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

   1 package org.asamk.signal.commands;
   2
   3 import com.fasterxml.jackson.core.type.TypeReference;
   4
   5 import net.sourceforge.argparse4j.impl.Arguments;
   6 import net.sourceforge.argparse4j.inf.Namespace;
   7 import net.sourceforge.argparse4j.inf.Subparser;
   8
   9 import org.asamk.signal.OutputType;
  10 import org.asamk.signal.ReceiveMessageHandler;
  11 import org.asamk.signal.Shutdown;
  12 import org.asamk.signal.commands.exceptions.CommandException;
  13 import org.asamk.signal.commands.exceptions.IOErrorException;
  14 import org.asamk.signal.commands.exceptions.UserErrorException;
  15 import org.asamk.signal.json.JsonReceiveMessageHandler;
  16 import org.asamk.signal.manager.Manager;
  17 import org.asamk.signal.manager.api.AlreadyReceivingException;
  18 import org.asamk.signal.manager.api.ReceiveConfig;
  19 import org.asamk.signal.output.JsonWriter;
  20 import org.asamk.signal.output.OutputWriter;
  21 import org.asamk.signal.output.PlainTextWriter;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 import java.io.IOException;
  26 import java.time.Duration;
  27 import java.util.ArrayList;
  28 import java.util.List;
  29 import java.util.Optional;
  30
  31 public class ReceiveCommand implements LocalCommand, JsonRpcSingleCommand<ReceiveCommand.ReceiveParams> {
  32
  33     private static final Logger logger = LoggerFactory.getLogger(ReceiveCommand.class);
  34
  35     @Override
  36     public String getName() {
  37         return "receive";
  38     }
  39
  40     @Override
  41     public void attachToSubparser(final Subparser subparser) {
  42         subparser.help("Query the server for new messages.");
  43         subparser.addArgument("-t", "--timeout")
  44                 .type(double.class)
  45                 .setDefault(3.0)
  46                 .help("Number of seconds to wait for new messages (negative values disable timeout)");
  47         subparser.addArgument("--max-messages")
  48                 .type(int.class)
  49                 .setDefault(-1)
  50                 .help("Maximum number of messages to receive, before returning.");
  51         subparser.addArgument("--ignore-attachments")
  52                 .help("Don’t download attachments of received messages.")
  53                 .action(Arguments.storeTrue());
  54         subparser.addArgument("--ignore-stories")
  55                 .help("Don’t receive story messages from the server.")
  56                 .action(Arguments.storeTrue());
  57         subparser.addArgument("--send-read-receipts")
  58                 .help("Send read receipts for all incoming data messages (in addition to the default delivery receipts)")
  59                 .action(Arguments.storeTrue());
  60     }
  61
  62     @Override
  63     public List<OutputType> getSupportedOutputTypes() {
  64         return List.of(OutputType.PLAIN_TEXT, OutputType.JSON);
  65     }
  66
  67     @Override
  68     public void handleCommand(
  69             final Namespace ns, final Manager m, final OutputWriter outputWriter
  70     ) throws CommandException {
  71         Shutdown.installHandler();
  72         final var timeout = ns.getDouble("timeout");
  73         final var maxMessagesRaw = ns.getInt("max-messages");
  74         final var ignoreAttachments = Boolean.TRUE.equals(ns.getBoolean("ignore-attachments"));
  75         final var ignoreStories = Boolean.TRUE.equals(ns.getBoolean("ignore-stories"));
  76         final var sendReadReceipts = Boolean.TRUE.equals(ns.getBoolean("send-read-receipts"));
  77         m.setReceiveConfig(new ReceiveConfig(ignoreAttachments, ignoreStories, sendReadReceipts));
  78         try {
  79             final var handler = switch (outputWriter) {
  80                 case JsonWriter writer -> new JsonReceiveMessageHandler(m, writer);
  81                 case PlainTextWriter writer -> new ReceiveMessageHandler(m, writer);
  82             };
  83             final var duration = timeout < 0 ? null : Duration.ofMillis((long) (timeout * 1000));
  84             final var maxMessages = maxMessagesRaw < 0 ? null : maxMessagesRaw;
  85             Shutdown.registerShutdownListener(m::stopReceiveMessages);
  86             m.receiveMessages(Optional.ofNullable(duration), Optional.ofNullable(maxMessages), handler);
  87         } catch (IOException e) {
  88             throw new IOErrorException("Error while receiving messages: " + e.getMessage(), e);
  89         } catch (AlreadyReceivingException e) {
  90             throw new UserErrorException("Receive command cannot be used if messages are already being received.", e);
  91         }
  92     }
  93
  94     @Override
  95     public TypeReference<ReceiveParams> getRequestType() {
  96         return new TypeReference<>() {};
  97     }
  98
  99     @Override
 100     public void handleCommand(
 101             final ReceiveParams request, final Manager m, final JsonWriter jsonWriter
 102     ) throws CommandException {
 103         final var timeout = request.timeout() == null ? 3.0 : request.timeout();
 104         final var maxMessagesRaw = request.maxMessages() == null ? -1 : request.maxMessages();
 105
 106         try {
 107             final var messages = new ArrayList<>();
 108             final var handler = new JsonReceiveMessageHandler(m, messages::add);
 109             final var duration = timeout < 0 ? null : Duration.ofMillis((long) (timeout * 1000));
 110             final var maxMessages = maxMessagesRaw < 0 ? null : maxMessagesRaw;
 111             m.receiveMessages(Optional.ofNullable(duration), Optional.ofNullable(maxMessages), handler);
 112             jsonWriter.write(messages);
 113         } catch (IOException e) {
 114             throw new IOErrorException("Error while receiving messages: " + e.getMessage(), e);
 115         } catch (AlreadyReceivingException e) {
 116             throw new UserErrorException("Receive command cannot be used if messages are already being received.", e);
 117         }
 118     }
 119
 120     public record ReceiveParams(Double timeout, Integer maxMessages) {}
 121 }