public NewDeviceLinkResult FinishNewDeviceRegistration(IdentityKeyPair tempIdentity, string signalingKey, string password, bool sms, bool fetches, int regid, string name)
{
ProvisionMessage pm = ProvisioningSocket.GetProvisioningMessage(tempIdentity);
string provisioningCode = pm.ProvisioningCode;
byte[] publicKeyBytes = pm.IdentityKeyPublic.ToByteArray();
if (publicKeyBytes.Length == 32)
{
byte[] type = { Curve.DJB_TYPE };
publicKeyBytes = ByteUtil.combine(type, publicKeyBytes);
}
ECPublicKey publicKey = Curve.decodePoint(publicKeyBytes, 0);
byte[] privateKeyBytes = pm.IdentityKeyPrivate.ToByteArray();
ECPrivateKey privateKey = Curve.decodePrivatePoint(privateKeyBytes);
IdentityKeyPair identity = new IdentityKeyPair(new IdentityKey(publicKey), privateKey);
pushServiceSocket = new PushServiceSocket(Urls, new StaticCredentialsProvider(pm.Number, password, null, -1), userAgent);
int deviceId = pushServiceSocket.finishNewDeviceRegistration(provisioningCode, signalingKey, sms, fetches, regid, name);
return(new NewDeviceLinkResult()
{
DeviceId = deviceId,
Identity = identity,
Number = pm.Number
});
}
private async Task HandleMismatchedDevices(CancellationToken token, PushServiceSocket socket, SignalServiceAddress recipient, MismatchedDevices mismatchedDevices)
{
try
{
foreach (uint extraDeviceId in mismatchedDevices.ExtraDevices)
{
store.DeleteSession(new SignalProtocolAddress(recipient.E164number, extraDeviceId));
}
foreach (uint missingDeviceId in mismatchedDevices.MissingDevices)
{
PreKeyBundle preKey = await socket.GetPreKey(token, recipient, missingDeviceId);
try
{
SessionBuilder sessionBuilder = new SessionBuilder(store, new SignalProtocolAddress(recipient.E164number, missingDeviceId));
sessionBuilder.process(preKey);
}
catch (libsignal.exceptions.UntrustedIdentityException)
{
throw new UntrustedIdentityException("Untrusted identity key!", recipient.E164number, preKey.getIdentityKey());
}
}
}
catch (InvalidKeyException e)
{
throw new Exception(e.Message);
}
}
private async Task <OutgoingPushMessageList> GetEncryptedMessages(CancellationToken token,
PushServiceSocket socket,
SignalServiceAddress recipient,
long timestamp,
byte[] plaintext,
bool silent)
{
List <OutgoingPushMessage> messages = new List <OutgoingPushMessage>();
bool myself = recipient.Equals(localAddress);
if (!myself || CredentialsProvider.DeviceId != SignalServiceAddress.DEFAULT_DEVICE_ID)
{
messages.Add(await GetEncryptedMessage(token, socket, recipient, SignalServiceAddress.DEFAULT_DEVICE_ID, plaintext, silent));
}
foreach (uint deviceId in store.GetSubDeviceSessions(recipient.E164number))
{
if (!myself || deviceId != CredentialsProvider.DeviceId)
{
if (store.ContainsSession(new SignalProtocolAddress(recipient.E164number, deviceId)))
{
messages.Add(await GetEncryptedMessage(token, socket, recipient, deviceId, plaintext, silent));
}
}
}
return(new OutgoingPushMessageList(recipient.E164number, (ulong)timestamp, recipient.Relay, messages));
}
/// <summary>
/// Construct a SignalServivceAccountManager.
