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     private final OutputWriter outputWriter;
  27
  28     public JoinGroupCommand(final OutputWriter outputWriter) {
  29         this.outputWriter = outputWriter;
  30     }
  31
  32     public static 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(final Namespace ns, final Manager m) throws CommandException {
  39         final GroupInviteLinkUrl linkUrl;
  40         var uri = ns.getString("uri");
  41         try {
  42             linkUrl = GroupInviteLinkUrl.fromUri(uri);
  43         } catch (GroupInviteLinkUrl.InvalidGroupLinkException e) {
  44             throw new UserErrorException("Group link is invalid: " + e.getMessage());
  45         } catch (GroupInviteLinkUrl.UnknownGroupLinkVersionException e) {
  46             throw new UserErrorException("Group link was created with an incompatible version: " + e.getMessage());
  47         }
  48
  49         if (linkUrl == null) {
  50             throw new UserErrorException("Link is not a signal group invitation link");
  51         }
  52
  53         try {
  54             final var results = m.joinGroup(linkUrl);
  55             var newGroupId = results.first();
  56             if (outputWriter instanceof JsonWriter) {
  57                 final var writer = (JsonWriter) outputWriter;
  58                 if (!m.getGroup(newGroupId).isMember(m.getSelfRecipientId())) {
  59                     writer.write(Map.of("groupId", newGroupId.toBase64(), "onlyRequested", true));
  60                 } else {
  61                     writer.write(Map.of("groupId", newGroupId.toBase64()));
  62                 }
  63             } else {
  64                 final var writer = (PlainTextWriter) outputWriter;
  65                 if (!m.getGroup(newGroupId).isMember(m.getSelfRecipientId())) {
  66                     writer.println("Requested to join group \"{}\"", newGroupId.toBase64());
  67                 } else {
  68                     writer.println("Joined group \"{}\"", newGroupId.toBase64());
  69                 }
  70             }
  71             handleSendMessageResults(results.second());
  72         } catch (GroupPatchNotAcceptedException e) {
  73             throw new UserErrorException("Failed to join group, maybe already a member");
  74         } catch (IOException e) {
  75             throw new IOErrorException("Failed to send message: " + e.getMessage());
  76         } catch (DBusExecutionException e) {
  77             throw new UnexpectedErrorException("Failed to send message: " + e.getMessage());
  78         } catch (GroupLinkNotActiveException e) {
  79             throw new UserErrorException("Group link is not valid: " + e.getMessage());
  80         }
  81     }
  82 }