Line data    Source code

       1              : /*
       2              :   This file is part of TALER
       3              :   (C) 2022-2024 Taler Systems SA
       4              : 
       5              :   TALER is free software; you can redistribute it and/or modify it under the
       6              :   terms of the GNU Affero General Public License as published by the Free Software
       7              :   Foundation; either version 3, or (at your option) any later version.
       8              : 
       9              :   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
      10              :   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
      11              :   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
      12              : 
      13              :   You should have received a copy of the GNU General Public License along with
      14              :   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
      15              : */
      16              : /**
      17              :  * @file src/backend/taler-merchant-httpd_get-private-otp-devices-DEVICE_ID.c
      18              :  * @brief implement GET /otp-devices/$ID
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "platform.h"
      22              : #include "taler-merchant-httpd_get-private-otp-devices-DEVICE_ID.h"
      23              : #include <taler/taler_json_lib.h>
      24              : #include "merchant-database/get_otp_device.h"
      25              : 
      26              : 
      27              : /**
      28              :  * Handle a GET "/otp-devices/$ID" request.
      29              :  *
      30              :  * @param rh context of the handler
      31              :  * @param connection the MHD connection to handle
      32              :  * @param[in,out] hc context with further information about the request
      33              :  * @return MHD result code
      34              :  */
      35              : enum MHD_Result
      36            0 : TMH_private_get_otp_devices_ID (const struct TMH_RequestHandler *rh,
      37              :                                 struct MHD_Connection *connection,
      38              :                                 struct TMH_HandlerContext *hc)
      39              : {
      40            0 :   struct TMH_MerchantInstance *mi = hc->instance;
      41            0 :   struct TALER_MERCHANTDB_OtpDeviceDetails tp = { 0 };
      42              :   enum GNUNET_DB_QueryStatus qs;
      43            0 :   uint64_t faketime_s
      44            0 :     = GNUNET_TIME_timestamp_to_s (GNUNET_TIME_timestamp_get ());
      45              :   struct GNUNET_TIME_Timestamp my_time;
      46              :   struct TALER_Amount price;
      47              : 
      48            0 :   TALER_MHD_parse_request_number (connection,
      49              :                                   "faketime",
      50              :                                   &faketime_s);
      51            0 :   memset (&price,
      52              :           0,
      53              :           sizeof (price));
      54            0 :   TALER_MHD_parse_request_amount (connection,
      55              :                                   "price",
      56              :                                   &price);
      57            0 :   my_time = GNUNET_TIME_timestamp_from_s (faketime_s);
      58            0 :   GNUNET_assert (NULL != mi);
      59            0 :   qs = TALER_MERCHANTDB_get_otp_device (TMH_db,
      60            0 :                                         mi->settings.id,
      61            0 :                                         hc->infix,
      62              :                                         &tp);
      63            0 :   if (0 > qs)
      64              :   {
      65            0 :     GNUNET_break (0);
      66            0 :     return TALER_MHD_reply_with_error (connection,
      67              :                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
      68              :                                        TALER_EC_GENERIC_DB_FETCH_FAILED,
      69              :                                        "get_otp_device");
      70              :   }
      71            0 :   if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
      72              :   {
      73            0 :     return TALER_MHD_reply_with_error (connection,
      74              :                                        MHD_HTTP_NOT_FOUND,
      75              :                                        TALER_EC_MERCHANT_GENERIC_OTP_DEVICE_UNKNOWN,
      76            0 :                                        hc->infix);
      77              :   }
      78              :   {
      79              :     enum MHD_Result ret;
      80              :     char *pos_confirmation;
      81              : 
      82            0 :     pos_confirmation = (NULL == tp.otp_key)
      83              :       ? NULL
      84            0 :       : TALER_build_pos_confirmation (tp.otp_key,
      85              :                                       tp.otp_algorithm,
      86              :                                       &price,
      87              :                                       my_time);
      88              :     /* Note: we deliberately (by design) do not return the otp_key */
      89            0 :     ret = TALER_MHD_REPLY_JSON_PACK (
      90              :       connection,
      91              :       MHD_HTTP_OK,
      92              :       GNUNET_JSON_pack_string ("device_description",
      93              :                                tp.otp_description),
      94              :       GNUNET_JSON_pack_allow_null (
      95              :         GNUNET_JSON_pack_string ("otp_code",
      96              :                                  pos_confirmation)),
      97              :       GNUNET_JSON_pack_uint64 ("otp_timestamp",
      98              :                                faketime_s),
      99              :       GNUNET_JSON_pack_uint64 ("otp_algorithm",
     100              :                                tp.otp_algorithm),
     101              :       GNUNET_JSON_pack_uint64 ("otp_ctr",
     102              :                                tp.otp_ctr));
     103            0 :     GNUNET_free (pos_confirmation);
     104            0 :     GNUNET_free (tp.otp_description);
     105            0 :     GNUNET_free (tp.otp_key);
     106            0 :     return ret;
     107              :   }
     108              : }
     109              : 
     110              : 
     111              : /* end of taler-merchant-httpd_get-private-otp-devices-DEVICE_ID.c */