nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/App.java

   1 package org.asamk.signal;
   2
   3 import net.sourceforge.argparse4j.ArgumentParsers;
   4 import net.sourceforge.argparse4j.impl.Arguments;
   5 import net.sourceforge.argparse4j.inf.ArgumentParser;
   6 import net.sourceforge.argparse4j.inf.Namespace;
   7
   8 import org.asamk.Signal;
   9 import org.asamk.SignalControl;
  10 import org.asamk.signal.commands.Command;
  11 import org.asamk.signal.commands.Commands;
  12 import org.asamk.signal.commands.LocalCommand;
  13 import org.asamk.signal.commands.MultiLocalCommand;
  14 import org.asamk.signal.commands.ProvisioningCommand;
  15 import org.asamk.signal.commands.RegistrationCommand;
  16 import org.asamk.signal.commands.exceptions.CommandException;
  17 import org.asamk.signal.commands.exceptions.IOErrorException;
  18 import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
  19 import org.asamk.signal.commands.exceptions.UserErrorException;
  20 import org.asamk.signal.dbus.DbusManagerImpl;
  21 import org.asamk.signal.dbus.DbusMultiAccountManagerImpl;
  22 import org.asamk.signal.dbus.DbusProvisioningManagerImpl;
  23 import org.asamk.signal.dbus.DbusRegistrationManagerImpl;
  24 import org.asamk.signal.manager.Manager;
  25 import org.asamk.signal.manager.RegistrationManager;
  26 import org.asamk.signal.manager.Settings;
  27 import org.asamk.signal.manager.SignalAccountFiles;
  28 import org.asamk.signal.manager.api.AccountCheckException;
  29 import org.asamk.signal.manager.api.NotRegisteredException;
  30 import org.asamk.signal.manager.api.ServiceEnvironment;
  31 import org.asamk.signal.manager.api.TrustNewIdentity;
  32 import org.asamk.signal.output.JsonWriterImpl;
  33 import org.asamk.signal.output.OutputWriter;
  34 import org.asamk.signal.output.PlainTextWriterImpl;
  35 import org.asamk.signal.util.IOUtils;
  36 import org.freedesktop.dbus.connections.impl.DBusConnection;
  37 import org.freedesktop.dbus.connections.impl.DBusConnectionBuilder;
  38 import org.freedesktop.dbus.errors.ServiceUnknown;
  39 import org.freedesktop.dbus.errors.UnknownMethod;
  40 import org.freedesktop.dbus.exceptions.DBusException;
  41 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 import java.io.BufferedWriter;
  46 import java.io.File;
  47 import java.io.IOException;
  48 import java.io.OutputStreamWriter;
  49 import java.util.Set;
  50
  51 import static net.sourceforge.argparse4j.DefaultSettings.VERSION_0_9_0_DEFAULT_SETTINGS;
  52
  53 public class App {
  54
  55     private final static Logger logger = LoggerFactory.getLogger(App.class);
  56
  57     private final Namespace ns;
  58
  59     static ArgumentParser buildArgumentParser() {
  60         var parser = ArgumentParsers.newFor("signal-cli", VERSION_0_9_0_DEFAULT_SETTINGS)
  61                 .includeArgumentNamesAsKeysInResult(true)
  62                 .build()
  63                 .defaultHelp(true)
  64                 .description("Commandline interface for Signal.")
  65                 .version(BaseConfig.PROJECT_NAME + " " + BaseConfig.PROJECT_VERSION);
  66
  67         parser.addArgument("--version").help("Show package version.").action(Arguments.version());
  68         parser.addArgument("-v", "--verbose")
  69                 .help("Raise log level and include lib signal logs. Specify multiple times for even more logs.")
