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   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  
  18  /**
  19   * This script creates config.php file during installation.
  20   *
  21   * @package    core
  22   * @subpackage install
  23   * @copyright  2009 Petr Skoda (http://skodak.org)
  24   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25   */
  26  
  27  if (isset($_REQUEST['lang'])) {
  28      $lang = preg_replace('/[^A-Za-z0-9_-]/i', '', $_REQUEST['lang']);
  29  } else {
  30      $lang = 'en';
  31  }
  32  
  33  if (isset($_REQUEST['admin'])) {
  34      $admin = preg_replace('/[^A-Za-z0-9_-]/i', '', $_REQUEST['admin']);
  35  } else {
  36      $admin = 'admin';
  37  }
  38  
  39  // If config.php exists we just created config.php and need to redirect to continue installation
  40  $configfile = './config.php';
  41  if (file_exists($configfile)) {
  42      header("Location: $admin/index.php?lang=$lang");
  43      die;
  44  }
  45  
  46  define('CLI_SCRIPT', false); // prevents some warnings later
  47  define('AJAX_SCRIPT', false); // prevents some warnings later
  48  define('CACHE_DISABLE_ALL', true); // Disables caching.. just in case.
  49  define('PHPUNIT_TEST', false);
  50  define('IGNORE_COMPONENT_CACHE', true);
  51  define('MDL_PERF_TEST', false);
  52  
  53  // Servers should define a default timezone in php.ini, but if they don't then make sure something is defined.
  54  // This is a quick hack.  Ideally we should ask the admin for a value.  See MDL-22625 for more on this.
  55  if (function_exists('date_default_timezone_set') and function_exists('date_default_timezone_get')) {
  56      @date_default_timezone_set(@date_default_timezone_get());
  57  }
  58  
  59  // make sure PHP errors are displayed - helps with diagnosing of problems
  60  @error_reporting(E_ALL);
  61  @ini_set('display_errors', '1');
  62  
  63  // Check that PHP is of a sufficient version.
  64  if (version_compare(phpversion(), '5.4.4') < 0) {
  65      $phpversion = phpversion();
  66      // do NOT localise - lang strings would not work here and we CAN not move it after installib
  67      echo "Moodle 2.7 or later requires at least PHP 5.4.4 (currently using version $phpversion).<br />";
  68      echo "Please upgrade your server software or install older Moodle version.";
  69      die;
  70  }
  71  
  72  // make sure iconv is available and actually works
  73  if (!function_exists('iconv')) {
  74      // this should not happen, this must be very borked install
  75      echo 'Moodle requires the iconv PHP extension. Please install or enable the iconv extension.';
  76      die();
  77  }
  78  
  79  if (PHP_INT_SIZE > 4) {
  80      // most probably 64bit PHP - we need a lot more memory
  81      $minrequiredmemory = '70M';
  82  } else {
  83      // 32bit PHP
  84      $minrequiredmemory = '40M';
  85  }
  86  // increase or decrease available memory - we need to make sure moodle
  87  // installs even with low memory, otherwise developers would overlook
  88  // sudden increases of memory needs ;-)
  89  @ini_set('memory_limit', $minrequiredmemory);
  90  
  91  /** Used by library scripts to check they are being called by Moodle */
  92  define('MOODLE_INTERNAL', true);
  93  
  94  require_once (__DIR__.'/lib/classes/component.php');
  95  require_once (__DIR__.'/lib/installlib.php');
  96  
  97  // TODO: add lang detection here if empty $_REQUEST['lang']
  98  
  99  // distro specific customisation
 100  $distro = null;
 101  if (file_exists('install/distrolib.php')) {
 102      require_once('install/distrolib.php');
 103      if (function_exists('distro_get_config')) {
 104          $distro = distro_get_config();
 105      }
 106  }
 107  
 108  $config = new stdClass();
 109  $config->lang = $lang;
 110  
 111  if (!empty($_POST)) {
 112      $config->stage = (int)$_POST['stage'];
 113  
 114      if (isset($_POST['previous'])) {
 115          $config->stage--;
 116          if (INSTALL_DATABASETYPE and !empty($distro->dbtype)) {
 117              $config->stage--;
 118          }
 119          if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_DOWNLOADLANG) {
 120              $config->stage--;
 121          }
 122      } else if (isset($_POST['next'])) {
