/**
* Decode a string from the values that have been generated
*
* @param text string The string that has been encoded
*
* @return string
*/
public static function decrypt($text)
{
$config = Config::settings('encrypt');
$base64key = $config['key'];
$base64ivector = $config['iv'];
return bzdecompress(trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, base64_decode($base64key), base64_decode($text), MCRYPT_MODE_CBC, base64_decode($base64ivector))));
}
/**
* Static method to decompress data
*
* @param string $data
* @return mixed
*/
public static function decompress($data)
{
// Decompress the file
if (@file_exists($data)) {
$bz = bzopen($data, 'r');
$uncompressed = '';
// Read the uncompressed data.
while (!feof($bz)) {
$uncompressed .= bzread($bz, 4096);
}
// Close the Bzip2 compressed file and write
// the data to the uncompressed file.
bzclose($bz);
if (stripos($data, '.tbz2') !== false) {
$newFile = str_replace('.tbz2', '.tar', $data);
} else {
if (stripos($data, '.tbz') !== false) {
$newFile = str_replace('.tbz', '.tar', $data);
} else {
$newFile = str_replace('.bz2', '', $data);
}
}
file_put_contents($newFile, $uncompressed);
return $newFile;
// Else, decompress the string
} else {
return bzdecompress($data);
}
}
/**
* Decompress the given value with the specific compression
*
* @param String $sValue
*
* @return String
*
* @throws Exception
*/
public function decompress($sValue)
{
if (!is_string($sValue)) {
throw new Exception('Invalid first argument, must be a string');
}
return bzdecompress($sValue);
}
public function testEncode()
{
$testString = 'a string to be compressed';
$result = $this->encoder->encode($testString);
$uncompressedResult = bzdecompress($result);
$this->assertSame($testString, $uncompressedResult);
}
function recover($code)
{
if (!$this->getAuthUser()) {
$this->jerr("invalid");
}
// fixme!!!!
$fn = $this->rootDir . '/Pman/' . $code . '.js';
list($app, $mod) = explode('/', $code);
if (!file_exists($fn)) {
$this->jerr("file does not exist.:" . $fn);
}
$data = file_get_contents($fn);
preg_match("#/*\n--SOURCE--\n([^\\*]+)#m", $data, $matches);
// echo "<PRE>";print_R($matches);
$base = $matches[1];
$str = bzdecompress(base64_decode($base));
$js = json_decode($str);
//echo "<PRE>";print_R($str);
$b = DB_DataObject::factory('builder');
$b->app = $app;
$b->module = $mod;
$b->btype = 'FORM';
$b->name = $js->name;
if (!$b->find(true)) {
$b->insert();
}
echo "<PRE>" . htmlspecialchars(print_r($b, true));
$b->json = $str;
$b->update();
$this->jok("DONE");
exit;
}
/**
* {@inheritdoc}
*/
public function decompress($data, $length)
{
$output = @bzdecompress(substr($data, 0, $length));
if (!is_string($output)) {
throw new InvalidInputDataException('The decompression input data is invalid.', $output);
}
return $output;
}
protected function ReadInternal($Buffer, $Length, $SherlockFunction)
{
if ($Buffer->Remaining() === 0) {
throw new InvalidPacketException('Failed to read any data from socket', InvalidPacketException::BUFFER_EMPTY);
}
$Header = $Buffer->GetLong();
if ($Header === -1) {
// We don't have to do anything
} else {
if ($Header === -2) {
$Packets = [];
$IsCompressed = false;
$ReadMore = false;
do {
$RequestID = $Buffer->GetLong();
switch ($this->Engine) {
case SourceQuery::GOLDSOURCE:
$PacketCountAndNumber = $Buffer->GetByte();
$PacketCount = $PacketCountAndNumber & 0xf;
$PacketNumber = $PacketCountAndNumber >> 4;
break;
case SourceQuery::SOURCE:
$IsCompressed = ($RequestID & 0x80000000) !== 0;
$PacketCount = $Buffer->GetByte();
$PacketNumber = $Buffer->GetByte() + 1;
if ($IsCompressed) {
$Buffer->GetLong();
// Split size
$PacketChecksum = $Buffer->GetUnsignedLong();
} else {
$Buffer->GetShort();
// Split size
}
break;
}
$Packets[$PacketNumber] = $Buffer->Get();
$ReadMore = $PacketCount > sizeof($Packets);
} while ($ReadMore && $SherlockFunction($Buffer, $Length));
$Data = Implode($Packets);
// TODO: Test this
if ($IsCompressed) {
// Let's make sure this function exists, it's not included in PHP by default
if (!Function_Exists('bzdecompress')) {
throw new \RuntimeException('Received compressed packet, PHP doesn\'t have Bzip2 library installed, can\'t decompress.');
}
$Data = bzdecompress($Data);
if (CRC32($Data) !== $PacketChecksum) {
throw new InvalidPacketException('CRC32 checksum mismatch of uncompressed packet data.', InvalidPacketException::CHECKSUM_MISMATCH);
}
}
$Buffer->Set(SubStr($Data, 4));
} else {
throw new InvalidPacketException('Socket read: Raw packet header mismatch. (0x' . DecHex($Header) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH);
}
}
return $Buffer;
}
function execute(array $params = array())
{
$input = (string) $params['input'];
$quick = $params['quick'];
if (!is_bool($quick)) {
$quick = false;
}
return bzdecompress($input, $quick);
}
/**
* Extract a Bzip2 compressed file to a given path
*
* @param string $archive Path to Bzip2 archive to extract
* @param string $destination Path to extract archive to
* @param array $options Extraction options [unused]
*
* @return boolean True if successful
* @since 11.1
*/
public function extract($archive, $destination, $options = array())
{
// Initialise variables.
