nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/Main.java

   1 /**
   2  * Copyright (C) 2015 AsamK
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.asamk.signal;
  18
  19 import net.sourceforge.argparse4j.ArgumentParsers;
  20 import net.sourceforge.argparse4j.impl.Arguments;
  21 import net.sourceforge.argparse4j.inf.*;
  22 import org.apache.http.util.TextUtils;
  23 import org.asamk.Signal;
  24 import org.freedesktop.dbus.DBusConnection;
  25 import org.freedesktop.dbus.DBusSigHandler;
  26 import org.freedesktop.dbus.exceptions.DBusException;
  27 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  28 import org.whispersystems.libsignal.InvalidKeyException;
  29 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
  30 import org.whispersystems.signalservice.api.messages.*;
  31 import org.whispersystems.signalservice.api.messages.multidevice.DeviceInfo;
  32 import org.whispersystems.signalservice.api.messages.multidevice.ReadMessage;
  33 import org.whispersystems.signalservice.api.messages.multidevice.SentTranscriptMessage;
  34 import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
  35 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  36 import org.whispersystems.signalservice.api.push.exceptions.EncapsulatedExceptions;
  37 import org.whispersystems.signalservice.api.push.exceptions.NetworkFailureException;
  38 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
  39 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  40
  41 import java.io.File;
  42 import java.io.IOException;
  43 import java.io.InputStream;
  44 import java.io.StringWriter;
  45 import java.net.URI;
  46 import java.net.URISyntaxException;
  47 import java.nio.charset.Charset;
  48 import java.security.Security;
  49 import java.util.ArrayList;
  50 import java.util.List;
  51 import java.util.Locale;
  52 import java.util.Map;
  53 import java.util.concurrent.TimeoutException;
  54
  55 public class Main {
  56
  57     public static final String SIGNAL_BUSNAME = "org.asamk.Signal";
  58     public static final String SIGNAL_OBJECTPATH = "/org/asamk/Signal";
  59
  60     public static void main(String[] args) {
  61         // Workaround for BKS truststore
  62         Security.insertProviderAt(new org.bouncycastle.jce.provider.BouncyCastleProvider(), 1);
  63
  64         Namespace ns = parseArgs(args);
  65         if (ns == null) {
  66             System.exit(1);
  67         }
  68
  69         int res = handleCommands(ns);
  70         System.exit(res);
  71     }
  72
  73     private static int handleCommands(Namespace ns) {
  74         final String username = ns.getString("username");
  75         Manager m;
  76         Signal ts;
  77         DBusConnection dBusConn = null;
  78         try {
  79             if (ns.getBoolean("dbus") || ns.getBoolean("dbus_system")) {
  80                 try {
  81                     m = null;
  82                     int busType;
  83                     if (ns.getBoolean("dbus_system")) {
  84                         busType = DBusConnection.SYSTEM;
  85                     } else {
  86                         busType = DBusConnection.SESSION;
  87                     }
  88                     dBusConn = DBusConnection.getConnection(busType);
  89                     ts = (Signal) dBusConn.getRemoteObject(
  90                             SIGNAL_BUSNAME, SIGNAL_OBJECTPATH,
  91                             Signal.class);
  92                 } catch (DBusException e) {
  93                     e.printStackTrace();
  94                     if (dBusConn != null) {
  95                         dBusConn.disconnect();
  96                     }
  97                     return 3;
  98                 }
  99             } else {
 100                 String settingsPath = ns.getString("config");
 101                 if (TextUtils.isEmpty(settingsPath)) {
 102                     settingsPath = System.getProperty("user.home") + "/.config/signal";
 103                     if (!new File(settingsPath).exists()) {
 104                         String legacySettingsPath = System.getProperty("user.home") + "/.config/textsecure";
 105                         if (new File(legacySettingsPath).exists()) {
 106                             settingsPath = legacySettingsPath;
 107                         }
 108                     }
 109                 }
 110
 111                 m = new Manager(username, settingsPath);
 112                 ts = m;
 113                 if (m.userExists()) {
 114                     try {
 115                         m.load();
 116                     } catch (Exception e) {
 117                         System.err.println("Error loading state file \"" + m.getFileName() + "\": " + e.getMessage());
 118                         return 2;
 119                     }
 120                 }
 121             }
 122
 123             switch (ns.getString("command")) {
 124                 case "register":
 125                     if (dBusConn != null) {
 126                         System.err.println("register is not yet implemented via dbus");
 127                         return 1;
 128                     }
 129                     if (!m.userHasKeys()) {
 130                         m.createNewIdentity();
 131                     }
 132                     try {
 133                         m.register(ns.getBoolean("voice"));
 134                     } catch (IOException e) {
 135                         System.err.println("Request verify error: " + e.getMessage());
 136                         return 3;
 137                     }
 138                     break;
 139                 case "verify":
 140                     if (dBusConn != null) {
 141                         System.err.println("verify is not yet implemented via dbus");
 142                         return 1;
 143                     }
 144                     if (!m.userHasKeys()) {
 145                         System.err.println("User has no keys, first call register.");
 146                         return 1;
 147                     }
 148                     if (m.isRegistered()) {
 149                         System.err.println("User registration is already verified");
