install/index.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2008 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 $not_as_good = FALSE;
  38 ?>
  39 <h3>Welcome to the ATutor Installation</h3>
  40 <p>This process will step you through your ATutor installation or upgrade.</p>
  41 <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>
  42
  43 <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>
  44
  45 <h4>Requirements</h4>
  46 <p>Please review the requirements below before proceeding.</p>
  47                 <table class="data" style="width: 75%; max-width: 600px;">
  48                 <tbody>
  49                 <tr>
  50                         <th scope="col">File Integrity</th>
  51                         <th scope="col">Detected</th>
  52                         <th scope="col">Status</th>
  53                 </tr>
  54                 <tr>
  55                         <td>Case Sensitivity</td>
  56                         <td><?php if (file_exists('../include/classes/CSVExport.class.php') && file_exists('../include/classes/csvexport.class.php')) {
  57                                                 echo 'Ignored</td><td align="center">';
  58                                                 echo $good;
  59                                         } else if (file_exists('../include/classes/CSVExport.class.php')) {
  60                                                 echo 'Enforced</td><td align="center">';
  61                                                 echo $good;
  62                                         } else {
  63                                                 echo 'Enforced</td><td align="center">';
  64                                                 echo $bad;
  65                                                 $no_good = TRUE;
  66                                         } ?></td>
  67                 </tr>
  68                 </tbody>
  69                 <tbody>
  70                 <tr>
  71                         <th scope="col">PHP Options</th>
  72                         <th scope="col">Detected</th>
  73                         <th scope="col">Status</th>
  74                 </tr>
  75                 <tr>
  76                         <td>PHP 4.3.0+</td>
  77                         <td><?php echo phpversion(); ?></td>
  78                         <td align="center"><?php        if (version_compare(phpversion(), '4.3.0', '>=')) {
  79                                                         echo $good;
  80                                                 } else {
  81                                                         echo $bad;
  82                                                         $no_good = TRUE;
  83                                                 } ?></td>
  84                 </tr>
  85                 <tr>
  86                         <td><kbd>zlib</kbd></td>
  87                         <td><?php if (extension_loaded('zlib')) {
  88                                                 echo 'Enabled</td><td align="center">';
  89                                                 echo $good;
  90                                         } else {
  91                                                 echo 'Disabled</td><td align="center">';
  92                                                 echo $bad;
  93                                                 $no_good = TRUE;
  94                                         } ?></td>
  95                 </tr>
  96                 <tr>
  97                         <td><kbd>mbstring</kbd></td>
  98                         <td><?php if (extension_loaded('mbstring')) {
  99                                                 echo 'Enabled</td><td align="center">';
 100                                                 echo $good;
 101                                         } else {
 102                                                 echo 'Disabled</td><td align="center">';
 103                                                 echo $bad;
 104                                                 $not_as_good = TRUE;
 105                                         } ?></td>
 106                 </tr>
 107                 <tr>
 108                         <td><kbd>mysql</kbd></td>
 109                         <td><?php if (extension_loaded('mysql')) {
 110                                                 echo 'Enabled</td><td align="center">';
 111                                                 echo $good;
 112                                         } else {
 113                                                 echo 'Disabled</td><td align="center">';
 114                                                 echo $bad;
 115                                                 $no_good = TRUE;
 116                                         } ?></td>
 117                 </tr>
 118                 <tr>
 119                         <td><kbd>safe_mode = Off</kbd></td>
 120                         <td><?php if (ini_get('safe_mode')) {
 121                                                         echo 'On</td><td align="center">';
 122                                                         echo $bad;
 123                                                         $no_good = TRUE;
 124                                                 } else {
 125                                                         echo 'Off</td><td align="center">';
 126                                                         echo $good;
 127                                                 } ?></td>
 128                 </tr>
 129                 <tr>
 130                         <td><kbd>file_uploads = On</kbd></td>
 131                         <td><?php if (ini_get('file_uploads')) {
 132                                                         echo 'On</td><td align="center">';
 133                                                         echo $good;
 134                                                 } else {
 135                                                         echo 'Off</td><td align="center">';
 136                                                         echo $bad;
 137                                                         $no_good = TRUE;
 138                                                 } ?></td>
 139                 </tr>
 140                 <tr>
 141                         <td><kbd>upload_max_filesize</kbd> &gt;= 2 MB</td>
 142                         <td><?php echo $filesize = ini_get('upload_max_filesize'); ?></td>
 143                         <td align="center"><?php
 144                                 $filesize_int = intval($filesize);
 145                                 if ("$filesize_int" == $filesize) {
 146                                         // value is in Bytes
 147                                         if ($filesize_int < 2 * 1024 * 1024) {
 148                                                 echo $bad;
 149                                         } else {
 150                                                 echo $good;
 151                                         }
 152                                 } else if (stristr($filesize, 'M') !== FALSE) {
 153                                         // value is in MegaBytes
 154                                         if ($filesize_int < 2) {
 155                                                 echo $bad;
 156                                         } else {
 157                                                 echo $good;
 158                                         }
 159                                 } else if (stristr($filesize, 'K') !== FALSE) {
 160                                         // value is in KiloBytes
 161                                         if ($filesize_int < 2 * 1024) {
 162                                                 echo $bad;
 163                                         } else {
 164                                                 echo $good;
 165                                         }
 166                                 } else if (stristr($filesize, 'G') !== FALSE) {
 167                                         // value is in GigaBytes
 168                                         echo $good;
 169                                 } else {
 170                                         // not set?
