1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/*
This file is part of TALER
Copyright (C) 2014-2023 Taler Systems SA
TALER is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1,
or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with TALER; see the file COPYING.LGPL. If not,
see <http://www.gnu.org/licenses/>
*/
/**
* @file merchant_api_post_orders.c
* @brief Implementation of the POST /orders
* @author Christian Grothoff
* @author Marcello Stanisci
*/
#include "platform.h"
#include <curl/curl.h>
#include <jansson.h>
#include <microhttpd.h> /* just for HTTP status codes */
#include <gnunet/gnunet_util_lib.h>
#include <gnunet/gnunet_curl_lib.h>
#include "taler_merchant_service.h"
#include "merchant_api_curl_defaults.h"
#include "merchant_api_common.h"
#include <taler/taler_json_lib.h>
#include <taler/taler_signatures.h>
#include <taler/taler_curl_lib.h>
/**
* @brief A POST /orders Handle
*/
struct TALER_MERCHANT_PostOrdersHandle
{
/**
* The url for this request.
*/
char *url;
/**
* Handle for the request.
*/
struct GNUNET_CURL_Job *job;
/**
* Function to call with the result.
*/
TALER_MERCHANT_PostOrdersCallback cb;
/**
* Closure for @a cb.
*/
void *cb_cls;
/**
* Reference to the execution context.
*/
struct GNUNET_CURL_Context *ctx;
/**
* Minor context that holds body and headers.
*/
struct TALER_CURL_PostContext post_ctx;
};
/**
* Function called when we're done processing the
* HTTP POST /orders request.
*
* @param cls the `struct TALER_MERCHANT_PostOrdersHandle`
* @param response_code HTTP response code, 0 on error
* @param response response body, NULL if not JSON
*/
static void
handle_post_order_finished (void *cls,
long response_code,
const void *response)
{
struct TALER_MERCHANT_PostOrdersHandle *po = cls;
const json_t *json = response;
po->job = NULL;
TALER_MERCHANT_handle_order_creation_response_ (po->cb,
po->cb_cls,
response_code,
json);
TALER_MERCHANT_orders_post_cancel (po);
}
struct TALER_MERCHANT_PostOrdersHandle *
TALER_MERCHANT_orders_post (struct GNUNET_CURL_Context *ctx,
const char *backend_url,
const json_t *order,
struct GNUNET_TIME_Relative refund_delay,
TALER_MERCHANT_PostOrdersCallback cb,
void *cb_cls)
{
return TALER_MERCHANT_orders_post2 (ctx,
backend_url,
order,
refund_delay,
NULL,
0,
NULL,
0,
NULL,
true,
cb,
cb_cls);
}
struct TALER_MERCHANT_PostOrdersHandle *
TALER_MERCHANT_orders_post2 (
struct GNUNET_CURL_Context *ctx,
const char *backend_url,
const json_t *order,
struct GNUNET_TIME_Relative refund_delay,
const char *payment_target,
unsigned int inventory_products_length,
const struct TALER_MERCHANT_InventoryProduct inventory_products[],
unsigned int uuids_length,
const char *uuids[],
bool create_token,
TALER_MERCHANT_PostOrdersCallback cb,
void *cb_cls)
{
struct TALER_MERCHANT_PostOrdersHandle *po;
json_t *req;
CURL *eh;
po = GNUNET_new (struct TALER_MERCHANT_PostOrdersHandle);
po->ctx = ctx;
po->cb = cb;
po->cb_cls = cb_cls;
po->url = TALER_url_join (backend_url,
"private/orders",
NULL);
req = GNUNET_JSON_PACK (
GNUNET_JSON_pack_object_incref ("order",
(json_t *) order),
GNUNET_JSON_pack_allow_null (
GNUNET_JSON_pack_string ("payment_target",
payment_target)));
if (0 != refund_delay.rel_value_us)
{
GNUNET_assert (0 ==
json_object_set_new (req,
"refund_delay",
GNUNET_JSON_from_time_rel (
refund_delay)));
}
if (0 != inventory_products_length)
{
json_t *ipa = json_array ();
GNUNET_assert (NULL != ipa);
for (unsigned int i = 0; i<inventory_products_length; i++)
{
json_t *ip;
ip = GNUNET_JSON_PACK (
GNUNET_JSON_pack_string ("product_id",
inventory_products[i].product_id),
GNUNET_JSON_pack_uint64 ("quantity",
inventory_products[i].quantity));
GNUNET_assert (NULL != ip);
GNUNET_assert (0 ==
json_array_append_new (ipa,
ip));
}
GNUNET_assert (0 ==
json_object_set_new (req,
"inventory_products",
ipa));
}
if (0 != uuids_length)
{
json_t *ua = json_array ();
GNUNET_assert (NULL != ua);
for (unsigned int i = 0; i<uuids_length; i++)
{
json_t *u;
u = json_string (uuids[i]);
GNUNET_assert (0 ==
json_array_append_new (ua,
u));
}
GNUNET_assert (0 ==
json_object_set_new (req,
"lock_uuids",
ua));
}
if (! create_token)
{
GNUNET_assert (0 ==
json_object_set_new (req,
"create_token",
json_boolean (create_token)));
}
eh = TALER_MERCHANT_curl_easy_get_ (po->url);
if (GNUNET_OK !=
TALER_curl_easy_post (&po->post_ctx,
eh,
req))
{
GNUNET_break (0);
curl_easy_cleanup (eh);
json_decref (req);
GNUNET_free (po);
return NULL;
}
json_decref (req);
po->job = GNUNET_CURL_job_add2 (ctx,
eh,
po->post_ctx.headers,
&handle_post_order_finished,
po);
return po;
}
void
TALER_MERCHANT_orders_post_cancel (
struct TALER_MERCHANT_PostOrdersHandle *po)
{
if (NULL != po->job)
{
GNUNET_CURL_job_cancel (po->job);
po->job = NULL;
}
GNUNET_free (po->url);
TALER_curl_easy_post_finished (&po->post_ctx);
GNUNET_free (po);
}
/* end of merchant_api_post_orders.c */
|