  70                 .action(Arguments.count());
  71         parser.addArgument("--log-file")
  72                 .type(File.class)
  73                 .help("Write log output to the given file. If --verbose is also given, the detailed logs will only be written to the log file.");
  74         parser.addArgument("--scrub-log")
  75                 .action(Arguments.storeTrue())
  76                 .help("Scrub possibly sensitive information from the log, like phone numbers and UUIDs.");
  77         parser.addArgument("-c", "--config")
  78                 .help("Set the path, where to store the config (Default: $XDG_DATA_HOME/signal-cli , $HOME/.local/share/signal-cli).");
  79
  80         parser.addArgument("-a", "--account", "-u", "--username")
  81                 .help("Specify your phone number, that will be your identifier.");
  82
  83         var mut = parser.addMutuallyExclusiveGroup();
  84         mut.addArgument("--dbus").dest("global-dbus").help("Make request via user dbus.").action(Arguments.storeTrue());
  85         mut.addArgument("--dbus-system")
  86                 .dest("global-dbus-system")
  87                 .help("Make request via system dbus.")
  88                 .action(Arguments.storeTrue());
  89
  90         parser.addArgument("-o", "--output")
  91                 .help("Choose to output in plain text or JSON")
  92                 .type(Arguments.enumStringType(OutputType.class));
  93
  94         parser.addArgument("--service-environment")
  95                 .help("Choose the server environment to use.")
  96                 .type(Arguments.enumStringType(ServiceEnvironmentCli.class))
  97                 .setDefault(ServiceEnvironmentCli.LIVE);
  98
  99         parser.addArgument("--trust-new-identities")
 100                 .help("Choose when to trust new identities.")
 101                 .type(Arguments.enumStringType(TrustNewIdentityCli.class))
 102                 .setDefault(TrustNewIdentityCli.ON_FIRST_USE);
 103
 104         parser.addArgument("--disable-send-log")
 105                 .help("Disable message send log (for resending messages that recipient couldn't decrypt)")
 106                 .action(Arguments.storeTrue());
 107
 108         var subparsers = parser.addSubparsers().title("subcommands").dest("command");
 109
 110         Commands.getCommandSubparserAttachers().forEach((key, value) -> {
 111             var subparser = subparsers.addParser(key);
 112             value.attachToSubparser(subparser);
 113         });
 114
 115         return parser;
 116     }
 117
 118     public App(final Namespace ns) {
 119         this.ns = ns;
 120     }
 121
 122     public void init() throws CommandException {
 123         logger.debug("Starting {}", BaseConfig.PROJECT_NAME + " " + BaseConfig.PROJECT_VERSION);
 124         var commandKey = ns.getString("command");
 125         var command = Commands.getCommand(commandKey);
 126         if (command == null) {
 127             throw new UserErrorException("Command not implemented!");
 128         }
 129
 130         var outputTypeInput = ns.<OutputType>get("output");
 131         var outputType = outputTypeInput == null
 132                 ? command.getSupportedOutputTypes().stream().findFirst().orElse(null)
 133                 : outputTypeInput;
 134         var writer = new BufferedWriter(new OutputStreamWriter(System.out, IOUtils.getConsoleCharset()));
 135         var outputWriter = outputType == null
 136                 ? null
 137                 : outputType == OutputType.JSON ? new JsonWriterImpl(writer) : new PlainTextWriterImpl(writer);
 138
 139         if (outputWriter != null && !command.getSupportedOutputTypes().contains(outputType)) {
 140             throw new UserErrorException("Command doesn't support output type " + outputType);
 141         }
 142
 143         var account = ns.getString("account");
 144
 145         final var useDbus = Boolean.TRUE.equals(ns.getBoolean("global-dbus"));
 146         final var useDbusSystem = Boolean.TRUE.equals(ns.getBoolean("global-dbus-system"));
 147         if (useDbus || useDbusSystem) {
 148             // If account is null, it will connect to the default object path
 149             initDbusClient(command, account, useDbusSystem, outputWriter);
 150             return;
 151         }
 152
 153         if (!Manager.isSignalClientAvailable()) {
 154             throw new UserErrorException("Missing required native library dependency: libsignal-client");
 155         }
 156
 157         final File configPath;
 158         var config = ns.getString("config");
 159         if (config != null) {
 160             configPath = new File(config);
 161         } else {
 162             configPath = getDefaultConfigPath();
