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    moodlecore
  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 // make sure PHP errors are displayed - helps with diagnosing of problems
  50 @error_reporting(E_ALL);
  51 @ini_set('display_errors', '1');
  52
  53 // Check that PHP is of a sufficient version
  54 // PHP 5.2.0 is intentionally checked here even though a higher version is required by the environment
  55 // check. This is not a typo - see MDL-18112
  56 if (version_compare(phpversion(), "5.2.0") < 0) {
  57     $phpversion = phpversion();
  58     // do NOT localise - lang strings would not work here and we CAN not move it after installib
  59     echo "Sorry, Moodle 2.0 requires PHP 5.2.8 or later (currently using version $phpversion).<br />";
  60     echo "Please upgrade your server software or install latest Moodle 1.9.x instead.";
  61     die;
  62 }
  63
  64 if (PHP_INT_SIZE > 4) {
  65     // most probably 64bit PHP - we need a lot more memory
  66     $minrequiredmemory = '70M';
  67 } else {
  68     // 32bit PHP
  69     $minrequiredmemory = '40M';
  70 }
  71 // increase or decrease available memory - we need to make sure moodle
  72 // installs even with low memory, otherwise developers would overlook
  73 // sudden increases of memory needs ;-)
  74 @ini_set('memory_limit', $minrequiredmemory);
  75
  76 require dirname(__FILE__).'/lib/installlib.php';
  77
  78 // TODO: add lang detection here if empty $_REQUEST['lang']
  79
  80 // distro specific customisation
  81 $distro = null;
  82 if (file_exists('install/distrolib.php')) {
  83     require_once('install/distrolib.php');
  84     if (function_exists('distro_get_config')) {
  85         $distro = distro_get_config();
  86     }
  87 }
  88
  89 $config = new stdClass();
  90 $config->lang = $lang;
  91
  92 if (!empty($_POST)) {
  93     if (install_ini_get_bool('magic_quotes_gpc')) {
  94         $_POST = array_map('stripslashes', $_POST);
  95     }
  96
  97     $config->stage = (int)$_POST['stage'];
  98
  99     if (isset($_POST['previous'])) {
 100         $config->stage--;
 101         if (INSTALL_DATABASETYPE and !empty($distro->dbtype)) {
 102             $config->stage--;
 103         }
 104         if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_DOWNLOADLANG) {
 105             $config->stage--;
 106         }
 107     } else if (isset($_POST['next'])) {
 108         $config->stage++;
 109     }
 110
 111     $config->dbtype   = trim($_POST['dbtype']);
 112     $config->dbhost   = trim($_POST['dbhost']);
 113     $config->dbuser   = trim($_POST['dbuser']);
 114     $config->dbpass   = trim($_POST['dbpass']);
 115     $config->dbname   = trim($_POST['dbname']);
 116     $config->prefix   = trim($_POST['prefix']);
 117     $config->dbsocket = (int)(!empty($_POST['dbsocket']));
 118
 119     $config->dirroot  = trim($_POST['dirroot']);
 120     $config->admin    = empty($_POST['admin']) ? 'admin' : trim($_POST['admin']);
 121
 122     $config->dataroot = trim($_POST['dataroot']);
 123
 124 } else {
 125     $config->stage    = INSTALL_WELCOME;
 126
 127     $config->dbtype   = empty($distro->dbtype) ? '' : $distro->dbtype; // let distro skip dbtype selection
 128     $config->dbhost   = empty($distro->dbhost) ? 'localhost' : $distro->dbhost; // let distros set dbhost
 129     $config->dbuser   = empty($distro->dbuser) ? '' : $distro->dbuser; // let distros set dbuser
 130     $config->dbpass   = '';
 131     $config->dbname   = 'moodle';
 132     $config->prefix   = 'mdl_';
