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 define('CACHE_DISABLE_ALL', true); // Disables caching.. just in case.
  49 define('PHPUNIT_TEST', false);
  50 define('IGNORE_COMPONENT_CACHE', true);
  51 define('MDL_PERF_TEST', false);
  52
  53 // Servers should define a default timezone in php.ini, but if they don't then make sure something is defined.
  54 // This is a quick hack.  Ideally we should ask the admin for a value.  See MDL-22625 for more on this.
  55 if (function_exists('date_default_timezone_set') and function_exists('date_default_timezone_get')) {
  56     @date_default_timezone_set(@date_default_timezone_get());
  57 }
  58
  59 // make sure PHP errors are displayed - helps with diagnosing of problems
  60 @error_reporting(E_ALL);
  61 @ini_set('display_errors', '1');
  62
  63 // Check that PHP is of a sufficient version.
  64 if (version_compare(phpversion(), '5.4.4') < 0) {
  65     $phpversion = phpversion();
  66     // do NOT localise - lang strings would not work here and we CAN not move it after installib
  67     echo "Moodle 2.7 or later requires at least PHP 5.4.4 (currently using version $phpversion).<br />";
  68     echo "Please upgrade your server software or install older Moodle version.";
  69     die;
  70 }
  71
  72 // make sure iconv is available and actually works
  73 if (!function_exists('iconv')) {
  74     // this should not happen, this must be very borked install
  75     echo 'Moodle requires the iconv PHP extension. Please install or enable the iconv extension.';
  76     die();
  77 }
  78
  79 if (PHP_INT_SIZE > 4) {
  80     // most probably 64bit PHP - we need a lot more memory
  81     $minrequiredmemory = '70M';
  82 } else {
  83     // 32bit PHP
  84     $minrequiredmemory = '40M';
  85 }
  86 // increase or decrease available memory - we need to make sure moodle
  87 // installs even with low memory, otherwise developers would overlook
  88 // sudden increases of memory needs ;-)
  89 @ini_set('memory_limit', $minrequiredmemory);
  90
  91 /** Used by library scripts to check they are being called by Moodle */
  92 define('MOODLE_INTERNAL', true);
  93
  94 require_once(__DIR__.'/lib/classes/component.php');
  95 require_once(__DIR__.'/lib/installlib.php');
  96
  97 // TODO: add lang detection here if empty $_REQUEST['lang']
  98
  99 // distro specific customisation
 100 $distro = null;
 101 if (file_exists('install/distrolib.php')) {
 102     require_once('install/distrolib.php');
 103     if (function_exists('distro_get_config')) {
 104         $distro = distro_get_config();
 105     }
 106 }
 107
 108 $config = new stdClass();
 109 $config->lang = $lang;
 110
 111 if (!empty($_POST)) {
 112     $config->stage = (int)$_POST['stage'];
 113
 114     if (isset($_POST['previous'])) {
 115         $config->stage--;
 116         if (INSTALL_DATABASETYPE and !empty($distro->dbtype)) {
 117             $config->stage--;
 118         }
 119         if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_DOWNLOADLANG) {
 120             $config->stage--;
 121         }
 122     } else if (isset($_POST['next'])) {
 123         $config->stage++;
 124     }
 125
 126     $config->dbtype   = trim($_POST['dbtype']);
 127     $config->dbhost   = trim($_POST['dbhost']);
 128     $config->dbuser   = trim($_POST['dbuser']);
 129     $config->dbpass   = trim($_POST['dbpass']);
 130     $config->dbname   = trim($_POST['dbname']);
 131     $config->prefix   = trim($_POST['prefix']);
 132     $config->dbport   = (int)trim($_POST['dbport']);
 133     $config->dbsocket = trim($_POST['dbsocket']);
 134
 135     if ($config->dbport <= 0) {
 136         $config->dbport = '';
 137     }
 138
 139     $config->admin    = empty($_POST['admin']) ? 'admin' : trim($_POST['admin']);
 140
 141     $config->dataroot = trim($_POST['dataroot']);
 142
 143 } else {
 144     $config->stage    = INSTALL_WELCOME;
 145
 146     $config->dbtype   = empty($distro->dbtype) ? '' : $distro->dbtype; // let distro skip dbtype selection
 147     $config->dbhost   = empty($distro->dbhost) ? 'localhost' : $distro->dbhost; // let distros set dbhost
 148     $config->dbuser   = empty($distro->dbuser) ? '' : $distro->dbuser; // let distros set dbuser
 149     $config->dbpass   = '';
 150     $config->dbname   = 'moodle';
 151     $config->prefix   = 'mdl_';
 152     $config->dbport   = empty($distro->dbport) ? '' : $distro->dbport;
 153     $config->dbsocket = empty($distro->dbsocket) ? '' : $distro->dbsocket;
 154
 155     $config->admin    = 'admin';
 156
 157     $config->dataroot = empty($distro->dataroot) ? null  : $distro->dataroot; // initialised later after including libs or by distro
 158 }
 159
 160 // Fake some settings so that we can use selected functions from moodlelib.php, weblib.php and filelib.php.
