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.asamk.signal.storage.contacts.ContactInfo;
  25 import org.asamk.signal.storage.groups.GroupInfo;
  26 import org.asamk.signal.storage.protocol.JsonIdentityKeyStore;
  27 import org.asamk.signal.util.Base64;
  28 import org.asamk.signal.util.Hex;
  29 import org.freedesktop.dbus.DBusConnection;
  30 import org.freedesktop.dbus.DBusSigHandler;
  31 import org.freedesktop.dbus.exceptions.DBusException;
  32 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  33 import org.whispersystems.libsignal.InvalidKeyException;
  34 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
  35 import org.whispersystems.signalservice.api.messages.*;
  36 import org.whispersystems.signalservice.api.messages.multidevice.*;
  37 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  38 import org.whispersystems.signalservice.api.push.exceptions.EncapsulatedExceptions;
  39 import org.whispersystems.signalservice.api.push.exceptions.NetworkFailureException;
  40 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
  41 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  42
  43 import java.io.File;
  44 import java.io.IOException;
  45 import java.io.InputStream;
  46 import java.io.StringWriter;
  47 import java.net.URI;
  48 import java.net.URISyntaxException;
  49 import java.nio.charset.Charset;
  50 import java.security.Security;
  51 import java.text.DateFormat;
  52 import java.text.SimpleDateFormat;
  53 import java.util.*;
  54 import java.util.concurrent.TimeUnit;
  55 import java.util.concurrent.TimeoutException;
  56
  57 public class Main {
  58
  59     public static final String SIGNAL_BUSNAME = "org.asamk.Signal";
  60     public static final String SIGNAL_OBJECTPATH = "/org/asamk/Signal";
  61
  62     private static final TimeZone tzUTC = TimeZone.getTimeZone("UTC");
  63
  64     public static void main(String[] args) {
  65         // Workaround for BKS truststore
  66         Security.insertProviderAt(new org.bouncycastle.jce.provider.BouncyCastleProvider(), 1);
  67
  68         Namespace ns = parseArgs(args);
  69         if (ns == null) {
  70             System.exit(1);
  71         }
  72
  73         int res = handleCommands(ns);
  74         System.exit(res);
  75     }
  76
  77     private static int handleCommands(Namespace ns) {
  78         final String username = ns.getString("username");
  79         Manager m;
  80         Signal ts;
  81         DBusConnection dBusConn = null;
  82         try {
  83             if (ns.getBoolean("dbus") || ns.getBoolean("dbus_system")) {
  84                 try {
  85                     m = null;
  86                     int busType;
  87                     if (ns.getBoolean("dbus_system")) {
  88                         busType = DBusConnection.SYSTEM;
  89                     } else {
  90                         busType = DBusConnection.SESSION;
  91                     }
  92                     dBusConn = DBusConnection.getConnection(busType);
  93                     ts = (Signal) dBusConn.getRemoteObject(
  94                             SIGNAL_BUSNAME, SIGNAL_OBJECTPATH,
  95                             Signal.class);
  96                 } catch (UnsatisfiedLinkError e) {
  97                     System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
  98                     return 1;
  99                 } catch (DBusException e) {
 100                     e.printStackTrace();
 101                     if (dBusConn != null) {
 102                         dBusConn.disconnect();
 103                     }
 104                     return 3;
 105                 }
 106             } else {
 107                 String settingsPath = ns.getString("config");
 108                 if (TextUtils.isEmpty(settingsPath)) {
 109                     settingsPath = System.getProperty("user.home") + "/.config/signal";
 110                     if (!new File(settingsPath).exists()) {
 111                         String legacySettingsPath = System.getProperty("user.home") + "/.config/textsecure";
 112                         if (new File(legacySettingsPath).exists()) {
 113                             settingsPath = legacySettingsPath;
 114                         }
 115                     }
 116                 }
 117
 118                 m = new Manager(username, settingsPath);
 119                 ts = m;
 120                 if (m.userExists()) {
 121                     try {
 122                         m.init();
 123                     } catch (Exception e) {
 124                         System.err.println("Error loading state file \"" + m.getFileName() + "\": " + e.getMessage());
 125                         return 2;
 126                     }
 127                 }
 128             }
 129
 130             switch (ns.getString("command")) {
 131                 case "register":
 132                     if (dBusConn != null) {
 133                         System.err.println("register is not yet implemented via dbus");
 134                         return 1;
 135                     }
 136                     if (!m.userHasKeys()) {
 137                         m.createNewIdentity();
 138                     }
 139                     try {
 140                         m.register(ns.getBoolean("voice"));
 141                     } catch (IOException e) {
 142                         System.err.println("Request verify error: " + e.getMessage());
 143                         return 3;
 144                     }
 145                     break;
 146                 case "unregister":
 147                     if (dBusConn != null) {
 148                         System.err.println("unregister is not yet implemented via dbus");
 149                         return 1;
 150                     }
 151                     if (!m.isRegistered()) {
 152                         System.err.println("User is not registered.");
 153                         return 1;
 154                     }
 155                     try {
 156                         m.unregister();
 157                     } catch (IOException e) {
 158                         System.err.println("Unregister error: " + e.getMessage());
 159                         return 3;
 160                     }
 161                     break;
 162                 case "updateAccount":
 163                     if (dBusConn != null) {
 164                         System.err.println("updateAccount is not yet implemented via dbus");
 165                         return 1;
 166                     }
 167                     if (!m.isRegistered()) {
 168                         System.err.println("User is not registered.");
 169                         return 1;
 170                     }
 171                     try {
 172                         m.updateAccountAttributes();
 173                     } catch (IOException e) {
 174                         System.err.println("UpdateAccount error: " + e.getMessage());
 175                         return 3;
 176                     }
 177                     break;
 178                 case "verify":
 179                     if (dBusConn != null) {
 180                         System.err.println("verify is not yet implemented via dbus");
 181                         return 1;
 182                     }
 183                     if (!m.userHasKeys()) {
 184                         System.err.println("User has no keys, first call register.");
 185                         return 1;
 186                     }
 187                     if (m.isRegistered()) {
 188                         System.err.println("User registration is already verified");
