merchant

Merchant backend to process payments, run by merchants
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create_mfa_challenge.c (3570B)


      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 src/backenddb/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_pq_lib.h>
     23 #include "taler/taler_merchant_util.h"
     24 #include "merchantdb_lib.h"
     25 #include "merchant-database/create_mfa_challenge.h"
     26 #include "helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TALER_MERCHANTDB_create_mfa_challenge (
     31   struct TALER_MERCHANTDB_PostgresContext *pg,
     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   const char *instance_id,
     41   uint64_t *challenge_id)
     42 {
     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_uint64 (&pg->current_merchant_serial), /* $10 */
     57     GNUNET_PQ_query_param_end
     58   };
     59   struct GNUNET_PQ_ResultSpec rs[] = {
     60     GNUNET_PQ_result_spec_uint64 ("challenge_id",
     61                                   challenge_id),
     62     GNUNET_PQ_result_spec_end
     63   };
     64 
     65   GNUNET_assert (NULL != pg->current_merchant_id);
     66   GNUNET_assert (0 == strcmp (instance_id,
     67                               pg->current_merchant_id));
     68   GNUNET_assert (0 != pg->current_merchant_serial);
     69   PREPARE (pg,
     70            "create_mfa_challenge",
     71            "INSERT INTO merchant.tan_challenges"
     72            " (h_body"
     73            " ,salt"
     74            " ,op"
     75            " ,code"
     76            " ,creation_date"
     77            " ,expiration_date"
     78            " ,retransmission_date"
     79            " ,retry_counter" /* always set to 3 */
     80            " ,tan_channel"
     81            " ,required_address"
     82            " ,merchant_serial)"
     83            " VALUES"
     84            "   ($1, $2, $3, $4, $5, $6, $7, 3, $8, $9, $10)"
     85            " RETURNING challenge_id;");
     86   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     87                                                    "create_mfa_challenge",
     88                                                    params,
     89                                                    rs);
     90 }