$this->_data = null;
if (!extension_loaded('bz2')) {
$this->set('error.message', JText::_('JLIB_FILESYSTEM_BZIP_NOT_SUPPORTED'));
return JError::raiseWarning(100, $this->get('error.message'));
}
if (!isset($options['use_streams']) || $options['use_streams'] == false) {
// Old style: read the whole file and then parse it
if (!($this->_data = JFile::read($archive))) {
$this->set('error.message', 'Unable to read archive');
return JError::raiseWarning(100, $this->get('error.message'));
}
$buffer = bzdecompress($this->_data);
unset($this->_data);
if (empty($buffer)) {
$this->set('error.message', 'Unable to decompress data');
return JError::raiseWarning(100, $this->get('error.message'));
}
if (JFile::write($destination, $buffer) === false) {
$this->set('error.message', 'Unable to write archive');
return JError::raiseWarning(100, $this->get('error.message'));
}
} else {
// New style! streams!
$input = JFactory::getStream();
$input->set('processingmethod', 'bz');
// use bzip
if (!$input->open($archive)) {
$this->set('error.message', JText::_('JLIB_FILESYSTEM_BZIP_UNABLE_TO_READ'));
return JError::raiseWarning(100, $this->get('error.message'));
}
$output = JFactory::getStream();
if (!$output->open($destination, 'w')) {
$this->set('error.message', JText::_('JLIB_FILESYSTEM_BZIP_UNABLE_TO_WRITE'));
$input->close();
// close the previous file
return JError::raiseWarning(100, $this->get('error.message'));
}
$written = 0;
do {
$this->_data = $input->read($input->get('chunksize', 8196));
if ($this->_data) {
if (!$output->write($this->_data)) {
$this->set('error.message', JText::_('JLIB_FILESYSTEM_BZIP_UNABLE_TO_WRITE_FILE'));
return JError::raiseWarning(100, $this->get('error.message'));
}
}
} while ($this->_data);
$output->close();
$input->close();
}
return true;
}
/**
* @inheritDoc
*/
public function decode($data)
{
$data = bzdecompress($data);
if ($this->isErrorCode($data)) {
throw new DecodeFailedException("bzdecompress failed.");
}
if (!$data) {
throw new DecodeFailedException("bzdecompress returned no data.");
}
return $data;
}
/**
* Reassembles the data of a split and/or compressed packet into a single
* packet object
*
* @param array $splitPackets An array of packet data
* @param bool $isCompressed whether the data of this packet is compressed
* @param int $packetChecksum The CRC32 checksum of the decompressed
* packet data
* @throws PacketFormatException if the calculated CRC32 checksum does not
* match the expected value
* @return SteamPacket The reassembled packet
* @see packetFromData()
*/
public static function reassemblePacket($splitPackets, $isCompressed = false, $packetChecksum = 0)
{
$packetData = join('', $splitPackets);
if ($isCompressed) {
$packetData = bzdecompress($packetData);
if (crc32($packetData) != $packetChecksum) {
throw new PacketFormatException('CRC32 checksum mismatch of uncompressed packet data.');
}
}
$packetData = substr($packetData, 4);
return self::getPacketFromData($packetData);
}
private function populateWHoisDump()
{
$this->info('Downloading and populating Afrinic WHOIS dump');
$bz2Content = $this->getContents(env('WHOIS_DB_AFRINIC_BASE_URL'));
$rawData = bzdecompress($bz2Content);
$dataParts = array_filter(explode("\n", $rawData));
// Categorise the whois data dump
foreach ($dataParts as $dataPart) {
$elementType = explode(':', $dataPart, 2)[0];
$this->whoisDump[$elementType][] = str_replace('\\t', "\t", str_replace('\\n', "\n", $dataPart));
}
}
function getCSV($url, $method)
{
global $mdb, $redis;
$file = $redis->get("RC:{$url}");
if ($file == null) {
$file = file_get_contents($url);
$redis->setex("RC:{$url}", 900, $file);
}
$csv = bzdecompress($file);
Util::out("Parsing {$url}");
parseCSV($csv, $method);
}
/**
* @param string $file
* @return Database
* @throws IOException
* @throws \RuntimeException
*/
public function decompress(string $file) : self
{
if (($content = file_get_contents($file)) === false) {
