diff options
Diffstat (limited to 'src/backend/taler-merchant-httpd_auditors.c')
| -rw-r--r-- | src/backend/taler-merchant-httpd_auditors.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/src/backend/taler-merchant-httpd_auditors.c b/src/backend/taler-merchant-httpd_auditors.c deleted file mode 100644 index a1d70053..00000000 --- a/src/backend/taler-merchant-httpd_auditors.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - This file is part of TALER - (C) 2014-2021 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 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 taler-merchant-httpd_auditors.c - * @brief logic this HTTPD keeps for each exchange we interact with - * @author Marcello Stanisci - * @author Christian Grothoff - */ -#include "platform.h" -#include <taler/taler_json_lib.h> -#include "taler-merchant-httpd_auditors.h" - -/** - * Our representation of an auditor. - */ -struct Auditor -{ - /** - * Auditor's legal name. - */ - char *name; - - /** - * Auditor's URL. - */ - char *url; - - /** - * Public key of the auditor. - */ - struct TALER_AuditorPublicKeyP public_key; - -}; - - -/** - * Array of the auditors this merchant is willing to accept. - */ -static struct Auditor *auditors; - -/** - * The length of the #auditors array. - */ -static unsigned int nauditors; - -/** - * JSON representation of the auditors accepted by this exchange. - */ -json_t *j_auditors; - - -enum GNUNET_GenericReturnValue -TMH_AUDITORS_check_dk (struct TALER_EXCHANGE_Handle *mh, - const struct TALER_EXCHANGE_DenomPublicKey *dk, - bool exchange_trusted, - unsigned int *hc, - enum TALER_ErrorCode *ec) -{ - const struct TALER_EXCHANGE_Keys *keys; - const struct TALER_EXCHANGE_AuditorInformation *ai; - - if (GNUNET_TIME_absolute_is_past (dk->expire_deposit.abs_time)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Denomination key offered by client has expired for deposits\n"); - *hc = MHD_HTTP_GONE; - *ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_DEPOSIT_EXPIRED; - return GNUNET_SYSERR; /* expired */ - } - if (exchange_trusted) - { - *ec = TALER_EC_NONE; - *hc = MHD_HTTP_OK; - return GNUNET_OK; - } - keys = TALER_EXCHANGE_get_keys (mh); - if (NULL == keys) - { - /* this should never happen, keys should have been successfully - obtained before we even got into this function */ - GNUNET_break (0); - *ec = TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE; - *hc = MHD_HTTP_INTERNAL_SERVER_ERROR; - return GNUNET_SYSERR; - } - for (unsigned int i = 0; i<keys->num_auditors; i++) - { - ai = &keys->auditors[i]; - for (unsigned int j = 0; j<nauditors; j++) - { - if (0 == GNUNET_memcmp (&ai->auditor_pub, - &auditors[j].public_key)) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Found supported auditor `%s' (%s)\n", - auditors[j].name, - TALER_B2S (&auditors[j].public_key)); - } - for (unsigned int k = 0; k<ai->num_denom_keys; k++) - if (&keys->denom_keys[k] == dk) - { - *ec = TALER_EC_NONE; - *hc = MHD_HTTP_OK; - return GNUNET_OK; - } - } - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Denomination key %s offered by client not audited by any accepted auditor\n", - GNUNET_h2s (&dk->h_key.hash)); - *hc = MHD_HTTP_BAD_REQUEST; - *ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_KEY_AUDITOR_FAILURE; - return GNUNET_NO; -} - - -/** - * Function called on each configuration section. Finds sections - * about auditors and parses the entries. - * - * @param cls closure, with a `const struct GNUNET_CONFIGURATION_Handle *` - * @param section name of the section - */ -static void -parse_auditors (void *cls, - const char *section) -{ - const struct GNUNET_CONFIGURATION_Handle *cfg = cls; - char *pks; - struct Auditor auditor; - char *currency; - - if (0 != strncasecmp (section, - "merchant-auditor-", - strlen ("merchant-auditor-"))) - return; - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - section, - "CURRENCY", - ¤cy)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - section, - "CURRENCY"); - return; - } - if (0 != strcasecmp (currency, - TMH_currency)) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Auditor given in section `%s' is for another currency. Skipping.\n", - section); - GNUNET_free (currency); - return; - } - GNUNET_free (currency); - auditor.name = GNUNET_strdup (§ion[strlen ("merchant-auditor-")]); - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - section, - "AUDITOR_BASE_URL", - &auditor.url)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - section, - "URL"); - GNUNET_free (auditor.name); - return; - } - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - section, - "AUDITOR_KEY", - &pks)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - section, - "AUDITOR_KEY"); - GNUNET_free (auditor.name); - GNUNET_free (auditor.url); - return; - } - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_public_key_from_string (pks, - strlen (pks), - &auditor.public_key.eddsa_pub)) - { - GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR, - section, - "AUDITOR_KEY", - "need a valid EdDSA public key"); - GNUNET_free (auditor.name); - GNUNET_free (auditor.url); - GNUNET_free (pks); - return; - } - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Loaded key data of auditor `%s' (%s)\n", - auditor.name, - TALER_B2S (&auditor.public_key)); - GNUNET_free (pks); - GNUNET_array_append (auditors, - nauditors, - auditor); -} - - -int -TMH_AUDITORS_init (const struct GNUNET_CONFIGURATION_Handle *cfg) -{ - GNUNET_CONFIGURATION_iterate_sections (cfg, - &parse_auditors, - (void *) cfg); - - /* Generate preferred exchange(s) array. */ - j_auditors = json_array (); - for (unsigned int cnt = 0; cnt < nauditors; cnt++) - GNUNET_assert (0 == - json_array_append_new ( - j_auditors, - GNUNET_JSON_PACK ( - GNUNET_JSON_pack_string ("name", - auditors[cnt].name), - GNUNET_JSON_pack_data_auto ("auditor_pub", - &auditors[cnt].public_key), - GNUNET_JSON_pack_string ("url", - auditors[cnt].url)))); - return nauditors; -} - - -/** - * Release auditor information state. - */ -void -TMH_AUDITORS_done () -{ - json_decref (j_auditors); - j_auditors = NULL; - for (unsigned int i = 0; i<nauditors; i++) - { - GNUNET_free (auditors[i].name); - GNUNET_free (auditors[i].url); - } - GNUNET_free (auditors); - auditors = NULL; - nauditors = 0; -} - - -/* end of taler-merchant-httpd_auditors.c */ |