 171                                 }
 172                                 ?></td>
 173                 </tr>
 174                 <tr>
 175                         <td><kbd>post_max_size</kbd> &gt;= 8 MB</td>
 176                         <td><?php echo $filesize = ini_get('post_max_size'); ?></td>
 177                         <td align="center"><?php
 178                                 $filesize_int = intval($filesize);
 179                                 if ("$filesize_int" == $filesize) {
 180                                         // value is in Bytes
 181                                         if ($filesize_int < 8 * 1024 * 1024) {
 182                                                 echo $bad;
 183                                         } else {
 184                                                 echo $good;
 185                                         }
 186                                 } else if (stristr($filesize, 'M') !== FALSE) {
 187                                         // value is in MegaBytes
 188                                         if ($filesize_int < 8) {
 189                                                 echo $bad;
 190                                         } else {
 191                                                 echo $good;
 192                                         }
 193                                 } else if (stristr($filesize, 'K') !== FALSE) {
 194                                         // value is in KiloBytes
 195                                         if ($filesize_int < 8 * 1024) {
 196                                                 echo $bad;
 197                                         } else {
 198                                                 echo $good;
 199                                         }
 200                                 } else if (stristr($filesize, 'G') !== FALSE) {
 201                                         // value is in GigaBytes
 202                                         echo $good;
 203                                 } else {
 204                                         // not set?
 205                                 }
 206                                 ?></td>
 207                 </tr>
 208                 <tr>
 209                         <td><kbd>sessions</kbd></td>
 210                         <td><?php if (extension_loaded('session')) {
 211                                                 echo 'Enabled</td><td align="center">';
 212                                                 echo $good;
 213                                         } else {
 214                                                 echo 'Disabled</td><td align="center">';
 215                                                 echo $bad;
 216                                                 $no_good = TRUE;
 217                                         } ?></td>
 218                 </tr>
 219                 <tr>
 220                         <td><kbd>session.auto_start = 0</kbd></td>
 221                         <td><?php if (ini_get('session.auto_start')) {
 222                                                         echo '1</td><td align="center">';
 223                                                         echo $bad;
 224                                                         $no_good = TRUE;
 225                                                 } else {
 226                                                         echo '0</td><td align="center">';
 227                                                         echo $good;
 228                                                 } ?></td>
 229                 </tr>
 230                 <tr>
 231                         <td><kbd>session.save_path</kbd></td>
 232                         <td><?php
 233                                 if ($session_error == '') {
 234                                         echo 'Directory Writeable</td><td align="center">';
 235                                         echo $good;
 236                                 } else {
 237                                         echo 'Directory Not Writeable</td><td align="center">';
 238                                         echo $bad;
 239                                         $no_good = TRUE;
 240                                 }
 241                         ?></td>
 242                 </tr>
 243                 <tr>
 244                         <td><kbd>.</kbd> in <kbd>include_path</kbd></td>
 245                         <td><?php
 246                                 $include_path = explode(PATH_SEPARATOR, ini_get('include_path'));
 247                                 if (in_array('.', $include_path)) {
 248                                         echo 'Enabled</td><td align="center">';
 249                                         echo $good;
 250                                 } else {
 251                                         echo 'Disabled</td><td align="center">';
 252                                         echo $bad;
 253                                         $no_good = TRUE;
 254                                 }
 255                         ?></td>
 256                 </tr>
 257                 </tbody>
 258                 <tbody>
 259                 <tr>
 260                         <th scope="col">MySQL Options</th>
 261                         <th scope="col">Detected</th>
 262                         <th scope="col">Status</th>
 263                 </tr>
