168 lines
4.5 KiB
PHP
168 lines
4.5 KiB
PHP
<?php
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class ZipFile
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{
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var $datasec = array();
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var $ctrl_dir = array();
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var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
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var $old_offset = 0;
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var $proc_count=0;
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var $makeDirCount;
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function add_dir($name)
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{
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$name = str_replace("\\", "/", $name);
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$fr = "\x50\x4b\x03\x04";
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$fr .= "\x0a\x00";
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$fr .= "\x00\x00";
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$fr .= "\x00\x00";
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$fr .= "\x00\x00\x00\x00";
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$fr .= pack("V",0);
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$fr .= pack("V",0);
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$fr .= pack("V",0);
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$fr .= pack("v", strlen($name) );
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$fr .= pack("v", 0 );
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$fr .= $name;
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$fr .= pack("V", 0);
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$fr .= pack("V", 0);
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$fr .= pack("V", 0);
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$this -> datasec[] = $fr;
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$new_offset = strlen(implode("", $this->datasec));
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$cdrec = "\x50\x4b\x01\x02";
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$cdrec .="\x00\x00";
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$cdrec .="\x0a\x00";
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$cdrec .="\x00\x00";
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$cdrec .="\x00\x00";
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$cdrec .="\x00\x00\x00\x00";
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$cdrec .= pack("V",0);
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$cdrec .= pack("V",0);
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$cdrec .= pack("V",0);
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$cdrec .= pack("v", strlen($name) );
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$cdrec .= pack("v", 0 );
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$cdrec .= pack("v", 0 );
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$cdrec .= pack("v", 0 );
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$cdrec .= pack("v", 0 );
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$ext = "\x00\x00\x10\x00";
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$ext = "\xff\xff\xff\xff";
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$cdrec .= pack("V", 16 );
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$cdrec .= pack("V", $this -> old_offset );
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$cdrec .= $name;
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$this -> ctrl_dir[] = $cdrec;
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$this -> old_offset = $new_offset;
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return;
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}
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function add_file($data, $name)
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{
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$fp = fopen($data,"r");
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$data = fread($fp,filesize($data));
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fclose($fp);
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$name = str_replace("\\", "/", $name);
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$unc_len = strlen($data);
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$crc = crc32($data);
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$zdata = gzcompress($data);
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$zdata = substr ($zdata, 2, -4);
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$c_len = strlen($zdata);
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$fr = "\x50\x4b\x03\x04";
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$fr .= "\x14\x00";
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$fr .= "\x00\x00";
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$fr .= "\x08\x00";
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$fr .= "\x00\x00\x00\x00";
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$fr .= pack("V",$crc);
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$fr .= pack("V",$c_len);
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$fr .= pack("V",$unc_len);
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$fr .= pack("v", strlen($name) );
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$fr .= pack("v", 0 );
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$fr .= $name;
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$fr .= $zdata;
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$fr .= pack("V",$crc);
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$fr .= pack("V",$c_len);
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$fr .= pack("V",$unc_len);
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$this -> datasec[] = $fr;
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$new_offset = strlen(implode("", $this->datasec));
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$cdrec = "\x50\x4b\x01\x02";
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$cdrec .="\x00\x00";
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$cdrec .="\x14\x00";
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$cdrec .="\x00\x00";
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$cdrec .="\x08\x00";
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$cdrec .="\x00\x00\x00\x00";
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$cdrec .= pack("V",$crc);
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$cdrec .= pack("V",$c_len);
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$cdrec .= pack("V",$unc_len);
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$cdrec .= pack("v", strlen($name) );
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$cdrec .= pack("v", 0 );
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$cdrec .= pack("v", 0 );
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$cdrec .= pack("v", 0 );
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$cdrec .= pack("v", 0 );
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$cdrec .= pack("V", 32 );
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$cdrec .= pack("V", $this -> old_offset );
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$this -> old_offset = $new_offset;
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$cdrec .= $name;
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$this -> ctrl_dir[] = $cdrec;
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}
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function add_files($files)
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{
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foreach($files as $file)
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{
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$file = str_replace("//", "/", $file);
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if (is_file($file))
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{
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$this->add_file($file,$file);
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}
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}
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}
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function add_dirs($dirs)
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{
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$files = $this->read_dir($dirs);
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$this->add_files($files);
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}
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function read_dir($dir)
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{
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$array = array();
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$d = dir($dir);
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while (false !== ($entry = $d->read()))
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{
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if($entry!='.' && $entry!='..')
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{
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$entry = $dir.'/'.$entry;
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if(is_dir($entry))
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{
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$array[] = $entry;
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$array = array_merge($array, $this->read_dir($entry));
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}
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else {
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$array[] = $entry;
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}
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}
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}
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$d->close();
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return $array;
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}
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function file()
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{
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$data = implode('', $this -> datasec);
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$ctrldir = implode('', $this -> ctrl_dir);
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return
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$data .
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$ctrldir .
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$this -> eof_ctrl_dir .
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pack("v", sizeof($this -> ctrl_dir)) .
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pack("v", sizeof($this -> ctrl_dir)) .
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pack("V", strlen($ctrldir)) .
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pack("V", strlen($data)) . "\x00\x00";
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}
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}
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?>
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