diff options
Diffstat (limited to 'lib/dokuwiki/inc/ZipLib.class.php')
| -rw-r--r-- | lib/dokuwiki/inc/ZipLib.class.php | 475 |
1 files changed, 0 insertions, 475 deletions
diff --git a/lib/dokuwiki/inc/ZipLib.class.php b/lib/dokuwiki/inc/ZipLib.class.php deleted file mode 100644 index 836e9d9e6..000000000 --- a/lib/dokuwiki/inc/ZipLib.class.php +++ /dev/null @@ -1,475 +0,0 @@ -<?php - -/** - * @author bouchon - * @link http://dev.maxg.info - * @link http://forum.maxg.info - * - * Modified for Dokuwiki - * @author Christopher Smith <chris@jalakai.co.uk> - */ -class ZipLib -{ - - var $datasec, $ctrl_dir = array(); - var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00"; - var $old_offset = 0; var $dirs = Array("."); - - function get_List($zip_name) - { - $zip = @fopen($zip_name, 'rb'); - if(!$zip) return(0); - $centd = $this->ReadCentralDir($zip,$zip_name); - - @rewind($zip); - @fseek($zip, $centd['offset']); - - for ($i=0; $i<$centd['entries']; $i++) - { - $header = $this->ReadCentralFileHeaders($zip); - $header['index'] = $i;$info['filename'] = $header['filename']; - $info['stored_filename'] = $header['stored_filename']; - $info['size'] = $header['size'];$info['compressed_size']=$header['compressed_size']; - $info['crc'] = strtoupper(dechex( $header['crc'] )); - $info['mtime'] = $header['mtime']; $info['comment'] = $header['comment']; - $info['folder'] = ($header['external']==0x41FF0010||$header['external']==16)?1:0; - $info['index'] = $header['index'];$info['status'] = $header['status']; - $ret[]=$info; unset($header); - } - return $ret; - } - - function Add($files,$compact) - { - if(!is_array($files[0])) $files=Array($files); - - for($i=0;$files[$i];$i++){ - $fn = $files[$i]; - if(!in_Array(dirname($fn[0]),$this->dirs)) - $this->add_Dir(dirname($fn[0])); - if(basename($fn[0])) - $ret[basename($fn[0])]=$this->add_File($fn[1],$fn[0],$compact); - } - return $ret; - } - - /** - * Zips recursively the $folder directory, from the $basedir directory - */ - function Compress($folder, $basedir=null, $parent=null) - { - $full_path = $basedir."/".$parent.$folder; - $zip_path = $parent.$folder; - if ($zip_path) { - $zip_path .= "/"; - $this->add_dir($zip_path); - } - $dir = new DirectoryIterator($full_path); - foreach($dir as $file) { - if(!$file->isDot()) { - $filename = $file->getFilename(); - if($file->isDir()) { - $this->Compress($filename, $basedir, $zip_path); - } else { - $content = join('', file($full_path.'/'.$filename)); - $this->add_File($content, $zip_path.$filename); - } - } - } - } - - /** - * Returns the Zip file - */ - function get_file() - { - $data = implode('', $this -> datasec); - $ctrldir = implode('', $this -> ctrl_dir); - - return $data . $ctrldir . $this -> eof_ctrl_dir . - pack('v', sizeof($this -> ctrl_dir)).pack('v', sizeof($this -> ctrl_dir)). - pack('V', strlen($ctrldir)) . pack('V', strlen($data)) . "\x00\x00"; - } - - function add_dir($name) - { - $name = str_replace("\\", "/", $name); - $fr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00"; - - $fr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); - $fr .= pack("v", 0 ).$name.pack("V", 0).pack("V", 0).pack("V", 0); - $this -> datasec[] = $fr; - - $new_offset = strlen(implode("", $this->datasec)); - - $cdrec = "\x50\x4b\x01\x02\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00"; - $cdrec .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); - $cdrec .= pack("v", 0 ).pack("v", 0 ).pack("v", 0 ).pack("v", 0 ); - $ext = "\xff\xff\xff\xff"; - $cdrec .= pack("V", 16 ).pack("V", $this -> old_offset ).