Extract dbus client command handling

[signal-cli] / 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 4e5b1e9fcb9be3d3d7a61f3b4132133a099f12c0..c31e6f49de5c9101f1746ca786109529df0c1e46 100644 (file)
--- a/src/main/java/org/asamk/signal/App.java
+++ b/src/main/java/org/asamk/signal/App.java
@@ -5,9 +5,8 @@ import net.sourceforge.argparse4j.impl.Arguments;
 import net.sourceforge.argparse4j.inf.ArgumentParser;
 import net.sourceforge.argparse4j.inf.Namespace;
 
 import net.sourceforge.argparse4j.inf.ArgumentParser;
 import net.sourceforge.argparse4j.inf.Namespace;
 

-import org.asamk.Signal;
-import org.asamk.SignalControl;

 import org.asamk.signal.commands.Command;
 import org.asamk.signal.commands.Command;

+import org.asamk.signal.commands.CommandHandler;

 import org.asamk.signal.commands.Commands;
 import org.asamk.signal.commands.LocalCommand;
 import org.asamk.signal.commands.MultiLocalCommand;
 import org.asamk.signal.commands.Commands;
 import org.asamk.signal.commands.LocalCommand;
 import org.asamk.signal.commands.MultiLocalCommand;


@@ -17,26 +16,21 @@ 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.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.dbus.DbusCommandHandler;

 import org.asamk.signal.manager.Manager;
 import org.asamk.signal.manager.Manager;

-import org.asamk.signal.manager.MultiAccountManager;
-import org.asamk.signal.manager.ProvisioningManager;

 import org.asamk.signal.manager.RegistrationManager;
 import org.asamk.signal.manager.RegistrationManager;

+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.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.manager.api.ServiceEnvironment;
+import org.asamk.signal.manager.api.TrustNewIdentity;

 import org.asamk.signal.output.JsonWriterImpl;
 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.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.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.freedesktop.dbus.exceptions.DBusException;
 import org.freedesktop.dbus.exceptions.DBusExecutionException;
 import org.slf4j.Logger;


@@ -46,7 +40,7 @@ import java.io.BufferedWriter;
 import java.io.File;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.io.File;
 import java.io.IOException;
 import java.io.OutputStreamWriter;

-import java.nio.charset.Charset;
+import java.util.Set;

 
 import static net.sourceforge.argparse4j.DefaultSettings.VERSION_0_9_0_DEFAULT_SETTINGS;
 
 
 import static net.sourceforge.argparse4j.DefaultSettings.VERSION_0_9_0_DEFAULT_SETTINGS;
 


@@ -64,13 +58,16 @@ public class App {
                 .description("Commandline interface for Signal.")
                 .version(BaseConfig.PROJECT_NAME + " " + BaseConfig.PROJECT_VERSION);
 
                 .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")
+        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.");
                 .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("-c", "--config")
                 .help("Set the path, where to store the config (Default: $XDG_DATA_HOME/signal-cli , $HOME/.local/share/signal-cli).");
 


@@ -98,6 +95,10 @@ public class App {
                 .type(Arguments.enumStringType(TrustNewIdentityCli.class))
                 .setDefault(TrustNewIdentityCli.ON_FIRST_USE);
 
                 .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 subparsers = parser.addSubparsers().title("subcommands").dest("command");
 
         Commands.getCommandSubparserAttachers().forEach((key, value) -> {


@@ -113,6 +114,7 @@ public class App {
     }
 
     public void init() throws CommandException {
     }
 
     public void init() throws CommandException {

+        logger.debug("Starting {}", BaseConfig.PROJECT_NAME + " " + BaseConfig.PROJECT_VERSION);

         var commandKey = ns.getString("command");
         var command = Commands.getCommand(commandKey);
         if (command == null) {
         var commandKey = ns.getString("command");
         var command = Commands.getCommand(commandKey);
         if (command == null) {