 189                         return 1;
 190                     }
 191                     try {
 192                         m.verifyAccount(ns.getString("verificationCode"));
 193                     } catch (IOException e) {
 194                         System.err.println("Verify error: " + e.getMessage());
 195                         return 3;
 196                     }
 197                     break;
 198                 case "link":
 199                     if (dBusConn != null) {
 200                         System.err.println("link is not yet implemented via dbus");
 201                         return 1;
 202                     }
 203
 204                     // When linking, username is null and we always have to create keys
 205                     m.createNewIdentity();
 206
 207                     String deviceName = ns.getString("name");
 208                     if (deviceName == null) {
 209                         deviceName = "cli";
 210                     }
 211                     try {
 212                         System.out.println(m.getDeviceLinkUri());
 213                         m.finishDeviceLink(deviceName);
 214                         System.out.println("Associated with: " + m.getUsername());
 215                     } catch (TimeoutException e) {
 216                         System.err.println("Link request timed out, please try again.");
 217                         return 3;
 218                     } catch (IOException e) {
 219                         System.err.println("Link request error: " + e.getMessage());
 220                         return 3;
 221                     } catch (AssertionError e) {
 222                         handleAssertionError(e);
 223                         return 1;
 224                     } catch (InvalidKeyException e) {
 225                         e.printStackTrace();
 226                         return 2;
 227                     } catch (UserAlreadyExists e) {
 228                         System.err.println("The user " + e.getUsername() + " already exists\nDelete \"" + e.getFileName() + "\" before trying again.");
 229                         return 1;
 230                     }
 231                     break;
 232                 case "addDevice":
 233                     if (dBusConn != null) {
 234                         System.err.println("link 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                         m.addDeviceLink(new URI(ns.getString("uri")));
 243                     } catch (IOException e) {
 244                         e.printStackTrace();
 245                         return 3;
 246                     } catch (InvalidKeyException e) {
 247                         e.printStackTrace();
 248                         return 2;
 249                     } catch (AssertionError e) {
 250                         handleAssertionError(e);
 251                         return 1;
 252                     } catch (URISyntaxException e) {
 253                         e.printStackTrace();
 254                         return 2;
 255                     }
 256                     break;
 257                 case "listDevices":
 258                     if (dBusConn != null) {
 259                         System.err.println("listDevices is not yet implemented via dbus");
 260                         return 1;
 261                     }
 262                     if (!m.isRegistered()) {
 263                         System.err.println("User is not registered.");
 264                         return 1;
 265                     }
 266                     try {
 267                         List<DeviceInfo> devices = m.getLinkedDevices();
 268                         for (DeviceInfo d : devices) {
 269                             System.out.println("Device " + d.getId() + (d.getId() == m.getDeviceId() ? " (this device)" : "") + ":");
 270                             System.out.println(" Name: " + d.getName());
 271                             System.out.println(" Created: " + formatTimestamp(d.getCreated()));
 272                             System.out.println(" Last seen: " + formatTimestamp(d.getLastSeen()));
 273                         }
 274                     } catch (IOException e) {
 275                         e.printStackTrace();
 276                         return 3;
 277                     }
 278                     break;
 279                 case "removeDevice":
 280                     if (dBusConn != null) {
 281                         System.err.println("removeDevice is not yet implemented via dbus");
 282                         return 1;
 283                     }
 284                     if (!m.isRegistered()) {
 285                         System.err.println("User is not registered.");
 286                         return 1;
 287                     }
 288                     try {
 289                         int deviceId = ns.getInt("deviceId");
 290                         m.removeLinkedDevices(deviceId);
 291                     } catch (IOException e) {
 292                         e.printStackTrace();
 293                         return 3;
 294                     }
 295                     break;
 296                 case "send":
 297                     if (dBusConn == null && !m.isRegistered()) {
 298                         System.err.println("User is not registered.");
 299                         return 1;
 300                     }
 301
 302                     if (ns.getBoolean("endsession")) {
 303                         if (ns.getList("recipient") == null) {
 304                             System.err.println("No recipients given");
 305                             System.err.println("Aborting sending.");
 306                             return 1;
 307                         }
 308                         try {
 309                             ts.sendEndSessionMessage(ns.<String>getList("recipient"));
 310                         } catch (IOException e) {
 311                             handleIOException(e);
 312                             return 3;
 313                         } catch (EncapsulatedExceptions e) {
 314                             handleEncapsulatedExceptions(e);
 315                             return 3;
 316                         } catch (AssertionError e) {
 317                             handleAssertionError(e);
 318                             return 1;
 319                         } catch (DBusExecutionException e) {
 320                             handleDBusExecutionException(e);
 321                             return 1;
 322                         }
 323                     } else {
 324                         String messageText = ns.getString("message");
 325                         if (messageText == null) {
 326                             try {
 327                                 messageText = readAll(System.in);
 328                             } catch (IOException e) {
 329                                 System.err.println("Failed to read message from stdin: " + e.getMessage());
 330                                 System.err.println("Aborting sending.");
 331                                 return 1;
 332                             }
 333                         }
 334
 335                         try {
 336                             List<String> attachments = ns.getList("attachment");
 337                             if (attachments == null) {
 338                                 attachments = new ArrayList<>();
 339                             }
 340                             if (ns.getString("group") != null) {
 341                                 byte[] groupId = decodeGroupId(ns.getString("group"));
