Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2022--2025 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_instances.c
18 : * @brief Implementation of the lookup_instances function for Postgres
19 : * @author Christian Grothoff
20 : */
21 : #include "platform.h"
22 : #include <taler/taler_error_codes.h>
23 : #include <taler/taler_pq_lib.h>
24 : #include "pg_lookup_instances.h"
25 : #include "pg_helper.h"
26 :
27 :
28 : /**
29 : * Context for lookup_instances().
30 : */
31 : struct LookupInstancesContext
32 : {
33 : /**
34 : * Function to call with the results.
35 : */
36 : TALER_MERCHANTDB_InstanceCallback cb;
37 :
38 : /**
39 : * Closure for @e cb.
40 : */
41 : void *cb_cls;
42 :
43 : /**
44 : * Database context.
45 : */
46 : struct PostgresClosure *pg;
47 :
48 : /**
49 : * Set to the return value on errors.
50 : */
51 : enum GNUNET_DB_QueryStatus qs;
52 :
53 : };
54 :
55 :
56 : /**
57 : * Function to be called with the results of a SELECT statement
58 : * that has returned @a num_results results about instances.
59 : *
60 : * @param cls of type `struct FindInstancesContext *`
61 : * @param result the postgres result
62 : * @param num_results the number of results in @a result
63 : */
64 : static void
65 98 : lookup_instances_cb (void *cls,
66 : PGresult *result,
67 : unsigned int num_results)
68 : {
69 98 : struct LookupInstancesContext *lic = cls;
70 :
71 169 : for (unsigned int i = 0; i < num_results; i++)
72 : {
73 : struct TALER_MERCHANTDB_InstanceSettings is;
74 : struct TALER_MERCHANTDB_InstanceAuthSettings ias;
75 : uint64_t instance_serial;
76 : struct TALER_MerchantPublicKeyP merchant_pub;
77 : struct TALER_MerchantPrivateKeyP merchant_priv;
78 : bool no_auth;
79 : bool no_salt;
80 : bool no_priv;
81 : char *dwtri;
82 71 : struct GNUNET_PQ_ResultSpec rs[] = {
83 71 : GNUNET_PQ_result_spec_uint64 ("merchant_serial",
84 : &instance_serial),
85 71 : GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
86 : &merchant_pub),
87 71 : GNUNET_PQ_result_spec_allow_null (
88 : GNUNET_PQ_result_spec_auto_from_type ("auth_hash",
89 : &ias.auth_hash),
90 : &no_auth),
91 71 : GNUNET_PQ_result_spec_allow_null (
92 : GNUNET_PQ_result_spec_auto_from_type ("auth_salt",
93 : &ias.auth_salt),
94 : &no_salt),
95 71 : GNUNET_PQ_result_spec_allow_null (
96 : GNUNET_PQ_result_spec_auto_from_type ("merchant_priv",
97 : &merchant_priv),
98 : &no_priv),
99 71 : GNUNET_PQ_result_spec_string ("merchant_id",
100 : &is.id),
101 71 : GNUNET_PQ_result_spec_string ("merchant_name",
102 : &is.name),
103 71 : TALER_PQ_result_spec_json ("address",
104 : &is.address),
105 71 : TALER_PQ_result_spec_json ("jurisdiction",
106 : &is.jurisdiction),
107 71 : GNUNET_PQ_result_spec_bool ("use_stefan",
108 : &is.use_stefan),
109 71 : GNUNET_PQ_result_spec_bool ("phone_validated",
110 : &is.phone_validated),
111 71 : GNUNET_PQ_result_spec_bool ("email_validated",
112 : &is.email_validated),
113 71 : GNUNET_PQ_result_spec_relative_time (
114 : "default_wire_transfer_delay",
115 : &is.default_wire_transfer_delay),
116 71 : GNUNET_PQ_result_spec_relative_time ("default_pay_delay",
