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  • Bug fixes for general core bugs in 3.3.x ended 17 May 2018 (12 months).
  • Bug fixes for security issues in 3.3.x ended 12 November 2018 (18 months).
  • minimum PHP 5.6.5. Note: minimum PHP version has increased since Moodle 3.1. PHP 7.0.x and 7.1.x are supported but have some engine limitations.
  • / -> install.php (source)

    Differences Between: [Versions 28 and 33] [Versions 29 and 33] [Versions 30 and 33] [Versions 31 and 33] [Versions 32 and 33] [Versions 33 and 34] [Versions 33 and 35] [Versions 33 and 36] [Versions 33 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.
      65  if (version_compare(phpversion(), '5.6.5') < 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 3.2 or later requires at least PHP 5.6.5 (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              = __DIR__;
     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              = 'https://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  
     221  // Register our classloader, in theory somebody might want to replace it to load other hacked core classes.
     222  // Required because the database checks below lead to session interaction which is going to lead us to requiring autoloaded classes.
     223  if (defined('COMPONENT_CLASSLOADER')) {
     224      spl_autoload_register(COMPONENT_CLASSLOADER);
     225  } else {
     226      spl_autoload_register('core_component::classloader');
     227  }
     228  
     229  require ('version.php');
     230  $CFG->target_release = $release;
     231  
     232  \core\session\manager::init_empty_session();
     233  global $SESSION;
     234  global $USER;
     235  
     236  global $COURSE;
     237  $COURSE = new stdClass();
     238  $COURSE->id = 1;
     239  
     240  global $SITE;
     241  $SITE = $COURSE;
     242  define('SITEID', 1);
     243  
     244  $hint_dataroot = '';
     245  $hint_admindir = '';
     246  $hint_database = '';
     247  
     248  // Are we in help mode?
     249  if (isset($_GET['help'])) {
     250      install_print_help_page($_GET['help']);
     251  }
     252  
     253  //first time here? find out suitable dataroot
     254  if (is_null($CFG->dataroot)) {
     255      $CFG->dataroot = __DIR__.'/../moodledata';
     256  
     257      $i = 0; //safety check - dirname might return some unexpected results
     258      while(is_dataroot_insecure()) {
     259          $parrent = dirname($CFG->dataroot);
     260          $i++;
     261          if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
     262              $CFG->dataroot = ''; //can not find secure location for dataroot
     263              break;
     264          }
     265          $CFG->dataroot = dirname($parrent).DIRECTORY_SEPARATOR.'moodledata';
     266      }
     267      $config->dataroot = $CFG->dataroot;
     268      $config->stage    = INSTALL_WELCOME;
     269  }
     270  
     271  // now let's do the stage work
     272  if ($config->stage < INSTALL_WELCOME) {
     273      $config->stage = INSTALL_WELCOME;
     274  }
     275  if ($config->stage > INSTALL_SAVE) {
     276      $config->stage = INSTALL_SAVE;
     277  }
     278  
     279  
     280  
     281  if ($config->stage == INSTALL_SAVE) {
     282      $CFG->early_install_lang = false;
     283  
     284      $database = moodle_database::get_driver_instance($config->dbtype, 'native');
     285      if (!$database->driver_installed()) {
     286          $config->stage = INSTALL_DATABASETYPE;
     287      } else {
     288          if (function_exists('distro_pre_create_db')) { // Hook for distros needing to do something before DB creation
     289              $distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket), $distro);
     290          }
     291          $hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket));
     292  
     293          if ($hint_database === '') {
     294              $configphp = install_generate_configphp($database, $CFG);
     295  
     296              umask(0137);
     297              if (($fh = @fopen($configfile, 'w')) !== false) {
     298                  fwrite($fh, $configphp);
     299                  fclose($fh);
     300              }
     301  
     302              if (file_exists($configfile)) {
     303                  // config created, let's continue!