throw new IOException('Could not read file: ' . $file);
}
if (($content = bzdecompress($content)) === false) {
throw new \RuntimeException('Could not decompress data from file: ' . $file);
}
if (file_put_contents($file, $content) === false) {
throw new IOException('Could not write data to file: ' . $file);
}
return $this;
}
public static function extract($path_file)
{
$pathinfo = pathinfo($path_file);
if ($pathinfo['extension'] == 'bzip2' or $pathinfo['extension'] == 'bz2') {
$uncompressed_pathfile = $pathinfo['dirname'] . $pathinfo['basename'] . '.csv';
$compressed_str = file_get_contents($path_file);
file_put_contents($uncompressed_pathfile, bzdecompress($compressed_str));
unset($compressed_str);
$file_tree_name = $uncompressed_pathfile;
} else {
$file_tree_name = $path_file;
}
return $file_tree_name;
}
/**
* Extract a Bzip2 compressed file to a given path
*
* @param string $archive Path to Bzip2 archive to extract
* @param string $destination Path to extract archive to
* @param array $options Extraction options [unused]
*
* @return boolean True if successful
*
* @since 11.1
* @throws RuntimeException
*/
public function extract($archive, $destination, array $options = array())
{
$this->_data = null;
if (!extension_loaded('bz2')) {
throw new RuntimeException('The bz2 extension is not available.');
}
if (!isset($options['use_streams']) || $options['use_streams'] == false) {
// Old style: read the whole file and then parse it
$this->_data = file_get_contents($archive);
if (!$this->_data) {
throw new RuntimeException('Unable to read archive');
}
$buffer = bzdecompress($this->_data);
unset($this->_data);
if (empty($buffer)) {
throw new RuntimeException('Unable to decompress data');
}
if (JFile::write($destination, $buffer) === false) {
throw new RuntimeException('Unable to write archive');
}
} else {
// New style! streams!
$input = JFactory::getStream();
// Use bzip
$input->set('processingmethod', 'bz');
if (!$input->open($archive)) {
throw new RuntimeException('Unable to read archive (bz2)');
}
$output = JFactory::getStream();
if (!$output->open($destination, 'w')) {
$input->close();
throw new RuntimeException('Unable to write archive (bz2)');
}
do {
$this->_data = $input->read($input->get('chunksize', 8196));
if ($this->_data) {
if (!$output->write($this->_data)) {
$input->close();
throw new RuntimeException('Unable to write archive (bz2)');
}
}
} while ($this->_data);
$output->close();
$input->close();
}
return true;
}
function GenerateSpell($String)
{
include_once ROOT_PATH . '/Cache/' . 'spell.cache.php';
$SpellList = unserialize(bzdecompress(base64_decode($content)));
arsort($SpellList);
$String = ConvertEncodingToGB2312($String);
$ReturnStr = '';
for ($i = 0; $i < strlen($String); $i++) {
$AscCode = ord(substr($String, $i, 1));
if ($AscCode > 160) {
$AscCodeNext = ord(substr($String, ++$i, 1));
$AscCode = $AscCode * 256 + $AscCodeNext - 65536;
}
$ReturnStr .= Spell($AscCode, $SpellList);
}
return preg_replace("/[^a-z0-9]*/", '', $ReturnStr);
}
/**
* Extract a Bzip2 compressed file to a given path
*
* @param string $archive Path to Bzip2 archive to extract
* @param string $destination Path to extract archive to
*
* @return boolean True if successful
*
* @since 1.0
* @throws Exception
*/
public function extract($archive, $destination)
{
$this->data = null;
$this->options['use_streams'] = false;
if (!isset($this->options['use_streams']) || $this->options['use_streams'] == false) {
// Old style: read the whole file and then parse it
$this->data = file_get_contents($archive);
if (!$this->data) {
throw new Exception('Unable to read archive');
}
$buffer = bzdecompress($this->data);
unset($this->data);
if (empty($buffer)) {
throw new Exception('Unable to decompress data');
}
if (xapp_File2::write($destination, $buffer) === false) {
throw new Exception('Unable to write archive');
}
} else {
// New style! streams!
