Examples with Element eu.siacs.conversations.xml.Element used on opensource projects

Example 26 with Element

use of eu.siacs.conversations.xml.Element in project Conversations by siacs.

the class XmppConnection method processStream.

private void processStream() throws XmlPullParserException, IOException, NoSuchAlgorithmException {
    Tag nextTag = tagReader.readTag();
    while (nextTag != null && !nextTag.isEnd("stream")) {
        if (nextTag.isStart("error")) {
            processStreamError(nextTag);
        } else if (nextTag.isStart("features")) {
            processStreamFeatures(nextTag);
        } else if (nextTag.isStart("proceed")) {
            switchOverToTls(nextTag);
        } else if (nextTag.isStart("success")) {
            final String challenge = tagReader.readElement(nextTag).getContent();
            try {
                saslMechanism.getResponse(challenge);
            } catch (final SaslMechanism.AuthenticationException e) {
                disconnect(true);
                Log.e(Config.LOGTAG, String.valueOf(e));
            }
            Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": logged in");
            account.setKey(Account.PINNED_MECHANISM_KEY, String.valueOf(saslMechanism.getPriority()));
            tagReader.reset();
            sendStartStream();
            final Tag tag = tagReader.readTag();
            if (tag != null && tag.isStart("stream")) {
                processStream();
            } else {
                throw new IOException("server didn't restart stream after successful auth");
            }
            break;
        } else if (nextTag.isStart("failure")) {
            final Element failure = tagReader.readElement(nextTag);
            final String text = failure.findChildContent("text");
            if (failure.hasChild("account-disabled") && text != null && text.contains("renew") && Config.MAGIC_CREATE_DOMAIN != null && text.contains(Config.MAGIC_CREATE_DOMAIN)) {
                throw new PaymentRequiredException();
            } else {
                throw new UnauthorizedException();
            }
        } else if (nextTag.isStart("challenge")) {
            final String challenge = tagReader.readElement(nextTag).getContent();
            final Element response = new Element("response");
            response.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-sasl");
            try {
                response.setContent(saslMechanism.getResponse(challenge));
            } catch (final SaslMechanism.AuthenticationException e) {
                // TODO: Send auth abort tag.
                Log.e(Config.LOGTAG, e.toString());
            }
            tagWriter.writeElement(response);
        } else if (nextTag.isStart("enabled")) {
            final Element enabled = tagReader.readElement(nextTag);
            if ("true".equals(enabled.getAttribute("resume"))) {
                this.streamId = enabled.getAttribute("id");
                Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": stream management(" + smVersion + ") enabled (resumable)");
            } else {
                Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": stream management(" + smVersion + ") enabled");
            }
            this.stanzasReceived = 0;
            final RequestPacket r = new RequestPacket(smVersion);
            tagWriter.writeStanzaAsync(r);
        } else if (nextTag.isStart("resumed")) {
            lastPacketReceived = SystemClock.elapsedRealtime();
            final Element resumed = tagReader.readElement(nextTag);
            final String h = resumed.getAttribute("h");
            try {
                ArrayList<AbstractAcknowledgeableStanza> failedStanzas = new ArrayList<>();
                synchronized (this.mStanzaQueue) {
                    final int serverCount = Integer.parseInt(h);
                    if (serverCount != stanzasSent) {
                        Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": session resumed with lost packages");
                        stanzasSent = serverCount;
                    } else {
                        Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": session resumed");
                    }
                    acknowledgeStanzaUpTo(serverCount);
                    for (int i = 0; i < this.mStanzaQueue.size(); ++i) {
                        failedStanzas.add(mStanzaQueue.valueAt(i));
                    }
                    mStanzaQueue.clear();
                }
                Log.d(Config.LOGTAG, "resending " + failedStanzas.size() + " stanzas");
                for (AbstractAcknowledgeableStanza packet : failedStanzas) {
                    if (packet instanceof MessagePacket) {
                        MessagePacket message = (MessagePacket) packet;
                        mXmppConnectionService.markMessage(account, message.getTo().toBareJid(), message.getId(), Message.STATUS_UNSEND);
                    }
                    sendPacket(packet);
                }
            } catch (final NumberFormatException ignored) {
            }
            Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": online with resource " + account.getResource());
            changeStatus(Account.State.ONLINE);
        } else if (nextTag.isStart("r")) {
            tagReader.readElement(nextTag);
            if (Config.EXTENDED_SM_LOGGING) {
                Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": acknowledging stanza #" + this.stanzasReceived);
            }
            final AckPacket ack = new AckPacket(this.stanzasReceived, smVersion);
            tagWriter.writeStanzaAsync(ack);
        } else if (nextTag.isStart("a")) {
            final Element ack = tagReader.readElement(nextTag);
            lastPacketReceived = SystemClock.elapsedRealtime();
            try {
                synchronized (this.mStanzaQueue) {
                    final int serverSequence = Integer.parseInt(ack.getAttribute("h"));
                    acknowledgeStanzaUpTo(serverSequence);
                }
            } catch (NumberFormatException | NullPointerException e) {
                Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server send ack without sequence number");
            }
        } else if (nextTag.isStart("failed")) {
            Element failed = tagReader.readElement(nextTag);
            try {
                final int serverCount = Integer.parseInt(failed.getAttribute("h"));
                Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": resumption failed but server acknowledged stanza #" + serverCount);
                synchronized (this.mStanzaQueue) {
                    acknowledgeStanzaUpTo(serverCount);
                }
            } catch (NumberFormatException | NullPointerException e) {
                Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": resumption failed");
            }
            resetStreamId();
            if (account.getStatus() != Account.State.ONLINE) {
                sendBindRequest();
            }
        } else if (nextTag.isStart("iq")) {
            processIq(nextTag);
        } else if (nextTag.isStart("message")) {
            processMessage(nextTag);
        } else if (nextTag.isStart("presence")) {
            processPresence(nextTag);
        }
        nextTag = tagReader.readTag();
    }
}

