chat.c

Linux下的多协议即时通讯程序源代码

		return;

	if(!strcmp(type, "result")) {
		jid = jabber_id_new(from);

		if(!jid)
			return;

		chat = jabber_chat_find(js, jid->node, jid->domain);
		jabber_id_free(jid);

		if(!chat)
			return;

		if(!(query = xmlnode_get_child(packet, "query")))
			return;

		for(x = xmlnode_get_child(query, "x"); x; x = xmlnode_get_next_twin(x)) {
			const char *xmlns;

			if(!(xmlns = xmlnode_get_namespace(x)))
				continue;

			if(!strcmp(xmlns, "jabber:x:data")) {
				jabber_x_data_request(js, x, jabber_chat_register_x_data_cb, chat);
				return;
			}
		}
	} else if(!strcmp(type, "error")) {
		char *msg = jabber_parse_error(js, packet);

		purple_notify_error(js->gc, _("Registration error"), _("Registration error"), msg);

		if(msg)
			g_free(msg);
		return;
	}

	msg = g_strdup_printf("Unable to configure room %s", from);

	purple_notify_info(js->gc, _("Unable to configure"), _("Unable to configure"), msg);
	g_free(msg);

}

void jabber_chat_register(JabberChat *chat)
{
	JabberIq *iq;
	char *room_jid;

	if(!chat)
		return;

	room_jid = g_strdup_printf("%s@%s", chat->room, chat->server);

	iq = jabber_iq_new_query(chat->js, JABBER_IQ_GET, "jabber:iq:register");
	xmlnode_set_attrib(iq->node, "to", room_jid);
	g_free(room_jid);

	jabber_iq_set_callback(iq, jabber_chat_register_cb, NULL);

	jabber_iq_send(iq);
}

/* merge this with the function below when we get everyone on the same page wrt /commands */
void jabber_chat_change_topic(JabberChat *chat, const char *topic)
{
	if(topic && *topic) {
		JabberMessage *jm;
		jm = g_new0(JabberMessage, 1);
		jm->js = chat->js;
		jm->type = JABBER_MESSAGE_GROUPCHAT;
		jm->subject = purple_markup_strip_html(topic);
		jm->to = g_strdup_printf("%s@%s", chat->room, chat->server);
		jabber_message_send(jm);
		jabber_message_free(jm);
	} else {
		const char *cur = purple_conv_chat_get_topic(PURPLE_CONV_CHAT(chat->conv));
		char *buf, *tmp, *tmp2;

		if(cur) {
			tmp = g_markup_escape_text(cur, -1);
			tmp2 = purple_markup_linkify(tmp);
			buf = g_strdup_printf(_("current topic is: %s"), tmp2);
			g_free(tmp);
			g_free(tmp2);
		} else
			buf = g_strdup(_("No topic is set"));
		purple_conv_chat_write(PURPLE_CONV_CHAT(chat->conv), "", buf,
				PURPLE_MESSAGE_SYSTEM | PURPLE_MESSAGE_NO_LOG, time(NULL));
		g_free(buf);
	}

}

void jabber_chat_set_topic(PurpleConnection *gc, int id, const char *topic)
{
	JabberStream *js = gc->proto_data;
	JabberChat *chat = jabber_chat_find_by_id(js, id);

	if(!chat)
		return;

	jabber_chat_change_topic(chat, topic);
}


void jabber_chat_change_nick(JabberChat *chat, const char *nick)
{
	xmlnode *presence;
	char *full_jid;
	PurplePresence *gpresence;
	PurpleStatus *status;
	JabberBuddyState state;
	char *msg;
	int priority;

	if(!chat->muc) {
		purple_conv_chat_write(PURPLE_CONV_CHAT(chat->conv), "",
				_("Nick changing not supported in non-MUC chatrooms"),
				PURPLE_MESSAGE_SYSTEM, time(NULL));
		return;
	}

	gpresence = purple_account_get_presence(chat->js->gc->account);
	status = purple_presence_get_active_status(gpresence);

	purple_status_to_jabber(status, &state, &msg, &priority);