 133     $config->dbsocket = 0;
 134
 135     $config->dirroot  = str_replace('\\', '/', dirname(__FILE__)); // Fix for win32
 136     $config->admin    = 'admin';
 137
 138     $config->dataroot = empty($distro->dataroot) ? null  : $distro->dataroot; // initialised later after including libs or by distro
 139 }
 140
 141 // Fake some settings so that we can use selected functions from moodlelib.php and weblib.php
 142 $CFG = new stdClass();
 143 $CFG->lang                 = $config->lang;
 144 $CFG->dirroot              = str_replace('\\', '/', dirname(__FILE__)); // Fix for win32
 145 $CFG->libdir               = "$CFG->dirroot/lib";
 146 $CFG->wwwroot              = install_guess_wwwroot(); // can not be changed - ppl must use the real address when installing
 147 $CFG->httpswwwroot         = $CFG->wwwroot;
 148 $CFG->dataroot             = $config->dataroot;
 149 $CFG->admin                = $config->admin;
 150 $CFG->docroot              = 'http://docs.moodle.org';
 151 $CFG->langotherroot        = $CFG->dataroot.'/lang';
 152 $CFG->langlocalroot        = $CFG->dataroot.'/lang';
 153 $CFG->directorypermissions = 00777;
 154 $CFG->running_installer    = true;
 155 $CFG->early_install_lang   = true;
 156
 157 // Require all needed libs
 158 require_once($CFG->libdir.'/setuplib.php');
 159
 160 // we need to make sure we have enough memory to load all libraries
 161 $memlimit = @ini_get('memory_limit');
 162 if (!empty($memlimit) and $memlimit != -1) {
 163     if (get_real_size($memlimit) < get_real_size($minrequiredmemory)) {
 164         // do NOT localise - lang strings would not work here and we CAN not move it to later place
 165         echo "Sorry, Moodle 2.0 requires at least {$minrequiredmemory}B of PHP memory.<br />";
 166         echo "Please contact server administrator to fix PHP.ini memory settings.";
 167         die;
 168     }
 169 }
 170
 171 // Continue with lib loading
 172 require_once($CFG->libdir.'/textlib.class.php');
 173 require_once($CFG->libdir.'/weblib.php');
 174 require_once($CFG->libdir.'/outputlib.php');
 175 require_once($CFG->libdir.'/dmllib.php');
 176 require_once($CFG->libdir.'/moodlelib.php');
 177 require_once($CFG->libdir .'/pagelib.php');
 178 require_once($CFG->libdir.'/deprecatedlib.php');
 179 require_once($CFG->libdir.'/adminlib.php');
 180 require_once($CFG->libdir.'/environmentlib.php');
 181 require_once($CFG->libdir.'/xmlize.php');
 182 require_once($CFG->libdir.'/componentlib.class.php');
 183
 184     //point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else
 185     //the problem is that we need specific version of quickforms and hacked excel files :-(
 186     ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));
 187     //point zend include path to moodles lib/zend so that includes and requires will search there for files before anywhere else
 188     ini_set('include_path', $CFG->libdir.'/zend' . PATH_SEPARATOR . ini_get('include_path'));
 189
 190 require('version.php');
 191 $CFG->target_release = $release;
 192
 193 $SESSION = new object();
 194 $SESSION->lang = $CFG->lang;
 195
 196 $USER = new object();
 197 $USER->id = 0;
 198
 199 $COURSE = new object();
 200 $COURSE->id = 0;
 201
 202 $SITE = $COURSE;
 203 define('SITEID', 0);
 204
 205 $hint_dataroot = '';
 206 $hint_dirroot  = '';
 207 $hint_admindir = '';
 208 $hint_database = '';
 209
 210 // Are we in help mode?
 211 if (isset($_GET['help'])) {
 212     install_print_help_page($_GET['help']);
 213 }
 214
 215 // send css?