 161 global $CFG;
 162 $CFG = new stdClass();
 163 $CFG->lang                 = $config->lang;
 164 $CFG->dirroot              = dirname(__FILE__);
 165 $CFG->libdir               = "$CFG->dirroot/lib";
 166 $CFG->wwwroot              = install_guess_wwwroot(); // can not be changed - ppl must use the real address when installing
 167 $CFG->httpswwwroot         = $CFG->wwwroot;
 168 $CFG->dataroot             = $config->dataroot;
 169 $CFG->tempdir              = $CFG->dataroot.'/temp';
 170 $CFG->cachedir             = $CFG->dataroot.'/cache';
 171 $CFG->localcachedir        = $CFG->dataroot.'/localcache';
 172 $CFG->admin                = $config->admin;
 173 $CFG->docroot              = 'http://docs.moodle.org';
 174 $CFG->langotherroot        = $CFG->dataroot.'/lang';
 175 $CFG->langlocalroot        = $CFG->dataroot.'/lang';
 176 $CFG->directorypermissions = isset($distro->directorypermissions) ? $distro->directorypermissions : 00777; // let distros set dir permissions
 177 $CFG->filepermissions      = ($CFG->directorypermissions & 0666);
 178 $CFG->umaskpermissions     = (($CFG->directorypermissions & 0777) ^ 0777);
 179 $CFG->running_installer    = true;
 180 $CFG->early_install_lang   = true;
 181 $CFG->ostype               = (stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin')) ? 'WINDOWS' : 'UNIX';
 182 $CFG->debug                = (E_ALL | E_STRICT);
 183 $CFG->debugdisplay         = true;
 184 $CFG->debugdeveloper       = true;
 185
 186 // Require all needed libs
 187 require_once($CFG->libdir.'/setuplib.php');
 188
 189 // we need to make sure we have enough memory to load all libraries
 190 $memlimit = @ini_get('memory_limit');
 191 if (!empty($memlimit) and $memlimit != -1) {
 192     if (get_real_size($memlimit) < get_real_size($minrequiredmemory)) {
 193         // do NOT localise - lang strings would not work here and we CAN not move it to later place
 194         echo "Moodle requires at least {$minrequiredmemory}B of PHP memory.<br />";
 195         echo "Please contact server administrator to fix PHP.ini memory settings.";
 196         die;
 197     }
 198 }
 199
 200 // Continue with lib loading
 201 require_once($CFG->libdir.'/classes/text.php');
 202 require_once($CFG->libdir.'/classes/string_manager.php');
 203 require_once($CFG->libdir.'/classes/string_manager_install.php');
 204 require_once($CFG->libdir.'/classes/string_manager_standard.php');
 205 require_once($CFG->libdir.'/weblib.php');
 206 require_once($CFG->libdir.'/outputlib.php');
 207 require_once($CFG->libdir.'/dmllib.php');
 208 require_once($CFG->libdir.'/moodlelib.php');
 209 require_once($CFG->libdir .'/pagelib.php');
 210 require_once($CFG->libdir.'/deprecatedlib.php');
 211 require_once($CFG->libdir.'/adminlib.php');
 212 require_once($CFG->libdir.'/environmentlib.php');
 213 require_once($CFG->libdir.'/componentlib.class.php');
 214 require_once($CFG->dirroot.'/cache/lib.php');
 215
 216 //point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else
 217 //the problem is that we need specific version of quickforms and hacked excel files :-(
 218 ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));
 219 //point zend include path to moodles lib/zend so that includes and requires will search there for files before anywhere else
 220 ini_set('include_path', $CFG->libdir.'/zend' . PATH_SEPARATOR . ini_get('include_path'));
 221
 222 // Register our classloader, in theory somebody might want to replace it to load other hacked core classes.
 223 // Required because the database checks below lead to session interaction which is going to lead us to requiring autoloaded classes.
