/*
Copyright (C) 2015-2020 AsamK and contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.asamk.signal.manager;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.asamk.signal.storage.SignalAccount;
import org.asamk.signal.storage.contacts.ContactInfo;
import org.asamk.signal.storage.groups.GroupInfo;
import org.asamk.signal.storage.groups.JsonGroupStore;
import org.asamk.signal.storage.protocol.JsonIdentityKeyStore;
import org.asamk.signal.util.IOUtils;
import org.asamk.signal.util.Util;
import org.signal.libsignal.metadata.InvalidMetadataMessageException;
import org.signal.libsignal.metadata.InvalidMetadataVersionException;
import org.signal.libsignal.metadata.ProtocolDuplicateMessageException;
import org.signal.libsignal.metadata.ProtocolInvalidKeyException;
import org.signal.libsignal.metadata.ProtocolInvalidKeyIdException;
import org.signal.libsignal.metadata.ProtocolInvalidMessageException;
import org.signal.libsignal.metadata.ProtocolInvalidVersionException;
import org.signal.libsignal.metadata.ProtocolLegacyMessageException;
import org.signal.libsignal.metadata.ProtocolNoSessionException;
import org.signal.libsignal.metadata.ProtocolUntrustedIdentityException;
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;
import org.whispersystems.libsignal.InvalidKeyException;
import org.whispersystems.libsignal.InvalidMessageException;
import org.whispersystems.libsignal.InvalidVersionException;
import org.whispersystems.libsignal.ecc.Curve;
import org.whispersystems.libsignal.ecc.ECKeyPair;
import org.whispersystems.libsignal.ecc.ECPublicKey;
import org.whispersystems.libsignal.state.PreKeyRecord;
import org.whispersystems.libsignal.state.SignedPreKeyRecord;
import org.whispersystems.libsignal.util.KeyHelper;
import org.whispersystems.libsignal.util.Medium;
import org.whispersystems.libsignal.util.Pair;
import org.whispersystems.libsignal.util.guava.Optional;
import org.whispersystems.signalservice.api.SignalServiceAccountManager;
import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
import org.whispersystems.signalservice.api.SignalServiceMessageSender;
import org.whispersystems.signalservice.api.crypto.InvalidCiphertextException;
import org.whispersystems.signalservice.api.crypto.ProfileCipher;
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.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;
import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
import org.whispersystems.signalservice.api.messages.SignalServiceStickerManifestUpload;
import org.whispersystems.signalservice.api.messages.SignalServiceStickerManifestUpload.StickerInfo;
import org.whispersystems.signalservice.api.messages.multidevice.BlockedListMessage;
import org.whispersystems.signalservice.api.messages.multidevice.ContactsMessage;
import org.whispersystems.signalservice.api.messages.multidevice.DeviceContact;
import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsInputStream;
import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsOutputStream;
import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroup;
import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsInputStream;
import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsOutputStream;
import org.whispersystems.signalservice.api.messages.multidevice.DeviceInfo;
import org.whispersystems.signalservice.api.messages.multidevice.RequestMessage;
import org.whispersystems.signalservice.api.messages.multidevice.SentTranscriptMessage;
import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage;
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;
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;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Objects;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.stream.Collectors;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class Manager implements Closeable {
private final SleepTimer timer = new UptimeSleepTimer();
private final SignalServiceConfiguration serviceConfiguration;
private final String userAgent;
private final SignalAccount account;
private final PathConfig pathConfig;
private SignalServiceAccountManager accountManager;
private SignalServiceMessagePipe messagePipe = null;
private SignalServiceMessagePipe unidentifiedMessagePipe = null;
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 account.getUsername();
}
public SignalServiceAddress getSelfAddress() {
return account.getSelfAddress();
}
private SignalServiceAccountManager createSignalServiceAccountManager() {
return new SignalServiceAccountManager(serviceConfiguration, account.getUuid(), account.getUsername(), account.getPassword(), account.getDeviceId(), userAgent, timer);
}
private IdentityKeyPair getIdentityKeyPair() {
return account.getSignalProtocolStore().getIdentityKeyPair();
}
public int getDeviceId() {
return account.getDeviceId();
}
private String getMessageCachePath() {
return pathConfig.getDataPath() + "/" + account.getUsername() + ".d/msg-cache";
}
private String getMessageCachePath(String sender) {
if (sender == null || sender.isEmpty()) {
return getMessageCachePath();
}
return getMessageCachePath() + "/" + sender.replace("/", "_");
}
private File getMessageCacheFile(String sender, long now, long timestamp) throws IOException {
String cachePath = getMessageCachePath(sender);
IOUtils.createPrivateDirectories(cachePath);
return new File(cachePath + "/" + now + "_" + timestamp);
}
public static Manager init(String username, String settingsPath, SignalServiceConfiguration serviceConfiguration, String userAgent) throws IOException {
PathConfig pathConfig = PathConfig.createDefault(settingsPath);
if (!SignalAccount.userExists(pathConfig.getDataPath(), username)) {
IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
int registrationId = KeyHelper.generateRegistrationId(false);
ProfileKey profileKey = KeyUtils.createProfileKey();
SignalAccount account = SignalAccount.create(pathConfig.getDataPath(), username, identityKey, registrationId, profileKey);
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() {
// Copy group avatars that were previously stored in the attachments folder
// to the new avatar folder
if (JsonGroupStore.groupsWithLegacyAvatarId.size() > 0) {
for (GroupInfo g : JsonGroupStore.groupsWithLegacyAvatarId) {
File avatarFile = getGroupAvatarFile(g.groupId);
File attachmentFile = getAttachmentFile(new SignalServiceAttachmentRemoteId(g.getAvatarId()));
if (!avatarFile.exists() && attachmentFile.exists()) {
try {
IOUtils.createPrivateDirectories(pathConfig.getAvatarsPath());
Files.copy(attachmentFile.toPath(), avatarFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
} catch (Exception e) {
// Ignore
}
}
}
JsonGroupStore.groupsWithLegacyAvatarId.clear();
account.save();
}
if (account.getProfileKey() == null) {
// Old config file, creating new profile key
account.setProfileKey(KeyUtils.createProfileKey());
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.isRegistered();
}
public void register(boolean voiceVerification) throws IOException {
account.setPassword(KeyUtils.createPassword());
// Resetting UUID, because registering doesn't work otherwise
account.setUuid(null);
accountManager = createSignalServiceAccountManager();
if (voiceVerification) {
accountManager.requestVoiceVerificationCode(Locale.getDefault(), Optional.absent(), Optional.absent());
} else {
accountManager.requestSmsVerificationCode(false, Optional.absent(), Optional.absent());
}
account.setRegistered(false);
account.save();
}
public void updateAccountAttributes() throws IOException {
accountManager.setAccountAttributes(account.getSignalingKey(), account.getSignalProtocolStore().getLocalRegistrationId(), true, account.getRegistrationLockPin(), account.getRegistrationLock(), getSelfUnidentifiedAccessKey(), false, ServiceConfig.capabilities);
}
public void setProfileName(String name) throws IOException {
accountManager.setProfileName(account.getProfileKey(), name);
}
public void setProfileAvatar(File avatar) throws IOException {
final StreamDetails streamDetails = Utils.createStreamDetailsFromFile(avatar);
accountManager.setProfileAvatar(account.getProfileKey(), streamDetails);
streamDetails.getStream().close();
}
public void removeProfileAvatar() throws IOException {
accountManager.setProfileAvatar(account.getProfileKey(), null);
}
public void unregister() throws IOException {
// When setting an empty GCM id, the Signal-Server also sets the fetchesMessages property to false.
// If this is the master device, other users can't send messages to this number anymore.
