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.OutputType;
   8 import org.asamk.signal.ReceiveMessageHandler;
   9 import org.asamk.signal.Shutdown;
  10 import org.asamk.signal.commands.exceptions.CommandException;
  11 import org.asamk.signal.commands.exceptions.IOErrorException;
  12 import org.asamk.signal.dbus.DbusHandler;
  13 import org.asamk.signal.http.HttpServerHandler;
  14 import org.asamk.signal.json.JsonReceiveMessageHandler;
  15 import org.asamk.signal.jsonrpc.SocketHandler;
  16 import org.asamk.signal.manager.Manager;
  17 import org.asamk.signal.manager.MultiAccountManager;
  18 import org.asamk.signal.output.JsonWriter;
  19 import org.asamk.signal.output.OutputWriter;
  20 import org.asamk.signal.output.PlainTextWriter;
  21 import org.asamk.signal.util.IOUtils;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 import java.io.File;
  26 import java.io.IOException;
  27 import java.net.InetSocketAddress;
  28 import java.net.UnixDomainSocketAddress;
  29 import java.nio.channels.Channel;
  30 import java.nio.channels.ServerSocketChannel;
  31 import java.util.ArrayList;
  32 import java.util.List;
  33
  34 import static org.asamk.signal.util.CommandUtil.getReceiveConfig;
  35
  36 public class DaemonCommand implements MultiLocalCommand, LocalCommand {
  37
  38     private static final Logger logger = LoggerFactory.getLogger(DaemonCommand.class);
  39
  40     @Override
  41     public String getName() {
  42         return "daemon";
  43     }
  44
  45     @Override
  46     public void attachToSubparser(final Subparser subparser) {
  47         final var defaultSocketPath = new File(new File(IOUtils.getRuntimeDir(), "signal-cli"), "socket");
  48         subparser.help("Run in daemon mode and provide a JSON-RPC or an experimental dbus interface.");
  49         subparser.addArgument("--dbus")
  50                 .action(Arguments.storeTrue())
  51                 .help("Expose a DBus interface on the user bus (the default, if no other options are given).");
  52         subparser.addArgument("--dbus-system", "--system")
  53                 .action(Arguments.storeTrue())
  54                 .help("Expose a DBus interface on the system bus.");
  55         subparser.addArgument("--socket")
  56                 .nargs("?")
  57                 .type(File.class)
  58                 .setConst(defaultSocketPath)
  59                 .help("Expose a JSON-RPC interface on a UNIX socket (default $XDG_RUNTIME_DIR/signal-cli/socket).");
  60         subparser.addArgument("--tcp")
  61                 .nargs("?")
  62                 .setConst("localhost:7583")
  63                 .help("Expose a JSON-RPC interface on a TCP socket (default localhost:7583).");
  64         subparser.addArgument("--http")
  65                 .nargs("?")
  66                 .setConst("localhost:8080")
  67                 .help("Expose a JSON-RPC interface as http endpoint (default localhost:8080).");
  68         subparser.addArgument("--no-receive-stdout")
  69                 .help("Don’t print received messages to stdout.")
  70                 .action(Arguments.storeTrue());
  71         subparser.addArgument("--receive-mode")
  72                 .help("Specify when to start receiving messages.")
  73                 .type(Arguments.enumStringType(ReceiveMode.class))
  74                 .setDefault(ReceiveMode.ON_START);
  75         subparser.addArgument("--ignore-attachments")
  76                 .help("Don’t download attachments of received messages.")
  77                 .action(Arguments.storeTrue());
  78         subparser.addArgument("--ignore-stories")
  79                 .help("Don’t receive story messages from the server.")
