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.*;
  32 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  33 import org.whispersystems.signalservice.api.push.exceptions.EncapsulatedExceptions;
  34 import org.whispersystems.signalservice.api.push.exceptions.NetworkFailureException;
  35 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
  36 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  37
  38 import java.io.File;
  39 import java.io.IOException;
  40 import java.io.InputStream;
  41 import java.io.StringWriter;
  42 import java.net.URI;
  43 import java.net.URISyntaxException;
  44 import java.nio.charset.Charset;
  45 import java.security.Security;
  46 import java.text.DateFormat;
  47 import java.text.SimpleDateFormat;
  48 import java.util.*;
  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     private static final TimeZone tzUTC = TimeZone.getTimeZone("UTC");
  57
  58     public static void main(String[] args) {
  59         // Workaround for BKS truststore
  60         Security.insertProviderAt(new org.bouncycastle.jce.provider.BouncyCastleProvider(), 1);
  61
  62         Namespace ns = parseArgs(args);
  63         if (ns == null) {
  64             System.exit(1);
  65         }
  66
  67         int res = handleCommands(ns);
  68         System.exit(res);
  69     }
  70
  71     private static int handleCommands(Namespace ns) {
  72         final String username = ns.getString("username");
  73         Manager m;
  74         Signal ts;
  75         DBusConnection dBusConn = null;
  76         try {
  77             if (ns.getBoolean("dbus") || ns.getBoolean("dbus_system")) {
  78                 try {
  79                     m = null;
  80                     int busType;
  81                     if (ns.getBoolean("dbus_system")) {
  82                         busType = DBusConnection.SYSTEM;
  83                     } else {
  84                         busType = DBusConnection.SESSION;
  85                     }
  86                     dBusConn = DBusConnection.getConnection(busType);
  87                     ts = (Signal) dBusConn.getRemoteObject(
  88                             SIGNAL_BUSNAME, SIGNAL_OBJECTPATH,
  89                             Signal.class);
  90                 } catch (DBusException e) {
  91                     e.printStackTrace();
  92                     if (dBusConn != null) {
  93                         dBusConn.disconnect();
  94                     }
  95                     return 3;
  96                 }
  97             } else {
  98                 String settingsPath = ns.getString("config");
  99                 if (TextUtils.isEmpty(settingsPath)) {
 100                     settingsPath = System.getProperty("user.home") + "/.config/signal";
 101                     if (!new File(settingsPath).exists()) {
 102                         String legacySettingsPath = System.getProperty("user.home") + "/.config/textsecure";
 103                         if (new File(legacySettingsPath).exists()) {
 104                             settingsPath = legacySettingsPath;
 105                         }
 106                     }
 107                 }
 108
 109                 m = new Manager(username, settingsPath);
 110                 ts = m;
 111                 if (m.userExists()) {
 112                     try {
 113                         m.load();
 114                     } catch (Exception e) {
 115                         System.err.println("Error loading state file \"" + m.getFileName() + "\": " + e.getMessage());
 116                         return 2;
 117                     }
 118                 }
 119             }
 120
 121             switch (ns.getString("command")) {
 122                 case "register":
 123                     if (dBusConn != null) {
 124                         System.err.println("register is not yet implemented via dbus");
 125                         return 1;
 126                     }
 127                     if (!m.userHasKeys()) {
 128                         m.createNewIdentity();
 129                     }
 130                     try {
 131                         m.register(ns.getBoolean("voice"));
 132                     } catch (IOException e) {
 133                         System.err.println("Request verify error: " + e.getMessage());
 134                         return 3;
 135                     }
 136                     break;
 137                 case "verify":
 138                     if (dBusConn != null) {
 139                         System.err.println("verify is not yet implemented via dbus");
 140                         return 1;
 141                     }
 142                     if (!m.userHasKeys()) {
 143                         System.err.println("User has no keys, first call register.");
 144                         return 1;
 145                     }
 146                     if (m.isRegistered()) {
 147                         System.err.println("User registration is already verified");
 148                         return 1;
 149                     }
 150                     try {
 151                         m.verifyAccount(ns.getString("verificationCode"));
 152                     } catch (IOException e) {
 153                         System.err.println("Verify error: " + e.getMessage());
 154                         return 3;
 155                     }
 156                     break;
 157                 case "link":
 158                     if (dBusConn != null) {
 159                         System.err.println("link is not yet implemented via dbus");
 160                         return 1;
 161                     }
 162
 163                     // When linking, username is null and we always have to create keys
 164                     m.createNewIdentity();
 165
 166                     String deviceName = ns.getString("name");
 167                     if (deviceName == null) {
 168                         deviceName = "cli";
 169                     }
 170                     try {
 171                         System.out.println(m.getDeviceLinkUri());
 172                         m.finishDeviceLink(deviceName);
 173                         System.out.println("Associated with: " + m.getUsername());
 174                     } catch (TimeoutException e) {
 175                         System.err.println("Link request timed out, please try again.");
 176                         return 3;
 177                     } catch (IOException e) {
 178                         System.err.println("Link request error: " + e.getMessage());
 179                         return 3;
 180                     } catch (InvalidKeyException e) {
 181                         e.printStackTrace();
 182                         return 2;
 183                     } catch (UserAlreadyExists e) {
 184                         System.err.println("The user " + e.getUsername() + " already exists\nDelete \"" + e.getFileName() + "\" before trying again.");
 185                         return 1;
 186                     }
 187                     break;
 188                 case "addDevice":
