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
6 : under the terms of the GNU General Public License as published by
7 : the Free Software Foundation; either version 3, or (at your
8 : option) any later version.
9 :
10 : TALER is distributed in the hope that it will be useful, but
11 : WITHOUT ANY WARRANTY; without even the implied warranty of
12 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 : General Public License for more details.
14 :
15 : You should have received a copy of the GNU General Public
16 : License along with TALER; see the file COPYING. If not, see
17 : <http://www.gnu.org/licenses/>
18 : */
19 : /**
20 : * @file testing/testing_api_cmd_bank_admin_add_kycauth.c
21 : * @brief implementation of a bank /admin/add-kycauth command
22 : * @author Christian Grothoff
23 : * @author Marcello Stanisci
24 : */
25 : #include "platform.h"
26 : #include "backoff.h"
27 : #include "taler_json_lib.h"
28 : #include <gnunet/gnunet_curl_lib.h>
29 : #include "taler_bank_service.h"
30 : #include "taler_signatures.h"
31 : #include "taler_testing_lib.h"
32 :
33 :
34 : /**
35 : * State for a KYCAUTH wire transfer CMD.
36 : */
37 : struct AdminAddKycauthState
38 : {
39 :
40 : /**
41 : * Label of any command that can trait-offer an account priv.
42 : */
43 : const char *account_ref;
44 :
45 : /**
46 : * Wire transfer amount.
47 : */
48 : struct TALER_Amount amount;
49 :
50 : /**
51 : * Base URL of the credited account.
52 : */
53 : const char *exchange_credit_url;
54 :
55 : /**
56 : * Money sender payto URL.
57 : */
58 : struct TALER_FullPayto payto_debit_account;
59 :
60 : /**
61 : * Username to use for authentication.
62 : */
63 : struct TALER_BANK_AuthenticationData auth;
64 :
65 : /**
66 : * Set (by the interpreter) to the account's private key
67 : * we used to make a wire transfer subject line with.
68 : */
69 : union TALER_AccountPrivateKeyP account_priv;
70 :
71 : /**
72 : * Account public key matching @e account_priv.
73 : */
74 : union TALER_AccountPublicKeyP account_pub;
75 :
76 : /**
77 : * Handle to the pending request at the bank.
78 : */
79 : struct TALER_BANK_AdminAddKycauthHandle *aih;
80 :
81 : /**
82 : * Interpreter state.
83 : */
84 : struct TALER_TESTING_Interpreter *is;
85 :
86 : /**
87 : * Set to the wire transfer's unique ID.
88 : */
89 : uint64_t serial_id;
90 :
91 : /**
92 : * Timestamp of the transaction (as returned from the bank).
93 : */
94 : struct GNUNET_TIME_Timestamp timestamp;
95 :
96 : /**
97 : * Expected HTTP status code.
98 : */
99 : unsigned int expected_http_status;
100 :
101 : /**
102 : * Do we have @e account_priv?
103 : */
104 : bool have_priv;
105 : };
106 :
107 :
108 : /**
109 : * This callback will process the bank response to the wire
110 : * transfer. It just checks whether the HTTP response code is
111 : * acceptable.
112 : *
113 : * @param cls closure with the interpreter state
114 : * @param air response details
115 : */
116 : static void
117 16 : confirmation_cb (void *cls,
118 : const struct TALER_BANK_AdminAddKycauthResponse *air)
119 : {
120 16 : struct AdminAddKycauthState *fts = cls;
121 16 : struct TALER_TESTING_Interpreter *is = fts->is;
122 :
123 16 : fts->aih = NULL;
124 16 : if (air->http_status != fts->expected_http_status)
125 : {
126 0 : TALER_TESTING_unexpected_status (is,
127 : air->http_status,
128 : fts->expected_http_status);
129 0 : return;
130 : }
131 16 : switch (air->http_status)
132 : {
133 16 : case MHD_HTTP_OK:
134 : fts->serial_id
135 16 : = air->details.ok.serial_id;
136 : fts->timestamp
137 16 : = air->details.ok.timestamp;
138 16 : TALER_TESTING_interpreter_next (is);
139 16 : return;
140 0 : case MHD_HTTP_UNAUTHORIZED:
141 0 : switch (fts->auth.method)
142 : {
143 0 : case TALER_BANK_AUTH_NONE:
144 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
145 : "Authentication required, but none configure.\n");
146 0 : break;
147 0 : case TALER_BANK_AUTH_BASIC:
148 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
149 : "Basic authentication (%s) failed.\n",
150 : fts->auth.details.basic.username);
151 0 : break;
152 0 : case TALER_BANK_AUTH_BEARER:
153 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
154 : "Bearer authentication (%s) failed.\n",
155 : fts->auth.details.bearer.token);
156 0 : break;
157 : }
158 0 : break;
159 0 : case MHD_HTTP_CONFLICT:
160 0 : TALER_TESTING_interpreter_next (is);
161 0 : return;
162 0 : default:
163 0 : GNUNET_break (0);
164 0 : break;
165 : }
166 0 : GNUNET_break (0);
167 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
168 : "Bank returned HTTP status %u/%d\n",
169 : air->http_status,
170 : (int) air->ec);
171 0 : TALER_TESTING_interpreter_fail (is);
172 : }
173 :
174 :
175 : /**
176 : * Run the KYC AUTH transfer CMD.
