X-Git-Url: https://git.nmode.ca/signal-cli/blobdiff_plain/dd4225dcb193218a6c20a2e12514d0dac2e2a3a0..03f193b34ca7e2685d0166efe28ac02c0f355932:/src/main/java/org/asamk/signal/App.java diff --git a/src/main/java/org/asamk/signal/App.java b/src/main/java/org/asamk/signal/App.java index 6dc3d799..058ae6bb 100644 --- a/src/main/java/org/asamk/signal/App.java +++ b/src/main/java/org/asamk/signal/App.java @@ -3,39 +3,53 @@ package org.asamk.signal; import net.sourceforge.argparse4j.ArgumentParsers; import net.sourceforge.argparse4j.impl.Arguments; import net.sourceforge.argparse4j.inf.ArgumentParser; -import net.sourceforge.argparse4j.inf.MutuallyExclusiveGroup; import net.sourceforge.argparse4j.inf.Namespace; -import net.sourceforge.argparse4j.inf.Subparser; -import net.sourceforge.argparse4j.inf.Subparsers; import org.asamk.Signal; +import org.asamk.SignalControl; import org.asamk.signal.commands.Command; import org.asamk.signal.commands.Commands; -import org.asamk.signal.commands.DbusCommand; -import org.asamk.signal.commands.ExtendedDbusCommand; import org.asamk.signal.commands.LocalCommand; import org.asamk.signal.commands.MultiLocalCommand; import org.asamk.signal.commands.ProvisioningCommand; import org.asamk.signal.commands.RegistrationCommand; +import org.asamk.signal.commands.exceptions.CommandException; +import org.asamk.signal.commands.exceptions.IOErrorException; +import org.asamk.signal.commands.exceptions.UnexpectedErrorException; +import org.asamk.signal.commands.exceptions.UserErrorException; +import org.asamk.signal.dbus.DbusManagerImpl; +import org.asamk.signal.dbus.DbusMultiAccountManagerImpl; +import org.asamk.signal.dbus.DbusProvisioningManagerImpl; +import org.asamk.signal.dbus.DbusRegistrationManagerImpl; import org.asamk.signal.manager.Manager; -import org.asamk.signal.manager.NotRegisteredException; -import org.asamk.signal.manager.ProvisioningManager; import org.asamk.signal.manager.RegistrationManager; -import org.asamk.signal.manager.ServiceConfig; +import org.asamk.signal.manager.Settings; +import org.asamk.signal.manager.SignalAccountFiles; +import org.asamk.signal.manager.api.AccountCheckException; +import org.asamk.signal.manager.api.NotRegisteredException; +import org.asamk.signal.manager.config.ServiceConfig; +import org.asamk.signal.manager.config.ServiceEnvironment; +import org.asamk.signal.manager.storage.identities.TrustNewIdentity; +import org.asamk.signal.output.JsonWriterImpl; +import org.asamk.signal.output.OutputWriter; +import org.asamk.signal.output.PlainTextWriterImpl; import org.asamk.signal.util.IOUtils; import org.freedesktop.dbus.connections.impl.DBusConnection; +import org.freedesktop.dbus.connections.impl.DBusConnectionBuilder; +import org.freedesktop.dbus.errors.ServiceUnknown; +import org.freedesktop.dbus.errors.UnknownMethod; import org.freedesktop.dbus.exceptions.DBusException; +import org.freedesktop.dbus.exceptions.DBusExecutionException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -import org.whispersystems.signalservice.api.util.PhoneNumberFormatter; -import org.whispersystems.signalservice.internal.configuration.SignalServiceConfiguration; +import java.io.BufferedWriter; import java.io.File; import java.io.IOException; -import java.util.List; -import java.util.Map; -import java.util.Objects; -import java.util.stream.Collectors; +import java.io.OutputStreamWriter; +import java.util.Set; + +import static net.sourceforge.argparse4j.DefaultSettings.VERSION_0_9_0_DEFAULT_SETTINGS; public class App { @@ -44,37 +58,60 @@ public class App { private final Namespace ns; static ArgumentParser buildArgumentParser() { - ArgumentParser parser = ArgumentParsers.newFor("signal-cli") + var parser = ArgumentParsers.newFor("signal-cli", VERSION_0_9_0_DEFAULT_SETTINGS) + .includeArgumentNamesAsKeysInResult(true) .build() .defaultHelp(true) .description("Commandline interface for Signal.") .version(BaseConfig.PROJECT_NAME + " " + BaseConfig.PROJECT_VERSION); - parser.addArgument("-v", "--version").help("Show package version.").action(Arguments.version()); - parser.addArgument("--verbose") - .help("Raise log level and include lib signal logs.") - .action(Arguments.storeTrue()); - parser.addArgument("--config") + parser.addArgument("--version").help("Show