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/*
This file is part of TALER
Copyright (C) 2022 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-exchange-httpd_contract.c
* @brief Handle GET /contracts/$C_PUB requests
* @author Christian Grothoff
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include <jansson.h>
#include <microhttpd.h>
#include "taler_mhd_lib.h"
#include "taler-exchange-httpd_contract.h"
#include "taler-exchange-httpd_mhd.h"
#include "taler-exchange-httpd_responses.h"
MHD_RESULT
TEH_handler_contracts_get (struct TEH_RequestContext *rc,
const char *const args[1])
{
struct TALER_ContractDiffiePublicP contract_pub;
struct TALER_PurseContractPublicKeyP purse_pub;
void *econtract;
size_t econtract_size;
enum GNUNET_DB_QueryStatus qs;
struct TALER_PurseContractSignatureP econtract_sig;
MHD_RESULT res;
if (GNUNET_OK !=
GNUNET_STRINGS_string_to_data (args[0],
strlen (args[0]),
&contract_pub,
sizeof (contract_pub)))
{
GNUNET_break_op (0);
return TALER_MHD_reply_with_error (rc->connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_EXCHANGE_CONTRACTS_INVALID_CONTRACT_PUB,
args[0]);
}
qs = TEH_plugin->select_contract (TEH_plugin->cls,
&contract_pub,
&purse_pub,
&econtract_sig,
&econtract_size,
&econtract);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
GNUNET_break (0);
return TALER_MHD_reply_with_error (rc->connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_FETCH_FAILED,
"select_contract");
case GNUNET_DB_STATUS_SOFT_ERROR:
GNUNET_break (0);
return TALER_MHD_reply_with_error (rc->connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_FETCH_FAILED,
"select_contract");
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
return TALER_MHD_reply_with_error (rc->connection,
MHD_HTTP_NOT_FOUND,
TALER_EC_EXCHANGE_CONTRACTS_UNKNOWN,
NULL);
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
break; /* handled below */
}
res = TALER_MHD_REPLY_JSON_PACK (
rc->connection,
MHD_HTTP_OK,
GNUNET_JSON_pack_data_auto ("purse_pub",
&purse_pub),
GNUNET_JSON_pack_data_auto ("econtract_sig",
&econtract_sig),
GNUNET_JSON_pack_data_varsize ("econtract",
econtract,
econtract_size));
GNUNET_free (econtract);
return res;
}
/* end of taler-exchange-httpd_contract.c */
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