 163         }
 164
 165         final var serviceEnvironmentCli = ns.<ServiceEnvironmentCli>get("service-environment");
 166         final var serviceEnvironment = serviceEnvironmentCli == ServiceEnvironmentCli.LIVE
 167                 ? ServiceEnvironment.LIVE
 168                 : ServiceEnvironment.STAGING;
 169
 170         final var trustNewIdentityCli = ns.<TrustNewIdentityCli>get("trust-new-identities");
 171         final var trustNewIdentity = trustNewIdentityCli == TrustNewIdentityCli.ON_FIRST_USE
 172                 ? TrustNewIdentity.ON_FIRST_USE
 173                 : trustNewIdentityCli == TrustNewIdentityCli.ALWAYS ? TrustNewIdentity.ALWAYS : TrustNewIdentity.NEVER;
 174
 175         final var disableSendLog = Boolean.TRUE.equals(ns.getBoolean("disable-send-log"));
 176
 177         final SignalAccountFiles signalAccountFiles;
 178         try {
 179             signalAccountFiles = new SignalAccountFiles(configPath,
 180                     serviceEnvironment,
 181                     BaseConfig.USER_AGENT,
 182                     new Settings(trustNewIdentity, disableSendLog));
 183         } catch (IOException e) {
 184             throw new IOErrorException("Failed to read local accounts list", e);
 185         }
 186
 187         if (command instanceof ProvisioningCommand provisioningCommand) {
 188             if (account != null) {
 189                 throw new UserErrorException("You cannot specify a account (phone number) when linking");
 190             }
 191
 192             handleProvisioningCommand(provisioningCommand, signalAccountFiles, outputWriter);
 193             return;
 194         }
 195
 196         if (account == null) {
 197             if (command instanceof MultiLocalCommand multiLocalCommand) {
 198                 handleMultiLocalCommand(multiLocalCommand, signalAccountFiles, outputWriter);
 199                 return;
 200             }
 201
 202             Set<String> accounts = null;
 203             try {
 204                 accounts = signalAccountFiles.getAllLocalAccountNumbers();
 205             } catch (IOException e) {
 206                 throw new IOErrorException("Failed to load local accounts file", e);
 207             }
 208             if (accounts.size() == 0) {
 209                 throw new UserErrorException("No local users found, you first need to register or link an account");
 210             } else if (accounts.size() > 1) {
 211                 throw new UserErrorException(
 212                         "Multiple users found, you need to specify an account (phone number) with -a");
 213             }
 214
 215             account = accounts.stream().findFirst().get();
 216         } else if (!Manager.isValidNumber(account, null)) {
 217             throw new UserErrorException("Invalid account (phone number), make sure you include the country code.");
 218         }
 219
 220         if (command instanceof RegistrationCommand registrationCommand) {
 221             handleRegistrationCommand(registrationCommand, account, signalAccountFiles);
 222             return;
 223         }
 224
 225         if (!(command instanceof LocalCommand)) {
 226             throw new UserErrorException("Command only works in multi-account mode");
 227         }
 228
 229         handleLocalCommand((LocalCommand) command, account, signalAccountFiles, outputWriter);
 230     }
 231
 232     private void handleProvisioningCommand(
 233             final ProvisioningCommand command,
 234             final SignalAccountFiles signalAccountFiles,
 235             final OutputWriter outputWriter
 236     ) throws CommandException {
 237         var pm = signalAccountFiles.initProvisioningManager();
 238         command.handleCommand(ns, pm, outputWriter);
 239     }
 240
 241     private void handleProvisioningCommand(
 242             final ProvisioningCommand c, final DBusConnection dBusConn, final OutputWriter outputWriter
 243     ) throws CommandException, DBusException {
 244         final var signalControl = dBusConn.getRemoteObject(DbusConfig.getBusname(),
 245                 DbusConfig.getObjectPath(),
 246                 SignalControl.class);
 247         final var provisioningManager = new DbusProvisioningManagerImpl(signalControl, dBusConn);
 248         try {
 249             c.handleCommand(ns, provisioningManager, outputWriter);
 250         } catch (UnsupportedOperationException e) {
 251             throw new UserErrorException("Command is not yet implemented via dbus", e);
 252         } catch (DBusExecutionException e) {
 253             throw new UnexpectedErrorException(e.getMessage(), e);
 254         }
 255     }
 256
 257     private void handleRegistrationCommand(