package version.").action(Arguments.version()); + parser.addArgument("-v", "--verbose") + .help("Raise log level and include lib signal logs. Specify multiple times for even more logs.") + .action(Arguments.count()); + parser.addArgument("--log-file") + .type(File.class) + .help("Write log output to the given file. If --verbose is also given, the detailed logs will only be written to the log file."); + parser.addArgument("--scrub-log") + .action(Arguments.storeTrue()) + .help("Scrub possibly sensitive information from the log, like phone numbers and UUIDs."); + parser.addArgument("-c", "--config") .help("Set the path, where to store the config (Default: $XDG_DATA_HOME/signal-cli , $HOME/.local/share/signal-cli)."); - parser.addArgument("-u", "--username").help("Specify your phone number, that will be used for verification."); + parser.addArgument("-a", "--account", "-u", "--username") + .help("Specify your phone number, that will be your identifier."); - MutuallyExclusiveGroup mut = parser.addMutuallyExclusiveGroup(); - mut.addArgument("--dbus").help("Make request via user dbus.").action(Arguments.storeTrue()); - mut.addArgument("--dbus-system").help("Make request via system dbus.").action(Arguments.storeTrue()); + var mut = parser.addMutuallyExclusiveGroup(); + mut.addArgument("--dbus").dest("global-dbus").help("Make request via user dbus.").action(Arguments.storeTrue()); + mut.addArgument("--dbus-system") + .dest("global-dbus-system") + .help("Make request via system dbus.") + .action(Arguments.storeTrue()); parser.addArgument("-o", "--output") .help("Choose to output in plain text or JSON") - .type(Arguments.enumStringType(OutputType.class)) - .setDefault(OutputType.PLAIN_TEXT); + .type(Arguments.enumStringType(OutputType.class)); - Subparsers subparsers = parser.addSubparsers().title("subcommands").dest("command"); + parser.addArgument("--service-environment") + .help("Choose the server environment to use.") + .type(Arguments.enumStringType(ServiceEnvironmentCli.class)) + .setDefault(ServiceEnvironmentCli.LIVE); - final Map commands = Commands.getCommands(); - for (Map.Entry entry : commands.entrySet()) { - Subparser subparser = subparsers.addParser(entry.getKey()); - entry.getValue().attachToSubparser(subparser); - } + parser.addArgument("--trust-new-identities") + .help("Choose when to trust new identities.") + .type(Arguments.enumStringType(TrustNewIdentityCli.class)) + .setDefault(TrustNewIdentityCli.ON_FIRST_USE); + + parser.addArgument("--disable-send-log") + .help("Disable message send log (for resending messages that recipient couldn't decrypt)") + .action(Arguments.storeTrue()); + + var subparsers = parser.addSubparsers().title("subcommands").dest("command"); + + Commands.getCommandSubparserAttachers().forEach((key, value) -> { + var subparser = subparsers.addParser(key); + value.attachToSubparser(subparser); + }); return parser; } @@ -83,184 +120,262 @@ public class App { this.ns = ns; } - public int init() { - String commandKey = ns.getString("command"); - Command command = Commands.getCommand(commandKey); + public void init() throws CommandException { + var commandKey = ns.getString("command"); + var command = Commands.getCommand(commandKey); if (command == null) { - logger.error("Command not implemented!"); - return 1; + throw new UserErrorException("Command not implemented!"); } - OutputType outputType = ns.get("output"); - if (!command.getSupportedOutputTypes().contains(outputType)) { - logger.error("Command doesn't support output type {}", outputType.toString()); - return 1; + var outputTypeInput = ns.get("output"); + var outputType = outputTypeInput == null + ? command.getSupportedOutputTypes().stream().findFirst().orElse(null) + : outputTypeInput; + var writer = new BufferedWriter(new OutputStreamWriter(System.out, IOUtils.getConsoleCharset())); + var outputWriter = outputType == null + ? null + : outputType == OutputType.JSON ? new JsonWriterImpl(writer) : new PlainTextWriterImpl(writer); + + if (outputWriter != null && !command.getSupportedOutputTypes().contains(outputType)) { + throw new UserErrorException("Command doesn't support output type " + outputType); } - String username = ns.getString("username"); + var account = ns.getString("account"); - final boolean useDbus = ns.getBoolean("dbus"); - final boolean useDbusSystem = ns.getBoolean("dbus_system"); + final var useDbus = Boolean.TRUE.equals(ns.getBoolean("global-dbus")); + final var useDbusSystem = Boolean.TRUE.equals(ns.getBoolean("global-dbus-system")); if (useDbus || useDbusSystem) { - // If username is null, it will connect to the default object path - return initDbusClient(command, username, useDbusSystem); + // If account is null, it will connect to the default object path + initDbusClient(command, account, useDbusSystem, outputWriter); + return; } - final File dataPath; - String config = ns.getString("config"); + if (!ServiceConfig.isSignalClientAvailable()) { + throw new UserErrorException("Missing required native library dependency: libsignal-client"); + } + + final File configPath; + var config = ns.getString("config"); if (config != null) { - dataPath = new File(config); + configPath = new File(config); } else { - dataPath = getDefaultDataPath(); + configPath = getDefaultConfigPath(); } - final SignalServiceConfiguration serviceConfiguration = ServiceConfig.createDefaultServiceConfiguration( - BaseConfig.USER_AGENT); + final var serviceEnvironmentCli = ns.get("service-environment"); + final var serviceEnvironment = serviceEnvironmentCli == ServiceEnvironmentCli.LIVE + ? ServiceEnvironment.LIVE + : ServiceEnvironment.STAGING; + + final var trustNewIdentityCli = ns.get("trust-new-identities"); + final var trustNewIdentity = trustNewIdentityCli == TrustNewIdentityCli.ON_FIRST_USE + ? TrustNewIdentity.ON_FIRST_USE + : trustNewIdentityCli == TrustNewIdentityCli.ALWAYS ? TrustNewIdentity.ALWAYS : TrustNewIdentity.NEVER; + + final var disableSendLog = Boolean.TRUE.equals(ns.getBoolean("disable-send-log")); - if (!ServiceConfig.getCapabilities().isGv2()) { - logger.warn("WARNING: Support for new group V2 is disabled," - + " because the required native library dependency is missing: libzkgroup"); + final SignalAccountFiles signalAccountFiles; + try { + signalAccountFiles = new SignalAccountFiles(configPath, + serviceEnvironment, + BaseConfig.USER_AGENT, + new Settings(trustNewIdentity, disableSendLog)); + } catch (IOException e) { + throw new IOErrorException("Failed to read local accounts list", e); } - if (command instanceof ProvisioningCommand) { - if (username != null) { - System.err.println("You cannot specify a username (phone number) when linking"); - return 1; + if (command instanceof ProvisioningCommand provisioningCommand) { + if (account != null) { + throw new UserErrorException("You cannot specify a account (phone number) when linking"); } - return handleProvisioningCommand((ProvisioningCommand) command, dataPath, serviceConfiguration); + handleProvisioningCommand(provisioningCommand, signalAccountFiles, outputWriter); + return; } - if (username == null) { - List usernames = Manager.getAllLocalUsernames(dataPath); - if (usernames.size() == 0) { - System.err.println("No local users found, you first need to register or link an account"); - return 1; + if (account == null) { + if (command instanceof MultiLocalCommand multiLocalCommand) { + handleMultiLocalCommand(multiLocalCommand, signalAccountFiles, outputWriter); + return; } - if (command instanceof MultiLocalCommand) { - return handleMultiLocalCommand((MultiLocalCommand) command, dataPath, serviceConfiguration, usernames); + Set accounts = null; + try { + accounts = signalAccountFiles.getAllLocalAccountNumbers(); + } catch (IOException e) { + throw new IOErrorException("Failed to load local accounts file", e); } - - if (usernames.size() > 1) { - System.err.println("Multiple users found, you need to specify a username (phone number) with -u"); - return 1; + if (accounts.size() == 0) { + throw new UserErrorException("No local users found, you first need to register or link an account"); + } else if (accounts.size() > 1) { + throw new UserErrorException( + "Multiple users found, you need to specify an account (phone number) with -a"); } - username = usernames.get(0); - } else if (!PhoneNumberFormatter.isValidNumber(username, null)) { - System.err.println("Invalid username (phone number), make sure you include the country code."); - return 1; + account = accounts.stream().findFirst().get(); + } else if (!Manager.isValidNumber(account, null)) { + throw new UserErrorException("Invalid account (phone number), make sure you include the country code."); } - if (command instanceof RegistrationCommand) { - return handleRegistrationCommand((RegistrationCommand) command, username, dataPath, serviceConfiguration); + if (command instanceof RegistrationCommand registrationCommand) { + handleRegistrationCommand(registrationCommand, account, signalAccountFiles); + return; } if (!