install/index.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2006 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 define('AT_INCLUDE_PATH', 'include/');
  15 error_reporting(E_ALL ^ E_NOTICE);
  16
  17 require('../include/lib/constants.inc.php');
  18
  19 $new_version = VERSION;
  20
  21 header('Cache-Control: no-store, no-cache, must-revalidate');
  22 header('Pragma: no-cache');
  23
  24 $session_error = '';
  25 error_reporting(E_ALL);
  26 ob_start();
  27 session_start();
  28 $session_error = ob_get_contents();
  29 ob_end_clean();
  30 error_reporting(E_ALL ^ E_NOTICE);
  31
  32 require(AT_INCLUDE_PATH.'header.php');
  33 $bad  = '<img src="images/bad.gif" width="14" height="13" border="0" alt="Bad" title="Bad" />';
  34 $good = '<img src="images/feedback.gif" width="16" height="13" border="0" alt="Good" title="Good" />';
  35
  36 $no_good = FALSE;
  37 ?>
  38 <h3>Welcome to the ATutor Installation</h3>
  39 <p>This process will step you through your ATutor installation or upgrade.</p>
  40 <p>During this process be sure not to use your browser's <em>Refresh</em> or <em>Reload</em> feature as it may complicate the installation process.</p>
  41
  42 <p>Before you continue you may want to review the <a href="../documentation/admin/" target="_new"><em>ATutor Handbook</em></a> for more detailed instructions.</p>
  43
  44 <h4>Requirements</h4>
  45 <p>Please review the requirements below before proceeding.</p>
  46                 <table class="data" style="width: 75%; max-width: 600px;">
  47                 <tbody>
  48                 <tr>
  49                         <th scope="col">File Integrity</th>
  50                         <th scope="col">Detected</th>
  51                         <th scope="col">Status</th>
  52                 </tr>
  53                 <tr>
  54                         <td>Case Sensitivity</td>
  55                         <td><?php if (file_exists('../include/classes/CSVExport.class.php') && file_exists('../include/classes/csvexport.class.php')) {
  56                                                 echo 'Ignored</td><td align="center">';
  57                                                 echo $good;
  58                                         } else if (file_exists('../include/classes/CSVExport.class.php')) {
  59                                                 echo 'Enforced</td><td align="center">';
  60                                                 echo $good;
  61                                         } else {
  62                                                 echo 'Enforced</td><td align="center">';
  63                                                 echo $bad;
  64                                                 $no_good = TRUE;
  65                                         } ?></td>
  66                 </tr>
  67                 </tbody>
  68                 <tbody>
  69                 <tr>
  70                         <th scope="col">PHP Options</th>
  71                         <th scope="col">Detected</th>
  72                         <th scope="col">Status</th>
  73                 </tr>
  74                 <tr>
  75                         <td>PHP 4.3.0+</td>
  76                         <td><?php echo phpversion(); ?></td>
  77                         <td align="center"><?php        if (version_compare(phpversion(), '4.3.0', '>=')) {
  78                                                         echo $good;
  79                                                 } else {
  80                                                         echo $bad;
  81                                                         $no_good = TRUE;
  82                                                 } ?></td>
  83                 </tr>
  84                 <tr>
  85                         <td><kbd>zlib</kbd></td>
  86                         <td><?php if (extension_loaded('zlib')) {
  87                                                 echo 'Enabled</td><td align="center">';
  88                                                 echo $good;
  89                                         } else {
  90                                                 echo 'Disabled</td><td align="center">';
  91                                                 echo $bad;
  92                                                 $no_good = TRUE;
  93                                         } ?></td>
  94                 </tr>
  95                 <tr>
  96                         <td><kbd>mysql</kbd></td>
  97                         <td><?php if (extension_loaded('mysql')) {
  98                                                 echo 'Enabled</td><td align="center">';
  99                                                 echo $good;
 100                                         } else {
 101                                                 echo 'Disabled</td><td align="center">';
 102                                                 echo $bad;
 103                                                 $no_good = TRUE;
 104                                         } ?></td>
 105                 </tr>
 106                 <tr>
 107                         <td><kbd>safe_mode = Off</kbd></td>
 108                         <td><?php if (ini_get('safe_mode')) {
 109                                                         echo 'On</td><td align="center">';
