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.TimeUnit;
  50 import java.util.concurrent.TimeoutException;
  51
  52 public class Main {
  53
  54     public static final String SIGNAL_BUSNAME = "org.asamk.Signal";
  55     public static final String SIGNAL_OBJECTPATH = "/org/asamk/Signal";
  56
  57     private static final TimeZone tzUTC = TimeZone.getTimeZone("UTC");
  58
  59     public static void main(String[] args) {
  60         // Workaround for BKS truststore
  61         Security.insertProviderAt(new org.bouncycastle.jce.provider.BouncyCastleProvider(), 1);
  62
  63         Namespace ns = parseArgs(args);
  64         if (ns == null) {
  65             System.exit(1);
  66         }
  67
  68         int res = handleCommands(ns);
  69         System.exit(res);
  70     }
  71
  72     private static int handleCommands(Namespace ns) {
  73         final String username = ns.getString("username");
  74         Manager m;
  75         Signal ts;
  76         DBusConnection dBusConn = null;
  77         try {
  78             if (ns.getBoolean("dbus") || ns.getBoolean("dbus_system")) {
  79                 try {
  80                     m = null;
  81                     int busType;
  82                     if (ns.getBoolean("dbus_system")) {
  83                         busType = DBusConnection.SYSTEM;
  84                     } else {
  85                         busType = DBusConnection.SESSION;
  86                     }
  87                     dBusConn = DBusConnection.getConnection(busType);
  88                     ts = (Signal) dBusConn.getRemoteObject(
  89                             SIGNAL_BUSNAME, SIGNAL_OBJECTPATH,
  90                             Signal.class);
  91                 } catch (UnsatisfiedLinkError e) {
  92                     System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
  93                     return 1;
  94                 } catch (DBusException e) {
  95                     e.printStackTrace();
  96                     if (dBusConn != null) {
  97                         dBusConn.disconnect();
  98                     }
  99                     return 3;
 100                 }
 101             } else {
 102                 String settingsPath = ns.getString("config");
 103                 if (TextUtils.isEmpty(settingsPath)) {
 104                     settingsPath = System.getProperty("user.home") + "/.config/signal";
 105                     if (!new File(settingsPath).exists()) {
 106                         String legacySettingsPath = System.getProperty("user.home") + "/.config/textsecure";
 107                         if (new File(legacySettingsPath).exists()) {
 108                             settingsPath = legacySettingsPath;
 109                         }
 110                     }
 111                 }
 112
 113                 m = new Manager(username, settingsPath);
 114                 ts = m;
 115                 if (m.userExists()) {
 116                     try {
 117                         m.init();
 118                     } catch (Exception e) {
 119                         System.err.println("Error loading state file \"" + m.getFileName() + "\": " + e.getMessage());
 120                         return 2;
 121                     }
 122                 }
 123             }
 124
 125             switch (ns.getString("command")) {
 126                 case "register":
 127                     if (dBusConn != null) {
 128                         System.err.println("register is not yet implemented via dbus");
 129                         return 1;
 130                     }
 131                     if (!m.userHasKeys()) {
 132                         m.createNewIdentity();
 133                     }
 134                     try {
 135                         m.register(ns.getBoolean("voice"));
 136                     } catch (IOException e) {
 137                         System.err.println("Request verify error: " + e.getMessage());
 138                         return 3;
 139                     }
 140                     break;
 141                 case "unregister":
 142                     if (dBusConn != null) {
 143                         System.err.println("unregister is not yet implemented via dbus");
 144                         return 1;
 145                     }
 146                     if (!m.isRegistered()) {
 147                         System.err.println("User is not registered.");
 148                         return 1;
 149                     }
 150                     try {
 151                         m.unregister();
 152                     } catch (IOException e) {
 153                         System.err.println("Unregister error: " + e.getMessage());
 154                         return 3;
 155                     }
 156                     break;
 157                 case "updateAccount":
 158                     if (dBusConn != null) {
 159                         System.err.println("updateAccount is not yet implemented via dbus");
 160                         return 1;
 161                     }
 162                     if (!m.isRegistered()) {
 163                         System.err.println("User is not registered.");
 164                         return 1;
 165                     }
 166                     try {
 167                         m.updateAccountAttributes();
 168                     } catch (IOException e) {
 169                         System.err.println("UpdateAccount error: " + e.getMessage());
 170                         return 3;
 171                     }
 172                     break;
 173                 case "verify":
 174                     if (dBusConn != null) {
 175                         System.err.println("verify is not yet implemented via dbus");
 176                         return 1;
 177                     }
 178                     if (!m.userHasKeys()) {
 179                         System.err.println("User has no keys, first call register.");
 180                         return 1;
 181                     }
 182                     if (m.isRegistered()) {
 183                         System.err.println("User registration is already verified");
 184                         return 1;
 185                     }
 186                     try {
 187                         m.verifyAccount(ns.getString("verificationCode"));
 188                     } catch (IOException e) {
 189                         System.err.println("Verify error: " + e.getMessage());
 190                         return 3;
 191                     }
 192                     break;
 193                 case "link":
 194                     if (dBusConn != null) {
 195                         System.err.println("link is not yet implemented via dbus");
 196                         return 1;
 197                     }
 198
 199                     // When linking, username is null and we always have to create keys
 200                     m.createNewIdentity();
 201
 202                     String deviceName = ns.getString("name");
 203                     if (deviceName == null) {
 204                         deviceName = "cli";
 205                     }
 206                     try {
 207                         System.out.println(m.getDeviceLinkUri());
 208                         m.finishDeviceLink(deviceName);
