aboutsummaryrefslogtreecommitdiff
path: root/src/backenddb/pg_lookup_token_family_key.c
blob: ec9e8096d1dbaa932987a3bea13f0964a6d07c7e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/*
   This file is part of TALER
   Copyright (C) 2024 Taler Systems SA

   TALER is free software; you can redistribute it and/or modify it under the
   terms of the GNU General Public License as published by the Free Software
   Foundation; either version 3, or (at your option) any later version.

   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

   You should have received a copy of the GNU General Public License along with
   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */
/**
 * @file backenddb/pg_lookup_token_family_key.c
 * @brief Implementation of the lookup_token_family_key function for Postgres
 * @author Christian Blättler
 */
#include "platform.h"
#include <gnunet/gnunet_pq_lib.h>
#include <gnunet/gnunet_time_lib.h>
#include <string.h>
#include <taler/taler_error_codes.h>
#include <taler/taler_dbevents.h>
#include <taler/taler_pq_lib.h>
#include "pg_lookup_token_family_key.h"
#include "pg_helper.h"

enum GNUNET_DB_QueryStatus
TMH_PG_lookup_token_family_key (void *cls,
                                const char *instance_id,
                                const char *token_family_slug,
                                struct GNUNET_TIME_Timestamp min_valid_after,
                                struct GNUNET_TIME_Timestamp max_valid_after,
                                struct TALER_MERCHANTDB_TokenFamilyKeyDetails *details)
{
  struct PostgresClosure *pg = cls;
  struct GNUNET_PQ_QueryParam params[] = {
    GNUNET_PQ_query_param_string (instance_id),
    GNUNET_PQ_query_param_string (token_family_slug),
    GNUNET_PQ_query_param_timestamp (&min_valid_after),
    GNUNET_PQ_query_param_timestamp (&max_valid_after),
    GNUNET_PQ_query_param_end
  };

  if (NULL == details)
  {
    struct GNUNET_PQ_ResultSpec rs_null[] = {
      GNUNET_PQ_result_spec_end
    };

    check_connection (pg);
    return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
                                                     "lookup_token_family_key",
                                                     params,
                                                     rs_null);
  }
  else
  {
    char *kind;
    struct GNUNET_CRYPTO_BlindSignPublicKey *pub;
    struct GNUNET_CRYPTO_BlindSignPrivateKey *priv;

    details->valid_after = GNUNET_TIME_UNIT_ZERO_TS;
    details->valid_before = GNUNET_TIME_UNIT_ZERO_TS;

    struct GNUNET_PQ_ResultSpec rs[] = {
      GNUNET_PQ_result_spec_allow_null (
        GNUNET_PQ_result_spec_blind_sign_pub ("pub",
                                               &pub),
          NULL),
      GNUNET_PQ_result_spec_allow_null (
        GNUNET_PQ_result_spec_blind_sign_priv ("priv",
                                               &priv),
          NULL),
      GNUNET_PQ_result_spec_allow_null (
        GNUNET_PQ_result_spec_timestamp ("key_valid_after",
                                         &details->valid_after),
          NULL),
      GNUNET_PQ_result_spec_allow_null (
        GNUNET_PQ_result_spec_timestamp ("key_valid_before",
                                         &details->valid_before),
          NULL),
      GNUNET_PQ_result_spec_string ("slug",
                                    &details->token_family.slug),
      GNUNET_PQ_result_spec_string ("name",
                                    &details->token_family.name),
      GNUNET_PQ_result_spec_string ("description",
                                    &details->token_family.description),
      TALER_PQ_result_spec_json ("description_i18n",
                                 &details->token_family.description_i18n),
      GNUNET_PQ_result_spec_timestamp ("valid_after",
                                       &details->token_family.valid_after),
      GNUNET_PQ_result_spec_timestamp ("valid_before",
                                       &details->token_family.valid_before),
      GNUNET_PQ_result_spec_relative_time ("duration",
                                           &details->token_family.duration),
      GNUNET_PQ_result_spec_string ("kind",
                                    &kind),
      GNUNET_PQ_result_spec_uint64 ("issued",
                                    &details->token_family.issued),
      GNUNET_PQ_result_spec_uint64 ("redeemed",
                                    &details->token_family.redeemed),
      GNUNET_PQ_result_spec_end
    };

    memset (details,
            0,
            sizeof (*details));

    check_connection (pg);
    PREPARE (pg,
             "lookup_token_family_key",
             "SELECT"
             " h_pub"
             ",pub"
             ",priv"
             ",cipher"
             ",merchant_token_family_keys.valid_after as key_valid_after"
             ",merchant_token_family_keys.valid_before as key_valid_before"
             ",slug"
             ",name"
             ",description"
             ",description_i18n"
             ",merchant_token_families.valid_after"
             ",merchant_token_families.valid_before"
             ",duration"
             ",kind"
             ",issued"
             ",redeemed"
             " FROM merchant_token_families"
             " LEFT JOIN merchant_token_family_keys"
             "   ON merchant_token_families.token_family_serial = merchant_token_family_keys.token_family_serial"
             "   AND merchant_token_family_keys.valid_after >= $3"
             "   AND merchant_token_family_keys.valid_after < $4"
             " JOIN merchant_instances"
             "   USING (merchant_serial)"
             " WHERE merchant_instances.merchant_id=$1"
             "   AND slug=$2"
             " LIMIT 1");
    enum GNUNET_DB_QueryStatus qs;
    qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
                                                   "lookup_token_family_key",
                                                   params,
                                                   rs);

    if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
    {
      if (0 == strcmp(kind, "discount"))
        details->token_family.kind = TALER_MERCHANTDB_TFK_Discount;
      else if (0 == strcmp(kind, "subscription"))
        details->token_family.kind = TALER_MERCHANTDB_TFK_Subscription;
      else
      {
        GNUNET_break (0);
        return GNUNET_DB_STATUS_HARD_ERROR;
      }

      if (NULL != pub)
      {
        details->pub.public_key = *pub;
        // GNUNET_CRYPTO_blind_sign_pub_decref(pub);
      }
      if (NULL != priv)
      {
        details->priv.private_key = *priv;
        // GNUNET_CRYPTO_blind_sign_priv_decref(priv);
      }
    }

    return qs;
  }
}