/// </summary>
/// <param name="urls">The URL for the Signal Service.</param>
/// <param name="user">A Signal Service phone number</param>
/// <param name="password">A Signal Service password.</param>
/// <param name="userAgent">A string which identifies the client software.</param>
public SignalServiceAccountManager(SignalServiceUrl[] urls,
string user, string password, string userAgent)
{
this.pushServiceSocket = new PushServiceSocket(urls, new StaticCredentialsProvider(user, password, null), userAgent);
this.user = user;
this.userAgent = userAgent;
}
private void handleMismatchedDevices(PushServiceSocket socket, SignalServiceAddress recipient, MismatchedDevices mismatchedDevices)
{
try
{
foreach (uint extraDeviceId in mismatchedDevices.getExtraDevices())
{
store.DeleteSession(new SignalProtocolAddress(recipient.getNumber(), extraDeviceId));
}
foreach (uint missingDeviceId in mismatchedDevices.getMissingDevices())
{
PreKeyBundle preKey = socket.getPreKey(recipient, missingDeviceId);
try
{
SessionBuilder sessionBuilder = new SessionBuilder(store, new SignalProtocolAddress(recipient.getNumber(), missingDeviceId));
sessionBuilder.process(preKey);
}
catch (libsignal.exceptions.UntrustedIdentityException e)
{
throw new UntrustedIdentityException("Untrusted identity key!", recipient.getNumber(), preKey.getIdentityKey());
}
}
}
catch (InvalidKeyException e)
{
throw new Exception(e.Message);
}
}
private OutgoingPushMessageList getEncryptedMessages(PushServiceSocket socket,
SignalServiceAddress recipient,
long timestamp,
byte[] plaintext,
bool legacy,
bool silent)
{
List <OutgoingPushMessage> messages = new List <OutgoingPushMessage>();
bool myself = recipient.Equals(localAddress);
if (!myself || CredentialsProvider.GetDeviceId() != SignalServiceAddress.DEFAULT_DEVICE_ID)
{
messages.Add(getEncryptedMessage(socket, recipient, SignalServiceAddress.DEFAULT_DEVICE_ID, plaintext, legacy, silent));
}
foreach (uint deviceId in store.GetSubDeviceSessions(recipient.getNumber()))
{
if (!myself || deviceId != CredentialsProvider.GetDeviceId())
{
messages.Add(getEncryptedMessage(socket, recipient, deviceId, plaintext, legacy, silent));
}
}
return(new OutgoingPushMessageList(recipient.getNumber(), (ulong)timestamp, recipient.getRelay().HasValue ? recipient.getRelay().ForceGetValue() : null, messages));
}
/**
* 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;
}
/// <summary>
/// Construct a SignalServiceMessageReceiver.
/// </summary>
/// <param name="urls">The URL of the Signal Service.</param>
/// <param name="credentials">The Signal Service user's credentials</param>
/// <param name="userAgent"></param>
public SignalServiceMessageReceiver(SignalServiceConfiguration urls, ICredentialsProvider credentials, string userAgent, HttpClient httpClient)
{
Urls = urls;
CredentialsProvider = credentials;
Socket = new PushServiceSocket(urls, credentials, userAgent, httpClient);
UserAgent = userAgent;
}
/// <summary>
/// Construct a SignalServivceAccountManager
/// </summary>
/// <param name="configuration">The URL configuration for the Signal Service</param>
/// <param name="user">A Signal Service phone number</param>
/// <param name="password">A Signal Service password</param>
/// <param name="deviceId">A Signal Service device id</param>
/// <param name="userAgent">A string which identifies the client software</param>
public SignalServiceAccountManager(SignalServiceConfiguration configuration,
string user, string password, int deviceId, string userAgent)
{
PushServiceSocket = new PushServiceSocket(configuration, new StaticCredentialsProvider(user, password, null, deviceId), userAgent);
User = user;
UserAgent = userAgent;
}
/// <summary>
/// Construct a SignalServiceMessageReceiver.
