includes/upload/UploadFromFile.php

   1 <?php
   2 /**
   3  * Backend for regular file upload.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Upload
  22  */
  23
  24 /**
  25  * Implements regular file uploads
  26  *
  27  * @ingroup Upload
  28  * @author Bryan Tong Minh
  29  */
  30 class UploadFromFile extends UploadBase {
  31
  32         /**
  33          * @var WebRequestUpload
  34          */
  35         protected $mUpload = null;
  36
  37         /**
  38          * @param $request WebRequest
  39          * @return null
  40          */
  41         function initializeFromRequest( &$request ) {
  42                 $upload = $request->getUpload( 'wpUploadFile' );
  43                 $desiredDestName = $request->getText( 'wpDestFile' );
  44                 if( !$desiredDestName )
  45                         $desiredDestName = $upload->getName();
  46
  47                 return $this->initialize( $desiredDestName, $upload );
  48         }
  49
  50         /**
  51          * Initialize from a filename and a WebRequestUpload
  52          * @param $name
  53          * @param $webRequestUpload
  54          * @return null
  55          */
  56         function initialize( $name, $webRequestUpload ) {
  57                 $this->mUpload = $webRequestUpload;
  58                 return $this->initializePathInfo( $name,
  59                         $this->mUpload->getTempName(), $this->mUpload->getSize() );
  60         }
  61
  62         /**
  63          * @param $request
  64          * @return bool
  65          */
  66         static function isValidRequest( $request ) {
  67                 # Allow all requests, even if no file is present, so that an error
  68                 # because a post_max_size or upload_max_filesize overflow
  69                 return true;
  70         }
  71
  72         /**
  73          * @return string
  74          */
  75         public function getSourceType() {
  76                 return 'file';
  77         }
  78
  79         /**
  80          * @return array
  81          */
  82         public function verifyUpload() {
  83                 # Check for a post_max_size or upload_max_size overflow, so that a
  84                 # proper error can be shown to the user
  85                 if ( is_null( $this->mTempPath ) || $this->isEmptyFile() ) {
  86                         if ( $this->mUpload->isIniSizeOverflow() ) {
  87                                 return array(
  88                                         'status' => UploadBase::FILE_TOO_LARGE,
  89                                         'max' => min(
  90                                                 self::getMaxUploadSize( $this->getSourceType() ),
  91                                                 wfShorthandToInteger( ini_get( 'upload_max_filesize' ) ),
  92                                                 wfShorthandToInteger( ini_get( 'post_max_size' ) )
  93                                         ),
  94                                 );
  95                         }
  96                 }
  97
  98                 return parent::verifyUpload();
  99         }
 100 }