Line data    Source code

       1              : /*
       2              :   This file is part of TALER
       3              :   Copyright (C) 2025-2026 Taler Systems SA
       4              : 
       5              :   TALER is free software; you can redistribute it and/or modify it under the
       6              :   terms of the GNU Lesser General Public License as published by the Free Software
       7              :   Foundation; either version 2.1, 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 Lesser General Public License for more details.
      12              : 
      13              :   You should have received a copy of the GNU Lesser General Public License along with
      14              :   TALER; see the file COPYING.LGPL.  If not, see
      15              :   <http://www.gnu.org/licenses/>
      16              : */
      17              : /**
      18              :  * @file merchant_api_common_mfa_challenge.c
      19              :  * @brief Shared parsing of HTTP 202 MFA challenge responses
      20              :  * @author Christian Grothoff
      21              :  */
      22              : #include "taler/platform.h"
      23              : #include "taler/taler_merchant_service.h"
      24              : #include <gnunet/gnunet_json_lib.h>
      25              : #include "merchant_api_common.h"
      26              : 
      27              : 
      28              : enum GNUNET_GenericReturnValue
      29            0 : TALER_MERCHANT_parse_mfa_challenge_response_ (
      30              :   const json_t *json,
      31              :   struct TALER_MERCHANT_MfaChallengeResponse *cr)
      32              : {
      33              :   const json_t *challenges;
      34              :   struct GNUNET_JSON_Specification spec[] = {
      35            0 :     GNUNET_JSON_spec_bool ("combi_and",
      36              :                            &cr->combi_and),
      37            0 :     GNUNET_JSON_spec_array_const ("challenges",
      38              :                                   &challenges),
      39            0 :     GNUNET_JSON_spec_end ()
      40              :   };
      41              : 
      42            0 :   memset (cr,
      43              :           0,
      44              :           sizeof (*cr));
      45            0 :   if (GNUNET_OK !=
      46            0 :       GNUNET_JSON_parse (json,
      47              :                          spec,
      48              :                          NULL, NULL))
      49              :   {
      50            0 :     GNUNET_break_op (0);
      51            0 :     return GNUNET_SYSERR;
      52              :   }
      53            0 :   cr->challenges_length = (unsigned int) json_array_size (challenges);
      54            0 :   if (0 == cr->challenges_length)
      55              :   {
      56            0 :     GNUNET_break_op (0);
      57            0 :     return GNUNET_SYSERR;
      58              :   }
      59            0 :   cr->challenges = GNUNET_new_array (
      60              :     cr->challenges_length,
      61              :     struct TALER_MERCHANT_MfaChallengeEntry);
      62            0 :   for (unsigned int i = 0; i < cr->challenges_length; i++)
      63              :   {
      64            0 :     const json_t *jentry = json_array_get (challenges,
      65              :                                            i);
      66            0 :     struct TALER_MERCHANT_MfaChallengeEntry *entry = &cr->challenges[i];
      67              :     struct GNUNET_JSON_Specification espec[] = {
      68            0 :       GNUNET_JSON_spec_string ("tan_info",
      69              :                                &entry->tan_info),
      70            0 :       GNUNET_JSON_spec_string ("tan_channel",
      71              :                                &entry->tan_channel),
      72            0 :       GNUNET_JSON_spec_string ("challenge_id",
      73              :                                &entry->challenge_id),
      74            0 :       GNUNET_JSON_spec_end ()
      75              :     };
      76              : 
      77            0 :     if (GNUNET_OK !=
      78            0 :         GNUNET_JSON_parse (jentry,
      79              :                            espec,
      80              :                            NULL, NULL))
      81              :     {
      82            0 :       GNUNET_break_op (0);
      83            0 :       GNUNET_free (cr->challenges);
      84            0 :       cr->challenges_length = 0;
      85            0 :       return GNUNET_SYSERR;
      86              :     }
      87              :   }
      88            0 :   return GNUNET_OK;
      89              : }
      90              : 
      91              : 
      92              : void
      93            0 : TALER_MERCHANT_mfa_challenge_response_free (
      94              :   struct TALER_MERCHANT_MfaChallengeResponse *cr)
      95              : {
      96            0 :   GNUNET_free (cr->challenges);
      97            0 :   cr->challenges_length = 0;
      98            0 : }
      99              : 
     100              : 
     101              : /* end of merchant_api_common_mfa_challenge.c */