$input = Stream::getStream();
// Use bzip
$input->set('processingmethod', 'bz');
if (!$input->open($archive)) {
throw new Exception('Unable to read archive (bz2)');
}
$output = Stream::getStream();
if (!$output->open($destination, 'w')) {
$input->close();
throw new Exception('Unable to write archive (bz2)');
}
do {
$this->data = $input->read($input->get('chunksize', 8196));
if ($this->data) {
if (!$output->write($this->data)) {
$input->close();
throw new Exception('Unable to write archive (bz2)');
}
}
} while ($this->data);
$output->close();
$input->close();
}
// @codeCoverageIgnoreEnd
return true;
}
/**
* Extract a Bzip2 compressed file to a given path
*
* @access public
* @param string $archive Path to Bzip2 archive to extract
* @param string $destination Path to extract archive to
* @param array $options Extraction options [unused]
* @return boolean True if successful
* @since 1.5
*/
function extract($archive, $destination, $options = array())
{
// Initialize variables
$this->_data = null;
if (!extension_loaded('bz2')) {
return PEAR::raiseError('BZip2 Not Supported');
}
if (!($this->_data = JFile::read($archive))) {
return PEAR::raiseError('Unable to read archive');
}
$buffer = bzdecompress($this->_data);
if (empty($buffer)) {
return PEAR::raiseError('Unable to decompress data');
}
if (JFile::write($destination, $buffer) === false) {
return PEAR::raiseError('Unable to write archive');
}
return true;
}
public static function reassemblePacket($splitPackets, $isCompressed = false, $packetChecksum = 0)
{
$packetData = "";
foreach ($splitPackets as $splitPacket) {
if ($splitPacket == null) {
throw new UncompletePacketException();
}
$packetData .= $splitPacket;
}
if ($isCompressed) {
$packetData = bzdecompress($packetData);
if (crc32($packetData) != $packetChecksum) {
throw new PacketFormatException("CRC32 checksum mismatch of uncompressed packet data.");
}
}
// Omit leading 0xFFFFFFFF
$packetData = substr($packetData, 4);
return self::getPacketFromData($packetData);
}
function restore($src)
{
global $dbh;
$SQL = '';
if ($src) {
$this->filename = $src;
if ($this->open_restore_stream() && $this->buffer) {
// open source file
$SQL = preg_split('/;\\s*\\n|;\\n/m', bzdecompress($this->buffer));
for ($i = 0; $i < sizeof($SQL); $i++) {
if ($SQL[$i]) {
$result = pmb_mysql_query($SQL[$i], $dbh);
}
}
} else {
die("can't open file to restore");
return FALSE;
}
}
return TRUE;
}
function read()
{
$this->algorithm = ord($this->read_byte());
$this->data = $this->read_bytes($this->length);
switch ($this->algorithm) {
case 0:
$this->data = \OpenPGP\Message::parse($this->data);
break;
case 1:
$this->data = \OpenPGP\Message::parse(gzinflate($this->data));
break;
case 2:
$this->data = \OpenPGP\Message::parse(gzuncompress($this->data));
break;
case 3:
$this->data = \OpenPGP\Message::parse(bzdecompress($this->data));
break;
default:
throw new Exception("Bad value for Compression Algorithm (decompress)");
}
}
/**
* Extract a Bzip2 compressed file to a given path
*
* @param string $archive Path to Bzip2 archive to extract
* @param string $destination Path to extract archive to
* @param array $options Extraction options [unused]
*
* @return boolean True if successful
*
* @since 11.1
* @throws RuntimeException
*/
public function extract($archive, $destination, array $options = array())
{
$this->_data = null;
if (!static::isSupported()) {
throw new RuntimeException('The bz2 extension is not available.');
}
if (isset($options['use_streams']) && $options['use_streams'] != false) {
return $this->extractStream($archive, $destination, $options);
}
// Old style: read the whole file and then parse it
$this->_data = file_get_contents($archive);
if (!$this->_data) {
throw new RuntimeException('Unable to read archive');
}
$buffer = bzdecompress($this->_data);
unset($this->_data);
if (empty($buffer)) {
throw new RuntimeException('Unable to decompress data');
}
if (JFile::write($destination, $buffer) === false) {
throw new RuntimeException('Unable to write archive');
}
return true;
}
/**
* Uncompress file. And save it to the targetFile.
