]> nmode's Git Repositories - signal-cli/blobdiff - src/main/java/org/asamk/signal/Manager.java
Update signal-service-java dependency
[signal-cli] / src / main / java / org / asamk / signal / Manager.java
index 61f03f08988b2245e40aaee2a6bae0472c3789d6..8e478d78d556df5a11c76f1260c6fff6d701af49 100644 (file)
@@ -35,7 +35,10 @@ import org.asamk.signal.storage.protocol.JsonIdentityKeyStore;
 import org.asamk.signal.storage.protocol.JsonSignalProtocolStore;
 import org.asamk.signal.storage.threads.JsonThreadStore;
 import org.asamk.signal.storage.threads.ThreadInfo;
+import org.asamk.signal.util.KeyUtils;
 import org.asamk.signal.util.Util;
+import org.signal.libsignal.metadata.*;
+import org.signal.libsignal.metadata.certificate.CertificateValidator;
 import org.whispersystems.libsignal.*;
 import org.whispersystems.libsignal.ecc.Curve;
 import org.whispersystems.libsignal.ecc.ECKeyPair;
@@ -52,17 +55,27 @@ import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
 import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
 import org.whispersystems.signalservice.api.SignalServiceMessageSender;
 import org.whispersystems.signalservice.api.crypto.SignalServiceCipher;
+import org.whispersystems.signalservice.api.crypto.UnidentifiedAccess;
+import org.whispersystems.signalservice.api.crypto.UnidentifiedAccessPair;
 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
 import org.whispersystems.signalservice.api.messages.*;
 import org.whispersystems.signalservice.api.messages.multidevice.*;
 import org.whispersystems.signalservice.api.push.ContactTokenDetails;
 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
 import org.whispersystems.signalservice.api.push.TrustStore;
-import org.whispersystems.signalservice.api.push.exceptions.*;
+import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
+import org.whispersystems.signalservice.api.push.exceptions.EncapsulatedExceptions;
+import org.whispersystems.signalservice.api.push.exceptions.NetworkFailureException;
+import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
 import org.whispersystems.signalservice.api.util.InvalidNumberException;
 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
+import org.whispersystems.signalservice.api.util.SleepTimer;
+import org.whispersystems.signalservice.api.util.UptimeSleepTimer;
+import org.whispersystems.signalservice.internal.configuration.SignalCdnUrl;
+import org.whispersystems.signalservice.internal.configuration.SignalContactDiscoveryUrl;
+import org.whispersystems.signalservice.internal.configuration.SignalServiceConfiguration;
+import org.whispersystems.signalservice.internal.configuration.SignalServiceUrl;
 import org.whispersystems.signalservice.internal.push.SignalServiceProtos;
-import org.whispersystems.signalservice.internal.push.SignalServiceUrl;
 import org.whispersystems.signalservice.internal.util.Base64;
 
 import java.io.*;
@@ -87,8 +100,14 @@ import static java.nio.file.attribute.PosixFilePermission.*;
 
 class Manager implements Signal {
     private final static String URL = "https://textsecure-service.whispersystems.org";
+    private final static String CDN_URL = "https://cdn.signal.org";
     private final static TrustStore TRUST_STORE = new WhisperTrustStore();
-    private final static SignalServiceUrl[] serviceUrls = new SignalServiceUrl[]{new SignalServiceUrl(URL, TRUST_STORE)};
+    private final static SignalServiceConfiguration serviceConfiguration = new SignalServiceConfiguration(
+            new SignalServiceUrl[]{new SignalServiceUrl(URL, TRUST_STORE)},
+            new SignalCdnUrl[]{new SignalCdnUrl(CDN_URL, TRUST_STORE)},
+            new SignalContactDiscoveryUrl[0]
+    );
+    private final static String UNIDENTIFIED_SENDER_TRUST_ROOT = "BXu6QIKVz5MA8gstzfOgRQGqyLqOwNKHL6INkv3IHWMF";
 
     public final static String PROJECT_NAME = Manager.class.getPackage().getImplementationTitle();
     public final static String PROJECT_VERSION = Manager.class.getPackage().getImplementationVersion();
@@ -109,8 +128,11 @@ class Manager implements Signal {
     private final ObjectMapper jsonProcessor = new ObjectMapper();
     private String username;
     private int deviceId = SignalServiceAddress.DEFAULT_DEVICE_ID;
+    private boolean isMultiDevice = false;
     private String password;
+    private String registrationLockPin;
     private String signalingKey;
+    private byte[] profileKey;
     private int preKeyIdOffset;
     private int nextSignedPreKeyId;
 
@@ -122,6 +144,9 @@ class Manager implements Signal {
     private JsonContactsStore contactStore;
     private JsonThreadStore threadStore;
     private SignalServiceMessagePipe messagePipe = null;
+    private SignalServiceMessagePipe unidentifiedMessagePipe = null;
+
+    private SleepTimer timer = new UptimeSleepTimer();
 
     public Manager(String username, String settingsPath) {
         this.username = username;
@@ -231,7 +256,7 @@ class Manager implements Signal {
 
         migrateLegacyConfigs();
 
