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/*
This file is part of TALER
Copyright (C) 2014, 2015 GNUnet e.V.
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_admin.c
* @brief Handle /admin/ requests
* @author Christian Grothoff
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include <jansson.h>
#include "taler-exchange-httpd_admin.h"
#include "taler-exchange-httpd_parsing.h"
#include "taler-exchange-httpd_responses.h"
#include "taler-exchange-httpd_validation.h"
/**
* Add an incoming transaction to the database. Checks if the
* transaction is fresh (not a duplicate) and if so adds it to
* the database.
*
* @param connection the MHD connection to handle
* @param reserve_pub public key of the reserve
* @param amount amount to add to the reserve
* @param execution_time when did we receive the wire transfer
* @param sender_account_details which account send the funds
* @param transfer_details information that uniquely identifies the transfer
* @return MHD result code
*/
static int
execute_admin_add_incoming (struct MHD_Connection *connection,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_Amount *amount,
struct GNUNET_TIME_Absolute execution_time,
const json_t *sender_account_details,
const json_t *transfer_details)
{
struct TALER_EXCHANGEDB_Session *session;
int ret;
void *json_str;
if (NULL == (session = TEH_plugin->get_session (TEH_plugin->cls)))
{
GNUNET_break (0);
return TEH_RESPONSE_reply_internal_db_error (connection,
TALER_EC_DB_SETUP_FAILED);
}
json_str = json_dumps (transfer_details,
JSON_INDENT(2));
if (NULL == json_str)
{
GNUNET_break (0);
return TEH_RESPONSE_reply_internal_db_error (connection,
TALER_EC_PARSER_OUT_OF_MEMORY);
}
ret = TEH_plugin->reserves_in_insert (TEH_plugin->cls,
session,
reserve_pub,
amount,
execution_time,
sender_account_details,
json_str,
strlen (json_str));
free (json_str);
if (GNUNET_SYSERR == ret)
{
GNUNET_break (0);
return TEH_RESPONSE_reply_internal_db_error (connection,
TALER_EC_ADMIN_ADD_INCOMING_DB_STORE);
}
return TEH_RESPONSE_reply_json_pack (connection,
MHD_HTTP_OK,
"{s:s}",
"status",
(GNUNET_OK == ret)
? "NEW"
: "DUP");
}
/**
* Handle a "/admin/add/incoming" request. Parses the
* given "reserve_pub", "amount", "transaction" and "h_wire"
* details and adds the respective transaction to the database.
*
* @param rh context of the handler
* @param connection the MHD connection to handle
* @param[in,out] connection_cls the connection's closure (can be updated)
* @param upload_data upload data
* @param[in,out] upload_data_size number of bytes (left) in @a upload_data
* @return MHD result code
*/
int
TEH_ADMIN_handler_admin_add_incoming (struct TEH_RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size)
{
struct TALER_ReservePublicKeyP reserve_pub;
struct TALER_Amount amount;
struct GNUNET_TIME_Absolute at;
enum TALER_ErrorCode ec;
char *emsg;
json_t *sender_account_details;
json_t *transfer_details;
json_t *root;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_fixed_auto ("reserve_pub", &reserve_pub),
TALER_JSON_spec_amount ("amount", &amount),
GNUNET_JSON_spec_absolute_time ("execution_date", &at),
GNUNET_JSON_spec_json ("sender_account_details", &sender_account_details),
GNUNET_JSON_spec_json ("transfer_details", &transfer_details),
GNUNET_JSON_spec_end ()
};
int res;
res = TEH_PARSE_post_json (connection,
connection_cls,
upload_data,
upload_data_size,
&root);
if (GNUNET_SYSERR == res)
return MHD_NO;
if ( (GNUNET_NO == res) || (NULL == root) )
return MHD_YES;
res = TEH_PARSE_json_data (connection,
root,
spec);
json_decref (root);
if (GNUNET_OK != res)
{
GNUNET_break_op (0);
json_decref (root);
return (GNUNET_SYSERR == res) ? MHD_NO : MHD_YES;
}
if (TALER_EC_NONE !=
(ec = TEH_json_validate_wireformat (sender_account_details,
GNUNET_NO,
&emsg)))
{
GNUNET_JSON_parse_free (spec);
res = TEH_RESPONSE_reply_external_error (connection,
ec,
emsg);
GNUNET_free (emsg);
return res;
}
if (0 != strcasecmp (amount.currency,
TEH_exchange_currency_string))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Exchange uses currency `%s', but /admin/add/incoming tried to use currency `%s'\n",
TEH_exchange_currency_string,
amount.currency);
GNUNET_JSON_parse_free (spec);
return TEH_RESPONSE_reply_arg_invalid (connection,
TALER_EC_ADMIN_ADD_INCOMING_CURRENCY_UNSUPPORTED,
"amount:currency");
}
res = execute_admin_add_incoming (connection,
&reserve_pub,
&amount,
at,
sender_account_details,
transfer_details);
GNUNET_JSON_parse_free (spec);
return res;
}
/* end of taler-exchange-httpd_admin.c */
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