diff options
26 files changed, 2358 insertions, 103 deletions
diff --git a/build.gradle b/build.gradle index e93f3946..a5f98720 100644 --- a/build.gradle +++ b/build.gradle @@ -36,6 +36,7 @@ dependencies { compile 'de.measite.minidns:minidns:0.1.3' compile 'de.timroes.android:EnhancedListView:0.3.4' compile 'me.leolin:ShortcutBadger:1.1.1@aar' + compile 'org.whispersystems:axolotl-android:1.3.4' } android { diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java new file mode 100644 index 00000000..ef7c523d --- /dev/null +++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java @@ -0,0 +1,1023 @@ +package eu.siacs.conversations.crypto.axolotl; + +import android.support.annotation.NonNull; +import android.support.annotation.Nullable; +import android.util.Base64; +import android.util.Log; + +import org.whispersystems.libaxolotl.AxolotlAddress; +import org.whispersystems.libaxolotl.DuplicateMessageException; +import org.whispersystems.libaxolotl.IdentityKey; +import org.whispersystems.libaxolotl.IdentityKeyPair; +import org.whispersystems.libaxolotl.InvalidKeyException; +import org.whispersystems.libaxolotl.InvalidKeyIdException; +import org.whispersystems.libaxolotl.InvalidMessageException; +import org.whispersystems.libaxolotl.InvalidVersionException; +import org.whispersystems.libaxolotl.LegacyMessageException; +import org.whispersystems.libaxolotl.NoSessionException; +import org.whispersystems.libaxolotl.SessionBuilder; +import org.whispersystems.libaxolotl.SessionCipher; +import org.whispersystems.libaxolotl.UntrustedIdentityException; +import org.whispersystems.libaxolotl.ecc.Curve; +import org.whispersystems.libaxolotl.ecc.ECKeyPair; +import org.whispersystems.libaxolotl.ecc.ECPublicKey; +import org.whispersystems.libaxolotl.protocol.CiphertextMessage; +import org.whispersystems.libaxolotl.protocol.PreKeyWhisperMessage; +import org.whispersystems.libaxolotl.protocol.WhisperMessage; +import org.whispersystems.libaxolotl.state.AxolotlStore; +import org.whispersystems.libaxolotl.state.PreKeyBundle; +import org.whispersystems.libaxolotl.state.PreKeyRecord; +import org.whispersystems.libaxolotl.state.SessionRecord; +import org.whispersystems.libaxolotl.state.SignedPreKeyRecord; +import org.whispersystems.libaxolotl.util.KeyHelper; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Random; +import java.util.Set; + +import eu.siacs.conversations.Config; +import eu.siacs.conversations.entities.Account; +import eu.siacs.conversations.entities.Contact; +import eu.siacs.conversations.entities.Conversation; +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.parser.IqParser; +import eu.siacs.conversations.services.XmppConnectionService; +import eu.siacs.conversations.utils.SerialSingleThreadExecutor; +import eu.siacs.conversations.xml.Element; +import eu.siacs.conversations.xmpp.OnIqPacketReceived; +import eu.siacs.conversations.xmpp.jid.InvalidJidException; +import eu.siacs.conversations.xmpp.jid.Jid; +import eu.siacs.conversations.xmpp.stanzas.IqPacket; +import eu.siacs.conversations.xmpp.stanzas.MessagePacket; + +public class AxolotlService { + + public static final String PEP_PREFIX = "eu.siacs.conversations.axolotl"; + public static final String PEP_DEVICE_LIST = PEP_PREFIX + ".devicelist"; + public static final String PEP_BUNDLES = PEP_PREFIX + ".bundles"; + + public static final String LOGPREFIX = "AxolotlService"; + + public static final int NUM_KEYS_TO_PUBLISH = 10; + + private final Account account; + private final XmppConnectionService mXmppConnectionService; + private final SQLiteAxolotlStore axolotlStore; + private final SessionMap sessions; + private final Map<Jid, Set<Integer>> deviceIds; + private final Map<String, MessagePacket> messageCache; + private final FetchStatusMap fetchStatusMap; + private final SerialSingleThreadExecutor executor; + private int ownDeviceId; + + public static class SQLiteAxolotlStore implements AxolotlStore { + + public static final String PREKEY_TABLENAME = "prekeys"; + public static final String SIGNED_PREKEY_TABLENAME = "signed_prekeys"; + public static final String SESSION_TABLENAME = "sessions"; + public static final String IDENTITIES_TABLENAME = "identities"; + public static final String ACCOUNT = "account"; + public static final String DEVICE_ID = "device_id"; + public static final String ID = "id"; + public static final String KEY = "key"; + public static final String NAME = "name"; + public static final String TRUSTED = "trusted"; + public static final String OWN = "ownkey"; + + public static final String JSONKEY_REGISTRATION_ID = "axolotl_reg_id"; + public static final String JSONKEY_CURRENT_PREKEY_ID = "axolotl_cur_prekey_id"; + + private final Account account; + private final XmppConnectionService mXmppConnectionService; + + private IdentityKeyPair identityKeyPair; + private final int localRegistrationId; + private int currentPreKeyId = 0; + + + private static IdentityKeyPair generateIdentityKeyPair() { + Log.i(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Generating axolotl IdentityKeyPair..."); + ECKeyPair identityKeyPairKeys = Curve.generateKeyPair(); + IdentityKeyPair ownKey = new IdentityKeyPair(new IdentityKey(identityKeyPairKeys.getPublicKey()), + identityKeyPairKeys.getPrivateKey()); + return ownKey; + } + + private static int generateRegistrationId() { + Log.i(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Generating axolotl registration ID..."); + int reg_id = KeyHelper.generateRegistrationId(true); + return reg_id; + } + + public SQLiteAxolotlStore(Account account, XmppConnectionService service) { + this.account = account; + this.mXmppConnectionService = service; + this.localRegistrationId = loadRegistrationId(); + this.currentPreKeyId = loadCurrentPreKeyId(); + for (SignedPreKeyRecord record : loadSignedPreKeys()) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Got Axolotl signed prekey record:" + record.getId()); + } + } + + public int getCurrentPreKeyId() { + return currentPreKeyId; + } + + // -------------------------------------- + // IdentityKeyStore + // -------------------------------------- + + private IdentityKeyPair loadIdentityKeyPair() { + String ownName = account.getJid().toBareJid().toString(); + IdentityKeyPair ownKey = mXmppConnectionService.databaseBackend.loadOwnIdentityKeyPair(account, + ownName); + + if (ownKey != null) { + return ownKey; + } else { + Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Could not retrieve axolotl key for account " + ownName); + ownKey = generateIdentityKeyPair(); + mXmppConnectionService.databaseBackend.storeOwnIdentityKeyPair(account, ownName, ownKey); + } + return ownKey; + } + + private int loadRegistrationId() { + String regIdString = this.account.getKey(JSONKEY_REGISTRATION_ID); + int reg_id; + if (regIdString != null) { + reg_id = Integer.valueOf(regIdString); + } else { + Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Could not retrieve axolotl registration id for account " + account.getJid()); + reg_id = generateRegistrationId(); + boolean success = this.account.setKey(JSONKEY_REGISTRATION_ID, Integer.toString(reg_id)); + if (success) { + mXmppConnectionService.databaseBackend.updateAccount(account); + } else { + Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Failed to write new key to the database!"); + } + } + return reg_id; + } + + private int loadCurrentPreKeyId() { + String regIdString = this.account.getKey(JSONKEY_CURRENT_PREKEY_ID); + int reg_id; + if (regIdString != null) { + reg_id = Integer.valueOf(regIdString); + } else { + Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Could not retrieve current prekey id for account " + account.getJid()); + reg_id = 0; + } + return reg_id; + } + + public void regenerate() { + mXmppConnectionService.databaseBackend.wipeAxolotlDb(account); + account.setKey(JSONKEY_CURRENT_PREKEY_ID, Integer.toString(0)); + identityKeyPair = loadIdentityKeyPair(); + currentPreKeyId = 0; + mXmppConnectionService.updateAccountUi(); + } + + /** + * Get the local client's identity key pair. + * + * @return The local client's persistent identity key pair. + */ + @Override + public IdentityKeyPair getIdentityKeyPair() { + if(identityKeyPair == null) { + identityKeyPair = loadIdentityKeyPair(); + } + return identityKeyPair; + } + + /** + * Return the local client's registration ID. + * <p/> + * Clients should maintain a registration ID, a random number + * between 1 and 16380 that's generated once at install time. + * + * @return the local client's registration ID. + */ + @Override + public int getLocalRegistrationId() { + return localRegistrationId; + } + + /** + * Save a remote client's identity key + * <p/> + * Store a remote client's identity key as trusted. + * + * @param name The name of the remote client. + * @param identityKey The remote client's identity key. + */ + @Override + public void saveIdentity(String name, IdentityKey identityKey) { + if(!mXmppConnectionService.databaseBackend.loadIdentityKeys(account, name).contains(identityKey)) { + mXmppConnectionService.databaseBackend.storeIdentityKey(account, name, identityKey); + } + } + + /** + * Verify a remote client's identity key. + * <p/> + * Determine whether a remote client's identity is trusted. Convention is + * that the TextSecure protocol is 'trust on first use.' This means that + * an identity key is considered 'trusted' if there is no entry for the recipient + * in the local store, or if it matches the saved key for a recipient in the local + * store. Only if it mismatches an entry in the local store is it considered + * 'untrusted.' + * + * @param name The name of the remote client. + * @param identityKey The identity key to verify. + * @return true if trusted, false if untrusted. + */ + @Override + public boolean isTrustedIdentity(String name, IdentityKey identityKey) { + //Set<IdentityKey> trustedKeys = mXmppConnectionService.databaseBackend.loadIdentityKeys(account, name); + //return trustedKeys.isEmpty() || trustedKeys.contains(identityKey); + return true; + } + + // -------------------------------------- + // SessionStore + // -------------------------------------- + + /** + * Returns a copy of the {@link SessionRecord} corresponding to the recipientId + deviceId tuple, + * or a new SessionRecord if one does not currently exist. + * <p/> + * It is important that implementations return a copy of the current durable information. The + * returned SessionRecord may be modified, but those changes should not have an effect on the + * durable session state (what is returned by subsequent calls to this method) without the + * store method being called here first. + * + * @param address The name and device ID of the remote client. + * @return a copy of the SessionRecord corresponding to the recipientId + deviceId tuple, or + * a new SessionRecord if one does not currently exist. + */ + @Override + public SessionRecord loadSession(AxolotlAddress address) { + SessionRecord session = mXmppConnectionService.databaseBackend.loadSession(this.account, address); + return (session != null) ? session : new SessionRecord(); + } + + /** + * Returns all known devices with active sessions for a recipient + * + * @param name the name of the client. + * @return all known sub-devices with active sessions. + */ + @Override + public List<Integer> getSubDeviceSessions(String name) { + return mXmppConnectionService.databaseBackend.getSubDeviceSessions(account, + new AxolotlAddress(name, 0)); + } + + /** + * Commit to storage the {@link SessionRecord} for a given recipientId + deviceId tuple. + * + * @param address the address of the remote client. + * @param record the current SessionRecord for the remote client. + */ + @Override + public void storeSession(AxolotlAddress address, SessionRecord record) { + mXmppConnectionService.databaseBackend.storeSession(account, address, record); + } + + /** + * Determine whether there is a committed {@link SessionRecord} for a recipientId + deviceId tuple. + * + * @param address the address of the remote client. + * @return true if a {@link SessionRecord} exists, false otherwise. + */ + @Override + public boolean containsSession(AxolotlAddress address) { + return mXmppConnectionService.databaseBackend.containsSession(account, address); + } + + /** + * Remove a {@link SessionRecord} for a recipientId + deviceId tuple. + * + * @param address the address of the remote client. + */ + @Override + public void deleteSession(AxolotlAddress address) { + mXmppConnectionService.databaseBackend.deleteSession(account, address); + } + + /** + * Remove the {@link SessionRecord}s corresponding to all devices of a recipientId. + * + * @param name the name of the remote client. + */ + @Override + public void deleteAllSessions(String name) { + mXmppConnectionService.databaseBackend.deleteAllSessions(account, + new AxolotlAddress(name, 0)); + } + + public boolean isTrustedSession(AxolotlAddress address) { + return mXmppConnectionService.databaseBackend.isTrustedSession(this.account, address); + } + + public void setTrustedSession(AxolotlAddress address, boolean trusted) { + mXmppConnectionService.databaseBackend.setTrustedSession(this.account, address, trusted); + } + + // -------------------------------------- + // PreKeyStore + // -------------------------------------- + + /** + * Load a local PreKeyRecord. + * + * @param preKeyId the ID of the local PreKeyRecord. + * @return the corresponding PreKeyRecord. + * @throws InvalidKeyIdException when there is no corresponding PreKeyRecord. + */ + @Override + public PreKeyRecord loadPreKey(int preKeyId) throws InvalidKeyIdException { + PreKeyRecord record = mXmppConnectionService.databaseBackend.loadPreKey(account, preKeyId); + if (record == null) { + throw new InvalidKeyIdException("No such PreKeyRecord: " + preKeyId); + } + return record; + } + + /** + * Store