  80                 .action(Arguments.storeTrue());
  81         subparser.addArgument("--send-read-receipts")
  82                 .help("Send read receipts for all incoming data messages (in addition to the default delivery receipts)")
  83                 .action(Arguments.storeTrue());
  84     }
  85
  86     @Override
  87     public List<OutputType> getSupportedOutputTypes() {
  88         return List.of(OutputType.PLAIN_TEXT, OutputType.JSON);
  89     }
  90
  91     @Override
  92     public void handleCommand(
  93             final Namespace ns, final Manager m, final OutputWriter outputWriter
  94     ) throws CommandException {
  95         Shutdown.installHandler();
  96         logger.info("Starting daemon in single-account mode for " + m.getSelfNumber());
  97         final var noReceiveStdOut = Boolean.TRUE.equals(ns.getBoolean("no-receive-stdout"));
  98         final var receiveMode = ns.<ReceiveMode>get("receive-mode");
  99         final var receiveConfig = getReceiveConfig(ns);
 100
 101         m.setReceiveConfig(receiveConfig);
 102         addDefaultReceiveHandler(m, noReceiveStdOut ? null : outputWriter, receiveMode != ReceiveMode.ON_START);
 103
 104         try (final var daemonHandler = new SingleAccountDaemonHandler(m, receiveMode)) {
 105             setup(ns, daemonHandler);
 106
 107             m.addClosedListener(Shutdown::triggerShutdown);
 108
 109             try {
 110                 Shutdown.waitForShutdown();
 111             } catch (InterruptedException ignored) {
 112             }
 113         }
 114     }
 115
 116     @Override
 117     public void handleCommand(
 118             final Namespace ns, final MultiAccountManager c, final OutputWriter outputWriter
 119     ) throws CommandException {
 120         Shutdown.installHandler();
 121         logger.info("Starting daemon in multi-account mode");
 122         final var noReceiveStdOut = Boolean.TRUE.equals(ns.getBoolean("no-receive-stdout"));
 123         final var receiveMode = ns.<ReceiveMode>get("receive-mode");
 124         final var receiveConfig = getReceiveConfig(ns);
 125         c.getManagers().forEach(m -> {
 126             m.setReceiveConfig(receiveConfig);
 127             addDefaultReceiveHandler(m, noReceiveStdOut ? null : outputWriter, receiveMode != ReceiveMode.ON_START);
 128         });
 129         c.addOnManagerAddedHandler(m -> {
 130             m.setReceiveConfig(receiveConfig);
 131             addDefaultReceiveHandler(m, noReceiveStdOut ? null : outputWriter, receiveMode != ReceiveMode.ON_START);
 132         });
 133
 134         try (final var daemonHandler = new MultiAccountDaemonHandler(c, receiveMode)) {
 135             setup(ns, daemonHandler);
 136
 137             synchronized (this) {
 138                 try {
 139                     Shutdown.waitForShutdown();
 140                 } catch (InterruptedException ignored) {
 141                 }
 142             }
 143         }
 144     }
 145
 146     private static void setup(final Namespace ns, final DaemonHandler daemonHandler) throws CommandException {
 147         final Channel inheritedChannel;
 148         try {
 149             if (System.inheritedChannel() instanceof ServerSocketChannel serverChannel) {
 150                 inheritedChannel = serverChannel;
 151                 logger.info("Using inherited socket: " + serverChannel.getLocalAddress());
 152                 daemonHandler.runSocket(serverChannel);
 153             } else {
 154                 inheritedChannel = null;
 155             }
 156         } catch (IOException e) {
 157             throw new IOErrorException("Failed to use inherited socket", e);
 158         }
 159
 160         final var socketFile = ns.<File>get("socket");
 161         if (socketFile != null) {
 162             final var address = UnixDomainSocketAddress.of(socketFile.toPath());
 163             final var serverChannel = IOUtils.bindSocket(address);
 164             daemonHandler.runSocket(serverChannel);
 165         }
 166
 167         final var tcpAddress = ns.getString("tcp");
 168         if (tcpAddress != null) {
 169             final var address = IOUtils.parseInetSocketAddress(tcpAddress);
 170             final var serverChannel = IOUtils.bindSocket(address);
 171             daemonHandler.runSocket(serverChannel);
 172         }
 173
 174         final var httpAddress = ns.getString("http");
 175         if (httpAddress != null) {
 176             final var address = IOUtils.parseInetSocketAddress(httpAddress);
 177             daemonHandler.runHttp(address);
 178         }
 179
 180         final var isDbusSystem = Boolean.TRUE.equals(ns.getBoolean("dbus-system"));
 181         if (isDbusSystem) {
 182             daemonHandler.runDbus(true);
 183         }
 184
