signal-cli/src/main/java/org/asamk/signal/App.java

325 lines
12 KiB
Java

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.Namespace;
import org.asamk.Signal;
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.UnexpectedErrorException;
import org.asamk.signal.commands.exceptions.UserErrorException;
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.config.ServiceConfig;
import org.asamk.signal.manager.config.ServiceEnvironment;
import org.asamk.signal.util.IOUtils;
import org.freedesktop.dbus.connections.impl.DBusConnection;
import org.freedesktop.dbus.exceptions.DBusException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class App {
private final static Logger logger = LoggerFactory.getLogger(App.class);
private final Namespace ns;
static ArgumentParser buildArgumentParser() {
var parser = ArgumentParsers.newFor("signal-cli")
.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")
.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.");
var 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());
parser.addArgument("-o", "--output")
.help("Choose to output in plain text or JSON")
.type(Arguments.enumStringType(OutputType.class))
.setDefault(OutputType.PLAIN_TEXT);
var subparsers = parser.addSubparsers().title("subcommands").dest("command");
final var commands = Commands.getCommands();
for (var entry : commands.entrySet()) {
var subparser = subparsers.addParser(entry.getKey());
entry.getValue().attachToSubparser(subparser);
}
return parser;
}
public App(final Namespace ns) {
this.ns = ns;
}
public void init() throws CommandException {
var commandKey = ns.getString("command");
var command = Commands.getCommand(commandKey);
if (command == null) {
throw new UserErrorException("Command not implemented!");
}
OutputType outputType = ns.get("output");
if (!command.getSupportedOutputTypes().contains(outputType)) {
throw new UserErrorException("Command doesn't support output type " + outputType.toString());
}
var username = ns.getString("username");
final boolean useDbus = ns.getBoolean("dbus");
final boolean useDbusSystem = ns.getBoolean("dbus_system");
if (useDbus || useDbusSystem) {
// If username is null, it will connect to the default object path
initDbusClient(command, username, useDbusSystem);
return;
}
final File dataPath;
var config = ns.getString("config");
if (config != null) {
dataPath = new File(config);
} else {
dataPath = getDefaultDataPath();
}
final var serviceEnvironment = ServiceEnvironment.LIVE;
if (!ServiceConfig.getCapabilities().isGv2()) {
logger.warn("WARNING: Support for new group V2 is disabled,"
+ " because the required native library dependency is missing: libzkgroup");
}
if (!ServiceConfig.isSignalClientAvailable()) {
throw new UserErrorException("Missing required native library dependency: libsignal-client");
}
if (command instanceof ProvisioningCommand) {
if (username != null) {
throw new UserErrorException("You cannot specify a username (phone number) when linking");
}
handleProvisioningCommand((ProvisioningCommand) command, dataPath, serviceEnvironment);
return;
}
if (username == null) {
var usernames = Manager.getAllLocalUsernames(dataPath);
if (command instanceof MultiLocalCommand) {
handleMultiLocalCommand((MultiLocalCommand) command, dataPath, serviceEnvironment, usernames);
return;
}
if (usernames.size() == 0) {
throw new UserErrorException("No local users found, you first need to register or link an account");
} else if (usernames.size() > 1) {
throw new UserErrorException(
"Multiple users found, you need to specify a username (phone number) with -u");
}
username = usernames.get(0);
} else if (!PhoneNumberFormatter.isValidNumber(username, null)) {
throw new UserErrorException("Invalid username (phone number), make sure you include the country code.");
}
if (command instanceof RegistrationCommand) {
handleRegistrationCommand((RegistrationCommand) command, username, dataPath, serviceEnvironment);
return;
}
if (!(command instanceof LocalCommand)) {
throw new UserErrorException("Command only works via dbus");
}
handleLocalCommand((LocalCommand) command, username, dataPath, serviceEnvironment);
}
private void handleProvisioningCommand(
final ProvisioningCommand command, final File dataPath, final ServiceEnvironment serviceEnvironment
