Update signal-service-java dependency

[signal-cli] / src / main / java / org / asamk / signal / Manager.java

diff --git a/src/main/java/org/asamk/signal/Manager.java b/src/main/java/org/asamk/signal/Manager.java
index a38d313f516e2fa93f52a7f5b11dea02ce855c46..8e478d78d556df5a11c76f1260c6fff6d701af49 100644 (file)
--- a/src/main/java/org/asamk/signal/Manager.java
+++ b/src/main/java/org/asamk/signal/Manager.java
@@ -35,8 +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.storage.protocol.JsonSignalProtocolStore;
 import org.asamk.signal.storage.threads.JsonThreadStore;
 import org.asamk.signal.storage.threads.ThreadInfo;

-import org.asamk.signal.util.Base64;
+import org.asamk.signal.util.KeyUtils;

 import org.asamk.signal.util.Util;
 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;
 import org.whispersystems.libsignal.*;
 import org.whispersystems.libsignal.ecc.Curve;
 import org.whispersystems.libsignal.ecc.ECKeyPair;


@@ -53,17 +55,28 @@ 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.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.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.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.SignalServiceProtos;

-import org.whispersystems.signalservice.internal.push.SignalServiceUrl;
+import org.whispersystems.signalservice.internal.util.Base64;

 
 import java.io.*;
 import java.net.URI;
 
 import java.io.*;
 import java.net.URI;


@@ -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";
 
 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 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();
 
     public final static String PROJECT_NAME = Manager.class.getPackage().getImplementationTitle();
     public final static String PROJECT_VERSION = Manager.class.getPackage().getImplementationVersion();


@@ -96,7 +115,7 @@ class Manager implements Signal {
 
     private final static int PREKEY_MINIMUM_COUNT = 20;
     private static final int PREKEY_BATCH_SIZE = 100;
 
     private final static int PREKEY_MINIMUM_COUNT = 20;
     private static final int PREKEY_BATCH_SIZE = 100;

-    private static final int MAX_ATTACHMENT_SIZE = 150 * 1024  * 1024;
+    private static final int MAX_ATTACHMENT_SIZE = 150 * 1024 * 1024;

 
     private final String settingsPath;
     private final String dataPath;
 
     private final String settingsPath;
     private final String dataPath;


@@ -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 final ObjectMapper jsonProcessor = new ObjectMapper();
     private String username;
     private int deviceId = SignalServiceAddress.DEFAULT_DEVICE_ID;

+    private boolean isMultiDevice = false;

     private String password;
     private String password;

+    private String registrationLockPin;

     private String signalingKey;
     private String signalingKey;

+    private byte[] profileKey;

     private int preKeyIdOffset;
     private int nextSignedPreKeyId;
 
     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 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;
 
     public Manager(String username, String settingsPath) {
         this.username = username;


@@ -231,7 +256,7 @@ class Manager implements Signal {
 
         migrateLegacyConfigs();
 
 
         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();
         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();
         }
         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();
         }
         if (rootNode.has("signalingKey")) {
             signalingKey = getNotNullNode(rootNode, "signalingKey").asText();
         }


@@ -265,6 +292,13 @@ class Manager implements Signal {
         } else {
             nextSignedPreKeyId = 0;
         }
         } 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");
         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)
         rootNode.put("username", username)
                 .put("deviceId", deviceId)
                 .put("password", password)

+                .put("registrationLockPin", registrationLockPin)

                 .put("signalingKey", signalingKey)
                 .put("preKeyIdOffset", preKeyIdOffset)
                 .put("nextSignedPreKeyId", nextSignedPreKeyId)
                 .put("signalingKey", signalingKey)
                 .put("preKeyIdOffset", preKeyIdOffset)
                 .put("nextSignedPreKeyId", nextSignedPreKeyId)


@@ -354,9 +389,9 @@ class Manager implements Signal {
     }
 
     public void register(boolean voiceVerification) throws IOException {
     }
 
     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();
 
         if (voiceVerification)
             accountManager.requestVoiceVerificationCode();


@@ -368,7 +403,7 @@ class Manager implements Signal {
     }
 
     public void updateAccountAttributes() throws IOException {
     }
 
     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 {
     }
 
     public void unregister() throws IOException {


@@ -379,9 +414,9 @@ class Manager implements Signal {
     }
 
     public URI getDeviceLinkUri() throws TimeoutException, IOException {
     }
 
     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;
         String uuid = accountManager.getNewDeviceUuid();
 
         registered = false;