 189                     if (dBusConn != null) {
 190                         System.err.println("link is not yet implemented via dbus");
 191                         return 1;
 192                     }
 193                     if (!m.isRegistered()) {
 194                         System.err.println("User is not registered.");
 195                         return 1;
 196                     }
 197                     try {
 198                         m.addDeviceLink(new URI(ns.getString("uri")));
 199                     } catch (IOException e) {
 200                         e.printStackTrace();
 201                         return 3;
 202                     } catch (InvalidKeyException e) {
 203                         e.printStackTrace();
 204                         return 2;
 205                     } catch (URISyntaxException e) {
 206                         e.printStackTrace();
 207                         return 2;
 208                     }
 209                     break;
 210                 case "listDevices":
 211                     if (dBusConn != null) {
 212                         System.err.println("listDevices is not yet implemented via dbus");
 213                         return 1;
 214                     }
 215                     if (!m.isRegistered()) {
 216                         System.err.println("User is not registered.");
 217                         return 1;
 218                     }
 219                     try {
 220                         List<DeviceInfo> devices = m.getLinkedDevices();
 221                         for (DeviceInfo d : devices) {
 222                             System.out.println("Device " + d.getId() + (d.getId() == m.getDeviceId() ? " (this device)" : "") + ":");
 223                             System.out.println(" Name: " + d.getName());
 224                             System.out.println(" Created: " + d.getCreated());
 225                             System.out.println(" Last seen: " + d.getLastSeen());
 226                         }
 227                     } catch (IOException e) {
 228                         e.printStackTrace();
 229                         return 3;
 230                     }
 231                     break;
 232                 case "removeDevice":
 233                     if (dBusConn != null) {
 234                         System.err.println("removeDevice is not yet implemented via dbus");
 235                         return 1;
 236                     }
 237                     if (!m.isRegistered()) {
 238                         System.err.println("User is not registered.");
 239                         return 1;
 240                     }
 241                     try {
 242                         int deviceId = ns.getInt("deviceId");
 243                         m.removeLinkedDevices(deviceId);
 244                     } catch (IOException e) {
 245                         e.printStackTrace();
 246                         return 3;
 247                     }
 248                     break;
 249                 case "send":
 250                     if (dBusConn == null && !m.isRegistered()) {
 251                         System.err.println("User is not registered.");
 252                         return 1;
 253                     }
 254
 255                     if (ns.getBoolean("endsession")) {
 256                         if (ns.getList("recipient") == null) {
 257                             System.err.println("No recipients given");
 258                             System.err.println("Aborting sending.");
 259                             return 1;
 260                         }
 261                         try {
 262                             ts.sendEndSessionMessage(ns.<String>getList("recipient"));
 263                         } catch (IOException e) {
 264                             handleIOException(e);
 265                             return 3;
 266                         } catch (EncapsulatedExceptions e) {
 267                             handleEncapsulatedExceptions(e);
 268                             return 3;
 269                         } catch (AssertionError e) {
 270                             handleAssertionError(e);
 271                             return 1;
 272                         } catch (DBusExecutionException e) {
 273                             handleDBusExecutionException(e);
 274                             return 1;
 275                         }
 276                     } else {
 277                         String messageText = ns.getString("message");
 278                         if (messageText == null) {
 279                             try {
 280                                 messageText = readAll(System.in);
 281                             } catch (IOException e) {
 282                                 System.err.println("Failed to read message from stdin: " + e.getMessage());
 283                                 System.err.println("Aborting sending.");
 284                                 return 1;
 285                             }
 286                         }
 287
 288                         try {
 289                             List<String> attachments = ns.getList("attachment");
 290                             if (attachments == null) {
 291                                 attachments = new ArrayList<>();
 292                             }
 293                             if (ns.getString("group") != null) {
 294                                 byte[] groupId = decodeGroupId(ns.getString("group"));
 295                                 ts.sendGroupMessage(messageText, attachments, groupId);
 296                             } else {
 297                                 ts.sendMessage(messageText, attachments, ns.<String>getList("recipient"));
 298                             }
 299                         } catch (IOException e) {
 300                             handleIOException(e);
 301                             return 3;
 302                         } catch (EncapsulatedExceptions e) {
 303                             handleEncapsulatedExceptions(e);
 304                             return 3;
 305                         } catch (AssertionError e) {
 306                             handleAssertionError(e);
 307                             return 1;
 308                         } catch (GroupNotFoundException e) {
 309                             handleGroupNotFoundException(e);
 310                             return 1;
 311                         } catch (NotAGroupMemberException e) {
 312                             handleNotAGroupMemberException(e);
 313                             return 1;
 314                         } catch (AttachmentInvalidException e) {
 315                             System.err.println("Failed to add attachment: " + e.getMessage());
 316                             System.err.println("Aborting sending.");
 317                             return 1;
 318                         } catch (DBusExecutionException e) {
 319                             handleDBusExecutionException(e);
 320                             return 1;