 150                         return 1;
 151                     }
 152                     try {
 153                         m.verifyAccount(ns.getString("verificationCode"));
 154                     } catch (IOException e) {
 155                         System.err.println("Verify error: " + e.getMessage());
 156                         return 3;
 157                     }
 158                     break;
 159                 case "link":
 160                     if (dBusConn != null) {
 161                         System.err.println("link is not yet implemented via dbus");
 162                         return 1;
 163                     }
 164
 165                     // When linking, username is null and we always have to create keys
 166                     m.createNewIdentity();
 167
 168                     String deviceName = ns.getString("name");
 169                     if (deviceName == null) {
 170                         deviceName = "cli";
 171                     }
 172                     try {
 173                         System.out.println(m.getDeviceLinkUri());
 174                         m.finishDeviceLink(deviceName);
 175                         System.out.println("Associated with: " + m.getUsername());
 176                     } catch (TimeoutException e) {
 177                         System.err.println("Link request timed out, please try again.");
 178                         return 3;
 179                     } catch (IOException e) {
 180                         System.err.println("Link request error: " + e.getMessage());
 181                         return 3;
 182                     } catch (InvalidKeyException e) {
 183                         e.printStackTrace();
 184                         return 2;
 185                     } catch (UserAlreadyExists e) {
 186                         System.err.println("The user " + e.getUsername() + " already exists\nDelete \"" + e.getFileName() + "\" before trying again.");
 187                         return 1;
 188                     }
 189                     break;
 190                 case "addDevice":
 191                     if (dBusConn != null) {
 192                         System.err.println("link is not yet implemented via dbus");
 193                         return 1;
 194                     }
 195                     if (!m.isRegistered()) {
 196                         System.err.println("User is not registered.");
 197                         return 1;
 198                     }
 199                     try {
 200                         m.addDeviceLink(new URI(ns.getString("uri")));
 201                     } catch (IOException e) {
 202                         e.printStackTrace();
 203                         return 3;
 204                     } catch (InvalidKeyException e) {
 205                         e.printStackTrace();
 206                         return 2;
 207                     } catch (URISyntaxException e) {
 208                         e.printStackTrace();
 209                         return 2;
 210                     }
 211                     break;
 212                 case "listDevices":
 213                     if (dBusConn != null) {
 214                         System.err.println("listDevices is not yet implemented via dbus");
 215                         return 1;
 216                     }
 217                     if (!m.isRegistered()) {
 218                         System.err.println("User is not registered.");
 219                         return 1;
 220                     }
 221                     try {
 222                         List<DeviceInfo> devices = m.getLinkedDevices();
 223                         for (DeviceInfo d : devices) {
 224                             System.out.println("Device " + d.getId() + (d.getId() == m.getDeviceId() ? " (this device)" : "") + ":");
 225                             System.out.println(" Name: " + d.getName());
 226                             System.out.println(" Created: " + d.getCreated());
 227                             System.out.println(" Last seen: " + d.getLastSeen());
 228                         }
 229                     } catch (IOException e) {
 230                         e.printStackTrace();
 231                         return 3;
 232                     }
 233                     break;
 234                 case "removeDevice":
 235                     if (dBusConn != null) {
 236                         System.err.println("removeDevice is not yet implemented via dbus");
 237                         return 1;
 238                     }
 239                     if (!m.isRegistered()) {
 240                         System.err.println("User is not registered.");
 241                         return 1;
 242                     }
 243                     try {
 244                         int deviceId = ns.getInt("deviceId");
 245                         m.removeLinkedDevices(deviceId);
 246                     } catch (IOException e) {
 247                         e.printStackTrace();
 248                         return 3;
 249                     }
 250                     break;
 251                 case "send":
 252                     if (dBusConn == null && !m.isRegistered()) {
 253                         System.err.println("User is not registered.");
 254                         return 1;
 255                     }
 256
 257                     if (ns.getBoolean("endsession")) {
 258                         if (ns.getList("recipient") == null) {
 259                             System.err.println("No recipients given");
 260                             System.err.println("Aborting sending.");
 261                             return 1;
 262                         }
 263                         try {
 264                             ts.sendEndSessionMessage(ns.<String>getList("recipient"));
 265                         } catch (IOException e) {
 266                             handleIOException(e);
 267                             return 3;
 268                         } catch (EncapsulatedExceptions e) {
 269                             handleEncapsulatedExceptions(e);
 270                             return 3;
