challenger

OAuth 2.0-based authentication service that validates user can receive messages at a certain address
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get_client.c (2064B)

      1 /*
      2    This file is part of Challenger
      3    Copyright (C) 2023 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_client.c
     18  * @brief Implementation of the get_client 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_client.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 CHALLENGERDB_get_client (
     31   struct CHALLENGERDB_PostgresContext *ctx,
     32   uint64_t client_id,
     33   const char *client_secret,
     34   char **client_redirect_uri)
     35 {
     36   struct GNUNET_PQ_QueryParam params[] = {
     37     GNUNET_PQ_query_param_uint64 (&client_id),
     38     GNUNET_PQ_query_param_string (client_secret),
     39     GNUNET_PQ_query_param_end
     40   };
     41   struct GNUNET_PQ_ResultSpec rs[] = {
     42     GNUNET_PQ_result_spec_allow_null (
     43       GNUNET_PQ_result_spec_string ("uri",
     44                                     client_redirect_uri),
     45       NULL),
     46     GNUNET_PQ_result_spec_end
     47   };
     48 
     49   *client_redirect_uri = NULL;
     50   PREPARE (ctx,
     51            "get_client",
     52            "SELECT uri"
     53            " FROM clients"
     54            " WHERE client_serial_id=$1"
     55            "   AND client_secret=$2;");
     56   return GNUNET_PQ_eval_prepared_singleton_select (ctx->conn,
     57                                                    "get_client",
     58                                                    params,
     59                                                    rs);
     60 }