/**
* Construct a TextSecureAccountManager.
*
* @param url The URL for the TextSecure server.
* @param trustStore The {@link org.whispersystems.textsecure.api.push.TrustStore} for the TextSecure server's TLS certificate.
* @param user A TextSecure phone number.
* @param password A TextSecure password.
*/
public TextSecureAccountManager(String url, TrustStore trustStore,
String user, String password, string userAgent)
{
this.pushServiceSocket = new PushServiceSocket(url, trustStore, new StaticCredentialsProvider(user, password, null), userAgent);
this.user = user;
this.userAgent = userAgent;
}
/**
* Construct a TextSecureMessageReceiver.
*
* @param url The URL of the TextSecure server.
* @param trustStore The {@link org.whispersystems.textsecure.api.push.TrustStore} containing
* the server's TLS signing certificate.
* @param credentials The TextSecure user's credentials.
*/
public TextSecureMessageReceiver(String url, TrustStore trustStore, CredentialsProvider credentials, string userAgent)
{
this.url = url;
this.trustStore = trustStore;
this.credentialsProvider = credentials;
this.socket = new PushServiceSocket(url, trustStore, credentials, userAgent);
this.userAgent = userAgent;
}
/**
* Construct a TextSecureMessageSender.
*
* @param url The URL of the TextSecure server.
* @param trustStore The trust store containing the TextSecure server's signing TLS certificate.
* @param user The TextSecure username (eg phone number).
* @param password The TextSecure user's password.
* @param store The AxolotlStore.
* @param eventListener An optional event listener, which fires whenever sessions are
* setup or torn down for a recipient.
*/
public TextSecureMessageSender(String url, TrustStore trustStore,
String user, String password,
AxolotlStore store,
May<EventListener> eventListener, String userAgent)
{
this.socket = new PushServiceSocket(url, trustStore, new StaticCredentialsProvider(user, password, null), userAgent);
this.store = store;
this.localAddress = new TextSecureAddress(user);
this.eventListener = eventListener;
}
private async void handleMismatchedDevices(PushServiceSocket socket, TextSecureAddress recipient,
MismatchedDevices mismatchedDevices)
{
try
{
foreach (uint extraDeviceId in mismatchedDevices.getExtraDevices())
{
store.DeleteSession(new AxolotlAddress(recipient.getNumber(), extraDeviceId));
}
foreach (uint missingDeviceId in mismatchedDevices.getMissingDevices())
{
PreKeyBundle preKey = await socket.getPreKey(recipient, missingDeviceId);
try
{
SessionBuilder sessionBuilder = new SessionBuilder(store, new AxolotlAddress(recipient.getNumber(), missingDeviceId));
sessionBuilder.process(preKey);
}
catch (libaxolotl.exceptions.UntrustedIdentityException e)
{
throw new UntrustedIdentityException("Untrusted identity key!", recipient.getNumber(), preKey.getIdentityKey());
}
}
}
catch (InvalidKeyException e)
{
throw new Exception(e.Message);
}
}
private OutgoingPushMessage getEncryptedMessage(PushServiceSocket socket, TextSecureAddress recipient, uint deviceId, byte[] plaintext, bool legacy)
{
AxolotlAddress axolotlAddress = new AxolotlAddress(recipient.getNumber(), deviceId);
TextSecureCipher cipher = new TextSecureCipher(localAddress, store);
if (!store.ContainsSession(axolotlAddress))
{
try
{
List<PreKeyBundle> preKeys = socket.getPreKeys(recipient, deviceId).Result;
foreach (PreKeyBundle preKey in preKeys)
{
try
{
AxolotlAddress preKeyAddress = new AxolotlAddress(recipient.getNumber(), preKey.getDeviceId());
SessionBuilder sessionBuilder = new SessionBuilder(store, preKeyAddress);
sessionBuilder.process(preKey);
}
catch (libaxolotl.exceptions.UntrustedIdentityException e)
{
throw new UntrustedIdentityException("Untrusted identity key!", recipient.getNumber(), preKey.getIdentityKey());
}
}
if (eventListener.HasValue)
{
eventListener.ForceGetValue().onSecurityEvent(recipient);
}
}
catch (InvalidKeyException e)
{
throw new Exception(e.Message);
}
}
return cipher.encrypt(axolotlAddress, plaintext, legacy);
}
private OutgoingPushMessageList getEncryptedMessages(PushServiceSocket socket,
TextSecureAddress recipient,
ulong timestamp,
byte[] plaintext,
bool legacy)
{
List<OutgoingPushMessage> messages = new List<OutgoingPushMessage>();
if (!recipient.Equals(localAddress))
{
messages.Add(getEncryptedMessage(socket, recipient, TextSecureAddress.DEFAULT_DEVICE_ID, plaintext, legacy));
}
foreach (uint deviceId in store.GetSubDeviceSessions(recipient.getNumber()))
{
messages.Add(getEncryptedMessage(socket, recipient, deviceId, plaintext, legacy));
}
return new OutgoingPushMessageList(recipient.getNumber(), timestamp, recipient.getRelay().HasValue ? recipient.getRelay().ForceGetValue() : null, messages);
}