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  • Bug fixes for general core bugs in 3.0.x ended 14 November 2016 (12 months).
  • Bug fixes for security issues in 3.0.x ended 8 May 2017 (18 months).
  • minimum PHP 5.4.4 (always use latest PHP 5.4.x or 5.5.x on Windows - http://windows.php.net/download/). For PHP 7.0.x support, upgrade to Moodle 3.0.1 or later. PHP 7.1.x is not supported by Moodle 3.0.
  • / -> install.php (source)

    Differences Between: [Versions 30 and 31] [Versions 30 and 32] [Versions 30 and 33] [Versions 30 and 34] [Versions 30 and 35] [Versions 30 and 36] [Versions 30 and 37] [Versions 30 and 38]

       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  if (!function_exists('date_default_timezone_set') or !function_exists('date_default_timezone_get')) {
      55      echo("Timezone functions are not available.");
      56      die;
      57  }
      58  date_default_timezone_set(@date_default_timezone_get());
      59  
      60  // make sure PHP errors are displayed - helps with diagnosing of problems
      61  @error_reporting(E_ALL);
      62  @ini_set('display_errors', '1');
      63  
      64  // Check that PHP is of a sufficient version.
      65  if (version_compare(phpversion(), '5.4.4') < 0) {
      66      $phpversion = phpversion();
      67      // do NOT localise - lang strings would not work here and we CAN not move it after installib
      68      echo "Moodle 2.7 or later requires at least PHP 5.4.4 (currently using version $phpversion).<br />";
      69      echo "Please upgrade your server software or install older Moodle version.";
      70      die;
      71  }
      72  
      73  // make sure iconv is available and actually works
      74  if (!function_exists('iconv')) {
      75      // this should not happen, this must be very borked install
      76      echo 'Moodle requires the iconv PHP extension. Please install or enable the iconv extension.';
      77      die();
      78  }
      79  
      80  if (PHP_INT_SIZE > 4) {
      81      // most probably 64bit PHP - we need a lot more memory
      82      $minrequiredmemory = '70M';
      83  } else {
      84      // 32bit PHP
      85      $minrequiredmemory = '40M';
      86  }
      87  // increase or decrease available memory - we need to make sure moodle
      88  // installs even with low memory, otherwise developers would overlook
      89  // sudden increases of memory needs ;-)
      90  @ini_set('memory_limit', $minrequiredmemory);
      91  
      92  /** Used by library scripts to check they are being called by Moodle */
      93  define('MOODLE_INTERNAL', true);
      94  
      95  require_once (__DIR__.'/lib/classes/component.php');
      96  require_once (__DIR__.'/lib/installlib.php');
      97  
      98  // TODO: add lang detection here if empty $_REQUEST['lang']
      99  
     100  // distro specific customisation
     101  $distro = null;
     102  if (file_exists('install/distrolib.php')) {
     103      require_once('install/distrolib.php');
     104      if (function_exists('distro_get_config')) {
     105          $distro = distro_get_config();
     106      }
     107  }
     108  
     109  $config = new stdClass();
     110  $config->lang = $lang;
     111  
     112  if (!empty($_POST)) {
     113      $config->stage = (int)$_POST['stage'];
     114  
     115      if (isset($_POST['previous'])) {
     116          $config->stage--;
     117          if (INSTALL_DATABASETYPE and !empty($distro->dbtype)) {
     118              $config->stage--;
     119          }
     120          if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_DOWNLOADLANG) {
     121              $config->stage--;
     122          }
     123      } else if (isset($_POST['next'])) {
     124          $config->stage++;
     125      }
     126  
     127      $config->dbtype   = trim($_POST['dbtype']);
     128      $config->dbhost   = trim($_POST['dbhost']);
     129      $config->dbuser   = trim($_POST['dbuser']);
     130      $config->dbpass   = trim($_POST['dbpass']);
     131      $config->dbname   = trim($_POST['dbname']);
     132      $config->prefix   = trim($_POST['prefix']);
     133      $config->dbport   = (int)trim($_POST['dbport']);