$name; - - $this -> ctrl_dir[] = $cdrec; - $this -> old_offset = $new_offset; - $this -> dirs[] = $name; - } - - /** - * Add a file named $name from a string $data - */ - function add_File($data, $name, $compact = 1) - { - $name = str_replace('\\', '/', $name); - $dtime = dechex($this->DosTime()); - - $hexdtime = '\x' . $dtime[6] . $dtime[7].'\x'.$dtime[4] . $dtime[5] - . '\x' . $dtime[2] . $dtime[3].'\x'.$dtime[0].$dtime[1]; - eval('$hexdtime = "' . $hexdtime . '";'); - - if($compact) - $fr = "\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00".$hexdtime; - else $fr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00".$hexdtime; - $unc_len = strlen($data); $crc = crc32($data); - - if($compact){ - $zdata = gzcompress($data); $c_len = strlen($zdata); - $zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2); - }else{ - $zdata = $data; - } - $c_len=strlen($zdata); - $fr .= pack('V', $crc).pack('V', $c_len).pack('V', $unc_len); - $fr .= pack('v', strlen($name)).pack('v', 0).$name.$zdata; - - $fr .= pack('V', $crc).pack('V', $c_len).pack('V', $unc_len); - - $this -> datasec[] = $fr; - $new_offset = strlen(implode('', $this->datasec)); - if($compact) - $cdrec = "\x50\x4b\x01\x02\x00\x00\x14\x00\x00\x00\x08\x00"; - else $cdrec = "\x50\x4b\x01\x02\x14\x00\x0a\x00\x00\x00\x00\x00"; - $cdrec .= $hexdtime.pack('V', $crc).pack('V', $c_len).pack('V', $unc_len); - $cdrec .= pack('v', strlen($name) ).pack('v', 0 ).pack('v', 0 ); - $cdrec .= pack('v', 0 ).pack('v', 0 ).pack('V', 32 ); - $cdrec .= pack('V', $this -> old_offset ); - - $this -> old_offset = $new_offset; - $cdrec .= $name; - $this -> ctrl_dir[] = $cdrec; - return true; - } - - function DosTime() { - $timearray = getdate(); - if ($timearray['year'] < 1980) { - $timearray['year'] = 1980; $timearray['mon'] = 1; - $timearray['mday'] = 1; $timearray['hours'] = 0; - $timearray['minutes'] = 0; $timearray['seconds'] = 0; - } - return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) | ($timearray['hours'] << 11) | - ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1); - } - - /** - * Extract a zip file $zn to the $to directory - */ - function Extract ( $zn, $to, $index = Array(-1) ) - { - if(!@is_dir($to)) $this->_mkdir($to); - $ok = 0; $zip = @fopen($zn,'rb'); - if(!$zip) return(-1); - $cdir = $this->ReadCentralDir($zip,$zn); - $pos_entry = $cdir['offset']; - - if(!is_array($index)){ $index = array($index); } - for($i=0; isset($index[$i]);$i++){ - if(intval($index[$i])!=$index[$i]||$index[$i]>$cdir['entries']) - return(-1); - } - - for ($i=0; $i<$cdir['entries']; $i++) - { - @fseek($zip, $pos_entry); - $header = $this->ReadCentralFileHeaders($zip); - $header['index'] = $i; $pos_entry = ftell($zip); - @rewind($zip); fseek($zip, $header['offset']); - if(in_array("-1",$index)||in_array($i,$index)) - $stat[$header['filename']]=$this->ExtractFile($header, $to, $zip); - - } - fclose($zip); - return $stat; - } - - function ReadFileHeader($zip, $header) - { - $binary_data = fread($zip, 30); - $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data); - - $header['filename'] = fread($zip, $data['filename_len']); - if ($data['extra_len'] != 0) { - $header['extra'] = fread($zip, $data['extra_len']); - } else { $header['extra'] = ''; } - - $header['compression'] = $data['compression']; - foreach (array('size','compressed_size','crc') as $hd) { // On ODT files, these headers are 0. Keep the previous value. - if ($data[$hd] != 0) $header[$hd] = $data[$hd]; - } - $header['flag'] = $data['flag']; - $header['mdate'] = $data['mdate'];$header['mtime'] = $data['mtime']; - - if ($header['mdate'] && $header['mtime']){ - $hour=($header['mtime']&0xF800)>>11;$minute=($header['mtime']&0x07E0)>>5; - $seconde=($header['mtime']&0x001F)*2;$year=(($header['mdate']&0xFE00)>>9)+1980; - $month=($header['mdate']&0x01E0)>>5;$day=$header['mdate']&0x001F; - $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year); - }else{$header['mtime'] = time();} - - $header['stored_filename'] = $header['filename']; - $header['status'] = "ok"; - return $header; - } - - function ReadCentralFileHeaders($zip){ - $binary_data = fread($zip, 46); - $header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data); - - if ($header['filename_len'] != 0) - $header['filename'] = fread($zip,$header['filename_len']); - else $header['filename'] = ''; - - if ($header['extra_len'] != 0) - $header['extra'] = fread($zip, $header['extra_len']); - else $header['extra'] = ''; - - if ($header['comment_len'] != 0) - $header['comment'] = fread($zip, $header['comment_len']); - else $header['comment'] = ''; - - if ($header['mdate'] && $header['mtime']) - { - $hour = ($header['mtime'] & 0xF800) >> 11; - $minute = ($header['mtime'] & 0x07E0) >> 5; - $seconde = ($header['mtime'] & 0x001F)*2; - $year = (($header['mdate'] & 0xFE00) >> 9) + 1980; - $month = ($header['mdate'] & 0x01E0) >> 5; - $day = $header['mdate'] & 0x001F; - $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year); - } else { - $header['mtime'] = time(); - } - $header['stored_filename'] = $header['filename']; - $header['status'] = 'ok'; - if (substr($header['filename'], -1) == '/') - $header['external'] = 0x41FF0010; - return $header; - } - - function ReadCentralDir($zip,$zip_name) - { - $size = filesize($zip_name); - if ($size < 277) $maximum_size = $size; - else $maximum_size=277; - - @fseek($zip, $size-$maximum_size); - $pos = ftell($zip); $bytes = 0x00000000; - - while ($pos < $size) - { - $byte = @fread($zip, 1); - $bytes=(($bytes << 8) & 0xFFFFFFFF) | Ord($byte); - if ($bytes == 0x504b0506){ $pos++; break; } $pos++; - } - - $data=unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', - fread($zip, 18)); - - if ($data['comment_size'] != 0) - $centd['comment'] = fread($zip, $data['comment_size']); - else $centd['comment'] = ''; $centd['entries'] = $data['entries']; - $centd['disk_entries'] = $data['disk_entries']; - $centd['offset'] = $data['offset'];$centd['disk_start'] = $data['disk_start']; - $centd['size'] = $data['size']; $centd['disk'] = $data['disk']; - return $centd; - } - - function ExtractFile($header,$to,$zip) - { - $header = $this->readfileheader($zip, $header); - - if(substr($to,-1)!="/") $to.="/"; - if(substr($header['filename'],-1)=="/") - { -// @mkdir($to.$header['filename']); --CS - $this->_mkdir($to.$header['filename']); //-- CS - return +2; - } - -// $pth = explode("/",dirname($header['filename'])); -// for($i=0,$tmp="";isset($pth[$i]);$i++){ -// if(!$pth[$i]) continue; -// if(!is_dir($to.$tmp.$pth[$i])) @mkdir($to.$pth[$i],0777); -// $tmp.=$pth[$i]."/"; -// } - if (!$this->_mkdir($to.dirname($header['filename']))) return (-1); //--CS - - if (!array_key_exists("external", $header) || (!($header['external']==0x41FF0010)&&!($header['external']==16))) - { - if ($header['compression']==0) - { - $fp = @fopen($to.$header['filename'], 'wb'); - if(!$fp) return(-1); - $size = $header['compressed_size']; - - while ($size != 0) - { - $read_size = ($size < 2048 ? $size : 2048); - $buffer = fread($zip, $read_size); - $binary_data = pack('a'.