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1 files changed, 244 insertions, 0 deletions

diff --git a/vala-xmpp/src/module/xep/0045_muc/module.vala b/vala-xmpp/src/module/xep/0045_muc/module.vala
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+++ b/vala-xmpp/src/module/xep/0045_muc/module.vala
@@ -0,0 +1,244 @@
+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 const string ID = "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, MucEnterListener listener) {
+        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);
+
+        Muc.Flag.get_flag(stream).start_muc_enter(bare_jid, presence.id, listener);
+
+        Presence.Module.get_module(stream).send_presence(stream, presence);
+    }
+
+    public void exit(XmppStream stream, string jid) {
+        string nick = Flag.get_flag(stream).get_muc_nick(jid);
+        Presence.Stanza presence = new Presence.Stanza();
+        presence.to = jid + "/" + nick;
+        presence.type_ = Presence.Stanza.TYPE_UNAVAILABLE;
+        Presence.Module.get_module(stream).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)));
+        Message.Module.get_module(stream).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;
+        Presence.Module.get_module(stream).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);
+        Message.Module.get_module(stream).received_message.connect(on_received_message);
+        Presence.Module.require(stream);
+        Presence.Module.get_module(stream).received_presence.connect(on_received_presence);
+        Presence.Module.get_module(stream).received_available.connect(on_received_available);
+        Presence.Module.get_module(stream).received_unavailable.connect(on_received_unavailable);
+        if (ServiceDiscovery.Module.get_module(stream) != null) {
+            ServiceDiscovery.Module.get_module(stream).add_feature(stream, NS_URI);
+        }
+    }
+
+    public override void detach(XmppStream stream) {
+        Message.Module.get_module(stream).received_message.disconnect(on_received_message);
+        Presence.Module.get_module(stream).received_presence.disconnect(on_received_presence);
+        Presence.Module.get_module(stream).received_available.disconnect(on_received_available);
+        Presence.Module.get_module(stream).received_unavailable.disconnect(on_received_unavailable);
+    }
+
+    public static Module? get_module(XmppStream stream) {
+        return (Module?) stream.get_module(NS_URI, ID);
+    }
+
+    public static void require(XmppStream stream) {
+        Presence.Module.require(stream);
+        if (get_module(stream) == null) stream.add_module(new Muc.Module());
+    }
+
+    public override string get_ns() { return NS_URI; }
+    public override string get_id() { return 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;
+        Iq.Module.get_module(stream).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();
+                Muc.Flag.get_flag(stream).set_muc_subject(message.from, subject);
+                subject_set(stream, subject, message.from);
+            }
+        }
+    }
+
+    private void on_received_presence(XmppStream stream, Presence.Stanza presence) {
+        Flag flag = Flag.get_flag(stream);
+        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) {
+                MucEnterListener listener = flag.get_enter_listener(bare_jid);
+                if (error_stanza.condition == ErrorStanza.CONDITION_NOT_AUTHORIZED && ErrorStanza.TYPE_AUTH == error_stanza.type_) {
+                    listener.on_error(MucEnterError.PASSWORD_REQUIRED);
+                } else if (ErrorStanza.CONDITION_REGISTRATION_REQUIRED == error_stanza.condition && ErrorStanza.TYPE_AUTH == error_stanza.type_) {
+                    listener.on_error(MucEnterError.NOT_IN_MEMBER_LIST);
+                } else if (ErrorStanza.CONDITION_FORBIDDEN == error_stanza.condition && ErrorStanza.TYPE_AUTH == error_stanza.type_) {
+                    listener.on_error(MucEnterError.BANNED);
+                } else if (ErrorStanza.CONDITION_CONFLICT == error_stanza.condition && ErrorStanza.TYPE_CANCEL == error_stanza.type_) {
+                    listener.on_error(MucEnterError.NICK_CONFLICT);
+                } else if (ErrorStanza.CONDITION_SERVICE_UNAVAILABLE == error_stanza.condition && ErrorStanza.TYPE_WAIT == error_stanza.type_) {
+                    listener.on_error(MucEnterError.OCCUPANT_LIMIT_REACHED);
+                } else if (ErrorStanza.CONDITION_ITEM_NOT_FOUND == error_stanza.condition && ErrorStanza.TYPE_CANCEL == error_stanza.type_) {
+                    listener.on_error(MucEnterError.ROOM_DOESNT_EXIST);
+                }
+                flag.finish_muc_enter(bare_jid);
+            }
+        }
+    }
+
+    private void on_received_available(XmppStream stream, Presence.Stanza presence) {
+        Flag flag = Flag.get_flag(stream);
+        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);
+                    flag.get_enter_listener(bare_jid).on_success();
+                    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 = Flag.get_flag(stream);
+        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 interface MucEnterListener : Object {
+    public abstract void on_success();
+    public abstract void on_error(MucEnterError error);
+}
+
+}