use of org.jivesoftware.smackx.pubsub.PubSubException.NotALeafNodeException in project Smack by igniterealtime.
the class OmemoService method onOmemoMessageStanzaReceived.
@Override
public void onOmemoMessageStanzaReceived(Stanza stanza, OmemoManager.LoggedInOmemoManager managerGuard) throws IOException {
OmemoManager manager = managerGuard.get();
// Avoid the ratchet being manipulated and the bundle being published multiple times simultaneously
synchronized (manager) {
OmemoDevice userDevice = manager.getOwnDevice();
OmemoElement element = (OmemoElement) stanza.getExtensionElement(OmemoElement.NAME_ENCRYPTED, OmemoElement_VAxolotl.NAMESPACE);
if (element == null) {
return;
}
OmemoMessage.Received decrypted;
BareJid sender;
try {
MultiUserChat muc = getMuc(manager.getConnection(), stanza.getFrom());
if (muc != null) {
Occupant occupant = muc.getOccupant(stanza.getFrom().asEntityFullJidIfPossible());
if (occupant == null) {
LOGGER.log(Level.WARNING, "Cannot decrypt OMEMO MUC message; MUC Occupant is null.");
return;
}
Jid occupantJid = occupant.getJid();
if (occupantJid == null) {
LOGGER.log(Level.WARNING, "Cannot decrypt OMEMO MUC message; Senders Jid is null. " + stanza.getFrom());
return;
}
sender = occupantJid.asBareJid();
// try is for this
decrypted = decryptMessage(managerGuard, sender, element);
manager.notifyOmemoMucMessageReceived(muc, stanza, decrypted);
} else {
sender = stanza.getFrom().asBareJid();
// and this
decrypted = decryptMessage(managerGuard, sender, element);
manager.notifyOmemoMessageReceived(stanza, decrypted);
}
if (decrypted.isPreKeyMessage() && OmemoConfiguration.getCompleteSessionWithEmptyMessage()) {
LOGGER.log(Level.FINE, "Received a preKeyMessage from " + decrypted.getSenderDevice() + ".\n" + "Complete the session by sending an empty response message.");
try {
sendRatchetUpdate(managerGuard, decrypted.getSenderDevice());
} catch (CannotEstablishOmemoSessionException e) {
throw new AssertionError("Since we successfully received a message, we MUST be able to " + "establish a session. " + e);
} catch (NoSuchAlgorithmException | InterruptedException | SmackException.NotConnectedException | SmackException.NoResponseException e) {
LOGGER.log(Level.WARNING, "Cannot send a ratchet update message.", e);
}
}
} catch (NoRawSessionException e) {
OmemoDevice device = e.getDeviceWithoutSession();
LOGGER.log(Level.WARNING, "No raw session found for contact " + device + ". ", e);
if (OmemoConfiguration.getRepairBrokenSessionsWithPreKeyMessages()) {
repairBrokenSessionWithPreKeyMessage(managerGuard, device);
}
} catch (CorruptedOmemoKeyException | CryptoFailedException e) {
LOGGER.log(Level.WARNING, "Could not decrypt incoming message: ", e);
}
// Upload fresh bundle.
if (getOmemoStoreBackend().loadOmemoPreKeys(userDevice).size() < OmemoConstants.PRE_KEY_COUNT_PER_BUNDLE) {
LOGGER.log(Level.FINE, "We used up a preKey. Upload a fresh bundle.");
try {
getOmemoStoreBackend().replenishKeys(userDevice);
OmemoBundleElement bundleElement = getOmemoStoreBackend().packOmemoBundle(userDevice);
publishBundle(manager.getConnection(), userDevice, bundleElement);
} catch (CorruptedOmemoKeyException | InterruptedException | SmackException.NoResponseException | SmackException.NotConnectedException | XMPPException.XMPPErrorException | NotALeafNodeException e) {
LOGGER.log(Level.WARNING, "Could not republish replenished bundle.", e);
}
}
}
}
use of org.jivesoftware.smackx.pubsub.PubSubException.NotALeafNodeException in project Smack by igniterealtime.
the class OmemoService method onOmemoCarbonCopyReceived.
