diff options
Diffstat (limited to 'src/exchange/taler-exchange-httpd_contract.c')
-rw-r--r-- | src/exchange/taler-exchange-httpd_contract.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/exchange/taler-exchange-httpd_contract.c b/src/exchange/taler-exchange-httpd_contract.c new file mode 100644 index 000000000..defb7816d --- /dev/null +++ b/src/exchange/taler-exchange-httpd_contract.c @@ -0,0 +1,99 @@ +/* + 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 */ |