Source: /textpattern/update/_update.php - 133 lines - 3951 bytes - Summary - Text - Print

   1  <?php
   2  
   3  /*
   4   * Textpattern Content Management System
   5   * http://textpattern.com
   6   *
   7   * Copyright (C) 2016 The Textpattern Development Team
   8   *
   9   * This file is part of Textpattern.
  10   *
  11   * Textpattern is free software; you can redistribute it and/or
  12   * modify it under the terms of the GNU General Public License
  13   * as published by the Free Software Foundation, version 2.
  14   *
  15   * Textpattern is distributed in the hope that it will be useful,
  16   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18   * GNU General Public License for more details.
  19   *
  20   * You should have received a copy of the GNU General Public License
  21   * along with Textpattern. If not, see <http://www.gnu.org/licenses/>.
  22   */
  23  
  24  if (!defined('TXP_UPDATE')) {
  25      exit("Nothing here. You can't access this file directly.");
  26  }
  27  
  28  global $thisversion, $dbversion, $txp_using_svn, $dbupdatetime;
  29  
  30  $dbupdates = array(
  31      '1.0.0',
  32      '4.0.2', '4.0.3', '4.0.4', '4.0.5', '4.0.6', '4.0.7', '4.0.8',
  33      '4.2.0',
  34      '4.3.0',
  35      '4.5.0', '4.5.7',
  36      '4.6.0'
  37  );
  38  
  39  function newest_file()
  40  {
  41      $newest = 0;
  42      $dp = opendir(txpath.'/update/');
  43  
  44      while (false !== ($file = readdir($dp))) {
  45          if (strpos($file, "_") === 0) {
  46              $newest = max($newest, filemtime(txpath."/update/$file"));
  47          }
  48      }
  49  
  50      closedir($dp);
  51  
  52      return $newest;
  53  }
  54  
  55  if (($dbversion == '') ||
  56      (strpos($dbversion, 'g1') === 0) ||
  57      (strpos($dbversion, '1.0rc') === 0)) {
  58      $dbversion = '0.9.9';
  59  }
  60  
  61  $dbversion_target = $thisversion;
  62  
  63  if ($dbversion == $dbversion_target ||
  64      ($txp_using_svn && (newest_file() <= $dbupdatetime))) {
  65      return;
  66  }
  67  
  68  assert_system_requirements();
  69  
  70  @ignore_user_abort(1);
  71  @set_time_limit(0);
  72  
  73  // Wipe out the last update check setting so the next visit to Diagnostics
  74  // forces an update check, which resets the message. Without this, people who
  75  // upgrade in future may still see a "new version available" message for some
  76  // time after upgrading.
  77  safe_delete('txp_prefs', "name = 'last_update_check'");
  78  
  79  set_error_handler("updateErrorHandler");
  80  
  81  $updates = array_fill_keys($dbupdates, true);
  82  
  83  if (!isset($updates[$dbversion_target])) {
  84      $updates[$dbversion_target] = false;
  85  }
  86  
  87  try {
  88      foreach ($updates as $dbupdate => $update) {
  89          if (version_compare($dbversion, $dbupdate, '<')) {
  90              if ($update && (include txpath.DS.'update'.DS.'_to_'.$dbupdate.'.php') === false) {
  91                  trigger_error('Something bad happened. Not sure what exactly', E_USER_ERROR);
  92              }
  93  
  94              if (!($txp_using_svn && $dbversion_target == $dbupdate)) {
  95                  $dbversion = $dbupdate;
  96              }
  97          }
  98      }
  99  
 100      // Keep track of updates for SVN users.
 101      safe_delete('txp_prefs', "name = 'dbupdatetime'");
 102      safe_insert('txp_prefs', "prefs_id = 1, name = 'dbupdatetime', val = '".max(newest_file(), time())."', type = '2'");
 103  } catch (Exception $e) {
 104      // Nothing to do here, the goal was just to abort the update scripts
 105      // Error message already communicated via updateErrorHandler
 106  }
 107  
 108  restore_error_handler();
 109  
 110  // Update version.
 111  safe_delete('txp_prefs', "name = 'version'");
 112  safe_insert('txp_prefs', "prefs_id = 1, name = 'version', val = '$dbversion', type = '2'");
 113  
 114  // Invite optional third parties to the update experience
 115  // Convention: Put custom code into file(s) at textpattern/update/custom/post-update-abc-foo.php
 116  // where 'abc' is the third party's reserved prefix (@see http://docs.textpattern.io/development/plugin-developer-prefixes)
 117  // and 'foo' is whatever. The execution order among all files is undefined.
 118  $files = glob(txpath.'/update/custom/post-update*.php');
 119  
 120  if (is_array($files)) {
 121      foreach ($files as $f) {
 122          include $f;
 123      }
 124  }
 125  
 126  // Updated, baby. So let's get the fresh prefs and send them to languages.
 127  define('TXP_UPDATE_DONE', 1);
 128  $event = 'lang';
 129  $step = 'list_languages';
 130  
 131  $prefs = get_prefs();
 132  
 133  extract($prefs);