package org.asamk.signal.commands; import net.sourceforge.argparse4j.impl.Arguments; import net.sourceforge.argparse4j.inf.Namespace; import net.sourceforge.argparse4j.inf.Subparser; import org.asamk.Signal; import org.asamk.signal.JsonReceiveMessageHandler; import org.asamk.signal.JsonWriter; import org.asamk.signal.OutputType; import org.asamk.signal.PlainTextWriterImpl; import org.asamk.signal.ReceiveMessageHandler; 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.json.JsonMessageEnvelope; import org.asamk.signal.manager.Manager; import org.asamk.signal.util.DateUtils; import org.freedesktop.dbus.connections.impl.DBusConnection; import org.freedesktop.dbus.exceptions.DBusException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; import java.util.Base64; import java.util.Map; import java.util.Set; import java.util.concurrent.TimeUnit; public class ReceiveCommand implements ExtendedDbusCommand, LocalCommand { private final static Logger logger = LoggerFactory.getLogger(ReceiveCommand.class); @Override public void attachToSubparser(final Subparser subparser) { subparser.help("Query the server for new messages."); subparser.addArgument("-t", "--timeout") .type(double.class) .setDefault(3.0) .help("Number of seconds to wait for new messages (negative values disable timeout)"); subparser.addArgument("--ignore-attachments") .help("Don’t download attachments of received messages.") .action(Arguments.storeTrue()); } @Override public Set getSupportedOutputTypes() { return Set.of(OutputType.PLAIN_TEXT, OutputType.JSON); } public void handleCommand( final Namespace ns, final Signal signal, DBusConnection dbusconnection ) throws CommandException { var inJson = ns.get("output") == OutputType.JSON; try { if (inJson) { final var jsonWriter = new JsonWriter(System.out); dbusconnection.addSigHandler(Signal.MessageReceived.class, signal, messageReceived -> { var envelope = new JsonMessageEnvelope(messageReceived); final var object = Map.of("envelope", envelope); jsonWriter.write(object); }); dbusconnection.addSigHandler(Signal.ReceiptReceived.class, signal, receiptReceived -> { var envelope = new JsonMessageEnvelope(receiptReceived); final var object = Map.of("envelope", envelope); jsonWriter.write(object); }); dbusconnection.addSigHandler(Signal.SyncMessageReceived.class, signal, syncReceived -> { var envelope = new JsonMessageEnvelope(syncReceived); final var object = Map.of("envelope", envelope); jsonWriter.write(object); }); } else { final var writer = new PlainTextWriterImpl(System.out); dbusconnection.addSigHandler(Signal.MessageReceived.class, signal, messageReceived -> { writer.println("Envelope from: {}", messageReceived.getSender()); writer.println("Timestamp: {}", DateUtils.formatTimestamp(messageReceived.getTimestamp())); writer.println("Body: {}", messageReceived.getMessage()); if (messageReceived.getGroupId().length > 0) { writer.println("Group info:"); writer.indentedWriter() .println("Id: {}", Base64.getEncoder().encodeToString(messageReceived.getGroupId())); } if (messageReceived.getAttachments().size() > 0) { writer.println("Attachments:"); for (var attachment : messageReceived.getAttachments()) { writer.println("- Stored plaintext in: {}", attachment); } } writer.println(); }); dbusconnection.addSigHandler(Signal.ReceiptReceived.class, signal, receiptReceived -> { writer.println("Receipt from: {}", receiptReceived.getSender()); writer.println("Timestamp: {}", DateUtils.formatTimestamp(receiptReceived.getTimestamp())); }); dbusconnection.addSigHandler(Signal.SyncMessageReceived.class, signal, syncReceived -> { writer.println("Sync Envelope from: {} to: {}", syncReceived.getSource(), syncReceived.getDestination()); writer.println("Timestamp: {}", DateUtils.formatTimestamp(syncReceived.getTimestamp())); writer.println("Body: {}", syncReceived.getMessage()); if (syncReceived.getGroupId().length > 0) { writer.println("Group info:"); writer.indentedWriter() .println("Id: {}", Base64.getEncoder().encodeToString(syncReceived.getGroupId())); } if (syncReceived.getAttachments().size() > 0) { writer.println("Attachments:"); for (var attachment : syncReceived.getAttachments()) { writer.println("- Stored plaintext in: {}", attachment); } } writer.println(); }); } } catch (DBusException e) { logger.error("Dbus client failed", e); throw new UnexpectedErrorException("Dbus client failed"); } while (true) { try { Thread.sleep(10000); } catch (InterruptedException ignored) { return; } } } @Override public void handleCommand(final Namespace ns, final Manager m) throws CommandException { var inJson = ns.get("output") == OutputType.JSON; double timeout = ns.getDouble("timeout"); var returnOnTimeout = true; if (timeout < 0) { returnOnTimeout = false; timeout = 3600; } boolean ignoreAttachments = ns.getBoolean("ignore-attachments"); try { final var handler = inJson ? new JsonReceiveMessageHandler(m) : new ReceiveMessageHandler(m); m.receiveMessages((long) (timeout * 1000), TimeUnit.MILLISECONDS, returnOnTimeout, ignoreAttachments, handler); } catch (IOException e) { throw new IOErrorException("Error while receiving messages: " + e.getMessage()); } } }