]> nmode's Git Repositories - signal-cli/blobdiff - src/main/java/org/asamk/signal/manager/Manager.java
Separate DbusSignal implementation from Manager
[signal-cli] / src / main / java / org / asamk / signal / manager / Manager.java
index f1316d643ee78ca044ffd6de87706bd73049c109..01275cec526c0136cf13e84f86ae370ea676e178 100644 (file)
@@ -18,14 +18,6 @@ package org.asamk.signal.manager;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 
-import org.asamk.Signal;
-import org.asamk.signal.AttachmentInvalidException;
-import org.asamk.signal.GroupNotFoundException;
-import org.asamk.signal.JsonStickerPack;
-import org.asamk.signal.NotAGroupMemberException;
-import org.asamk.signal.StickerPackInvalidException;
-import org.asamk.signal.TrustLevel;
-import org.asamk.signal.UserAlreadyExists;
 import org.asamk.signal.storage.SignalAccount;
 import org.asamk.signal.storage.contacts.ContactInfo;
 import org.asamk.signal.storage.groups.GroupInfo;
@@ -47,6 +39,7 @@ import org.signal.libsignal.metadata.SelfSendException;
 import org.signal.libsignal.metadata.certificate.InvalidCertificateException;
 import org.signal.zkgroup.InvalidInputException;
 import org.signal.zkgroup.VerificationFailedException;
+import org.signal.zkgroup.profiles.ClientZkProfileOperations;
 import org.signal.zkgroup.profiles.ProfileKey;
 import org.whispersystems.libsignal.IdentityKey;
 import org.whispersystems.libsignal.IdentityKeyPair;
@@ -75,6 +68,7 @@ import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
 import org.whispersystems.signalservice.api.messages.SendMessageResult;
 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentPointer;
+import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentRemoteId;
 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentStream;
 import org.whispersystems.signalservice.api.messages.SignalServiceContent;
 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
@@ -100,6 +94,7 @@ import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
 import org.whispersystems.signalservice.api.push.ContactTokenDetails;
 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
 import org.whispersystems.signalservice.api.push.exceptions.EncapsulatedExceptions;
+import org.whispersystems.signalservice.api.push.exceptions.MissingConfigurationException;
 import org.whispersystems.signalservice.api.push.exceptions.NetworkFailureException;
 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
 import org.whispersystems.signalservice.api.util.InvalidNumberException;
@@ -107,11 +102,14 @@ import org.whispersystems.signalservice.api.util.SleepTimer;
 import org.whispersystems.signalservice.api.util.StreamDetails;
 import org.whispersystems.signalservice.api.util.UptimeSleepTimer;
 import org.whispersystems.signalservice.api.util.UuidUtil;
+import org.whispersystems.signalservice.internal.configuration.SignalServiceConfiguration;
 import org.whispersystems.signalservice.internal.push.SignalServiceProtos;
 import org.whispersystems.signalservice.internal.push.UnsupportedDataMessageException;
+import org.whispersystems.signalservice.internal.push.VerifyAccountResponse;
 import org.whispersystems.signalservice.internal.util.Hex;
 import org.whispersystems.util.Base64;
 
+import java.io.Closeable;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
@@ -143,43 +141,42 @@ import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
-public class Manager implements Signal {
+public class Manager implements Closeable {
 
-    private final String settingsPath;
-    private final String dataPath;
-    private final String attachmentsPath;
-    private final String avatarsPath;
     private final SleepTimer timer = new UptimeSleepTimer();
+    private final SignalServiceConfiguration serviceConfiguration;
+    private final String userAgent;
 
-    private SignalAccount account;
-    private String username;
+    private final SignalAccount account;
+    private final PathConfig pathConfig;
     private SignalServiceAccountManager accountManager;
     private SignalServiceMessagePipe messagePipe = null;
     private SignalServiceMessagePipe unidentifiedMessagePipe = null;
 
-    public Manager(String username, String settingsPath) {
-        this.username = username;
-        this.settingsPath = settingsPath;
-        this.dataPath = this.settingsPath + "/data";
-        this.attachmentsPath = this.settingsPath + "/attachments";
-        this.avatarsPath = this.settingsPath + "/avatars";
+    public Manager(SignalAccount account, PathConfig pathConfig, SignalServiceConfiguration serviceConfiguration, String userAgent) {
+        this.account = account;
+        this.pathConfig = pathConfig;
+        this.serviceConfiguration = serviceConfiguration;
+        this.userAgent = userAgent;
+        this.accountManager = createSignalServiceAccountManager();
 
+        this.account.setResolver(this::resolveSignalServiceAddress);
     }
 
     public String getUsername() {
-        return username;
+        return account.getUsername();
     }
 
     public SignalServiceAddress getSelfAddress() {
         return account.getSelfAddress();
     }
 
-    private SignalServiceAccountManager getSignalServiceAccountManager() {
-        return new SignalServiceAccountManager(BaseConfig.serviceConfiguration, account.getUuid(), account.getUsername(), account.getPassword(), account.getDeviceId(), BaseConfig.USER_AGENT, timer);
+    private SignalServiceAccountManager createSignalServiceAccountManager() {
+        return new SignalServiceAccountManager(serviceConfiguration, account.getUuid(), account.getUsername(), account.getPassword(), account.getDeviceId(), userAgent, timer);
     }
 
