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- <?php
- echo
- '
- <title>unzip file by ahwak2000</title>
- <form action="" method="post">
- <b>file path</b><br>
- <input type="text" name="ahwak2000" size="40" value="zip file">
- </center>
- <input type="submit" value="UnZip"></center>
- <br>
- <br>
- ';
- if (!function_exists('file_put_contents')) {
- // If not PHP5, creates a compatible function
- function file_put_contents($file, $data) {
- if ($tmp = fopen($file, "w")) {
- fwrite($tmp, $data);
- fclose($tmp);
- return true;
- }
- echo "<b>file_put_contents:</b> Cannot create file $file<br>";
- return false;
- }
- }
- class dUnzip2 {
- function getVersion() {
- return "2.6";
- }
- // Public
- var $fileName;
- var $compressedList; // You will problably use only this one!
- var $centralDirList; // Central dir list... It's a kind of 'extra attributes' for a set of files
- var $endOfCentral; // End of central dir, contains ZIP Comments
- var $debug;
- // Private
- var $fh;
- var $zipSignature = "\x50\x4b\x03\x04"; // local file header signature
- var $dirSignature = "\x50\x4b\x01\x02"; // central dir header signature
- var $dirSignatureE = "\x50\x4b\x05\x06"; // end of central dir signature
- // Public
- function dUnzip2($fileName) {
- $this->fileName = $fileName;
- $this->compressedList = $this->centralDirList = $this->endOfCentral = Array ();
- }
- function getList($stopOnFile = false) {
- if (sizeof($this->compressedList)) {
- $this->debugMsg(1, "Returning already loaded file list.");
- return $this->compressedList;
- }
- // Open file, and set file handler
- $fh = fopen($this->fileName, "r");
- $this->fh = & $fh;
- if (!$fh) {
- $this->debugMsg(2, "Failed to load file.");
- return false;
- }
- $this->debugMsg(1, "Loading list from 'End of Central Dir' index list...");
- if (!$this->_loadFileListByEOF($fh, $stopOnFile)) {
- $this->debugMsg(1, "Failed! Trying to load list looking for signatures...");
- if (!$this->_loadFileListBySignatures($fh, $stopOnFile)) {
- $this->debugMsg(1, "Failed! Could not find any valid header.");
- $this->debugMsg(2, "ZIP File is corrupted or empty");
- return false;
- }
- }
- if ($this->debug) {
- #------- Debug compressedList
- $kkk = 0;
- echo "<table border='0' style='font: 11px Verdana; border: 1px solid #000'>";
- foreach ($this->compressedList as $fileName => $item) {
- if (!$kkk && $kkk = 1) {
- echo "<tr style='background: #ADA'>";
- foreach ($item as $fieldName => $value)
- echo "<td>$fieldName</td>";
- echo '</tr>';
- }
- echo "<tr style='background: #CFC'>";
- foreach ($item as $fieldName => $value) {
- if ($fieldName == 'lastmod_datetime')
- echo "<td title='$fieldName' nowrap='nowrap'>" . date("d/m/Y H:i:s", $value) . "</td>";
- else
- echo "<td title='$fieldName' nowrap='nowrap'>$value</td>";
- }
- echo "</tr>";
- }
- echo "</table>";
- #------- Debug centralDirList
- $kkk = 0;
- if (sizeof($this->centralDirList)) {
- echo "<table border='0' style='font: 11px Verdana; border: 1px solid #000'>";
- foreach ($this->centralDirList as $fileName => $item) {
- if (!$kkk && $kkk = 1) {
- echo "<tr style='background: #AAD'>";
- foreach ($item as $fieldName => $value)
- echo "<td>$fieldName</td>";
- echo '</tr>';
- }
- echo "<tr style='background: #CCF'>";
- foreach ($item as $fieldName => $value) {
- if ($fieldName == 'lastmod_datetime')
- echo "<td title='$fieldName' nowrap='nowrap'>" . date("d/m/Y H:i:s", $value) . "</td>";
- else
- echo "<td title='$fieldName' nowrap='nowrap'>$value</td>";
- }
- echo "</tr>";
- }
- echo "</table>";
- }
- #------- Debug endOfCentral
- $kkk = 0;
- if (sizeof($this->endOfCentral)) {
- echo "<table border='0' style='font: 11px Verdana' style='border: 1px solid #000'>";
- echo "<tr style='background: #DAA'><td colspan='2'>dUnzip - End of file</td></tr>";
- foreach ($this->endOfCentral as $field => $value) {
- echo "<tr>";
- echo "<td style='background: #FCC'>$field</td>";
- echo "<td style='background: #FDD'>$value</td>";
- echo "</tr>";
- }
- echo "</table>";
- }
- }
- return $this->compressedList;
- }
- function getExtraInfo($compressedFileName) {
- return isset ($this->centralDirList[$compressedFileName]) ? $this->centralDirList[$compressedFileName] : false;
