X-Git-Url: https://git.nmode.ca/signal-cli/blobdiff_plain/f479cffc9f1619f7bab11dbbac4dec5ec3f9d238..e36a2f862c996825944927c6e24bf8521edd6edb:/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 113fb0cc..adc31f70 100644 --- a/src/main/java/org/asamk/signal/Manager.java +++ b/src/main/java/org/asamk/signal/Manager.java @@ -18,17 +18,31 @@ package org.asamk.signal; import com.fasterxml.jackson.annotation.JsonAutoDetect; import com.fasterxml.jackson.annotation.PropertyAccessor; +import com.fasterxml.jackson.core.JsonGenerator; +import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.databind.DeserializationFeature; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; 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.Util; 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.SignalProtocolStore; import org.whispersystems.libsignal.state.SignedPreKeyRecord; import org.whispersystems.libsignal.util.KeyHelper; import org.whispersystems.libsignal.util.Medium; @@ -38,23 +52,49 @@ 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.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.EncapsulatedExceptions; +import org.whispersystems.signalservice.api.push.exceptions.*; import org.whispersystems.signalservice.api.util.InvalidNumberException; import org.whispersystems.signalservice.api.util.PhoneNumberFormatter; +import org.whispersystems.signalservice.internal.configuration.SignalCdnUrl; +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; +import java.nio.channels.FileLock; import java.nio.file.Files; +import java.nio.file.Path; import java.nio.file.Paths; +import java.nio.file.StandardCopyOption; +import java.nio.file.attribute.PosixFilePermission; +import java.nio.file.attribute.PosixFilePermissions; import java.util.*; import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeoutException; +import static java.nio.file.attribute.PosixFilePermission.*; + class Manager implements Signal { private final static String URL = "https://textsecure-service.whispersystems.org"; + private final static String CDN_URL = "https://cdn.signal.org"; private final static TrustStore TRUST_STORE = new WhisperTrustStore(); + private final static SignalServiceConfiguration serviceConfiguration = new SignalServiceConfiguration( + new SignalServiceUrl[]{new SignalServiceUrl(URL, TRUST_STORE)}, + new SignalCdnUrl[]{new SignalCdnUrl(CDN_URL, TRUST_STORE)} + ); public final static String PROJECT_NAME = Manager.class.getPackage().getImplementationTitle(); public final static String PROJECT_VERSION = Manager.class.getPackage().getImplementationVersion(); @@ -62,13 +102,19 @@ 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; private final String attachmentsPath; + private final String avatarsPath; + + 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 String password; private String signalingKey; private int preKeyIdOffset; @@ -76,28 +122,82 @@ class Manager implements Signal { private boolean registered = false; - private SignalProtocolStore signalProtocolStore; + private JsonSignalProtocolStore signalProtocolStore; private SignalServiceAccountManager accountManager; private JsonGroupStore groupStore; + private JsonContactsStore contactStore; + private JsonThreadStore threadStore; + private SignalServiceMessagePipe messagePipe = null; public Manager(String username, String settingsPath) { this.username = username; this.settingsPath = settingsPath; this.dataPath = this.settingsPath + "/data"; this.attachmentsPath = this.settingsPath + "/attachments"; + this.avatarsPath = this.settingsPath + "/avatars"; + + 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(); + } - 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); + 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); + createPrivateDirectories(cachePath); + return new File(cachePath + "/" + now + "_" + timestamp); + } + + private static void createPrivateDirectories(String path) throws IOException { + final Path file = new File(path).toPath(); + try { + Set perms = EnumSet.of(OWNER_READ, OWNER_WRITE, OWNER_EXECUTE); + Files.createDirectories(file, PosixFilePermissions.asFileAttribute(perms)); + } catch (UnsupportedOperationException e) { + Files.createDirectories(file); + } + } + + private static void createPrivateFile(String path) throws IOException { + final Path file = new File(path).toPath(); + try { + Set perms = EnumSet.of(OWNER_READ, OWNER_WRITE); + Files.createFile(file, PosixFilePermissions.asFileAttribute(perms)); + } catch (UnsupportedOperationException e) { + Files.createFile(file); + } + } + public boolean userExists() { + if (username == null) { + return false; + } File f = new File(getFileName()); return !