X-Git-Url: https://git.nmode.ca/signal-cli/blobdiff_plain/bfb51e414b42c69538498e1aa5cbb7421138d5e2..7443225d96fd830c8abb2afd49381f6b38ce5aec:/src/main/java/org/asamk/signal/Manager.java diff --git a/src/main/java/org/asamk/signal/Manager.java b/src/main/java/org/asamk/signal/Manager.java index 3ce9dfbe..dc3916de 100644 --- a/src/main/java/org/asamk/signal/Manager.java +++ b/src/main/java/org/asamk/signal/Manager.java @@ -27,10 +27,25 @@ import com.fasterxml.jackson.databind.SerializationFeature; import com.fasterxml.jackson.databind.node.ObjectNode; import org.apache.http.util.TextUtils; import org.asamk.Signal; +import org.asamk.signal.storage.contacts.ContactInfo; +import org.asamk.signal.storage.contacts.JsonContactsStore; +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.storage.protocol.JsonSignalProtocolStore; +import org.asamk.signal.storage.threads.JsonThreadStore; +import org.asamk.signal.storage.threads.ThreadInfo; +import org.asamk.signal.util.IOUtils; +import org.asamk.signal.util.KeyUtils; +import org.asamk.signal.util.Util; +import org.signal.libsignal.metadata.*; +import org.signal.libsignal.metadata.certificate.CertificateValidator; import org.whispersystems.libsignal.*; import org.whispersystems.libsignal.ecc.Curve; import org.whispersystems.libsignal.ecc.ECKeyPair; import org.whispersystems.libsignal.ecc.ECPublicKey; +import org.whispersystems.libsignal.fingerprint.Fingerprint; +import org.whispersystems.libsignal.fingerprint.NumericFingerprintGenerator; import org.whispersystems.libsignal.state.PreKeyRecord; import org.whispersystems.libsignal.state.SignedPreKeyRecord; import org.whispersystems.libsignal.util.KeyHelper; @@ -41,20 +56,32 @@ import org.whispersystems.signalservice.api.SignalServiceMessagePipe; import org.whispersystems.signalservice.api.SignalServiceMessageReceiver; import org.whispersystems.signalservice.api.SignalServiceMessageSender; import org.whispersystems.signalservice.api.crypto.SignalServiceCipher; +import org.whispersystems.signalservice.api.crypto.UnidentifiedAccess; +import org.whispersystems.signalservice.api.crypto.UnidentifiedAccessPair; import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException; import org.whispersystems.signalservice.api.messages.*; import org.whispersystems.signalservice.api.messages.multidevice.*; +import org.whispersystems.signalservice.api.push.ContactTokenDetails; import org.whispersystems.signalservice.api.push.SignalServiceAddress; import org.whispersystems.signalservice.api.push.TrustStore; -import org.whispersystems.signalservice.api.push.exceptions.*; +import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException; +import org.whispersystems.signalservice.api.push.exceptions.EncapsulatedExceptions; +import org.whispersystems.signalservice.api.push.exceptions.NetworkFailureException; +import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException; import org.whispersystems.signalservice.api.util.InvalidNumberException; import org.whispersystems.signalservice.api.util.PhoneNumberFormatter; +import org.whispersystems.signalservice.api.util.SleepTimer; +import org.whispersystems.signalservice.api.util.UptimeSleepTimer; +import org.whispersystems.signalservice.internal.configuration.SignalCdnUrl; +import org.whispersystems.signalservice.internal.configuration.SignalContactDiscoveryUrl; +import org.whispersystems.signalservice.internal.configuration.SignalServiceConfiguration; +import org.whispersystems.signalservice.internal.configuration.SignalServiceUrl; import org.whispersystems.signalservice.internal.push.SignalServiceProtos; +import org.whispersystems.signalservice.internal.util.Base64; import java.io.*; import java.net.URI; import java.net.URISyntaxException; -import java.net.URLDecoder; import java.net.URLEncoder; import java.nio.channels.Channels; import java.nio.channels.FileChannel; @@ -68,7 +95,14 @@ import java.util.concurrent.TimeoutException; class Manager implements Signal { private final static String URL = "https://textsecure-service.whispersystems.org"; + private final static String CDN_URL = "https://cdn.signal.org"; private final static TrustStore TRUST_STORE = new WhisperTrustStore(); + private final static SignalServiceConfiguration serviceConfiguration = new SignalServiceConfiguration( + new SignalServiceUrl[]{new SignalServiceUrl(URL, TRUST_STORE)}, + new SignalCdnUrl[]{new SignalCdnUrl(CDN_URL, TRUST_STORE)}, + new SignalContactDiscoveryUrl[0] + ); + private final static String UNIDENTIFIED_SENDER_TRUST_ROOT = "BXu6QIKVz5MA8gstzfOgRQGqyLqOwNKHL6INkv3IHWMF"; public final static String PROJECT_NAME = Manager.class.getPackage().getImplementationTitle(); public final static String PROJECT_VERSION = Manager.class.getPackage().getImplementationVersion(); @@ -76,6 +110,7 @@ class Manager implements Signal { private final static int PREKEY_MINIMUM_COUNT = 20; private static final int PREKEY_BATCH_SIZE = 100; + private static final int MAX_ATTACHMENT_SIZE = 150 * 1024 * 1024; private final String settingsPath; private final String dataPath; @@ -85,11 +120,14 @@ class Manager implements Signal { private FileChannel fileChannel; private FileLock lock; - private final ObjectMapper jsonProcessot = new ObjectMapper(); + private final ObjectMapper jsonProcessor = new ObjectMapper(); private String username; private int deviceId = SignalServiceAddress.DEFAULT_DEVICE_ID; + private boolean isMultiDevice = false; private String password; + private String registrationLockPin; private String signalingKey; + private byte[] profileKey; private int preKeyIdOffset; private int nextSignedPreKeyId; @@ -99,6 +137,11 @@ class Manager implements Signal { private SignalServiceAccountManager accountManager; private JsonGroupStore groupStore; private JsonContactsStore contactStore; + private JsonThreadStore threadStore; + private SignalServiceMessagePipe messagePipe = null; + private SignalServiceMessagePipe unidentifiedMessagePipe = null; + + private SleepTimer timer = new UptimeSleepTimer(); public Manager(String username, String settingsPath) { this.username = username; @@ -107,27 +150,44 @@ class Manager implements Signal { this.attachmentsPath = this.settingsPath + "/attachments"; this.avatarsPath = this.settingsPath + "/avatars"; - jsonProcessot.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.NONE); // disable autodetect - jsonProcessot.enable(SerializationFeature.INDENT_OUTPUT); // for pretty print, you can disable it. - jsonProcessot.enable(SerializationFeature.WRITE_NULL_MAP_VALUES); - jsonProcessot.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES); - jsonProcessot.disable(JsonParser.Feature.AUTO_CLOSE_SOURCE); - jsonProcessot.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET); + jsonProcessor.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.NONE); // disable autodetect + jsonProcessor.enable(SerializationFeature.INDENT_OUTPUT); // for pretty print, you can disable it. + jsonProcessor.enable(SerializationFeature.WRITE_NULL_MAP_VALUES); + jsonProcessor.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES); + jsonProcessor.disable(JsonParser.Feature.AUTO_CLOSE_SOURCE); + jsonProcessor.