--- /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.libaxolotl.*;
+import org.whispersystems.libaxolotl.ecc.Curve;
+import org.whispersystems.libaxolotl.ecc.ECKeyPair;
+import org.whispersystems.libaxolotl.state.PreKeyRecord;
+import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
+import org.whispersystems.libaxolotl.util.KeyHelper;
+import org.whispersystems.libaxolotl.util.Medium;
+import org.whispersystems.libaxolotl.util.guava.Optional;
+import org.whispersystems.textsecure.api.TextSecureAccountManager;
+import org.whispersystems.textsecure.api.TextSecureMessagePipe;
+import org.whispersystems.textsecure.api.TextSecureMessageReceiver;
+import org.whispersystems.textsecure.api.TextSecureMessageSender;
+import org.whispersystems.textsecure.api.crypto.TextSecureCipher;
+import org.whispersystems.textsecure.api.messages.*;
+import org.whispersystems.textsecure.api.push.TextSecureAddress;
+import org.whispersystems.textsecure.api.push.TrustStore;
+import org.whispersystems.textsecure.api.push.exceptions.EncapsulatedExceptions;
+import org.whispersystems.textsecure.api.util.InvalidNumberException;
+import org.whispersystems.textsecure.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://textsecure-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 static String settingsPath = System.getProperty("user.home") + "/.config/textsecure";
+ private final static String dataPath = settingsPath + "/data";
+ private final static String attachmentsPath = settingsPath + "/attachments";
+
+ 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 JsonAxolotlStore axolotlStore;
+ private TextSecureAccountManager accountManager;
+ private JsonGroupStore groupStore;
+
+ public Manager(String username) {
+ this.username = username;
+ 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 axolotlStore != 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;
+ }
+ axolotlStore = jsonProcessot.convertValue(getNotNullNode(rootNode, "axolotlStore"), JsonAxolotlStore.class); //new JsonAxolotlStore(in.getJSONObject("axolotlStore"));
+ 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 TextSecureAccountManager(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", axolotlStore)
+ .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);
+ axolotlStore = new JsonAxolotlStore(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 TextSecureAccountManager(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);
+
+ axolotlStore.storePreKey(preKeyId, record);
+ records.add(record);
+ }
+
+ preKeyIdOffset = (preKeyIdOffset + BATCH_SIZE + 1) % Medium.MAX_VALUE;
+ save();
+
+ return records;
+ }
+
+ private PreKeyRecord generateLastResortPreKey() {
+ if (axolotlStore.containsPreKey(Medium.MAX_VALUE)) {
+ try {
+ return axolotlStore.loadPreKey(Medium.MAX_VALUE);
+ } catch (InvalidKeyIdException e) {
+ axolotlStore.removePreKey(Medium.MAX_VALUE);
+ }
+ }
+
+ ECKeyPair keyPair = Curve.generateKeyPair();
+ PreKeyRecord record = new PreKeyRecord(Medium.MAX_VALUE, keyPair);
+
+ axolotlStore.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);
+
+ axolotlStore.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, axolotlStore.getLocalRegistrationId(), false);
+
+ //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
+ registered = true;
+
+ List<PreKeyRecord> oneTimePreKeys = generatePreKeys();
+
+ PreKeyRecord lastResortKey = generateLastResortPreKey();
+
+ SignedPreKeyRecord signedPreKeyRecord = generateSignedPreKey(axolotlStore.getIdentityKeyPair());
+
+ accountManager.setPreKeys(axolotlStore.getIdentityKeyPair().getPublicKey(), lastResortKey, signedPreKeyRecord, oneTimePreKeys);
+ save();
+ }
+
+
+ private static List<TextSecureAttachment> getTextSecureAttachments(List<String> attachments) throws AttachmentInvalidException {
+ List<TextSecureAttachment> textSecureAttachments = null;
+ if (attachments != null) {
+ textSecureAttachments = new ArrayList<>(attachments.size());
+ for (String attachment : attachments) {
+ try {
+ textSecureAttachments.add(createAttachment(attachment));
+ } catch (IOException e) {
+ throw new AttachmentInvalidException(attachment, e);
+ }
+ }
+ }
+ return textSecureAttachments;
+ }
+
+ private static TextSecureAttachmentStream 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 TextSecureAttachmentStream(attachmentStream, mime, attachmentSize, null);
