Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2014-2026 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 src/lib/merchant_api_delete-private-products-PRODUCT_ID.c
19 : * @brief Implementation of the DELETE /private/products/$PRODUCT_ID request
20 : * @author Christian Grothoff
21 : */
22 : #include "platform.h"
23 : #include <curl/curl.h>
24 : #include <jansson.h>
25 : #include <microhttpd.h> /* just for HTTP status codes */
26 : #include <gnunet/gnunet_util_lib.h>
27 : #include <gnunet/gnunet_curl_lib.h>
28 : #include <taler/merchant/delete-private-products-PRODUCT_ID.h>
29 : #include "merchant_api_curl_defaults.h"
30 : #include <taler/taler_json_lib.h>
31 :
32 :
33 : /**
34 : * Handle for a DELETE /private/products/$PRODUCT_ID operation.
35 : */
36 : struct TALER_MERCHANT_DeletePrivateProductHandle
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_DeletePrivateProductCallback cb;
57 :
58 : /**
59 : * Closure for @a cb.
60 : */
61 : TALER_MERCHANT_DELETE_PRIVATE_PRODUCT_RESULT_CLOSURE *cb_cls;
62 :
63 : /**
64 : * Reference to the execution context.
65 : */
66 : struct GNUNET_CURL_Context *ctx;
67 :
68 : /**
69 : * Identifier of the product to delete.
70 : */
71 : char *product_id;
72 : };
73 :
74 :
75 : /**
76 : * Function called when we're done processing the
77 : * HTTP DELETE /private/products/$PRODUCT_ID request.
78 : *
79 : * @param cls the `struct TALER_MERCHANT_DeletePrivateProductHandle`
80 : * @param response_code HTTP response code, 0 on error
81 : * @param response response body, NULL if not in JSON
82 : */
83 : static void
84 10 : handle_delete_product_finished (void *cls,
85 : long response_code,
86 : const void *response)
87 : {
88 10 : struct TALER_MERCHANT_DeletePrivateProductHandle *dph = cls;
89 10 : const json_t *json = response;
90 10 : struct TALER_MERCHANT_DeletePrivateProductResponse dpr = {
91 10 : .hr.http_status = (unsigned int) response_code,
92 : .hr.reply = json
93 : };
94 :
95 10 : dph->job = NULL;
96 10 : GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
97 : "Got /private/products/$PRODUCT_ID DELETE response with status code %u\n",
98 : (unsigned int) response_code);
99 10 : switch (response_code)
100 : {
101 6 : case MHD_HTTP_NO_CONTENT:
102 6 : break;
103 0 : case MHD_HTTP_UNAUTHORIZED:
104 0 : dpr.hr.ec = TALER_JSON_get_error_code (json);
105 0 : dpr.hr.hint = TALER_JSON_get_error_hint (json);
106 0 : break;
107 2 : case MHD_HTTP_NOT_FOUND:
108 2 : dpr.hr.ec = TALER_JSON_get_error_code (json);
109 2 : dpr.hr.hint = TALER_JSON_get_error_hint (json);
110 2 : break;
111 2 : case MHD_HTTP_CONFLICT:
112 2 : dpr.hr.ec = TALER_JSON_get_error_code (json);
113 2 : dpr.hr.hint = TALER_JSON_get_error_hint (json);
114 2 : break;
115 0 : default:
116 0 : dpr.hr.ec = TALER_JSON_get_error_code (json);
117 0 : dpr.hr.hint = TALER_JSON_get_error_hint (json);
118 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
119 : "Unexpected response code %u/%d for DELETE /private/products/$PRODUCT_ID\n",
120 : (unsigned int) response_code,
121 : (int) dpr.hr.ec);
122 0 : break;
123 : }
124 10 : dph->cb (dph->cb_cls,
125 : &dpr);
126 10 : TALER_MERCHANT_delete_private_product_cancel (dph);
127 10 : }
128 :
129 :
130 : struct TALER_MERCHANT_DeletePrivateProductHandle *
131 10 : TALER_MERCHANT_delete_private_product_create (
132 : struct GNUNET_CURL_Context *ctx,
133 : const char *url,
134 : const char *product_id)
135 : {
136 : struct TALER_MERCHANT_DeletePrivateProductHandle *dph;
137 :
138 10 : dph = GNUNET_new (struct TALER_MERCHANT_DeletePrivateProductHandle);
139 10 : dph->ctx = ctx;
140 10 : dph->base_url = GNUNET_strdup (url);
141 10 : dph->product_id = GNUNET_strdup (product_id);
142 10 : return dph;
143 : }
144 :
145 :
146 : enum TALER_ErrorCode
147 10 : TALER_MERCHANT_delete_private_product_start (
148 : struct TALER_MERCHANT_DeletePrivateProductHandle *dph,
149 : TALER_MERCHANT_DeletePrivateProductCallback cb,
150 : TALER_MERCHANT_DELETE_PRIVATE_PRODUCT_RESULT_CLOSURE *cb_cls)
151 : {
152 : CURL *eh;
153 :
154 10 : dph->cb = cb;
155 10 : dph->cb_cls = cb_cls;
156 : {
157 : char *path;
158 :
159 10 : GNUNET_asprintf (&path,
160 : "private/products/%s",
161 : dph->product_id);
162 10 : dph->url = TALER_url_join (dph->base_url,
163 : path,
164 : NULL);
165 10 : GNUNET_free (path);
166 : }
167 10 : if (NULL == dph->url)
168 0 : return TALER_EC_GENERIC_CONFIGURATION_INVALID;
169 10 : eh = TALER_MERCHANT_curl_easy_get_ (dph->url);
170 10 : if (NULL == eh)
171 0 : return TALER_EC_GENERIC_CONFIGURATION_INVALID;
172 10 : GNUNET_assert (CURLE_OK ==
173 : curl_easy_setopt (eh,
174 : CURLOPT_CUSTOMREQUEST,
175 : MHD_HTTP_METHOD_DELETE));
176 10 : dph->job = GNUNET_CURL_job_add (dph->ctx,
177 : eh,
178 : &handle_delete_product_finished,
179 : dph);
180 10 : if (NULL == dph->job)
181 0 : return TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE;
182 10 : return TALER_EC_NONE;
183 : }
184 :
185 :
186 : void
187 10 : TALER_MERCHANT_delete_private_product_cancel (
188 : struct TALER_MERCHANT_DeletePrivateProductHandle *dph)
189 : {
190 10 : if (NULL != dph->job)
191 : {
192 0 : GNUNET_CURL_job_cancel (dph->job);
193 0 : dph->job = NULL;
194 : }
195 10 : GNUNET_free (dph->url);
196 10 : GNUNET_free (dph->product_id);
197 10 : GNUNET_free (dph->base_url);
198 10 : GNUNET_free (dph);
199 10 : }
200 :
201 :
202 : /* end of merchant_api_delete-private-products-PRODUCT_ID-new.c */
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