PHP online unzipping source code

Last Update:2018-12-06 Source: Internet

Author: User

Tags fread php online unpack

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<? PHP

// Verify the password
$ Password = "123456 ";

?>
<HTML>
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312">
<Title> faisun_unzip </title>
<Style type = "text/CSS">
<! --
Body, TD {
Font-size: 14px;
Color: #000000;
}
A {
Color: #000066;
Text-Decoration: none;
}
A: hover {
Color: # ff6600;
Text-Decoration: underline;
}
-->
</Style>
</Head>

<Body>
<Form name = "myform" method = "Post" Action = "<? =$ _ Server [php_self];?> "Enctype =" multipart/form-Data "onsubmit =" Return check_uploadobject (this); ">
<?
If (! $ _ Request ["myaction"]):
?>

<Script language = "JavaScript">
Function check_uploadobject (form ){
If (Form. Password. value = ''){
Alert ('enter your password .');
Return false;
}
Return true;
}
</SCRIPT>

<Table width = "100%" border = "0" cellspacing = "0" cellpadding = "4">
<Tr>
<TD Height = "40" colspan = "2" style = "color: # ff9900"> <p> <font color = "# ff0000"> faisun_unzip-decompress the ZIP file online Program V1.0 </font> </P>
<P> reprinted, please note: by <a href = "http://www.softpure.com/" target = "_ blank"> pure space </a> (<a href = "http://www.softpure.com/" target = "_ blank"> http://www.softpure.com </a>) supplied by: faisun (<a href = "mailto: faisun@sina.com"> faisun@sina.com </a> ). </P>
<P> usage: Upload the ZIP file to the same directory of the file through FTP, select the ZIP file, or click browse... to upload the ZIP file. </P>
<P> the extracted results retain the original directory structure. </P>
<P> & nbsp; </P> </TD>
</Tr>
<Tr>
<TD width = "11%"> select ZIP file: </TD>
<TD width = "89%"> <select name = "zipfile">
<Option value = "" selected>-select-</option>
<?
$ Fdir = opendir ('./');
While ($ file = readdir ($ fdir )){
If (! Is_file ($ file) continue;
If (preg_match ('/\. Zip $/MIS', $ file )){
Echo "<option value = '$ file'> $ file </option> \ r \ n ";
}
}
?>
</SELECT> </TD>
</Tr>
<Tr>
<TD width = "11%" nowrap> or upload a file: </TD>
<TD width = "89%"> <input name = "upfile" type = "file" id = "upfile" size = "20"> </TD>
</Tr>
<Tr>
<TD> decompress the package to the directory: </TD>
<TD> <input name = "todir" type = "text" id = "todir" value = "_ unzipfiles _" size = "15">
(Leave this directory empty and you must have the write permission) </TD>
</Tr>
<Tr>
<TD> Verification password: </TD>
<TD> <input name = "password" type = "password" id = "password" size = "15">
(Password set in the source file) </TD>
</Tr>
<Tr>
<TD> <input name = "myaction" type = "hidden" id = "myaction" value = "dounzip"> </TD>
<TD> <input type = "Submit" name = "Submit" value = "decompress"> </TD>
</Tr>
</Table>

Elseif ($ _ request ["myaction"] = "dounzip "):

Class zip
{

VaR $ total_files = 0;
VaR $ total_folders = 0;

Function extract ($ Zn, $ to, $ Index = array (-1 ))
{
$ 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; $ 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)
{
$ 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']; $ header ['SIZE'] = $ data ['SIZE'];
$ Header ['compressed _ size'] = $ data ['compressed _ size'];
$ Header ['crc '] = $ data ['crc']; $ 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/kernel/vflag/vcompression/vmtime/vmdate/vcrc/kernel/vsize/kernel/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) | ord ($ byte );
If ($ bytes = 0x504b0506 or $ bytes = 0x2e706870504b0506) {$ POS ++; break;} $ POS ++;
}

$ Fdata = fread ($ zip, 18 );

$ DATA = @ unpack ('vdisk/vdisk_start/vdisk_entries/ventries/vsize/voffset/vcomment_size ', $ fdata );

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 );

If (substr ($ to,-1 )! = "/") $ To. = "/";
If ($ to = './') $ to = '';
$ PTH = explode ("/", $ to. $ header ['filename']);
$ Mydir = '';
For ($ I = 0; $ I <count ($ PTH)-1; $ I ++ ){
If (! $ PTH [$ I]) continue;
$ Mydir. = $ PTH [$ I]. "/";
If ((! Is_dir ($ mydir) & @ mkdir ($ mydir, 0777) | ($ mydir = $. $ header ['filename'] | ($ mydir == to & $ this-> total_folders = 0) & is_dir ($ mydir ))){
@ Chmod ($ mydir, 0777 );
$ This-> total_folders ++;
Echo "<input name = 'dfile [] 'Type = 'checkbox' value = '$ mydir' checked> <a href =' $ mydir' target = '_ blank'> directory: $ mydir </a> <br> ";
}
}