@@ -123,7 +125,7 @@ public class App {
         var outputType = outputTypeInput == null
                 ? command.getSupportedOutputTypes().stream().findFirst().orElse(null)
                 : outputTypeInput;
         var outputType = outputTypeInput == null
                 ? command.getSupportedOutputTypes().stream().findFirst().orElse(null)
                 : outputTypeInput;

-        var writer = new BufferedWriter(new OutputStreamWriter(System.out, Charset.defaultCharset()));
+        var writer = new BufferedWriter(new OutputStreamWriter(System.out, IOUtils.getConsoleCharset()));

         var outputWriter = outputType == null
                 ? null
                 : outputType == OutputType.JSON ? new JsonWriterImpl(writer) : new PlainTextWriterImpl(writer);
         var outputWriter = outputType == null
                 ? null
                 : outputType == OutputType.JSON ? new JsonWriterImpl(writer) : new PlainTextWriterImpl(writer);


@@ -132,17 +134,19 @@ public class App {
             throw new UserErrorException("Command doesn't support output type " + outputType);
         }
 
             throw new UserErrorException("Command doesn't support output type " + outputType);
         }
 

+        final var commandHandler = new CommandHandler(ns, outputWriter);
+

         var account = ns.getString("account");
 
         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 account is null, it will connect to the default object path
         var account = ns.getString("account");
 
         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 account is null, it will connect to the default object path

-            initDbusClient(command, account, useDbusSystem, outputWriter);
+            initDbusClient(command, account, useDbusSystem, commandHandler);

             return;
         }
 
             return;
         }
 

-        if (!ServiceConfig.isSignalClientAvailable()) {
+        if (!Manager.isSignalClientAvailable()) {

             throw new UserErrorException("Missing required native library dependency: libsignal-client");
         }
 
             throw new UserErrorException("Missing required native library dependency: libsignal-client");
         }
 


@@ -164,26 +168,39 @@ public class App {
                 ? TrustNewIdentity.ON_FIRST_USE
                 : trustNewIdentityCli == TrustNewIdentityCli.ALWAYS ? TrustNewIdentity.ALWAYS : TrustNewIdentity.NEVER;
 
                 ? TrustNewIdentity.ON_FIRST_USE
                 : trustNewIdentityCli == TrustNewIdentityCli.ALWAYS ? TrustNewIdentity.ALWAYS : TrustNewIdentity.NEVER;
 

+        final var disableSendLog = Boolean.TRUE.equals(ns.getBoolean("disable-send-log"));
+
+        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 provisioningCommand) {
             if (account != null) {
                 throw new UserErrorException("You cannot specify a account (phone number) when linking");
             }
 
         if (command instanceof ProvisioningCommand provisioningCommand) {
             if (account != null) {
                 throw new UserErrorException("You cannot specify a account (phone number) when linking");
             }
 

-            handleProvisioningCommand(provisioningCommand, configPath, serviceEnvironment, outputWriter);
+            handleProvisioningCommand(provisioningCommand, signalAccountFiles, commandHandler);

             return;
         }
 
         if (account == null) {
             if (command instanceof MultiLocalCommand multiLocalCommand) {
             return;
         }
 
         if (account == null) {
             if (command instanceof MultiLocalCommand multiLocalCommand) {

-                handleMultiLocalCommand(multiLocalCommand,
-                        configPath,
-                        serviceEnvironment,
-                        outputWriter,
-                        trustNewIdentity);
+                handleMultiLocalCommand(multiLocalCommand, signalAccountFiles, commandHandler);

                 return;
             }
 
                 return;
             }
 

-            var accounts = MultiAccountManager.getAllLocalAccountNumbers(configPath);
+            Set<String> accounts;
+            try {
+                accounts = signalAccountFiles.getAllLocalAccountNumbers();
+            } catch (IOException e) {
+                throw new IOErrorException("Failed to load local accounts file", e);
+            }

             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) {
             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) {