 209                         System.out.println("Associated with: " + m.getUsername());
 210                     } catch (TimeoutException e) {
 211                         System.err.println("Link request timed out, please try again.");
 212                         return 3;
 213                     } catch (IOException e) {
 214                         System.err.println("Link request error: " + e.getMessage());
 215                         return 3;
 216                     } catch (AssertionError e) {
 217                         handleAssertionError(e);
 218                         return 1;
 219                     } catch (InvalidKeyException e) {
 220                         e.printStackTrace();
 221                         return 2;
 222                     } catch (UserAlreadyExists e) {
 223                         System.err.println("The user " + e.getUsername() + " already exists\nDelete \"" + e.getFileName() + "\" before trying again.");
 224                         return 1;
 225                     }
 226                     break;
 227                 case "addDevice":
 228                     if (dBusConn != null) {
 229                         System.err.println("link is not yet implemented via dbus");
 230                         return 1;
 231                     }
 232                     if (!m.isRegistered()) {
 233                         System.err.println("User is not registered.");
 234                         return 1;
 235                     }
 236                     try {
 237                         m.addDeviceLink(new URI(ns.getString("uri")));
 238                     } catch (IOException e) {
 239                         e.printStackTrace();
 240                         return 3;
 241                     } catch (InvalidKeyException e) {
 242                         e.printStackTrace();
 243                         return 2;
 244                     } catch (AssertionError e) {
 245                         handleAssertionError(e);
 246                         return 1;
 247                     } catch (URISyntaxException e) {
 248                         e.printStackTrace();
 249                         return 2;
 250                     }
 251                     break;
 252                 case "listDevices":
 253                     if (dBusConn != null) {
 254                         System.err.println("listDevices is not yet implemented via dbus");
 255                         return 1;
 256                     }
 257                     if (!m.isRegistered()) {
 258                         System.err.println("User is not registered.");
 259                         return 1;
 260                     }
 261                     try {
 262                         List<DeviceInfo> devices = m.getLinkedDevices();
 263                         for (DeviceInfo d : devices) {
 264                             System.out.println("Device " + d.getId() + (d.getId() == m.getDeviceId() ? " (this device)" : "") + ":");
 265                             System.out.println(" Name: " + d.getName());
 266                             System.out.println(" Created: " + formatTimestamp(d.getCreated()));
 267                             System.out.println(" Last seen: " + formatTimestamp(d.getLastSeen()));
 268                         }
 269                     } catch (IOException e) {
 270                         e.printStackTrace();
 271                         return 3;
 272                     }
 273                     break;
 274                 case "removeDevice":
 275                     if (dBusConn != null) {
 276                         System.err.println("removeDevice is not yet implemented via dbus");
 277                         return 1;
 278                     }
 279                     if (!m.isRegistered()) {
 280                         System.err.println("User is not registered.");
 281                         return 1;
 282                     }
 283                     try {
 284                         int deviceId = ns.getInt("deviceId");
 285                         m.removeLinkedDevices(deviceId);
 286                     } catch (IOException e) {
 287                         e.printStackTrace();
 288                         return 3;
 289                     }
 290                     break;
 291                 case "send":
 292                     if (dBusConn == null && !m.isRegistered()) {
 293                         System.err.println("User is not registered.");
 294                         return 1;
 295                     }
 296
 297                     if (ns.getBoolean("endsession")) {
 298                         if (ns.getList("recipient") == null) {
 299                             System.err.println("No recipients given");
 300                             System.err.println("Aborting sending.");
 301                             return 1;
 302                         }
 303                         try {
 304                             ts.sendEndSessionMessage(ns.<String>getList("recipient"));
 305                         } catch (IOException e) {
 306                             handleIOException(e);
 307                             return 3;
 308                         } catch (EncapsulatedExceptions e) {
 309                             handleEncapsulatedExceptions(e);
 310                             return 3;
 311                         } catch (AssertionError e) {
 312                             handleAssertionError(e);
 313                             return 1;
 314                         } catch (DBusExecutionException e) {
 315                             handleDBusExecutionException(e);
 316                             return 1;
 317                         }
 318                     } else {
 319                         String messageText = ns.getString("message");
 320                         if (messageText == null) {
 321                             try {
 322                                 messageText = readAll(System.in);
 323                             } catch (IOException e) {
 324                                 System.err.println("Failed to read message from stdin: " + e.getMessage());
 325                                 System.err.println("Aborting sending.");
 326                                 return 1;
 327                             }
 328                         }
 329
 330                         try {
 331                             List<String> attachments = ns.getList("attachment");
 332                             if (attachments == null) {
 333                                 attachments = new ArrayList<>();
 334                             }
 335                             if (ns.getString("group") != null) {
 336                                 byte[] groupId = decodeGroupId(ns.getString("group"));
 337                                 ts.sendGroupMessage(messageText, attachments, groupId);
 338                             } else {
 339                                 ts.sendMessage(messageText, attachments, ns.<String>getList("recipient"));
 340                             }
 341                         } catch (IOException e) {
 342                             handleIOException(e);
 343                             return 3;
 344                         } catch (EncapsulatedExceptions e) {
 345                             handleEncapsulatedExceptions(e);