// If this is a linked device, other users can still send messages, but this device doesn't receive them anymore.
accountManager.setGcmId(Optional.absent());
account.setRegistered(false);
account.save();
}
public List<DeviceInfo> getLinkedDevices() throws IOException {
List<DeviceInfo> devices = accountManager.getDevices();
account.setMultiDevice(devices.size() > 1);
account.save();
return devices;
}
public void removeLinkedDevices(int deviceId) throws IOException {
accountManager.removeDevice(deviceId);
List<DeviceInfo> devices = accountManager.getDevices();
account.setMultiDevice(devices.size() > 1);
account.save();
}
public void addDeviceLink(URI linkUri) throws IOException, InvalidKeyException {
Utils.DeviceLinkInfo info = Utils.parseDeviceLinkUri(linkUri);
addDevice(info.deviceIdentifier, info.deviceKey);
}
private void addDevice(String deviceIdentifier, ECPublicKey deviceKey) throws IOException, InvalidKeyException {
IdentityKeyPair identityKeyPair = getIdentityKeyPair();
String verificationCode = accountManager.getNewDeviceVerificationCode();
accountManager.addDevice(deviceIdentifier, deviceKey, identityKeyPair, Optional.of(account.getProfileKey().serialize()), verificationCode);
account.setMultiDevice(true);
account.save();
}
private List<PreKeyRecord> generatePreKeys() {
List<PreKeyRecord> records = new ArrayList<>(ServiceConfig.PREKEY_BATCH_SIZE);
final int offset = account.getPreKeyIdOffset();
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);
records.add(record);
}
account.addPreKeys(records);
account.save();
return records;
}
private SignedPreKeyRecord generateSignedPreKey(IdentityKeyPair identityKeyPair) {
try {
ECKeyPair keyPair = Curve.generateKeyPair();
byte[] signature = Curve.calculateSignature(identityKeyPair.getPrivateKey(), keyPair.getPublicKey().serialize());
SignedPreKeyRecord record = new SignedPreKeyRecord(account.getNextSignedPreKeyId(), System.currentTimeMillis(), keyPair, signature);
account.addSignedPreKey(record);
account.save();
return record;
} catch (InvalidKeyException e) {
throw new AssertionError(e);
}
}
public void verifyAccount(String verificationCode, String pin) throws IOException {
verificationCode = verificationCode.replace("-", "");
account.setSignalingKey(KeyUtils.createSignalingKey());
// TODO make unrestricted unidentified access configurable
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(), getIdentityKeyPair().getPublicKey(), TrustLevel.TRUSTED_VERIFIED);
refreshPreKeys();
account.save();
}
public void setRegistrationLockPin(Optional<String> pin) throws IOException {
if (pin.isPresent()) {
account.setRegistrationLockPin(pin.get());
throw new RuntimeException("Not implemented anymore, will be replaced with KBS");
} else {
account.setRegistrationLockPin(null);
accountManager.removeRegistrationLockV1();
}
account.save();
}
void refreshPreKeys() throws IOException {
List<PreKeyRecord> oneTimePreKeys = generatePreKeys();
final IdentityKeyPair identityKeyPair = getIdentityKeyPair();
SignedPreKeyRecord signedPreKeyRecord = generateSignedPreKey(identityKeyPair);
accountManager.setPreKeys(identityKeyPair.getPublicKey(), signedPreKeyRecord, oneTimePreKeys);
}
private SignalServiceMessageReceiver getMessageReceiver() {
// 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() {
// 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 {
SignalServiceMessagePipe pipe = unidentifiedMessagePipe != null && unidentifiedAccess.isPresent() ? unidentifiedMessagePipe
: messagePipe;
if (pipe != null) {
try {
return pipe.getProfile(address, Optional.absent(), unidentifiedAccess, SignalServiceProfile.RequestType.PROFILE).getProfile();
} catch (IOException ignored) {
}
}
SignalServiceMessageReceiver receiver = getMessageReceiver();
try {
return receiver.retrieveProfile(address, Optional.absent(), unidentifiedAccess, SignalServiceProfile.RequestType.PROFILE).getProfile();
} catch (VerificationFailedException e) {
throw new AssertionError(e);
}
}
private Optional<SignalServiceAttachmentStream> createGroupAvatarAttachment(byte[] groupId) throws IOException {
File file = getGroupAvatarFile(groupId);
if (!file.exists()) {
return Optional.absent();
}
return Optional.of(Utils.createAttachment(file));
}
private Optional<SignalServiceAttachmentStream> createContactAvatarAttachment(String number) throws IOException {
File file = getContactAvatarFile(number);
if (!file.exists()) {
return Optional.absent();
}
return Optional.of(Utils.createAttachment(file));
}
private GroupInfo getGroupForSending(byte[] groupId) throws GroupNotFoundException, NotAGroupMemberException {
GroupInfo g = account.getGroupStore().getGroup(groupId);
if (g == null) {
throw new GroupNotFoundException(groupId);
}
if (!g.isMember(account.getSelfAddress())) {
throw new NotAGroupMemberException(groupId, g.name);
}
return g;
}
public List<GroupInfo> getGroups() {
return account.getGroupStore().getGroups();
}
public long sendGroupMessage(String messageText, List<String> attachments,
byte[] groupId)
throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
if (attachments != null) {
messageBuilder.withAttachments(Utils.getSignalServiceAttachments(attachments));
}
if (groupId != null) {
SignalServiceGroup group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.DELIVER)
.withId(groupId)
.build();
messageBuilder.asGroupMessage(group);
}
final GroupInfo g = getGroupForSending(groupId);
messageBuilder.withExpiration(g.messageExpirationTime);
return sendMessageLegacy(messageBuilder, g.getMembersWithout(account.getSelfAddress()));
}
public void sendGroupMessageReaction(String emoji, boolean remove, String targetAuthor,
long targetSentTimestamp, byte[] groupId)
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);
if (groupId != null) {
SignalServiceGroup group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.DELIVER)
.withId(groupId)
.build();
messageBuilder.asGroupMessage(group);
}
final GroupInfo g = getGroupForSending(groupId);
sendMessageLegacy(messageBuilder, g.getMembersWithout(account.getSelfAddress()));
}
public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions, NotAGroupMemberException {
SignalServiceGroup group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT)
.withId(groupId)
.build();
SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
.asGroupMessage(group);
final GroupInfo g = getGroupForSending(groupId);
g.removeMember(account.getSelfAddress());
account.getGroupStore().updateGroup(g);
sendMessageLegacy(messageBuilder, g.getMembersWithout(account.getSelfAddress()));
}
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
g = new GroupInfo(KeyUtils.createGroupId());
g.addMembers(Collections.singleton(account.getSelfAddress()));
} else {
g = getGroupForSending(groupId);
}
if (name != null) {
g.name = name;
}
if (members != null) {
final Set<String> newE164Members = new HashSet<>();
for (SignalServiceAddress member : members) {
if (g.isMember(member) || !member.getNumber().isPresent()) {
continue;
}
newE164Members.add(member.getNumber().get());
}
final List<ContactTokenDetails> contacts = accountManager.getContacts(newE164Members);
if (contacts.size() != newE164Members.size()) {
// Some of the new members are not registered on Signal
for (ContactTokenDetails contact : contacts) {
newE164Members.remove(contact.getNumber());
}
System.err.println("Failed to add members " + Util.join(", ", newE164Members) + " to group: Not registered on Signal");
System.err.println("Aborting…");
System.exit(1);
}
g.addMembers(members);
}
if (avatarFile != null) {
IOUtils.createPrivateDirectories(pathConfig.getAvatarsPath());
File aFile = getGroupAvatarFile(g.groupId);
