mirror of
https://github.com/AsamK/signal-cli
synced 2025-08-29 18:40:39 +00:00
1670 lines
71 KiB
Java
1670 lines
71 KiB
Java
/**
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* Copyright (C) 2015 AsamK
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.asamk.signal;
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import com.fasterxml.jackson.annotation.JsonAutoDetect;
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import com.fasterxml.jackson.annotation.PropertyAccessor;
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import com.fasterxml.jackson.core.JsonGenerator;
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import com.fasterxml.jackson.core.JsonParser;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.SerializationFeature;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import org.apache.http.util.TextUtils;
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import org.asamk.Signal;
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import org.asamk.signal.storage.contacts.ContactInfo;
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import org.asamk.signal.storage.contacts.JsonContactsStore;
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import org.asamk.signal.storage.groups.GroupInfo;
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import org.asamk.signal.storage.groups.JsonGroupStore;
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import org.asamk.signal.storage.protocol.JsonIdentityKeyStore;
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import org.asamk.signal.storage.protocol.JsonSignalProtocolStore;
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import org.asamk.signal.storage.threads.JsonThreadStore;
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import org.asamk.signal.storage.threads.ThreadInfo;
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import org.asamk.signal.util.Util;
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import org.whispersystems.libsignal.*;
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import org.whispersystems.libsignal.ecc.Curve;
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import org.whispersystems.libsignal.ecc.ECKeyPair;
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import org.whispersystems.libsignal.ecc.ECPublicKey;
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import org.whispersystems.libsignal.fingerprint.Fingerprint;
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import org.whispersystems.libsignal.fingerprint.NumericFingerprintGenerator;
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import org.whispersystems.libsignal.state.PreKeyRecord;
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import org.whispersystems.libsignal.state.SignedPreKeyRecord;
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import org.whispersystems.libsignal.util.KeyHelper;
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import org.whispersystems.libsignal.util.Medium;
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import org.whispersystems.libsignal.util.guava.Optional;
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import org.whispersystems.signalservice.api.SignalServiceAccountManager;
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import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
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import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
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import org.whispersystems.signalservice.api.SignalServiceMessageSender;
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import org.whispersystems.signalservice.api.crypto.SignalServiceCipher;
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import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
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import org.whispersystems.signalservice.api.messages.*;
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import org.whispersystems.signalservice.api.messages.multidevice.*;
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import org.whispersystems.signalservice.api.push.ContactTokenDetails;
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import org.whispersystems.signalservice.api.push.SignalServiceAddress;
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import org.whispersystems.signalservice.api.push.TrustStore;
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import org.whispersystems.signalservice.api.push.exceptions.*;
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import org.whispersystems.signalservice.api.util.InvalidNumberException;
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import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
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import org.whispersystems.signalservice.internal.configuration.SignalCdnUrl;
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import org.whispersystems.signalservice.internal.configuration.SignalServiceConfiguration;
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import org.whispersystems.signalservice.internal.configuration.SignalServiceUrl;
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import org.whispersystems.signalservice.internal.push.SignalServiceProtos;
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import org.whispersystems.signalservice.internal.util.Base64;
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import java.io.*;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.net.URLDecoder;
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import java.net.URLEncoder;
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import java.nio.channels.Channels;
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import java.nio.channels.FileChannel;
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import java.nio.channels.FileLock;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardCopyOption;
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import java.nio.file.attribute.PosixFilePermission;
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import java.nio.file.attribute.PosixFilePermissions;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.TimeoutException;
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import static java.nio.file.attribute.PosixFilePermission.*;
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class Manager implements Signal {
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private final static String URL = "https://textsecure-service.whispersystems.org";
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private final static String CDN_URL = "https://cdn.signal.org";
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private final static TrustStore TRUST_STORE = new WhisperTrustStore();