 216 if (isset($_GET['css'])) {
 217     install_css_styles();
 218 }
 219
 220 //first time here? find out suitable dataroot
 221 if (is_null($CFG->dataroot)) {
 222     $CFG->dataroot = str_replace('\\', '/', dirname(dirname(__FILE__)).'/moodledata');
 223
 224     $i = 0; //safety check - dirname might return some unexpected results
 225     while(is_dataroot_insecure()) {
 226         $parrent = dirname($CFG->dataroot);
 227         $i++;
 228         if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
 229             $CFG->dataroot = ''; //can not find secure location for dataroot
 230             break;
 231         }
 232         $CFG->dataroot = dirname($parrent).'/moodledata';
 233     }
 234     $config->dataroot = $CFG->dataroot;
 235     $config->stage    = INSTALL_WELCOME;
 236 }
 237
 238 // now let's do the stage work
 239 if ($config->stage < INSTALL_WELCOME) {
 240     $config->stage = INSTALL_WELCOME;
 241 }
 242 if ($config->stage > INSTALL_SAVE) {
 243     $config->stage = INSTALL_SAVE;
 244 }
 245
 246
 247
 248 if ($config->stage == INSTALL_SAVE) {
 249     $CFG->early_install_lang = false;
 250
 251     $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 252     if (!$database->driver_installed()) {
 253         $config->stage = INSTALL_DATABASETYPE;
 254     } else {
 255         if (function_exists('distro_pre_create_db')) { // Hook for distros needing to do something before DB creation
 256             $distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbsocket'=>$config->dbsocket), $distro);
 257         }
 258         $hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbsocket'=>$config->dbsocket));
 259
 260         if ($hint_database === '') {
 261             // extra hackery needed for symbolic link support
 262             if  ($CFG->dirroot !== $config->dirroot) {
 263                 $CFG->dirroot = $config->dirroot;
 264                 $userealpath = true;
 265             } else {
 266                 $userealpath = false;
 267             }
 268             $configphp = install_generate_configphp($database, $CFG, $userealpath);
 269
 270             umask(0137);
 271             if (($fh = @fopen($configfile, 'w')) !== false) {
 272                 fwrite($fh, $configphp);
 273                 fclose($fh);
 274             }
 275
 276             if (file_exists($configfile)) {
 277                 // config created, let's continue!
 278                 redirect("$CFG->wwwroot/$config->admin/index.php?lang=$config->lang");
 279             }
 280
 281             install_print_header($config, 'config.php',
 282                                           get_string('configurationcompletehead', 'install'),
 283                                           get_string('configurationcompletesub', 'install').get_string('configfilenotwritten', 'install'));
 284             echo '<div class="configphp"><pre>';
 285             echo p($configphp);
 286             echo '</pre></div>';
 287
 288             install_print_footer($config);
 289             die;
 290
 291         } else {
 292             $config->stage = INSTALL_DATABASE;
 293         }
 294     }
 295 }
 296
 297
 298
 299 if ($config->stage == INSTALL_DOWNLOADLANG) {
 300     if (empty($CFG->dataroot)) {
 301         $config->stage = INSTALL_PATHS;
 302
 303     } else if (is_dataroot_insecure()) {
 304         $hint_dataroot = get_string('pathsunsecuredataroot', 'install');
 305         $config->stage = INSTALL_PATHS;
 306
 307     } else if (!file_exists($CFG->dataroot)) {
 308         $a = new stdClass();
 309         $a->parent = dirname($CFG->dataroot);
 310         $a->dataroot = $CFG->dataroot;
 311         if (!is_writable(dirname($CFG->dataroot))) {
 312             $hint_dataroot = get_string('pathsroparentdataroot', 'install', $a);
 313             $config->stage = INSTALL_PATHS;
 314         } else {
 315             if (!make_upload_directory('lang', false)) {
 316                 $hint_dataroot = get_string('pathserrcreatedataroot', 'install', $a);
 317                 $config->stage = INSTALL_PATHS;
 318             }
 319         }
 320     }
 321
 322     if (empty($hint_dataroot) and !is_writable($CFG->dataroot)) {
 323         $hint_dataroot = get_string('pathsrodataroot', 'install');
