challenger

OAuth 2.0-based authentication service that validates user can receive messages at a certain address
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pg_info_get_token.c (2567B)

      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 challengerdb/pg_info_get_token.c
     18  * @brief Implementation of the info_get_token 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 "pg_info_get_token.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 CH_PG_info_get_token (
     31   void *cls,
     32   const struct CHALLENGER_AccessTokenP *token,
     33   uint64_t *rowid,
     34   json_t **address,
     35   struct GNUNET_TIME_Timestamp *address_expiration)
     36 {
     37   struct PostgresClosure *pg = cls;
     38   struct GNUNET_TIME_Absolute now
     39     = GNUNET_TIME_absolute_get ();
     40   struct GNUNET_PQ_QueryParam params[] = {
     41     GNUNET_PQ_query_param_auto_from_type (token),
     42     GNUNET_PQ_query_param_absolute_time (&now),
     43     GNUNET_PQ_query_param_end
     44   };
     45   struct GNUNET_TIME_Absolute at;
     46   struct GNUNET_PQ_ResultSpec rs[] = {
     47     GNUNET_PQ_result_spec_uint64 ("rowid",
     48                                   rowid),
     49     TALER_PQ_result_spec_json ("address",
     50                                address),
     51     GNUNET_PQ_result_spec_absolute_time ("address_expiration_time",
     52                                          &at),
     53     GNUNET_PQ_result_spec_end
     54   };
     55   enum GNUNET_DB_QueryStatus qs;
     56 
     57   PREPARE (pg,
     58            "info_get_token",
     59            "SELECT "
     60            "  grant_serial_id AS rowid"
     61            " ,address"
     62            " ,address_expiration_time"
     63            " FROM tokens"
     64            " WHERE access_token=$1"
     65            "   AND token_expiration_time > $2");
     66   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     67                                                  "info_get_token",
     68                                                  params,
     69                                                  rs);
     70   if (qs > 0)
     71     *address_expiration = GNUNET_TIME_absolute_to_timestamp (at);
     72   return qs;
     73 }