 346                             return 3;
 347                         } catch (AssertionError e) {
 348                             handleAssertionError(e);
 349                             return 1;
 350                         } catch (GroupNotFoundException e) {
 351                             handleGroupNotFoundException(e);
 352                             return 1;
 353                         } catch (NotAGroupMemberException e) {
 354                             handleNotAGroupMemberException(e);
 355                             return 1;
 356                         } catch (AttachmentInvalidException e) {
 357                             System.err.println("Failed to add attachment: " + e.getMessage());
 358                             System.err.println("Aborting sending.");
 359                             return 1;
 360                         } catch (DBusExecutionException e) {
 361                             handleDBusExecutionException(e);
 362                             return 1;
 363                         }
 364                     }
 365
 366                     break;
 367                 case "receive":
 368                     if (dBusConn != null) {
 369                         try {
 370                             dBusConn.addSigHandler(Signal.MessageReceived.class, new DBusSigHandler<Signal.MessageReceived>() {
 371                                 @Override
 372                                 public void handle(Signal.MessageReceived s) {
 373                                     System.out.print(String.format("Envelope from: %s\nTimestamp: %s\nBody: %s\n",
 374                                             s.getSender(), formatTimestamp(s.getTimestamp()), s.getMessage()));
 375                                     if (s.getGroupId().length > 0) {
 376                                         System.out.println("Group info:");
 377                                         System.out.println("  Id: " + Base64.encodeBytes(s.getGroupId()));
 378                                     }
 379                                     if (s.getAttachments().size() > 0) {
 380                                         System.out.println("Attachments: ");
 381                                         for (String attachment : s.getAttachments()) {
 382                                             System.out.println("-  Stored plaintext in: " + attachment);
 383                                         }
 384                                     }
 385                                     System.out.println();
 386                                 }
 387                             });
 388                         } catch (UnsatisfiedLinkError e) {
 389                             System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
 390                             return 1;
 391                         } catch (DBusException e) {
 392                             e.printStackTrace();
 393                             return 1;
 394                         }
 395                         while (true) {
 396                             try {
 397                                 Thread.sleep(10000);
 398                             } catch (InterruptedException e) {
 399                                 return 0;
 400                             }
 401                         }
 402                     }
 403                     if (!m.isRegistered()) {
 404                         System.err.println("User is not registered.");
 405                         return 1;
 406                     }
 407                     double timeout = 5;
 408                     if (ns.getDouble("timeout") != null) {
 409                         timeout = ns.getDouble("timeout");
 410                     }
 411                     boolean returnOnTimeout = true;
 412                     if (timeout < 0) {
 413                         returnOnTimeout = false;
 414                         timeout = 3600;
 415                     }
 416                     boolean ignoreAttachments = ns.getBoolean("ignore_attachments");
 417                     try {
 418                         m.receiveMessages((long) (timeout * 1000), TimeUnit.MILLISECONDS, returnOnTimeout, ignoreAttachments, new ReceiveMessageHandler(m));
 419                     } catch (IOException e) {
 420                         System.err.println("Error while receiving messages: " + e.getMessage());
 421                         return 3;
 422                     } catch (AssertionError e) {
 423                         handleAssertionError(e);
 424                         return 1;
 425                     }
 426                     break;
 427                 case "quitGroup":
 428                     if (dBusConn != null) {
 429                         System.err.println("quitGroup is not yet implemented via dbus");
 430                         return 1;
 431                     }
 432                     if (!m.isRegistered()) {
 433                         System.err.println("User is not registered.");
 434                         return 1;
 435                     }
 436
 437                     try {
 438                         m.sendQuitGroupMessage(decodeGroupId(ns.getString("group")));
 439                     } catch (IOException e) {
 440                         handleIOException(e);
 441                         return 3;
 442                     } catch (EncapsulatedExceptions e) {
 443                         handleEncapsulatedExceptions(e);
 444                         return 3;
 445                     } catch (AssertionError e) {
 446                         handleAssertionError(e);
 447                         return 1;
 448                     } catch (GroupNotFoundException e) {
 449                         handleGroupNotFoundException(e);
 450                         return 1;
 451                     } catch (NotAGroupMemberException e) {
 452                         handleNotAGroupMemberException(e);
 453                         return 1;
 454                     }
 455
 456                     break;
 457                 case "updateGroup":
 458                     if (dBusConn != null) {
 459                         System.err.println("updateGroup is not yet implemented via dbus");
 460                         return 1;
 461                     }
 462                     if (!m.isRegistered()) {
 463                         System.err.println("User is not registered.");
 464                         return 1;
 465                     }
 466
 467                     try {
 468                         byte[] groupId = null;
 469                         if (ns.getString("group") != null) {
 470                             groupId = decodeGroupId(ns.getString("group"));
 471                         }
 472                         byte[] newGroupId = m.sendUpdateGroupMessage(groupId, ns.getString("name"), ns.<String>getList("member"), ns.getString("avatar"));
 473                         if (groupId == null) {
 474                             System.out.println("Creating new group \"" + Base64.encodeBytes(newGroupId) + "\" …");
 475                         }
 476                     } catch (IOException e) {
 477                         handleIOException(e);
 478                         return 3;
 479                     } catch (AttachmentInvalidException e) {
