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/*
This file is part of TALER
Copyright (C) 2015-2024 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file taler-exchange-httpd_config.c
* @brief Handle /config requests
* @author Christian Grothoff
*/
#include "platform.h"
#include <gnunet/gnunet_json_lib.h>
#include "taler_dbevents.h"
#include "taler-exchange-httpd_config.h"
#include "taler_json_lib.h"
#include "taler_kyclogic_lib.h"
#include "taler_mhd_lib.h"
#include <jansson.h>
MHD_RESULT
TEH_handler_config (struct TEH_RequestContext *rc,
const char *const args[])
{
static struct MHD_Response *resp;
if (NULL == resp)
{
struct GNUNET_TIME_Absolute a;
struct GNUNET_TIME_Timestamp km;
char dat[128];
a = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_DAYS);
/* Round up to next full day to ensure the expiration
time does not become a fingerprint! */
a = GNUNET_TIME_absolute_round_down (a,
GNUNET_TIME_UNIT_DAYS);
a = GNUNET_TIME_absolute_add (a,
GNUNET_TIME_UNIT_DAYS);
/* => /config response stays at most 48h in caches! */
km = GNUNET_TIME_absolute_to_timestamp (a);
TALER_MHD_get_date_string (km.abs_time,
dat);
resp = TALER_MHD_MAKE_JSON_PACK (
GNUNET_JSON_pack_array_steal ("supported_kyc_requirements",
TALER_KYCLOGIC_get_satisfiable ()),
GNUNET_JSON_pack_object_steal (
"currency_specification",
TALER_CONFIG_currency_specs_to_json (TEH_cspec)),
GNUNET_JSON_pack_string ("currency",
TEH_currency),
GNUNET_JSON_pack_string ("name",
"taler-exchange"),
GNUNET_JSON_pack_string ("implementation",
"urn:net:taler:specs:taler-exchange:c-reference"),
GNUNET_JSON_pack_string ("version",
EXCHANGE_PROTOCOL_VERSION));
GNUNET_break (MHD_YES ==
MHD_add_response_header (resp,
MHD_HTTP_HEADER_EXPIRES,
dat));
GNUNET_break (MHD_YES ==
MHD_add_response_header (resp,
MHD_HTTP_HEADER_CACHE_CONTROL,
"public,max-age=21600")); /* 6h */
}
return MHD_queue_response (rc->connection,
MHD_HTTP_OK,
resp);
}
/* end of taler-exchange-httpd_config.c */
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