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