*
* @access Private
* @param Filecontent, int, int, boolean
* @return none
*/
private function _uncompress($content, $mode, $uncompressed_size, $target_file_name = FALSE)
{
switch ($mode) {
case 0:
return $target_file_name ? file_put_contents($target_file_name, $content) : $content;
case 1:
$this->set_error('Shrunk mode is not supported... yet?');
return FALSE;
case 2:
case 3:
case 4:
case 5:
$this->set_error('Compression factor ' . ($mode - 1) . ' is not supported... yet?');
return FALSE;
case 6:
$this->set_error('Implode is not supported... yet?');
return FALSE;
case 7:
$this->set_error('Tokenizing compression algorithm is not supported... yet?');
return FALSE;
case 8:
// Deflate
return $target_file_name ? file_put_contents($target_file_name, gzinflate($content, $uncompressed_size)) : gzinflate($content, $uncompressed_size);
case 9:
$this->set_error('Enhanced Deflating is not supported... yet?');
return FALSE;
case 10:
$this->set_error('PKWARE Date Compression Library Impoloding is not supported... yet?');
return FALSE;
case 12:
// Bzip2
return $target_file_name ? file_put_contents($target_file_name, bzdecompress($content)) : bzdecompress($content);
case 18:
$this->set_error('IBM TERSE is not supported... yet?');
return FALSE;
default:
$this->set_error('Unknown uncompress method: $mode');
return FALSE;
}
}
<?php $string = "Life it seems, will fade away\nDrifting further everyday\nGetting lost within myself\nNothing matters no one else"; var_dump(bzcompress()); var_dump(bzcompress(1, 1, 1)); var_dump(bzcompress($string, 100)); var_dump(bzcompress($string, 100, -1)); var_dump(bzcompress($string, 100, 1000)); var_dump(bzcompress($string, -1, 1)); $data = bzcompress($string); $data2 = bzcompress($string, 1, 10); $data3 = $data2; $data3[3] = 0; var_dump(bzdecompress()); var_dump(bzdecompress(1, 1, 1)); var_dump(bzdecompress(1, 1)); var_dump(bzdecompress($data3)); var_dump(bzdecompress($data3, 1)); var_dump(bzdecompress($data, -1)); var_dump(bzdecompress($data, 0)); var_dump(bzdecompress($data, 1000)); var_dump(bzdecompress($data)); var_dump(bzdecompress($data2)); echo "Done\n";
function read_zip($name)
{
// Clear current file
$this->datasec = array();
// File information
$this->name = $name;
$this->mtime = filemtime($name);
$this->size = filesize($name);
// Read file
$fh = fopen($name, "rb");
$filedata = fread($fh, $this->size);
fclose($fh);
// Break into sections
$filesecta = explode("PK", $filedata);
// ZIP Comment
$unpackeda = unpack('x16/v1length', $filesecta[1]);
$this->comment = substr($filesecta[1], 18, $unpackeda['length']);
$this->comment = str_replace(array("\r\n", "\r"), "\n", $this->comment);
// CR + LF and CR -> LF
// Cut entries from the central directory
$filesecta = explode("PK", $filedata);
$filesecta = explode("PK", $filesecta[0]);
array_shift($filesecta);
// Removes empty entry/signature
foreach ($filesecta as $filedata) {
// CRC:crc, FD:file date, FT: file time, CM: compression method, GPF: general purpose flag, VN: version needed, CS: compressed size, UCS: uncompressed size, FNL: filename length
$entrya = array();
$entrya['error'] = "";
$unpackeda = unpack("v1version/v1general_purpose/v1compress_method/v1file_time/v1file_date/V1crc/V1size_compressed/V1size_uncompressed/v1filename_length", $filedata);
// Check for encryption
$isencrypted = $unpackeda['general_purpose'] & 0x1 ? true : false;
// Check for value block after compressed data
if ($unpackeda['general_purpose'] & 0x8) {
$unpackeda2 = unpack("V1crc/V1size_compressed/V1size_uncompressed", substr($filedata, -12));
$unpackeda['crc'] = $unpackeda2['crc'];
$unpackeda['size_compressed'] = $unpackeda2['size_uncompressed'];
$unpackeda['size_uncompressed'] = $unpackeda2['size_uncompressed'];
unset($unpackeda2);
}
$entrya['name'] = substr($filedata, 26, $unpackeda['filename_length']);
if (substr($entrya['name'], -1) == "/") {
continue;
}
$entrya['dir'] = dirname($entrya['name']);
$entrya['dir'] = $entrya['dir'] == "." ? "" : $entrya['dir'];
$entrya['name'] = basename($entrya['name']);
$filedata = substr($filedata, 26 + $unpackeda['filename_length']);
if (strlen($filedata) != $unpackeda['size_compressed']) {