a local PreKeyRecord. + * + * @param preKeyId the ID of the PreKeyRecord to store. + * @param record the PreKeyRecord. + */ + @Override + public void storePreKey(int preKeyId, PreKeyRecord record) { + mXmppConnectionService.databaseBackend.storePreKey(account, record); + currentPreKeyId = preKeyId; + boolean success = this.account.setKey(JSONKEY_CURRENT_PREKEY_ID, Integer.toString(preKeyId)); + if (success) { + mXmppConnectionService.databaseBackend.updateAccount(account); + } else { + Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Failed to write new prekey id to the database!"); + } + } + + /** + * @param preKeyId A PreKeyRecord ID. + * @return true if the store has a record for the preKeyId, otherwise false. + */ + @Override + public boolean containsPreKey(int preKeyId) { + return mXmppConnectionService.databaseBackend.containsPreKey(account, preKeyId); + } + + /** + * Delete a PreKeyRecord from local storage. + * + * @param preKeyId The ID of the PreKeyRecord to remove. + */ + @Override + public void removePreKey(int preKeyId) { + mXmppConnectionService.databaseBackend.deletePreKey(account, preKeyId); + } + + // -------------------------------------- + // SignedPreKeyStore + // -------------------------------------- + + /** + * Load a local SignedPreKeyRecord. + * + * @param signedPreKeyId the ID of the local SignedPreKeyRecord. + * @return the corresponding SignedPreKeyRecord. + * @throws InvalidKeyIdException when there is no corresponding SignedPreKeyRecord. + */ + @Override + public SignedPreKeyRecord loadSignedPreKey(int signedPreKeyId) throws InvalidKeyIdException { + SignedPreKeyRecord record = mXmppConnectionService.databaseBackend.loadSignedPreKey(account, signedPreKeyId); + if (record == null) { + throw new InvalidKeyIdException("No such SignedPreKeyRecord: " + signedPreKeyId); + } + return record; + } + + /** + * Load all local SignedPreKeyRecords. + * + * @return All stored SignedPreKeyRecords. + */ + @Override + public List<SignedPreKeyRecord> loadSignedPreKeys() { + return mXmppConnectionService.databaseBackend.loadSignedPreKeys(account); + } + + /** + * Store a local SignedPreKeyRecord. + * + * @param signedPreKeyId the ID of the SignedPreKeyRecord to store. + * @param record the SignedPreKeyRecord. + */ + @Override + public void storeSignedPreKey(int signedPreKeyId, SignedPreKeyRecord record) { + mXmppConnectionService.databaseBackend.storeSignedPreKey(account, record); + } + + /** + * @param signedPreKeyId A SignedPreKeyRecord ID. + * @return true if the store has a record for the signedPreKeyId, otherwise false. + */ + @Override + public boolean containsSignedPreKey(int signedPreKeyId) { + return mXmppConnectionService.databaseBackend.containsSignedPreKey(account, signedPreKeyId); + } + + /** + * Delete a SignedPreKeyRecord from local storage. + * + * @param signedPreKeyId The ID of the SignedPreKeyRecord to remove. + */ + @Override + public void removeSignedPreKey(int signedPreKeyId) { + mXmppConnectionService.databaseBackend.deleteSignedPreKey(account, signedPreKeyId); + } + } + + public static class XmppAxolotlSession { + private final SessionCipher cipher; + private boolean isTrusted = false; + private Integer preKeyId = null; + private final SQLiteAxolotlStore sqLiteAxolotlStore; + private final AxolotlAddress remoteAddress; + private final Account account; + + public XmppAxolotlSession(Account account, SQLiteAxolotlStore store, AxolotlAddress remoteAddress) { + this.cipher = new SessionCipher(store, remoteAddress); + this.remoteAddress = remoteAddress; + this.sqLiteAxolotlStore = store; + this.account = account; + this.isTrusted = sqLiteAxolotlStore.isTrustedSession(remoteAddress); + } + + public void trust() { + sqLiteAxolotlStore.setTrustedSession(remoteAddress, true); + this.isTrusted = true; + } + + public boolean isTrusted() { + return this.isTrusted; + } + + public Integer getPreKeyId() { + return preKeyId; + } + + public void resetPreKeyId() { + preKeyId = null; + } + + public byte[] processReceiving(XmppAxolotlMessage.XmppAxolotlMessageHeader incomingHeader) { + byte[] plaintext = null; + try { + try { + PreKeyWhisperMessage message = new PreKeyWhisperMessage(incomingHeader.getContents()); + Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account)+"PreKeyWhisperMessage received, new session ID:" + message.getSignedPreKeyId() + "/" + message.getPreKeyId()); + plaintext = cipher.decrypt(message); + if (message.getPreKeyId().isPresent()) { + preKeyId = message.getPreKeyId().get(); + } + } catch (InvalidMessageException | InvalidVersionException e) { + Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account)+"WhisperMessage received"); + WhisperMessage message = new WhisperMessage(incomingHeader.getContents()); + plaintext = cipher.decrypt(message); + } catch (InvalidKeyException | InvalidKeyIdException | UntrustedIdentityException e) { + Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Error decrypting axolotl header, "+e.getClass().getName()+": " + e.getMessage()); + } + } catch (LegacyMessageException | InvalidMessageException | DuplicateMessageException | NoSessionException e) { + Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Error decrypting axolotl header, "+e.getClass().getName()+": " + e.getMessage()); + } + return plaintext; + } + + public XmppAxolotlMessage.XmppAxolotlMessageHeader processSending(byte[] outgoingMessage) { + CiphertextMessage ciphertextMessage = cipher.encrypt(outgoingMessage); + XmppAxolotlMessage.XmppAxolotlMessageHeader header = + new XmppAxolotlMessage.XmppAxolotlMessageHeader(remoteAddress.getDeviceId(), + ciphertextMessage.serialize()); + return header; + } + } + + private static class AxolotlAddressMap<T> { + protected Map<String, Map<Integer, T>> map; + protected final Object MAP_LOCK = new Object(); + + public AxolotlAddressMap() { + this.map = new HashMap<>(); + } + + public void put(AxolotlAddress address, T value) { + synchronized (MAP_LOCK) { + Map<Integer, T> devices = map.get(address.getName()); + if (devices == null) { + devices = new HashMap<>(); + map.put(address.getName(), devices); + } + devices.put(address.getDeviceId(), value); + } + } + + public T get(AxolotlAddress address) { + synchronized (MAP_LOCK) { + Map<Integer, T> devices = map.get(address.getName()); + if (devices == null) { + return null; + } + return devices.get(address.getDeviceId()); + } + } + + public Map<Integer, T> getAll(AxolotlAddress address) { + synchronized (MAP_LOCK) { + Map<Integer, T> devices = map.get(address.getName()); + if (devices == null) { + return new HashMap<>(); + } + return devices; + } + } + + public boolean hasAny(AxolotlAddress address) { + synchronized (MAP_LOCK) { + Map<Integer, T> devices = map.get(address.getName()); + return devices != null && !devices.isEmpty(); + } + } + + + } + + private static class SessionMap extends AxolotlAddressMap<XmppAxolotlSession> { + + public SessionMap(SQLiteAxolotlStore store, Account account) { + super(); + this.fillMap(store, account); + } + + private void fillMap(SQLiteAxolotlStore store, Account account) { + for (Contact contact : account.getRoster().getContacts()) { + Jid bareJid = contact.getJid().toBareJid(); + if (bareJid == null) { + continue; // FIXME: handle this? + } + String address = bareJid.toString(); + List<Integer> deviceIDs = store.getSubDeviceSessions(address); + for (Integer deviceId : deviceIDs) { + AxolotlAddress axolotlAddress = new AxolotlAddress(address, deviceId); + this.put(axolotlAddress, new XmppAxolotlSession(account, store, axolotlAddress)); + } + } + } + + } + + private static enum FetchStatus { + PENDING, + SUCCESS, + ERROR + } + + private static class FetchStatusMap extends AxolotlAddressMap<FetchStatus> { + + } + + public static String getLogprefix(Account account) { + return LOGPREFIX+" ("+account.getJid().toBareJid().toString()+"): "; + } + + public AxolotlService(Account account, XmppConnectionService connectionService) { + this.mXmppConnectionService = connectionService; + this.account = account; + this.axolotlStore = new SQLiteAxolotlStore(this.account, this.mXmppConnectionService); + this.deviceIds = new HashMap<>(); + this.messageCache = new HashMap<>(); + this.sessions = new SessionMap(axolotlStore, account); + this.fetchStatusMap = new FetchStatusMap(); + this.executor = new SerialSingleThreadExecutor(); + this.ownDeviceId = axolotlStore.getLocalRegistrationId(); + } + + public IdentityKey getOwnPublicKey() { + return axolotlStore.getIdentityKeyPair().getPublicKey(); + } + + public void trustSession(AxolotlAddress counterpart) { + XmppAxolotlSession session = sessions.get(counterpart); + if (session != null) { + session.trust(); + } + } + + public boolean isTrustedSession(AxolotlAddress counterpart) { + XmppAxolotlSession session = sessions.get(counterpart); + return session != null && session.isTrusted(); + } + + private AxolotlAddress getAddressForJid(Jid jid) { + return new AxolotlAddress(jid.toString(), 0); + } + + private Set<XmppAxolotlSession> findOwnSessions() { + AxolotlAddress ownAddress = getAddressForJid(account.getJid().toBareJid()); + Set<XmppAxolotlSession> ownDeviceSessions = new HashSet<>(this.sessions.getAll(ownAddress).values()); + return ownDeviceSessions; + } + + private Set<XmppAxolotlSession> findSessionsforContact(Contact contact) { + AxolotlAddress contactAddress = getAddressForJid(contact.getJid()); + Set<XmppAxolotlSession> sessions = new HashSet<>(this.sessions.getAll(contactAddress).values()); + return sessions; + } + + private boolean hasAny(Contact contact) { + AxolotlAddress contactAddress = getAddressForJid(contact.getJid()); + return sessions.hasAny(contactAddress); + } + + public void regenerateKeys() { + axolotlStore.regenerate(); + publishBundlesIfNeeded(); + } + + public int getOwnDeviceId() { + return ownDeviceId; + } + + public Set<Integer> getOwnDeviceIds() { + return this.deviceIds.get(account.getJid().toBareJid()); + } + + public void registerDevices(final Jid jid, @NonNull final Set<Integer> deviceIds) { + if(deviceIds.contains(getOwnDeviceId())) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Skipping own Device ID:"+ jid + ":"+getOwnDeviceId()); + deviceIds.remove(getOwnDeviceId()); + } + for(Integer i:deviceIds) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Adding Device ID:"+ jid + ":"+i); + } + this.deviceIds.put(jid, deviceIds); + publishOwnDeviceIdIfNeeded(); + } + + public void wipeOtherPepDevices() { + Set<Integer> deviceIds = new HashSet<>(); + deviceIds.add(getOwnDeviceId()); + IqPacket publish = mXmppConnectionService.getIqGenerator().publishDeviceIds(deviceIds); + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Wiping all other devices from Pep:" + publish); + mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + // TODO: implement this! + } + }); + } + + public void publishOwnDeviceIdIfNeeded() { + IqPacket packet = mXmppConnectionService.getIqGenerator().retrieveDeviceIds(account.getJid().toBareJid()); + mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + Element item = mXmppConnectionService.getIqParser().getItem(packet); + Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item); + if (deviceIds == null) { + deviceIds = new HashSet<Integer>(); + } + if (!deviceIds.contains(getOwnDeviceId())) { + deviceIds.add(getOwnDeviceId()); + IqPacket publish = mXmppConnectionService.getIqGenerator().publishDeviceIds(deviceIds); + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Own device " + getOwnDeviceId() + " not in PEP devicelist. Publishing: " + publish); + mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + // TODO: implement this! + } + }); + } + } + }); + } + + public void publishBundlesIfNeeded() { + IqPacket packet = mXmppConnectionService.getIqGenerator().retrieveBundlesForDevice(account.getJid().toBareJid(), ownDeviceId); + mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + 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) { + IqPacket publish = mXmppConnectionService.getIqGenerator().publishBundles( + signedPreKeyRecord, axolotlStore.getIdentityKeyPair().getPublicKey(), + preKeyRecords, ownDeviceId); + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+ ": Bundle " + getOwnDeviceId() + " in PEP not current. Publishing: " + publish); + mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + // TODO: implement this! + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Published bundle, got: " + packet); + } + }); + } + } catch (InvalidKeyException e) { + Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Failed to publish bundle " + getOwnDeviceId() + ", reason: " + e.getMessage()); + return; + } + } + }); + } + + public boolean isContactAxolotlCapable(Contact contact) { + Jid jid = contact.getJid().toBareJid(); + AxolotlAddress address = new AxolotlAddress(jid.toString(), 0); + return sessions.hasAny(address) || + ( deviceIds.containsKey(jid) && !deviceIds.get(jid).isEmpty()); + } + + private void buildSessionFromPEP(final Conversation conversation, final AxolotlAddress address) { + Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Building new sesstion for " + address.getDeviceId()); + + 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) { + 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); + 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); + return; + } + + final PreKeyBundle preKeyBundle = new PreKeyBundle(0, address.getDeviceId(), + preKey.getPreKeyId(), preKey.getPreKey(), + bundle.getSignedPreKeyId(), bundle.getSignedPreKey(), + bundle.getSignedPreKeySignature(), bundle.getIdentityKey()); + + axolotlStore.saveIdentity(address.getName(), bundle.getIdentityKey()); + + try { + SessionBuilder builder = new SessionBuilder(axolotlStore, address); + builder.process(preKeyBundle); + XmppAxolotlSession session = new