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private final static SignalServiceConfiguration serviceConfiguration = new SignalServiceConfiguration(
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new SignalServiceUrl[]{new SignalServiceUrl(URL, TRUST_STORE)},
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new SignalCdnUrl[]{new SignalCdnUrl(CDN_URL, TRUST_STORE)}
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);
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public final static String PROJECT_NAME = Manager.class.getPackage().getImplementationTitle();
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public final static String PROJECT_VERSION = Manager.class.getPackage().getImplementationVersion();
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private final static String USER_AGENT = PROJECT_NAME == null ? null : PROJECT_NAME + " " + PROJECT_VERSION;
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private final static int PREKEY_MINIMUM_COUNT = 20;
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private static final int PREKEY_BATCH_SIZE = 100;
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private static final int MAX_ATTACHMENT_SIZE = 150 * 1024 * 1024;
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private final String settingsPath;
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private final String dataPath;
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private final String attachmentsPath;
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private final String avatarsPath;
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private FileChannel fileChannel;
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private FileLock lock;
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private final ObjectMapper jsonProcessor = new ObjectMapper();
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private String username;
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private int deviceId = SignalServiceAddress.DEFAULT_DEVICE_ID;
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private String password;
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private String registrationLockPin;
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private String signalingKey;
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private int preKeyIdOffset;
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private int nextSignedPreKeyId;
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private boolean registered = false;
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private JsonSignalProtocolStore signalProtocolStore;
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private SignalServiceAccountManager accountManager;
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private JsonGroupStore groupStore;
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private JsonContactsStore contactStore;
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private JsonThreadStore threadStore;
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private SignalServiceMessagePipe messagePipe = null;
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public Manager(String username, String settingsPath) {
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this.username = username;
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this.settingsPath = settingsPath;
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this.dataPath = this.settingsPath + "/data";
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this.attachmentsPath = this.settingsPath + "/attachments";
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this.avatarsPath = this.settingsPath + "/avatars";
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jsonProcessor.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.NONE); // disable autodetect
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jsonProcessor.enable(SerializationFeature.INDENT_OUTPUT); // for pretty print, you can disable it.
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jsonProcessor.enable(SerializationFeature.WRITE_NULL_MAP_VALUES);
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jsonProcessor.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
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jsonProcessor.disable(JsonParser.Feature.AUTO_CLOSE_SOURCE);
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jsonProcessor.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
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}
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public String getUsername() {
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return username;
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}
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private IdentityKey getIdentity() {
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return signalProtocolStore.getIdentityKeyPair().getPublicKey();
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}
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public int getDeviceId() {
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return deviceId;
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}
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public String getFileName() {
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return dataPath + "/" + username;
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}
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private String getMessageCachePath() {
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return this.dataPath + "/" + username + ".d/msg-cache";
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}
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private String getMessageCachePath(String sender) {
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return getMessageCachePath() + "/" + sender.replace("/", "_");
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}
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private File getMessageCacheFile(String sender, long now, long timestamp) throws IOException {
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String cachePath = getMessageCachePath(sender);
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createPrivateDirectories(cachePath);
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return new File(cachePath + "/" + now + "_" + timestamp);
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}
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private static void createPrivateDirectories(String path) throws IOException {
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final Path file = new File(path).toPath();
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try {
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Set<PosixFilePermission> perms = EnumSet.of(OWNER_READ, OWNER_WRITE, OWNER_EXECUTE);