 271                         } catch (AssertionError e) {
 272                             handleAssertionError(e);
 273                             return 1;
 274                         } catch (DBusExecutionException e) {
 275                             handleDBusExecutionException(e);
 276                             return 1;
 277                         }
 278                     } else {
 279                         String messageText = ns.getString("message");
 280                         if (messageText == null) {
 281                             try {
 282                                 messageText = readAll(System.in);
 283                             } catch (IOException e) {
 284                                 System.err.println("Failed to read message from stdin: " + e.getMessage());
 285                                 System.err.println("Aborting sending.");
 286                                 return 1;
 287                             }
 288                         }
 289
 290                         try {
 291                             List<String> attachments = ns.getList("attachment");
 292                             if (attachments == null) {
 293                                 attachments = new ArrayList<>();
 294                             }
 295                             if (ns.getString("group") != null) {
 296                                 byte[] groupId = decodeGroupId(ns.getString("group"));
 297                                 ts.sendGroupMessage(messageText, attachments, groupId);
 298                             } else {
 299                                 ts.sendMessage(messageText, attachments, ns.<String>getList("recipient"));
 300                             }
 301                         } catch (IOException e) {
 302                             handleIOException(e);
 303                             return 3;
 304                         } catch (EncapsulatedExceptions e) {
 305                             handleEncapsulatedExceptions(e);
 306                             return 3;
 307                         } catch (AssertionError e) {
 308                             handleAssertionError(e);
 309                             return 1;
 310                         } catch (GroupNotFoundException e) {
 311                             handleGroupNotFoundException(e);
 312                             return 1;
 313                         } catch (AttachmentInvalidException e) {
 314                             System.err.println("Failed to add attachment: " + e.getMessage());
 315                             System.err.println("Aborting sending.");
 316                             return 1;
 317                         } catch (DBusExecutionException e) {
 318                             handleDBusExecutionException(e);
 319                             return 1;
 320                         }
 321                     }
 322
 323                     break;
 324                 case "receive":
 325                     if (dBusConn != null) {
 326                         try {
 327                             dBusConn.addSigHandler(Signal.MessageReceived.class, new DBusSigHandler<Signal.MessageReceived>() {
 328                                 @Override
 329                                 public void handle(Signal.MessageReceived s) {
 330                                     System.out.print(String.format("Envelope from: %s\nTimestamp: %d\nBody: %s\n",
 331                                             s.getSender(), s.getTimestamp(), s.getMessage()));
 332                                     if (s.getGroupId().length > 0) {
 333                                         System.out.println("Group info:");
 334                                         System.out.println("  Id: " + Base64.encodeBytes(s.getGroupId()));
 335                                     }
 336                                     if (s.getAttachments().size() > 0) {
 337                                         System.out.println("Attachments: ");
 338                                         for (String attachment : s.getAttachments()) {
 339                                             System.out.println("-  Stored plaintext in: " + attachment);
 340                                         }
 341                                     }
 342                                     System.out.println();
 343                                 }
 344                             });
 345                         } catch (DBusException e) {
 346                             e.printStackTrace();
 347                             return 1;
 348                         }
 349                         while (true) {
 350                             try {
 351                                 Thread.sleep(10000);
 352                             } catch (InterruptedException e) {
 353                                 return 0;
 354                             }
 355                         }
 356                     }
 357                     if (!m.isRegistered()) {
 358                         System.err.println("User is not registered.");
 359                         return 1;
 360                     }
 361                     int timeout = 5;
 362                     if (ns.getInt("timeout") != null) {
 363                         timeout = ns.getInt("timeout");
 364                     }
 365                     boolean returnOnTimeout = true;
 366                     if (timeout < 0) {
 367                         returnOnTimeout = false;
 368                         timeout = 3600;
 369                     }
 370                     try {
 371                         m.receiveMessages(timeout, returnOnTimeout, new ReceiveMessageHandler(m));
 372                     } catch (IOException e) {
 373                         System.err.println("Error while receiving messages: " + e.getMessage());
 374                         return 3;
 375                     } catch (AssertionError e) {
 376                         handleAssertionError(e);
 377                         return 1;
 378                     }
 379                     break;
 380                 case "quitGroup":
 381                     if (dBusConn != null) {