@@ -394,7 +429,7 @@ class Manager implements Signal {
     }
 
     public void finishDeviceLink(String deviceName) throws IOException, InvalidKeyException, TimeoutException, UserAlreadyExists {
     }
 
     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();
         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;
         signalProtocolStore = new JsonSignalProtocolStore(ret.getIdentity(), signalProtocolStore.getLocalRegistrationId());
 
         registered = true;

+        isMultiDevice = true;

         refreshPreKeys();
 
         requestSyncGroups();
         refreshPreKeys();
 
         requestSyncGroups();


@@ -414,7 +450,9 @@ class Manager implements Signal {
     }
 
     public List<DeviceInfo> getLinkedDevices() throws IOException {
     }
 
     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 {
     }
 
     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;
         Map<String, String> map = new HashMap<>();
         for (String param : params) {
             String name = null;

+            final String[] paramParts = param.split("=");

             try {
             try {

-                name = URLDecoder.decode(param.split("=")[0], "utf-8");
+                name = URLDecoder.decode(paramParts[0], "utf-8");

             } catch (UnsupportedEncodingException e) {
                 // Impossible
             }
             String value = null;
             try {
             } 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
             }
             } catch (UnsupportedEncodingException e) {
                 // Impossible
             }


@@ -460,7 +499,8 @@ class Manager implements Signal {
         IdentityKeyPair identityKeyPair = signalProtocolStore.getIdentityKeyPair();
         String verificationCode = accountManager.getNewDeviceVerificationCode();
 
         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() {
     }
 
     private List<PreKeyRecord> generatePreKeys() {


@@ -481,24 +521,6 @@ class Manager implements Signal {
         return records;
     }
 
         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();
     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("-", "");
         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;
 
         //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
         registered = true;

+        registrationLockPin = pin;

 
         refreshPreKeys();
         save();
     }
 
 
         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();
     private void refreshPreKeys() throws IOException {
         List<PreKeyRecord> oneTimePreKeys = generatePreKeys();

-        PreKeyRecord lastResortKey = getOrGenerateLastResortPreKey();

         SignedPreKeyRecord signedPreKeyRecord = generateSignedPreKey(signalProtocolStore.getIdentityKeyPair());
 
         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";
         }
         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 {
     }
 
     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);
         // 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 {
     }
 
     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);
 
         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) {
     }
 
     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
         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);
             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);
         // 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;
     }
 
         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);
         // 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) {
     }
 
     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);
         // 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
     }
 
     @Override


@@ -780,7 +813,7 @@ class Manager implements Signal {
         if (attachments != null) {
             messageBuilder.withAttachments(getSignalServiceAttachments(attachments));
         }
         if (attachments != null) {
             messageBuilder.withAttachments(getSignalServiceAttachments(attachments));
         }

-        sendMessage(messageBuilder, recipients);
+        sendMessageLegacy(messageBuilder, recipients);

     }
 
     @Override
     }
 
     @Override


@@ -788,7 +821,7 @@ class Manager implements Signal {
         SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
                 .asEndSessionMessage();
 
         SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
                 .asEndSessionMessage();
 

-        sendMessage(messageBuilder, recipients);
+        sendMessageLegacy(messageBuilder, recipients);

     }
 
     @Override
     }
 
     @Override


@@ -807,15 +840,25 @@ class Manager implements Signal {
         if (contact == null) {
             contact = new ContactInfo();
             contact.number = number;
         if (contact == null) {
             contact = new ContactInfo();
             contact.number = number;

-            System.out.println("Add contact " + number + " named " + name);
+            System.err.println("Add contact " + number + " named " + name);

         } else {
         } else {

-            System.out.println("Updating contact " + number + " name " + contact.name + " -> " + name);
+            System.err.println("Updating contact " + number + " name " + contact.name + " -> " + name);

         }
         contact.name = name;
         contactStore.updateContact(contact);
         save();
     }
 
         }
         contact.name = name;
         contactStore.updateContact(contact);
         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);
     @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 {
     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 {
         try {

-            messageSender.sendMessage(message);
+            messageSender.sendMessage(message, getAccessForSync());

         } catch (UntrustedIdentityException e) {
             signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED);
             throw e;
         }
     }
 
         } 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 {
             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);
         Set<SignalServiceAddress> recipientsTS = getSignalServiceAddresses(recipients);