/// </summary>
/// <param name="urls">The URL of the Signal Service.</param>
/// <param name="credentials">The Signal Service user's credentials</param>
/// <param name="userAgent"></param>
public SignalServiceMessageReceiver(SignalServiceUrl[] urls, CredentialsProvider credentials, string userAgent)
{
this.urls = urls;
this.credentialsProvider = credentials;
this.socket = new PushServiceSocket(urls, credentials, userAgent);
this.userAgent = userAgent;
}
/// <summary>
/// Construct a SignalServiceAccountManager for linking as a slave device
/// </summary>
/// <param name="configuration">The URL configuration for the Signal Service</param>
/// <param name="userAgent">A string which identifies the client software</param>
/// <param name="webSocketFactory">A factory which creates websocket connection objects</param>
public SignalServiceAccountManager(SignalServiceConfiguration configuration, string userAgent, HttpClient httpClient, ISignalWebSocketFactory webSocketFactory)
{
this.httpClient = httpClient;
this.configuration = configuration;
this.userAgent = userAgent;
credentials = new StaticCredentialsProvider(null, null, null, (int)SignalServiceAddress.DEFAULT_DEVICE_ID);
pushServiceSocket = new PushServiceSocket(configuration, credentials, userAgent, httpClient);
}
/**
* 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;
}
public SignalServiceAccountManager(SignalServiceConfiguration configuration,
ICredentialsProvider credentialsProvider,
string signalAgent,
HttpClient httpClient)
{
this.pushServiceSocket = new PushServiceSocket(configuration, credentialsProvider, signalAgent, httpClient);
this.configuration = configuration;
this.credentials = credentialsProvider;
this.userAgent = signalAgent;
this.httpClient = httpClient;
}
private async Task <OutgoingPushMessage> GetEncryptedMessage(CancellationToken token,
PushServiceSocket socket,
SignalServiceAddress recipient,
UnidentifiedAccess?unidentifiedAccess,
uint deviceId,
byte[] plaintext)
{
SignalProtocolAddress signalProtocolAddress = new SignalProtocolAddress(recipient.E164number, deviceId);
SignalServiceCipher cipher = new SignalServiceCipher(LocalAddress, Store, null);
if (!Store.ContainsSession(signalProtocolAddress))
{
try
{
List <PreKeyBundle> preKeys = await socket.GetPreKeys(token, recipient, unidentifiedAccess, deviceId);
foreach (PreKeyBundle preKey in preKeys)
{
if (CredentialsProvider.User.Equals(recipient.E164number) && CredentialsProvider.DeviceId == preKey.getDeviceId())
{
continue;
}
try
{
SignalProtocolAddress preKeyAddress = new SignalProtocolAddress(recipient.E164number, preKey.getDeviceId());
SessionBuilder sessionBuilder = new SessionBuilder(Store, preKeyAddress);
sessionBuilder.process(preKey);
}
catch (libsignal.exceptions.UntrustedIdentityException)
{
throw new UntrustedIdentityException("Untrusted identity key!", recipient.E164number, preKey.getIdentityKey());
}
}
if (EventListener != null)
{
EventListener.OnSecurityEvent(recipient);
}
}
catch (InvalidKeyException e)
{
throw new Exception(e.Message);
}
}
try
{
return(cipher.Encrypt(signalProtocolAddress, unidentifiedAccess, plaintext));
}
catch (libsignal.exceptions.UntrustedIdentityException e)
{
throw new UntrustedIdentityException("Untrusted on send", e.getName(), e.getUntrustedIdentity());
}
}
/// <summary>
/// Finishes a registration as a new device.
/// Called by the new device. This method blocks until the already verified device has verified this device.