 123          $config->stage++;
 124      }
 125  
 126      $config->dbtype   = trim($_POST['dbtype']);
 127      $config->dbhost   = trim($_POST['dbhost']);
 128      $config->dbuser   = trim($_POST['dbuser']);
 129      $config->dbpass   = trim($_POST['dbpass']);
 130      $config->dbname   = trim($_POST['dbname']);
 131      $config->prefix   = trim($_POST['prefix']);
 132      $config->dbport   = (int)trim($_POST['dbport']);
 133      $config->dbsocket = trim($_POST['dbsocket']);
 134  
 135      if ($config->dbport <= 0) {
 136          $config->dbport = '';
 137      }
 138  
 139      $config->admin    = empty($_POST['admin']) ? 'admin' : trim($_POST['admin']);
 140  
 141      $config->dataroot = trim($_POST['dataroot']);
 142  
 143  } else {
 144      $config->stage    = INSTALL_WELCOME;
 145  
 146      $config->dbtype   = empty($distro->dbtype) ? '' : $distro->dbtype; // let distro skip dbtype selection
 147      $config->dbhost   = empty($distro->dbhost) ? 'localhost' : $distro->dbhost; // let distros set dbhost
 148      $config->dbuser   = empty($distro->dbuser) ? '' : $distro->dbuser; // let distros set dbuser
 149      $config->dbpass   = '';
 150      $config->dbname   = 'moodle';
 151      $config->prefix   = 'mdl_';
 152      $config->dbport   = empty($distro->dbport) ? '' : $distro->dbport;
 153      $config->dbsocket = empty($distro->dbsocket) ? '' : $distro->dbsocket;
 154  
 155      $config->admin    = 'admin';
 156  
 157      $config->dataroot = empty($distro->dataroot) ? null  : $distro->dataroot; // initialised later after including libs or by distro
 158  }
 159  
 160  // Fake some settings so that we can use selected functions from moodlelib.php, weblib.php and filelib.php.
 161  global $CFG;
 162  $CFG = new stdClass();
 163  $CFG->lang                 = $config->lang;
 164  $CFG->dirroot              = dirname(__FILE__);
 165  $CFG->libdir               = "$CFG->dirroot/lib";
 166  $CFG->wwwroot              = install_guess_wwwroot(); // can not be changed - ppl must use the real address when installing
 167  $CFG->httpswwwroot         = $CFG->wwwroot;
 168  $CFG->dataroot             = $config->dataroot;
 169  $CFG->tempdir              = $CFG->dataroot.'/temp';
 170  $CFG->cachedir             = $CFG->dataroot.'/cache';
 171  $CFG->localcachedir        = $CFG->dataroot.'/localcache';
 172  $CFG->admin                = $config->admin;
 173  $CFG->docroot              = 'http://docs.moodle.org';
 174  $CFG->langotherroot        = $CFG->dataroot.'/lang';
 175  $CFG->langlocalroot        = $CFG->dataroot.'/lang';
 176  $CFG->directorypermissions = isset($distro->directorypermissions) ? $distro->directorypermissions : 00777; // let distros set dir permissions
 177  $CFG->filepermissions      = ($CFG->directorypermissions & 0666);
 178  $CFG->umaskpermissions     = (($CFG->directorypermissions & 0777) ^ 0777);
 179  $CFG->running_installer    = true;
 180  $CFG->early_install_lang   = true;
 181  $CFG->ostype               = (stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin')) ? 'WINDOWS' : 'UNIX';
 182  $CFG->debug                = (E_ALL | E_STRICT);
 183  $CFG->debugdisplay         = true;
 184  $CFG->debugdeveloper       = true;
 185  
 186  // Require all needed libs
 187  require_once($CFG->libdir.'/setuplib.php');
 188  
 189  // we need to make sure we have enough memory to load all libraries
 190  $memlimit = @ini_get('memory_limit');
 191  if (!empty($memlimit) and $memlimit != -1) {
 192      if (get_real_size($memlimit) < get_real_size($minrequiredmemory)) {
 193          // do NOT localise - lang strings would not work here and we CAN not move it to later place
 194          echo "Moodle requires at least {$minrequiredmemory}B of PHP memory.<br />";
 195          echo "Please contact server administrator to fix PHP.ini memory settings.";
 196          die;
 197      }
 198  }
 199  
 200  // Continue with lib loading
 201  require_once($CFG->libdir.'/classes/text.php');
 202  require_once($CFG->libdir.'/classes/string_manager.php');
 203  require_once($CFG->libdir.'/classes/string_manager_install.php');
 204  require_once($CFG->libdir.'/classes/string_manager_standard.php');
 205  require_once($CFG->libdir.'/weblib.php');
