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

   1 package org.asamk.signal.commands;
   2
   3 import net.sourceforge.argparse4j.inf.Namespace;
   4 import net.sourceforge.argparse4j.inf.Subparser;
   5
   6 import org.asamk.signal.PlainTextWriterImpl;
   7 import org.asamk.signal.commands.exceptions.CommandException;
   8 import org.asamk.signal.commands.exceptions.IOErrorException;
   9 import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
  10 import org.asamk.signal.commands.exceptions.UserErrorException;
  11 import org.asamk.signal.manager.Manager;
  12 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  13 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  14 import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
  15 import org.whispersystems.signalservice.internal.push.exceptions.GroupPatchNotAcceptedException;
  16
  17 import java.io.IOException;
  18
  19 import static org.asamk.signal.util.ErrorUtils.handleTimestampAndSendMessageResults;
  20
  21 public class JoinGroupCommand implements LocalCommand {
  22
  23     @Override
  24     public void attachToSubparser(final Subparser subparser) {
  25         subparser.addArgument("--uri").required(true).help("Specify the uri with the group invitation link.");
  26     }
  27
  28     @Override
  29     public void handleCommand(final Namespace ns, final Manager m) throws CommandException {
  30         final GroupInviteLinkUrl linkUrl;
  31         var uri = ns.getString("uri");
  32         try {
  33             linkUrl = GroupInviteLinkUrl.fromUri(uri);
  34         } catch (GroupInviteLinkUrl.InvalidGroupLinkException e) {
  35             throw new UserErrorException("Group link is invalid: " + e.getMessage());
  36         } catch (GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
  37             throw new UserErrorException("Group link was created with an incompatible version: " + e.getMessage());
  38         }
  39
  40         if (linkUrl == null) {
  41             throw new UserErrorException("Link is not a signal group invitation link");
  42         }
  43
  44         try {
  45             final var writer = new PlainTextWriterImpl(System.out);
  46
  47             final var results = m.joinGroup(linkUrl);
  48             var newGroupId = results.first();
  49             if (!m.getGroup(newGroupId).isMember(m.getSelfRecipientId())) {
  50                 writer.println("Requested to join group \"{}\"", newGroupId.toBase64());
  51             } else {
  52                 writer.println("Joined group \"{}\"", newGroupId.toBase64());
  53             }
  54             handleTimestampAndSendMessageResults(writer, 0, results.second());
  55         } catch (GroupPatchNotAcceptedException e) {
  56             throw new UserErrorException("Failed to join group, maybe already a member");
  57         } catch (IOException e) {
  58             throw new IOErrorException("Failed to send message: " + e.getMessage());
  59         } catch (DBusExecutionException e) {
  60             throw new UnexpectedErrorException("Failed to send message: " + e.getMessage());
  61         } catch (GroupLinkNotActiveException e) {
  62             throw new UserErrorException("Group link is not valid: " + e.getMessage());
  63         }
  64     }
  65 }