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.handleAssertionError;
  20 import static org.asamk.signal.util.ErrorUtils.handleTimestampAndSendMessageResults;
  21
  22 public class JoinGroupCommand implements LocalCommand {
  23
  24     @Override
  25     public void attachToSubparser(final Subparser subparser) {
  26         subparser.addArgument("--uri").required(true).help("Specify the uri with the group invitation link.");
  27     }
  28
  29     @Override
  30     public void handleCommand(final Namespace ns, final Manager m) throws CommandException {
  31         final GroupInviteLinkUrl linkUrl;
  32         var uri = ns.getString("uri");
  33         try {
  34             linkUrl = GroupInviteLinkUrl.fromUri(uri);
  35         } catch (GroupInviteLinkUrl.InvalidGroupLinkException e) {
  36             throw new UserErrorException("Group link is invalid: " + e.getMessage());
  37         } catch (GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
  38             throw new UserErrorException("Group link was created with an incompatible version: " + e.getMessage());
  39         }
  40
  41         if (linkUrl == null) {
  42             throw new UserErrorException("Link is not a signal group invitation link");
  43         }
  44
  45         try {
  46             final var writer = new PlainTextWriterImpl(System.out);
  47
  48             final var results = m.joinGroup(linkUrl);
  49             var newGroupId = results.first();
  50             if (!m.getGroup(newGroupId).isMember(m.getSelfAddress())) {
  51                 writer.println("Requested to join group \"{}\"", newGroupId.toBase64());
  52             } else {
  53                 writer.println("Joined group \"{}\"", newGroupId.toBase64());
  54             }
  55             handleTimestampAndSendMessageResults(writer, 0, results.second());
  56         } catch (AssertionError e) {
  57             handleAssertionError(e);
  58             throw e;
  59         } catch (GroupPatchNotAcceptedException e) {
  60             throw new UserErrorException("Failed to join group, maybe already a member");
  61         } catch (IOException e) {
  62             throw new IOErrorException("Failed to send message: " + e.getMessage());
  63         } catch (DBusExecutionException e) {
  64             throw new UnexpectedErrorException("Failed to send message: " + e.getMessage());
  65         } catch (GroupLinkNotActiveException e) {
  66             throw new UserErrorException("Group link is not valid: " + e.getMessage());
  67         }
  68     }
  69 }