-    private IdentityKey getIdentity() {
-        return account.getSignalProtocolStore().getIdentityKeyPair().getPublicKey();
+    private IdentityKeyPair getIdentityKeyPair() {
+        return account.getSignalProtocolStore().getIdentityKeyPair();
     }
 
     public int getDeviceId() {
@@ -187,7 +184,7 @@ public class Manager implements Signal {
     }
 
     private String getMessageCachePath() {
-        return this.dataPath + "/" + username + ".d/msg-cache";
+        return pathConfig.getDataPath() + "/" + account.getUsername() + ".d/msg-cache";
     }
 
     private String getMessageCachePath(String sender) {
@@ -204,30 +201,27 @@ public class Manager implements Signal {
         return new File(cachePath + "/" + now + "_" + timestamp);
     }
 
-    public boolean userHasKeys() {
-        return account != null && account.getSignalProtocolStore() != null;
-    }
+    public static Manager init(String username, String settingsPath, SignalServiceConfiguration serviceConfiguration, String userAgent) throws IOException {
+        PathConfig pathConfig = PathConfig.createDefault(settingsPath);
 
-    public void init() throws IOException {
-        if (!SignalAccount.userExists(dataPath, username)) {
-            return;
-        }
-        account = SignalAccount.load(dataPath, username);
-        account.setResolver(this::resolveSignalServiceAddress);
+        if (!SignalAccount.userExists(pathConfig.getDataPath(), username)) {
+            IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
+            int registrationId = KeyHelper.generateRegistrationId(false);
 
-        migrateLegacyConfigs();
+            ProfileKey profileKey = KeyUtils.createProfileKey();
+            SignalAccount account = SignalAccount.create(pathConfig.getDataPath(), username, identityKey, registrationId, profileKey);
+            account.save();
 
-        accountManager = getSignalServiceAccountManager();
-        if (account.isRegistered()) {
-            if (accountManager.getPreKeysCount() < BaseConfig.PREKEY_MINIMUM_COUNT) {
-                refreshPreKeys();
-                account.save();
-            }
-            if (account.getUuid() == null) {
-                account.setUuid(accountManager.getOwnUuid());
-                account.save();
-            }
+            return new Manager(account, pathConfig, serviceConfiguration, userAgent);
         }
+
+        SignalAccount account = SignalAccount.load(pathConfig.getDataPath(), username);
+
+        Manager m = new Manager(account, pathConfig, serviceConfiguration, userAgent);
+
+        m.migrateLegacyConfigs();
+
+        return m;
     }
 
     private void migrateLegacyConfigs() {
@@ -236,10 +230,10 @@ public class Manager implements Signal {
         if (JsonGroupStore.groupsWithLegacyAvatarId.size() > 0) {
             for (GroupInfo g : JsonGroupStore.groupsWithLegacyAvatarId) {
                 File avatarFile = getGroupAvatarFile(g.groupId);
-                File attachmentFile = getAttachmentFile(g.getAvatarId());
+                File attachmentFile = getAttachmentFile(new SignalServiceAttachmentRemoteId(g.getAvatarId()));
                 if (!avatarFile.exists() && attachmentFile.exists()) {
                     try {
-                        IOUtils.createPrivateDirectories(avatarsPath);
+                        IOUtils.createPrivateDirectories(pathConfig.getAvatarsPath());
                         Files.copy(attachmentFile.toPath(), avatarFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
                     } catch (Exception e) {
                         // Ignore
@@ -256,31 +250,29 @@ public class Manager implements Signal {
         }
     }
 
-    private void createNewIdentity() throws IOException {
-        IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
-        int registrationId = KeyHelper.generateRegistrationId(false);
-        if (username == null) {
-            account = SignalAccount.createTemporaryAccount(identityKey, registrationId);
-            account.setResolver(this::resolveSignalServiceAddress);
-        } else {
-            ProfileKey profileKey = KeyUtils.createProfileKey();
-            account = SignalAccount.create(dataPath, username, identityKey, registrationId, profileKey);
-            account.setResolver(this::resolveSignalServiceAddress);
-            account.save();
+    public void checkAccountState() throws IOException {
+        if (account.isRegistered()) {
+            if (accountManager.getPreKeysCount() < ServiceConfig.PREKEY_MINIMUM_COUNT) {
+                refreshPreKeys();
+                account.save();
+            }
+            if (account.getUuid() == null) {
+                account.setUuid(accountManager.getOwnUuid());
+                account.save();
+            }
         }
     }
 
     public boolean isRegistered() {
-        return account != null && account.isRegistered();
+        return account.isRegistered();
     }
 
     public void register(boolean voiceVerification) throws IOException {
-        if (account == null) {
-            createNewIdentity();
-        }
         account.setPassword(KeyUtils.createPassword());
+
+        // Resetting UUID, because registering doesn't work otherwise
         account.setUuid(null);
-        accountManager = getSignalServiceAccountManager();
+        accountManager = createSignalServiceAccountManager();
 
         if (voiceVerification) {
             accountManager.requestVoiceVerificationCode(Locale.getDefault(), Optional.absent(), Optional.absent());
@@ -293,7 +285,7 @@ public class Manager implements Signal {
     }
 
     public void updateAccountAttributes() throws IOException {
-        accountManager.setAccountAttributes(account.getSignalingKey(), account.getSignalProtocolStore().getLocalRegistrationId(), true, account.getRegistrationLockPin(), account.getRegistrationLock(), getSelfUnidentifiedAccessKey(), false, BaseConfig.capabilities);
+        accountManager.setAccountAttributes(account.getSignalingKey(), account.getSignalProtocolStore().getLocalRegistrationId(), true, account.getRegistrationLockPin(), account.getRegistrationLock(), getSelfUnidentifiedAccessKey(), false, ServiceConfig.capabilities);
     }
 
     public void setProfileName(String name) throws IOException {
@@ -320,52 +312,6 @@ public class Manager implements Signal {
         account.save();
     }
 