 206  require_once($CFG->libdir.'/outputlib.php');
 207  require_once($CFG->libdir.'/dmllib.php');
 208  require_once($CFG->libdir.'/moodlelib.php');
 209  require_once($CFG->libdir .'/pagelib.php');
 210  require_once($CFG->libdir.'/deprecatedlib.php');
 211  require_once($CFG->libdir.'/adminlib.php');
 212  require_once($CFG->libdir.'/environmentlib.php');
 213  require_once($CFG->libdir.'/componentlib.class.php');
 214  require_once($CFG->dirroot.'/cache/lib.php');
 215  
 216  //point pear include path to moodles lib/pear so that includes and requires will search there for files before anywhere else
 217  //the problem is that we need specific version of quickforms and hacked excel files :-(
 218  ini_set('include_path', $CFG->libdir.'/pear' . PATH_SEPARATOR . ini_get('include_path'));
 219  //point zend include path to moodles lib/zend so that includes and requires will search there for files before anywhere else
 220  ini_set('include_path', $CFG->libdir.'/zend' . PATH_SEPARATOR . ini_get('include_path'));
 221  
 222  // Register our classloader, in theory somebody might want to replace it to load other hacked core classes.
 223  // Required because the database checks below lead to session interaction which is going to lead us to requiring autoloaded classes.
 224  if (defined('COMPONENT_CLASSLOADER')) {
 225      spl_autoload_register(COMPONENT_CLASSLOADER);
 226  } else {
 227      spl_autoload_register('core_component::classloader');
 228  }
 229  
 230  require ('version.php');
 231  $CFG->target_release = $release;
 232  
 233  \core\session\manager::init_empty_session();
 234  global $SESSION;
 235  global $USER;
 236  
 237  global $COURSE;
 238  $COURSE = new stdClass();
 239  $COURSE->id = 1;
 240  
 241  global $SITE;
 242  $SITE = $COURSE;
 243  define('SITEID', 1);
 244  
 245  $hint_dataroot = '';
 246  $hint_admindir = '';
 247  $hint_database = '';
 248  
 249  // Are we in help mode?
 250  if (isset($_GET['help'])) {
 251      install_print_help_page($_GET['help']);
 252  }
 253  
 254  //first time here? find out suitable dataroot
 255  if (is_null($CFG->dataroot)) {
 256      $CFG->dataroot = dirname(dirname(__FILE__)).DIRECTORY_SEPARATOR.'moodledata';
 257  
 258      $i = 0; //safety check - dirname might return some unexpected results
 259      while(is_dataroot_insecure()) {
 260          $parrent = dirname($CFG->dataroot);
 261          $i++;
 262          if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
 263              $CFG->dataroot = ''; //can not find secure location for dataroot
 264              break;
 265          }
 266          $CFG->dataroot = dirname($parrent).DIRECTORY_SEPARATOR.'moodledata';
 267      }
 268      $config->dataroot = $CFG->dataroot;
 269      $config->stage    = INSTALL_WELCOME;
 270  }
 271  
 272  // now let's do the stage work
 273  if ($config->stage < INSTALL_WELCOME) {
 274      $config->stage = INSTALL_WELCOME;
 275  }
 276  if ($config->stage > INSTALL_SAVE) {
 277      $config->stage = INSTALL_SAVE;
 278  }
 279  
 280  
 281  
 282  if ($config->stage == INSTALL_SAVE) {
 283      $CFG->early_install_lang = false;
 284  
 285      $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 286      if (!$database->driver_installed()) {
 287          $config->stage = INSTALL_DATABASETYPE;
 288      } else {
 289          if (function_exists('distro_pre_create_db')) { // Hook for distros needing to do something before DB creation
 290              $distro = distro_pre_create_db($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket), $distro);
 291          }
 292          $hint_database = install_db_validate($database, $config->dbhost, $config->dbuser, $config->dbpass, $config->dbname, $config->prefix, array('dbpersist'=>0, 'dbport'=>$config->dbport, 'dbsocket'=>$config->dbsocket));
 293  
 294          if ($hint_database === '') {
 295              $configphp = install_generate_configphp($database, $CFG);
 296  
 297              umask(0137);
 298              if (($fh = @fopen($configfile, 'w')) !== false) {
 299                  fwrite($fh, $configphp);
 300                  fclose($fh);
 301              }
 302  
 303              if (file_exists($configfile)) {
 304                  // config created, let's continue!