 324         $config->stage = INSTALL_PATHS;
 325     }
 326
 327     if ($config->dirroot === '' or !file_exists($config->dirroot)) {
 328         $hint_dirroot = get_string('pathswrongdirroot', 'install');
 329         $config->stage = INSTALL_PATHS;
 330     }
 331
 332     if ($config->admin === '' or !file_exists($config->dirroot.'/'.$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 // Create necessary lang dir
 361     if (!make_upload_directory('lang', false)) {
 362         $downloaderror = get_string('cannotcreatelangdir', 'error');
 363
 364 // Download and install lang component
 365     } else if ($cd = new component_installer('http://download.moodle.org', 'lang20', $CFG->lang.'.zip', 'languages.md5', 'lang')) {
 366         if ($cd->install() == COMPONENT_ERROR) {
 367             if ($cd->get_error() == 'remotedownloaderror') {
 368                 $a = new stdClass();
 369                 $a->url  = 'http://download.moodle.org/lang20/'.$config->lang.'.zip';
 370                 $a->dest = $CFG->dataroot.'/lang';
 371                 $downloaderror = get_string($cd->get_error(), 'error', $a);
 372             } else {
 373                 $downloaderror = get_string($cd->get_error(), 'error');
 374             }
 375         } else {
 376             // install parent lang if defined
 377             if ($parentlang = get_parent_language()) {
 378                 if ($cd = new component_installer('http://download.moodle.org', 'lang20', $parentlang.'.zip', 'languages.md5', 'lang')) {
 379                     $cd->install();
 380                 }
 381             }
 382         }
 383     }
 384
 385     if ($downloaderror !== '') {
 386         install_print_header($config, get_string('language'), get_string('langdownloaderror', 'install', $CFG->lang), $downloaderror);
 387         install_print_footer($config);
 388         die;
 389     } else {
 390         if (empty($distro->dbtype)) {
 391             $config->stage = INSTALL_DATABASETYPE;
 392         } else {
 393             $config->stage = INSTALL_DATABASE;
 394         }
 395     }
 396 }
 397
 398
 399 if ($config->stage == INSTALL_DATABASE) {
 400     $CFG->early_install_lang = false;
 401
 402     $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 403
 404     $sub = '<h3>'.$database->get_name().'</h3>'.$database->get_configuration_help();
 405
 406     install_print_header($config, get_string('database', 'install'), get_string('databasehead', 'install'), $sub);
 407
 408     $strdbhost   = get_string('databasehost', 'install');
 409     $strdbname   = get_string('databasename', 'install');
 410     $strdbuser   = get_string('databaseuser', 'install');
 411     $strdbpass   = get_string('databasepass', 'install');
 412     $strprefix   = get_string('dbprefix', 'install');
 413     $strdbsocket = get_string('databasesocket', 'install');
 414
 415     echo '<div class="userinput">';
 416
 417     $disabled = empty($distro->dbhost) ? '' : 'disabled="disabled';
 418     echo '<div class="formrow"><label for="id_dbhost" class="formlabel">'.$strdbhost.'</label>';
 419     echo '<input id="id_dbhost" name="dbhost" '.$disabled.' type="text" value="'.s($config->dbhost).'" size="30" class="forminput" />';
 420     echo '</div>';
 421
 422     echo '<div class="formrow"><label for="id_dbname" class="formlabel">'.$strdbname.'</label>';
 423     echo '<input id="id_dbname" name="dbname" type="text" value="'.s($config->dbname).'" size="30" class="forminput" />';
 424     echo '</div>';
 425
 426     $disabled = empty($distro->dbuser) ? '' : 'disabled="disabled';
 427     echo '<div class="formrow"><label for="id_dbuser" class="formlabel">'.$strdbuser.'</label>';
 428     echo '<input id="id_dbuser" name="dbuser" '.$disabled.' type="text" value="'.s($config->dbuser).'" size="30" class="forminput" />';
 429     echo '</div>';
 430
 431     echo '<div class="formrow"><label for="id_dbpass" class="formlabel">'.$strdbpass.'</label>';
 432     // no password field here, the password may be visible in config.php if we can not write it to disk
 433     echo '<input id="id_dbpass" name="dbpass" type="text" value="'.s($config->dbpass).'" size="30" class="forminput" />';
 434     echo '</div>';
 435