     134      $config->dbsocket = trim($_POST['dbsocket']);
     135  
     136      if ($config->dbport <= 0) {
     137          $config->dbport = '';
     138      }
     139  
     140      $config->admin    = empty($_POST['admin']) ? 'admin' : trim($_POST['admin']);
     141  
     142      $config->dataroot = trim($_POST['dataroot']);
     143  
     144  } else {
     145      $config->stage    = INSTALL_WELCOME;
     146  
     147      $config->dbtype   = empty($distro->dbtype) ? '' : $distro->dbtype; // let distro skip dbtype selection
     148      $config->dbhost   = empty($distro->dbhost) ? 'localhost' : $distro->dbhost; // let distros set dbhost
     149      $config->dbuser   = empty($distro->dbuser) ? '' : $distro->dbuser; // let distros set dbuser
     150      $config->dbpass   = '';
     151      $config->dbname   = 'moodle';
     152      $config->prefix   = 'mdl_';
     153      $config->dbport   = empty($distro->dbport) ? '' : $distro->dbport;
     154      $config->dbsocket = empty($distro->dbsocket) ? '' : $distro->dbsocket;
     155  
     156      $config->admin    = 'admin';
     157  
     158      $config->dataroot = empty($distro->dataroot) ? null  : $distro->dataroot; // initialised later after including libs or by distro
     159  }
     160  
     161  // Fake some settings so that we can use selected functions from moodlelib.php, weblib.php and filelib.php.
     162  global $CFG;
     163  $CFG = new stdClass();
     164  $CFG->lang                 = $config->lang;
     165  $CFG->dirroot              = dirname(__FILE__);
     166  $CFG->libdir               = "$CFG->dirroot/lib";
     167  $CFG->wwwroot              = install_guess_wwwroot(); // can not be changed - ppl must use the real address when installing
     168  $CFG->httpswwwroot         = $CFG->wwwroot;
     169  $CFG->dataroot             = $config->dataroot;
     170  $CFG->tempdir              = $CFG->dataroot.'/temp';
     171  $CFG->cachedir             = $CFG->dataroot.'/cache';
     172  $CFG->localcachedir        = $CFG->dataroot.'/localcache';
     173  $CFG->admin                = $config->admin;
     174  $CFG->docroot              = 'http://docs.moodle.org';
     175  $CFG->langotherroot        = $CFG->dataroot.'/lang';
     176  $CFG->langlocalroot        = $CFG->dataroot.'/lang';
     177  $CFG->directorypermissions = isset($distro->directorypermissions) ? $distro->directorypermissions : 00777; // let distros set dir permissions
     178  $CFG->filepermissions      = ($CFG->directorypermissions & 0666);
     179  $CFG->umaskpermissions     = (($CFG->directorypermissions & 0777) ^ 0777);
     180  $CFG->running_installer    = true;
     181  $CFG->early_install_lang   = true;
     182  $CFG->ostype               = (stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin')) ? 'WINDOWS' : 'UNIX';
     183  $CFG->debug                = (E_ALL | E_STRICT);
     184  $CFG->debugdisplay         = true;
     185  $CFG->debugdeveloper       = true;
     186  
     187  // Require all needed libs
     188  require_once($CFG->libdir.'/setuplib.php');
     189  
     190  // we need to make sure we have enough memory to load all libraries
     191  $memlimit = @ini_get('memory_limit');
     192  if (!empty($memlimit) and $memlimit != -1) {
     193      if (get_real_size($memlimit) < get_real_size($minrequiredmemory)) {
     194          // do NOT localise - lang strings would not work here and we CAN not move it to later place
     195          echo "Moodle requires at least {$minrequiredmemory}B of PHP memory.<br />";
     196          echo "Please contact server administrator to fix PHP.ini memory settings.";
     197          die;
     198      }
     199  }
     200  
     201  // Continue with lib loading
     202  require_once($CFG->libdir.'/classes/text.php');
     203  require_once($CFG->libdir.'/classes/string_manager.php');
     204  require_once($CFG->libdir.'/classes/string_manager_install.php');
     205  require_once($CFG->libdir.'/classes/string_manager_standard.php');
     206  require_once($CFG->libdir.'/weblib.php');
     207  require_once($CFG->libdir.'/outputlib.php');
     208  require_once($CFG->libdir.'/dmllib.php');
     209  require_once($CFG->libdir.'/moodlelib.php');