 264                 <tr>
 265                         <td>MySQL 4.1.10+</td>
 266                         <td><?php if (defined('MYSQL_NUM')) {
 267                                                 $mysql_version = mysql_get_client_info();
 268                                                 echo 'Found  Version '.$mysql_version.'</td><td align="center">';
 269                                                 echo $good;
 270                                         } else {
 271                                                 echo 'Not Found</td><td align="center">';
 272                                                 echo $bad;
 273                                                 $no_good = TRUE;
 274                                         } ?></td>
 275                 </tr>
 276                 </tbody>
 277                 </table>
 278 <br />
 279
 280 <?php if ($no_good): ?>
 281         <table cellspacing="0" class="tableborder" cellpadding="1" align="center" width="70%">
 282         <tr>
 283                 <td class="row1"><strong>Your server does not meet the minimum requirements!<br />
 284                                                 Please correct the above errors to continue.</strong></td>
 285         </tr>
 286         </table>
 287 <?php elseif ($not_as_good): ?>
 288         <table cellspacing="0" class="tableborder" cellpadding="1" align="center" width="70%">
 289         <tr>
 290                 <td class="row1"><strong>ATutor has indicated that the 'mbstring' library is missing from the PHP.  <br />
 291                                                 We strongly encourage you to install the 'mbstring' library before continuing, however, if you choose not to install the library from PHP, a third party library within ATutor will be used.  <br/><br/>
 292                                                 For production systems, we strongly encourage you to install the PHP with <a href="http://ca.php.net/manual/en/ref.mbstring.php" target="php_site">mbstring</a> support.  <br/><br/>
 293                                                 You may choose to by pass the mbstring check for the installation at your own risk by clicking <a href="javascript:void(0);" onclick="javascript:document.form.next.disabled=false;">continue</a>.</strong></td>
 294                 <td class="row1"></td>
 295         </tr>
 296         <tr>
 297                 <td align="right" class="row1" nowrap="nowrap"><strong>New Installation &raquo;</strong></td>
 298                 <td class="row1" width="150" align="center">
 299                 <div id=''>
 300                         <form action="install.php" method="post" name="form">
 301                         <input type="hidden" name="new_version" value="<?php echo $new_version; ?>" />
 302                         <input type="submit" class="button" value="  Install  " name="next" disabled="true" />
 303                         </form>
 304                 </div>
 305                 </td>
 306         </tr>
 307         </table>
 308         <table cellspacing="0" cellpadding="10" align="center" width="45%">
 309         <tr>
 310                 <td align="center"><b>Or</b></td>
 311         </tr>
 312         </table>
 313         <table cellspacing="0" class="tableborder" cellpadding="1" align="center" width="70%">
 314         <tr>
 315                 <td class="row1"><strong>Upgrading from previous ATutor must have mbstring library installed.</strong></td>
 316                 <td class="row1"></td>
 317         </tr>
 318         <tr>
 319                 <td align="right" class="row1" nowrap="nowrap"><strong>Upgrade an Existing Installation &raquo;</strong></td>
 320                 <td class="row1" width="150" align="center">
 321                 <input type="button" class="button" value="Upgrade" name="next" disabled="true"/>
 322                 </form></td>
 323         </tr>
 324         </table>
 325 <?php else: ?>
 326         <table cellspacing="0" class="tableborder" cellpadding="1" align="center" width="70%">
 327         <tr>
 328                 <td align="right" class="row1" nowrap="nowrap"><strong>New Installation &raquo;</strong></td>
 329                 <td class="row1" width="150" align="center"><form action="install.php" method="post" name="form">
 330                 <input type="hidden" name="new_version" value="<?php echo $new_version; ?>" />
 331                 <input type="submit" class="button" value="  Install  " name="next" />
 332                 </form></td>
 333         </tr>
 334         </table>
 335         <table cellspacing="0" cellpadding="10" align="center" width="45%">
 336         <tr>
 337                 <td align="center"><b>Or</b></td>
 338         </tr>
 339         </table>
 340         <table cellspacing="0" class="tableborder" cellpadding="1" align="center" width="70%">
 341         <tr>
 342                 <td align="right" class="row1" nowrap="nowrap"><strong>Upgrade an Existing Installation &raquo;</strong></td>
 343                 <td class="row1" width="150" align="center"><form action="upgrade.php" method="post" name="form">
 344                 <input type="hidden" name="new_version" value="<?php echo $new_version; ?>" />
 345                 <input type="submit" class="button" value="Upgrade" name="next" />
 346                 </form></td>
 347         </tr>
 348         </table>
 349 <?php endif; ?>
 350
 351 <?php require(AT_INCLUDE_PATH.'footer.php'); ?>