LCOV - code coverage report
Current view: top level - lib - merchant_api_delete_reserve.c (source / functions) Hit Total Coverage
Test: GNU Taler coverage report Lines: 0 53 0.0 %
Date: 2021-04-12 06:04:58 Functions: 0 5 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :   This file is part of TALER
       3             :   Copyright (C) 2020 Taler Systems SA
       4             : 
       5             :   TALER is free software; you can redistribute it and/or modify it under the
       6             :   terms of the GNU Lesser General Public License as published by the Free Software
       7             :   Foundation; either version 2.1, 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 Lesser General Public License for more details.
      12             : 
      13             :   You should have received a copy of the GNU Lesser General Public License along with
      14             :   TALER; see the file COPYING.LGPL.  If not, see
      15             :   <http://www.gnu.org/licenses/>
      16             : */
      17             : /**
      18             :  * @file merchant_api_delete_reserve.c
      19             :  * @brief Implementation of the DELETE /reserves/$RESERVE_PUB request of the merchant's HTTP API
      20             :  * @author Jonathan Buchanan
      21             :  */
      22             :  #include "platform.h"
      23             :  #include <curl/curl.h>
      24             :  #include <jansson.h>
      25             :  #include <microhttpd.h> /* just for HTTP status codes */
      26             :  #include <gnunet/gnunet_util_lib.h>
      27             :  #include <gnunet/gnunet_curl_lib.h>
      28             :  #include "taler_merchant_service.h"
      29             :  #include <taler/taler_json_lib.h>
      30             :  #include <taler/taler_signatures.h>
      31             : 
      32             : 
      33             : /**
      34             :  * Handle for a DELETE /reserves/$RESERVE_PUB operation.
      35             :  */
      36             : struct TALER_MERCHANT_ReserveDeleteHandle
      37             : {
      38             : 
      39             :   /**
      40             :    * The url for this request.
      41             :    */
      42             :   char *url;
      43             : 
      44             :   /**
      45             :    * Handle for the request.
      46             :    */
      47             :   struct GNUNET_CURL_Job *job;
      48             : 
      49             :   /**
      50             :    * Function to call with the result.
      51             :    */
      52             :   TALER_MERCHANT_ReserveDeleteCallback cb;
      53             : 
      54             :   /**
      55             :    * Closure for @a cb.
      56             :    */
      57             :   void *cb_cls;
      58             : 
      59             :   /**
      60             :    * Reference to the execution context.
      61             :    */
      62             :   struct GNUNET_CURL_Context *ctx;
      63             : 
      64             : };
      65             : 
      66             : 
      67             : /**
      68             :  * Function called when we're done processing the
      69             :  * HTTP DELETE /reserves/$RESERVE_PUB request.
      70             :  *
      71             :  * @param cls the `struct TALER_MERCHANT_InstanceDeleteHandle`
      72             :  * @param response_code HTTP response code, 0 on error
      73             :  * @param response response body, NULL if not in JSON
      74             :  */
      75             : static void
      76           0 : handle_delete_reserve_finished (void *cls,
      77             :                                 long response_code,
      78             :                                 const void *response)
      79             : {
      80           0 :   struct TALER_MERCHANT_ReserveDeleteHandle *rdh = cls;
      81           0 :   const json_t *json = response;
      82           0 :   struct TALER_MERCHANT_HttpResponse hr = {
      83           0 :     .http_status = (unsigned int) response_code,
      84             :     .reply = json
      85             :   };
      86             : 
      87           0 :   rdh->job = NULL;
      88           0 :   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
      89             :               "Got /reserves/$ID response with status code %u\n",
      90             :               (unsigned int) response_code);
      91           0 :   switch (response_code)
      92             :   {
      93           0 :   case MHD_HTTP_NO_CONTENT:
      94           0 :     break;
      95           0 :   case MHD_HTTP_NOT_FOUND:
      96           0 :     hr.ec = TALER_JSON_get_error_code (json);
      97           0 :     hr.hint = TALER_JSON_get_error_hint (json);
      98           0 :     break;
      99           0 :   default:
     100             :     /* unexpected response code */
     101           0 :     hr.ec = TALER_JSON_get_error_code (json);
     102           0 :     hr.hint = TALER_JSON_get_error_hint (json);
     103           0 :     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     104             :                 "Unexpected response code %u/%d\n",
     105             :                 (unsigned int) response_code,
     106             :                 (int) hr.ec);
     107           0 :     break;
     108             :   }
     109           0 :   rdh->cb (rdh->cb_cls,
     110             :            &hr);
     111           0 :   TALER_MERCHANT_reserve_delete_cancel (rdh);
     112           0 : }
     113             : 
     114             : 
     115             : /**
     116             :  * Delete the private key of a reserve.
