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.JsonWriter;
   7 import org.asamk.signal.OutputWriter;
   8 import org.asamk.signal.PlainTextWriter;
   9 import org.asamk.signal.commands.exceptions.CommandException;
  10 import org.asamk.signal.commands.exceptions.IOErrorException;
  11 import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
  12 import org.asamk.signal.commands.exceptions.UserErrorException;
  13 import org.asamk.signal.manager.Manager;
  14 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  15 import org.freedesktop.dbus.exceptions.DBusExecutionException;
  16 import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
  17 import org.whispersystems.signalservice.internal.push.exceptions.GroupPatchNotAcceptedException;
  18
  19 import java.io.IOException;
  20 import java.util.Map;
  21
  22 import static org.asamk.signal.util.ErrorUtils.handleSendMessageResults;
  23
  24 public class JoinGroupCommand implements JsonRpcLocalCommand {
  25
  26     @Override
  27     public String getName() {
  28         return "joinGroup";
  29     }
  30
  31     @Override
  32     public void attachToSubparser(final Subparser subparser) {
  33         subparser.help("Join a group via an invitation link.");
  34         subparser.addArgument("--uri").required(true).help("Specify the uri with the group invitation link.");
  35     }
  36
  37     @Override
  38     public void handleCommand(
  39             final Namespace ns, final Manager m, final OutputWriter outputWriter
  40     ) throws CommandException {
  41         final GroupInviteLinkUrl linkUrl;
  42         var uri = ns.getString("uri");
  43         try {
  44             linkUrl = GroupInviteLinkUrl.fromUri(uri);
  45         } catch (GroupInviteLinkUrl.InvalidGroupLinkException e) {
  46             throw new UserErrorException("Group link is invalid: " + e.getMessage());
  47         } catch (GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
  48             throw new UserErrorException("Group link was created with an incompatible version: " + e.getMessage());
  49         }
  50
  51         if (linkUrl == null) {
  52             throw new UserErrorException("Link is not a signal group invitation link");
  53         }
  54
  55         try {
  56             final var results = m.joinGroup(linkUrl);
  57             var newGroupId = results.first();
  58             if (outputWriter instanceof JsonWriter) {
  59                 final var writer = (JsonWriter) outputWriter;
  60                 if (!m.getGroup(newGroupId).isMember(m.getSelfRecipientId())) {
  61                     writer.write(Map.of("groupId", newGroupId.toBase64(), "onlyRequested", true));
  62                 } else {
  63                     writer.write(Map.of("groupId", newGroupId.toBase64()));
  64                 }
  65             } else {
  66                 final var writer = (PlainTextWriter) outputWriter;
  67                 if (!m.getGroup(newGroupId).isMember(m.getSelfRecipientId())) {
  68                     writer.println("Requested to join group \"{}\"", newGroupId.toBase64());
  69                 } else {
  70                     writer.println("Joined group \"{}\"", newGroupId.toBase64());
  71                 }
  72             }
  73             handleSendMessageResults(results.second());
  74         } catch (GroupPatchNotAcceptedException e) {
  75             throw new UserErrorException("Failed to join group, maybe already a member");
  76         } catch (IOException e) {
  77             throw new IOErrorException("Failed to send message: " + e.getMessage());
  78         } catch (DBusExecutionException e) {
  79             throw new UnexpectedErrorException("Failed to send message: " + e.getMessage());
  80         } catch (GroupLinkNotActiveException e) {
  81             throw new UserErrorException("Group link is not valid: " + e.getMessage());
  82         }
  83     }
  84 }