$entrya['error'] = "Compressed size is not equal to the value given in header.";
}
if ($isencrypted) {
$entrya['error'] = "Encryption is not supported.";
} else {
switch ($unpackeda['compress_method']) {
case 0:
// Stored
// Not compressed, continue
break;
case 8:
// Deflated
$filedata = gzinflate($filedata);
break;
case 12:
// BZIP2
if (!extension_loaded("bz2")) {
@dl(strtolower(substr(PHP_OS, 0, 3)) == "win" ? "php_bz2.dll" : "bz2.so");
}
if (extension_loaded("bz2")) {
$filedata = bzdecompress($filedata);
} else {
$entrya['error'] = "Required BZIP2 Extension not available.";
}
break;
default:
$entrya['error'] = "Compression method ({$unpackeda['compress_method']}) not supported.";
}
if (!$entrya['error']) {
if ($filedata === false) {
$entrya['error'] = "Decompression failed.";
} elseif (strlen($filedata) != $unpackeda['size_uncompressed']) {
$entrya['error'] = "File size is not equal to the value given in header.";
} elseif (crc32($filedata) != $unpackeda['crc']) {
$entrya['error'] = "CRC32 checksum is not equal to the value given in header.";
}
}
$entrya['filemtime'] = mktime(($unpackeda['file_time'] & 0xf800) >> 11, ($unpackeda['file_time'] & 0x7e0) >> 5, ($unpackeda['file_time'] & 0x1f) << 1, ($unpackeda['file_date'] & 0x1e0) >> 5, $unpackeda['file_date'] & 0x1f, (($unpackeda['file_date'] & 0xfe00) >> 9) + 1980);
$entrya['data'] = $filedata;
}
$this->files[] = $entrya;
}
return $this->files;
}
/**
* Extract archive
*/
function extract($dst)
{
// Loop the file, looking for files and folders
$dd_try = false;
rewind($this->fp);
while (!feof($this->fp)) {
// Check if the signature is valid...
$signature = fread($this->fp, 4);
switch ($signature) {
// 'Local File Header'
case "PK":
// Lets get everything we need.
// We don't store the version needed to extract, the general purpose bit flag or the date and time fields
$data = unpack("@4/vc_method/@10/Vcrc/Vc_size/Vuc_size/vname_len/vextra_field", fread($this->fp, 26));
$file_name = fread($this->fp, $data['name_len']);
// filename
if ($data['extra_field']) {
fread($this->fp, $data['extra_field']);
// extra field
}
$target_filename = "{$dst}{$file_name}";
if (!$data['uc_size'] && !$data['crc'] && substr($file_name, -1, 1) == '/') {
if (!is_dir($target_filename)) {
$str = '';
$folders = explode('/', $target_filename);
// Create and folders and subfolders if they do not exist
foreach ($folders as $folder) {
$folder = trim($folder);
if (!$folder) {
continue;
}
$str = !empty($str) ? $str . '/' . $folder : $folder;
if (!is_dir($str)) {
if (!@mkdir($str, 0777)) {
trigger_error("Could not create directory {$folder}");
}
phpbb_chmod($str, CHMOD_READ | CHMOD_WRITE);
}
}
}
// This is a directory, we are not writting files
continue;
} else {
// Some archivers are punks, they don't include folders in their archives!
$str = '';
$folders = explode('/', pathinfo($target_filename, PATHINFO_DIRNAME));
// Create and folders and subfolders if they do not exist
foreach ($folders as $folder) {
$folder = trim($folder);
if (!$folder) {
continue;
}
$str = !empty($str) ? $str . '/' . $folder : $folder;
if (!is_dir($str)) {
if (!@mkdir($str, 0777)) {
trigger_error("Could not create directory {$folder}");
}
phpbb_chmod($str, CHMOD_READ | CHMOD_WRITE);
}
}
}
if (!$data['uc_size']) {
$content = '';
} else {
$content = fread($this->fp, $data['c_size']);
}
$fp = fopen($target_filename, "w");
switch ($data['c_method']) {
case 0:
// Not compressed
fwrite($fp, $content);
break;
case 8:
// Deflate
fwrite($fp, gzinflate($content, $data['uc_size']));
break;
case 12:
// Bzip2
fwrite($fp, bzdecompress($content));
break;
}
fclose($fp);
break;
// We hit the 'Central Directory Header', we can stop because nothing else in here requires our attention
// or we hit the end of the central directory record, we can safely end the loop as we are totally finished with looking for files and folders
// We hit the 'Central Directory Header', we can stop because nothing else in here requires our attention
// or we hit the end of the central directory record, we can safely end the loop as we are totally finished with looking for files and folders
case "PK":
// This case should simply never happen.. but it does exist..