- }
- function getZipInfo($detail = false) {
- return $detail ? $this->endOfCentral[$detail] : $this->endOfCentral;
- }
- function unzip($compressedFileName, $targetFileName = false, $applyChmod = false) {
- if (!sizeof($this->compressedList)) {
- $this->debugMsg(1, "Trying to unzip before loading file list... Loading it!");
- $this->getList(false, $compressedFileName);
- }
- $fdetails = & $this->compressedList[$compressedFileName];
- if (!isset ($this->compressedList[$compressedFileName])) {
- $this->debugMsg(2, "File '<b>$compressedFileName</b>' is not compressed in the zip.");
- return false;
- }
- if (substr($compressedFileName, -1) == "/") {
- $this->debugMsg(2, "Trying to unzip a folder name '<b>$compressedFileName</b>'.");
- return false;
- }
- if (!$fdetails['uncompressed_size']) {
- $this->debugMsg(1, "File '<b>$compressedFileName</b>' is empty.");
- return $targetFileName ? file_put_contents($targetFileName, "") : "";
- }
- fseek($this->fh, $fdetails['contents-startOffset']);
- $ret = $this->uncompress(fread($this->fh, $fdetails['compressed_size']), $fdetails['compression_method'], $fdetails['uncompressed_size'], $targetFileName);
- if ($applyChmod && $targetFileName)
- chmod($targetFileName, 0777);
- return $ret;
- }
- function unzipAll($targetDir = false, $baseDir = "", $maintainStructure = true, $applyChmod = false) {
- if ($targetDir === false)
- $targetDir = dirname(__FILE__) . "/";
- $lista = $this->getList();
- if (sizeof($lista))
- foreach ($lista as $fileName => $trash) {
- $dirname = dirname($fileName);
- $outDN = "$targetDir/$dirname";
- if (substr($dirname, 0, strlen($baseDir)) != $baseDir)
- continue;
- if (!is_dir($outDN) && $maintainStructure) {
- $str = "";
- $folders = explode("/", $dirname);
- foreach ($folders as $folder) {
- $str = $str ? "$str/$folder" : $folder;
- if (!is_dir("$targetDir/$str")) {
- $this->debugMsg(1, "Creating folder: $targetDir/$str");
- mkdir("$targetDir/$str");
- if ($applyChmod)
- chmod("$targetDir/$str", $applyChmod);
- }
- }
- }
- if (substr($fileName, -1, 1) == "/")
- continue;
- $maintainStructure ? $this->unzip($fileName, "$targetDir/$fileName", $applyChmod) : $this->unzip($fileName, "$targetDir/" . basename($fileName), $applyChmod);
- }
- }
- function close() { // Free the file resource
- if ($this->fh)
- fclose($this->fh);
- }
- function __destroy() {
- $this->close();
- }
- // Private (you should NOT call these methods):
- function uncompress($content, $mode, $uncompressedSize, $targetFileName = false) {
- switch ($mode) {
- case 0 :
- // Not compressed
- return $targetFileName ? file_put_contents($targetFileName, $content) : $content;
- case 1 :
- $this->debugMsg(2, "Shrunk mode is not supported... yet?");
- return false;
- case 2 :
- case 3 :
- case 4 :
- case 5 :
- $this->debugMsg(2, "Compression factor " . ($mode -1) . " is not supported... yet?");
- return false;
- case 6 :
- $this->debugMsg(2, "Implode is not supported... yet?");
- return false;
- case 7 :
- $this->debugMsg(2, "Tokenizing compression algorithm is not supported... yet?");
- return false;
- case 8 :
- // Deflate
- return $targetFileName ? file_put_contents($targetFileName, gzinflate($content, $uncompressedSize)) : gzinflate($content, $uncompressedSize);
- case 9 :
- $this->debugMsg(2, "Enhanced Deflating is not supported... yet?");
- return false;
- case 10 :
- $this->debugMsg(2, "PKWARE Date Compression Library Impoloding is not supported... yet?");
- return false;
- case 12 :
- // Bzip2
- return $targetFileName ? file_put_contents($targetFileName, bzdecompress($content)) : bzdecompress($content);
- case 18 :
- $this->debugMsg(2, "IBM TERSE is not supported... yet?");
- return false;
- default :
- $this->debugMsg(2, "Unknown uncompress method: $mode");
- return false;
- }
- }
- function debugMsg($level, $string) {
- if ($this->debug)
- if ($level == 1)
- echo "<b style='color: #777'>dUnzip2:</b> $string<br>";
- if ($level == 2)
- echo "<b style='color: #F00'>dUnzip2:</b> $string<br>";
- }
- function _loadFileListByEOF(& $fh, $stopOnFile = false) {
- // Check if there's a valid Central Dir signature.