Files.copy(Paths.get(avatarFile), aFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
}
account.getGroupStore().updateGroup(g);
SignalServiceDataMessage.Builder messageBuilder = getGroupUpdateMessageBuilder(g);
sendMessageLegacy(messageBuilder, g.getMembersWithout(account.getSelfAddress()));
return g.groupId;
}
void sendUpdateGroupMessage(byte[] groupId, SignalServiceAddress recipient) throws IOException, EncapsulatedExceptions, NotAGroupMemberException, GroupNotFoundException, AttachmentInvalidException {
if (groupId == null) {
return;
}
GroupInfo g = getGroupForSending(groupId);
if (!g.isMember(recipient)) {
return;
}
SignalServiceDataMessage.Builder messageBuilder = getGroupUpdateMessageBuilder(g);
// Send group message only to the recipient who requested it
sendMessageLegacy(messageBuilder, Collections.singleton(recipient));
}
private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfo g) throws AttachmentInvalidException {
SignalServiceGroup.Builder group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.UPDATE)
.withId(g.groupId)
.withName(g.name)
.withMembers(new ArrayList<>(g.getMembers()));
File aFile = getGroupAvatarFile(g.groupId);
if (aFile.exists()) {
try {
group.withAvatar(Utils.createAttachment(aFile));
} catch (IOException e) {
throw new AttachmentInvalidException(aFile.toString(), e);
}
}
return SignalServiceDataMessage.newBuilder()
.asGroupMessage(group.build())
.withExpiration(g.messageExpirationTime);
}
void sendGroupInfoRequest(byte[] groupId, SignalServiceAddress recipient) throws IOException, EncapsulatedExceptions {
if (groupId == null) {
return;
}
SignalServiceGroup.Builder group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.REQUEST_INFO)
.withId(groupId);
SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
.asGroupMessage(group.build());
// Send group info request message to the recipient who sent us a message with this groupId
sendMessageLegacy(messageBuilder, Collections.singleton(recipient));
}
void sendReceipt(SignalServiceAddress remoteAddress, long messageId) throws IOException, UntrustedIdentityException {
SignalServiceReceiptMessage receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.DELIVERY,
Collections.singletonList(messageId),
System.currentTimeMillis());
getMessageSender().sendReceipt(remoteAddress, getAccessFor(remoteAddress), receiptMessage);
}
public long sendMessage(String messageText, List<String> attachments,
List<String> recipients)
throws IOException, EncapsulatedExceptions, AttachmentInvalidException, InvalidNumberException {
final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
if (attachments != null) {
List<SignalServiceAttachment> attachmentStreams = Utils.getSignalServiceAttachments(attachments);
// Upload attachments here, so we only upload once even for multiple recipients
SignalServiceMessageSender messageSender = getMessageSender();
List<SignalServiceAttachment> attachmentPointers = new ArrayList<>(attachmentStreams.size());
for (SignalServiceAttachment attachment : attachmentStreams) {
if (attachment.isStream()) {
attachmentPointers.add(messageSender.uploadAttachment(attachment.asStream()));
} else if (attachment.isPointer()) {
attachmentPointers.add(attachment.asPointer());
}
}
messageBuilder.withAttachments(attachmentPointers);
}
return sendMessageLegacy(messageBuilder, getSignalServiceAddresses(recipients));
}
public void sendMessageReaction(String emoji, boolean remove, String targetAuthor,
long targetSentTimestamp, List<String> recipients)
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));
}
public void sendEndSessionMessage(List<String> recipients) throws IOException, EncapsulatedExceptions, InvalidNumberException {
SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
.asEndSessionMessage();
final Collection<SignalServiceAddress> signalServiceAddresses = getSignalServiceAddresses(recipients);
try {
sendMessageLegacy(messageBuilder, signalServiceAddresses);
} catch (Exception e) {
for (SignalServiceAddress address : signalServiceAddresses) {
handleEndSession(address);
}
account.save();
throw e;
}
}
public String getContactName(String number) throws InvalidNumberException {
ContactInfo contact = account.getContactStore().getContact(canonicalizeAndResolveSignalServiceAddress(number));
if (contact == null) {
return "";
} else {
return contact.name;
}
}
public void setContactName(String number, String name) throws InvalidNumberException {
final SignalServiceAddress address = canonicalizeAndResolveSignalServiceAddress(number);
ContactInfo contact = account.getContactStore().getContact(address);
if (contact == null) {
contact = new ContactInfo(address);
System.err.println("Add contact " + contact.number + " named " + name);
} else {
System.err.println("Updating contact " + contact.number + " name " + contact.name + " -> " + name);
}
contact.name = name;
account.getContactStore().updateContact(contact);
account.save();
}
public void setContactBlocked(String number, boolean blocked) throws InvalidNumberException {
setContactBlocked(canonicalizeAndResolveSignalServiceAddress(number), blocked);
}
private void setContactBlocked(SignalServiceAddress address, boolean blocked) {
ContactInfo contact = account.getContactStore().getContact(address);
if (contact == null) {
contact = new ContactInfo(address);
System.err.println("Adding and " + (blocked ? "blocking" : "unblocking") + " contact " + address.getNumber().orNull());
} else {
System.err.println((blocked ? "Blocking" : "Unblocking") + " contact " + address.getNumber().orNull());
}
contact.blocked = blocked;
account.getContactStore().updateContact(contact);
account.save();
}
public void setGroupBlocked(final byte[] groupId, final boolean blocked) throws GroupNotFoundException {
GroupInfo group = getGroup(groupId);
if (group == null) {
throw new GroupNotFoundException(groupId);
} else {
System.err.println((blocked ? "Blocking" : "Unblocking") + " group " + Base64.encodeBytes(groupId));
group.blocked = blocked;
account.getGroupStore().updateGroup(group);
account.save();
}
}
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;
}
if (name.isEmpty()) {
name = null;
}
if (members.size() == 0) {
members = null;
}
if (avatar.isEmpty()) {
avatar = null;
}
return sendUpdateGroupMessage(groupId, name, members == null ? null : getSignalServiceAddresses(members), avatar);
}
/**
* Change the expiration timer for a contact
*/
public void setExpirationTimer(SignalServiceAddress address, int messageExpirationTimer) throws IOException {
ContactInfo contact = account.getContactStore().getContact(address);
contact.messageExpirationTime = messageExpirationTimer;
account.getContactStore().updateContact(contact);
sendExpirationTimerUpdate(address);
account.save();
}
private void sendExpirationTimerUpdate(SignalServiceAddress address) throws IOException {
final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
.asExpirationUpdate();
sendMessage(messageBuilder, Collections.singleton(address));
}
/**
* Change the expiration timer for a contact
*/
public void setExpirationTimer(String number, int messageExpirationTimer) throws IOException, InvalidNumberException {
SignalServiceAddress address = canonicalizeAndResolveSignalServiceAddress(number);
setExpirationTimer(address, messageExpirationTimer);
}
/**
* Change the expiration timer for a group
*/
public void setExpirationTimer(byte[] groupId, int messageExpirationTimer) {
GroupInfo g = account.getGroupStore().getGroup(groupId);
g.messageExpirationTime = messageExpirationTimer;
account.getGroupStore().updateGroup(g);
}
/**
* Upload the sticker pack from path.