     210  require_once($CFG->libdir .'/pagelib.php');
     211  require_once($CFG->libdir.'/deprecatedlib.php');
     212  require_once($CFG->libdir.'/adminlib.php');
     213  require_once($CFG->libdir.'/environmentlib.php');
     214  require_once($CFG->libdir.'/componentlib.class.php');
     215  require_once($CFG->dirroot.'/cache/lib.php');
     216  
     217  //point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else
     218  //the problem is that we need specific version of quickforms and hacked excel files :-(
     219  ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));
     220  //point zend include path to moodles lib/zend so that includes and requires will search there for files before anywhere else
     221  ini_set('include_path', $CFG->libdir.'/zend' . PATH_SEPARATOR . ini_get('include_path'));
     222  
     223  // Register our classloader, in theory somebody might want to replace it to load other hacked core classes.
     224  // Required because the database checks below lead to session interaction which is going to lead us to requiring autoloaded classes.
     225  if (defined('COMPONENT_CLASSLOADER')) {
     226      spl_autoload_register(COMPONENT_CLASSLOADER);
     227  } else {
     228      spl_autoload_register('core_component::classloader');
     229  }
     230  
     231  require ('version.php');
     232  $CFG->target_release = $release;
     233  
     234  \core\session\manager::init_empty_session();
     235  global $SESSION;
     236  global $USER;
     237  
     238  global $COURSE;
     239  $COURSE = new stdClass();
     240  $COURSE->id = 1;
     241  
     242  global $SITE;
     243  $SITE = $COURSE;
     244  define('SITEID', 1);
     245  
     246  $hint_dataroot = '';
     247  $hint_admindir = '';
     248  $hint_database = '';
     249  
     250  // Are we in help mode?
     251  if (isset($_GET['help'])) {
     252      install_print_help_page($_GET['help']);
     253  }
     254  
     255  //first time here? find out suitable dataroot
     256  if (is_null($CFG->dataroot)) {
     257      $CFG->dataroot = dirname(dirname(__FILE__)).DIRECTORY_SEPARATOR.'moodledata';
     258  
     259      $i = 0; //safety check - dirname might return some unexpected results
     260      while(is_dataroot_insecure()) {
     261          $parrent = dirname($CFG->dataroot);
     262          $i++;
     263          if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
     264              $CFG->dataroot = ''; //can not find secure location for dataroot
     265              break;
     266          }
     267          $CFG->dataroot = dirname($parrent).DIRECTORY_SEPARATOR.'moodledata';
     268      }
     269      $config->dataroot = $CFG->dataroot;
     270      $config->stage    = INSTALL_WELCOME;
     271  }
     272  
     273  // now let's do the stage work
     274  if ($config->stage < INSTALL_WELCOME) {
     275      $config->stage = INSTALL_WELCOME;
     276  }
     277  if ($config->stage > INSTALL_SAVE) {
     278      $config->stage = INSTALL_SAVE;
     279  }
     280  
     281  
     282  
     283  if ($config->stage == INSTALL_SAVE) {
     284      $CFG->early_install_lang = false;
     285  
     286      $database = moodle_database::get_driver_instance($config->dbtype, 'native');
     287      if (!$database->driver_installed()) {
     288          $config->stage = INSTALL_DATABASETYPE;
     289      } else {
     290          if (function_exists('distro_pre_create_db')) { // Hook for distros needing to do something before DB creation
     291              $distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket), $distro);
     292          }
     293          $hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket));
     294  
     295          if ($hint_database === '') {
     296              $configphp = install_generate_configphp($database, $CFG);
     297  
     298              umask(0137);
     299              if (($fh = @fopen($configfile, 'w')) !== false) {
     300                  fwrite($fh, $configphp);
     301                  fclose($fh);
     302              }
     303  
     304              if (file_exists($configfile)) {
     305                  // config created, let's continue!