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Files.createDirectories(file, PosixFilePermissions.asFileAttribute(perms));
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} catch (UnsupportedOperationException e) {
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Files.createDirectories(file);
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}
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}
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private static void createPrivateFile(String path) throws IOException {
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final Path file = new File(path).toPath();
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try {
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Set<PosixFilePermission> perms = EnumSet.of(OWNER_READ, OWNER_WRITE);
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Files.createFile(file, PosixFilePermissions.asFileAttribute(perms));
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} catch (UnsupportedOperationException e) {
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Files.createFile(file);
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}
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}
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public boolean userExists() {
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if (username == null) {
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return false;
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}
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File f = new File(getFileName());
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return !(!f.exists() || f.isDirectory());
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}
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public boolean userHasKeys() {
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return signalProtocolStore != null;
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}
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private JsonNode getNotNullNode(JsonNode parent, String name) throws InvalidObjectException {
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JsonNode node = parent.get(name);
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if (node == null) {
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throw new InvalidObjectException(String.format("Incorrect file format: expected parameter %s not found ", name));
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}
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return node;
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}
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private void openFileChannel() throws IOException {
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if (fileChannel != null)
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return;
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createPrivateDirectories(dataPath);
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if (!new File(getFileName()).exists()) {
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createPrivateFile(getFileName());
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}
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fileChannel = new RandomAccessFile(new File(getFileName()), "rw").getChannel();
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lock = fileChannel.tryLock();
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if (lock == null) {
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System.err.println("Config file is in use by another instance, waiting…");
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lock = fileChannel.lock();
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System.err.println("Config file lock acquired.");
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}
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}
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public void init() throws IOException {
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load();
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migrateLegacyConfigs();
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accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, deviceId, USER_AGENT);
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try {
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if (registered && accountManager.getPreKeysCount() < PREKEY_MINIMUM_COUNT) {
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refreshPreKeys();
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save();
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}
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} catch (AuthorizationFailedException e) {
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System.err.println("Authorization failed, was the number registered elsewhere?");
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}
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}
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private void load() throws IOException {
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openFileChannel();
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JsonNode rootNode = jsonProcessor.readTree(Channels.newInputStream(fileChannel));
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JsonNode node = rootNode.get("deviceId");
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if (node != null) {
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deviceId = node.asInt();
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}
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username = getNotNullNode(rootNode, "username").asText();
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password = getNotNullNode(rootNode, "password").asText();
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JsonNode pinNode = rootNode.get("registrationLockPin");
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registrationLockPin = pinNode == null ? null : pinNode.asText();
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if (rootNode.has("signalingKey")) {
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signalingKey = getNotNullNode(rootNode, "signalingKey").asText();
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}
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if (rootNode.has("preKeyIdOffset")) {
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preKeyIdOffset = getNotNullNode(rootNode, "preKeyIdOffset").asInt(0);
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} else {
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preKeyIdOffset = 0;
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}
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if (rootNode.has("nextSignedPreKeyId")) {
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nextSignedPreKeyId = getNotNullNode(rootNode, "nextSignedPreKeyId").asInt();