	presence = jabber_presence_create(state, msg, priority);
	full_jid = g_strdup_printf("%s@%s/%s", chat->room, chat->server, nick);
	xmlnode_set_attrib(presence, "to", full_jid);
	g_free(full_jid);
	g_free(msg);

	jabber_send(chat->js, presence);
	xmlnode_free(presence);
}

void jabber_chat_part(JabberChat *chat, const char *msg)
{
	char *room_jid;
	xmlnode *presence;

	room_jid = g_strdup_printf("%s@%s/%s", chat->room, chat->server,
			chat->handle);
	presence = xmlnode_new("presence");
	xmlnode_set_attrib(presence, "to", room_jid);
	xmlnode_set_attrib(presence, "type", "unavailable");
	if(msg) {
		xmlnode *status = xmlnode_new_child(presence, "status");
		xmlnode_insert_data(status, msg, -1);
	}
	jabber_send(chat->js, presence);
	xmlnode_free(presence);
	g_free(room_jid);
}

static void roomlist_disco_result_cb(JabberStream *js, xmlnode *packet, gpointer data)
{
	xmlnode *query;
	xmlnode *item;
	const char *type;

	if(!js->roomlist)
		return;

	if(!(type = xmlnode_get_attrib(packet, "type")) || strcmp(type, "result")) {
		char *err = jabber_parse_error(js,packet);
		purple_notify_error(js->gc, _("Error"),
				_("Error retrieving room list"), err);
		purple_roomlist_set_in_progress(js->roomlist, FALSE);
		purple_roomlist_unref(js->roomlist);
		js->roomlist = NULL;
		g_free(err);
		return;
	}

	if(!(query = xmlnode_get_child(packet, "query"))) {
		char *err = jabber_parse_error(js, packet);
		purple_notify_error(js->gc, _("Error"),
				_("Error retrieving room list"), err);
		purple_roomlist_set_in_progress(js->roomlist, FALSE);
		purple_roomlist_unref(js->roomlist);
		js->roomlist = NULL;
		g_free(err);
		return;
	}

	for(item = xmlnode_get_child(query, "item"); item;
			item = xmlnode_get_next_twin(item)) {
		const char *name;
		PurpleRoomlistRoom *room;
		JabberID *jid;

		if(!(jid = jabber_id_new(xmlnode_get_attrib(item, "jid"))))
			continue;
		name = xmlnode_get_attrib(item, "name");


		room = purple_roomlist_room_new(PURPLE_ROOMLIST_ROOMTYPE_ROOM, jid->node, NULL);
		purple_roomlist_room_add_field(js->roomlist, room, jid->node);
		purple_roomlist_room_add_field(js->roomlist, room, jid->domain);
		purple_roomlist_room_add_field(js->roomlist, room, name ? name : "");
		purple_roomlist_room_add(js->roomlist, room);

		jabber_id_free(jid);
	}
	purple_roomlist_set_in_progress(js->roomlist, FALSE);
	purple_roomlist_unref(js->roomlist);
	js->roomlist = NULL;
}

static void roomlist_cancel_cb(JabberStream *js, const char *server) {
	if(js->roomlist) {
		purple_roomlist_set_in_progress(js->roomlist, FALSE);
		purple_roomlist_unref(js->roomlist);
		js->roomlist = NULL;
	}
}

static void roomlist_ok_cb(JabberStream *js, const char *server)
{
	JabberIq *iq;

	if(!js->roomlist)
		return;

	if(!server || !*server) {
		purple_notify_error(js->gc, _("Invalid Server"), _("Invalid Server"), NULL);
		return;
	}

	purple_roomlist_set_in_progress(js->roomlist, TRUE);

	iq = jabber_iq_new_query(js, JABBER_IQ_GET, "http://jabber.org/protocol/disco#items");

	xmlnode_set_attrib(iq->node, "to", server);

	jabber_iq_set_callback(iq, roomlist_disco_result_cb, NULL);

	jabber_iq_send(iq);
}

char *jabber_roomlist_room_serialize(PurpleRoomlistRoom *room)
{

	return g_strdup_printf("%s@%s", (char*)room->fields->data, (char*)room->fields->next->data);
}

