/*
* filetransfer.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 "config.h"
#include <glib.h>
#include <mcabber/modules.h>
#include <mcabber/utils.h>
#include <mcabber/xmpp_helper.h>
#include <jingle/jingle.h>
#include <jingle/check.h>
#include <jingle/register.h>
#include "filetransfer.h"
gconstpointer jingle_ft_check(JingleContent *cn, GError **err, gpointer *data);
gconstpointer jingle_ft_parse(JingleContent *cn, GError **err, gpointer *data);
static void jingle_ft_init(void);
static void jingle_ft_uninit(void);
const gchar *deps[] = { "jingle", NULL };
JingleAppFuncs funcs = {jingle_ft_check, NULL};
module_info_t info_jingle_filetransfer = {
.branch = MCABBER_BRANCH,
.api = MCABBER_API_VERSION,
.version = PROJECT_VERSION,
.description = "Jingle File Transfer (XEP-0234)\n",
.requires = deps,
.init = jingle_ft_init,
.uninit = jingle_ft_uninit,
.next = NULL,
};
gconstpointer jingle_ft_check(JingleContent *cn, GError **err, gpointer *data)
{
JingleFT *ft = NULL;
LmMessageNode *node;
const gchar *datestr, *sizestr;
node = lm_message_node_get_child(cn->node, "description");
if (!node) {
g_set_error(err, JINGLE_CHECK_ERROR, JINGLE_CHECK_ERROR_MISSING,
"the offer element is missing");
return NULL;
}
node = lm_message_node_get_child(cn->description, "file");
if (!node) {
g_set_error(err, JINGLE_CHECK_ERROR, JINGLE_CHECK_ERROR_MISSING,
"the file element is missing");
return NULL;
}
if (g_strcmp0(lm_message_node_get_attribute(node, "xmlns"), NS_SI_FT)) {
g_set_error(err, JINGLE_CHECK_ERROR, JINGLE_CHECK_ERROR_MISSING,
"the file transfer offer has an invalid/unsupported namespace");
return NULL;
}
ft = g_new0(JingleFT, 1);
datestr = lm_message_node_get_attribute(node, "date");
ft->hash = lm_message_node_get_attribute(node, "hash");
ft->name = lm_message_node_get_attribute(node, "name");
sizestr = lm_message_node_get_attribute(node, "size");
if (!ft->name || !sizestr) {
g_set_error(err, JINGLE_CHECK_ERROR, JINGLE_CHECK_ERROR_MISSING,
"an attribute of the file element is missing");
g_free(ft);
return NULL;
}
ft->date = from_iso8601(datestr, 1);
ft->size = g_ascii_strtoll(sizestr, NULL, 10);
// the size attribute is a xs:integer an therefore can be negative.
if (ft->size < 0) {
g_set_error(err, JINGLE_CHECK_ERROR, JINGLE_CHECK_ERROR_BADVALUE,
"the offered file has a negative size");
g_free(ft);
return NULL;
}
return (gconstpointer) ft;
}
static void jingle_ft_init(void)
{
jingle_register_app(NS_JINGLE_APP_FT, &funcs, NULL);
xmpp_add_feature(NS_JINGLE_APP_FT);
}
static void jingle_ft_uninit(void)
{
xmpp_del_feature(NS_JINGLE_APP_FT);
jingle_unregister_app(NS_JINGLE_APP_FT);
}