mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
94 lines
2.5 KiB
PHP
94 lines
2.5 KiB
PHP
<?php
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/**
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* 7z stream wrapper
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*
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* Copyright © 2005 Brion Vibber <brion@pobox.com>
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* http://www.mediawiki.org/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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/**
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* Stream wrapper around 7za filter program.
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* Required since we can't pass an open file resource to XMLReader->open()
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* which is used for the text prefetch.
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*
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* @ingroup Maintenance
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*/
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class SevenZipStream {
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protected $stream;
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private function stripPath( $path ) {
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$prefix = 'mediawiki.compress.7z://';
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return substr( $path, strlen( $prefix ) );
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}
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function stream_open( $path, $mode, $options, &$opened_path ) {
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if ( $mode[0] == 'r' ) {
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$options = 'e -bd -so';
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} elseif ( $mode[0] == 'w' ) {
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$options = 'a -bd -si';
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} else {
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return false;
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}
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$arg = wfEscapeShellArg( $this->stripPath( $path ) );
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$command = "7za $options $arg";
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if ( !wfIsWindows() ) {
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// Suppress the stupid messages on stderr
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$command .= ' 2>/dev/null';
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}
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$this->stream = popen( $command, $mode[0] ); // popen() doesn't like two-letter modes
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return ( $this->stream !== false );
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}
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function url_stat( $path, $flags ) {
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return stat( $this->stripPath( $path ) );
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}
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// This is all so lame; there should be a default class we can extend
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function stream_close() {
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return fclose( $this->stream );
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}
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function stream_flush() {
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return fflush( $this->stream );
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}
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function stream_read( $count ) {
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return fread( $this->stream, $count );
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}
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function stream_write( $data ) {
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return fwrite( $this->stream, $data );
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}
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function stream_tell() {
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return ftell( $this->stream );
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}
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function stream_eof() {
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return feof( $this->stream );
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}
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function stream_seek( $offset, $whence ) {
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return fseek( $this->stream, $offset, $whence );
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}
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}
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stream_wrapper_register( 'mediawiki.compress.7z', 'SevenZipStream' );
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