185 // Continue with lib loading
 186 require_once($CFG->libdir.'/textlib.class.php');
 187 require_once($CFG->libdir.'/weblib.php');
 188 require_once($CFG->libdir.'/outputlib.php');
 189 require_once($CFG->libdir.'/dmllib.php');
 190 require_once($CFG->libdir.'/moodlelib.php');
 191 require_once($CFG->libdir .'/pagelib.php');
 192 require_once($CFG->libdir.'/deprecatedlib.php');
 193 require_once($CFG->libdir.'/adminlib.php');
 194 require_once($CFG->libdir.'/environmentlib.php');
 195 require_once($CFG->libdir.'/componentlib.class.php');
 196 require_once($CFG->dirroot.'/cache/lib.php');
 197
 198 //point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else
 199 //the problem is that we need specific version of quickforms and hacked excel files :-(
 200 ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));
 201 //point zend include path to moodles lib/zend so that includes and requires will search there for files before anywhere else
 202 ini_set('include_path', $CFG->libdir.'/zend' . PATH_SEPARATOR . ini_get('include_path'));
 203
 204 require('version.php');
 205 $CFG->target_release = $release;
 206
 207 $SESSION = new stdClass();
 208 $SESSION->lang = $CFG->lang;
 209
 210 $USER = new stdClass();
 211 $USER->id = 0;
 212
 213 $COURSE = new stdClass();
 214 $COURSE->id = 0;
 215
 216 $SITE = $COURSE;
 217 define('SITEID', 0);
 218
 219 $hint_dataroot = '';
 220 $hint_admindir = '';
 221 $hint_database = '';
 222
 223 // Are we in help mode?
 224 if (isset($_GET['help'])) {
 225     install_print_help_page($_GET['help']);
 226 }
 227
 228 //first time here? find out suitable dataroot
 229 if (is_null($CFG->dataroot)) {
 230     $CFG->dataroot = dirname(dirname(__FILE__)).DIRECTORY_SEPARATOR.'moodledata';
 231
 232     $i = 0; //safety check - dirname might return some unexpected results
 233     while(is_dataroot_insecure()) {
 234         $parrent = dirname($CFG->dataroot);
 235         $i++;
 236         if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
 237             $CFG->dataroot = ''; //can not find secure location for dataroot
 238             break;
 239         }
 240         $CFG->dataroot = dirname($parrent).DIRECTORY_SEPARATOR.'moodledata';
 241     }
 242     $config->dataroot = $CFG->dataroot;
 243     $config->stage    = INSTALL_WELCOME;
 244 }
 245
 246 // now let's do the stage work
 247 if ($config->stage < INSTALL_WELCOME) {
 248     $config->stage = INSTALL_WELCOME;
 249 }
 250 if ($config->stage > INSTALL_SAVE) {
 251     $config->stage = INSTALL_SAVE;
 252 }
 253
 254
 255
 256 if ($config->stage == INSTALL_SAVE) {
 257     $CFG->early_install_lang = false;
 258
 259     $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 260     if (!$database->driver_installed()) {
 261         $config->stage = INSTALL_DATABASETYPE;
 262     } else {
 263         if (function_exists('distro_pre_create_db')) { // Hook for distros needing to do something before DB creation
 264             $distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbsocket'=>$config->dbsocket), $distro);
 265         }
 266         $hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbsocket'=>$config->dbsocket));
 267
 268         if ($hint_database === '') {
 269             $configphp = install_generate_configphp($database, $CFG);
 270
 271             umask(0137);
 272             if (($fh = @fopen($configfile, 'w')) !== false) {
 273                 fwrite($fh, $configphp);
 274                 fclose($fh);
 275             }
 276
 277             if (file_exists($configfile)) {
 278                 // config created, let's continue!
