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 com.fasterxml.jackson.annotation.JsonAutoDetect;
  20 import com.fasterxml.jackson.annotation.PropertyAccessor;
  21 import com.fasterxml.jackson.core.JsonGenerator;
  22 import com.fasterxml.jackson.databind.DeserializationFeature;
  23 import com.fasterxml.jackson.databind.ObjectMapper;
  24 import com.fasterxml.jackson.databind.SerializationFeature;
  25 import com.fasterxml.jackson.databind.node.ObjectNode;
  26 import net.sourceforge.argparse4j.ArgumentParsers;
  27 import net.sourceforge.argparse4j.impl.Arguments;
  28 import net.sourceforge.argparse4j.inf.*;
  29 import org.apache.http.util.TextUtils;
  30 import org.asamk.Signal;
  31 import org.asamk.signal.storage.contacts.ContactInfo;
  32 import org.asamk.signal.storage.groups.GroupInfo;
  33 import org.asamk.signal.storage.protocol.JsonIdentityKeyStore;
  34 import org.asamk.signal.util.Hex;
  35 import org.freedesktop.dbus.DBusConnection;
  36 import org.freedesktop.dbus.DBusSigHandler;
  37 import org.freedesktop.dbus.exceptions.DBusException;
  38 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  39 import org.whispersystems.libsignal.InvalidKeyException;
  40 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
  41 import org.whispersystems.signalservice.api.messages.*;
  42 import org.whispersystems.signalservice.api.messages.calls.*;
  43 import org.whispersystems.signalservice.api.messages.multidevice.*;
  44 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  45 import org.whispersystems.signalservice.api.push.exceptions.EncapsulatedExceptions;
  46 import org.whispersystems.signalservice.api.push.exceptions.NetworkFailureException;
  47 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
  48 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  49 import org.whispersystems.signalservice.internal.util.Base64;
  50
  51 import java.io.File;
  52 import java.io.IOException;
  53 import java.io.InputStream;
  54 import java.io.StringWriter;
  55 import java.net.URI;
  56 import java.net.URISyntaxException;
  57 import java.nio.charset.Charset;
  58 import java.security.Security;
  59 import java.text.DateFormat;
  60 import java.text.SimpleDateFormat;
  61 import java.util.*;
  62 import java.util.concurrent.TimeUnit;
  63 import java.util.concurrent.TimeoutException;
  64
  65 public class Main {
  66
  67     public static final String SIGNAL_BUSNAME = "org.asamk.Signal";
  68     public static final String SIGNAL_OBJECTPATH = "/org/asamk/Signal";
  69
  70     private static final TimeZone tzUTC = TimeZone.getTimeZone("UTC");
  71
  72     public static void main(String[] args) {
  73         // Workaround for BKS truststore
  74         Security.insertProviderAt(new org.bouncycastle.jce.provider.BouncyCastleProvider(), 1);
  75
  76         Namespace ns = parseArgs(args);
  77         if (ns == null) {
  78             System.exit(1);
  79         }
  80
  81         int res = handleCommands(ns);
  82         System.exit(res);
  83     }
  84
  85     private static int handleCommands(Namespace ns) {
  86         final String username = ns.getString("username");
  87         Manager m;
  88         Signal ts;
  89         DBusConnection dBusConn = null;
  90         try {
  91             if (ns.getBoolean("dbus") || ns.getBoolean("dbus_system")) {
  92                 try {
  93                     m = null;
  94                     int busType;
  95                     if (ns.getBoolean("dbus_system")) {
  96                         busType = DBusConnection.SYSTEM;
  97                     } else {
  98                         busType = DBusConnection.SESSION;
  99                     }
 100                     dBusConn = DBusConnection.getConnection(busType);
 101                     ts = (Signal) dBusConn.getRemoteObject(
 102                             SIGNAL_BUSNAME, SIGNAL_OBJECTPATH,
 103                             Signal.class);
 104                 } catch (UnsatisfiedLinkError e) {
 105                     System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
 106                     return 1;
 107                 } catch (DBusException e) {
 108                     e.printStackTrace();
 109                     if (dBusConn != null) {
 110                         dBusConn.disconnect();
 111                     }
 112                     return 3;
 113                 }
 114             } else {
 115                 String settingsPath = ns.getString("config");
 116                 if (TextUtils.isEmpty(settingsPath)) {
 117                     settingsPath = System.getProperty("user.home") + "/.config/signal";
 118                     if (!new File(settingsPath).exists()) {
 119                         String legacySettingsPath = System.getProperty("user.home") + "/.config/textsecure";
 120                         if (new File(legacySettingsPath).exists()) {
 121                             settingsPath = legacySettingsPath;
 122                         }
 123                     }
 124                 }
 125
 126                 m = new Manager(username, settingsPath);
 127                 ts = m;
 128                 if (m.userExists()) {
 129                     try {
 130                         m.init();
 131                     } catch (Exception e) {
 132                         System.err.println("Error loading state file \"" + m.getFileName() + "\": " + e.getMessage());
 133                         return 2;
 134                     }
 135                 }
 136             }
 137
 138             switch (ns.getString("command")) {
 139                 case "register":
 140                     if (dBusConn != null) {
 141                         System.err.println("register is not yet implemented via dbus");
 142                         return 1;
 143                     }
 144                     if (!m.userHasKeys()) {
 145                         m.createNewIdentity();
 146                     }
 147                     try {
 148                         m.register(ns.getBoolean("voice"));
 149                     } catch (IOException e) {
 150                         System.err.println("Request verify error: " + e.getMessage());
 151                         return 3;
 152                     }
 153                     break;
 154                 case "unregister":
 155                     if (dBusConn != null) {
 156                         System.err.println("unregister is not yet implemented via dbus");
 157                         return 1;
 158                     }
 159                     if (!m.isRegistered()) {
 160                         System.err.println("User is not registered.");
 161                         return 1;
 162                     }
 163                     try {
 164                         m.unregister();
 165                     } catch (IOException e) {
 166                         System.err.println("Unregister error: " + e.getMessage());
 167                         return 3;
 168                     }
 169                     break;
 170                 case "updateAccount":
 171                     if (dBusConn != null) {
 172                         System.err.println("updateAccount is not yet implemented via dbus");
 173                         return 1;
 174                     }
 175                     if (!m.isRegistered()) {
 176                         System.err.println("User is not registered.");
 177                         return 1;
 178                     }
 179                     try {
 180                         m.updateAccountAttributes();
 181                     } catch (IOException e) {
 182                         System.err.println("UpdateAccount error: " + e.getMessage());
 183                         return 3;
 184                     }
 185                     break;
 186                 case "verify":
 187                     if (dBusConn != null) {
 188                         System.err.println("verify is not yet implemented via dbus");
 189                         return 1;
 190                     }
 191                     if (!m.userHasKeys()) {
 192                         System.err.println("User has no keys, first call register.");
 193                         return 1;
 194                     }
 195                     if (m.isRegistered()) {
 196                         System.err.println("User registration is already verified");
 197                         return 1;
 198                     }
 199                     try {
 200                         m.verifyAccount(ns.getString("verificationCode"));
 201                     } catch (IOException e) {
 202                         System.err.println("Verify error: " + e.getMessage());
 203                         return 3;
 204                     }
 205                     break;
 206                 case "link":
 207                     if (dBusConn != null) {
 208                         System.err.println("link is not yet implemented via dbus");
 209                         return 1;
 210                     }
 211
 212                     // When linking, username is null and we always have to create keys
 213                     m.createNewIdentity();
 214
 215                     String deviceName = ns.getString("name");