Example 27 with Element

use of eu.siacs.conversations.xml.Element in project Conversations by siacs.

the class XmppConnection method sendRegistryRequest.

private void sendRegistryRequest() {
    final IqPacket register = new IqPacket(IqPacket.TYPE.GET);
    register.query("jabber:iq:register");
    register.setTo(account.getServer());
    sendUnmodifiedIqPacket(register, new OnIqPacketReceived() {

        @Override
        public void onIqPacketReceived(final Account account, final IqPacket packet) {
            boolean failed = false;
            if (packet.getType() == IqPacket.TYPE.RESULT && packet.query().hasChild("username") && (packet.query().hasChild("password"))) {
                final IqPacket register = new IqPacket(IqPacket.TYPE.SET);
                final Element username = new Element("username").setContent(account.getUsername());
                final Element password = new Element("password").setContent(account.getPassword());
                register.query("jabber:iq:register").addChild(username);
                register.query().addChild(password);
                register.setFrom(account.getJid().toBareJid());
                sendUnmodifiedIqPacket(register, registrationResponseListener);
            } else if (packet.getType() == IqPacket.TYPE.RESULT && (packet.query().hasChild("x", "jabber:x:data"))) {
                final Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
                final Element blob = packet.query().findChild("data", "urn:xmpp:bob");
                final String id = packet.getId();
                Bitmap captcha = null;
                if (blob != null) {
                    try {
                        final String base64Blob = blob.getContent();
                        final byte[] strBlob = Base64.decode(base64Blob, Base64.DEFAULT);
                        InputStream stream = new ByteArrayInputStream(strBlob);
                        captcha = BitmapFactory.decodeStream(stream);
                    } catch (Exception e) {
                    //ignored
                    }
                } else {
                    try {
                        Field url = data.getFieldByName("url");
                        String urlString = url.findChildContent("value");
                        URL uri = new URL(urlString);
                        captcha = BitmapFactory.decodeStream(uri.openConnection().getInputStream());
                    } catch (IOException e) {
                        Log.e(Config.LOGTAG, e.toString());
                    }
                }
                if (captcha != null) {
                    failed = !mXmppConnectionService.displayCaptchaRequest(account, id, data, captcha);
                }
            } else {
                failed = true;
            }
            if (failed) {
                final Element instructions = packet.query().findChild("instructions");
                setAccountCreationFailed((instructions != null) ? instructions.getContent() : "");
            }
        }
    });
}

