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Upload File : |
<?php
/**
* Object to access the $_FILES array
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* Object to access the $_FILES array
*
* @ingroup HTTP
*/
class WebRequestUpload {
protected $request;
protected $doesExist;
protected $fileInfo;
/**
* Constructor. Should only be called by WebRequest
*
* @param WebRequest $request The associated request
* @param string $key Key in $_FILES array (name of form field)
*/
public function __construct( $request, $key ) {
$this->request = $request;
$this->doesExist = isset( $_FILES[$key] );
if ( $this->doesExist ) {
$this->fileInfo = $_FILES[$key];
}
}
/**
* Return whether a file with this name was uploaded.
*
* @return bool
*/
public function exists() {
return $this->doesExist;
}
/**
* Return the original filename of the uploaded file
*
* @return string|null Filename or null if non-existent
*/
public function getName() {
if ( !$this->exists() ) {
return null;
}
global $wgContLang;
$name = $this->fileInfo['name'];
# Safari sends filenames in HTML-encoded Unicode form D...
# Horrid and evil! Let's try to make some kind of sense of it.
$name = Sanitizer::decodeCharReferences( $name );
$name = $wgContLang->normalize( $name );
wfDebug( __METHOD__ . ": {$this->fileInfo['name']} normalized to '$name'\n" );
return $name;
}
/**
* Return the file size of the uploaded file
*
* @return int File size or zero if non-existent
*/
public function getSize() {
if ( !$this->exists() ) {
return 0;
}
return $this->fileInfo['size'];
}
/**
* Return the path to the temporary file
*
* @return string|null Path or null if non-existent
*/
public function getTempName() {
if ( !$this->exists() ) {
return null;
}
return $this->fileInfo['tmp_name'];
}
/**
* Return the upload error. See link for explanation
* http://www.php.net/manual/en/features.file-upload.errors.php
*
* @return int One of the UPLOAD_ constants, 0 if non-existent
*/
public function getError() {
if ( !$this->exists() ) {
return 0; # UPLOAD_ERR_OK
}
return $this->fileInfo['error'];
}
/**
* Returns whether this upload failed because of overflow of a maximum set
* in php.ini
*
* @return bool
*/
public function isIniSizeOverflow() {
if ( $this->getError() == UPLOAD_ERR_INI_SIZE ) {
# PHP indicated that upload_max_filesize is exceeded
return true;
}
$contentLength = $this->request->getHeader( 'Content-Length' );
$maxPostSize = wfShorthandToInteger(
ini_get( 'post_max_size' ) ?: ini_get( 'hhvm.server.max_post_size' ),
0
);
if ( $maxPostSize && $contentLength > $maxPostSize ) {
# post_max_size is exceeded
return true;
}
return false;
}
}