/*
* action-handlers.c
*
* Copyrigth (C) 2010 Nicolas Cornu <nicolas.cornu@ensi-bourges.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <glib.h>
#include <mcabber/logprint.h>
#include <jingle/jingle.h>
#include <jingle/check.h>
#include <jingle/sessions.h>
#include <jingle/register.h>
#include <jingle/send.h>
/* The session-initiate action is used to request negotiation of a new Jingle
* session. When sending a session-initiate with one <content/> element, the
* value of the <content/> element's 'disposition' attribute MUST be "session"
* (if there are multiple <content/> elements then at least one MUST have a
* disposition of "session"); if this rule is violated, the responder MUST
* return a <bad-request/> error to the initiator.
*/
void handle_session_initiate(LmMessage *m, JingleNode *jn)
{
GError *err = NULL;
gboolean is_session = FALSE;
GSList *child = NULL;
JingleContent *cn;
if (!check_contents(jn, &err)) {
scr_log_print(LPRINT_DEBUG, "jingle: One of the content element was invalid (%s)",
err->message);
jingle_send_iq_error(m, "cancel", "bad-request", NULL);
return;
}
// a session-initiate message must contains at least one <content> element
if (g_slist_length(jn->content) < 1) {
jingle_send_iq_error(m, "cancel", "bad-request", NULL);
return;
}
// one of the content element must be a "session"
for (child = jn->content; child && !is_session; child = child->next) {
if(g_strcmp0(((JingleContent*)(child->data))->disposition, "session") ||
((JingleContent*)(child->data))->disposition == NULL) // default: session
is_session=TRUE;
}
if(!is_session) {
jingle_send_iq_error(m, "cancel", "bad-request", NULL);
return;
}
// if a session with the same sid already exists
if (session_find(jn->sid, jn->from) != NULL) {
jingle_send_iq_error(m, "cancel", "unexpected-request", "out-of-order");
return;
}
// the important from is one in the session-initiate
jn->from = lm_message_node_get_attribute(lm_message_get_node(m), "from");
jingle_ack_iq(m);
is_session = FALSE;
// Do we support any of this xmlns ?
for (child = jn->content; child && !is_session; child = child->next) {
if(jingle_get_appfuncs(((JingleContent*)(child->data))->xmlns_desc) != NULL)
is_session = TRUE;
}
if(!is_session) { // None of the app is supported
jingle_send_session_terminate(m, "unsupported-applications");
}
}
void handle_session_terminate(LmMessage *m, JingleNode *jn)
{
JingleSession *sess;
if ((sess = session_find(jn->sid, jn->from)) == NULL) {
jingle_send_iq_error(m, "cancel", "item-not-found", "unknown-session");
return;
}
session_delete(sess);
}