Example 28 with Element

use of eu.siacs.conversations.xml.Element in project Conversations by siacs.

the class XmppConnection method sendPostBindInitialization.

private void sendPostBindInitialization() {
    smVersion = 0;
    if (streamFeatures.hasChild("sm", "urn:xmpp:sm:3")) {
        smVersion = 3;
    } else if (streamFeatures.hasChild("sm", "urn:xmpp:sm:2")) {
        smVersion = 2;
    }
    if (smVersion != 0) {
        synchronized (this.mStanzaQueue) {
            final EnablePacket enable = new EnablePacket(smVersion);
            tagWriter.writeStanzaAsync(enable);
            stanzasSent = 0;
            mStanzaQueue.clear();
        }
    }
    features.carbonsEnabled = false;
    features.blockListRequested = false;
    synchronized (this.disco) {
        this.disco.clear();
    }
    Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": starting service discovery");
    mPendingServiceDiscoveries.set(0);
    if (smVersion == 0 || Patches.DISCO_EXCEPTIONS.contains(account.getJid().getDomainpart())) {
        Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": do not wait for service discovery");
        mWaitForDisco.set(false);
    } else {
        mWaitForDisco.set(true);
    }
    lastDiscoStarted = SystemClock.elapsedRealtime();
    mXmppConnectionService.scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
    Element caps = streamFeatures.findChild("c");
    final String hash = caps == null ? null : caps.getAttribute("hash");
    final String ver = caps == null ? null : caps.getAttribute("ver");
    ServiceDiscoveryResult discoveryResult = null;
    if (hash != null && ver != null) {
        discoveryResult = mXmppConnectionService.getCachedServiceDiscoveryResult(new Pair<>(hash, ver));
    }
    if (discoveryResult == null) {
        sendServiceDiscoveryInfo(account.getServer());
    } else {
        Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server caps came from cache");
        disco.put(account.getServer(), discoveryResult);
    }
    sendServiceDiscoveryInfo(account.getJid().toBareJid());
    sendServiceDiscoveryItems(account.getServer());
    if (!mWaitForDisco.get()) {
        finalizeBind();
    }
    this.lastSessionStarted = SystemClock.elapsedRealtime();
}

Example 29 with Element

use of eu.siacs.conversations.xml.Element in project Conversations by siacs.

the class XmppConnection method processStreamError.

private void processStreamError(final Tag currentTag) throws XmlPullParserException, IOException {
    final Element streamError = tagReader.readElement(currentTag);
    if (streamError == null) {
        return;
    }
    if (streamError.hasChild("conflict")) {
        final String resource = account.getResource().split("\\.")[0];
        account.setResource(resource + "." + nextRandomId());
        Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": switching resource due to conflict (" + account.getResource() + ")");
        throw new IOException();
    } else if (streamError.hasChild("host-unknown")) {
        throw new StreamErrorHostUnknown();
    } else if (streamError.hasChild("policy-violation")) {
        throw new StreamErrorPolicyViolation();
    } else {
        Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": stream error " + streamError.toString());
        throw new StreamError();
    }
}

Example 30 with Element

use of eu.siacs.conversations.xml.Element in project Conversations by siacs.

the class AxolotlService method publishBundlesIfNeeded.

public void publishBundlesIfNeeded(final boolean announce, final boolean wipe) {
    if (pepBroken) {
        Log.d(Config.LOGTAG, getLogprefix(account) + "publishBundlesIfNeeded called, but PEP is broken. Ignoring... ");
        return;
    }
    IqPacket packet = mXmppConnectionService.getIqGenerator().retrieveBundlesForDevice(account.getJid().toBareJid(), getOwnDeviceId());
    mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() {

