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Base system with REST service to issue digital coins, run by the payment service provider
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taler-auditor-httpd_delete-generic.c (3721B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 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 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 #include <gnunet/gnunet_util_lib.h>
     17 #include <gnunet/gnunet_json_lib.h>
     18 #include <jansson.h>
     19 #include <microhttpd.h>
     20 #include <pthread.h>
     21 #include "taler/taler_json_lib.h"
     22 #include "taler/taler_mhd_lib.h"
     23 #include "taler-auditor-httpd.h"
     24 #include "taler-auditor-httpd_delete-generic.h"
     25 #include "auditor-database/delete_generic.h"
     26 #include "auditor-database/preflight.h"
     27 
     28 
     29 enum MHD_Result
     30 TAH_delete_generic (
     31   struct TAH_RequestHandler *rh,
     32   struct MHD_Connection *connection,
     33   void **connection_cls,
     34   const char *upload_data,
     35   size_t *upload_data_size,
     36   const char *const args[])
     37 {
     38   enum GNUNET_DB_QueryStatus qs;
     39   unsigned long long row_id;
     40   char dummy;
     41 
     42   (void) connection_cls;
     43   if (GNUNET_SYSERR ==
     44       TALER_AUDITORDB_preflight (TAH_apg))
     45   {
     46     GNUNET_break (0);
     47     return TALER_MHD_reply_with_error (connection,
     48                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     49                                        TALER_EC_GENERIC_DB_SETUP_FAILED,
     50                                        NULL);
     51   }
     52 
     53   /* The URL is "/monitoring/$TABLE/$ROW_ID", so the row ID is args[2]. */
     54   if ((NULL == args[2]) ||
     55       (1 != sscanf (args[2],
     56                     "%llu%c",
     57                     &row_id,
     58                     &dummy)) ||
     59       (row_id > TAH_SAFE_UINT64_MAX))
     60   {
     61     GNUNET_break_op (0);
     62     return TALER_MHD_reply_with_error (connection,
     63                                        MHD_HTTP_BAD_REQUEST,
     64                                        TALER_EC_GENERIC_PARAMETER_MALFORMED,
     65                                        "no row id specified");
     66   }
     67 
     68   /* execute transaction */
     69   qs = TALER_AUDITORDB_delete_generic (TAH_apg,
     70                                        rh->table,
     71                                        row_id);
     72   switch (qs)
     73   {
     74   case GNUNET_DB_STATUS_HARD_ERROR:
     75     GNUNET_break (0);
     76     return TALER_MHD_reply_with_error (connection,
     77                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     78                                        TALER_EC_GENERIC_DB_STORE_FAILED,
     79                                        "db store failed");
     80   case GNUNET_DB_STATUS_SOFT_ERROR:
     81     GNUNET_break (0);
     82     return TALER_MHD_reply_with_error (connection,
     83                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     84                                        TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE,
     85                                        "unexpected serialization problem");
     86   case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
     87     return TALER_MHD_reply_with_error (connection,
     88                                        MHD_HTTP_NOT_FOUND,
     89                                        TALER_EC_AUDITOR_RESOURCE_NOT_FOUND,
     90                                        "no delete executed");
     91   case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
     92     return TALER_MHD_reply_static (connection,
     93                                    MHD_HTTP_NO_CONTENT,
     94                                    NULL,
     95                                    NULL,
     96                                    0);
     97   }
     98   GNUNET_break (0);
     99   return MHD_NO;
    100 }