diff options
Diffstat (limited to 'src/exchange/taler-exchange-httpd_wire.c')
| -rw-r--r-- | src/exchange/taler-exchange-httpd_wire.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/exchange/taler-exchange-httpd_wire.c b/src/exchange/taler-exchange-httpd_wire.c new file mode 100644 index 00000000..faf018b9 --- /dev/null +++ b/src/exchange/taler-exchange-httpd_wire.c @@ -0,0 +1,220 @@ +/* + This file is part of TALER + Copyright (C) 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, If not, see <http://www.gnu.org/licenses/> +*/ +/** + * @file taler-exchange-httpd_wire.c + * @brief Handle /wire requests + * @author Christian Grothoff + */ +#include "platform.h" +#include "taler-exchange-httpd_keystate.h" +#include "taler-exchange-httpd_responses.h" +#include "taler-exchange-httpd_validation.h" +#include "taler-exchange-httpd_wire.h" +#include <jansson.h> + +/** + * Handle a "/wire" request. + * + * @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 +TMH_WIRE_handler_wire (struct TMH_RequestHandler *rh, + struct MHD_Connection *connection, + void **connection_cls, + const char *upload_data, + size_t *upload_data_size) +{ + struct TALER_ExchangeWireSupportMethodsPS wsm; + struct TALER_ExchangePublicKeyP pub; + struct TALER_ExchangeSignatureP sig; + json_t *methods; + + wsm.purpose.size = htonl (sizeof (wsm)); + wsm.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_WIRE_TYPES); + methods = TMH_VALIDATION_get_methods (&wsm.h_wire_types); + TMH_KS_sign (&wsm.purpose, + &pub, + &sig); + return TMH_RESPONSE_reply_json_pack (connection, + MHD_HTTP_OK, + "{s:o, s:o, s:o}", + "methods", methods, + "sig", TALER_json_from_data (&sig, + sizeof (sig)), + "pub", TALER_json_from_data (&pub, + sizeof (pub))); +} + + +/** + * Handle a "/wire/test" request. + * + * @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 +TMH_WIRE_handler_wire_test (struct TMH_RequestHandler *rh, + struct MHD_Connection *connection, + void **connection_cls, + const char *upload_data, + size_t *upload_data_size) +{ + struct MHD_Response *response; + int ret; + char *wire_test_redirect; + + response = MHD_create_response_from_buffer (0, NULL, + MHD_RESPMEM_PERSISTENT); + if (NULL == response) + { + GNUNET_break (0); + return MHD_NO; + } + TMH_RESPONSE_add_global_headers (response); + if (GNUNET_NO == TMH_VALIDATION_test_method ("test")) + { + /* Return 501: not implemented */ + ret = MHD_queue_response (connection, + MHD_HTTP_NOT_IMPLEMENTED, + response); + MHD_destroy_response (response); + return ret; + } + if (GNUNET_OK != + GNUNET_CONFIGURATION_get_value_string (cfg, + "wire-test", + "REDIRECT_URL", + &wire_test_redirect)) + { + /* oopsie, configuration error */ + MHD_destroy_response (response); + return TMH_RESPONSE_reply_internal_error (connection, + "REDIRECT_URL not configured"); + } + MHD_add_response_header (response, + MHD_HTTP_HEADER_LOCATION, + wire_test_redirect); + GNUNET_free (wire_test_redirect); + ret = MHD_queue_response (connection, + rh->response_code, + response); + MHD_destroy_response (response); + return ret; +} + + +/** + * Handle a "/wire/sepa" request. + * + * @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 +TMH_WIRE_handler_wire_sepa (struct TMH_RequestHandler *rh, + struct MHD_Connection *connection, + void **connection_cls, + const char *upload_data, + size_t *upload_data_size) +{ + struct MHD_Response *response; + int ret; + char *sepa_wire_file; + int fd; + struct stat sbuf; + + if (GNUNET_NO == TMH_VALIDATION_test_method ("sepa")) + { + /* Return 501: not implemented */ + response = MHD_create_response_from_buffer (0, NULL, + MHD_RESPMEM_PERSISTENT); + if (NULL == response) + { + GNUNET_break (0); + return MHD_NO; + } + TMH_RESPONSE_add_global_headers (response); + ret = MHD_queue_response (connection, + MHD_HTTP_NOT_IMPLEMENTED, + response); + MHD_destroy_response (response); + return ret; + } + /* Fetch reply */ + if (GNUNET_OK != + GNUNET_CONFIGURATION_get_value_filename (cfg, + "wire-sepa", + "SEPA_RESPONSE_FILE", + &sepa_wire_file)) + { + return TMH_RESPONSE_reply_internal_error (connection, + "SEPA_RESPONSE_FILE not configured"); + } + fd = open (sepa_wire_file, + O_RDONLY); + if (-1 == fd) + { + GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, + "open", + sepa_wire_file); + GNUNET_free (sepa_wire_file); + return TMH_RESPONSE_reply_internal_error (connection, + "Failed to open SEPA_RESPONSE_FILE"); + } + if (0 != fstat (fd, &sbuf)) + { + GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, + "fstat", + sepa_wire_file); + (void) close (fd); + GNUNET_free (sepa_wire_file); + return TMH_RESPONSE_reply_internal_error (connection, + "Failed to open SEPA_RESPONSE_FILE"); + } + response = MHD_create_response_from_fd ((size_t) sbuf.st_size, + fd); + GNUNET_free (sepa_wire_file); + if (NULL == response) + { + (void) close (fd); + GNUNET_break (0); + return MHD_NO; + } + TMH_RESPONSE_add_global_headers (response); + if (NULL != rh->mime_type) + (void) MHD_add_response_header (response, + MHD_HTTP_HEADER_CONTENT_TYPE, + rh->mime_type); + ret = MHD_queue_response (connection, + rh->response_code, + response); + MHD_destroy_response (response); + return ret; +} + +/* end of taler-exchange-httpd_wire.c */ |