 224 if (defined('COMPONENT_CLASSLOADER')) {
 225     spl_autoload_register(COMPONENT_CLASSLOADER);
 226 } else {
 227     spl_autoload_register('core_component::classloader');
 228 }
 229
 230 require('version.php');
 231 $CFG->target_release = $release;
 232
 233 \core\session\manager::init_empty_session();
 234 global $SESSION;
 235 global $USER;
 236
 237 global $COURSE;
 238 $COURSE = new stdClass();
 239 $COURSE->id = 1;
 240
 241 global $SITE;
 242 $SITE = $COURSE;
 243 define('SITEID', 1);
 244
 245 $hint_dataroot = '';
 246 $hint_admindir = '';
 247 $hint_database = '';
 248
 249 // Are we in help mode?
 250 if (isset($_GET['help'])) {
 251     install_print_help_page($_GET['help']);
 252 }
 253
 254 //first time here? find out suitable dataroot
 255 if (is_null($CFG->dataroot)) {
 256     $CFG->dataroot = dirname(dirname(__FILE__)).DIRECTORY_SEPARATOR.'moodledata';
 257
 258     $i = 0; //safety check - dirname might return some unexpected results
 259     while(is_dataroot_insecure()) {
 260         $parrent = dirname($CFG->dataroot);
 261         $i++;
 262         if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
 263             $CFG->dataroot = ''; //can not find secure location for dataroot
 264             break;
 265         }
 266         $CFG->dataroot = dirname($parrent).DIRECTORY_SEPARATOR.'moodledata';
 267     }
 268     $config->dataroot = $CFG->dataroot;
 269     $config->stage    = INSTALL_WELCOME;
 270 }
 271
 272 // now let's do the stage work
 273 if ($config->stage < INSTALL_WELCOME) {
 274     $config->stage = INSTALL_WELCOME;
 275 }
 276 if ($config->stage > INSTALL_SAVE) {
 277     $config->stage = INSTALL_SAVE;
 278 }
 279
 280
 281
 282 if ($config->stage == INSTALL_SAVE) {
 283     $CFG->early_install_lang = false;
 284
 285     $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 286     if (!$database->driver_installed()) {
 287         $config->stage = INSTALL_DATABASETYPE;
 288     } else {
 289         if (function_exists('distro_pre_create_db')) { // Hook for distros needing to do something before DB creation
 290             $distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket), $distro);
 291         }
 292         $hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket));
 293
 294         if ($hint_database === '') {
 295             $configphp = install_generate_configphp($database, $CFG);
 296
 297             umask(0137);
 298             if (($fh = @fopen($configfile, 'w')) !== false) {
 299                 fwrite($fh, $configphp);
 300                 fclose($fh);
 301             }
 302
 303             if (file_exists($configfile)) {
 304                 // config created, let's continue!
 305                 redirect("$CFG->wwwroot/$config->admin/index.php?lang=$config->lang");
 306             }
 307
 308             install_print_header($config, 'config.php',
 309                                           get_string('configurationcompletehead', 'install'),
 310                                           get_string('configurationcompletesub', 'install').get_string('configfilenotwritten', 'install'), 'alert-error');
 311             echo '<div class="configphp"><pre>';
 312             echo p($configphp);
 313             echo '</pre></div>';
 314
 315             install_print_footer($config);
 316             die;
 317
 318         } else {
 319             $config->stage = INSTALL_DATABASE;
 320         }
 321     }
 322 }
 323
 324
 325
 326 if ($config->stage == INSTALL_DOWNLOADLANG) {
 327     if (empty($CFG->dataroot)) {
 328         $config->stage = INSTALL_PATHS;
 329
 330     } else if (is_dataroot_insecure()) {
 331         $hint_dataroot = get_string('pathsunsecuredataroot', 'install');
 332         $config->stage = INSTALL_PATHS;
 333
 334     } else if (!file_exists($CFG->dataroot)) {
 335         $a = new stdClass();
 336         $a->parent = dirname($CFG->dataroot);
 337         $a->dataroot = $CFG->dataroot;
 338         if (!is_writable($a->parent)) {
 339             $hint_dataroot = get_string('pathsroparentdataroot', 'install', $a);
 340             $config->stage = INSTALL_PATHS;
 341         } else {
 342             if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
 343                 $hint_dataroot = get_string('pathserrcreatedataroot', 'install', $a);
 344                 $config->stage = INSTALL_PATHS;
 345             }
 346         }
 347