 279                 redirect("$CFG->wwwroot/$config->admin/index.php?lang=$config->lang");
 280             }
 281
 282             install_print_header($config, 'config.php',
 283                                           get_string('configurationcompletehead', 'install'),
 284                                           get_string('configurationcompletesub', 'install').get_string('configfilenotwritten', 'install'));
 285             echo '<div class="configphp"><pre>';
 286             echo p($configphp);
 287             echo '</pre></div>';
 288
 289             install_print_footer($config);
 290             die;
 291
 292         } else {
 293             $config->stage = INSTALL_DATABASE;
 294         }
 295     }
 296 }
 297
 298
 299
 300 if ($config->stage == INSTALL_DOWNLOADLANG) {
 301     if (empty($CFG->dataroot)) {
 302         $config->stage = INSTALL_PATHS;
 303
 304     } else if (is_dataroot_insecure()) {
 305         $hint_dataroot = get_string('pathsunsecuredataroot', 'install');
 306         $config->stage = INSTALL_PATHS;
 307
 308     } else if (!file_exists($CFG->dataroot)) {
 309         $a = new stdClass();
 310         $a->parent = dirname($CFG->dataroot);
 311         $a->dataroot = $CFG->dataroot;
 312         if (!is_writable($a->parent)) {
 313             $hint_dataroot = get_string('pathsroparentdataroot', 'install', $a);
 314             $config->stage = INSTALL_PATHS;
 315         } else {
 316             if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
 317                 $hint_dataroot = get_string('pathserrcreatedataroot', 'install', $a);
 318                 $config->stage = INSTALL_PATHS;
 319             }
 320         }
 321
 322     } else if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
 323         $hint_dataroot = get_string('pathserrcreatedataroot', 'install', array('dataroot' => $CFG->dataroot));
 324         $config->stage = INSTALL_PATHS;
 325     }
 326
 327     if (empty($hint_dataroot) and !is_writable($CFG->dataroot)) {
 328         $hint_dataroot = get_string('pathsrodataroot', 'install');
 329         $config->stage = INSTALL_PATHS;
 330     }
 331
 332     if ($config->admin === '' or !file_exists($CFG->dirroot.'/'.$config->admin.'/environment.xml')) {
 333         $hint_admindir = get_string('pathswrongadmindir', 'install');
 334         $config->stage = INSTALL_PATHS;
 335     }
 336 }
 337
 338
 339
 340 if ($config->stage == INSTALL_DOWNLOADLANG) {
 341     // no need to download anything if en lang selected
 342     if ($CFG->lang == 'en') {
 343         $config->stage = INSTALL_DATABASETYPE;
 344     }
 345 }
 346
 347
 348
 349 if ($config->stage == INSTALL_DATABASETYPE) {
 350     // skip db selection if distro package supports only one db
 351     if (!empty($distro->dbtype)) {
 352         $config->stage = INSTALL_DATABASE;
 353     }
 354 }
 355
 356
 357 if ($config->stage == INSTALL_DOWNLOADLANG) {
 358     $downloaderror = '';
 359
 360     // download and install required lang packs, the lang dir has already been created in install_init_dataroot
 361     $installer = new lang_installer($CFG->lang);
 362     $results = $installer->run();
 363     foreach ($results as $langcode => $langstatus) {
 364         if ($langstatus === lang_installer::RESULT_DOWNLOADERROR) {
 365             $a       = new stdClass();
 366             $a->url  = $installer->lang_pack_url($langcode);
 367             $a->dest = $CFG->dataroot.'/lang';
 368             $downloaderror = get_string('remotedownloaderror', 'error', $a);
 369         }
 370     }
 371
 372     if ($downloaderror !== '') {
 373         install_print_header($config, get_string('language'), get_string('langdownloaderror', 'install', $CFG->lang), $downloaderror);
 374         install_print_footer($config);
 375         die;
 376     } else {
 377         if (empty($distro->dbtype)) {
 378             $config->stage = INSTALL_DATABASETYPE;
 379         } else {
 380             $config->stage = INSTALL_DATABASE;
 381         }
 382     }
 383
 384     // switch the string_manager instance to stop using install/lang/
 385     $CFG->early_install_lang = false;
 386     $CFG->langotherroot      = $CFG->dataroot.'/lang';
 387     $CFG->langlocalroot      = $CFG->dataroot.'/lang';
 388     get_string_manager(true);
 389 }
 390
 391
 392 if ($config->stage == INSTALL_DATABASE) {
 393     $CFG->early_install_lang = false;
 394
 395     $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 396
 397     $sub = '<h3>'.$database->get_name().'</h3>'.$database->get_configuration_help();
 398
 399     install_print_header($config, get_string('database', 'install'), get_string('databasehead', 'install'), $sub);
 400
 401     $strdbhost   = get_string('databasehost', 'install');
 402     $strdbname   = get_string('databasename', 'install');
 403     $strdbuser   = get_string('databaseuser', 'install');
 404     $strdbpass   = get_string('databasepass', 'install');