-        if (recipientsTS == null) return;
+        if (recipientsTS == null) return Collections.emptyList();

 
         SignalServiceDataMessage message = null;
         try {
 
         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 {
 
             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
                 }
             } 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) {
                 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 {
                     }
                     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);
                     } 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()) {
             }
         } finally {
             if (message != null && message.isEndSession()) {


@@ -957,12 +1050,22 @@ class Manager implements Signal {
         return recipientsTS;
     }
 
         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);
         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;
         }
     }
             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) {
     }
 
     public void retryFailedReceivedMessages(ReceiveMessageHandler handler, boolean ignoreAttachments) {


@@ -1113,15 +1224,17 @@ class Manager implements Signal {
                 try {
                     Files.delete(fileEntry.toPath());
                 } catch (IOException e) {
                 try {
                     Files.delete(fileEntry.toPath());
                 } catch (IOException e) {

-                    System.out.println("Failed to delete cached message file “" + fileEntry + "”: " + e.getMessage());
+                    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);
         }
     }
 
     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) {
 
         try {
             if (messagePipe == null) {


@@ -1169,8 +1282,10 @@ class Manager implements Signal {
                     try {
                         cacheFile = getMessageCacheFile(envelope.getSource(), now, envelope.getTimestamp());
                         Files.delete(cacheFile.toPath());
                     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) {
                     } catch (IOException e) {

-                        System.out.println("Failed to delete cached message file “" + cacheFile + "”: " + e.getMessage());
+                        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()) {
                 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();
                 SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
                 if (syncMessage.getSent().isPresent()) {
                     SignalServiceDataMessage message = syncMessage.getSent().get().getMessage();


@@ -1215,23 +1331,28 @@ class Manager implements Signal {
                     File tmpFile = null;
                     try {
                         tmpFile = Util.createTempFile();
                     File tmpFile = null;
                     try {
                         tmpFile = Util.createTempFile();

-                        DeviceGroupsInputStream s = new DeviceGroupsInputStream(retrieveAttachmentAsStream(syncMessage.getGroups().get().asPointer(), tmpFile));
-                        DeviceGroup g;
-                        while ((g = s.read()) != null) {
-                            GroupInfo syncGroup = groupStore.getGroup(g.getId());
-                            if (syncGroup == null) {
-                                syncGroup = new GroupInfo(g.getId());
-                            }
-                            if (g.getName().isPresent()) {
-                                syncGroup.name = g.getName().get();
+                        try (InputStream attachmentAsStream = retrieveAttachmentAsStream(syncMessage.getGroups().get().asPointer(), tmpFile)) {
+                            DeviceGroupsInputStream s = new DeviceGroupsInputStream(attachmentAsStream);
+                            DeviceGroup g;
+                            while ((g = s.read()) != null) {
+                                GroupInfo syncGroup = groupStore.getGroup(g.getId());
+                                if (syncGroup == null) {
+                                    syncGroup = new GroupInfo(g.getId());
+                                }
+                                if (g.getName().isPresent()) {
+                                    syncGroup.name = g.getName().get();
+                                }
+                                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);
+                                }
+                                groupStore.updateGroup(syncGroup);

                             }
                             }

-                            syncGroup.members.addAll(g.getMembers());
-                            syncGroup.active = g.isActive();
-
-                            if (g.getAvatar().isPresent()) {
-                                retrieveGroupAvatarAttachment(g.getAvatar().get(), syncGroup.groupId);
-                            }
-                            groupStore.updateGroup(syncGroup);

                         }
                     } catch (Exception e) {
                         e.printStackTrace();
                         }
                     } catch (Exception e) {
                         e.printStackTrace();


@@ -1240,7 +1361,7 @@ class Manager implements Signal {
                             try {
                                 Files.delete(tmpFile.toPath());
                             } catch (IOException e) {
                             try {
                                 Files.delete(tmpFile.toPath());
                             } catch (IOException e) {

-                                System.out.println("Failed to delete temp file “" + tmpFile + "”: " + e.getMessage());
+                                System.err.println("Failed to delete received groups temp file “" + tmpFile + "”: " + e.getMessage());

                             }
                         }
                     }
                             }
                         }
                     }


@@ -1253,27 +1374,44 @@ class Manager implements Signal {
                     try {
                         tmpFile = Util.createTempFile();
                         final ContactsMessage contactsMessage = syncMessage.getContacts().get();
                     try {
                         tmpFile = Util.createTempFile();
                         final ContactsMessage contactsMessage = syncMessage.getContacts().get();

