using Gee; using Xmpp.Core; namespace Xmpp.Xep.Muc { private const string NS_URI = "http://jabber.org/protocol/muc"; private const string NS_URI_ADMIN = NS_URI + "#admin"; private const string NS_URI_USER = NS_URI + "#user"; public const string AFFILIATION_ADMIN = "admin"; public const string AFFILIATION_MEMBER = "member"; public const string AFFILIATION_NONE = "none"; public const string AFFILIATION_OUTCAST = "outcast"; public const string AFFILIATION_OWNER = "owner"; public const string ROLE_MODERATOR = "moderator"; public const string ROLE_NONE = "none"; public const string ROLE_PARTICIPANT = "participant"; public const string ROLE_VISITOR = "visitor"; public enum MucEnterError { PASSWORD_REQUIRED, NOT_IN_MEMBER_LIST, BANNED, NICK_CONFLICT, OCCUPANT_LIMIT_REACHED, ROOM_DOESNT_EXIST } public class Module : XmppStreamModule { public static ModuleIdentity IDENTITY = new ModuleIdentity(NS_URI, "0045_muc_module"); public signal void received_occupant_affiliation(XmppStream stream, string jid, string? affiliation); public signal void received_occupant_jid(XmppStream stream, string jid, string? real_jid); public signal void received_occupant_role(XmppStream stream, string jid, string? role); public signal void subject_set(XmppStream stream, string subject, string jid); public signal void room_configuration_changed(XmppStream stream, string jid, StatusCode code); public signal void room_entered(XmppStream stream, string jid, string nick); public signal void room_enter_error(XmppStream stream, string jid, MucEnterError error); public signal void self_removed_from_room(XmppStream stream, string jid, StatusCode code); public signal void removed_from_room(XmppStream stream, string jid, StatusCode? code); public void enter(XmppStream stream, string bare_jid, string nick, string? password) { Presence.Stanza presence = new Presence.Stanza(); presence.to = bare_jid + "/" + nick; StanzaNode x_node = new StanzaNode.build("x", NS_URI).add_self_xmlns(); if (password != null) { x_node.put_node(new StanzaNode.build("password", NS_URI).put_node(new StanzaNode.text(password))); } presence.stanza.put_node(x_node); stream.get_flag(Flag.IDENTITY).start_muc_enter(bare_jid, presence.id); stream.get_module(Presence.Module.IDENTITY).send_presence(stream, presence); } public void exit(XmppStream stream, string jid) { string nick = stream.get_flag(Flag.IDENTITY).get_muc_nick(jid); Presence.Stanza presence = new Presence.Stanza(); presence.to = jid + "/" + nick; presence.type_ = Presence.Stanza.TYPE_UNAVAILABLE; stream.get_module(Presence.Module.IDENTITY).send_presence(stream, presence); } public void change_subject(XmppStream stream, string jid, string subject) { Message.Stanza message = new Message.Stanza(); message.to = jid; message.type_ = Message.Stanza.TYPE_GROUPCHAT; message.stanza.put_node((new StanzaNode.build("subject")).put_node(new StanzaNode.text(subject))); stream.get_module(Message.Module.IDENTITY).send_message(stream, message); } public void change_nick(XmppStream stream, string jid, string new_nick) { Presence.Stanza presence = new Presence.Stanza(); presence.to = jid + "/" + new_nick; stream.get_module(Presence.Module.IDENTITY).send_presence(stream, presence); } public void kick(XmppStream stream, string jid, string nick) { change_role(stream, jid, nick, "none"); } public override void attach(XmppStream stream) { stream.add_flag(new Muc.Flag()); Message.Module.require(stream); stream.get_module(Message.Module.IDENTITY).received_message.connect(on_received_message); Presence.Module.require(stream); stream.get_module(Presence.Module.IDENTITY).received_presence.connect(on_received_presence); stream.get_module(Presence.Module.IDENTITY).received_available.connect(on_received_available); stream.get_module(Presence.Module.IDENTITY).received_unavailable.connect(on_received_unavailable); if (stream.get_module(ServiceDiscovery.Module.IDENTITY) != null) { stream.get_module(ServiceDiscovery.Module.IDENTITY).add_feature(stream, NS_URI); } } public override void detach(XmppStream stream) { stream.get_module(Message.Module.IDENTITY).received_message.disconnect(on_received_message); stream.get_module(Presence.Module.IDENTITY).received_presence.disconnect(on_received_presence); stream.get_module(Presence.Module.IDENTITY).received_available.disconnect(on_received_available); stream.get_module(Presence.Module.IDENTITY).received_unavailable.disconnect(on_received_unavailable); } public static void require(XmppStream stream) { Presence.Module.require(stream); if (stream.get_module(IDENTITY) == null) stream.add_module(new