merchant

Merchant backend to process payments, run by merchants
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pg_create_mfa_challenge.c (3201B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2025 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_create_mfa_challenge.c
     18  * @brief Implementation of the create_mfa_challenge 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_create_mfa_challenge.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TMH_PG_create_mfa_challenge (
     31   void *cls,
     32   enum TALER_MERCHANT_MFA_CriticalOperation op,
     33   const struct TALER_MERCHANT_MFA_BodyHash *h_body,
     34   const struct TALER_MERCHANT_MFA_BodySalt *salt,
     35   const char *code,
     36   struct GNUNET_TIME_Absolute expiration_date,
     37   struct GNUNET_TIME_Absolute retransmission_date,
     38   enum TALER_MERCHANT_MFA_Channel tan_channel,
     39   const char *required_address,
     40   uint64_t *challenge_id)
     41 {
     42   struct PostgresClosure *pg = cls;
     43   struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
     44   const char *op_str = TALER_MERCHANT_MFA_co_to_string (op);
     45   const char *channel_str = TALER_MERCHANT_MFA_channel_to_string (tan_channel);
     46   struct GNUNET_PQ_QueryParam params[] = {
     47     GNUNET_PQ_query_param_auto_from_type (h_body),
     48     GNUNET_PQ_query_param_auto_from_type (salt),
     49     GNUNET_PQ_query_param_string (op_str),
     50     GNUNET_PQ_query_param_string (code),
     51     GNUNET_PQ_query_param_absolute_time (&now), /* $5 */
     52     GNUNET_PQ_query_param_absolute_time (&expiration_date),
     53     GNUNET_PQ_query_param_absolute_time (&retransmission_date),
     54     GNUNET_PQ_query_param_string (channel_str),
     55     GNUNET_PQ_query_param_string (required_address), /* $9 */
     56     GNUNET_PQ_query_param_end
     57   };
     58   struct GNUNET_PQ_ResultSpec rs[] = {
     59     GNUNET_PQ_result_spec_uint64 ("challenge_id",
     60                                   challenge_id),
     61     GNUNET_PQ_result_spec_end
     62   };
     63 
     64   PREPARE (pg,
     65            "create_mfa_challenge",
     66            "INSERT INTO tan_challenges"
     67            " (h_body"
     68            " ,salt"
     69            " ,op"
     70            " ,code"
     71            " ,creation_date"
     72            " ,expiration_date"
     73            " ,retransmission_date"
     74            " ,retry_counter" /* always set to 3 */
     75            " ,tan_channel"
     76            " ,required_address)"
     77            " VALUES"
     78            " ($1, $2, $3, $4, $5, $6, $7, 3, $8, $9)"
     79            " RETURNING challenge_id;");
     80   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     81                                                    "create_mfa_challenge",
     82                                                    params,
     83                                                    rs);
     84 }