(!f.exists() || f.isDirectory()); } @@ -115,9 +215,47 @@ class Manager implements Signal { return node; } - public void load() throws IOException, InvalidKeyException { - JsonNode rootNode = jsonProcessot.readTree(new File(getFileName())); + private void openFileChannel() throws IOException { + if (fileChannel != null) + return; + createPrivateDirectories(dataPath); + if (!new File(getFileName()).exists()) { + createPrivateFile(getFileName()); + } + fileChannel = new RandomAccessFile(new File(getFileName()), "rw").getChannel(); + lock = fileChannel.tryLock(); + if (lock == null) { + System.err.println("Config file is in use by another instance, waiting…"); + lock = fileChannel.lock(); + System.err.println("Config file lock acquired."); + } + } + + public void init() throws IOException { + load(); + + migrateLegacyConfigs(); + + accountManager = new SignalServiceAccountManager(serviceConfiguration, 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 load() throws IOException { + openFileChannel(); + JsonNode rootNode = jsonProcessor.readTree(Channels.newInputStream(fileChannel)); + + JsonNode node = rootNode.get("deviceId"); + if (node != null) { + deviceId = node.asInt(); + } username = getNotNullNode(rootNode, "username").asText(); password = getNotNullNode(rootNode, "password").asText(); if (rootNode.has("signalingKey")) { @@ -133,25 +271,60 @@ class Manager implements Signal { } else { nextSignedPreKeyId = 0; } - signalProtocolStore = jsonProcessot.convertValue(getNotNullNode(rootNode, "axolotlStore"), JsonSignalProtocolStore.class); + 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(); } - accountManager = new SignalServiceAccountManager(URL, TRUST_STORE, username, password, USER_AGENT); - if (accountManager.getPreKeysCount() < PREKEY_MINIMUM_COUNT) { - refreshPreKeys(); + + 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 (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 { + createPrivateDirectories(avatarsPath); + Files.copy(attachmentFile.toPath(), avatarFile.toPath(), StandardCopyOption.REPLACE_EXISTING); + } catch (Exception e) { + // Ignore + } + } + } + JsonGroupStore.groupsWithLegacyAvatarId.clear(); save(); } } private void save() { - ObjectNode rootNode = jsonProcessot.createObjectNode(); + if (username == null) { + return; + } + ObjectNode rootNode = jsonProcessor.createObjectNode(); rootNode.put("username", username) + .put("deviceId", deviceId) .put("password", password) .put("signalingKey", signalingKey) .put("preKeyIdOffset", preKeyIdOffset) @@ -159,9 +332,15 @@ class Manager implements Signal { .put("registered", registered) .putPOJO("axolotlStore", signalProtocolStore) .putPOJO("groupStore", groupStore) + .putPOJO("contactStore", contactStore) + .putPOJO("threadStore", threadStore) ; try { - jsonProcessot.writeValue(new File(getFileName()), rootNode); + openFileChannel(); + fileChannel.position(0); + jsonProcessor.writeValue(Channels.newOutputStream(fileChannel), rootNode); + fileChannel.truncate(fileChannel.position()); + fileChannel.force(false); } catch (Exception e) { System.err.println(String.format("Error saving file: %s", e.getMessage())); } @@ -180,12 +359,12 @@ class Manager implements Signal { return registered; } - public void register(boolean voiceVerication) throws IOException { + public void register(boolean voiceVerification) throws IOException { password = Util.getSecret(18); - accountManager = new SignalServiceAccountManager(URL, TRUST_STORE, username, password, USER_AGENT); + accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, USER_AGENT); - if (voiceVerication) + if (voiceVerification) accountManager.requestVoiceVerificationCode(); else accountManager.requestSmsVerificationCode(); @@ -194,6 +373,103 @@ class Manager implements Signal { save(); } + public void updateAccountAttributes() throws IOException { + accountManager.setAccountAttributes(signalingKey, signalProtocolStore.getLocalRegistrationId(), true); + } + + 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); + + accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, USER_AGENT); + String uuid = accountManager.getNewDeviceUuid(); + + registered = false; + try { + return new URI("tsdevice:/?uuid=" + URLEncoder.encode(uuid, "utf-8") + "&pub_key=" + URLEncoder.encode(Base64.encodeBytesWithoutPadding(signalProtocolStore.getIdentityKeyPair().getPublicKey().serialize()), "utf-8")); + } catch (URISyntaxException e) { + // Shouldn't happen + return null; + } + } + + public void finishDeviceLink(String deviceName) throws IOException, InvalidKeyException, TimeoutException, UserAlreadyExists { + signalingKey = Util.getSecret(52); + SignalServiceAccountManager.NewDeviceRegistrationReturn ret = accountManager.finishNewDeviceRegistration(signalProtocolStore.getIdentityKeyPair(), signalingKey, false, true, signalProtocolStore.getLocalRegistrationId(), deviceName); + deviceId = ret.getDeviceId(); + username = ret.getNumber(); + // TODO do this check before actually registering + if (userExists()) { + throw new UserAlreadyExists(username, getFileName()); + } + signalProtocolStore = new JsonSignalProtocolStore(ret.getIdentity(), signalProtocolStore.getLocalRegistrationId()); + + registered = true; + refreshPreKeys(); + + requestSyncGroups(); + requestSyncContacts(); + + save(); + } + + public List getLinkedDevices() throws IOException { + return accountManager.getDevices(); + } + + 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()); + String deviceIdentifier = query.get("uuid"); + String publicKeyEncoded = query.get("pub_key"); + + if (TextUtils.isEmpty(deviceIdentifier) || TextUtils.isEmpty(publicKeyEncoded)) { + throw new RuntimeException("Invalid device link uri"); + } + + ECPublicKey deviceKey = Curve.decodePoint(Base64.decode(publicKeyEncoded), 0); + + addDevice(deviceIdentifier, deviceKey); + } + + private void addDevice(String deviceIdentifier, ECPublicKey deviceKey) throws IOException, InvalidKeyException { + IdentityKeyPair identityKeyPair = signalProtocolStore.getIdentityKeyPair(); + String verificationCode = accountManager.getNewDeviceVerificationCode(); + + // TODO send profile key + accountManager.addDevice(deviceIdentifier, deviceKey, identityKeyPair, Optional.absent(), verificationCode); + } + private List generatePreKeys() { List records = new LinkedList<>(); @@ -212,24 +488,6 @@ 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(); @@ -249,7 +507,7 @@ class Manager implements Signal { public void verifyAccount(String verificationCode) throws IOException { verificationCode = verificationCode.replace("-", ""); signalingKey = Util.getSecret(52); - accountManager.verifyAccountWithCode(verificationCode, signalingKey, signalProtocolStore.getLocalRegistrationId(), false, true); + accountManager.verifyAccountWithCode(verificationCode, signalingKey, signalProtocolStore.getLocalRegistrationId(), true); //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID))); registered = true; @@ -260,10 +518,9 @@ class Manager implements Signal { 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); } @@ -273,7 +530,7 @@ class Manager implements Signal { SignalServiceAttachments = new ArrayList<>(attachments.size()); for (String attachment : attachments) { try { - SignalServiceAttachments.add(createAttachment(attachment)); + SignalServiceAttachments.add(createAttachment(new File(attachment))); } catch (IOException e) { throw new AttachmentInvalidException(attachment, e); } @@ -282,12 +539,50 @@ class Manager implements Signal { return SignalServiceAttachments; } - private static SignalServiceAttachmentStream createAttachment(String attachment) throws IOException { - File attachmentFile = new File(attachment); + private static SignalServiceAttachmentStream createAttachment(File attachmentFile) throws IOException { InputStream attachmentStream = new FileInputStream(attachmentFile); final long attachmentSize = attachmentFile.length(); - String mime = Files.probeContentType(Paths.get(attachment)); - return new SignalServiceAttachmentStream(attachmentStream, mime, attachmentSize, null); + String mime = Files.probeContentType(attachmentFile.toPath()); + if (mime == null) { + mime = "application/octet-stream"; + } + // TODO mabybe add a parameter to set the voiceNote and preview option + return new SignalServiceAttachmentStream(attachmentStream, mime, attachmentSize, Optional.of(attachmentFile.getName()), false, Optional.absent(), null); + } + + private Optional createGroupAvatarAttachment(byte[] groupId) throws IOException { + File file = getGroupAvatarFile(groupId); + if (!file.exists()) { + return Optional.absent(); + } + + return Optional.of(createAttachment(file)); + } + + private Optional createContactAvatarAttachment(String number) throws IOException { + File file = getContactAvatarFile(number); + if (!file.exists()) { + return Optional.absent(); + } + + 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 @@ -304,9 +599,17 @@ class Manager implements Signal { .build(); messageBuilder.asGroupMessage(group); } - SignalServiceDataMessage message = messageBuilder.build(); + ThreadInfo thread = threadStore.getThread(Base64.encodeBytes(groupId)); + if (thread != null) { + messageBuilder.withExpiration(thread.messageExpirationTime); + } + + final GroupInfo g = getGroupForSending(groupId); - sendMessage(message, groupStore.getGroup(groupId).members); + // Don't send group message to ourself + final List membersSend = new