     306                  redirect("$CFG->wwwroot/$config->admin/index.php?lang=$config->lang");
     307              }
     308  
     309              install_print_header($config, 'config.php',
     310                                            get_string('configurationcompletehead', 'install'),
     311                                            get_string('configurationcompletesub', 'install').get_string('configfilenotwritten', 'install'), 'alert-error');
     312              echo '<div class="configphp"><pre>';
     313              echo p($configphp);
     314              echo '</pre></div>';
     315  
     316              install_print_footer($config);
     317              die;
     318  
     319          } else {
     320              $config->stage = INSTALL_DATABASE;
     321          }
     322      }
     323  }
     324  
     325  
     326  
     327  if ($config->stage == INSTALL_DOWNLOADLANG) {
     328      if (empty($CFG->dataroot)) {
     329          $config->stage = INSTALL_PATHS;
     330  
     331      } else if (is_dataroot_insecure()) {
     332          $hint_dataroot = get_string('pathsunsecuredataroot', 'install');
     333          $config->stage = INSTALL_PATHS;
     334  
     335      } else if (!file_exists($CFG->dataroot)) {
     336          $a = new stdClass();
     337          $a->parent = dirname($CFG->dataroot);
     338          $a->dataroot = $CFG->dataroot;
     339          if (!is_writable($a->parent)) {
     340              $hint_dataroot = get_string('pathsroparentdataroot', 'install', $a);
     341              $config->stage = INSTALL_PATHS;
     342          } else {
     343              if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
     344                  $hint_dataroot = get_string('pathserrcreatedataroot', 'install', $a);
     345                  $config->stage = INSTALL_PATHS;
     346              }
     347          }
     348  
     349      } else if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
     350          $hint_dataroot = get_string('pathserrcreatedataroot', 'install', array('dataroot' => $CFG->dataroot));
     351          $config->stage = INSTALL_PATHS;
     352      }
     353  
     354      if (empty($hint_dataroot) and !is_writable($CFG->dataroot)) {
     355          $hint_dataroot = get_string('pathsrodataroot', 'install');
     356          $config->stage = INSTALL_PATHS;
     357      }
     358  
     359      if ($config->admin === '' or !file_exists($CFG->dirroot.'/'.$config->admin.'/environment.xml')) {
     360          $hint_admindir = get_string('pathswrongadmindir', 'install');
     361          $config->stage = INSTALL_PATHS;
     362      }
     363  }
     364  
     365  
     366  
     367  if ($config->stage == INSTALL_DOWNLOADLANG) {
     368      // no need to download anything if en lang selected
     369      if ($CFG->lang == 'en') {
     370          $config->stage = INSTALL_DATABASETYPE;
     371      }
     372  }
     373  
     374  
     375  
     376  if ($config->stage == INSTALL_DATABASETYPE) {
     377      // skip db selection if distro package supports only one db
     378      if (!empty($distro->dbtype)) {
     379          $config->stage = INSTALL_DATABASE;
     380      }
     381  }
     382  
     383  
     384  if ($config->stage == INSTALL_DOWNLOADLANG) {
     385      $downloaderror = '';
     386  
     387      // download and install required lang packs, the lang dir has already been created in install_init_dataroot
     388      $installer = new lang_installer($CFG->lang);
     389      $results = $installer->run();
     390      foreach ($results as $langcode => $langstatus) {
     391          if ($langstatus === lang_installer::RESULT_DOWNLOADERROR) {
     392              $a       = new stdClass();
     393              $a->url  = $installer->lang_pack_url($langcode);
     394              $a->dest = $CFG->dataroot.'/lang';
     395              $downloaderror = get_string('remotedownloaderror', 'error', $a);
     396          }
     397      }
     398  
     399      if ($downloaderror !== '') {
     400          install_print_header($config, get_string('language'), get_string('langdownloaderror', 'install', $CFG->lang), $downloaderror);