 342                                 ts.sendGroupMessage(messageText, attachments, groupId);
 343                             } else {
 344                                 ts.sendMessage(messageText, attachments, ns.<String>getList("recipient"));
 345                             }
 346                         } catch (IOException e) {
 347                             handleIOException(e);
 348                             return 3;
 349                         } catch (EncapsulatedExceptions e) {
 350                             handleEncapsulatedExceptions(e);
 351                             return 3;
 352                         } catch (AssertionError e) {
 353                             handleAssertionError(e);
 354                             return 1;
 355                         } catch (GroupNotFoundException e) {
 356                             handleGroupNotFoundException(e);
 357                             return 1;
 358                         } catch (NotAGroupMemberException e) {
 359                             handleNotAGroupMemberException(e);
 360                             return 1;
 361                         } catch (AttachmentInvalidException e) {
 362                             System.err.println("Failed to add attachment: " + e.getMessage());
 363                             System.err.println("Aborting sending.");
 364                             return 1;
 365                         } catch (DBusExecutionException e) {
 366                             handleDBusExecutionException(e);
 367                             return 1;
 368                         }
 369                     }
 370
 371                     break;
 372                 case "receive":
 373                     if (dBusConn != null) {
 374                         try {
 375                             dBusConn.addSigHandler(Signal.MessageReceived.class, new DBusSigHandler<Signal.MessageReceived>() {
 376                                 @Override
 377                                 public void handle(Signal.MessageReceived s) {
 378                                     System.out.print(String.format("Envelope from: %s\nTimestamp: %s\nBody: %s\n",
 379                                             s.getSender(), formatTimestamp(s.getTimestamp()), s.getMessage()));
 380                                     if (s.getGroupId().length > 0) {
 381                                         System.out.println("Group info:");
 382                                         System.out.println("  Id: " + Base64.encodeBytes(s.getGroupId()));
 383                                     }
 384                                     if (s.getAttachments().size() > 0) {
 385                                         System.out.println("Attachments: ");
 386                                         for (String attachment : s.getAttachments()) {
 387                                             System.out.println("-  Stored plaintext in: " + attachment);
 388                                         }
 389                                     }
 390                                     System.out.println();
 391                                 }
 392                             });
 393                         } catch (UnsatisfiedLinkError e) {
 394                             System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
 395                             return 1;
 396                         } catch (DBusException e) {
 397                             e.printStackTrace();
 398                             return 1;
 399                         }
 400                         while (true) {
 401                             try {
 402                                 Thread.sleep(10000);
 403                             } catch (InterruptedException e) {
 404                                 return 0;
 405                             }
 406                         }
 407                     }
 408                     if (!m.isRegistered()) {
 409                         System.err.println("User is not registered.");
 410                         return 1;
 411                     }
 412                     double timeout = 5;
 413                     if (ns.getDouble("timeout") != null) {
 414                         timeout = ns.getDouble("timeout");
 415                     }
 416                     boolean returnOnTimeout = true;
 417                     if (timeout < 0) {
 418                         returnOnTimeout = false;
 419                         timeout = 3600;
 420                     }
 421                     boolean ignoreAttachments = ns.getBoolean("ignore_attachments");
 422                     try {
 423                         m.receiveMessages((long) (timeout * 1000), TimeUnit.MILLISECONDS, returnOnTimeout, ignoreAttachments, new ReceiveMessageHandler(m));
 424                     } catch (IOException e) {
 425                         System.err.println("Error while receiving messages: " + e.getMessage());
 426                         return 3;
 427                     } catch (AssertionError e) {
 428                         handleAssertionError(e);
 429                         return 1;
 430                     }
 431                     break;
 432                 case "quitGroup":
 433                     if (dBusConn != null) {
 434                         System.err.println("quitGroup is not yet implemented via dbus");
 435                         return 1;
 436                     }
 437                     if (!m.isRegistered()) {
 438                         System.err.println("User is not registered.");
 439                         return 1;
 440                     }
 441
 442                     try {
 443                         m.sendQuitGroupMessage(decodeGroupId(ns.getString("group")));
 444                     } catch (IOException e) {
 445                         handleIOException(e);
 446                         return 3;
 447                     } catch (EncapsulatedExceptions e) {
 448                         handleEncapsulatedExceptions(e);
 449                         return 3;
 450                     } catch (AssertionError e) {
 451                         handleAssertionError(e);
 452                         return 1;
 453                     } catch (GroupNotFoundException e) {
 454                         handleGroupNotFoundException(e);
 455                         return 1;
 456                     } catch (NotAGroupMemberException e) {
 457                         handleNotAGroupMemberException(e);
 458                         return 1;
 459                     }
 460
 461                     break;
 462                 case "updateGroup":
 463                     if (dBusConn == null && !m.isRegistered()) {
 464                         System.err.println("User is not registered.");
 465                         return 1;
 466                     }
 467
 468                     try {
 469                         byte[] groupId = null;
 470                         if (ns.getString("group") != null) {
 471                             groupId = decodeGroupId(ns.getString("group"));
 472                         }
 473                         if (groupId == null) {
 474                             groupId = new byte[0];
 475                         }
 476                         String groupName = ns.getString("name");
 477                         if (groupName == null) {
 478                             groupName = "";
 479                         }
 480                         List<String> groupMembers = ns.<String>getList("member");
 481                         if (groupMembers == null) {
