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 taler-merchant-httpd_private-get-otp-devices-ID.c
      18              :  * @brief implement GET /otp-devices/$ID
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "platform.h"
      22              : #include "taler-merchant-httpd_private-get-otp-devices-ID.h"
      23              : #include <taler/taler_json_lib.h>
      24              : 
      25              : 
      26              : /**
      27              :  * Handle a GET "/otp-devices/$ID" request.
      28              :  *
      29              :  * @param rh context of the handler
      30              :  * @param connection the MHD connection to handle
      31              :  * @param[in,out] hc context with further information about the request
      32              :  * @return MHD result code
      33              :  */
      34              : MHD_RESULT
      35            0 : TMH_private_get_otp_devices_ID (const struct TMH_RequestHandler *rh,
      36              :                                 struct MHD_Connection *connection,
      37              :                                 struct TMH_HandlerContext *hc)
      38              : {
      39            0 :   struct TMH_MerchantInstance *mi = hc->instance;
      40            0 :   struct TALER_MERCHANTDB_OtpDeviceDetails tp = { 0 };
      41              :   enum GNUNET_DB_QueryStatus qs;
      42            0 :   uint64_t faketime_s
      43            0 :     = GNUNET_TIME_timestamp_to_s (GNUNET_TIME_timestamp_get ());
      44              :   struct GNUNET_TIME_Timestamp my_time;
      45              :   struct TALER_Amount price;
      46              : 
      47            0 :   TALER_MHD_parse_request_number (connection,
      48              :                                   "faketime",
      49              :                                   &faketime_s);
      50            0 :   memset (&price,
      51              :           0,
      52              :           sizeof (price));
      53            0 :   TALER_MHD_parse_request_amount (connection,
      54              :                                   "price",
      55              :                                   &price);
      56            0 :   my_time = GNUNET_TIME_timestamp_from_s (faketime_s);
      57            0 :   GNUNET_assert (NULL != mi);
      58            0 :   qs = TMH_db->select_otp (TMH_db->cls,
      59            0 :                            mi->settings.id,
      60            0 :                            hc->infix,
      61              :                            &tp);
      62            0 :   if (0 > qs)
      63              :   {
      64            0 :     GNUNET_break (0);
      65            0 :     return TALER_MHD_reply_with_error (connection,
      66              :                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
      67              :                                        TALER_EC_GENERIC_DB_FETCH_FAILED,
      68              :                                        "select_otp");
      69              :   }
      70            0 :   if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
      71              :   {
      72            0 :     return TALER_MHD_reply_with_error (connection,
      73              :                                        MHD_HTTP_NOT_FOUND,
      74              :                                        TALER_EC_MERCHANT_GENERIC_OTP_DEVICE_UNKNOWN,
      75            0 :                                        hc->infix);
      76              :   }
      77              :   {
      78              :     MHD_RESULT ret;
      79              :     char *pos_confirmation;
      80              : 
      81            0 :     pos_confirmation = (NULL == tp.otp_key)
      82              :       ? NULL
      83            0 :       : TALER_build_pos_confirmation (tp.otp_key,
      84              :                                       tp.otp_algorithm,
      85              :                                       &price,
      86              :                                       my_time);
      87              :     /* Note: we deliberately (by design) do not return the otp_key */
      88            0 :     ret = TALER_MHD_REPLY_JSON_PACK (
      89              :       connection,
      90              :       MHD_HTTP_OK,
      91              :       GNUNET_JSON_pack_string ("device_description",
      92              :                                tp.otp_description),
      93              :       GNUNET_JSON_pack_allow_null (
      94              :         GNUNET_JSON_pack_string ("otp_code",
      95              :                                  pos_confirmation)),
      96              :       GNUNET_JSON_pack_uint64 ("otp_timestamp",
      97              :                                faketime_s),
      98              :       GNUNET_JSON_pack_uint64 ("otp_algorithm",
      99              :                                tp.otp_algorithm),
     100              :       GNUNET_JSON_pack_uint64 ("otp_ctr",
     101              :                                tp.otp_ctr));
     102            0 :     GNUNET_free (pos_confirmation);
     103            0 :     GNUNET_free (tp.otp_description);
     104            0 :     GNUNET_free (tp.otp_key);
     105            0 :     return ret;
     106              :   }
     107              : }
     108              : 
     109              : 
     110              : /* end of taler-merchant-httpd_private-get-otp-devices-ID.c */