(command instanceof LocalCommand)) { - System.err.println("Command only works via dbus"); - return 1; + throw new UserErrorException("Command only works in multi-account mode"); } - return handleLocalCommand((LocalCommand) command, username, dataPath, serviceConfiguration); + handleLocalCommand((LocalCommand) command, account, signalAccountFiles, outputWriter); } - private int handleProvisioningCommand( + private void handleProvisioningCommand( final ProvisioningCommand command, - final File dataPath, - final SignalServiceConfiguration serviceConfiguration - ) { - ProvisioningManager pm = new ProvisioningManager(dataPath, serviceConfiguration, BaseConfig.USER_AGENT); - return command.handleCommand(ns, pm); + final SignalAccountFiles signalAccountFiles, + final OutputWriter outputWriter + ) throws CommandException { + var pm = signalAccountFiles.initProvisioningManager(); + command.handleCommand(ns, pm, outputWriter); } - private int handleRegistrationCommand( - final RegistrationCommand command, - final String username, - final File dataPath, - final SignalServiceConfiguration serviceConfiguration - ) { - final RegistrationManager manager; + private void handleProvisioningCommand( + final ProvisioningCommand c, final DBusConnection dBusConn, final OutputWriter outputWriter + ) throws CommandException, DBusException { + final var signalControl = dBusConn.getRemoteObject(DbusConfig.getBusname(), + DbusConfig.getObjectPath(), + SignalControl.class); + final var provisioningManager = new DbusProvisioningManagerImpl(signalControl, dBusConn); try { - manager = RegistrationManager.init(username, dataPath, serviceConfiguration, BaseConfig.USER_AGENT); - } catch (Throwable e) { - logger.error("Error loading or creating state file: {}", e.getMessage()); - return 2; + c.handleCommand(ns, provisioningManager, outputWriter); + } catch (UnsupportedOperationException e) { + throw new UserErrorException("Command is not yet implemented via dbus", e); + } catch (DBusExecutionException e) { + throw new UnexpectedErrorException(e.getMessage(), e); } - try (RegistrationManager m = manager) { - return command.handleCommand(ns, m); + } + + private void handleRegistrationCommand( + final RegistrationCommand command, final String account, final SignalAccountFiles signalAccountFiles + ) throws CommandException { + try (final var manager = loadRegistrationManager(account, signalAccountFiles)) { + command.handleCommand(ns, manager); } catch (IOException e) { - logger.error("Cleanup failed", e); - return 2; + logger.warn("Cleanup failed", e); } } - private int handleLocalCommand( - final LocalCommand command, - final String username, - final File dataPath, - final SignalServiceConfiguration serviceConfiguration - ) { - try (Manager m = loadManager(username, dataPath, serviceConfiguration)) { - if (m == null) { - return 2; - } + private void handleRegistrationCommand( + final RegistrationCommand c, String account, final DBusConnection dBusConn, final OutputWriter outputWriter + ) throws CommandException, DBusException { + final var signalControl = dBusConn.getRemoteObject(DbusConfig.getBusname(), + DbusConfig.getObjectPath(), + SignalControl.class); + try (final var registrationManager = new DbusRegistrationManagerImpl(account, signalControl, dBusConn)) { + c.handleCommand(ns, registrationManager); + } catch (UnsupportedOperationException e) { + throw new UserErrorException("Command is not yet implemented via dbus", e); + } catch (DBusExecutionException e) { + throw new UnexpectedErrorException(e.getMessage(), e); + } + } - return command.handleCommand(ns, m); + private void handleLocalCommand( + final LocalCommand command, + final String account, + final SignalAccountFiles signalAccountFiles, + final OutputWriter