merchant

Merchant backend to process payments, run by merchants
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insert_token_family_key.c (4890B)


      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 src/backenddb/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_pq_lib.h>
     25 #include "merchant-database/insert_token_family_key.h"
     26 #include "helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TALER_MERCHANTDB_insert_token_family_key (
     31   struct TALER_MERCHANTDB_PostgresContext *pg,
     32   const char *merchant_id,
     33   const char *token_family_slug,
     34   const struct TALER_TokenIssuePublicKey *pub,
     35   const struct TALER_TokenIssuePrivateKey *priv,
     36   struct GNUNET_TIME_Timestamp key_expires,
     37   struct GNUNET_TIME_Timestamp valid_after,
     38   struct GNUNET_TIME_Timestamp valid_before)
     39 {
     40   struct GNUNET_TIME_Timestamp now
     41     = GNUNET_TIME_timestamp_get ();
     42   const char *cipher = NULL;
     43 
     44 #if DEBUG
     45   struct GNUNET_HashCode pub_hash;
     46 
     47   switch (pub->public_key->cipher)
     48   {
     49   case GNUNET_CRYPTO_BSA_RSA:
     50     cipher = "rsa";
     51     GNUNET_CRYPTO_rsa_public_key_hash (
     52       pub->public_key->details.rsa_public_key,
     53       &pub_hash);
     54     break;
     55   case GNUNET_CRYPTO_BSA_CS:
     56     cipher = "cs";
     57     GNUNET_CRYPTO_hash (
     58       &pub->public_key->details.cs_public_key,
     59       sizeof (pub->public_key->details.cs_public_key),
     60       &pub_hash);
     61     break;
     62   case GNUNET_CRYPTO_BSA_INVALID:
     63     GNUNET_break (0);
     64     return GNUNET_DB_STATUS_HARD_ERROR;
     65   }
     66   GNUNET_assert (0 ==
     67                  GNUNET_memcmp (&pub_hash,
     68                                 &pub->public_key->pub_key_hash));
     69 #endif
     70   switch (pub->public_key->cipher)
     71   {
     72   case GNUNET_CRYPTO_BSA_RSA:
     73     cipher = "rsa";
     74     break;
     75   case GNUNET_CRYPTO_BSA_CS:
     76     cipher = "cs";
     77     break;
     78   case GNUNET_CRYPTO_BSA_INVALID:
     79     GNUNET_break (0);
     80     return GNUNET_DB_STATUS_HARD_ERROR;
     81   }
     82   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
     83               "Storing token public key with hash %s\n",
     84               GNUNET_h2s (&pub->public_key->pub_key_hash));
     85   GNUNET_assert (pub->public_key->cipher ==
     86                  priv->private_key->cipher);
     87   GNUNET_assert (! GNUNET_TIME_absolute_is_zero (
     88                    valid_after.abs_time));
     89   GNUNET_assert (! GNUNET_TIME_absolute_is_zero (
     90                    valid_before.abs_time));
     91   GNUNET_assert (NULL != pg->current_merchant_id);
     92   GNUNET_assert (0 == strcmp (merchant_id,
     93                               pg->current_merchant_id));
     94   TMH_PQ_prepare_anon (pg,
     95                        "INSERT INTO merchant_token_family_keys "
     96                        "(token_family_serial"
     97                        ",pub"
     98                        ",h_pub"
     99                        ",priv"
    100                        ",private_key_created_at"
    101                        ",private_key_deleted_at"
    102                        ",signature_validity_start"
    103                        ",signature_validity_end"
    104                        ",cipher)"
    105                        " SELECT token_family_serial, $2, $3, $4, $5, $6, $7, $8, $9"
    106                        " FROM merchant_token_families"
    107                        " WHERE (slug = $1)");
    108   {
    109     struct GNUNET_PQ_QueryParam params[] = {
    110       GNUNET_PQ_query_param_string (token_family_slug),
    111       GNUNET_PQ_query_param_blind_sign_pub (pub->public_key),
    112       GNUNET_PQ_query_param_auto_from_type (&pub->public_key->pub_key_hash),
    113       GNUNET_PQ_query_param_blind_sign_priv (priv->private_key),
    114       GNUNET_PQ_query_param_timestamp (&now),
    115       GNUNET_PQ_query_param_timestamp (&key_expires),
    116       GNUNET_PQ_query_param_timestamp (&valid_after),
    117       GNUNET_PQ_query_param_timestamp (&valid_before),
    118       GNUNET_PQ_query_param_string (cipher),
    119       GNUNET_PQ_query_param_end
    120     };
    121     enum GNUNET_DB_QueryStatus qs;
    122 
    123     qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
    124                                              "",
    125                                              params);
    126     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
    127                 "Insert into MTFK %s with valid [%llu,%llu] got %d\n",
    128                 token_family_slug,
    129                 (unsigned long long) valid_after.abs_time.abs_value_us,
    130                 (unsigned long long) valid_before.abs_time.abs_value_us,
    131                 (int) qs);
    132     return qs;
    133   }
    134 }