mods/_core/themes/install_themes.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2010                                              */
   6 /* Inclusive Design Institute                                           */
   7 /* http://atutor.ca                                                     */
   8 /*                                                                      */
   9 /* This program is free software. You can redistribute it and/or        */
  10 /* modify it under the terms of the GNU General Public License          */
  11 /* as published by the Free Software Foundation.                        */
  12 /************************************************************************/
  13 // $Id:
  14
  15 define('AT_INCLUDE_PATH', '../../../include/');
  16 require (AT_INCLUDE_PATH.'vitals.inc.php');
  17 admin_authenticate(AT_ADMIN_PRIV_ADMIN);
  18 require(AT_INCLUDE_PATH.'../mods/_core/themes/classes/ThemeListParser.class.php');
  19 require_once(AT_INCLUDE_PATH.'../mods/_core/file_manager/filemanager.inc.php');
  20
  21 // delete all folders and files in $dir
  22 function clear_dir($dir)
  23 {
  24         if ($dh = opendir($dir))
  25         {
  26                 while (($file = readdir($dh)) !== false)
  27                 {
  28                         if (($file == '.') || ($file == '..'))
  29                                 continue;
  30
  31                         if (is_dir($dir.$file))
  32                                 clr_dir($dir.$file);
  33                         else
  34                                 unlink($dir.$file);
  35                 }
  36
  37                 closedir($dh);
  38         }
  39 }
  40
  41 set_time_limit(0);
  42
  43 // check the connection to server update.atutor.ca
  44 $update_server = "http://update.atutor.ca";
  45 $connection_test_file = $update_server . '/index.php';
  46 $connection = @file_get_contents($connection_test_file);
  47
  48 if (!$connection)
  49 {
  50         $infos = array('CANNOT_CONNECT_SERVER', $update_server);
  51         $msg->addError($infos);
  52
  53         require(AT_INCLUDE_PATH.'header.inc.php');
  54   $msg->printAll();
  55         require(AT_INCLUDE_PATH.'footer.inc.php');
  56         exit;
  57 }
  58
  59 // get theme list
  60 $theme_folder = $update_server . '/themes/';
  61 $local_theme_folder = "../../../themes/";
  62
  63 $theme_list_xml = @file_get_contents($theme_folder . 'theme_list.xml');
  64
  65 if ($theme_list_xml)
  66 {
  67         $themeListParser = new ThemeListParser();
  68         $themeListParser->parse($theme_list_xml);
  69         $theme_list_array = $themeListParser->getParsedArray();
  70 }
  71 // end of get theme list
  72
  73 $theme_content_folder = AT_CONTENT_DIR . "theme/";
  74
  75 // create theme content dir if not exists
  76 if (!is_dir($theme_content_folder)) mkdir($theme_content_folder);
  77
  78 // Installation process
  79 if ((isset($_POST['install']) || isset($_POST["download"]) || isset($_POST["version_history"])) && !isset($_POST["id"]))
  80 {
  81         $msg->addError('NO_ITEM_SELECTED');
  82 }
  83 else if (isset($_POST['install']) || isset($_POST["download"]) || isset($_POST["version_history"]) || isset($_POST["import"]))
  84 {
  85         if ($_POST['version_history'])
  86         {
  87                 header('Location: '.AT_BASE_HREF.'mods/_core/themes/version_history.php?id='.$_POST["id"]);
  88                 exit;
  89         }
  90
  91         // install and download
  92         if ($_POST["import"])
  93         {
  94                 if (isset($_POST['url']) && ($_POST['url'] != 'http://') )
  95                 {
  96                         $file_content = file_get_contents($_POST['url']);
  97                         $filename = pathinfo($_POST['url']);
  98                         $filename = $filename['basename'];
  99                 }
 100                 else
 101                 {
 102                         $file_content = file_get_contents($_FILES['themefile']['tmp_name']);
 103                         $filename = $_FILES['themefile']['name'];
 104                 }
 105         }
 106         else
 107         {
 108                 $file_content = file_get_contents($theme_folder . $theme_list_array[$_POST["id"]]['history'][0]['location'].$theme_list_array[$_POST["id"]]['history'][0]['filename']);
 109         }
 110
 111         if (!$file_content & ($_POST['install'] || $_POST['download']))
 112         {
 113                 $msg->addError('FILE_NOT_EXIST');
 114         }
 115         else
 116         {