 348     } else if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
 349         $hint_dataroot = get_string('pathserrcreatedataroot', 'install', array('dataroot' => $CFG->dataroot));
 350         $config->stage = INSTALL_PATHS;
 351     }
 352
 353     if (empty($hint_dataroot) and !is_writable($CFG->dataroot)) {
 354         $hint_dataroot = get_string('pathsrodataroot', 'install');
 355         $config->stage = INSTALL_PATHS;
 356     }
 357
 358     if ($config->admin === '' or !file_exists($CFG->dirroot.'/'.$config->admin.'/environment.xml')) {
 359         $hint_admindir = get_string('pathswrongadmindir', 'install');
 360         $config->stage = INSTALL_PATHS;
 361     }
 362 }
 363
 364
 365
 366 if ($config->stage == INSTALL_DOWNLOADLANG) {
 367     // no need to download anything if en lang selected
 368     if ($CFG->lang == 'en') {
 369         $config->stage = INSTALL_DATABASETYPE;
 370     }
 371 }
 372
 373
 374
 375 if ($config->stage == INSTALL_DATABASETYPE) {
 376     // skip db selection if distro package supports only one db
 377     if (!empty($distro->dbtype)) {
 378         $config->stage = INSTALL_DATABASE;
 379     }
 380 }
 381
 382
 383 if ($config->stage == INSTALL_DOWNLOADLANG) {
 384     $downloaderror = '';
 385
 386     // download and install required lang packs, the lang dir has already been created in install_init_dataroot
 387     $installer = new lang_installer($CFG->lang);
 388     $results = $installer->run();
 389     foreach ($results as $langcode => $langstatus) {
 390         if ($langstatus === lang_installer::RESULT_DOWNLOADERROR) {
 391             $a       = new stdClass();
 392             $a->url  = $installer->lang_pack_url($langcode);
 393             $a->dest = $CFG->dataroot.'/lang';
 394             $downloaderror = get_string('remotedownloaderror', 'error', $a);
 395         }
 396     }
 397
 398     if ($downloaderror !== '') {
 399         install_print_header($config, get_string('language'), get_string('langdownloaderror', 'install', $CFG->lang), $downloaderror);
 400         install_print_footer($config);
 401         die;
 402     } else {
 403         if (empty($distro->dbtype)) {
 404             $config->stage = INSTALL_DATABASETYPE;
 405         } else {
 406             $config->stage = INSTALL_DATABASE;
 407         }
 408     }
 409
 410     // switch the string_manager instance to stop using install/lang/
 411     $CFG->early_install_lang = false;
 412     $CFG->langotherroot      = $CFG->dataroot.'/lang';
 413     $CFG->langlocalroot      = $CFG->dataroot.'/lang';
 414     get_string_manager(true);
 415 }
 416
 417
 418 if ($config->stage == INSTALL_DATABASE) {
 419     $CFG->early_install_lang = false;
 420
 421     $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 422
 423     $sub = '<h3>'.$database->get_name().'</h3>'.$database->get_configuration_help();
 424
 425     install_print_header($config, get_string('database', 'install'), get_string('databasehead', 'install'), $sub);
 426
 427     $strdbhost   = get_string('databasehost', 'install');
 428     $strdbname   = get_string('databasename', 'install');
 429     $strdbuser   = get_string('databaseuser', 'install');
 430     $strdbpass   = get_string('databasepass', 'install');
 431     $strprefix   = get_string('dbprefix', 'install');
 432     $strdbport   = get_string('databaseport', 'install');
 433     $strdbsocket = get_string('databasesocket', 'install');
 434
 435     echo '<div class="userinput">';
 436
 437     $disabled = empty($distro->dbhost) ? '' : 'disabled="disabled';
 438     echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbhost">'.$strdbhost.'</label></div>';
 439     echo '<div class="fitemelement"><input id="id_dbhost" name="dbhost" '.$disabled.' type="text" value="'.s($config->dbhost).'" size="50" /></div>';
 440     echo '</div>';
 441
 442     echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbname">'.$strdbname.'</label></div>';
 443     echo '<div class="fitemelement"><input id="id_dbname" name="dbname" type="text" value="'.s($config->dbname).'" size="50" /></div>';
 444     echo '</div>';
 445
 446     $disabled = empty($distro->dbuser) ? '' : 'disabled="disabled';
 447     echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbuser">'.$strdbuser.'</label></div>';
 448     echo '<div class="fitemelement"><input id="id_dbuser" name="dbuser" '.$disabled.' type="text" value="'.s($config->dbuser).'" size="50" /></div>';
 449     echo '</div>';
