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 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;
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.AuthorizationFailedException;
-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.push.SignalServiceProtos;
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 TrustStore TRUST_STORE = new WhisperTrustStore();
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 String username;
private boolean registered = false;
- private SignalProtocolStore signalProtocolStore;
+ private JsonSignalProtocolStore signalProtocolStore;
private SignalServiceAccountManager accountManager;
private JsonGroupStore groupStore;
+ private JsonContactsStore contactStore;
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";
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);
}
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);
+ 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<PosixFilePermission> 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<PosixFilePermission> 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;
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(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 load() throws IOException {
+ openFileChannel();
+ JsonNode rootNode = jsonProcessot.readTree(Channels.newInputStream(fileChannel));
JsonNode node = rootNode.get("deviceId");
if (node != null) {
if (groupStore == null) {
groupStore = new JsonGroupStore();
}
- accountManager = new SignalServiceAccountManager(URL, TRUST_STORE, username, password, deviceId, USER_AGENT);
- try {
- if (registered && accountManager.getPreKeysCount() < PREKEY_MINIMUM_COUNT) {
- refreshPreKeys();
- save();
+
+ JsonNode contactStoreNode = rootNode.get("contactStore");
+ if (contactStoreNode != null) {
+ contactStore = jsonProcessot.convertValue(contactStoreNode, JsonContactsStore.class);
+ }
+ if (contactStore == null) {
+ contactStore = new JsonContactsStore();
+ }
+ }
+
+ 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
+ }
+ }
}
- } catch (AuthorizationFailedException e) {
- System.err.println("Authorization failed, was the number registered elsewhere?");
+ JsonGroupStore.groupsWithLegacyAvatarId.clear();
+ save();
}
}
private void save() {
+ if (username == null) {
+ return;
+ }
ObjectNode rootNode = jsonProcessot.createObjectNode();
rootNode.put("username", username)
.put("deviceId", deviceId)
.put("registered", registered)
.putPOJO("axolotlStore", signalProtocolStore)
.putPOJO("groupStore", groupStore)
+ .putPOJO("contactStore", contactStore)
;
try {
- jsonProcessot.writeValue(new File(getFileName()), rootNode);
+ openFileChannel();
+ fileChannel.position(0);
+ jsonProcessot.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()));
}
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);
- if (voiceVerication)
+ if (voiceVerification)
accountManager.requestVoiceVerificationCode();
else
accountManager.requestSmsVerificationCode();
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);
}
return SignalServiceAttachments;
}
- private static SignalServiceAttachment 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));
+ String mime = Files.probeContentType(attachmentFile.toPath());
+ if (mime == null) {
+ mime = "application/octet-stream";
+ }
return new SignalServiceAttachmentStream(attachmentStream, mime, attachmentSize, null);
}
+ private Optional<SignalServiceAttachmentStream> createGroupAvatarAttachment(byte[] groupId) throws IOException {
+ File file = getGroupAvatarFile(groupId);
+ if (!file.exists()) {
+ return Optional.absent();
+ }
+
+ return Optional.of(createAttachment(file));
+ }
+
+ private Optional<SignalServiceAttachmentStream> 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);
+ }
+
@Override
public void sendGroupMessage(String messageText, List<String> attachments,
byte[] groupId)
- throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException, UntrustedIdentityException {
+ throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException {
final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
if (attachments != null) {
messageBuilder.withAttachments(getSignalServiceAttachments(attachments));
}
SignalServiceDataMessage message = messageBuilder.build();
- Set<String> members = groupStore.getGroup(groupId).members;
- members.remove(this.username);
- sendMessage(message, members);
+ final GroupInfo g = getGroupForSending(groupId);
+
