MediaWiki REL1_39
SevenZipStream.php
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1<?php
28
38 protected $stream;
39
41 public $context;
42
43 public static function register() {
44 static $done = false;
45 if ( !$done ) {
46 $done = true;
47 stream_wrapper_register( 'mediawiki.compress.7z', self::class );
48 }
49 }
50
51 private function stripPath( $path ) {
52 $prefix = 'mediawiki.compress.7z://';
53
54 return substr( $path, strlen( $prefix ) );
55 }
56
57 public function stream_open( $path, $mode, $options, &$opened_path ) {
58 if ( $mode[0] == 'r' ) {
59 $options = 'e -bd -so';
60 } elseif ( $mode[0] == 'w' ) {
61 $options = 'a -bd -si';
62 } else {
63 return false;
64 }
65 $arg = Shell::escape( $this->stripPath( $path ) );
66 $command = "7za $options $arg";
67 if ( !wfIsWindows() ) {
68 // Suppress the stupid messages on stderr
69 $command .= ' 2>/dev/null';
70 }
71 // popen() doesn't like two-letter modes
72 $this->stream = popen( $command, $mode[0] );
73 return ( $this->stream !== false );
74 }
75
76 public function url_stat( $path, $flags ) {
77 return stat( $this->stripPath( $path ) );
78 }
79
80 public function stream_close() {
81 return fclose( $this->stream );
82 }
83
84 public function stream_flush() {
85 return fflush( $this->stream );
86 }
87
88 public function stream_read( $count ) {
89 return fread( $this->stream, $count );
90 }
91
92 public function stream_write( $data ) {
93 return fwrite( $this->stream, $data );
94 }
95
96 public function stream_tell() {
97 return ftell( $this->stream );
98 }
99
100 public function stream_eof() {
101 return feof( $this->stream );
102 }
103
104 public function stream_seek( $offset, $whence ) {
105 return fseek( $this->stream, $offset, $whence );
106 }
107}
wfIsWindows()
Check if the operating system is Windows.
Executes shell commands.
Definition Shell.php:46
Stream wrapper around 7za filter program.
stream_open( $path, $mode, $options, &$opened_path)
resource false $stream
resource null $context
Must exists on stream wrapper class.
url_stat( $path, $flags)
stream_seek( $offset, $whence)
$command
Definition mcc.php:125