 321                         }
 322                     }
 323
 324                     break;
 325                 case "receive":
 326                     if (dBusConn != null) {
 327                         try {
 328                             dBusConn.addSigHandler(Signal.MessageReceived.class, new DBusSigHandler<Signal.MessageReceived>() {
 329                                 @Override
 330                                 public void handle(Signal.MessageReceived s) {
 331                                     System.out.print(String.format("Envelope from: %s\nTimestamp: %s\nBody: %s\n",
 332                                             s.getSender(), formatTimestamp(s.getTimestamp()), s.getMessage()));
 333                                     if (s.getGroupId().length > 0) {
 334                                         System.out.println("Group info:");
 335                                         System.out.println("  Id: " + Base64.encodeBytes(s.getGroupId()));
 336                                     }
 337                                     if (s.getAttachments().size() > 0) {
 338                                         System.out.println("Attachments: ");
 339                                         for (String attachment : s.getAttachments()) {
 340                                             System.out.println("-  Stored plaintext in: " + attachment);
 341                                         }
 342                                     }
 343                                     System.out.println();
 344                                 }
 345                             });
 346                         } catch (DBusException e) {
 347                             e.printStackTrace();
 348                             return 1;
 349                         }
 350                         while (true) {
 351                             try {
 352                                 Thread.sleep(10000);
 353                             } catch (InterruptedException e) {
 354                                 return 0;
 355                             }
 356                         }
 357                     }
 358                     if (!m.isRegistered()) {
 359                         System.err.println("User is not registered.");
 360                         return 1;
 361                     }
 362                     int timeout = 5;
 363                     if (ns.getInt("timeout") != null) {
 364                         timeout = ns.getInt("timeout");
 365                     }
 366                     boolean returnOnTimeout = true;
 367                     if (timeout < 0) {
 368                         returnOnTimeout = false;
 369                         timeout = 3600;
 370                     }
 371                     try {
 372                         m.receiveMessages(timeout, returnOnTimeout, new ReceiveMessageHandler(m));
 373                     } catch (IOException e) {
 374                         System.err.println("Error while receiving messages: " + e.getMessage());
 375                         return 3;
 376                     } catch (AssertionError e) {
 377                         handleAssertionError(e);
 378                         return 1;
 379                     }
 380                     break;
 381                 case "quitGroup":
 382                     if (dBusConn != null) {
 383                         System.err.println("quitGroup is not yet implemented via dbus");
 384                         return 1;
 385                     }
 386                     if (!m.isRegistered()) {
 387                         System.err.println("User is not registered.");
 388                         return 1;
 389                     }
 390
 391                     try {
 392                         m.sendQuitGroupMessage(decodeGroupId(ns.getString("group")));
 393                     } catch (IOException e) {
 394                         handleIOException(e);
 395                         return 3;
 396                     } catch (EncapsulatedExceptions e) {
 397                         handleEncapsulatedExceptions(e);
 398                         return 3;
 399                     } catch (AssertionError e) {
 400                         handleAssertionError(e);
 401                         return 1;
 402                     } catch (GroupNotFoundException e) {
 403                         handleGroupNotFoundException(e);
 404                         return 1;
 405                     } catch (NotAGroupMemberException e) {
 406                         handleNotAGroupMemberException(e);
 407                         return 1;
 408                     }
 409
 410                     break;
 411                 case "updateGroup":
 412                     if (dBusConn != null) {
 413                         System.err.println("updateGroup is not yet implemented via dbus");
 414                         return 1;
 415                     }
 416                     if (!m.isRegistered()) {
 417                         System.err.println("User is not registered.");
 418                         return 1;
 419                     }
 420
 421                     try {
 422                         byte[] groupId = null;
 423                         if (ns.getString("group") != null) {
 424                             groupId = decodeGroupId(ns.getString("group"));
 425                         }
 426                         byte[] newGroupId = m.sendUpdateGroupMessage(groupId, ns.getString("name"), ns.<String>getList("member"), ns.getString("avatar"));
 427                         if (groupId == null) {
 428                             System.out.println("Creating new group \"" + Base64.encodeBytes(newGroupId) + "\" …");
 429                         }
 430                     } catch (IOException e) {
 431                         handleIOException(e);
 432                         return 3;
 433                     } catch (AttachmentInvalidException e) {
 434                         System.err.println("Failed to add avatar attachment for group\": " + e.getMessage());
 435                         System.err.println("Aborting sending.");
 436                         return 1;
 437                     } catch (GroupNotFoundException e) {
 438                         handleGroupNotFoundException(e);
 439                         return 1;
 440                     } catch (NotAGroupMemberException e) {
 441                         handleNotAGroupMemberException(e);
 442                         return 1;
 443                     } catch (EncapsulatedExceptions e) {
 444                         handleEncapsulatedExceptions(e);
 445                         return 3;
 446                     }
 447
 448                     break;
 449                 case "listIdentities":
 450                     if (dBusConn != null) {
 451                         System.err.println("listIdentities is not yet implemented via dbus");
 452                         return 1;
 453                     }
 454                     if (!m.isRegistered()) {
 455                         System.err.println("User is not registered.");