@Override
public void onOmemoCarbonCopyReceived(CarbonExtension.Direction direction, Message carbonCopy, Message wrappingMessage, OmemoManager.LoggedInOmemoManager managerGuard) throws IOException {
OmemoManager manager = managerGuard.get();
// Avoid the ratchet being manipulated and the bundle being published multiple times simultaneously
synchronized (manager) {
OmemoDevice userDevice = manager.getOwnDevice();
OmemoElement element = (OmemoElement) carbonCopy.getExtensionElement(OmemoElement.NAME_ENCRYPTED, OmemoElement_VAxolotl.NAMESPACE);
if (element == null) {
return;
}
OmemoMessage.Received decrypted;
BareJid sender = carbonCopy.getFrom().asBareJid();
try {
decrypted = decryptMessage(managerGuard, sender, element);
manager.notifyOmemoCarbonCopyReceived(direction, carbonCopy, wrappingMessage, decrypted);
if (decrypted.isPreKeyMessage() && OmemoConfiguration.getCompleteSessionWithEmptyMessage()) {
LOGGER.log(Level.FINE, "Received a preKeyMessage in a carbon copy from " + decrypted.getSenderDevice() + ".\n" + "Complete the session by sending an empty response message.");
try {
sendRatchetUpdate(managerGuard, decrypted.getSenderDevice());
} catch (CannotEstablishOmemoSessionException e) {
throw new AssertionError("Since we successfully received a message, we MUST be able to " + "establish a session. " + e);
} catch (NoSuchAlgorithmException | InterruptedException | SmackException.NotConnectedException | SmackException.NoResponseException e) {
LOGGER.log(Level.WARNING, "Cannot send a ratchet update message.", e);
}
}
} catch (NoRawSessionException e) {
OmemoDevice device = e.getDeviceWithoutSession();
LOGGER.log(Level.WARNING, "No raw session found for contact " + device + ". ", e);
if (OmemoConfiguration.getRepairBrokenSessionsWithPreKeyMessages()) {
repairBrokenSessionWithPreKeyMessage(managerGuard, device);
}
} catch (CorruptedOmemoKeyException | CryptoFailedException e) {
LOGGER.log(Level.WARNING, "Could not decrypt incoming carbon copy: ", e);
}
// Upload fresh bundle.
if (getOmemoStoreBackend().loadOmemoPreKeys(userDevice).size() < OmemoConstants.PRE_KEY_COUNT_PER_BUNDLE) {
LOGGER.log(Level.FINE, "We used up a preKey. Upload a fresh bundle.");
try {
getOmemoStoreBackend().replenishKeys(userDevice);
OmemoBundleElement bundleElement = getOmemoStoreBackend().packOmemoBundle(userDevice);
publishBundle(manager.getConnection(), userDevice, bundleElement);
} catch (CorruptedOmemoKeyException | InterruptedException | SmackException.NoResponseException | SmackException.NotConnectedException | XMPPException.XMPPErrorException | NotALeafNodeException e) {
LOGGER.log(Level.WARNING, "Could not republish replenished bundle.", e);
}
}
}
}
use of org.jivesoftware.smackx.pubsub.PubSubException.NotALeafNodeException in project Smack by igniterealtime.
the class PainlessOpenPgpProvider method decryptAndOrVerify.
@Override
public OpenPgpMessage decryptAndOrVerify(XMPPConnection connection, OpenPgpElement element, final OpenPgpSelf self, final OpenPgpContact sender) throws IOException, PGPException {
ByteArrayOutputStream plainText = new ByteArrayOutputStream();
InputStream cipherText = element.toInputStream();
PGPPublicKeyRingCollection announcedPublicKeys = sender.getAnnouncedPublicKeys();
if (announcedPublicKeys == null) {
try {
sender.updateKeys(connection);
announcedPublicKeys = sender.getAnnouncedPublicKeys();
} catch (InterruptedException | NotALeafNodeException | NotAPubSubNodeException | NotConnectedException | NoResponseException | XMPPErrorException e) {
throw new PGPException("Abort decryption due to lack of keys", e);
}
}
MissingPublicKeyCallback missingPublicKeyCallback = new MissingPublicKeyCallback() {
@Override
public PGPPublicKeyRing onMissingPublicKeyEncountered(Long keyId) {
try {
sender.updateKeys(connection);
PGPPublicKeyRingCollection anyKeys = sender.getAnyPublicKeys();
for (PGPPublicKeyRing ring : anyKeys) {
if (ring.getPublicKey(keyId) != null) {
return ring;
}
}
return null;
} catch (InterruptedException | NotALeafNodeException | NotAPubSubNodeException | NotConnectedException | NoResponseException | XMPPErrorException | IOException | PGPException e) {
LOGGER.log(Level.WARNING, "Cannot fetch missing key " + keyId, e);
return null;
}
}
};
DecryptionStream cipherStream = PGPainless.decryptAndOrVerify().onInputStream(cipherText).withOptions(new ConsumerOptions().addDecryptionKeys(self.getSecretKeys(), getStore().getKeyRingProtector()).addVerificationCerts(announcedPublicKeys).setMissingCertificateCallback(missingPublicKeyCallback));
Streams.pipeAll(cipherStream, plainText);
cipherText.close();
cipherStream.close();
plainText.close();
OpenPgpMetadata info = cipherStream.getResult();
OpenPgpMessage.State state;
if (info.isSigned()) {
if (info.isEncrypted()) {
state = OpenPgpMessage.State.signcrypt;
} else {
state = OpenPgpMessage.State.sign;
}
} else if (info.isEncrypted()) {
state = OpenPgpMessage.State.crypt;
} else {
throw new PGPException("Received message appears to be neither encrypted, nor signed.");
}
return new OpenPgpMessage(plainText.toByteArray(), state, info);
}
use of org.jivesoftware.smackx.pubsub.PubSubException.NotALeafNodeException in project Smack by igniterealtime.