// This case should simply never happen.. but it does exist..
case "PK":
break 2;
// 'Packed to Removable Disk', ignore it and look for the next signature...
// 'Packed to Removable Disk', ignore it and look for the next signature...
case 'PK00':
continue 2;
// We have encountered a header that is weird. Lets look for better data...
// We have encountered a header that is weird. Lets look for better data...
default:
if (!$dd_try) {
// Unexpected header. Trying to detect wrong placed 'Data Descriptor';
$dd_try = true;
fseek($this->fp, 8, SEEK_CUR);
// Jump over 'crc-32'(4) 'compressed-size'(4), 'uncompressed-size'(4)
continue 2;
}
trigger_error("Unexpected header, ending loop");
break 2;
}
$dd_try = false;
}
}
/**
* Returns the file data for a file by offsest in the ZIP archive
*
* @access private
* @param int $key The position of the file in the archive.
* @return string Uncompresed file data buffer
* @since 1.5
*/
function _getFileData($key)
{
if ($this->_metadata[$key]['_method'] == 0x8) {
// If zlib extention is loaded use it
if (extension_loaded('zlib')) {
return @gzinflate(substr($this->_data, $this->_metadata[$key]['_dataStart'], $this->_metadata[$key]['csize']));
}
} elseif ($this->_metadata[$key]['_method'] == 0x0) {
/* Files that aren't compressed. */
return substr($this->_data, $this->_metadata[$key]['_dataStart'], $this->_metadata[$key]['csize']);
} elseif ($this->_metadata[$key]['_method'] == 0x12) {
// Is bz2 extension loaded? If not try to load it
if (!extension_loaded('bz2')) {
if (ext_isWindows()) {
@dl('php_bz2.dll');
} else {
@dl('bz2.so');
}
}
// If bz2 extention is sucessfully loaded use it
if (extension_loaded('bz2')) {
return bzdecompress(substr($this->_data, $this->_metadata[$key]['_dataStart'], $this->_metadata[$key]['csize']));
}
}
return '';
}
/**
* Returns the file data for a file by offsest in the ZIP archive
*
* @param integer $key The position of the file in the archive.
*
* @return string Uncompressed file data buffer.
*
* @since 11.1
*/
private function _getFileData($key)
{
if ($this->_metadata[$key]['_method'] == 0x8) {
return gzinflate(substr($this->_data, $this->_metadata[$key]['_dataStart'], $this->_metadata[$key]['csize']));
} elseif ($this->_metadata[$key]['_method'] == 0x0) {
/* Files that aren't compressed. */
return substr($this->_data, $this->_metadata[$key]['_dataStart'], $this->_metadata[$key]['csize']);
} elseif ($this->_metadata[$key]['_method'] == 0x12) {
// If bz2 extension is loaded use it
if (extension_loaded('bz2')) {
return bzdecompress(substr($this->_data, $this->_metadata[$key]['_dataStart'], $this->_metadata[$key]['csize']));
}
}
return '';
}
private function _unzip($filename, $is_data = false)
{
// Clear current file
$this->datasec = array();
if ($is_data) {
$this->package['filename'] = 'default.xlsx';
$this->package['mtime'] = time();
$this->package['size'] = strlen($filename);
$vZ = $filename;
} else {
if (!is_readable($filename)) {
$this->error('File not found');
return false;
}
// Package information
$this->package['filename'] = $filename;
$this->package['mtime'] = filemtime($filename);
$this->package['size'] = filesize($filename);
// Read file
$oF = fopen($filename, 'rb');
$vZ = fread($oF, $this->package['size']);
fclose($oF);
}
// Cut end of central directory
/* $aE = explode("\x50\x4b\x05\x06", $vZ);
if (count($aE) == 1) {
