jabberd2  2.2.16
sm/mod_pep.c
Go to the documentation of this file.
00001 /*
00002  * jabberd - Jabber Open Source Server
00003  * Copyright (c) 2009 Tomasz Sterna
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
00018  */
00019 
00020 #include "sm.h"
00021 
00022 /*
00023  * XEP-0163 is some lunatic nightmare...
00024  *
00025  * If you want it - YOU implement it!
00026  */
00027 
00033 #define uri_PUBSUB   "http://jabber.org/protocol/pubsub"
00034 static int ns_PUBSUB = 0;
00035 
00036 static mod_ret_t _pep_in_sess(mod_instance_t mi, sess_t sess, pkt_t pkt) {
00037     int ns, elem;
00038 
00039     /* only handle private sets and gets */
00040     if((pkt->type != pkt_IQ && pkt->type != pkt_IQ_SET) || pkt->ns != ns_PUBSUB)
00041         return mod_PASS;
00042 
00043     /* we're only interested in no to, to our host, or to us */
00044     if(pkt->to != NULL && jid_compare_user(sess->jid, pkt->to) != 0 && strcmp(sess->jid->domain, jid_user(pkt->to)) != 0)
00045         return mod_PASS;
00046 
00047     ns = nad_find_scoped_namespace(pkt->nad, uri_PUBSUB, NULL);
00048     elem = nad_find_elem(pkt->nad, 1, ns, "pubsub", 1);
00049 
00050     log_debug(ZONE, "_pep_in_sess() %d %d", ns, elem);
00051     return mod_PASS;
00052 }
00053 
00054 static mod_ret_t _pep_out_sess(mod_instance_t mi, sess_t sess, pkt_t pkt) {
00055     /* add pep identity to disco results from bare JID */
00056     if(!(pkt->type & pkt_IQ) || pkt->ns != ns_DISCO_INFO || (pkt->from != NULL && strcmp(jid_user(sess->jid), jid_full(pkt->from))))
00057         return mod_PASS;
00058 
00059     /* add PEP identity */
00060     nad_append_elem(pkt->nad, -1, "identity", 3);
00061     nad_append_attr(pkt->nad, -1, "category", "pubsub");
00062     nad_append_attr(pkt->nad, -1, "type", "pep");
00063 
00064     nad_append_elem(pkt->nad, -1, "feature", 3);
00065     nad_append_attr(pkt->nad, -1, "var", uri_PUBSUB "#access-presence");
00066     nad_append_elem(pkt->nad, -1, "feature", 3);
00067     nad_append_attr(pkt->nad, -1, "var", uri_PUBSUB "#auto-create");
00068     nad_append_elem(pkt->nad, -1, "feature", 3);
00069     nad_append_attr(pkt->nad, -1, "var", uri_PUBSUB "#auto-subscribe");
00070     nad_append_elem(pkt->nad, -1, "feature", 3);
00071     nad_append_attr(pkt->nad, -1, "var", uri_PUBSUB "#filtered-notifications");
00072     nad_append_elem(pkt->nad, -1, "feature", 3);
00073     nad_append_attr(pkt->nad, -1, "var", uri_PUBSUB "#publish");
00074 
00075     return mod_PASS;
00076 }
00077 
00078 DLLEXPORT int module_init(mod_instance_t mi, char *arg) {
00079     module_t mod = mi->mod;
00080 
00081     if(mod->init) return 0;
00082 
00083     mod->in_sess = _pep_in_sess;
00084     mod->out_sess = _pep_out_sess;
00085 
00086     ns_PUBSUB = sm_register_ns(mod->mm->sm, uri_PUBSUB);
00087     feature_register(mod->mm->sm, uri_PUBSUB);
00088 
00089     return 0;
00090 }