 482                             groupMembers = new ArrayList<String>();
 483                         }
 484                         String groupAvatar = ns.getString("avatar");
 485                         if (groupAvatar == null) {
 486                             groupAvatar = "";
 487                         }
 488                         byte[] newGroupId = ts.updateGroup(groupId, groupName, groupMembers, groupAvatar);
 489                         if (groupId.length != newGroupId.length) {
 490                             System.out.println("Creating new group \"" + Base64.encodeBytes(newGroupId) + "\" …");
 491                         }
 492                     } catch (IOException e) {
 493                         handleIOException(e);
 494                         return 3;
 495                     } catch (AttachmentInvalidException e) {
 496                         System.err.println("Failed to add avatar attachment for group\": " + e.getMessage());
 497                         System.err.println("Aborting sending.");
 498                         return 1;
 499                     } catch (GroupNotFoundException e) {
 500                         handleGroupNotFoundException(e);
 501                         return 1;
 502                     } catch (NotAGroupMemberException e) {
 503                         handleNotAGroupMemberException(e);
 504                         return 1;
 505                     } catch (EncapsulatedExceptions e) {
 506                         handleEncapsulatedExceptions(e);
 507                         return 3;
 508                     }
 509
 510                     break;
 511                 case "listGroups":
 512                     if (dBusConn != null) {
 513                         System.err.println("listGroups 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
 521                     List<GroupInfo> groups = m.getGroups();
 522                     boolean detailed = ns.getBoolean("detailed");
 523
 524                     for (GroupInfo group : groups) {
 525                         printGroup(group, detailed);
 526                     }
 527                     break;
 528                 case "listIdentities":
 529                     if (dBusConn != null) {
 530                         System.err.println("listIdentities is not yet implemented via dbus");
 531                         return 1;
 532                     }
 533                     if (!m.isRegistered()) {
 534                         System.err.println("User is not registered.");
 535                         return 1;
 536                     }
 537                     if (ns.get("number") == null) {
 538                         for (Map.Entry<String, List<JsonIdentityKeyStore.Identity>> keys : m.getIdentities().entrySet()) {
 539                             for (JsonIdentityKeyStore.Identity id : keys.getValue()) {
 540                                 printIdentityFingerprint(m, keys.getKey(), id);
 541                             }
 542                         }
 543                     } else {
 544                         String number = ns.getString("number");
 545                         for (JsonIdentityKeyStore.Identity id : m.getIdentities(number)) {
 546                             printIdentityFingerprint(m, number, id);
 547                         }
 548                     }
 549                     break;
 550                 case "trust":
 551                     if (dBusConn != null) {
 552                         System.err.println("trust is not yet implemented via dbus");
 553                         return 1;
 554                     }
 555                     if (!m.isRegistered()) {
 556                         System.err.println("User is not registered.");
 557                         return 1;
 558                     }
 559                     String number = ns.getString("number");
 560                     if (ns.getBoolean("trust_all_known_keys")) {
 561                         boolean res = m.trustIdentityAllKeys(number);
 562                         if (!res) {
 563                             System.err.println("Failed to set the trust for this number, make sure the number is correct.");
 564                             return 1;
 565                         }
 566                     } else {
 567                         String fingerprint = ns.getString("verified_fingerprint");
 568                         if (fingerprint != null) {
 569                             fingerprint = fingerprint.replaceAll(" ", "");
 570                             if (fingerprint.length() == 66) {
 571                                 byte[] fingerprintBytes;
 572                                 try {
 573                                     fingerprintBytes = Hex.toByteArray(fingerprint.toLowerCase(Locale.ROOT));
 574                                 } catch (Exception e) {
 575                                     System.err.println("Failed to parse the fingerprint, make sure the fingerprint is a correctly encoded hex string without additional characters.");
 576                                     return 1;
 577                                 }
 578                                 boolean res = m.trustIdentityVerified(number, fingerprintBytes);
 579                                 if (!res) {
 580                                     System.err.println("Failed to set the trust for the fingerprint of this number, make sure the number and the fingerprint are correct.");
 581                                     return 1;
 582                                 }
 583                             } else if (fingerprint.length() == 60) {
 584                                 boolean res = m.trustIdentityVerifiedSafetyNumber(number, fingerprint);
 585                                 if (!res) {
 586                                     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.");
 587                                     return 1;
 588                                 }
 589                             } else {
 590                                 System.err.println("Fingerprint has invalid format, either specify the old hex fingerprint or the new safety number");
 591                                 return 1;
 592                             }
 593                         } else {
 594                             System.err.println("You need to specify the fingerprint you have verified with -v FINGERPRINT");
 595                             return 1;
 596                         }
 597                     }
 598                     break;
 599                 case "daemon":
 600                     if (dBusConn != null) {
 601                         System.err.println("Stop it.");
 602                         return 1;
 603                     }
 604                     if (!m.isRegistered()) {
 605                         System.err.println("User is not registered.");
 606                         return 1;
 607                     }
 608                     DBusConnection conn = null;
 609                     try {
 610                         try {
 611                             int busType;
 612                             if (ns.getBoolean("system")) {
 613                                 busType = DBusConnection.SYSTEM;
 614                             } else {
 615                                 busType = DBusConnection.SESSION;
 616                             }
 617                             conn = DBusConnection.getConnection(busType);
 618                             conn.exportObject(SIGNAL_OBJECTPATH, m);
 619                             conn.requestBusName(SIGNAL_BUSNAME);