@@ -191,13 +208,13 @@ public class App {
                         "Multiple users found, you need to specify an account (phone number) with -a");
             }
 
                         "Multiple users found, you need to specify an account (phone number) with -a");
             }
 

-            account = accounts.get(0);
+            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 registrationCommand) {
         } else if (!Manager.isValidNumber(account, null)) {
             throw new UserErrorException("Invalid account (phone number), make sure you include the country code.");
         }
 
         if (command instanceof RegistrationCommand registrationCommand) {

-            handleRegistrationCommand(registrationCommand, account, configPath, serviceEnvironment);
+            handleRegistrationCommand(registrationCommand, account, signalAccountFiles, commandHandler);

             return;
         }
 
             return;
         }
 


@@ -205,146 +222,76 @@ public class App {
             throw new UserErrorException("Command only works in multi-account mode");
         }
 
             throw new UserErrorException("Command only works in multi-account mode");
         }
 

-        handleLocalCommand((LocalCommand) command,
-                account,
-                configPath,
-                serviceEnvironment,
-                outputWriter,
-                trustNewIdentity);
+        handleLocalCommand((LocalCommand) command, account, signalAccountFiles, commandHandler);

     }
 
     private void handleProvisioningCommand(
             final ProvisioningCommand command,
     }
 
     private void handleProvisioningCommand(
             final ProvisioningCommand command,

-            final File configPath,
-            final ServiceEnvironment serviceEnvironment,
-            final OutputWriter outputWriter
+            final SignalAccountFiles signalAccountFiles,
+            final CommandHandler commandHandler

     ) throws CommandException {
     ) throws CommandException {

-        var pm = ProvisioningManager.init(configPath, serviceEnvironment, BaseConfig.USER_AGENT);
-        command.handleCommand(ns, pm, outputWriter);
-    }
-
-    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 {
-            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);
-        }
+        var pm = signalAccountFiles.initProvisioningManager();
+        commandHandler.handleProvisioningCommand(command, pm);

     }
 
     private void handleRegistrationCommand(
             final RegistrationCommand command,
             final String account,
     }
 
     private void handleRegistrationCommand(
             final RegistrationCommand command,
             final String account,

-            final File configPath,
-            final ServiceEnvironment serviceEnvironment
+            final SignalAccountFiles signalAccountFiles,
+            final CommandHandler commandHandler

     ) throws CommandException {
     ) throws CommandException {

-        final RegistrationManager manager;
-        try {
-            manager = RegistrationManager.init(account, configPath, serviceEnvironment, BaseConfig.USER_AGENT);
-        } catch (Throwable e) {
-            throw new UnexpectedErrorException("Error loading or creating state file: "
-                    + e.getMessage()
-                    + " ("
-                    + e.getClass().getSimpleName()
-                    + ")", e);
-        }
-        try (manager) {
-            command.handleCommand(ns, manager);
+        try (final var rm = loadRegistrationManager(account, signalAccountFiles)) {
+            commandHandler.handleRegistrationCommand(command, rm);

         } catch (IOException e) {
             logger.warn("Cleanup failed", e);
         }
     }
 
         } catch (IOException e) {
             logger.warn("Cleanup failed", e);
         }
     }
 

-    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);
-        }
-    }
-

     private void handleLocalCommand(
             final LocalCommand command,
             final String account,
     private void handleLocalCommand(
             final LocalCommand command,
             final String account,

-            final File configPath,
-            final ServiceEnvironment serviceEnvironment,
-            final OutputWriter outputWriter,
-            final TrustNewIdentity trustNewIdentity
+            final SignalAccountFiles signalAccountFiles,
+            final CommandHandler commandHandler

     ) throws CommandException {
     ) throws CommandException {

-        try (var m = loadManager(account, configPath, serviceEnvironment, trustNewIdentity)) {
-            command.handleCommand(ns, m, outputWriter);
+        try (var m = loadManager(account, signalAccountFiles)) {
+            commandHandler.handleLocalCommand(command, m);