 436     echo '<div class="formrow"><label for="id_prefix" class="formlabel">'.$strprefix.'</label>';
 437     echo '<input id="id_prefix" name="prefix" type="text" value="'.s($config->prefix).'" size="10" class="forminput" />';
 438     echo '</div>';
 439
 440     if (!(stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin'))) {
 441         $checked = $config->dbsocket ? 'checked="checked' : '';
 442         echo '<div class="formrow"><label for="id_dbsocket" class="formlabel">'.$strdbsocket.'</label>';
 443         echo '<input type="hidden" value="0" name="dbsocket" />';
 444         echo '<input type="checkbox" id="id_dbsocket" value="1" name="dbsocket" '.$checked.' class="forminput" />';
 445         echo '</div>';
 446     }
 447
 448     echo '<div class="hint">'.$hint_database.'</div>';
 449     echo '</div>';
 450     install_print_footer($config);
 451     die;
 452 }
 453
 454
 455 if ($config->stage == INSTALL_DATABASETYPE) {
 456     $CFG->early_install_lang = false;
 457
 458     // Finally ask for DB type
 459     install_print_header($config, get_string('database', 'install'),
 460                                   get_string('databasetypehead', 'install'),
 461                                   get_string('databasetypesub', 'install'));
 462
 463     // TODO: move this PHP5 code to lib/installib.php so that this file parses in PHP4
 464     $databases = array('mysqli' => moodle_database::get_driver_instance('mysqli', 'native'),
 465                        'pgsql'  => moodle_database::get_driver_instance('pgsql',  'native'),
 466                        'oci'    => moodle_database::get_driver_instance('oci',    'native'),
 467                        //'sqlsrv' => moodle_database::get_driver_instance('sqlsrv', 'native'), // new MS sql driver - win32 only
 468                        //'mssql'  => moodle_database::get_driver_instance('mssql',  'native'), // FreeTDS driver
 469                       );
 470
 471     echo '<div class="userinput">';
 472     echo '<div class="formrow"><label class="formlabel" for="dbtype">'.get_string('dbtype', 'install').'</label>';
 473     echo '<select id="dbtype" name="dbtype" class="forminput">';
 474     $disabled = array();
 475     $options = array();
 476     foreach ($databases as $type=>$database) {
 477         if ($database->driver_installed() !== true) {
 478             $disabled[$type] = $database;
 479             continue;
 480         }
 481         echo '<option value="'.s($type).'">'.$database->get_name().'</option>';
 482     }
 483     if ($disabled) {
 484         echo '<optgroup label="'.s(get_string('notavailable')).'">';
 485         foreach ($disabled as $type=>$database) {
 486             echo '<option value="'.s($type).'" class="notavailable">'.$database->get_name().'</option>';
 487         }
 488         echo '</optgroup>';
 489     }
 490     echo '</select></div>';
 491     echo '</div>';
 492
 493     install_print_footer($config);
 494     die;
 495 }
 496
 497
 498
 499 if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
 500     $version_fail = (version_compare(phpversion(), "5.2.8") < 0);
 501     $curl_fail    = ($lang !== 'en' and !extension_loaded('curl')); // needed for lang pack download
 502     $zip_fail     = ($lang !== 'en' and !extension_loaded('zip'));  // needed for lang pack download
 503
 504     if ($version_fail or $curl_fail or $zip_fail) {
 505         $config->stage = INSTALL_ENVIRONMENT;
 506
 507         install_print_header($config, get_string('environment', 'install'),
 508                                       get_string('errorsinenvironment', 'install'),
 509                                       get_string('environmentsub2', 'install'));
 510
 511         echo '<div id="envresult"><dl>';
 512         if ($version_fail) {
 513             $a = (object)array('needed'=>'5.2.8', 'current'=>phpversion());
 514             echo '<dt>'.get_string('phpversion', 'install').'</dt><dd>'.get_string('environmentrequireversion', 'admin', $a).'</dd>';
 515         }
 516         if ($curl_fail) {
 517             echo '<dt>'.get_string('phpextension', 'install', 'cURL').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 518         }
 519         if ($zip_fail) {