 450
 451     echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbpass">'.$strdbpass.'</label></div>';
 452     // no password field here, the password may be visible in config.php if we can not write it to disk
 453     echo '<div class="fitemelement"><input id="id_dbpass" name="dbpass" type="text" value="'.s($config->dbpass).'" size="50" /></div>';
 454     echo '</div>';
 455
 456     echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strprefix.'</label></div>';
 457     echo '<div class="fitemelement"><input id="id_prefix" name="prefix" type="text" value="'.s($config->prefix).'" size="10" /></div>';
 458     echo '</div>';
 459
 460     echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strdbport.'</label></div>';
 461     echo '<div class="fitemelement"><input id="id_dbport" name="dbport" type="text" value="'.s($config->dbport).'" size="10" /></div>';
 462     echo '</div>';
 463
 464     if (!(stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin'))) {
 465         echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbsocket">'.$strdbsocket.'</label></div>';
 466         echo '<div class="fitemelement"><input id="id_dbsocket" name="dbsocket" type="text" value="'.s($config->dbsocket).'" size="50" /></div>';
 467         echo '</div>';
 468     }
 469
 470     if ($hint_database !== '') {
 471         echo '<div class="alert alert-error">'.$hint_database.'</div>';
 472     }
 473     echo '</div>';
 474     install_print_footer($config);
 475     die;
 476 }
 477
 478
 479 if ($config->stage == INSTALL_DATABASETYPE) {
 480     $CFG->early_install_lang = false;
 481
 482     // Finally ask for DB type
 483     install_print_header($config, get_string('database', 'install'),
 484                                   get_string('databasetypehead', 'install'),
 485                                   get_string('databasetypesub', 'install'));
 486
 487     $databases = array('mysqli' => moodle_database::get_driver_instance('mysqli', 'native'),
 488                        'mariadb'=> moodle_database::get_driver_instance('mariadb', 'native'),
 489                        'pgsql'  => moodle_database::get_driver_instance('pgsql',  'native'),
 490                        'oci'    => moodle_database::get_driver_instance('oci',    'native'),
 491                        'sqlsrv' => moodle_database::get_driver_instance('sqlsrv', 'native'), // MS SQL*Server PHP driver
 492                        'mssql'  => moodle_database::get_driver_instance('mssql',  'native'), // FreeTDS driver
 493                       );
 494
 495     echo '<div class="userinput">';
 496     echo '<div class="fitem"><div class="fitemtitle"><label for="dbtype">'.get_string('dbtype', 'install').'</label></div>';
 497     echo '<div class="fitemelement"><select id="dbtype" name="dbtype">';
 498     $disabled = array();
 499     $options = array();
 500     foreach ($databases as $type=>$database) {
 501         if ($database->driver_installed() !== true) {
 502             $disabled[$type] = $database;
 503             continue;
 504         }
 505         echo '<option value="'.s($type).'">'.$database->get_name().'</option>';
 506     }
 507     if ($disabled) {
 508         echo '<optgroup label="'.s(get_string('notavailable')).'">';
 509         foreach ($disabled as $type=>$database) {
 510             echo '<option value="'.s($type).'" class="notavailable">'.$database->get_name().'</option>';
 511         }
 512         echo '</optgroup>';
 513     }
 514     echo '</select></div></div>';
 515     echo '</div>';
 516
 517     install_print_footer($config);
 518     die;
 519 }
 520
 521
 522
 523 if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
 524     $curl_fail    = ($lang !== 'en' and !extension_loaded('curl')); // needed for lang pack download
 525     $zip_fail     = ($lang !== 'en' and !extension_loaded('zip'));  // needed for lang pack download
 526
 527     if ($curl_fail or $zip_fail) {
 528         $config->stage = INSTALL_ENVIRONMENT;
 529
 530         install_print_header($config, get_string('environmenthead', 'install'),
 531                                       get_string('errorsinenvironment', 'install'),
 532                                       get_string('environmentsub2', 'install'));
 533
 534         echo '<div id="envresult"><dl>';
 535         if ($curl_fail) {
 536             echo '<dt>'.get_string('phpextension', 'install', 'cURL').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 537         }