     304                  redirect("$CFG->wwwroot/$config->admin/index.php?lang=$config->lang");
     305              }
     306  
     307              install_print_header($config, 'config.php',
     308                                            get_string('configurationcompletehead', 'install'),
     309                                            get_string('configurationcompletesub', 'install').get_string('configfilenotwritten', 'install'), 'alert-error');
     310              echo '<div class="configphp"><pre>';
     311              echo p($configphp);
     312              echo '</pre></div>';
     313  
     314              install_print_footer($config);
     315              die;
     316  
     317          } else {
     318              $config->stage = INSTALL_DATABASE;
     319          }
     320      }
     321  }
     322  
     323  
     324  
     325  if ($config->stage == INSTALL_DOWNLOADLANG) {
     326      if (empty($CFG->dataroot)) {
     327          $config->stage = INSTALL_PATHS;
     328  
     329      } else if (is_dataroot_insecure()) {
     330          $hint_dataroot = get_string('pathsunsecuredataroot', 'install');
     331          $config->stage = INSTALL_PATHS;
     332  
     333      } else if (!file_exists($CFG->dataroot)) {
     334          $a = new stdClass();
     335          $a->parent = dirname($CFG->dataroot);
     336          $a->dataroot = $CFG->dataroot;
     337          if (!is_writable($a->parent)) {
     338              $hint_dataroot = get_string('pathsroparentdataroot', 'install', $a);
     339              $config->stage = INSTALL_PATHS;
     340          } else {
     341              if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
     342                  $hint_dataroot = get_string('pathserrcreatedataroot', 'install', $a);
     343                  $config->stage = INSTALL_PATHS;
     344              }
     345          }
     346  
     347      } else if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
     348          $hint_dataroot = get_string('pathserrcreatedataroot', 'install', array('dataroot' => $CFG->dataroot));
     349          $config->stage = INSTALL_PATHS;
     350      }
     351  
     352      if (empty($hint_dataroot) and !is_writable($CFG->dataroot)) {
     353          $hint_dataroot = get_string('pathsrodataroot', 'install');
     354          $config->stage = INSTALL_PATHS;
     355      }
     356  
     357      if ($config->admin === '' or !file_exists($CFG->dirroot.'/'.$config->admin.'/environment.xml')) {
     358          $hint_admindir = get_string('pathswrongadmindir', 'install');
     359          $config->stage = INSTALL_PATHS;
     360      }
     361  }
     362  
     363  
     364  
     365  if ($config->stage == INSTALL_DOWNLOADLANG) {
     366      // no need to download anything if en lang selected
     367      if ($CFG->lang == 'en') {
     368          $config->stage = INSTALL_DATABASETYPE;
     369      }
     370  }
     371  
     372  
     373  
     374  if ($config->stage == INSTALL_DATABASETYPE) {
     375      // skip db selection if distro package supports only one db
     376      if (!empty($distro->dbtype)) {
     377          $config->stage = INSTALL_DATABASE;
     378      }
     379  }
     380  
     381  
     382  if ($config->stage == INSTALL_DOWNLOADLANG) {
     383      $downloaderror = '';
     384  
     385      // download and install required lang packs, the lang dir has already been created in install_init_dataroot
     386      $installer = new lang_installer($CFG->lang);
     387      $results = $installer->run();
     388      foreach ($results as $langcode => $langstatus) {
     389          if ($langstatus === lang_installer::RESULT_DOWNLOADERROR) {
     390              $a       = new stdClass();
     391              $a->url  = $installer->lang_pack_url($langcode);
     392              $a->dest = $CFG->dataroot.'/lang';
     393              $downloaderror = get_string('remotedownloaderror', 'error', $a);
     394          }
     395      }
     396  
     397      if ($downloaderror !== '') {
     398          install_print_header($config, get_string('language'), get_string('langdownloaderror', 'install', $CFG->lang), $downloaderror);
     399          install_print_footer($config);
     400          die;
     401      } else {
     402          if (empty($distro->dbtype)) {
     403              $config->stage = INSTALL_DATABASETYPE;
     404          } else {
     405              $config->stage = INSTALL_DATABASE;
     406          }
     407      }
     408  
     409      // switch the string_manager instance to stop using install/lang/
     410      $CFG->early_install_lang = false;
     411      $CFG->langotherroot      = $CFG->dataroot.'/lang';
     412      $CFG->langlocalroot      = $CFG->dataroot.'/lang';
     413      get_string_manager(true);
     414  }
     415  
     416  
     417  if ($config->stage == INSTALL_DATABASE) {
     418      $CFG->early_install_lang = false;
     419  
     420      $database = moodle_database::get_driver_instance($config->dbtype, 'native');
     421  
     422      $sub = '<h3>'.$database->get_name().'</h3>'.$database->get_configuration_help();
     423  
     424      install_print_header($config, get_string('database', 'install'), get_string('databasehead', 'install'), $sub);
     425  
     426      $strdbhost   = get_string('databasehost', 'install');
     427      $strdbname   = get_string('databasename', 'install');
     428      $strdbuser   = get_string('databaseuser', 'install');
     429      $strdbpass   = get_string('databasepass', 'install');
     430      $strprefix   = get_string('dbprefix', 'install');
