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.OutputWriter;
   7 import org.asamk.signal.PlainTextWriterImpl;
   8 import org.asamk.signal.commands.exceptions.CommandException;
   9 import org.asamk.signal.commands.exceptions.IOErrorException;
  10 import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
  11 import org.asamk.signal.commands.exceptions.UserErrorException;
  12 import org.asamk.signal.manager.Manager;
  13 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  14 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  15 import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
  16 import org.whispersystems.signalservice.internal.push.exceptions.GroupPatchNotAcceptedException;
  17
  18 import java.io.IOException;
  19
  20 import static org.asamk.signal.util.ErrorUtils.handleTimestampAndSendMessageResults;
  21
  22 public class JoinGroupCommand implements LocalCommand {
  23
  24     private final OutputWriter outputWriter;
  25
  26     public JoinGroupCommand(final OutputWriter outputWriter) {
  27         this.outputWriter = outputWriter;
  28     }
  29
  30     public static void attachToSubparser(final Subparser subparser) {
  31         subparser.help("Join a group via an invitation link.");
  32         subparser.addArgument("--uri").required(true).help("Specify the uri with the group invitation link.");
  33     }
  34
  35     @Override
  36     public void handleCommand(final Namespace ns, final Manager m) throws CommandException {
  37         final GroupInviteLinkUrl linkUrl;
  38         var uri = ns.getString("uri");
  39         try {
  40             linkUrl = GroupInviteLinkUrl.fromUri(uri);
  41         } catch (GroupInviteLinkUrl.InvalidGroupLinkException e) {
  42             throw new UserErrorException("Group link is invalid: " + e.getMessage());
  43         } catch (GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
  44             throw new UserErrorException("Group link was created with an incompatible version: " + e.getMessage());
  45         }
  46
  47         if (linkUrl == null) {
  48             throw new UserErrorException("Link is not a signal group invitation link");
  49         }
  50
  51         try {
  52             final var writer = (PlainTextWriterImpl) outputWriter;
  53
  54             final var results = m.joinGroup(linkUrl);
  55             var newGroupId = results.first();
  56             if (!m.getGroup(newGroupId).isMember(m.getSelfRecipientId())) {
  57                 writer.println("Requested to join group \"{}\"", newGroupId.toBase64());
  58             } else {
  59                 writer.println("Joined group \"{}\"", newGroupId.toBase64());
  60             }
  61             handleTimestampAndSendMessageResults(writer, 0, results.second());
  62         } catch (GroupPatchNotAcceptedException e) {
  63             throw new UserErrorException("Failed to join group, maybe already a member");
  64         } catch (IOException e) {
  65             throw new IOErrorException("Failed to send message: " + e.getMessage());
  66         } catch (DBusExecutionException e) {
  67             throw new UnexpectedErrorException("Failed to send message: " + e.getMessage());
  68         } catch (GroupLinkNotActiveException e) {
  69             throw new UserErrorException("Group link is not valid: " + e.getMessage());
  70         }
  71     }
  72 }