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             :