outputWriter + ) throws CommandException { + try (var m = loadManager(account, signalAccountFiles)) { + command.handleCommand(ns, m, outputWriter); } catch (IOException e) { - logger.error("Cleanup failed", e); - return 2; + logger.warn("Cleanup failed", e); + } + } + + private void handleLocalCommand( + final LocalCommand c, + String accountObjectPath, + final DBusConnection dBusConn, + final OutputWriter outputWriter + ) throws CommandException, DBusException { + var signal = dBusConn.getRemoteObject(DbusConfig.getBusname(), accountObjectPath, Signal.class); + try (final var m = new DbusManagerImpl(signal, dBusConn)) { + c.handleCommand(ns, m, outputWriter); + } catch (UnsupportedOperationException e) { + throw new UserErrorException("Command is not yet implemented via dbus", e); + } catch (DBusExecutionException e) { + throw new UnexpectedErrorException(e.getMessage(), e); } } - private int handleMultiLocalCommand( + private void handleMultiLocalCommand( final MultiLocalCommand command, - final File dataPath, - final SignalServiceConfiguration serviceConfiguration, - final List usernames - ) { - final List managers = usernames.stream() - .map(u -> loadManager(u, dataPath, serviceConfiguration)) - .filter(Objects::nonNull) - .collect(Collectors.toList()); - - int result = command.handleCommand(ns, managers); - - for (Manager m : managers) { - try { - m.close(); - } catch (IOException e) { - logger.warn("Cleanup failed", e); - } + final SignalAccountFiles signalAccountFiles, + final OutputWriter outputWriter + ) throws CommandException { + try (var multiAccountManager = signalAccountFiles.initMultiAccountManager()) { + command.handleCommand(ns, multiAccountManager, outputWriter); + } catch (IOException e) { + throw new IOErrorException("Failed to load local accounts file", e); } - return result; } - private Manager loadManager( - final String username, final File dataPath, final SignalServiceConfiguration serviceConfiguration - ) { - Manager manager; + private void handleMultiLocalCommand( + final MultiLocalCommand c, final DBusConnection dBusConn, final OutputWriter outputWriter + ) throws CommandException, DBusException { + final var signalControl = dBusConn.getRemoteObject(DbusConfig.getBusname(), + DbusConfig.getObjectPath(), + SignalControl.class); + try (final var multiAccountManager = new DbusMultiAccountManagerImpl(signalControl, dBusConn)) { + c.handleCommand(ns, multiAccountManager, outputWriter); + } catch (UnsupportedOperationException e) { + throw new UserErrorException("Command is not yet implemented via dbus", e); + } + } + + private RegistrationManager loadRegistrationManager( + final String account, final SignalAccountFiles signalAccountFiles + ) throws UnexpectedErrorException { try { - manager = Manager.init(username, dataPath, serviceConfiguration, BaseConfig.USER_AGENT); - } catch (NotRegisteredException e) { - logger.error("User " + username + " is not registered."); - return null; + return signalAccountFiles.initRegistrationManager(account); } catch (Throwable e) { - logger.error("Error loading state file for user " + username + ": {}", e.getMessage()); - return null; + throw new UnexpectedErrorException("Error loading or creating state file: " + + e.getMessage() + + " (" + + e.getClass().getSimpleName() + + ")", e); } + } + private Manager loadManager( + final String account, final SignalAccountFiles signalAccountFiles + ) throws CommandException { + logger.trace("Loading account file for {}", account); try { - manager.checkAccountState(); - } catch (IOException e) { - logger.error("Error while checking account " + username + ": {}", e.getMessage()); - return null; + return signalAccountFiles.initManager(account); + } catch (NotRegisteredException e) { + throw new UserErrorException("User " + account + " is not registered."); + } catch (AccountCheckException ace) { + if (ace.getCause() instanceof IOException e) { + throw new IOErrorException("Error while checking account " + account + ": " + e.getMessage(), e); + } else { + throw new UnexpectedErrorException("Error while checking account " + account + ": " + ace.getMessage(), + ace); + } + } catch (Throwable e) { + throw new UnexpectedErrorException("Error loading state file for user " + + account + + ": " + + e.getMessage() + + " (" + + e.getClass().getSimpleName() + + ")", e); } - - return manager; } - private int initDbusClient(final Command command, final String username, final boolean systemBus) { + private void initDbusClient( + final Command command, final String account, final boolean systemBus, final OutputWriter outputWriter + ) throws CommandException { try { DBusConnection.DBusBusType busType; if (systemBus) { @@ -268,55 +383,68 @@ public class App { } else { busType = DBusConnection.DBusBusType.SESSION; } - try (DBusConnection dBusConn = DBusConnection.getConnection(busType)) { - Signal ts = dBusConn.getRemoteObject(DbusConfig.getBusname(), - DbusConfig.getObjectPath(username), - Signal.class); - - return handleCommand(command, ts, dBusConn); + try (var dBusConn = DBusConnectionBuilder.forType(busType).build()) { + if (command instanceof ProvisioningCommand c) { + if (account != null) { + throw new UserErrorException("You cannot specify a account (phone number) when linking"); + } + + handleProvisioningCommand(c, dBusConn, outputWriter); + return; + } + + if (account == null && command instanceof MultiLocalCommand c) { + handleMultiLocalCommand(c, dBusConn, outputWriter); + return; + } + if (account != null && command instanceof RegistrationCommand c) { + handleRegistrationCommand(c, account, dBusConn, outputWriter); + return; + } + if (!(command instanceof LocalCommand localCommand)) { + throw new UserErrorException("Command only works in multi-account mode"); + } + + var accountObjectPath = account == null ? tryGetSingleAccountObjectPath(dBusConn) : null; + if (accountObjectPath == null) { + accountObjectPath = DbusConfig.getObjectPath(account); + } + handleLocalCommand(localCommand, accountObjectPath, dBusConn, outputWriter); } - } catch (DBusException | IOException e) { - logger.error("Dbus client failed", e); - return 2; + } catch (ServiceUnknown e) { + throw new UserErrorException("signal-cli DBus daemon not running on " + + (systemBus ? "system" : "session") + + " bus: " + + e.getMessage(), e); + } catch (DBusExecutionException | DBusException | IOException e) { + throw new UnexpectedErrorException("Dbus client failed: " + e.getMessage(), e); } } - private int handleCommand(Command command, Signal ts, DBusConnection dBusConn) { - if (command instanceof ExtendedDbusCommand) { - return ((ExtendedDbusCommand) command).handleCommand(ns, ts, dBusConn); - } else if (command instanceof DbusCommand) { - return ((DbusCommand) command).handleCommand(ns, ts); - } else { - System.err.println("Command is not yet implemented via dbus"); - return 1; + private String tryGetSingleAccountObjectPath(final DBusConnection dBusConn) throws DBusException, CommandException { + var control = dBusConn.getRemoteObject(DbusConfig.getBusname(), + DbusConfig.getObjectPath(), + SignalControl.class); + try { + final var accounts = control.listAccounts(); + if (accounts.size() == 0) { + throw new UserErrorException("No local users found, you first need to register or link an account"); + } else if (accounts.size() > 1) { + throw new UserErrorException( + "Multiple users found, you need to specify an account (phone number) with -a"); + } + + return accounts.get(0).getPath(); + } catch (UnknownMethod e) { + // dbus daemon not running in multi-account mode + return null; } } /** - * Uses $XDG_DATA_HOME/signal-cli if it exists, or if none of the legacy directories exist: - * - $HOME/.config/signal - * - $HOME/.config/textsecure - * - * @return the data directory to be used by signal-cli. + * @return the default data directory to be used by signal-cli. */ - private static File getDefaultDataPath() { - File dataPath = new File(IOUtils.getDataHomeDir(), "signal-cli"); - if (dataPath.exists()) { - return dataPath; - } - - File configPath = new File(System.getProperty("user.home"), ".config"); - - File legacySettingsPath = new File(configPath, "signal"); - if (legacySettingsPath.exists()) { - return legacySettingsPath; - } - - legacySettingsPath = new File(configPath, "textsecure"); - if (legacySettingsPath.exists()) { - return legacySettingsPath; - } - - return dataPath; + private static File getDefaultConfigPath() { + return new File(IOUtils.getDataHomeDir(), "signal-cli"); } }