 117                 if ($_POST['install'] || $_POST['import'])
 118                 {
 119                         clear_dir($theme_content_folder);
 120
 121                         // download zip file from update.atutor.ca and write into theme content folder
 122                         if ($_POST["import"])
 123                                 $local_theme_zip_file = $theme_content_folder . $filename;
 124                         else
 125                                 $local_theme_zip_file = $theme_content_folder. $theme_list_array[$_POST["id"]]['history'][0]['filename'];
 126
 127                         $fp = fopen($local_theme_zip_file, "w");
 128                         fwrite($fp, $file_content);
 129                         fclose($fp);
 130
 131                         // unzip uploaded file to theme's content directory
 132                         include_once(AT_INCLUDE_PATH . '/classes/pclzip.lib.php');
 133
 134                         $archive = new PclZip($local_theme_zip_file);
 135
 136                         if ($archive->extract(PCLZIP_OPT_PATH, $theme_content_folder) == 0)
 137                         {
 138                     clear_dir($theme_content_folder);
 139                     $msg->addError('CANNOT_UNZIP');
 140                   }
 141
 142                   if (!$msg->containsErrors())
 143                   {
 144                                 // find unzip theme folder name
 145                                 clearstatcache();
 146
 147                                 if ($dh = opendir($theme_content_folder))
 148                                 {
 149                                         while (($this_theme_folder = readdir($dh)) !== false)
 150                                         {
 151                                                 if ($this_theme_folder <> "." && $this_theme_folder <> ".." && is_dir($theme_content_folder.$this_theme_folder)) break;
 152                                         }
 153
 154                                         closedir($dh);
 155                                 }
 156
 157                                 if ($this_theme_folder == "." || $this_theme_folder == ".." || !isset($this_theme_folder))
 158                                         $msg->addError('EMPTY_ZIP_FILE');
 159                         }
 160
 161                   // check if the same theme exists in "themes" folder. If exists, it has been installed
 162                   if (!$msg->containsErrors())
 163                   {
 164                   debug($local_theme_folder. $this_theme_folder);
 165                         if (is_dir($local_theme_folder. $this_theme_folder))
 166                                 $msg->addError('ALREADY_INSTALLED');
 167                   }
 168
 169                   if (!$msg->containsErrors())
 170                   {
 171                                 header('Location: theme_install_step_1.php?theme='.urlencode($this_theme_folder).SEP.'title='.urlencode($theme_list_array[$_POST["id"]]["name"]));
 172                                 exit;
 173                         }
 174                 }
 175
 176                 if ($_POST['download'])
 177                 {
 178                         $id = intval($_POST['id']);
 179
 180                         header('Content-Type: application/x-zip');
 181                         header('Content-transfer-encoding: binary');
 182                         header('Content-Disposition: attachment; filename="'.htmlspecialchars($theme_list_array[$id]['history'][0]['filename']).'"');
 183                         header('Expires: 0');
 184                         header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 185                         header('Pragma: public');
 186                         header('Content-Length: '.strlen($file_content));
 187
 188                         echo $file_content;
 189                         exit;
 190                 }
 191         }
 192 }
 193
 194 require (AT_INCLUDE_PATH.'header.inc.php');
 195
 196 $msg->printErrors();
 197
 198 ?>
 199
 200 <form name="frm_upload" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>" enctype="multipart/form-data">
 201 <div class="input-form" style="width:95%;">
 202         <div class="row">
 203                 <h3><?php echo _AT('import_theme'); ?></h3>
 204         </div>
 205
 206         <div class="row">
 207                 <input type="hidden" name="MAX_FILE_SIZE" value="52428800" />
 208                 <label for="file"><?php echo _AT('upload_theme_package'); ?></label><br />