*
* @param path Path can be a path to a manifest.json file or to a zip file that contains a manifest.json file
* @return if successful, returns the URL to install the sticker pack in the signal app
*/
public String uploadStickerPack(String path) throws IOException, StickerPackInvalidException {
SignalServiceStickerManifestUpload manifest = getSignalServiceStickerManifestUpload(path);
SignalServiceMessageSender messageSender = getMessageSender();
byte[] packKey = KeyUtils.createStickerUploadKey();
String packId = messageSender.uploadStickerManifest(manifest, packKey);
try {
return new URI("https", "signal.art", "/addstickers/", "pack_id=" + URLEncoder.encode(packId, "utf-8") + "&pack_key=" + URLEncoder.encode(Hex.toStringCondensed(packKey), "utf-8"))
.toString();
} catch (URISyntaxException e) {
throw new AssertionError(e);
}
}
private SignalServiceStickerManifestUpload getSignalServiceStickerManifestUpload(final String path) throws IOException, StickerPackInvalidException {
ZipFile zip = null;
String rootPath = null;
final File file = new File(path);
if (file.getName().endsWith(".zip")) {
zip = new ZipFile(file);
} else if (file.getName().equals("manifest.json")) {
rootPath = file.getParent();
} else {
throw new StickerPackInvalidException("Could not find manifest.json");
}
JsonStickerPack pack = parseStickerPack(rootPath, zip);
if (pack.stickers == null) {
throw new StickerPackInvalidException("Must set a 'stickers' field.");
}
if (pack.stickers.isEmpty()) {
throw new StickerPackInvalidException("Must include stickers.");
}
List<StickerInfo> stickers = new ArrayList<>(pack.stickers.size());
for (JsonStickerPack.JsonSticker sticker : pack.stickers) {
if (sticker.file == null) {
throw new StickerPackInvalidException("Must set a 'file' field on each sticker.");
}
Pair<InputStream, Long> data;
try {
data = getInputStreamAndLength(rootPath, zip, sticker.file);
} catch (IOException ignored) {
throw new StickerPackInvalidException("Could not find find " + sticker.file);
}
StickerInfo stickerInfo = new StickerInfo(data.first(), data.second(), Optional.fromNullable(sticker.emoji).or(""));
stickers.add(stickerInfo);
}
StickerInfo cover = null;
if (pack.cover != null) {
if (pack.cover.file == null) {
throw new StickerPackInvalidException("Must set a 'file' field on the cover.");
}
Pair<InputStream, Long> data;
try {
data = getInputStreamAndLength(rootPath, zip, pack.cover.file);
} catch (IOException ignored) {
throw new StickerPackInvalidException("Could not find find " + pack.cover.file);
}
cover = new StickerInfo(data.first(), data.second(), Optional.fromNullable(pack.cover.emoji).or(""));
}
return new SignalServiceStickerManifestUpload(
pack.title,
pack.author,
cover,
stickers);
}
private static JsonStickerPack parseStickerPack(String rootPath, ZipFile zip) throws IOException {
InputStream inputStream;
if (zip != null) {
inputStream = zip.getInputStream(zip.getEntry("manifest.json"));
} else {
inputStream = new FileInputStream((new File(rootPath, "manifest.json")));
}
return new ObjectMapper().readValue(inputStream, JsonStickerPack.class);
}
private static Pair<InputStream, Long> getInputStreamAndLength(final String rootPath, final ZipFile zip, final String subfile) throws IOException {
if (zip != null) {
final ZipEntry entry = zip.getEntry(subfile);
return new Pair<>(zip.getInputStream(entry), entry.getSize());
} else {
final File file = new File(rootPath, subfile);
return new Pair<>(new FileInputStream(file), file.length());
}
}
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 {
sendSyncMessage(message);
} catch (UntrustedIdentityException e) {
e.printStackTrace();
}
}
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 {
sendSyncMessage(message);
} catch (UntrustedIdentityException e) {
e.printStackTrace();
}
}
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 {
sendSyncMessage(message);
} catch (UntrustedIdentityException e) {
e.printStackTrace();
}
}
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 {
sendSyncMessage(message);
} catch (UntrustedIdentityException e) {
e.printStackTrace();
}
}
private byte[] getSenderCertificate() {
// TODO support UUID capable sender certificates
// byte[] certificate = accountManager.getSenderCertificate();
byte[] certificate;
try {
certificate = accountManager.getSenderCertificateLegacy();
} catch (IOException e) {
System.err.println("Failed to get sender certificate: " + e);
return null;
}
// TODO cache for a day
return certificate;
}
private byte[] getSelfUnidentifiedAccessKey() {
return UnidentifiedAccess.deriveAccessKeyFrom(account.getProfileKey());
}
private static SignalProfile decryptProfile(SignalServiceProfile encryptedProfile, ProfileKey profileKey) throws IOException {
ProfileCipher profileCipher = new ProfileCipher(profileKey);
try {
return new SignalProfile(
encryptedProfile.getIdentityKey(),
encryptedProfile.getName() == null ? null : new String(profileCipher.decryptName(Base64.decode(encryptedProfile.getName()))),
encryptedProfile.getAvatar(),
encryptedProfile.getUnidentifiedAccess() == null || !profileCipher.verifyUnidentifiedAccess(Base64.decode(encryptedProfile.getUnidentifiedAccess())) ? null : encryptedProfile.getUnidentifiedAccess(),
encryptedProfile.isUnrestrictedUnidentifiedAccess()
);
} catch (InvalidCiphertextException e) {
return null;
}
}
private byte[] getTargetUnidentifiedAccessKey(SignalServiceAddress recipient) {
ContactInfo contact = account.getContactStore().getContact(recipient);
if (contact == null || contact.profileKey == null) {
return null;
}
ProfileKey theirProfileKey;
try {
theirProfileKey = new ProfileKey(Base64.decode(contact.profileKey));
} catch (InvalidInputException | IOException e) {
throw new AssertionError(e);
}
SignalProfile targetProfile;
try {
targetProfile = decryptProfile(getRecipientProfile(recipient, Optional.absent()), theirProfileKey);
} catch (IOException e) {
System.err.println("Failed to get recipient profile: " + e);
return null;
}
if (targetProfile == null || targetProfile.getUnidentifiedAccess() == null) {
return null;
}
if (targetProfile.isUnrestrictedUnidentifiedAccess()) {
return KeyUtils.createUnrestrictedUnidentifiedAccess();
}
return UnidentifiedAccess.deriveAccessKeyFrom(theirProfileKey);
}
private Optional<UnidentifiedAccessPair> getAccessForSync() {
byte[] selfUnidentifiedAccessKey = getSelfUnidentifiedAccessKey();
byte[] selfUnidentifiedAccessCertificate = getSenderCertificate();
if (selfUnidentifiedAccessKey == null || selfUnidentifiedAccessCertificate == null) {
return Optional.absent();
}
try {
return Optional.of(new UnidentifiedAccessPair(
new UnidentifiedAccess(selfUnidentifiedAccessKey, selfUnidentifiedAccessCertificate),
new UnidentifiedAccess(selfUnidentifiedAccessKey, selfUnidentifiedAccessCertificate)
));
} catch (InvalidCertificateException e) {
return Optional.absent();
}
}
private List<Optional<UnidentifiedAccessPair>> getAccessFor(Collection<SignalServiceAddress> recipients) {
List<Optional<UnidentifiedAccessPair>> result = new ArrayList<>(recipients.size());
for (SignalServiceAddress recipient : recipients) {
result.add(getAccessFor(recipient));
}
return result;
}
private Optional<UnidentifiedAccessPair> getAccessFor(SignalServiceAddress recipient) {
byte[] recipientUnidentifiedAccessKey = getTargetUnidentifiedAccessKey(recipient);
byte[] selfUnidentifiedAccessKey = getSelfUnidentifiedAccessKey();
byte[] selfUnidentifiedAccessCertificate = getSenderCertificate();
if (recipientUnidentifiedAccessKey == null || selfUnidentifiedAccessKey == null || selfUnidentifiedAccessCertificate == null) {
return Optional.absent();
}
try {
return Optional.of(new UnidentifiedAccessPair(
new UnidentifiedAccess(recipientUnidentifiedAccessKey, selfUnidentifiedAccessCertificate),
new UnidentifiedAccess(selfUnidentifiedAccessKey, selfUnidentifiedAccessCertificate)
));
} catch (InvalidCertificateException e) {
return Optional.absent();
}
}
private Optional<UnidentifiedAccess> getUnidentifiedAccess(SignalServiceAddress recipient) {
Optional<UnidentifiedAccessPair> unidentifiedAccess = getAccessFor(recipient);
if (unidentifiedAccess.isPresent()) {
return unidentifiedAccess.get().getTargetUnidentifiedAccess();
}
return Optional.absent();
}
private void sendSyncMessage(SignalServiceSyncMessage message)
throws IOException, UntrustedIdentityException {
SignalServiceMessageSender messageSender = getMessageSender();
try {
messageSender.sendMessage(message, getAccessForSync());
} catch (UntrustedIdentityException e) {
account.getSignalProtocolStore().saveIdentity(resolveSignalServiceAddress(e.getIdentifier()), e.getIdentityKey(), TrustLevel.UNTRUSTED);
throw e;
}
}
/**
* This method throws an EncapsulatedExceptions exception instead of returning a list of SendMessageResult.
