signal-cli/src/main/java/org/asamk/signal/commands/SetPinCommand.java

package org.asamk.signal.commands;

import net.sourceforge.argparse4j.inf.Namespace;
import net.sourceforge.argparse4j.inf.Subparser;

import org.asamk.signal.commands.exceptions.CommandException;
import org.asamk.signal.commands.exceptions.IOErrorException;
import org.asamk.signal.commands.exceptions.UserErrorException;
import org.asamk.signal.manager.Manager;
import org.asamk.signal.manager.api.NotMasterDeviceException;
import org.asamk.signal.output.OutputWriter;

import java.io.IOException;
import java.util.Optional;

public class SetPinCommand implements JsonRpcLocalCommand {

    @Override
    public String getName() {
        return "setPin";
    }

    @Override
    public void attachToSubparser(final Subparser subparser) {
        subparser.help("Set a registration lock pin, to prevent others from registering this number.");
        subparser.addArgument("pin")
                .help("The registration lock PIN, that will be required for new registrations (resets after 7 days of inactivity)");
    }

    @Override
    public void handleCommand(
            final Namespace ns, final Manager m, final OutputWriter outputWriter
    ) throws CommandException {
        try {
            var registrationLockPin = ns.getString("pin");
            m.setRegistrationLockPin(Optional.of(registrationLockPin));
        } catch (IOException e) {
            throw new IOErrorException("Set pin error: " + e.getMessage(), e);
        } catch (NotMasterDeviceException e) {
            throw new UserErrorException("This command doesn't work on linked devices.");
        }
    }
}