+ // Don't send group message to ourself
+ final List<String> membersSend = new ArrayList<>(g.members);
+ membersSend.remove(this.username);
+ sendMessage(message, membersSend);
}
- public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions, UntrustedIdentityException {
+ public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions {
SignalServiceGroup group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT)
.withId(groupId)
.build();
.asGroupMessage(group)
.build();
- final GroupInfo g = groupStore.getGroup(groupId);
+ final GroupInfo g = getGroupForSending(groupId);
g.members.remove(this.username);
groupStore.updateGroup(g);
sendMessage(message, g.members);
}
- public byte[] sendUpdateGroupMessage(byte[] groupId, String name, Collection<String> members, String avatarFile) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException, UntrustedIdentityException {
+ private static String join(CharSequence separator, Iterable<? extends CharSequence> 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<String> members, String avatarFile) throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException {
GroupInfo g;
if (groupId == null) {
// Create new group
g = new GroupInfo(Util.getSecretBytes(16));
g.members.add(username);
} else {
- g = groupStore.getGroup(groupId);
+ g = getGroupForSending(groupId);
}
if (name != null) {
}
if (members != null) {
+ Set<String> 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<ContactTokenDetails> 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);
}
}
.withName(g.name)
.withMembers(new ArrayList<>(g.members));
+ File aFile = getGroupAvatarFile(g.groupId);
if (avatarFile != null) {
+ createPrivateDirectories(avatarsPath);
+ Files.copy(Paths.get(avatarFile), aFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
+ }
+ if (aFile.exists()) {
try {
- group.withAvatar(createAttachment(avatarFile));
- // TODO
- g.avatarId = 0;
+ group.withAvatar(createAttachment(aFile));
} catch (IOException e) {
throw new AttachmentInvalidException(avatarFile, e);
}
.asGroupMessage(group.build())
.build();
- final Set<String> membersSend = g.members;
+ // Don't send group message to ourself
+ final List<String> membersSend = new ArrayList<>(g.members);
membersSend.remove(this.username);
sendMessage(message, membersSend);
return g.groupId;
@Override
public void sendMessage(String message, List<String> attachments, String recipient)
- throws EncapsulatedExceptions, AttachmentInvalidException, IOException, UntrustedIdentityException {
+ throws EncapsulatedExceptions, AttachmentInvalidException, IOException {
List<String> recipients = new ArrayList<>(1);
recipients.add(recipient);
sendMessage(message, attachments, recipients);
@Override
public void sendMessage(String messageText, List<String> attachments,
List<String> recipients)
- throws IOException, EncapsulatedExceptions, AttachmentInvalidException, UntrustedIdentityException {
+ throws IOException, EncapsulatedExceptions, AttachmentInvalidException {
final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
if (attachments != null) {
messageBuilder.withAttachments(getSignalServiceAttachments(attachments));
}
@Override
- public void sendEndSessionMessage(List<String> recipients) throws IOException, EncapsulatedExceptions, UntrustedIdentityException {
+ public void sendEndSessionMessage(List<String> recipients) throws IOException, EncapsulatedExceptions {
SignalServiceDataMessage message = SignalServiceDataMessage.newBuilder()
.asEndSessionMessage()
.build();
SignalServiceSyncMessage message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
try {
sendMessage(message);
- } catch (EncapsulatedExceptions encapsulatedExceptions) {
- encapsulatedExceptions.printStackTrace();
} catch (UntrustedIdentityException e) {
e.printStackTrace();
}
SignalServiceSyncMessage message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
try {
sendMessage(message);
- } catch (EncapsulatedExceptions encapsulatedExceptions) {
- encapsulatedExceptions.printStackTrace();
} catch (UntrustedIdentityException e) {
e.printStackTrace();
}
}
private void sendMessage(SignalServiceSyncMessage message)
- throws IOException, EncapsulatedExceptions, UntrustedIdentityException {
+ throws IOException, UntrustedIdentityException {
SignalServiceMessageSender messageSender = new SignalServiceMessageSender(URL, TRUST_STORE, username, password,
deviceId, signalProtocolStore, USER_AGENT, Optional.<SignalServiceMessageSender.EventListener>absent());