 305                  redirect("$CFG->wwwroot/$config->admin/index.php?lang=$config->lang");
 306              }
 307  
 308              install_print_header($config, 'config.php',
 309                                            get_string('configurationcompletehead', 'install'),
 310                                            get_string('configurationcompletesub', 'install').get_string('configfilenotwritten', 'install'), 'alert-error');
 311              echo '<div class="configphp"><pre>';
 312              echo p($configphp);
 313              echo '</pre></div>';
 314  
 315              install_print_footer($config);
 316              die;
 317  
 318          } else {
 319              $config->stage = INSTALL_DATABASE;
 320          }
 321      }
 322  }
 323  
 324  
 325  
 326  if ($config->stage == INSTALL_DOWNLOADLANG) {
 327      if (empty($CFG->dataroot)) {
 328          $config->stage = INSTALL_PATHS;
 329  
 330      } else if (is_dataroot_insecure()) {
 331          $hint_dataroot = get_string('pathsunsecuredataroot', 'install');
 332          $config->stage = INSTALL_PATHS;
 333  
 334      } else if (!file_exists($CFG->dataroot)) {
 335          $a = new stdClass();
 336          $a->parent = dirname($CFG->dataroot);
 337          $a->dataroot = $CFG->dataroot;
 338          if (!is_writable($a->parent)) {
 339              $hint_dataroot = get_string('pathsroparentdataroot', 'install', $a);
 340              $config->stage = INSTALL_PATHS;
 341          } else {
 342              if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
 343                  $hint_dataroot = get_string('pathserrcreatedataroot', 'install', $a);
 344                  $config->stage = INSTALL_PATHS;
 345              }
 346          }
 347  
 348      } else if (!install_init_dataroot($CFG->dataroot, $CFG->directorypermissions)) {
 349          $hint_dataroot = get_string('pathserrcreatedataroot', 'install', array('dataroot' => $CFG->dataroot));
 350          $config->stage = INSTALL_PATHS;
 351      }
 352  
 353      if (empty($hint_dataroot) and !is_writable($CFG->dataroot)) {
 354          $hint_dataroot = get_string('pathsrodataroot', 'install');
 355          $config->stage = INSTALL_PATHS;
 356      }
 357  
 358      if ($config->admin === '' or !file_exists($CFG->dirroot.'/'.$config->admin.'/environment.xml')) {
 359          $hint_admindir = get_string('pathswrongadmindir', 'install');
 360          $config->stage = INSTALL_PATHS;
 361      }
 362  }
 363  
 364  
 365  
 366  if ($config->stage == INSTALL_DOWNLOADLANG) {
 367      // no need to download anything if en lang selected
 368      if ($CFG->lang == 'en') {
 369          $config->stage = INSTALL_DATABASETYPE;
 370      }
 371  }
 372  
 373  
 374  
 375  if ($config->stage == INSTALL_DATABASETYPE) {
 376      // skip db selection if distro package supports only one db
 377      if (!empty($distro->dbtype)) {
 378          $config->stage = INSTALL_DATABASE;
 379      }
 380  }
 381  
 382  
 383  if ($config->stage == INSTALL_DOWNLOADLANG) {
 384      $downloaderror = '';
 385  
 386      // download and install required lang packs, the lang dir has already been created in install_init_dataroot
 387      $installer = new lang_installer($CFG->lang);
 388      $results = $installer->run();
 389      foreach ($results as $langcode => $langstatus) {
 390          if ($langstatus === lang_installer::RESULT_DOWNLOADERROR) {
 391              $a       = new stdClass();
 392              $a->url  = $installer->lang_pack_url($langcode);
 393              $a->dest = $CFG->dataroot.'/lang';
 394              $downloaderror = get_string('remotedownloaderror', 'error', $a);
 395          }
 396      }
 397  
 398      if ($downloaderror !== '') {
 399          install_print_header($config, get_string('language'), get_string('langdownloaderror', 'install', $CFG->lang), $downloaderror);
