merchant

Merchant backend to process payments, run by merchants
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pg_insert_token_family_key.c (4893B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2024 Taler Systems SA
      4 
      5    TALER 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    TALER 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    TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15  */
     16 /**
     17  * @file backenddb/pg_insert_token_family_key.c
     18  * @brief Implementation of the insert_token_family_key function for Postgres
     19  * @author Christian Blättler
     20  */
     21 #include "platform.h"
     22 #include <gnunet/gnunet_common.h>
     23 #include <gnunet/gnunet_pq_lib.h>
     24 #include <taler/taler_error_codes.h>
     25 #include <taler/taler_dbevents.h>
     26 #include <taler/taler_pq_lib.h>
     27 #include "pg_insert_token_family_key.h"
     28 #include "pg_helper.h"
     29 
     30 
     31 enum GNUNET_DB_QueryStatus
     32 TMH_PG_insert_token_family_key (
     33   void *cls,
     34   const char *merchant_id,
     35   const char *token_family_slug,
     36   const struct TALER_TokenIssuePublicKey *pub,
     37   const struct TALER_TokenIssuePrivateKey *priv,
     38   struct GNUNET_TIME_Timestamp key_expires,
     39   struct GNUNET_TIME_Timestamp valid_after,
     40   struct GNUNET_TIME_Timestamp valid_before)
     41 {
     42   struct PostgresClosure *pg = cls;
     43   struct GNUNET_TIME_Timestamp now
     44     = GNUNET_TIME_timestamp_get ();
     45   const char *cipher = NULL;
     46 
     47 #if DEBUG
     48   struct GNUNET_HashCode pub_hash;
     49 
     50   switch (pub->public_key->cipher)
     51   {
     52   case GNUNET_CRYPTO_BSA_RSA:
     53     cipher = "rsa";
     54     GNUNET_CRYPTO_rsa_public_key_hash (
     55       pub->public_key->details.rsa_public_key,
     56       &pub_hash);
     57     break;
     58   case GNUNET_CRYPTO_BSA_CS:
     59     cipher = "cs";
     60     GNUNET_CRYPTO_hash (
     61       &pub->public_key->details.cs_public_key,
     62       sizeof (pub->public_key->details.cs_public_key),
     63       &pub_hash);
     64     break;
     65   case GNUNET_CRYPTO_BSA_INVALID:
     66     GNUNET_break (0);
     67     return GNUNET_DB_STATUS_HARD_ERROR;
     68   }
     69   GNUNET_assert (0 ==
     70                  GNUNET_memcmp (&pub_hash,
     71                                 &pub->public_key->pub_key_hash));
     72 #endif
     73   switch (pub->public_key->cipher)
     74   {
     75   case GNUNET_CRYPTO_BSA_RSA:
     76     cipher = "rsa";
     77     break;
     78   case GNUNET_CRYPTO_BSA_CS:
     79     cipher = "cs";
     80     break;
     81   case GNUNET_CRYPTO_BSA_INVALID:
     82     GNUNET_break (0);
     83     return GNUNET_DB_STATUS_HARD_ERROR;
     84   }
     85   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
     86               "Storing token public key with hash %s\n",
     87               GNUNET_h2s (&pub->public_key->pub_key_hash));
     88   GNUNET_assert (pub->public_key->cipher ==
     89                  priv->private_key->cipher);
     90   GNUNET_assert (! GNUNET_TIME_absolute_is_zero (
     91                    valid_after.abs_time));
     92   GNUNET_assert (! GNUNET_TIME_absolute_is_zero (
     93                    valid_before.abs_time));
     94   PREPARE (pg,
     95            "token_family_key_insert",
     96            "INSERT INTO merchant_token_family_keys "
     97            "(token_family_serial"
     98            ",pub"
     99            ",h_pub"
    100            ",priv"
    101            ",private_key_created_at"
    102            ",private_key_deleted_at"
    103            ",signature_validity_start"
    104            ",signature_validity_end"
    105            ",cipher)"
    106            " SELECT token_family_serial, $2, $3, $4, $5, $6, $7, $8, $9"
    107            " FROM merchant_token_families"
    108            " WHERE (slug = $1)"
    109            "   AND merchant_serial="
    110            "   (SELECT merchant_serial"
    111            "      FROM merchant_instances"
    112            "     WHERE merchant_id=$10)");
    113   {
    114     struct GNUNET_PQ_QueryParam params[] = {
    115       GNUNET_PQ_query_param_string (token_family_slug),
    116       GNUNET_PQ_query_param_blind_sign_pub (pub->public_key),
    117       GNUNET_PQ_query_param_auto_from_type (&pub->public_key->pub_key_hash),
    118       GNUNET_PQ_query_param_blind_sign_priv (priv->private_key),
    119       GNUNET_PQ_query_param_timestamp (&now),
    120       GNUNET_PQ_query_param_timestamp (&key_expires),
    121       GNUNET_PQ_query_param_timestamp (&valid_after),
    122       GNUNET_PQ_query_param_timestamp (&valid_before),
    123       GNUNET_PQ_query_param_string (cipher),
    124       GNUNET_PQ_query_param_string (merchant_id),
    125       GNUNET_PQ_query_param_end
    126     };
    127     enum GNUNET_DB_QueryStatus qs;
    128 
    129     qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
    130                                              "token_family_key_insert",
    131                                              params);
    132     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
    133                 "Insert into MTFK %s with valid [%llu,%llu] got %d\n",
    134                 token_family_slug,
    135                 (unsigned long long) valid_after.abs_time.abs_value_us,
    136                 (unsigned long long) valid_before.abs_time.abs_value_us,
    137                 (int) qs);
    138     return qs;
    139   }
    140 }