 216                     if (deviceName == null) {
 217                         deviceName = "cli";
 218                     }
 219                     try {
 220                         System.out.println(m.getDeviceLinkUri());
 221                         m.finishDeviceLink(deviceName);
 222                         System.out.println("Associated with: " + m.getUsername());
 223                     } catch (TimeoutException e) {
 224                         System.err.println("Link request timed out, please try again.");
 225                         return 3;
 226                     } catch (IOException e) {
 227                         System.err.println("Link request error: " + e.getMessage());
 228                         return 3;
 229                     } catch (AssertionError e) {
 230                         handleAssertionError(e);
 231                         return 1;
 232                     } catch (InvalidKeyException e) {
 233                         e.printStackTrace();
 234                         return 2;
 235                     } catch (UserAlreadyExists e) {
 236                         System.err.println("The user " + e.getUsername() + " already exists\nDelete \"" + e.getFileName() + "\" before trying again.");
 237                         return 1;
 238                     }
 239                     break;
 240                 case "addDevice":
 241                     if (dBusConn != null) {
 242                         System.err.println("link is not yet implemented via dbus");
 243                         return 1;
 244                     }
 245                     if (!m.isRegistered()) {
 246                         System.err.println("User is not registered.");
 247                         return 1;
 248                     }
 249                     try {
 250                         m.addDeviceLink(new URI(ns.getString("uri")));
 251                     } catch (IOException e) {
 252                         e.printStackTrace();
 253                         return 3;
 254                     } catch (InvalidKeyException e) {
 255                         e.printStackTrace();
 256                         return 2;
 257                     } catch (AssertionError e) {
 258                         handleAssertionError(e);
 259                         return 1;
 260                     } catch (URISyntaxException e) {
 261                         e.printStackTrace();
 262                         return 2;
 263                     }
 264                     break;
 265                 case "listDevices":
 266                     if (dBusConn != null) {
 267                         System.err.println("listDevices is not yet implemented via dbus");
 268                         return 1;
 269                     }
 270                     if (!m.isRegistered()) {
 271                         System.err.println("User is not registered.");
 272                         return 1;
 273                     }
 274                     try {
 275                         List<DeviceInfo> devices = m.getLinkedDevices();
 276                         for (DeviceInfo d : devices) {
 277                             System.out.println("Device " + d.getId() + (d.getId() == m.getDeviceId() ? " (this device)" : "") + ":");
 278                             System.out.println(" Name: " + d.getName());
 279                             System.out.println(" Created: " + formatTimestamp(d.getCreated()));
 280                             System.out.println(" Last seen: " + formatTimestamp(d.getLastSeen()));
 281                         }
 282                     } catch (IOException e) {
 283                         e.printStackTrace();
 284                         return 3;
 285                     }
 286                     break;
 287                 case "removeDevice":
 288                     if (dBusConn != null) {
 289                         System.err.println("removeDevice is not yet implemented via dbus");
 290                         return 1;
 291                     }
 292                     if (!m.isRegistered()) {
 293                         System.err.println("User is not registered.");
 294                         return 1;
 295                     }
 296                     try {
 297                         int deviceId = ns.getInt("deviceId");
 298                         m.removeLinkedDevices(deviceId);
 299                     } catch (IOException e) {
 300                         e.printStackTrace();
 301                         return 3;
 302                     }
 303                     break;
 304                 case "send":
 305                     if (dBusConn == null && !m.isRegistered()) {
 306                         System.err.println("User is not registered.");
 307                         return 1;
 308                     }
 309
 310                     if (ns.getBoolean("endsession")) {
 311                         if (ns.getList("recipient") == null) {
 312                             System.err.println("No recipients given");
 313                             System.err.println("Aborting sending.");
 314                             return 1;
 315                         }
 316                         try {
 317                             ts.sendEndSessionMessage(ns.<String>getList("recipient"));
 318                         } catch (IOException e) {
 319                             handleIOException(e);
 320                             return 3;
 321                         } catch (EncapsulatedExceptions e) {
 322                             handleEncapsulatedExceptions(e);
 323                             return 3;
 324                         } catch (AssertionError e) {
 325                             handleAssertionError(e);
 326                             return 1;
 327                         } catch (DBusExecutionException e) {
 328                             handleDBusExecutionException(e);
 329                             return 1;
 330                         }
 331                     } else {
 332                         String messageText = ns.getString("message");
 333                         if (messageText == null) {
 334                             try {
 335                                 messageText = readAll(System.in);
 336                             } catch (IOException e) {
 337                                 System.err.println("Failed to read message from stdin: " + e.getMessage());
 338                                 System.err.println("Aborting sending.");
 339                                 return 1;
 340                             }
 341                         }
 342
 343                         try {
 344                             List<String> attachments = ns.getList("attachment");
 345                             if (attachments == null) {
 346                                 attachments = new ArrayList<>();
 347                             }
 348                             if (ns.getString("group") != null) {
 349                                 byte[] groupId = decodeGroupId(ns.getString("group"));
 350                                 ts.sendGroupMessage(messageText, attachments, groupId);
 351                             } else {
 352                                 ts.sendMessage(messageText, attachments, ns.<String>getList("recipient"));
 353                             }
 354                         } catch (IOException e) {
 355                             handleIOException(e);
 356                             return 3;
 357                         } catch (EncapsulatedExceptions e) {
 358                             handleEncapsulatedExceptions(e);
 359                             return 3;
 360                         } catch (AssertionError e) {
 361                             handleAssertionError(e);
 362                             return 1;
 363                         } catch (GroupNotFoundException e) {
 364                             handleGroupNotFoundException(e);
 365                             return 1;
 366                         } catch (NotAGroupMemberException e) {
 367                             handleNotAGroupMemberException(e);
 368                             return 1;
 369                         } catch (AttachmentInvalidException e) {
 370                             System.err.println("Failed to add attachment: " + e.getMessage());
 371                             System.err.println("Aborting sending.");
 372                             return 1;
 373                         } catch (DBusExecutionException e) {
 374                             handleDBusExecutionException(e);
 375                             return 1;
 376                         }
 377                     }
 378
 379                     break;
 380                 case "receive":
 381                     if (dBusConn != null) {
 382                         try {
 383                             dBusConn.addSigHandler(Signal.MessageReceived.class, new DBusSigHandler<Signal.MessageReceived>() {
 384                                 @Override
 385                                 public void handle(Signal.MessageReceived s) {
 386                                     System.out.print(String.format("Envelope from: %s\nTimestamp: %s\nBody: %s\n",
