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/*
* caps-hash.c - Computing verification string hash (XEP-0115 v1.5)
* Copyright (C) 2006-2008 Collabora Ltd.
* Copyright (C) 2006-2008 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Computing verification string hash (XEP-0115 v1.5)
*
* Salut does not do anything with dataforms (XEP-0128) included in
* capabilities. However, it needs to parse them in order to compute the hash
* according to XEP-0115.
*/
#include "config.h"
#include "caps-hash.h"
#include <string.h>
#define DEBUG_FLAG SALUT_DEBUG_PRESENCE
#include "debug.h"
#include "capabilities.h"
#include "self.h"
static void
add_to_pointer_array_foreach (gpointer ns,
gpointer arr)
{
g_ptr_array_add (arr, g_strdup (ns));
}
/**
* Compute our hash as defined by the XEP-0115.
*
* Returns: the hash. The called must free the returned hash with g_free().
*/
gchar *
caps_hash_compute_from_self_presence (SalutSelf *self)
{
const GabbleCapabilitySet *caps = salut_self_get_caps (self);
GPtrArray *features = g_ptr_array_new ();
GPtrArray *identities = wocky_disco_identity_array_new ();
const GPtrArray *dataforms =
wocky_xep_0115_capabilities_get_data_forms (WOCKY_XEP_0115_CAPABILITIES (self));
gchar *str;
gabble_capability_set_foreach (caps, add_to_pointer_array_foreach, features);
/* XEP-0030 requires at least 1 identity. We don't need more. */
g_ptr_array_add (identities,
wocky_disco_identity_new ("client", "pc",
NULL, PACKAGE_STRING));
str = wocky_caps_hash_compute_from_lists (features, identities,
(GPtrArray *) dataforms);
g_ptr_array_unref (features);
wocky_disco_identity_array_free (identities);
return str;
}
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