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UploadSourceAdapter.php
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UploadSourceAdapter.php
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<?php
/**
* MediaWiki page data importer.
*
* Copyright © 2003,2005 Brooke Vibber <bvibber@wikimedia.org>
* https://www.mediawiki.org/
*
* @license GPL-2.0-or-later
* @file
* @ingroup SpecialPage
*/
/**
* This is a horrible hack used to keep source compatibility.
* @ingroup SpecialPage
*/
class UploadSourceAdapter {
/** @var ImportSource[] */
public static $sourceRegistrations = [];
/** @var resource|null Must exists on stream wrapper class */
public $context;
/** @var ImportSource */
private $mSource;
/** @var string */
private $mBuffer = '';
/** @var int */
private $mPosition;
/**
* @param ImportSource $source
* @return string
*/
public static function registerSource( ImportSource $source ) {
$id = wfRandomString();
self::$sourceRegistrations[$id] = $source;
return $id;
}
/**
* @param string $id
* @return bool
*/
public static function isSeekableSource( string $id ) {
if ( !isset( self::$sourceRegistrations[$id] ) ) {
return false;
}
return self::$sourceRegistrations[$id]->isSeekable();
}
/**
* @param string $id
* @param int $offset
* @return int|false
*/
public static function seekSource( string $id, int $offset ) {
if ( !isset( self::$sourceRegistrations[$id] ) ) {
return false;
}
return self::$sourceRegistrations[$id]->seek( $offset );
}
/**
* @param string $path
* @param string $mode
* @param int $options
* @param string &$opened_path
* @return bool
*/
public function stream_open( $path, $mode, $options, &$opened_path ) {
$url = parse_url( $path );
if ( !isset( $url['host'] ) ) {
return false;
}
$id = $url['host'];
if ( !isset( self::$sourceRegistrations[$id] ) ) {
return false;
}
$this->mSource = self::$sourceRegistrations[$id];
return true;
}
/**
* @param int $count
* @return string
*/
public 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 false
*/
public function stream_write( $data ) {
return false;
}
/**
* @return int
*/
public function stream_tell() {
return $this->mPosition;
}
/**
* @return bool
*/
public function stream_eof() {
return $this->mSource->atEnd();
}
/**
* @return int[]
*/
public 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;
}
}

File Metadata

Mime Type
text/x-php
Expires
Wed, Aug 19, 10:58 (3 w, 12 h ago)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
f0/80/7e70f71defae2c2cf767d6c92b45
Default Alt Text
UploadSourceAdapter.php (3 KB)

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