177 : *
178 : * @param cls closure.
179 : * @param cmd CMD being run.
180 : * @param is interpreter state.
181 : */
182 : static void
183 16 : admin_add_kycauth_run (void *cls,
184 : const struct TALER_TESTING_Command *cmd,
185 : struct TALER_TESTING_Interpreter *is)
186 : {
187 16 : struct AdminAddKycauthState *fts = cls;
188 :
189 : (void) cmd;
190 16 : fts->is = is;
191 : /* Use account public key as subject */
192 16 : if (NULL != fts->account_ref)
193 : {
194 : const struct TALER_TESTING_Command *ref;
195 : const union TALER_AccountPrivateKeyP *account_priv;
196 :
197 10 : ref = TALER_TESTING_interpreter_lookup_command (
198 : is,
199 : fts->account_ref);
200 10 : if (NULL == ref)
201 : {
202 0 : GNUNET_break (0);
203 0 : TALER_TESTING_interpreter_fail (is);
204 0 : return;
205 : }
206 10 : if (GNUNET_OK !=
207 10 : TALER_TESTING_get_trait_account_priv (ref,
208 : &account_priv))
209 : {
210 : const union TALER_AccountPublicKeyP *account_pub;
211 :
212 0 : if (GNUNET_OK !=
213 0 : TALER_TESTING_get_trait_account_pub (ref,
214 : &account_pub))
215 : {
216 0 : GNUNET_break (0);
217 0 : TALER_TESTING_interpreter_fail (is);
218 0 : return;
219 : }
220 0 : fts->account_pub = *account_pub;
221 : }
222 : else
223 : {
224 10 : fts->account_priv = *account_priv;
225 10 : fts->have_priv = true;
226 10 : GNUNET_CRYPTO_eddsa_key_get_public (
227 10 : &fts->account_priv.merchant_priv.eddsa_priv,
228 : &fts->account_pub.merchant_pub.eddsa_pub);
229 : }
230 : }
231 : else
232 : {
233 : /* No referenced account, no instance to take priv
234 : * from, no explicit subject given: create new key! */
235 6 : GNUNET_CRYPTO_eddsa_key_create (
236 : &fts->account_priv.merchant_priv.eddsa_priv);
237 6 : fts->have_priv = true;
238 6 : GNUNET_CRYPTO_eddsa_key_get_public (
239 6 : &fts->account_priv.merchant_priv.eddsa_priv,
240 : &fts->account_pub.merchant_pub.eddsa_pub);
241 : }
242 : fts->aih
243 16 : = TALER_BANK_admin_add_kycauth (
244 : TALER_TESTING_interpreter_get_context (is),
245 16 : &fts->auth,
246 16 : &fts->account_pub,
247 16 : &fts->amount,
248 : fts->payto_debit_account,
249 : &confirmation_cb,
250 : fts);
251 16 : if (NULL == fts->aih)
252 : {
253 0 : GNUNET_break (0);
254 0 : TALER_TESTING_interpreter_fail (is);
255 0 : return;
256 : }
257 : }
258 :
259 :
260 : /**
261 : * Free the state of a "/admin/add-kycauth" CMD, and possibly
262 : * cancel a pending operation thereof.
263 : *
264 : * @param cls closure
265 : * @param cmd current CMD being cleaned up.
266 : */
267 : static void
268 16 : admin_add_kycauth_cleanup (void *cls,
269 : const struct TALER_TESTING_Command *cmd)
270 : {
271 16 : struct AdminAddKycauthState *fts = cls;
272 :
273 16 : if (NULL != fts->aih)
274 : {
275 0 : TALER_TESTING_command_incomplete (fts->is,
276 : cmd->label);
277 0 : TALER_BANK_admin_add_kycauth_cancel (fts->aih);
278 0 : fts->aih = NULL;
279 : }
280 16 : GNUNET_free (fts);
281 16 : }
282 :
283 :
284 : /**
285 : * Offer internal data from a "/admin/add-kycauth" CMD to other
286 : * commands.