     431      $strdbport   = get_string('databaseport', 'install');
     432      $strdbsocket = get_string('databasesocket', 'install');
     433  
     434      echo '<div class="userinput">';
     435  
     436      $disabled = empty($distro->dbhost) ? '' : 'disabled="disabled';
     437      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbhost">'.$strdbhost.'</label></div>';
     438      echo '<div class="fitemelement"><input id="id_dbhost" name="dbhost" '.$disabled.' type="text" class="text-ltr" value="'.s($config->dbhost).'" size="50" /></div>';
     439      echo '</div>';
     440  
     441      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbname">'.$strdbname.'</label></div>';
     442      echo '<div class="fitemelement"><input id="id_dbname" name="dbname" type="text" class="text-ltr" value="'.s($config->dbname).'" size="50" /></div>';
     443      echo '</div>';
     444  
     445      $disabled = empty($distro->dbuser) ? '' : 'disabled="disabled';
     446      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbuser">'.$strdbuser.'</label></div>';
     447      echo '<div class="fitemelement"><input id="id_dbuser" name="dbuser" '.$disabled.' type="text" class="text-ltr" value="'.s($config->dbuser).'" size="50" /></div>';
     448      echo '</div>';
     449  
     450      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbpass">'.$strdbpass.'</label></div>';
     451      // no password field here, the password may be visible in config.php if we can not write it to disk
     452      echo '<div class="fitemelement"><input id="id_dbpass" name="dbpass" type="text" class="text-ltr" value="'.s($config->dbpass).'" size="50" /></div>';
     453      echo '</div>';
     454  
     455      echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strprefix.'</label></div>';
     456      echo '<div class="fitemelement"><input id="id_prefix" name="prefix" type="text" class="text-ltr" value="'.s($config->prefix).'" size="10" /></div>';
     457      echo '</div>';
     458  
     459      echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strdbport.'</label></div>';
     460      echo '<div class="fitemelement"><input id="id_dbport" name="dbport" type="text" class="text-ltr" value="'.s($config->dbport).'" size="10" /></div>';
     461      echo '</div>';
     462  
     463      if (!(stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin'))) {
     464          echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbsocket">'.$strdbsocket.'</label></div>';
     465          echo '<div class="fitemelement"><input id="id_dbsocket" name="dbsocket" type="text" class="text-ltr" value="'.s($config->dbsocket).'" size="50" /></div>';
     466          echo '</div>';
     467      }
     468  
     469      if ($hint_database !== '') {
     470          echo '<div class="alert alert-error">'.$hint_database.'</div>';
     471      }
     472      echo '</div>';
     473      install_print_footer($config);
     474      die;
     475  }
     476  
     477  
     478  if ($config->stage == INSTALL_DATABASETYPE) {
     479      $CFG->early_install_lang = false;
     480  
     481      // Finally ask for DB type
     482      install_print_header($config, get_string('database', 'install'),
     483                                    get_string('databasetypehead', 'install'),
     484                                    get_string('databasetypesub', 'install'));
     485  
     486      $databases = array('mysqli' => moodle_database::get_driver_instance('mysqli', 'native'),
     487                         'mariadb'=> moodle_database::get_driver_instance('mariadb', 'native'),
     488                         'pgsql'  => moodle_database::get_driver_instance('pgsql',  'native'),
     489                         'oci'    => moodle_database::get_driver_instance('oci',    'native'),
     490                         'sqlsrv' => moodle_database::get_driver_instance('sqlsrv', 'native'), // MS SQL*Server PHP driver
     491                         'mssql'  => moodle_database::get_driver_instance('mssql',  'native'), // FreeTDS driver
     492                        );
     493  
     494      echo '<div class="userinput">';
     495      echo '<div class="fitem"><div class="fitemtitle"><label for="dbtype">'.get_string('dbtype', 'install').'</label></div>';
     496      echo '<div class="fitemelement"><select id="dbtype" name="dbtype">';
     497      $disabled = array();
     498      $options = array();
     499      foreach ($databases as $type=>$database) {
     500          if ($database->driver_installed() !== true) {
     501              $disabled[$type] = $database;
     502              continue;
     503          }
     504          echo '<option value="'.s($type).'">'.$database->get_name().'</option>';
     505      }
     506      if ($disabled) {
     507          echo '<optgroup label="'.s(get_string('notavailable')).'">';
     508          foreach ($disabled as $type=>$database) {
     509              echo '<option value="'.s($type).'" class="notavailable">'.$database->get_name().'</option>';
     510          }
     511          echo '</optgroup>';
     512      }
     513      echo '</select></div></div>';
     514      echo '</div>';
     515  
     516      install_print_footer($config);
     517      die;
     518  }
     519  
     520  
     521  
     522  if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
     523      $curl_fail    = ($lang !== 'en' and !extension_loaded('curl')); // needed for lang pack download
     524      $zip_fail     = ($lang !== 'en' and !extension_loaded('zip'));  // needed for lang pack download
     525  
