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