Muc.Module()); } public override string get_ns() { return NS_URI; } public override string get_id() { return IDENTITY.id; } private void change_role(XmppStream stream, string jid, string nick, string new_role) { StanzaNode query = new StanzaNode.build("query", NS_URI_ADMIN).add_self_xmlns(); query.put_node(new StanzaNode.build("item", NS_URI_ADMIN).put_attribute("nick", nick, NS_URI_ADMIN).put_attribute("role", new_role, NS_URI_ADMIN)); Iq.Stanza iq = new Iq.Stanza.set(query); iq.to = jid; stream.get_module(Iq.Module.IDENTITY).send_iq(stream, iq); } private void on_received_message(XmppStream stream, Message.Stanza message) { if (message.type_ == Message.Stanza.TYPE_GROUPCHAT) { StanzaNode? subject_node = message.stanza.get_subnode("subject"); if (subject_node != null) { string subject = subject_node.get_string_content(); stream.get_flag(Flag.IDENTITY).set_muc_subject(message.from, subject); subject_set(stream, subject, message.from); } } } private void on_received_presence(XmppStream stream, Presence.Stanza presence) { Flag flag = stream.get_flag(Flag.IDENTITY); if (presence.is_error() && flag.is_muc_enter_outstanding() && flag.is_occupant(presence.from)) { string bare_jid = get_bare_jid(presence.from); ErrorStanza? error_stanza = presence.get_error(); if (flag.get_enter_id(bare_jid) == error_stanza.original_id) { MucEnterError? error = null; if (error_stanza.condition == ErrorStanza.CONDITION_NOT_AUTHORIZED && ErrorStanza.TYPE_AUTH == error_stanza.type_) { error = MucEnterError.PASSWORD_REQUIRED; } else if (ErrorStanza.CONDITION_REGISTRATION_REQUIRED == error_stanza.condition && ErrorStanza.TYPE_AUTH == error_stanza.type_) { error = MucEnterError.NOT_IN_MEMBER_LIST; } else if (ErrorStanza.CONDITION_FORBIDDEN == error_stanza.condition && ErrorStanza.TYPE_AUTH == error_stanza.type_) { error = MucEnterError.BANNED; } else if (ErrorStanza.CONDITION_CONFLICT == error_stanza.condition && ErrorStanza.TYPE_CANCEL == error_stanza.type_) { error = MucEnterError.NICK_CONFLICT; } else if (ErrorStanza.CONDITION_SERVICE_UNAVAILABLE == error_stanza.condition && ErrorStanza.TYPE_WAIT == error_stanza.type_) { error = MucEnterError.OCCUPANT_LIMIT_REACHED; } else if (ErrorStanza.CONDITION_ITEM_NOT_FOUND == error_stanza.condition && ErrorStanza.TYPE_CANCEL == error_stanza.type_) { error = MucEnterError.ROOM_DOESNT_EXIST; } if (error != null) room_enter_error(stream, bare_jid, error); flag.finish_muc_enter(bare_jid); } } } private void on_received_available(XmppStream stream, Presence.Stanza presence) { Flag flag = stream.get_flag(Flag.IDENTITY); if (flag.is_occupant(presence.from)) { StanzaNode? x_node = presence.stanza.get_subnode("x", NS_URI_USER); if (x_node != null) { ArrayList status_codes = get_status_codes(x_node); if (status_codes.contains(StatusCode.SELF_PRESENCE)) { string bare_jid = get_bare_jid(presence.from); if (flag.get_enter_id(bare_jid) != null) { room_entered(stream, bare_jid, get_resource_part(presence.from)); flag.finish_muc_enter(bare_jid, get_resource_part(presence.from)); } } string? affiliation = x_node.get_deep_attribute("item", "affiliation"); if (affiliation != null) { received_occupant_affiliation(stream, presence.from, affiliation); } string? jid = x_node.get_deep_attribute("item", "jid"); if (jid != null) { flag.set_real_jid(presence.from, jid); received_occupant_jid(stream, presence.from, jid); } string? role = x_node.get_deep_attribute("item", "role"); if (role != null) { received_occupant_role(stream, presence.from, role); } } } } private void on_received_unavailable(XmppStream stream, Presence.Stanza presence) { Flag flag = stream.get_flag(Flag.IDENTITY); if (!flag.is_occupant(presence.from)) return; StanzaNode? x_node = presence.stanza.get_subnode("x", NS_URI_USER); if (x_node == null) return; ArrayList status_codes = get_status_codes(x_node); if (StatusCode.SELF_PRESENCE in status_codes) { flag.remove_occupant_info(presence.from); } foreach (StatusCode code in USER_REMOVED_CODES) { if (code in status_codes) { if (StatusCode.SELF_PRESENCE in status_codes) { flag.left_muc(stream, get_bare_jid(presence.from)); self_removed_from_room(stream, presence.from, code); Presence.Flag presence_flag = stream.get_flag(Presence.Flag.IDENTITY); presence_flag.remove_presence(get_bare_jid(presence.from)); } else { removed_from_room(stream, presence.from, code); } } } } private ArrayList get_status_codes(StanzaNode x_node) { ArrayList ret = new ArrayList(); foreach (StanzaNode status_node in x_node.get_subnodes("status", NS_URI_USER)) { ret.add(int.parse(status_node.get_attribute("code"))); } return ret; } } }