-    public String getDeviceLinkUri() throws TimeoutException, IOException {
-        if (account == null) {
-            createNewIdentity();
-        }
-        account.setPassword(KeyUtils.createPassword());
-        accountManager = getSignalServiceAccountManager();
-        String uuid = accountManager.getNewDeviceUuid();
-
-        return Utils.createDeviceLinkUri(new Utils.DeviceLinkInfo(uuid, getIdentity().getPublicKey()));
-    }
-
-    public void finishDeviceLink(String deviceName) throws IOException, InvalidKeyException, TimeoutException, UserAlreadyExists {
-        account.setSignalingKey(KeyUtils.createSignalingKey());
-        SignalServiceAccountManager.NewDeviceRegistrationReturn ret = accountManager.finishNewDeviceRegistration(account.getSignalProtocolStore().getIdentityKeyPair(), account.getSignalingKey(), false, true, account.getSignalProtocolStore().getLocalRegistrationId(), deviceName);
-
-        username = ret.getNumber();
-        // TODO do this check before actually registering
-        if (SignalAccount.userExists(dataPath, username)) {
-            throw new UserAlreadyExists(username, SignalAccount.getFileName(dataPath, username));
-        }
-
-        // Create new account with the synced identity
-        byte[] profileKeyBytes = ret.getProfileKey();
-        ProfileKey profileKey;
-        if (profileKeyBytes == null) {
-            profileKey = KeyUtils.createProfileKey();
-        } else {
-            try {
-                profileKey = new ProfileKey(profileKeyBytes);
-            } catch (InvalidInputException e) {
-                throw new IOException("Received invalid profileKey", e);
-            }
-        }
-        account = SignalAccount.createLinkedAccount(dataPath, username, ret.getUuid(), account.getPassword(), ret.getDeviceId(), ret.getIdentity(), account.getSignalProtocolStore().getLocalRegistrationId(), account.getSignalingKey(), profileKey);
-        account.setResolver(this::resolveSignalServiceAddress);
-
-        refreshPreKeys();
-
-        requestSyncGroups();
-        requestSyncContacts();
-        requestSyncBlocked();
-        requestSyncConfiguration();
-
-        account.save();
-    }
-
     public List<DeviceInfo> getLinkedDevices() throws IOException {
         List<DeviceInfo> devices = accountManager.getDevices();
         account.setMultiDevice(devices.size() > 1);
@@ -387,7 +333,7 @@ public class Manager implements Signal {
     }
 
     private void addDevice(String deviceIdentifier, ECPublicKey deviceKey) throws IOException, InvalidKeyException {
-        IdentityKeyPair identityKeyPair = account.getSignalProtocolStore().getIdentityKeyPair();
+        IdentityKeyPair identityKeyPair = getIdentityKeyPair();
         String verificationCode = accountManager.getNewDeviceVerificationCode();
 
         accountManager.addDevice(deviceIdentifier, deviceKey, identityKeyPair, Optional.of(account.getProfileKey().serialize()), verificationCode);
@@ -396,10 +342,10 @@ public class Manager implements Signal {
     }
 
     private List<PreKeyRecord> generatePreKeys() {
-        List<PreKeyRecord> records = new ArrayList<>(BaseConfig.PREKEY_BATCH_SIZE);
+        List<PreKeyRecord> records = new ArrayList<>(ServiceConfig.PREKEY_BATCH_SIZE);
 
         final int offset = account.getPreKeyIdOffset();
-        for (int i = 0; i < BaseConfig.PREKEY_BATCH_SIZE; i++) {
+        for (int i = 0; i < ServiceConfig.PREKEY_BATCH_SIZE; i++) {
             int preKeyId = (offset + i) % Medium.MAX_VALUE;
             ECKeyPair keyPair = Curve.generateKeyPair();
             PreKeyRecord record = new PreKeyRecord(preKeyId, keyPair);
@@ -432,13 +378,15 @@ public class Manager implements Signal {
         verificationCode = verificationCode.replace("-", "");
         account.setSignalingKey(KeyUtils.createSignalingKey());
         // TODO make unrestricted unidentified access configurable
-        UUID uuid = accountManager.verifyAccountWithCode(verificationCode, account.getSignalingKey(), account.getSignalProtocolStore().getLocalRegistrationId(), true, pin, null, getSelfUnidentifiedAccessKey(), false, BaseConfig.capabilities);
+        VerifyAccountResponse response = accountManager.verifyAccountWithCode(verificationCode, account.getSignalingKey(), account.getSignalProtocolStore().getLocalRegistrationId(), true, pin, null, getSelfUnidentifiedAccessKey(), false, ServiceConfig.capabilities);
 
+        UUID uuid = UuidUtil.parseOrNull(response.getUuid());
+        // TODO response.isStorageCapable()
         //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
         account.setRegistered(true);
         account.setUuid(uuid);
         account.setRegistrationLockPin(pin);
-        account.getSignalProtocolStore().saveIdentity(account.getSelfAddress(), account.getSignalProtocolStore().getIdentityKeyPair().getPublicKey(), TrustLevel.TRUSTED_VERIFIED);
+        account.getSignalProtocolStore().saveIdentity(account.getSelfAddress(), getIdentityKeyPair().getPublicKey(), TrustLevel.TRUSTED_VERIFIED);
 
         refreshPreKeys();
         account.save();
@@ -450,26 +398,31 @@ public class Manager implements Signal {
             throw new RuntimeException("Not implemented anymore, will be replaced with KBS");
         } else {
             account.setRegistrationLockPin(null);
-            accountManager.removeV1Pin();
+            accountManager.removeRegistrationLockV1();
         }
         account.save();
     }
 
