public static Guid ParseOrThrow(byte[] bytes)
{
using MemoryStream stream = new MemoryStream(bytes);
// Needs to be big-endian because the Java ByteBuffer defaults to big-endian.
using BeBinaryReader byteBuffer = new BeBinaryReader(stream);
long high = byteBuffer.ReadInt64();
long low = byteBuffer.ReadInt64();
return(JavaUUIDToCSharpGuid(high, low));
}
public async Task <Dictionary <string, Guid> > GetRegisteredUsersAsync(IList <string> e164numbers, string mrenclave, CancellationToken?token = null)
{
if (token == null)
{
token = CancellationToken.None;
}
try
{
string authorization = await pushServiceSocket.GetContactDiscoveryAuthorizationAsync(token);
Dictionary <string, RemoteAttestation> attestations = await RemoteAttestationUtil.GetAndVerifyMultiRemoteAttestation(pushServiceSocket,
PushServiceSocket.ClientSet.ContactDiscovery,
mrenclave,
mrenclave,
authorization);
List <string> addressBook = new List <string>(e164numbers.Count);
foreach (string e164number in e164numbers)
{
addressBook.Add(e164number.Substring(1));
}
IList <string> cookies = attestations.Values.ToList()[0].Cookies;
DiscoveryRequest request = ContactDiscoveryCipher.CreateDiscoveryRequest(addressBook, attestations);
DiscoveryResponse response = await pushServiceSocket.GetContactDiscoveryRegisteredUsersAsync(authorization, request, cookies, mrenclave);
byte[] data = ContactDiscoveryCipher.GetDiscoveryResponseData(response, attestations.Values);
Dictionary <string, Guid> results = new Dictionary <string, Guid>(addressBook.Count);
BeBinaryReader uuidInputStream = new BeBinaryReader(new MemoryStream(data));
foreach (string candidate in addressBook)
{
long candidateUuidHigh = uuidInputStream.ReadInt64();
long candidateUuidLow = uuidInputStream.ReadInt64();
if (candidateUuidHigh != 0 || candidateUuidLow != 0)
{
results.Add($"+{candidate}", UuidUtil.JavaUUIDToCSharpGuid(candidateUuidHigh, candidateUuidLow));
}
}
return(results);
}
catch (InvalidCiphertextException ex)
{
throw new UnauthenticatedResponseException(ex);
}
}