extractArchiveToDisk function

Future<void> extractArchiveToDisk(Archive archive, String outputPath, { int? bufferSize, })

Implementation

Future<void> extractArchiveToDisk(Archive archive, String outputPath,
    {int? bufferSize}) async {
  final outDir = Directory(outputPath);
  if (!outDir.existsSync()) {
    outDir.createSync(recursive: true);
  }

  for (final entry in archive) {
    final filePath = path.normalize(path.join(outputPath, entry.name));

    if ((entry.isDirectory && !entry.isSymbolicLink) ||
        !_isWithinOutputPath(outputPath, filePath)) {
      continue;
    }

    if (entry.isSymbolicLink) {
      if (!_isValidSymLink(outputPath, entry)) {
        continue;
      }

      final link = Link(filePath);
      await link.create(path.normalize(entry.symbolicLink ?? ""),
          recursive: true);
      continue;
    }

    if (entry.isDirectory) {
      await Directory(filePath).create(recursive: true);
      continue;
    }

    ArchiveFile file = entry;

    bufferSize ??= OutputFileStream.kDefaultBufferSize;
    final fileSize = file.size;
    final fileBufferSize = fileSize < bufferSize ? fileSize : bufferSize;
    final output = OutputFileStream(filePath, bufferSize: fileBufferSize);
    try {
      file.writeContent(output);
    } catch (err) {
      //
    }
    await output.close();
  }
}