 456                         return 1;
 457                     }
 458                     if (ns.get("number") == null) {
 459                         for (Map.Entry<String, List<JsonIdentityKeyStore.Identity>> keys : m.getIdentities().entrySet()) {
 460                             for (JsonIdentityKeyStore.Identity id : keys.getValue()) {
 461                                 System.out.println(String.format("%s: %s Added: %s Fingerprint: %s", keys.getKey(), id.trustLevel, id.added, Hex.toStringCondensed(id.getFingerprint())));
 462                             }
 463                         }
 464                     } else {
 465                         String number = ns.getString("number");
 466                         for (JsonIdentityKeyStore.Identity id : m.getIdentities(number)) {
 467                             System.out.println(String.format("%s: %s Added: %s Fingerprint: %s", number, id.trustLevel, id.added, Hex.toStringCondensed(id.getFingerprint())));
 468                         }
 469                     }
 470                     break;
 471                 case "trust":
 472                     if (dBusConn != null) {
 473                         System.err.println("trust is not yet implemented via dbus");
 474                         return 1;
 475                     }
 476                     if (!m.isRegistered()) {
 477                         System.err.println("User is not registered.");
 478                         return 1;
 479                     }
 480                     String number = ns.getString("number");
 481                     if (ns.getBoolean("trust_all_known_keys")) {
 482                         boolean res = m.trustIdentityAllKeys(number);
 483                         if (!res) {
 484                             System.err.println("Failed to set the trust for this number, make sure the number is correct.");
 485                             return 1;
 486                         }
 487                     } else {
 488                         String fingerprint = ns.getString("verified_fingerprint");
 489                         if (fingerprint != null) {
 490                             byte[] fingerprintBytes;
 491                             try {
 492                                 fingerprintBytes = Hex.toByteArray(fingerprint.replaceAll(" ", "").toLowerCase(Locale.ROOT));
 493                             } catch (Exception e) {
 494                                 System.err.println("Failed to parse the fingerprint, make sure the fingerprint is a correctly encoded hex string without additional characters.");
 495                                 return 1;
 496                             }
 497                             boolean res = m.trustIdentityVerified(number, fingerprintBytes);
 498                             if (!res) {
 499                                 System.err.println("Failed to set the trust for the fingerprint of this number, make sure the number and the fingerprint are correct.");
 500                                 return 1;
 501                             }
 502                         } else {
 503                             System.err.println("You need to specify the fingerprint you have verified with -v FINGERPRINT");
 504                             return 1;
 505                         }
 506                     }
 507                     break;
 508                 case "daemon":
 509                     if (dBusConn != null) {
 510                         System.err.println("Stop it.");
 511                         return 1;
 512                     }
 513                     if (!m.isRegistered()) {
 514                         System.err.println("User is not registered.");
 515                         return 1;
 516                     }
 517                     DBusConnection conn = null;
 518                     try {
 519                         try {
 520                             int busType;
 521                             if (ns.getBoolean("system")) {
 522                                 busType = DBusConnection.SYSTEM;
 523                             } else {
 524                                 busType = DBusConnection.SESSION;
 525                             }
 526                             conn = DBusConnection.getConnection(busType);
 527                             conn.exportObject(SIGNAL_OBJECTPATH, m);
 528                             conn.requestBusName(SIGNAL_BUSNAME);
 529                         } catch (DBusException e) {
 530                             e.printStackTrace();
 531                             return 2;
 532                         }
 533                         try {
 534                             m.receiveMessages(3600, false, new DbusReceiveMessageHandler(m, conn));
 535                         } catch (IOException e) {
 536                             System.err.println("Error while receiving messages: " + e.getMessage());
 537                             return 3;
 538                         } catch (AssertionError e) {
 539                             handleAssertionError(e);
 540                             return 1;
 541                         }
 542                     } finally {
 543                         if (conn != null) {
 544                             conn.disconnect();
 545                         }
 546                     }
 547
 548                     break;
 549             }
 550             return 0;
 551         } finally {
 552             if (dBusConn != null) {
 553                 dBusConn.disconnect();
 554             }
 555         }
 556     }
 557
 558     private static void handleGroupNotFoundException(GroupNotFoundException e) {
 559         System.err.println("Failed to send to group: " + e.getMessage());
 560         System.err.println("Aborting sending.");
 561     }
 562
 563     private static void handleNotAGroupMemberException(NotAGroupMemberException e) {
 564         System.err.println("Failed to send to group: " + e.getMessage());
 565         System.err.println("Update the group on another device to readd the user to this group.");
 566         System.err.println("Aborting sending.");
 567     }
 568
 569
 570     private static void handleDBusExecutionException(DBusExecutionException e) {
 571         System.err.println("Cannot connect to dbus: " + e.getMessage());
 572         System.err.println("Aborting.");
 573     }
 574
 575     private static byte[] decodeGroupId(String groupId) {
 576         try {
 577             return Base64.decode(groupId);
 578         } catch (IOException e) {
 579             System.err.println("Failed to decode groupId (must be base64) \"" + groupId + "\": " + e.getMessage());
 580             System.err.println("Aborting sending.");
 581             System.exit(1);
 582             return null;
 583         }
 584     }
 585
 586     private static Namespace parseArgs(String[] args) {
 587         ArgumentParser parser = ArgumentParsers.newArgumentParser("signal-cli")
 588                 .defaultHelp(true)
 589                 .description("Commandline interface for Signal.")