 400          install_print_footer($config);
 401          die;
 402      } else {
 403          if (empty($distro->dbtype)) {
 404              $config->stage = INSTALL_DATABASETYPE;
 405          } else {
 406              $config->stage = INSTALL_DATABASE;
 407          }
 408      }
 409  
 410      // switch the string_manager instance to stop using install/lang/
 411      $CFG->early_install_lang = false;
 412      $CFG->langotherroot      = $CFG->dataroot.'/lang';
 413      $CFG->langlocalroot      = $CFG->dataroot.'/lang';
 414      get_string_manager(true);
 415  }
 416  
 417  
 418  if ($config->stage == INSTALL_DATABASE) {
 419      $CFG->early_install_lang = false;
 420  
 421      $database = moodle_database::get_driver_instance($config->dbtype, 'native');
 422  
 423      $sub = '<h3>'.$database->get_name().'</h3>'.$database->get_configuration_help();
 424  
 425      install_print_header($config, get_string('database', 'install'), get_string('databasehead', 'install'), $sub);
 426  
 427      $strdbhost   = get_string('databasehost', 'install');
 428      $strdbname   = get_string('databasename', 'install');
 429      $strdbuser   = get_string('databaseuser', 'install');
 430      $strdbpass   = get_string('databasepass', 'install');
 431      $strprefix   = get_string('dbprefix', 'install');
 432      $strdbport   = get_string('databaseport', 'install');
 433      $strdbsocket = get_string('databasesocket', 'install');
 434  
 435      echo '<div class="userinput">';
 436  
 437      $disabled = empty($distro->dbhost) ? '' : 'disabled="disabled';
 438      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbhost">'.$strdbhost.'</label></div>';
 439      echo '<div class="fitemelement"><input id="id_dbhost" name="dbhost" '.$disabled.' type="text" value="'.s($config->dbhost).'" size="50" /></div>';
 440      echo '</div>';
 441  
 442      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbname">'.$strdbname.'</label></div>';
 443      echo '<div class="fitemelement"><input id="id_dbname" name="dbname" type="text" value="'.s($config->dbname).'" size="50" /></div>';
 444      echo '</div>';
 445  
 446      $disabled = empty($distro->dbuser) ? '' : 'disabled="disabled';
 447      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbuser">'.$strdbuser.'</label></div>';
 448      echo '<div class="fitemelement"><input id="id_dbuser" name="dbuser" '.$disabled.' type="text" value="'.s($config->dbuser).'" size="50" /></div>';
 449      echo '</div>';
 450  
 451      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbpass">'.$strdbpass.'</label></div>';
 452      // no password field here, the password may be visible in config.php if we can not write it to disk
 453      echo '<div class="fitemelement"><input id="id_dbpass" name="dbpass" type="text" value="'.s($config->dbpass).'" size="50" /></div>';
 454      echo '</div>';
 455  
 456      echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strprefix.'</label></div>';
 457      echo '<div class="fitemelement"><input id="id_prefix" name="prefix" type="text" value="'.s($config->prefix).'" size="10" /></div>';
 458      echo '</div>';
 459  
 460      echo '<div class="fitem"><div class="fitemtitle"><label for="id_prefix">'.$strdbport.'</label></div>';
 461      echo '<div class="fitemelement"><input id="id_dbport" name="dbport" type="text" value="'.s($config->dbport).'" size="10" /></div>';
 462      echo '</div>';
 463  
 464      if (!(stristr(PHP_OS, 'win') && !stristr(PHP_OS, 'darwin'))) {
 465          echo '<div class="fitem"><div class="fitemtitle"><label for="id_dbsocket">'.$strdbsocket.'</label></div>';
 466          echo '<div class="fitemelement"><input id="id_dbsocket" name="dbsocket" type="text" value="'.s($config->dbsocket).'" size="50" /></div>';
 467          echo '</div>';
 468      }
 469  
 470      if ($hint_database !== '') {
