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Diffstat (limited to 'src/bank-lib/bank_api_reject.c')
| -rw-r--r-- | src/bank-lib/bank_api_reject.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/src/bank-lib/bank_api_reject.c b/src/bank-lib/bank_api_reject.c deleted file mode 100644 index 3f181bc3..00000000 --- a/src/bank-lib/bank_api_reject.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2015, 2016, 2017 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/bank_api_reject.c - * @brief Implementation of the /reject request of the bank's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include "bank_api_common.h" -#include <microhttpd.h> /* just for HTTP status codes */ -#include "taler_signatures.h" - - -/** - * @brief A /reject Handle - */ -struct TALER_BANK_RejectHandle -{ - - /** - * The url for this request. - */ - char *request_url; - - /** - * JSON encoding of the request to POST. - */ - char *json_enc; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * HTTP authentication-related headers for the request. - */ - struct curl_slist *authh; - - /** - * Function to call with the result. - */ - TALER_BANK_RejectResultCallback cb; - - /** - * Closure for @a cb. - */ - void *cb_cls; - -}; - - -/** - * Function called when we're done processing the - * HTTP /reject request. - * - * @param cls the `struct TALER_BANK_RejectHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_reject_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_BANK_RejectHandle *rh = cls; - enum TALER_ErrorCode ec; - const json_t *j = response; - - rh->job = NULL; - switch (response_code) - { - case 0: - ec = TALER_EC_INVALID_RESPONSE; - break; - case MHD_HTTP_OK: - GNUNET_break_op (0); - response_code = 0; - ec = TALER_EC_INVALID_RESPONSE; - break; - case MHD_HTTP_NO_CONTENT: - ec = TALER_EC_NONE; - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the bank is buggy - (or API version conflict); just pass JSON reply to the application */ - ec = TALER_BANK_parse_ec_ (j); - break; - case MHD_HTTP_FORBIDDEN: - /* Access denied */ - ec = TALER_BANK_parse_ec_ (j); - break; - case MHD_HTTP_UNAUTHORIZED: - /* Nothing really to verify, bank says one of the signatures is - invalid; as we checked them, this should never happen, we - should pass the JSON reply to the application */ - ec = TALER_BANK_parse_ec_ (j); - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, this should never - happen, we should pass the JSON reply to the application */ - ec = TALER_BANK_parse_ec_ (j); - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - ec = TALER_BANK_parse_ec_ (j); - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - ec = TALER_BANK_parse_ec_ (j); - response_code = 0; - break; - } - rh->cb (rh->cb_cls, - response_code, - ec); - TALER_BANK_reject_cancel (rh); -} - - -/** - * Request rejection of a wire transfer, marking it as cancelled and voiding - * its effects. - * - * @param ctx curl context for the event loop - * @param bank_base_url URL of the bank (used to execute this request) - * @param auth authentication data to use - * @param account_number which account number should we query - * @param rowid transfer to reject - * @param rcb the callback to call with the operation result - * @param rcb_cls closure for @a rcb - * @return NULL - * if the inputs are invalid. - * In this case, the callback is not called. - */ -struct TALER_BANK_RejectHandle * -TALER_BANK_reject (struct GNUNET_CURL_Context *ctx, - const char *bank_base_url, - const struct TALER_BANK_AuthenticationData *auth, - uint64_t account_number, - uint64_t rowid, - TALER_BANK_RejectResultCallback rcb, - void *rcb_cls) -{ - struct TALER_BANK_RejectHandle *rh; - json_t *reject_obj; - CURL *eh; - - reject_obj = json_pack ("{s:{s:s}, s:I, s:I}", - "auth", "type", "basic", - "row_id", (json_int_t) rowid, - "account_number", (json_int_t) account_number); - if (NULL == reject_obj) - { - GNUNET_break (0); - return NULL; - } - rh = GNUNET_new (struct TALER_BANK_RejectHandle); - rh->cb = rcb; - rh->cb_cls = rcb_cls; - rh->request_url = TALER_BANK_path_to_url_ (bank_base_url, - "/reject"); - rh->authh = TALER_BANK_make_auth_header_ (auth); - /* Append content type header here, can't do it in GNUNET_CURL_job_add - as that would override the CURLOPT_HTTPHEADER instead of appending. */ - { - struct curl_slist *ext; - - ext = curl_slist_append (rh->authh, - "Content-Type: application/json"); - if (NULL == ext) - GNUNET_break (0); - else - rh->authh = ext; - } - eh = curl_easy_init (); - GNUNET_assert (NULL != (rh->json_enc = - json_dumps (reject_obj, - JSON_COMPACT))); - json_decref (reject_obj); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_URL, - rh->request_url)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDS, - rh->json_enc)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDSIZE, - strlen (rh->json_enc))); - rh->job = GNUNET_CURL_job_add2 (ctx, - eh, - rh->authh, - &handle_reject_finished, - rh); - return rh; -} - - -/** - * Cancel an reject request. This function cannot be used on a request - * handle if the response was is already served for it. - * - * @param rh the reject request handle - */ -void -TALER_BANK_reject_cancel (struct TALER_BANK_RejectHandle *rh) -{ - if (NULL != rh->job) - { - GNUNET_CURL_job_cancel (rh->job); - rh->job = NULL; - } - curl_slist_free_all (rh->authh); - GNUNET_free (rh->request_url); - GNUNET_free (rh->json_enc); - GNUNET_free (rh); -} - - -/* end of bank_api_reject.c */ |