- // Let's consider a file comment smaller than 1024 characters...
- // Actually, it length can be 65536.. But we're not going to support it.
- for ($x = 0; $x < 1024; $x++) {
- fseek($fh, -22 - $x, SEEK_END);
- $signature = fread($fh, 4);
- if ($signature == $this->dirSignatureE) {
- // If found EOF Central Dir
- $eodir['disk_number_this'] = unpack("v", fread($fh, 2)); // number of this disk
- $eodir['disk_number'] = unpack("v", fread($fh, 2)); // number of the disk with the start of the central directory
- $eodir['total_entries_this'] = unpack("v", fread($fh, 2)); // total number of entries in the central dir on this disk
- $eodir['total_entries'] = unpack("v", fread($fh, 2)); // total number of entries in
- $eodir['size_of_cd'] = unpack("V", fread($fh, 4)); // size of the central directory
- $eodir['offset_start_cd'] = unpack("V", fread($fh, 4)); // offset of start of central directory with respect to the starting disk number
- $zipFileCommentLenght = unpack("v", fread($fh, 2)); // zipfile comment length
- $eodir['zipfile_comment'] = $zipFileCommentLenght[1] ? fread($fh, $zipFileCommentLenght[1]) : ''; // zipfile comment
- $this->endOfCentral = Array (
- 'disk_number_this' => $eodir['disk_number_this'][1],
- 'disk_number' => $eodir['disk_number'][1],
- 'total_entries_this' => $eodir['total_entries_this'][1],
- 'total_entries' => $eodir['total_entries'][1],
- 'size_of_cd' => $eodir['size_of_cd'][1],
- 'offset_start_cd' => $eodir['offset_start_cd'][1],
- 'zipfile_comment' => $eodir['zipfile_comment'],
- );
- // Then, load file list
- fseek($fh, $this->endOfCentral['offset_start_cd']);
- $signature = fread($fh, 4);
- while ($signature == $this->dirSignature) {
- $dir['version_madeby'] = unpack("v", fread($fh, 2)); // version made by
- $dir['version_needed'] = unpack("v", fread($fh, 2)); // version needed to extract
- $dir['general_bit_flag'] = unpack("v", fread($fh, 2)); // general purpose bit flag
- $dir['compression_method'] = unpack("v", fread($fh, 2)); // compression method
- $dir['lastmod_time'] = unpack("v", fread($fh, 2)); // last mod file time
- $dir['lastmod_date'] = unpack("v", fread($fh, 2)); // last mod file date
- $dir['crc-32'] = fread($fh, 4); // crc-32
- $dir['compressed_size'] = unpack("V", fread($fh, 4)); // compressed size
- $dir['uncompressed_size'] = unpack("V", fread($fh, 4)); // uncompressed size
- $fileNameLength = unpack("v", fread($fh, 2)); // filename length
- $extraFieldLength = unpack("v", fread($fh, 2)); // extra field length
- $fileCommentLength = unpack("v", fread($fh, 2)); // file comment length
- $dir['disk_number_start'] = unpack("v", fread($fh, 2)); // disk number start
- $dir['internal_attributes'] = unpack("v", fread($fh, 2)); // internal file attributes-byte1
- $dir['external_attributes1'] = unpack("v", fread($fh, 2)); // external file attributes-byte2
- $dir['external_attributes2'] = unpack("v", fread($fh, 2)); // external file attributes
- $dir['relative_offset'] = unpack("V", fread($fh, 4)); // relative offset of local header
- $dir['file_name'] = fread($fh, $fileNameLength[1]); // filename
- $dir['extra_field'] = $extraFieldLength[1] ? fread($fh, $extraFieldLength[1]) : ''; // extra field
- $dir['file_comment'] = $fileCommentLength[1] ? fread($fh, $fileCommentLength[1]) : ''; // file comment
- // Convert the date and time, from MS-DOS format to UNIX Timestamp
- $BINlastmod_date = str_pad(decbin($dir['lastmod_date'][1]), 16, '0', STR_PAD_LEFT);
- $BINlastmod_time = str_pad(decbin($dir['lastmod_time'][1]), 16, '0', STR_PAD_LEFT);