XmppAxolotlSession(account, axolotlStore, address); + sessions.put(address, session); + fetchStatusMap.put(address, FetchStatus.SUCCESS); + } 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); + } + + AxolotlAddress ownAddress = new AxolotlAddress(conversation.getAccount().getJid().toBareJid().toString(),0); + AxolotlAddress foreignAddress = new AxolotlAddress(conversation.getJid().toBareJid().toString(),0); + if (!fetchStatusMap.getAll(ownAddress).containsValue(FetchStatus.PENDING) + && !fetchStatusMap.getAll(foreignAddress).containsValue(FetchStatus.PENDING)) { + conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_AXOLOTL, + new Conversation.OnMessageFound() { + @Override + public void onMessageFound(Message message) { + processSending(message); + } + }); + } + } + }); + } catch (InvalidJidException e) { + Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Got address with invalid jid: " + address.getName()); + } + } + + private boolean createSessionsIfNeeded(Conversation conversation) { + boolean newSessions = false; + Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Creating axolotl sessions if needed..."); + Jid contactJid = conversation.getContact().getJid().toBareJid(); + Set<AxolotlAddress> addresses = new HashSet<>(); + if(deviceIds.get(contactJid) != null) { + for(Integer foreignId:this.deviceIds.get(contactJid)) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Found device "+account.getJid().toBareJid()+":"+foreignId); + addresses.add(new AxolotlAddress(contactJid.toString(), foreignId)); + } + } else { + Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Have no target devices in PEP!"); + } + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Checking own account "+account.getJid().toBareJid()); + if(deviceIds.get(account.getJid().toBareJid()) != null) { + for(Integer ownId:this.deviceIds.get(account.getJid().toBareJid())) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Found device "+account.getJid().toBareJid()+":"+ownId); + addresses.add(new AxolotlAddress(account.getJid().toBareJid().toString(), ownId)); + } + } + for (AxolotlAddress address : addresses) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Processing device: " + address.toString()); + FetchStatus status = fetchStatusMap.get(address); + XmppAxolotlSession session = sessions.get(address); + if ( session == null && ( status == null || status == FetchStatus.ERROR) ) { + fetchStatusMap.put(address, FetchStatus.PENDING); + this.buildSessionFromPEP(conversation, address); + newSessions = true; + } else { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Already have session for " + address.toString()); + } + } + return newSessions; + } + + @Nullable + public XmppAxolotlMessage encrypt(Message message ){ + final XmppAxolotlMessage axolotlMessage = new XmppAxolotlMessage(message.getContact().getJid().toBareJid(), + ownDeviceId, message.getBody()); + + if(findSessionsforContact(message.getContact()).isEmpty()) { + return null; + } + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Building axolotl foreign headers..."); + for (XmppAxolotlSession session : findSessionsforContact(message.getContact())) { + Log.v(Config.LOGTAG, AxolotlService.getLogprefix(account)+session.remoteAddress.toString()); + //if(!session.isTrusted()) { + // TODO: handle this properly + // continue; + // } + axolotlMessage.addHeader(session.processSending(axolotlMessage.getInnerKey())); + } + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Building axolotl own headers..."); + for (XmppAxolotlSession session : findOwnSessions()) { + Log.v(Config.LOGTAG, AxolotlService.getLogprefix(account)+session.remoteAddress.toString()); + // if(!session.isTrusted()) { + // TODO: handle this properly + // continue; + // } + axolotlMessage.addHeader(session.processSending(axolotlMessage.getInnerKey())); + } + + return axolotlMessage; + } + + private void processSending(final Message message) { + executor.execute(new Runnable() { + @Override + public void run() { + MessagePacket packet = mXmppConnectionService.getMessageGenerator() + .generateAxolotlChat(message); + if (packet == null) { + mXmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED); + //mXmppConnectionService.updateConversationUi(); + } else { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Generated message, caching: " + message.getUuid()); + messageCache.put(message.getUuid(), packet); + mXmppConnectionService.resendMessage(message); + } + } + }); + } + + public void prepareMessage(Message message) { + if (!messageCache.containsKey(message.getUuid())) { + boolean newSessions = createSessionsIfNeeded(message.getConversation()); + + if (!newSessions) { + this.processSending(message); + } + } + } + + public MessagePacket fetchPacketFromCache(Message message) { + MessagePacket packet = messageCache.get(message.getUuid()); + if (packet != null) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Cache hit: " + message.getUuid()); + messageCache.remove(message.getUuid()); + } else { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Cache miss: " + message.getUuid()); + } + return packet; + } + + public XmppAxolotlMessage.XmppAxolotlPlaintextMessage processReceiving(XmppAxolotlMessage message) { + XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage = null; + AxolotlAddress senderAddress = new AxolotlAddress(message.getFrom().toString(), + message.getSenderDeviceId()); + + boolean newSession = false; + XmppAxolotlSession session = sessions.get(senderAddress); + if (session == null) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Account: "+account.getJid()+" No axolotl session found while parsing received message " + message); + // TODO: handle this properly + session = new XmppAxolotlSession(account, axolotlStore, senderAddress); + newSession = true; + } + + for (XmppAxolotlMessage.XmppAxolotlMessageHeader header : message.getHeaders()) { + if (header.getRecipientDeviceId() == ownDeviceId) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Found axolotl header matching own device ID, processing..."); + byte[] payloadKey = session.processReceiving(header); + if (payloadKey != null) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Got payload key from axolotl header. Decrypting message..."); + plaintextMessage = message.decrypt(session, payloadKey); + } + Integer preKeyId = session.getPreKeyId(); + if (preKeyId != null) { + publishBundlesIfNeeded(); + session.resetPreKeyId(); + } + break; + } + } + + if (newSession && plaintextMessage != null) { + sessions.put(senderAddress,session); + } + + return plaintextMessage; + } +} diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/NoSessionsCreatedException.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/NoSessionsCreatedException.java new file mode 100644 index 00000000..663b42b5 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/NoSessionsCreatedException.java @@ -0,0 +1,4 @@ +package eu.siacs.conversations.crypto.axolotl; + +public class NoSessionsCreatedException extends Throwable{ +} diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java new file mode 100644 index 00000000..06dd2cda --- /dev/null +++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java @@ -0,0 +1,190 @@ +package eu.siacs.conversations.crypto.axolotl; + +import android.util.Base64; + +import java.security.InvalidAlgorithmParameterException; +import java.security.NoSuchAlgorithmException; +import java.security.InvalidKeyException; +import java.util.HashSet; +import java.util.Set; + +import javax.crypto.BadPaddingException; +import javax.crypto.Cipher; +import javax.crypto.IllegalBlockSizeException; +import javax.crypto.KeyGenerator; +import javax.crypto.NoSuchPaddingException; +import javax.crypto.SecretKey; +import javax.crypto.spec.IvParameterSpec; +import javax.crypto.spec.SecretKeySpec; + +import eu.siacs.conversations.entities.Contact; +import eu.siacs.conversations.xml.Element; +import eu.siacs.conversations.xmpp.jid.Jid; + +public class XmppAxolotlMessage { + private byte[] innerKey; + private byte[] ciphertext; + private byte[] iv; + private final Set<XmppAxolotlMessageHeader> headers; + private final Jid from; + private final int sourceDeviceId; + + public static class XmppAxolotlMessageHeader { + private final int recipientDeviceId; + private final byte[] content; + + public XmppAxolotlMessageHeader(int deviceId, byte[] content) { + this.recipientDeviceId = deviceId; + this.content = content; + } + + public XmppAxolotlMessageHeader(Element header) { + if("header".equals(header.getName())) { + this.recipientDeviceId = Integer.parseInt(header.getAttribute("rid")); + this.content = Base64.decode(header.getContent(),Base64.DEFAULT); + } else { + throw new IllegalArgumentException("Argument not a <header> Element!"); + } + } + + public int getRecipientDeviceId() { + return recipientDeviceId; + } + + public byte[] getContents() { + return content; + } + + public Element toXml() { + Element headerElement = new Element("header"); + // TODO: generate XML + headerElement.setAttribute("rid", getRecipientDeviceId()); + headerElement.setContent(Base64.encodeToString(getContents(), Base64.DEFAULT)); + return headerElement; + } + } + + public static class XmppAxolotlPlaintextMessage { + private final AxolotlService.XmppAxolotlSession session; + private final String plaintext; + + public XmppAxolotlPlaintextMessage(AxolotlService.XmppAxolotlSession session, String plaintext) { + this.session = session; + this.plaintext = plaintext; + } + + public String getPlaintext() { + return plaintext; + } + + public AxolotlService.XmppAxolotlSession getSession() { + return session; + } + + } + + public XmppAxolotlMessage(Jid from, Element axolotlMessage) { + this.from = from; + this.sourceDeviceId = Integer.parseInt(axolotlMessage.getAttribute("id")); + this.headers = new HashSet<>(); + for(Element child:axolotlMessage.getChildren()) { + switch(child.getName()) { + case "header": + headers.add(new XmppAxolotlMessageHeader(child)); + break; + case "message": + iv = Base64.decode(child.getAttribute("iv"),Base64.DEFAULT); + ciphertext = Base64.decode(child.getContent(),Base64.DEFAULT); + break; + default: + break; + } + } + } + + public XmppAxolotlMessage(Jid from, int sourceDeviceId, String plaintext) { + this.from = from; + this.sourceDeviceId = sourceDeviceId; + this.headers = new HashSet<>(); + this.encrypt(plaintext); + } + + private void encrypt(String plaintext) { + try { + KeyGenerator generator = KeyGenerator.getInstance("AES"); + generator.init(128); + SecretKey secretKey = generator.generateKey(); + Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding"); + cipher.init(Cipher.ENCRYPT_MODE, secretKey); + this.innerKey = secretKey.getEncoded(); + this.iv = cipher.getIV(); + this.ciphertext = cipher.doFinal(plaintext.getBytes()); + } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException + | IllegalBlockSizeException | BadPaddingException e) { + + } + } + + public Jid getFrom() { + return this.from; + } + + public int getSenderDeviceId() { + return sourceDeviceId; + } + + public byte[] getCiphertext() { + return ciphertext; + } + + public Set<XmppAxolotlMessageHeader> getHeaders() { + return headers; + } + + public void addHeader(XmppAxolotlMessageHeader header) { + headers.add(header); + } + + public byte[] getInnerKey(){ + return innerKey; + } + + public byte[] getIV() { + return this.iv; + } + + public Element toXml() { + // TODO: generate outer XML, add in header XML + Element message= new Element("axolotl_message", AxolotlService.PEP_PREFIX); + message.setAttribute("id", sourceDeviceId); + for(XmppAxolotlMessageHeader header: headers) { + message.addChild(header.toXml()); + } + Element payload = message.addChild("message"); + payload.setAttribute("iv",Base64.encodeToString(iv, Base64.DEFAULT)); + payload.setContent(Base64.encodeToString(ciphertext,Base64.DEFAULT)); + return message; + } + + + public XmppAxolotlPlaintextMessage decrypt(AxolotlService.XmppAxolotlSession session, byte[] key) { + XmppAxolotlPlaintextMessage plaintextMessage = null; + try { + + Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding"); + SecretKeySpec keySpec = new SecretKeySpec(key, "AES"); + IvParameterSpec ivSpec = new IvParameterSpec(iv); + + cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec); + + String plaintext = new String(cipher.doFinal(ciphertext)); + plaintextMessage = new XmppAxolotlPlaintextMessage(session, plaintext); + + } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException + | InvalidAlgorithmParameterException | IllegalBlockSizeException + | BadPaddingException e) { + throw new AssertionError(e); + } + return plaintextMessage; + } +} diff --git a/src/main/java/eu/siacs/conversations/entities/Account.java b/src/main/java/eu/siacs/conversations/entities/Account.java index f472361f..7a2dc3f7 100644 --- a/src/main/java/eu/siacs/conversations/entities/Account.java +++ b/src/main/java/eu/siacs/conversations/entities/Account.java @@ -20,6 +20,7 @@ import java.util.concurrent.CopyOnWriteArraySet; import eu.siacs.conversations.Config; import eu.siacs.conversations.R; import eu.siacs.conversations.crypto.OtrService; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.services.XmppConnectionService; import eu.siacs.conversations.xmpp.XmppConnection; import eu.siacs.conversations.xmpp.jid.InvalidJidException; @@ -122,6 +123,7 @@ public class Account extends AbstractEntity { protected String avatar; protected boolean online = false; private OtrService mOtrService = null; + private AxolotlService axolotlService = null; private XmppConnection xmppConnection = null; private long mEndGracePeriod = 0L; private String otrFingerprint; @@ -254,6 +256,10 @@ public class Account extends AbstractEntity { return keys; } + public String getKey(final String name) { + return this.keys.optString(name, null); + } + public boolean setKey(final