 538         if ($zip_fail) {
 539             echo '<dt>'.get_string('phpextension', 'install', 'Zip').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 540         }
 541         echo '</dl></div>';
 542
 543         install_print_footer($config, true);
 544         die;
 545
 546     } else {
 547         $config->stage = INSTALL_PATHS;
 548     }
 549 }
 550
 551
 552
 553 if ($config->stage == INSTALL_PATHS) {
 554     $paths = array('wwwroot'  => get_string('wwwroot', 'install'),
 555                    'dirroot'  => get_string('dirroot', 'install'),
 556                    'dataroot' => get_string('dataroot', 'install'));
 557
 558     $sub = '<dl>';
 559     foreach ($paths as $path=>$name) {
 560         $sub .= '<dt>'.$name.'</dt><dd>'.get_string('pathssub'.$path, 'install').'</dd>';
 561     }
 562     if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
 563         $sub .= '<dt>'.get_string('admindirname', 'install').'</dt><dd>'.get_string('pathssubadmindir', 'install').'</dd>';
 564     }
 565     $sub .= '</dl>';
 566
 567     install_print_header($config, get_string('paths', 'install'), get_string('pathshead', 'install'), $sub);
 568
 569     $strwwwroot      = get_string('wwwroot', 'install');
 570     $strdirroot      = get_string('dirroot', 'install');
 571     $strdataroot     = get_string('dataroot', 'install');
 572     $stradmindirname = get_string('admindirname', 'install');
 573
 574     echo '<div class="userinput">';
 575     echo '<div class="fitem"><div class="fitemtitle"><label for="id_wwwroot">'.$paths['wwwroot'].'</label></div>';
 576     echo '<div class="fitemelement"><input id="id_wwwroot" name="wwwroot" type="text" value="'.s($CFG->wwwroot).'" disabled="disabled" size="70" /></div>';
 577     echo '</div>';
 578
 579     echo '<div class="fitem"><div class="fitemtitle"><label for="id_dirroot">'.$paths['dirroot'].'</label></div>';
 580     echo '<div class="fitemelement"><input id="id_dirroot" name="dirroot" type="text" value="'.s($CFG->dirroot).'" disabled="disabled" size="70" /></div>';
 581     echo '</div>';
 582
 583     echo '<div class="fitem"><div class="fitemtitle"><label for="id_dataroot">'.$paths['dataroot'].'</label></div>';
 584     echo '<div class="fitemelement"><input id="id_dataroot" name="dataroot" type="text" value="'.s($config->dataroot).'" size="70" /></div>';
 585     if ($hint_dataroot !== '') {
 586         echo '<div class="alert alert-error">'.$hint_dataroot.'</div>';
 587     }
 588     echo '</div>';
 589
 590
 591     if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
 592         echo '<div class="fitem"><div class="fitemtitle"><label for="id_admin">'.$paths['admindir'].'</label></div>';
 593         echo '<div class="fitemelement"><input id="id_admin" name="admin" type="text" value="'.s($config->admin).'" size="10" /></div>';
 594         if ($hint_admindir !== '') {
 595             echo '<div class="alert alert-error">'.$hint_admindir.'</div>';
 596         }
 597         echo '</div>';
 598     }
 599
 600     echo '</div>';
 601
 602     install_print_footer($config);
 603     die;
 604 }
 605
 606
 607
 608 $config->stage = INSTALL_WELCOME;
 609
 610 if ($distro) {
 611     ob_start();
 612     include('install/distribution.html');
 613     $sub = ob_get_clean();
 614
 615     install_print_header($config, get_string('language'),
 616                                   get_string('chooselanguagehead', 'install'),
 617                                   $sub, 'alert-success');
 618
 619 } else {
 620     install_print_header($config, get_string('language'),
 621                                   get_string('chooselanguagehead', 'install'),
 622                                   get_string('chooselanguagesub', 'install'));
 623 }
 624
 625 $languages = get_string_manager()->get_list_of_translations();
 626 echo '<div class="userinput">';
 627 echo '<div class="fitem"><div class="fitemtitle"><label for="langselect">'.get_string('language').'</label></div>';
 628 echo '<div class="fitemelement"><select id="langselect" name="lang" onchange="this.form.submit()">';
 629 foreach ($languages as $name=>$value) {
 630     $selected = ($name == $CFG->lang) ? 'selected="selected"' : '';
 631     echo '<option value="'.s($name).'" '.$selected.'>'.$value.'</option>';
 632 }
 633 echo '</select></div></div>';
 634 echo '</div>';
 635
 636 install_print_footer($config);
 637 die;
 638