 209                 <input type="file" name="themefile" size="40" id="file" />
 210         </div>
 211
 212         <div class="row">
 213                 <label for="url"><?php echo _AT('specify_url_to_theme_package'); ?></label><br />
 214                 <input type="text" name="url" value="http://" size="40" id="url" />
 215         </div>
 216
 217         <div class="row buttons">
 218                 <input type= "submit" name="import" value="<?php echo _AT('import'); ?>" onclick="javascript: return validate_filename(); " />
 219         </div>
 220 </div>
 221 </form>
 222
 223 <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" name="form">
 224 <?php
 225 ?>
 226 <table class="data" summary="" rules="all">
 227 <thead>
 228         <tr>
 229                 <th scope="col">&nbsp;</th>
 230                 <th scope="col"><?php echo _AT('title');?></th>
 231                 <th scope="col"><?php echo _AT('installed').'?';?></th>
 232                 <th scope="col"><?php echo _AT('atutor_version_tested_with');?></th>
 233                 <th scope="col"><?php echo _AT('description');?></th>
 234                 <th scope="col"><?php echo _AT('theme_screenshot');?></th>
 235         </tr>
 236 </thead>
 237
 238 <tfoot>
 239 <tr>
 240         <td colspan="6">
 241                 <input type="submit" name="install" value="<?php echo _AT('install'); ?>" />
 242                 <input type="submit" name="download" value="<?php echo _AT('download'); ?>" />
 243                 <input type="submit" name="version_history" value="<?php echo _AT('version_history'); ?>" />
 244         </td>
 245 </tr>
 246 </tfoot>
 247
 248 <tbody>
 249 <?php
 250 $num_of_themes = count($theme_list_array);
 251
 252 if ($num_of_themes == 0)
 253 {
 254 ?>
 255
 256 <tr>
 257         <td colspan="6"><?php echo _AT('none_found'); ?></td>
 258 </tr>
 259
 260 <?php
 261 }
 262 else
 263 {
 264         // display themes
 265         if(is_array($theme_list_array))
 266         {
 267                 for ($i=0; $i < $num_of_themes; $i++)
 268                 {
 269                         // check if the theme has been installed
 270                         if (is_dir($local_theme_folder . $theme_list_array[$i]["history"][0]["install_folder"]))
 271                                 $installed = true;
 272                         else
 273                                 $installed = false;
 274
 275 ?>
 276         <tr onmousedown="document.form['m<?php echo $i; ?>'].checked = true; rowselect(this);"  id="r_<?php echo $i; ?>">
 277                 <td><input type="radio" name="id" value="<?php echo $i; ?>" id="m<?php echo $i; ?>" <?php if ($installed) echo 'disabled="disabled"'; ?> /></td>
 278                 <td><label for="m<?php echo $i; ?>"><?php echo $theme_list_array[$i]["name"]; ?></label></td>
 279                 <td><?php if ($installed) echo _AT("installed"); else echo _AT("not_installed"); ?></td>
 280                 <td><?php echo $theme_list_array[$i]["history"][0]["atutor_version"]; ?></td>
 281                 <td><?php echo $theme_list_array[$i]["description"]; ?></td>
 282                 <td><?php if (file_get_contents($theme_folder.$theme_list_array[$i]["history"][0]["screenshot_file"])) { ?>
 283                         <img src="<?php echo $theme_folder.$theme_list_array[$i]["history"][0]["screenshot_file"]; ?>" border="1" alt="<?php echo _AT('theme_screenshot'); ?>" />
 284                         <?php }?>
 285                 </td>
 286         </tr>
 287
 288 <?php
 289                 }
 290         }
 291
 292 ?>
 293 </tbody>
 294
 295 <?php
 296 }
 297 ?>
 298 </table>
 299 </form>
 300
 301 <script language="JavaScript">
 302 <!--
 303
 304 String.prototype.trim = function() {
 305         return this.replace(/^\s+|\s+$/g,"");
 306 }
 307
 308 // This function validates if and only if a zip file is given
 309 function validate_filename() {
 310   // check file type
 311   var file;
 312
 313   if (document.frm_upload.themefile.value != '')
 314         file = document.frm_upload.themefile.value;
 315   else if (document.frm_upload.url.value != 'http://')
 316         file = document.frm_upload.url.value;
 317
 318   if (!file || file.trim()=='') {
 319     alert('Please give a zip file!');
 320     return false;
 321   }
 322
 323   if(file.slice(file.lastIndexOf(".")).toLowerCase() != '.zip') {
 324     alert('Please upload ZIP file only!');
 325     return false;
 326   }
 327 }
 328
 329 //  End -->
 330 //-->
 331 </script>
 332
 333 <?php require (AT_INCLUDE_PATH.'footer.inc.php'); ?>