 480                         System.err.println("Failed to add avatar attachment for group\": " + e.getMessage());
 481                         System.err.println("Aborting sending.");
 482                         return 1;
 483                     } catch (GroupNotFoundException e) {
 484                         handleGroupNotFoundException(e);
 485                         return 1;
 486                     } catch (NotAGroupMemberException e) {
 487                         handleNotAGroupMemberException(e);
 488                         return 1;
 489                     } catch (EncapsulatedExceptions e) {
 490                         handleEncapsulatedExceptions(e);
 491                         return 3;
 492                     }
 493
 494                     break;
 495                 case "listGroups":
 496                     if (dBusConn != null) {
 497                         System.err.println("listGroups is not yet implemented via dbus");
 498                         return 1;
 499                     }
 500                     if (!m.isRegistered()) {
 501                         System.err.println("User is not registered.");
 502                         return 1;
 503                     }
 504
 505                     List<GroupInfo> groups = m.getGroups();
 506
 507                     for (GroupInfo group : groups) {
 508                         printGroup(group, ns.getBoolean("detailed"));
 509                     }
 510                     break;
 511                 case "listIdentities":
 512                     if (dBusConn != null) {
 513                         System.err.println("listIdentities is not yet implemented via dbus");
 514                         return 1;
 515                     }
 516                     if (!m.isRegistered()) {
 517                         System.err.println("User is not registered.");
 518                         return 1;
 519                     }
 520                     if (ns.get("number") == null) {
 521                         for (Map.Entry<String, List<JsonIdentityKeyStore.Identity>> keys : m.getIdentities().entrySet()) {
 522                             for (JsonIdentityKeyStore.Identity id : keys.getValue()) {
 523                                 printIdentityFingerprint(m, keys.getKey(), id);
 524                             }
 525                         }
 526                     } else {
 527                         String number = ns.getString("number");
 528                         for (JsonIdentityKeyStore.Identity id : m.getIdentities(number)) {
 529                             printIdentityFingerprint(m, number, id);
 530                         }
 531                     }
 532                     break;
 533                 case "trust":
 534                     if (dBusConn != null) {
 535                         System.err.println("trust is not yet implemented via dbus");
 536                         return 1;
 537                     }
 538                     if (!m.isRegistered()) {
 539                         System.err.println("User is not registered.");
 540                         return 1;
 541                     }
 542                     String number = ns.getString("number");
 543                     if (ns.getBoolean("trust_all_known_keys")) {
 544                         boolean res = m.trustIdentityAllKeys(number);
 545                         if (!res) {
 546                             System.err.println("Failed to set the trust for this number, make sure the number is correct.");
 547                             return 1;
 548                         }
 549                     } else {
 550                         String fingerprint = ns.getString("verified_fingerprint");
 551                         if (fingerprint != null) {
 552                             fingerprint = fingerprint.replaceAll(" ", "");
 553                             if (fingerprint.length() == 66) {
 554                                 byte[] fingerprintBytes;
 555                                 try {
 556                                     fingerprintBytes = Hex.toByteArray(fingerprint.toLowerCase(Locale.ROOT));
 557                                 } catch (Exception e) {
 558                                     System.err.println("Failed to parse the fingerprint, make sure the fingerprint is a correctly encoded hex string without additional characters.");
 559                                     return 1;
 560                                 }
 561                                 boolean res = m.trustIdentityVerified(number, fingerprintBytes);
 562                                 if (!res) {
 563                                     System.err.println("Failed to set the trust for the fingerprint of this number, make sure the number and the fingerprint are correct.");
 564                                     return 1;
 565                                 }
 566                             } else if (fingerprint.length() == 60) {
 567                                 boolean res = m.trustIdentityVerifiedSafetyNumber(number, fingerprint);
 568                                 if (!res) {
 569                                     System.err.println("Failed to set the trust for the safety number of this phone number, make sure the phone number and the safety number are correct.");
 570                                     return 1;
 571                                 }
 572                             } else {
 573                                 System.err.println("Fingerprint has invalid format, either specify the old hex fingerprint or the new safety number");
 574                                 return 1;
 575                             }
 576                         } else {
 577                             System.err.println("You need to specify the fingerprint you have verified with -v FINGERPRINT");
 578                             return 1;
 579                         }
 580                     }
 581                     break;
 582                 case "daemon":
 583                     if (dBusConn != null) {
 584                         System.err.println("Stop it.");
 585                         return 1;
 586                     }
 587                     if (!m.isRegistered()) {
 588                         System.err.println("User is not registered.");
 589                         return 1;
 590                     }
 591                     DBusConnection conn = null;
 592                     try {
 593                         try {
 594                             int busType;
 595                             if (ns.getBoolean("system")) {
 596                                 busType = DBusConnection.SYSTEM;
 597                             } else {
 598                                 busType = DBusConnection.SESSION;
 599                             }
 600                             conn = DBusConnection.getConnection(busType);
 601                             conn.exportObject(SIGNAL_OBJECTPATH, m);
 602                             conn.requestBusName(SIGNAL_BUSNAME);
 603                         } catch (UnsatisfiedLinkError e) {
 604                             System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
 605                             return 1;
 606                         } catch (DBusException e) {
