Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2024-2026 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or modify it under the
6 : terms of the GNU Lesser General Public License as published by the Free Software
7 : Foundation; either version 2.1, 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 Lesser General Public License for more details.
12 :
13 : You should have received a copy of the GNU Lesser General Public License along with
14 : TALER; see the file COPYING.LGPL. If not, see
15 : <http://www.gnu.org/licenses/>
16 : */
17 : /**
18 : * @file merchant_api_delete-private-donau-DONAU_SERIAL-new.c
19 : * @brief Implementation of the DELETE /private/donau/$DONAU_SERIAL request
20 : * @author Christian Grothoff
21 : */
22 : #include "taler/platform.h"
23 : #include <curl/curl.h>
24 : #include <jansson.h>
25 : #include <microhttpd.h> /* just for HTTP status codes */
26 : #include <gnunet/gnunet_util_lib.h>
27 : #include <gnunet/gnunet_curl_lib.h>
28 : #include <taler/merchant/delete-private-donau-DONAU_SERIAL.h>
29 : #include "merchant_api_curl_defaults.h"
30 : #include <taler/taler_json_lib.h>
31 :
32 :
33 : /**
34 : * Handle for a DELETE /private/donau/$DONAU_SERIAL operation.
35 : */
36 : struct TALER_MERCHANT_DeletePrivateDonauHandle
37 : {
38 : /**
39 : * Base URL of the merchant backend.
40 : */
41 : char *base_url;
42 :
43 : /**
44 : * The full URL for this request.
45 : */
46 : char *url;
47 :
48 : /**
49 : * Handle for the request.
50 : */
51 : struct GNUNET_CURL_Job *job;
52 :
53 : /**
54 : * Function to call with the result.
55 : */
56 : TALER_MERCHANT_DeletePrivateDonauCallback cb;
57 :
58 : /**
59 : * Closure for @a cb.
60 : */
61 : TALER_MERCHANT_DELETE_PRIVATE_DONAU_RESULT_CLOSURE *cb_cls;
62 :
63 : /**
64 : * Reference to the execution context.
65 : */
66 : struct GNUNET_CURL_Context *ctx;
67 :
68 : /**
69 : * Charity identifier to delete.
70 : */
71 : uint64_t charity_id;
72 : };
73 :
74 :
75 : /**
76 : * Function called when we're done processing the
77 : * HTTP DELETE /private/donau/$DONAU_SERIAL request.
78 : *
79 : * @param cls the `struct TALER_MERCHANT_DeletePrivateDonauHandle`
80 : * @param response_code HTTP response code, 0 on error
81 : * @param response response body, NULL if not in JSON
82 : */
83 : static void
84 0 : handle_delete_donau_finished (void *cls,
85 : long response_code,
86 : const void *response)
87 : {
88 0 : struct TALER_MERCHANT_DeletePrivateDonauHandle *ddh = cls;
89 0 : const json_t *json = response;
90 0 : struct TALER_MERCHANT_DeletePrivateDonauResponse ddr = {
91 0 : .hr.http_status = (unsigned int) response_code,
92 : .hr.reply = json
93 : };
94 :
95 0 : ddh->job = NULL;
96 0 : GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
97 : "Got /private/donau/$DONAU_SERIAL DELETE response with status code %u\n",
98 : (unsigned int) response_code);
99 0 : switch (response_code)
100 : {
101 0 : case MHD_HTTP_NO_CONTENT:
102 0 : break;
103 0 : case MHD_HTTP_NOT_FOUND:
104 : case MHD_HTTP_UNAUTHORIZED:
105 0 : ddr.hr.ec = TALER_JSON_get_error_code (json);
106 0 : ddr.hr.hint = TALER_JSON_get_error_hint (json);
107 0 : break;
108 0 : default:
109 0 : ddr.hr.ec = TALER_JSON_get_error_code (json);
110 0 : ddr.hr.hint = TALER_JSON_get_error_hint (json);
111 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
112 : "Unexpected response code %u/%d for DELETE /private/donau/$DONAU_SERIAL\n",
113 : (unsigned int) response_code,
114 : (int) ddr.hr.ec);
115 0 : break;
116 : }
117 0 : ddh->cb (ddh->cb_cls,
118 : &ddr);
119 0 : TALER_MERCHANT_delete_private_donau_cancel (ddh);
120 0 : }
121 :
122 :
123 : struct TALER_MERCHANT_DeletePrivateDonauHandle *
124 0 : TALER_MERCHANT_delete_private_donau_create (
125 : struct GNUNET_CURL_Context *ctx,
126 : const char *url,
127 : uint64_t charity_id)
128 : {
129 : struct TALER_MERCHANT_DeletePrivateDonauHandle *ddh;
130 :
131 0 : ddh = GNUNET_new (struct TALER_MERCHANT_DeletePrivateDonauHandle);
132 0 : ddh->ctx = ctx;
133 0 : ddh->base_url = GNUNET_strdup (url);
134 0 : ddh->charity_id = charity_id;
135 0 : return ddh;
136 : }
137 :
138 :
139 : enum TALER_ErrorCode
140 0 : TALER_MERCHANT_delete_private_donau_start (
141 : struct TALER_MERCHANT_DeletePrivateDonauHandle *ddh,
142 : TALER_MERCHANT_DeletePrivateDonauCallback cb,
143 : TALER_MERCHANT_DELETE_PRIVATE_DONAU_RESULT_CLOSURE *cb_cls)
144 : {
145 : CURL *eh;
146 :
147 0 : ddh->cb = cb;
148 0 : ddh->cb_cls = cb_cls;
149 : {
150 : char *path;
151 :
152 0 : GNUNET_asprintf (&path,
153 : "private/donau/%llu",
154 0 : (unsigned long long) ddh->charity_id);
155 0 : ddh->url = TALER_url_join (ddh->base_url,
156 : path,
157 : NULL);
158 0 : GNUNET_free (path);
159 : }
160 0 : if (NULL == ddh->url)
161 0 : return TALER_EC_GENERIC_CONFIGURATION_INVALID;
162 0 : eh = TALER_MERCHANT_curl_easy_get_ (ddh->url);
163 0 : if (NULL == eh)
164 0 : return TALER_EC_GENERIC_CONFIGURATION_INVALID;
165 0 : GNUNET_assert (CURLE_OK ==
166 : curl_easy_setopt (eh,
167 : CURLOPT_CUSTOMREQUEST,
168 : MHD_HTTP_METHOD_DELETE));
169 0 : ddh->job = GNUNET_CURL_job_add (ddh->ctx,
170 : eh,
171 : &handle_delete_donau_finished,
172 : ddh);
173 0 : if (NULL == ddh->job)
174 0 : return TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE;
175 0 : return TALER_EC_NONE;
176 : }
177 :
178 :
179 : void
180 0 : TALER_MERCHANT_delete_private_donau_cancel (
181 : struct TALER_MERCHANT_DeletePrivateDonauHandle *ddh)
182 : {
183 0 : if (NULL != ddh->job)
184 : {
185 0 : GNUNET_CURL_job_cancel (ddh->job);
186 0 : ddh->job = NULL;
187 : }
188 0 : GNUNET_free (ddh->url);
189 0 : GNUNET_free (ddh->base_url);
190 0 : GNUNET_free (ddh);
191 0 : }
192 :
193 :
194 : /* end of merchant_api_delete-private-donau-DONAU_SERIAL-new.c */
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