 382                         System.err.println("quitGroup is not yet implemented via dbus");
 383                         return 1;
 384                     }
 385                     if (!m.isRegistered()) {
 386                         System.err.println("User is not registered.");
 387                         return 1;
 388                     }
 389
 390                     try {
 391                         m.sendQuitGroupMessage(decodeGroupId(ns.getString("group")));
 392                     } catch (IOException e) {
 393                         handleIOException(e);
 394                         return 3;
 395                     } catch (EncapsulatedExceptions e) {
 396                         handleEncapsulatedExceptions(e);
 397                         return 3;
 398                     } catch (AssertionError e) {
 399                         handleAssertionError(e);
 400                         return 1;
 401                     } catch (GroupNotFoundException e) {
 402                         handleGroupNotFoundException(e);
 403                         return 1;
 404                     }
 405
 406                     break;
 407                 case "updateGroup":
 408                     if (dBusConn != null) {
 409                         System.err.println("updateGroup is not yet implemented via dbus");
 410                         return 1;
 411                     }
 412                     if (!m.isRegistered()) {
 413                         System.err.println("User is not registered.");
 414                         return 1;
 415                     }
 416
 417                     try {
 418                         byte[] groupId = null;
 419                         if (ns.getString("group") != null) {
 420                             groupId = decodeGroupId(ns.getString("group"));
 421                         }
 422                         byte[] newGroupId = m.sendUpdateGroupMessage(groupId, ns.getString("name"), ns.<String>getList("member"), ns.getString("avatar"));
 423                         if (groupId == null) {
 424                             System.out.println("Creating new group \"" + Base64.encodeBytes(newGroupId) + "\" …");
 425                         }
 426                     } catch (IOException e) {
 427                         handleIOException(e);
 428                         return 3;
 429                     } catch (AttachmentInvalidException e) {
 430                         System.err.println("Failed to add avatar attachment for group\": " + e.getMessage());
 431                         System.err.println("Aborting sending.");
 432                         return 1;
 433                     } catch (GroupNotFoundException e) {
 434                         handleGroupNotFoundException(e);
 435                         return 1;
 436                     } catch (EncapsulatedExceptions e) {
 437                         handleEncapsulatedExceptions(e);
 438                         return 3;
 439                     }
 440
 441                     break;
 442                 case "listIdentities":
 443                     if (dBusConn != null) {
 444                         System.err.println("listIdentities is not yet implemented via dbus");
 445                         return 1;
 446                     }
 447                     if (!m.isRegistered()) {
 448                         System.err.println("User is not registered.");
 449                         return 1;
 450                     }
 451                     if (ns.get("number") == null) {
 452                         for (Map.Entry<String, List<JsonIdentityKeyStore.Identity>> keys : m.getIdentities().entrySet()) {
 453                             for (JsonIdentityKeyStore.Identity id : keys.getValue()) {
 454                                 System.out.println(String.format("%s: %s Added: %s Fingerprint: %s", keys.getKey(), id.trustLevel, id.added, Hex.toStringCondensed(id.getFingerprint())));
 455                             }
 456                         }
 457                     } else {
 458                         String number = ns.getString("number");
 459                         for (JsonIdentityKeyStore.Identity id : m.getIdentities(number)) {
 460                             System.out.println(String.format("%s: %s Added: %s Fingerprint: %s", number, id.trustLevel, id.added, Hex.toStringCondensed(id.getFingerprint())));
 461                         }
 462                     }
 463                     break;
 464                 case "trust":
 465                     if (dBusConn != null) {
 466                         System.err.println("trust is not yet implemented via dbus");
 467                         return 1;
 468                     }
 469                     if (!m.isRegistered()) {
 470                         System.err.println("User is not registered.");
 471                         return 1;
 472                     }
 473                     String number = ns.getString("number");
 474                     if (ns.getBoolean("trust_all_known_keys")) {
 475                         boolean res = m.trustIdentityAllKeys(number);
 476                         if (!res) {
 477                             System.err.println("Failed to set the trust for this number, make sure the number is correct.");
 478                             return 1;
 479                         }
 480                     } else {
 481                         String fingerprint = ns.getString("verified_fingerprint");
 482                         if (fingerprint != null) {
 483                             byte[] fingerprintBytes;
 484                             try {
 485                                 fingerprintBytes = Hex.toByteArray(fingerprint.replaceAll(" ", "").toLowerCase(Locale.ROOT));
 486                             } catch (Exception e) {
 487                                 System.err.println("Failed to parse the fingerprint, make sure the fingerprint is a correctly encoded hex string without additional characters.");
 488                                 return 1;
 489                             }
 490                             boolean res = m.trustIdentityVerified(number, fingerprintBytes);
 491                             if (!res) {