String keyName, final String keyValue) { try { this.keys.put(keyName, keyValue); @@ -277,8 +283,13 @@ public class Account extends AbstractEntity { return values; } + public AxolotlService getAxolotlService() { + return axolotlService; + } + public void initAccountServices(final XmppConnectionService context) { this.mOtrService = new OtrService(context, this); + this.axolotlService = new AxolotlService(this, context); } public OtrService getOtrService() { diff --git a/src/main/java/eu/siacs/conversations/entities/Contact.java b/src/main/java/eu/siacs/conversations/entities/Contact.java index e546f214..fdb5f932 100644 --- a/src/main/java/eu/siacs/conversations/entities/Contact.java +++ b/src/main/java/eu/siacs/conversations/entities/Contact.java @@ -2,15 +2,20 @@ package eu.siacs.conversations.entities; import android.content.ContentValues; import android.database.Cursor; +import android.util.Base64; +import android.util.Log; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; +import org.whispersystems.libaxolotl.IdentityKey; +import org.whispersystems.libaxolotl.InvalidKeyException; import java.util.ArrayList; import java.util.List; import java.util.Locale; +import eu.siacs.conversations.Config; import eu.siacs.conversations.utils.UIHelper; import eu.siacs.conversations.xml.Element; import eu.siacs.conversations.xmpp.jid.InvalidJidException; @@ -183,20 +188,22 @@ public class Contact implements ListItem, Blockable { } public ContentValues getContentValues() { - final ContentValues values = new ContentValues(); - values.put(ACCOUNT, accountUuid); - values.put(SYSTEMNAME, systemName); - values.put(SERVERNAME, serverName); - values.put(JID, jid.toString()); - values.put(OPTIONS, subscription); - values.put(SYSTEMACCOUNT, systemAccount); - values.put(PHOTOURI, photoUri); - values.put(KEYS, keys.toString()); - values.put(AVATAR, avatar == null ? null : avatar.getFilename()); - values.put(LAST_PRESENCE, lastseen.presence); - values.put(LAST_TIME, lastseen.time); - values.put(GROUPS, groups.toString()); - return values; + synchronized (this.keys) { + final ContentValues values = new ContentValues(); + values.put(ACCOUNT, accountUuid); + values.put(SYSTEMNAME, systemName); + values.put(SERVERNAME, serverName); + values.put(JID, jid.toString()); + values.put(OPTIONS, subscription); + values.put(SYSTEMACCOUNT, systemAccount); + values.put(PHOTOURI, photoUri); + values.put(KEYS, keys.toString()); + values.put(AVATAR, avatar == null ? null : avatar.getFilename()); + values.put(LAST_PRESENCE, lastseen.presence); + values.put(LAST_TIME, lastseen.time); + values.put(GROUPS, groups.toString()); + return values; + } } public int getSubscription() { @@ -281,60 +288,65 @@ public class Contact implements ListItem, Blockable { } public ArrayList<String> getOtrFingerprints() { - final ArrayList<String> fingerprints = new ArrayList<String>(); - try { - if (this.keys.has("otr_fingerprints")) { - final JSONArray prints = this.keys.getJSONArray("otr_fingerprints"); - for (int i = 0; i < prints.length(); ++i) { - final String print = prints.isNull(i) ? null : prints.getString(i); - if (print != null && !print.isEmpty()) { - fingerprints.add(prints.getString(i)); + synchronized (this.keys) { + final ArrayList<String> fingerprints = new ArrayList<String>(); + try { + if (this.keys.has("otr_fingerprints")) { + final JSONArray prints = this.keys.getJSONArray("otr_fingerprints"); + for (int i = 0; i < prints.length(); ++i) { + final String print = prints.isNull(i) ? null : prints.getString(i); + if (print != null && !print.isEmpty()) { + fingerprints.add(prints.getString(i)); + } } } - } - } catch (final JSONException ignored) { + } catch (final JSONException ignored) { + } + return fingerprints; } - return fingerprints; } - public boolean addOtrFingerprint(String print) { - if (getOtrFingerprints().contains(print)) { - return false; - } - try { - JSONArray fingerprints; - if (!this.keys.has("otr_fingerprints")) { - fingerprints = new JSONArray(); - - } else { - fingerprints = this.keys.getJSONArray("otr_fingerprints"); + synchronized (this.keys) { + if (getOtrFingerprints().contains(print)) { + return false; + } + try { + JSONArray fingerprints; + if (!this.keys.has("otr_fingerprints")) { + fingerprints = new JSONArray(); + } else { + fingerprints = this.keys.getJSONArray("otr_fingerprints"); + } + fingerprints.put(print); + this.keys.put("otr_fingerprints", fingerprints); + return true; + } catch (final JSONException ignored) { + return false; } - fingerprints.put(print); - this.keys.put("otr_fingerprints", fingerprints); - return true; - } catch (final JSONException ignored) { - return false; } } public long getPgpKeyId() { - if (this.keys.has("pgp_keyid")) { - try { - return this.keys.getLong("pgp_keyid"); - } catch (JSONException e) { + synchronized (this.keys) { + if (this.keys.has("pgp_keyid")) { + try { + return this.keys.getLong("pgp_keyid"); + } catch (JSONException e) { + return 0; + } + } else { return 0; } - } else { - return 0; } } public void setPgpKeyId(long keyId) { - try { - this.keys.put("pgp_keyid", keyId); - } catch (final JSONException ignored) { - + synchronized (this.keys) { + try { + this.keys.put("pgp_keyid", keyId); + } catch (final JSONException ignored) { + } } } @@ -441,24 +453,26 @@ public class Contact implements ListItem, Blockable { } public boolean deleteOtrFingerprint(String fingerprint) { - boolean success = false; - try { - if (this.keys.has("otr_fingerprints")) { - JSONArray newPrints = new JSONArray(); - JSONArray oldPrints = this.keys - .getJSONArray("otr_fingerprints"); - for (int i = 0; i < oldPrints.length(); ++i) { - if (!oldPrints.getString(i).equals(fingerprint)) { - newPrints.put(oldPrints.getString(i)); - } else { - success = true; + synchronized (this.keys) { + boolean success = false; + try { + if (this.keys.has("otr_fingerprints")) { + JSONArray newPrints = new JSONArray(); + JSONArray oldPrints = this.keys + .getJSONArray("otr_fingerprints"); + for (int i = 0; i < oldPrints.length(); ++i) { + if (!oldPrints.getString(i).equals(fingerprint)) { + newPrints.put(oldPrints.getString(i)); + } else { + success = true; + } } + this.keys.put("otr_fingerprints", newPrints); } - this.keys.put("otr_fingerprints", newPrints); + return success; + } catch (JSONException e) { + return false; } - return success; - } catch (JSONException e) { - return false; } } diff --git a/src/main/java/eu/siacs/conversations/entities/Conversation.java b/src/main/java/eu/siacs/conversations/entities/Conversation.java index 289ed4ea..2efd8a29 100644 --- a/src/main/java/eu/siacs/conversations/entities/Conversation.java +++ b/src/main/java/eu/siacs/conversations/entities/Conversation.java @@ -179,13 +179,13 @@ public class Conversation extends AbstractEntity implements Blockable { } } - public void findUnsentMessagesWithOtrEncryption(OnMessageFound onMessageFound) { + public void findUnsentMessagesWithEncryption(int encryptionType, OnMessageFound onMessageFound) { synchronized (this.messages) { for (Message message : this.messages) { if ((message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_WAITING) - && (message.getEncryption() == Message.ENCRYPTION_OTR)) { + && (message.getEncryption() == encryptionType)) { onMessageFound.onMessageFound(message); - } + } } } } diff --git a/src/main/java/eu/siacs/conversations/entities/Message.java b/src/main/java/eu/siacs/conversations/entities/Message.java index 078a4565..fb8b180e 100644 --- a/src/main/java/eu/siacs/conversations/entities/Message.java +++ b/src/main/java/eu/siacs/conversations/entities/Message.java @@ -8,6 +8,7 @@ import java.net.URL; import java.util.Arrays; import eu.siacs.conversations.Config; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.utils.GeoHelper; import eu.siacs.conversations.utils.MimeUtils; import eu.siacs.conversations.utils.UIHelper; @@ -34,6 +35,7 @@ public class Message extends AbstractEntity { public static final int ENCRYPTION_OTR = 2; public static final int ENCRYPTION_DECRYPTED = 3; public static final int ENCRYPTION_DECRYPTION_FAILED = 4; + public static final int ENCRYPTION_AXOLOTL = 5; public static final int TYPE_TEXT = 0; public static final int TYPE_IMAGE = 1; @@ -65,6 +67,7 @@ public class Message extends AbstractEntity { protected int encryption; protected int status; protected int type; + private AxolotlService.XmppAxolotlSession axolotlSession = null; protected String relativeFilePath; protected boolean read = true; protected String remoteMsgId = null; @@ -653,4 +656,12 @@ public class Message extends AbstractEntity { public int width = 0; public int height = 0; } + + public boolean isTrusted() { + return this.axolotlSession != null && this.axolotlSession.isTrusted(); + } + + public void setAxolotlSession(AxolotlService.XmppAxolotlSession session) { + this.axolotlSession = session; + } } diff --git a/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java b/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java index 79626511..69bb1803 100644 --- a/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java +++ b/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java @@ -12,6 +12,7 @@ import java.util.List; import java.util.Locale; import java.util.TimeZone; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.services.XmppConnectionService; import eu.siacs.conversations.utils.PhoneHelper; @@ -28,7 +29,8 @@ public abstract class AbstractGenerator { "urn:xmpp:avatar:metadata+notify", "urn:xmpp:ping", "jabber:iq:version", - "http://jabber.org/protocol/chatstates"}; + "http://jabber.org/protocol/chatstates", + AxolotlService.PEP_DEVICE_LIST+"+notify"}; private final String[] MESSAGE_CONFIRMATION_FEATURES = { "urn:xmpp:chat-markers:0", "urn:xmpp:receipts" diff --git a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java index 47915e3f..19c1d4f7 100644 --- a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java +++ b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java @@ -1,9 +1,18 @@ package eu.siacs.conversations.generator; +import android.util.Base64; + +import org.whispersystems.libaxolotl.IdentityKey; +import org.whispersystems.libaxolotl.ecc.ECPublicKey; +import org.whispersystems.libaxolotl.state.PreKeyRecord; +import org.whispersystems.libaxolotl.state.SignedPreKeyRecord; + import java.util.ArrayList; import java.util.List; +import java.util.Set; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.DownloadableFile; @@ -115,6 +124,56 @@ public class IqGenerator extends AbstractGenerator { return packet; } + public IqPacket retrieveDeviceIds(final Jid to) { + final IqPacket packet = retrieve(AxolotlService.PEP_DEVICE_LIST, null); + if(to != null) { + packet.setTo(to); + } + return packet; + } + + public IqPacket retrieveBundlesForDevice(final Jid to, final int deviceid) { + final IqPacket packet = retrieve(AxolotlService.PEP_BUNDLES+":"+deviceid, null); + if(to != null) { + packet.setTo(to); + } + return packet; + } + + public IqPacket publishDeviceIds(final Set<Integer> ids) { + final Element item = new Element("item"); + final Element list = item.addChild("list", AxolotlService.PEP_PREFIX); + for(Integer id:ids) { + final Element device = new Element("device"); + device.setAttribute("id", id); + list.addChild(device); + } + return publish(AxolotlService.PEP_DEVICE_LIST, item); + } + + public IqPacket publishBundles(final SignedPreKeyRecord signedPreKeyRecord, final IdentityKey identityKey, + final Set<PreKeyRecord> preKeyRecords, final int deviceId) { + final Element item = new Element("item"); + final Element bundle = item.addChild("bundle", AxolotlService.PEP_PREFIX); + final Element signedPreKeyPublic = bundle.addChild("signedPreKeyPublic"); + signedPreKeyPublic.setAttribute("signedPreKeyId", signedPreKeyRecord.getId()); + ECPublicKey publicKey = signedPreKeyRecord.getKeyPair().getPublicKey(); + signedPreKeyPublic.setContent(Base64.encodeToString(publicKey.serialize(),Base64.DEFAULT)); + final Element signedPreKeySignature = bundle.addChild("signedPreKeySignature"); + signedPreKeySignature.setContent(Base64.encodeToString(signedPreKeyRecord.getSignature(),Base64.DEFAULT)); + final Element identityKeyElement = bundle.addChild("identityKey"); + identityKeyElement.setContent(Base64.encodeToString(identityKey.serialize(), Base64.DEFAULT)); + + final Element prekeys = bundle.addChild("prekeys", AxolotlService.PEP_PREFIX); + for(PreKeyRecord preKeyRecord:preKeyRecords) { + final Element prekey = prekeys.addChild("preKeyPublic"); + prekey.setAttribute("preKeyId", preKeyRecord.getId()); + prekey.setContent(Base64.encodeToString(preKeyRecord.getKeyPair().getPublicKey().serialize(), Base64.DEFAULT)); + } + + return publish(AxolotlService.PEP_BUNDLES+":"+deviceId, item); + } + public IqPacket queryMessageArchiveManagement(final MessageArchiveService.Query mam) { final IqPacket packet = new IqPacket(IqPacket.TYPE.SET); final Element query = packet.query("urn:xmpp:mam:0"); diff --git a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java index bc1148d9..1dd21541 100644 --- a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java +++ b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java @@ -1,5 +1,7 @@ package eu.siacs.conversations.generator; +import android.util.Log; + import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; @@ -7,6 +9,11 @@ import java.util.TimeZone; import net.java.otr4j.OtrException; import net.java.otr4j.session.Session; + +import eu.siacs.conversations.Config; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; +import eu.siacs.conversations.crypto.axolotl.NoSessionsCreatedException; +import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.Message; @@ -59,6 +66,22 @@ public class MessageGenerator extends AbstractGenerator { delay.setAttribute("stamp", mDateFormat.format(date)); } + public MessagePacket