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  • Bug fixes for general core bugs in 3.4.x ended 12 November 2018 (12 months).
  • Bug fixes for security issues in 3.4.x ended 13 May 2019 (18 months).
  • minimum PHP 7.0.0 Note: minimum PHP version has increased since Moodle 3.3. PHP 7.1.x and 7.2.x are supported too. PHP 7.x could have some engine limitations.
  • / -> install.php (source)

    Differences Between: [Versions 28 and 34] [Versions 29 and 34] [Versions 30 and 34] [Versions 31 and 34] [Versions 32 and 34] [Versions 33 and 34] [Versions 34 and 35] [Versions 34 and 36] [Versions 34 and 37]

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

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