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 */