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/*
This file is part of TALER
Copyright (C) 2022 Taler Systems SA
TALER 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 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file backenddb/pg_select_otp.c
* @brief Implementation of the select_otp function for Postgres
* @author Christian Grothoff
*/
#include "platform.h"
#include <taler/taler_error_codes.h>
#include <taler/taler_dbevents.h>
#include <taler/taler_pq_lib.h>
#include "pg_select_otp.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TMH_PG_select_otp (void *cls,
const char *instance_id,
const char *otp_id,
struct TALER_MERCHANTDB_OtpDeviceDetails *td)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (instance_id),
GNUNET_PQ_query_param_string (otp_id),
GNUNET_PQ_query_param_end
};
PREPARE (pg,
"select_otp",
"SELECT"
" otp_description"
",otp_ctr"
",otp_key"
",otp_algorithm"
" FROM merchant_otp_devices"
" JOIN merchant_instances"
" USING (merchant_serial)"
" WHERE merchant_instances.merchant_id=$1"
" AND merchant_otp_devices.otp_id=$2");
if (NULL == td)
{
struct GNUNET_PQ_ResultSpec rs_null[] = {
GNUNET_PQ_result_spec_end
};
check_connection (pg);
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"select_otp",
params,
rs_null);
}
else
{
uint32_t pos32;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_string ("otp_description",
&td->otp_description),
GNUNET_PQ_result_spec_uint64 ("otp_ctr",
&td->otp_ctr),
GNUNET_PQ_result_spec_string ("otp_key",
&td->otp_key),
GNUNET_PQ_result_spec_uint32 ("otp_algorithm",
&pos32),
GNUNET_PQ_result_spec_end
};
enum GNUNET_DB_QueryStatus qs;
check_connection (pg);
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"select_otp",
params,
rs);
td->otp_algorithm = (enum TALER_MerchantConfirmationAlgorithm) pos32;
return qs;
}
}
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