*/
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<>();
List<UnregisteredUserException> unregisteredUsers = new LinkedList<>();
List<NetworkFailureException> networkExceptions = new LinkedList<>();
for (SendMessageResult result : results) {
if (result.isUnregisteredFailure()) {
unregisteredUsers.add(new UnregisteredUserException(result.getAddress().getLegacyIdentifier(), null));
} else if (result.isNetworkFailure()) {
networkExceptions.add(new NetworkFailureException(result.getAddress().getLegacyIdentifier(), null));
} else if (result.getIdentityFailure() != null) {
untrustedIdentities.add(new UntrustedIdentityException("Untrusted", result.getAddress().getLegacyIdentifier(), result.getIdentityFailure().getIdentityKey()));
}
}
if (!untrustedIdentities.isEmpty() || !unregisteredUsers.isEmpty() || !networkExceptions.isEmpty()) {
throw new EncapsulatedExceptions(untrustedIdentities, unregisteredUsers, networkExceptions);
}
return timestamp;
}
private Collection<SignalServiceAddress> getSignalServiceAddresses(Collection<String> numbers) throws InvalidNumberException {
final Set<SignalServiceAddress> signalServiceAddresses = new HashSet<>(numbers.size());
for (String number : numbers) {
signalServiceAddresses.add(canonicalizeAndResolveSignalServiceAddress(number));
}
return signalServiceAddresses;
}
private List<SendMessageResult> sendMessage(SignalServiceDataMessage.Builder messageBuilder, Collection<SignalServiceAddress> recipients)
throws IOException {
if (messagePipe == null) {
messagePipe = getMessageReceiver().createMessagePipe();
}
if (unidentifiedMessagePipe == null) {
unidentifiedMessagePipe = getMessageReceiver().createUnidentifiedMessagePipe();
}
SignalServiceDataMessage message = null;
try {
message = messageBuilder.build();
if (message.getGroupContext().isPresent()) {
try {
SignalServiceMessageSender messageSender = getMessageSender();
final boolean isRecipientUpdate = false;
List<SendMessageResult> result = messageSender.sendMessage(new ArrayList<>(recipients), getAccessFor(recipients), isRecipientUpdate, message);
for (SendMessageResult r : result) {
if (r.getIdentityFailure() != null) {
account.getSignalProtocolStore().saveIdentity(r.getAddress(), r.getIdentityFailure().getIdentityKey(), TrustLevel.UNTRUSTED);
}
}
return result;
} catch (UntrustedIdentityException e) {
account.getSignalProtocolStore().saveIdentity(resolveSignalServiceAddress(e.getIdentifier()), e.getIdentityKey(), TrustLevel.UNTRUSTED);
return Collections.emptyList();
}
} else {
// Send to all individually, so sync messages are sent correctly
List<SendMessageResult> results = new ArrayList<>(recipients.size());
for (SignalServiceAddress address : recipients) {
ContactInfo contact = account.getContactStore().getContact(address);
if (contact != null) {
messageBuilder.withExpiration(contact.messageExpirationTime);
messageBuilder.withProfileKey(account.getProfileKey().serialize());
} else {
messageBuilder.withExpiration(0);
messageBuilder.withProfileKey(null);
}
message = messageBuilder.build();
if (address.matches(account.getSelfAddress())) {
results.add(sendSelfMessage(message));
} else {
results.add(sendMessage(address, message));
}
}
return results;
}
} finally {
if (message != null && message.isEndSession()) {
for (SignalServiceAddress recipient : recipients) {
handleEndSession(recipient);
}
}
account.save();
}
}
private SendMessageResult sendSelfMessage(SignalServiceDataMessage message) throws IOException {
SignalServiceMessageSender messageSender = getMessageSender();
SignalServiceAddress recipient = account.getSelfAddress();
final Optional<UnidentifiedAccessPair> unidentifiedAccess = getAccessFor(recipient);
SentTranscriptMessage transcript = new SentTranscriptMessage(Optional.of(recipient),
message.getTimestamp(),
message,
message.getExpiresInSeconds(),
Collections.singletonMap(recipient, unidentifiedAccess.isPresent()),
false);
SignalServiceSyncMessage syncMessage = SignalServiceSyncMessage.forSentTranscript(transcript);
try {
messageSender.sendMessage(syncMessage, unidentifiedAccess);
return SendMessageResult.success(recipient, unidentifiedAccess.isPresent(), false);
} catch (UntrustedIdentityException e) {
account.getSignalProtocolStore().saveIdentity(resolveSignalServiceAddress(e.getIdentifier()), e.getIdentityKey(), TrustLevel.UNTRUSTED);
return SendMessageResult.identityFailure(recipient, e.getIdentityKey());
}
}
private SendMessageResult sendMessage(SignalServiceAddress address, SignalServiceDataMessage message) throws IOException {
SignalServiceMessageSender messageSender = getMessageSender();
try {
return messageSender.sendMessage(address, getAccessFor(address), message);
} catch (UntrustedIdentityException e) {
account.getSignalProtocolStore().saveIdentity(resolveSignalServiceAddress(e.getIdentifier()), e.getIdentityKey(), TrustLevel.UNTRUSTED);
return SendMessageResult.identityFailure(address, e.getIdentityKey());
}
}
private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) throws InvalidMetadataMessageException, ProtocolInvalidMessageException, ProtocolDuplicateMessageException, ProtocolLegacyMessageException, ProtocolInvalidKeyIdException, InvalidMetadataVersionException, ProtocolInvalidVersionException, ProtocolNoSessionException, ProtocolInvalidKeyException, SelfSendException, UnsupportedDataMessageException, org.whispersystems.libsignal.UntrustedIdentityException {
SignalServiceCipher cipher = new SignalServiceCipher(account.getSelfAddress(), account.getSignalProtocolStore(), Utils.getCertificateValidator());
try {
return cipher.decrypt(envelope);
} catch (ProtocolUntrustedIdentityException e) {
if (e.getCause() instanceof org.whispersystems.libsignal.UntrustedIdentityException) {
org.whispersystems.libsignal.UntrustedIdentityException identityException = (org.whispersystems.libsignal.UntrustedIdentityException) e.getCause();
account.getSignalProtocolStore().saveIdentity(resolveSignalServiceAddress(identityException.getName()), identityException.getUntrustedIdentity(), TrustLevel.UNTRUSTED);
throw identityException;
}
throw new AssertionError(e);
}
}
private void handleEndSession(SignalServiceAddress source) {
account.getSignalProtocolStore().deleteAllSessions(source);
}
private List<HandleAction> handleSignalServiceDataMessage(SignalServiceDataMessage message, boolean isSync, SignalServiceAddress source, SignalServiceAddress destination, boolean ignoreAttachments) {
List<HandleAction> actions = new ArrayList<>();
if (message.getGroupContext().isPresent() && message.getGroupContext().get().getGroupV1().isPresent()) {
SignalServiceGroup groupInfo = message.getGroupContext().get().getGroupV1().get();
GroupInfo group = account.getGroupStore().getGroup(groupInfo.getGroupId());
switch (groupInfo.getType()) {
case UPDATE:
if (group == null) {
group = new GroupInfo(groupInfo.getGroupId());
}
if (groupInfo.getAvatar().isPresent()) {
SignalServiceAttachment avatar = groupInfo.getAvatar().get();
if (avatar.isPointer()) {
try {
retrieveGroupAvatarAttachment(avatar.asPointer(), group.groupId);
} catch (IOException | InvalidMessageException | MissingConfigurationException e) {
System.err.println("Failed to retrieve group avatar (" + avatar.asPointer().getRemoteId() + "): " + e.getMessage());
}
}
}
if (groupInfo.getName().isPresent()) {
group.name = groupInfo.getName().get();
}
if (groupInfo.getMembers().isPresent()) {
group.addMembers(groupInfo.getMembers().get()
.stream()
.map(this::resolveSignalServiceAddress)
.collect(Collectors.toSet()));
}
account.getGroupStore().updateGroup(group);
break;
case DELIVER:
if (group == null && !isSync) {
actions.add(new SendGroupInfoRequestAction(source, groupInfo.getGroupId()));
}
break;
case QUIT:
if (group != null) {
group.removeMember(source);
account.getGroupStore().updateGroup(group);
}
break;
case REQUEST_INFO:
if (group != null && !isSync) {
actions.add(new SendGroupUpdateAction(source, group.groupId));
}
break;
}
}
final SignalServiceAddress conversationPartnerAddress = isSync ? destination : source;