-    private void refreshPreKeys() throws IOException {
+    void refreshPreKeys() throws IOException {
         List<PreKeyRecord> oneTimePreKeys = generatePreKeys();
-        final IdentityKeyPair identityKeyPair = account.getSignalProtocolStore().getIdentityKeyPair();
+        final IdentityKeyPair identityKeyPair = getIdentityKeyPair();
         SignedPreKeyRecord signedPreKeyRecord = generateSignedPreKey(identityKeyPair);
 
-        accountManager.setPreKeys(getIdentity(), signedPreKeyRecord, oneTimePreKeys);
+        accountManager.setPreKeys(identityKeyPair.getPublicKey(), signedPreKeyRecord, oneTimePreKeys);
     }
 
     private SignalServiceMessageReceiver getMessageReceiver() {
-        return new SignalServiceMessageReceiver(BaseConfig.serviceConfiguration, account.getUuid(), account.getUsername(), account.getPassword(), account.getDeviceId(), account.getSignalingKey(), BaseConfig.USER_AGENT, null, timer);
+        // TODO implement ZkGroup support
+        final ClientZkProfileOperations clientZkProfileOperations = null;
+        return new SignalServiceMessageReceiver(serviceConfiguration, account.getUuid(), account.getUsername(), account.getPassword(), account.getDeviceId(), account.getSignalingKey(), userAgent, null, timer, clientZkProfileOperations);
     }
 
     private SignalServiceMessageSender getMessageSender() {
-        return new SignalServiceMessageSender(BaseConfig.serviceConfiguration, account.getUuid(), account.getUsername(), account.getPassword(),
-                account.getDeviceId(), account.getSignalProtocolStore(), BaseConfig.USER_AGENT, account.isMultiDevice(), Optional.fromNullable(messagePipe), Optional.fromNullable(unidentifiedMessagePipe), Optional.absent());
+        // TODO implement ZkGroup support
+        final ClientZkProfileOperations clientZkProfileOperations = null;
+        final boolean attachmentsV3 = false;
+        return new SignalServiceMessageSender(serviceConfiguration, account.getUuid(), account.getUsername(), account.getPassword(),
+                account.getDeviceId(), account.getSignalProtocolStore(), userAgent, account.isMultiDevice(), attachmentsV3, Optional.fromNullable(messagePipe), Optional.fromNullable(unidentifiedMessagePipe), Optional.absent(), clientZkProfileOperations);
     }
 
     private SignalServiceProfile getRecipientProfile(SignalServiceAddress address, Optional<UnidentifiedAccess> unidentifiedAccess) throws IOException {
@@ -524,10 +477,9 @@ public class Manager implements Signal {
         return account.getGroupStore().getGroups();
     }
 
-    @Override
-    public void sendGroupMessage(String messageText, List<String> attachments,
+    public long sendGroupMessage(String messageText, List<String> attachments,
                                  byte[] groupId)
-            throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException {
+            throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
         final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
         if (attachments != null) {
             messageBuilder.withAttachments(Utils.getSignalServiceAttachments(attachments));
@@ -543,12 +495,12 @@ public class Manager implements Signal {
 
         messageBuilder.withExpiration(g.messageExpirationTime);
 
-        sendMessageLegacy(messageBuilder, g.getMembersWithout(account.getSelfAddress()));
+        return sendMessageLegacy(messageBuilder, g.getMembersWithout(account.getSelfAddress()));
     }
 
     public void sendGroupMessageReaction(String emoji, boolean remove, String targetAuthor,
                                          long targetSentTimestamp, byte[] groupId)
-            throws IOException, EncapsulatedExceptions, AttachmentInvalidException, InvalidNumberException {
+            throws IOException, EncapsulatedExceptions, InvalidNumberException, NotAGroupMemberException, GroupNotFoundException {
         SignalServiceDataMessage.Reaction reaction = new SignalServiceDataMessage.Reaction(emoji, remove, canonicalizeAndResolveSignalServiceAddress(targetAuthor), targetSentTimestamp);
         final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
                 .withReaction(reaction);
@@ -562,7 +514,7 @@ public class Manager implements Signal {
         sendMessageLegacy(messageBuilder, g.getMembersWithout(account.getSelfAddress()));
     }
 
-    public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions {
+    public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions, NotAGroupMemberException {
         SignalServiceGroup group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT)
                 .withId(groupId)
                 .build();
@@ -577,7 +529,7 @@ public class Manager implements Signal {
         sendMessageLegacy(messageBuilder, g.getMembersWithout(account.getSelfAddress()));
     }
 
-    private byte[] sendUpdateGroupMessage(byte[] groupId, String name, Collection<SignalServiceAddress> members, String avatarFile) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException {
+    private byte[] sendUpdateGroupMessage(byte[] groupId, String name, Collection<SignalServiceAddress> members, String avatarFile) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
         GroupInfo g;
         if (groupId == null) {
             // Create new group
@@ -615,7 +567,7 @@ public class Manager implements Signal {
         }
 
         if (avatarFile != null) {
-            IOUtils.createPrivateDirectories(avatarsPath);
+            IOUtils.createPrivateDirectories(pathConfig.getAvatarsPath());
             File aFile = getGroupAvatarFile(g.groupId);
             Files.copy(Paths.get(avatarFile), aFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
         }
@@ -628,7 +580,7 @@ public class Manager implements Signal {
         return g.groupId;
     }
 
-    private void sendUpdateGroupMessage(byte[] groupId, SignalServiceAddress recipient) throws IOException, EncapsulatedExceptions {
+    private void sendUpdateGroupMessage(byte[] groupId, SignalServiceAddress recipient) throws IOException, EncapsulatedExceptions, NotAGroupMemberException, GroupNotFoundException, AttachmentInvalidException {
         if (groupId == null) {
             return;
         }
@@ -644,7 +596,7 @@ public class Manager implements Signal {
         sendMessageLegacy(messageBuilder, Collections.singleton(recipient));
     }
 
