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 writer) {
  59                 if (!m.getGroup(newGroupId).isMember()) {
  60                     writer.write(Map.of("groupId", newGroupId.toBase64(), "onlyRequested", true));
  61                 } else {
  62                     writer.write(Map.of("groupId", newGroupId.toBase64()));
  63                 }
  64             } else {
  65                 final var writer = (PlainTextWriter) outputWriter;
  66                 if (!m.getGroup(newGroupId).isMember()) {
  67                     writer.println("Requested to join group \"{}\"", newGroupId.toBase64());
  68                 } else {
  69                     writer.println("Joined group \"{}\"", newGroupId.toBase64());
  70                 }
  71             }
  72             handleSendMessageResults(results.second().getResults());
  73         } catch (GroupPatchNotAcceptedException e) {
  74             throw new UserErrorException("Failed to join group, maybe already a member");
  75         } catch (IOException e) {
  76             throw new IOErrorException("Failed to send message: "
  77                     + e.getMessage()
  78                     + " ("
  79                     + e.getClass().getSimpleName()
  80                     + ")", e);
  81         } catch (DBusExecutionException e) {
  82             throw new UnexpectedErrorException("Failed to send message: " + e.getMessage() + " (" + e.getClass()
  83                     .getSimpleName() + ")", e);
  84         } catch (GroupLinkNotActiveException e) {
  85             throw new UserErrorException("Group link is not valid: " + e.getMessage());
  86         }
  87     }
  88 }