 620                         } catch (UnsatisfiedLinkError e) {
 621                             System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
 622                             return 1;
 623                         } catch (DBusException e) {
 624                             e.printStackTrace();
 625                             return 2;
 626                         }
 627                         ignoreAttachments = ns.getBoolean("ignore_attachments");
 628                         try {
 629                             m.receiveMessages(1, TimeUnit.HOURS, false, ignoreAttachments, new DbusReceiveMessageHandler(m, conn));
 630                         } catch (IOException e) {
 631                             System.err.println("Error while receiving messages: " + e.getMessage());
 632                             return 3;
 633                         } catch (AssertionError e) {
 634                             handleAssertionError(e);
 635                             return 1;
 636                         }
 637                     } finally {
 638                         if (conn != null) {
 639                             conn.disconnect();
 640                         }
 641                     }
 642
 643                     break;
 644             }
 645             return 0;
 646         } finally {
 647             if (dBusConn != null) {
 648                 dBusConn.disconnect();
 649             }
 650         }
 651     }
 652
 653     private static void printIdentityFingerprint(Manager m, String theirUsername, JsonIdentityKeyStore.Identity theirId) {
 654         String digits = formatSafetyNumber(m.computeSafetyNumber(theirUsername, theirId.getIdentityKey()));
 655         System.out.println(String.format("%s: %s Added: %s Fingerprint: %s Safety Number: %s", theirUsername,
 656                 theirId.getTrustLevel(), theirId.getDateAdded(), Hex.toStringCondensed(theirId.getFingerprint()), digits));
 657     }
 658
 659     private static void printGroup(GroupInfo group, boolean detailed) {
 660         if (detailed) {
 661             System.out.println(String.format("Id: %s Name: %s  Active: %s Members: %s",
 662                     Base64.encodeBytes(group.groupId), group.name, group.active, group.members));
 663         } else {
 664             System.out.println(String.format("Id: %s Name: %s  Active: %s", Base64.encodeBytes(group.groupId),
 665                     group.name, group.active));
 666         }
 667     }
 668
 669     private static String formatSafetyNumber(String digits) {
 670         final int partCount = 12;
 671         int partSize = digits.length() / partCount;
 672         StringBuilder f = new StringBuilder(digits.length() + partCount);
 673         for (int i = 0; i < partCount; i++) {
 674             f.append(digits.substring(i * partSize, (i * partSize) + partSize)).append(" ");
 675         }
 676         return f.toString();
 677     }
 678
 679     private static void handleGroupNotFoundException(GroupNotFoundException e) {
 680         System.err.println("Failed to send to group: " + e.getMessage());
 681         System.err.println("Aborting sending.");
 682     }
 683
 684     private static void handleNotAGroupMemberException(NotAGroupMemberException e) {
 685         System.err.println("Failed to send to group: " + e.getMessage());
 686         System.err.println("Update the group on another device to readd the user to this group.");
 687         System.err.println("Aborting sending.");
 688     }
 689
 690
 691     private static void handleDBusExecutionException(DBusExecutionException e) {
 692         System.err.println("Cannot connect to dbus: " + e.getMessage());
 693         System.err.println("Aborting.");
 694     }
 695
 696     private static byte[] decodeGroupId(String groupId) {
 697         try {
 698             return Base64.decode(groupId);
 699         } catch (IOException e) {
 700             System.err.println("Failed to decode groupId (must be base64) \"" + groupId + "\": " + e.getMessage());
 701             System.err.println("Aborting sending.");
 702             System.exit(1);
 703             return null;
 704         }
 705     }
 706
 707     private static Namespace parseArgs(String[] args) {
 708         ArgumentParser parser = ArgumentParsers.newArgumentParser("signal-cli")
 709                 .defaultHelp(true)
 710                 .description("Commandline interface for Signal.")
 711                 .version(Manager.PROJECT_NAME + " " + Manager.PROJECT_VERSION);
 712
 713         parser.addArgument("-v", "--version")
 714                 .help("Show package version.")
 715                 .action(Arguments.version());
 716         parser.addArgument("--config")
 717                 .help("Set the path, where to store the config (Default: $HOME/.config/signal).");
 718
 719         MutuallyExclusiveGroup mut = parser.addMutuallyExclusiveGroup();
 720         mut.addArgument("-u", "--username")
 721                 .help("Specify your phone number, that will be used for verification.");
 722         mut.addArgument("--dbus")
 723                 .help("Make request via user dbus.")
 724                 .action(Arguments.storeTrue());
 725         mut.addArgument("--dbus-system")
 726                 .help("Make request via system dbus.")
 727                 .action(Arguments.storeTrue());
 728
 729         Subparsers subparsers = parser.addSubparsers()
 730                 .title("subcommands")
 731                 .dest("command")
 732                 .description("valid subcommands")
 733                 .help("additional help");
 734
 735         Subparser parserLink = subparsers.addParser("link");
 736         parserLink.addArgument("-n", "--name")
 737                 .help("Specify a name to describe this new device.");
 738
 739         Subparser parserAddDevice = subparsers.addParser("addDevice");
 740         parserAddDevice.addArgument("--uri")
 741                 .required(true)
 742                 .help("Specify the uri contained in the QR code shown by the new device.");
 743
 744         Subparser parserDevices = subparsers.addParser("listDevices");
 745
 746         Subparser parserRemoveDevice = subparsers.addParser("removeDevice");
 747         parserRemoveDevice.addArgument("-d", "--deviceId")
 748                 .type(int.class)
 749                 .required(true)
 750                 .help("Specify the device you want to remove. Use listDevices to see the deviceIds.");
 751
 752         Subparser parserRegister = subparsers.addParser("register");
 753         parserRegister.addArgument("-v", "--voice")
 754                 .help("The verification should be done over voice, not sms.")
 755                 .action(Arguments.storeTrue());
 756
 757         Subparser parserUnregister = subparsers.addParser("unregister");
 758         parserUnregister.help("Unregister the current device from the signal server.");
 759
 760         Subparser parserUpdateAccount = subparsers.addParser("updateAccount");
 761         parserUpdateAccount.help("Update the account attributes on the signal server.");
 762
 763         Subparser parserVerify = subparsers.addParser("verify");
 764         parserVerify.addArgument("verificationCode")
 765                 .help("The verification code you received via sms or voice call.");
 766
 767         Subparser parserSend = subparsers.addParser("send");
 768         parserSend.addArgument("-g", "--group")
 769                 .help("Specify the recipient group ID.");
 770         parserSend.addArgument("recipient")
 771                 .help("Specify the recipients' phone number.")