         } catch (IOException e) {
             logger.warn("Cleanup failed", e);
         }
     }
 
         } catch (IOException e) {
             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 void handleMultiLocalCommand(
             final MultiLocalCommand command,
     private void handleMultiLocalCommand(
             final MultiLocalCommand command,

-            final File configPath,
-            final ServiceEnvironment serviceEnvironment,
-            final OutputWriter outputWriter,
-            final TrustNewIdentity trustNewIdentity
+            final SignalAccountFiles signalAccountFiles,
+            final CommandHandler commandHandler

     ) throws CommandException {
     ) throws CommandException {

-        try (var multiAccountManager = MultiAccountManager.init(configPath,
-                serviceEnvironment,
-                BaseConfig.USER_AGENT,
-                trustNewIdentity)) {
-            command.handleCommand(ns, multiAccountManager, outputWriter);
+        try (var multiAccountManager = signalAccountFiles.initMultiAccountManager()) {
+            commandHandler.handleMultiLocalCommand(command, multiAccountManager);
+        } catch (IOException e) {
+            throw new IOErrorException("Failed to load local accounts file", e);

         }
     }
 
         }
     }
 

-    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 {
+            return signalAccountFiles.initRegistrationManager(account);
+        } catch (Throwable e) {
+            throw new UnexpectedErrorException("Error loading or creating state file: "
+                    + e.getMessage()
+                    + " ("
+                    + e.getClass().getSimpleName()
+                    + ")", e);

         }
     }
 
     private Manager loadManager(
         }
     }
 
     private Manager loadManager(

-            final String account,
-            final File configPath,
-            final ServiceEnvironment serviceEnvironment,
-            final TrustNewIdentity trustNewIdentity
+            final String account, final SignalAccountFiles signalAccountFiles

     ) throws CommandException {
         logger.trace("Loading account file for {}", account);
         try {
     ) throws CommandException {
         logger.trace("Loading account file for {}", account);
         try {

-            return Manager.init(account, configPath, serviceEnvironment, BaseConfig.USER_AGENT, trustNewIdentity);
+            return signalAccountFiles.initManager(account);

         } catch (NotRegisteredException e) {
             throw new UserErrorException("User " + account + " is not registered.");
         } catch (AccountCheckException ace) {
         } catch (NotRegisteredException e) {
             throw new UserErrorException("User " + account + " is not registered.");
         } catch (AccountCheckException ace) {


@@ -366,42 +313,12 @@ public class App {
     }
 
     private void initDbusClient(
     }
 
     private void initDbusClient(

-            final Command command, final String account, final boolean systemBus, final OutputWriter outputWriter
+            final Command command, final String account, final boolean systemBus, final CommandHandler commandHandler

     ) throws CommandException {
         try {
     ) throws CommandException {
         try {

-            DBusConnection.DBusBusType busType;
-            if (systemBus) {
-                busType = DBusConnection.DBusBusType.SYSTEM;
-            } else {
-                busType = DBusConnection.DBusBusType.SESSION;
-            }
-            try (var dBusConn = DBusConnection.getConnection(busType)) {
-                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);
+            final var busType = systemBus ? DBusConnection.DBusBusType.SYSTEM : DBusConnection.DBusBusType.SESSION;
+            try (var dBusConn = DBusConnectionBuilder.forType(busType).build()) {
+                DbusCommandHandler.handleCommand(command, account, dBusConn, commandHandler);

             }
         } catch (ServiceUnknown e) {
             throw new UserErrorException("signal-cli DBus daemon not running on "
             }
         } catch (ServiceUnknown e) {
             throw new UserErrorException("signal-cli DBus daemon not running on "


@@ -413,26 +330,6 @@ public class App {
         }
     }
 
         }
     }
 

-    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;
-        }
-    }
-

     /**
      * @return the default data directory to be used by signal-cli.
      */
     /**
      * @return the default data directory to be used by signal-cli.
      */