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<?php
/**
* MediaWiki page data importer.
*
* Copyright © 2003,2005 Brion Vibber <brion@pobox.com>
* https://www.mediawiki.org/
*
* 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
* @ingroup SpecialPage
*/
/**
* This is a horrible hack used to keep source compatibility.
* @ingroup SpecialPage
*/
class UploadSourceAdapter {
/** @var array */
public static $sourceRegistrations = [];
/** @var string */
private $mSource;
/** @var string */
private $mBuffer;
/** @var int */
private $mPosition;
/**
* @param ImportSource $source
* @return string
*/
static function registerSource( ImportSource $source ) {
$id = wfRandomString();
self::$sourceRegistrations[$id] = $source;
return $id;
}
/**
* @param string $path
* @param string $mode
* @param array $options
* @param string &$opened_path
* @return bool
*/
function stream_open( $path, $mode, $options, &$opened_path ) {
$url = parse_url( $path );
$id = $url['host'];
if ( !isset( self::$sourceRegistrations[$id] ) ) {
return false;
}
$this->mSource = self::$sourceRegistrations[$id];
return true;
}
/**
* @param int $count
* @return string
*/
function stream_read( $count ) {
$return = '';
$leave = false;
while ( !$leave && !$this->mSource->atEnd() &&
strlen( $this->mBuffer ) < $count ) {
$read = $this->mSource->readChunk();
if ( !strlen( $read ) ) {
$leave = true;
}
$this->mBuffer .= $read;
}
if ( strlen( $this->mBuffer ) ) {
$return = substr( $this->mBuffer, 0, $count );
$this->mBuffer = substr( $this->mBuffer, $count );
}
$this->mPosition += strlen( $return );
return $return;
}
/**
* @param string $data
* @return bool
*/
function stream_write( $data ) {
return false;
}
/**
* @return mixed
*/
function stream_tell() {
return $this->mPosition;
}
/**
* @return bool
*/
function stream_eof() {
return $this->mSource->atEnd();
}
/**
* @return array
*/
function url_stat() {
$result = [];
$result['dev'] = $result[0] = 0;
$result['ino'] = $result[1] = 0;
$result['mode'] = $result[2] = 0;
$result['nlink'] = $result[3] = 0;
$result['uid'] = $result[4] = 0;
$result['gid'] = $result[5] = 0;
$result['rdev'] = $result[6] = 0;
$result['size'] = $result[7] = 0;
$result['atime'] = $result[8] = 0;
$result['mtime'] = $result[9] = 0;
$result['ctime'] = $result[10] = 0;
$result['blksize'] = $result[11] = 0;
$result['blocks'] = $result[12] = 0;
return $result;
}
}
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