- $lastmod_dateY = bindec(substr($BINlastmod_date, 0, 7)) + 1980;
- $lastmod_dateM = bindec(substr($BINlastmod_date, 7, 4));
- $lastmod_dateD = bindec(substr($BINlastmod_date, 11, 5));
- $lastmod_timeH = bindec(substr($BINlastmod_time, 0, 5));
- $lastmod_timeM = bindec(substr($BINlastmod_time, 5, 6));
- $lastmod_timeS = bindec(substr($BINlastmod_time, 11, 5));
- $this->centralDirList[$dir['file_name']] = Array (
- 'version_madeby' => $dir['version_madeby'][1],
- 'version_needed' => $dir['version_needed'][1],
- 'general_bit_flag' => str_pad(decbin($dir['general_bit_flag'][1]
- ), 8, '0', STR_PAD_LEFT), 'compression_method' => $dir['compression_method'][1], 'lastmod_datetime' => mktime($lastmod_timeH, $lastmod_timeM, $lastmod_timeS, $lastmod_dateM, $lastmod_dateD, $lastmod_dateY), 'crc-32' => str_pad(dechex(ord($dir['crc-32'][3])), 2, '0', STR_PAD_LEFT) .
- str_pad(dechex(ord($dir['crc-32'][2])), 2, '0', STR_PAD_LEFT) .
- str_pad(dechex(ord($dir['crc-32'][1])), 2, '0', STR_PAD_LEFT) .
- str_pad(dechex(ord($dir['crc-32'][0])), 2, '0', STR_PAD_LEFT), 'compressed_size' => $dir['compressed_size'][1], 'uncompressed_size' => $dir['uncompressed_size'][1], 'disk_number_start' => $dir['disk_number_start'][1], 'internal_attributes' => $dir['internal_attributes'][1], 'external_attributes1' => $dir['external_attributes1'][1], 'external_attributes2' => $dir['external_attributes2'][1], 'relative_offset' => $dir['relative_offset'][1], 'file_name' => $dir['file_name'], 'extra_field' => $dir['extra_field'], 'file_comment' => $dir['file_comment'],);
- $signature = fread($fh, 4);
- }
- // If loaded centralDirs, then try to identify the offsetPosition of the compressed data.
- if ($this->centralDirList)
- foreach ($this->centralDirList as $filename => $details) {
- $i = $this->_getFileHeaderInformation($fh, $details['relative_offset']);
- $this->compressedList[$filename]['file_name'] = $filename;
- $this->compressedList[$filename]['compression_method'] = $details['compression_method'];
- $this->compressedList[$filename]['version_needed'] = $details['version_needed'];
- $this->compressedList[$filename]['lastmod_datetime'] = $details['lastmod_datetime'];
- $this->compressedList[$filename]['crc-32'] = $details['crc-32'];
- $this->compressedList[$filename]['compressed_size'] = $details['compressed_size'];
- $this->compressedList[$filename]['uncompressed_size'] = $details['uncompressed_size'];
- $this->compressedList[$filename]['lastmod_datetime'] = $details['lastmod_datetime'];
- $this->compressedList[$filename]['extra_field'] = $i['extra_field'];
- $this->compressedList[$filename]['contents-startOffset'] = $i['contents-startOffset'];
- if (strtolower($stopOnFile) == strtolower($filename))
- break;
- }
- return true;
- }
- }
- return false;
- }
- function _loadFileListBySignatures(& $fh, $stopOnFile = false) {
- fseek($fh, 0);
- $return = false;
- for (;;) {
- $details = $this->_getFileHeaderInformation($fh);
- if (!$details) {
- $this->debugMsg(1, "Invalid signature. Trying to verify if is old style Data Descriptor...");
- fseek($fh, 12 - 4, SEEK_CUR); // 12: Data descriptor - 4: Signature (that will be read again)
- $details = $this->_getFileHeaderInformation($fh);
- }
- if (!$details) {
- $this->debugMsg(1, "Still invalid signature. Probably reached the end of the file.");
- break;
- }
- $filename = $details['file_name'];
- $this->compressedList[$filename] = $details;
- $return = true;
- if (strtolower($stopOnFile) == strtolower($filename))