if (message.isEndSession()) {
handleEndSession(conversationPartnerAddress);
}
if (message.isExpirationUpdate() || message.getBody().isPresent()) {
if (message.getGroupContext().isPresent() && message.getGroupContext().get().getGroupV1().isPresent()) {
SignalServiceGroup groupInfo = message.getGroupContext().get().getGroupV1().get();
GroupInfo group = account.getGroupStore().getGroup(groupInfo.getGroupId());
if (group == null) {
group = new GroupInfo(groupInfo.getGroupId());
}
if (group.messageExpirationTime != message.getExpiresInSeconds()) {
group.messageExpirationTime = message.getExpiresInSeconds();
account.getGroupStore().updateGroup(group);
}
} else {
ContactInfo contact = account.getContactStore().getContact(conversationPartnerAddress);
if (contact == null) {
contact = new ContactInfo(conversationPartnerAddress);
}
if (contact.messageExpirationTime != message.getExpiresInSeconds()) {
contact.messageExpirationTime = message.getExpiresInSeconds();
account.getContactStore().updateContact(contact);
}
}
}
if (message.getAttachments().isPresent() && !ignoreAttachments) {
for (SignalServiceAttachment attachment : message.getAttachments().get()) {
if (attachment.isPointer()) {
try {
retrieveAttachment(attachment.asPointer());
} catch (IOException | InvalidMessageException | MissingConfigurationException e) {
System.err.println("Failed to retrieve attachment (" + attachment.asPointer().getRemoteId() + "): " + e.getMessage());
}
}
}
}
if (message.getProfileKey().isPresent() && message.getProfileKey().get().length == 32) {
if (source.matches(account.getSelfAddress())) {
try {
this.account.setProfileKey(new ProfileKey(message.getProfileKey().get()));
} catch (InvalidInputException ignored) {
}
ContactInfo contact = account.getContactStore().getContact(source);
if (contact != null) {
contact.profileKey = Base64.encodeBytes(message.getProfileKey().get());
account.getContactStore().updateContact(contact);
}
} else {
ContactInfo contact = account.getContactStore().getContact(source);
if (contact == null) {
contact = new ContactInfo(source);
}
contact.profileKey = Base64.encodeBytes(message.getProfileKey().get());
account.getContactStore().updateContact(contact);
}
}
if (message.getPreviews().isPresent()) {
final List<SignalServiceDataMessage.Preview> previews = message.getPreviews().get();
for (SignalServiceDataMessage.Preview preview : previews) {
if (preview.getImage().isPresent() && preview.getImage().get().isPointer()) {
SignalServiceAttachmentPointer attachment = preview.getImage().get().asPointer();
try {
retrieveAttachment(attachment);
} catch (IOException | InvalidMessageException | MissingConfigurationException e) {
System.err.println("Failed to retrieve attachment (" + attachment.getRemoteId() + "): " + e.getMessage());
}
}
}
}
return actions;
}
private void retryFailedReceivedMessages(ReceiveMessageHandler handler, boolean ignoreAttachments) {
final File cachePath = new File(getMessageCachePath());
if (!cachePath.exists()) {
return;
}
for (final File dir : Objects.requireNonNull(cachePath.listFiles())) {
if (!dir.isDirectory()) {
retryFailedReceivedMessage(handler, ignoreAttachments, dir);
continue;
}
for (final File fileEntry : Objects.requireNonNull(dir.listFiles())) {
if (!fileEntry.isFile()) {
continue;
}
retryFailedReceivedMessage(handler, ignoreAttachments, fileEntry);
}
// Try to delete directory if empty
dir.delete();
}
}
private void retryFailedReceivedMessage(final ReceiveMessageHandler handler, final boolean ignoreAttachments, final File fileEntry) {
SignalServiceEnvelope envelope;
try {
envelope = Utils.loadEnvelope(fileEntry);
if (envelope == null) {
return;
}
} catch (IOException e) {
e.printStackTrace();
return;
}
SignalServiceContent content = null;
if (!envelope.isReceipt()) {
try {
content = decryptMessage(envelope);
} catch (Exception e) {
return;
}
List<HandleAction> actions = handleMessage(envelope, content, ignoreAttachments);
for (HandleAction action : actions) {
try {
action.execute(this);
} catch (Throwable e) {
e.printStackTrace();
}
}
}
account.save();
handler.handleMessage(envelope, content, null);
try {
Files.delete(fileEntry.toPath());
} catch (IOException e) {
System.err.println("Failed to delete cached message file “" + fileEntry + "”: " + e.getMessage());
}
}
public void receiveMessages(long timeout, TimeUnit unit, boolean returnOnTimeout, boolean ignoreAttachments, ReceiveMessageHandler handler) throws IOException {
retryFailedReceivedMessages(handler, ignoreAttachments);
final SignalServiceMessageReceiver messageReceiver = getMessageReceiver();
Set<HandleAction> queuedActions = null;
if (messagePipe == null) {
messagePipe = messageReceiver.createMessagePipe();
}
boolean hasCaughtUpWithOldMessages = false;
while (true) {
SignalServiceEnvelope envelope;
SignalServiceContent content = null;
Exception exception = null;
final long now = new Date().getTime();
try {
Optional<SignalServiceEnvelope> result = messagePipe.readOrEmpty(timeout, unit, envelope1 -> {
// store message on disk, before acknowledging receipt to the server
try {
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 store encrypted message in disk cache, ignoring: " + e.getMessage());
}
});
if (result.isPresent()) {
envelope = result.get();
} else {
// Received indicator that server queue is empty
hasCaughtUpWithOldMessages = true;
if (queuedActions != null) {
for (HandleAction action : queuedActions) {
try {
action.execute(this);
} catch (Throwable e) {
e.printStackTrace();
}
}
queuedActions.clear();
queuedActions = null;
}
// Continue to wait another timeout for new messages
continue;
}
} catch (TimeoutException e) {
if (returnOnTimeout)
return;
continue;
} catch (InvalidVersionException e) {
System.err.println("Ignoring error: " + e.getMessage());
continue;
}
if (envelope.hasSource()) {
// Store uuid if we don't have it already
SignalServiceAddress source = envelope.getSourceAddress();
resolveSignalServiceAddress(source);
}
if (!envelope.isReceipt()) {
try {
content = decryptMessage(envelope);
} catch (Exception e) {
exception = e;
}
List<HandleAction> actions = handleMessage(envelope, content, ignoreAttachments);
if (hasCaughtUpWithOldMessages) {
for (HandleAction action : actions) {
try {
action.execute(this);
} catch (Throwable e) {
e.printStackTrace();
}
}
} else {
if (queuedActions == null) {
queuedActions = new HashSet<>();
}
queuedActions.addAll(actions);
}
}
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());
}
}
}
}
private boolean isMessageBlocked(SignalServiceEnvelope envelope, SignalServiceContent content) {
SignalServiceAddress source;
if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
source = envelope.getSourceAddress();
} else if (content != null) {
source = content.getSender();
} else {
return false;
}
ContactInfo sourceContact = account.getContactStore().getContact(source);
if (sourceContact != null && sourceContact.blocked) {
return true;
}
if (content != null && content.getDataMessage().isPresent()) {
SignalServiceDataMessage message = content.getDataMessage().get();
if (message.getGroupContext().isPresent() && message.getGroupContext().get().getGroupV1().isPresent()) {
SignalServiceGroup groupInfo = message.getGroupContext().get().getGroupV1().get();
GroupInfo group = getGroup(groupInfo.getGroupId());
if (groupInfo.getType() == SignalServiceGroup.Type.DELIVER && group != null && group.blocked) {
return true;
}
}
}
return false;
}
private List<HandleAction> handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, boolean ignoreAttachments) {
List<HandleAction> actions = new ArrayList<>();
if (content != null) {
SignalServiceAddress sender;
if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
sender = envelope.getSourceAddress();
} else {
sender = content.getSender();
}
// Store uuid if we don't have it already
resolveSignalServiceAddress(sender);
if (content.getDataMessage().isPresent()) {
SignalServiceDataMessage message = content.getDataMessage().get();
