Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2022 Taler Systems SA
       4              : 
       5              :    TALER is free software; you can redistribute it and/or modify it under the
       6              :    terms of the GNU General Public License as published by the Free Software
       7              :    Foundation; either version 3, or (at your option) any later version.
       8              : 
       9              :    TALER is distributed in the hope that it will be useful, but WITHOUT ANY
      10              :    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
      11              :    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
      12              : 
      13              :    You should have received a copy of the GNU General Public License along with
      14              :    TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
      15              :  */
      16              : /**
      17              :  * @file backenddb/pg_select_otp.c
      18              :  * @brief Implementation of the select_otp function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "platform.h"
      22              : #include <taler/taler_error_codes.h>
      23              : #include <taler/taler_dbevents.h>
      24              : #include <taler/taler_pq_lib.h>
      25              : #include "pg_select_otp.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30            6 : TMH_PG_select_otp (void *cls,
      31              :                    const char *instance_id,
      32              :                    const char *otp_id,
      33              :                    struct TALER_MERCHANTDB_OtpDeviceDetails *td)
      34              : {
      35            6 :   struct PostgresClosure *pg = cls;
      36            6 :   struct GNUNET_PQ_QueryParam params[] = {
      37            6 :     GNUNET_PQ_query_param_string (instance_id),
      38            6 :     GNUNET_PQ_query_param_string (otp_id),
      39              :     GNUNET_PQ_query_param_end
      40              :   };
      41              : 
      42            6 :   PREPARE (pg,
      43              :            "select_otp",
      44              :            "SELECT"
      45              :            " otp_description"
      46              :            ",otp_ctr"
      47              :            ",otp_key"
      48              :            ",otp_algorithm"
      49              :            " FROM merchant_otp_devices"
      50              :            " JOIN merchant_instances"
      51              :            "   USING (merchant_serial)"
      52              :            " WHERE merchant_instances.merchant_id=$1"
      53              :            "   AND merchant_otp_devices.otp_id=$2");
      54            6 :   if (NULL == td)
      55              :   {
      56            0 :     struct GNUNET_PQ_ResultSpec rs_null[] = {
      57              :       GNUNET_PQ_result_spec_end
      58              :     };
      59              : 
      60            0 :     check_connection (pg);
      61            0 :     return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      62              :                                                      "select_otp",
      63              :                                                      params,
      64              :                                                      rs_null);
      65              :   }
      66              :   else
      67              :   {
      68              :     uint32_t pos32;
      69            6 :     struct GNUNET_PQ_ResultSpec rs[] = {
      70            6 :       GNUNET_PQ_result_spec_string ("otp_description",
      71              :                                     &td->otp_description),
      72            6 :       GNUNET_PQ_result_spec_uint64 ("otp_ctr",
      73              :                                     &td->otp_ctr),
      74            6 :       GNUNET_PQ_result_spec_string ("otp_key",
      75              :                                     &td->otp_key),
      76            6 :       GNUNET_PQ_result_spec_uint32 ("otp_algorithm",
      77              :                                     &pos32),
      78              :       GNUNET_PQ_result_spec_end
      79              :     };
      80              :     enum GNUNET_DB_QueryStatus qs;
      81              : 
      82            6 :     check_connection (pg);
      83            6 :     qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      84              :                                                    "select_otp",
      85              :                                                    params,
      86              :                                                    rs);
      87            6 :     td->otp_algorithm = (enum TALER_MerchantConfirmationAlgorithm) pos32;
      88            6 :     return qs;
      89              :   }
      90              : }
      91              :