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} else {
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nextSignedPreKeyId = 0;
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}
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signalProtocolStore = jsonProcessor.convertValue(getNotNullNode(rootNode, "axolotlStore"), JsonSignalProtocolStore.class);
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registered = getNotNullNode(rootNode, "registered").asBoolean();
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JsonNode groupStoreNode = rootNode.get("groupStore");
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if (groupStoreNode != null) {
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groupStore = jsonProcessor.convertValue(groupStoreNode, JsonGroupStore.class);
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}
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if (groupStore == null) {
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groupStore = new JsonGroupStore();
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}
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JsonNode contactStoreNode = rootNode.get("contactStore");
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if (contactStoreNode != null) {
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contactStore = jsonProcessor.convertValue(contactStoreNode, JsonContactsStore.class);
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}
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if (contactStore == null) {
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contactStore = new JsonContactsStore();
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}
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JsonNode threadStoreNode = rootNode.get("threadStore");
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if (threadStoreNode != null) {
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threadStore = jsonProcessor.convertValue(threadStoreNode, JsonThreadStore.class);
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}
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if (threadStore == null) {
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threadStore = new JsonThreadStore();
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}
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}
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private void migrateLegacyConfigs() {
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// Copy group avatars that were previously stored in the attachments folder
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// to the new avatar folder
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if (JsonGroupStore.groupsWithLegacyAvatarId.size() > 0) {
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for (GroupInfo g : JsonGroupStore.groupsWithLegacyAvatarId) {
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File avatarFile = getGroupAvatarFile(g.groupId);
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File attachmentFile = getAttachmentFile(g.getAvatarId());
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if (!avatarFile.exists() && attachmentFile.exists()) {
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try {
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createPrivateDirectories(avatarsPath);
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Files.copy(attachmentFile.toPath(), avatarFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
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} catch (Exception e) {
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// Ignore
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}
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}
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}
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JsonGroupStore.groupsWithLegacyAvatarId.clear();
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save();
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}
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}
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private void save() {
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if (username == null) {
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return;
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}
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ObjectNode rootNode = jsonProcessor.createObjectNode();
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rootNode.put("username", username)
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.put("deviceId", deviceId)
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.put("password", password)
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.put("registrationLockPin", registrationLockPin)
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.put("signalingKey", signalingKey)
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.put("preKeyIdOffset", preKeyIdOffset)
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.put("nextSignedPreKeyId", nextSignedPreKeyId)
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.put("registered", registered)
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.putPOJO("axolotlStore", signalProtocolStore)
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.putPOJO("groupStore", groupStore)
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.putPOJO("contactStore", contactStore)
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.putPOJO("threadStore", threadStore)
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;
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try {
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openFileChannel();
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fileChannel.position(0);
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jsonProcessor.writeValue(Channels.newOutputStream(fileChannel), rootNode);
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fileChannel.truncate(fileChannel.position());
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fileChannel.force(false);
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} catch (Exception e) {
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System.err.println(String.format("Error saving file: %s", e.getMessage()));
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}
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}
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public void createNewIdentity() {
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IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
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int registrationId = KeyHelper.generateRegistrationId(false);
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signalProtocolStore = new JsonSignalProtocolStore(identityKey, registrationId);