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET); } public String getUsername() { return username; } + private IdentityKey getIdentity() { + return signalProtocolStore.getIdentityKeyPair().getPublicKey(); + } + public int getDeviceId() { return deviceId; } public String getFileName() { - new File(dataPath).mkdirs(); return dataPath + "/" + username; } + private String getMessageCachePath() { + return this.dataPath + "/" + username + ".d/msg-cache"; + } + + private String getMessageCachePath(String sender) { + 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 boolean userExists() { if (username == null) { return false; @@ -153,6 +213,10 @@ class Manager implements Signal { if (fileChannel != null) return; + IOUtils.createPrivateDirectories(dataPath); + if (!new File(getFileName()).exists()) { + IOUtils.createPrivateFile(getFileName()); + } fileChannel = new RandomAccessFile(new File(getFileName()), "rw").getChannel(); lock = fileChannel.tryLock(); if (lock == null) { @@ -162,9 +226,25 @@ class Manager implements Signal { } } - public void load() throws IOException, InvalidKeyException { + public void init() throws IOException { + load(); + + migrateLegacyConfigs(); + + accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, deviceId, USER_AGENT, timer); + try { + if (registered && accountManager.getPreKeysCount() < PREKEY_MINIMUM_COUNT) { + refreshPreKeys(); + save(); + } + } catch (AuthorizationFailedException e) { + System.err.println("Authorization failed, was the number registered elsewhere?"); + } + } + + private void load() throws IOException { openFileChannel(); - JsonNode rootNode = jsonProcessot.readTree(Channels.newInputStream(fileChannel)); + JsonNode rootNode = jsonProcessor.readTree(Channels.newInputStream(fileChannel)); JsonNode node = rootNode.get("deviceId"); if (node != null) { @@ -172,6 +252,8 @@ class Manager implements Signal { } username = getNotNullNode(rootNode, "username").asText(); password = getNotNullNode(rootNode, "password").asText(); + JsonNode pinNode = rootNode.get("registrationLockPin"); + registrationLockPin = pinNode == null ? null : pinNode.asText(); if (rootNode.has("signalingKey")) { signalingKey = getNotNullNode(rootNode, "signalingKey").asText(); } @@ -185,61 +267,69 @@ class Manager implements Signal { } else { nextSignedPreKeyId = 0; } - signalProtocolStore = jsonProcessot.convertValue(getNotNullNode(rootNode, "axolotlStore"), JsonSignalProtocolStore.class); + if (rootNode.has("profileKey")) { + profileKey = Base64.decode(getNotNullNode(rootNode, "profileKey").asText()); + } else { + // Old config file, creating new profile key + profileKey = KeyUtils.createProfileKey(); + } + + signalProtocolStore = jsonProcessor.convertValue(getNotNullNode(rootNode, "axolotlStore"), JsonSignalProtocolStore.class); registered = getNotNullNode(rootNode, "registered").asBoolean(); JsonNode groupStoreNode = rootNode.get("groupStore"); if (groupStoreNode != null) { - groupStore = jsonProcessot.convertValue(groupStoreNode, JsonGroupStore.class); + groupStore = jsonProcessor.convertValue(groupStoreNode, JsonGroupStore.class); } if (groupStore == null) { groupStore = new JsonGroupStore(); } + + JsonNode contactStoreNode = rootNode.get("contactStore"); + if (contactStoreNode != null) { + contactStore = jsonProcessor.convertValue(contactStoreNode, JsonContactsStore.class); + } + if (contactStore == null) { + contactStore = new JsonContactsStore(); + } + JsonNode threadStoreNode = rootNode.get("threadStore"); + if (threadStoreNode != null) { + threadStore = jsonProcessor.convertValue(threadStoreNode, JsonThreadStore.class); + } + if (threadStore == null) { + threadStore = new JsonThreadStore(); + } + } + + private void migrateLegacyConfigs() { // Copy group avatars that were previously stored in the attachments folder // to the new avatar folder - if (groupStore.groupsWithLegacyAvatarId.size() > 0) { - for (GroupInfo g : groupStore.groupsWithLegacyAvatarId) { + if (JsonGroupStore.groupsWithLegacyAvatarId.size() > 0) { + for (GroupInfo g : JsonGroupStore.groupsWithLegacyAvatarId) { File avatarFile = getGroupAvatarFile(g.groupId); File attachmentFile = getAttachmentFile(g.getAvatarId()); if (!avatarFile.exists() && attachmentFile.exists()) { try { - new File(avatarsPath).mkdirs(); + IOUtils.createPrivateDirectories(avatarsPath); Files.copy(attachmentFile.toPath(), avatarFile.toPath(), StandardCopyOption.REPLACE_EXISTING); } catch (Exception e) { // Ignore } } } - groupStore.groupsWithLegacyAvatarId.clear(); + JsonGroupStore.groupsWithLegacyAvatarId.clear(); save(); } - - JsonNode contactStoreNode = rootNode.get("contactStore"); - if (contactStoreNode != null) { - contactStore = jsonProcessot.convertValue(contactStoreNode, JsonContactsStore.class); - } - if (contactStore == null) { - contactStore = new JsonContactsStore(); - } - - accountManager = new SignalServiceAccountManager(URL, TRUST_STORE, username, password, deviceId, USER_AGENT); - try { - if (registered && accountManager.getPreKeysCount() < PREKEY_MINIMUM_COUNT) { - refreshPreKeys(); - save(); - } - } catch (AuthorizationFailedException e) { - System.err.println("Authorization failed, was the number registered elsewhere?"); - } } private void save() { if (username == null) { return; } - ObjectNode rootNode = jsonProcessot.createObjectNode(); + ObjectNode rootNode = jsonProcessor.createObjectNode(); rootNode.put("username", username) .put("deviceId", deviceId) .put("password", password) + .put("registrationLockPin", registrationLockPin) .put("signalingKey", signalingKey) .put("preKeyIdOffset", preKeyIdOffset) .put("nextSignedPreKeyId", nextSignedPreKeyId) @@ -247,11 +337,12 @@ class Manager implements Signal { .putPOJO("axolotlStore", signalProtocolStore) .putPOJO("groupStore", groupStore) .putPOJO("contactStore", contactStore) + .putPOJO("threadStore", threadStore) ; try { openFileChannel(); fileChannel.position(0); - jsonProcessot.writeValue(Channels.newOutputStream(fileChannel), rootNode); + jsonProcessor.writeValue(Channels.newOutputStream(fileChannel), rootNode); fileChannel.truncate(fileChannel.position()); fileChannel.force(false); } catch (Exception e) { @@ -273,9 +364,9 @@ class Manager implements Signal { } public void register(boolean voiceVerification) throws IOException { - password = Util.getSecret(18); + password = KeyUtils.createPassword(); - accountManager = new SignalServiceAccountManager(URL, TRUST_STORE, username, password, USER_AGENT); + accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, USER_AGENT, timer); if (voiceVerification) accountManager.requestVoiceVerificationCode(); @@ -286,10 +377,21 @@ class Manager implements Signal { save(); } + public void updateAccountAttributes() throws IOException { + accountManager.setAccountAttributes(signalingKey, signalProtocolStore.getLocalRegistrationId(), true, registrationLockPin, getSelfUnidentifiedAccessKey(), false); + } + + 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()); + } + public URI getDeviceLinkUri() throws TimeoutException, IOException { - password = Util.getSecret(18); + password = KeyUtils.createPassword(); - accountManager = new SignalServiceAccountManager(URL, TRUST_STORE, username, password, USER_AGENT); + accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, USER_AGENT, timer); String uuid = accountManager.getNewDeviceUuid(); registered = false; @@ -302,7 +404,7 @@ class Manager implements Signal { } public void finishDeviceLink(String deviceName) throws IOException, InvalidKeyException, TimeoutException, UserAlreadyExists { - signalingKey = Util.getSecret(52); + signalingKey = KeyUtils.createSignalingKey(); SignalServiceAccountManager.NewDeviceRegistrationReturn ret = accountManager.finishNewDeviceRegistration(signalProtocolStore.getIdentityKeyPair(), signalingKey, false, true, signalProtocolStore.getLocalRegistrationId(), deviceName); deviceId = ret.getDeviceId(); username = ret.getNumber(); @@ -313,6 +415,7 @@ class Manager implements Signal { signalProtocolStore = new JsonSignalProtocolStore(ret.getIdentity(), signalProtocolStore.getLocalRegistrationId()); registered = true; + isMultiDevice = true; refreshPreKeys(); requestSyncGroups(); @@ -322,36 +425,17 @@ class Manager implements Signal { } public List getLinkedDevices() throws IOException { - return accountManager.getDevices(); + List devices = accountManager.getDevices(); + isMultiDevice = devices.size() > 1; + return devices; } public void removeLinkedDevices(int deviceId) throws IOException { accountManager.removeDevice(deviceId); } - public static Map getQueryMap(String query) { - String[] params = query.split("&"); - Map map = new HashMap<>(); - for (String param : params) { - String name = null; - try { - name = URLDecoder.decode(param.split("=")[0], "utf-8"); - } catch (UnsupportedEncodingException e) { - // Impossible - } - String value = null; - try { - value = URLDecoder.decode(param.split("=")[1], "utf-8"); - } catch (UnsupportedEncodingException e) { - // Impossible - } - map.put(name, value); - } - return map; - } - public void addDeviceLink(URI linkUri) throws IOException, InvalidKeyException { - Map query = getQueryMap(linkUri.getRawQuery()); + Map query = Util.getQueryMap(linkUri.getRawQuery()); String deviceIdentifier = query.get("uuid"); String publicKeyEncoded = query.get("pub_key"); @@ -368,7 +452,8 @@ class Manager implements Signal { IdentityKeyPair identityKeyPair = signalProtocolStore.getIdentityKeyPair(); String verificationCode = accountManager.getNewDeviceVerificationCode(); - accountManager.addDevice(deviceIdentifier, deviceKey, identityKeyPair, verificationCode); + accountManager.addDevice(deviceIdentifier, deviceKey, identityKeyPair, Optional.of(profileKey), verificationCode); + isMultiDevice = true; } private List generatePreKeys() { @@ -389,24 +474,6 @@ class Manager implements Signal { return records; } - private PreKeyRecord getOrGenerateLastResortPreKey() { - if (signalProtocolStore.containsPreKey(Medium.MAX_VALUE)) { - try { - return signalProtocolStore.loadPreKey(Medium.MAX_VALUE); - } catch (InvalidKeyIdException e) { - signalProtocolStore.removePreKey(Medium.MAX_VALUE); - } - } - - ECKeyPair keyPair = Curve.generateKeyPair(); - PreKeyRecord record = new PreKeyRecord(Medium.MAX_VALUE, keyPair); - - signalProtocolStore.storePreKey(Medium.MAX_VALUE, record); - save(); - - return record; - } - private SignedPreKeyRecord generateSignedPreKey(IdentityKeyPair identityKeyPair) { try { ECKeyPair keyPair = Curve.generateKeyPair(); @@ -423,24 +490,33 @@ class Manager implements Signal { } } - public void verifyAccount(String verificationCode) throws IOException { + public void verifyAccount(String verificationCode, String pin) throws IOException { verificationCode = verificationCode.replace("-", ""); - signalingKey = Util.getSecret(52); - accountManager.verifyAccountWithCode(verificationCode, signalingKey, signalProtocolStore.getLocalRegistrationId(), false, true); + signalingKey = KeyUtils.createSignalingKey(); + accountManager.verifyAccountWithCode(verificationCode, signalingKey, signalProtocolStore.getLocalRegistrationId(), true, pin, getSelfUnidentifiedAccessKey(), false); //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID))); registered = true; + registrationLockPin = pin; refreshPreKeys(); save(); } + public void setRegistrationLockPin(Optional pin) throws IOException { + accountManager.setPin(pin); + if (pin.isPresent()) { + registrationLockPin = pin.get(); + } else { + registrationLockPin = null; + } + } + private void refreshPreKeys() throws IOException { List oneTimePreKeys = generatePreKeys(); - PreKeyRecord lastResortKey = getOrGenerateLastResortPreKey(); SignedPreKeyRecord signedPreKeyRecord = generateSignedPreKey(signalProtocolStore.getIdentityKeyPair()); - accountManager.setPreKeys(signalProtocolStore.getIdentityKeyPair().getPublicKey(), lastResortKey, signedPreKeyRecord, oneTimePreKeys); + accountManager.setPreKeys(signalProtocolStore.getIdentityKeyPair().getPublicKey(), signedPreKeyRecord, oneTimePreKeys); } @@ -466,7 +542,10 @@ class Manager implements Signal { if (mime == null) { mime = "application/octet-stream"; } - return new SignalServiceAttachmentStream(attachmentStream, mime, attachmentSize, null); + // TODO mabybe add a parameter to set the voiceNote, preview, width, height and caption option + Optional preview = Optional.absent(); + Optional caption = Optional.absent(); + return new SignalServiceAttachmentStream(attachmentStream, mime, attachmentSize, Optional.of(attachmentFile.getName()), false, preview, 0, 0, caption, null); } private Optional createGroupAvatarAttachment(byte[] groupId) throws IOException { @@ -487,6 +566,23 @@ class Manager implements Signal { return Optional.of(createAttachment(file)); } + private GroupInfo getGroupForSending(byte[] groupId) throws GroupNotFoundException, NotAGroupMemberException { + GroupInfo g = groupStore.getGroup(groupId); + if (g == null) { + throw new GroupNotFoundException(groupId); + } + for (String member : g.members) { + if (member.equals(this.username)) { + return g; + } + } + throw new NotAGroupMemberException(groupId, g.name); + } + + public List getGroups() { + return groupStore.getGroups(); + } + @Override public void sendGroupMessage(String messageText, List attachments, byte[] groupId) @@ -501,17 +597,17 @@ class Manager implements Signal { .build(); messageBuilder.asGroupMessage(group); } - SignalServiceDataMessage message = messageBuilder.build(); - - GroupInfo g = groupStore.getGroup(groupId); - if (g == null) { - throw new GroupNotFoundException(groupId); + ThreadInfo thread = threadStore.getThread(Base64.encodeBytes(groupId)); + if (thread != null) { + messageBuilder.withExpiration(thread.messageExpirationTime); } + final GroupInfo g = getGroupForSending(groupId); + // Don't send group message to ourself final List membersSend = new ArrayList<>(g.members); membersSend.remove(this.username); - sendMessage(message, membersSend); + sendMessageLegacy(messageBuilder, membersSend); } public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions { @@ -519,31 +615,24 @@ class Manager implements Signal { .withId(groupId) .build(); - SignalServiceDataMessage message = SignalServiceDataMessage.newBuilder() - .asGroupMessage(group) - .build(); + SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder() + .asGroupMessage(group); - final GroupInfo g = groupStore.getGroup(groupId); - if (g == null) { - throw new GroupNotFoundException(groupId); - } + final GroupInfo g = getGroupForSending(groupId); g.members.remove(this.username); groupStore.updateGroup(g); - sendMessage(message, g.members); + sendMessageLegacy(messageBuilder, g.members); } public byte[] sendUpdateGroupMessage(byte[] groupId, String name, Collection members, String avatarFile) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException { GroupInfo g; if (groupId == null) { // Create new group - g = new GroupInfo(Util.getSecretBytes(16)); + g = new GroupInfo(KeyUtils.createGroupId()); g.members.add(username); } else { - g = groupStore.getGroup(groupId); - if (g == null) { - throw new GroupNotFoundException(groupId); - } + g = getGroupForSending(groupId); } if (name != null) { @@ -551,46 +640,102 @@ class Manager implements Signal { } if (members != null) { + Set newMembers = new HashSet<>(); for (String member : members) { try { - g.members.add(canonicalizeNumber(member)); + member = canonicalizeNumber(member); } catch (InvalidNumberException e) { System.err.println("Failed to add member \"" + member + "\" to group: " + e.getMessage()); System.err.println("Aborting…"); System.exit(1); } + if (g.members.contains(member)) { + continue; + } + newMembers.add(member); + g.members.add(member); } + final List contacts = accountManager.getContacts(newMembers); + if (contacts.size() != newMembers.size()) { + // Some of the new members are not registered on Signal + for (ContactTokenDetails contact : contacts) { + newMembers.remove(contact.getNumber()); + } + System.err.println("Failed to add members " + Util.join(", ", newMembers) + " to group: Not registered on Signal"); + System.err.println("Aborting…"); + System.exit(1); + } + } + + if (avatarFile != null) { + IOUtils.createPrivateDirectories(avatarsPath); + File aFile = getGroupAvatarFile(g.groupId); + Files.copy(Paths.get(avatarFile), aFile.toPath(), StandardCopyOption.REPLACE_EXISTING); + } + + groupStore.updateGroup(g); + + SignalServiceDataMessage.Builder messageBuilder = getGroupUpdateMessageBuilder(g); + + // Don't send group message to ourself + final List membersSend = new ArrayList<>(g.members); + membersSend.remove(this.username); + sendMessageLegacy(messageBuilder, membersSend); + return g.groupId; + } + + private void sendUpdateGroupMessage(byte[] groupId, String recipient) throws IOException, EncapsulatedExceptions { + if (groupId == null) { + return; } + GroupInfo g = getGroupForSending(groupId); + + if (!g.members.contains(recipient)) { + return; + } + + SignalServiceDataMessage.Builder messageBuilder = getGroupUpdateMessageBuilder(g); + // Send group message only to the recipient who requested it + final List membersSend = new ArrayList<>(); + membersSend.add(recipient); + sendMessageLegacy(messageBuilder, membersSend); + } + + private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfo g) { SignalServiceGroup.Builder group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.UPDATE) .withId(g.groupId) .withName(g.name) .withMembers(new ArrayList<>(g.members)); File aFile = getGroupAvatarFile(g.groupId); - if (avatarFile != null) { - new File(avatarsPath).mkdirs(); - Files.copy(Paths.get(avatarFile), aFile.toPath(), StandardCopyOption.REPLACE_EXISTING); - } if (aFile.exists()) { try { group.withAvatar(createAttachment(aFile)); } catch (IOException e) { - throw new AttachmentInvalidException(avatarFile, e); + throw new AttachmentInvalidException(aFile.toString(), e); } } - groupStore.updateGroup(g); + return SignalServiceDataMessage.newBuilder() + .asGroupMessage(group.build()); + } - SignalServiceDataMessage message = SignalServiceDataMessage.newBuilder() - .asGroupMessage(group.build()) - .build(); + private void sendGroupInfoRequest(byte[] groupId, String recipient) throws IOException, EncapsulatedExceptions { + if (groupId == null) { + return; + } - // Don't send group message to ourself - final List membersSend = new ArrayList<>(g.members); - membersSend.remove(this.username); - sendMessage(message, membersSend); - return g.groupId; + 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 + final List membersSend = new ArrayList<>(); + membersSend.add(recipient); + sendMessageLegacy(messageBuilder, membersSend); } @Override @@ -609,25 +754,94 @@ class Manager implements Signal { if (attachments != null) { messageBuilder.withAttachments(getSignalServiceAttachments(attachments)); } - SignalServiceDataMessage message = messageBuilder.build(); - - sendMessage(message, recipients); + sendMessageLegacy(messageBuilder, recipients); } @Override public void sendEndSessionMessage(List recipients) throws IOException, EncapsulatedExceptions { - SignalServiceDataMessage message = SignalServiceDataMessage.newBuilder() - .asEndSessionMessage() - .build(); + SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder() + .asEndSessionMessage(); + + sendMessageLegacy(messageBuilder, recipients); + } + + @Override + public String getContactName(String number) { + ContactInfo contact = contactStore.getContact(number); + if (contact == null) { + return ""; + } else { + return contact.name; + } + } + + @Override + public void setContactName(String number, String name) { + ContactInfo contact = contactStore.getContact(number); + if (contact == null) { + contact = new ContactInfo(); + contact.number = number; + System.err.println("Add contact " + number + " named " + name); + } else { + System.err.println("Updating contact " + number + " name " + contact.name + " -> " + name); + } + contact.name = name; + contactStore.updateContact(contact); + save(); + } + + @Override + public List getGroupIds() { + List groups = getGroups(); + List 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 getGroupMembers(byte[] groupId) { + GroupInfo group = getGroup(groupId); + if (group == null) { + return new ArrayList(); + } else { + return new ArrayList(group.members); + } + } - sendMessage(message, recipients); + @Override + public byte[] updateGroup(byte[] groupId, String name, List members, String avatar) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException { + 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, avatar); } private 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 { - sendMessage(message); + sendSyncMessage(message); } catch (UntrustedIdentityException e) { e.printStackTrace(); } @@ -637,73 +851,123 @@ class Manager implements Signal { SignalServiceProtos.SyncMessage.Request r = SignalServiceProtos.SyncMessage.Request.newBuilder().setType(SignalServiceProtos.SyncMessage.Request.Type.CONTACTS).build(); SignalServiceSyncMessage message = SignalServiceSyncMessage.forRequest(new RequestMessage(r)); try { - sendMessage(message); + sendSyncMessage(message); } catch (UntrustedIdentityException e) { e.printStackTrace(); } } - private void sendMessage(SignalServiceSyncMessage message) + private byte[] getSelfUnidentifiedAccessKey() { + return UnidentifiedAccess.deriveAccessKeyFrom(profileKey); + } + + private byte[] getTargetUnidentifiedAccessKey(SignalServiceAddress recipient) { + // TODO implement + return null; + } + + public Optional getAccessForSync() { + // TODO implement + return Optional.absent(); + } + + public List> getAccessFor(Collection recipients) { + List> result = new ArrayList<>(recipients.size()); + for (SignalServiceAddress recipient : recipients) { + result.add(Optional.absent()); + } + return result; + } + + public Optional getAccessFor(SignalServiceAddress recipient) { + // TODO implement + return Optional.absent(); + } + + private void sendSyncMessage(SignalServiceSyncMessage message) throws IOException, UntrustedIdentityException { - SignalServiceMessageSender messageSender = new SignalServiceMessageSender(URL, TRUST_STORE, username, password, - deviceId, signalProtocolStore, USER_AGENT, Optional.absent()); + SignalServiceMessageSender messageSender = new SignalServiceMessageSender(serviceConfiguration, username, password, + deviceId, signalProtocolStore, USER_AGENT, isMultiDevice, Optional.fromNullable(messagePipe), Optional.fromNullable(unidentifiedMessagePipe), Optional.absent()); try { - messageSender.sendMessage(message); + messageSender.sendMessage(message, getAccessForSync()); } catch (UntrustedIdentityException e) { signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED); throw e; } } - private void sendMessage(SignalServiceDataMessage message, Collection recipients) + /** + * This method throws an EncapsulatedExceptions exception instead of returning a list of SendMessageResult. + */ + private void sendMessageLegacy(SignalServiceDataMessage.Builder messageBuilder, Collection recipients) throws EncapsulatedExceptions, IOException { - Set recipientsTS = new HashSet<>(recipients.size()); - for (String recipient : recipients) { - try { - recipientsTS.add(getPushAddress(recipient)); - } catch (InvalidNumberException e) { - System.err.println("Failed to add recipient \"" + recipient + "\": " + e.getMessage()); - System.err.println("Aborting sending."); - save(); - return; + List results = sendMessage(messageBuilder, recipients); + + List untrustedIdentities = new LinkedList<>(); + List unregisteredUsers = new LinkedList<>(); + List networkExceptions = new LinkedList<>(); + + for (SendMessageResult result : results) { + if (result.isUnregisteredFailure()) { + unregisteredUsers.add(new UnregisteredUserException(result.getAddress().getNumber(), null)); + } else if (result.isNetworkFailure()) { + networkExceptions.add(new NetworkFailureException(result.getAddress().getNumber(), null)); + } else if (result.getIdentityFailure() != null) { + untrustedIdentities.add(new UntrustedIdentityException("Untrusted", result.getAddress().getNumber(), result.getIdentityFailure().getIdentityKey())); } } + if (!untrustedIdentities.isEmpty() || !unregisteredUsers.isEmpty() || !networkExceptions.isEmpty()) { + throw new EncapsulatedExceptions(untrustedIdentities, unregisteredUsers, networkExceptions); + } + } + + private