 772                 .nargs("*");
 773         parserSend.addArgument("-m", "--message")
 774                 .help("Specify the message, if missing standard input is used.");
 775         parserSend.addArgument("-a", "--attachment")
 776                 .nargs("*")
 777                 .help("Add file as attachment");
 778         parserSend.addArgument("-e", "--endsession")
 779                 .help("Clear session state and send end session message.")
 780                 .action(Arguments.storeTrue());
 781
 782         Subparser parserLeaveGroup = subparsers.addParser("quitGroup");
 783         parserLeaveGroup.addArgument("-g", "--group")
 784                 .required(true)
 785                 .help("Specify the recipient group ID.");
 786
 787         Subparser parserUpdateGroup = subparsers.addParser("updateGroup");
 788         parserUpdateGroup.addArgument("-g", "--group")
 789                 .help("Specify the recipient group ID.");
 790         parserUpdateGroup.addArgument("-n", "--name")
 791                 .help("Specify the new group name.");
 792         parserUpdateGroup.addArgument("-a", "--avatar")
 793                 .help("Specify a new group avatar image file");
 794         parserUpdateGroup.addArgument("-m", "--member")
 795                 .nargs("*")
 796                 .help("Specify one or more members to add to the group");
 797
 798         Subparser parserListGroups = subparsers.addParser("listGroups");
 799         parserListGroups.addArgument("-d", "--detailed").action(Arguments.storeTrue())
 800                 .help("List members of each group");
 801         parserListGroups.help("List group name and ids");
 802
 803         Subparser parserListIdentities = subparsers.addParser("listIdentities");
 804         parserListIdentities.addArgument("-n", "--number")
 805                 .help("Only show identity keys for the given phone number.");
 806
 807         Subparser parserTrust = subparsers.addParser("trust");
 808         parserTrust.addArgument("number")
 809                 .help("Specify the phone number, for which to set the trust.")
 810                 .required(true);
 811         MutuallyExclusiveGroup mutTrust = parserTrust.addMutuallyExclusiveGroup();
 812         mutTrust.addArgument("-a", "--trust-all-known-keys")
 813                 .help("Trust all known keys of this user, only use this for testing.")
 814                 .action(Arguments.storeTrue());
 815         mutTrust.addArgument("-v", "--verified-fingerprint")
 816                 .help("Specify the fingerprint of the key, only use this option if you have verified the fingerprint.");
 817
 818         Subparser parserReceive = subparsers.addParser("receive");
 819         parserReceive.addArgument("-t", "--timeout")
 820                 .type(double.class)
 821                 .help("Number of seconds to wait for new messages (negative values disable timeout)");
 822         parserReceive.addArgument("--ignore-attachments")
 823                 .help("Don’t download attachments of received messages.")
 824                 .action(Arguments.storeTrue());
 825
 826         Subparser parserDaemon = subparsers.addParser("daemon");
 827         parserDaemon.addArgument("--system")
 828                 .action(Arguments.storeTrue())
 829                 .help("Use DBus system bus instead of user bus.");
 830         parserDaemon.addArgument("--ignore-attachments")
 831                 .help("Don’t download attachments of received messages.")
 832                 .action(Arguments.storeTrue());
 833
 834         try {
 835             Namespace ns = parser.parseArgs(args);
 836             if ("link".equals(ns.getString("command"))) {
 837                 if (ns.getString("username") != null) {
 838                     parser.printUsage();
 839                     System.err.println("You cannot specify a username (phone number) when linking");
 840                     System.exit(2);
 841                 }
 842             } else if (!ns.getBoolean("dbus") && !ns.getBoolean("dbus_system")) {
 843                 if (ns.getString("username") == null) {
 844                     parser.printUsage();
 845                     System.err.println("You need to specify a username (phone number)");
 846                     System.exit(2);
 847                 }
 848                 if (!PhoneNumberFormatter.isValidNumber(ns.getString("username"))) {
 849                     System.err.println("Invalid username (phone number), make sure you include the country code.");
 850                     System.exit(2);
 851                 }
 852             }
 853             if (ns.getList("recipient") != null && !ns.getList("recipient").isEmpty() && ns.getString("group") != null) {
 854                 System.err.println("You cannot specify recipients by phone number and groups a the same time");
 855                 System.exit(2);
 856             }
 857             return ns;
 858         } catch (ArgumentParserException e) {
 859             parser.handleError(e);
 860             return null;
 861         }
 862     }
 863
 864     private static void handleAssertionError(AssertionError e) {
 865         System.err.println("Failed to send/receive message (Assertion): " + e.getMessage());
 866         e.printStackTrace();
 867         System.err.println("If you use an Oracle JRE please check if you have unlimited strength crypto enabled, see README");
 868     }
 869
 870     private static void handleEncapsulatedExceptions(EncapsulatedExceptions e) {
 871         System.err.println("Failed to send (some) messages:");
 872         for (NetworkFailureException n : e.getNetworkExceptions()) {
 873             System.err.println("Network failure for \"" + n.getE164number() + "\": " + n.getMessage());
 874         }
 875         for (UnregisteredUserException n : e.getUnregisteredUserExceptions()) {
 876             System.err.println("Unregistered user \"" + n.getE164Number() + "\": " + n.getMessage());
 877         }
 878         for (UntrustedIdentityException n : e.getUntrustedIdentityExceptions()) {
 879             System.err.println("Untrusted Identity for \"" + n.getE164Number() + "\": " + n.getMessage());
 880         }
 881     }
 882
 883     private static void handleIOException(IOException e) {
 884         System.err.println("Failed to send message: " + e.getMessage());
 885     }
 886
 887     private static String readAll(InputStream in) throws IOException {
 888         StringWriter output = new StringWriter();
 889         byte[] buffer = new byte[4096];
 890         long count = 0;
 891         int n;
 892         while (-1 != (n = System.in.read(buffer))) {
 893             output.write(new String(buffer, 0, n, Charset.defaultCharset()));
 894             count += n;
 895         }
 896         return output.toString();
 897     }
 898
 899     private static class ReceiveMessageHandler implements Manager.ReceiveMessageHandler {
 900         final Manager m;
 901
 902         public ReceiveMessageHandler(Manager m) {
