/// <inheritdoc />
public Task <bool> VerifyChecksumAsync(string fileId, string algorithm, byte[] checksum, CancellationToken cancellationToken)
{
bool valid;
using (var stream = new FileStream(GetPath(fileId), FileMode.Open, FileAccess.ReadWrite))
{
valid = checksum.SequenceEqual(stream.CalculateSha1());
// ReSharper disable once InvertIf
if (!valid && _lengthBeforeWrite.ContainsKey(fileId))
{
stream.Seek(0, SeekOrigin.Begin);
stream.SetLength(_lengthBeforeWrite[fileId]);
_lengthBeforeWrite.Remove(fileId);
}
}
return(Task.FromResult(valid));
}
/// <inheritdoc />
public Task <bool> VerifyChecksumAsync(string fileId, string algorithm, byte[] checksum, CancellationToken cancellationToken)
{
bool valid;
using (var stream = new FileStream(GetPath(fileId), FileMode.Open, FileAccess.ReadWrite, FileShare.Read))
{
var chunkPositionFile = _fileRepFactory.ChunkStartPosition(fileId);
var chunkStartPosition = chunkPositionFile.ReadFirstLineAsLong(true, 0);
stream.Seek(chunkStartPosition, SeekOrigin.Begin);
var calculateSha1 = stream.CalculateSha1(chunkStartPosition);
valid = checksum.SequenceEqual(calculateSha1);
if (!valid)
{
stream.Seek(0, SeekOrigin.Begin);
stream.SetLength(chunkStartPosition);
chunkPositionFile.Delete();
_fileRepFactory.ChunkComplete(fileId).Delete();
}
}
return(Task.FromResult(valid));
}