 590                 .version(Manager.PROJECT_NAME + " " + Manager.PROJECT_VERSION);
 591
 592         parser.addArgument("-v", "--version")
 593                 .help("Show package version.")
 594                 .action(Arguments.version());
 595         parser.addArgument("--config")
 596                 .help("Set the path, where to store the config (Default: $HOME/.config/signal).");
 597
 598         MutuallyExclusiveGroup mut = parser.addMutuallyExclusiveGroup();
 599         mut.addArgument("-u", "--username")
 600                 .help("Specify your phone number, that will be used for verification.");
 601         mut.addArgument("--dbus")
 602                 .help("Make request via user dbus.")
 603                 .action(Arguments.storeTrue());
 604         mut.addArgument("--dbus-system")
 605                 .help("Make request via system dbus.")
 606                 .action(Arguments.storeTrue());
 607
 608         Subparsers subparsers = parser.addSubparsers()
 609                 .title("subcommands")
 610                 .dest("command")
 611                 .description("valid subcommands")
 612                 .help("additional help");
 613
 614         Subparser parserLink = subparsers.addParser("link");
 615         parserLink.addArgument("-n", "--name")
 616                 .help("Specify a name to describe this new device.");
 617
 618         Subparser parserAddDevice = subparsers.addParser("addDevice");
 619         parserAddDevice.addArgument("--uri")
 620                 .required(true)
 621                 .help("Specify the uri contained in the QR code shown by the new device.");
 622
 623         Subparser parserDevices = subparsers.addParser("listDevices");
 624
 625         Subparser parserRemoveDevice = subparsers.addParser("removeDevice");
 626         parserRemoveDevice.addArgument("-d", "--deviceId")
 627                 .type(int.class)
 628                 .required(true)
 629                 .help("Specify the device you want to remove. Use listDevices to see the deviceIds.");
 630
 631         Subparser parserRegister = subparsers.addParser("register");
 632         parserRegister.addArgument("-v", "--voice")
 633                 .help("The verification should be done over voice, not sms.")
 634                 .action(Arguments.storeTrue());
 635
 636         Subparser parserVerify = subparsers.addParser("verify");
 637         parserVerify.addArgument("verificationCode")
 638                 .help("The verification code you received via sms or voice call.");
 639
 640         Subparser parserSend = subparsers.addParser("send");
 641         parserSend.addArgument("-g", "--group")
 642                 .help("Specify the recipient group ID.");
 643         parserSend.addArgument("recipient")
 644                 .help("Specify the recipients' phone number.")
 645                 .nargs("*");
 646         parserSend.addArgument("-m", "--message")
 647                 .help("Specify the message, if missing standard input is used.");
 648         parserSend.addArgument("-a", "--attachment")
 649                 .nargs("*")
 650                 .help("Add file as attachment");
 651         parserSend.addArgument("-e", "--endsession")
 652                 .help("Clear session state and send end session message.")
 653                 .action(Arguments.storeTrue());
 654
 655         Subparser parserLeaveGroup = subparsers.addParser("quitGroup");
 656         parserLeaveGroup.addArgument("-g", "--group")
 657                 .required(true)
 658                 .help("Specify the recipient group ID.");
 659
 660         Subparser parserUpdateGroup = subparsers.addParser("updateGroup");
 661         parserUpdateGroup.addArgument("-g", "--group")
 662                 .help("Specify the recipient group ID.");
 663         parserUpdateGroup.addArgument("-n", "--name")
 664                 .help("Specify the new group name.");
 665         parserUpdateGroup.addArgument("-a", "--avatar")
 666                 .help("Specify a new group avatar image file");
 667         parserUpdateGroup.addArgument("-m", "--member")
 668                 .nargs("*")
 669                 .help("Specify one or more members to add to the group");
 670
 671         Subparser parserListIdentities = subparsers.addParser("listIdentities");
 672         parserListIdentities.addArgument("-n", "--number")
 673                 .help("Only show identity keys for the given phone number.");
 674
 675         Subparser parserTrust = subparsers.addParser("trust");
 676         parserTrust.addArgument("number")
 677                 .help("Specify the phone number, for which to set the trust.")