-    private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfo g) {
+    private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfo g) throws AttachmentInvalidException {
         SignalServiceGroup.Builder group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.UPDATE)
                 .withId(g.groupId)
                 .withName(g.name)
@@ -687,16 +639,7 @@ public class Manager implements Signal {
         getMessageSender().sendReceipt(remoteAddress, getAccessFor(remoteAddress), receiptMessage);
     }
 
-    @Override
-    public void sendMessage(String message, List<String> attachments, String recipient)
-            throws EncapsulatedExceptions, AttachmentInvalidException, IOException, InvalidNumberException {
-        List<String> recipients = new ArrayList<>(1);
-        recipients.add(recipient);
-        sendMessage(message, attachments, recipients);
-    }
-
-    @Override
-    public void sendMessage(String messageText, List<String> attachments,
+    public long sendMessage(String messageText, List<String> attachments,
                             List<String> recipients)
             throws IOException, EncapsulatedExceptions, AttachmentInvalidException, InvalidNumberException {
         final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
@@ -716,27 +659,34 @@ public class Manager implements Signal {
 
             messageBuilder.withAttachments(attachmentPointers);
         }
-        sendMessageLegacy(messageBuilder, getSignalServiceAddresses(recipients));
+        return sendMessageLegacy(messageBuilder, getSignalServiceAddresses(recipients));
     }
 
     public void sendMessageReaction(String emoji, boolean remove, String targetAuthor,
                                     long targetSentTimestamp, List<String> recipients)
-            throws IOException, EncapsulatedExceptions, AttachmentInvalidException, InvalidNumberException {
+            throws IOException, EncapsulatedExceptions, InvalidNumberException {
         SignalServiceDataMessage.Reaction reaction = new SignalServiceDataMessage.Reaction(emoji, remove, canonicalizeAndResolveSignalServiceAddress(targetAuthor), targetSentTimestamp);
         final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
                 .withReaction(reaction);
         sendMessageLegacy(messageBuilder, getSignalServiceAddresses(recipients));
     }
 
-    @Override
     public void sendEndSessionMessage(List<String> recipients) throws IOException, EncapsulatedExceptions, InvalidNumberException {
         SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
                 .asEndSessionMessage();
 
-        sendMessageLegacy(messageBuilder, getSignalServiceAddresses(recipients));
+        final Collection<SignalServiceAddress> signalServiceAddresses = getSignalServiceAddresses(recipients);
+        try {
+            sendMessageLegacy(messageBuilder, signalServiceAddresses);
+        } catch (Exception e) {
+            for (SignalServiceAddress address : signalServiceAddresses) {
+                handleEndSession(address);
+            }
+            account.save();
+            throw e;
+        }
     }
 
-    @Override
     public String getContactName(String number) throws InvalidNumberException {
         ContactInfo contact = account.getContactStore().getContact(canonicalizeAndResolveSignalServiceAddress(number));
         if (contact == null) {
@@ -746,7 +696,6 @@ public class Manager implements Signal {
         }
     }
 
-    @Override
     public void setContactName(String number, String name) throws InvalidNumberException {
         final SignalServiceAddress address = canonicalizeAndResolveSignalServiceAddress(number);
         ContactInfo contact = account.getContactStore().getContact(address);
@@ -761,7 +710,6 @@ public class Manager implements Signal {
         account.save();
     }
 
-    @Override
     public void setContactBlocked(String number, boolean blocked) throws InvalidNumberException {
         setContactBlocked(canonicalizeAndResolveSignalServiceAddress(number), blocked);
     }
@@ -779,7 +727,6 @@ public class Manager implements Signal {
         account.save();
     }
 
-    @Override
     public void setGroupBlocked(final byte[] groupId, final boolean blocked) throws GroupNotFoundException {
         GroupInfo group = getGroup(groupId);
         if (group == null) {
@@ -792,38 +739,7 @@ public class Manager implements Signal {
         }
     }
 
-    @Override
-    public List<byte[]> getGroupIds() {
-        List<GroupInfo> groups = getGroups();
-        List<byte[]> ids = new ArrayList<>(groups.size());
-        for (GroupInfo group : groups) {
-            ids.add(group.groupId);
-        }
-        return ids;
-    }
-
-    @Override
-    public String getGroupName(byte[] groupId) {
-        GroupInfo group = getGroup(groupId);
-        if (group == null) {
-            return "";
-        } else {
-            return group.name;
-        }
-    }
-
-    @Override
-    public List<String> getGroupMembers(byte[] groupId) {
-        GroupInfo group = getGroup(groupId);
-        if (group == null) {
-            return Collections.emptyList();
-        } else {
-            return new ArrayList<>(group.getMembersE164());
-        }
-    }
-
-    @Override
-    public byte[] updateGroup(byte[] groupId, String name, List<String> members, String avatar) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException, InvalidNumberException {
+    public byte[] updateGroup(byte[] groupId, String name, List<String> members, String avatar) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException, InvalidNumberException, NotAGroupMemberException {
         if (groupId.length == 0) {
             groupId = null;
         }
@@ -962,7 +878,7 @@ public class Manager implements Signal {
         }
     }
 
-    private void requestSyncGroups() throws IOException {
+    void requestSyncGroups() throws IOException {
         SignalServiceProtos.SyncMessage.Request r = SignalServiceProtos.SyncMessage.Request.newBuilder().setType(SignalServiceProtos.SyncMessage.Request.Type.GROUPS).build();
         SignalServiceSyncMessage message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
         try {
@@ -972,7 +888,7 @@ public class Manager implements Signal {
         }
     }
 