 607                             e.printStackTrace();
 608                             return 2;
 609                         }
 610                         ignoreAttachments = ns.getBoolean("ignore_attachments");
 611                         try {
 612                             m.receiveMessages(1, TimeUnit.HOURS, false, ignoreAttachments, new DbusReceiveMessageHandler(m, conn));
 613                         } catch (IOException e) {
 614                             System.err.println("Error while receiving messages: " + e.getMessage());
 615                             return 3;
 616                         } catch (AssertionError e) {
 617                             handleAssertionError(e);
 618                             return 1;
 619                         }
 620                     } finally {
 621                         if (conn != null) {
 622                             conn.disconnect();
 623                         }
 624                     }
 625
 626                     break;
 627             }
 628             return 0;
 629         } finally {
 630             if (dBusConn != null) {
 631                 dBusConn.disconnect();
 632             }
 633         }
 634     }
 635
 636     private static void printIdentityFingerprint(Manager m, String theirUsername, JsonIdentityKeyStore.Identity theirId) {
 637         String digits = formatSafetyNumber(m.computeSafetyNumber(theirUsername, theirId.identityKey));
 638         System.out.println(String.format("%s: %s Added: %s Fingerprint: %s Safety Number: %s", theirUsername,
 639                 theirId.trustLevel, theirId.added, Hex.toStringCondensed(theirId.getFingerprint()), digits));
 640     }
 641
 642     private static void printGroup(GroupInfo group, boolean detailed) {
 643         System.out.println(String.format("Group id: %s\n Group name: %s \n active: %s",
 644                 Base64.encodeBytes(group.groupId), group.name, group.active));
 645         if (detailed) {
 646             System.out.println(" Members:");
 647             for (String member : group.members) {
 648                 System.out.println("  " + member);
 649             }
 650         }
 651     }
 652
 653     private static String formatSafetyNumber(String digits) {
 654         final int partCount = 12;
 655         int partSize = digits.length() / partCount;
 656         StringBuilder f = new StringBuilder(digits.length() + partCount);
 657         for (int i = 0; i < partCount; i++) {
 658             f.append(digits.substring(i * partSize, (i * partSize) + partSize)).append(" ");
 659         }
 660         return f.toString();
 661     }
 662
 663     private static void handleGroupNotFoundException(GroupNotFoundException e) {
 664         System.err.println("Failed to send to group: " + e.getMessage());
 665         System.err.println("Aborting sending.");
 666     }
 667
 668     private static void handleNotAGroupMemberException(NotAGroupMemberException e) {
 669         System.err.println("Failed to send to group: " + e.getMessage());
 670         System.err.println("Update the group on another device to readd the user to this group.");
 671         System.err.println("Aborting sending.");
 672     }
 673
 674
 675     private static void handleDBusExecutionException(DBusExecutionException e) {
 676         System.err.println("Cannot connect to dbus: " + e.getMessage());
 677         System.err.println("Aborting.");
 678     }
 679
 680     private static byte[] decodeGroupId(String groupId) {
 681         try {
 682             return Base64.decode(groupId);
 683         } catch (IOException e) {
 684             System.err.println("Failed to decode groupId (must be base64) \"" + groupId + "\": " + e.getMessage());
 685             System.err.println("Aborting sending.");
 686             System.exit(1);
 687             return null;
 688         }
 689     }
 690
 691     private static Namespace parseArgs(String[] args) {
 692         ArgumentParser parser = ArgumentParsers.newArgumentParser("signal-cli")
 693                 .defaultHelp(true)
 694                 .description("Commandline interface for Signal.")
 695                 .version(Manager.PROJECT_NAME + " " + Manager.PROJECT_VERSION);
 696
 697         parser.addArgument("-v", "--version")
 698                 .help("Show package version.")
 699                 .action(Arguments.version());
 700         parser.addArgument("--config")
 701                 .help("Set the path, where to store the config (Default: $HOME/.config/signal).");
 702
 703         MutuallyExclusiveGroup mut = parser.addMutuallyExclusiveGroup();
 704         mut.addArgument("-u", "--username")
 705                 .help("Specify your phone number, that will be used for verification.");
 706         mut.addArgument("--dbus")
 707                 .help("Make request via user dbus.")
 708                 .action(Arguments.storeTrue());
 709         mut.addArgument("--dbus-system")
 710                 .help("Make request via system dbus.")
 711                 .action(Arguments.storeTrue());
 712
 713         Subparsers subparsers = parser.addSubparsers()
 714                 .title("subcommands")
 715                 .dest("command")
 716                 .description("valid subcommands")
 717                 .help("additional help");
 718
 719         Subparser parserLink = subparsers.addParser("link");
 720         parserLink.addArgument("-n", "--name")
 721                 .help("Specify a name to describe this new device.");
 722
 723         Subparser parserAddDevice = subparsers.addParser("addDevice");
 724         parserAddDevice.addArgument("--uri")
 725                 .required(true)
 726                 .help("Specify the uri contained in the QR code shown by the new device.");
 727
 728         Subparser parserDevices = subparsers.addParser("listDevices");
 729
 730         Subparser parserRemoveDevice = subparsers.addParser("removeDevice");
 731         parserRemoveDevice.addArgument("-d", "--deviceId")
 732                 .type(int.class)
 733                 .required(true)
 734                 .help("Specify the device you want to remove. Use listDevices to see the deviceIds.");
 735
 736         Subparser parserRegister = subparsers.addParser("register");
 737         parserRegister.addArgument("-v", "--voice")
 738                 .help("The verification should be done over voice, not sms.")
 739                 .action(Arguments.storeTrue());
 740
 741         Subparser parserUnregister = subparsers.addParser("unregister");
 742         parserUnregister.help("Unregister the current device from the signal server.");
 743
 744         Subparser parserUpdateAccount = subparsers.addParser("updateAccount");
 745         parserUpdateAccount.help("Update the account attributes on the signal server.");
 746
 747         Subparser parserVerify = subparsers.addParser("verify");
 748         parserVerify.addArgument("verificationCode")
 749                 .help("The verification code you received via sms or voice call.");
 750
 751         Subparser parserSend = subparsers.addParser("send");
 752         parserSend.addArgument("-g", "--group")
 753                 .help("Specify the recipient group ID.");
 754         parserSend.addArgument("recipient")
 755                 .help("Specify the recipients' phone number.")