287 : *
288 : * @param cls closure.
289 : * @param[out] ret result
290 : * @param trait name of the trait.
291 : * @param index index number of the object to offer.
292 : * @return #GNUNET_OK on success.
293 : */
294 : static enum GNUNET_GenericReturnValue
295 33 : admin_add_kycauth_traits (void *cls,
296 : const void **ret,
297 : const char *trait,
298 : unsigned int index)
299 : {
300 33 : struct AdminAddKycauthState *fts = cls;
301 : static struct TALER_FullPayto void_uri = {
302 : .full_payto = (char *) "payto://void/the-exchange?receiver=name=exchange"
303 : };
304 : struct TALER_TESTING_Trait traits[] = {
305 : /* must be first! */
306 33 : TALER_TESTING_make_trait_account_priv (&fts->account_priv),
307 33 : TALER_TESTING_make_trait_bank_row (&fts->serial_id),
308 33 : TALER_TESTING_make_trait_debit_payto_uri (&fts->payto_debit_account),
309 33 : TALER_TESTING_make_trait_full_payto_uri (&fts->payto_debit_account),
310 : /* Used as a marker, content does not matter */
311 33 : TALER_TESTING_make_trait_credit_payto_uri (&void_uri),
312 33 : TALER_TESTING_make_trait_exchange_bank_account_url (
313 : fts->exchange_credit_url),
314 33 : TALER_TESTING_make_trait_amount (&fts->amount),
315 33 : TALER_TESTING_make_trait_timestamp (0,
316 33 : &fts->timestamp),
317 33 : TALER_TESTING_make_trait_account_pub (&fts->account_pub),
318 33 : TALER_TESTING_trait_end ()
319 : };
320 :
321 33 : if (MHD_HTTP_OK !=
322 33 : fts->expected_http_status)
323 0 : return GNUNET_NO; /* requests that failed generate no history */
324 :
325 33 : return TALER_TESTING_get_trait (traits + (fts->have_priv ? 0 : 1),
326 : ret,
327 : trait,
328 : index);
329 : }
330 :
331 :
332 : /**
333 : * Create internal state for "/admin/add-kycauth" CMD.
334 : *
335 : * @param amount the amount to transfer.
336 : * @param payto_debit_account which account sends money
337 : * @param auth authentication data
338 : * @param account_ref reference to command with account
339 : * private key to use; NULL to create a fresh key pair
340 : * @return the internal state
341 : */
342 : static struct AdminAddKycauthState *
343 16 : make_fts (const char *amount,
344 : const struct TALER_BANK_AuthenticationData *auth,
345 : const struct TALER_FullPayto payto_debit_account,
346 : const char *account_ref)
347 : {
348 : struct AdminAddKycauthState *fts;
349 :
350 16 : fts = GNUNET_new (struct AdminAddKycauthState);
351 16 : fts->exchange_credit_url = auth->wire_gateway_url;
352 16 : fts->payto_debit_account = payto_debit_account;
353 16 : fts->account_ref = account_ref;
354 16 : fts->auth = *auth;
355 16 : fts->expected_http_status = MHD_HTTP_OK;
356 16 : if (GNUNET_OK !=
357 16 : TALER_string_to_amount (amount,
358 : &fts->amount))
359 : {
360 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
361 : "Failed to parse amount `%s'\n",
362 : amount);
363 0 : GNUNET_assert (0);
364 : }
365 16 : return fts;
366 : }
367 :
368 :
369 : struct TALER_TESTING_Command
370 16 : TALER_TESTING_cmd_admin_add_kycauth (
371 : const char *label,
372 : const char *amount,
373 : const struct TALER_BANK_AuthenticationData *auth,
374 : const struct TALER_FullPayto payto_debit_account,
375 : const char *account_ref)
376 : {
377 32 : struct TALER_TESTING_Command cmd = {
378 16 : .cls = make_fts (amount,
379 : auth,
380 : payto_debit_account,
381 : account_ref),
382 : .label = label,
383 : .run = &admin_add_kycauth_run,
384 : .cleanup = &admin_add_kycauth_cleanup,
385 : .traits = &admin_add_kycauth_traits
386 : };
387 :
388 16 : return cmd;
389 : }
390 :
391 :
392 : /* end of testing_api_cmd_bank_admin_add_kycauth.c */
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