-        accountManager = new SignalServiceAccountManager(serviceUrls, username, password, deviceId, USER_AGENT);
+        accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, deviceId, USER_AGENT, timer);
         try {
             if (registered && accountManager.getPreKeysCount() < PREKEY_MINIMUM_COUNT) {
                 refreshPreKeys();
@@ -252,6 +277,8 @@ class Manager implements Signal {
         }
         username = getNotNullNode(rootNode, "username").asText();
         password = getNotNullNode(rootNode, "password").asText();
+        JsonNode pinNode = rootNode.get("registrationLockPin");
+        registrationLockPin = pinNode == null ? null : pinNode.asText();
         if (rootNode.has("signalingKey")) {
             signalingKey = getNotNullNode(rootNode, "signalingKey").asText();
         }
@@ -265,6 +292,13 @@ class Manager implements Signal {
         } else {
             nextSignedPreKeyId = 0;
         }
+        if (rootNode.has("profileKey")) {
+            profileKey = Base64.decode(getNotNullNode(rootNode, "profileKey").asText());
+        } else {
+            // Old config file, creating new profile key
+            profileKey = KeyUtils.createProfileKey();
+        }
+
         signalProtocolStore = jsonProcessor.convertValue(getNotNullNode(rootNode, "axolotlStore"), JsonSignalProtocolStore.class);
         registered = getNotNullNode(rootNode, "registered").asBoolean();
         JsonNode groupStoreNode = rootNode.get("groupStore");
@@ -320,6 +354,7 @@ class Manager implements Signal {
         rootNode.put("username", username)
                 .put("deviceId", deviceId)
                 .put("password", password)
+                .put("registrationLockPin", registrationLockPin)
                 .put("signalingKey", signalingKey)
                 .put("preKeyIdOffset", preKeyIdOffset)
                 .put("nextSignedPreKeyId", nextSignedPreKeyId)
@@ -354,9 +389,9 @@ class Manager implements Signal {
     }
 
     public void register(boolean voiceVerification) throws IOException {
-        password = Util.getSecret(18);
+        password = KeyUtils.createPassword();
 
-        accountManager = new SignalServiceAccountManager(serviceUrls, username, password, USER_AGENT);
+        accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, USER_AGENT, timer);
 
         if (voiceVerification)
             accountManager.requestVoiceVerificationCode();
@@ -368,7 +403,7 @@ class Manager implements Signal {
     }
 
     public void updateAccountAttributes() throws IOException {
-        accountManager.setAccountAttributes(signalingKey, signalProtocolStore.getLocalRegistrationId(), false, false, true);
+        accountManager.setAccountAttributes(signalingKey, signalProtocolStore.getLocalRegistrationId(), true, registrationLockPin, getSelfUnidentifiedAccessKey(), false);
     }
 
     public void unregister() throws IOException {
@@ -379,9 +414,9 @@ class Manager implements Signal {
     }
 
     public URI getDeviceLinkUri() throws TimeoutException, IOException {
-        password = Util.getSecret(18);
+        password = KeyUtils.createPassword();
 
-        accountManager = new SignalServiceAccountManager(serviceUrls, username, password, USER_AGENT);
+        accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, USER_AGENT, timer);
         String uuid = accountManager.getNewDeviceUuid();
 
         registered = false;
@@ -394,7 +429,7 @@ class Manager implements Signal {
     }
 
     public void finishDeviceLink(String deviceName) throws IOException, InvalidKeyException, TimeoutException, UserAlreadyExists {
-        signalingKey = Util.getSecret(52);
+        signalingKey = KeyUtils.createSignalingKey();
         SignalServiceAccountManager.NewDeviceRegistrationReturn ret = accountManager.finishNewDeviceRegistration(signalProtocolStore.getIdentityKeyPair(), signalingKey, false, true, signalProtocolStore.getLocalRegistrationId(), deviceName);
         deviceId = ret.getDeviceId();
         username = ret.getNumber();
@@ -405,6 +440,7 @@ class Manager implements Signal {
         signalProtocolStore = new JsonSignalProtocolStore(ret.getIdentity(), signalProtocolStore.getLocalRegistrationId());
 
         registered = true;
+        isMultiDevice = true;
         refreshPreKeys();
 
         requestSyncGroups();
@@ -414,7 +450,9 @@ class Manager implements Signal {
     }
 
     public List<DeviceInfo> getLinkedDevices() throws IOException {
-        return accountManager.getDevices();
+        List<DeviceInfo> devices = accountManager.getDevices();
+        isMultiDevice = devices.size() > 1;
+        return devices;
     }
 