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groupStore = new JsonGroupStore();
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registered = false;
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save();
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}
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public boolean isRegistered() {
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return registered;
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}
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public void register(boolean voiceVerification) throws IOException {
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password = Util.getSecret(18);
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accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, USER_AGENT);
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if (voiceVerification)
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accountManager.requestVoiceVerificationCode();
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else
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accountManager.requestSmsVerificationCode();
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registered = false;
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save();
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}
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public void updateAccountAttributes() throws IOException {
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accountManager.setAccountAttributes(signalingKey, signalProtocolStore.getLocalRegistrationId(), true, registrationLockPin);
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}
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public void unregister() throws IOException {
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// When setting an empty GCM id, the Signal-Server also sets the fetchesMessages property to false.
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// If this is the master device, other users can't send messages to this number anymore.
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// If this is a linked device, other users can still send messages, but this device doesn't receive them anymore.
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accountManager.setGcmId(Optional.<String>absent());
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}
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public URI getDeviceLinkUri() throws TimeoutException, IOException {
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password = Util.getSecret(18);
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accountManager = new SignalServiceAccountManager(serviceConfiguration, username, password, USER_AGENT);
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String uuid = accountManager.getNewDeviceUuid();
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registered = false;
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try {
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return new URI("tsdevice:/?uuid=" + URLEncoder.encode(uuid, "utf-8") + "&pub_key=" + URLEncoder.encode(Base64.encodeBytesWithoutPadding(signalProtocolStore.getIdentityKeyPair().getPublicKey().serialize()), "utf-8"));
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} catch (URISyntaxException e) {
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// Shouldn't happen
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return null;
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}
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}
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public void finishDeviceLink(String deviceName) throws IOException, InvalidKeyException, TimeoutException, UserAlreadyExists {
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signalingKey = Util.getSecret(52);
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SignalServiceAccountManager.NewDeviceRegistrationReturn ret = accountManager.finishNewDeviceRegistration(signalProtocolStore.getIdentityKeyPair(), signalingKey, false, true, signalProtocolStore.getLocalRegistrationId(), deviceName);
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deviceId = ret.getDeviceId();
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username = ret.getNumber();
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// TODO do this check before actually registering
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if (userExists()) {
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throw new UserAlreadyExists(username, getFileName());
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}
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signalProtocolStore = new JsonSignalProtocolStore(ret.getIdentity(), signalProtocolStore.getLocalRegistrationId());
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registered = true;
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refreshPreKeys();
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requestSyncGroups();
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requestSyncContacts();
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save();
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}
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public List<DeviceInfo> getLinkedDevices() throws IOException {
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return accountManager.getDevices();
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}
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public void removeLinkedDevices(int deviceId) throws IOException {
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accountManager.removeDevice(deviceId);
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}
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public static Map<String, String> getQueryMap(String query) {
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String[] params = query.split("&");
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Map<String, String> map = new HashMap<>();
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for (String param : params) {
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String name = null;
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try {
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name = URLDecoder.decode(param.split("=")[0], "utf-8");
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} catch (UnsupportedEncodingException e) {
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// Impossible
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}
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String value = null;
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try {
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value = URLDecoder.decode(param.split("=")[1], "utf-8");
