*/ public $mtime = 0; /** @var string */ public $permissions = ''; /** @var int<0, max> */ public $relativePathLength = 1; /** @var string */ public $relativePath = ''; /** * Class constructor * * @param DupArchiveHeader $archiveHeader archive header */ public function __construct(DupArchiveHeader $archiveHeader) // @phpstan-ignore-line { } /** * Read folder from archive * * @param resource $archiveHandle archive resource * @param boolean $skipStartElement if true sckip start element * * @return static|false */ public function readFromArchive($archiveHandle, $skipStartElement = false) { if (!$skipStartElement) { // $startElement = fread($archiveHandle, 3); if ($startElement === false) { if (feof($archiveHandle)) { return false; } else { throw new Exception('Error reading directory header', DupArchive::EXCEPTION_CODE_INVALID_MARKER); } } if ($startElement != '') { throw new Exception( "Invalid directory header marker found [{$startElement}] : location " . ftell($archiveHandle), DupArchive::EXCEPTION_CODE_EXTRACT_ERROR ); } } $this->mtime = (int) self::getHeaderField($archiveHandle, 'MT'); $this->permissions = self::getHeaderField($archiveHandle, 'P'); $length = self::getHeaderField($archiveHandle, 'RPL'); if (!is_numeric($length)) { throw new Exception('Header RPL must be numeric'); } $this->relativePathLength = (int) $length; // Skip the fread($archiveHandle, 4); $this->relativePath = fread($archiveHandle, $this->relativePathLength); // Skip the // fread($archiveHandle, 5); // Skip the // fread($archiveHandle, 4); // Skip the and the fread($archiveHandle, 9); return $this; } /** * Write header to archive * * @param resource $archiveHandle archive resource * * @return int bytes written */ public function writeToArchive($archiveHandle): int { if ($this->relativePathLength == 0) { // Don't allow a base path to be written to the archive return 0; } $headerString = '' . $this->mtime . '

' . $this->permissions . '

' . $this->relativePathLength . '' . $this->relativePath . ''; //SnapIO::fwrite($archiveHandle, $headerString); $bytes_written = @fwrite($archiveHandle, $headerString); if ($bytes_written === false) { throw new Exception('Error writing to file.', DupArchive::EXCEPTION_CODE_ADD_ERROR); } else { return $bytes_written; } } }