challenger

OAuth 2.0-based authentication service that validates user can receive messages at a certain address
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get_validation_address.c (2132B)

      1 /*
      2    This file is part of Challenger
      3    Copyright (C) 2025 Taler Systems SA
      4 
      5    Challenger 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    Challenger 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    Challenger; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15  */
     16 /**
     17  * @file src/challengerdb/get_validation_address.c
     18  * @brief Implementation of the get_validation_address 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 "get_validation_address.h"
     26 #include "pg_helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 CHALLENGERDB_get_validation_address (struct CHALLENGERDB_PostgresContext *ctx,
     30                                      const struct CHALLENGER_ValidationNonceP *
     31                                      nonce,
     32                                      json_t **address)
     33 {
     34   struct GNUNET_PQ_QueryParam params[] = {
     35     GNUNET_PQ_query_param_auto_from_type (nonce),
     36     GNUNET_PQ_query_param_end
     37   };
     38   struct GNUNET_PQ_ResultSpec rs[] = {
     39     GNUNET_PQ_result_spec_allow_null (
     40       TALER_PQ_result_spec_json ("address",
     41                                  address),
     42       NULL),
     43     GNUNET_PQ_result_spec_end
     44   };
     45 
     46   *address = NULL;
     47   PREPARE (ctx,
     48            "get_validation_address",
     49            "SELECT "
     50            "  address"
     51            " FROM validations"
     52            " WHERE nonce=$1");
     53   return GNUNET_PQ_eval_prepared_singleton_select (ctx->conn,
     54                                                    "get_validation_address",
     55                                                    params,
     56                                                    rs);
     57 }