PurpleRoomlist *jabber_roomlist_get_list(PurpleConnection *gc)
{
	JabberStream *js = gc->proto_data;
	GList *fields = NULL;
	PurpleRoomlistField *f;

	if(js->roomlist)
		purple_roomlist_unref(js->roomlist);

	js->roomlist = purple_roomlist_new(purple_connection_get_account(js->gc));

	f = purple_roomlist_field_new(PURPLE_ROOMLIST_FIELD_STRING, "", "room", TRUE);
	fields = g_list_append(fields, f);

	f = purple_roomlist_field_new(PURPLE_ROOMLIST_FIELD_STRING, "", "server", TRUE);
	fields = g_list_append(fields, f);

	f = purple_roomlist_field_new(PURPLE_ROOMLIST_FIELD_STRING, _("Description"), "description", FALSE);
	fields = g_list_append(fields, f);

	purple_roomlist_set_fields(js->roomlist, fields);


	purple_request_input(gc, _("Enter a Conference Server"), _("Enter a Conference Server"),
			_("Select a conference server to query"),
			js->chat_servers ? js->chat_servers->data : NULL,
			FALSE, FALSE, NULL,
			_("Find Rooms"), PURPLE_CALLBACK(roomlist_ok_cb),
			_("Cancel"), PURPLE_CALLBACK(roomlist_cancel_cb),
			purple_connection_get_account(gc), NULL, NULL,			 
			js);

	return js->roomlist;
}

void jabber_roomlist_cancel(PurpleRoomlist *list)
{
	PurpleConnection *gc;
	JabberStream *js;

	gc = purple_account_get_connection(list->account);
	js = gc->proto_data;

	purple_roomlist_set_in_progress(list, FALSE);

	if (js->roomlist == list) {
		js->roomlist = NULL;
		purple_roomlist_unref(list);
	}
}

void jabber_chat_member_free(JabberChatMember *jcm)
{
	g_free(jcm->handle);
	g_free(jcm->jid);
	g_free(jcm);
}

void jabber_chat_track_handle(JabberChat *chat, const char *handle,
		const char *jid, const char *affiliation, const char *role)
{
	JabberChatMember *jcm = g_new0(JabberChatMember, 1);

	jcm->handle = g_strdup(handle);
	jcm->jid = g_strdup(jid);

	g_hash_table_replace(chat->members, jcm->handle, jcm);

	/* XXX: keep track of role and affiliation */
}

void jabber_chat_remove_handle(JabberChat *chat, const char *handle)
{
	g_hash_table_remove(chat->members, handle);
}

gboolean jabber_chat_ban_user(JabberChat *chat, const char *who, const char *why)
{
	JabberIq *iq;
	JabberChatMember *jcm = g_hash_table_lookup(chat->members, who);
	char *to;
	xmlnode *query, *item, *reason;

	if(!jcm || !jcm->jid)
		return FALSE;

	iq = jabber_iq_new_query(chat->js, JABBER_IQ_SET,
			"http://jabber.org/protocol/muc#admin");

	to = g_strdup_printf("%s@%s", chat->room, chat->server);
	xmlnode_set_attrib(iq->node, "to", to);
	g_free(to);

	query = xmlnode_get_child(iq->node, "query");
	item = xmlnode_new_child(query, "item");
	xmlnode_set_attrib(item, "jid", jcm->jid);
	xmlnode_set_attrib(item, "affiliation", "outcast");
	if(why) {
		reason = xmlnode_new_child(item, "reason");
		xmlnode_insert_data(reason, why, -1);
	}

	jabber_iq_send(iq);

	return TRUE;
}

gboolean jabber_chat_affiliate_user(JabberChat *chat, const char *who, const char *affiliation)
{
	char *to;
	JabberIq *iq;
	xmlnode *query, *item;
	JabberChatMember *jcm;

	jcm = g_hash_table_lookup(chat->members, who);

	if (!jcm || !jcm->jid)
		return FALSE;

	iq = jabber_iq_new_query(chat->js, JABBER_IQ_SET,
			"http://jabber.org/protocol/muc#admin");

