Line data Source code
1 : /*
2 : This file is part of TALER
3 : (C) 2014-2023, 2025, 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 Affero 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 <http://www.gnu.org/licenses/>
15 : */
16 : /**
17 : * @file src/backend/taler-merchant-httpd_post-private-transfers.c
18 : * @brief implement API for registering wire transfers
19 : * @author Marcello Stanisci
20 : * @author Christian Grothoff
21 : */
22 : #include "platform.h"
23 : #include <jansson.h>
24 : #include <taler/taler_signatures.h>
25 : #include <taler/taler_json_lib.h>
26 : #include <taler/taler_dbevents.h>
27 : #include "taler-merchant-httpd_get-exchanges.h"
28 : #include "taler-merchant-httpd_helper.h"
29 : #include "taler-merchant-httpd_post-private-transfers.h"
30 : #include "merchant-database/insert_transfer.h"
31 :
32 :
33 : /**
34 : * How often do we retry the simple INSERT database transaction?
35 : */
36 : #define MAX_RETRIES 5
37 :
38 :
39 : enum MHD_Result
40 10 : TMH_private_post_transfers (const struct TMH_RequestHandler *rh,
41 : struct MHD_Connection *connection,
42 : struct TMH_HandlerContext *hc)
43 : {
44 : struct TALER_FullPayto payto_uri;
45 : const char *exchange_url;
46 : struct TALER_WireTransferIdentifierRawP wtid;
47 : struct TALER_Amount amount;
48 : struct GNUNET_JSON_Specification spec[] = {
49 10 : TALER_JSON_spec_amount_any ("credit_amount",
50 : &amount),
51 10 : GNUNET_JSON_spec_fixed_auto ("wtid",
52 : &wtid),
53 10 : TALER_JSON_spec_full_payto_uri ("payto_uri",
54 : &payto_uri),
55 10 : TALER_JSON_spec_web_url ("exchange_url",
56 : &exchange_url),
57 10 : GNUNET_JSON_spec_end ()
58 : };
59 : enum GNUNET_GenericReturnValue res;
60 : enum GNUNET_DB_QueryStatus qs;
61 : bool no_account;
62 : bool conflict;
63 :
64 10 : res = TALER_MHD_parse_json_data (connection,
65 10 : hc->request_body,
66 : spec);
67 10 : if (GNUNET_OK != res)
68 : return (GNUNET_NO == res)
69 : ? MHD_YES
70 0 : : MHD_NO;
71 10 : GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
72 : "New inbound wire transfer over %s to %s from %s\n",
73 : TALER_amount2s (&amount),
74 : payto_uri.full_payto,
75 : exchange_url);
76 :
77 : /* Check if transfer data is in database, if not, add it. */
78 10 : qs = TALER_MERCHANTDB_insert_transfer (TMH_db,
79 10 : hc->instance->settings.id,
80 : exchange_url,
81 : &wtid,
82 : &amount,
83 : payto_uri,
84 : 0 /* no bank serial known! */,
85 : &no_account,
86 : &conflict);
87 10 : switch (qs)
88 : {
89 0 : case GNUNET_DB_STATUS_HARD_ERROR:
90 0 : GNUNET_break (0);
91 0 : return TALER_MHD_reply_with_error (connection,
92 : MHD_HTTP_INTERNAL_SERVER_ERROR,
93 : TALER_EC_GENERIC_DB_STORE_FAILED,
94 : "insert_transfer");
95 0 : case GNUNET_DB_STATUS_SOFT_ERROR:
96 0 : GNUNET_break (0);
97 0 : return TALER_MHD_reply_with_error (connection,
98 : MHD_HTTP_INTERNAL_SERVER_ERROR,
99 : TALER_EC_GENERIC_DB_STORE_FAILED,
100 : "insert_transfer");
101 0 : case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
102 0 : GNUNET_break (0); /* should be impossible */
103 0 : return TALER_MHD_reply_with_error (connection,
104 : MHD_HTTP_INTERNAL_SERVER_ERROR,
105 : TALER_EC_GENERIC_DB_INVARIANT_FAILURE,
106 : "insert_transfer");
107 10 : case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
108 10 : break;
109 : }
110 10 : if (no_account)
111 : {
112 0 : GNUNET_break_op (0);
113 0 : return TALER_MHD_reply_with_error (
114 : connection,
115 : MHD_HTTP_CONFLICT,
116 : TALER_EC_MERCHANT_GENERIC_ACCOUNT_UNKNOWN,
117 0 : payto_uri.full_payto);
118 : }
119 10 : if (conflict)
120 : {
121 0 : GNUNET_break_op (0);
122 0 : return TALER_MHD_reply_with_error (
123 : connection,
124 : MHD_HTTP_CONFLICT,
125 : TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_CONFLICTING_SUBMISSION,
126 : NULL);
127 : }
128 10 : return TALER_MHD_reply_static (connection,
129 : MHD_HTTP_NO_CONTENT,
130 : NULL,
131 : NULL,
132 : 0);
133 : }
134 :
135 :
136 : /* end of taler-merchant-httpd_post-private-transfers.c */
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