 492                                 System.err.println("Failed to set the trust for the fingerprint of this number, make sure the number and the fingerprint are correct.");
 493                                 return 1;
 494                             }
 495                         } else {
 496                             System.err.println("You need to specify the fingerprint you have verified with -v FINGERPRINT");
 497                             return 1;
 498                         }
 499                     }
 500                     break;
 501                 case "daemon":
 502                     if (dBusConn != null) {
 503                         System.err.println("Stop it.");
 504                         return 1;
 505                     }
 506                     if (!m.isRegistered()) {
 507                         System.err.println("User is not registered.");
 508                         return 1;
 509                     }
 510                     DBusConnection conn = null;
 511                     try {
 512                         try {
 513                             int busType;
 514                             if (ns.getBoolean("system")) {
 515                                 busType = DBusConnection.SYSTEM;
 516                             } else {
 517                                 busType = DBusConnection.SESSION;
 518                             }
 519                             conn = DBusConnection.getConnection(busType);
 520                             conn.exportObject(SIGNAL_OBJECTPATH, m);
 521                             conn.requestBusName(SIGNAL_BUSNAME);
 522                         } catch (DBusException e) {
 523                             e.printStackTrace();
 524                             return 2;
 525                         }
 526                         try {
 527                             m.receiveMessages(3600, false, new DbusReceiveMessageHandler(m, conn));
 528                         } catch (IOException e) {
 529                             System.err.println("Error while receiving messages: " + e.getMessage());
 530                             return 3;
 531                         } catch (AssertionError e) {
 532                             handleAssertionError(e);
 533                             return 1;
 534                         }
 535                     } finally {
 536                         if (conn != null) {
 537                             conn.disconnect();
 538                         }
 539                     }
 540
 541                     break;
 542             }
 543             return 0;
 544         } finally {
 545             if (dBusConn != null) {
 546                 dBusConn.disconnect();
 547             }
 548         }
 549     }
 550
 551     private static void handleGroupNotFoundException(GroupNotFoundException e) {
 552         System.err.println("Failed to send to group: " + e.getMessage());
 553         System.err.println("Aborting sending.");
 554     }
 555
 556     private static void handleDBusExecutionException(DBusExecutionException e) {
 557         System.err.println("Cannot connect to dbus: " + e.getMessage());
 558         System.err.println("Aborting.");
 559     }
 560
 561     private static byte[] decodeGroupId(String groupId) {
 562         try {
 563             return Base64.decode(groupId);
 564         } catch (IOException e) {
 565             System.err.println("Failed to decode groupId (must be base64) \"" + groupId + "\": " + e.getMessage());
 566             System.err.println("Aborting sending.");
 567             System.exit(1);
 568             return null;
 569         }
 570     }
 571
 572     private static Namespace parseArgs(String[] args) {
 573         ArgumentParser parser = ArgumentParsers.newArgumentParser("signal-cli")
 574                 .defaultHelp(true)
 575                 .description("Commandline interface for Signal.")
 576                 .version(Manager.PROJECT_NAME + " " + Manager.PROJECT_VERSION);
 577
 578         parser.addArgument("-v", "--version")
 579                 .help("Show package version.")
 580                 .action(Arguments.version());
 581         parser.addArgument("--config")
 582                 .help("Set the path, where to store the config (Default: $HOME/.config/signal).");
 583
 584         MutuallyExclusiveGroup mut = parser.addMutuallyExclusiveGroup();
 585         mut.addArgument("-u", "--username")
 586                 .help("Specify your phone number, that will be used for verification.");
 587         mut.addArgument("--dbus")
 588                 .help("Make request via user dbus.")
 589                 .action(Arguments.storeTrue());
 590         mut.addArgument("--dbus-system")
 591                 .help("Make request via system dbus.")
 592                 .action(Arguments.storeTrue());
 593
 594         Subparsers subparsers = parser.addSubparsers()
 595                 .title("subcommands")
 596                 .dest("command")
 597                 .description("valid subcommands")
 598                 .help("additional help");
 599
 600         Subparser parserLink = subparsers.addParser("link");
 601         parserLink.addArgument("-n", "--name")
 602                 .help("Specify a name to describe this new device.");
 603
 604         Subparser parserAddDevice = subparsers.addParser("addDevice");
 605         parserAddDevice.addArgument("--uri")
 606                 .required(true)
 607                 .help("Specify the uri contained in the QR code shown by the new device.");
 608
 609         Subparser parserDevices = subparsers.addParser("listDevices");
 610
 611         Subparser parserRemoveDevice = subparsers.addParser("removeDevice");
 612         parserRemoveDevice.addArgument("-d", "--deviceId")
 613                 .type(int.class)
 614                 .required(true)
 615                 .help("Specify the device you want to remove. Use listDevices to see the deviceIds.");
 616
 617         Subparser parserRegister = subparsers.addParser("register");
 618         parserRegister.addArgument("-v", "--voice")
 619                 .help("The verification should be done over voice, not sms.")