     public void removeLinkedDevices(int deviceId) throws IOException {
@@ -426,14 +464,15 @@ class Manager implements Signal {
         Map<String, String> map = new HashMap<>();
         for (String param : params) {
             String name = null;
+            final String[] paramParts = param.split("=");
             try {
-                name = URLDecoder.decode(param.split("=")[0], "utf-8");
+                name = URLDecoder.decode(paramParts[0], "utf-8");
             } catch (UnsupportedEncodingException e) {
                 // Impossible
             }
             String value = null;
             try {
-                value = URLDecoder.decode(param.split("=")[1], "utf-8");
+                value = URLDecoder.decode(paramParts[1], "utf-8");
             } catch (UnsupportedEncodingException e) {
                 // Impossible
             }
@@ -460,7 +499,8 @@ class Manager implements Signal {
         IdentityKeyPair identityKeyPair = signalProtocolStore.getIdentityKeyPair();
         String verificationCode = accountManager.getNewDeviceVerificationCode();
 
-        accountManager.addDevice(deviceIdentifier, deviceKey, identityKeyPair, verificationCode);
+        accountManager.addDevice(deviceIdentifier, deviceKey, identityKeyPair, Optional.of(profileKey), verificationCode);
+        isMultiDevice = true;
     }
 
     private List<PreKeyRecord> generatePreKeys() {
@@ -481,24 +521,6 @@ class Manager implements Signal {
         return records;
     }
 
-    private PreKeyRecord getOrGenerateLastResortPreKey() {
-        if (signalProtocolStore.containsPreKey(Medium.MAX_VALUE)) {
-            try {
-                return signalProtocolStore.loadPreKey(Medium.MAX_VALUE);
-            } catch (InvalidKeyIdException e) {
-                signalProtocolStore.removePreKey(Medium.MAX_VALUE);
-            }
-        }
-
-        ECKeyPair keyPair = Curve.generateKeyPair();
-        PreKeyRecord record = new PreKeyRecord(Medium.MAX_VALUE, keyPair);
-
-        signalProtocolStore.storePreKey(Medium.MAX_VALUE, record);
-        save();
-
-        return record;
-    }
-
     private SignedPreKeyRecord generateSignedPreKey(IdentityKeyPair identityKeyPair) {
         try {
             ECKeyPair keyPair = Curve.generateKeyPair();
@@ -515,24 +537,33 @@ class Manager implements Signal {
         }
     }
 
-    public void verifyAccount(String verificationCode) throws IOException {
+    public void verifyAccount(String verificationCode, String pin) throws IOException {
         verificationCode = verificationCode.replace("-", "");
-        signalingKey = Util.getSecret(52);
-        accountManager.verifyAccountWithCode(verificationCode, signalingKey, signalProtocolStore.getLocalRegistrationId(), false, false, true);
+        signalingKey = KeyUtils.createSignalingKey();
+        accountManager.verifyAccountWithCode(verificationCode, signalingKey, signalProtocolStore.getLocalRegistrationId(), true, pin, getSelfUnidentifiedAccessKey(), false);
 
         //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
         registered = true;
+        registrationLockPin = pin;
 
         refreshPreKeys();
         save();
     }
 
+    public void setRegistrationLockPin(Optional<String> pin) throws IOException {
+        accountManager.setPin(pin);
+        if (pin.isPresent()) {
+            registrationLockPin = pin.get();
+        } else {
+            registrationLockPin = null;
+        }
+    }
+
     private void refreshPreKeys() throws IOException {
         List<PreKeyRecord> oneTimePreKeys = generatePreKeys();
-        PreKeyRecord lastResortKey = getOrGenerateLastResortPreKey();
         SignedPreKeyRecord signedPreKeyRecord = generateSignedPreKey(signalProtocolStore.getIdentityKeyPair());
 
-        accountManager.setPreKeys(signalProtocolStore.getIdentityKeyPair().getPublicKey(), lastResortKey, signedPreKeyRecord, oneTimePreKeys);
+        accountManager.setPreKeys(signalProtocolStore.getIdentityKeyPair().getPublicKey(), signedPreKeyRecord, oneTimePreKeys);
     }
 
 
@@ -558,8 +589,10 @@ class Manager implements Signal {
         if (mime == null) {
             mime = "application/octet-stream";
         }
-        // TODO mabybe add a parameter to set the voiceNote and preview option
-        return new SignalServiceAttachmentStream(attachmentStream, mime, attachmentSize, Optional.of(attachmentFile.getName()), false, Optional.<byte[]>absent(), null);
+        // TODO mabybe add a parameter to set the voiceNote, preview, width, height and caption option
+        Optional<byte[]> preview = Optional.absent();
+        Optional<String> caption = Optional.absent();
+        return new SignalServiceAttachmentStream(attachmentStream, mime, attachmentSize, Optional.of(attachmentFile.getName()), false, preview, 0, 0, caption, null);
     }
 
     private Optional<SignalServiceAttachmentStream> createGroupAvatarAttachment(byte[] groupId) throws IOException {
@@ -621,7 +654,7 @@ class Manager implements Signal {
         // Don't send group message to ourself
         final List<String> membersSend = new ArrayList<>(g.members);
         membersSend.remove(this.username);
-        sendMessage(messageBuilder, membersSend);
+        sendMessageLegacy(messageBuilder, membersSend);
     }
 
     public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions {
@@ -636,7 +669,7 @@ class Manager implements Signal {
         g.members.remove(this.username);
         groupStore.updateGroup(g);
 