/// </summary>
/// <param name="token"></param>
/// <param name="provisionMessage"></param>
/// <param name="signalingKey"></param>
/// <param name="password"></param>
/// <param name="sms"></param>
/// <param name="fetches"></param>
/// <param name="regid"></param>
/// <param name="name"></param>
/// <returns>Device id</returns>
public async Task <int> FinishNewDeviceRegistration(CancellationToken token, SignalServiceProvisionMessage provisionMessage, string signalingKey, string password, bool sms, bool fetches, int regid, string name)
{
pushServiceSocket = new PushServiceSocket(configuration, new StaticCredentialsProvider(provisionMessage.Number, password, null, -1), userAgent, httpClient);
// update credentials and pushServiceSocket to keep internal state consistent
int deviceId = await pushServiceSocket.FinishNewDeviceRegistration(token, provisionMessage.Code, signalingKey, sms, fetches, regid, name);
credentials = new StaticCredentialsProvider(provisionMessage.Number, password, null, deviceId);
pushServiceSocket = new PushServiceSocket(configuration, credentials, userAgent, httpClient);
return(deviceId);
}
/// <summary>
/// Construct a SignalServiceMessageSender
/// </summary>
/// <param name="urls">The URL of the Signal Service.</param>
/// <param name="user">The Signal Service username (eg phone number).</param>
/// <param name="password">The Signal Service user password</param>
/// <param name="store">The SignalProtocolStore.</param>
/// <param name="eventListener">An optional event listener, which fires whenever sessions are
/// setup or torn down for a recipient.</param>
/// <param name="userAgent"></param>
public SignalServiceMessageSender(SignalServiceUrl[] urls,
string user, string password,
SignalProtocolStore store,
May <SignalServiceMessagePipe> pipe,
May <EventListener> eventListener, string userAgent)
{
this.socket = new PushServiceSocket(urls, new StaticCredentialsProvider(user, password, null), userAgent);
this.store = store;
this.localAddress = new SignalServiceAddress(user);
this.pipe = pipe;
this.eventListener = eventListener;
}
/// <summary>
/// Construct a SignalServiceMessageSender
/// </summary>
/// <param name="token">A CancellationToken to cancel the sender's operations</param>
/// <param name="urls">The URL of the Signal Service.</param>
/// <param name="user">The Signal Service username (eg phone number).</param>
/// <param name="password">The Signal Service user password</param>
/// <param name="deviceId">Tbe Signal Service device id</param>
/// <param name="store">The SignalProtocolStore.</param>
/// <param name="pipe">An optional SignalServiceMessagePipe</param>
/// <param name="eventListener">An optional event listener, which fires whenever sessions are
/// setup or torn down for a recipient.</param>
/// <param name="userAgent"></param>
public SignalServiceMessageSender(CancellationToken token, SignalServiceConfiguration urls,
string user, string password, int deviceId,
SignalProtocolStore store,
SignalServiceMessagePipe pipe,
IEventListener eventListener, string userAgent)
{
Token = token;
CredentialsProvider = new StaticCredentialsProvider(user, password, null, deviceId);
this.socket = new PushServiceSocket(urls, CredentialsProvider, userAgent);
this.store = store;
this.localAddress = new SignalServiceAddress(user);
this.pipe = pipe;
this.eventListener = eventListener;
}
/// <summary>
/// Construct a SignalServiceMessageSender
/// </summary>
/// <param name="token">A CancellationToken to cancel the sender's operations</param>
/// <param name="urls">The URL of the Signal Service.</param>
/// <param name="user">The Signal Service username (eg phone number).</param>
/// <param name="password">The Signal Service user password</param>
/// <param name="deviceId">Tbe Signal Service device id</param>
/// <param name="store">The SignalProtocolStore.</param>
/// <param name="pipe">An optional SignalServiceMessagePipe</param>
/// <param name="unidentifiedPipe"></param>
/// <param name="eventListener">An optional event listener, which fires whenever sessions are
/// setup or torn down for a recipient.</param>
/// <param name="userAgent"></param>
/// <param name="isMultiDevice"></param>
public SignalServiceMessageSender(CancellationToken token, SignalServiceConfiguration urls,
string user, string password, int deviceId,
SignalProtocolStore store,
string userAgent,
bool isMultiDevice,
SignalServiceMessagePipe?pipe,
SignalServiceMessagePipe?unidentifiedPipe,
IEventListener eventListener)
{
Token = token;