 258             final RegistrationCommand command, final String account, final SignalAccountFiles signalAccountFiles
 259     ) throws CommandException {
 260         try (final var manager = loadRegistrationManager(account, signalAccountFiles)) {
 261             command.handleCommand(ns, manager);
 262         } catch (IOException e) {
 263             logger.warn("Cleanup failed", e);
 264         }
 265     }
 266
 267     private void handleRegistrationCommand(
 268             final RegistrationCommand c, String account, final DBusConnection dBusConn, final OutputWriter outputWriter
 269     ) throws CommandException, DBusException {
 270         final var signalControl = dBusConn.getRemoteObject(DbusConfig.getBusname(),
 271                 DbusConfig.getObjectPath(),
 272                 SignalControl.class);
 273         try (final var registrationManager = new DbusRegistrationManagerImpl(account, signalControl, dBusConn)) {
 274             c.handleCommand(ns, registrationManager);
 275         } catch (UnsupportedOperationException e) {
 276             throw new UserErrorException("Command is not yet implemented via dbus", e);
 277         } catch (DBusExecutionException e) {
 278             throw new UnexpectedErrorException(e.getMessage(), e);
 279         }
 280     }
 281
 282     private void handleLocalCommand(
 283             final LocalCommand command,
 284             final String account,
 285             final SignalAccountFiles signalAccountFiles,
 286             final OutputWriter outputWriter
 287     ) throws CommandException {
 288         try (var m = loadManager(account, signalAccountFiles)) {
 289             command.handleCommand(ns, m, outputWriter);
 290         } catch (IOException e) {
 291             logger.warn("Cleanup failed", e);
 292         }
 293     }
 294
 295     private void handleLocalCommand(
 296             final LocalCommand c,
 297             String accountObjectPath,
 298             final DBusConnection dBusConn,
 299             final OutputWriter outputWriter
 300     ) throws CommandException, DBusException {
 301         var signal = dBusConn.getRemoteObject(DbusConfig.getBusname(), accountObjectPath, Signal.class);
 302         try (final var m = new DbusManagerImpl(signal, dBusConn)) {
 303             c.handleCommand(ns, m, outputWriter);
 304         } catch (UnsupportedOperationException e) {
 305             throw new UserErrorException("Command is not yet implemented via dbus", e);
 306         } catch (DBusExecutionException e) {
 307             throw new UnexpectedErrorException(e.getMessage(), e);
 308         }
 309     }
 310
 311     private void handleMultiLocalCommand(
 312             final MultiLocalCommand command,
 313             final SignalAccountFiles signalAccountFiles,
 314             final OutputWriter outputWriter
 315     ) throws CommandException {
 316         try (var multiAccountManager = signalAccountFiles.initMultiAccountManager()) {
 317             command.handleCommand(ns, multiAccountManager, outputWriter);
 318         } catch (IOException e) {
 319             throw new IOErrorException("Failed to load local accounts file", e);
 320         }
 321     }
 322
 323     private void handleMultiLocalCommand(
 324             final MultiLocalCommand c, final DBusConnection dBusConn, final OutputWriter outputWriter
 325     ) throws CommandException, DBusException {
 326         final var signalControl = dBusConn.getRemoteObject(DbusConfig.getBusname(),
 327                 DbusConfig.getObjectPath(),
 328                 SignalControl.class);
 329         try (final var multiAccountManager = new DbusMultiAccountManagerImpl(signalControl, dBusConn)) {
 330             c.handleCommand(ns, multiAccountManager, outputWriter);
 331         } catch (UnsupportedOperationException e) {
 332             throw new UserErrorException("Command is not yet implemented via dbus", e);
 333         }
 334     }
 335
 336     private RegistrationManager loadRegistrationManager(
 337             final String account, final SignalAccountFiles signalAccountFiles
 338     ) throws UnexpectedErrorException {
 339         try {
 340             return signalAccountFiles.initRegistrationManager(account);
 341         } catch (Throwable e) {
 342             throw new UnexpectedErrorException("Error loading or creating state file: "
 343                     + e.getMessage()
 344                     + " ("
 345                     + e.getClass().getSimpleName()
 346                     + ")", e);
 347         }
 348     }
 349
 350     private Manager loadManager(
 351             final String account, final SignalAccountFiles signalAccountFiles
 352     ) throws CommandException {
 353         logger.trace("Loading account file for {}", account);
 354         try {