 110                                                         echo $bad;
 111                                                         $no_good = TRUE;
 112                                                 } else {
 113                                                         echo 'Off</td><td align="center">';
 114                                                         echo $good;
 115                                                 } ?></td>
 116                 </tr>
 117                 <tr>
 118                         <td><kbd>file_uploads = On</kbd></td>
 119                         <td><?php if (ini_get('file_uploads')) {
 120                                                         echo 'On</td><td align="center">';
 121                                                         echo $good;
 122                                                 } else {
 123                                                         echo 'Off</td><td align="center">';
 124                                                         echo $bad;
 125                                                         $no_good = TRUE;
 126                                                 } ?></td>
 127                 </tr>
 128                 <tr>
 129                         <td><kbd>upload_max_filesize</kbd> &gt;= 2 MB</td>
 130                         <td><?php echo $filesize = ini_get('upload_max_filesize'); ?></td>
 131                         <td align="center"><?php
 132                                 $filesize_int = intval($filesize);
 133                                 if ("$filesize_int" == $filesize) {
 134                                         // value is in Bytes
 135                                         if ($filesize_int < 2 * 1024 * 1024) {
 136                                                 echo $bad;
 137                                         } else {
 138                                                 echo $good;
 139                                         }
 140                                 } else if (stristr($filesize, 'M') !== FALSE) {
 141                                         // value is in MegaBytes
 142                                         if ($filesize_int < 2) {
 143                                                 echo $bad;
 144                                         } else {
 145                                                 echo $good;
 146                                         }
 147                                 } else if (stristr($filesize, 'K') !== FALSE) {
 148                                         // value is in KiloBytes
 149                                         if ($filesize_int < 2 * 1024) {
 150                                                 echo $bad;
 151                                         } else {
 152                                                 echo $good;
 153                                         }
 154                                 } else if (stristr($filesize, 'G') !== FALSE) {
 155                                         // value is in GigaBytes
 156                                         echo $good;
 157                                 } else {
 158                                         // not set?
 159                                 }
 160                                 ?></td>
 161                 </tr>
 162                 <tr>
 163                         <td><kbd>post_max_size</kbd> &gt;= 8 MB</td>
 164                         <td><?php echo $filesize = ini_get('post_max_size'); ?></td>
 165                         <td align="center"><?php
 166                                 $filesize_int = intval($filesize);
 167                                 if ("$filesize_int" == $filesize) {
 168                                         // value is in Bytes
 169                                         if ($filesize_int < 8 * 1024 * 1024) {
 170                                                 echo $bad;
 171                                         } else {
 172                                                 echo $good;
 173                                         }
 174                                 } else if (stristr($filesize, 'M') !== FALSE) {
 175                                         // value is in MegaBytes
 176                                         if ($filesize_int < 8) {
 177                                                 echo $bad;
 178                                         } else {
 179                                                 echo $good;
 180                                         }
 181                                 } else if (stristr($filesize, 'K') !== FALSE) {
 182                                         // value is in KiloBytes
 183                                         if ($filesize_int < 8 * 1024) {
 184                                                 echo $bad;
 185                                         } else {
 186                                                 echo $good;
 187                                         }
 188                                 } else if (stristr($filesize, 'G') !== FALSE) {
 189                                         // value is in GigaBytes
 190                                         echo $good;
 191                                 } else {
 192                                         // not set?