$read_size, $buffer); - @fwrite($fp, $binary_data, $read_size); - $size -= $read_size; - } - fclose($fp); - touch($to.$header['filename'], $header['mtime']); - - }else{ - if (!is_dir(dirname($to.$header['filename']))) $this->_mkdir(dirname($to.$header['filename'])); //-CS - $fp = fopen($to.$header['filename'].'.gz','wb'); - if(!$fp) return(-1); - $binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']), - Chr(0x00), time(), Chr(0x00), Chr(3)); - - fwrite($fp, $binary_data, 10); - $size = $header['compressed_size']; - - while ($size != 0) - { - $read_size = ($size < 1024 ? $size : 1024); - $buffer = fread($zip, $read_size); - $binary_data = pack('a'.$read_size, $buffer); - @fwrite($fp, $binary_data, $read_size); - $size -= $read_size; - } - - $binary_data = pack('VV', $header['crc'], $header['size']); - fwrite($fp, $binary_data,8); fclose($fp); - - $gzp = @gzopen($to.$header['filename'].'.gz','rb'); - if(!$gzp){ - @gzclose($gzp); @unlink($to.$header['filename']); - die("Archive is compressed whereas ZLIB is not enabled."); - } - $fp = @fopen($to.$header['filename'],'wb'); - if(!$fp) return(-1); - $size = $header['size']; - - while ($size != 0) - { - $read_size = ($size < 2048 ? $size : 2048); - $buffer = gzread($gzp, $read_size); - $binary_data = pack('a'.$read_size, $buffer); - @fwrite($fp, $binary_data, $read_size); - $size -= $read_size; - } - fclose($fp); gzclose($gzp); - - touch($to.$header['filename'], $header['mtime']); - @unlink($to.$header['filename'].'.gz'); - - }} - return true; - } - - //--CS start - // centralize mkdir calls and use dokuwiki io functions - function _mkdir($d) { - return io_mkdir_p($d); - } - //--CS end - - - function ExtractStr($zn, $name) { - $ok = 0; - $zip = @fopen($zn,'rb'); - if(!$zip) return(NULL); - $cdir = $this->ReadCentralDir($zip,$zn); - $pos_entry = $cdir['offset']; - - for ($i=0; $i<$cdir['entries']; $i++) - { - @fseek($zip, $pos_entry); - $header = $this->ReadCentralFileHeaders($zip); - $header['index'] = $i; - $pos_entry = ftell($zip); - @rewind($zip); - fseek($zip, $header['offset']); - if ($name == $header['stored_filename'] || $name == $header['filename']) { - $str = $this->ExtractStrFile($header, $zip); - fclose($zip); - return $str; - } - - } - fclose($zip); - return null; - } - - function ExtractStrFile($header,$zip) { - $hdr = $this->readfileheader($zip); - $binary_data = ''; - if (!($header['external']==0x41FF0010) && !($header['external']==16)) - { - if ($header['compression']==0) - { - while ($size != 0) - { - $read_size = ($size < 2048 ? $size : 2048); - $buffer = fread($zip, $read_size); - $binary_data .= pack('a'.$read_size, $buffer); - $size -= $read_size; - } - return $binary_data; - } else { - $size = $header['compressed_size']; - if ($size == 0) { - return ''; - } - //Just in case - if ($size > ($this->_ret_bytes(ini_get('memory_limit'))/2)) { - die("Compressed file is to huge to be uncompress in memory."); - } - while ($size != 0) - { - $read_size = ($size < 2048 ? $size : 2048); - $buffer = fread($zip, $read_size); - $binary_data .= pack('a'.$read_size, $buffer); - $size -= $read_size; - } - $str = gzinflate($binary_data, $header['size']); - if ($header['crc'] == crc32($str)) { - return $str; - } else { - die("Crc Error"); - } - } - } - return NULL; - } - - function _ret_bytes($val) { - $val = trim($val); - $last = $val{strlen($val)-1}; - switch($last) { - case 'k': - case 'K': - return (int) $val * 1024; - break; - case 'm': - case 'M': - return (int) $val * 1048576; - break; - default: - return $val; - } - } -} - |