 387                                             s.getSender(), formatTimestamp(s.getTimestamp()), s.getMessage()));
 388                                     if (s.getGroupId().length > 0) {
 389                                         System.out.println("Group info:");
 390                                         System.out.println("  Id: " + Base64.encodeBytes(s.getGroupId()));
 391                                     }
 392                                     if (s.getAttachments().size() > 0) {
 393                                         System.out.println("Attachments: ");
 394                                         for (String attachment : s.getAttachments()) {
 395                                             System.out.println("-  Stored plaintext in: " + attachment);
 396                                         }
 397                                     }
 398                                     System.out.println();
 399                                 }
 400                             });
 401                             dBusConn.addSigHandler(Signal.ReceiptReceived.class, new DBusSigHandler<Signal.ReceiptReceived>() {
 402                                 @Override
 403                                 public void handle(Signal.ReceiptReceived s) {
 404                                     System.out.print(String.format("Receipt from: %s\nTimestamp: %s\n",
 405                                             s.getSender(), formatTimestamp(s.getTimestamp())));
 406                                 }
 407                             });
 408                         } catch (UnsatisfiedLinkError e) {
 409                             System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
 410                             return 1;
 411                         } catch (DBusException e) {
 412                             e.printStackTrace();
 413                             return 1;
 414                         }
 415                         while (true) {
 416                             try {
 417                                 Thread.sleep(10000);
 418                             } catch (InterruptedException e) {
 419                                 return 0;
 420                             }
 421                         }
 422                     }
 423                     if (!m.isRegistered()) {
 424                         System.err.println("User is not registered.");
 425                         return 1;
 426                     }
 427                     double timeout = 5;
 428                     if (ns.getDouble("timeout") != null) {
 429                         timeout = ns.getDouble("timeout");
 430                     }
 431                     boolean returnOnTimeout = true;
 432                     if (timeout < 0) {
 433                         returnOnTimeout = false;
 434                         timeout = 3600;
 435                     }
 436                     boolean ignoreAttachments = ns.getBoolean("ignore_attachments");
 437                     try {
 438                         final Manager.ReceiveMessageHandler handler = ns.getBoolean("json") ? new JsonReceiveMessageHandler(m) : new ReceiveMessageHandler(m);
 439                         m.receiveMessages((long) (timeout * 1000), TimeUnit.MILLISECONDS, returnOnTimeout, ignoreAttachments, handler);
 440                     } catch (IOException e) {
 441                         System.err.println("Error while receiving messages: " + e.getMessage());
 442                         return 3;
 443                     } catch (AssertionError e) {
 444                         handleAssertionError(e);
 445                         return 1;
 446                     }
 447                     break;
 448                 case "quitGroup":
 449                     if (dBusConn != null) {
 450                         System.err.println("quitGroup is not yet implemented via dbus");
 451                         return 1;
 452                     }
 453                     if (!m.isRegistered()) {
 454                         System.err.println("User is not registered.");
 455                         return 1;
 456                     }
 457
 458                     try {
 459                         m.sendQuitGroupMessage(decodeGroupId(ns.getString("group")));
 460                     } catch (IOException e) {
 461                         handleIOException(e);
 462                         return 3;
 463                     } catch (EncapsulatedExceptions e) {
 464                         handleEncapsulatedExceptions(e);
 465                         return 3;
 466                     } catch (AssertionError e) {
 467                         handleAssertionError(e);
 468                         return 1;
 469                     } catch (GroupNotFoundException e) {
 470                         handleGroupNotFoundException(e);
 471                         return 1;
 472                     } catch (NotAGroupMemberException e) {
 473                         handleNotAGroupMemberException(e);
 474                         return 1;
 475                     }
 476
 477                     break;
 478                 case "updateGroup":
 479                     if (dBusConn == null && !m.isRegistered()) {
 480                         System.err.println("User is not registered.");
 481                         return 1;
 482                     }
 483
 484                     try {
 485                         byte[] groupId = null;
 486                         if (ns.getString("group") != null) {
 487                             groupId = decodeGroupId(ns.getString("group"));
 488                         }
 489                         if (groupId == null) {
 490                             groupId = new byte[0];
 491                         }
 492                         String groupName = ns.getString("name");
 493                         if (groupName == null) {
 494                             groupName = "";
 495                         }
 496                         List<String> groupMembers = ns.<String>getList("member");
 497                         if (groupMembers == null) {
 498                             groupMembers = new ArrayList<String>();
 499                         }
 500                         String groupAvatar = ns.getString("avatar");
 501                         if (groupAvatar == null) {
 502                             groupAvatar = "";
 503                         }
 504                         byte[] newGroupId = ts.updateGroup(groupId, groupName, groupMembers, groupAvatar);
 505                         if (groupId.length != newGroupId.length) {
 506                             System.out.println("Creating new group \"" + Base64.encodeBytes(newGroupId) + "\" …");
 507                         }
 508                     } catch (IOException e) {
 509                         handleIOException(e);
 510                         return 3;
 511                     } catch (AttachmentInvalidException e) {
 512                         System.err.println("Failed to add avatar attachment for group\": " + e.getMessage());
 513                         System.err.println("Aborting sending.");
 514                         return 1;
 515                     } catch (GroupNotFoundException e) {
 516                         handleGroupNotFoundException(e);
 517                         return 1;
 518                     } catch (NotAGroupMemberException e) {
 519                         handleNotAGroupMemberException(e);
 520                         return 1;
 521                     } catch (EncapsulatedExceptions e) {
 522                         handleEncapsulatedExceptions(e);
 523                         return 3;
 524                     }
 525
 526                     break;
 527                 case "listGroups":
 528                     if (dBusConn != null) {
 529                         System.err.println("listGroups is not yet implemented via dbus");
 530                         return 1;
 531                     }
 532                     if (!m.isRegistered()) {
 533                         System.err.println("User is not registered.");
 534                         return 1;
 535                     }
 536
 537                     List<GroupInfo> groups = m.getGroups();
 538                     boolean detailed = ns.getBoolean("detailed");
 539
 540                     for (GroupInfo group : groups) {
 541                         printGroup(group, detailed);
 542                     }
 543                     break;
 544                 case "listIdentities":
 545                     if (dBusConn != null) {
 546                         System.err.println("listIdentities is not yet implemented via dbus");
 547                         return 1;
 548                     }
 549                     if (!m.isRegistered()) {
 550                         System.err.println("User is not registered.");
 551                         return 1;
 552                     }
 553                     if (ns.get("number") == null) {
 554                         for (Map.Entry<String, List<JsonIdentityKeyStore.Identity>> keys : m.getIdentities().entrySet()) {
 555                             for (JsonIdentityKeyStore.Identity id : keys.getValue()) {
