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Diffstat (limited to 'src/lib/auditor_api_exchanges.c')
-rw-r--r-- | src/lib/auditor_api_exchanges.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/src/lib/auditor_api_exchanges.c b/src/lib/auditor_api_exchanges.c deleted file mode 100644 index 1988c2faf..000000000 --- a/src/lib/auditor_api_exchanges.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 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/auditor_api_exchanges.c - * @brief Implementation of the /exchanges request of the auditor's HTTP API - * @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_json_lib.h" -#include "taler_auditor_service.h" -#include "taler_util.h" -#include "taler_curl_lib.h" -#include "taler_signatures.h" -#include "auditor_api_curl_defaults.h" - -/** - * How many exchanges do we allow a single auditor to - * audit at most? - */ -#define MAX_EXCHANGES 1024 - - -/** - * @brief A ListExchanges Handle - */ -struct TALER_AUDITOR_ListExchangesHandle -{ - - /** - * The url for this request. - */ - char *url; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_AUDITOR_ListExchangesResultCallback cb; - - /** - * Closure for @a cb. - */ - void *cb_cls; - -}; - - -/** - * Function called when we're done processing the - * HTTP /exchanges request. - * - * @param cls the `struct TALER_AUDITOR_ListExchangesHandle` - * @param response_code HTTP response code, 0 on error - * @param djson parsed JSON result, NULL on error - */ -static void -handle_exchanges_finished (void *cls, - long response_code, - const void *djson) -{ - const json_t *json = djson; - const json_t *ja; - unsigned int ja_len; - struct TALER_AUDITOR_ListExchangesHandle *leh = cls; - struct TALER_AUDITOR_ListExchangesResponse ler = { - .hr.reply = json, - .hr.http_status = (unsigned int) response_code - }; - - leh->job = NULL; - switch (response_code) - { - case 0: - ler.hr.ec = TALER_EC_GENERIC_INVALID_RESPONSE; - break; - case MHD_HTTP_OK: - ja = json_object_get (json, - "exchanges"); - if ( (NULL == ja) || - (! json_is_array (ja)) ) - { - GNUNET_break (0); - ler.hr.ec = TALER_EC_GENERIC_REPLY_MALFORMED; - ler.hr.http_status = 0; - break; - } - - ja_len = json_array_size (ja); - if (ja_len > MAX_EXCHANGES) - { - GNUNET_break (0); - ler.hr.ec = TALER_EC_GENERIC_REPLY_MALFORMED; - ler.hr.http_status = 0; - break; - } - { - struct TALER_AUDITOR_ExchangeInfo ei[GNUNET_NZL (ja_len)]; - bool ok = true; - - for (unsigned int i = 0; i<ja_len; i++) - { - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("master_pub", - &ei[i].master_pub), - TALER_JSON_spec_web_url ("exchange_url", - &ei[i].exchange_url), - GNUNET_JSON_spec_end () - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json_array_get (ja, - i), - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - ok = false; - ler.hr.ec = TALER_EC_GENERIC_REPLY_MALFORMED; - ler.hr.http_status = 0; - break; - } - } - if (! ok) - break; - ler.details.ok.ei = ei; - ler.details.ok.num_exchanges = ja_len; - leh->cb (leh->cb_cls, - &ler); - TALER_AUDITOR_list_exchanges_cancel (leh); - return; - } - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the auditor is buggy - (or API version conflict); just pass JSON reply to the application */ - ler.hr.ec = TALER_JSON_get_error_code (json); - ler.hr.hint = TALER_JSON_get_error_hint (json); - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, this should never - happen, we should pass the JSON reply to the application */ - ler.hr.ec = TALER_JSON_get_error_code (json); - ler.hr.hint = TALER_JSON_get_error_hint (json); - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - ler.hr.ec = TALER_JSON_get_error_code (json); - ler.hr.hint = TALER_JSON_get_error_hint (json); - break; - default: - /* unexpected response code */ - ler.hr.ec = TALER_JSON_get_error_code (json); - ler.hr.hint = TALER_JSON_get_error_hint (json); - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u/%d for auditor list-exchanges request\n", - (unsigned int) response_code, - (int) ler.hr.ec); - GNUNET_break_op (0); - break; - } - if (NULL != leh->cb) - leh->cb (leh->cb_cls, - &ler); - TALER_AUDITOR_list_exchanges_cancel (leh); -} - - -struct TALER_AUDITOR_ListExchangesHandle * -TALER_AUDITOR_list_exchanges (struct GNUNET_CURL_Context *ctx, - const char *url, - TALER_AUDITOR_ListExchangesResultCallback cb, - void *cb_cls) -{ - struct TALER_AUDITOR_ListExchangesHandle *leh; - CURL *eh; - - leh = GNUNET_new (struct TALER_AUDITOR_ListExchangesHandle); - leh->cb = cb; - leh->cb_cls = cb_cls; - leh->url = TALER_url_join (url, - "exchanges", - NULL); - if (NULL == leh->url) - { - GNUNET_free (leh); - return NULL; - } - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "URL for list-exchanges: `%s'\n", - leh->url); - eh = TALER_AUDITOR_curl_easy_get_ (leh->url); - if (NULL == eh) - { - GNUNET_break (0); - GNUNET_free (leh->url); - GNUNET_free (leh); - return NULL; - } - leh->job = GNUNET_CURL_job_add (ctx, - eh, - &handle_exchanges_finished, - leh); - return leh; -} - - -void -TALER_AUDITOR_list_exchanges_cancel ( - struct TALER_AUDITOR_ListExchangesHandle *leh) -{ - if (NULL != leh->job) - { - GNUNET_CURL_job_cancel (leh->job); - leh->job = NULL; - } - GNUNET_free (leh->url); - GNUNET_free (leh); -} - - -/* end of auditor_api_exchanges.c */ |