Examples with SignalProtocolAddress org.whispersystems.libsignal.SignalProtocolAddress used on opensource projects

Example 6 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Signal-Android by signalapp.

the class TextSecureIdentityKeyStore method isTrustedIdentity.

@Override
public boolean isTrustedIdentity(SignalProtocolAddress address, IdentityKey identityKey, Direction direction) {
    synchronized (LOCK) {
        IdentityDatabase identityDatabase = DatabaseFactory.getIdentityDatabase(context);
        String ourNumber = TextSecurePreferences.getLocalNumber(context);
        Address theirAddress = Address.fromExternal(context, address.getName());
        if (ourNumber.equals(address.getName()) || Address.fromSerialized(ourNumber).equals(theirAddress)) {
            return identityKey.equals(IdentityKeyUtil.getIdentityKey(context));
        }
        switch(direction) {
            case SENDING:
                return isTrustedForSending(identityKey, identityDatabase.getIdentity(theirAddress));
            case RECEIVING:
                return true;
            default:
                throw new AssertionError("Unknown direction: " + direction);
        }
    }
}

Example 7 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Pix-Art-Messenger by kriztan.

the class AxolotlService method findOwnSessions.

public Collection<XmppAxolotlSession> findOwnSessions() {
    SignalProtocolAddress ownAddress = getAddressForJid(account.getJid().toBareJid());
    ArrayList<XmppAxolotlSession> s = new ArrayList<>(this.sessions.getAll(ownAddress.getName()).values());
    Collections.sort(s);
    return s;
}

Example 8 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Pix-Art-Messenger by kriztan.

the class AxolotlService method findDevicesWithoutSession.

public Set<SignalProtocolAddress> findDevicesWithoutSession(final Conversation conversation) {
    Set<SignalProtocolAddress> addresses = new HashSet<>();
    for (Jid jid : getCryptoTargets(conversation)) {
        Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Finding devices without session for " + jid);
        if (deviceIds.get(jid) != null) {
            for (Integer foreignId : this.deviceIds.get(jid)) {
                SignalProtocolAddress address = new SignalProtocolAddress(jid.toPreppedString(), foreignId);
                if (sessions.get(address) == null) {
                    IdentityKey identityKey = axolotlStore.loadSession(address).getSessionState().getRemoteIdentityKey();
                    if (identityKey != null) {
                        Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Already have session for " + address.toString() + ", adding to cache...");
                        XmppAxolotlSession session = new XmppAxolotlSession(account, axolotlStore, address, identityKey);
                        sessions.put(address, session);
                    } else {
                        Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Found device " + jid + ":" + foreignId);
                        if (fetchStatusMap.get(address) != FetchStatus.ERROR) {
                            addresses.add(address);
                        } else {
                            Log.d(Config.LOGTAG, getLogprefix(account) + "skipping over " + address + " because it's broken");
                        }
                    }
                }
            }
        } else {
            mXmppConnectionService.keyStatusUpdated(FetchStatus.ERROR);
            Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Have no target devices in PEP!");
        }
    }
    if (deviceIds.get(account.getJid().toBareJid()) != null) {
        for (Integer ownId : this.deviceIds.get(account.getJid().toBareJid())) {
            SignalProtocolAddress address = new SignalProtocolAddress(account.getJid().toBareJid().toPreppedString(), ownId);
            if (sessions.get(address) == null) {
                IdentityKey identityKey = axolotlStore.loadSession(address).getSessionState().getRemoteIdentityKey();
                if (identityKey != null) {
                    Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Already have session for " + address.toString() + ", adding to cache...");
                    XmppAxolotlSession session = new XmppAxolotlSession(account, axolotlStore, address, identityKey);
                    sessions.put(address, session);
                } else {
                    Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Found device " + account.getJid().toBareJid() + ":" + ownId);
                    if (fetchStatusMap.get(address) != FetchStatus.ERROR) {
                        addresses.add(address);
                    } else {
                        Log.d(Config.LOGTAG, getLogprefix(account) + "skipping over " + address + " because it's broken");
                    }
                }
            }
        }
    }
    return addresses;
}

Example 9 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Pix-Art-Messenger by kriztan.

the class AxolotlService method registerDevices.

