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/*
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"
/**
* 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;
json_t *coin_pubs_json = json_array ();
json_t *coin_sigs_json = json_array ();
for (int i = 0; dc->num_coins > i; i++)
{
int sz_pub = sizeof(dc->coin_pubs[0]) * 9;
char *o_pub = malloc (sz_pub);
GNUNET_STRINGS_data_to_string (&dc->coin_pubs[i], sizeof(dc->coin_pubs[0]),
o_pub, sz_pub);
json_t *pub = json_string (o_pub);
json_array_append_new (coin_pubs_json, pub);
free (o_pub);
int sz_sig = sizeof(dc->coin_sigs[0]) * 9;
char *o_sig = malloc (sz_sig);
GNUNET_STRINGS_data_to_string (&dc->coin_sigs[i], sizeof(dc->coin_sigs[0]),
o_sig, sz_sig);
json_t *sig = json_string (o_sig);
json_array_append_new (coin_sigs_json, sig);
free (o_sig);
}
obj = GNUNET_JSON_PACK (
GNUNET_JSON_pack_int64 ("deposit_confirmation_serial_id", serial_id),
GNUNET_JSON_pack_data_auto ("h_contract_terms", &dc->h_contract_terms),
GNUNET_JSON_pack_data_auto ("h_policy", &dc->h_policy),
GNUNET_JSON_pack_data_auto ("h_wire", &dc->h_wire),
GNUNET_JSON_pack_timestamp ("exchange_timestamp", dc->exchange_timestamp),
GNUNET_JSON_pack_timestamp ("refund_deadline", dc->refund_deadline),
GNUNET_JSON_pack_timestamp ("wire_deadline", dc->wire_deadline),
TALER_JSON_pack_amount ("total_without_fee", &dc->total_without_fee),
GNUNET_JSON_pack_array_steal ("coin_pubs", coin_pubs_json),
GNUNET_JSON_pack_array_steal ("coin_sigs", coin_sigs_json),
GNUNET_JSON_pack_data_auto ("merchant_pub", &dc->merchant),
GNUNET_JSON_pack_data_auto ("exchange_sig", &dc->exchange_sig),
GNUNET_JSON_pack_data_auto ("exchange_pub", &dc->exchange_pub),
GNUNET_JSON_pack_data_auto ("master_sig", &dc->master_sig)
);
GNUNET_break (0 ==
json_array_append_new (list,
obj));
return GNUNET_OK;
}
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,
const char *const args[])
{
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);
bool return_suppressed = false;
int64_t limit = -20; // unused here
uint64_t offset;
TALER_MHD_parse_request_snumber (connection,
"limit",
&limit);
if (limit < 0)
offset = INT64_MAX;
else
offset = 0;
TALER_MHD_parse_request_number (connection,
"offset",
&offset);
const char *ret_s = MHD_lookup_connection_value (connection,
MHD_GET_ARGUMENT_KIND,
"return_suppressed");
if (ret_s != NULL && strcmp (ret_s, "true") == 0)
{
return_suppressed = true;
}
qs = TAH_plugin->get_deposit_confirmations (
TAH_plugin->cls,
limit,
offset,
return_suppressed,
&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 */
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