CredentialsProvider = new StaticCredentialsProvider(user, password, null, deviceId);
Socket = new PushServiceSocket(urls, CredentialsProvider, userAgent);
Store = store;
LocalAddress = new SignalServiceAddress(user);
Pipe = pipe;
UnidentifiedPipe = unidentifiedPipe;
IsMultiDevice = isMultiDevice;
EventListener = eventListener;
}
private OutgoingPushMessage getEncryptedMessage(PushServiceSocket socket, SignalServiceAddress recipient, uint deviceId, byte[] plaintext, bool legacy, bool silent)
{
SignalProtocolAddress signalProtocolAddress = new SignalProtocolAddress(recipient.getNumber(), deviceId);
SignalServiceCipher cipher = new SignalServiceCipher(localAddress, store);
if (!store.ContainsSession(signalProtocolAddress))
{
try
{
List <PreKeyBundle> preKeys = socket.getPreKeys(recipient, deviceId);
foreach (PreKeyBundle preKey in preKeys)
{
if (CredentialsProvider.GetUser().Equals(recipient.getNumber()) && CredentialsProvider.GetDeviceId() == preKey.getDeviceId())
{
continue;
}
try
{
SignalProtocolAddress preKeyAddress = new SignalProtocolAddress(recipient.getNumber(), preKey.getDeviceId());
SessionBuilder sessionBuilder = new SessionBuilder(store, preKeyAddress);
sessionBuilder.process(preKey);
}
catch (libsignal.exceptions.UntrustedIdentityException e)
{
throw new UntrustedIdentityException("Untrusted identity key!", recipient.getNumber(), preKey.getIdentityKey());
}
}
if (eventListener != null)
{
eventListener.onSecurityEvent(recipient);
}
}
catch (InvalidKeyException e)
{
throw new Exception(e.Message);
}
}
return(cipher.encrypt(signalProtocolAddress, plaintext, legacy, silent));
}
private async Task <OutgoingPushMessageList> getEncryptedMessages(PushServiceSocket socket,
TextSecureAddress recipient,
ulong timestamp,
byte[] plaintext,
bool legacy)
{
List <OutgoingPushMessage> messages = new List <OutgoingPushMessage>();
if (!recipient.Equals(localAddress))
{
messages.Add(await getEncryptedMessage(socket, recipient, TextSecureAddress.DEFAULT_DEVICE_ID, plaintext, legacy));
}
foreach (uint deviceId in store.GetSubDeviceSessions(recipient.getNumber()))
{
messages.Add(await getEncryptedMessage(socket, recipient, deviceId, plaintext, legacy));
}
return(new OutgoingPushMessageList(recipient.getNumber(), timestamp, recipient.getRelay().HasValue ? recipient.getRelay().ForceGetValue() : null, messages));
}
private async Task <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 = await socket.getPreKeys(recipient, deviceId);
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));
}
public SignalServiceAccountManager(SignalServiceUrl[] urls, CancellationToken token, string userAgent)
{
Urls = urls;
ProvisioningSocket = new ProvisioningSocket(urls[0].getUrl(), token);
pushServiceSocket = new PushServiceSocket(urls, new StaticCredentialsProvider(null, null, null, (int)SignalServiceAddress.DEFAULT_DEVICE_ID), userAgent);
}
/// <summary>
/// Finishes a registration as a new device.
/// Called by the new device. This method blocks until the already verified device has verified this device.
/// </summary>
/// <param name="token"></param>
/// <param name="provisionMessage"></param>
/// <param name="signalingKey"></param>
/// <param name="password"></param>
/// <param name="sms"></param>
/// <param name="fetches"></param>
/// <param name="regid"></param>
/// <param name="name"></param>
/// <returns></returns>
public async Task <int> FinishNewDeviceRegistration(CancellationToken token, SignalServiceProvisionMessage provisionMessage, string signalingKey, string password, bool sms, bool fetches, int regid, string name)
{
PushServiceSocket = new PushServiceSocket(Configuration, new StaticCredentialsProvider(provisionMessage.Number, password, null, -1), UserAgent);
return(await PushServiceSocket.FinishNewDeviceRegistration(token, provisionMessage.Code, signalingKey, sms, fetches, regid, name));
}
/// <summary>
/// Construct a SignalServiceAccountManager for linking as a slave device
/// </summary>
/// <param name="configuration">The URL configuration for the Signal Service</param>
/// <param name="userAgent">A string which identifies the client software</param>
/// <param name="webSocketFactory">A factory which creates websocket connection objects</param>
public SignalServiceAccountManager(SignalServiceConfiguration configuration, string userAgent, ISignalWebSocketFactory webSocketFactory)
{
Configuration = configuration;
UserAgent = userAgent;
PushServiceSocket = new PushServiceSocket(configuration, new StaticCredentialsProvider(null, null, null, (int)SignalServiceAddress.DEFAULT_DEVICE_ID), userAgent);
}