 678                 .required(true);
 679         MutuallyExclusiveGroup mutTrust = parserTrust.addMutuallyExclusiveGroup();
 680         mutTrust.addArgument("-a", "--trust-all-known-keys")
 681                 .help("Trust all known keys of this user, only use this for testing.")
 682                 .action(Arguments.storeTrue());
 683         mutTrust.addArgument("-v", "--verified-fingerprint")
 684                 .help("Specify the fingerprint of the key, only use this option if you have verified the fingerprint.");
 685
 686         Subparser parserReceive = subparsers.addParser("receive");
 687         parserReceive.addArgument("-t", "--timeout")
 688                 .type(int.class)
 689                 .help("Number of seconds to wait for new messages (negative values disable timeout)");
 690
 691         Subparser parserDaemon = subparsers.addParser("daemon");
 692         parserDaemon.addArgument("--system")
 693                 .action(Arguments.storeTrue())
 694                 .help("Use DBus system bus instead of user bus.");
 695
 696         try {
 697             Namespace ns = parser.parseArgs(args);
 698             if ("link".equals(ns.getString("command"))) {
 699                 if (ns.getString("username") != null) {
 700                     parser.printUsage();
 701                     System.err.println("You cannot specify a username (phone number) when linking");
 702                     System.exit(2);
 703                 }
 704             } else if (!ns.getBoolean("dbus") && !ns.getBoolean("dbus_system")) {
 705                 if (ns.getString("username") == null) {
 706                     parser.printUsage();
 707                     System.err.println("You need to specify a username (phone number)");
 708                     System.exit(2);
 709                 }
 710                 if (!PhoneNumberFormatter.isValidNumber(ns.getString("username"))) {
 711                     System.err.println("Invalid username (phone number), make sure you include the country code.");
 712                     System.exit(2);
 713                 }
 714             }
 715             if (ns.getList("recipient") != null && !ns.getList("recipient").isEmpty() && ns.getString("group") != null) {
 716                 System.err.println("You cannot specify recipients by phone number and groups a the same time");
 717                 System.exit(2);
 718             }
 719             return ns;
 720         } catch (ArgumentParserException e) {
 721             parser.handleError(e);
 722             return null;
 723         }
 724     }
 725
 726     private static void handleAssertionError(AssertionError e) {
 727         System.err.println("Failed to send/receive message (Assertion): " + e.getMessage());
 728         e.printStackTrace();
 729         System.err.println("If you use an Oracle JRE please check if you have unlimited strength crypto enabled, see README");
 730     }
 731
 732     private static void handleEncapsulatedExceptions(EncapsulatedExceptions e) {
 733         System.err.println("Failed to send (some) messages:");
 734         for (NetworkFailureException n : e.getNetworkExceptions()) {
 735             System.err.println("Network failure for \"" + n.getE164number() + "\": " + n.getMessage());
 736         }
 737         for (UnregisteredUserException n : e.getUnregisteredUserExceptions()) {
 738             System.err.println("Unregistered user \"" + n.getE164Number() + "\": " + n.getMessage());
 739         }
 740         for (UntrustedIdentityException n : e.getUntrustedIdentityExceptions()) {
 741             System.err.println("Untrusted Identity for \"" + n.getE164Number() + "\": " + n.getMessage());
 742         }
 743     }
 744
 745     private static void handleIOException(IOException e) {
 746         System.err.println("Failed to send message: " + e.getMessage());
 747     }
 748
 749     private static String readAll(InputStream in) throws IOException {
 750         StringWriter output = new StringWriter();
 751         byte[] buffer = new byte[4096];
 752         long count = 0;
 753         int n;
 754         while (-1 != (n = System.in.read(buffer))) {
 755             output.write(new String(buffer, 0, n, Charset.defaultCharset()));
 756             count += n;
 757         }
 758         return output.toString();
 759     }
 760
 761     private static class ReceiveMessageHandler implements Manager.ReceiveMessageHandler {
 762         final Manager m;
 763
 764         public ReceiveMessageHandler(Manager m) {
 765             this.m = m;
 766         }
 767
 768         @Override
 769         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
 770             SignalServiceAddress source = envelope.getSourceAddress();
 771             ContactInfo sourceContact = m.getContact(source.getNumber());
 772             System.out.println(String.format("Envelope from: %s (device: %d)", (sourceContact == null ? "" : "“" + sourceContact.name + "” ") + source.getNumber(), envelope.getSourceDevice()));
 773             if (source.getRelay().isPresent()) {
 774                 System.out.println("Relayed by: " + source.getRelay().get());
 775             }
 776             System.out.println("Timestamp: " + formatTimestamp(envelope.getTimestamp()));
 777
 778             if (envelope.isReceipt()) {
 779                 System.out.println("Got receipt.");
 780             } else if (envelope.isSignalMessage() | envelope.isPreKeySignalMessage()) {
 781                 if (exception != null) {
 782                     if (exception instanceof org.whispersystems.libsignal.UntrustedIdentityException) {
 783                         org.whispersystems.libsignal.UntrustedIdentityException e = (org.whispersystems.libsignal.UntrustedIdentityException) exception;