-        sendMessage(messageBuilder, g.members);
+        sendMessageLegacy(messageBuilder, g.members);
     }
 
     private static String join(CharSequence separator, Iterable<? extends CharSequence> list) {
@@ -655,7 +688,7 @@ class Manager implements Signal {
         GroupInfo g;
         if (groupId == null) {
             // Create new group
-            g = new GroupInfo(Util.getSecretBytes(16));
+            g = new GroupInfo(KeyUtils.createGroupId());
             g.members.add(username);
         } else {
             g = getGroupForSending(groupId);
@@ -706,7 +739,7 @@ class Manager implements Signal {
         // Don't send group message to ourself
         final List<String> membersSend = new ArrayList<>(g.members);
         membersSend.remove(this.username);
-        sendMessage(messageBuilder, membersSend);
+        sendMessageLegacy(messageBuilder, membersSend);
         return g.groupId;
     }
 
@@ -725,7 +758,7 @@ class Manager implements Signal {
         // Send group message only to the recipient who requested it
         final List<String> membersSend = new ArrayList<>();
         membersSend.add(recipient);
-        sendMessage(messageBuilder, membersSend);
+        sendMessageLegacy(messageBuilder, membersSend);
     }
 
     private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfo g) {
@@ -761,7 +794,7 @@ class Manager implements Signal {
         // Send group info request message to the recipient who sent us a message with this groupId
         final List<String> membersSend = new ArrayList<>();
         membersSend.add(recipient);
-        sendMessage(messageBuilder, membersSend);
+        sendMessageLegacy(messageBuilder, membersSend);
     }
 
     @Override
@@ -780,7 +813,7 @@ class Manager implements Signal {
         if (attachments != null) {
             messageBuilder.withAttachments(getSignalServiceAttachments(attachments));
         }
-        sendMessage(messageBuilder, recipients);
+        sendMessageLegacy(messageBuilder, recipients);
     }
 
     @Override
@@ -788,7 +821,7 @@ class Manager implements Signal {
         SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
                 .asEndSessionMessage();
 
-        sendMessage(messageBuilder, recipients);
+        sendMessageLegacy(messageBuilder, recipients);
     }
 
     @Override
@@ -816,6 +849,16 @@ class Manager implements Signal {
         save();
     }
 
+    @Override
+    public List<byte[]> getGroupIds() {
+        List<GroupInfo> groups = getGroups();
+        List<byte[]> ids = new ArrayList<byte[]>(groups.size());
+        for (GroupInfo group : groups) {
+            ids.add(group.groupId);
+        }
+        return ids;
+    }
+
     @Override
     public String getGroupName(byte[] groupId) {
         GroupInfo group = getGroup(groupId);
@@ -873,42 +916,97 @@ class Manager implements Signal {
         }
     }
 
+    private byte[] getSelfUnidentifiedAccessKey() {
+        return UnidentifiedAccess.deriveAccessKeyFrom(profileKey);
+    }
+
+    private static byte[] getTargetUnidentifiedAccessKey(SignalServiceAddress recipient) {
+        // TODO implement
+        return null;
+    }
+
+    public Optional<UnidentifiedAccessPair> getAccessForSync() {
+        // TODO implement
+        return Optional.absent();
+    }
+
+    public List<Optional<UnidentifiedAccessPair>> getAccessFor(Collection<SignalServiceAddress> recipients) {
+        List<Optional<UnidentifiedAccessPair>> result = new ArrayList<>(recipients.size());
+        for (SignalServiceAddress recipient : recipients) {
+            result.add(Optional.<UnidentifiedAccessPair>absent());
+        }
+        return result;
+    }
+
+    public Optional<UnidentifiedAccessPair> getAccessFor(SignalServiceAddress recipient) {
+        // TODO implement
+        return Optional.absent();
+    }
+
     private void sendSyncMessage(SignalServiceSyncMessage message)
             throws IOException, UntrustedIdentityException {
-        SignalServiceMessageSender messageSender = new SignalServiceMessageSender(serviceUrls, username, password,
-                deviceId, signalProtocolStore, USER_AGENT, Optional.fromNullable(messagePipe), Optional.<SignalServiceMessageSender.EventListener>absent());
+        SignalServiceMessageSender messageSender = new SignalServiceMessageSender(serviceConfiguration, username, password,
+                deviceId, signalProtocolStore, USER_AGENT, isMultiDevice, Optional.fromNullable(messagePipe), Optional.fromNullable(unidentifiedMessagePipe), Optional.<SignalServiceMessageSender.EventListener>absent());
         try {
-            messageSender.sendMessage(message);
+            messageSender.sendMessage(message, getAccessForSync());
         } catch (UntrustedIdentityException e) {
             signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED);
             throw e;
         }
     }
 