 471          echo '<div class="alert alert-error">'.$hint_database.'</div>';
 472      }
 473      echo '</div>';
 474      install_print_footer($config);
 475      die;
 476  }
 477  
 478  
 479  if ($config->stage == INSTALL_DATABASETYPE) {
 480      $CFG->early_install_lang = false;
 481  
 482      // Finally ask for DB type
 483      install_print_header($config, get_string('database', 'install'),
 484                                    get_string('databasetypehead', 'install'),
 485                                    get_string('databasetypesub', 'install'));
 486  
 487      $databases = array('mysqli' => moodle_database::get_driver_instance('mysqli', 'native'),
 488                         'mariadb'=> moodle_database::get_driver_instance('mariadb', 'native'),
 489                         'pgsql'  => moodle_database::get_driver_instance('pgsql',  'native'),
 490                         'oci'    => moodle_database::get_driver_instance('oci',    'native'),
 491                         'sqlsrv' => moodle_database::get_driver_instance('sqlsrv', 'native'), // MS SQL*Server PHP driver
 492                         'mssql'  => moodle_database::get_driver_instance('mssql',  'native'), // FreeTDS driver
 493                        );
 494  
 495      echo '<div class="userinput">';
 496      echo '<div class="fitem"><div class="fitemtitle"><label for="dbtype">'.get_string('dbtype', 'install').'</label></div>';
 497      echo '<div class="fitemelement"><select id="dbtype" name="dbtype">';
 498      $disabled = array();
 499      $options = array();
 500      foreach ($databases as $type=>$database) {
 501          if ($database->driver_installed() !== true) {
 502              $disabled[$type] = $database;
 503              continue;
 504          }
 505          echo '<option value="'.s($type).'">'.$database->get_name().'</option>';
 506      }
 507      if ($disabled) {
 508          echo '<optgroup label="'.s(get_string('notavailable')).'">';
 509          foreach ($disabled as $type=>$database) {
 510              echo '<option value="'.s($type).'" class="notavailable">'.$database->get_name().'</option>';
 511          }
 512          echo '</optgroup>';
 513      }
 514      echo '</select></div></div>';
 515      echo '</div>';
 516  
 517      install_print_footer($config);
 518      die;
 519  }
 520  
 521  
 522  
 523  if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
 524      $curl_fail    = ($lang !== 'en' and !extension_loaded('curl')); // needed for lang pack download
 525      $zip_fail     = ($lang !== 'en' and !extension_loaded('zip'));  // needed for lang pack download
 526  
 527      if ($curl_fail or $zip_fail) {
 528          $config->stage = INSTALL_ENVIRONMENT;
 529  
 530          install_print_header($config, get_string('environmenthead', 'install'),
 531                                        get_string('errorsinenvironment', 'install'),
 532                                        get_string('environmentsub2', 'install'));
 533  
 534          echo '<div id="envresult"><dl>';
 535          if ($curl_fail) {
 536              echo '<dt>'.get_string('phpextension', 'install', 'cURL').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 537          }
 538          if ($zip_fail) {
 539              echo '<dt>'.get_string('phpextension', 'install', 'Zip').'</dt><dd>'.get_string('environmentrequireinstall', 'admin').'</dd>';
 540          }
 541          echo '</dl></div>';
 542  
 543          install_print_footer($config, true);
 544          die;
 545  
 546      } else {
 547          $config->stage = INSTALL_PATHS;
 548      }
 549  }
 550  
 551  
 552  
 553  if ($config->stage == INSTALL_PATHS) {
 554      $paths = array('wwwroot'  => get_string('wwwroot', 'install'),
 555                     'dirroot'  => get_string('dirroot', 'install'),
 556                     'dataroot' => get_string('dataroot', 'install'));
 557  
 558      $sub = '<dl>';