 756                 .nargs("*");
 757         parserSend.addArgument("-m", "--message")
 758                 .help("Specify the message, if missing standard input is used.");
 759         parserSend.addArgument("-a", "--attachment")
 760                 .nargs("*")
 761                 .help("Add file as attachment");
 762         parserSend.addArgument("-e", "--endsession")
 763                 .help("Clear session state and send end session message.")
 764                 .action(Arguments.storeTrue());
 765
 766         Subparser parserLeaveGroup = subparsers.addParser("quitGroup");
 767         parserLeaveGroup.addArgument("-g", "--group")
 768                 .required(true)
 769                 .help("Specify the recipient group ID.");
 770
 771         Subparser parserUpdateGroup = subparsers.addParser("updateGroup");
 772         parserUpdateGroup.addArgument("-g", "--group")
 773                 .help("Specify the recipient group ID.");
 774         parserUpdateGroup.addArgument("-n", "--name")
 775                 .help("Specify the new group name.");
 776         parserUpdateGroup.addArgument("-a", "--avatar")
 777                 .help("Specify a new group avatar image file");
 778         parserUpdateGroup.addArgument("-m", "--member")
 779                 .nargs("*")
 780                 .help("Specify one or more members to add to the group");
 781
 782         Subparser parserListGroups = subparsers.addParser("listGroups");
 783         parserListGroups.addArgument("-d", "--detailed").action(Arguments.storeTrue())
 784                 .help("List members of each group");
 785         parserListGroups.help("List group name and ids");
 786
 787         Subparser parserListIdentities = subparsers.addParser("listIdentities");
 788         parserListIdentities.addArgument("-n", "--number")
 789                 .help("Only show identity keys for the given phone number.");
 790
 791         Subparser parserTrust = subparsers.addParser("trust");
 792         parserTrust.addArgument("number")
 793                 .help("Specify the phone number, for which to set the trust.")
 794                 .required(true);
 795         MutuallyExclusiveGroup mutTrust = parserTrust.addMutuallyExclusiveGroup();
 796         mutTrust.addArgument("-a", "--trust-all-known-keys")
 797                 .help("Trust all known keys of this user, only use this for testing.")
 798                 .action(Arguments.storeTrue());
 799         mutTrust.addArgument("-v", "--verified-fingerprint")
 800                 .help("Specify the fingerprint of the key, only use this option if you have verified the fingerprint.");
 801
 802         Subparser parserReceive = subparsers.addParser("receive");
 803         parserReceive.addArgument("-t", "--timeout")
 804                 .type(double.class)
 805                 .help("Number of seconds to wait for new messages (negative values disable timeout)");
 806         parserReceive.addArgument("--ignore-attachments")
 807                 .help("Don’t download attachments of received messages.")
 808                 .action(Arguments.storeTrue());
 809
 810         Subparser parserDaemon = subparsers.addParser("daemon");
 811         parserDaemon.addArgument("--system")
 812                 .action(Arguments.storeTrue())
 813                 .help("Use DBus system bus instead of user bus.");
 814         parserDaemon.addArgument("--ignore-attachments")
 815                 .help("Don’t download attachments of received messages.")
 816                 .action(Arguments.storeTrue());
 817
 818         try {
 819             Namespace ns = parser.parseArgs(args);
 820             if ("link".equals(ns.getString("command"))) {
 821                 if (ns.getString("username") != null) {
 822                     parser.printUsage();
 823                     System.err.println("You cannot specify a username (phone number) when linking");
 824                     System.exit(2);
 825                 }
 826             } else if (!ns.getBoolean("dbus") && !ns.getBoolean("dbus_system")) {
 827                 if (ns.getString("username") == null) {
 828                     parser.printUsage();
 829                     System.err.println("You need to specify a username (phone number)");
 830                     System.exit(2);
 831                 }
 832                 if (!PhoneNumberFormatter.isValidNumber(ns.getString("username"))) {
 833                     System.err.println("Invalid username (phone number), make sure you include the country code.");
 834                     System.exit(2);
 835                 }
 836             }
 837             if (ns.getList("recipient") != null && !ns.getList("recipient").isEmpty() && ns.getString("group") != null) {
 838                 System.err.println("You cannot specify recipients by phone number and groups a the same time");
 839                 System.exit(2);
 840             }
 841             return ns;
 842         } catch (ArgumentParserException e) {
 843             parser.handleError(e);
 844             return null;
 845         }
 846     }
 847
 848     private static void handleAssertionError(AssertionError e) {
 849         System.err.println("Failed to send/receive message (Assertion): " + e.getMessage());
 850         e.printStackTrace();
 851         System.err.println("If you use an Oracle JRE please check if you have unlimited strength crypto enabled, see README");
 852     }
 853
 854     private static void handleEncapsulatedExceptions(EncapsulatedExceptions e) {
 855         System.err.println("Failed to send (some) messages:");
 856         for (NetworkFailureException n : e.getNetworkExceptions()) {
 857             System.err.println("Network failure for \"" + n.getE164number() + "\": " + n.getMessage());
 858         }
 859         for (UnregisteredUserException n : e.getUnregisteredUserExceptions()) {
 860             System.err.println("Unregistered user \"" + n.getE164Number() + "\": " + n.getMessage());
 861         }
 862         for (UntrustedIdentityException n : e.getUntrustedIdentityExceptions()) {
 863             System.err.println("Untrusted Identity for \"" + n.getE164Number() + "\": " + n.getMessage());
 864         }
 865     }
 866
 867     private static void handleIOException(IOException e) {
 868         System.err.println("Failed to send message: " + e.getMessage());
 869     }
 870
 871     private static String readAll(InputStream in) throws IOException {
 872         StringWriter output = new StringWriter();
 873         byte[] buffer = new byte[4096];
