Examples with SessionRecord org.whispersystems.libsignal.state.SessionRecord used on opensource projects

Example 1 with SessionRecord

use of org.whispersystems.libsignal.state.SessionRecord in project Signal-Android by WhisperSystems.

the class TextSecureSessionStore method loadSession.

@Override
public SessionRecord loadSession(@NonNull SignalProtocolAddress address) {
    synchronized (FILE_LOCK) {
        try {
            FileInputStream in = new FileInputStream(getSessionFile(address));
            int versionMarker = readInteger(in);
            if (versionMarker > CURRENT_VERSION) {
                throw new AssertionError("Unknown version: " + versionMarker);
            }
            byte[] serialized = readBlob(in);
            in.close();
            if (versionMarker < PLAINTEXT_VERSION && masterSecret != null) {
                serialized = new MasterCipher(masterSecret).decryptBytes(serialized);
            } else if (versionMarker < PLAINTEXT_VERSION) {
                throw new AssertionError("Session didn't get migrated: (" + versionMarker + "," + address + ")");
            }
            if (versionMarker == SINGLE_STATE_VERSION) {
                SessionStructure sessionStructure = SessionStructure.parseFrom(serialized);
                SessionState sessionState = new SessionState(sessionStructure);
                return new SessionRecord(sessionState);
            } else if (versionMarker >= ARCHIVE_STATES_VERSION) {
                return new SessionRecord(serialized);
            } else {
                throw new AssertionError("Unknown version: " + versionMarker);
            }
        } catch (InvalidMessageException | IOException e) {
            Log.w(TAG, "No existing session information found.");
            return new SessionRecord();
        }
    }
}

Example 2 with SessionRecord

use of org.whispersystems.libsignal.state.SessionRecord in project Signal-Android by WhisperSystems.

the class TextSecureSessionStore method migrateSessions.

public void migrateSessions() {
    synchronized (FILE_LOCK) {
        File directory = getSessionDirectory();
        for (File session : directory.listFiles()) {
            if (session.isFile()) {
                SignalProtocolAddress address = getAddressName(session);
                if (address != null) {
                    SessionRecord sessionRecord = loadSession(address);
                    storeSession(address, sessionRecord);
                }
            }
        }
    }
}

Example 3 with SessionRecord

use of org.whispersystems.libsignal.state.SessionRecord in project Signal-Android by WhisperSystems.

the class IdentityUtil method getRemoteIdentityKey.

@UiThread
public static ListenableFuture<Optional<IdentityKey>> getRemoteIdentityKey(final Context context, final MasterSecret masterSecret, final Recipient recipient) {
    final SettableFuture<Optional<IdentityKey>> future = new SettableFuture<>();
    new AsyncTask<Recipient, Void, Optional<IdentityKey>>() {

        @Override
        protected Optional<IdentityKey> doInBackground(Recipient... recipient) {
            SessionStore sessionStore = new TextSecureSessionStore(context, masterSecret);
            SignalProtocolAddress axolotlAddress = new SignalProtocolAddress(recipient[0].getNumber(), SignalServiceAddress.DEFAULT_DEVICE_ID);
            SessionRecord record = sessionStore.loadSession(axolotlAddress);
            if (record == null) {
                return Optional.absent();
            }
            return Optional.fromNullable(record.getSessionState().getRemoteIdentityKey());
        }

        @Override
        protected void onPostExecute(Optional<IdentityKey> result) {
            future.set(result);
        }
    }.execute(recipient);
    return future;
}