the class OmemoService method decryptStanza.
/**
* Decrypt the OmemoElement inside the given Stanza and return it.
* Return null if something goes wrong.
*
* @param stanza stanza
* @param managerGuard authenticated OmemoManager
* @return decrypted OmemoMessage or null
*
* @throws IOException if an I/O error occurred.
*/
OmemoMessage.Received decryptStanza(Stanza stanza, OmemoManager.LoggedInOmemoManager managerGuard) throws IOException {
OmemoManager manager = managerGuard.get();
// Avoid the ratchet being manipulated and the bundle being published multiple times simultaneously
synchronized (manager) {
OmemoDevice userDevice = manager.getOwnDevice();
OmemoElement element = (OmemoElement) stanza.getExtensionElement(OmemoElement.NAME_ENCRYPTED, OmemoElement_VAxolotl.NAMESPACE);
if (element == null) {
return null;
}
OmemoMessage.Received decrypted = null;
BareJid sender;
try {
MultiUserChat muc = getMuc(manager.getConnection(), stanza.getFrom());
if (muc != null) {
Occupant occupant = muc.getOccupant(stanza.getFrom().asEntityFullJidIfPossible());
Jid occupantJid = occupant.getJid();
if (occupantJid == null) {
LOGGER.log(Level.WARNING, "MUC message received, but there is no way to retrieve the senders Jid. " + stanza.getFrom());
return null;
}
sender = occupantJid.asBareJid();
// try is for this
decrypted = decryptMessage(managerGuard, sender, element);
} else {
sender = stanza.getFrom().asBareJid();
// and this
decrypted = decryptMessage(managerGuard, sender, element);
}
if (decrypted.isPreKeyMessage() && OmemoConfiguration.getCompleteSessionWithEmptyMessage()) {
LOGGER.log(Level.FINE, "Received a preKeyMessage from " + decrypted.getSenderDevice() + ".\n" + "Complete the session by sending an empty response message.");
try {
sendRatchetUpdate(managerGuard, decrypted.getSenderDevice());
} catch (CannotEstablishOmemoSessionException e) {
throw new AssertionError("Since we successfully received a message, we MUST be able to " + "establish a session. " + e);
} catch (NoSuchAlgorithmException | InterruptedException | SmackException.NotConnectedException | SmackException.NoResponseException e) {
LOGGER.log(Level.WARNING, "Cannot send a ratchet update message.", e);
}
}
} catch (NoRawSessionException e) {
OmemoDevice device = e.getDeviceWithoutSession();
LOGGER.log(Level.WARNING, "No raw session found for contact " + device + ". ", e);
} catch (CorruptedOmemoKeyException | CryptoFailedException e) {
LOGGER.log(Level.WARNING, "Could not decrypt incoming message: ", e);
}
// Upload fresh bundle.
if (getOmemoStoreBackend().loadOmemoPreKeys(userDevice).size() < OmemoConstants.PRE_KEY_COUNT_PER_BUNDLE) {
LOGGER.log(Level.FINE, "We used up a preKey. Upload a fresh bundle.");
try {
getOmemoStoreBackend().replenishKeys(userDevice);
OmemoBundleElement bundleElement = getOmemoStoreBackend().packOmemoBundle(userDevice);
publishBundle(manager.getConnection(), userDevice, bundleElement);
} catch (CorruptedOmemoKeyException | InterruptedException | SmackException.NoResponseException | SmackException.NotConnectedException | XMPPException.XMPPErrorException | NotALeafNodeException e) {
LOGGER.log(Level.WARNING, "Could not republish replenished bundle.", e);
}
}
return decrypted;
}
}
Aggregations