 556                                 printIdentityFingerprint(m, keys.getKey(), id);
 557                             }
 558                         }
 559                     } else {
 560                         String number = ns.getString("number");
 561                         for (JsonIdentityKeyStore.Identity id : m.getIdentities(number)) {
 562                             printIdentityFingerprint(m, number, id);
 563                         }
 564                     }
 565                     break;
 566                 case "trust":
 567                     if (dBusConn != null) {
 568                         System.err.println("trust is not yet implemented via dbus");
 569                         return 1;
 570                     }
 571                     if (!m.isRegistered()) {
 572                         System.err.println("User is not registered.");
 573                         return 1;
 574                     }
 575                     String number = ns.getString("number");
 576                     if (ns.getBoolean("trust_all_known_keys")) {
 577                         boolean res = m.trustIdentityAllKeys(number);
 578                         if (!res) {
 579                             System.err.println("Failed to set the trust for this number, make sure the number is correct.");
 580                             return 1;
 581                         }
 582                     } else {
 583                         String fingerprint = ns.getString("verified_fingerprint");
 584                         if (fingerprint != null) {
 585                             fingerprint = fingerprint.replaceAll(" ", "");
 586                             if (fingerprint.length() == 66) {
 587                                 byte[] fingerprintBytes;
 588                                 try {
 589                                     fingerprintBytes = Hex.toByteArray(fingerprint.toLowerCase(Locale.ROOT));
 590                                 } catch (Exception e) {
 591                                     System.err.println("Failed to parse the fingerprint, make sure the fingerprint is a correctly encoded hex string without additional characters.");
 592                                     return 1;
 593                                 }
 594                                 boolean res = m.trustIdentityVerified(number, fingerprintBytes);
 595                                 if (!res) {
 596                                     System.err.println("Failed to set the trust for the fingerprint of this number, make sure the number and the fingerprint are correct.");
 597                                     return 1;
 598                                 }
 599                             } else if (fingerprint.length() == 60) {
 600                                 boolean res = m.trustIdentityVerifiedSafetyNumber(number, fingerprint);
 601                                 if (!res) {
 602                                     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.");
 603                                     return 1;
 604                                 }
 605                             } else {
 606                                 System.err.println("Fingerprint has invalid format, either specify the old hex fingerprint or the new safety number");
 607                                 return 1;
 608                             }
 609                         } else {
 610                             System.err.println("You need to specify the fingerprint you have verified with -v FINGERPRINT");
 611                             return 1;
 612                         }
 613                     }
 614                     break;
 615                 case "daemon":
 616                     if (dBusConn != null) {
 617                         System.err.println("Stop it.");
 618                         return 1;
 619                     }
 620                     if (!m.isRegistered()) {
 621                         System.err.println("User is not registered.");
 622                         return 1;
 623                     }
 624                     DBusConnection conn = null;
 625                     try {
 626                         try {
 627                             int busType;
 628                             if (ns.getBoolean("system")) {
 629                                 busType = DBusConnection.SYSTEM;
 630                             } else {
 631                                 busType = DBusConnection.SESSION;
 632                             }
 633                             conn = DBusConnection.getConnection(busType);
 634                             conn.exportObject(SIGNAL_OBJECTPATH, m);
 635                             conn.requestBusName(SIGNAL_BUSNAME);
 636                         } catch (UnsatisfiedLinkError e) {
 637                             System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
 638                             return 1;
 639                         } catch (DBusException e) {
 640                             e.printStackTrace();
 641                             return 2;
 642                         }
 643                         ignoreAttachments = ns.getBoolean("ignore_attachments");
 644                         try {
 645                             m.receiveMessages(1, TimeUnit.HOURS, false, ignoreAttachments, new DbusReceiveMessageHandler(m, conn));
 646                         } catch (IOException e) {
 647                             System.err.println("Error while receiving messages: " + e.getMessage());
 648                             return 3;
 649                         } catch (AssertionError e) {
 650                             handleAssertionError(e);
 651                             return 1;
 652                         }
 653                     } finally {
 654                         if (conn != null) {
 655                             conn.disconnect();
 656                         }
 657                     }
 658
 659                     break;
 660             }
 661             return 0;
 662         } finally {
 663             if (dBusConn != null) {
 664                 dBusConn.disconnect();
 665             }
 666         }
 667     }
 668
 669     private static void printIdentityFingerprint(Manager m, String theirUsername, JsonIdentityKeyStore.Identity theirId) {
 670         String digits = formatSafetyNumber(m.computeSafetyNumber(theirUsername, theirId.getIdentityKey()));
 671         System.out.println(String.format("%s: %s Added: %s Fingerprint: %s Safety Number: %s", theirUsername,
 672                 theirId.getTrustLevel(), theirId.getDateAdded(), Hex.toStringCondensed(theirId.getFingerprint()), digits));
 673     }
 674
 675     private static void printGroup(GroupInfo group, boolean detailed) {
 676         if (detailed) {
 677             System.out.println(String.format("Id: %s Name: %s  Active: %s Members: %s",
 678                     Base64.encodeBytes(group.groupId), group.name, group.active, group.members));
 679         } else {
 680             System.out.println(String.format("Id: %s Name: %s  Active: %s", Base64.encodeBytes(group.groupId),
 681                     group.name, group.active));
 682         }
 683     }
 684
 685     private static String formatSafetyNumber(String digits) {
 686         final int partCount = 12;
 687         int partSize = digits.length() / partCount;
 688         StringBuilder f = new StringBuilder(digits.length() + partCount);
 689         for (int i = 0; i < partCount; i++) {
 690             f.append(digits.substring(i * partSize, (i * partSize) + partSize)).append(" ");
 691         }
 692         return f.toString();
 693     }
 694
 695     private static void handleGroupNotFoundException(GroupNotFoundException e) {
 696         System.err.println("Failed to send to group: " + e.getMessage());
 697         System.err.println("Aborting sending.");
 698     }
 699
 700     private static void handleNotAGroupMemberException(NotAGroupMemberException e) {
 701         System.err.println("Failed to send to group: " + e.getMessage());
 702         System.err.println("Update the group on another device to readd the user to this group.");
 703         System.err.println("Aborting sending.");
 704     }
 705
 706
 707     private static void handleDBusExecutionException(DBusExecutionException e) {
 708         System.err.println("Cannot connect to dbus: " + e.getMessage());
 709         System.err.println("Aborting.");
 710     }
 711
 712     private static byte[] decodeGroupId(String groupId) {
 713         try {
 714             return Base64.decode(groupId);
 715         } catch (IOException e) {
 716             System.err.println("Failed to decode groupId (must be base64) \"" + groupId + "\": " + e.getMessage());
 717             System.err.println("Aborting sending.");
 718             System.exit(1);
 719             return null;
 720         }
 721     }
 722
 723     private static Namespace parseArgs(String[] args) {
 724         ArgumentParser parser = ArgumentParsers.newFor("signal-cli")
 725                 .build()
 726                 .defaultHelp(true)
 727                 .description("Commandline interface for Signal.")