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} catch (UnsupportedEncodingException e) {
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// Impossible
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}
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map.put(name, value);
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}
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return map;
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}
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public void addDeviceLink(URI linkUri) throws IOException, InvalidKeyException {
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Map<String, String> query = getQueryMap(linkUri.getRawQuery());
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String deviceIdentifier = query.get("uuid");
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String publicKeyEncoded = query.get("pub_key");
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if (TextUtils.isEmpty(deviceIdentifier) || TextUtils.isEmpty(publicKeyEncoded)) {
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throw new RuntimeException("Invalid device link uri");
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}
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ECPublicKey deviceKey = Curve.decodePoint(Base64.decode(publicKeyEncoded), 0);
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addDevice(deviceIdentifier, deviceKey);
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}
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private void addDevice(String deviceIdentifier, ECPublicKey deviceKey) throws IOException, InvalidKeyException {
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IdentityKeyPair identityKeyPair = signalProtocolStore.getIdentityKeyPair();
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String verificationCode = accountManager.getNewDeviceVerificationCode();
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// TODO send profile key
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accountManager.addDevice(deviceIdentifier, deviceKey, identityKeyPair, Optional.<byte[]>absent(), verificationCode);
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}
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private List<PreKeyRecord> generatePreKeys() {
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List<PreKeyRecord> records = new LinkedList<>();
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|
|
for (int i = 0; i < PREKEY_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 + PREKEY_BATCH_SIZE + 1) % Medium.MAX_VALUE;
|
|
save();
|
|
|
|
return records;
|
|
}
|
|
|
|
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, String pin) throws IOException {
|
|
verificationCode = verificationCode.replace("-", "");
|
|
signalingKey = Util.getSecret(52);
|
|
accountManager.verifyAccountWithCode(verificationCode, signalingKey, signalProtocolStore.getLocalRegistrationId(), true, pin);
|
|
|
|
//accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
|
|
registered = true;
|
|
registrationLockPin = pin;
|
|
|
|
refreshPreKeys();
|
|
save();
|
|
}
|
|
|
|
public void setRegistrationLockPin(Optional<String> pin) throws IOException {
|
|
accountManager.setPin(pin);
|
|
if (pin.isPresent()) {
|
|
registrationLockPin = pin.get();
|
|
} else {
|
|
registrationLockPin = null;
|
|
}
|
|
}
|
|
|
|
private void refreshPreKeys() throws IOException {
|
|
List<PreKeyRecord> oneTimePreKeys = generatePreKeys();
|
|
SignedPreKeyRecord signedPreKeyRecord = generateSignedPreKey(signalProtocolStore.getIdentityKeyPair());
|
|
|
|
accountManager.setPreKeys(signalProtocolStore.getIdentityKeyPair().getPublicKey(), signedPreKeyRecord, oneTimePreKeys);
|
|
}
|
|
|
|
|
|
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(new File(attachment)));
|
|
} catch (IOException e) {
|
|
throw new AttachmentInvalidException(attachment, e);
|
|
}
|
|
}
|
|
}
|
|
return SignalServiceAttachments;
|
|
}
|
|
|
|
private static SignalServiceAttachmentStream createAttachment(File attachmentFile) throws IOException {
|
|
InputStream attachmentStream = new FileInputStream(attachmentFile);
|
|
final long attachmentSize = attachmentFile.length();
|
|
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.<byte[]>absent(), 0, 0, 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);
|
|
}
|
|
|
|
public List<GroupInfo> getGroups() {
|
|
return groupStore.getGroups();
|
|
}
|
|
|
|
@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);
|
|
}
|
|
ThreadInfo thread = threadStore.getThread(Base64.encodeBytes(groupId));
|
|
if (thread != null) {
|
|
messageBuilder.withExpiration(thread.messageExpirationTime);
|
|
}
|
|
|
|
final GroupInfo g = getGroupForSending(groupId);
|
|
|
|
// Don't send group message to ourself
|
|
final List<String> membersSend = new ArrayList<>(g.members);
|
|
membersSend.remove(this.username);
|
|
sendMessage(messageBuilder, membersSend);
|
|
}
|
|
|
|
public void sendQuitGroupMessage(byte[] groupId) throws GroupNotFoundException, IOException, EncapsulatedExceptions {
|
|
SignalServiceGroup group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT)
|
|
.withId(groupId)
|
|
.build();
|
|
|
|
SignalServiceDataMessage.Builder messageBuilder = SignalServiceDataMessage.newBuilder()
|
|
.asGroupMessage(group);
|
|
|
|
final GroupInfo g = getGroupForSending(groupId);
|
|
g.members.remove(this.username);
|
|
groupStore.updateGroup(g);
|
|
|
|
sendMessage(messageBuilder, g.members);
|
|
}
|
|
|
|
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 = getGroupForSending(groupId);
|
|
}
|
|
|
|
if (name != null) {
|
|
g.name = name;
|
|
}
|
|
|
|
if (members != null) {
|
|
Set<String> newMembers = new HashSet<>();
|
|
for (String member : members) {
|
|
try {
|
|
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);
|
|
}
|
|
}
|
|
|
|
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<String> 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<String> 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));
|
|
|
|
File aFile = getGroupAvatarFile(g.groupId);
|
|
if (aFile.exists()) {
|
|
try {
|
|
group.withAvatar(createAttachment(aFile));
|
|
} catch (IOException e) {
|
|
throw new AttachmentInvalidException(aFile.toString(), e);
|
|
}
|
|
}
|
|
|
|
return SignalServiceDataMessage.newBuilder()
|
|
.asGroupMessage(group.build());
|
|
}
|
|
|
|
private void sendGroupInfoRequest(byte[] groupId, String recipient) throws IOException, EncapsulatedExceptions {
|
|
if (groupId == null) {
|
|
return;
|
|
}
|
|
|
|
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<String> membersSend = new ArrayList<>();
|
|
membersSend.add(recipient);
|
|
sendMessage(messageBuilder, membersSend);
|
|
}
|
|
|
|
@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));
|
|
}
|
|
sendMessage(messageBuilder, recipients);
|
|
}
|
|
|
|
@Override
|
|