117 : &is.default_pay_delay),
118 71 : GNUNET_PQ_result_spec_relative_time ("default_refund_delay",
119 : &is.default_refund_delay),
120 71 : GNUNET_PQ_result_spec_allow_null (
121 : GNUNET_PQ_result_spec_string ("website",
122 : &is.website),
123 : NULL),
124 71 : GNUNET_PQ_result_spec_allow_null (
125 : GNUNET_PQ_result_spec_string ("email",
126 : &is.email),
127 : NULL),
128 71 : GNUNET_PQ_result_spec_allow_null (
129 : GNUNET_PQ_result_spec_string ("phone_number",
130 : &is.phone),
131 : NULL),
132 71 : GNUNET_PQ_result_spec_allow_null (
133 : GNUNET_PQ_result_spec_string ("logo",
134 : &is.logo),
135 : NULL),
136 71 : GNUNET_PQ_result_spec_string (
137 : "default_wire_transfer_rounding_interval",
138 : &dwtri),
139 : GNUNET_PQ_result_spec_end
140 : };
141 :
142 71 : memset (&ias.auth_salt,
143 : 0,
144 : sizeof (ias.auth_salt));
145 71 : memset (&ias.auth_hash,
146 : 0,
147 : sizeof (ias.auth_hash));
148 71 : if (GNUNET_OK !=
149 71 : GNUNET_PQ_extract_result (result,
150 : rs,
151 : i))
152 : {
153 0 : GNUNET_break (0);
154 0 : lic->qs = GNUNET_DB_STATUS_HARD_ERROR;
155 0 : return;
156 : }
157 71 : if (GNUNET_OK !=
158 71 : GNUNET_TIME_string_to_round_interval (
159 : dwtri,
160 : &is.default_wire_transfer_rounding_interval))
161 : {
162 0 : GNUNET_break (0);
163 0 : lic->qs = GNUNET_DB_STATUS_HARD_ERROR;
164 0 : return;
165 : }
166 71 : lic->cb (lic->cb_cls,
167 : &merchant_pub,
168 : (no_priv) ? NULL : &merchant_priv,
169 : &is,
170 : &ias);
171 71 : GNUNET_PQ_cleanup_result (rs);
172 : }
173 : }
174 :
175 :
176 : enum GNUNET_DB_QueryStatus
177 15 : TMH_PG_lookup_instances (void *cls,
178 : bool active_only,
179 : TALER_MERCHANTDB_InstanceCallback cb,
180 : void *cb_cls)
181 : {
182 15 : struct PostgresClosure *pg = cls;
183 15 : struct LookupInstancesContext lic = {
184 : .cb = cb,
185 : .cb_cls = cb_cls,
186 : .pg = pg
187 : };
188 15 : struct GNUNET_PQ_QueryParam params[] = {
189 : GNUNET_PQ_query_param_end
190 : };
191 : enum GNUNET_DB_QueryStatus qs;
192 :
193 15 : check_connection (pg);
194 15 : PREPARE (pg,
195 : "lookup_instances",
196 : "SELECT"
197 : " mi.merchant_serial"
198 : ",mi.merchant_pub"
199 : ",mi.auth_hash"
200 : ",mi.auth_salt"
201 : ",mi.merchant_id"
202 : ",mi.merchant_name"
203 : ",mi.address::TEXT"
204 : ",mi.jurisdiction::TEXT"
205 : ",mi.use_stefan"
206 : ",mi.default_wire_transfer_delay"
207 : ",mi.default_pay_delay"
208 : ",mi.default_refund_delay"
209 : ",mi.website"
210 : ",mi.email"
211 : ",mi.phone_number"
212 : ",mi.phone_validated"
213 : ",mi.email_validated"
214 : ",mi.logo"
215 : ",mi.default_wire_transfer_rounding_interval::TEXT"
216 : ",mk.merchant_priv"
217 : " FROM merchant_instances mi"
218 : " LEFT JOIN merchant_keys mk"
219 : " USING (merchant_serial)");
220 15 : PREPARE (pg,
221 : "lookup_active_instances",
222 : "SELECT "
223 : " mi.merchant_serial"
224 : ",mi.merchant_pub"
225 : ",mi.auth_hash"
226 : ",mi.auth_salt"
227 : ",mi.merchant_id"
228 : ",mi.merchant_name"
229 : ",mi.address::TEXT"
230 : ",mi.jurisdiction::TEXT"
231 : ",mi.use_stefan"