-    private void requestSyncContacts() throws IOException {
+    void requestSyncContacts() throws IOException {
         SignalServiceProtos.SyncMessage.Request r = SignalServiceProtos.SyncMessage.Request.newBuilder().setType(SignalServiceProtos.SyncMessage.Request.Type.CONTACTS).build();
         SignalServiceSyncMessage message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
         try {
@@ -982,7 +898,7 @@ public class Manager implements Signal {
         }
     }
 
-    private void requestSyncBlocked() throws IOException {
+    void requestSyncBlocked() throws IOException {
         SignalServiceProtos.SyncMessage.Request r = SignalServiceProtos.SyncMessage.Request.newBuilder().setType(SignalServiceProtos.SyncMessage.Request.Type.BLOCKED).build();
         SignalServiceSyncMessage message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
         try {
@@ -992,7 +908,7 @@ public class Manager implements Signal {
         }
     }
 
-    private void requestSyncConfiguration() throws IOException {
+    void requestSyncConfiguration() throws IOException {
         SignalServiceProtos.SyncMessage.Request r = SignalServiceProtos.SyncMessage.Request.newBuilder().setType(SignalServiceProtos.SyncMessage.Request.Type.CONFIGURATION).build();
         SignalServiceSyncMessage message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
         try {
@@ -1134,8 +1050,10 @@ public class Manager implements Signal {
     /**
      * This method throws an EncapsulatedExceptions exception instead of returning a list of SendMessageResult.
      */
-    private void sendMessageLegacy(SignalServiceDataMessage.Builder messageBuilder, Collection<SignalServiceAddress> recipients)
+    private long sendMessageLegacy(SignalServiceDataMessage.Builder messageBuilder, Collection<SignalServiceAddress> recipients)
             throws EncapsulatedExceptions, IOException {
+        final long timestamp = System.currentTimeMillis();
+        messageBuilder.withTimestamp(timestamp);
         List<SendMessageResult> results = sendMessage(messageBuilder, recipients);
 
         List<UntrustedIdentityException> untrustedIdentities = new LinkedList<>();
@@ -1154,6 +1072,7 @@ public class Manager implements Signal {
         if (!untrustedIdentities.isEmpty() || !unregisteredUsers.isEmpty() || !networkExceptions.isEmpty()) {
             throw new EncapsulatedExceptions(untrustedIdentities, unregisteredUsers, networkExceptions);
         }
+        return timestamp;
     }
 
     private Collection<SignalServiceAddress> getSignalServiceAddresses(Collection<String> numbers) throws InvalidNumberException {
@@ -1277,8 +1196,8 @@ public class Manager implements Signal {
                         if (avatar.isPointer()) {
                             try {
                                 retrieveGroupAvatarAttachment(avatar.asPointer(), group.groupId);
-                            } catch (IOException | InvalidMessageException e) {
-                                System.err.println("Failed to retrieve group avatar (" + avatar.asPointer().getId() + "): " + e.getMessage());
+                            } catch (IOException | InvalidMessageException | MissingConfigurationException e) {
+                                System.err.println("Failed to retrieve group avatar (" + avatar.asPointer().getRemoteId() + "): " + e.getMessage());
                             }
                         }
                     }
@@ -1306,13 +1225,7 @@ public class Manager implements Signal {
                     }
                     break;
                 case QUIT:
-                    if (group == null) {
-                        try {
-                            sendGroupInfoRequest(groupInfo.getGroupId(), source);
-                        } catch (IOException | EncapsulatedExceptions e) {
-                            e.printStackTrace();
-                        }
-                    } else {
+                    if (group != null) {
                         group.removeMember(source);
                         account.getGroupStore().updateGroup(group);
                     }
@@ -1321,9 +1234,9 @@ public class Manager implements Signal {
                     if (group != null) {
                         try {
                             sendUpdateGroupMessage(groupInfo.getGroupId(), source);
-                        } catch (IOException | EncapsulatedExceptions e) {
+                        } catch (IOException | EncapsulatedExceptions | AttachmentInvalidException e) {
                             e.printStackTrace();
-                        } catch (NotAGroupMemberException e) {
+                        } catch (GroupNotFoundException | NotAGroupMemberException e) {
                             // We have left this group, so don't send a group update message
                         }
                     }
@@ -1361,8 +1274,8 @@ public class Manager implements Signal {
                 if (attachment.isPointer()) {
                     try {
                         retrieveAttachment(attachment.asPointer());
-                    } catch (IOException | InvalidMessageException e) {
-                        System.err.println("Failed to retrieve attachment (" + attachment.asPointer().getId() + "): " + e.getMessage());
+                    } catch (IOException | InvalidMessageException | MissingConfigurationException e) {
+                        System.err.println("Failed to retrieve attachment (" + attachment.asPointer().getRemoteId() + "): " + e.getMessage());
                     }
                 }
             }
@@ -1394,8 +1307,8 @@ public class Manager implements Signal {
                     SignalServiceAttachmentPointer attachment = preview.getImage().get().asPointer();
                     try {
                         retrieveAttachment(attachment);
-                    } catch (IOException | InvalidMessageException e) {
-                        System.err.println("Failed to retrieve attachment (" + attachment.getId() + "): " + e.getMessage());
+                    } catch (IOException | InvalidMessageException | MissingConfigurationException e) {
+                        System.err.println("Failed to retrieve attachment (" + attachment.getRemoteId() + "): " + e.getMessage());
                     }
                 }
             }
@@ -1457,62 +1370,56 @@ public class Manager implements Signal {
         retryFailedReceivedMessages(handler, ignoreAttachments);
         final SignalServiceMessageReceiver messageReceiver = getMessageReceiver();
 