     401          install_print_footer($config);
     402          die;
     403      } else {
     404          if (empty($distro->dbtype)) {
     405              $config->stage = INSTALL_DATABASETYPE;
     406          } else {
     407              $config->stage = INSTALL_DATABASE;
     408          }
     409      }
     410  
     411      // switch the string_manager instance to stop using install/lang/
     412      $CFG->early_install_lang = false;
     413      $CFG->langotherroot      = $CFG->dataroot.'/lang';
     414      $CFG->langlocalroot      = $CFG->dataroot.'/lang';
     415      get_string_manager(true);
     416  }
     417  
     418  
     419  if ($config->stage == INSTALL_DATABASE) {
     420      $CFG->early_install_lang = false;
     421  
     422      $database = moodle_database::get_driver_instance($config->dbtype, 'native');
     423  
     424      $sub = '<h3>'.$database->get_name().'</h3>'.$database->get_configuration_help();
     425  
     426      install_print_header($config, get_string('database', 'install'), get_string('databasehead', 'install'), $sub);
     427  
     428      $strdbhost   = get_string('databasehost', 'install');
     429      $strdbname   = get_string('databasename', 'install');
     430      $strdbuser   = get_string('databaseuser', 'install');
     431      $strdbpass   = get_string('databasepass', 'install');
     432      $strprefix   = get_string('dbprefix', 'install');
     433      $strdbport   = get_string('databaseport', 'install');
     434      $strdbsocket = get_string('databasesocket', 'install');
     435  
     436      echo '<div class="userinput">';
     437  
     438      $disabled = empty($distro->dbhost) ? '' : 'disabled="disabled';
     439      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbhost">'.$strdbhost.'</label></div>';
     440      echo '<div class="fitemelement"><input id="id_dbhost" name="dbhost" '.$disabled.' type="text" value="'.s($config->dbhost).'" size="50" /></div>';
     441      echo '</div>';
     442  
     443      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbname">'.$strdbname.'</label></div>';
     444      echo '<div class="fitemelement"><input id="id_dbname" name="dbname" type="text" value="'.s($config->dbname).'" size="50" /></div>';
     445      echo '</div>';
     446  
     447      $disabled = empty($distro->dbuser) ? '' : 'disabled="disabled';
     448      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbuser">'.$strdbuser.'</label></div>';
     449      echo '<div class="fitemelement"><input id="id_dbuser" name="dbuser" '.$disabled.' type="text" value="'.s($config->dbuser).'" size="50" /></div>';
     450      echo '</div>';
     451  
     452      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbpass">'.$strdbpass.'</label></div>';
     453      // no password field here, the password may be visible in config.php if we can not write it to disk
     454      echo '<div class="fitemelement"><input id="id_dbpass" name="dbpass" type="text" value="'.s($config->dbpass).'" size="50" /></div>';
     455      echo '</div>';
     456  
     457      echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strprefix.'</label></div>';
     458      echo '<div class="fitemelement"><input id="id_prefix" name="prefix" type="text" value="'.s($config->prefix).'" size="10" /></div>';
     459      echo '</div>';
     460  
     461      echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strdbport.'</label></div>';
     462      echo '<div class="fitemelement"><input id="id_dbport" name="dbport" type="text" value="'.s($config->dbport).'" size="10" /></div>';
     463      echo '</div>';
     464  
     465      if (!(stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin'))) {
     466          echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbsocket">'.$strdbsocket.'</label></div>';
     467          echo '<div class="fitemelement"><input id="id_dbsocket" name="dbsocket" type="text" value="'.s($config->dbsocket).'" size="50" /></div>';
     468          echo '</div>';
     469      }
     470  
     471      if ($hint_database !== '') {