 193                                 }
 194                                 ?></td>
 195                 </tr>
 196                 <tr>
 197                         <td><kbd>sessions</kbd></td>
 198                         <td><?php if (extension_loaded('session')) {
 199                                                 echo 'Enabled</td><td align="center">';
 200                                                 echo $good;
 201                                         } else {
 202                                                 echo 'Disabled</td><td align="center">';
 203                                                 echo $bad;
 204                                                 $no_good = TRUE;
 205                                         } ?></td>
 206                 </tr>
 207                 <tr>
 208                         <td><kbd>session.auto_start = 0</kbd></td>
 209                         <td><?php if (ini_get('session.auto_start')) {
 210                                                         echo '1</td><td align="center">';
 211                                                         echo $bad;
 212                                                         $no_good = TRUE;
 213                                                 } else {
 214                                                         echo '0</td><td align="center">';
 215                                                         echo $good;
 216                                                 } ?></td>
 217                 </tr>
 218                 <tr>
 219                         <td><kbd>session.save_path</kbd></td>
 220                         <td><?php
 221                                 if ($session_error == '') {
 222                                         echo 'Directory Writeable</td><td align="center">';
 223                                         echo $good;
 224                                 } else {
 225                                         echo 'Directory Not Writeable</td><td align="center">';
 226                                         echo $bad;
 227                                         $no_good = TRUE;
 228                                 }
 229                         ?></td>
 230                 </tr>
 231                 <tr>
 232                         <td><kbd>.</kbd> in <kbd>include_path</kbd></td>
 233                         <td><?php
 234                                 $include_path = explode(PATH_SEPARATOR, ini_get('include_path'));
 235                                 if (in_array('.', $include_path)) {
 236                                         echo 'Enabled</td><td align="center">';
 237                                         echo $good;
 238                                 } else {
 239                                         echo 'Disabled</td><td align="center">';
 240                                         echo $bad;
 241                                         $no_good = TRUE;
 242                                 }
 243                         ?></td>
 244                 </tr>
 245                 </tbody>
 246                 <tbody>
 247                 <tr>
 248                         <th scope="col">MySQL Options</th>
 249                         <th scope="col">Detected</th>
 250                         <th scope="col">Status</th>
 251                 </tr>
 252                 <tr>
 253                         <td>MySQL 4.0.2+</td>
 254                         <td><?php if (defined('MYSQL_NUM')) {
 255                                                 echo 'Found Unknown Version</td><td align="center">';
 256                                                 echo $good;
 257                                         } else {
 258                                                 echo 'Not Found</td><td align="center">';
 259                                                 echo $bad;
 260                                                 $no_good = TRUE;
 261                                         } ?></td>
 262                 </tr>
 263                 </tbody>
 264                 </table>
 265 <br />
 266
 267 <?php if ($no_good): ?>
 268         <table cellspacing="0" class="tableborder" cellpadding="1" align="center" width="70%">
 269         <tr>
 270                 <td class="row1"><strong>Your server does not meet the minimum requirements!<br />
 271                                                 Please correct the above errors to continue.</strong></td>
 272         </tr>
 273         </table>
 274 <?php else: ?>
 275         <table cellspacing="0" class="tableborder" cellpadding="1" align="center" width="70%">
 276         <tr>
 277                 <td align="right" class="row1" nowrap="nowrap"><strong>New Installation &raquo;</strong></td>
 278                 <td class="row1" width="150" align="center"><form action="install.php" method="post" name="form">
 279                 <input type="hidden" name="new_version" value="<?php echo $new_version; ?>" />
 280                 <input type="submit" class="button" value="  Install  " name="next" />
 281                 </form></td>
 282         </tr>
 283         </table>
 284         <table cellspacing="0" cellpadding="10" align="center" width="45%">
 285         <tr>
 286                 <td align="center"><b>Or</b></td>
 287         </tr>
 288         </table>
 289         <table cellspacing="0" class="tableborder" cellpadding="1" align="center" width="70%">
 290         <tr>
 291                 <td align="right" class="row1" nowrap="nowrap"><strong>Upgrade an Existing Installation &raquo;</strong></td>
 292                 <td class="row1" width="150" align="center"><form action="upgrade.php" method="post" name="form">
 293                 <input type="hidden" name="new_version" value="<?php echo $new_version; ?>" />
 294                 <input type="submit" class="button" value="Upgrade" name="next" />
 295                 </form></td>
 296         </tr>
 297         </table>
 298 <?php endif; ?>
 299
 300 <?php require(AT_INCLUDE_PATH.'footer.php'); ?>