-                        DeviceContactsInputStream s = new DeviceContactsInputStream(retrieveAttachmentAsStream(contactsMessage.getContactsStream().asPointer(), tmpFile));
-                        if (contactsMessage.isComplete()) {
-                            contactStore.clear();
-                        }
-                        DeviceContact c;
-                        while ((c = s.read()) != null) {
-                            ContactInfo contact = contactStore.getContact(c.getNumber());
-                            if (contact == null) {
-                                contact = new ContactInfo();
-                                contact.number = c.getNumber();
+                        try (InputStream attachmentAsStream = retrieveAttachmentAsStream(contactsMessage.getContactsStream().asPointer(), tmpFile)) {
+                            DeviceContactsInputStream s = new DeviceContactsInputStream(attachmentAsStream);
+                            if (contactsMessage.isComplete()) {
+                                contactStore.clear();

                             }
                             }

-                            if (c.getName().isPresent()) {
-                                contact.name = c.getName().get();
-                            }
-                            if (c.getColor().isPresent()) {
-                                contact.color = c.getColor().get();
-                            }
-                            contactStore.updateContact(contact);
-
-                            if (c.getAvatar().isPresent()) {
-                                retrieveContactAvatarAttachment(c.getAvatar().get(), contact.number);
+                            DeviceContact c;
+                            while ((c = s.read()) != null) {
+                                ContactInfo contact = contactStore.getContact(c.getNumber());
+                                if (contact == null) {
+                                    contact = new ContactInfo();
+                                    contact.number = c.getNumber();
+                                }
+                                if (c.getName().isPresent()) {
+                                    contact.name = c.getName().get();
+                                }
+                                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()) {
+                                    retrieveContactAvatarAttachment(c.getAvatar().get(), contact.number);
+                                }

                             }
                         }
                     } catch (Exception e) {
                             }
                         }
                     } catch (Exception e) {


@@ -1283,11 +1421,15 @@ class Manager implements Signal {
                             try {
                                 Files.delete(tmpFile.toPath());
                             } catch (IOException e) {
                             try {
                                 Files.delete(tmpFile.toPath());
                             } catch (IOException e) {

-                                System.out.println("Failed to delete temp file “" + tmpFile + "”: " + e.getMessage());
+                                System.err.println("Failed to delete received contacts temp file “" + tmpFile + "”: " + e.getMessage());

                             }
                         }
                     }
                 }
                             }
                         }
                     }
                 }

+                if (syncMessage.getVerified().isPresent()) {
+                    final VerifiedMessage verifiedMessage = syncMessage.getVerified().get();
+                    signalProtocolStore.saveIdentity(verifiedMessage.getDestination(), verifiedMessage.getIdentityKey(), TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
+                }

             }
         }
     }
             }
         }
     }


@@ -1296,13 +1438,16 @@ class Manager implements Signal {
         try (FileInputStream f = new FileInputStream(file)) {
             DataInputStream in = new DataInputStream(f);
             int version = in.readInt();
         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();
                 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();
             long timestamp = in.readLong();
             byte[] content = null;
             int contentLen = in.readInt();


@@ -1316,18 +1461,26 @@ class Manager implements Signal {
                 legacyMessage = new byte[legacyMessageLen];
                 in.readFully(legacyMessage);
             }
                 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)) {
         }
     }
 
     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.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);
                 out.writeLong(envelope.getTimestamp());
                 if (envelope.hasContent()) {
                     out.writeInt(envelope.getContent().length);


@@ -1341,6 +1494,9 @@ class Manager implements Signal {
                 } else {
                     out.writeInt(0);
                 }
                 } else {
                     out.writeInt(0);
                 }

+                out.writeLong(envelope.getServerTimestamp());
+                String uuid = envelope.getUuid();
+                out.writeUTF(uuid == null ? "" : uuid);

             }
         }
     }
             }
         }
     }


@@ -1413,7 +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)) {
 
         File tmpFile = Util.createTempFile();
         try (InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile, MAX_ATTACHMENT_SIZE)) {


@@ -1432,14 +1588,14 @@ class Manager implements Signal {
             try {
                 Files.delete(tmpFile.toPath());
             } catch (IOException e) {
             try {
                 Files.delete(tmpFile.toPath());
             } catch (IOException e) {

-                System.out.println("Failed to delete temp file “" + tmpFile + "”: " + e.getMessage());
+                System.err.println("Failed to delete received attachment temp file “" + tmpFile + "”: " + e.getMessage());