public void sendEndSessionMessage(List<String> recipients) throws IOException, EncapsulatedExceptions {
|
|
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();
|
|
}
|
|
|
|
@Override
|
|
public List<byte[]> getGroupIds() {
|
|
List<GroupInfo> groups = getGroups();
|
|
List<byte[]> ids = new ArrayList<byte[]>(groups.size());
|
|
for (GroupInfo group : groups) {
|
|
ids.add(group.groupId);
|
|
}
|
|
return ids;
|
|
}
|
|
|
|
@Override
|
|
public String getGroupName(byte[] groupId) {
|
|
GroupInfo group = getGroup(groupId);
|
|
if (group == null) {
|
|
return "";
|
|
} else {
|
|
return group.name;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public List<String> getGroupMembers(byte[] groupId) {
|
|
GroupInfo group = getGroup(groupId);
|
|
if (group == null) {
|
|
return new ArrayList<String>();
|
|
} else {
|
|
return new ArrayList<String>(group.members);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public byte[] updateGroup(byte[] groupId, String name, List<String> 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.<SignalServiceMessageSender.EventListener>absent());
|
|
try {
|
|
messageSender.sendMessage(message);
|
|
} catch (UntrustedIdentityException e) {
|
|
signalProtocolStore.saveIdentity(e.getE164Number(), e.getIdentityKey(), TrustLevel.UNTRUSTED);
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
private void sendMessage(SignalServiceDataMessage.Builder messageBuilder, Collection<String> recipients)
|
|
throws EncapsulatedExceptions, IOException {
|
|
Set<SignalServiceAddress> 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.<SignalServiceMessageSender.EventListener>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<UntrustedIdentityException> untrustedIdentities = new LinkedList<>();
|
|
List<UnregisteredUserException> unregisteredUsers = new LinkedList<>();
|
|
List<NetworkFailureException> 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<SignalServiceAddress> getSignalServiceAddresses(Collection<String> recipients) {
|
|
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 null;
|
|
}
|
|
}
|
|
return recipientsTS;
|
|
}
|
|
|
|
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 (org.whispersystems.libsignal.UntrustedIdentityException e) {
|
|
signalProtocolStore.saveIdentity(e.getName(), e.getUntrustedIdentity(), TrustLevel.UNTRUSTED);
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
private void handleEndSession(String source) {
|
|
signalProtocolStore.deleteAllSessions(source);
|
|
}
|
|
|
|
public interface ReceiveMessageHandler {
|
|
void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, Throwable e);
|
|
}
|
|
|
|
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, null);
|
|
|
|
try {
|
|
if (messagePipe == null) {
|
|
messagePipe = messageReceiver.createMessagePipe();
|
|
}
|
|
|
|
while (true) {
|
|
SignalServiceEnvelope envelope;
|
|
SignalServiceContent content = null;
|
|
Exception exception = null;
|
|
final long now = new Date().getTime();
|
|
try {
|
|
envelope = messagePipe.read(timeout, unit, new SignalServiceMessagePipe.MessagePipeCallback() {
|
|
@Override
|
|
public void onMessage(SignalServiceEnvelope envelope) {
|
|
// store message on disk, before acknowledging receipt to the server
|
|
try {
|
|
File cacheFile = getMessageCacheFile(envelope.getSource(), now, envelope.getTimestamp());
|
|
storeEnvelope(envelope, cacheFile);
|
|
} catch (IOException e) {
|
|
System.err.println("Failed to store encrypted message in disk cache, ignoring: " + e.getMessage());
|
|
}
|
|
}
|
|
});
|
|
} catch (TimeoutException e) {
|
|
if (returnOnTimeout)
|
|
return;
|
|
continue;
|
|
} catch (InvalidVersionException e) {
|
|
System.err.println("Ignoring error: " + e.getMessage());
|
|
continue;
|
|
}
|
|
if (!envelope.isReceipt()) {
|
|
try {
|
|
content = decryptMessage(envelope);
|
|
} catch (Exception e) {
|
|
exception = e;
|
|
}
|
|
handleMessage(envelope, content, ignoreAttachments);
|
|
}
|
|
save();
|
|
handler.handleMessage(envelope, content, exception);
|
|
if (exception == null || !(exception instanceof org.whispersystems.libsignal.UntrustedIdentityException)) {
|
|
File cacheFile = null;
|
|
try {
|
|
cacheFile = getMessageCacheFile(envelope.getSource(), now, envelope.getTimestamp());
|
|
Files.delete(cacheFile.toPath());
|
|
// Try to delete directory if empty
|
|
new File(getMessageCachePath()).delete();
|
|
} catch (IOException e) {
|
|
System.err.println("Failed to delete cached message file “" + cacheFile + "”: " + e.getMessage());
|
|
}
|
|
}
|
|
}
|
|
} finally {
|
|
if (messagePipe != null) {
|
|
messagePipe.shutdown();
|
|
messagePipe = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, boolean ignoreAttachments) {
|
|
if (content != null) {
|
|
if (content.getDataMessage().isPresent()) {
|
|
SignalServiceDataMessage message = content.getDataMessage().get();
|
|
handleSignalServiceDataMessage(message, false, envelope.getSource(), username, ignoreAttachments);
|
|
}
|
|
if (content.getSyncMessage().isPresent()) {
|
|
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));
|
|
}
|
|
}
|
|
|
|
public File getAttachmentFile(long attachmentId) {
|
|
return new File(attachmentsPath, attachmentId + "");
|
|
}
|
|
|
|
private File retrieveAttachment(SignalServiceAttachmentPointer pointer) throws IOException, InvalidMessageException {
|
|
createPrivateDirectories(attachmentsPath);
|
|
return retrieveAttachment(pointer, getAttachmentFile(pointer.getId()), true);
|
|
}
|
|
|
|
private File retrieveAttachment(SignalServiceAttachmentStream stream, File outputFile) throws IOException, InvalidMessageException {
|
|
InputStream input = stream.getInputStream();
|
|
|
|
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;
|
|
}
|
|
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 (OutputStream output = new FileOutputStream(previewFile)) {
|
|
byte[] preview = pointer.getPreview().get();
|
|
output.write(preview, 0, preview.length);
|
|
} catch (FileNotFoundException e) {
|
|
e.printStackTrace();
|
|
return null;
|
|
}
|
|
}
|
|
|
|
final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(serviceConfiguration, username, password, deviceId, signalingKey, USER_AGENT, null);
|
|
|
|
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, null);
|
|
return messageReceiver.retrieveAttachment(pointer, tmpFile, MAX_ATTACHMENT_SIZE);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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, Optional.<Integer>absent()));
|
|
}
|
|
}
|
|
|
|
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.<byte[]>absent(), false, Optional.<Integer>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<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.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<JsonIdentityKeyStore.Identity> 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<JsonIdentityKeyStore.Identity> 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();
|
|
}
|
|
}
|