 620                 .action(Arguments.storeTrue());
 621
 622         Subparser parserVerify = subparsers.addParser("verify");
 623         parserVerify.addArgument("verificationCode")
 624                 .help("The verification code you received via sms or voice call.");
 625
 626         Subparser parserSend = subparsers.addParser("send");
 627         parserSend.addArgument("-g", "--group")
 628                 .help("Specify the recipient group ID.");
 629         parserSend.addArgument("recipient")
 630                 .help("Specify the recipients' phone number.")
 631                 .nargs("*");
 632         parserSend.addArgument("-m", "--message")
 633                 .help("Specify the message, if missing standard input is used.");
 634         parserSend.addArgument("-a", "--attachment")
 635                 .nargs("*")
 636                 .help("Add file as attachment");
 637         parserSend.addArgument("-e", "--endsession")
 638                 .help("Clear session state and send end session message.")
 639                 .action(Arguments.storeTrue());
 640
 641         Subparser parserLeaveGroup = subparsers.addParser("quitGroup");
 642         parserLeaveGroup.addArgument("-g", "--group")
 643                 .required(true)
 644                 .help("Specify the recipient group ID.");
 645
 646         Subparser parserUpdateGroup = subparsers.addParser("updateGroup");
 647         parserUpdateGroup.addArgument("-g", "--group")
 648                 .help("Specify the recipient group ID.");
 649         parserUpdateGroup.addArgument("-n", "--name")
 650                 .help("Specify the new group name.");
 651         parserUpdateGroup.addArgument("-a", "--avatar")
 652                 .help("Specify a new group avatar image file");
 653         parserUpdateGroup.addArgument("-m", "--member")
 654                 .nargs("*")
 655                 .help("Specify one or more members to add to the group");
 656
 657         Subparser parserListIdentities = subparsers.addParser("listIdentities");
 658         parserListIdentities.addArgument("-n", "--number")
 659                 .help("Only show identity keys for the given phone number.");
 660
 661         Subparser parserTrust = subparsers.addParser("trust");
 662         parserTrust.addArgument("number")
 663                 .help("Specify the phone number, for which to set the trust.")
 664                 .required(true);
 665         MutuallyExclusiveGroup mutTrust = parserTrust.addMutuallyExclusiveGroup();
 666         mutTrust.addArgument("-a", "--trust-all-known-keys")
 667                 .help("Trust all known keys of this user, only use this for testing.")
 668                 .action(Arguments.storeTrue());
 669         mutTrust.addArgument("-v", "--verified-fingerprint")
 670                 .help("Specify the fingerprint of the key, only use this option if you have verified the fingerprint.");
 671
 672         Subparser parserReceive = subparsers.addParser("receive");
 673         parserReceive.addArgument("-t", "--timeout")
 674                 .type(int.class)
 675                 .help("Number of seconds to wait for new messages (negative values disable timeout)");
 676
 677         Subparser parserDaemon = subparsers.addParser("daemon");
 678         parserDaemon.addArgument("--system")
 679                 .action(Arguments.storeTrue())
 680                 .help("Use DBus system bus instead of user bus.");
 681
 682         try {
 683             Namespace ns = parser.parseArgs(args);
 684             if ("link".equals(ns.getString("command"))) {
 685                 if (ns.getString("username") != null) {
 686                     parser.printUsage();
 687                     System.err.println("You cannot specify a username (phone number) when linking");
 688                     System.exit(2);
 689                 }
 690             } else if (!ns.getBoolean("dbus") && !ns.getBoolean("dbus_system")) {
 691                 if (ns.getString("username") == null) {
 692                     parser.printUsage();
 693                     System.err.println("You need to specify a username (phone number)");
 694                     System.exit(2);
 695                 }
 696                 if (!PhoneNumberFormatter.isValidNumber(ns.getString("username"))) {
 697                     System.err.println("Invalid username (phone number), make sure you include the country code.");
 698                     System.exit(2);
 699                 }
 700             }
 701             if (ns.getList("recipient") != null && !ns.getList("recipient").isEmpty() && ns.getString("group") != null) {
 702                 System.err.println("You cannot specify recipients by phone number and groups a the same time");
 703                 System.exit(2);
 704             }
 705             return ns;
 706         } catch (ArgumentParserException e) {
 707             parser.handleError(e);
 708             return null;
 709         }
 710     }
 711
 712     private static void handleAssertionError(AssertionError e) {
 713         System.err.println("Failed to send/receive message (Assertion): " + e.getMessage());
 714         e.printStackTrace();
 715         System.err.println("If you use an Oracle JRE please check if you have unlimited strength crypto enabled, see README");
 716     }
 717
 718     private static void handleEncapsulatedExceptions(EncapsulatedExceptions e) {
 719         System.err.println("Failed to send (some) messages:");
 720         for (NetworkFailureException n : e.getNetworkExceptions()) {
 721             System.err.println("Network failure for \"" + n.getE164number() + "\": " + n.getMessage());
 722         }
