docs/mods/_core/themes/import.php

   1 <?php\r
   2 /****************************************************************/\r
   3 /* ATutor                                                                                                               */\r
   4 /****************************************************************/\r
   5 /* Copyright (c) 2002-2010                                      */\r
   6 /* Inclusive Design Institute                                   */\r
   7 /* http://atutor.ca                                                                                             */\r
   8 /*                                                              */\r
   9 /* This program is free software. You can redistribute it and/or*/\r
  10 /* modify it under the terms of the GNU General Public License  */\r
  11 /* as published by the Free Software Foundation.                                */\r
  12 /****************************************************************/\r
  13 // $Id$\r
  14 \r
  15 $_user_location = 'admin';\r
  16 // 1. define relative path to `include` directory:\r
  17 define('AT_INCLUDE_PATH', '../../../include/');\r
  18 require (AT_INCLUDE_PATH . 'vitals.inc.php');\r
  19 require_once(AT_INCLUDE_PATH.'../mods/_core/file_manager/filemanager.inc.php');\r
  20 require (AT_INCLUDE_PATH . 'classes/pclzip.lib.php');\r
  21 require (AT_INCLUDE_PATH . '../mods/_core/themes/classes/ThemeParser.class.php');\r
  22 admin_authenticate(AT_ADMIN_PRIV_THEMES);\r
  23 \r
  24 \r
  25 if(isset($_POST['import'])) {\r
  26         import_theme();\r
  27         $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');\r
  28         header('Location: index.php');\r
  29         exit;\r
  30 }\r
  31 \r
  32 /**\r
  33 * Imports a theme from a URL or Zip file to Atutor\r
  34 * @access  private\r
  35 * @author  Shozub Qureshi\r
  36 */\r
  37 function import_theme() {\r
  38         global $db;\r
  39         global $msg;\r
  40         \r
  41         if (isset($_POST['url']) && ($_POST['url'] != 'http://') ) {\r
  42                 if ($content = @file_get_contents($_POST['url'])) {\r
  43         \r
  44                         // save file to /themes/\r
  45                         $filename = pathinfo($_POST['url']);\r
  46                         $filename = $filename['basename'];\r
  47                         $full_filename = AT_CONTENT_DIR . '/' . $filename;\r
  48                         \r
  49                         if (!$fp = fopen($full_filename, 'w+b')) {\r
  50                                 //Cannot open file ($filename)";\r
  51                                 $errors = array('CANNOT_OPEN_FILE', $filename);\r
  52                                 $msg->addError($errors);\r
  53                                 header('Location: index.php');\r
  54                                 exit;\r
  55                         }\r
  56                 \r
  57                         if (fwrite($fp, $content, strlen($content) ) === FALSE) {\r
  58                                 //"Cannot write to file ($filename)";\r
  59                                 $errors = array('CANNOT_WRITE_FILE', $filename);\r
  60                                 $msg->addError($errors);\r
  61                                 header('Location: index.php');\r
  62                                 exit;\r
  63                         }\r
  64                         fclose($fp);\r
  65                 }       \r
  66                 $_FILES['file']['name']     = $filename;\r
  67                 $_FILES['file']['tmp_name'] = $full_filename;\r
  68                 $_FILES['file']['size']     = strlen($content);\r
  69                 unset($content);\r
  70                 $url_parts = pathinfo($_POST['url']);\r
  71                 $package_base_name_url = $url_parts['basename'];\r
  72         }\r
  73         $ext = pathinfo($_FILES['file']['name']);\r
  74         $ext = $ext['extension'];\r
  75         \r
  76         //error in the file\r
  77         if ($_FILES['file']['error'] == 1) { \r
  78                 $errors = array('FILE_MAX_SIZE', ini_get('upload_max_filesize'));\r
  79                 $msg->addError($errors);\r
  80                 header('Location: index.php');\r
  81                 exit;\r
  82         }\r
  83 \r
  84         //If file has no name or no address or if the extension is not .zip\r
  85         if (!$_FILES['file']['name'] \r
  86                 || (!is_uploaded_file($_FILES['file']['tmp_name']) && !$_POST['url'])) {\r
  87 \r
  88                         $msg->addError('FILE_NOT_SELECTED');\r
  89                         header('Location: index.php');\r
  90                         exit;\r