     117             :  *
     118             :  * @param ctx the context
     119             :  * @param backend_url HTTP base URL for the backend
     120             :  * @param reserve_pub which reserve should be deleted
     121             :  * @param purge purge instead of just deleting
     122             :  * @param cb function to call with the backend's return
     123             :  * @param cb_cls closure for @a config_cb
     124             :  * @return the instances handle; NULL upon error
     125             :  */
     126             : static struct TALER_MERCHANT_ReserveDeleteHandle *
     127           0 : reserve_delete (struct GNUNET_CURL_Context *ctx,
     128             :                 const char *backend_url,
     129             :                 const struct TALER_ReservePublicKeyP *reserve_pub,
     130             :                 bool purge,
     131             :                 TALER_MERCHANT_ReserveDeleteCallback cb,
     132             :                 void *cb_cls)
     133             : {
     134             :   struct TALER_MERCHANT_ReserveDeleteHandle *rdh;
     135             : 
     136           0 :   rdh = GNUNET_new (struct TALER_MERCHANT_ReserveDeleteHandle);
     137           0 :   rdh->ctx = ctx;
     138           0 :   rdh->cb = cb;
     139           0 :   rdh->cb_cls = cb_cls;
     140             :   {
     141             :     char res_str[sizeof (*reserve_pub) * 2];
     142             :     char arg_str[sizeof (res_str) + 32];
     143             :     char *end;
     144             : 
     145           0 :     end = GNUNET_STRINGS_data_to_string (reserve_pub,
     146             :                                          sizeof (*reserve_pub),
     147             :                                          res_str,
     148             :                                          sizeof (res_str));
     149           0 :     *end = '\0';
     150           0 :     GNUNET_snprintf (arg_str,
     151             :                      sizeof (arg_str),
     152             :                      "private/reserves/%s",
     153             :                      res_str);
     154           0 :     if (purge)
     155           0 :       rdh->url = TALER_url_join (backend_url,
     156             :                                  arg_str,
     157             :                                  "purge",
     158             :                                  "yes",
     159             :                                  NULL);
     160             :     else
     161           0 :       rdh->url = TALER_url_join (backend_url,
     162             :                                  arg_str,
     163             :                                  NULL);
     164             :   }
     165           0 :   if (NULL == rdh->url)
     166             :   {
     167           0 :     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     168             :                 "Could not construct request URL.\n");
     169           0 :     GNUNET_free (rdh);
     170           0 :     return NULL;
     171             :   }
     172           0 :   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
     173             :               "Requesting URL '%s'\n",
     174             :               rdh->url);
     175             :   {
     176             :     CURL *eh;
     177             : 
     178           0 :     eh = curl_easy_init ();
     179           0 :     GNUNET_assert (CURLE_OK ==
     180             :                    curl_easy_setopt (eh,
     181             :                                      CURLOPT_URL,
     182             :                                      rdh->url));
     183           0 :     GNUNET_assert (CURLE_OK ==
     184             :                    curl_easy_setopt (eh,
     185             :                                      CURLOPT_CUSTOMREQUEST,
     186             :                                      MHD_HTTP_METHOD_DELETE));
     187           0 :     rdh->job = GNUNET_CURL_job_add (ctx,
     188             :                                     eh,
     189             :                                     &handle_delete_reserve_finished,
     190             :                                     rdh);
     191             :   }
     192           0 :   return rdh;
     193             : }
     194             : 
     195             : 
     196             : struct TALER_MERCHANT_ReserveDeleteHandle *
     197           0 : TALER_MERCHANT_reserve_delete (
     198             :   struct GNUNET_CURL_Context *ctx,
     199             :   const char *backend_url,
     200             :   const struct TALER_ReservePublicKeyP *reserve_pub,
     201             :   TALER_MERCHANT_ReserveDeleteCallback cb,
     202             :   void *cb_cls)
     203             : {
     204           0 :   return reserve_delete (ctx,
     205             :                          backend_url,
     206             :                          reserve_pub,
     207             :                          false,
     208             :                          cb,
     209             :                          cb_cls);
     210             : }
     211             : 
     212             : 
     213             : struct TALER_MERCHANT_ReserveDeleteHandle *
     214           0 : TALER_MERCHANT_reserve_purge (struct GNUNET_CURL_Context *ctx,
     215             :                               const char *backend_url,
     216             :                               const struct TALER_ReservePublicKeyP *reserve_pub,
     217             :                               TALER_MERCHANT_ReserveDeleteCallback cb,
     218             :                               void *cb_cls)
     219             : {
     220           0 :   return reserve_delete (ctx,
     221             :                          backend_url,
     222             :                          reserve_pub,
     223             :                          true,
     224             :                          cb,
     225             :                          cb_cls);
     226             : }
     227             : 
     228             : 
     229             : void
     230           0 : TALER_MERCHANT_reserve_delete_cancel (
     231             :   struct TALER_MERCHANT_ReserveDeleteHandle *rdh)
     232             : {
     233           0 :   if (NULL != rdh->job)
     234           0 :     GNUNET_CURL_job_cancel (rdh->job);
     235           0 :   GNUNET_free (rdh->url);
     236           0 :   GNUNET_free (rdh);
     237           0 : }

Generated by: LCOV version 1.14