-    private void sendMessage(SignalServiceDataMessage.Builder messageBuilder, Collection<String> recipients)
+    /**
+     * This method throws an EncapsulatedExceptions exception instead of returning a list of SendMessageResult.
+     */
+    private void sendMessageLegacy(SignalServiceDataMessage.Builder messageBuilder, Collection<String> recipients)
             throws EncapsulatedExceptions, IOException {
+        List<SendMessageResult> results = sendMessage(messageBuilder, recipients);
+
+        List<UntrustedIdentityException> untrustedIdentities = new LinkedList<>();
+        List<UnregisteredUserException> unregisteredUsers = new LinkedList<>();
+        List<NetworkFailureException> networkExceptions = new LinkedList<>();
+
+        for (SendMessageResult result : results) {
+            if (result.isUnregisteredFailure()) {
+                unregisteredUsers.add(new UnregisteredUserException(result.getAddress().getNumber(), null));
+            } else if (result.isNetworkFailure()) {
+                networkExceptions.add(new NetworkFailureException(result.getAddress().getNumber(), null));
+            } else if (result.getIdentityFailure() != null) {
+                untrustedIdentities.add(new UntrustedIdentityException("Untrusted", result.getAddress().getNumber(), result.getIdentityFailure().getIdentityKey()));
+            }
+        }
+        if (!untrustedIdentities.isEmpty() || !unregisteredUsers.isEmpty() || !networkExceptions.isEmpty()) {
+            throw new EncapsulatedExceptions(untrustedIdentities, unregisteredUsers, networkExceptions);
+        }
+    }
+
+    private List<SendMessageResult> sendMessage(SignalServiceDataMessage.Builder messageBuilder, Collection<String> recipients)
+            throws IOException {
         Set<SignalServiceAddress> recipientsTS = getSignalServiceAddresses(recipients);
-        if (recipientsTS == null) return;
+        if (recipientsTS == null) return Collections.emptyList();
 
         SignalServiceDataMessage message = null;
         try {
-            SignalServiceMessageSender messageSender = new SignalServiceMessageSender(serviceUrls, username, password,
-                    deviceId, signalProtocolStore, USER_AGENT, Optional.fromNullable(messagePipe), Optional.<SignalServiceMessageSender.EventListener>absent());
+            SignalServiceMessageSender messageSender = new SignalServiceMessageSender(serviceConfiguration, username, password,
+                    deviceId, signalProtocolStore, USER_AGENT, isMultiDevice, Optional.fromNullable(messagePipe), Optional.fromNullable(unidentifiedMessagePipe), Optional.<SignalServiceMessageSender.EventListener>absent());
 
             message = messageBuilder.build();
             if (message.getGroupInfo().isPresent()) {
                 try {
-                    messageSender.sendMessage(new ArrayList<>(recipientsTS), message);
-                } catch (EncapsulatedExceptions encapsulatedExceptions) {
-                    for (UntrustedIdentityException e : encapsulatedExceptions.getUntrustedIdentityExceptions()) {
-                        signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED);
+                    List<SendMessageResult> result = messageSender.sendMessage(new ArrayList<>(recipientsTS), getAccessFor(recipientsTS), message);
+                    for (SendMessageResult r : result) {
+                        if (r.getIdentityFailure() != null) {
+                            signalProtocolStore.saveIdentity(r.getAddress().getNumber(), r.getIdentityFailure().getIdentityKey(), TrustLevel.UNTRUSTED);
+                        }
                     }
+                    return result;
+                } catch (UntrustedIdentityException e) {
+                    signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED);
+                    return Collections.emptyList();
                 }
             } else {
                 // Send to all individually, so sync messages are sent correctly
-                List<UntrustedIdentityException> untrustedIdentities = new LinkedList<>();
-                List<UnregisteredUserException> unregisteredUsers = new LinkedList<>();
-                List<NetworkFailureException> networkExceptions = new LinkedList<>();
+                List<SendMessageResult> results = new ArrayList<>(recipientsTS.size());
                 for (SignalServiceAddress address : recipientsTS) {
                     ThreadInfo thread = threadStore.getThread(address.getNumber());
                     if (thread != null) {
@@ -918,19 +1016,14 @@ class Manager implements Signal {
                     }
                     message = messageBuilder.build();
                     try {
-                        messageSender.sendMessage(address, message);
+                        SendMessageResult result = messageSender.sendMessage(address, getAccessFor(address), message);
+                        results.add(result);
                     } catch (UntrustedIdentityException e) {
                         signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED);
-                        untrustedIdentities.add(e);
-                    } catch (UnregisteredUserException e) {
-                        unregisteredUsers.add(e);
-                    } catch (PushNetworkException e) {
-                        networkExceptions.add(new NetworkFailureException(address.getNumber(), e));
+                        results.add(SendMessageResult.identityFailure(address, e.getIdentityKey()));
                     }
                 }
-                if (!untrustedIdentities.isEmpty() || !unregisteredUsers.isEmpty() || !networkExceptions.isEmpty()) {
-                    throw new EncapsulatedExceptions(untrustedIdentities, unregisteredUsers, networkExceptions);
-                }
+                return results;
             }
         } finally {
             if (message != null && message.isEndSession()) {
@@ -957,12 +1050,22 @@ class Manager implements Signal {
         return recipientsTS;
     }
 