ArrayList<>(g.members); + membersSend.remove(this.username); + sendMessage(messageBuilder, membersSend); } public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions { @@ -314,11 +617,26 @@ class Manager implements Signal { .withId(groupId) .build(); - SignalServiceDataMessage message = SignalServiceDataMessage.newBuilder() - .asGroupMessage(group) - .build(); + SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder() + .asGroupMessage(group); + + final GroupInfo g = getGroupForSending(groupId); + g.members.remove(this.username); + groupStore.updateGroup(g); - sendMessage(message, groupStore.getGroup(groupId).members); + sendMessage(messageBuilder, g.members); + } + + private static String join(CharSequence separator, Iterable list) { + StringBuilder buf = new StringBuilder(); + for (CharSequence str : list) { + if (buf.length() > 0) { + buf.append(separator); + } + buf.append(str); + } + + return buf.toString(); } public byte[] sendUpdateGroupMessage(byte[] groupId, String name, Collection members, String avatarFile) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException { @@ -328,7 +646,7 @@ class Manager implements Signal { g = new GroupInfo(Util.getSecretBytes(16)); g.members.add(username); } else { - g = groupStore.getGroup(groupId); + g = getGroupForSending(groupId); } if (name != null) { @@ -336,40 +654,102 @@ 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 " + join(", ", newMembers) + " to group: Not registered on Signal"); + System.err.println("Aborting…"); + System.exit(1); } } + if (avatarFile != null) { + 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); + sendMessage(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); + sendMessage(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)); - if (avatarFile != null) { + File aFile = getGroupAvatarFile(g.groupId); + if (aFile.exists()) { try { - group.withAvatar(createAttachment(avatarFile)); - // TODO - g.avatarId = 0; + 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; + } - sendMessage(message, g.members); - 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); + sendMessage(messageBuilder, membersSend); } @Override @@ -388,25 +768,169 @@ class Manager implements Signal { if (attachments != null) { messageBuilder.withAttachments(getSignalServiceAttachments(attachments)); } - SignalServiceDataMessage message = messageBuilder.build(); - - sendMessage(message, recipients); + sendMessage(messageBuilder, recipients); } @Override public void sendEndSessionMessage(List recipients) throws IOException, EncapsulatedExceptions { - SignalServiceDataMessage message = SignalServiceDataMessage.newBuilder() - .asEndSessionMessage() - .build(); + SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder() + .asEndSessionMessage(); + + sendMessage(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(); + } - sendMessage(message, recipients); + @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); + } + } + + @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 { + sendSyncMessage(message); + } catch (UntrustedIdentityException e) { + e.printStackTrace(); + } + } + + private 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(); + } + } + + private void sendSyncMessage(SignalServiceSyncMessage message) + throws IOException, UntrustedIdentityException { + SignalServiceMessageSender messageSender = new SignalServiceMessageSender(serviceConfiguration, username, password, + deviceId, signalProtocolStore, USER_AGENT, Optional.fromNullable(messagePipe), Optional.absent()); + try { + messageSender.sendMessage(message); + } catch (UntrustedIdentityException e) { + signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED); + throw e; + } } - private void sendMessage(SignalServiceDataMessage message, Collection recipients) - throws IOException, EncapsulatedExceptions { - SignalServiceMessageSender messageSender = new SignalServiceMessageSender(URL, TRUST_STORE, username, password, - signalProtocolStore, USER_AGENT, Optional.absent()); + private void sendMessage(SignalServiceDataMessage.Builder messageBuilder, Collection recipients) + throws EncapsulatedExceptions, IOException { + Set recipientsTS = getSignalServiceAddresses(recipients); + if (recipientsTS == null) return; + + SignalServiceDataMessage message = null; + try { + SignalServiceMessageSender messageSender = new SignalServiceMessageSender(serviceConfiguration, username, password, + deviceId, signalProtocolStore, USER_AGENT, Optional.fromNullable(messagePipe), 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); + } + } + } else { + // Send to all individually, so sync messages are sent correctly + List untrustedIdentities = new LinkedList<>(); + List unregisteredUsers = new LinkedList<>(); + List networkExceptions = new LinkedList<>(); + 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); + } 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)); + } + } + if (!untrustedIdentities.isEmpty() || !unregisteredUsers.isEmpty() || !networkExceptions.isEmpty()) { + throw new EncapsulatedExceptions(untrustedIdentities, unregisteredUsers, networkExceptions); + } + } + } finally { + if (message != null && message.isEndSession()) { + for (SignalServiceAddress recipient : recipientsTS) { + handleEndSession(recipient.getNumber()); + } + } + save(); + } + } + private Set getSignalServiceAddresses(Collection recipients) { Set recipientsTS = new HashSet<>(recipients.size()); for (String recipient : recipients) { try { @@ -415,28 +939,19 @@ class Manager implements Signal { System.err.println("Failed to add recipient \"" + recipient + "\": " + e.getMessage()); System.err.println("Aborting sending."); save(); - return; - } - } - - messageSender.sendMessage(new ArrayList<>(recipientsTS), message); - - if (message.isEndSession()) { - for (SignalServiceAddress recipient : recipientsTS) { - handleEndSession(recipient.getNumber()); + return null; } } - save(); + return recipientsTS; } - private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) { + 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); try { return cipher.decrypt(envelope); - } catch (Exception e) { - // TODO handle all exceptions - e.printStackTrace(); - return null; + } catch (org.whispersystems.libsignal.UntrustedIdentityException e) { + signalProtocolStore.saveIdentity(e.getName(), e.getUntrustedIdentity(), TrustLevel.UNTRUSTED); + throw e; } } @@ -445,104 +960,418 @@ class Manager implements Signal { } public interface ReceiveMessageHandler { - void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, GroupInfo group); + void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, Throwable e); } - public void receiveMessages(int timeoutSeconds, boolean returnOnTimeout, ReceiveMessageHandler handler) throws IOException { - final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(URL, TRUST_STORE, username, password, signalingKey, USER_AGENT); - SignalServiceMessagePipe messagePipe = null; + 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: + 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 e) { + System.err.println("Failed to retrieve group avatar (" + avatar.asPointer().getId() + "): " + e.getMessage()); + } + } + } + + if (groupInfo.getName().isPresent()) { + group.name = groupInfo.getName().get(); + } + + if (groupInfo.getMembers().isPresent()) { + group.members.addAll(groupInfo.getMembers().get()); + } + + groupStore.updateGroup(group); + break; + case DELIVER: + if (group == null) { + try { + sendGroupInfoRequest(groupInfo.getGroupId(), source); + } catch (IOException | EncapsulatedExceptions e) { + e.printStackTrace(); + } + } + break; + case QUIT: + 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.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 { + retrieveAttachment(attachment.asPointer()); + } catch (IOException | InvalidMessageException e) { + System.err.println("Failed to retrieve attachment (" + attachment.asPointer().getId() + "): " + e.getMessage()); + } + } + } + } + } + + 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(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); try { - messagePipe = messageReceiver.createMessagePipe(); + if (messagePipe == null) { + messagePipe = messageReceiver.createMessagePipe(); + } while (true) { SignalServiceEnvelope envelope; SignalServiceContent content = null; - GroupInfo group = null; + Exception exception = null; + final long now = new Date().getTime(); try { - envelope = messagePipe.read(timeoutSeconds, TimeUnit.SECONDS); - if (!envelope.isReceipt()) { - content = decryptMessage(envelope); - if (content != null) { - if (content.getDataMessage().isPresent()) { - SignalServiceDataMessage message = content.getDataMessage().get(); - if (message.getGroupInfo().isPresent()) { - SignalServiceGroup groupInfo = message.getGroupInfo().get(); - switch (groupInfo.getType()) { - case UPDATE: - try { - group = groupStore.getGroup(groupInfo.getGroupId()); - } catch (GroupNotFoundException e) { - group = new GroupInfo(groupInfo.getGroupId()); - } - - if (groupInfo.getAvatar().isPresent()) { - SignalServiceAttachment avatar = groupInfo.getAvatar().get(); - if (avatar.isPointer()) { - long avatarId = avatar.asPointer().getId(); - try { - retrieveAttachment(avatar.asPointer()); - group.avatarId = avatarId; - } catch (IOException | InvalidMessageException e) { - System.err.println("Failed to retrieve group avatar (" + avatarId + "): " + e.getMessage()); - } - } - } - - if (groupInfo.getName().isPresent()) { - group.name = groupInfo.getName().get(); - } - - if (groupInfo.getMembers().isPresent()) { - group.members.addAll(groupInfo.getMembers().get()); - } - - groupStore.updateGroup(group); - break; - case DELIVER: - try { - group = groupStore.getGroup(groupInfo.getGroupId()); - } catch (GroupNotFoundException e) { - } - break; - case QUIT: - try { - group = groupStore.getGroup(groupInfo.getGroupId()); - group.members.remove(envelope.getSource()); - } catch (GroupNotFoundException e) { - } - break; - } - } - if (message.isEndSession()) { - handleEndSession(envelope.getSource()); - } - if (message.getAttachments().isPresent()) { - for (SignalServiceAttachment attachment : message.getAttachments().get()) { - if (attachment.isPointer()) { - try { - retrieveAttachment(attachment.asPointer()); - } catch (IOException | InvalidMessageException e) { - System.err.println("Failed to retrieve attachment (" + attachment.asPointer().getId() + "): " + e.getMessage()); - } - } - } - } + 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()); } } - } - save(); - handler.handleMessage(envelope, content, group); + }); } 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) + 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()) { + 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 { + sendContacts(); + } catch (UntrustedIdentityException | IOException e) { + e.printStackTrace(); + } + } + if (rm.isGroupsRequest()) { + try { + sendGroups(); + } catch (UntrustedIdentityException | IOException e) { + e.printStackTrace(); + } + } + } + if (syncMessage.getGroups().isPresent()) { + File tmpFile = null; + try { + tmpFile = Util.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.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 (syncMessage.getBlockedList().isPresent()) { + // TODO store list of blocked numbers + } + } + if (syncMessage.getContacts().isPresent()) { + File tmpFile = null; + try { + tmpFile = Util.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(); + } + 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()); + } + } + } + } + if (syncMessage.getVerified().isPresent()) { + final VerifiedMessage verifiedMessage = syncMessage.getVerified().get(); + signalProtocolStore.saveIdentity(verifiedMessage.getDestination(), verifiedMessage.getIdentityKey(), TrustLevel.fromVerifiedState(verifiedMessage.getVerified())); + } + } + } + } + + private SignalServiceEnvelope loadEnvelope(File file) throws IOException { + try (FileInputStream f = new FileInputStream(file)) { + DataInputStream in = new DataInputStream(f); + int version = in.readInt(); + if (version != 1) { + return null; + } + int type = in.readInt(); + String source = in.readUTF(); + int sourceDevice = in.readInt(); + String relay = 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); + } + return new SignalServiceEnvelope(type, source, sourceDevice, relay, timestamp, legacyMessage, content); + } + } + + private void storeEnvelope(SignalServiceEnvelope envelope, File file) throws IOException { + try (FileOutputStream f = new FileOutputStream(file)) { + try (DataOutputStream out = new DataOutputStream(f)) { + out.writeInt(1); // version + out.writeInt(envelope.getType()); + out.writeUTF(envelope.getSource()); + out.writeInt(envelope.getSourceDevice()); + out.writeUTF(envelope.getRelay()); + out.writeLong(envelope.getTimestamp()); + if (envelope.hasContent()) { + out.writeInt(envelope.getContent().length); + out.write(envelope.getContent()); + } else { + out.writeInt(0); + } + if (envelope.hasLegacyMessage()) { + out.writeInt(envelope.getLegacyMessage().length); + out.write(envelope.getLegacyMessage()); + } else { + out.writeInt(0); + } + } + } + } + + public File getContactAvatarFile(String number) { + return new File(avatarsPath, "contact-" + number); + } + + private File retrieveContactAvatarAttachment(SignalServiceAttachment attachment, String number) throws IOException, InvalidMessageException { + createPrivateDirectories(avatarsPath); + if (attachment.isPointer()) { + SignalServiceAttachmentPointer pointer = attachment.asPointer(); + return retrieveAttachment(pointer, getContactAvatarFile(number), false); + } else { + SignalServiceAttachmentStream stream = attachment.asStream(); + return retrieveAttachment(stream, getContactAvatarFile(number)); + } + } + + public File getGroupAvatarFile(byte[] groupId) { + return new File(avatarsPath, "group-" + Base64.encodeBytes(groupId).replace("/", "_")); + } + + private File retrieveGroupAvatarAttachment(SignalServiceAttachment attachment, byte[] groupId) throws IOException, InvalidMessageException { + createPrivateDirectories(avatarsPath); + if (attachment.isPointer()) { + SignalServiceAttachmentPointer pointer = attachment.asPointer(); + return retrieveAttachment(pointer, getGroupAvatarFile(groupId), false); + } else { + SignalServiceAttachmentStream stream = attachment.asStream(); + return retrieveAttachment(stream, getGroupAvatarFile(groupId)); } } @@ -551,16 +1380,14 @@ class Manager implements Signal { } private File retrieveAttachment(SignalServiceAttachmentPointer pointer) throws IOException, InvalidMessageException { - final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(URL, TRUST_STORE, username, password, signalingKey, USER_AGENT); + createPrivateDirectories(attachmentsPath); + return retrieveAttachment(pointer, getAttachmentFile(pointer.getId()), true); + } - File tmpFile = File.createTempFile("ts_attach_" + pointer.getId(), ".tmp"); - InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile); + private File retrieveAttachment(SignalServiceAttachmentStream stream, File outputFile) throws IOException, InvalidMessageException { + InputStream input = stream.getInputStream(); - new File(attachmentsPath).mkdirs(); - File outputFile = getAttachmentFile(pointer.getId()); - OutputStream output = null; - try { - output = new FileOutputStream(outputFile); + try (OutputStream output = new FileOutputStream(outputFile)) { byte[] buffer = new byte[4096]; int read; @@ -570,33 +1397,52 @@ class Manager implements Signal { } catch (FileNotFoundException e) { e.printStackTrace(); return null; - } finally { - if (output != null) { - output.close(); - output = null; - } - if (!tmpFile.delete()) { - System.err.println("Failed to delete temp file: " + tmpFile); - } } - if (pointer.getPreview().isPresent()) { + return outputFile; + } + + private File retrieveAttachment(SignalServiceAttachmentPointer pointer, File outputFile, boolean storePreview) throws IOException, InvalidMessageException { + if (storePreview && pointer.getPreview().isPresent()) { File previewFile = new File(outputFile + ".preview"); - 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(serviceConfiguration, username, password, deviceId, signalingKey, USER_AGENT); + + File tmpFile = Util.createTempFile(); + try (InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile, 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 { + final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceConfiguration, username, password, deviceId, signalingKey, USER_AGENT); + return messageReceiver.retrieveAttachment(pointer, tmpFile, MAX_ATTACHMENT_SIZE); + } + private String canonicalizeNumber(String number) throws InvalidNumberException { String localNumber = username; return PhoneNumberFormatter.formatNumber(number, localNumber); @@ -611,4 +1457,190 @@ class Manager implements Signal { public boolean isRemote() { return false; } + + private void sendGroups() throws IOException, UntrustedIdentityException { + File groupsFile = Util.createTempFile(); + + try { + try (OutputStream fos = new FileOutputStream(groupsFile)) { + DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(fos); + for (GroupInfo record : groupStore.getGroups()) { + out.write(new DeviceGroup(record.groupId, Optional.fromNullable(record.name), + new ArrayList<>(record.members), createGroupAvatarAttachment(record.groupId), + record.active)); + } + } + + 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()); + } + } + } + + private void sendContacts() throws IOException, UntrustedIdentityException { + File contactsFile = Util.createTempFile(); + + try { + try (OutputStream fos = new FileOutputStream(contactsFile)) { + DeviceContactsOutputStream out = new DeviceContactsOutputStream(fos); + for (ContactInfo record : contactStore.getContacts()) { + VerifiedMessage verifiedMessage = null; + 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()); + } + } + + // TODO include profile key + out.write(new DeviceContact(record.number, Optional.fromNullable(record.name), + createContactAvatarAttachment(record.number), Optional.fromNullable(record.color), + Optional.fromNullable(verifiedMessage), Optional.absent())); + } + } + + 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()); + } + } + } + + private void sendVerifiedMessage(String destination, IdentityKey identityKey, TrustLevel trustLevel) throws IOException, UntrustedIdentityException { + VerifiedMessage verifiedMessage = new VerifiedMessage(destination, identityKey, trustLevel.toVerifiedState(), System.currentTimeMillis()); + sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage)); + } + + public ContactInfo getContact(String number) { + return contactStore.getContact(number); + } + + public 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(); + } }