List sendMessage(SignalServiceDataMessage.Builder messageBuilder, Collection recipients) + throws IOException { + Set recipientsTS = getSignalServiceAddresses(recipients); + if (recipientsTS == null) return Collections.emptyList(); + SignalServiceDataMessage message = null; try { - SignalServiceMessageSender messageSender = new SignalServiceMessageSender(URL, TRUST_STORE, username, password, - deviceId, signalProtocolStore, USER_AGENT, Optional.absent()); + SignalServiceMessageSender messageSender = new SignalServiceMessageSender(serviceConfiguration, username, password, + deviceId, signalProtocolStore, USER_AGENT, isMultiDevice, Optional.fromNullable(messagePipe), Optional.fromNullable(unidentifiedMessagePipe), Optional.absent()); + message = messageBuilder.build(); if (message.getGroupInfo().isPresent()) { try { - messageSender.sendMessage(new ArrayList<>(recipientsTS), message); - } catch (EncapsulatedExceptions encapsulatedExceptions) { - for (UntrustedIdentityException e : encapsulatedExceptions.getUntrustedIdentityExceptions()) { - signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED); + List result = messageSender.sendMessage(new ArrayList<>(recipientsTS), getAccessFor(recipientsTS), message); + for (SendMessageResult r : result) { + if (r.getIdentityFailure() != null) { + signalProtocolStore.saveIdentity(r.getAddress().getNumber(), r.getIdentityFailure().getIdentityKey(), TrustLevel.UNTRUSTED); + } } + return result; + } catch (UntrustedIdentityException e) { + signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED); + return Collections.emptyList(); } } else { // Send to all individually, so sync messages are sent correctly - List untrustedIdentities = new LinkedList<>(); - List unregisteredUsers = new LinkedList<>(); - List networkExceptions = new LinkedList<>(); + List results = new ArrayList<>(recipientsTS.size()); for (SignalServiceAddress address : recipientsTS) { + ThreadInfo thread = threadStore.getThread(address.getNumber()); + if (thread != null) { + messageBuilder.withExpiration(thread.messageExpirationTime); + } else { + messageBuilder.withExpiration(0); + } + message = messageBuilder.build(); try { - messageSender.sendMessage(address, message); + SendMessageResult result = messageSender.sendMessage(address, getAccessFor(address), message); + results.add(result); } catch (UntrustedIdentityException e) { signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED); - untrustedIdentities.add(e); - } catch (UnregisteredUserException e) { - unregisteredUsers.add(e); - } catch (PushNetworkException e) { - networkExceptions.add(new NetworkFailureException(address.getNumber(), e)); + results.add(SendMessageResult.identityFailure(address, e.getIdentityKey())); } } - if (!untrustedIdentities.isEmpty() || !unregisteredUsers.isEmpty() || !networkExceptions.isEmpty()) { - throw new EncapsulatedExceptions(untrustedIdentities, unregisteredUsers, networkExceptions); - } + return results; } } finally { - if (message.isEndSession()) { + if (message != null && message.isEndSession()) { for (SignalServiceAddress recipient : recipientsTS) { handleEndSession(recipient.getNumber()); } @@ -712,15 +976,37 @@ class Manager implements Signal { } } - private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) throws NoSessionException, LegacyMessageException, InvalidVersionException, InvalidMessageException, DuplicateMessageException, InvalidKeyException, InvalidKeyIdException, org.whispersystems.libsignal.UntrustedIdentityException { - SignalServiceCipher cipher = new SignalServiceCipher(new SignalServiceAddress(username), signalProtocolStore); + private Set getSignalServiceAddresses(Collection recipients) { + Set recipientsTS = new HashSet<>(recipients.size()); + for (String recipient : recipients) { + try { + recipientsTS.add(getPushAddress(recipient)); + } catch (InvalidNumberException e) { + System.err.println("Failed to add recipient \"" + recipient + "\": " + e.getMessage()); + System.err.println("Aborting sending."); + save(); + return null; + } + } + return recipientsTS; + } + + public static CertificateValidator getCertificateValidator() { + try { + ECPublicKey unidentifiedSenderTrustRoot = Curve.decodePoint(Base64.decode(UNIDENTIFIED_SENDER_TRUST_ROOT), 0); + return new CertificateValidator(unidentifiedSenderTrustRoot); + } catch (InvalidKeyException | IOException e) { + throw new AssertionError(e); + } + } + + private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) throws org.whispersystems.libsignal.UntrustedIdentityException, InvalidMetadataMessageException, ProtocolInvalidMessageException, ProtocolDuplicateMessageException, ProtocolLegacyMessageException, ProtocolInvalidKeyIdException, InvalidMetadataVersionException, ProtocolInvalidVersionException, ProtocolNoSessionException, ProtocolInvalidKeyException, ProtocolUntrustedIdentityException, SelfSendException { + SignalServiceCipher cipher = new SignalServiceCipher(new SignalServiceAddress(username), signalProtocolStore, getCertificateValidator()); try { return cipher.decrypt(envelope); - } catch (org.whispersystems.libsignal.UntrustedIdentityException e) { - // TODO temporarily store message, until user has accepted the key - signalProtocolStore.saveIdentity(e.getName(), e.getUntrustedIdentity(), TrustLevel.UNTRUSTED); - throw e; - } catch (Exception e) { + } catch (ProtocolUntrustedIdentityException e) { + // TODO We don't get the new untrusted identity from ProtocolUntrustedIdentityException anymore ... we need to get it from somewhere else +// signalProtocolStore.saveIdentity(e.getSender(), e.getUntrustedIdentity(), TrustLevel.UNTRUSTED); throw e; } } @@ -730,16 +1016,17 @@ class Manager implements Signal { } public interface ReceiveMessageHandler { - void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent); + void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, Throwable e); } - private void handleSignalServiceDataMessage(SignalServiceDataMessage message, boolean isSync, String source, String destination) { + private void handleSignalServiceDataMessage(SignalServiceDataMessage message, boolean isSync, String source, String destination, boolean ignoreAttachments) { + String threadId; if (message.getGroupInfo().isPresent()) { SignalServiceGroup groupInfo = message.getGroupInfo().get(); + threadId = Base64.encodeBytes(groupInfo.getGroupId()); + GroupInfo group = groupStore.getGroup(groupInfo.getGroupId()); switch (groupInfo.getType()) { case UPDATE: - GroupInfo group; - group = groupStore.getGroup(groupInfo.getGroupId()); if (group == null) { group = new GroupInfo(groupInfo.getGroupId()); } @@ -766,20 +1053,60 @@ class Manager implements Signal { groupStore.updateGroup(group); break; case DELIVER: + if (group == null) { + try { + sendGroupInfoRequest(groupInfo.getGroupId(), source); + } catch (IOException | EncapsulatedExceptions e) { + e.printStackTrace(); + } + } break; case QUIT: - group = groupStore.getGroup(groupInfo.getGroupId()); - if (group != null) { + if (group == null) { + try { + sendGroupInfoRequest(groupInfo.getGroupId(), source); + } catch (IOException | EncapsulatedExceptions e) { + e.printStackTrace(); + } + } else { group.members.remove(source); groupStore.updateGroup(group); } break; + case REQUEST_INFO: + if (group != null) { + try { + sendUpdateGroupMessage(groupInfo.getGroupId(), source); + } catch (IOException | EncapsulatedExceptions e) { + e.printStackTrace(); + } catch (NotAGroupMemberException e) { + // We have left this group, so don't send a group update message + } + } + break; + } + } else { + if (isSync) { + threadId = destination; + } else { + threadId = source; } } if (message.isEndSession()) { handleEndSession(isSync ? destination : source); } - if (message.getAttachments().isPresent()) { + if (message.isExpirationUpdate() || message.getBody().isPresent()) { + ThreadInfo