 728                 .version(Manager.PROJECT_NAME + " " + Manager.PROJECT_VERSION);
 729
 730         parser.addArgument("-v", "--version")
 731                 .help("Show package version.")
 732                 .action(Arguments.version());
 733         parser.addArgument("--config")
 734                 .help("Set the path, where to store the config (Default: $HOME/.config/signal).");
 735
 736         MutuallyExclusiveGroup mut = parser.addMutuallyExclusiveGroup();
 737         mut.addArgument("-u", "--username")
 738                 .help("Specify your phone number, that will be used for verification.");
 739         mut.addArgument("--dbus")
 740                 .help("Make request via user dbus.")
 741                 .action(Arguments.storeTrue());
 742         mut.addArgument("--dbus-system")
 743                 .help("Make request via system dbus.")
 744                 .action(Arguments.storeTrue());
 745
 746         Subparsers subparsers = parser.addSubparsers()
 747                 .title("subcommands")
 748                 .dest("command")
 749                 .description("valid subcommands")
 750                 .help("additional help");
 751
 752         Subparser parserLink = subparsers.addParser("link");
 753         parserLink.addArgument("-n", "--name")
 754                 .help("Specify a name to describe this new device.");
 755
 756         Subparser parserAddDevice = subparsers.addParser("addDevice");
 757         parserAddDevice.addArgument("--uri")
 758                 .required(true)
 759                 .help("Specify the uri contained in the QR code shown by the new device.");
 760
 761         Subparser parserDevices = subparsers.addParser("listDevices");
 762
 763         Subparser parserRemoveDevice = subparsers.addParser("removeDevice");
 764         parserRemoveDevice.addArgument("-d", "--deviceId")
 765                 .type(int.class)
 766                 .required(true)
 767                 .help("Specify the device you want to remove. Use listDevices to see the deviceIds.");
 768
 769         Subparser parserRegister = subparsers.addParser("register");
 770         parserRegister.addArgument("-v", "--voice")
 771                 .help("The verification should be done over voice, not sms.")
 772                 .action(Arguments.storeTrue());
 773
 774         Subparser parserUnregister = subparsers.addParser("unregister");
 775         parserUnregister.help("Unregister the current device from the signal server.");
 776
 777         Subparser parserUpdateAccount = subparsers.addParser("updateAccount");
 778         parserUpdateAccount.help("Update the account attributes on the signal server.");
 779
 780         Subparser parserVerify = subparsers.addParser("verify");
 781         parserVerify.addArgument("verificationCode")
 782                 .help("The verification code you received via sms or voice call.");
 783
 784         Subparser parserSend = subparsers.addParser("send");
 785         parserSend.addArgument("-g", "--group")
 786                 .help("Specify the recipient group ID.");
 787         parserSend.addArgument("recipient")
 788                 .help("Specify the recipients' phone number.")
 789                 .nargs("*");
 790         parserSend.addArgument("-m", "--message")
 791                 .help("Specify the message, if missing standard input is used.");
 792         parserSend.addArgument("-a", "--attachment")
 793                 .nargs("*")
 794                 .help("Add file as attachment");
 795         parserSend.addArgument("-e", "--endsession")
 796                 .help("Clear session state and send end session message.")
 797                 .action(Arguments.storeTrue());
 798
 799         Subparser parserLeaveGroup = subparsers.addParser("quitGroup");
 800         parserLeaveGroup.addArgument("-g", "--group")
 801                 .required(true)
 802                 .help("Specify the recipient group ID.");
 803
 804         Subparser parserUpdateGroup = subparsers.addParser("updateGroup");
 805         parserUpdateGroup.addArgument("-g", "--group")
 806                 .help("Specify the recipient group ID.");
 807         parserUpdateGroup.addArgument("-n", "--name")
 808                 .help("Specify the new group name.");
 809         parserUpdateGroup.addArgument("-a", "--avatar")
 810                 .help("Specify a new group avatar image file");
 811         parserUpdateGroup.addArgument("-m", "--member")
 812                 .nargs("*")
 813                 .help("Specify one or more members to add to the group");
 814
 815         Subparser parserListGroups = subparsers.addParser("listGroups");
 816         parserListGroups.addArgument("-d", "--detailed").action(Arguments.storeTrue())
 817                 .help("List members of each group");
 818         parserListGroups.help("List group name and ids");
 819
 820         Subparser parserListIdentities = subparsers.addParser("listIdentities");
 821         parserListIdentities.addArgument("-n", "--number")
 822                 .help("Only show identity keys for the given phone number.");
 823
 824         Subparser parserTrust = subparsers.addParser("trust");
 825         parserTrust.addArgument("number")
 826                 .help("Specify the phone number, for which to set the trust.")
 827                 .required(true);
 828         MutuallyExclusiveGroup mutTrust = parserTrust.addMutuallyExclusiveGroup();
 829         mutTrust.addArgument("-a", "--trust-all-known-keys")
 830                 .help("Trust all known keys of this user, only use this for testing.")