- messageSender.sendMessage(message);
+ try {
+ messageSender.sendMessage(message);
+ } catch (UntrustedIdentityException e) {
+ signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED);
+ throw e;
+ }
}
private void sendMessage(SignalServiceDataMessage message, Collection<String> recipients)
- throws IOException, EncapsulatedExceptions, UntrustedIdentityException {
+ throws EncapsulatedExceptions, IOException {
+ Set<SignalServiceAddress> 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;
+ }
+ }
+
try {
SignalServiceMessageSender messageSender = new SignalServiceMessageSender(URL, TRUST_STORE, username, password,
deviceId, signalProtocolStore, USER_AGENT, Optional.<SignalServiceMessageSender.EventListener>absent());
- Set<SignalServiceAddress> recipientsTS = new HashSet<>(recipients.size());
- for (String recipient : recipients) {
+ if (message.getGroupInfo().isPresent()) {
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;
+ messageSender.sendMessage(new ArrayList<>(recipientsTS), message);
+ } catch (EncapsulatedExceptions encapsulatedExceptions) {
+ for (UntrustedIdentityException e : encapsulatedExceptions.getUntrustedIdentityExceptions()) {
+ signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED);
+ }
}
- }
-
- if (message.getGroupInfo().isPresent()) {
- messageSender.sendMessage(new ArrayList<>(recipientsTS), message);
} else {
// Send to all individually, so sync messages are sent correctly
+ List<UntrustedIdentityException> untrustedIdentities = new LinkedList<>();
+ List<UnregisteredUserException> unregisteredUsers = new LinkedList<>();
+ List<NetworkFailureException> networkExceptions = new LinkedList<>();
for (SignalServiceAddress address : recipientsTS) {
- messageSender.sendMessage(address, message);
+ 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.isEndSession()) {
for (SignalServiceAddress recipient : recipientsTS) {
handleEndSession(recipient.getNumber());
}
}
- } finally {
save();
}
}
- 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;
}
}
}
public interface ReceiveMessageHandler {
- void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, GroupInfo group);
+ void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, Throwable e);
}
- private GroupInfo handleSignalServiceDataMessage(SignalServiceDataMessage message, boolean isSync, String source, String destination) {
- GroupInfo group = null;
+ private void handleSignalServiceDataMessage(SignalServiceDataMessage message, boolean isSync, String source, String destination) {
if (message.getGroupInfo().isPresent()) {
SignalServiceGroup groupInfo = message.getGroupInfo().get();
switch (groupInfo.getType()) {
case UPDATE:
- try {
- group = groupStore.getGroup(groupInfo.getGroupId());
- } catch (GroupNotFoundException e) {
+ GroupInfo group;
+ group = groupStore.getGroup(groupInfo.getGroupId());
+ if (group == null) {
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());
- // TODO store group avatar in /avatar/groups folder
- group.avatarId = avatarId;
+ retrieveGroupAvatarAttachment(avatar.asPointer(), group.groupId);
} catch (IOException | InvalidMessageException e) {
- System.err.println("Failed to retrieve group avatar (" + avatarId + "): " + e.getMessage());
+ System.err.println("Failed to retrieve group avatar (" + avatar.asPointer().getId() + "): " + e.getMessage());
}
}
}
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 = groupStore.getGroup(groupInfo.getGroupId());
+ if (group != null) {
group.members.remove(source);
groupStore.updateGroup(group);
- } catch (GroupNotFoundException e) {
}
break;
}
}
}
}
- return group;
+ }
+
+ public void retryFailedReceivedMessages(ReceiveMessageHandler handler) {
+ final File cachePath = new File(getMessageCachePath());
+ if (!cachePath.exists()) {
+ return;
+ }
+ for (final File dir : cachePath.listFiles()) {
+ if (!dir.isDirectory()) {
+ continue;
+ }
+
+ String sender = dir.getName();
+ 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);
+ }
+ save();
+ handler.handleMessage(envelope, content, null);
+ fileEntry.delete();
+ }
+ }
}
public void receiveMessages(int timeoutSeconds, boolean returnOnTimeout, ReceiveMessageHandler handler) throws IOException {
+ retryFailedReceivedMessages(handler);
final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(URL, TRUST_STORE, username, password, deviceId, signalingKey, USER_AGENT);
