+++ /dev/null
-/**
- * Copyright (C) 2015 AsamK
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package org.asamk.textsecure;
-
-import com.fasterxml.jackson.annotation.JsonAutoDetect;
-import com.fasterxml.jackson.annotation.PropertyAccessor;
-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.asamk.TextSecure;
-import org.whispersystems.libsignal.*;
-import org.whispersystems.libsignal.ecc.Curve;
-import org.whispersystems.libsignal.ecc.ECKeyPair;
-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.libsignal.util.guava.Optional;
-import org.whispersystems.signalservice.api.SignalServiceAccountManager;
-import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
-import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
-import org.whispersystems.signalservice.api.SignalServiceMessageSender;
-import org.whispersystems.signalservice.api.crypto.SignalServiceCipher;
-import org.whispersystems.signalservice.api.messages.*;
-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.util.InvalidNumberException;
-import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
-
-import java.io.*;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.*;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-
-class Manager implements TextSecure {
- private final static String URL = "https://SignalService-service.whispersystems.org";
- private final static TrustStore TRUST_STORE = new WhisperTrustStore();
-
- public final static String PROJECT_NAME = Manager.class.getPackage().getImplementationTitle();
- public final static String PROJECT_VERSION = Manager.class.getPackage().getImplementationVersion();
- private final static String USER_AGENT = PROJECT_NAME + " " + PROJECT_VERSION;
-
- private final String settingsPath;
- private final String dataPath;
- private final String attachmentsPath;
-
- private final ObjectMapper jsonProcessot = new ObjectMapper();
- private String username;
- private String password;
- private String signalingKey;
- private int preKeyIdOffset;
- private int nextSignedPreKeyId;
-
- private boolean registered = false;
-
- private SignalProtocolStore signalProtocolStore;
- private SignalServiceAccountManager accountManager;
- private JsonGroupStore groupStore;
-
- public Manager(String username, String settingsPath) {
- this.username = username;
- this.settingsPath = settingsPath;
- this.dataPath = this.settingsPath + "/data";
- this.attachmentsPath = this.settingsPath + "/attachments";
-
- 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 String getFileName() {
- new File(dataPath).mkdirs();
- return dataPath + "/" + username;
- }
-
- public boolean userExists() {
- File f = new File(getFileName());
- return !(!f.exists() || f.isDirectory());
- }
-
- public boolean userHasKeys() {
- return signalProtocolStore != null;
- }
-
- private JsonNode getNotNullNode(JsonNode parent, String name) throws InvalidObjectException {
- JsonNode node = parent.get(name);
- if (node == null) {
- throw new InvalidObjectException(String.format("Incorrect file format: expected parameter %s not found ", name));
- }
-
- return node;
- }
-
- public void load() throws IOException, InvalidKeyException {
- JsonNode rootNode = jsonProcessot.readTree(new File(getFileName()));
-
- username = getNotNullNode(rootNode, "username").asText();
- password = getNotNullNode(rootNode, "password").asText();
- if (rootNode.has("signalingKey")) {
- signalingKey = getNotNullNode(rootNode, "signalingKey").asText();
- }
- if (rootNode.has("preKeyIdOffset")) {
- preKeyIdOffset = getNotNullNode(rootNode, "preKeyIdOffset").asInt(0);
- } else {
- preKeyIdOffset = 0;
- }
- if (rootNode.has("nextSignedPreKeyId")) {
- nextSignedPreKeyId = getNotNullNode(rootNode, "nextSignedPreKeyId").asInt();
- } else {
- nextSignedPreKeyId = 0;
- }
- signalProtocolStore = jsonProcessot.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);
- }
- if (groupStore == null) {
- groupStore = new JsonGroupStore();
- }
- accountManager = new SignalServiceAccountManager(URL, TRUST_STORE, username, password, USER_AGENT);
- }
-
- private void save() {
- ObjectNode rootNode = jsonProcessot.createObjectNode();
- rootNode.put("username", username)
- .put("password", password)
- .put("signalingKey", signalingKey)
- .put("preKeyIdOffset", preKeyIdOffset)
- .put("nextSignedPreKeyId", nextSignedPreKeyId)
- .put("registered", registered)
- .putPOJO("axolotlStore", signalProtocolStore)
- .putPOJO("groupStore", groupStore)
- ;
- try {
- jsonProcessot.writeValue(new File(getFileName()), rootNode);
- } catch (Exception e) {
- System.err.println(String.format("Error saving file: %s", e.getMessage()));
- }
- }
-
- public void createNewIdentity() {
- IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
- int registrationId = KeyHelper.generateRegistrationId(false);
- signalProtocolStore = new JsonSignalProtocolStore(identityKey, registrationId);
- groupStore = new JsonGroupStore();
- registered = false;
- save();
- }
-
- public boolean isRegistered() {
- return registered;
- }
-
- public void register(boolean voiceVerication) throws IOException {
- password = Util.getSecret(18);
-
- accountManager = new SignalServiceAccountManager(URL, TRUST_STORE, username, password, USER_AGENT);
-
- if (voiceVerication)
- accountManager.requestVoiceVerificationCode();
- else
- accountManager.requestSmsVerificationCode();
-
- registered = false;
- save();
- }
-
- private static final int BATCH_SIZE = 100;
-
- private List<PreKeyRecord> generatePreKeys() {
- List<PreKeyRecord> records = new LinkedList<>();
-
- for (int i = 0; i < BATCH_SIZE; i++) {
- int preKeyId = (preKeyIdOffset + i) % Medium.MAX_VALUE;
- ECKeyPair keyPair = Curve.generateKeyPair();
- PreKeyRecord record = new PreKeyRecord(preKeyId, keyPair);
-
- signalProtocolStore.storePreKey(preKeyId, record);
- records.add(record);
- }
-
- preKeyIdOffset = (preKeyIdOffset + BATCH_SIZE + 1) % Medium.MAX_VALUE;
- save();
-
- return records;
- }
-
- private PreKeyRecord generateLastResortPreKey() {
- 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();
- byte[] signature = Curve.calculateSignature(identityKeyPair.getPrivateKey(), keyPair.getPublicKey().serialize());
- SignedPreKeyRecord record = new SignedPreKeyRecord(nextSignedPreKeyId, System.currentTimeMillis(), keyPair, signature);
-
- signalProtocolStore.storeSignedPreKey(nextSignedPreKeyId, record);
- nextSignedPreKeyId = (nextSignedPreKeyId + 1) % Medium.MAX_VALUE;
- save();
-
- return record;
- } catch (InvalidKeyException e) {
- throw new AssertionError(e);
- }
- }
-
- public void verifyAccount(String verificationCode) throws IOException {
- verificationCode = verificationCode.replace("-", "");
- signalingKey = Util.getSecret(52);
- accountManager.verifyAccountWithCode(verificationCode, signalingKey, signalProtocolStore.getLocalRegistrationId(), false, true);
-
- //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
- registered = true;
-
- List<PreKeyRecord> oneTimePreKeys = generatePreKeys();
-
- PreKeyRecord lastResortKey = generateLastResortPreKey();
-
- SignedPreKeyRecord signedPreKeyRecord = generateSignedPreKey(signalProtocolStore.getIdentityKeyPair());
-
- accountManager.setPreKeys(signalProtocolStore.getIdentityKeyPair().getPublicKey(), lastResortKey, signedPreKeyRecord, oneTimePreKeys);
- save();
- }
-
-
- private static List<SignalServiceAttachment> getSignalServiceAttachments(List<String> attachments) throws AttachmentInvalidException {
- List<SignalServiceAttachment> SignalServiceAttachments = null;
- if (attachments != null) {
- SignalServiceAttachments = new ArrayList<>(attachments.size());
- for (String attachment : attachments) {
- try {
- SignalServiceAttachments.add(createAttachment(attachment));
- } catch (IOException e) {
- throw new AttachmentInvalidException(attachment, e);
- }
- }
- }
- return SignalServiceAttachments;
- }
-
- private static SignalServiceAttachmentStream createAttachment(String attachment) throws IOException {
- File attachmentFile = new File(attachment);
- InputStream attachmentStream = new FileInputStream(attachmentFile);
- final long attachmentSize = attachmentFile.length();
- String mime = Files.probeContentType(Paths.get(attachment));
- return new SignalServiceAttachmentStream(attachmentStream, mime, attachmentSize, null);
- }
-
- @Override
- public void sendGroupMessage(String messageText, List<String> attachments,
- byte[] groupId)
- throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException {
- final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
- if (attachments != null) {
- messageBuilder.withAttachments(getSignalServiceAttachments(attachments));
- }
- if (groupId != null) {
- SignalServiceGroup group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.DELIVER)
- .withId(groupId)
- .build();
- messageBuilder.asGroupMessage(group);
- }
- SignalServiceDataMessage message = messageBuilder.build();
-
- sendMessage(message, groupStore.getGroup(groupId).members);
- }
-
- public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions {
- SignalServiceGroup group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT)
- .withId(groupId)
- .build();
-
- SignalServiceDataMessage message = SignalServiceDataMessage.newBuilder()
- .asGroupMessage(group)
- .build();
-
- sendMessage(message, groupStore.getGroup(groupId).members);
- }
-
- 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);
- }
-
- if (name != null) {