if (content.isNeedsReceipt()) {
actions.add(new SendReceiptAction(sender, message.getTimestamp()));
}
actions.addAll(handleSignalServiceDataMessage(message, false, sender, account.getSelfAddress(), ignoreAttachments));
}
if (content.getSyncMessage().isPresent()) {
account.setMultiDevice(true);
SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
if (syncMessage.getSent().isPresent()) {
SentTranscriptMessage message = syncMessage.getSent().get();
actions.addAll(handleSignalServiceDataMessage(message.getMessage(), true, sender, message.getDestination().orNull(), ignoreAttachments));
}
if (syncMessage.getRequest().isPresent()) {
RequestMessage rm = syncMessage.getRequest().get();
if (rm.isContactsRequest()) {
actions.add(SendSyncContactsAction.create());
}
if (rm.isGroupsRequest()) {
actions.add(SendSyncGroupsAction.create());
}
if (rm.isBlockedListRequest()) {
actions.add(SendSyncBlockedListAction.create());
}
// TODO Handle rm.isConfigurationRequest();
}
if (syncMessage.getGroups().isPresent()) {
File tmpFile = null;
try {
tmpFile = IOUtils.createTempFile();
try (InputStream attachmentAsStream = retrieveAttachmentAsStream(syncMessage.getGroups().get().asPointer(), tmpFile)) {
DeviceGroupsInputStream s = new DeviceGroupsInputStream(attachmentAsStream);
DeviceGroup g;
while ((g = s.read()) != null) {
GroupInfo syncGroup = account.getGroupStore().getGroup(g.getId());
if (syncGroup == null) {
syncGroup = new GroupInfo(g.getId());
}
if (g.getName().isPresent()) {
syncGroup.name = g.getName().get();
}
syncGroup.addMembers(g.getMembers()
.stream()
.map(this::resolveSignalServiceAddress)
.collect(Collectors.toSet()));
if (!g.isActive()) {
syncGroup.removeMember(account.getSelfAddress());
} else {
// Add ourself to the member set as it's marked as active
syncGroup.addMembers(Collections.singleton(account.getSelfAddress()));
}
syncGroup.blocked = g.isBlocked();
if (g.getColor().isPresent()) {
syncGroup.color = g.getColor().get();
}
if (g.getAvatar().isPresent()) {
retrieveGroupAvatarAttachment(g.getAvatar().get(), syncGroup.groupId);
}
syncGroup.inboxPosition = g.getInboxPosition().orNull();
syncGroup.archived = g.isArchived();
account.getGroupStore().updateGroup(syncGroup);
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (tmpFile != null) {
try {
Files.delete(tmpFile.toPath());
} catch (IOException e) {
System.err.println("Failed to delete received groups temp file “" + tmpFile + "”: " + e.getMessage());
}
}
}
}
if (syncMessage.getBlockedList().isPresent()) {
final BlockedListMessage blockedListMessage = syncMessage.getBlockedList().get();
for (SignalServiceAddress address : blockedListMessage.getAddresses()) {
setContactBlocked(resolveSignalServiceAddress(address), true);
}
for (byte[] groupId : blockedListMessage.getGroupIds()) {
try {
setGroupBlocked(groupId, true);
} catch (GroupNotFoundException e) {
System.err.println("BlockedListMessage contained groupID that was not found in GroupStore: " + Base64.encodeBytes(groupId));
}
}
}
if (syncMessage.getContacts().isPresent()) {
File tmpFile = null;
try {
tmpFile = IOUtils.createTempFile();
final ContactsMessage contactsMessage = syncMessage.getContacts().get();
try (InputStream attachmentAsStream = retrieveAttachmentAsStream(contactsMessage.getContactsStream().asPointer(), tmpFile)) {
DeviceContactsInputStream s = new DeviceContactsInputStream(attachmentAsStream);
if (contactsMessage.isComplete()) {
account.getContactStore().clear();
}
DeviceContact c;
while ((c = s.read()) != null) {
if (c.getAddress().matches(account.getSelfAddress()) && c.getProfileKey().isPresent()) {
account.setProfileKey(c.getProfileKey().get());
}
final SignalServiceAddress address = resolveSignalServiceAddress(c.getAddress());
ContactInfo contact = account.getContactStore().getContact(address);
if (contact == null) {
contact = new ContactInfo(address);
}
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().serialize());
}
if (c.getVerified().isPresent()) {
final VerifiedMessage verifiedMessage = c.getVerified().get();
account.getSignalProtocolStore().setIdentityTrustLevel(verifiedMessage.getDestination(), verifiedMessage.getIdentityKey(), TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
}
if (c.getExpirationTimer().isPresent()) {
contact.messageExpirationTime = c.getExpirationTimer().get();
}
contact.blocked = c.isBlocked();
contact.inboxPosition = c.getInboxPosition().orNull();
contact.archived = c.isArchived();
account.getContactStore().updateContact(contact);
if (c.getAvatar().isPresent()) {
retrieveContactAvatarAttachment(c.getAvatar().get(), contact.number);
}
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (tmpFile != null) {
try {
Files.delete(tmpFile.toPath());
} catch (IOException e) {
System.err.println("Failed to delete received contacts temp file “" + tmpFile + "”: " + e.getMessage());
}
}
}
}
if (syncMessage.getVerified().isPresent()) {
final VerifiedMessage verifiedMessage = syncMessage.getVerified().get();
account.getSignalProtocolStore().setIdentityTrustLevel(resolveSignalServiceAddress(verifiedMessage.getDestination()), verifiedMessage.getIdentityKey(), TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
}
if (syncMessage.getConfiguration().isPresent()) {
// TODO
}
}
}
return actions;
}
private File getContactAvatarFile(String number) {
return new File(pathConfig.getAvatarsPath(), "contact-" + number);
}
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);
} else {
SignalServiceAttachmentStream stream = attachment.asStream();
return Utils.retrieveAttachment(stream, getContactAvatarFile(number));
}
}
private File getGroupAvatarFile(byte[] groupId) {
return new File(pathConfig.getAvatarsPath(), "group-" + Base64.encodeBytes(groupId).replace("/", "_"));
}
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);
} else {
SignalServiceAttachmentStream stream = attachment.asStream();
return Utils.retrieveAttachment(stream, getGroupAvatarFile(groupId));
}
}
public File getAttachmentFile(SignalServiceAttachmentRemoteId attachmentId) {
return new File(pathConfig.getAttachmentsPath(), attachmentId.toString());
}
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, MissingConfigurationException {
if (storePreview && pointer.getPreview().isPresent()) {
File previewFile = new File(outputFile + ".preview");
try (OutputStream output = new FileOutputStream(previewFile)) {
byte[] preview = pointer.getPreview().get();
output.write(preview, 0, preview.length);
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
}
}
final SignalServiceMessageReceiver messageReceiver = getMessageReceiver();
File tmpFile = IOUtils.createTempFile();
try (InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile, ServiceConfig.MAX_ATTACHMENT_SIZE)) {
try (OutputStream output = new FileOutputStream(outputFile)) {
byte[] buffer = new byte[4096];
int read;
while ((read = input.read(buffer)) != -1) {
output.write(buffer, 0, read);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
}
} finally {
try {
Files.delete(tmpFile.toPath());
} catch (IOException e) {
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, MissingConfigurationException {
final SignalServiceMessageReceiver messageReceiver = getMessageReceiver();
return messageReceiver.retrieveAttachment(pointer, tmpFile, ServiceConfig.MAX_ATTACHMENT_SIZE);
}
void sendGroups() throws IOException, UntrustedIdentityException {
File groupsFile = IOUtils.createTempFile();
try {
try (OutputStream fos = new FileOutputStream(groupsFile)) {
DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(fos);
for (GroupInfo record : account.getGroupStore().getGroups()) {
out.write(new DeviceGroup(record.groupId, Optional.fromNullable(record.name),
new ArrayList<>(record.getMembers()), createGroupAvatarAttachment(record.groupId),
record.isMember(account.getSelfAddress()), Optional.of(record.messageExpirationTime),
Optional.fromNullable(record.color), record.blocked, Optional.fromNullable(record.inboxPosition), record.archived));
}
}