SignalServiceMessagePipe messagePipe = null;
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();
- group = handleSignalServiceDataMessage(message, false, envelope.getSource(), username);
- }
- if (content.getSyncMessage().isPresent()) {
- SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
- if (syncMessage.getSent().isPresent()) {
- SignalServiceDataMessage message = syncMessage.getSent().get().getMessage();
- group = handleSignalServiceDataMessage(message, true, envelope.getSource(), syncMessage.getSent().get().getDestination().get());
- }
- if (syncMessage.getRequest().isPresent()) {
- RequestMessage rm = syncMessage.getRequest().get();
- if (rm.isContactsRequest()) {
- // TODO implement when we have contacts
- }
- if (rm.isGroupsRequest()) {
- try {
- sendGroups();
- } catch (EncapsulatedExceptions encapsulatedExceptions) {
- encapsulatedExceptions.printStackTrace();
- } catch (UntrustedIdentityException e) {
- e.printStackTrace();
- }
- }
- }
- if (syncMessage.getGroups().isPresent()) {
- try {
- DeviceGroupsInputStream s = new DeviceGroupsInputStream(retrieveAttachmentAsStream(syncMessage.getGroups().get().asPointer()));
- DeviceGroup g;
- while ((g = s.read()) != null) {
- GroupInfo syncGroup;
- try {
- syncGroup = groupStore.getGroup(g.getId());
- } catch (GroupNotFoundException e) {
- 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()) {
- byte[] ava = new byte[(int) g.getAvatar().get().getLength()];
- org.whispersystems.signalservice.internal.util.Util.readFully(g.getAvatar().get().getInputStream(), ava);
- // TODO store group avatar in /avatar/groups folder
- }
- groupStore.updateGroup(syncGroup);
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- if (syncMessage.getContacts().isPresent()) {
- try {
- DeviceContactsInputStream s = new DeviceContactsInputStream(retrieveAttachmentAsStream(syncMessage.getContacts().get().asPointer()));
- DeviceContact c;
- while ((c = s.read()) != null) {
- // TODO implement when we have contact storage
- if (c.getName().isPresent()) {
- c.getName().get();
- }
- c.getNumber();
-
- if (c.getAvatar().isPresent()) {
- byte[] ava = new byte[(int) c.getAvatar().get().getLength()];
- org.whispersystems.signalservice.internal.util.Util.readFully(c.getAvatar().get().getInputStream(), ava);
- // TODO store contact avatar in /avatar/contacts folder
- }
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
+ envelope = messagePipe.read(timeoutSeconds, TimeUnit.SECONDS, 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);
+ }
+ save();
+ handler.handleMessage(envelope, content, exception);
+ if (exception == null || !(exception instanceof org.whispersystems.libsignal.UntrustedIdentityException)) {
+ try {
+ File cacheFile = getMessageCacheFile(envelope.getSource(), now, envelope.getTimestamp());
+ cacheFile.delete();
+ } catch (IOException e) {
+ // Ignoring
+ return;
+ }
}
}
} finally {
}
}
+ private void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content) {
+ if (content != null) {
+ if (content.getDataMessage().isPresent()) {
+ SignalServiceDataMessage message = content.getDataMessage().get();
+ handleSignalServiceDataMessage(message, false, envelope.getSource(), username);
+ }
+ 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.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()) {
+ 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 (syncMessage.getBlockedList().isPresent()) {
+ // TODO store list of blocked numbers
+ }
+ }
+ 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();
+ }
+ 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();
+ }
+ }
+ }
+ }
+ }
+
+ 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)) {
+ 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);
+ }
+ out.close();
+ }
+ }
+
+ 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));
+ }
+ }
+
public File getAttachmentFile(long attachmentId) {
return new File(attachmentsPath, attachmentId + "");
}
private File retrieveAttachment(SignalServiceAttachmentPointer pointer) throws IOException, InvalidMessageException {
- final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(URL, TRUST_STORE, username, password, deviceId, 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);
} 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");
+ OutputStream output = null;
try {
output = new FileOutputStream(previewFile);
byte[] preview = pointer.getPreview().get();
}
}
}
+