 831                 .action(Arguments.storeTrue());
 832         mutTrust.addArgument("-v", "--verified-fingerprint")
 833                 .help("Specify the fingerprint of the key, only use this option if you have verified the fingerprint.");
 834
 835         Subparser parserReceive = subparsers.addParser("receive");
 836         parserReceive.addArgument("-t", "--timeout")
 837                 .type(double.class)
 838                 .help("Number of seconds to wait for new messages (negative values disable timeout)");
 839         parserReceive.addArgument("--ignore-attachments")
 840                 .help("Don’t download attachments of received messages.")
 841                 .action(Arguments.storeTrue());
 842         parserReceive.addArgument("--json")
 843                 .help("Output received messages in json format, one json object per line.")
 844                 .action(Arguments.storeTrue());
 845
 846         Subparser parserDaemon = subparsers.addParser("daemon");
 847         parserDaemon.addArgument("--system")
 848                 .action(Arguments.storeTrue())
 849                 .help("Use DBus system bus instead of user bus.");
 850         parserDaemon.addArgument("--ignore-attachments")
 851                 .help("Don’t download attachments of received messages.")
 852                 .action(Arguments.storeTrue());
 853
 854         try {
 855             Namespace ns = parser.parseArgs(args);
 856             if ("link".equals(ns.getString("command"))) {
 857                 if (ns.getString("username") != null) {
 858                     parser.printUsage();
 859                     System.err.println("You cannot specify a username (phone number) when linking");
 860                     System.exit(2);
 861                 }
 862             } else if (!ns.getBoolean("dbus") && !ns.getBoolean("dbus_system")) {
 863                 if (ns.getString("username") == null) {
 864                     parser.printUsage();
 865                     System.err.println("You need to specify a username (phone number)");
 866                     System.exit(2);
 867                 }
 868                 if (!PhoneNumberFormatter.isValidNumber(ns.getString("username"))) {
 869                     System.err.println("Invalid username (phone number), make sure you include the country code.");
 870                     System.exit(2);
 871                 }
 872             }
 873             if (ns.getList("recipient") != null && !ns.getList("recipient").isEmpty() && ns.getString("group") != null) {
 874                 System.err.println("You cannot specify recipients by phone number and groups a the same time");
 875                 System.exit(2);
 876             }
 877             return ns;
 878         } catch (ArgumentParserException e) {
 879             parser.handleError(e);
 880             return null;
 881         }
 882     }
 883
 884     private static void handleAssertionError(AssertionError e) {
 885         System.err.println("Failed to send/receive message (Assertion): " + e.getMessage());
 886         e.printStackTrace();
 887         System.err.println("If you use an Oracle JRE please check if you have unlimited strength crypto enabled, see README");
 888     }
 889
 890     private static void handleEncapsulatedExceptions(EncapsulatedExceptions e) {
 891         System.err.println("Failed to send (some) messages:");
 892         for (NetworkFailureException n : e.getNetworkExceptions()) {
 893             System.err.println("Network failure for \"" + n.getE164number() + "\": " + n.getMessage());
 894         }
 895         for (UnregisteredUserException n : e.getUnregisteredUserExceptions()) {
 896             System.err.println("Unregistered user \"" + n.getE164Number() + "\": " + n.getMessage());
 897         }
 898         for (UntrustedIdentityException n : e.getUntrustedIdentityExceptions()) {
 899             System.err.println("Untrusted Identity for \"" + n.getE164Number() + "\": " + n.getMessage());
 900         }
 901     }
 902
 903     private static void handleIOException(IOException e) {
 904         System.err.println("Failed to send message: " + e.getMessage());
 905     }
 906
 907     private static String readAll(InputStream in) throws IOException {
 908         StringWriter output = new StringWriter();
 909         byte[] buffer = new byte[4096];
 910         long count = 0;
 911         int n;
 912         while (-1 != (n = System.in.read(buffer))) {
 913             output.write(new String(buffer, 0, n, Charset.defaultCharset()));
 914             count += n;
 915         }
 916         return output.toString();
 917     }
 918
 919     private static class ReceiveMessageHandler implements Manager.ReceiveMessageHandler {
 920         final Manager m;
 921
 922         public ReceiveMessageHandler(Manager m) {
 923             this.m = m;
 924         }
 925
 926         @Override
 927         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
 928             SignalServiceAddress source = envelope.getSourceAddress();
 929             ContactInfo sourceContact = m.getContact(source.getNumber());
 930             System.out.println(String.format("Envelope from: %s (device: %d)", (sourceContact == null ? "" : "“" + sourceContact.name + "” ") + source.getNumber(), envelope.getSourceDevice()));
 931             if (source.getRelay().isPresent()) {
 932                 System.out.println("Relayed by: " + source.getRelay().get());
 933             }
 934             System.out.println("Timestamp: " + formatTimestamp(envelope.getTimestamp()));
 935
 936             if (envelope.isReceipt()) {
 937                 System.out.println("Got receipt.");
 938             } else if (envelope.isSignalMessage() | envelope.isPreKeySignalMessage()) {
 939                 if (exception != null) {
 940                     if (exception instanceof org.whispersystems.libsignal.UntrustedIdentityException) {
 941                         org.whispersystems.libsignal.UntrustedIdentityException e = (org.whispersystems.libsignal.UntrustedIdentityException) exception;
 942                         System.out.println("The user’s key is untrusted, either the user has reinstalled Signal or a third party sent this message.");
 943                         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");
 944                         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");
 945                     } else {
 946                         System.out.println("Exception: " + exception.getMessage() + " (" + exception.getClass().getSimpleName() + ")");
 947                     }
 948                 }
 949                 if (content == null) {
 950                     System.out.println("Failed to decrypt message.");
 951                 } else {
 952                     if (content.getDataMessage().isPresent()) {
 953                         SignalServiceDataMessage message = content.getDataMessage().get();
 954                         handleSignalServiceDataMessage(message);
 955                     }
 956                     if (content.getSyncMessage().isPresent()) {
 957                         System.out.println("Received a sync message");
 958                         SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
 959
 960                         if (syncMessage.getContacts().isPresent()) {
 961                             final ContactsMessage contactsMessage = syncMessage.getContacts().get();
 962                             if (contactsMessage.isComplete()) {
 963                                 System.out.println("Received complete sync contacts");
 964                             } else {
 965                                 System.out.println("Received sync contacts");
 966                             }
 967                             printAttachment(contactsMessage.getContactsStream());
 968                         }
 969                         if (syncMessage.getGroups().isPresent()) {
 970                             System.out.println("Received sync groups");
 971                             printAttachment(syncMessage.getGroups().get());
 972                         }
 973                         if (syncMessage.getRead().isPresent()) {