- g.name = name;
- }
-
- if (members != null) {
- for (String member : members) {
- try {
- g.members.add(canonicalizeNumber(member));
- } catch (InvalidNumberException e) {
- System.err.println("Failed to add member \"" + member + "\" to group: " + e.getMessage());
- System.err.println("Aborting…");
- System.exit(1);
- }
- }
- }
-
- SignalServiceGroup.Builder group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.UPDATE)
- .withId(g.groupId)
- .withName(g.name)
- .withMembers(new ArrayList<>(g.members));
-
- if (avatarFile != null) {
- try {
- group.withAvatar(createAttachment(avatarFile));
- // TODO
- g.avatarId = 0;
- } catch (IOException e) {
- throw new AttachmentInvalidException(avatarFile, e);
- }
- }
-
- groupStore.updateGroup(g);
-
- SignalServiceDataMessage message = SignalServiceDataMessage.newBuilder()
- .asGroupMessage(group.build())
- .build();
-
- sendMessage(message, g.members);
- return g.groupId;
- }
-
- @Override
- public void sendMessage(String message, List<String> attachments, String recipient)
- 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 {
- final SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
- if (attachments != null) {
- messageBuilder.withAttachments(getSignalServiceAttachments(attachments));
- }
- SignalServiceDataMessage message = messageBuilder.build();
-
- sendMessage(message, recipients);
- }
-
- @Override
- public void sendEndSessionMessage(List<String> recipients) throws IOException, EncapsulatedExceptions {
- SignalServiceDataMessage message = SignalServiceDataMessage.newBuilder()
- .asEndSessionMessage()
- .build();
-
- sendMessage(message, recipients);
- }
-
- private void sendMessage(SignalServiceDataMessage message, Collection<String> recipients)
- throws IOException, EncapsulatedExceptions {
- SignalServiceMessageSender messageSender = new SignalServiceMessageSender(URL, TRUST_STORE, username, password,
- signalProtocolStore, USER_AGENT, Optional.<SignalServiceMessageSender.EventListener>absent());
-
- 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;
- }
- }
-
- messageSender.sendMessage(new ArrayList<>(recipientsTS), message);
-
- if (message.isEndSession()) {
- for (SignalServiceAddress recipient : recipientsTS) {
- handleEndSession(recipient.getNumber());
- }
- }
- save();
- }
-
- private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) {
- SignalServiceCipher cipher = new SignalServiceCipher(new SignalServiceAddress(username), signalProtocolStore);
- try {
- return cipher.decrypt(envelope);
- } catch (Exception e) {
- // TODO handle all exceptions
- e.printStackTrace();
- return null;
- }
- }
-
- private void handleEndSession(String source) {
- signalProtocolStore.deleteAllSessions(source);
- }
-
- public interface ReceiveMessageHandler {
- void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, GroupInfo group);
- }
-
- 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;
-
- try {
- messagePipe = messageReceiver.createMessagePipe();
-
- while (true) {
- SignalServiceEnvelope envelope;
- SignalServiceContent content = null;
- GroupInfo group = null;
- 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());
- }
- }
- }
- }
- }
- }
- }
- save();
- handler.handleMessage(envelope, content, group);
- } catch (TimeoutException e) {
- if (returnOnTimeout)
- return;
- } catch (InvalidVersionException e) {
- System.err.println("Ignoring error: " + e.getMessage());
- }
- }
- } finally {
- if (messagePipe != null)
- messagePipe.shutdown();
- }
- }
-
- 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, signalingKey, USER_AGENT);
-
- File tmpFile = File.createTempFile("ts_attach_" + pointer.getId(), ".tmp");
- InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile);
-
- new File(attachmentsPath).mkdirs();
- File outputFile = getAttachmentFile(pointer.getId());
- 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();
- output = null;
- }
- if (!tmpFile.delete()) {
- System.err.println("Failed to delete temp file: " + tmpFile);
- }
- }
- if (pointer.getPreview().isPresent()) {
- File previewFile = new File(outputFile + ".preview");
- try {
- 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();
- }
- }
- }
- return outputFile;
- }
-
- private String canonicalizeNumber(String number) throws InvalidNumberException {
- String localNumber = username;
- return PhoneNumberFormatter.formatNumber(number, localNumber);
- }
-
- private SignalServiceAddress getPushAddress(String number) throws InvalidNumberException {
- String e164number = canonicalizeNumber(number);
- return new SignalServiceAddress(e164number);
- }
-
- @Override
- public boolean isRemote() {
- return false;
- }
-}
git.nmode.ca / signal-cli / blobdiff