 405     $strprefix   = get_string('dbprefix', 'install');
 406     $strdbsocket = get_string('databasesocket', 'install');
 407
 408     echo '<div class="userinput">';
 409
 410     $disabled = empty($distro->dbhost) ? '' : 'disabled="disabled';
 411     echo '<div class="formrow"><label for="id_dbhost" class="formlabel">'.$strdbhost.'</label>';
 412     echo '<input id="id_dbhost" name="dbhost" '.$disabled.' type="text" value="'.s($config->dbhost).'" size="50" class="forminput" />';
 413     echo '</div>';
 414
 415     echo '<div class="formrow"><label for="id_dbname" class="formlabel">'.$strdbname.'</label>';
 416     echo '<input id="id_dbname" name="dbname" type="text" value="'.s($config->dbname).'" size="50" class="forminput" />';
 417     echo '</div>';
 418
 419     $disabled = empty($distro->dbuser) ? '' : 'disabled="disabled';
 420     echo '<div class="formrow"><label for="id_dbuser" class="formlabel">'.$strdbuser.'</label>';
 421     echo '<input id="id_dbuser" name="dbuser" '.$disabled.' type="text" value="'.s($config->dbuser).'" size="50" class="forminput" />';
 422     echo '</div>';
 423
 424     echo '<div class="formrow"><label for="id_dbpass" class="formlabel">'.$strdbpass.'</label>';
 425     // no password field here, the password may be visible in config.php if we can not write it to disk
 426     echo '<input id="id_dbpass" name="dbpass" type="text" value="'.s($config->dbpass).'" size="50" class="forminput" />';
 427     echo '</div>';
 428
 429     echo '<div class="formrow"><label for="id_prefix" class="formlabel">'.$strprefix.'</label>';
 430     echo '<input id="id_prefix" name="prefix" type="text" value="'.s($config->prefix).'" size="10" class="forminput" />';
 431     echo '</div>';
 432
 433     if (!(stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin'))) {
 434         $checked = $config->dbsocket ? 'checked="checked' : '';
 435         echo '<div class="formrow"><label for="id_dbsocket" class="formlabel">'.$strdbsocket.'</label>';
 436         echo '<input type="hidden" value="0" name="dbsocket" />';
 437         echo '<input type="checkbox" id="id_dbsocket" value="1" name="dbsocket" '.$checked.' class="forminput" />';
 438         echo '</div>';
 439     }
 440
 441     echo '<div class="hint">'.$hint_database.'</div>';
 442     echo '</div>';
 443     install_print_footer($config);
 444     die;
 445 }
 446
 447
 448 if ($config->stage == INSTALL_DATABASETYPE) {
 449     $CFG->early_install_lang = false;
 450
 451     // Finally ask for DB type
 452     install_print_header($config, get_string('database', 'install'),
 453                                   get_string('databasetypehead', 'install'),
 454                                   get_string('databasetypesub', 'install'));
 455
 456     $databases = array('mysqli' => moodle_database::get_driver_instance('mysqli', 'native'),
 457                        'pgsql'  => moodle_database::get_driver_instance('pgsql',  'native'),
 458                        'oci'    => moodle_database::get_driver_instance('oci',    'native'),
 459                        'sqlsrv' => moodle_database::get_driver_instance('sqlsrv', 'native'), // MS SQL*Server PHP driver
 460                        'mssql'  => moodle_database::get_driver_instance('mssql',  'native'), // FreeTDS driver
 461                       );
 462
 463     echo '<div class="userinput">';
 464     echo '<div class="formrow"><label class="formlabel" for="dbtype">'.get_string('dbtype', 'install').'</label>';
 465     echo '<select id="dbtype" name="dbtype" class="forminput">';
 466     $disabled = array();
 467     $options = array();
 468     foreach ($databases as $type=>$database) {
 469         if ($database->driver_installed() !== true) {
 470             $disabled[$type] = $database;
 471             continue;
 472         }
 473         echo '<option value="'.s($type).'">'.$database->get_name().'</option>';
 474     }
 475     if ($disabled) {
 476         echo '<optgroup label="'.s(get_string('notavailable')).'">';
 477         foreach ($disabled as $type=>$database) {
 478             echo '<option value="'.s($type).'" class="notavailable">'.$database->get_name().'</option>';
 479         }
 480         echo '</optgroup>';
 481     }
 482     echo '</select></div>';
 483     echo '</div>';
 484
 485     install_print_footer($config);
 486     die;
 487 }
 488
 489
 490
 491 if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
 492     $version_fail = (version_compare(phpversion(), "5.3.2") < 0);
 493     $curl_fail    = ($lang !== 'en' and !extension_loaded('curl')); // needed for lang pack download
 494     $zip_fail     = ($lang !== 'en' and !extension_loaded('zip'));  // needed for lang pack download
 495
 496     if ($version_fail or $curl_fail or $zip_fail) {
 497         $config->stage = INSTALL_ENVIRONMENT;
 498
 499         install_print_header($config, get_string('environmenthead', 'install'),