- break;
- }
- return $return;
- }
- function _getFileHeaderInformation(& $fh, $startOffset = false) {
- if ($startOffset !== false)
- fseek($fh, $startOffset);
- $signature = fread($fh, 4);
- if ($signature == $this->zipSignature) {
- # $this->debugMsg(1, "Zip Signature!");
- // Get information about the zipped file
- $file['version_needed'] = unpack("v", fread($fh, 2)); // version needed to extract
- $file['general_bit_flag'] = unpack("v", fread($fh, 2)); // general purpose bit flag
- $file['compression_method'] = unpack("v", fread($fh, 2)); // compression method
- $file['lastmod_time'] = unpack("v", fread($fh, 2)); // last mod file time
- $file['lastmod_date'] = unpack("v", fread($fh, 2)); // last mod file date
- $file['crc-32'] = fread($fh, 4); // crc-32
- $file['compressed_size'] = unpack("V", fread($fh, 4)); // compressed size
- $file['uncompressed_size'] = unpack("V", fread($fh, 4)); // uncompressed size
- $fileNameLength = unpack("v", fread($fh, 2)); // filename length
- $extraFieldLength = unpack("v", fread($fh, 2)); // extra field length
- $file['file_name'] = fread($fh, $fileNameLength[1]); // filename
- $file['extra_field'] = $extraFieldLength[1] ? fread($fh, $extraFieldLength[1]) : ''; // extra field
- $file['contents-startOffset'] = ftell($fh);
- // Bypass the whole compressed contents, and look for the next file
- fseek($fh, $file['compressed_size'][1], SEEK_CUR);
- // Convert the date and time, from MS-DOS format to UNIX Timestamp
- $BINlastmod_date = str_pad(decbin($file['lastmod_date'][1]), 16, '0', STR_PAD_LEFT);
- $BINlastmod_time = str_pad(decbin($file['lastmod_time'][1]), 16, '0', STR_PAD_LEFT);
- $lastmod_dateY = bindec(substr($BINlastmod_date, 0, 7)) + 1980;
- $lastmod_dateM = bindec(substr($BINlastmod_date, 7, 4));
- $lastmod_dateD = bindec(substr($BINlastmod_date, 11, 5));
- $lastmod_timeH = bindec(substr($BINlastmod_time, 0, 5));
- $lastmod_timeM = bindec(substr($BINlastmod_time, 5, 6));
- $lastmod_timeS = bindec(substr($BINlastmod_time, 11, 5));
- // Mount file table
- $i = Array (
- 'file_name' => $file['file_name'],
- 'compression_method' => $file['compression_method'][1],
- 'version_needed' => $file['version_needed'][1],
- 'lastmod_datetime' => mktime($lastmod_timeH,
- $lastmod_timeM,
- $lastmod_timeS,
- $lastmod_dateM,
- $lastmod_dateD,
- $lastmod_dateY
- ), 'crc-32' => str_pad(dechex(ord($file['crc-32'][3])), 2, '0', STR_PAD_LEFT) .
- str_pad(dechex(ord($file['crc-32'][2])), 2, '0', STR_PAD_LEFT) .
- str_pad(dechex(ord($file['crc-32'][1])), 2, '0', STR_PAD_LEFT) .
- str_pad(dechex(ord($file['crc-32'][0])), 2, '0', STR_PAD_LEFT), 'compressed_size' => $file['compressed_size'][1], 'uncompressed_size' => $file['uncompressed_size'][1], 'extra_field' => $file['extra_field'], 'general_bit_flag' => str_pad(decbin($file['general_bit_flag'][1]), 8, '0', STR_PAD_LEFT), 'contents-startOffset' => $file['contents-startOffset']);
- return $i;
- }
- return false;
- }
- }
- if (! $_POST['ahwak2000']=='')
- {
- $ahwak2000 = $_POST['ahwak2000'];
- $ahw4k = pathinfo($ahwak2000);
- if ($ahw4k['extension']=="zip")
- {
- $zip = new dUnzip2($ahw4k['basename']);
- $zip->debug = false;
- $zip->getList();
- $zip->unzipAll();
- $path=$ahw4k['dirname'];
- if ($ahw4k['dirname']=""){
- $path=getcwd();
- }
- echo "<h2>... ".$ahw4k['basename']." ... <font color=\"#FF0000\">UnZip</font> </h2>";
- }
- else
- {
- echo "<h3>file is not zip or file not found</h3>";
- }
- }
- //by ahwak2000
- ?>
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