--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jingle-filetransfer/filetransfer.c	Wed Jun 16 20:16:45 2010 +0200
@@ -0,0 +1,121 @@
+/*
+ * 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);
+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->description, "offer");
+  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);
+}