public async Task <PreKeyBundle> getPreKey(TextSecureAddress 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);
}
}
public async Task <List <PreKeyBundle> > getPreKeys(TextSecureAddress destination, uint deviceIdInteger)// throws IOException
{
try
{
String deviceId = deviceIdInteger.ToString();
if (deviceId.Equals("1"))
{
deviceId = "*";
}
String path = String.Format(PREKEY_DEVICE_PATH, destination.getNumber(), deviceId);
if (destination.getRelay().HasValue)
{
path = path + "?relay=" + destination.getRelay().ForceGetValue();
}
String responseText = await makeRequest(path, "GET", null);
PreKeyResponse response = JsonUtil.fromJson <PreKeyResponse>(responseText);
List <PreKeyBundle> bundles = new List <PreKeyBundle>();
foreach (PreKeyResponseItem device in response.getDevices())
{
ECPublicKey preKey = null;
ECPublicKey signedPreKey = null;
byte[] signedPreKeySignature = null;
int preKeyId = -1;
int signedPreKeyId = -1;
if (device.getSignedPreKey() != null)
{
signedPreKey = device.getSignedPreKey().getPublicKey();
signedPreKeyId = (int)device.getSignedPreKey().getKeyId(); // TODO: whacky
signedPreKeySignature = device.getSignedPreKey().getSignature();
}
if (device.getPreKey() != null)
{
preKeyId = (int)device.getPreKey().getKeyId();// TODO: whacky
preKey = device.getPreKey().getPublicKey();
}
bundles.Add(new PreKeyBundle(device.getRegistrationId(), device.getDeviceId(), (uint)preKeyId,
preKey, (uint)signedPreKeyId, signedPreKey, signedPreKeySignature,
response.getIdentityKey())); // TODO: whacky
}
return(bundles);
}
/*catch (JsonUtil.JsonParseException e)
* {
* throw new IOException(e);
* }*/
catch (NotFoundException nfe)
{
throw new UnregisteredUserException(destination.getNumber(), nfe);
}
}