 559      foreach ($paths as $path=>$name) {
 560          $sub .= '<dt>'.$name.'</dt><dd>'.get_string('pathssub'.$path, 'install').'</dd>';
 561      }
 562      if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
 563          $sub .= '<dt>'.get_string('admindirname', 'install').'</dt><dd>'.get_string('pathssubadmindir', 'install').'</dd>';
 564      }
 565      $sub .= '</dl>';
 566  
 567      install_print_header($config, get_string('paths', 'install'), get_string('pathshead', 'install'), $sub);
 568  
 569      $strwwwroot      = get_string('wwwroot', 'install');
 570      $strdirroot      = get_string('dirroot', 'install');
 571      $strdataroot     = get_string('dataroot', 'install');
 572      $stradmindirname = get_string('admindirname', 'install');
 573  
 574      echo '<div class="userinput">';
 575      echo '<div class="fitem"><div class="fitemtitle"><label for="id_wwwroot">'.$paths['wwwroot'].'</label></div>';
 576      echo '<div class="fitemelement"><input id="id_wwwroot" name="wwwroot" type="text" value="'.s($CFG->wwwroot).'" disabled="disabled" size="70" /></div>';
 577      echo '</div>';
 578  
 579      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dirroot">'.$paths['dirroot'].'</label></div>';
 580      echo '<div class="fitemelement"><input id="id_dirroot" name="dirroot" type="text" value="'.s($CFG->dirroot).'" disabled="disabled" size="70" /></div>';
 581      echo '</div>';
 582  
 583      echo '<div class="fitem"><div class="fitemtitle"><label for="id_dataroot">'.$paths['dataroot'].'</label></div>';
 584      echo '<div class="fitemelement"><input id="id_dataroot" name="dataroot" type="text" value="'.s($config->dataroot).'" size="70" /></div>';
 585      if ($hint_dataroot !== '') {
 586          echo '<div class="alert alert-error">'.$hint_dataroot.'</div>';
 587      }
 588      echo '</div>';
 589  
 590  
 591      if (!file_exists("$CFG->dirroot/admin/environment.xml")) {
 592          echo '<div class="fitem"><div class="fitemtitle"><label for="id_admin">'.$paths['admindir'].'</label></div>';
 593          echo '<div class="fitemelement"><input id="id_admin" name="admin" type="text" value="'.s($config->admin).'" size="10" /></div>';
 594          if ($hint_admindir !== '') {
 595              echo '<div class="alert alert-error">'.$hint_admindir.'</div>';
 596          }
 597          echo '</div>';
 598      }
 599  
 600      echo '</div>';
 601  
 602      install_print_footer($config);
 603      die;
 604  }
 605  
 606  
 607  
 608  $config->stage = INSTALL_WELCOME;
 609  
 610  if ($distro) {
 611      ob_start();
 612      include('install/distribution.html');
 613      $sub = ob_get_clean();
 614  
 615      install_print_header($config, get_string('language'),
 616                                    get_string('chooselanguagehead', 'install'),
 617                                    $sub, 'alert-success');
 618  
 619  } else {
 620      install_print_header($config, get_string('language'),
 621                                    get_string('chooselanguagehead', 'install'),
 622                                    get_string('chooselanguagesub', 'install'));
 623  }
 624  
 625  $languages = get_string_manager()->get_list_of_translations();
 626  echo '<div class="userinput">';
 627  echo '<div class="fitem"><div class="fitemtitle"><label for="langselect">'.get_string('language').'</label></div>';
 628  echo '<div class="fitemelement"><select id="langselect" name="lang" onchange="this.form.submit()">';
 629  foreach ($languages as $name=>$value) {
 630      $selected = ($name == $CFG->lang) ? 'selected="selected"' : '';
 631      echo '<option value="'.s($name).'" '.$selected.'>'.$value.'</option>';
 632  }
 633  echo '</select></div></div>';
 634  echo '</div>';
 635  
 636  install_print_footer($config);
 637  die;
 638  

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