Line data Source code
1 : /*
2 : This file is part of TALER
3 : (C) 2016-2023 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or
6 : modify it under the terms of the GNU General Public License
7 : as published by the Free Software Foundation; either version 3,
8 : or (at your option) any later version.
9 :
10 : TALER is distributed in the hope that it will be useful,
11 : but WITHOUT ANY WARRANTY; without even the implied warranty of
12 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 : GNU General Public License for more details.
14 :
15 : You should have received a copy of the GNU General Public
16 : License along with TALER; see the file COPYING. If not,
17 : see <http://www.gnu.org/licenses/>
18 : */
19 : /**
20 : * @file bank-lib/fakebank_tbi_get_withdrawal_operation.c
21 : * @brief Implementation of the GET /withdrawal-operation/ request of the Taler Bank Integration API
22 : * @author Christian Grothoff <christian@grothoff.org>
23 : */
24 : #include "taler/platform.h"
25 : #include <pthread.h>
26 : #include "taler/taler_fakebank_lib.h"
27 : #include "taler/taler_bank_service.h"
28 : #include "taler/taler_mhd_lib.h"
29 : #include <gnunet/gnunet_mhd_compat.h>
30 : #include "fakebank.h"
31 : #include "fakebank_common_lookup.h"
32 : #include "fakebank_common_lp.h"
33 : #include "fakebank_tbi_get_withdrawal_operation.h"
34 :
35 : /**
36 : * Function called to clean up a withdraw context.
37 : *
38 : * @param cls a `struct WithdrawContext *`
39 : */
40 : static void
41 0 : withdraw_cleanup (void *cls)
42 : {
43 0 : struct WithdrawContext *wc = cls;
44 :
45 0 : GNUNET_free (wc);
46 0 : }
47 :
48 :
49 : MHD_RESULT
50 0 : TALER_FAKEBANK_tbi_get_withdrawal_operation_ (
51 : struct TALER_FAKEBANK_Handle *h,
52 : struct MHD_Connection *connection,
53 : const char *wopid,
54 : struct GNUNET_TIME_Relative lp,
55 : void **con_cls)
56 : {
57 0 : struct ConnectionContext *cc = *con_cls;
58 : struct WithdrawContext *wc;
59 : const char *status_string;
60 :
61 0 : GNUNET_assert (0 ==
62 : pthread_mutex_lock (&h->big_lock));
63 0 : if (NULL == cc)
64 : {
65 0 : cc = GNUNET_new (struct ConnectionContext);
66 0 : cc->ctx_cleaner = &withdraw_cleanup;
67 0 : *con_cls = cc;
68 0 : wc = GNUNET_new (struct WithdrawContext);
69 0 : cc->ctx = wc;
70 0 : wc->wo = TALER_FAKEBANK_lookup_withdrawal_operation_ (h,
71 : wopid);
72 0 : if (NULL == wc->wo)
73 : {
74 0 : GNUNET_assert (0 ==
75 : pthread_mutex_unlock (&h->big_lock));
76 0 : return TALER_MHD_reply_with_error (connection,
77 : MHD_HTTP_NOT_FOUND,
78 : TALER_EC_BANK_TRANSACTION_NOT_FOUND,
79 : wopid);
80 : }
81 0 : wc->timeout = GNUNET_TIME_relative_to_absolute (lp);
82 : }
83 : else
84 : {
85 0 : wc = cc->ctx;
86 : }
87 0 : if (GNUNET_TIME_absolute_is_past (wc->timeout) ||
88 0 : h->in_shutdown ||
89 0 : wc->wo->confirmation_done ||
90 0 : wc->wo->aborted)
91 : {
92 : json_t *wt;
93 :
94 0 : wt = json_array ();
95 0 : GNUNET_assert (NULL != wt);
96 0 : GNUNET_assert (0 ==
97 : json_array_append_new (wt,
98 : json_string ("x-taler-bank")));
99 0 : GNUNET_assert (0 ==
100 : pthread_mutex_unlock (&h->big_lock));
101 0 : if (wc->wo->aborted)
102 0 : status_string = "aborted";
103 0 : else if (wc->wo->confirmation_done)
104 0 : status_string = "confirmed";
105 0 : else if (wc->wo->selection_done)
106 0 : status_string = "selected";
107 : else
108 0 : status_string = "pending";
109 0 : return TALER_MHD_REPLY_JSON_PACK (
110 : connection,
111 : MHD_HTTP_OK,
112 : // FIXME: deprecated field, should be removed in the future.
113 : GNUNET_JSON_pack_bool ("aborted",
114 : wc->wo->aborted),
115 : // FIXME: deprecated field, should be removed in the future.
116 : GNUNET_JSON_pack_bool ("selection_done",
117 : wc->wo->selection_done),
118 : // FIXME: deprecated field, should be removed in the future.
119 : GNUNET_JSON_pack_bool ("transfer_done",
120 : wc->wo->confirmation_done),
121 : GNUNET_JSON_pack_string ("status",
122 : status_string),
123 : GNUNET_JSON_pack_string ("sender_wire",
124 : wc->wo->debit_account->payto_uri),
125 : GNUNET_JSON_pack_allow_null (
126 : GNUNET_JSON_pack_string ("suggested_exchange",
127 : h->exchange_url)),
128 : GNUNET_JSON_pack_allow_null (
129 : TALER_JSON_pack_amount ("amount",
130 : wc->wo->amount)),
131 : GNUNET_JSON_pack_array_steal ("wire_types",
132 : wt));
133 : }
134 :
135 0 : TALER_FAKEBANK_start_lp_ (h,
136 : connection,
137 0 : wc->wo->debit_account,
138 : GNUNET_TIME_absolute_get_remaining (wc->timeout),
139 : LP_WITHDRAW,
140 0 : wc->wo);
141 0 : GNUNET_assert (0 ==
142 : pthread_mutex_unlock (&h->big_lock));
143 0 : return MHD_YES;
144 : }
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