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