Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2023-2026 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
15 : <http://www.gnu.org/licenses/>
16 : */
17 : /**
18 : * @file lib/exchange_api_post-management-aml-officers.c
19 : * @brief functions to update AML officer status via POST /management/aml-officers
20 : * @author Christian Grothoff
21 : */
22 : #include "taler/taler_json_lib.h"
23 : #include <gnunet/gnunet_curl_lib.h>
24 : #include <microhttpd.h>
25 : #include "taler/exchange/post-management-aml-officers.h"
26 : #include "exchange_api_curl_defaults.h"
27 : #include "taler/taler_curl_lib.h"
28 :
29 :
30 : /**
31 : * Handle for a POST /management/aml-officers request.
32 : */
33 : struct TALER_EXCHANGE_PostManagementAmlOfficersHandle
34 : {
35 :
36 : /**
37 : * The base URL for this request.
38 : */
39 : char *base_url;
40 :
41 : /**
42 : * The full URL for this request, set during _start.
43 : */
44 : char *url;
45 :
46 : /**
47 : * Minor context that holds body and headers.
48 : */
49 : struct TALER_CURL_PostContext post_ctx;
50 :
51 : /**
52 : * Handle for the request.
53 : */
54 : struct GNUNET_CURL_Job *job;
55 :
56 : /**
57 : * Function to call with the result.
58 : */
59 : TALER_EXCHANGE_PostManagementAmlOfficersCallback cb;
60 :
61 : /**
62 : * Closure for @a cb.
63 : */
64 : TALER_EXCHANGE_POST_MANAGEMENT_AML_OFFICERS_RESULT_CLOSURE *cb_cls;
65 :
66 : /**
67 : * Reference to the execution context.
68 : */
69 : struct GNUNET_CURL_Context *ctx;
70 :
71 : /**
72 : * Public key of the officer.
73 : */
74 : struct TALER_AmlOfficerPublicKeyP officer_pub;
75 :
76 : /**
77 : * Name of the officer.
78 : */
79 : char *officer_name;
80 :
81 : /**
82 : * When to affect the status change.
83 : */
84 : struct GNUNET_TIME_Timestamp change_date;
85 :
86 : /**
87 : * Is the officer active?
88 : */
89 : bool is_active;
90 :
91 : /**
92 : * Is the officer read-only?
93 : */
94 : bool read_only;
95 :
96 : /**
97 : * Master signature affirming the change.
98 : */
99 : struct TALER_MasterSignatureP master_sig;
100 :
101 : };
102 :
103 :
104 : /**
105 : * Function called when we're done processing the
106 : * HTTP POST /management/aml-officers request.
107 : *
108 : * @param cls the `struct TALER_EXCHANGE_PostManagementAmlOfficersHandle`
109 : * @param response_code HTTP response code, 0 on error
110 : * @param response response body, NULL if not in JSON
111 : */
112 : static void
113 4 : handle_post_aml_officer_finished (void *cls,
114 : long response_code,
115 : const void *response)
116 : {
117 4 : struct TALER_EXCHANGE_PostManagementAmlOfficersHandle *pmaoh = cls;
118 4 : const json_t *json = response;
119 4 : struct TALER_EXCHANGE_PostManagementAmlOfficersResponse res = {
120 4 : .hr.http_status = (unsigned int) response_code,
121 : .hr.reply = json
122 : };
123 :
124 4 : pmaoh->job = NULL;
125 4 : switch (response_code)
126 : {
127 0 : case 0:
128 : /* no reply */
129 0 : res.hr.ec = TALER_EC_GENERIC_INVALID_RESPONSE;
130 0 : res.hr.hint = "server offline?";
131 0 : break;
132 4 : case MHD_HTTP_NO_CONTENT:
133 4 : break;
134 0 : case MHD_HTTP_FORBIDDEN:
135 0 : res.hr.ec = TALER_JSON_get_error_code (json);
136 0 : res.hr.hint = TALER_JSON_get_error_hint (json);
137 0 : break;
138 0 : case MHD_HTTP_CONFLICT:
139 0 : res.hr.ec = TALER_JSON_get_error_code (json);
140 0 : res.hr.hint = TALER_JSON_get_error_hint (json);
141 0 : break;
142 0 : default:
143 : /* unexpected response code */
144 0 : GNUNET_break_op (0);
145 0 : res.hr.ec = TALER_JSON_get_error_code (json);
146 0 : res.hr.hint = TALER_JSON_get_error_hint (json);
147 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
148 : "Unexpected response code %u/%d for exchange POST management AML officer\n",
149 : (unsigned int) response_code,
150 : (int) res.hr.ec);
151 0 : break;
152 : }
153 4 : if (NULL != pmaoh->cb)
154 : {