if (groupsFile.exists() && groupsFile.length() > 0) {
try (FileInputStream groupsFileStream = new FileInputStream(groupsFile)) {
SignalServiceAttachmentStream attachmentStream = SignalServiceAttachment.newStreamBuilder()
.withStream(groupsFileStream)
.withContentType("application/octet-stream")
.withLength(groupsFile.length())
.build();
sendSyncMessage(SignalServiceSyncMessage.forGroups(attachmentStream));
}
}
} finally {
try {
Files.delete(groupsFile.toPath());
} catch (IOException e) {
System.err.println("Failed to delete groups temp file “" + groupsFile + "”: " + e.getMessage());
}
}
}
public void sendContacts() throws IOException, UntrustedIdentityException {
File contactsFile = IOUtils.createTempFile();
try {
try (OutputStream fos = new FileOutputStream(contactsFile)) {
DeviceContactsOutputStream out = new DeviceContactsOutputStream(fos);
for (ContactInfo record : account.getContactStore().getContacts()) {
VerifiedMessage verifiedMessage = null;
JsonIdentityKeyStore.Identity currentIdentity = account.getSignalProtocolStore().getIdentity(record.getAddress());
if (currentIdentity != null) {
verifiedMessage = new VerifiedMessage(record.getAddress(), currentIdentity.getIdentityKey(), currentIdentity.getTrustLevel().toVerifiedState(), currentIdentity.getDateAdded().getTime());
}
ProfileKey profileKey = null;
try {
profileKey = record.profileKey == null ? null : new ProfileKey(Base64.decode(record.profileKey));
} catch (InvalidInputException ignored) {
}
out.write(new DeviceContact(record.getAddress(), Optional.fromNullable(record.name),
createContactAvatarAttachment(record.number), Optional.fromNullable(record.color),
Optional.fromNullable(verifiedMessage), Optional.fromNullable(profileKey), record.blocked,
Optional.of(record.messageExpirationTime),
Optional.fromNullable(record.inboxPosition), record.archived));
}
if (account.getProfileKey() != null) {
// Send our own profile key as well
out.write(new DeviceContact(account.getSelfAddress(),
Optional.absent(), Optional.absent(),
Optional.absent(), Optional.absent(),
Optional.of(account.getProfileKey()),
false, Optional.absent(), Optional.absent(), false));
}
}
if (contactsFile.exists() && contactsFile.length() > 0) {
try (FileInputStream contactsFileStream = new FileInputStream(contactsFile)) {
SignalServiceAttachmentStream attachmentStream = SignalServiceAttachment.newStreamBuilder()
.withStream(contactsFileStream)
.withContentType("application/octet-stream")
.withLength(contactsFile.length())
.build();
sendSyncMessage(SignalServiceSyncMessage.forContacts(new ContactsMessage(attachmentStream, true)));
}
}
} finally {
try {
Files.delete(contactsFile.toPath());
} catch (IOException e) {
System.err.println("Failed to delete contacts temp file “" + contactsFile + "”: " + e.getMessage());
}
}
}
void sendBlockedList() throws IOException, UntrustedIdentityException {
List<SignalServiceAddress> addresses = new ArrayList<>();
for (ContactInfo record : account.getContactStore().getContacts()) {
if (record.blocked) {
addresses.add(record.getAddress());
}
}
List<byte[]> groupIds = new ArrayList<>();
for (GroupInfo record : account.getGroupStore().getGroups()) {
if (record.blocked) {
groupIds.add(record.groupId);
}
}
sendSyncMessage(SignalServiceSyncMessage.forBlocked(new BlockedListMessage(addresses, groupIds)));
}
private void sendVerifiedMessage(SignalServiceAddress destination, IdentityKey identityKey, TrustLevel trustLevel) throws IOException, UntrustedIdentityException {
VerifiedMessage verifiedMessage = new VerifiedMessage(destination, identityKey, trustLevel.toVerifiedState(), System.currentTimeMillis());
sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage));
}
public List<ContactInfo> getContacts() {
return account.getContactStore().getContacts();
}
public ContactInfo getContact(String number) {
return account.getContactStore().getContact(Util.getSignalServiceAddressFromIdentifier(number));
}
public GroupInfo getGroup(byte[] groupId) {
return account.getGroupStore().getGroup(groupId);
}
public List<JsonIdentityKeyStore.Identity> getIdentities() {
return account.getSignalProtocolStore().getIdentities();
}
public List<JsonIdentityKeyStore.Identity> getIdentities(String number) throws InvalidNumberException {
return account.getSignalProtocolStore().getIdentities(canonicalizeAndResolveSignalServiceAddress(number));
}
/**
* Trust this the identity with this fingerprint
*
* @param name username of the identity
* @param fingerprint Fingerprint
*/
public boolean trustIdentityVerified(String name, byte[] fingerprint) throws InvalidNumberException {
SignalServiceAddress address = canonicalizeAndResolveSignalServiceAddress(name);
List<JsonIdentityKeyStore.Identity> ids = account.getSignalProtocolStore().getIdentities(address);
if (ids == null) {
return false;
}
for (JsonIdentityKeyStore.Identity id : ids) {
if (!Arrays.equals(id.getIdentityKey().serialize(), fingerprint)) {
continue;
}
account.getSignalProtocolStore().setIdentityTrustLevel(address, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);
try {
sendVerifiedMessage(address, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);
} catch (IOException | UntrustedIdentityException e) {
e.printStackTrace();
}
account.save();
return true;
}
return false;
}
/**
* Trust this the identity with this safety number
*
* @param name username of the identity
* @param safetyNumber Safety number
*/
public boolean trustIdentityVerifiedSafetyNumber(String name, String safetyNumber) throws InvalidNumberException {
SignalServiceAddress address = canonicalizeAndResolveSignalServiceAddress(name);
List<JsonIdentityKeyStore.Identity> ids = account.getSignalProtocolStore().getIdentities(address);
if (ids == null) {
return false;
}
for (JsonIdentityKeyStore.Identity id : ids) {
if (!safetyNumber.equals(computeSafetyNumber(address, id.getIdentityKey()))) {
continue;
}
account.getSignalProtocolStore().setIdentityTrustLevel(address, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);
try {
sendVerifiedMessage(address, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED);
} catch (IOException | UntrustedIdentityException e) {
e.printStackTrace();
}
account.save();
return true;
}
return false;
}
/**
* Trust all keys of this identity without verification
*
* @param name username of the identity
*/
public boolean trustIdentityAllKeys(String name) {
SignalServiceAddress address = resolveSignalServiceAddress(name);
List<JsonIdentityKeyStore.Identity> ids = account.getSignalProtocolStore().getIdentities(address);
if (ids == null) {
return false;
}
for (JsonIdentityKeyStore.Identity id : ids) {
if (id.getTrustLevel() == TrustLevel.UNTRUSTED) {
account.getSignalProtocolStore().setIdentityTrustLevel(address, id.getIdentityKey(), TrustLevel.TRUSTED_UNVERIFIED);
try {
sendVerifiedMessage(address, id.getIdentityKey(), TrustLevel.TRUSTED_UNVERIFIED);
} catch (IOException | UntrustedIdentityException e) {
e.printStackTrace();
}
}
}
account.save();
return true;
}
public String computeSafetyNumber(SignalServiceAddress theirAddress, IdentityKey theirIdentityKey) {
return Utils.computeSafetyNumber(account.getSelfAddress(), getIdentityKeyPair().getPublicKey(), theirAddress, theirIdentityKey);
}
void saveAccount() {
account.save();
}
public SignalServiceAddress canonicalizeAndResolveSignalServiceAddress(String identifier) throws InvalidNumberException {
String canonicalizedNumber = UuidUtil.isUuid(identifier) ? identifier : Util.canonicalizeNumber(identifier, account.getUsername());
return resolveSignalServiceAddress(canonicalizedNumber);
}
public SignalServiceAddress resolveSignalServiceAddress(String identifier) {
SignalServiceAddress address = Util.getSignalServiceAddressFromIdentifier(identifier);
return resolveSignalServiceAddress(address);
}
public SignalServiceAddress resolveSignalServiceAddress(SignalServiceAddress address) {
if (address.matches(account.getSelfAddress())) {
return account.getSelfAddress();
}
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);
}
}