             }
         }
         return outputFile;
     }
 
     private InputStream retrieveAttachmentAsStream(SignalServiceAttachmentPointer pointer, File tmpFile) throws IOException, InvalidMessageException {
             }
         }
         return outputFile;
     }
 
     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);
     }
 
         return messageReceiver.retrieveAttachment(pointer, tmpFile, MAX_ATTACHMENT_SIZE);
     }
 


@@ -1465,9 +1621,11 @@ class Manager implements Signal {
             try (OutputStream fos = new FileOutputStream(groupsFile)) {
                 DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(fos);
                 for (GroupInfo record : groupStore.getGroups()) {
             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),
                     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));

                 }
             }
 
                 }
             }
 


@@ -1486,7 +1644,7 @@ class Manager implements Signal {
             try {
                 Files.delete(groupsFile.toPath());
             } catch (IOException e) {
             try {
                 Files.delete(groupsFile.toPath());
             } catch (IOException e) {

-                System.out.println("Failed to delete temp file “" + groupsFile + "”: " + e.getMessage());
+                System.err.println("Failed to delete groups temp file “" + groupsFile + "”: " + e.getMessage());

             }
         }
     }
             }
         }
     }


@@ -1498,8 +1656,26 @@ class Manager implements Signal {
             try (OutputStream fos = new FileOutputStream(contactsFile)) {
                 DeviceContactsOutputStream out = new DeviceContactsOutputStream(fos);
                 for (ContactInfo record : contactStore.getContacts()) {
             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),
                     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)));

                 }
             }
 
                 }
             }
 


@@ -1518,11 +1694,16 @@ class Manager implements Signal {
             try {
                 Files.delete(contactsFile.toPath());
             } catch (IOException e) {
             try {
                 Files.delete(contactsFile.toPath());
             } catch (IOException e) {

-                System.out.println("Failed to delete temp file “" + contactsFile + "”: " + e.getMessage());
+                System.err.println("Failed to delete contacts temp file “" + contactsFile + "”: " + e.getMessage());

             }
         }
     }
 
             }
         }
     }
 

+    private void sendVerifiedMessage(String destination, IdentityKey identityKey, TrustLevel trustLevel) throws IOException, UntrustedIdentityException {
+        VerifiedMessage verifiedMessage = new VerifiedMessage(destination, identityKey, trustLevel.toVerifiedState(), System.currentTimeMillis());
+        sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage));
+    }
+

     public ContactInfo getContact(String number) {
         return contactStore.getContact(number);
     }
     public ContactInfo getContact(String number) {
         return contactStore.getContact(number);
     }


@@ -1556,6 +1737,11 @@ class Manager implements Signal {
             }
 
             signalProtocolStore.saveIdentity(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);
             }
 
             signalProtocolStore.saveIdentity(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);

+            try {
+                sendVerifiedMessage(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);
+            } catch (IOException | UntrustedIdentityException e) {
+                e.printStackTrace();
+            }

             save();
             return true;
         }
             save();
             return true;
         }


@@ -1579,6 +1765,11 @@ class Manager implements Signal {
             }
 
             signalProtocolStore.saveIdentity(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);
             }
 
             signalProtocolStore.saveIdentity(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);

+            try {
+                sendVerifiedMessage(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);
+            } catch (IOException | UntrustedIdentityException e) {
+                e.printStackTrace();
+            }

             save();
             return true;
         }
             save();
             return true;
         }


@@ -1598,6 +1789,11 @@ class Manager implements Signal {
         for (JsonIdentityKeyStore.Identity id : ids) {
             if (id.getTrustLevel() == TrustLevel.UNTRUSTED) {
                 signalProtocolStore.saveIdentity(name, id.getIdentityKey(), TrustLevel.TRUSTED_UNVERIFIED);
         for (JsonIdentityKeyStore.Identity id : ids) {
             if (id.getTrustLevel() == TrustLevel.UNTRUSTED) {
                 signalProtocolStore.saveIdentity(name, id.getIdentityKey(), TrustLevel.TRUSTED_UNVERIFIED);

+                try {
+                    sendVerifiedMessage(name, id.getIdentityKey(), TrustLevel.TRUSTED_UNVERIFIED);
+                } catch (IOException | UntrustedIdentityException e) {
+                    e.printStackTrace();
+                }

             }
         }
         save();
             }
         }
         save();