-    private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) throws NoSessionException, LegacyMessageException, InvalidVersionException, InvalidMessageException, DuplicateMessageException, InvalidKeyException, InvalidKeyIdException, org.whispersystems.libsignal.UntrustedIdentityException {
-        SignalServiceCipher cipher = new SignalServiceCipher(new SignalServiceAddress(username), signalProtocolStore);
+    public static CertificateValidator getCertificateValidator() {
+        try {
+            ECPublicKey unidentifiedSenderTrustRoot = Curve.decodePoint(Base64.decode(UNIDENTIFIED_SENDER_TRUST_ROOT), 0);
+            return new CertificateValidator(unidentifiedSenderTrustRoot);
+        } catch (InvalidKeyException | IOException e) {
+            throw new AssertionError(e);
+        }
+    }
+
+    private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) throws org.whispersystems.libsignal.UntrustedIdentityException, InvalidMetadataMessageException, ProtocolInvalidMessageException, ProtocolDuplicateMessageException, ProtocolLegacyMessageException, ProtocolInvalidKeyIdException, InvalidMetadataVersionException, ProtocolInvalidVersionException, ProtocolNoSessionException, ProtocolInvalidKeyException, ProtocolUntrustedIdentityException, SelfSendException {
+        SignalServiceCipher cipher = new SignalServiceCipher(new SignalServiceAddress(username), signalProtocolStore, getCertificateValidator());
         try {
             return cipher.decrypt(envelope);
-        } catch (org.whispersystems.libsignal.UntrustedIdentityException e) {
-            signalProtocolStore.saveIdentity(e.getName(), e.getUntrustedIdentity(), TrustLevel.UNTRUSTED);
+        } catch (ProtocolUntrustedIdentityException e) {
+            // TODO We don't get the new untrusted identity from ProtocolUntrustedIdentityException anymore ... we need to get it from somewhere else
+//            signalProtocolStore.saveIdentity(e.getSender(), e.getUntrustedIdentity(), TrustLevel.UNTRUSTED);
             throw e;
         }
     }
@@ -1073,6 +1176,14 @@ class Manager implements Signal {
                 }
             }
         }
+        if (message.getProfileKey().isPresent() && message.getProfileKey().get().length == 32) {
+            ContactInfo contact = contactStore.getContact(source);
+            if (contact == null) {
+                contact = new ContactInfo();
+                contact.number = source;
+            }
+            contact.profileKey = Base64.encodeBytes(message.getProfileKey().get());
+        }
     }
 
     public void retryFailedReceivedMessages(ReceiveMessageHandler handler, boolean ignoreAttachments) {
@@ -1116,12 +1227,14 @@ class Manager implements Signal {
                     System.err.println("Failed to delete cached message file “" + fileEntry + "”: " + e.getMessage());
                 }
             }
+            // Try to delete directory if empty
+            dir.delete();
         }
     }
 
     public void receiveMessages(long timeout, TimeUnit unit, boolean returnOnTimeout, boolean ignoreAttachments, ReceiveMessageHandler handler) throws IOException {
         retryFailedReceivedMessages(handler, ignoreAttachments);
-        final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceUrls, username, password, deviceId, signalingKey, USER_AGENT);
+        final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceConfiguration, username, password, deviceId, signalingKey, USER_AGENT, null, timer);
 