thread = threadStore.getThread(threadId); + if (thread == null) { + thread = new ThreadInfo(); + thread.id = threadId; + } + if (thread.messageExpirationTime != message.getExpiresInSeconds()) { + thread.messageExpirationTime = message.getExpiresInSeconds(); + threadStore.updateThread(thread); + } + } + if (message.getAttachments().isPresent() && !ignoreAttachments) { for (SignalServiceAttachment attachment : message.getAttachments().get()) { if (attachment.isPointer()) { try { @@ -790,116 +1117,328 @@ class Manager implements Signal { } } } + if (message.getProfileKey().isPresent() && message.getProfileKey().get().length == 32) { + ContactInfo contact = contactStore.getContact(source); + if (contact == null) { + contact = new ContactInfo(); + contact.number = source; + } + contact.profileKey = Base64.encodeBytes(message.getProfileKey().get()); + } + } + + public void retryFailedReceivedMessages(ReceiveMessageHandler handler, boolean ignoreAttachments) { + final File cachePath = new File(getMessageCachePath()); + if (!cachePath.exists()) { + return; + } + for (final File dir : cachePath.listFiles()) { + if (!dir.isDirectory()) { + continue; + } + + for (final File fileEntry : dir.listFiles()) { + if (!fileEntry.isFile()) { + continue; + } + SignalServiceEnvelope envelope; + try { + envelope = loadEnvelope(fileEntry); + if (envelope == null) { + continue; + } + } catch (IOException e) { + e.printStackTrace(); + continue; + } + SignalServiceContent content = null; + if (!envelope.isReceipt()) { + try { + content = decryptMessage(envelope); + } catch (Exception e) { + continue; + } + handleMessage(envelope, content, ignoreAttachments); + } + 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()); + } + } + // Try to delete directory if empty + dir.delete(); + } } - public void receiveMessages(int timeoutSeconds, boolean returnOnTimeout, ReceiveMessageHandler handler) throws IOException { - final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(URL, TRUST_STORE, username, password, deviceId, signalingKey, USER_AGENT); - SignalServiceMessagePipe messagePipe = null; + public void receiveMessages(long timeout, TimeUnit unit, boolean returnOnTimeout, boolean ignoreAttachments, ReceiveMessageHandler handler) throws IOException { + retryFailedReceivedMessages(handler, ignoreAttachments); + final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceConfiguration, username, password, deviceId, signalingKey, USER_AGENT, null, timer); try { - 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(timeoutSeconds, TimeUnit.SECONDS); - if (!envelope.isReceipt()) { - Exception exception; + envelope = messagePipe.read(timeout, unit, new SignalServiceMessagePipe.MessagePipeCallback() { + @Override + public void onMessage(SignalServiceEnvelope envelope) { + // store message on disk, before acknowledging receipt to the server + try { + File cacheFile = getMessageCacheFile(envelope.getSource(), now, envelope.getTimestamp()); + storeEnvelope(envelope, 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); + } + save(); + handler.handleMessage(envelope, content, exception); + if (exception == null || !(exception instanceof org.whispersystems.libsignal.UntrustedIdentityException)) { + File cacheFile = null; + try { + cacheFile = getMessageCacheFile(envelope.getSource(), now, envelope.getTimestamp()); + Files.delete(cacheFile.toPath()); + // Try to delete directory if empty + new File(getMessageCachePath()).delete(); + } catch (IOException e) { + System.err.println("Failed to delete cached message file “" + cacheFile + "”: " + e.getMessage()); + } + } + } + } finally { + if (messagePipe != null) { + messagePipe.shutdown(); + messagePipe = null; + } + } + } + + private void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, boolean ignoreAttachments) { + if (content != null) { + if (content.getDataMessage().isPresent()) { + SignalServiceDataMessage message = content.getDataMessage().get(); + handleSignalServiceDataMessage(message, false, envelope.getSource(), username, ignoreAttachments); + } + if (content.getSyncMessage().isPresent()) { + isMultiDevice = true; + SignalServiceSyncMessage syncMessage = content.getSyncMessage().get(); + if (syncMessage.getSent().isPresent()) { + SignalServiceDataMessage message = syncMessage.getSent().get().getMessage(); + handleSignalServiceDataMessage(message, true, envelope.getSource(), syncMessage.getSent().get().getDestination().get(), ignoreAttachments); + } + if (syncMessage.getRequest().isPresent()) { + RequestMessage rm = syncMessage.getRequest().get(); + if (rm.isContactsRequest()) { try { - content = decryptMessage(envelope); - } catch (Exception e) { - exception = e; - // TODO pass exception to handler instead + sendContacts(); + } catch (UntrustedIdentityException | IOException e) { e.printStackTrace(); } - if (content != null) { - if (content.getDataMessage().isPresent()) { - SignalServiceDataMessage message = content.getDataMessage().get(); - handleSignalServiceDataMessage(message, false, envelope.getSource(), username); + } + if (rm.isGroupsRequest()) { + try { + sendGroups(); + } catch (UntrustedIdentityException | IOException e) { + e.printStackTrace(); + } + } + } + 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 = groupStore.getGroup(g.getId()); + if (syncGroup == null) { + syncGroup = new GroupInfo(g.getId()); + } + if (g.getName().isPresent()) { + syncGroup.name = g.getName().get(); + } + syncGroup.members.addAll(g.getMembers()); + syncGroup.active = g.isActive(); + if (g.getColor().isPresent()) { + syncGroup.color = g.getColor().get(); + } + + if (g.getAvatar().isPresent()) { + retrieveGroupAvatarAttachment(g.getAvatar().get(), syncGroup.groupId); + } + groupStore.updateGroup(syncGroup); + } + } + } 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 (content.getSyncMessage().isPresent()) { - SignalServiceSyncMessage syncMessage = content.getSyncMessage().get(); - if (syncMessage.getSent().isPresent()) { - SignalServiceDataMessage message = syncMessage.getSent().get().getMessage(); - handleSignalServiceDataMessage(message, true, envelope.getSource(), syncMessage.getSent().get().getDestination().get()); + } + } + if (syncMessage.getBlockedList().isPresent()) { + // TODO store list of blocked numbers + } + } + 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()) { + contactStore.clear(); + } + DeviceContact c; + while ((c = s.read()) != null) { + ContactInfo contact = contactStore.getContact(c.getNumber()); + if (contact == null) { + contact = new ContactInfo(); + contact.number = c.getNumber(); + } + if (c.getName().isPresent()) { + contact.name = c.getName().get(); + } + if (c.getColor().isPresent()) { + contact.color = c.getColor().get(); } - if (syncMessage.getRequest().isPresent()) { - RequestMessage rm = syncMessage.getRequest().get(); - if (rm.isContactsRequest()) { - try { - sendContacts(); - } catch (UntrustedIdentityException e) { - e.printStackTrace(); - } - } - if (rm.isGroupsRequest()) { - try { - sendGroups(); - } catch (UntrustedIdentityException e) { - e.printStackTrace(); - } - } + if (c.getProfileKey().isPresent()) { + contact.profileKey = Base64.encodeBytes(c.getProfileKey().get()); } - if (syncMessage.getGroups().isPresent()) { - try { - DeviceGroupsInputStream s = new DeviceGroupsInputStream(retrieveAttachmentAsStream(syncMessage.getGroups().get().asPointer())); - DeviceGroup g; - while ((g = s.read()) != null) { - GroupInfo syncGroup = groupStore.getGroup(g.getId()); - if (syncGroup == null) { - syncGroup = new GroupInfo(g.getId()); - } - if (g.getName().isPresent()) { - syncGroup.name = g.getName().get(); - } - syncGroup.members.addAll(g.getMembers()); - syncGroup.active = g.isActive(); - - if (g.getAvatar().isPresent()) { - retrieveGroupAvatarAttachment(g.getAvatar().get(), syncGroup.groupId); - } - groupStore.updateGroup(syncGroup); - } - } catch (Exception e) { - e.printStackTrace(); - } + if (c.getVerified().isPresent()) { + final VerifiedMessage verifiedMessage = c.getVerified().get(); + signalProtocolStore.saveIdentity(verifiedMessage.getDestination(), verifiedMessage.getIdentityKey(), TrustLevel.fromVerifiedState(verifiedMessage.getVerified())); } - if (syncMessage.getContacts().isPresent()) { - try { - DeviceContactsInputStream s = new DeviceContactsInputStream(retrieveAttachmentAsStream(syncMessage.getContacts().get().asPointer())); - DeviceContact c; - while ((c = s.read()) != null) { - ContactInfo contact = new ContactInfo(); - contact.number = c.getNumber(); - if (c.getName().isPresent()) { - contact.name = c.getName().get(); - } - contactStore.updateContact(contact); - - if (c.getAvatar().isPresent()) { - retrieveContactAvatarAttachment(c.getAvatar().get(), contact.number); - } - } - } catch (Exception e) { - e.printStackTrace(); - } + if (c.getExpirationTimer().isPresent()) { + ThreadInfo thread = threadStore.getThread(c.getNumber()); + thread.messageExpirationTime = c.getExpirationTimer().get(); + threadStore.updateThread(thread); + } + if (c.isBlocked()) { + // TODO store list of blocked numbers + } + contactStore.updateContact(contact); + + if (c.getAvatar().isPresent()) { + retrieveContactAvatarAttachment(c.getAvatar().get(), contact.number); } } } + } catch (Exception e) { + 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()); + } + } } - save(); - handler.handleMessage(envelope, content); - } catch (TimeoutException e) { - if (returnOnTimeout) - return; - } catch (InvalidVersionException e) { - System.err.println("Ignoring error: " + e.getMessage()); + } + if (syncMessage.getVerified().isPresent()) { + final VerifiedMessage verifiedMessage = syncMessage.getVerified().get(); + signalProtocolStore.saveIdentity(verifiedMessage.getDestination(), verifiedMessage.getIdentityKey(), TrustLevel.fromVerifiedState(verifiedMessage.getVerified())); } } - } finally { - if (messagePipe != null) - messagePipe.shutdown(); + } + } + + private SignalServiceEnvelope loadEnvelope(File file) throws IOException { + try (FileInputStream f = new FileInputStream(file)) { + DataInputStream in = new DataInputStream(f); + int version = in.readInt(); + if (version > 2) { + return null; + } + int type = in.readInt(); + String source = in.readUTF(); + int sourceDevice = in.readInt(); + if (version == 1) { + // read legacy relay field + in.readUTF(); + } + long timestamp = in.readLong(); + byte[] content = null; + int contentLen = in.readInt(); + if (contentLen > 0) { + content = new byte[contentLen]; + in.readFully(content); + } + byte[] legacyMessage = null; + int legacyMessageLen = in.readInt(); + if (legacyMessageLen > 0) { + legacyMessage = new byte[legacyMessageLen]; + in.readFully(legacyMessage); + } + long serverTimestamp = 0; + String uuid = null; + if (version == 2) { + serverTimestamp = in.readLong(); + uuid = in.readUTF(); + if ("".equals(uuid)) { + uuid = null; + } + } + return new SignalServiceEnvelope(type, source, sourceDevice, timestamp, legacyMessage, content, serverTimestamp, uuid); + } + } + + private void storeEnvelope(SignalServiceEnvelope envelope, File file) throws IOException { + try (FileOutputStream f = new FileOutputStream(file)) { + try (DataOutputStream out = new DataOutputStream(f)) { + out.writeInt(2); // version + out.writeInt(envelope.getType()); + out.writeUTF(envelope.getSource()); + out.writeInt(envelope.getSourceDevice()); + out.writeLong(envelope.getTimestamp()); + if (envelope.hasContent()) { + out.writeInt(envelope.getContent().length); + out.write(envelope.getContent()); + } else { + out.writeInt(0); + } + if (envelope.hasLegacyMessage()) { + out.writeInt(envelope.getLegacyMessage().length); + out.write(envelope.getLegacyMessage()); + } else { + out.writeInt(0); + } + out.writeLong(envelope.getServerTimestamp()); + String uuid = envelope.getUuid(); + out.writeUTF(uuid == null ? "" : uuid); + } } } @@ -908,7 +1447,7 @@ class Manager implements Signal { } private File retrieveContactAvatarAttachment(SignalServiceAttachment attachment, String number) throws IOException, InvalidMessageException { - new File(avatarsPath).mkdirs(); + IOUtils.createPrivateDirectories(avatarsPath); if (attachment.isPointer()) { SignalServiceAttachmentPointer pointer = attachment.asPointer(); return retrieveAttachment(pointer, getContactAvatarFile(number), false); @@ -923,7 +1462,7 @@ class Manager implements Signal { } private File retrieveGroupAvatarAttachment(SignalServiceAttachment attachment, byte[] groupId) throws IOException, InvalidMessageException { - new File(avatarsPath).mkdirs(); + IOUtils.createPrivateDirectories(avatarsPath); if (attachment.isPointer()) { SignalServiceAttachmentPointer pointer = attachment.asPointer(); return retrieveAttachment(pointer, getGroupAvatarFile(groupId), false); @@ -938,16 +1477,14 @@ class Manager implements Signal { } private File retrieveAttachment(SignalServiceAttachmentPointer pointer) throws IOException, InvalidMessageException { - new File(attachmentsPath).mkdirs(); + IOUtils.createPrivateDirectories(attachmentsPath); return retrieveAttachment(pointer, getAttachmentFile(pointer.getId()), true); } private File retrieveAttachment(SignalServiceAttachmentStream stream, File outputFile) throws IOException, InvalidMessageException { InputStream input = stream.getInputStream(); - OutputStream output = null; - try { - output = new FileOutputStream(outputFile); + try (OutputStream output = new FileOutputStream(outputFile)) { byte[] buffer = new byte[4096]; int read; @@ -957,10 +1494,6 @@ class Manager implements Signal { } catch (FileNotFoundException e) { e.printStackTrace(); return null; - } finally { - if (output != null) { - output.close(); - } } return outputFile; } @@ -968,55 +1501,43 @@ class Manager implements Signal { private File retrieveAttachment(SignalServiceAttachmentPointer pointer, File outputFile, boolean storePreview) throws IOException, InvalidMessageException { if (storePreview && pointer.getPreview().isPresent()) { File previewFile = new File(outputFile + ".preview"); - OutputStream output = null; - try { - output = new FileOutputStream(previewFile); + try (OutputStream output = new FileOutputStream(previewFile)) { byte[] preview = pointer.getPreview().get(); output.write(preview, 0, preview.length); } catch (FileNotFoundException e) { e.printStackTrace(); return null; - } finally { - if (output != null) { - output.close(); - } } } - final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(URL, TRUST_STORE, username, password, deviceId, signalingKey, USER_AGENT); + final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceConfiguration, username, password, deviceId, signalingKey, USER_AGENT, null, timer); - File tmpFile = File.createTempFile("ts_attach_" + pointer.getId(), ".tmp"); - InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile); + File tmpFile = IOUtils.createTempFile(); + try (InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile, MAX_ATTACHMENT_SIZE)) { + try (OutputStream output = new FileOutputStream(outputFile)) { + byte[] buffer = new byte[4096]; + int read; - OutputStream output = null; - try { - output = new FileOutputStream(outputFile); - byte[] buffer = new byte[4096]; - int read; - - while ((read = input.read(buffer)) != -1) { - output.write(buffer, 0, read); + while ((read = input.read(buffer)) != -1) { + output.write(buffer, 0, read); + } + } catch (FileNotFoundException e) { + e.printStackTrace(); + return null; } - } catch (FileNotFoundException e) { - e.printStackTrace(); - return null; } finally { - if (output != null) { - output.close(); - } - if (!tmpFile.delete()) { - System.err.println("Failed to delete temp file: " + tmpFile); + 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) throws IOException, InvalidMessageException { - final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(URL, TRUST_STORE, username, password, deviceId, signalingKey, USER_AGENT); - File file = File.createTempFile("ts_tmp", "tmp"); - file.deleteOnExit(); - - return messageReceiver.retrieveAttachment(pointer, file); + private InputStream retrieveAttachmentAsStream(SignalServiceAttachmentPointer pointer, File tmpFile) throws IOException, InvalidMessageException { + final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceConfiguration, username, password, deviceId, signalingKey, USER_AGENT, null, timer); + return messageReceiver.retrieveAttachment(pointer, tmpFile, MAX_ATTACHMENT_SIZE); } private String canonicalizeNumber(String number) throws InvalidNumberException { @@ -1035,64 +1556,95 @@ class Manager implements Signal { } private void sendGroups() throws IOException, UntrustedIdentityException { - File groupsFile = File.createTempFile("multidevice-group-update", ".tmp"); + File groupsFile = IOUtils.createTempFile(); try { - DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(new FileOutputStream(groupsFile)); - try { + try (OutputStream fos = new FileOutputStream(groupsFile)) { + DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(fos); for (GroupInfo record : groupStore.getGroups()) { + ThreadInfo info = threadStore.getThread(Base64.encodeBytes(record.groupId)); out.write(new DeviceGroup(record.groupId, Optional.fromNullable(record.name), new ArrayList<>(record.members), createGroupAvatarAttachment(record.groupId), - record.active)); + record.active, Optional.fromNullable(info != null ? info.messageExpirationTime : null), + Optional.fromNullable(record.color), false)); } - } finally { - out.close(); } if (groupsFile.exists() && groupsFile.length() > 0) { - FileInputStream contactsFileStream = new FileInputStream(groupsFile); - SignalServiceAttachmentStream attachmentStream = SignalServiceAttachment.newStreamBuilder() - .withStream(contactsFileStream) - .withContentType("application/octet-stream") - .withLength(groupsFile.length()) - .build(); - - sendMessage(SignalServiceSyncMessage.forGroups(attachmentStream)); + 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 { - groupsFile.delete(); + try { + Files.delete(groupsFile.toPath()); + } catch (IOException e) { + System.err.println("Failed to delete groups temp file “" + groupsFile + "”: " + e.getMessage()); + } } } private void sendContacts() throws IOException, UntrustedIdentityException { - File contactsFile = File.createTempFile("multidevice-contact-update", ".tmp"); + File contactsFile = IOUtils.createTempFile(); try { - DeviceContactsOutputStream out = new DeviceContactsOutputStream(new FileOutputStream(contactsFile)); - try { + try (OutputStream fos = new FileOutputStream(contactsFile)) { + DeviceContactsOutputStream out = new DeviceContactsOutputStream(fos); for (ContactInfo record : contactStore.getContacts()) { + VerifiedMessage verifiedMessage = null; + ThreadInfo info = threadStore.getThread(record.number); + if (getIdentities().containsKey(record.number)) { + JsonIdentityKeyStore.Identity currentIdentity = null; + for (JsonIdentityKeyStore.Identity id : getIdentities().get(record.number)) { + if (currentIdentity == null || id.getDateAdded().after(currentIdentity.getDateAdded())) { + currentIdentity = id; + } + } + if (currentIdentity != null) { + verifiedMessage = new VerifiedMessage(record.number, currentIdentity.getIdentityKey(), currentIdentity.getTrustLevel().toVerifiedState(), currentIdentity.getDateAdded().getTime()); + } + } + + byte[] profileKey = record.profileKey == null ? null : Base64.decode(record.profileKey); + // TODO store list of blocked numbers + boolean blocked = false; out.write(new DeviceContact(record.number, Optional.fromNullable(record.name), - createContactAvatarAttachment(record.number))); + createContactAvatarAttachment(record.number), Optional.fromNullable(record.color), + Optional.fromNullable(verifiedMessage), Optional.fromNullable(profileKey), blocked, Optional.fromNullable(info != null ? info.messageExpirationTime : null))); } - } finally { - out.close(); } if (contactsFile.exists() && contactsFile.length() > 0) { - FileInputStream contactsFileStream = new FileInputStream(contactsFile); - SignalServiceAttachmentStream attachmentStream = SignalServiceAttachment.newStreamBuilder() - .withStream(contactsFileStream) - .withContentType("application/octet-stream") - .withLength(contactsFile.length()) - .build(); - - sendMessage(SignalServiceSyncMessage.forContacts(attachmentStream)); + 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 { - contactsFile.delete(); + try { + Files.delete(contactsFile.toPath()); + } catch (IOException e) { + System.err.println("Failed to delete contacts temp file “" + contactsFile + "”: " + e.getMessage()); + } } } + private void sendVerifiedMessage(String destination, IdentityKey identityKey, TrustLevel trustLevel) throws IOException, UntrustedIdentityException { + VerifiedMessage verifiedMessage = new VerifiedMessage(destination, identityKey, trustLevel.toVerifiedState(), System.currentTimeMillis()); + sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage)); + } + public ContactInfo getContact(String number) { return contactStore.getContact(number); } @@ -1100,4 +1652,97 @@ class Manager implements Signal { public GroupInfo getGroup(byte[] groupId) { return groupStore.getGroup(groupId); } + + public Map> getIdentities() { + return signalProtocolStore.getIdentities(); + } + + public List getIdentities(String number) { + return signalProtocolStore.getIdentities(number); + } + + /** + * Trust this the identity with this fingerprint + * + * @param name username of the identity + * @param fingerprint Fingerprint + */ + public boolean trustIdentityVerified(String name, byte[] fingerprint) { + List ids = signalProtocolStore.getIdentities(name); + if (ids == null) { + return false; + } + for (JsonIdentityKeyStore.Identity id : ids) { + if (!Arrays.equals(id.getIdentityKey().serialize(), fingerprint)) { + continue; + } + + signalProtocolStore.saveIdentity(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED); + try { + sendVerifiedMessage(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED); + } catch (IOException | UntrustedIdentityException e) { + e.printStackTrace(); + } + save(); + return true; + } + 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) { + List ids = signalProtocolStore.getIdentities(name); + if (ids == null) { + return false; + } + for (JsonIdentityKeyStore.Identity id : ids) { + if (!safetyNumber.equals(computeSafetyNumber(name, id.getIdentityKey()))) { + continue; + } + + signalProtocolStore.saveIdentity(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED); + try { + sendVerifiedMessage(name, id.getIdentityKey(), TrustLevel.TRUSTED_VERIFIED); + } catch (IOException | UntrustedIdentityException e) { + e.printStackTrace(); + } + save(); + return true; + } + return false; + } + + /** + * Trust all keys of this identity without verification + * + * @param name username of the identity + */ + public boolean trustIdentityAllKeys(String name) { + List ids = signalProtocolStore.getIdentities(name); + if (ids == null) { + return false; + } + for (JsonIdentityKeyStore.Identity id : ids) { + if (id.getTrustLevel() == TrustLevel.UNTRUSTED) { + signalProtocolStore.saveIdentity(name, id.getIdentityKey(), TrustLevel.TRUSTED_UNVERIFIED); + try { + sendVerifiedMessage(name, id.getIdentityKey(), TrustLevel.TRUSTED_UNVERIFIED); + } catch (IOException | UntrustedIdentityException e) { + e.printStackTrace(); + } + } + } + save(); + return true; + } + + public String computeSafetyNumber(String theirUsername, IdentityKey theirIdentityKey) { + Fingerprint fingerprint = new NumericFingerprintGenerator(5200).createFor(username, getIdentity(), theirUsername, theirIdentityKey); + return fingerprint.getDisplayableFingerprint().getDisplayText(); + } }