) throws CommandException {
var pm = ProvisioningManager.init(dataPath, serviceEnvironment, BaseConfig.USER_AGENT);
command.handleCommand(ns, pm);
}
private void handleRegistrationCommand(
final RegistrationCommand command,
final String username,
final File dataPath,
final ServiceEnvironment serviceEnvironment
) throws CommandException {
final RegistrationManager manager;
try {
manager = RegistrationManager.init(username, dataPath, serviceEnvironment, BaseConfig.USER_AGENT);
} catch (Throwable e) {
throw new UnexpectedErrorException("Error loading or creating state file: "
+ e.getMessage()
+ " ("
+ e.getClass().getSimpleName()
+ ")");
}
try (var m = manager) {
command.handleCommand(ns, m);
} catch (IOException e) {
logger.warn("Cleanup failed", e);
}
}
private void handleLocalCommand(
final LocalCommand command,
final String username,
final File dataPath,
final ServiceEnvironment serviceEnvironment
) throws CommandException {
try (var m = loadManager(username, dataPath, serviceEnvironment)) {
command.handleCommand(ns, m);
} catch (IOException e) {
logger.warn("Cleanup failed", e);
}
}
private void handleMultiLocalCommand(
final MultiLocalCommand command,
final File dataPath,
final ServiceEnvironment serviceEnvironment,
final List<String> usernames
) throws CommandException {
final var managers = new ArrayList<Manager>();
for (String u : usernames) {
try {
managers.add(loadManager(u, dataPath, serviceEnvironment));
} catch (CommandException e) {
logger.warn("Ignoring {}: {}", u, e.getMessage());
}
}
command.handleCommand(ns, managers);
for (var m : managers) {
try {
m.close();
} catch (IOException e) {
logger.warn("Cleanup failed", e);
}
}
}
private Manager loadManager(
final String username, final File dataPath, final ServiceEnvironment serviceEnvironment
) throws CommandException {
Manager manager;
try {
manager = Manager.init(username, dataPath, serviceEnvironment, BaseConfig.USER_AGENT);
} catch (NotRegisteredException e) {
throw new UserErrorException("User " + username + " is not registered.");
} catch (Throwable e) {
logger.debug("Loading state file failed", e);
throw new UnexpectedErrorException("Error loading state file for user "
+ username
+ ": "
+ e.getMessage()
+ " ("
+ e.getClass().getSimpleName()
+ ")");
}
try {
manager.checkAccountState();
} catch (IOException e) {
throw new UnexpectedErrorException("Error while checking account " + username + ": " + e.getMessage());
}
return manager;
}
private void initDbusClient(
final Command command, final String username, final boolean systemBus
) throws CommandException {
try {
DBusConnection.DBusBusType busType;
if (systemBus) {
busType = DBusConnection.DBusBusType.SYSTEM;
} else {
busType = DBusConnection.DBusBusType.SESSION;
}
try (var dBusConn = DBusConnection.getConnection(busType)) {
var ts = dBusConn.getRemoteObject(DbusConfig.getBusname(),
DbusConfig.getObjectPath(username),
Signal.class);
handleCommand(command, ts, dBusConn);
}
} catch (DBusException | IOException e) {
logger.error("Dbus client failed", e);
throw new UnexpectedErrorException("Dbus client failed");
}
}
private void handleCommand(Command command, Signal ts, DBusConnection dBusConn) throws CommandException {
if (command instanceof ExtendedDbusCommand) {
((ExtendedDbusCommand) command).handleCommand(ns, ts, dBusConn);
} else if (command instanceof DbusCommand) {
((DbusCommand) command).handleCommand(ns, ts);
} else {
throw new UserErrorException("Command is not yet implemented via dbus");
}
}
/**
* 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.
*/
private static File getDefaultDataPath() {
var dataPath = new File(IOUtils.getDataHomeDir(), "signal-cli");
if (dataPath.exists()) {
return dataPath;
}
var configPath = new File(System.getProperty("user.home"), ".config");
var legacySettingsPath = new File(configPath, "signal");
if (legacySettingsPath.exists()) {
logger.warn("Using legacy data path \"{}\", please move it to \"{}\".", legacySettingsPath, dataPath);
return legacySettingsPath;
}
legacySettingsPath = new File(configPath, "textsecure");
if (legacySettingsPath.exists()) {
logger.warn("Using legacy data path \"{}\", please move it to \"{}\".", legacySettingsPath, dataPath);
return legacySettingsPath;
}
return dataPath;
}
}