 974                             System.out.println("Received sync read messages list");
 975                             for (ReadMessage rm : syncMessage.getRead().get()) {
 976                                 ContactInfo fromContact = m.getContact(rm.getSender());
 977                                 System.out.println("From: " + (fromContact == null ? "" : "“" + fromContact.name + "” ") + rm.getSender() + " Message timestamp: " + formatTimestamp(rm.getTimestamp()));
 978                             }
 979                         }
 980                         if (syncMessage.getRequest().isPresent()) {
 981                             System.out.println("Received sync request");
 982                             if (syncMessage.getRequest().get().isContactsRequest()) {
 983                                 System.out.println(" - contacts request");
 984                             }
 985                             if (syncMessage.getRequest().get().isGroupsRequest()) {
 986                                 System.out.println(" - groups request");
 987                             }
 988                         }
 989                         if (syncMessage.getSent().isPresent()) {
 990                             System.out.println("Received sync sent message");
 991                             final SentTranscriptMessage sentTranscriptMessage = syncMessage.getSent().get();
 992                             String to;
 993                             if (sentTranscriptMessage.getDestination().isPresent()) {
 994                                 String dest = sentTranscriptMessage.getDestination().get();
 995                                 ContactInfo destContact = m.getContact(dest);
 996                                 to = (destContact == null ? "" : "“" + destContact.name + "” ") + dest;
 997                             } else {
 998                                 to = "Unknown";
 999                             }
1000                             System.out.println("To: " + to + " , Message timestamp: " + formatTimestamp(sentTranscriptMessage.getTimestamp()));
1001                             if (sentTranscriptMessage.getExpirationStartTimestamp() > 0) {
1002                                 System.out.println("Expiration started at: " + formatTimestamp(sentTranscriptMessage.getExpirationStartTimestamp()));
1003                             }
1004                             SignalServiceDataMessage message = sentTranscriptMessage.getMessage();
1005                             handleSignalServiceDataMessage(message);
1006                         }
1007                         if (syncMessage.getBlockedList().isPresent()) {
1008                             System.out.println("Received sync message with block list");
1009                             System.out.println("Blocked numbers:");
1010                             final BlockedListMessage blockedList = syncMessage.getBlockedList().get();
1011                             for (String number : blockedList.getNumbers()) {
1012                                 System.out.println(" - " + number);
1013                             }
1014                         }
1015                         if (syncMessage.getVerified().isPresent()) {
1016                             System.out.println("Received sync message with verified identities:");
1017                             final VerifiedMessage verifiedMessage = syncMessage.getVerified().get();
1018                             System.out.println(" - " + verifiedMessage.getDestination() + ": " + verifiedMessage.getVerified());
1019                             String safetyNumber = formatSafetyNumber(m.computeSafetyNumber(verifiedMessage.getDestination(), verifiedMessage.getIdentityKey()));
1020                             System.out.println("   " + safetyNumber);
1021                         }
1022                         if (syncMessage.getConfiguration().isPresent()) {
1023                             System.out.println("Received sync message with configuration:");
1024                             final ConfigurationMessage configurationMessage = syncMessage.getConfiguration().get();
1025                             if (configurationMessage.getReadReceipts().isPresent()) {
1026                                 System.out.println(" - Read receipts: " + (configurationMessage.getReadReceipts().get() ? "enabled" : "disabled"));
1027                             }
1028                         }
1029                     }
1030                     if (content.getCallMessage().isPresent()) {
1031                         System.out.println("Received a call message");
1032                         SignalServiceCallMessage callMessage = content.getCallMessage().get();
1033                         if (callMessage.getAnswerMessage().isPresent()) {
1034                             AnswerMessage answerMessage = callMessage.getAnswerMessage().get();
1035                             System.out.println("Answer message: " + answerMessage.getId() + ": " + answerMessage.getDescription());
1036                         }
1037                         if (callMessage.getBusyMessage().isPresent()) {
1038                             BusyMessage busyMessage = callMessage.getBusyMessage().get();
1039                             System.out.println("Busy message: " + busyMessage.getId());
1040                         }
1041                         if (callMessage.getHangupMessage().isPresent()) {
1042                             HangupMessage hangupMessage = callMessage.getHangupMessage().get();
1043                             System.out.println("Hangup message: " + hangupMessage.getId());
1044                         }
1045                         if (callMessage.getIceUpdateMessages().isPresent()) {
1046                             List<IceUpdateMessage> iceUpdateMessages = callMessage.getIceUpdateMessages().get();
1047                             for (IceUpdateMessage iceUpdateMessage : iceUpdateMessages) {
1048                                 System.out.println("Ice update message: " + iceUpdateMessage.getId() + ", sdp: " + iceUpdateMessage.getSdp());
1049                             }
1050                         }
1051                         if (callMessage.getOfferMessage().isPresent()) {
1052                             OfferMessage offerMessage = callMessage.getOfferMessage().get();
1053                             System.out.println("Offer message: " + offerMessage.getId() + ": " + offerMessage.getDescription());
1054                         }
1055                     }
1056                     if (content.getReceiptMessage().isPresent()) {
1057                         System.out.println("Received a receipt message");
1058                         SignalServiceReceiptMessage receiptMessage = content.getReceiptMessage().get();
1059                         System.out.println(" - When: " + formatTimestamp(receiptMessage.getWhen()));
1060                         if (receiptMessage.isDeliveryReceipt()) {
1061                             System.out.println(" - Is delivery receipt");
1062                         }
1063                         if (receiptMessage.isReadReceipt()) {
1064                             System.out.println(" - Is read receipt");
1065                         }
1066                         System.out.println(" - Timestamps:");
1067                         for (long timestamp : receiptMessage.getTimestamps()) {
1068                             System.out.println("    " + formatTimestamp(timestamp));
1069                         }
1070                     }
1071                 }
1072             } else {
1073                 System.out.println("Unknown message received.");
1074             }
1075             System.out.println();
1076         }
1077
1078         private void handleSignalServiceDataMessage(SignalServiceDataMessage message) {
1079             System.out.println("Message timestamp: " + formatTimestamp(message.getTimestamp()));
1080
1081             if (message.getBody().isPresent()) {
1082                 System.out.println("Body: " + message.getBody().get());
1083             }
1084             if (message.getGroupInfo().isPresent()) {