 903             this.m = m;
 904         }
 905
 906         @Override
 907         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
 908             SignalServiceAddress source = envelope.getSourceAddress();
 909             ContactInfo sourceContact = m.getContact(source.getNumber());
 910             System.out.println(String.format("Envelope from: %s (device: %d)", (sourceContact == null ? "" : "“" + sourceContact.name + "” ") + source.getNumber(), envelope.getSourceDevice()));
 911             if (source.getRelay().isPresent()) {
 912                 System.out.println("Relayed by: " + source.getRelay().get());
 913             }
 914             System.out.println("Timestamp: " + formatTimestamp(envelope.getTimestamp()));
 915
 916             if (envelope.isReceipt()) {
 917                 System.out.println("Got receipt.");
 918             } else if (envelope.isSignalMessage() | envelope.isPreKeySignalMessage()) {
 919                 if (exception != null) {
 920                     if (exception instanceof org.whispersystems.libsignal.UntrustedIdentityException) {
 921                         org.whispersystems.libsignal.UntrustedIdentityException e = (org.whispersystems.libsignal.UntrustedIdentityException) exception;
 922                         System.out.println("The user’s key is untrusted, either the user has reinstalled Signal or a third party sent this message.");
 923                         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");
 924                         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");
 925                     } else {
 926                         System.out.println("Exception: " + exception.getMessage() + " (" + exception.getClass().getSimpleName() + ")");
 927                     }
 928                 }
 929                 if (content == null) {
 930                     System.out.println("Failed to decrypt message.");
 931                 } else {
 932                     if (content.getDataMessage().isPresent()) {
 933                         SignalServiceDataMessage message = content.getDataMessage().get();
 934                         handleSignalServiceDataMessage(message);
 935                     }
 936                     if (content.getSyncMessage().isPresent()) {
 937                         System.out.println("Received a sync message");
 938                         SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
 939
 940                         if (syncMessage.getContacts().isPresent()) {
 941                             final ContactsMessage contactsMessage = syncMessage.getContacts().get();
 942                             if (contactsMessage.isComplete()) {
 943                                 System.out.println("Received complete sync contacts");
 944                             } else {
 945                                 System.out.println("Received sync contacts");
 946                             }
 947                             printAttachment(contactsMessage.getContactsStream());
 948                         }
 949                         if (syncMessage.getGroups().isPresent()) {
 950                             System.out.println("Received sync groups");
 951                             printAttachment(syncMessage.getGroups().get());
 952                         }
 953                         if (syncMessage.getRead().isPresent()) {
 954                             System.out.println("Received sync read messages list");
 955                             for (ReadMessage rm : syncMessage.getRead().get()) {
 956                                 ContactInfo fromContact = m.getContact(rm.getSender());
 957                                 System.out.println("From: " + (fromContact == null ? "" : "“" + fromContact.name + "” ") + rm.getSender() + " Message timestamp: " + formatTimestamp(rm.getTimestamp()));
 958                             }
 959                         }
 960                         if (syncMessage.getRequest().isPresent()) {
 961                             System.out.println("Received sync request");
 962                             if (syncMessage.getRequest().get().isContactsRequest()) {
 963                                 System.out.println(" - contacts request");
 964                             }
 965                             if (syncMessage.getRequest().get().isGroupsRequest()) {
 966                                 System.out.println(" - groups request");
 967                             }
 968                         }
 969                         if (syncMessage.getSent().isPresent()) {
 970                             System.out.println("Received sync sent message");
 971                             final SentTranscriptMessage sentTranscriptMessage = syncMessage.getSent().get();
 972                             String to;
 973                             if (sentTranscriptMessage.getDestination().isPresent()) {
 974                                 String dest = sentTranscriptMessage.getDestination().get();
 975                                 ContactInfo destContact = m.getContact(dest);
 976                                 to = (destContact == null ? "" : "“" + destContact.name + "” ") + dest;
 977                             } else {
 978                                 to = "Unknown";
 979                             }
 980                             System.out.println("To: " + to + " , Message timestamp: " + formatTimestamp(sentTranscriptMessage.getTimestamp()));
 981                             if (sentTranscriptMessage.getExpirationStartTimestamp() > 0) {
 982                                 System.out.println("Expiration started at: " + formatTimestamp(sentTranscriptMessage.getExpirationStartTimestamp()));
 983                             }
 984                             SignalServiceDataMessage message = sentTranscriptMessage.getMessage();
 985                             handleSignalServiceDataMessage(message);
 986                         }
 987                         if (syncMessage.getBlockedList().isPresent()) {
 988                             System.out.println("Received sync message with block list");
 989                             System.out.println("Blocked numbers:");
 990                             final BlockedListMessage blockedList = syncMessage.getBlockedList().get();
 991                             for (String number : blockedList.getNumbers()) {
 992                                 System.out.println(" - " + number);
 993                             }
 994                         }
 995                         if (syncMessage.getVerified().isPresent()) {
 996                             System.out.println("Received sync message with verified identities:");
 997                             final List<VerifiedMessage> verifiedList = syncMessage.getVerified().get();
 998                             for (VerifiedMessage v : verifiedList) {
 999                                 System.out.println(" - " + v.getDestination() + ": " + v.getVerified());
