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.DbusReceiveMessageHandler;
   8 import org.asamk.signal.JsonDbusReceiveMessageHandler;
   9 import org.asamk.signal.dbus.DbusSignalImpl;
  10 import org.asamk.signal.manager.Manager;
  11 import org.freedesktop.dbus.connections.impl.DBusConnection;
  12 import org.freedesktop.dbus.exceptions.DBusException;
  13
  14 import java.io.IOException;
  15 import java.util.concurrent.TimeUnit;
  16
  17 import static org.asamk.signal.DbusConfig.SIGNAL_BUSNAME;
  18 import static org.asamk.signal.DbusConfig.SIGNAL_OBJECTPATH;
  19 import static org.asamk.signal.util.ErrorUtils.handleAssertionError;
  20
  21 public class DaemonCommand implements LocalCommand {
  22
  23     @Override
  24     public void attachToSubparser(final Subparser subparser) {
  25         subparser.addArgument("--system")
  26                 .action(Arguments.storeTrue())
  27                 .help("Use DBus system bus instead of user bus.");
  28         subparser.addArgument("--ignore-attachments")
  29                 .help("Don’t download attachments of received messages.")
  30                 .action(Arguments.storeTrue());
  31         subparser.addArgument("--json")
  32                 .help("Output received messages in json format, one json object per line.")
  33                 .action(Arguments.storeTrue());
  34     }
  35
  36     @Override
  37     public int handleCommand(final Namespace ns, final Manager m) {
  38         if (!m.isRegistered()) {
  39             System.err.println("User is not registered.");
  40             return 1;
  41         }
  42         DBusConnection conn = null;
  43         try {
  44             try {
  45                 DBusConnection.DBusBusType busType;
  46                 if (ns.getBoolean("system")) {
  47                     busType = DBusConnection.DBusBusType.SYSTEM;
  48                 } else {
  49                     busType = DBusConnection.DBusBusType.SESSION;
  50                 }
  51                 conn = DBusConnection.getConnection(busType);
  52                 conn.exportObject(SIGNAL_OBJECTPATH, new DbusSignalImpl(m));
  53                 conn.requestBusName(SIGNAL_BUSNAME);
  54             } catch (UnsatisfiedLinkError e) {
  55                 System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
  56                 return 1;
  57             } catch (DBusException e) {
  58                 e.printStackTrace();
  59                 return 2;
  60             }
  61             boolean ignoreAttachments = ns.getBoolean("ignore_attachments");
  62             try {
  63                 m.receiveMessages(1, TimeUnit.HOURS, false, ignoreAttachments, ns.getBoolean("json") ? new JsonDbusReceiveMessageHandler(m, conn, SIGNAL_OBJECTPATH) : new DbusReceiveMessageHandler(m, conn, SIGNAL_OBJECTPATH));
  64                 return 0;
  65             } catch (IOException e) {
  66                 System.err.println("Error while receiving messages: " + e.getMessage());
  67                 return 3;
  68             } catch (AssertionError e) {
  69                 handleAssertionError(e);
  70                 return 1;
  71             }
  72         } finally {
  73             if (conn != null) {
  74                 conn.disconnect();
  75             }
  76         }
  77     }
  78 }