install/include/ustep2.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2004 by Greg Gay, Joel Kronenberg, Heidi Hazelton */
   6 /* http://atutor.ca                                                                                                             */
   7 /*                                                                                                                                              */
   8 /* This program is free software. You can redistribute it and/or                */
   9 /* modify it under the terms of the GNU General Public License                  */
  10 /* as published by the Free Software Foundation.                                                */
  11 /************************************************************************/
  12 // $Id$
  13
  14 ignore_user_abort(true);
  15 @set_time_limit(0);
  16
  17 if (!defined('AT_INCLUDE_PATH')) { exit; }
  18
  19 function update_one_ver($up_file) {
  20         global $progress;
  21         $update_file = implode('_',$up_file);
  22         queryFromFile('db/'.$update_file.'sql');
  23         //$progress[] = 'Successful update from version '.$up_file[2].' to '.$up_file[4];
  24         return $up_file[4];
  25 }
  26
  27 $_POST['db_login'] = urldecode($_POST['db_login']);
  28 $_POST['db_password'] = urldecode($_POST['db_password']);
  29
  30         unset($errors);
  31         //check DB & table connection
  32
  33         $db = @mysql_connect($_POST['db_host'] . ':' . $_POST['db_port'], $_POST['db_login'], urldecode($_POST['db_password']));
  34
  35         if (!$db) {
  36                 $error_no = mysql_errno();
  37                 if ($error_no == 2005) {
  38                         $errors[] = 'Unable to connect to database server. Database with hostname '.$_POST['db_host'].' not found.';
  39                 } else {
  40                         $errors[] = 'Unable to connect to database server. Wrong username/password combination.';
  41                 }
  42         } else {
  43                 if (!mysql_select_db($_POST['db_name'], $db)) {
  44                         $errors[] = 'Unable to connect to database <b>'.$_POST['db_name'].'</b>.';
  45                 }
  46
  47                 $sql = "SELECT VERSION() AS version";
  48                 $result = mysql_query($sql, $db);
  49                 $row = mysql_fetch_assoc($result);
  50                 if (version_compare($row['version'], '4.0.2', '>=') === FALSE) {
  51                         $errors[] = 'MySQL version '.$row['version'].' was detected. ATutor requires version 4.0.2 or later.';
  52                 }
  53
  54                 if (!$errors) {
  55                         $progress[] = 'Connected to database <b>'.$_POST['db_name'].'</b> successfully.';
  56                         unset($errors);
  57
  58                         $sql = "DELETE FROM ".$_POST['tb_prefix']."language_text WHERE `variable`<>'_c_template' AND `variable`<>'_c_msgs'";
  59                         @mysql_query($sql, $db);
  60
  61                         $sql = "DELETE FROM ".$_POST['tb_prefix']."languages WHERE language_code<>'en'";
  62                         @mysql_query($sql, $db);
  63
  64                         //get list of all update scripts minus sql extension
  65                         $files = scandir('db');
  66                         foreach ($files as $file) {
  67                                 if(count($file = explode('_',$file))==5) {
  68                                         $file[4] = substr($file[4],0,-3);
  69                                         $update_files[$file[2]] = $file;
  70                                 }
  71                         }
  72
  73                         $curr_ver = $_POST['old_version'];
  74                         ksort($update_files);
  75                         foreach ($update_files as $up_file) {
  76                                 if(version_compare($curr_ver, $up_file[4], '<')) {
  77                                         update_one_ver($up_file);
  78                                 }
  79                         }
  80
  81                         /* reset all the accounts to English */
  82                         $sql = "UPDATE ".$_POST['tb_prefix']."members SET language='en', creation_date=creation_date, last_login=last_login";
  83                         @mysql_query($sql, $db);
  84
  85                         /* set all the courses to 'en' as primary language if empty. added 1.4.1 */
  86                         $sql = "UPDATE ".$_POST['tb_prefix']."courses SET primary_language='en' WHERE primary_language=''";
  87                         @mysql_query($sql, $db);
  88
  89                         queryFromFile('db/atutor_language_text.sql');
  90
  91                         if (!$errors) {
  92                                 print_progress($step);
  93
  94                                 unset($_POST['submit']);
  95                                 store_steps(1);
  96                                 print_feedback($progress);
  97
  98                                 echo '<form action="'.$_SERVER['PHP_SELF'].'" method="post" name="form">
  99                                 <input type="hidden" name="step" value="3" />
 100                                 <input type="hidden" name="upgrade_action" value="true" />';
 101                                 print_hidden(3);
 102                                 echo '<p align="center"><input type="submit" class="button" value=" Next &raquo; " name="submit" /></p></form>';
 103                                 return;
 104                         }
 105                 }
 106         }
 107
 108         print_progress($step);
 109
 110         unset($_POST['submit']);
 111         if (isset($progress)) {
 112                 print_feedback($progress);
 113         }
 114
 115         if (isset($errors)) {
 116                 print_errors($errors);
 117         }
 118
 119
 120         echo '<form action="'.$_SERVER['PHP_SELF'].'" method="post" name="form">
 121         <input type="hidden" name="step" value="2" />';
 122         store_steps(1);
 123         print_hidden(2);
 124
 125         if ($found_lang) {
 126 ?>
 127 <table width="60%" class="tableborder" cellspacing="0" cellpadding="1" border="0" align="center">
 128 <tr>
 129         <td colspan="2" class="row1"><p><small>All installed language packs and changes made to the default English language will be deleted. You will have to re-install any language packs by downloading the latest versions from ATutor.ca. Some language packs may not currently be available.</small></p></td>
 130 </tr>
 131 <tr>
 132         <td class="row1"><small><b><label for="dir">Continue with the upgrade?</label></b></small></td>
 133                 <td class="row1" valign="middle" nowrap="nowrap"><input type="radio" name="override" value="1" id="c2" /><label for="c2">Yes, Continue</label>, <input type="radio" name="override" value="0" id="c1" checked="checked" /><label for="c1">No, Cancel</label></td>
 134 </tr>
 135 </table><br />
 136         <?php
 137         }
 138
 139         echo '<input type="hidden" name="db_login" value="'.urlencode($_POST['db_login']).'" />';
 140         echo '<input type="hidden" name="db_password" value="'.urlencode($_POST['db_password']).'" />';
 141         echo '<input type="hidden" name="db_host" value="'.$_POST['db_host'].'" />';
 142         echo '<input type="hidden" name="db_name" value="'.$_POST['db_name'].'" />';
 143         echo '<input type="hidden" name="db_port" value="'.$_POST['db_port'].'" />';
 144         echo '<input type="hidden" name="tb_prefix" value="'.$_POST['tb_prefix'].'" />';
 145         echo '<input type="hidden" name="old_version" value="'.$_POST['old_version'].'" />';
 146         echo '<input type="hidden" name="new_version" value="'.$_POST['new_version'].'" />';
 147
 148         echo '<p align="center"><input type="submit" class="button" value=" Retry " name="submit" /></p></form>';
 149         return;
 150 ?>