challenger

OAuth 2.0-based authentication service that validates user can receive messages at a certain address
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address_get.c (1992B)

      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/address_get.c
     18  * @brief Implementation of the address_get 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 "address_get.h"
     26 #include "pg_helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 CHALLENGERDB_address_get (struct CHALLENGERDB_PostgresContext *ctx,
     30                    const struct CHALLENGER_ValidationNonceP *nonce,
     31                    json_t **address)
     32 {
     33   struct GNUNET_PQ_QueryParam params[] = {
     34     GNUNET_PQ_query_param_auto_from_type (nonce),
     35     GNUNET_PQ_query_param_end
     36   };
     37   struct GNUNET_PQ_ResultSpec rs[] = {
     38     GNUNET_PQ_result_spec_allow_null (
     39       TALER_PQ_result_spec_json ("address",
     40                                  address),
     41       NULL),
     42     GNUNET_PQ_result_spec_end
     43   };
     44 
     45   *address = NULL;
     46   PREPARE (ctx,
     47            "address_get",
     48            "SELECT "
     49            "  address"
     50            " FROM validations"
     51            " WHERE nonce=$1");
     52   return GNUNET_PQ_eval_prepared_singleton_select (ctx->conn,
     53                                                    "address_get",
     54                                                    params,
     55                                                    rs);
     56 }