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