 723         for (UnregisteredUserException n : e.getUnregisteredUserExceptions()) {
 724             System.err.println("Unregistered user \"" + n.getE164Number() + "\": " + n.getMessage());
 725         }
 726         for (UntrustedIdentityException n : e.getUntrustedIdentityExceptions()) {
 727             System.err.println("Untrusted Identity for \"" + n.getE164Number() + "\": " + n.getMessage());
 728         }
 729     }
 730
 731     private static void handleIOException(IOException e) {
 732         System.err.println("Failed to send message: " + e.getMessage());
 733     }
 734
 735     private static String readAll(InputStream in) throws IOException {
 736         StringWriter output = new StringWriter();
 737         byte[] buffer = new byte[4096];
 738         long count = 0;
 739         int n;
 740         while (-1 != (n = System.in.read(buffer))) {
 741             output.write(new String(buffer, 0, n, Charset.defaultCharset()));
 742             count += n;
 743         }
 744         return output.toString();
 745     }
 746
 747     private static class ReceiveMessageHandler implements Manager.ReceiveMessageHandler {
 748         final Manager m;
 749
 750         public ReceiveMessageHandler(Manager m) {
 751             this.m = m;
 752         }
 753
 754         @Override
 755         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content) {
 756             SignalServiceAddress source = envelope.getSourceAddress();
 757             ContactInfo sourceContact = m.getContact(source.getNumber());
 758             System.out.println(String.format("Envelope from: %s (device: %d)", (sourceContact == null ? "" : "“" + sourceContact.name + "” ") + source.getNumber(), envelope.getSourceDevice()));
 759             if (source.getRelay().isPresent()) {
 760                 System.out.println("Relayed by: " + source.getRelay().get());
 761             }
 762             System.out.println("Timestamp: " + envelope.getTimestamp());
 763
 764             if (envelope.isReceipt()) {
 765                 System.out.println("Got receipt.");
 766             } else if (envelope.isSignalMessage() | envelope.isPreKeySignalMessage()) {
 767                 if (content == null) {
 768                     System.out.println("Failed to decrypt message.");
 769                 } else {
 770                     if (content.getDataMessage().isPresent()) {
 771                         SignalServiceDataMessage message = content.getDataMessage().get();
 772                         handleSignalServiceDataMessage(message);
 773                     }
 774                     if (content.getSyncMessage().isPresent()) {
 775                         System.out.println("Received a sync message");
 776                         SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
 777
 778                         if (syncMessage.getContacts().isPresent()) {
 779                             System.out.println("Received sync contacts");
 780                             printAttachment(syncMessage.getContacts().get());
 781                         }
 782                         if (syncMessage.getGroups().isPresent()) {
 783                             System.out.println("Received sync groups");
 784                             printAttachment(syncMessage.getGroups().get());
 785                         }
 786                         if (syncMessage.getRead().isPresent()) {
 787                             System.out.println("Received sync read messages list");
 788                             for (ReadMessage rm : syncMessage.getRead().get()) {
 789                                 ContactInfo fromContact = m.getContact(rm.getSender());
 790                                 System.out.println("From: " + (fromContact == null ? "" : "“" + fromContact.name + "” ") + rm.getSender() + " Message timestamp: " + rm.getTimestamp());
 791                             }
 792                         }
 793                         if (syncMessage.getRequest().isPresent()) {
 794                             System.out.println("Received sync request");
 795                             if (syncMessage.getRequest().get().isContactsRequest()) {
 796                                 System.out.println(" - contacts request");
 797                             }
 798                             if (syncMessage.getRequest().get().isGroupsRequest()) {
 799                                 System.out.println(" - groups request");
 800                             }
 801                         }
 802                         if (syncMessage.getSent().isPresent()) {
 803                             System.out.println("Received sync sent message");
 804                             final SentTranscriptMessage sentTranscriptMessage = syncMessage.getSent().get();
 805                             String to;
 806                             if (sentTranscriptMessage.getDestination().isPresent()) {
 807                                 String dest = sentTranscriptMessage.getDestination().get();
 808                                 ContactInfo destContact = m.getContact(dest);
 809                                 to = (destContact == null ? "" : "“" + destContact.name + "” ") + dest;
 810                             } else {
 811                                 to = "Unknown";
 812                             }
 813                             System.out.println("To: " + to + " , Message timestamp: " + sentTranscriptMessage.getTimestamp());
 814                             SignalServiceDataMessage message = sentTranscriptMessage.getMessage();
 815                             handleSignalServiceDataMessage(message);
 816                         }
 817                     }
 818                 }