         try {
             if (messagePipe == null) {
@@ -1169,6 +1282,8 @@ class Manager implements Signal {
                     try {
                         cacheFile = getMessageCacheFile(envelope.getSource(), now, envelope.getTimestamp());
                         Files.delete(cacheFile.toPath());
+                        // Try to delete directory if empty
+                        new File(getMessageCachePath()).delete();
                     } catch (IOException e) {
                         System.err.println("Failed to delete cached message file “" + cacheFile + "”: " + e.getMessage());
                     }
@@ -1189,6 +1304,7 @@ class Manager implements Signal {
                 handleSignalServiceDataMessage(message, false, envelope.getSource(), username, ignoreAttachments);
             }
             if (content.getSyncMessage().isPresent()) {
+                isMultiDevice = true;
                 SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
                 if (syncMessage.getSent().isPresent()) {
                     SignalServiceDataMessage message = syncMessage.getSent().get().getMessage();
@@ -1199,7 +1315,6 @@ class Manager implements Signal {
                     if (rm.isContactsRequest()) {
                         try {
                             sendContacts();
-                            sendVerifiedMessage();
                         } catch (UntrustedIdentityException | IOException e) {
                             e.printStackTrace();
                         }
@@ -1229,6 +1344,9 @@ class Manager implements Signal {
                                 }
                                 syncGroup.members.addAll(g.getMembers());
                                 syncGroup.active = g.isActive();
+                                if (g.getColor().isPresent()) {
+                                    syncGroup.color = g.getColor().get();
+                                }
 
                                 if (g.getAvatar().isPresent()) {
                                     retrieveGroupAvatarAttachment(g.getAvatar().get(), syncGroup.groupId);
@@ -1274,6 +1392,21 @@ class Manager implements Signal {
                                 if (c.getColor().isPresent()) {
                                     contact.color = c.getColor().get();
                                 }
+                                if (c.getProfileKey().isPresent()) {
+                                    contact.profileKey = Base64.encodeBytes(c.getProfileKey().get());
+                                }
+                                if (c.getVerified().isPresent()) {
+                                    final VerifiedMessage verifiedMessage = c.getVerified().get();
+                                    signalProtocolStore.saveIdentity(verifiedMessage.getDestination(), verifiedMessage.getIdentityKey(), TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
+                                }
+                                if (c.getExpirationTimer().isPresent()) {
+                                    ThreadInfo thread = threadStore.getThread(c.getNumber());
+                                    thread.messageExpirationTime = c.getExpirationTimer().get();
+                                    threadStore.updateThread(thread);
+                                }
+                                if (c.isBlocked()) {
+                                    // TODO store list of blocked numbers
+                                }
                                 contactStore.updateContact(contact);
 
                                 if (c.getAvatar().isPresent()) {
@@ -1294,10 +1427,8 @@ class Manager implements Signal {
                     }
                 }
                 if (syncMessage.getVerified().isPresent()) {
-                    final List<VerifiedMessage> verifiedList = syncMessage.getVerified().get();
-                    for (VerifiedMessage v : verifiedList) {
-                        signalProtocolStore.saveIdentity(v.getDestination(), v.getIdentityKey(), TrustLevel.fromVerifiedState(v.getVerified()));
-                    }
+                    final VerifiedMessage verifiedMessage = syncMessage.getVerified().get();
+                    signalProtocolStore.saveIdentity(verifiedMessage.getDestination(), verifiedMessage.getIdentityKey(), TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
                 }
             }
         }
@@ -1307,13 +1438,16 @@ class Manager implements Signal {
         try (FileInputStream f = new FileInputStream(file)) {
             DataInputStream in = new DataInputStream(f);
             int version = in.readInt();
-            if (version != 1) {
+            if (version > 2) {
                 return null;
             }
             int type = in.readInt();
             String source = in.readUTF();
             int sourceDevice = in.readInt();
-            String relay = in.readUTF();
+            if (version == 1) {
+                // read legacy relay field
+                in.readUTF();
+            }
             long timestamp = in.readLong();
             byte[] content = null;
             int contentLen = in.readInt();
@@ -1327,18 +1461,26 @@ class Manager implements Signal {
                 legacyMessage = new byte[legacyMessageLen];
                 in.readFully(legacyMessage);
             }
-            return new SignalServiceEnvelope(type, source, sourceDevice, relay, timestamp, legacyMessage, content);
+            long serverTimestamp = 0;
+            String uuid = null;
+            if (version == 2) {
+                serverTimestamp = in.readLong();
+                uuid = in.readUTF();
+                if ("".equals(uuid)) {
+                    uuid = null;
+                }
+            }
+            return new SignalServiceEnvelope(type, source, sourceDevice, timestamp, legacyMessage, content, serverTimestamp, uuid);
         }
     }
 
     private void storeEnvelope(SignalServiceEnvelope envelope, File file) throws IOException {
         try (FileOutputStream f = new FileOutputStream(file)) {
             try (DataOutputStream out = new DataOutputStream(f)) {
-                out.writeInt(1); // version
+                out.writeInt(2); // version
                 out.writeInt(envelope.getType());
                 out.writeUTF(envelope.getSource());
                 out.writeInt(envelope.getSourceDevice());
-                out.writeUTF(envelope.getRelay());
                 out.writeLong(envelope.getTimestamp());
                 if (envelope.hasContent()) {
                     out.writeInt(envelope.getContent().length);
@@ -1352,6 +1494,9 @@ class Manager implements Signal {
                 } else {
                     out.writeInt(0);
                 }
+                out.writeLong(envelope.getServerTimestamp());
+                String uuid = envelope.getUuid();
+                out.writeUTF(uuid == null ? "" : uuid);
             }
         }
     }
@@ -1424,7 +1569,7 @@ class Manager implements Signal {
             }
         }
 