+ final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(URL, TRUST_STORE, username, password, deviceId, signalingKey, USER_AGENT);
+
+ File tmpFile = File.createTempFile("ts_attach_" + pointer.getId(), ".tmp");
+ InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile);
+
+ 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);
+ }
+ } 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);
+ }
+ }
return outputFile;
}
return false;
}
- private void sendGroups() throws IOException, EncapsulatedExceptions, UntrustedIdentityException {
- File contactsFile = File.createTempFile("multidevice-contact-update", ".tmp");
+ private void sendGroups() throws IOException, UntrustedIdentityException {
+ File groupsFile = File.createTempFile("multidevice-group-update", ".tmp");
try {
- DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(new FileOutputStream(contactsFile));
+ DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(new FileOutputStream(groupsFile));
try {
for (GroupInfo record : groupStore.getGroups()) {
out.write(new DeviceGroup(record.groupId, Optional.fromNullable(record.name),
- new ArrayList<>(record.members), Optional.of(new SignalServiceAttachmentStream(new FileInputStream("/home/sebastian/Bilder/00026_150512_14-00-18.JPG"), "octet", new File("/home/sebastian/Bilder/00026_150512_14-00-18.JPG").length(), null)),
+ new ArrayList<>(record.members), createGroupAvatarAttachment(record.groupId),
record.active));
}
} 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));
+ }
+ } finally {
+ groupsFile.delete();
+ }
+ }
+
+ private void sendContacts() throws IOException, UntrustedIdentityException {
+ File contactsFile = File.createTempFile("multidevice-contact-update", ".tmp");
+
+ try {
+ DeviceContactsOutputStream out = new DeviceContactsOutputStream(new FileOutputStream(contactsFile));
+ try {
+ for (ContactInfo record : contactStore.getContacts()) {
+ out.write(new DeviceContact(record.number, Optional.fromNullable(record.name),
+ createContactAvatarAttachment(record.number), Optional.fromNullable(record.color)));
+ }
+ } finally {
+ out.close();
+ }
+
if (contactsFile.exists() && contactsFile.length() > 0) {
FileInputStream contactsFileStream = new FileInputStream(contactsFile);
SignalServiceAttachmentStream attachmentStream = SignalServiceAttachment.newStreamBuilder()
.withLength(contactsFile.length())
.build();
- sendMessage(SignalServiceSyncMessage.forGroups(attachmentStream));
+ sendMessage(SignalServiceSyncMessage.forContacts(attachmentStream));
}
} finally {
- if (contactsFile != null) contactsFile.delete();
+ contactsFile.delete();
}
}
+
+ public ContactInfo getContact(String number) {
+ return contactStore.getContact(number);
+ }
+
+ public GroupInfo getGroup(byte[] groupId) {
+ return groupStore.getGroup(groupId);
+ }
+
+ public Map<String, List<JsonIdentityKeyStore.Identity>> getIdentities() {
+ return signalProtocolStore.getIdentities();
+ }
+
+ public List<JsonIdentityKeyStore.Identity> 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<JsonIdentityKeyStore.Identity> ids = signalProtocolStore.getIdentities(name);
+ if (ids == null) {
+ return false;
+ }
+ for (JsonIdentityKeyStore.Identity id : ids) {
+ if (!Arrays.equals(id.identityKey.serialize(), fingerprint)) {
+ continue;
+ }
+
+ signalProtocolStore.saveIdentity(name, id.identityKey, TrustLevel.TRUSTED_VERIFIED);
+ 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<JsonIdentityKeyStore.Identity> ids = signalProtocolStore.getIdentities(name);
+ if (ids == null) {
+ return false;
+ }
+ for (JsonIdentityKeyStore.Identity id : ids) {
+ if (!safetyNumber.equals(computeSafetyNumber(name, id.identityKey))) {
+ continue;
+ }
+
+ signalProtocolStore.saveIdentity(name, id.identityKey, TrustLevel.TRUSTED_VERIFIED);
+ 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<JsonIdentityKeyStore.Identity> ids = signalProtocolStore.getIdentities(name);
+ if (ids == null) {
+ return false;
+ }
+ for (JsonIdentityKeyStore.Identity id : ids) {
+ if (id.trustLevel == TrustLevel.UNTRUSTED) {
+ signalProtocolStore.saveIdentity(name, id.identityKey, TrustLevel.TRUSTED_UNVERIFIED);
+ }
+ }
+ save();
+ return true;
+ }
+
+ public String computeSafetyNumber(String theirUsername, IdentityKey theirIdentityKey) {
+ Fingerprint fingerprint = new NumericFingerprintGenerator(5200).createFor(username, getIdentity(), theirUsername, theirIdentityKey);
+ return fingerprint.getDisplayableFingerprint().getDisplayText();
+ }
}