diff options
Diffstat (limited to 'src/lib/exchange_api_reserves_status.c')
| -rw-r--r-- | src/lib/exchange_api_reserves_status.c | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/src/lib/exchange_api_reserves_status.c b/src/lib/exchange_api_reserves_status.c deleted file mode 100644 index 35f5846f3..000000000 --- a/src/lib/exchange_api_reserves_status.c +++ /dev/null @@ -1,343 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2022 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 lib/exchange_api_reserves_status.c - * @brief Implementation of the POST /reserves/$RESERVE_PUB/status requests - * @author Christian Grothoff - */ -#include "platform.h" -#include <jansson.h> -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_json_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_exchange_service.h" -#include "taler_json_lib.h" -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "exchange_api_curl_defaults.h" - - -/** - * @brief A /reserves/$RID/status Handle - */ -struct TALER_EXCHANGE_ReservesStatusHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Context for #TEH_curl_easy_post(). Keeps the data that must - * persist for Curl to make the upload. - */ - struct TALER_CURL_PostContext post_ctx; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_ReservesStatusCallback cb; - - /** - * Public key of the reserve we are querying. - */ - struct TALER_ReservePublicKeyP reserve_pub; - - /** - * Closure for @a cb. - */ - void *cb_cls; - -}; - - -/** - * We received an #MHD_HTTP_OK status code. Handle the JSON - * response. - * - * @param rsh handle of the request - * @param j JSON response - * @return #GNUNET_OK on success - */ -static enum GNUNET_GenericReturnValue -handle_reserves_status_ok (struct TALER_EXCHANGE_ReservesStatusHandle *rsh, - const json_t *j) -{ - json_t *history; - unsigned int len; - struct TALER_EXCHANGE_ReserveStatus rs = { - .hr.reply = j, - .hr.http_status = MHD_HTTP_OK - }; - struct GNUNET_JSON_Specification spec[] = { - TALER_JSON_spec_amount_any ("balance", - &rs.details.ok.balance), - GNUNET_JSON_spec_bool ("kyc_passed", - &rs.details.ok.kyc_ok), - GNUNET_JSON_spec_json ("history", - &history), - GNUNET_JSON_spec_end () - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (j, - spec, - NULL, - NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - len = json_array_size (history); - { - struct TALER_EXCHANGE_ReserveHistoryEntry *rhistory; - - rhistory = GNUNET_new_array (len, - struct TALER_EXCHANGE_ReserveHistoryEntry); - if (GNUNET_OK != - TALER_EXCHANGE_parse_reserve_history (rsh->exchange, - history, - &rsh->reserve_pub, - rs.details.ok.balance.currency, - &rs.details.ok.total_in, - &rs.details.ok.total_out, - len, - rhistory)) - { - GNUNET_break_op (0); - TALER_EXCHANGE_free_reserve_history (rhistory, - len); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - if (NULL != rsh->cb) - { - rs.details.ok.history = rhistory; - rs.details.ok.history_len = len; - rsh->cb (rsh->cb_cls, - &rs); - rsh->cb = NULL; - } - TALER_EXCHANGE_free_reserve_history (rhistory, - len); - } - GNUNET_JSON_parse_free (spec); - return GNUNET_OK; -} - - -/** - * Function called when we're done processing the - * HTTP /reserves/$RID/status request. - * - * @param cls the `struct TALER_EXCHANGE_ReservesStatusHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_reserves_status_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_ReservesStatusHandle *rsh = cls; - const json_t *j = response; - struct TALER_EXCHANGE_ReserveStatus rs = { - .hr.reply = j, - .hr.http_status = (unsigned int) response_code - }; - - rsh->job = NULL; - switch (response_code) - { - case 0: - rs.hr.ec = TALER_EC_GENERIC_INVALID_RESPONSE; - break; - case MHD_HTTP_OK: - if (GNUNET_OK != - handle_reserves_status_ok (rsh, - j)) - { - rs.hr.http_status = 0; - rs.hr.ec = TALER_EC_GENERIC_REPLY_MALFORMED; - } - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - GNUNET_break (0); - rs.hr.ec = TALER_JSON_get_error_code (j); - rs.hr.hint = TALER_JSON_get_error_hint (j); - break; - case MHD_HTTP_FORBIDDEN: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - GNUNET_break (0); - rs.hr.ec = TALER_JSON_get_error_code (j); - rs.hr.hint = TALER_JSON_get_error_hint (j); - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, this should never - happen, we should pass the JSON reply to the application */ - rs.hr.ec = TALER_JSON_get_error_code (j); - rs.hr.hint = TALER_JSON_get_error_hint (j); - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - rs.hr.ec = TALER_JSON_get_error_code (j); - rs.hr.hint = TALER_JSON_get_error_hint (j); - break; - default: - /* unexpected response code */ - GNUNET_break_op (0); - rs.hr.ec = TALER_JSON_get_error_code (j); - rs.hr.hint = TALER_JSON_get_error_hint (j); - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u/%d for reserves status\n", - (unsigned int) response_code, - (int) rs.hr.ec); - break; - } - if (NULL != rsh->cb) - { - rsh->cb (rsh->cb_cls, - &rs); - rsh->cb = NULL; - } - TALER_EXCHANGE_reserves_status_cancel (rsh); -} - - -struct TALER_EXCHANGE_ReservesStatusHandle * -TALER_EXCHANGE_reserves_status ( - struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_ReservePrivateKeyP *reserve_priv, - TALER_EXCHANGE_ReservesStatusCallback cb, - void *cb_cls) -{ - struct TALER_EXCHANGE_ReservesStatusHandle *rsh; - struct GNUNET_CURL_Context *ctx; - CURL *eh; - char arg_str[sizeof (struct TALER_ReservePublicKeyP) * 2 + 32]; - struct TALER_ReserveSignatureP reserve_sig; - struct GNUNET_TIME_Timestamp ts - = GNUNET_TIME_timestamp_get (); - - if (GNUNET_YES != - TEAH_handle_is_ready (exchange)) - { - GNUNET_break (0); - return NULL; - } - rsh = GNUNET_new (struct TALER_EXCHANGE_ReservesStatusHandle); - rsh->exchange = exchange; - rsh->cb = cb; - rsh->cb_cls = cb_cls; - GNUNET_CRYPTO_eddsa_key_get_public (&reserve_priv->eddsa_priv, - &rsh->reserve_pub.eddsa_pub); - { - char pub_str[sizeof (struct TALER_ReservePublicKeyP) * 2]; - char *end; - - end = GNUNET_STRINGS_data_to_string ( - &rsh->reserve_pub, - sizeof (rsh->reserve_pub), - pub_str, - sizeof (pub_str)); - *end = '\0'; - GNUNET_snprintf (arg_str, - sizeof (arg_str), - "/reserves/%s/status", - pub_str); - } - rsh->url = TEAH_path_to_url (exchange, - arg_str); - if (NULL == rsh->url) - { - GNUNET_free (rsh); - return NULL; - } - eh = TALER_EXCHANGE_curl_easy_get_ (rsh->url); - if (NULL == eh) - { - GNUNET_break (0); - GNUNET_free (rsh->url); - GNUNET_free (rsh); - return NULL; - } - TALER_wallet_reserve_status_sign (ts, - reserve_priv, - &reserve_sig); - { - json_t *status_obj = GNUNET_JSON_PACK ( - GNUNET_JSON_pack_timestamp ("request_timestamp", - ts), - GNUNET_JSON_pack_data_auto ("reserve_sig", - &reserve_sig)); - - if (GNUNET_OK != - TALER_curl_easy_post (&rsh->post_ctx, - eh, - status_obj)) - { - GNUNET_break (0); - curl_easy_cleanup (eh); - json_decref (status_obj); - GNUNET_free (rsh->url); - GNUNET_free (rsh); - return NULL; - } - json_decref (status_obj); - } - ctx = TEAH_handle_to_context (exchange); - rsh->job = GNUNET_CURL_job_add2 (ctx, - eh, - rsh->post_ctx.headers, - &handle_reserves_status_finished, - rsh); - return rsh; -} - - -void -TALER_EXCHANGE_reserves_status_cancel ( - struct TALER_EXCHANGE_ReservesStatusHandle *rsh) -{ - if (NULL != rsh->job) - { - GNUNET_CURL_job_cancel (rsh->job); - rsh->job = NULL; - } - TALER_curl_easy_post_finished (&rsh->post_ctx); - GNUNET_free (rsh->url); - GNUNET_free (rsh); -} - - -/* end of exchange_api_reserves_status.c */ |