nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/commands/SendCommand.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;
   8 import org.asamk.signal.JsonWriter;
   9 import org.asamk.signal.OutputWriter;
  10 import org.asamk.signal.PlainTextWriter;
  11 import org.asamk.signal.commands.exceptions.CommandException;
  12 import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
  13 import org.asamk.signal.commands.exceptions.UntrustedKeyErrorException;
  14 import org.asamk.signal.commands.exceptions.UserErrorException;
  15 import org.asamk.signal.dbus.DbusSignalImpl;
  16 import org.asamk.signal.manager.Manager;
  17 import org.asamk.signal.manager.groups.GroupIdFormatException;
  18 import org.asamk.signal.util.IOUtils;
  19 import org.asamk.signal.util.Util;
  20 import org.freedesktop.dbus.errors.UnknownObject;
  21 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 import java.io.IOException;
  26 import java.nio.charset.Charset;
  27 import java.util.List;
  28 import java.util.Map;
  29
  30 public class SendCommand implements DbusCommand, JsonRpcLocalCommand {
  31
  32     private final static Logger logger = LoggerFactory.getLogger(SendCommand.class);
  33
  34     @Override
  35     public String getName() {
  36         return "send";
  37     }
  38
  39     @Override
  40     public void attachToSubparser(final Subparser subparser) {
  41         subparser.help("Send a message to another user or group.");
  42         subparser.addArgument("recipient").help("Specify the recipients' phone number.").nargs("*");
  43         final var mutuallyExclusiveGroup = subparser.addMutuallyExclusiveGroup();
  44         mutuallyExclusiveGroup.addArgument("-g", "--group-id", "--group").help("Specify the recipient group ID.");
  45         mutuallyExclusiveGroup.addArgument("--note-to-self")
  46                 .help("Send the message to self without notification.")
  47                 .action(Arguments.storeTrue());
  48
  49         subparser.addArgument("-m", "--message").help("Specify the message, if missing standard input is used.");
  50         subparser.addArgument("-a", "--attachment").nargs("*").help("Add file as attachment");
  51         subparser.addArgument("-e", "--end-session", "--endsession")
  52                 .help("Clear session state and send end session message.")
  53                 .action(Arguments.storeTrue());
  54     }
  55
  56     @Override
  57     public void handleCommand(
  58             final Namespace ns, final Signal signal, final OutputWriter outputWriter
  59     ) throws CommandException {
  60         final List<String> recipients = ns.getList("recipient");
  61         final var isEndSession = ns.getBoolean("end-session");
  62         final var groupIdString = ns.getString("group-id");
  63         final var isNoteToSelf = ns.getBoolean("note-to-self");
  64
  65         final var noRecipients = recipients == null || recipients.isEmpty();
  66         if ((noRecipients && isEndSession) || (noRecipients && groupIdString == null && !isNoteToSelf)) {
  67             throw new UserErrorException("No recipients given");
  68         }
  69         if (!noRecipients && groupIdString != null) {
  70             throw new UserErrorException("You cannot specify recipients by phone number and groups at the same time");
  71         }
  72         if (!noRecipients && isNoteToSelf) {
  73             throw new UserErrorException(
  74                     "You cannot specify recipients by phone number and note to self at the same time");
  75         }
  76
  77         if (isEndSession) {
  78             try {
  79                 signal.sendEndSessionMessage(recipients);
  80                 return;
  81             } catch (Signal.Error.UntrustedIdentity e) {
  82                 throw new UntrustedKeyErrorException("Failed to send message: " + e.getMessage());
  83             } catch (DBusExecutionException e) {
  84                 throw new UnexpectedErrorException("Failed to send message: " + e.getMessage());
  85             }
  86         }
  87
  88         var messageText = ns.getString("message");
  89         if (messageText == null) {
  90             try {
  91                 messageText = IOUtils.readAll(System.in, Charset.defaultCharset());
  92             } catch (IOException e) {
  93                 throw new UserErrorException("Failed to read message from stdin: " + e.getMessage());
  94             }
  95         }
  96
  97         List<String> attachments = ns.getList("attachment");
  98         if (attachments == null) {
  99             attachments = List.of();
 100         }
 101
 102         if (groupIdString != null) {
 103             byte[] groupId;
 104             try {
 105                 groupId = Util.decodeGroupId(groupIdString).serialize();
 106             } catch (GroupIdFormatException e) {
 107                 throw new UserErrorException("Invalid group id: " + e.getMessage());
 108             }
 109
 110             try {
 111                 var timestamp = signal.sendGroupMessage(messageText, attachments, groupId);
 112                 outputResult(outputWriter, timestamp);
 113                 return;
 114             } catch (DBusExecutionException e) {
 115                 throw new UnexpectedErrorException("Failed to send group message: " + e.getMessage());
 116             }
 117         }
 118
 119         if (isNoteToSelf) {
 120             try {
 121                 var timestamp = signal.sendNoteToSelfMessage(messageText, attachments);
 122                 outputResult(outputWriter, timestamp);
 123                 return;
 124             } catch (Signal.Error.UntrustedIdentity e) {
 125                 throw new UntrustedKeyErrorException("Failed to send message: " + e.getMessage());
 126             } catch (DBusExecutionException e) {
 127                 throw new UnexpectedErrorException("Failed to send note to self message: " + e.getMessage());
 128             }
 129         }
 130
 131         try {
 132             var timestamp = signal.sendMessage(messageText, attachments, recipients);
 133             outputResult(outputWriter, timestamp);
 134         } catch (UnknownObject e) {
 135             throw new UserErrorException("Failed to find dbus object, maybe missing the -u flag: " + e.getMessage());
 136         } catch (Signal.Error.UntrustedIdentity e) {
 137             throw new UntrustedKeyErrorException("Failed to send message: " + e.getMessage());
 138         } catch (DBusExecutionException e) {
 139             throw new UnexpectedErrorException("Failed to send message: " + e.getMessage());
 140         }
 141     }
 142
 143     private void outputResult(final OutputWriter outputWriter, final long timestamp) {
 144         if (outputWriter instanceof PlainTextWriter) {
 145             final var writer = (PlainTextWriter) outputWriter;
 146             writer.println("{}", timestamp);
 147         } else {
 148             final var writer = (JsonWriter) outputWriter;
 149             writer.write(Map.of("timestamp", timestamp));
 150         }
 151     }
 152
 153     @Override
 154     public void handleCommand(
 155             final Namespace ns, final Manager m, final OutputWriter outputWriter
 156     ) throws CommandException {
 157         handleCommand(ns, new DbusSignalImpl(m, null), outputWriter);
 158     }
 159 }