 355             return signalAccountFiles.initManager(account);
 356         } catch (NotRegisteredException e) {
 357             throw new UserErrorException("User " + account + " is not registered.");
 358         } catch (AccountCheckException ace) {
 359             if (ace.getCause() instanceof IOException e) {
 360                 throw new IOErrorException("Error while checking account " + account + ": " + e.getMessage(), e);
 361             } else {
 362                 throw new UnexpectedErrorException("Error while checking account " + account + ": " + ace.getMessage(),
 363                         ace);
 364             }
 365         } catch (Throwable e) {
 366             throw new UnexpectedErrorException("Error loading state file for user "
 367                     + account
 368                     + ": "
 369                     + e.getMessage()
 370                     + " ("
 371                     + e.getClass().getSimpleName()
 372                     + ")", e);
 373         }
 374     }
 375
 376     private void initDbusClient(
 377             final Command command, final String account, final boolean systemBus, final OutputWriter outputWriter
 378     ) throws CommandException {
 379         try {
 380             DBusConnection.DBusBusType busType;
 381             if (systemBus) {
 382                 busType = DBusConnection.DBusBusType.SYSTEM;
 383             } else {
 384                 busType = DBusConnection.DBusBusType.SESSION;
 385             }
 386             try (var dBusConn = DBusConnectionBuilder.forType(busType).build()) {
 387                 if (command instanceof ProvisioningCommand c) {
 388                     if (account != null) {
 389                         throw new UserErrorException("You cannot specify a account (phone number) when linking");
 390                     }
 391
 392                     handleProvisioningCommand(c, dBusConn, outputWriter);
 393                     return;
 394                 }
 395
 396                 if (account == null && command instanceof MultiLocalCommand c) {
 397                     handleMultiLocalCommand(c, dBusConn, outputWriter);
 398                     return;
 399                 }
 400                 if (account != null && command instanceof RegistrationCommand c) {
 401                     handleRegistrationCommand(c, account, dBusConn, outputWriter);
 402                     return;
 403                 }
 404                 if (!(command instanceof LocalCommand localCommand)) {
 405                     throw new UserErrorException("Command only works in multi-account mode");
 406                 }
 407
 408                 var accountObjectPath = account == null ? tryGetSingleAccountObjectPath(dBusConn) : null;
 409                 if (accountObjectPath == null) {
 410                     accountObjectPath = DbusConfig.getObjectPath(account);
 411                 }
 412                 handleLocalCommand(localCommand, accountObjectPath, dBusConn, outputWriter);
 413             }
 414         } catch (ServiceUnknown e) {
 415             throw new UserErrorException("signal-cli DBus daemon not running on "
 416                     + (systemBus ? "system" : "session")
 417                     + " bus: "
 418                     + e.getMessage(), e);
 419         } catch (DBusExecutionException | DBusException | IOException e) {
 420             throw new UnexpectedErrorException("Dbus client failed: " + e.getMessage(), e);
 421         }
 422     }
 423
 424     private String tryGetSingleAccountObjectPath(final DBusConnection dBusConn) throws DBusException, CommandException {
 425         var control = dBusConn.getRemoteObject(DbusConfig.getBusname(),
 426                 DbusConfig.getObjectPath(),
 427                 SignalControl.class);
 428         try {
 429             final var accounts = control.listAccounts();
 430             if (accounts.size() == 0) {
 431                 throw new UserErrorException("No local users found, you first need to register or link an account");
 432             } else if (accounts.size() > 1) {
 433                 throw new UserErrorException(
 434                         "Multiple users found, you need to specify an account (phone number) with -a");
 435             }
 436
 437             return accounts.get(0).getPath();
 438         } catch (UnknownMethod e) {
 439             // dbus daemon not running in multi-account mode
 440             return null;
 441         }
 442     }
 443
 444     /**
 445      * @return the default data directory to be used by signal-cli.
 446      */
 447     private static File getDefaultConfigPath() {
 448         return new File(IOUtils.getDataHomeDir(), "signal-cli");
 449     }
 450 }