includes/upload/UploadFromFile.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup upload
   5  *
   6  * @author Bryan Tong Minh
   7  *
   8  * Implements regular file uploads
   9  */
  10 class UploadFromFile extends UploadBase {
  11         protected $mWebUpload = null;
  12
  13         function initializeFromRequest( &$request ) {
  14                 $this->mWebUpload = $request->getUpload( 'wpUploadFile' );
  15
  16                 $desiredDestName = $request->getText( 'wpDestFile' );
  17                 if( !$desiredDestName )
  18                         $desiredDestName = $this->mWebUpload->getName();
  19                 return $this->initializePathInfo(
  20                         $desiredDestName,
  21                         $this->mWebUpload->getTempName(),
  22                         $this->mWebUpload->getSize()
  23                 );
  24         }
  25         /**
  26          * Entry point for upload from file.
  27          */
  28         function initialize( $name, $tempPath, $fileSize ) {
  29                  return $this->initializePathInfo( $name, $tempPath, $fileSize );
  30         }
  31         static function isValidRequest( $request ) {
  32                 # Allow all requests, even if no file is present, so that an error
  33                 # because a post_max_size or upload_max_filesize overflow
  34                 return true;
  35         }
  36
  37         public function verifyUpload() {
  38                 # Check for a post_max_size or upload_max_size overflow, so that a
  39                 # proper error can be shown to the user
  40                 if ( is_null( $this->mTempPath ) || $this->isEmptyFile() ) {
  41                         # Using the Content-length header is not an absolutely fail-safe
  42                         # method, but the only available option. Otherwise broken uploads
  43                         # will be handled by the parent method and return empty-file
  44                         $contentLength = intval( $_SERVER['CONTENT_LENGTH'] );
  45                         $maxPostSize = wfShorthandToInteger( ini_get( 'post_max_size' ) );
  46                         if ( $this->mWebUpload->getError() == UPLOAD_ERR_INI_SIZE
  47                                         || $contentLength > $maxPostSize ) {
  48
  49                                 global $wgMaxUploadSize;
  50                                 return array(
  51                                         'status' => self::FILE_TOO_LARGE,
  52                                         'max' => min(
  53                                                 $wgMaxUploadSize,
  54                                                 wfShorthandToInteger( ini_get( 'upload_max_filesize' ) ),
  55                                                 $maxPostSize
  56                                         ),
  57                                 );
  58                         }
  59                 }
  60
  61                 return parent::verifyUpload();
  62         }
  63 }