1000                                 String safetyNumber = formatSafetyNumber(m.computeSafetyNumber(v.getDestination(), v.getIdentityKey()));
1001                                 System.out.println("   " + safetyNumber);
1002                             }
1003
1004                         }
1005                     }
1006                 }
1007             } else {
1008                 System.out.println("Unknown message received.");
1009             }
1010             System.out.println();
1011         }
1012
1013         private void handleSignalServiceDataMessage(SignalServiceDataMessage message) {
1014             System.out.println("Message timestamp: " + formatTimestamp(message.getTimestamp()));
1015
1016             if (message.getBody().isPresent()) {
1017                 System.out.println("Body: " + message.getBody().get());
1018             }
1019             if (message.getGroupInfo().isPresent()) {
1020                 SignalServiceGroup groupInfo = message.getGroupInfo().get();
1021                 System.out.println("Group info:");
1022                 System.out.println("  Id: " + Base64.encodeBytes(groupInfo.getGroupId()));
1023                 if (groupInfo.getType() == SignalServiceGroup.Type.UPDATE && groupInfo.getName().isPresent()) {
1024                     System.out.println("  Name: " + groupInfo.getName().get());
1025                 } else {
1026                     GroupInfo group = m.getGroup(groupInfo.getGroupId());
1027                     if (group != null) {
1028                         System.out.println("  Name: " + group.name);
1029                     } else {
1030                         System.out.println("  Name: <Unknown group>");
1031                     }
1032                 }
1033                 System.out.println("  Type: " + groupInfo.getType());
1034                 if (groupInfo.getMembers().isPresent()) {
1035                     for (String member : groupInfo.getMembers().get()) {
1036                         System.out.println("  Member: " + member);
1037                     }
1038                 }
1039                 if (groupInfo.getAvatar().isPresent()) {
1040                     System.out.println("  Avatar:");
1041                     printAttachment(groupInfo.getAvatar().get());
1042                 }
1043             }
1044             if (message.isEndSession()) {
1045                 System.out.println("Is end session");
1046             }
1047             if (message.isExpirationUpdate()) {
1048                 System.out.println("Is Expiration update: " + message.isExpirationUpdate());
1049             }
1050             if (message.getExpiresInSeconds() > 0) {
1051                 System.out.println("Expires in: " + message.getExpiresInSeconds() + " seconds");
1052             }
1053
1054             if (message.getAttachments().isPresent()) {
1055                 System.out.println("Attachments: ");
1056                 for (SignalServiceAttachment attachment : message.getAttachments().get()) {
1057                     printAttachment(attachment);
1058                 }
1059             }
1060         }
1061
1062         private void printAttachment(SignalServiceAttachment attachment) {
1063             System.out.println("- " + attachment.getContentType() + " (" + (attachment.isPointer() ? "Pointer" : "") + (attachment.isStream() ? "Stream" : "") + ")");
1064             if (attachment.isPointer()) {
1065                 final SignalServiceAttachmentPointer pointer = attachment.asPointer();
1066                 System.out.println("  Id: " + pointer.getId() + " Key length: " + pointer.getKey().length + (pointer.getRelay().isPresent() ? " Relay: " + pointer.getRelay().get() : ""));
1067                 System.out.println("  Filename: " + (pointer.getFileName().isPresent() ? pointer.getFileName().get() : "-"));
1068                 System.out.println("  Size: " + (pointer.getSize().isPresent() ? pointer.getSize().get() + " bytes" : "<unavailable>") + (pointer.getPreview().isPresent() ? " (Preview is available: " + pointer.getPreview().get().length + " bytes)" : ""));
1069                 System.out.println("  Voice note: " + (pointer.getVoiceNote() ? "yes" : "no"));
1070                 File file = m.getAttachmentFile(pointer.getId());
1071                 if (file.exists()) {
1072                     System.out.println("  Stored plaintext in: " + file);
1073                 }
1074             }
1075         }
1076     }
1077
1078     private static class DbusReceiveMessageHandler extends ReceiveMessageHandler {
1079         final DBusConnection conn;
1080
1081         public DbusReceiveMessageHandler(Manager m, DBusConnection conn) {
1082             super(m);
1083             this.conn = conn;
1084         }
1085
1086         @Override
1087         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
1088             super.handleMessage(envelope, content, exception);
1089
1090             if (!envelope.isReceipt() && content != null && content.getDataMessage().isPresent()) {
1091                 SignalServiceDataMessage message = content.getDataMessage().get();
1092
1093                 if (!message.isEndSession() &&
1094                         !(message.getGroupInfo().isPresent() &&
1095                                 message.getGroupInfo().get().getType() != SignalServiceGroup.Type.DELIVER)) {
1096                     List<String> attachments = new ArrayList<>();
1097                     if (message.getAttachments().isPresent()) {
1098                         for (SignalServiceAttachment attachment : message.getAttachments().get()) {
1099                             if (attachment.isPointer()) {
1100                                 attachments.add(m.getAttachmentFile(attachment.asPointer().getId()).getAbsolutePath());
1101                             }
1102                         }
1103                     }
1104
1105                     try {
1106                         conn.sendSignal(new Signal.MessageReceived(
1107                                 SIGNAL_OBJECTPATH,
1108                                 message.getTimestamp(),
1109                                 envelope.getSource(),
1110                                 message.getGroupInfo().isPresent() ? message.getGroupInfo().get().getGroupId() : new byte[0],
1111                                 message.getBody().isPresent() ? message.getBody().get() : "",
1112                                 attachments));
1113                     } catch (DBusException e) {
1114                         e.printStackTrace();
1115                     }
1116                 }
1117             }
1118         }
1119
1120     }
1121
1122     private static String formatTimestamp(long timestamp) {
1123         Date date = new Date(timestamp);
1124         final DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"); // Quoted "Z" to indicate UTC, no timezone offset
1125         df.setTimeZone(tzUTC);
1126         return timestamp + " (" + df.format(date) + ")";
1127     }
1128 }