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Kieran 2023-03-04 18:50:07 +00:00
parent 8bb7064963
commit 5bf357bf4b
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1 changed files with 9 additions and 6 deletions
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15
VoidCat/Model/Extensions.cs
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@ -277,7 +277,8 @@ public static class Extensions
public static async Task<Torrent> MakeTorrent(this FileMeta meta, Stream fileStream, Uri baseAddress)
{
const int pieceSize = 16_384;
const int pieceSize = 262_144;
const int pieceHashLen = 20;
var webSeed = new UriBuilder(baseAddress)
{
Path = $"/d/{meta.Id.ToBase58()}"
@ -286,15 +287,17 @@ public static class Extensions
async Task<byte[]> BuildPieces()
{
fileStream.Seek(0, SeekOrigin.Begin);
var hashes = new List<byte[]>();
var chunks = (int)Math.Ceiling(meta.Size / (decimal)pieceSize);
var hashes = new byte[pieceHashLen * chunks];
var chunk = new byte[pieceSize];
for (var x = 0; x < (int)Math.Ceiling(meta.Size / (decimal)pieceSize); x++)
for (var x = 0; x < chunks; x++)
{
var rLen = await fileStream.ReadAsync(chunk, 0, chunk.Length);
hashes.Add(SHA1.HashData(chunk.AsSpan(0, rLen)));
var hash = SHA1.HashData(chunk.AsSpan(0, rLen));
Buffer.BlockCopy(hash, 0, hashes, x * pieceHashLen, pieceHashLen);
}
return hashes.SelectMany(a => a).ToArray();
return hashes;
}
// build magnet link
@ -305,7 +308,7 @@ public static class Extensions
FileName = meta.Name,
FileSize = (long)meta.Size
},
Comment = meta.Description,
Comment = meta.Name,
CreationDate = meta.Uploaded.UtcDateTime,
IsPrivate = false,
PieceSize = pieceSize,