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   1  <?php
   2  /*

   3   * FCKeditor - The text editor for Internet - http://www.fckeditor.net

   4   * Copyright (C) 2003-2007 Frederico Caldeira Knabben

   5   *

   6   * == BEGIN LICENSE ==

   7   *

   8   * Licensed under the terms of any of the following licenses at your

   9   * choice:

  10   *

  11   *  - GNU General Public License Version 2 or later (the "GPL")

  12   *    http://www.gnu.org/licenses/gpl.html

  13   *

  14   *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")

  15   *    http://www.gnu.org/licenses/lgpl.html

  16   *

  17   *  - Mozilla Public License Version 1.1 or later (the "MPL")

  18   *    http://www.mozilla.org/MPL/MPL-1.1.html

  19   *

  20   * == END LICENSE ==

  21   *

  22   * This is the "File Uploader" for PHP.

  23   */
  24  
  25  require ('config.php') ;
  26  require ('util.php') ;
  27  
  28  // This is the function that sends the results of the uploading process.

  29  function SendResults( $errorNumber, $fileUrl = '', $fileName = '', $customMsg = '' )
  30  {
  31      echo '<script type="text/javascript">' ;
  32      echo 'window.parent.OnUploadCompleted(' . $errorNumber . ',"' . str_replace( '"', '\\"', $fileUrl ) . '","' . str_replace( '"', '\\"', $fileName ) . '", "' . str_replace( '"', '\\"', $customMsg ) . '") ;' ;
  33      echo '</script>' ;
  34      exit ;
  35  }
  36  
  37  // Check if this uploader has been enabled.

  38  if ( !$Config['Enabled'] )
  39      SendResults( '1', '', '', 'This file uploader is disabled. Please check the "editor/filemanager/upload/php/config.php" file' ) ;
  40  
  41  // Check if the file has been correctly uploaded.

  42  if ( !isset( $_FILES['NewFile'] ) || is_null( $_FILES['NewFile']['tmp_name'] ) || $_FILES['NewFile']['name'] == '' )
  43      SendResults( '202' ) ;
  44  
  45  // Get the posted file.

  46  $oFile = $_FILES['NewFile'] ;
  47  
  48  // Get the uploaded file name extension.

  49  $sFileName = $oFile['name'] ;
  50  
  51  // Replace dots in the name with underscores (only one dot can be there... security issue).

  52  if ( $Config['ForceSingleExtension'] )
  53      $sFileName = preg_replace( '/\\.(?![^.]*$)/', '_', $sFileName ) ;
  54  
  55  $sOriginalFileName = $sFileName ;
  56  
  57  // Get the extension.

  58  $sExtension = substr( $sFileName, ( strrpos($sFileName, '.') + 1 ) ) ;
  59  $sExtension = strtolower( $sExtension ) ;
  60  
  61  // The the file type (from the QueryString, by default 'File').

  62  $sType = isset( $_GET['Type'] ) ? $_GET['Type'] : 'File' ;
  63  
  64  // Check if it is an allowed type.

  65  if ( !in_array( $sType, array('File','Image','Flash','Media') ) )
  66      SendResults( 1, '', '', 'Invalid type specified' ) ;
  67  
  68  // Get the allowed and denied extensions arrays.

  69  $arAllowed    = $Config['AllowedExtensions'][$sType] ;
  70  $arDenied    = $Config['DeniedExtensions'][$sType] ;
  71  
  72  // Check if it is an allowed extension.

  73  if ( ( count($arAllowed) > 0 && !in_array( $sExtension, $arAllowed ) ) || ( count($arDenied) > 0 && in_array( $sExtension, $arDenied ) ) )
  74      SendResults( '202' ) ;
  75  
  76  $sErrorNumber    = '0' ;
  77  $sFileUrl        = '' ;
  78  
  79  // Initializes the counter used to rename the file, if another one with the same name already exists.

  80  $iCounter = 0 ;
  81  
  82  // Get the target directory.

  83  if ( isset( $Config['UserFilesAbsolutePath'] ) && strlen( $Config['UserFilesAbsolutePath'] ) > 0 )
  84      $sServerDir = $Config['UserFilesAbsolutePath'] ;
  85  else
  86      $sServerDir = GetRootPath() . $Config["UserFilesPath"] ;
  87  
  88  if ( $Config['UseFileType'] )
  89      $sServerDir .= $sType . '/' ;
  90  
  91  while ( true )
  92  {
  93      // Compose the file path.

  94      $sFilePath = $sServerDir . $sFileName ;
  95  
  96      // If a file with that name already exists.

  97      if ( is_file( $sFilePath ) )
  98      {
  99          $iCounter++ ;
 100          $sFileName = RemoveExtension( $sOriginalFileName ) . '(' . $iCounter . ').' . $sExtension ;
 101          $sErrorNumber = '201' ;
 102      }
 103      else
 104      {
 105          move_uploaded_file( $oFile['tmp_name'], $sFilePath ) ;
 106  
 107          if ( is_file( $sFilePath ) )
 108          {
 109              $oldumask = umask(0) ;
 110              chmod( $sFilePath, 0777 ) ;
 111              umask( $oldumask ) ;
 112          }
 113  
 114          if ( $Config['UseFileType'] )
 115              $sFileUrl = $Config["UserFilesPath"] . $sType . '/' . $sFileName ;
 116          else
 117              $sFileUrl = $Config["UserFilesPath"] . $sFileName ;
 118  
 119          break ;
 120      }
 121  }
 122  
 123  SendResults( $sErrorNumber, $sFileUrl, $sFileName ) ;
 124  ?>