generateAxolotlChat(Message message) { + return generateAxolotlChat(message, false); + } + + public MessagePacket generateAxolotlChat(Message message, boolean addDelay) { + MessagePacket packet = preparePacket(message, addDelay); + AxolotlService service = message.getConversation().getAccount().getAxolotlService(); + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(message.getConversation().getAccount())+"Submitting message to axolotl service for send processing..."); + XmppAxolotlMessage axolotlMessage = service.encrypt(message); + if (axolotlMessage == null) { + return null; + } + packet.setAxolotlMessage(axolotlMessage.toXml()); + return packet; + } + public MessagePacket generateOtrChat(Message message) { return generateOtrChat(message, false); } diff --git a/src/main/java/eu/siacs/conversations/parser/IqParser.java b/src/main/java/eu/siacs/conversations/parser/IqParser.java index 6039d395..e74cb65c 100644 --- a/src/main/java/eu/siacs/conversations/parser/IqParser.java +++ b/src/main/java/eu/siacs/conversations/parser/IqParser.java @@ -1,11 +1,25 @@ package eu.siacs.conversations.parser; +import android.support.annotation.NonNull; +import android.util.Base64; import android.util.Log; +import org.whispersystems.libaxolotl.IdentityKey; +import org.whispersystems.libaxolotl.InvalidKeyException; +import org.whispersystems.libaxolotl.ecc.Curve; +import org.whispersystems.libaxolotl.ecc.ECPublicKey; +import org.whispersystems.libaxolotl.state.PreKeyBundle; + import java.util.ArrayList; import java.util.Collection; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; import eu.siacs.conversations.Config; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.services.XmppConnectionService; @@ -71,6 +85,155 @@ public class IqParser extends AbstractParser implements OnIqPacketReceived { return super.avatarData(items); } + public Element getItem(final IqPacket packet) { + final Element pubsub = packet.findChild("pubsub", + "http://jabber.org/protocol/pubsub"); + if (pubsub == null) { + return null; + } + final Element items = pubsub.findChild("items"); + if (items == null) { + return null; + } + return items.findChild("item"); + } + + @NonNull + public Set<Integer> deviceIds(final Element item) { + Set<Integer> deviceIds = new HashSet<>(); + if (item != null) { + final Element list = item.findChild("list"); + if (list != null) { + for (Element device : list.getChildren()) { + if (!device.getName().equals("device")) { + continue; + } + try { + Integer id = Integer.valueOf(device.getAttribute("id")); + deviceIds.add(id); + } catch (NumberFormatException e) { + Log.e(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Encountered nvalid <device> node in PEP:" + device.toString() + + ", skipping..."); + continue; + } + } + } + } + return deviceIds; + } + + public Integer signedPreKeyId(final Element bundle) { + final Element signedPreKeyPublic = bundle.findChild("signedPreKeyPublic"); + if(signedPreKeyPublic == null) { + return null; + } + return Integer.valueOf(signedPreKeyPublic.getAttribute("signedPreKeyId")); + } + + public ECPublicKey signedPreKeyPublic(final Element bundle) { + ECPublicKey publicKey = null; + final Element signedPreKeyPublic = bundle.findChild("signedPreKeyPublic"); + if(signedPreKeyPublic == null) { + return null; + } + try { + publicKey = Curve.decodePoint(Base64.decode(signedPreKeyPublic.getContent(),Base64.DEFAULT), 0); + } catch (InvalidKeyException e) { + Log.e(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Invalid signedPreKeyPublic in PEP: " + e.getMessage()); + } + return publicKey; + } + + public byte[] signedPreKeySignature(final Element bundle) { + final Element signedPreKeySignature = bundle.findChild("signedPreKeySignature"); + if(signedPreKeySignature == null) { + return null; + } + return Base64.decode(signedPreKeySignature.getContent(),Base64.DEFAULT); + } + + public IdentityKey identityKey(final Element bundle) { + IdentityKey identityKey = null; + final Element identityKeyElement = bundle.findChild("identityKey"); + if(identityKeyElement == null) { + return null; + } + try { + identityKey = new IdentityKey(Base64.decode(identityKeyElement.getContent(), Base64.DEFAULT), 0); + } catch (InvalidKeyException e) { + Log.e(Config.LOGTAG,AxolotlService.LOGPREFIX+" : "+"Invalid identityKey in PEP: "+e.getMessage()); + } + return identityKey; + } + + public Map<Integer, ECPublicKey> preKeyPublics(final IqPacket packet) { + Map<Integer, ECPublicKey> preKeyRecords = new HashMap<>(); + Element item = getItem(packet); + if (item == null) { + Log.d(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Couldn't find <item> in bundle IQ packet: " + packet); + return null; + } + final Element bundleElement = item.findChild("bundle"); + if(bundleElement == null) { + return null; + } + final Element prekeysElement = bundleElement.findChild("prekeys"); + if(prekeysElement == null) { + Log.d(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Couldn't find <prekeys> in bundle IQ packet: " + packet); + return null; + } + for(Element preKeyPublicElement : prekeysElement.getChildren()) { + if(!preKeyPublicElement.getName().equals("preKeyPublic")){ + Log.d(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Encountered unexpected tag in prekeys list: " + preKeyPublicElement); + continue; + } + Integer preKeyId = Integer.valueOf(preKeyPublicElement.getAttribute("preKeyId")); + try { + ECPublicKey preKeyPublic = Curve.decodePoint(Base64.decode(preKeyPublicElement.getContent(), Base64.DEFAULT), 0); + preKeyRecords.put(preKeyId, preKeyPublic); + } catch (InvalidKeyException e) { + Log.e(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Invalid preKeyPublic (ID="+preKeyId+") in PEP: "+ e.getMessage()+", skipping..."); + continue; + } + } + return preKeyRecords; + } + + public PreKeyBundle bundle(final IqPacket bundle) { + Element bundleItem = getItem(bundle); + if(bundleItem == null) { + return null; + } + final Element bundleElement = bundleItem.findChild("bundle"); + if(bundleElement == null) { + return null; + } + ECPublicKey signedPreKeyPublic = signedPreKeyPublic(bundleElement); + Integer signedPreKeyId = signedPreKeyId(bundleElement); + byte[] signedPreKeySignature = signedPreKeySignature(bundleElement); + IdentityKey identityKey = identityKey(bundleElement); + if(signedPreKeyPublic == null || identityKey == null) { + return null; + } + + return new PreKeyBundle(0, 0, 0, null, + signedPreKeyId, signedPreKeyPublic, signedPreKeySignature, identityKey); + } + + public List<PreKeyBundle> preKeys(final IqPacket preKeys) { + List<PreKeyBundle> bundles = new ArrayList<>(); + Map<Integer, ECPublicKey> preKeyPublics = preKeyPublics(preKeys); + if ( preKeyPublics != null) { + for (Integer preKeyId : preKeyPublics.keySet()) { + ECPublicKey preKeyPublic = preKeyPublics.get(preKeyId); + bundles.add(new PreKeyBundle(0, 0, preKeyId, preKeyPublic, + 0, null, null, null)); + } + } + + return bundles; + } + @Override public void onIqPacketReceived(final Account account, final IqPacket packet) { if (packet.hasChild("query", Xmlns.ROSTER) && packet.fromServer(account)) { diff --git a/src/main/java/eu/siacs/conversations/parser/MessageParser.java b/src/main/java/eu/siacs/conversations/parser/MessageParser.java index 72f822ca..653cbc2b 100644 --- a/src/main/java/eu/siacs/conversations/parser/MessageParser.java +++ b/src/main/java/eu/siacs/conversations/parser/MessageParser.java @@ -6,7 +6,12 @@ import android.util.Pair; import net.java.otr4j.session.Session; import net.java.otr4j.session.SessionStatus; +import java.util.List; +import java.util.Set; + import eu.siacs.conversations.Config; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; +import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.entities.Conversation; @@ -94,6 +99,19 @@ public class MessageParser extends AbstractParser implements } } + private Message parseAxolotlChat(Element axolotlMessage, Jid from, String id, Conversation conversation, int status) { + Message finishedMessage = null; + AxolotlService service = conversation.getAccount().getAxolotlService(); + XmppAxolotlMessage xmppAxolotlMessage = new XmppAxolotlMessage(from.toBareJid(), axolotlMessage); + XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage = service.processReceiving(xmppAxolotlMessage); + if(plaintextMessage != null) { + finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status); + finishedMessage.setAxolotlSession(plaintextMessage.getSession()); + } + + return finishedMessage; + } + private class Invite { Jid jid; String password; @@ -170,6 +188,13 @@ public class MessageParser extends AbstractParser implements mXmppConnectionService.updateConversationUi(); mXmppConnectionService.updateAccountUi(); } + } else if (AxolotlService.PEP_DEVICE_LIST.equals(node)) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Received PEP device list update from "+ from + ", processing..."); + Element item = items.findChild("item"); + Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item); + AxolotlService axolotlService = account.getAxolotlService(); + axolotlService.registerDevices(from, deviceIds); + mXmppConnectionService.updateAccountUi(); } } @@ -232,8 +257,9 @@ public class MessageParser extends AbstractParser implements timestamp = AbstractParser.getTimestamp(packet, System.currentTimeMillis()); } final String body = packet.getBody(); - final String encrypted = packet.findChildContent("x", "jabber:x:encrypted"); final Element mucUserElement = packet.findChild("x","http://jabber.org/protocol/muc#user"); + final String pgpEncrypted = packet.findChildContent("x", "jabber:x:encrypted"); + final Element axolotlEncrypted = packet.findChild("axolotl_message", AxolotlService.PEP_PREFIX); int status; final Jid counterpart; final Jid to = packet.getTo(); @@ -261,11 +287,11 @@ public class MessageParser extends AbstractParser implements return; } - if (extractChatState(mXmppConnectionService.find(account,from), packet)) { + if (extractChatState(mXmppConnectionService.find(account, from), packet)) { mXmppConnectionService.updateConversationUi(); } - if ((body != null || encrypted != null) && !isMucStatusMessage) { + if ((body != null || pgpEncrypted != null || axolotlEncrypted != null) && !isMucStatusMessage) { Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, counterpart.toBareJid(), isTypeGroupChat); if (isTypeGroupChat) { if (counterpart.getResourcepart().equals(conversation.getMucOptions().getActualNick())) { @@ -294,8 +320,13 @@ public class MessageParser extends AbstractParser implements } else { message = new Message(conversation, body, Message.ENCRYPTION_NONE, status); } - } else if (encrypted != null) { - message = new Message(conversation, encrypted, Message.ENCRYPTION_PGP, status); + } else if (pgpEncrypted != null) { + message = new Message(conversation, pgpEncrypted, Message.ENCRYPTION_PGP, status); + } else if (axolotlEncrypted != null) { + message = parseAxolotlChat(axolotlEncrypted, from, remoteMsgId, conversation, status); + if (message == null) { + return; + } } else { message = new Message(conversation, body, Message.ENCRYPTION_NONE, status); } diff --git a/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java b/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java index d11b02fa..e408fa7f 100644 --- a/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java +++ b/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java @@ -1,10 +1,31 @@ package eu.siacs.conversations.persistance; +import android.content.ContentValues; +import android.content.Context; +import android.database.Cursor; +import android.database.sqlite.SQLiteCantOpenDatabaseException; +import android.database.sqlite.SQLiteDatabase; +import android.database.sqlite.SQLiteOpenHelper; +import android.util.Base64; +import android.util.Log; + +import org.whispersystems.libaxolotl.AxolotlAddress; +import org.whispersystems.libaxolotl.IdentityKey; +import org.whispersystems.libaxolotl.IdentityKeyPair; +import org.whispersystems.libaxolotl.InvalidKeyException; +import org.whispersystems.libaxolotl.state.PreKeyRecord; +import org.whispersystems.libaxolotl.state.SessionRecord; +import org.whispersystems.libaxolotl.state.SignedPreKeyRecord; + +import java.io.IOException; import java.util.ArrayList; +import java.util.HashSet; import java.util.List; +import java.util.Set; import java.util.concurrent.CopyOnWriteArrayList; import eu.siacs.conversations.Config; +import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.entities.Conversation; @@ -13,19 +34,12 @@ import eu.siacs.conversations.entities.Roster; import eu.siacs.conversations.xmpp.jid.InvalidJidException; import eu.siacs.conversations.xmpp.jid.Jid; -import android.content.Context; -import android.database.Cursor; -import android.database.sqlite.SQLiteCantOpenDatabaseException; -import android.database.sqlite.SQLiteDatabase; -import android.database.sqlite.SQLiteOpenHelper; -import android.util.Log; - public class DatabaseBackend extends SQLiteOpenHelper { private static DatabaseBackend instance = null; private static final String DATABASE_NAME = "history"; - private static final int DATABASE_VERSION = 14; + private static final int DATABASE_VERSION = 15; private static String CREATE_CONTATCS_STATEMENT = "create table " + Contact.TABLENAME + "(" + Contact.ACCOUNT + " TEXT, " @@ -33,12 +47,61 @@ public class DatabaseBackend extends SQLiteOpenHelper { + Contact.JID + " TEXT," + Contact.KEYS + " TEXT," + Contact.PHOTOURI + " TEXT," + Contact.OPTIONS + " NUMBER," + Contact.SYSTEMACCOUNT + " NUMBER, " + Contact.AVATAR + " TEXT, " - + Contact.LAST_PRESENCE + " TEXT, " + Contact.LAST_TIME + " NUMBER, " + + Contact.LAST_PRESENCE + " TEXT, " + Contact.LAST_TIME + " NUMBER, " + Contact.GROUPS + " TEXT, FOREIGN KEY(" + Contact.