challenger

OAuth 2.0-based authentication service that validates user can receive messages at a certain address
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validation_get.c (2979B)

      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/validation_get.c
     18  * @brief Implementation of the validation_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 "validation_get.h"
     26 #include "pg_helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 CHALLENGERDB_validation_get (struct CHALLENGERDB_PostgresContext *ctx,
     30                       const struct CHALLENGER_ValidationNonceP *nonce,
     31                       char **client_secret,
     32                       json_t **address,
     33                       char **client_scope,
     34                       char **client_state,
     35                       char **client_redirect_uri)
     36 {
     37   struct GNUNET_PQ_QueryParam params[] = {
     38     GNUNET_PQ_query_param_auto_from_type (nonce),
     39     GNUNET_PQ_query_param_end
     40   };
     41   struct GNUNET_PQ_ResultSpec rs[] = {
     42     GNUNET_PQ_result_spec_string ("client_secret",
     43                                   client_secret),
     44     GNUNET_PQ_result_spec_allow_null (
     45       TALER_PQ_result_spec_json ("address",
     46                                  address),
     47       NULL),
     48     GNUNET_PQ_result_spec_allow_null (
     49       GNUNET_PQ_result_spec_string ("client_scope",
     50                                     client_scope),
     51       NULL),
     52     GNUNET_PQ_result_spec_allow_null (
     53       GNUNET_PQ_result_spec_string ("client_state",
     54                                     client_state),
     55       NULL),
     56     GNUNET_PQ_result_spec_string ("redirect_uri",
     57                                   client_redirect_uri),
     58     GNUNET_PQ_result_spec_end
     59   };
     60 
     61   *client_scope = NULL;
     62   *client_state = NULL;
     63   *address = NULL;
     64   PREPARE (ctx,
     65            "validation_get",
     66            "SELECT "
     67            "  client_secret"
     68            " ,address"
     69            " ,client_scope"
     70            " ,client_state"
     71            " ,COALESCE(client_redirect_uri,uri) AS redirect_uri"
     72            " FROM validations"
     73            " JOIN clients "
     74            "  USING (client_serial_id)"
     75            " WHERE nonce=$1");
     76   return GNUNET_PQ_eval_prepared_singleton_select (ctx->conn,
     77                                                    "validation_get",
     78                                                    params,
     79                                                    rs);
     80 }