 784                         System.out.println("The user’s key is untrusted, either the user has reinstalled Signal or a third party sent this message.");
 785                         System.out.println("Use 'signal-cli -u " + m.getUsername() + " listIdentities -n " + e.getName() + "', verify the key and run 'signal-cli -u " + m.getUsername() + " trust -v \"FINGER_PRINT\" " + e.getName() + "' to mark it as trusted");
 786                         System.out.println("If you don't care about security, use 'signal-cli -u " + m.getUsername() + " trust -a " + e.getName() + "' to trust it without verification");
 787                     } else {
 788                         System.out.println("Exception: " + exception.getMessage() + " (" + exception.getClass().getSimpleName() + ")");
 789                     }
 790                 }
 791                 if (content == null) {
 792                     System.out.println("Failed to decrypt message.");
 793                 } else {
 794                     if (content.getDataMessage().isPresent()) {
 795                         SignalServiceDataMessage message = content.getDataMessage().get();
 796                         handleSignalServiceDataMessage(message);
 797                     }
 798                     if (content.getSyncMessage().isPresent()) {
 799                         System.out.println("Received a sync message");
 800                         SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
 801
 802                         if (syncMessage.getContacts().isPresent()) {
 803                             System.out.println("Received sync contacts");
 804                             printAttachment(syncMessage.getContacts().get());
 805                         }
 806                         if (syncMessage.getGroups().isPresent()) {
 807                             System.out.println("Received sync groups");
 808                             printAttachment(syncMessage.getGroups().get());
 809                         }
 810                         if (syncMessage.getRead().isPresent()) {
 811                             System.out.println("Received sync read messages list");
 812                             for (ReadMessage rm : syncMessage.getRead().get()) {
 813                                 ContactInfo fromContact = m.getContact(rm.getSender());
 814                                 System.out.println("From: " + (fromContact == null ? "" : "“" + fromContact.name + "” ") + rm.getSender() + " Message timestamp: " + formatTimestamp(rm.getTimestamp()));
 815                             }
 816                         }
 817                         if (syncMessage.getRequest().isPresent()) {
 818                             System.out.println("Received sync request");
 819                             if (syncMessage.getRequest().get().isContactsRequest()) {
 820                                 System.out.println(" - contacts request");
 821                             }
 822                             if (syncMessage.getRequest().get().isGroupsRequest()) {
 823                                 System.out.println(" - groups request");
 824                             }
 825                         }
 826                         if (syncMessage.getSent().isPresent()) {
 827                             System.out.println("Received sync sent message");
 828                             final SentTranscriptMessage sentTranscriptMessage = syncMessage.getSent().get();
 829                             String to;
 830                             if (sentTranscriptMessage.getDestination().isPresent()) {
 831                                 String dest = sentTranscriptMessage.getDestination().get();
 832                                 ContactInfo destContact = m.getContact(dest);
 833                                 to = (destContact == null ? "" : "“" + destContact.name + "” ") + dest;
 834                             } else {
 835                                 to = "Unknown";
 836                             }
 837                             System.out.println("To: " + to + " , Message timestamp: " + formatTimestamp(sentTranscriptMessage.getTimestamp()));
 838                             if (sentTranscriptMessage.getExpirationStartTimestamp() > 0) {
 839                                 System.out.println("Expiration started at: " + formatTimestamp(sentTranscriptMessage.getExpirationStartTimestamp()));
 840                             }
 841                             SignalServiceDataMessage message = sentTranscriptMessage.getMessage();
 842                             handleSignalServiceDataMessage(message);
 843                         }
 844                         if (syncMessage.getBlockedList().isPresent()) {
 845                             System.out.println("Received sync message with block list");
 846                             System.out.println("Blocked numbers:");
 847                             final BlockedListMessage blockedList = syncMessage.getBlockedList().get();
 848                             for (String number : blockedList.getNumbers()) {
 849                                 System.out.println(" - " + number);
 850                             }
 851                         }
 852                     }
 853                 }
 854             } else {
 855                 System.out.println("Unknown message received.");
 856             }
 857             System.out.println();
 858         }
 859
 860         private void handleSignalServiceDataMessage(SignalServiceDataMessage message) {
 861             System.out.println("Message timestamp: " + formatTimestamp(message.getTimestamp()));
 862
 863             if (message.getBody().isPresent()) {
 864                 System.out.println("Body: " + message.getBody().get());
 865             }
 866             if (message.getGroupInfo().isPresent()) {