-        try {
-            if (messagePipe == null) {
-                messagePipe = messageReceiver.createMessagePipe();
-            }
+        if (messagePipe == null) {
+            messagePipe = messageReceiver.createMessagePipe();
+        }
 
-            while (true) {
-                SignalServiceEnvelope envelope;
-                SignalServiceContent content = null;
-                Exception exception = null;
-                final long now = new Date().getTime();
-                try {
-                    envelope = messagePipe.read(timeout, unit, envelope1 -> {
-                        // store message on disk, before acknowledging receipt to the server
-                        try {
-                            File cacheFile = getMessageCacheFile(envelope1.getSourceE164().get(), now, envelope1.getTimestamp());
-                            Utils.storeEnvelope(envelope1, cacheFile);
-                        } catch (IOException e) {
-                            System.err.println("Failed to store encrypted message in disk cache, ignoring: " + e.getMessage());
-                        }
-                    });
-                } catch (TimeoutException e) {
-                    if (returnOnTimeout)
-                        return;
-                    continue;
-                } catch (InvalidVersionException e) {
-                    System.err.println("Ignoring error: " + e.getMessage());
-                    continue;
-                }
-                if (!envelope.isReceipt()) {
-                    try {
-                        content = decryptMessage(envelope);
-                    } catch (Exception e) {
-                        exception = e;
-                    }
-                    handleMessage(envelope, content, ignoreAttachments);
-                }
-                account.save();
-                if (!isMessageBlocked(envelope, content)) {
-                    handler.handleMessage(envelope, content, exception);
-                }
-                if (!(exception instanceof org.whispersystems.libsignal.UntrustedIdentityException)) {
-                    File cacheFile = null;
+        while (true) {
+            SignalServiceEnvelope envelope;
+            SignalServiceContent content = null;
+            Exception exception = null;
+            final long now = new Date().getTime();
+            try {
+                envelope = messagePipe.read(timeout, unit, envelope1 -> {
+                    // store message on disk, before acknowledging receipt to the server
                     try {
-                        cacheFile = getMessageCacheFile(envelope.getSourceE164().get(), now, envelope.getTimestamp());
-                        Files.delete(cacheFile.toPath());
-                        // Try to delete directory if empty
-                        new File(getMessageCachePath()).delete();
+                        String source = envelope1.getSourceE164().isPresent() ? envelope1.getSourceE164().get() : "";
+                        File cacheFile = getMessageCacheFile(source, now, envelope1.getTimestamp());
+                        Utils.storeEnvelope(envelope1, cacheFile);
                     } catch (IOException e) {
-                        System.err.println("Failed to delete cached message file “" + cacheFile + "”: " + e.getMessage());
+                        System.err.println("Failed to store encrypted message in disk cache, ignoring: " + e.getMessage());
                     }
+                });
+            } catch (TimeoutException e) {
+                if (returnOnTimeout)
+                    return;
+                continue;
+            } catch (InvalidVersionException e) {
+                System.err.println("Ignoring error: " + e.getMessage());
+                continue;
+            }
+            if (!envelope.isReceipt()) {
+                try {
+                    content = decryptMessage(envelope);
+                } catch (Exception e) {
+                    exception = e;
                 }
+                handleMessage(envelope, content, ignoreAttachments);
             }
-        } finally {
-            if (messagePipe != null) {
-                messagePipe.shutdown();
-                messagePipe = null;
+            account.save();
+            if (!isMessageBlocked(envelope, content)) {
+                handler.handleMessage(envelope, content, exception);
+            }
+            if (!(exception instanceof org.whispersystems.libsignal.UntrustedIdentityException)) {
+                File cacheFile = null;
+                try {
+                    cacheFile = getMessageCacheFile(envelope.getSourceE164().get(), 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());
+                }
             }
         }
     }
@@ -1558,7 +1465,7 @@ public class Manager implements Signal {
                 if (content.isNeedsReceipt()) {
                     try {
                         sendReceipt(sender, message.getTimestamp());
-                    } catch (IOException | UntrustedIdentityException e) {
+                    } catch (IOException | UntrustedIdentityException | IllegalArgumentException e) {
                         e.printStackTrace();
                     }
                 }
@@ -1577,21 +1484,21 @@ public class Manager implements Signal {
                     if (rm.isContactsRequest()) {
                         try {
                             sendContacts();
-                        } catch (UntrustedIdentityException | IOException e) {
+                        } catch (UntrustedIdentityException | IOException | IllegalArgumentException e) {
                             e.printStackTrace();
                         }
                     }
                     if (rm.isGroupsRequest()) {
                         try {
                             sendGroups();
-                        } catch (UntrustedIdentityException | IOException e) {
+                        } catch (UntrustedIdentityException | IOException | IllegalArgumentException e) {
                             e.printStackTrace();
                         }
                     }
                     if (rm.isBlockedListRequest()) {
                         try {
                             sendBlockedList();
-                        } catch (UntrustedIdentityException | IOException e) {
+                        } catch (UntrustedIdentityException | IOException | IllegalArgumentException e) {
                             e.printStackTrace();
                         }
                     }
@@ -1730,11 +1637,11 @@ public class Manager implements Signal {
     }
 
     private File getContactAvatarFile(String number) {
-        return new File(avatarsPath, "contact-" + number);
+        return new File(pathConfig.getAvatarsPath(), "contact-" + number);
     }
 
