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Example 1 with IqParser

use of de.pixart.messenger.parser.IqParser in project Pix-Art-Messenger by kriztan.

the class AxolotlService method buildSessionFromPEP.

private void buildSessionFromPEP(final SignalProtocolAddress address) {
    Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Building new session for " + address.toString());
    if (address.equals(getOwnAxolotlAddress())) {
        throw new AssertionError("We should NEVER build a session with ourselves. What happened here?!");
    }
    try {
        IqPacket bundlesPacket = mXmppConnectionService.getIqGenerator().retrieveBundlesForDevice(Jid.fromString(address.getName()), address.getDeviceId());
        Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Retrieving bundle: " + bundlesPacket);
        mXmppConnectionService.sendIqPacket(account, bundlesPacket, new OnIqPacketReceived() {

            @Override
            public void onIqPacketReceived(Account account, IqPacket packet) {
                if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
                    fetchStatusMap.put(address, FetchStatus.TIMEOUT);
                } else if (packet.getType() == IqPacket.TYPE.RESULT) {
                    Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received preKey IQ packet, processing...");
                    final IqParser parser = mXmppConnectionService.getIqParser();
                    final List<PreKeyBundle> preKeyBundleList = parser.preKeys(packet);
                    final PreKeyBundle bundle = parser.bundle(packet);
                    if (preKeyBundleList.isEmpty() || bundle == null) {
                        Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "preKey IQ packet invalid: " + packet);
                        fetchStatusMap.put(address, FetchStatus.ERROR);
                        finishBuildingSessionsFromPEP(address);
                        return;
                    }
                    Random random = new Random();
                    final PreKeyBundle preKey = preKeyBundleList.get(random.nextInt(preKeyBundleList.size()));
                    if (preKey == null) {
                        // should never happen
                        fetchStatusMap.put(address, FetchStatus.ERROR);
                        finishBuildingSessionsFromPEP(address);
                        return;
                    }
                    final PreKeyBundle preKeyBundle = new PreKeyBundle(0, address.getDeviceId(), preKey.getPreKeyId(), preKey.getPreKey(), bundle.getSignedPreKeyId(), bundle.getSignedPreKey(), bundle.getSignedPreKeySignature(), bundle.getIdentityKey());
                    try {
                        SessionBuilder builder = new SessionBuilder(axolotlStore, address);
                        builder.process(preKeyBundle);
                        XmppAxolotlSession session = new XmppAxolotlSession(account, axolotlStore, address, bundle.getIdentityKey());
                        sessions.put(address, session);
                        if (Config.X509_VERIFICATION) {
                            verifySessionWithPEP(session);
                        } else {
                            FingerprintStatus status = getFingerprintTrust(CryptoHelper.bytesToHex(bundle.getIdentityKey().getPublicKey().serialize()));
                            FetchStatus fetchStatus;
                            if (status != null && status.isVerified()) {
                                fetchStatus = FetchStatus.SUCCESS_VERIFIED;
                            } else if (status != null && status.isTrusted()) {
                                fetchStatus = FetchStatus.SUCCESS_TRUSTED;
                            } else {
                                fetchStatus = FetchStatus.SUCCESS;
                            }
                            fetchStatusMap.put(address, fetchStatus);
                            finishBuildingSessionsFromPEP(address);
                        }
                    } catch (UntrustedIdentityException | InvalidKeyException e) {
                        Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Error building session for " + address + ": " + e.getClass().getName() + ", " + e.getMessage());
                        fetchStatusMap.put(address, FetchStatus.ERROR);
                        finishBuildingSessionsFromPEP(address);
                    }
                } else {
                    fetchStatusMap.put(address, FetchStatus.ERROR);
                    Log.d(Config.LOGTAG, getLogprefix(account) + "Error received while building session:" + packet.findChild("error"));
                    finishBuildingSessionsFromPEP(address);
                }
            }
        });
    } catch (InvalidJidException e) {
        Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Got address with invalid jid: " + address.getName());
    }
}
Also used : Account(de.pixart.messenger.entities.Account) IqParser(de.pixart.messenger.parser.IqParser) UntrustedIdentityException(org.whispersystems.libsignal.UntrustedIdentityException) OnIqPacketReceived(de.pixart.messenger.xmpp.OnIqPacketReceived) InvalidJidException(de.pixart.messenger.xmpp.jid.InvalidJidException) SessionBuilder(org.whispersystems.libsignal.SessionBuilder) InvalidKeyException(org.whispersystems.libsignal.InvalidKeyException) IqPacket(de.pixart.messenger.xmpp.stanzas.IqPacket) PreKeyBundle(org.whispersystems.libsignal.state.PreKeyBundle) Random(java.util.Random)

Aggregations

Account (de.pixart.messenger.entities.Account)1 IqParser (de.pixart.messenger.parser.IqParser)1 OnIqPacketReceived (de.pixart.messenger.xmpp.OnIqPacketReceived)1 InvalidJidException (de.pixart.messenger.xmpp.jid.InvalidJidException)1 IqPacket (de.pixart.messenger.xmpp.stanzas.IqPacket)1 Random (java.util.Random)1 InvalidKeyException (org.whispersystems.libsignal.InvalidKeyException)1 SessionBuilder (org.whispersystems.libsignal.SessionBuilder)1 UntrustedIdentityException (org.whispersystems.libsignal.UntrustedIdentityException)1 PreKeyBundle (org.whispersystems.libsignal.state.PreKeyBundle)1