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/*
This file is part of TALER
(C) 2016-2023 Taler Systems SA
TALER is free software; you can redistribute it and/or
modify it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public
License along with TALER; see the file COPYING. If not,
see <http://www.gnu.org/licenses/>
*/
/**
* @file bank-lib/fakebank_bank_post_accounts_withdrawals.c
* @brief implementation of the bank API's POST /accounts/AID/withdrawals endpoint
* @author Christian Grothoff <christian@grothoff.org>
*/
#include "platform.h"
#include <pthread.h>
#include "taler_fakebank_lib.h"
#include "taler_bank_service.h"
#include "taler_mhd_lib.h"
#include <gnunet/gnunet_mhd_compat.h>
#include "fakebank.h"
#include "fakebank_bank_post_accounts_withdrawals.h"
#include "fakebank_common_lookup.h"
/**
* Execute POST /accounts/$account_name/withdrawals request.
*
* @param h our fakebank handle
* @param connection the connection
* @param account_name name of the account
* @param amount amont to withdraw
* @return MHD result code
*/
static MHD_RESULT
do_post_account_withdrawals (
struct TALER_FAKEBANK_Handle *h,
struct MHD_Connection *connection,
const char *account_name,
const struct TALER_Amount *amount)
{
struct Account *acc;
struct WithdrawalOperation *wo;
GNUNET_assert (0 ==
pthread_mutex_lock (&h->big_lock));
acc = TALER_FAKEBANK_lookup_account_ (h,
account_name,
NULL);
if (NULL == acc)
{
GNUNET_assert (0 ==
pthread_mutex_unlock (&h->big_lock));
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_NOT_FOUND,
TALER_EC_BANK_UNKNOWN_ACCOUNT,
account_name);
}
wo = GNUNET_new (struct WithdrawalOperation);
wo->debit_account = acc;
wo->amount = *amount;
if (NULL == h->wops)
{
h->wops = GNUNET_CONTAINER_multishortmap_create (32,
GNUNET_YES);
}
while (1)
{
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_NONCE,
&wo->wopid,
sizeof (wo->wopid));
if (GNUNET_OK ==
GNUNET_CONTAINER_multishortmap_put (h->wops,
&wo->wopid,
wo,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
break;
}
{
char *wopids;
char *uri;
MHD_RESULT res;
wopids = GNUNET_STRINGS_data_to_string_alloc (&wo->wopid,
sizeof (wo->wopid));
GNUNET_asprintf (&uri,
"taler+http://withdraw/%s:%u/taler-integration/%s",
h->hostname,
(unsigned int) h->port,
wopids);
GNUNET_free (wopids);
res = TALER_MHD_REPLY_JSON_PACK (
connection,
MHD_HTTP_OK,
GNUNET_JSON_pack_string ("taler_withdraw_uri",
uri),
GNUNET_JSON_pack_data_auto ("withdrawal_id",
&wo->wopid));
GNUNET_assert (0 ==
pthread_mutex_unlock (&h->big_lock));
GNUNET_free (uri);
return res;
}
}
/**
* Handle POST /accounts/$account_name/withdrawals request.
*
* @param h our fakebank handle
* @param connection the connection
* @param account_name name of the account
* @param upload_data request data
* @param upload_data_size size of @a upload_data in bytes
* @param con_cls closure for request
* @return MHD result code
*/
MHD_RESULT
TALER_FAKEBANK_bank_post_account_withdrawals_ (
struct TALER_FAKEBANK_Handle *h,
struct MHD_Connection *connection,
const char *account_name,
const void *upload_data,
size_t *upload_data_size,
void **con_cls)
{
struct ConnectionContext *cc = *con_cls;
enum GNUNET_JSON_PostResult pr;
json_t *json;
MHD_RESULT res;
if (NULL == cc)
{
cc = GNUNET_new (struct ConnectionContext);
cc->ctx_cleaner = &GNUNET_JSON_post_parser_cleanup;
*con_cls = cc;
}
pr = GNUNET_JSON_post_parser (REQUEST_BUFFER_MAX,
connection,
&cc->ctx,
upload_data,
upload_data_size,
&json);
switch (pr)
{
case GNUNET_JSON_PR_OUT_OF_MEMORY:
GNUNET_break (0);
return MHD_NO;
case GNUNET_JSON_PR_CONTINUE:
return MHD_YES;
case GNUNET_JSON_PR_REQUEST_TOO_LARGE:
GNUNET_break (0);
return MHD_NO;
case GNUNET_JSON_PR_JSON_INVALID:
GNUNET_break (0);
return MHD_NO;
case GNUNET_JSON_PR_SUCCESS:
break;
}
{
struct TALER_Amount amount;
enum GNUNET_GenericReturnValue ret;
struct GNUNET_JSON_Specification spec[] = {
TALER_JSON_spec_amount ("amount",
h->currency,
&amount),
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
(ret = TALER_MHD_parse_json_data (connection,
json,
spec)))
{
GNUNET_break_op (0);
json_decref (json);
return (GNUNET_NO == ret) ? MHD_YES : MHD_NO;
}
res = do_post_account_withdrawals (h,
connection,
account_name,
&amount);
}
json_decref (json);
return res;
}
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