merchant

Merchant backend to process payments, run by merchants
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pg_solve_mfa_challenge.h (1937B)


      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_solve_mfa_challenge.h
     18  * @brief implementation of the solve_mfa_challenge function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #ifndef PG_SOLVE_MFA_CHALLENGE_H
     22 #define PG_SOLVE_MFA_CHALLENGE_H
     23 
     24 #include <taler/taler_util.h>
     25 #include <taler/taler_json_lib.h>
     26 #include "taler_merchantdb_plugin.h"
     27 
     28 /**
     29  * Attempt to solve new multi-factor authorization (MFA) challenge.
     30  * Checks the solution against the code in the database and updates
     31  * the solution state and (on failure) retry counter depending on
     32  * the result.
     33  *
     34  * @param cls closure
     35  * @param challenge_id challenge ID to be solved
     36  * @param h_body body of the operation the challenge authorizes
     37  * @param solution proposed solution to be checked against the actual code
     38  * @param[out] solved set to true if the challenge was solved by
     39  *             @a solution
     40  * @param[out] retry_counter set to the number of attempts that remain
     41  *             for solving the challenge (after this time)
     42  * @return database result code
     43  */
     44 enum GNUNET_DB_QueryStatus
     45 TMH_PG_solve_mfa_challenge (
     46   void *cls,
     47   uint64_t challenge_id,
     48   const struct TALER_MERCHANT_MFA_BodyHash *h_body,
     49   const char *solution,
     50   bool *solved,
     51   uint32_t *retry_counter);
     52 
     53 #endif