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          * @var WebRequestUpload
  33          */
  34         protected $mUpload = null;
  35
  36         /**
  37          * @param WebRequest $request
  38          */
  39         function initializeFromRequest( &$request ) {
  40                 $upload = $request->getUpload( 'wpUploadFile' );
  41                 $desiredDestName = $request->getText( 'wpDestFile' );
  42                 if ( !$desiredDestName ) {
  43                         $desiredDestName = $upload->getName();
  44                 }
  45
  46                 $this->initialize( $desiredDestName, $upload );
  47         }
  48
  49         /**
  50          * Initialize from a filename and a WebRequestUpload
  51          * @param string $name
  52          * @param WebRequestUpload $webRequestUpload
  53          */
  54         function initialize( $name, $webRequestUpload ) {
  55                 $this->mUpload = $webRequestUpload;
  56                 $this->initializePathInfo( $name,
  57                         $this->mUpload->getTempName(), $this->mUpload->getSize() );
  58         }
  59
  60         /**
  61          * @param WebRequest $request
  62          * @return bool
  63          */
  64         static function isValidRequest( $request ) {
  65                 # Allow all requests, even if no file is present, so that an error
  66                 # because a post_max_size or upload_max_filesize overflow
  67                 return true;
  68         }
  69
  70         /**
  71          * @return string
  72          */
  73         public function getSourceType() {
  74                 return 'file';
  75         }
  76
  77         /**
  78          * @return array
  79          */
  80         public function verifyUpload() {
  81                 # Check for a post_max_size or upload_max_size overflow, so that a
  82                 # proper error can be shown to the user
  83                 if ( is_null( $this->mTempPath ) || $this->isEmptyFile() ) {
  84                         if ( $this->mUpload->isIniSizeOverflow() ) {
  85                                 return array(
  86                                         'status' => UploadBase::FILE_TOO_LARGE,
  87                                         'max' => min(
  88                                                 self::getMaxUploadSize( $this->getSourceType() ),
  89                                                 wfShorthandToInteger( ini_get( 'upload_max_filesize' ) ),
  90                                                 wfShorthandToInteger( ini_get( 'post_max_size' ) )
  91                                         ),
  92                                 );
  93                         }
  94                 }
  95
  96                 return parent::verifyUpload();
  97         }
  98 }