public async Task <PreKeyBundle> GetPreKey(CancellationToken token, SignalServiceAddress destination, uint deviceId)// throws IOException
{
try
{
string path = string.Format(PREKEY_DEVICE_PATH, destination.E164number,
deviceId.ToString());
if (destination.Relay != null)
{
path = path + "?relay=" + destination.Relay;
}
string responseText = await MakeServiceRequestAsync(token, path, "GET", null);
PreKeyResponse response = JsonUtil.FromJson <PreKeyResponse>(responseText);
if (response.Devices == null || response.Devices.Count < 1)
{
throw new Exception("Empty prekey list");
}
PreKeyResponseItem device = response.Devices[0];
ECPublicKey? preKey = null;
ECPublicKey? signedPreKey = null;
byte[]? signedPreKeySignature = null;
int preKeyId = -1;
int signedPreKeyId = -1;
if (device.PreKey != null)
{
preKeyId = (int)device.PreKey.KeyId;
preKey = device.PreKey.PublicKey;
}
if (device.SignedPreKey != null)
{
signedPreKeyId = (int)device.SignedPreKey.KeyId;
signedPreKey = device.SignedPreKey.PublicKey;
signedPreKeySignature = device.SignedPreKey.Signature;
}
return(new PreKeyBundle(device.RegistrationId, device.DeviceId, (uint)preKeyId, preKey,
(uint)signedPreKeyId, signedPreKey, signedPreKeySignature, response.IdentityKey));
}
/*catch (JsonUtil.JsonParseException e)
* {
* throw new IOException(e);
* }*/
catch (NotFoundException nfe)
{
throw new UnregisteredUserException(destination.E164number, nfe);
}
}
public async Task <PreKeyBundle> getPreKey(SignalServiceAddress destination, uint deviceId)// throws IOException
{
try
{
string path = string.Format(PREKEY_DEVICE_PATH, destination.getNumber(),
deviceId.ToString());
if (destination.getRelay().HasValue)
{
path = path + "?relay=" + destination.getRelay().ForceGetValue();
}
string responseText = await makeRequest(path, "GET", null);
PreKeyResponse response = JsonUtil.fromJson <PreKeyResponse>(responseText);
if (response.getDevices() == null || response.getDevices().Count < 1)
{
throw new Exception("Empty prekey list");
}
PreKeyResponseItem device = response.getDevices()[0];
ECPublicKey preKey = null;
ECPublicKey signedPreKey = null;
byte[] signedPreKeySignature = null;
int preKeyId = -1;
int signedPreKeyId = -1;
if (device.getPreKey() != null)
{
preKeyId = (int)device.getPreKey().getKeyId();// TODO: whacky
preKey = device.getPreKey().getPublicKey();
}
if (device.getSignedPreKey() != null)
{
signedPreKeyId = (int)device.getSignedPreKey().getKeyId();// TODO: whacky
signedPreKey = device.getSignedPreKey().getPublicKey();
signedPreKeySignature = device.getSignedPreKey().getSignature();
}
return(new PreKeyBundle(device.getRegistrationId(), device.getDeviceId(), (uint)preKeyId, preKey,
(uint)signedPreKeyId, signedPreKey, signedPreKeySignature, response.getIdentityKey()));
}
/*catch (JsonUtil.JsonParseException e)
* {
* throw new IOException(e);
* }*/
catch (NotFoundException nfe)
{
throw new UnregisteredUserException(destination.getNumber(), nfe);
}
}