public void registerDevices(final Jid jid, @NonNull final Set<Integer> deviceIds) {
    final int hash = deviceIds.hashCode();
    final boolean me = jid.toBareJid().equals(account.getJid().toBareJid());
    if (me) {
        if (hash != 0 && hash == this.lastDeviceListNotificationHash) {
            Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ignoring duplicate own device id list");
            return;
        }
        this.lastDeviceListNotificationHash = hash;
    }
    boolean needsPublishing = me && !deviceIds.contains(getOwnDeviceId());
    if (me) {
        deviceIds.remove(getOwnDeviceId());
    }
    Set<Integer> expiredDevices = new HashSet<>(axolotlStore.getSubDeviceSessions(jid.toBareJid().toPreppedString()));
    expiredDevices.removeAll(deviceIds);
    for (Integer deviceId : expiredDevices) {
        SignalProtocolAddress address = new SignalProtocolAddress(jid.toBareJid().toPreppedString(), deviceId);
        XmppAxolotlSession session = sessions.get(address);
        if (session != null && session.getFingerprint() != null) {
            if (session.getTrust().isActive()) {
                session.setTrust(session.getTrust().toInactive());
            }
        }
    }
    Set<Integer> newDevices = new HashSet<>(deviceIds);
    for (Integer deviceId : newDevices) {
        SignalProtocolAddress address = new SignalProtocolAddress(jid.toBareJid().toPreppedString(), deviceId);
        XmppAxolotlSession session = sessions.get(address);
        if (session != null && session.getFingerprint() != null) {
            if (!session.getTrust().isActive()) {
                Log.d(Config.LOGTAG, "reactivating device with fingerprint " + session.getFingerprint());
                session.setTrust(session.getTrust().toActive());
            }
        }
    }
    if (me) {
        if (Config.OMEMO_AUTO_EXPIRY != 0) {
            needsPublishing |= deviceIds.removeAll(getExpiredDevices());
        }
        needsPublishing |= this.changeAccessMode.get();
        for (Integer deviceId : deviceIds) {
            SignalProtocolAddress ownDeviceAddress = new SignalProtocolAddress(jid.toBareJid().toPreppedString(), deviceId);
            if (sessions.get(ownDeviceAddress) == null) {
                FetchStatus status = fetchStatusMap.get(ownDeviceAddress);
                if (status == null || status == FetchStatus.TIMEOUT) {
                    fetchStatusMap.put(ownDeviceAddress, FetchStatus.PENDING);
                    this.buildSessionFromPEP(ownDeviceAddress);
                }
            }
        }
        if (needsPublishing) {
            publishOwnDeviceId(deviceIds);
        }
    }
    this.deviceIds.put(jid, deviceIds);
    // update the lock icon
    mXmppConnectionService.updateConversationUi();
    mXmppConnectionService.keyStatusUpdated(null);
}

Example 10 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Pix-Art-Messenger by kriztan.

the class AxolotlService method verifySessionWithPEP.

private void verifySessionWithPEP(final XmppAxolotlSession session) {
    Log.d(Config.LOGTAG, "trying to verify fresh session (" + session.getRemoteAddress().getName() + ") with pep");
    final SignalProtocolAddress address = session.getRemoteAddress();
    final IdentityKey identityKey = session.getIdentityKey();
    try {
        IqPacket packet = mXmppConnectionService.getIqGenerator().retrieveVerificationForDevice(Jid.fromString(address.getName()), address.getDeviceId());
        mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() {

            @Override
            public void onIqPacketReceived(Account account, IqPacket packet) {
                Pair<X509Certificate[], byte[]> verification = mXmppConnectionService.getIqParser().verification(packet);
                if (verification != null) {
                    try {
                        Signature verifier = Signature.getInstance("sha256WithRSA");
                        verifier.initVerify(verification.first[0]);
                        verifier.update(identityKey.serialize());
                        if (verifier.verify(verification.second)) {
                            try {
                                mXmppConnectionService.getMemorizingTrustManager().getNonInteractive().checkClientTrusted(verification.first, "RSA");
                                String fingerprint = session.getFingerprint();
                                Log.d(Config.LOGTAG, "verified session with x.509 signature. fingerprint was: " + fingerprint);
                                setFingerprintTrust(fingerprint, FingerprintStatus.createActiveVerified(true));
                                axolotlStore.setFingerprintCertificate(fingerprint, verification.first[0]);
                                fetchStatusMap.put(address, FetchStatus.SUCCESS_VERIFIED);
                                Bundle information = CryptoHelper.extractCertificateInformation(verification.first[0]);
                                try {
                                    final String cn = information.getString("subject_cn");
                                    final Jid jid = Jid.fromString(address.getName());
                                    Log.d(Config.LOGTAG, "setting common name for " + jid + " to " + cn);
                                    account.getRoster().getContact(jid).setCommonName(cn);
                                } catch (final InvalidJidException ignored) {
                                // ignored
                                }
                                finishBuildingSessionsFromPEP(address);
                                return;
                            } catch (Exception e) {
                                Log.d(Config.LOGTAG, "could not verify certificate");
                            }
                        }
                    } catch (Exception e) {
                        Log.d(Config.LOGTAG, "error during verification " + e.getMessage());
                    }
                } else {
                    Log.d(Config.LOGTAG, "no verification found");
                }
                fetchStatusMap.put(address, FetchStatus.SUCCESS);
                finishBuildingSessionsFromPEP(address);
            }
        });
    } catch (InvalidJidException e) {
        fetchStatusMap.put(address, FetchStatus.SUCCESS);
        finishBuildingSessionsFromPEP(address);
    }
}