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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<Module> IDENTITY = new ModuleIdentity<Module>(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 void enter(XmppStream stream, string bare_jid, string nick, string? password, ListenerHolder.OnSuccess success_listener, ListenerHolder.OnError error_listener, Object? store) {
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, new ListenerHolder(success_listener, error_listener, store));
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) {
ListenerHolder listener = flag.get_enter_listener(bare_jid);
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) listener.on_error(stream, error, listener.reference);
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<int> status_codes = get_status_codes(x_node);
if (status_codes.contains(StatusCode.SELF_PRESENCE)) {
string bare_jid = get_bare_jid(presence.from);
ListenerHolder listener = flag.get_enter_listener(bare_jid);
listener.on_success(stream, listener.reference);
flag.finish_muc_enter(bare_jid, get_resource_part(presence.from));
}
string? affiliation = x_node["item", "affiliation"].val;
if (affiliation != null) {
received_occupant_affiliation(stream, presence.from, affiliation);
}
string? jid = x_node["item", "jid"].val;
if (jid != null) {
flag.set_real_jid(presence.from, jid);
received_occupant_jid(stream, presence.from, jid);
}
string? role = x_node["item", "role"].val;
if (role != null) {
received_occupant_role(stream, presence.from, role);
}
}
}
}
private void on_received_unavailable(XmppStream stream, string jid) {
Flag flag = stream.get_flag(Flag.IDENTITY);
if (flag.is_occupant(jid)) {
flag.remove_occupant_info(jid);
}
}
private ArrayList<int> get_status_codes(StanzaNode x_node) {
ArrayList<int> ret = new ArrayList<int>();
foreach (StanzaNode status_node in x_node.get_subnodes("status", NS_URI_USER)) {
ret.add(int.parse(status_node.get_attribute("code")));
}
return ret;
}
}
public enum StatusCode {
/** Inform user that any occupant is allowed to see the user's full JID */
JID_VISIBLE = 100,
/** Inform user that his or her affiliation changed while not in the room */
AFFILIATION_CHANGED = 101,
/** Inform occupants that room now shows unavailable members */
SHOWS_UNAVIABLE_MEMBERS = 102,
/** Inform occupants that room now does not show unavailable members */
SHOWS_UNAVIABLE_MEMBERS_NOT = 103,
/** Inform occupants that a non-privacy-related room configuration change has occurred */
CONFIG_CHANGE_NON_PRIVACY = 104,
/** Inform user that presence refers to itself */
SELF_PRESENCE = 110,
/** Inform occupants that room logging is now enabled */
LOGGING_ENABLED = 170,
/** Inform occupants that room logging is now disabled */
LOGGING_DISABLED = 171,
/** Inform occupants that the room is now non-anonymous */
NON_ANONYMOUS = 172,
/** Inform occupants that the room is now semi-anonymous */
SEMI_ANONYMOUS = 173,
/** Inform user that a new room has been created */
NEW_ROOM_CREATED = 201,
/** Inform user that service has assigned or modified occupant's roomnick */
MODIFIED_NICK = 210,
/** Inform user that he or she has been banned from the room */
BANNED = 301,
/** Inform all occupants of new room nickname */
ROOM_NICKNAME = 303,
/** Inform user that he or she has been kicked from the room */
KICKED = 307,
/** Inform user that he or she is being removed from the room */
REMOVED_AFFILIATION_CHANGE = 321,
/** Inform user that he or she is being removed from the room because the room has been changed to members-only
and the user is not a member */
REMOVED_MEMBERS_ONLY = 322,
/** Inform user that he or she is being removed from the room because the MUC service is being shut down */
REMOVED_SHUTDOWN = 332
}
public class ListenerHolder {
[CCode (has_target = false)] public delegate void OnSuccess(XmppStream stream, Object? store);
public OnSuccess on_success { get; private set; }
[CCode (has_target = false)] public delegate void OnError(XmppStream stream, MucEnterError error, Object? store);
public OnError on_error { get; private set; }
public Object? reference { get; private set; }
public ListenerHolder(OnSuccess on_success, OnError on_error, Object? reference = null) {
this.on_success = on_success;
this.reference = reference;
}
}
}
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