        @Override
        public void onIqPacketReceived(Account account, IqPacket packet) {
            if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
                //ignore timeout. do nothing
                return;
            }
            if (packet.getType() == IqPacket.TYPE.ERROR) {
                Element error = packet.findChild("error");
                if (error == null || !error.hasChild("item-not-found")) {
                    pepBroken = true;
                    Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "request for device bundles came back with something other than item-not-found" + packet);
                    return;
                }
            }
            PreKeyBundle bundle = mXmppConnectionService.getIqParser().bundle(packet);
            Map<Integer, ECPublicKey> keys = mXmppConnectionService.getIqParser().preKeyPublics(packet);
            boolean flush = false;
            if (bundle == null) {
                Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received invalid bundle:" + packet);
                bundle = new PreKeyBundle(-1, -1, -1, null, -1, null, null, null);
                flush = true;
            }
            if (keys == null) {
                Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received invalid prekeys:" + packet);
            }
            try {
                boolean changed = false;
                // Validate IdentityKey
                IdentityKeyPair identityKeyPair = axolotlStore.getIdentityKeyPair();
                if (flush || !identityKeyPair.getPublicKey().equals(bundle.getIdentityKey())) {
                    Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding own IdentityKey " + identityKeyPair.getPublicKey() + " to PEP.");
                    changed = true;
                }
                // Validate signedPreKeyRecord + ID
                SignedPreKeyRecord signedPreKeyRecord;
                int numSignedPreKeys = axolotlStore.loadSignedPreKeys().size();
                try {
                    signedPreKeyRecord = axolotlStore.loadSignedPreKey(bundle.getSignedPreKeyId());
                    if (flush || !bundle.getSignedPreKey().equals(signedPreKeyRecord.getKeyPair().getPublicKey()) || !Arrays.equals(bundle.getSignedPreKeySignature(), signedPreKeyRecord.getSignature())) {
                        Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding new signedPreKey with ID " + (numSignedPreKeys + 1) + " to PEP.");
                        signedPreKeyRecord = KeyHelper.generateSignedPreKey(identityKeyPair, numSignedPreKeys + 1);
                        axolotlStore.storeSignedPreKey(signedPreKeyRecord.getId(), signedPreKeyRecord);
                        changed = true;
                    }
                } catch (InvalidKeyIdException e) {
                    Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding new signedPreKey with ID " + (numSignedPreKeys + 1) + " to PEP.");
                    signedPreKeyRecord = KeyHelper.generateSignedPreKey(identityKeyPair, numSignedPreKeys + 1);
                    axolotlStore.storeSignedPreKey(signedPreKeyRecord.getId(), signedPreKeyRecord);
                    changed = true;
                }
                // Validate PreKeys
                Set<PreKeyRecord> preKeyRecords = new HashSet<>();
                if (keys != null) {
                    for (Integer id : keys.keySet()) {
                        try {
                            PreKeyRecord preKeyRecord = axolotlStore.loadPreKey(id);
                            if (preKeyRecord.getKeyPair().getPublicKey().equals(keys.get(id))) {
                                preKeyRecords.add(preKeyRecord);
                            }
                        } catch (InvalidKeyIdException ignored) {
                        }
                    }
                }
                int newKeys = NUM_KEYS_TO_PUBLISH - preKeyRecords.size();
                if (newKeys > 0) {
                    List<PreKeyRecord> newRecords = KeyHelper.generatePreKeys(axolotlStore.getCurrentPreKeyId() + 1, newKeys);
                    preKeyRecords.addAll(newRecords);
                    for (PreKeyRecord record : newRecords) {
                        axolotlStore.storePreKey(record.getId(), record);
                    }
                    changed = true;
                    Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding " + newKeys + " new preKeys to PEP.");
                }
                if (changed) {
                    if (account.getPrivateKeyAlias() != null && Config.X509_VERIFICATION) {
                        mXmppConnectionService.publishDisplayName(account);
                        publishDeviceVerificationAndBundle(signedPreKeyRecord, preKeyRecords, announce, wipe);
                    } else {
                        publishDeviceBundle(signedPreKeyRecord, preKeyRecords, announce, wipe);
                    }
                } else {
                    Log.d(Config.LOGTAG, getLogprefix(account) + "Bundle " + getOwnDeviceId() + " in PEP was current");
                    if (wipe) {
                        wipeOtherPepDevices();
                    } else if (announce) {
                        Log.d(Config.LOGTAG, getLogprefix(account) + "Announcing device " + getOwnDeviceId());
                        publishOwnDeviceIdIfNeeded();
                    }
                }
            } catch (InvalidKeyException e) {
                Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Failed to publish bundle " + getOwnDeviceId() + ", reason: " + e.getMessage());
            }
        }
    });
}