1085                 SignalServiceGroup groupInfo = message.getGroupInfo().get();
1086                 System.out.println("Group info:");
1087                 System.out.println("  Id: " + Base64.encodeBytes(groupInfo.getGroupId()));
1088                 if (groupInfo.getType() == SignalServiceGroup.Type.UPDATE && groupInfo.getName().isPresent()) {
1089                     System.out.println("  Name: " + groupInfo.getName().get());
1090                 } else {
1091                     GroupInfo group = m.getGroup(groupInfo.getGroupId());
1092                     if (group != null) {
1093                         System.out.println("  Name: " + group.name);
1094                     } else {
1095                         System.out.println("  Name: <Unknown group>");
1096                     }
1097                 }
1098                 System.out.println("  Type: " + groupInfo.getType());
1099                 if (groupInfo.getMembers().isPresent()) {
1100                     for (String member : groupInfo.getMembers().get()) {
1101                         System.out.println("  Member: " + member);
1102                     }
1103                 }
1104                 if (groupInfo.getAvatar().isPresent()) {
1105                     System.out.println("  Avatar:");
1106                     printAttachment(groupInfo.getAvatar().get());
1107                 }
1108             }
1109             if (message.isEndSession()) {
1110                 System.out.println("Is end session");
1111             }
1112             if (message.isExpirationUpdate()) {
1113                 System.out.println("Is Expiration update: " + message.isExpirationUpdate());
1114             }
1115             if (message.getExpiresInSeconds() > 0) {
1116                 System.out.println("Expires in: " + message.getExpiresInSeconds() + " seconds");
1117             }
1118             if (message.isProfileKeyUpdate() && message.getProfileKey().isPresent()) {
1119                 System.out.println("Profile key update, key length:" + message.getProfileKey().get().length);
1120             }
1121
1122             if (message.getAttachments().isPresent()) {
1123                 System.out.println("Attachments: ");
1124                 for (SignalServiceAttachment attachment : message.getAttachments().get()) {
1125                     printAttachment(attachment);
1126                 }
1127             }
1128         }
1129
1130         private void printAttachment(SignalServiceAttachment attachment) {
1131             System.out.println("- " + attachment.getContentType() + " (" + (attachment.isPointer() ? "Pointer" : "") + (attachment.isStream() ? "Stream" : "") + ")");
1132             if (attachment.isPointer()) {
1133                 final SignalServiceAttachmentPointer pointer = attachment.asPointer();
1134                 System.out.println("  Id: " + pointer.getId() + " Key length: " + pointer.getKey().length + (pointer.getRelay().isPresent() ? " Relay: " + pointer.getRelay().get() : ""));
1135                 System.out.println("  Filename: " + (pointer.getFileName().isPresent() ? pointer.getFileName().get() : "-"));
1136                 System.out.println("  Size: " + (pointer.getSize().isPresent() ? pointer.getSize().get() + " bytes" : "<unavailable>") + (pointer.getPreview().isPresent() ? " (Preview is available: " + pointer.getPreview().get().length + " bytes)" : ""));
1137                 System.out.println("  Voice note: " + (pointer.getVoiceNote() ? "yes" : "no"));
1138                 System.out.println("  Dimensions: " + pointer.getWidth() + "x" + pointer.getHeight());
1139                 File file = m.getAttachmentFile(pointer.getId());
1140                 if (file.exists()) {
1141                     System.out.println("  Stored plaintext in: " + file);
1142                 }
1143             }
1144         }
1145     }
1146
1147     private static class DbusReceiveMessageHandler extends ReceiveMessageHandler {
1148         final DBusConnection conn;
1149
1150         public DbusReceiveMessageHandler(Manager m, DBusConnection conn) {
1151             super(m);
1152             this.conn = conn;
1153         }
1154
1155         @Override
1156         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
1157             super.handleMessage(envelope, content, exception);
1158
1159             if (envelope.isReceipt()) {
1160                 try {
1161                     conn.sendSignal(new Signal.ReceiptReceived(
1162                             SIGNAL_OBJECTPATH,
1163                             envelope.getTimestamp(),
1164                             envelope.getSource()
1165                     ));
1166                 } catch (DBusException e) {
1167                     e.printStackTrace();
1168                 }
1169             } else if (content != null && content.getDataMessage().isPresent()) {
1170                 SignalServiceDataMessage message = content.getDataMessage().get();
1171
1172                 if (!message.isEndSession() &&
1173                         !(message.getGroupInfo().isPresent() &&
1174                                 message.getGroupInfo().get().getType() != SignalServiceGroup.Type.DELIVER)) {
1175                     List<String> attachments = new ArrayList<>();
1176                     if (message.getAttachments().isPresent()) {
1177                         for (SignalServiceAttachment attachment : message.getAttachments().get()) {
1178                             if (attachment.isPointer()) {
1179                                 attachments.add(m.getAttachmentFile(attachment.asPointer().getId()).getAbsolutePath());
1180                             }
1181                         }
1182                     }
1183
1184                     try {
1185                         conn.sendSignal(new Signal.MessageReceived(
1186                                 SIGNAL_OBJECTPATH,
1187                                 message.getTimestamp(),
1188                                 envelope.getSource(),
1189                                 message.getGroupInfo().isPresent() ? message.getGroupInfo().get().getGroupId() : new byte[0],
1190                                 message.getBody().isPresent() ? message.getBody().get() : "",
1191                                 attachments));
1192                     } catch (DBusException e) {
1193                         e.printStackTrace();
1194                     }
1195                 }
1196             }
1197         }
1198     }
1199
1200     private static class JsonReceiveMessageHandler implements Manager.ReceiveMessageHandler {
1201         final Manager m;
1202         final ObjectMapper jsonProcessor;
1203
1204         public JsonReceiveMessageHandler(Manager m) {
1205             this.m = m;
1206             this.jsonProcessor = new ObjectMapper();
1207             jsonProcessor.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY); // disable autodetect
1208             jsonProcessor.enable(SerializationFeature.WRITE_NULL_MAP_VALUES);
1209             jsonProcessor.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
1210             jsonProcessor.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
1211         }
1212
1213         @Override
1214         public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
1215             ObjectNode result = jsonProcessor.createObjectNode();
1216             if (exception != null) {
1217                 result.putPOJO("error", new JsonError(exception));
1218             }
1219             if (envelope != null) {
1220                 result.putPOJO("envelope", new JsonMessageEnvelope(envelope, content));
1221             }
1222             try {
1223                 jsonProcessor.writeValue(System.out, result);
1224                 System.out.println();
1225             } catch (IOException e) {
1226                 e.printStackTrace();
1227             }
1228         }
1229     }
1230
1231     private static String formatTimestamp(long timestamp) {
1232         Date date = new Date(timestamp);
1233         final DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"); // Quoted "Z" to indicate UTC, no timezone offset
1234         df.setTimeZone(tzUTC);
1235         return timestamp + " (" + df.format(date) + ")";
1236     }
1237 }