public void InfoHashTest()
{
MagnetLink link = new MagnetLink("magnet:?xt.1=urn:sha1:YNCKHTQCWBTRNJIV4WNAE52SJUQCZO5C");
Assert.Equal(InfoHash.FromBase32("YNCKHTQCWBTRNJIV4WNAE52SJUQCZO5C"), link.InfoHash);
//base32
InfoHash initial = new InfoHash(System.Text.Encoding.ASCII.GetBytes("foobafoobafoobafooba"));
link = new MagnetLink("magnet:?xt=urn:sha1:MZXW6YTBMZXW6YTBMZXW6YTBMZXW6YTB");
Assert.Equal(initial, link.InfoHash);
//base40 = hex
InfoHash hash = Create();
string hex = hash.ToHex();
link = new MagnetLink("magnet:?xt=urn:btih:" + hex);
Assert.Equal(hash, link.InfoHash);
}
public static InfoHash ToInfoHash(this Magnet magnet)
{
if (string.IsNullOrEmpty(magnet.BTIH))
{
throw new InvalidDataException("Unable to create InfoHash. Expected bit torrent info hash but null or empty");
}
if (magnet.BTIH.Length == 40)
{
return(InfoHash.FromHex(magnet.BTIH));
}
if (magnet.BTIH.Length == 32)
{
return(InfoHash.FromBase32(magnet.BTIH));
}
throw new InvalidDataException("Unknown type of hash provided. Expected BTIH of length 32 or 40 chars");
}