     472          echo '<div class="alert alert-error">'.$hint_database.'</div>';
     473      }
     474      echo '</div>';
     475      install_print_footer($config);
     476      die;
     477  }
     478  
     479  
     480  if ($config->stage == INSTALL_DATABASETYPE) {
     481      $CFG->early_install_lang = false;
     482  
     483      // Finally ask for DB type
     484      install_print_header($config, get_string('database', 'install'),
     485                                    get_string('databasetypehead', 'install'),
     486                                    get_string('databasetypesub', 'install'));
     487  
     488      $databases = array('mysqli' => moodle_database::get_driver_instance('mysqli', 'native'),
     489                         'mariadb'=> moodle_database::get_driver_instance('mariadb', 'native'),
     490                         'pgsql'  => moodle_database::get_driver_instance('pgsql',  'native'),
     491                         'oci'    => moodle_database::get_driver_instance('oci',    'native'),
     492                         'sqlsrv' => moodle_database::get_driver_instance('sqlsrv', 'native'), // MS SQL*Server PHP driver
     493                         'mssql'  => moodle_database::get_driver_instance('mssql',  'native'), // FreeTDS driver
     494                        );
     495  
     496      echo '<div class="userinput">';
     497      echo '<div class="fitem"><div class="fitemtitle"><label for="dbtype">'.get_string('dbtype', 'install').'</label></div>';
     498      echo '<div class="fitemelement"><select id="dbtype" name="dbtype">';
     499      $disabled = array();
     500      $options = array();
     501      foreach ($databases as $type=>$database) {
     502          if ($database->driver_installed() !== true) {
     503              $disabled[$type] = $database;
     504              continue;
     505          }
     506          echo '<option value="'.s($type).'">'.$database->get_name().'</option>';
     507      }
     508      if ($disabled) {
     509          echo '<optgroup label="'.s(get_string('notavailable')).'">';
     510          foreach ($disabled as $type=>$database) {
     511              echo '<option value="'.s($type).'" class="notavailable">'.$database->get_name().'</option>';
     512          }
     513          echo '</optgroup>';
     514      }
     515      echo '</select></div></div>';
     516      echo '</div>';
     517  
     518      install_print_footer($config);
     519      die;
     520  }
     521  
     522  
     523  
     524  if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
     525      $curl_fail    = ($lang !== 'en' and !extension_loaded('curl')); // needed for lang pack download
     526      $zip_fail     = ($lang !== 'en' and !extension_loaded('zip'));  // needed for lang pack download
     527  
     528      if ($curl_fail or $zip_fail) {
     529          $config->stage = INSTALL_ENVIRONMENT;
     530  
     531          install_print_header($config, get_string('environmenthead', 'install'),
     532                                        get_string('errorsinenvironment', 'install'),
     533                                        get_string('environmentsub2', 'install'));
     534  
     535          echo '<div id="envresult"><dl>';
     536          if ($curl_fail) {
     537              echo '<dt>'.get_string('phpextension', 'install', 'cURL').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
     538          }
     539          if ($zip_fail) {
     540              echo '<dt>'.get_string('phpextension', 'install', 'Zip').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
     541          }
     542          echo '</dl></div>';
     543  
     544          install_print_footer($config, true);
     545          die;
     546  
     547      } else {
     548          $config->stage = INSTALL_PATHS;
     549      }
     550  }
     551  
     552  
     553  
     554  if ($config->stage == INSTALL_PATHS) {
     555      $paths = array('wwwroot'  => get_string('wwwroot', 'install'),
     556                     'dirroot'  => get_string('dirroot', 'install'),
     557                     'dataroot' => get_string('dataroot', 'install'));
     558  