 819             } else {
 820                 System.out.println("Unknown message received.");
 821             }
 822             System.out.println();
 823         }
 824
 825         private void handleSignalServiceDataMessage(SignalServiceDataMessage message) {
 826             System.out.println("Message timestamp: " + message.getTimestamp());
 827
 828             if (message.getBody().isPresent()) {
 829                 System.out.println("Body: " + message.getBody().get());
 830             }
 831             if (message.getGroupInfo().isPresent()) {
 832                 SignalServiceGroup groupInfo = message.getGroupInfo().get();
 833                 System.out.println("Group info:");
 834                 System.out.println("  Id: " + Base64.encodeBytes(groupInfo.getGroupId()));
 835                 if (groupInfo.getType() == SignalServiceGroup.Type.UPDATE && groupInfo.getName().isPresent()) {
 836                     System.out.println("  Name: " + groupInfo.getName().get());
 837                 } else {
 838                     GroupInfo group = m.getGroup(groupInfo.getGroupId());
 839                     if (group != null) {
 840                         System.out.println("  Name: " + group.name);
 841                     } else {
 842                         System.out.println("  Name: <Unknown group>");
 843                     }
 844                 }
 845                 System.out.println("  Type: " + groupInfo.getType());
 846                 if (groupInfo.getMembers().isPresent()) {
 847                     for (String member : groupInfo.getMembers().get()) {
 848                         System.out.println("  Member: " + member);
 849                     }
 850                 }
 851                 if (groupInfo.getAvatar().isPresent()) {
 852                     System.out.println("  Avatar:");
 853                     printAttachment(groupInfo.getAvatar().get());
 854                 }
 855             }
 856             if (message.isEndSession()) {
 857                 System.out.println("Is end session");
 858             }
 859
 860             if (message.getAttachments().isPresent()) {
 861                 System.out.println("Attachments: ");
 862                 for (SignalServiceAttachment attachment : message.getAttachments().get()) {
 863                     printAttachment(attachment);
 864                 }
 865             }
 866         }
 867
 868         private void printAttachment(SignalServiceAttachment attachment) {
 869             System.out.println("- " + attachment.getContentType() + " (" + (attachment.isPointer() ? "Pointer" : "") + (attachment.isStream() ? "Stream" : "") + ")");
 870             if (attachment.isPointer()) {
 871                 final SignalServiceAttachmentPointer pointer = attachment.asPointer();
 872                 System.out.println("  Id: " + pointer.getId() + " Key length: " + pointer.getKey().length + (pointer.getRelay().isPresent() ? " Relay: " + pointer.getRelay().get() : ""));
 873                 System.out.println("  Size: " + (pointer.getSize().isPresent() ? pointer.getSize().get() + " bytes" : "<unavailable>") + (pointer.getPreview().isPresent() ? " (Preview is available: " + pointer.getPreview().get().length + " bytes)" : ""));
 874                 File file = m.getAttachmentFile(pointer.getId());
 875                 if (file.exists()) {
 876                     System.out.println("  Stored plaintext in: " + file);
 877                 }
 878             }
 879         }
 880     }
 881
 882     private static class DbusReceiveMessageHandler extends ReceiveMessageHandler {
 883         final DBusConnection conn;
 884
 885         public DbusReceiveMessageHandler(Manager m, DBusConnection conn) {
 886             super(m);
 887             this.conn = conn;
 888         }
 889
 890         @Override
 891         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content) {
 892             super.handleMessage(envelope, content);
 893
 894             if (!envelope.isReceipt() && content != null && content.getDataMessage().isPresent()) {
 895                 SignalServiceDataMessage message = content.getDataMessage().get();
 896
 897                 if (!message.isEndSession() &&
 898                         !(message.getGroupInfo().isPresent() &&
 899                                 message.getGroupInfo().get().getType() != SignalServiceGroup.Type.DELIVER)) {
 900                     List<String> attachments = new ArrayList<>();
 901                     if (message.getAttachments().isPresent()) {
 902                         for (SignalServiceAttachment attachment : message.getAttachments().get()) {
 903                             if (attachment.isPointer()) {
 904                                 attachments.add(m.getAttachmentFile(attachment.asPointer().getId()).getAbsolutePath());
 905                             }
 906                         }
 907                     }
 908
 909                     try {
 910                         conn.sendSignal(new Signal.MessageReceived(
 911                                 SIGNAL_OBJECTPATH,
 912                                 message.getTimestamp(),
 913                                 envelope.getSource(),
 914                                 message.getGroupInfo().isPresent() ? message.getGroupInfo().get().getGroupId() : new byte[0],
 915                                 message.getBody().isPresent() ? message.getBody().get() : "",
 916                                 attachments));
 917                     } catch (DBusException e) {
 918                         e.printStackTrace();
 919                     }
 920                 }
 921             }
 922         }
 923
 924     }
 925 }