 874         long count = 0;
 875         int n;
 876         while (-1 != (n = System.in.read(buffer))) {
 877             output.write(new String(buffer, 0, n, Charset.defaultCharset()));
 878             count += n;
 879         }
 880         return output.toString();
 881     }
 882
 883     private static class ReceiveMessageHandler implements Manager.ReceiveMessageHandler {
 884         final Manager m;
 885
 886         public ReceiveMessageHandler(Manager m) {
 887             this.m = m;
 888         }
 889
 890         @Override
 891         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
 892             SignalServiceAddress source = envelope.getSourceAddress();
 893             ContactInfo sourceContact = m.getContact(source.getNumber());
 894             System.out.println(String.format("Envelope from: %s (device: %d)", (sourceContact == null ? "" : "“" + sourceContact.name + "” ") + source.getNumber(), envelope.getSourceDevice()));
 895             if (source.getRelay().isPresent()) {
 896                 System.out.println("Relayed by: " + source.getRelay().get());
 897             }
 898             System.out.println("Timestamp: " + formatTimestamp(envelope.getTimestamp()));
 899
 900             if (envelope.isReceipt()) {
 901                 System.out.println("Got receipt.");
 902             } else if (envelope.isSignalMessage() | envelope.isPreKeySignalMessage()) {
 903                 if (exception != null) {
 904                     if (exception instanceof org.whispersystems.libsignal.UntrustedIdentityException) {
 905                         org.whispersystems.libsignal.UntrustedIdentityException e = (org.whispersystems.libsignal.UntrustedIdentityException) exception;
 906                         System.out.println("The user’s key is untrusted, either the user has reinstalled Signal or a third party sent this message.");
 907                         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");
 908                         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");
 909                     } else {
 910                         System.out.println("Exception: " + exception.getMessage() + " (" + exception.getClass().getSimpleName() + ")");
 911                     }
 912                 }
 913                 if (content == null) {
 914                     System.out.println("Failed to decrypt message.");
 915                 } else {
 916                     if (content.getDataMessage().isPresent()) {
 917                         SignalServiceDataMessage message = content.getDataMessage().get();
 918                         handleSignalServiceDataMessage(message);
 919                     }
 920                     if (content.getSyncMessage().isPresent()) {
 921                         System.out.println("Received a sync message");
 922                         SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
 923
 924                         if (syncMessage.getContacts().isPresent()) {
 925                             System.out.println("Received sync contacts");
 926                             printAttachment(syncMessage.getContacts().get());
 927                         }
 928                         if (syncMessage.getGroups().isPresent()) {
 929                             System.out.println("Received sync groups");
 930                             printAttachment(syncMessage.getGroups().get());
 931                         }
 932                         if (syncMessage.getRead().isPresent()) {
 933                             System.out.println("Received sync read messages list");
 934                             for (ReadMessage rm : syncMessage.getRead().get()) {
 935                                 ContactInfo fromContact = m.getContact(rm.getSender());
 936                                 System.out.println("From: " + (fromContact == null ? "" : "“" + fromContact.name + "” ") + rm.getSender() + " Message timestamp: " + formatTimestamp(rm.getTimestamp()));
 937                             }
 938                         }
 939                         if (syncMessage.getRequest().isPresent()) {
 940                             System.out.println("Received sync request");
 941                             if (syncMessage.getRequest().get().isContactsRequest()) {
 942                                 System.out.println(" - contacts request");
 943                             }
 944                             if (syncMessage.getRequest().get().isGroupsRequest()) {
 945                                 System.out.println(" - groups request");
 946                             }
 947                         }
 948                         if (syncMessage.getSent().isPresent()) {
 949                             System.out.println("Received sync sent message");
 950                             final SentTranscriptMessage sentTranscriptMessage = syncMessage.getSent().get();
 951                             String to;
 952                             if (sentTranscriptMessage.getDestination().isPresent()) {
 953                                 String dest = sentTranscriptMessage.getDestination().get();
 954                                 ContactInfo destContact = m.getContact(dest);
 955                                 to = (destContact == null ? "" : "“" + destContact.name + "” ") + dest;
 956                             } else {
 957                                 to = "Unknown";
 958                             }
 959                             System.out.println("To: " + to + " , Message timestamp: " + formatTimestamp(sentTranscriptMessage.getTimestamp()));
 960                             if (sentTranscriptMessage.getExpirationStartTimestamp() > 0) {
 961                                 System.out.println("Expiration started at: " + formatTimestamp(sentTranscriptMessage.getExpirationStartTimestamp()));
 962                             }
 963                             SignalServiceDataMessage message = sentTranscriptMessage.getMessage();
 964                             handleSignalServiceDataMessage(message);
 965                         }
 966                         if (syncMessage.getBlockedList().isPresent()) {
 967                             System.out.println("Received sync message with block list");
 968                             System.out.println("Blocked numbers:");
 969                             final BlockedListMessage blockedList = syncMessage.getBlockedList().get();
 970                             for (String number : blockedList.getNumbers()) {
 971                                 System.out.println(" - " + number);