+ }
+
+ @Override
+ public void sendGroupMessage(String messageText, List<String> attachments,
+ byte[] groupId)
+ throws IOException, EncapsulatedExceptions, GroupNotFoundException, AttachmentInvalidException {
+ final TextSecureDataMessage.Builder messageBuilder = TextSecureDataMessage.newBuilder().withBody(messageText);
+ if (attachments != null) {
+ messageBuilder.withAttachments(getTextSecureAttachments(attachments));
+ }
+ if (groupId != null) {
+ TextSecureGroup group = TextSecureGroup.newBuilder(TextSecureGroup.Type.DELIVER)
+ .withId(groupId)
+ .build();
+ messageBuilder.asGroupMessage(group);
+ }
+ TextSecureDataMessage message = messageBuilder.build();
+
+ sendMessage(message, groupStore.getGroup(groupId).members);
+ }
+
+ public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions {
+ TextSecureGroup group = TextSecureGroup.newBuilder(TextSecureGroup.Type.QUIT)
+ .withId(groupId)
+ .build();
+
+ TextSecureDataMessage message = TextSecureDataMessage.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);
+ }
+ }
+ }
+
+ TextSecureGroup.Builder group = TextSecureGroup.newBuilder(TextSecureGroup.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);
+
+ TextSecureDataMessage message = TextSecureDataMessage.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 TextSecureDataMessage.Builder messageBuilder = TextSecureDataMessage.newBuilder().withBody(messageText);
+ if (attachments != null) {
+ messageBuilder.withAttachments(getTextSecureAttachments(attachments));
+ }
+ TextSecureDataMessage message = messageBuilder.build();
+
+ sendMessage(message, recipients);
+ }
+
+ @Override
+ public void sendEndSessionMessage(List<String> recipients) throws IOException, EncapsulatedExceptions {
+ TextSecureDataMessage message = TextSecureDataMessage.newBuilder()
+ .asEndSessionMessage()
+ .build();
+
+ sendMessage(message, recipients);
+ }
+
+ private void sendMessage(TextSecureDataMessage message, Collection<String> recipients)
+ throws IOException, EncapsulatedExceptions {
+ TextSecureMessageSender messageSender = new TextSecureMessageSender(URL, TRUST_STORE, username, password,
+ axolotlStore, USER_AGENT, Optional.<TextSecureMessageSender.EventListener>absent());
+
+ Set<TextSecureAddress> 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 (TextSecureAddress recipient : recipientsTS) {
+ handleEndSession(recipient.getNumber());
+ }
+ }
+ save();
+ }
+
+ private TextSecureContent decryptMessage(TextSecureEnvelope envelope) {
+ TextSecureCipher cipher = new TextSecureCipher(new TextSecureAddress(username), axolotlStore);
+ try {
+ return cipher.decrypt(envelope);
+ } catch (Exception e) {
+ // TODO handle all exceptions
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ private void handleEndSession(String source) {
+ axolotlStore.deleteAllSessions(source);
+ }
+
+ public interface ReceiveMessageHandler {
+ void handleMessage(TextSecureEnvelope envelope, TextSecureContent decryptedContent, GroupInfo group);
+ }
+
+ public void receiveMessages(int timeoutSeconds, boolean returnOnTimeout, ReceiveMessageHandler handler) throws IOException {
+ final TextSecureMessageReceiver messageReceiver = new TextSecureMessageReceiver(URL, TRUST_STORE, username, password, signalingKey, USER_AGENT);
+ TextSecureMessagePipe messagePipe = null;
+
+ try {
+ messagePipe = messageReceiver.createMessagePipe();
+
+ while (true) {
+ TextSecureEnvelope envelope;
+ TextSecureContent 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()) {
+ TextSecureDataMessage message = content.getDataMessage().get();
+ if (message.getGroupInfo().isPresent()) {
+ TextSecureGroup 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()) {
+ TextSecureAttachment 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 (TextSecureAttachment 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(TextSecureAttachmentPointer pointer) throws IOException, InvalidMessageException {
+ final TextSecureMessageReceiver messageReceiver = new TextSecureMessageReceiver(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 TextSecureAddress getPushAddress(String number) throws InvalidNumberException {
+ String e164number = canonicalizeNumber(number);
+ return new TextSecureAddress(e164number);
+ }
+
+ @Override
+ public boolean isRemote() {
+ return false;
+ }
+}
git.nmode.ca / signal-cli / blobdiff