 520             echo '<dt>'.get_string('phpextension', 'install', 'Zip').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 521         }
 522         echo '</dl></div>';
 523
 524         install_print_footer($config, true);
 525         die;
 526
 527     } else {
 528         $config->stage = INSTALL_PATHS;
 529     }
 530 }
 531
 532
 533
 534 if ($config->stage == INSTALL_PATHS) {
 535     $paths = array('wwwroot'  => get_string('wwwroot', 'install'),
 536                    'dirroot'  => get_string('dirroot', 'install'),
 537                    'dataroot' => get_string('dataroot', 'install'),
 538                    'admindir' => get_string('admindirname', 'install'));
 539
 540     $sub = '<dl>';
 541     foreach ($paths as $path=>$name) {
 542         $sub .= '<dt>'.$name.'</dt><dd>'.get_string('pathssub'.$path, 'install').'</dd>';
 543     }
 544     $sub .= '</dl>';
 545
 546     install_print_header($config, get_string('paths', 'install'), get_string('pathshead', 'install'), $sub);
 547
 548     $strwwwroot      = get_string('wwwroot', 'install');
 549     $strdirroot      = get_string('dirroot', 'install');
 550     $strdataroot     = get_string('dataroot', 'install');
 551     $stradmindirname = get_string('admindirname', 'install');
 552
 553     echo '<div class="userinput">';
 554     echo '<div class="formrow"><label for="id_wwwroot" class="formlabel">'.$paths['wwwroot'].'</label>';
 555     echo '<input id="id_wwwroot" name="wwwroot" type="text" value="'.s($CFG->wwwroot).'" disabled="disabled" size="45" class="forminput" />';
 556     echo '</div>';
 557
 558     echo '<div class="formrow"><label for="id_dirroot" class="formlabel">'.$paths['dirroot'].'</label>';
 559     echo '<input id="id_dirroot" name="dirroot" type="text" value="'.s($config->dirroot).'" size="45"class="forminput" />';
 560     if ($hint_dirroot !== '') {
 561         echo '<div class="hint">'.$hint_dirroot.'</div>';
 562     }
 563     echo '</div>';
 564
 565     echo '<div class="formrow"><label for="id_dataroot" class="formlabel">'.$paths['dataroot'].'</label>';
 566     echo '<input id="id_dataroot" name="dataroot" type="text" value="'.s($config->dataroot).'" size="45" class="forminput" />';
 567     if ($hint_dataroot !== '') {
 568         echo '<div class="hint">'.$hint_dataroot.'</div>';
 569     }
 570     echo '</div>';
 571
 572
 573     if (file_exists("$CFG->dirroot/admin/environment.xml")) {
 574         $disabled = 'disabled="disabled"';
 575     } else {
 576         $disabled = '';
 577     }
 578     echo '<div class="formrow"><label for="id_admin" class="formlabel">'.$paths['admindir'].'</label>';
 579     echo '<input id="id_admin" name="admin" type="text" value="'.s($config->admin).'" '.$disabled.' size="10" class="forminput" />';
 580     if ($hint_admindir !== '') {
 581         echo '<div class="hint">'.$hint_admindir.'</div>';
 582     }
 583     echo '</div>';
 584
 585     echo '</div>';
 586
 587     install_print_footer($config);
 588     die;
 589 }
 590
 591
 592
 593 $config->stage = INSTALL_WELCOME;
 594
 595 if ($distro) {
 596     ob_start();
 597     include('install/distribution.html');
 598     $sub = ob_get_clean();
 599
 600     install_print_header($config, get_string('language'),
 601                                   get_string('chooselanguagehead', 'install'),
 602                                   $sub);
 603
 604 } else {
 605     install_print_header($config, get_string('language'),
 606                                   get_string('chooselanguagehead', 'install'),
 607                                   get_string('chooselanguagesub', 'install'));
 608 }
 609
 610 $languages = get_string_manager()->get_list_of_translations();
 611 echo '<div class="userinput">';
 612 echo '<div class="formrow"><label class="formlabel" for="langselect">'.get_string('language').'</label>';
 613 echo '<select id="langselect" name="lang" class="forminput" onchange="this.form.submit()">';
 614 foreach ($languages as $name=>$value) {
 615     $selected = ($name == $CFG->lang) ? 'selected="selected"' : '';
 616     echo '<option value="'.s($name).'" '.$selected.'>'.$value.'</option>';
 617 }
 618 echo '</select></div>';
 619 echo '</div>';
 620
 621 install_print_footer($config);
 622 die;
 623