 867                 SignalServiceGroup groupInfo = message.getGroupInfo().get();
 868                 System.out.println("Group info:");
 869                 System.out.println("  Id: " + Base64.encodeBytes(groupInfo.getGroupId()));
 870                 if (groupInfo.getType() == SignalServiceGroup.Type.UPDATE && groupInfo.getName().isPresent()) {
 871                     System.out.println("  Name: " + groupInfo.getName().get());
 872                 } else {
 873                     GroupInfo group = m.getGroup(groupInfo.getGroupId());
 874                     if (group != null) {
 875                         System.out.println("  Name: " + group.name);
 876                     } else {
 877                         System.out.println("  Name: <Unknown group>");
 878                     }
 879                 }
 880                 System.out.println("  Type: " + groupInfo.getType());
 881                 if (groupInfo.getMembers().isPresent()) {
 882                     for (String member : groupInfo.getMembers().get()) {
 883                         System.out.println("  Member: " + member);
 884                     }
 885                 }
 886                 if (groupInfo.getAvatar().isPresent()) {
 887                     System.out.println("  Avatar:");
 888                     printAttachment(groupInfo.getAvatar().get());
 889                 }
 890             }
 891             if (message.isEndSession()) {
 892                 System.out.println("Is end session");
 893             }
 894             if (message.isExpirationUpdate()) {
 895                 System.out.println("Is Expiration update: " + message.isExpirationUpdate());
 896             }
 897             if (message.getExpiresInSeconds() > 0) {
 898                 System.out.println("Expires in: " + message.getExpiresInSeconds() + " seconds");
 899             }
 900
 901             if (message.getAttachments().isPresent()) {
 902                 System.out.println("Attachments: ");
 903                 for (SignalServiceAttachment attachment : message.getAttachments().get()) {
 904                     printAttachment(attachment);
 905                 }
 906             }
 907         }
 908
 909         private void printAttachment(SignalServiceAttachment attachment) {
 910             System.out.println("- " + attachment.getContentType() + " (" + (attachment.isPointer() ? "Pointer" : "") + (attachment.isStream() ? "Stream" : "") + ")");
 911             if (attachment.isPointer()) {
 912                 final SignalServiceAttachmentPointer pointer = attachment.asPointer();
 913                 System.out.println("  Id: " + pointer.getId() + " Key length: " + pointer.getKey().length + (pointer.getRelay().isPresent() ? " Relay: " + pointer.getRelay().get() : ""));
 914                 System.out.println("  Size: " + (pointer.getSize().isPresent() ? pointer.getSize().get() + " bytes" : "<unavailable>") + (pointer.getPreview().isPresent() ? " (Preview is available: " + pointer.getPreview().get().length + " bytes)" : ""));
 915                 File file = m.getAttachmentFile(pointer.getId());
 916                 if (file.exists()) {
 917                     System.out.println("  Stored plaintext in: " + file);
 918                 }
 919             }
 920         }
 921     }
 922
 923     private static class DbusReceiveMessageHandler extends ReceiveMessageHandler {
 924         final DBusConnection conn;
 925
 926         public DbusReceiveMessageHandler(Manager m, DBusConnection conn) {
 927             super(m);
 928             this.conn = conn;
 929         }
 930
 931         @Override
 932         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
 933             super.handleMessage(envelope, content, exception);
 934
 935             if (!envelope.isReceipt() && content != null && content.getDataMessage().isPresent()) {
 936                 SignalServiceDataMessage message = content.getDataMessage().get();
 937
 938                 if (!message.isEndSession() &&
 939                         !(message.getGroupInfo().isPresent() &&
 940                                 message.getGroupInfo().get().getType() != SignalServiceGroup.Type.DELIVER)) {
 941                     List<String> attachments = new ArrayList<>();
 942                     if (message.getAttachments().isPresent()) {
 943                         for (SignalServiceAttachment attachment : message.getAttachments().get()) {
 944                             if (attachment.isPointer()) {
 945                                 attachments.add(m.getAttachmentFile(attachment.asPointer().getId()).getAbsolutePath());
 946                             }
 947                         }
 948                     }
 949
 950                     try {
 951                         conn.sendSignal(new Signal.MessageReceived(
 952                                 SIGNAL_OBJECTPATH,
 953                                 message.getTimestamp(),
 954                                 envelope.getSource(),
 955                                 message.getGroupInfo().isPresent() ? message.getGroupInfo().get().getGroupId() : new byte[0],
 956                                 message.getBody().isPresent() ? message.getBody().get() : "",
 957                                 attachments));
 958                     } catch (DBusException e) {
 959                         e.printStackTrace();
 960                     }
 961                 }
 962             }
 963         }
 964
 965     }
 966
 967     private static String formatTimestamp(long timestamp) {
 968         Date date = new Date(timestamp);
 969         final DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"); // Quoted "Z" to indicate UTC, no timezone offset
 970         df.setTimeZone(tzUTC);
 971         return timestamp + " (" + df.format(date) + ")";
 972     }
 973 }