     559      $sub = '<dl>';
     560      foreach ($paths as $path=>$name) {
     561          $sub .= '<dt>'.$name.'</dt><dd>'.get_string('pathssub'.$path, 'install').'</dd>';
     562      }
     563      if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
     564          $sub .= '<dt>'.get_string('admindirname', 'install').'</dt><dd>'.get_string('pathssubadmindir', 'install').'</dd>';
     565      }
     566      $sub .= '</dl>';
     567  
     568      install_print_header($config, get_string('paths', 'install'), get_string('pathshead', 'install'), $sub);
     569  
     570      $strwwwroot      = get_string('wwwroot', 'install');
     571      $strdirroot      = get_string('dirroot', 'install');
     572      $strdataroot     = get_string('dataroot', 'install');
     573      $stradmindirname = get_string('admindirname', 'install');
     574  
     575      echo '<div class="userinput">';
     576      echo '<div class="fitem"><div class="fitemtitle"><label for="id_wwwroot">'.$paths['wwwroot'].'</label></div>';
     577      echo '<div class="fitemelement"><input id="id_wwwroot" name="wwwroot" type="text" value="'.s($CFG->wwwroot).'" disabled="disabled" size="70" /></div>';
     578      echo '</div>';
     579  
     580      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dirroot">'.$paths['dirroot'].'</label></div>';
     581      echo '<div class="fitemelement"><input id="id_dirroot" name="dirroot" type="text" value="'.s($CFG->dirroot).'" disabled="disabled" size="70" /></div>';
     582      echo '</div>';
     583  
     584      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dataroot">'.$paths['dataroot'].'</label></div>';
     585      echo '<div class="fitemelement"><input id="id_dataroot" name="dataroot" type="text" value="'.s($config->dataroot).'" size="70" /></div>';
     586      if ($hint_dataroot !== '') {
     587          echo '<div class="alert alert-error">'.$hint_dataroot.'</div>';
     588      }
     589      echo '</div>';
     590  
     591  
     592      if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
     593          echo '<div class="fitem"><div class="fitemtitle"><label for="id_admin">'.$paths['admindir'].'</label></div>';
     594          echo '<div class="fitemelement"><input id="id_admin" name="admin" type="text" value="'.s($config->admin).'" size="10" /></div>';
     595          if ($hint_admindir !== '') {
     596              echo '<div class="alert alert-error">'.$hint_admindir.'</div>';
     597          }
     598          echo '</div>';
     599      }
     600  
     601      echo '</div>';
     602  
     603      install_print_footer($config);
     604      die;
     605  }
     606  
     607  
     608  
     609  $config->stage = INSTALL_WELCOME;
     610  
     611  if ($distro) {
     612      ob_start();
     613      include('install/distribution.html');
     614      $sub = ob_get_clean();
     615  
     616      install_print_header($config, get_string('language'),
     617                                    get_string('chooselanguagehead', 'install'),
     618                                    $sub, 'alert-success');
     619  
     620  } else {
     621      install_print_header($config, get_string('language'),
     622                                    get_string('chooselanguagehead', 'install'),
     623                                    get_string('chooselanguagesub', 'install'));
     624  }
     625  
     626  $languages = get_string_manager()->get_list_of_translations();
     627  echo '<div class="userinput">';
     628  echo '<div class="fitem"><div class="fitemtitle"><label for="langselect">'.get_string('language').'</label></div>';
     629  echo '<div class="fitemelement"><select id="langselect" name="lang" onchange="this.form.submit()">';
     630  foreach ($languages as $name=>$value) {
     631      $selected = ($name == $CFG->lang) ? 'selected="selected"' : '';
     632      echo '<option value="'.s($name).'" '.$selected.'>'.$value.'</option>';
     633  }
     634  echo '</select></div></div>';
     635  echo '</div>';
     636  
     637  install_print_footer($config);
     638  die;
     639  
    

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