public function privReadCentralFileHeader(&$p_header)
{
$v_result = 1;
// ----- Read the 4 bytes signature
$v_binary_data = @fread($this->zip_fd, 4);
$v_data = unpack('Vid', $v_binary_data);
// ----- Check signature
if ($v_data['id'] != 0x2014b50) {
// ----- Error log
PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid archive structure');
// ----- Return
return PclZip::errorCode();
}
// ----- Read the first 42 bytes of the header
$v_binary_data = fread($this->zip_fd, 42);
// ----- Look for invalid block size
if (strlen($v_binary_data) != 42) {
$p_header['filename'] = '';
$p_header['status'] = 'invalid_header';
// ----- Error log
PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid block size : ' . strlen($v_binary_data));
// ----- Return
return PclZip::errorCode();
}
// ----- Extract the values
$p_header = unpack('vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $v_binary_data);
// ----- Get filename
if ($p_header['filename_len'] != 0) {
$p_header['filename'] = fread($this->zip_fd, $p_header['filename_len']);
} else {
$p_header['filename'] = '';
}
// ----- Get extra
if ($p_header['extra_len'] != 0) {
$p_header['extra'] = fread($this->zip_fd, $p_header['extra_len']);
} else {
$p_header['extra'] = '';
}
// ----- Get comment
if ($p_header['comment_len'] != 0) {
$p_header['comment'] = fread($this->zip_fd, $p_header['comment_len']);
} else {
$p_header['comment'] = '';
}
// ----- Extract properties
// ----- Recuperate date in UNIX format
//if ($p_header['mdate'] && $p_header['mtime'])
// TBC : bug : this was ignoring time with 0/0/0
if (1) {
// ----- Extract time
$v_hour = ($p_header['mtime'] & 0xf800) >> 11;
$v_minute = ($p_header['mtime'] & 0x7e0) >> 5;
$v_seconde = ($p_header['mtime'] & 0x1f) * 2;
// ----- Extract date
$v_year = (($p_header['mdate'] & 0xfe00) >> 9) + 1980;
$v_month = ($p_header['mdate'] & 0x1e0) >> 5;
$v_day = $p_header['mdate'] & 0x1f;
// ----- Get UNIX date format
$p_header['mtime'] = @mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
} else {
$p_header['mtime'] = time();
}
// ----- Set the stored filename
$p_header['stored_filename'] = $p_header['filename'];
// ----- Set default status to ok
$p_header['status'] = 'ok';
// ----- Look if it is a directory
if (substr($p_header['filename'], -1) == '/') {
//$p_header['external'] = 0x41FF0010;
$p_header['external'] = 0x10;
}
// ----- Return
return $v_result;
}