 972                             }
 973                         }
 974                     }
 975                 }
 976             } else {
 977                 System.out.println("Unknown message received.");
 978             }
 979             System.out.println();
 980         }
 981
 982         private void handleSignalServiceDataMessage(SignalServiceDataMessage message) {
 983             System.out.println("Message timestamp: " + formatTimestamp(message.getTimestamp()));
 984
 985             if (message.getBody().isPresent()) {
 986                 System.out.println("Body: " + message.getBody().get());
 987             }
 988             if (message.getGroupInfo().isPresent()) {
 989                 SignalServiceGroup groupInfo = message.getGroupInfo().get();
 990                 System.out.println("Group info:");
 991                 System.out.println("  Id: " + Base64.encodeBytes(groupInfo.getGroupId()));
 992                 if (groupInfo.getType() == SignalServiceGroup.Type.UPDATE && groupInfo.getName().isPresent()) {
 993                     System.out.println("  Name: " + groupInfo.getName().get());
 994                 } else {
 995                     GroupInfo group = m.getGroup(groupInfo.getGroupId());
 996                     if (group != null) {
 997                         System.out.println("  Name: " + group.name);
 998                     } else {
 999                         System.out.println("  Name: <Unknown group>");
1000                     }
1001                 }
1002                 System.out.println("  Type: " + groupInfo.getType());
1003                 if (groupInfo.getMembers().isPresent()) {
1004                     for (String member : groupInfo.getMembers().get()) {
1005                         System.out.println("  Member: " + member);
1006                     }
1007                 }
1008                 if (groupInfo.getAvatar().isPresent()) {
1009                     System.out.println("  Avatar:");
1010                     printAttachment(groupInfo.getAvatar().get());
1011                 }
1012             }
1013             if (message.isEndSession()) {
1014                 System.out.println("Is end session");
1015             }
1016             if (message.isExpirationUpdate()) {
1017                 System.out.println("Is Expiration update: " + message.isExpirationUpdate());
1018             }
1019             if (message.getExpiresInSeconds() > 0) {
1020                 System.out.println("Expires in: " + message.getExpiresInSeconds() + " seconds");
1021             }
1022
1023             if (message.getAttachments().isPresent()) {
1024                 System.out.println("Attachments: ");
1025                 for (SignalServiceAttachment attachment : message.getAttachments().get()) {
1026                     printAttachment(attachment);
1027                 }
1028             }
1029         }
1030
1031         private void printAttachment(SignalServiceAttachment attachment) {
1032             System.out.println("- " + attachment.getContentType() + " (" + (attachment.isPointer() ? "Pointer" : "") + (attachment.isStream() ? "Stream" : "") + ")");
1033             if (attachment.isPointer()) {
1034                 final SignalServiceAttachmentPointer pointer = attachment.asPointer();
1035                 System.out.println("  Id: " + pointer.getId() + " Key length: " + pointer.getKey().length + (pointer.getRelay().isPresent() ? " Relay: " + pointer.getRelay().get() : ""));
1036                 System.out.println("  Size: " + (pointer.getSize().isPresent() ? pointer.getSize().get() + " bytes" : "<unavailable>") + (pointer.getPreview().isPresent() ? " (Preview is available: " + pointer.getPreview().get().length + " bytes)" : ""));
1037                 File file = m.getAttachmentFile(pointer.getId());
1038                 if (file.exists()) {
1039                     System.out.println("  Stored plaintext in: " + file);
1040                 }
1041             }
1042         }
1043     }
1044
1045     private static class DbusReceiveMessageHandler extends ReceiveMessageHandler {
1046         final DBusConnection conn;
1047
1048         public DbusReceiveMessageHandler(Manager m, DBusConnection conn) {
1049             super(m);
1050             this.conn = conn;
1051         }
1052
1053         @Override
1054         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
1055             super.handleMessage(envelope, content, exception);
1056
1057             if (!envelope.isReceipt() && content != null && content.getDataMessage().isPresent()) {
1058                 SignalServiceDataMessage message = content.getDataMessage().get();
1059
1060                 if (!message.isEndSession() &&
1061                         !(message.getGroupInfo().isPresent() &&
1062                                 message.getGroupInfo().get().getType() != SignalServiceGroup.Type.DELIVER)) {
1063                     List<String> attachments = new ArrayList<>();
1064                     if (message.getAttachments().isPresent()) {
1065                         for (SignalServiceAttachment attachment : message.getAttachments().get()) {
1066                             if (attachment.isPointer()) {
1067                                 attachments.add(m.getAttachmentFile(attachment.asPointer().getId()).getAbsolutePath());
1068                             }
1069                         }
1070                     }
1071
1072                     try {
1073                         conn.sendSignal(new Signal.MessageReceived(
1074                                 SIGNAL_OBJECTPATH,
1075                                 message.getTimestamp(),
1076                                 envelope.getSource(),
1077                                 message.getGroupInfo().isPresent() ? message.getGroupInfo().get().getGroupId() : new byte[0],
1078                                 message.getBody().isPresent() ? message.getBody().get() : "",
1079                                 attachments));
1080                     } catch (DBusException e) {
1081                         e.printStackTrace();
1082                     }
1083                 }
1084             }
1085         }
1086
1087     }
1088
1089     private static String formatTimestamp(long timestamp) {
1090         Date date = new Date(timestamp);
1091         final DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"); // Quoted "Z" to indicate UTC, no timezone offset
1092         df.setTimeZone(tzUTC);
1093         return timestamp + " (" + df.format(date) + ")";
1094     }
1095 }