  91         }\r
  92         \r
  93         if (($ext != 'zip')) {\r
  94                 $msg->addError('IMPORT_NOT_PROPER_FORMAT');\r
  95                 header('Location: index.php');\r
  96                 exit;\r
  97         }\r
  98 \r
  99         //check if file size is ZERO    \r
 100         if ($_FILES['file']['size'] == 0) {\r
 101                 $msg->addError('IMPORTFILE_EMPTY');\r
 102                 header('Location: index.php');\r
 103                 exit;\r
 104         }\r
 105 \r
 106         // new directory name is the filename minus the extension\r
 107         $fldrname    = substr($_FILES['file']['name'], 0, -4);\r
 108         $fldrname   = str_replace(' ', '_', $fldrname);\r
 109         $import_path = '../../../themes/' . $fldrname;\r
 110 \r
 111         //check if Folder by that name already exists\r
 112         if (is_dir($import_path)) {\r
 113                 $i = 1;\r
 114                 while (is_dir($import_path . '_' . $i)) {\r
 115                         $i++;\r
 116                 }\r
 117                 $fldrname    = $fldrname . '_' . $i; \r
 118                 $import_path = $import_path . '_' . $i;\r
 119         }\r
 120         \r
 121         //if folder does not exist previously\r
 122         if (!@mkdir($import_path, 0700)) { \r
 123                 $msg->addError('IMPORTDIR_FAILED');\r
 124                 header('Location: index.php'); \r
 125                 exit;\r
 126         }\r
 127         \r
 128         // unzip file and save into directory in themes\r
 129         $archive = new PclZip($_FILES['file']['tmp_name']);\r
 130 \r
 131         //extract contents to importpath/foldrname\r
 132         if (!$archive->extract($import_path)) {\r
 133                 $errors = array('IMPORT_ERROR_IN_ZIP', $archive->errorInfo(true));\r
 134                 clr_dir($import_path);\r
 135                 $msg->addError($errors);\r
 136                 header('Location: index.php'); \r
 137                 exit;\r
 138         }\r
 139 \r
 140         $handle = opendir($import_path);\r
 141         while ($file = readdir($handle)) { \r
 142        if (is_dir($import_path.'/'.$file) && $file != '.' && $file != '..') {\r
 143                    $folder = $file;\r
 144            }\r
 145         }\r
 146 \r
 147         //copy contents from importpath/foldrname to importpath\r
 148         copys($import_path.'/'.$folder, $import_path);\r
 149 \r
 150         //delete importpath/foldrname\r
 151         clr_dir($import_path.'/'.$folder);\r
 152 \r
 153         $theme_xml = @file_get_contents($import_path . '/theme_info.xml');\r
 154 \r
 155         //Check if XML file exists (if it doesnt send error and clear directory)\r
 156         if ($theme_xml == false) {\r
 157                 /** Next version 1.4.4, require themes.xml\r
 158                 $msg->addError('MISSING_THEMEXML');\r
 159                 \r
 160                 // clean up\r
 161                 clr_dir($import_path);\r
 162                 \r
 163                 header('Location: index.php');\r
 164                 exit;\r
 165                 */\r
 166                 $version = '1.4.x';\r
 167                 $extra_info = 'unspecified';\r
 168         } else {\r
 169                 //parse information\r
 170                 $xml_parser = new ThemeParser();\r
 171                 $xml_parser->parse($theme_xml);\r
 172 \r
 173                 $version = $xml_parser->theme_rows['version'];\r
 174                 $extra_info = $xml_parser->theme_rows['extra_info'];\r
 175                 $type = $xml_parser->theme_rows['type'];\r
 176         }\r
 177 \r
 178         $title        = str_replace('_', ' ', $fldrname);\r
 179         $last_updated = date('Y-m-d');\r
 180         $status       = '1';\r
 181 \r
 182         //if version number is not compatible with current Atutor version, set theme as disabled\r
 183         if ($version != VERSION) {\r
 184                 $status = '0';\r
 185         }\r
 186 \r
 187         //save information in database\r
 188         $sql = "INSERT INTO ".TABLE_PREFIX."themes VALUES ('$title', '$version', '$fldrname', '$type', '$last_updated', '$extra_info', '$status')";\r
 189         $result = mysql_query($sql, $db);       \r
 190         \r
 191         write_to_log(AT_ADMIN_LOG_INSERT, 'themes', mysql_affected_rows($db), $sql);\r
 192 \r
 193         if (!$result) {\r
 194                 $msg->addError('IMPORT_FAILED');\r
 195                 header('Location: index.php');\r
 196                 exit;\r
 197         }\r
 198 \r
 199         if (isset($_POST['url'])) {\r
 200                 @unlink($full_filename);\r
 201         }\r
 202 }\r
 203 \r
 204 ?>