-    private File retrieveContactAvatarAttachment(SignalServiceAttachment attachment, String number) throws IOException, InvalidMessageException {
-        IOUtils.createPrivateDirectories(avatarsPath);
+    private File retrieveContactAvatarAttachment(SignalServiceAttachment attachment, String number) throws IOException, InvalidMessageException, MissingConfigurationException {
+        IOUtils.createPrivateDirectories(pathConfig.getAvatarsPath());
         if (attachment.isPointer()) {
             SignalServiceAttachmentPointer pointer = attachment.asPointer();
             return retrieveAttachment(pointer, getContactAvatarFile(number), false);
@@ -1745,11 +1652,11 @@ public class Manager implements Signal {
     }
 
     private File getGroupAvatarFile(byte[] groupId) {
-        return new File(avatarsPath, "group-" + Base64.encodeBytes(groupId).replace("/", "_"));
+        return new File(pathConfig.getAvatarsPath(), "group-" + Base64.encodeBytes(groupId).replace("/", "_"));
     }
 
-    private File retrieveGroupAvatarAttachment(SignalServiceAttachment attachment, byte[] groupId) throws IOException, InvalidMessageException {
-        IOUtils.createPrivateDirectories(avatarsPath);
+    private File retrieveGroupAvatarAttachment(SignalServiceAttachment attachment, byte[] groupId) throws IOException, InvalidMessageException, MissingConfigurationException {
+        IOUtils.createPrivateDirectories(pathConfig.getAvatarsPath());
         if (attachment.isPointer()) {
             SignalServiceAttachmentPointer pointer = attachment.asPointer();
             return retrieveAttachment(pointer, getGroupAvatarFile(groupId), false);
@@ -1759,16 +1666,16 @@ public class Manager implements Signal {
         }
     }
 
-    public File getAttachmentFile(long attachmentId) {
-        return new File(attachmentsPath, attachmentId + "");
+    public File getAttachmentFile(SignalServiceAttachmentRemoteId attachmentId) {
+        return new File(pathConfig.getAttachmentsPath(), attachmentId.toString());
     }
 
-    private File retrieveAttachment(SignalServiceAttachmentPointer pointer) throws IOException, InvalidMessageException {
-        IOUtils.createPrivateDirectories(attachmentsPath);
-        return retrieveAttachment(pointer, getAttachmentFile(pointer.getId()), true);
+    private File retrieveAttachment(SignalServiceAttachmentPointer pointer) throws IOException, InvalidMessageException, MissingConfigurationException {
+        IOUtils.createPrivateDirectories(pathConfig.getAttachmentsPath());
+        return retrieveAttachment(pointer, getAttachmentFile(pointer.getRemoteId()), true);
     }
 
-    private File retrieveAttachment(SignalServiceAttachmentPointer pointer, File outputFile, boolean storePreview) throws IOException, InvalidMessageException {
+    private File retrieveAttachment(SignalServiceAttachmentPointer pointer, File outputFile, boolean storePreview) throws IOException, InvalidMessageException, MissingConfigurationException {
         if (storePreview && pointer.getPreview().isPresent()) {
             File previewFile = new File(outputFile + ".preview");
             try (OutputStream output = new FileOutputStream(previewFile)) {
@@ -1783,7 +1690,7 @@ public class Manager implements Signal {
         final SignalServiceMessageReceiver messageReceiver = getMessageReceiver();
 
         File tmpFile = IOUtils.createTempFile();
-        try (InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile, BaseConfig.MAX_ATTACHMENT_SIZE)) {
+        try (InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile, ServiceConfig.MAX_ATTACHMENT_SIZE)) {
             try (OutputStream output = new FileOutputStream(outputFile)) {
                 byte[] buffer = new byte[4096];
                 int read;
@@ -1805,14 +1712,9 @@ public class Manager implements Signal {
         return outputFile;
     }
 
-    private InputStream retrieveAttachmentAsStream(SignalServiceAttachmentPointer pointer, File tmpFile) throws IOException, InvalidMessageException {
+    private InputStream retrieveAttachmentAsStream(SignalServiceAttachmentPointer pointer, File tmpFile) throws IOException, InvalidMessageException, MissingConfigurationException {
         final SignalServiceMessageReceiver messageReceiver = getMessageReceiver();
-        return messageReceiver.retrieveAttachment(pointer, tmpFile, BaseConfig.MAX_ATTACHMENT_SIZE);
-    }
-
-    @Override
-    public boolean isRemote() {
-        return false;
+        return messageReceiver.retrieveAttachment(pointer, tmpFile, ServiceConfig.MAX_ATTACHMENT_SIZE);
     }
 
     private void sendGroups() throws IOException, UntrustedIdentityException {
@@ -2029,7 +1931,11 @@ public class Manager implements Signal {
     }
 
     public String computeSafetyNumber(SignalServiceAddress theirAddress, IdentityKey theirIdentityKey) {
-        return Utils.computeSafetyNumber(account.getSelfAddress(), getIdentity(), theirAddress, theirIdentityKey);
+        return Utils.computeSafetyNumber(account.getSelfAddress(), getIdentityKeyPair().getPublicKey(), theirAddress, theirIdentityKey);
+    }
+
+    void saveAccount() {
+        account.save();
     }
 
     public SignalServiceAddress canonicalizeAndResolveSignalServiceAddress(String identifier) throws InvalidNumberException {
@@ -2051,6 +1957,21 @@ public class Manager implements Signal {
         return account.getRecipientStore().resolveServiceAddress(address);
     }
 
+    @Override
+    public void close() throws IOException {
+        if (messagePipe != null) {
+            messagePipe.shutdown();
+            messagePipe = null;
+        }
+
+        if (unidentifiedMessagePipe != null) {
+            unidentifiedMessagePipe.shutdown();
+            unidentifiedMessagePipe = null;
+        }
+
+        account.close();
+    }
+
     public interface ReceiveMessageHandler {
 
         void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, Throwable e);