155 4 : pmaoh->cb (pmaoh->cb_cls,
156 : &res);
157 4 : pmaoh->cb = NULL;
158 : }
159 4 : TALER_EXCHANGE_post_management_aml_officers_cancel (pmaoh);
160 4 : }
161 :
162 :
163 : struct TALER_EXCHANGE_PostManagementAmlOfficersHandle *
164 4 : TALER_EXCHANGE_post_management_aml_officers_create (
165 : struct GNUNET_CURL_Context *ctx,
166 : const char *url,
167 : const struct TALER_AmlOfficerPublicKeyP *officer_pub,
168 : const char *officer_name,
169 : struct GNUNET_TIME_Timestamp change_date,
170 : bool is_active,
171 : bool read_only,
172 : const struct TALER_MasterSignatureP *master_sig)
173 : {
174 : struct TALER_EXCHANGE_PostManagementAmlOfficersHandle *pmaoh;
175 :
176 4 : pmaoh = GNUNET_new (struct TALER_EXCHANGE_PostManagementAmlOfficersHandle);
177 4 : pmaoh->ctx = ctx;
178 4 : pmaoh->base_url = GNUNET_strdup (url);
179 4 : pmaoh->officer_pub = *officer_pub;
180 4 : pmaoh->officer_name = GNUNET_strdup (officer_name);
181 4 : pmaoh->change_date = change_date;
182 4 : pmaoh->is_active = is_active;
183 4 : pmaoh->read_only = read_only;
184 4 : pmaoh->master_sig = *master_sig;
185 4 : return pmaoh;
186 : }
187 :
188 :
189 : enum TALER_ErrorCode
190 4 : TALER_EXCHANGE_post_management_aml_officers_start (
191 : struct TALER_EXCHANGE_PostManagementAmlOfficersHandle *pmaoh,
192 : TALER_EXCHANGE_PostManagementAmlOfficersCallback cb,
193 : TALER_EXCHANGE_POST_MANAGEMENT_AML_OFFICERS_RESULT_CLOSURE *cb_cls)
194 : {
195 : CURL *eh;
196 : json_t *body;
197 :
198 4 : pmaoh->cb = cb;
199 4 : pmaoh->cb_cls = cb_cls;
200 4 : pmaoh->url = TALER_url_join (pmaoh->base_url,
201 : "management/aml-officers",
202 : NULL);
203 4 : if (NULL == pmaoh->url)
204 : {
205 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
206 : "Could not construct request URL.\n");
207 0 : return TALER_EC_GENERIC_CONFIGURATION_INVALID;
208 : }
209 4 : body = GNUNET_JSON_PACK (
210 : GNUNET_JSON_pack_string ("officer_name",
211 : pmaoh->officer_name),
212 : GNUNET_JSON_pack_data_auto ("officer_pub",
213 : &pmaoh->officer_pub),
214 : GNUNET_JSON_pack_data_auto ("master_sig",
215 : &pmaoh->master_sig),
216 : GNUNET_JSON_pack_bool ("is_active",
217 : pmaoh->is_active),
218 : GNUNET_JSON_pack_bool ("read_only",
219 : pmaoh->read_only),
220 : GNUNET_JSON_pack_timestamp ("change_date",
221 : pmaoh->change_date));
222 4 : eh = TALER_EXCHANGE_curl_easy_get_ (pmaoh->url);
223 8 : if ( (NULL == eh) ||
224 : (GNUNET_OK !=
225 4 : TALER_curl_easy_post (&pmaoh->post_ctx,
226 : eh,
227 : body)) )
228 : {
229 0 : GNUNET_break (0);
230 0 : if (NULL != eh)
231 0 : curl_easy_cleanup (eh);
232 0 : json_decref (body);
233 0 : GNUNET_free (pmaoh->url);
234 0 : pmaoh->url = NULL;
235 0 : return TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE;
236 : }
237 4 : json_decref (body);
238 4 : GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
239 : "Requesting URL '%s'\n",
240 : pmaoh->url);
241 8 : pmaoh->job = GNUNET_CURL_job_add2 (pmaoh->ctx,
242 : eh,
243 4 : pmaoh->post_ctx.headers,
244 : &handle_post_aml_officer_finished,
245 : pmaoh);
246 4 : if (NULL == pmaoh->job)
247 : {
248 0 : TALER_curl_easy_post_finished (&pmaoh->post_ctx);
249 0 : GNUNET_free (pmaoh->url);
250 0 : pmaoh->url = NULL;
251 0 : return TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE;
252 : }
253 4 : return TALER_EC_NONE;
254 : }
255 :
256 :
257 : void
258 4 : TALER_EXCHANGE_post_management_aml_officers_cancel (
259 : struct TALER_EXCHANGE_PostManagementAmlOfficersHandle *pmaoh)
260 : {
261 4 : if (NULL != pmaoh->job)
262 : {
263 0 : GNUNET_CURL_job_cancel (pmaoh->job);
264 0 : pmaoh->job = NULL;
265 : }
266 4 : TALER_curl_easy_post_finished (&pmaoh->post_ctx);
267 4 : GNUNET_free (pmaoh->url);
268 4 : GNUNET_free (pmaoh->officer_name);
269 4 : GNUNET_free (pmaoh->base_url);
270 4 : GNUNET_free (pmaoh);
271 4 : }
272 :
273 :
274 : /* end of exchange_api_post-management-aml-officers.c */
|
