Line data Source code
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_lookup_token_family_key.c
18 : * @brief Implementation of the lookup_token_family_key function for Postgres
19 : * @author Christian Blättler
20 : */
21 : #include "platform.h"
22 : #include <gnunet/gnunet_pq_lib.h>
23 : #include <gnunet/gnunet_time_lib.h>
24 : #include <string.h>
25 : #include <taler/taler_error_codes.h>
26 : #include <taler/taler_dbevents.h>
27 : #include <taler/taler_pq_lib.h>
28 : #include "pg_lookup_token_family_key.h"
29 : #include "pg_helper.h"
30 :
31 :
32 : enum GNUNET_DB_QueryStatus
33 10 : TMH_PG_lookup_token_family_key (
34 : void *cls,
35 : const char *instance_id,
36 : const char *token_family_slug,
37 : struct GNUNET_TIME_Timestamp valid_at,
38 : struct GNUNET_TIME_Timestamp sign_until,
39 : struct TALER_MERCHANTDB_TokenFamilyKeyDetails *details)
40 : {
41 10 : struct PostgresClosure *pg = cls;
42 10 : struct GNUNET_PQ_QueryParam params[] = {
43 10 : GNUNET_PQ_query_param_string (instance_id),
44 10 : GNUNET_PQ_query_param_string (token_family_slug),
45 10 : GNUNET_PQ_query_param_timestamp (&valid_at),
46 10 : GNUNET_PQ_query_param_timestamp (&sign_until),
47 : GNUNET_PQ_query_param_end
48 : };
49 :
50 10 : check_connection (pg);
51 10 : PREPARE (pg,
52 : "lookup_token_family_key",
53 : "SELECT"
54 : " h_pub"
55 : ",pub"
56 : ",priv"
57 : ",cipher_choice"
58 : ",mtfk.signature_validity_start"
59 : ",mtfk.signature_validity_end"
60 : ",mtfk.private_key_deleted_at"
61 : ",slug"
62 : ",name"
63 : ",description"
64 : ",description_i18n::TEXT"
65 : ",mtf.valid_after"
66 : ",mtf.valid_before"
67 : ",duration"
68 : ",validity_granularity"
69 : ",start_offset"
70 : ",kind"
71 : ",issued"
72 : ",used"
73 : " FROM merchant_token_families mtf"
74 : " LEFT JOIN merchant_token_family_keys mtfk"
75 : " USING (token_family_serial)"
76 : " JOIN merchant_instances mi"
77 : " USING (merchant_serial)"
78 : " WHERE mi.merchant_id=$1"
79 : " AND slug=$2"
80 : " AND COALESCE ($3 >= mtfk.signature_validity_start, TRUE)"
81 : " AND COALESCE ($3 <= mtfk.signature_validity_end, TRUE)"
82 : " AND COALESCE ($4 <= mtfk.private_key_deleted_at, TRUE)"
83 : " ORDER BY mtfk.signature_validity_start ASC"
84 : " LIMIT 1");
85 :
86 10 : if (NULL == details)
87 : {
88 0 : struct GNUNET_PQ_ResultSpec rs_null[] = {
89 : GNUNET_PQ_result_spec_end
90 : };
91 :
92 0 : return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
93 : "lookup_token_family_key",
94 : params,
95 : rs_null);
96 : }
97 :
98 : {
99 : char *kind;
100 : enum GNUNET_DB_QueryStatus qs;
101 10 : struct GNUNET_PQ_ResultSpec rs[] = {
102 10 : GNUNET_PQ_result_spec_allow_null (
103 : GNUNET_PQ_result_spec_blind_sign_pub ("pub",
104 : &details->pub.public_key),
105 : NULL),
106 10 : GNUNET_PQ_result_spec_allow_null (
107 : GNUNET_PQ_result_spec_blind_sign_priv ("priv",
108 : &details->priv.private_key),
109 : NULL),
110 10 : GNUNET_PQ_result_spec_allow_null (
111 : GNUNET_PQ_result_spec_timestamp ("signature_validity_start",
112 : &details->signature_validity_start),
113 : NULL),
114 10 : GNUNET_PQ_result_spec_allow_null (
115 : GNUNET_PQ_result_spec_timestamp ("signature_validity_end",
116 : &details->signature_validity_end),
117 : NULL),
118 10 : GNUNET_PQ_result_spec_allow_null (
119 : GNUNET_PQ_result_spec_timestamp ("private_key_deleted_at",
120 : &details->private_key_deleted_at),
121 : NULL),
122 10 : GNUNET_PQ_result_spec_string ("slug",
123 : &details->token_family.slug),
124 10 : GNUNET_PQ_result_spec_string ("name",
125 : &details->token_family.name),
126 10 : GNUNET_PQ_result_spec_string ("cipher_choice",
127 : &details->token_family.cipher_spec),
128 10 : GNUNET_PQ_result_spec_string ("description",
129 : &details->token_family.description),
130 10 : TALER_PQ_result_spec_json ("description_i18n",
131 : &details->token_family.description_i18n),
132 10 : GNUNET_PQ_result_spec_timestamp ("valid_after",
133 : &details->token_family.valid_after),
134 10 : GNUNET_PQ_result_spec_timestamp ("valid_before",
135 : &details->token_family.valid_before),
136 10 : GNUNET_PQ_result_spec_relative_time ("duration",
137 : &details->token_family.duration),
138 10 : GNUNET_PQ_result_spec_relative_time ("validity_granularity",
139 : &details->token_family.
140 : validity_granularity),
141 10 : GNUNET_PQ_result_spec_relative_time ("start_offset",
142 : &details->token_family.start_offset),
143 10 : GNUNET_PQ_result_spec_string ("kind",
144 : &kind),
145 10 : GNUNET_PQ_result_spec_uint64 ("issued",
146 : &details->token_family.issued),
147 10 : GNUNET_PQ_result_spec_uint64 ("used",
148 : &details->token_family.used),
149 : GNUNET_PQ_result_spec_end
150 : };
151 :
152 10 : memset (details,
153 : 0,
154 : sizeof (*details));
155 10 : qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
156 : "lookup_token_family_key",
157 : params,
158 : rs);
159 10 : if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
160 : {
161 10 : if (0 == strcmp (kind,
162 : "discount"))
163 : {
164 0 : details->token_family.kind = TALER_MERCHANTDB_TFK_Discount;
165 : }
166 10 : else if (0 == strcmp (kind,
167 : "subscription"))
168 : {
169 10 : details->token_family.kind = TALER_MERCHANTDB_TFK_Subscription;
170 : }
171 : else
172 : {
173 0 : GNUNET_free (kind);
174 0 : GNUNET_free (details->token_family.slug);
175 0 : GNUNET_free (details->token_family.name);
176 0 : GNUNET_free (details->token_family.description);
177 0 : json_decref (details->token_family.description_i18n);
178 0 : GNUNET_CRYPTO_blind_sign_pub_decref (details->pub.public_key);
179 0 : GNUNET_CRYPTO_blind_sign_priv_decref (details->priv.private_key);
180 0 : GNUNET_free (details->token_family.cipher_spec);
181 0 : GNUNET_break (0);
182 0 : return GNUNET_DB_STATUS_HARD_ERROR;
183 : }
184 10 : GNUNET_free (kind);
185 : }
186 10 : return qs;
187 : }
188 : }
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