	to = g_strdup_printf("%s@%s", chat->room, chat->server);
	xmlnode_set_attrib(iq->node, "to", to);
	g_free(to);

	query = xmlnode_get_child(iq->node, "query");
	item = xmlnode_new_child(query, "item");
	xmlnode_set_attrib(item, "jid", jcm->jid);
	xmlnode_set_attrib(item, "affiliation", affiliation);

	jabber_iq_send(iq);

	return TRUE;
}

gboolean jabber_chat_role_user(JabberChat *chat, const char *who, const char *role)
{
	char *to;
	JabberIq *iq;
	xmlnode *query, *item;
	JabberChatMember *jcm;

	jcm = g_hash_table_lookup(chat->members, who);

	if (!jcm || !jcm->handle)
		return FALSE;

	iq = jabber_iq_new_query(chat->js, JABBER_IQ_SET,
	                         "http://jabber.org/protocol/muc#admin");

	to = g_strdup_printf("%s@%s", chat->room, chat->server);
	xmlnode_set_attrib(iq->node, "to", to);
	g_free(to);

	query = xmlnode_get_child(iq->node, "query");
	item = xmlnode_new_child(query, "item");
	xmlnode_set_attrib(item, "nick", jcm->handle);
	xmlnode_set_attrib(item, "role", role);

	jabber_iq_send(iq);

	return TRUE;
}

gboolean jabber_chat_kick_user(JabberChat *chat, const char *who, const char *why)
{
	JabberIq *iq;
	JabberChatMember *jcm = g_hash_table_lookup(chat->members, who);
	char *to;
	xmlnode *query, *item, *reason;

	if(!jcm || !jcm->jid)
		return FALSE;

	iq = jabber_iq_new_query(chat->js, JABBER_IQ_SET,
			"http://jabber.org/protocol/muc#admin");

	to = g_strdup_printf("%s@%s", chat->room, chat->server);
	xmlnode_set_attrib(iq->node, "to", to);
	g_free(to);

	query = xmlnode_get_child(iq->node, "query");
	item = xmlnode_new_child(query, "item");
	xmlnode_set_attrib(item, "jid", jcm->jid);
	xmlnode_set_attrib(item, "role", "none");
	if(why) {
		reason = xmlnode_new_child(item, "reason");
		xmlnode_insert_data(reason, why, -1);
	}

	jabber_iq_send(iq);

	return TRUE;
}

static void jabber_chat_disco_traffic_cb(JabberStream *js, xmlnode *packet, gpointer data)
{
	JabberChat *chat;
	xmlnode *query;
	int id = GPOINTER_TO_INT(data);

	if(!(chat = jabber_chat_find_by_id(js, id)))
		return;

	/* defaults, in case the conference server doesn't
	 * support this request */
	chat->xhtml = TRUE;

	if(xmlnode_get_child(packet, "error")) {
		return;
	}

	if(!(query = xmlnode_get_child(packet, "query")))
		return;

	/* disabling this until more MUC servers support
	 * announcing this
	chat->xhtml = FALSE;

	for(x = xmlnode_get_child(query, "feature"); x; x = xmlnode_get_next_twin(x)) {
		const char *var = xmlnode_get_attrib(x, "var");

		if(var && !strcmp(var, "http://jabber.org/protocol/xhtml-im")) {
			chat->xhtml = TRUE;
		}
	}
	*/
}

void jabber_chat_disco_traffic(JabberChat *chat)
{
	JabberIq *iq;
	xmlnode *query;
	char *room_jid;

	room_jid = g_strdup_printf("%s@%s", chat->room, chat->server);

	iq = jabber_iq_new_query(chat->js, JABBER_IQ_GET,
			"http://jabber.org/protocol/disco#info");

	xmlnode_set_attrib(iq->node, "to", room_jid); 

	query = xmlnode_get_child(iq->node, "query");

	xmlnode_set_attrib(query, "node", "http://jabber.org/protocol/muc#traffic");

	jabber_iq_set_callback(iq, jabber_chat_disco_traffic_cb, GINT_TO_POINTER(chat->id));

	jabber_iq_send(iq);

	g_free(room_jid);
}