     526      if ($curl_fail or $zip_fail) {
     527          $config->stage = INSTALL_ENVIRONMENT;
     528  
     529          install_print_header($config, get_string('environmenthead', 'install'),
     530                                        get_string('errorsinenvironment', 'install'),
     531                                        get_string('environmentsub2', 'install'));
     532  
     533          echo '<div id="envresult"><dl>';
     534          if ($curl_fail) {
     535              echo '<dt>'.get_string('phpextension', 'install', 'cURL').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
     536          }
     537          if ($zip_fail) {
     538              echo '<dt>'.get_string('phpextension', 'install', 'Zip').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
     539          }
     540          echo '</dl></div>';
     541  
     542          install_print_footer($config, true);
     543          die;
     544  
     545      } else {
     546          $config->stage = INSTALL_PATHS;
     547      }
     548  }
     549  
     550  
     551  
     552  if ($config->stage == INSTALL_PATHS) {
     553      $paths = array('wwwroot'  => get_string('wwwroot', 'install'),
     554                     'dirroot'  => get_string('dirroot', 'install'),
     555                     'dataroot' => get_string('dataroot', 'install'));
     556  
     557      $sub = '<dl>';
     558      foreach ($paths as $path=>$name) {
     559          $sub .= '<dt>'.$name.'</dt><dd>'.get_string('pathssub'.$path, 'install').'</dd>';
     560      }
     561      if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
     562          $sub .= '<dt>'.get_string('admindirname', 'install').'</dt><dd>'.get_string('pathssubadmindir', 'install').'</dd>';
     563      }
     564      $sub .= '</dl>';
     565  
     566      install_print_header($config, get_string('paths', 'install'), get_string('pathshead', 'install'), $sub);
     567  
     568      $strwwwroot      = get_string('wwwroot', 'install');
     569      $strdirroot      = get_string('dirroot', 'install');
     570      $strdataroot     = get_string('dataroot', 'install');
     571      $stradmindirname = get_string('admindirname', 'install');
     572  
     573      echo '<div class="userinput">';
     574      echo '<div class="fitem"><div class="fitemtitle"><label for="id_wwwroot">'.$paths['wwwroot'].'</label></div>';
     575      echo '<div class="fitemelement"><input id="id_wwwroot" name="wwwroot" type="text" class="text-ltr" value="'.s($CFG->wwwroot).'" disabled="disabled" size="70" /></div>';
     576      echo '</div>';
     577  
     578      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dirroot">'.$paths['dirroot'].'</label></div>';
     579      echo '<div class="fitemelement"><input id="id_dirroot" name="dirroot" type="text" class="text-ltr" value="'.s($CFG->dirroot).'" disabled="disabled" size="70" /></div>';
     580      echo '</div>';
     581  
     582      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dataroot">'.$paths['dataroot'].'</label></div>';
     583      echo '<div class="fitemelement"><input id="id_dataroot" name="dataroot" type="text" class="text-ltr" value="'.s($config->dataroot).'" size="70" /></div>';
     584      if ($hint_dataroot !== '') {
     585          echo '<div class="alert alert-error">'.$hint_dataroot.'</div>';
     586      }
     587      echo '</div>';
     588  
     589  
     590      if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
     591          echo '<div class="fitem"><div class="fitemtitle"><label for="id_admin">'.$paths['admindir'].'</label></div>';
     592          echo '<div class="fitemelement"><input id="id_admin" name="admin" type="text" class="text-ltr" value="'.s($config->admin).'" size="10" /></div>';
     593          if ($hint_admindir !== '') {
     594              echo '<div class="alert alert-error">'.$hint_admindir.'</div>';
     595          }
     596          echo '</div>';
     597      }
     598  
     599      echo '</div>';
     600  
     601      install_print_footer($config);
     602      die;
     603  }
     604  
     605  
     606  
     607  $config->stage = INSTALL_WELCOME;
     608  
     609  if ($distro) {
     610      ob_start();
     611      include('install/distribution.html');
     612      $sub = ob_get_clean();
     613  
     614      install_print_header($config, get_string('language'),
     615                                    get_string('chooselanguagehead', 'install'),
     616                                    $sub, 'alert-success');
     617  
     618  } else {
     619      install_print_header($config, get_string('language'),
     620                                    get_string('chooselanguagehead', 'install'),
     621                                    get_string('chooselanguagesub', 'install'));
     622  }
     623  
     624  $languages = get_string_manager()->get_list_of_translations();
     625  echo '<div class="userinput">';
     626  echo '<div class="fitem"><div class="fitemtitle"><label for="langselect">'.get_string('language').'</label></div>';
     627  echo '<div class="fitemelement"><select id="langselect" name="lang" onchange="this.form.submit()">';
     628  foreach ($languages as $name=>$value) {
     629      $selected = ($name == $CFG->lang) ? 'selected="selected"' : '';
     630      echo '<option value="'.s($name).'" '.$selected.'>'.$value.'</option>';
     631  }
     632  echo '</select></div></div>';
     633  echo '</div>';
     634  
     635  install_print_footer($config);
     636  die;
     637  
    

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