232 : ",mi.default_wire_transfer_delay"
233 : ",mi.default_pay_delay"
234 : ",mi.default_refund_delay"
235 : ",mi.website"
236 : ",mi.email"
237 : ",mi.phone_number"
238 : ",mi.phone_validated"
239 : ",mi.email_validated"
240 : ",mi.logo"
241 : ",mi.default_wire_transfer_rounding_interval::TEXT"
242 : ",mk.merchant_priv"
243 : " FROM merchant_instances mi"
244 : " JOIN merchant_keys mk"
245 : " USING (merchant_serial)");
246 15 : qs = GNUNET_PQ_eval_prepared_multi_select (
247 : pg->conn,
248 : active_only
249 : ? "lookup_active_instances"
250 : : "lookup_instances",
251 : params,
252 : &lookup_instances_cb,
253 : &lic);
254 15 : if (0 > lic.qs)
255 0 : return lic.qs;
256 15 : return qs;
257 : }
258 :
259 :
260 : enum GNUNET_DB_QueryStatus
261 83 : TMH_PG_lookup_instance (void *cls,
262 : const char *id,
263 : bool active_only,
264 : TALER_MERCHANTDB_InstanceCallback cb,
265 : void *cb_cls)
266 : {
267 83 : struct PostgresClosure *pg = cls;
268 83 : struct LookupInstancesContext lic = {
269 : .cb = cb,
270 : .cb_cls = cb_cls,
271 : .pg = pg
272 : };
273 83 : struct GNUNET_PQ_QueryParam params[] = {
274 83 : GNUNET_PQ_query_param_string (id),
275 : GNUNET_PQ_query_param_end
276 : };
277 : enum GNUNET_DB_QueryStatus qs;
278 :
279 83 : check_connection (pg);
280 83 : PREPARE (pg,
281 : "lookup_instance",
282 : "SELECT"
283 : " mi.merchant_serial"
284 : ",mi.merchant_pub"
285 : ",mi.auth_hash"
286 : ",mi.auth_salt"
287 : ",mi.merchant_id"
288 : ",mi.merchant_name"
289 : ",mi.address::TEXT"
290 : ",mi.jurisdiction::TEXT"
291 : ",mi.use_stefan"
292 : ",mi.default_wire_transfer_delay"
293 : ",mi.default_pay_delay"
294 : ",mi.default_refund_delay"
295 : ",mi.website"
296 : ",mi.email"
297 : ",mi.phone_number"
298 : ",mi.phone_validated"
299 : ",mi.email_validated"
300 : ",mi.logo"
301 : ",mi.default_wire_transfer_rounding_interval::TEXT"
302 : ",mk.merchant_priv"
303 : " FROM merchant_instances mi"
304 : " LEFT JOIN merchant_keys mk"
305 : " USING (merchant_serial)"
306 : " WHERE merchant_id=$1");
307 83 : PREPARE (pg,
308 : "lookup_active_instance",
309 : "SELECT"
310 : " mi.merchant_serial"
311 : ",mi.merchant_pub"
312 : ",mi.auth_hash"
313 : ",mi.auth_salt"
314 : ",mi.merchant_id"
315 : ",mi.merchant_name"
316 : ",mi.address::TEXT"
317 : ",mi.jurisdiction::TEXT"
318 : ",mi.use_stefan"
319 : ",mi.default_wire_transfer_delay"
320 : ",mi.default_pay_delay"
321 : ",mi.default_refund_delay"
322 : ",mi.website"
323 : ",mi.email"
324 : ",mi.phone_number"
325 : ",mi.phone_validated"
326 : ",mi.email_validated"
327 : ",mi.logo"
328 : ",mi.default_wire_transfer_rounding_interval::TEXT"
329 : ",mk.merchant_priv"
330 : " FROM merchant_instances mi"
331 : " JOIN merchant_keys mk"
332 : " USING (merchant_serial)"
333 : " WHERE merchant_id=$1");
334 83 : qs = GNUNET_PQ_eval_prepared_multi_select (
335 : pg->conn,
336 : active_only
337 : ? "lookup_active_instance"
338 : : "lookup_instance",
339 : params,
340 : &lookup_instances_cb,
341 : &lic);
342 83 : if (0 > lic.qs)
343 0 : return lic.qs;
344 83 : return qs;
345 : }
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