$this->error('Unknown format');
return false;
}
*/
if (($pcd = strrpos($vZ, "PK")) === false) {
$this->error('Unknown format');
return false;
}
$aE = array(0 => substr($vZ, 0, $pcd), 1 => substr($vZ, $pcd + 3));
// Normal way
$aP = unpack('x16/v1CL', $aE[1]);
$this->package['comment'] = substr($aE[1], 18, $aP['CL']);
// Translates end of line from other operating systems
$this->package['comment'] = strtr($this->package['comment'], array("\r\n" => "\n", "\r" => "\n"));
// Cut the entries from the central directory
$aE = explode("PK", $vZ);
// Explode to each part
$aE = explode("PK", $aE[0]);
// Shift out spanning signature or empty entry
array_shift($aE);
// Loop through the entries
foreach ($aE as $vZ) {
$aI = array();
$aI['E'] = 0;
$aI['EM'] = '';
// Retrieving local file header information
// $aP = unpack('v1VN/v1GPF/v1CM/v1FT/v1FD/V1CRC/V1CS/V1UCS/v1FNL', $vZ);
$aP = unpack('v1VN/v1GPF/v1CM/v1FT/v1FD/V1CRC/V1CS/V1UCS/v1FNL/v1EFL', $vZ);
// Check if data is encrypted
// $bE = ($aP['GPF'] && 0x0001) ? TRUE : FALSE;
$bE = false;
$nF = $aP['FNL'];
$mF = $aP['EFL'];
// Special case : value block after the compressed data
if ($aP['GPF'] & 0x8) {
$aP1 = unpack('V1CRC/V1CS/V1UCS', substr($vZ, -12));
$aP['CRC'] = $aP1['CRC'];
$aP['CS'] = $aP1['CS'];
$aP['UCS'] = $aP1['UCS'];
// 2013-08-10
$vZ = substr($vZ, 0, -12);
if (substr($vZ, -4) === "PK") {
$vZ = substr($vZ, 0, -4);
}
}
// Getting stored filename
$aI['N'] = substr($vZ, 26, $nF);
if (substr($aI['N'], -1) == '/') {
// is a directory entry - will be skipped
continue;
}
// Truncate full filename in path and filename
$aI['P'] = dirname($aI['N']);
$aI['P'] = $aI['P'] == '.' ? '' : $aI['P'];
$aI['N'] = basename($aI['N']);
$vZ = substr($vZ, 26 + $nF + $mF);
if (strlen($vZ) != $aP['CS']) {
// check only if availabled
$aI['E'] = 1;
$aI['EM'] = 'Compressed size is not equal with the value in header information.';
} else {
if ($bE) {
$aI['E'] = 5;
$aI['EM'] = 'File is encrypted, which is not supported from this class.';
} else {
switch ($aP['CM']) {
case 0:
// Stored
// Here is nothing to do, the file ist flat.
break;
case 8:
// Deflated
$vZ = gzinflate($vZ);
break;
case 12:
// BZIP2
if (!extension_loaded('bz2')) {
if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
@dl('php_bz2.dll');
} else {
@dl('bz2.so');
}
}
if (extension_loaded('bz2')) {
$vZ = bzdecompress($vZ);
} else {
$aI['E'] = 7;
$aI['EM'] = "PHP BZIP2 extension not available.";
}
break;
default:
$aI['E'] = 6;
$aI['EM'] = "De-/Compression method {$aP['CM']} is not supported.";
}
if (!$aI['E']) {
if ($vZ === FALSE) {
$aI['E'] = 2;
$aI['EM'] = 'Decompression of data failed.';
} else {
if (strlen($vZ) != $aP['UCS']) {
$aI['E'] = 3;
$aI['EM'] = 'Uncompressed size is not equal with the value in header information.';
} else {
if (crc32($vZ) != $aP['CRC']) {
$aI['E'] = 4;
$aI['EM'] = 'CRC32 checksum is not equal with the value in header information.';
}
}
}
}
}
}
$aI['D'] = $vZ;
// DOS to UNIX timestamp
$aI['T'] = mktime(($aP['FT'] & 0xf800) >> 11, ($aP['FT'] & 0x7e0) >> 5, ($aP['FT'] & 0x1f) << 1, ($aP['FD'] & 0x1e0) >> 5, $aP['FD'] & 0x1f, (($aP['FD'] & 0xfe00) >> 9) + 1980);
//$this->Entries[] = &new SimpleUnzipEntry($aI);
$this->package['entries'][] = array('data' => $aI['D'], 'error' => $aI['E'], 'error_msg' => $aI['EM'], 'name' => $aI['N'], 'path' => $aI['P'], 'time' => $aI['T']);
}
// end for each entries
}
