frosix

Multiparty signature service (experimental)
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frosix-httpd_dkg-key_delete.c (2611B)

      1 /*
      2   This file is part of Frosix
      3   Copyright (C) 2022, 2023 Joel Urech
      4 
      5   Frosix 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   Frosix 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 Affero General Public License for more details.
     12 
     13   You should have received a copy of the GNU Affero General Public License along with
     14   Frosix; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15 */
     16 /**
     17  * @file backend/frosix-httpd_key.c
     18  * @brief functions to handle incoming requests on /key
     19  * @author Joel Urech
     20  */
     21 #include "frosix-httpd_dkg.h"
     22 #include "frosix-httpd.h"
     23 #include "frosix-httpd_mhd.h"
     24 #include "frosix_database_plugin.h"
     25 #include <taler/taler_util.h>
     26 #include <gnunet/gnunet_util_lib.h>
     27 #include <gnunet/gnunet_db_lib.h>
     28 #include "gnunet/gnunet_curl_lib.h"
     29 
     30 struct KeyDeleteContext
     31 {
     32   /**
     33    * Our handler context
     34   */
     35   struct TM_HandlerContext *hc;
     36 
     37   /**
     38    * Post parser context.
     39    */
     40   void *post_ctx;
     41 
     42   /**
     43    * Connection handle for closing or resuming
     44    */
     45   struct MHD_Connection *connection;
     46 
     47   /**
     48    * When should this request time out?
     49   */
     50   struct GNUNET_TIME_Absolute timeout;
     51 };
     52 
     53 
     54 MHD_RESULT
     55 FH_handler_key_delete (
     56   struct MHD_Connection *connection,
     57   struct TM_HandlerContext *hc,
     58   const struct FROSIX_DkgRequestIdP *id)
     59 {
     60   struct KeyDeleteContext *dc = hc->ctx;
     61 
     62   if (NULL == dc)
     63   {
     64     dc = GNUNET_new (struct KeyDeleteContext);
     65     dc->connection = connection;
     66     hc->ctx = dc;
     67   }
     68 
     69   enum GNUNET_DB_QueryStatus qs;
     70   qs = db->delete_key_data (db->cls,
     71                             &id->id);
     72 
     73   switch (qs)
     74   {
     75   case GNUNET_DB_STATUS_HARD_ERROR:
     76   case GNUNET_DB_STATUS_SOFT_ERROR:
     77     GNUNET_break (0);
     78     return TALER_MHD_reply_with_error (connection,
     79                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     80                                        TALER_EC_GENERIC_DB_FETCH_FAILED,
     81                                        "key_delete");
     82   case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
     83   case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
     84     break;
     85   }
     86 
     87   struct FH_RequestHandler h204 = {
     88     "", NULL, "text/html",
     89     "<html><title>204: no content</title></html>", 0,
     90     &TMH_MHD_handler_static_response, MHD_HTTP_NO_CONTENT
     91   };
     92 
     93   return TMH_MHD_handler_static_response (&h204,
     94                                           connection);
     95 }