If (strrchr ($ header ['filename'], '/') = '/') return;

If (! ($ 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 {
$ Fp = @fopen($to.w.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.w.header='filename'{.'.gz ', 'rb') or die ("Cette archive est compress compression ");
If (! $ Gzp) Return (-2 );
$ 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 ');

}
}

$ This-> total_files ++;
Echo "<input name = 'dfile [] 'Type = 'checkbox' value = '$ to $ header [filename] 'checked> <a href =' $ to $ header [filename] 'target = '_ blank'> file: $ to $ header [filename] </a> <br> ";

Return true;
}

// End class
}

Set_time_limit (0 );

If ($ _ post ['Password']! = $ Password) Die ("the entered password is incorrect. Please enter it again. ");
If (! $ _ Post ["todir"]) $ _ post ["todir"] = ".";
$ Z = new zip;
$ Have_zip_file = 0;
Function start_unzip ($ tmp_name, $ new_name, $ checked ){
Global $ _ post, $ Z, $ have_zip_file;
$ Upfile = array ("tmp_name" => $ tmp_name, "name" => $ new_name );
If (is_file ($ upfile [tmp_name]) {
$ Have_zip_file = 1;
Echo "<br> decompression: <input name = 'dfile [] 'Type = 'checkbox' value = '$ upfile [name]'". ($ checked? "Checked": ""). "> $ upfile [name] <br> ";
If (preg_match ('/\. Zip $/MIS', $ upfile [name]) {
$ Result = $ Z-> extract ($ upfile [tmp_name], $ _ post ["todir"]);
If ($ result =-1 ){
Echo "<br> File $ upfile [name] error. <br> ";
}
Echo "<br> complete. A total of $ Z-> total_folders directories and $ Z-> total_files files are created. <br> ";
} Else {
Echo "<br> $ upfile [name] is not a zip file. <br> ";
}
If (realpath ($ upfile [name])! = Realpath ($ upfile [tmp_name]) {
@ Unlink ($ upfile [name]);
Rename ($ upfile [tmp_name], $ upfile [name]);
}
}
}
Clearstatcache ();

Start_unzip ($ _ post ["zipfile"], $ _ post ["zipfile"], 0 );
Start_unzip ($ _ FILES ["upfile"] [tmp_name], $ _ FILES ["upfile"] [name], 1 );

If (! $ Have_zip_file ){
Echo "<br> select or upload a file. <br> ";
}
?>
<Input name = "password" type = "hidden" id = "password" value = "<? =_ _ Post ['Password'];?> ">
<Input name = "myaction" type = "hidden" id = "myaction" value = "dodelete">
<Input name = "button" type = "button" value = "return" onclick = "window. Location = '<? =$ _ Server [php_self];?> '; ">

<Script language = 'javascript '>
Function selrev (){
With (document. myform ){
For (I = 0; I <elements. length; I ++ ){
Thiselm = elements [I];
If (thiselm. Name. Match (/dfile \ []/) thiselm. Checked =! Thiselm. checked;
}
}
}
Alert ('finished .');
</SCRIPT>
<?

Elseif ($ _ request ["myaction"] = "dodelete "):
Set_time_limit (0 );
If ($ _ post ['Password']! = $ Password) Die ("the entered password is incorrect. Please enter it again. ");

$ Dfile = $ _ post ["dfile"];
Echo "deleting file... <br> ";
If (is_array ($ dfile )){
For ($ I = count ($ dfile)-1; $ I> = 0; $ I --){
If (is_file ($ dfile [$ I]) {
If (@ unlink ($ dfile [$ I]) {
Echo "deleted files: $ dfile [$ I] <br> ";
} Else {
Echo "failed to delete the file: $ dfile [$ I] <br> ";
}
} Else {
If (@ rmdir ($ dfile [$ I]) {
Echo "deleted Directory: $ dfile [$ I] <br> ";
} Else {
Echo "failed to delete Directory: $ dfile [$ I] <br> ";
}
}

}
}
Echo "<br> finished. <br> <input type = 'button 'value = ', 'onclick = \ "window is returned. location = '$ _ server [php_self]'; \ "> <br>
<Script language = 'javascript '> ('finished.'); </SCRIPT> ";

Endif;

?>
</Form>
</Body>
</Html>

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