nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/commands/DaemonCommand.java

   1 package org.asamk.signal.commands;
   2
   3 import net.sourceforge.argparse4j.impl.Arguments;
   4 import net.sourceforge.argparse4j.inf.Namespace;
   5 import net.sourceforge.argparse4j.inf.Subparser;
   6
   7 import org.asamk.signal.DbusConfig;
   8 import org.asamk.signal.DbusReceiveMessageHandler;
   9 import org.asamk.signal.JsonDbusReceiveMessageHandler;
  10 import org.asamk.signal.JsonWriter;
  11 import org.asamk.signal.OutputType;
  12 import org.asamk.signal.OutputWriter;
  13 import org.asamk.signal.PlainTextWriter;
  14 import org.asamk.signal.commands.exceptions.CommandException;
  15 import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
  16 import org.asamk.signal.dbus.DbusSignalControlImpl;
  17 import org.asamk.signal.dbus.DbusSignalImpl;
  18 import org.asamk.signal.manager.Manager;
  19 import org.freedesktop.dbus.connections.impl.DBusConnection;
  20 import org.freedesktop.dbus.exceptions.DBusException;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import java.io.IOException;
  25 import java.util.List;
  26
  27 public class DaemonCommand implements MultiLocalCommand {
  28
  29     private final static Logger logger = LoggerFactory.getLogger(DaemonCommand.class);
  30
  31     @Override
  32     public String getName() {
  33         return "daemon";
  34     }
  35
  36     @Override
  37     public void attachToSubparser(final Subparser subparser) {
  38         subparser.help("Run in daemon mode and provide an experimental dbus interface.");
  39         subparser.addArgument("--system")
  40                 .action(Arguments.storeTrue())
  41                 .help("Use DBus system bus instead of user bus.");
  42         subparser.addArgument("--ignore-attachments")
  43                 .help("Don’t download attachments of received messages.")
  44                 .action(Arguments.storeTrue());
  45     }
  46
  47     @Override
  48     public List<OutputType> getSupportedOutputTypes() {
  49         return List.of(OutputType.PLAIN_TEXT, OutputType.JSON);
  50     }
  51
  52     @Override
  53     public void handleCommand(
  54             final Namespace ns, final Manager m, final OutputWriter outputWriter
  55     ) throws CommandException {
  56         boolean ignoreAttachments = Boolean.TRUE.equals(ns.getBoolean("ignore-attachments"));
  57         m.setIgnoreAttachments(ignoreAttachments);
  58
  59         DBusConnection.DBusBusType busType;
  60         if (Boolean.TRUE.equals(ns.getBoolean("system"))) {
  61             busType = DBusConnection.DBusBusType.SYSTEM;
  62         } else {
  63             busType = DBusConnection.DBusBusType.SESSION;
  64         }
  65
  66         try (var conn = DBusConnection.getConnection(busType)) {
  67             var objectPath = DbusConfig.getObjectPath();
  68             var t = run(conn, objectPath, m, outputWriter);
  69
  70             conn.requestBusName(DbusConfig.getBusname());
  71
  72             try {
  73                 t.join();
  74                 synchronized (this) {
  75                     wait();
  76                 }
  77             } catch (InterruptedException ignored) {
  78             }
  79         } catch (DBusException | IOException e) {
  80             logger.error("Dbus command failed", e);
  81             throw new UnexpectedErrorException("Dbus command failed", e);
  82         }
  83     }
  84
  85     @Override
  86     public void handleCommand(
  87             final Namespace ns, final List<Manager> managers, final SignalCreator c, final OutputWriter outputWriter
  88     ) throws CommandException {
  89         boolean ignoreAttachments = Boolean.TRUE.equals(ns.getBoolean("ignore-attachments"));
  90
  91         DBusConnection.DBusBusType busType;
  92         if (Boolean.TRUE.equals(ns.getBoolean("system"))) {
  93             busType = DBusConnection.DBusBusType.SYSTEM;
  94         } else {
  95             busType = DBusConnection.DBusBusType.SESSION;
  96         }
  97
  98         try (var conn = DBusConnection.getConnection(busType)) {
  99             final var signalControl = new DbusSignalControlImpl(c, m -> {
 100                 m.setIgnoreAttachments(ignoreAttachments);
 101                 try {
 102                     final var objectPath = DbusConfig.getObjectPath(m.getSelfNumber());
 103                     return run(conn, objectPath, m, outputWriter);
 104                 } catch (DBusException e) {
 105                     logger.error("Failed to export object", e);
 106                     return null;
 107                 }
 108             }, DbusConfig.getObjectPath());
 109             conn.exportObject(signalControl);
 110
 111             for (var m : managers) {
 112                 signalControl.addManager(m);
 113             }
 114
 115             conn.requestBusName(DbusConfig.getBusname());
 116
 117             signalControl.run();
 118         } catch (DBusException | IOException e) {
 119             logger.error("Dbus command failed", e);
 120             throw new UnexpectedErrorException("Dbus command failed", e);
 121         }
 122     }
 123
 124     private Thread run(
 125             DBusConnection conn, String objectPath, Manager m, OutputWriter outputWriter
 126     ) throws DBusException {
 127         final var signal = new DbusSignalImpl(m, conn, objectPath);
 128         conn.exportObject(signal);
 129         final var initThread = new Thread(signal::initObjects);
 130         initThread.start();
 131
 132         logger.info("Exported dbus object: " + objectPath);
 133
 134         final var receiveMessageHandler = outputWriter instanceof JsonWriter ? new JsonDbusReceiveMessageHandler(m,
 135                 (JsonWriter) outputWriter,
 136                 conn,
 137                 objectPath) : new DbusReceiveMessageHandler(m, (PlainTextWriter) outputWriter, conn, objectPath);
 138         m.addReceiveHandler(receiveMessageHandler);
 139         return initThread;
 140     }
 141 }