 500                                       get_string('errorsinenvironment', 'install'),
 501                                       get_string('environmentsub2', 'install'));
 502
 503         echo '<div id="envresult"><dl>';
 504         if ($version_fail) {
 505             $a = (object)array('needed'=>'5.3.2', 'current'=>phpversion());
 506             echo '<dt>'.get_string('phpversion', 'install').'</dt><dd>'.get_string('environmentrequireversion', 'admin', $a).'</dd>';
 507         }
 508         if ($curl_fail) {
 509             echo '<dt>'.get_string('phpextension', 'install', 'cURL').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 510         }
 511         if ($zip_fail) {
 512             echo '<dt>'.get_string('phpextension', 'install', 'Zip').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 513         }
 514         echo '</dl></div>';
 515
 516         install_print_footer($config, true);
 517         die;
 518
 519     } else {
 520         $config->stage = INSTALL_PATHS;
 521     }
 522 }
 523
 524
 525
 526 if ($config->stage == INSTALL_PATHS) {
 527     $paths = array('wwwroot'  => get_string('wwwroot', 'install'),
 528                    'dirroot'  => get_string('dirroot', 'install'),
 529                    'dataroot' => get_string('dataroot', 'install'));
 530
 531     $sub = '<dl>';
 532     foreach ($paths as $path=>$name) {
 533         $sub .= '<dt>'.$name.'</dt><dd>'.get_string('pathssub'.$path, 'install').'</dd>';
 534     }
 535     if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
 536         $sub .= '<dt>'.get_string('admindirname', 'install').'</dt><dd>'.get_string('pathssubadmindir', 'install').'</dd>';
 537     }
 538     $sub .= '</dl>';
 539
 540     install_print_header($config, get_string('paths', 'install'), get_string('pathshead', 'install'), $sub);
 541
 542     $strwwwroot      = get_string('wwwroot', 'install');
 543     $strdirroot      = get_string('dirroot', 'install');
 544     $strdataroot     = get_string('dataroot', 'install');
 545     $stradmindirname = get_string('admindirname', 'install');
 546
 547     echo '<div class="userinput">';
 548     echo '<div class="formrow"><label for="id_wwwroot" class="formlabel">'.$paths['wwwroot'].'</label>';
 549     echo '<input id="id_wwwroot" name="wwwroot" type="text" value="'.s($CFG->wwwroot).'" disabled="disabled" size="70" class="forminput" />';
 550     echo '</div>';
 551
 552     echo '<div class="formrow"><label for="id_dirroot" class="formlabel">'.$paths['dirroot'].'</label>';
 553     echo '<input id="id_dirroot" name="dirroot" type="text" value="'.s($CFG->dirroot).'" disabled="disabled" size="70"class="forminput" />';
 554     echo '</div>';
 555
 556     echo '<div class="formrow"><label for="id_dataroot" class="formlabel">'.$paths['dataroot'].'</label>';
 557     echo '<input id="id_dataroot" name="dataroot" type="text" value="'.s($config->dataroot).'" size="70" class="forminput" />';
 558     if ($hint_dataroot !== '') {
 559         echo '<div class="hint">'.$hint_dataroot.'</div>';
 560     }
 561     echo '</div>';
 562
 563
 564     if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
 565         echo '<div class="formrow"><label for="id_admin" class="formlabel">'.$paths['admindir'].'</label>';
 566         echo '<input id="id_admin" name="admin" type="text" value="'.s($config->admin).'" size="10" class="forminput" />';
 567         if ($hint_admindir !== '') {
 568             echo '<div class="hint">'.$hint_admindir.'</div>';
 569         }
 570         echo '</div>';
 571     }
 572
 573     echo '</div>';
 574
 575     install_print_footer($config);
 576     die;
 577 }
 578
 579
 580
 581 $config->stage = INSTALL_WELCOME;
 582
 583 if ($distro) {
 584     ob_start();
 585     include('install/distribution.html');
 586     $sub = ob_get_clean();
 587
 588     install_print_header($config, get_string('language'),
 589                                   get_string('chooselanguagehead', 'install'),
 590                                   $sub);
 591
 592 } else {
 593     install_print_header($config, get_string('language'),
 594                                   get_string('chooselanguagehead', 'install'),
 595                                   get_string('chooselanguagesub', 'install'));
 596 }
 597
 598 $languages = get_string_manager()->get_list_of_translations();
 599 echo '<div class="userinput">';
 600 echo '<div class="formrow"><label class="formlabel" for="langselect">'.get_string('language').'</label>';
 601 echo '<select id="langselect" name="lang" class="forminput" onchange="this.form.submit()">';
 602 foreach ($languages as $name=>$value) {
 603     $selected = ($name == $CFG->lang) ? 'selected="selected"' : '';
 604     echo '<option value="'.s($name).'" '.$selected.'>'.$value.'</option>';
 605 }
 606 echo '</select></div>';
 607 echo '</div>';
 608
 609 install_print_footer($config);
 610 die;
 611