-        final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceUrls, username, password, deviceId, signalingKey, USER_AGENT);
+        final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceConfiguration, username, password, deviceId, signalingKey, USER_AGENT, null, timer);
 
         File tmpFile = Util.createTempFile();
         try (InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile, MAX_ATTACHMENT_SIZE)) {
@@ -1450,7 +1595,7 @@ class Manager implements Signal {
     }
 
     private InputStream retrieveAttachmentAsStream(SignalServiceAttachmentPointer pointer, File tmpFile) throws IOException, InvalidMessageException {
-        final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceUrls, username, password, deviceId, signalingKey, USER_AGENT);
+        final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceConfiguration, username, password, deviceId, signalingKey, USER_AGENT, null, timer);
         return messageReceiver.retrieveAttachment(pointer, tmpFile, MAX_ATTACHMENT_SIZE);
     }
 
@@ -1476,9 +1621,11 @@ class Manager implements Signal {
             try (OutputStream fos = new FileOutputStream(groupsFile)) {
                 DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(fos);
                 for (GroupInfo record : groupStore.getGroups()) {
+                    ThreadInfo info = threadStore.getThread(Base64.encodeBytes(record.groupId));
                     out.write(new DeviceGroup(record.groupId, Optional.fromNullable(record.name),
                             new ArrayList<>(record.members), createGroupAvatarAttachment(record.groupId),
-                            record.active));
+                            record.active, Optional.fromNullable(info != null ? info.messageExpirationTime : null),
+                            Optional.fromNullable(record.color), false));
                 }
             }
 
@@ -1509,8 +1656,26 @@ class Manager implements Signal {
             try (OutputStream fos = new FileOutputStream(contactsFile)) {
                 DeviceContactsOutputStream out = new DeviceContactsOutputStream(fos);
                 for (ContactInfo record : contactStore.getContacts()) {
+                    VerifiedMessage verifiedMessage = null;
+                    ThreadInfo info = threadStore.getThread(record.number);
+                    if (getIdentities().containsKey(record.number)) {
+                        JsonIdentityKeyStore.Identity currentIdentity = null;
+                        for (JsonIdentityKeyStore.Identity id : getIdentities().get(record.number)) {
+                            if (currentIdentity == null || id.getDateAdded().after(currentIdentity.getDateAdded())) {
+                                currentIdentity = id;
+                            }
+                        }
+                        if (currentIdentity != null) {
+                            verifiedMessage = new VerifiedMessage(record.number, currentIdentity.getIdentityKey(), currentIdentity.getTrustLevel().toVerifiedState(), currentIdentity.getDateAdded().getTime());
+                        }
+                    }
+
+                    byte[] profileKey = record.profileKey == null ? null : Base64.decode(record.profileKey);
+                    // TODO store list of blocked numbers
+                    boolean blocked = false;
                     out.write(new DeviceContact(record.number, Optional.fromNullable(record.name),
-                            createContactAvatarAttachment(record.number), Optional.fromNullable(record.color)));
+                            createContactAvatarAttachment(record.number), Optional.fromNullable(record.color),
+                            Optional.fromNullable(verifiedMessage), Optional.fromNullable(profileKey), blocked, Optional.fromNullable(info != null ? info.messageExpirationTime : null)));
                 }
             }
 
@@ -1534,23 +1699,8 @@ class Manager implements Signal {
         }
     }
 
-    private void sendVerifiedMessage() throws IOException, UntrustedIdentityException {
-        List<VerifiedMessage> verifiedMessages = new LinkedList<>();
-        for (Map.Entry<String, List<JsonIdentityKeyStore.Identity>> x : getIdentities().entrySet()) {
-            final String name = x.getKey();
-            for (JsonIdentityKeyStore.Identity id : x.getValue()) {
-                if (id.getTrustLevel() == TrustLevel.TRUSTED_UNVERIFIED) {
-                    continue;
-                }
-                VerifiedMessage verifiedMessage = new VerifiedMessage(name, id.getIdentityKey(), id.getTrustLevel().toVerifiedState());
-                verifiedMessages.add(verifiedMessage);
-            }
-        }
-        sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessages));
-    }
-
     private void sendVerifiedMessage(String destination, IdentityKey identityKey, TrustLevel trustLevel) throws IOException, UntrustedIdentityException {
-        VerifiedMessage verifiedMessage = new VerifiedMessage(destination, identityKey, trustLevel.toVerifiedState());
+        VerifiedMessage verifiedMessage = new VerifiedMessage(destination, identityKey, trustLevel.toVerifiedState(), System.currentTimeMillis());
         sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage));
     }