 185         final var isDbusSession = Boolean.TRUE.equals(ns.getBoolean("dbus"));
 186         if (isDbusSession || (
 187                 !isDbusSystem
 188                         && socketFile == null
 189                         && tcpAddress == null
 190                         && httpAddress == null
 191                         && inheritedChannel == null
 192         )) {
 193             daemonHandler.runDbus(false);
 194         }
 195     }
 196
 197     private void addDefaultReceiveHandler(Manager m, OutputWriter outputWriter, final boolean isWeakListener) {
 198         final var handler = switch (outputWriter) {
 199             case PlainTextWriter writer -> new ReceiveMessageHandler(m, writer);
 200             case JsonWriter writer -> new JsonReceiveMessageHandler(m, writer);
 201             case null -> Manager.ReceiveMessageHandler.EMPTY;
 202         };
 203         m.addReceiveHandler(handler, isWeakListener);
 204     }
 205
 206     private static abstract class DaemonHandler implements AutoCloseable {
 207
 208         protected final ReceiveMode receiveMode;
 209         protected final List<AutoCloseable> closeables = new ArrayList<>();
 210
 211         protected DaemonHandler(final ReceiveMode receiveMode) {
 212             this.receiveMode = receiveMode;
 213         }
 214
 215         public abstract void runSocket(ServerSocketChannel serverChannel) throws CommandException;
 216
 217         public abstract void runDbus(boolean isDbusSystem) throws CommandException;
 218
 219         public abstract void runHttp(InetSocketAddress address) throws CommandException;
 220
 221         protected final void runSocket(final SocketHandler socketHandler) {
 222             socketHandler.init();
 223             this.closeables.add(socketHandler);
 224         }
 225
 226         protected final void runDbus(
 227                 DbusHandler dbusHandler
 228         ) throws CommandException {
 229             dbusHandler.init();
 230             this.closeables.add(dbusHandler);
 231         }
 232
 233         protected final void runHttp(final HttpServerHandler handler) throws CommandException {
 234             try {
 235                 handler.init();
 236             } catch (IOException ex) {
 237                 throw new IOErrorException("Failed to initialize HTTP Server", ex);
 238             }
 239             this.closeables.add(handler);
 240         }
 241
 242         @Override
 243         public void close() {
 244             for (final var closeable : new ArrayList<>(this.closeables)) {
 245                 try {
 246                     closeable.close();
 247                 } catch (Exception e) {
 248                     logger.warn("Failed to close daemon handler", e);
 249                 }
 250             }
 251             this.closeables.clear();
 252         }
 253     }
 254
 255     private static final class SingleAccountDaemonHandler extends DaemonHandler {
 256
 257         private final Manager m;
 258
 259         public SingleAccountDaemonHandler(final Manager m, final ReceiveMode receiveMode) {
 260             super(receiveMode);
 261             this.m = m;
 262         }
 263
 264         @Override
 265         public void runSocket(final ServerSocketChannel serverChannel) {
 266             runSocket(new SocketHandler(serverChannel, m, receiveMode == ReceiveMode.MANUAL));
 267         }
 268
 269         @Override
 270         public void runDbus(final boolean isDbusSystem) throws CommandException {
 271             runDbus(new DbusHandler(isDbusSystem, m, receiveMode != ReceiveMode.ON_START));
 272         }
 273
 274         @Override
 275         public void runHttp(InetSocketAddress address) throws CommandException {
 276             runHttp(new HttpServerHandler(address, m));
 277         }
 278     }
 279
 280     private static final class MultiAccountDaemonHandler extends DaemonHandler {
 281
 282         private final MultiAccountManager c;
 283
 284         public MultiAccountDaemonHandler(final MultiAccountManager c, final ReceiveMode receiveMode) {
 285             super(receiveMode);
 286             this.c = c;
 287         }
 288
 289         @Override
 290         public void runSocket(final ServerSocketChannel serverChannel) {
 291             runSocket(new SocketHandler(serverChannel, c, receiveMode == ReceiveMode.MANUAL));
 292         }
 293
 294         @Override
 295         public void runDbus(final boolean isDbusSystem) throws CommandException {
 296             runDbus(new DbusHandler(isDbusSystem, c, receiveMode != ReceiveMode.ON_START));
 297         }
 298
 299         @Override
 300         public void runHttp(final InetSocketAddress address) throws CommandException {
 301             runHttp(new HttpServerHandler(address, c));
 302         }
 303     }
 304 }