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, UNIQUE(" + Contact.ACCOUNT + ", " + Contact.JID + ") ON CONFLICT REPLACE);"; + private static String CREATE_PREKEYS_STATEMENT = "CREATE TABLE " + + AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME + "(" + + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " TEXT, " + + AxolotlService.SQLiteAxolotlStore.ID + " INTEGER, " + + AxolotlService.SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + + AxolotlService.SQLiteAxolotlStore.ACCOUNT + + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + + "UNIQUE( " + AxolotlService.SQLiteAxolotlStore.ACCOUNT + ", " + + AxolotlService.SQLiteAxolotlStore.ID + + ") ON CONFLICT REPLACE" + +");"; + + private static String CREATE_SIGNED_PREKEYS_STATEMENT = "CREATE TABLE " + + AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME + "(" + + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " TEXT, " + + AxolotlService.SQLiteAxolotlStore.ID + " INTEGER, " + + AxolotlService.SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + + AxolotlService.SQLiteAxolotlStore.ACCOUNT + + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + + "UNIQUE( " + AxolotlService.SQLiteAxolotlStore.ACCOUNT + ", " + + AxolotlService.SQLiteAxolotlStore.ID + + ") ON CONFLICT REPLACE"+ + ");"; + + private static String CREATE_SESSIONS_STATEMENT = "CREATE TABLE " + + AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME + "(" + + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " TEXT, " + + AxolotlService.SQLiteAxolotlStore.NAME + " TEXT, " + + AxolotlService.SQLiteAxolotlStore.DEVICE_ID + " INTEGER, " + + AxolotlService.SQLiteAxolotlStore.TRUSTED + " INTEGER, " + + AxolotlService.SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + + AxolotlService.SQLiteAxolotlStore.ACCOUNT + + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + + "UNIQUE( " + AxolotlService.SQLiteAxolotlStore.ACCOUNT + ", " + + AxolotlService.SQLiteAxolotlStore.NAME + ", " + + AxolotlService.SQLiteAxolotlStore.DEVICE_ID + + ") ON CONFLICT REPLACE" + +");"; + + private static String CREATE_IDENTITIES_STATEMENT = "CREATE TABLE " + + AxolotlService.SQLiteAxolotlStore.IDENTITIES_TABLENAME + "(" + + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " TEXT, " + + AxolotlService.SQLiteAxolotlStore.NAME + " TEXT, " + + AxolotlService.SQLiteAxolotlStore.OWN + " INTEGER, " + + AxolotlService.SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + + AxolotlService.SQLiteAxolotlStore.ACCOUNT + + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE " + +");"; + private DatabaseBackend(Context context) { super(context, DATABASE_NAME, null, DATABASE_VERSION); } @@ -75,6 +138,10 @@ public class DatabaseBackend extends SQLiteOpenHelper { + ") ON DELETE CASCADE);"); db.execSQL(CREATE_CONTATCS_STATEMENT); + db.execSQL(CREATE_SESSIONS_STATEMENT); + db.execSQL(CREATE_PREKEYS_STATEMENT); + db.execSQL(CREATE_SIGNED_PREKEYS_STATEMENT); + db.execSQL(CREATE_IDENTITIES_STATEMENT); } @Override @@ -109,12 +176,12 @@ public class DatabaseBackend extends SQLiteOpenHelper { db.execSQL("ALTER TABLE " + Conversation.TABLENAME + " ADD COLUMN " + Conversation.ATTRIBUTES + " TEXT"); } - if (oldVersion < 9 && newVersion >= 9) { - db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN " - + Contact.LAST_TIME + " NUMBER"); - db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN " - + Contact.LAST_PRESENCE + " TEXT"); - } + if (oldVersion < 9 && newVersion >= 9) { + db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN " + + Contact.LAST_TIME + " NUMBER"); + db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN " + + Contact.LAST_PRESENCE + " TEXT"); + } if (oldVersion < 10 && newVersion >= 10) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.RELATIVE_FILE_PATH + " TEXT"); @@ -215,6 +282,9 @@ public class DatabaseBackend extends SQLiteOpenHelper { } cursor.close(); } + if (oldVersion < 15 && newVersion >= 15) { + recreateAxolotlDb(); + } } public static synchronized DatabaseBackend getInstance(Context context) { @@ -311,7 +381,7 @@ public class DatabaseBackend extends SQLiteOpenHelper { }; Cursor cursor = db.query(Conversation.TABLENAME, null, Conversation.ACCOUNT + "=? AND (" + Conversation.CONTACTJID - + " like ? OR "+Conversation.CONTACTJID+"=?)", selectionArgs, null, null, null); + + " like ? OR " + Conversation.CONTACTJID + "=?)", selectionArgs, null, null, null); if (cursor.getCount() == 0) return null; cursor.moveToFirst(); @@ -481,4 +551,348 @@ public class DatabaseBackend extends SQLiteOpenHelper { cursor.close(); return list; } + + private Cursor getCursorForSession(Account account, AxolotlAddress contact) { + final SQLiteDatabase db = this.getReadableDatabase(); + String[] columns = null; + String[] selectionArgs = {account.getUuid(), + contact.getName(), + Integer.toString(contact.getDeviceId())}; + Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, + columns, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ? AND " + + AxolotlService.SQLiteAxolotlStore.NAME + " = ? AND " + + AxolotlService.SQLiteAxolotlStore.DEVICE_ID + " = ? ", + selectionArgs, + null, null, null); + + return cursor; + } + + public SessionRecord loadSession(Account account, AxolotlAddress contact) { + SessionRecord session = null; + Cursor cursor = getCursorForSession(account, contact); + if(cursor.getCount() != 0) { + cursor.moveToFirst(); + try { + session = new SessionRecord(Base64.decode(cursor.getString(cursor.getColumnIndex(AxolotlService.SQLiteAxolotlStore.KEY)),Base64.DEFAULT)); + } catch (IOException e) { + cursor.close(); + throw new AssertionError(e); + } + } + cursor.close(); + return session; + } + + public List<Integer> getSubDeviceSessions(Account account, AxolotlAddress contact) { + List<Integer> devices = new ArrayList<>(); + final SQLiteDatabase db = this.getReadableDatabase(); + String[] columns = {AxolotlService.SQLiteAxolotlStore.DEVICE_ID}; + String[] selectionArgs = {account.getUuid(), + contact.getName()}; + Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, + columns, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ? AND " + + AxolotlService.SQLiteAxolotlStore.NAME + " = ? AND ", + selectionArgs, + null, null, null); + + while(cursor.moveToNext()) { + devices.add(cursor.getInt( + cursor.getColumnIndex(AxolotlService.SQLiteAxolotlStore.DEVICE_ID))); + } + + cursor.close(); + return devices; + } + + public boolean containsSession(Account account, AxolotlAddress contact) { + Cursor cursor = getCursorForSession(account, contact); + int count = cursor.getCount(); + cursor.close(); + return count != 0; + } + + public void storeSession(Account account, AxolotlAddress contact, SessionRecord session) { + SQLiteDatabase db = this.getWritableDatabase(); + ContentValues values = new ContentValues(); + values.put(AxolotlService.SQLiteAxolotlStore.NAME, contact.getName()); + values.put(AxolotlService.SQLiteAxolotlStore.DEVICE_ID, contact.getDeviceId()); + values.put(AxolotlService.SQLiteAxolotlStore.KEY, Base64.encodeToString(session.serialize(),Base64.DEFAULT)); + values.put(AxolotlService.SQLiteAxolotlStore.ACCOUNT, account.getUuid()); + db.insert(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, null, values); + } + + public void deleteSession(Account account, AxolotlAddress contact) { + SQLiteDatabase db = this.getWritableDatabase(); + String[] args = {account.getUuid(), + contact.getName(), + Integer.toString(contact.getDeviceId())}; + db.delete(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ? AND " + + AxolotlService.SQLiteAxolotlStore.NAME + " = ? AND " + + AxolotlService.SQLiteAxolotlStore.DEVICE_ID + " = ? ", + args); + } + + public void deleteAllSessions(Account account, AxolotlAddress contact) { + SQLiteDatabase db = this.getWritableDatabase(); + String[] args = {account.getUuid(), contact.getName()}; + db.delete(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + + AxolotlService.SQLiteAxolotlStore.NAME + " = ?", + args); + } + + public boolean isTrustedSession(Account account, AxolotlAddress contact) { + boolean trusted = false; + Cursor cursor = getCursorForSession(account, contact); + if(cursor.getCount() != 0) { + cursor.moveToFirst(); + trusted = cursor.getInt(cursor.getColumnIndex( + AxolotlService.SQLiteAxolotlStore.TRUSTED)) > 0; + } + cursor.close(); + return trusted; + } + + public void setTrustedSession(Account account, AxolotlAddress contact, boolean trusted) { + SQLiteDatabase db = this.getWritableDatabase(); + ContentValues values = new ContentValues(); + values.put(AxolotlService.SQLiteAxolotlStore.NAME, contact.getName()); + values.put(AxolotlService.SQLiteAxolotlStore.DEVICE_ID, contact.getDeviceId()); + values.put(AxolotlService.SQLiteAxolotlStore.ACCOUNT, account.getUuid()); + values.put(AxolotlService.SQLiteAxolotlStore.TRUSTED, trusted?1:0); + db.insert(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, null, values); + } + + private Cursor getCursorForPreKey(Account account, int preKeyId) { + SQLiteDatabase db = this.getReadableDatabase(); + String[] columns = {AxolotlService.SQLiteAxolotlStore.KEY}; + String[] selectionArgs = {account.getUuid(), Integer.toString(preKeyId)}; + Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME, + columns, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + + AxolotlService.SQLiteAxolotlStore.ID + "=?", + selectionArgs, + null, null, null); + + return cursor; + } + + public PreKeyRecord loadPreKey(Account account, int preKeyId) { + PreKeyRecord record = null; + Cursor cursor = getCursorForPreKey(account, preKeyId); + if(cursor.getCount() != 0) { + cursor.moveToFirst(); + try { + record = new PreKeyRecord(Base64.decode(cursor.getString(cursor.getColumnIndex(AxolotlService.SQLiteAxolotlStore.KEY)),Base64.DEFAULT)); + } catch (IOException e ) { + throw new AssertionError(e); + } + } + cursor.close(); + return record; + } + + public boolean containsPreKey(Account account, int preKeyId) { + Cursor cursor = getCursorForPreKey(account, preKeyId); + int count = cursor.getCount(); + cursor.close(); + return count != 0; + } + + public void storePreKey(Account account, PreKeyRecord record) { + SQLiteDatabase db = this.getWritableDatabase(); + ContentValues values = new ContentValues(); + values.put(AxolotlService.SQLiteAxolotlStore.ID, record.getId()); + values.put(AxolotlService.SQLiteAxolotlStore.KEY, Base64.encodeToString(record.serialize(),Base64.DEFAULT)); + values.put(AxolotlService.SQLiteAxolotlStore.ACCOUNT, account.getUuid()); + db.insert(AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME, null, values); + } + + public void deletePreKey(Account account, int preKeyId) { + SQLiteDatabase db = this.getWritableDatabase(); + String[] args = {account.getUuid(), Integer.toString(preKeyId)}; + db.delete(AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + + AxolotlService.SQLiteAxolotlStore.ID + "=?", + args); + } + + private Cursor getCursorForSignedPreKey(Account account, int signedPreKeyId) { + SQLiteDatabase db = this.getReadableDatabase(); + String[] columns = {AxolotlService.SQLiteAxolotlStore.KEY}; + String[] selectionArgs = {account.getUuid(), Integer.toString(signedPreKeyId)}; + Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, + columns, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + AxolotlService.SQLiteAxolotlStore.ID + "=?", + selectionArgs, + null, null, null); + + return cursor; + } + + public SignedPreKeyRecord loadSignedPreKey(Account account, int signedPreKeyId) { + SignedPreKeyRecord record = null; + Cursor cursor = getCursorForSignedPreKey(account, signedPreKeyId); + if(cursor.getCount() != 0) { + cursor.moveToFirst(); + try { + record = new SignedPreKeyRecord(Base64.decode(cursor.getString(cursor.getColumnIndex(AxolotlService.SQLiteAxolotlStore.KEY)),Base64.DEFAULT)); + } catch (IOException e ) { + throw new AssertionError(e); + } + } + cursor.close(); + return record; + } + + public List<SignedPreKeyRecord> loadSignedPreKeys(Account account) { + List<SignedPreKeyRecord> prekeys = new ArrayList<>(); + SQLiteDatabase db = this.getReadableDatabase(); + String[] columns = {AxolotlService.SQLiteAxolotlStore.KEY}; + String[] selectionArgs = {account.getUuid()}; + Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, + columns, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=?", + selectionArgs, + null, null, null); + + while(cursor.moveToNext()) { + try { + prekeys.add(new SignedPreKeyRecord(Base64.decode(cursor.getString(cursor.getColumnIndex(AxolotlService.SQLiteAxolotlStore.KEY)), Base64.DEFAULT))); + } catch (IOException ignored) { + } + } + cursor.close(); + return prekeys; + } + + public boolean containsSignedPreKey(Account account, int signedPreKeyId) { + Cursor cursor = getCursorForPreKey(account, signedPreKeyId); + int count = cursor.getCount(); + cursor.close(); + return count != 0; + } + + public void storeSignedPreKey(Account account, SignedPreKeyRecord record) { + SQLiteDatabase db = this.getWritableDatabase(); + ContentValues values = new ContentValues(); + values.put(AxolotlService.SQLiteAxolotlStore.ID, record.getId()); + values.put(AxolotlService.SQLiteAxolotlStore.KEY, Base64.encodeToString(record.serialize(),Base64.DEFAULT)); + values.put(AxolotlService.SQLiteAxolotlStore.ACCOUNT, account.getUuid()); + db.insert(AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, null, values); + } + + public void deleteSignedPreKey(Account account, int signedPreKeyId) { + SQLiteDatabase db = this.getWritableDatabase(); + String[] args = {account.getUuid(), Integer.toString(signedPreKeyId)}; + db.delete(AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + + AxolotlService.SQLiteAxolotlStore.ID + "=?", + args); + } + + private Cursor getIdentityKeyCursor(Account account, String name, boolean own) { + final SQLiteDatabase db = this.getReadableDatabase(); + String[] columns = {AxolotlService.SQLiteAxolotlStore.KEY}; + String[] selectionArgs = {account.getUuid(), + name, + own?"1":"0"}; + Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.IDENTITIES_TABLENAME, + columns, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ? AND " + + AxolotlService.SQLiteAxolotlStore.NAME + " = ? AND " + + AxolotlService.SQLiteAxolotlStore.OWN + " = ? ", + selectionArgs, + null, null, null); + + return cursor; + } + + public IdentityKeyPair loadOwnIdentityKeyPair(Account account, String name) { + IdentityKeyPair identityKeyPair = null; + Cursor cursor = getIdentityKeyCursor(account, name, true); + if(cursor.getCount() != 0) { + cursor.moveToFirst(); + try { + identityKeyPair = new IdentityKeyPair(Base64.decode(cursor.getString(cursor.getColumnIndex(AxolotlService.SQLiteAxolotlStore.KEY)),Base64.DEFAULT)); + } catch (InvalidKeyException e) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Encountered invalid IdentityKey in database for account" + account.getJid().toBareJid() + ", address: " + name); + } + } + cursor.close(); + + return identityKeyPair; + } + + public Set<IdentityKey> loadIdentityKeys(Account account, String name) { + Set<IdentityKey> identityKeys = new HashSet<>(); + Cursor cursor = getIdentityKeyCursor(account, name, false); + + while(cursor.moveToNext()) { + try { + identityKeys.add(new IdentityKey(Base64.decode(cursor.getString(cursor.getColumnIndex(AxolotlService.SQLiteAxolotlStore.KEY)),Base64.DEFAULT),0)); + } catch (InvalidKeyException e) { + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+"Encountered invalid IdentityKey in database for account"+account.getJid().toBareJid()+", address: "+name); + } + } + cursor.close(); + + return identityKeys; + } + + private void storeIdentityKey(Account account, String name, boolean own, String base64Serialized) { + SQLiteDatabase db = this.getWritableDatabase(); + ContentValues values = new ContentValues(); + values.put(AxolotlService.SQLiteAxolotlStore.ACCOUNT, account.getUuid()); + values.put(AxolotlService.SQLiteAxolotlStore.NAME, name); + values.put(AxolotlService.SQLiteAxolotlStore.OWN, own?1:0); + values.put(AxolotlService.SQLiteAxolotlStore.KEY, base64Serialized); + db.insert(AxolotlService.SQLiteAxolotlStore.IDENTITIES_TABLENAME, null, values); + } + + public void storeIdentityKey(Account account, String name, IdentityKey identityKey) { + storeIdentityKey(account, name, false, Base64.encodeToString(identityKey.serialize(), Base64.DEFAULT)); + } + + public void storeOwnIdentityKeyPair(Account account, String name, IdentityKeyPair identityKeyPair) { + storeIdentityKey(account, name, true, Base64.encodeToString(identityKeyPair.serialize(),Base64.DEFAULT)); + } + + public void recreateAxolotlDb() { + Log.d(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+">>> (RE)CREATING AXOLOTL DATABASE <<<"); + SQLiteDatabase db = this.getWritableDatabase(); + db.execSQL("DROP TABLE IF EXISTS " + AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME); + db.execSQL(CREATE_SESSIONS_STATEMENT); + db.execSQL("DROP TABLE IF EXISTS " + AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME); + db.execSQL(CREATE_PREKEYS_STATEMENT); + db.execSQL("DROP TABLE IF EXISTS " + AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME); + db.execSQL(CREATE_SIGNED_PREKEYS_STATEMENT); + db.execSQL("DROP TABLE IF EXISTS " + AxolotlService.SQLiteAxolotlStore.IDENTITIES_TABLENAME); + db.execSQL(CREATE_IDENTITIES_STATEMENT); + } + + public void wipeAxolotlDb(Account account) { + String accountName = account.getUuid(); + Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account)+">>> WIPING AXOLOTL DATABASE FOR ACCOUNT " + accountName + " <<<"); + SQLiteDatabase db = this.getWritableDatabase(); + String[] deleteArgs= { + accountName + }; + db.delete(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ?", + deleteArgs); + db.delete(AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ?", + deleteArgs); + db.delete(AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ?", + deleteArgs); + db.delete(AxolotlService.SQLiteAxolotlStore.IDENTITIES_TABLENAME, + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ?", + deleteArgs); + } } diff --git a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java index 2fead238..7b0853ae 100644 --- a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java +++ b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java @@ -272,7 +272,10 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa } } syncDirtyContacts(account); - scheduleWakeUpCall(Config.PING_MAX_INTERVAL,account.getUuid().hashCode()); + account.getAxolotlService().publishOwnDeviceIdIfNeeded(); + account.getAxolotlService().publishBundlesIfNeeded(); + + scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode()); } else if (account.getStatus() == Account.State.OFFLINE) { resetSendingToWaiting(account); if (!account.isOptionSet(Account.OPTION_DISABLED)) { @@ -698,7 +701,8 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) { message.getConversation().endOtrIfNeeded(); - message.getConversation().findUnsentMessagesWithOtrEncryption(new Conversation.OnMessageFound() { + message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, + new Conversation.OnMessageFound() { @Override public void onMessageFound(Message message) { markMessage(message,Message.STATUS_SEND_FAILED); @@ -752,6 +756,14 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa } } break; + case Message.ENCRYPTION_AXOLOTL: + message.setStatus(Message.STATUS_WAITING); + packet = account.getAxolotlService().fetchPacketFromCache(message); + if (packet == null && account.isOnlineAndConnected()) { + account.getAxolotlService().prepareMessage(message); + } + break; + } if (packet != null) { if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) { @@ -1757,7 +1769,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa account.getJid().toBareJid() + " otr session established with " + conversation.getJid() + "/" + otrSession.getSessionID().getUserID()); - conversation.findUnsentMessagesWithOtrEncryption(new Conversation.OnMessageFound() { + conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() { @Override public void onMessageFound(Message message) { diff --git a/src/main/java/eu/siacs/conversations/ui/ContactDetailsActivity.java b/src/main/java/eu/siacs/conversations/ui/ContactDetailsActivity.java index c190caed..33861f82 100644 --- a/src/main/java/eu/siacs/conversations/ui/ContactDetailsActivity.java +++ b/src/main/java/eu/siacs/conversations/ui/ContactDetailsActivity.java @@ -29,6 +29,7 @@ import android.widget.QuickContactBadge; import android.widget.TextView; import org.openintents.openpgp.util.OpenPgpUtils; +import org.whispersystems.libaxolotl.IdentityKey; import java.util.List; @@ -376,6 +377,26 @@ public class ContactDetailsActivity extends XmppActivity implements OnAccountUpd } }); } + for(final IdentityKey identityKey : xmppConnectionService.databaseBackend.loadIdentityKeys( + contact.getAccount(), contact.getJid().toBareJid().toString())) { + hasKeys = true; + View view = inflater.inflate(R.layout.contact_key, keys, false); + TextView key = (TextView) view.findViewById(R.id.key); + TextView keyType = (TextView) view.findViewById(R.id.key_type); + ImageButton remove = (ImageButton) view + .findViewById(R.id.button_remove); + remove.setVisibility(View.VISIBLE); + keyType.setText("Axolotl Fingerprint"); + key.setText(CryptoHelper.prettifyFingerprint(identityKey.getFingerprint())); + keys.addView(view); + remove.setOnClickListener(new OnClickListener() { + + @Override + public void onClick(View v) { + //confirmToDeleteFingerprint(otrFingerprint); + } + }); + } if (contact.getPgpKeyId() != 0) { hasKeys = true; View view = inflater.inflate(R.layout.contact_key, keys, false); diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java index 770129ab..f7dca7a3 100644 --- a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java +++ b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java @@ -16,6 +16,7 @@ import android.os.Bundle; import android.provider.MediaStore; import android.support.v4.widget.SlidingPaneLayout; import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener; +import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; @@ -34,6 +35,7 @@ import java.util.ArrayList; import java.util.Iterator; import java.util.List; +import eu.siacs.conversations.Config; import eu.siacs.conversations.R; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Blockable; @@ -752,6 +754,17 @@ public class ConversationActivity extends XmppActivity showInstallPgpDialog(); } break; + case R.id.encryption_choice_axolotl: + Log.d(Config.LOGTAG, "Trying to enable axolotl..."); + if(conversation.getAccount().getAxolotlService().isContactAxolotlCapable(conversation.getContact())) { + Log.d(Config.LOGTAG, "Enabled axolotl for Contact " + conversation.getContact().getJid() ); + conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL); + item.setChecked(true); + } else { + Log.d(Config.LOGTAG, "Contact " + conversation.getContact().getJid() + " not axolotl capable!"); + showAxolotlNoSessionsDialog(); + } + break; default: conversation.setNextEncryption(Message.ENCRYPTION_NONE); break; @@ -784,6 +797,11 @@ public class ConversationActivity extends XmppActivity popup.getMenu().findItem(R.id.encryption_choice_pgp) .setChecked(true); break; + case Message.ENCRYPTION_AXOLOTL: + Log.d(Config.LOGTAG, "Axolotl confirmed. Setting menu item checked!"); + popup.getMenu().findItem(R.id.encryption_choice_axolotl) + .setChecked(true); + break; default: popup.getMenu().findItem(R.id.encryption_choice_none) .setChecked(true); diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java index 20c6681b..cc53bce5 100644 --- a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java +++ b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java @@ -302,6 +302,8 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa sendOtrMessage(message); } else if (conversation.getNextEncryption(activity.forceEncryption()) == Message.ENCRYPTION_PGP) { sendPgpMessage(message); + } else if (conversation.getNextEncryption(activity.forceEncryption()) == Message.ENCRYPTION_AXOLOTL) { + sendAxolotlMessage(message); } else { sendPlainTextMessage(message); } @@ -322,6 +324,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa case Message.ENCRYPTION_OTR: mEditMessage.setHint(getString(R.string.send_otr_message)); break; + case Message.ENCRYPTION_AXOLOTL: + mEditMessage.setHint(getString(R.string.send_axolotl_message)); + break; case Message.ENCRYPTION_PGP: mEditMessage.setHint(getString(R.string.send_pgp_message)); break; @@ -1114,6 +1119,14 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa builder.create().show(); } + protected void sendAxolotlMessage(final Message message) { + final ConversationActivity activity = (ConversationActivity) getActivity(); + final XmppConnectionService xmppService = activity.xmppConnectionService; + //message.setCounterpart(conversation.getNextCounterpart()); + xmppService.sendMessage(message); + messageSent(); + } + protected void sendOtrMessage(final Message message) { final ConversationActivity activity = (ConversationActivity) getActivity(); final XmppConnectionService xmppService = activity.xmppConnectionService; diff --git a/src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java b/src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java index 931a1a2f..91a9f555 100644 --- a/src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java +++ b/src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java @@ -1,9 +1,13 @@ package eu.siacs.conversations.ui; +import android.app.AlertDialog; +import android.app.AlertDialog.Builder; import android.app.PendingIntent; +import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.text.Editable; +import android.text.TextUtils; import android.text.TextWatcher; import android.view.Menu; import android.view.MenuItem; @@ -23,6 +27,8 @@ import android.widget.TableLayout; import android.widget.TextView; import android.widget.Toast; +import java.util.Set; + import eu.siacs.conversations.R; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate; @@ -54,9 +60,16 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate private TextView mServerInfoPep; private TextView mSessionEst; private TextView mOtrFingerprint; + private TextView mAxolotlFingerprint; + private TextView mAxolotlDevicelist; private ImageView mAvatar; private RelativeLayout mOtrFingerprintBox; + private RelativeLayout mAxolotlFingerprintBox; + private RelativeLayout mAxolotlDevicelistBox; private ImageButton mOtrFingerprintToClipboardButton; + private ImageButton mAxolotlFingerprintToClipboardButton; + private ImageButton mWipeAxolotlPepButton; + private ImageButton mRegenerateAxolotlKeyButton; private Jid jidToEdit; private Account mAccount; @@ -310,6 +323,13 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate this.mOtrFingerprint = (TextView) findViewById(R.id.otr_fingerprint); this.mOtrFingerprintBox = (RelativeLayout) findViewById(R.id.otr_fingerprint_box); this.mOtrFingerprintToClipboardButton = (ImageButton) findViewById(R.id.action_copy_to_clipboard); + this.mAxolotlFingerprint = (TextView) findViewById(R.id.axolotl_fingerprint); + this.mAxolotlFingerprintBox = (RelativeLayout) findViewById(R.id.axolotl_fingerprint_box); + this.mAxolotlFingerprintToClipboardButton = (ImageButton) findViewById(R.id.action_copy_to_clipboard); + this.mRegenerateAxolotlKeyButton = (ImageButton) findViewById(R.id.action_regenerate_axolotl_key); + this.mAxolotlDevicelist = (TextView) findViewById(R.id.axolotl_devicelist); + this.mAxolotlDevicelistBox = (RelativeLayout) findViewById(R.id.axolotl_devices_box); + this.mWipeAxolotlPepButton = (ImageButton) findViewById(R.id.action_wipe_axolotl_pep); this.mSaveButton = (Button) findViewById(R.id.save_button); this.mCancelButton = (Button) findViewById(R.id.cancel_button); this.mSaveButton.setOnClickListener(this.mSaveButtonClickListener); @@ -475,10 +495,10 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate } else { this.mServerInfoPep.setText(R.string.server_info_unavailable); } - final String fingerprint = this.mAccount.getOtrFingerprint(); - if (fingerprint != null) { + final String otrFingerprint = this.mAccount.getOtrFingerprint(); + if (otrFingerprint != null) { this.mOtrFingerprintBox.setVisibility(View.VISIBLE); - this.mOtrFingerprint.setText(CryptoHelper.prettifyFingerprint(fingerprint)); + this.mOtrFingerprint.setText(CryptoHelper.prettifyFingerprint(otrFingerprint)); this.mOtrFingerprintToClipboardButton .setVisibility(View.VISIBLE); this.mOtrFingerprintToClipboardButton @@ -487,7 +507,7 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate @Override public void onClick(final View v) { - if (copyTextToClipboard(fingerprint, R.string.otr_fingerprint)) { + if (copyTextToClipboard(otrFingerprint, R.string.otr_fingerprint)) { Toast.makeText( EditAccountActivity.this, R.string.toast_message_otr_fingerprint, @@ -498,6 +518,55 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate } else { this.mOtrFingerprintBox.setVisibility(View.GONE); } + final Set<Integer> ownDevices = this.mAccount.getAxolotlService().getOwnDeviceIds(); + if (ownDevices != null && !ownDevices.isEmpty()) { + this.mAxolotlDevicelistBox.setVisibility(View.VISIBLE); + this.mAxolotlDevicelist.setText(TextUtils.join(", ", ownDevices)); + this.mWipeAxolotlPepButton + .setVisibility(View.VISIBLE); + this.mWipeAxolotlPepButton + .setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(final View v) { + showWipePepDialog(); + } + }); + } else { + this.mAxolotlDevicelistBox.setVisibility(View.GONE); + } + final String axolotlFingerprint = this.mAccount.getAxolotlService().getOwnPublicKey().getFingerprint(); + if (axolotlFingerprint != null) { + this.mAxolotlFingerprintBox.setVisibility(View.VISIBLE); + this.mAxolotlFingerprint.setText(CryptoHelper.prettifyFingerprint(axolotlFingerprint)); + this.mAxolotlFingerprintToClipboardButton + .setVisibility(View.VISIBLE); + this.mAxolotlFingerprintToClipboardButton + .setOnClickListener(new View.OnClickListener() { + + @Override + public void onClick(final View v) { + + if (copyTextToClipboard(axolotlFingerprint, R.string.axolotl_fingerprint)) { + Toast.makeText( + EditAccountActivity.this, + R.string.toast_message_axolotl_fingerprint, + Toast.LENGTH_SHORT).show(); + } + } + }); + this.mRegenerateAxolotlKeyButton + .setVisibility(View.VISIBLE); + this.mRegenerateAxolotlKeyButton + .setOnClickListener(new View.OnClickListener() { + + @Override + public void onClick(final View v) { + showRegenerateAxolotlKeyDialog(); + } + }); + } else { + this.mAxolotlFingerprintBox.setVisibility(View.GONE); + } } else { if (this.mAccount.errorStatus()) { this.mAccountJid.setError(getString(this.mAccount.getStatus().getReadableId())); @@ -508,4 +577,36 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate this.mStats.setVisibility(View.GONE); } } + + public void showRegenerateAxolotlKeyDialog() { + Builder builder = new Builder(this); + builder.setTitle("Regenerate Key"); + builder.setIconAttribute(android.R.attr.alertDialogIcon); + builder.setMessage("Are you sure you want to regenerate your Identity Key? (This will also wipe all established sessions and contact Identity Keys)"); + builder.setNegativeButton(getString(R.string.cancel), null); + builder.setPositiveButton("Yes", + new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + mAccount.getAxolotlService().regenerateKeys(); + } + }); + builder.create().show(); + } + + public void showWipePepDialog() { + Builder builder = new Builder(this); + builder.setTitle("Wipe PEP"); + builder.setIconAttribute(android.R.attr.alertDialogIcon); + builder.setMessage("Are you sure you want to wipe all other devices from the PEP device ID list?"); + builder.setNegativeButton(getString(R.string.cancel), null); + builder.setPositiveButton("Yes", + new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + mAccount.getAxolotlService().wipeOtherPepDevices(); + } + }); + builder.create().show(); + } } diff --git a/src/main/java/eu/siacs/conversations/ui/XmppActivity.java b/src/main/java/eu/siacs/conversations/ui/XmppActivity.java index 934c696f..e916598f 100644 --- a/src/main/java/eu/siacs/conversations/ui/XmppActivity.java +++ b/src/main/java/eu/siacs/conversations/ui/XmppActivity.java @@ -266,6 +266,29 @@ public abstract class XmppActivity extends Activity { builder.create().show(); } + public void showAxolotlNoSessionsDialog() { + Builder builder = new AlertDialog.Builder(this); + builder.setTitle("No Sessions"); + builder.setIconAttribute(android.R.attr.alertDialogIcon); + builder.setMessage("Your contact is not Axolotl-capable!"); + builder.setNegativeButton(getString(R.string.cancel), null); + builder.setNeutralButton("Foo", + new OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, int which) { + } + }); + builder.setPositiveButton("Bar", + new OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, int which) { + } + }); + builder.create().show(); + } + abstract void onBackendConnected(); protected void registerListeners() { diff --git a/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java b/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java index 466bc409..8a1cf3e2 100644 --- a/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java +++ b/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java @@ -94,11 +94,10 @@ public final class CryptoHelper { if (fingerprint.length() < 40) { return fingerprint; } - StringBuilder builder = new StringBuilder(fingerprint); - builder.insert(8, " "); - builder.insert(17, " "); - builder.insert(26, " "); - builder.insert(35, " "); + StringBuilder builder = new StringBuilder(fingerprint.replaceAll("\\s","")); + for(int i=8;i<builder.length();i+=9) { + builder.insert(i, ' '); + } return builder.toString(); } diff --git a/src/main/java/eu/siacs/conversations/xml/Element.java b/src/main/java/eu/siacs/conversations/xml/Element.java index 32657c66..dc5a68f6 100644 --- a/src/main/java/eu/siacs/conversations/xml/Element.java +++ b/src/main/java/eu/siacs/conversations/xml/Element.java @@ -21,6 +21,11 @@ public class Element { this.name = name; } + public Element(String name, String xmlns) { + this.name = name; + this.setAttribute("xmlns", xmlns); + } + public Element addChild(Element child) { this.content = null; children.add(child); diff --git a/src/main/java/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java b/src/main/java/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java index e32811af..628f0d93 100644 --- a/src/main/java/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java +++ b/src/main/java/eu/siacs/conversations/xmpp/stanzas/MessagePacket.java @@ -29,6 +29,11 @@ public class MessagePacket extends AbstractStanza { this.children.add(0, body); } + public void setAxolotlMessage(Element axolotlMessage) { + this.children.remove(findChild("body")); + this.children.add(0, axolotlMessage); + } + public void setType(int type) { switch (type) { case TYPE_CHAT: diff --git a/src/main/res/layout/activity_edit_account.xml b/src/main/res/layout/activity_edit_account.xml index 7d84a4af..07eb115d 100644 --- a/src/main/res/layout/activity_edit_account.xml +++ b/src/main/res/layout/activity_edit_account.xml @@ -342,6 +342,107 @@ android:visibility="visible" android:contentDescription="@string/copy_otr_clipboard_description"/> </RelativeLayout> + <RelativeLayout + android:layout_width="wrap_content" + android:layout_height="match_parent" + android:id="@+id/axolotl_fingerprint_box" + android:layout_marginTop="32dp"> + + <LinearLayout + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:layout_alignParentLeft="true" + android:layout_toLeftOf="@+id/axolotl_actions" + android:orientation="vertical"> + + <TextView + android:id="@+id/axolotl_fingerprint" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:textColor="@color/primarytext" + android:textSize="?attr/TextSizeBody" + android:typeface="monospace" /> + + <TextView + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:textColor="@color/secondarytext" + android:textSize="?attr/TextSizeInfo" + android:text="@string/axolotl_fingerprint"/> + </LinearLayout> + + <LinearLayout + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:id="@+id/axolotl_actions" + android:layout_centerVertical="true" + android:layout_alignParentRight="true" + android:orientation="vertical"> + + <ImageButton + android:id="@+id/action_copy_axolotl_to_clipboard" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:background="?android:selectableItemBackground" + android:padding="@dimen/image_button_padding" + android:src="?attr/icon_copy" + android:visibility="visible" + android:contentDescription="@string/copy_axolotl_clipboard_description"/> + <ImageButton + android:id="@+id/action_regenerate_axolotl_key" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:background="?android:selectableItemBackground" + android:padding="@dimen/image_button_padding" + android:src="?attr/icon_refresh" + android:visibility="visible" + android:contentDescription="@string/regenerate_axolotl_key"/> + + </LinearLayout> + </RelativeLayout> + <RelativeLayout + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:id="@+id/axolotl_devices_box" + android:layout_marginTop="32dp"> + + <LinearLayout + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:layout_alignParentLeft="true" + android:layout_toLeftOf="@+id/action_wipe_axolotl_pep" + android:orientation="vertical"> + + <TextView + android:id="@+id/axolotl_devicelist" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:textColor="@color/primarytext" + android:textSize="?attr/TextSizeBody" + android:typeface="monospace" /> + + <TextView + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:textColor="@color/secondarytext" + android:textSize="?attr/TextSizeInfo" + android:text="@string/axolotl_devicelist"/> + </LinearLayout> + + <ImageButton + android:id="@+id/action_wipe_axolotl_pep" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:layout_centerVertical="true" + android:layout_alignParentRight="true" + android:background="?android:selectableItemBackground" + android:padding="@dimen/image_button_padding" + android:src="?attr/icon_remove" + android:visibility="visible" + android:contentDescription="@string/wipe_axolotl_pep"/> + + + </RelativeLayout> </LinearLayout> </LinearLayout> </ScrollView> diff --git a/src/main/res/menu/encryption_choices.xml b/src/main/res/menu/encryption_choices.xml index adf0ad8d..1b3fe76e 100644 --- a/src/main/res/menu/encryption_choices.xml +++ b/src/main/res/menu/encryption_choices.xml @@ -11,6 +11,9 @@ <item android:id="@+id/encryption_choice_pgp" android:title="@string/encryption_choice_pgp"/> + <item + android:id="@+id/encryption_choice_axolotl" + android:title="@string/encryption_choice_axolotl"/> </group> </menu>
\ No newline at end of file diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml index 444d9ecf..cdeff3e8 100644 --- a/src/main/res/values/strings.xml +++ b/src/main/res/values/strings.xml @@ -80,6 +80,7 @@ <string name="choose_presence">Choose presence to contact</string> <string name="send_plain_text_message">Send plain text message</string> <string name="send_otr_message">Send OTR encrypted message</string> + <string name="send_axolotl_message">Send Axolotl encrypted message</string> <string name="send_pgp_message">Send OpenPGP encrypted message</string> <string name="your_nick_has_been_changed">Your nickname has been changed</string> <string name="send_unencrypted">Send unencrypted</string> @@ -154,6 +155,7 @@ <string name="encryption_choice_none">Plain text</string> <string name="encryption_choice_otr">OTR</string> <string name="encryption_choice_pgp">OpenPGP</string> + <string name="encryption_choice_axolotl">Axolotl</string> <string name="mgmt_account_edit">Edit account</string> <string name="mgmt_account_delete">Delete account</string> <string name="mgmt_account_disable">Temporarily disable</string> @@ -206,6 +208,8 @@ <string name="reception_failed">Reception failed</string> <string name="your_fingerprint">Your fingerprint</string> <string name="otr_fingerprint">OTR fingerprint</string> + <string name="axolotl_fingerprint">Axolotl fingerprint</string> + <string name="axolotl_devicelist">Other own Axolotl Devices</string> <string name="verify">Verify</string> <string name="decrypt">Decrypt</string> <string name="conferences">Conferences</string> @@ -312,6 +316,7 @@ <string name="pref_conference_name">Conference name</string> <string name="pref_conference_name_summary">Use room’s subject instead of JID to identify conferences</string> <string name="toast_message_otr_fingerprint">OTR fingerprint copied to clipboard!</string> + <string name="toast_message_axolotl_fingerprint">Axolotl fingerprint copied to clipboard!</string> <string name="conference_banned">You are banned from this conference</string> <string name="conference_members_only">This conference is members only</string> <string name="conference_kicked">You have been kicked from this conference</string> @@ -379,6 +384,9 @@ <string name="reset">Reset</string> <string name="account_image_description">Account avatar</string> <string name="copy_otr_clipboard_description">Copy OTR fingerprint to clipboard</string> + <string name="copy_axolotl_clipboard_description">Copy Axolotl fingerprint to clipboard</string> + <string name="regenerate_axolotl_key">Copy Axolotl fingerprint to clipboard</string> + <string name="wipe_axolotl_pep">Wipe other devices from PEP</string> <string name="fetching_history_from_server">Fetching history from server</string> <string name="no_more_history_on_server">No more history on server</string> <string name="updating">Updating…</string> |