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
|
/*
This file is part of TALER
Copyright (C) 2014-2024 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free Software
Foundation; either version 3, 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file taler-auditor-httpd_deposit-confirmation-get.c
* @brief Handle /deposit-confirmation requests; return list of deposit confirmations from merchant
* that were not received from the exchange, by auditor.
* @author Nic Eigel
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include <gnunet/gnunet_json_lib.h>
#include <jansson.h>
#include <microhttpd.h>
#include <pthread.h>
#include "taler_json_lib.h"
#include "taler_mhd_lib.h"
#include "taler-auditor-httpd.h"
#include "taler-auditor-httpd_deposit-confirmation-get.h"
GNUNET_NETWORK_STRUCT_BEGIN
/**
* @brief Information about a signing key of the exchange. Signing keys are used
* to sign exchange messages other than coins, i.e. to confirm that a
* deposit was successful or that a refresh was accepted.
*/
struct ExchangeSigningKeyDataP
{
/**
* When does this signing key begin to be valid?
*/
struct GNUNET_TIME_TimestampNBO start;
/**
* When does this signing key expire? Note: This is currently when
* the Exchange will definitively stop using it. Signatures made with
* the key remain valid until @e end. When checking validity periods,
* clients should allow for some overlap between keys and tolerate
* the use of either key during the overlap time (due to the
* possibility of clock skew).
*/
struct GNUNET_TIME_TimestampNBO expire;
/**
* When do signatures with this signing key become invalid? After
* this point, these signatures cannot be used in (legal) disputes
* anymore, as the Exchange is then allowed to destroy its side of the
* evidence. @e end is expected to be significantly larger than @e
* expire (by a year or more).
*/
struct GNUNET_TIME_TimestampNBO end;
/**
* The public online signing key that the exchange will use
* between @e start and @e expire.
*/
struct TALER_ExchangePublicKeyP signkey_pub;
};
GNUNET_NETWORK_STRUCT_END
/**
* Add deposit confirmation to the list.
*
* @param[in,out] cls a `json_t *` array to extend
* @param serial_id location of the @a dc in the database
* @param dc struct of deposit confirmation
* @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
*/
static enum GNUNET_GenericReturnValue
add_deposit_confirmation (void *cls,
uint64_t serial_id,
const struct TALER_AUDITORDB_DepositConfirmation *dc)
{
json_t *list = cls;
json_t *obj;
obj = GNUNET_JSON_PACK (
GNUNET_JSON_pack_data_auto ("dc",
dc));
GNUNET_break (0 ==
json_array_append_new (list,
obj));
return GNUNET_OK;
}
/**
*
* @param rh context of the handler
* @param connection the MHD connection to handle
* @param[in,out] connection_cls the connection's closure (can be updated)
* @param upload_data upload data
* @param[in,out] upload_data_size number of bytes (left) in @a upload_data
* @return MHD result code
*/
MHD_RESULT
TAH_DEPOSIT_CONFIRMATION_handler_get (struct TAH_RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size)
{
json_t *ja;
enum GNUNET_DB_QueryStatus qs;
(void) rh;
(void) connection_cls;
(void) upload_data;
(void) upload_data_size;
if (GNUNET_SYSERR ==
TAH_plugin->preflight (TAH_plugin->cls))
{
GNUNET_break (0);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_SETUP_FAILED,
NULL);
}
ja = json_array ();
GNUNET_break (NULL != ja);
// TODO correct below
qs = TAH_plugin->get_deposit_confirmations (
TAH_plugin->cls,
0, /* FIXME: get from query parameters! */
false, /* FIXME: get from query parameters! */
&add_deposit_confirmation,
ja);
if (0 > qs)
{
GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs);
json_decref (ja);
TALER_LOG_WARNING (
"Failed to handle GET /deposit-confirmation in database\n");
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_FETCH_FAILED,
"deposit-confirmation");
}
return TALER_MHD_REPLY_JSON_PACK (
connection,
MHD_HTTP_OK,
GNUNET_JSON_pack_array_steal ("deposit-confirmation",
ja));
}
/* end of taler-auditor-httpd_deposit-confirmation-get.c */
|
