frosix

Multiparty signature service (experimental)
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frosix-httpd_config.c (3951B)

      1 /*
      2   This file is part of Frosix
      3   Copyright (C) 2020, 2021 Anastasis SARL
      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.GPL.  If not, see <http://www.gnu.org/licenses/>
     15 */
     16 /**
     17  * @file backend/frosix-httpd_config.c
     18  * @brief headers for /terms handler
     19  * @author Christian Grothoff
     20  * @author Dennis Neufeld
     21  * @author Dominik Meister
     22  */
     23 #include "platform.h"
     24 #include <jansson.h>
     25 #include "frosix-httpd_config.h"
     26 #include "frosix-httpd.h"
     27 #include "frosix_authorization_plugin.h"
     28 #include "frosix_authorization_lib.h"
     29 #include <taler/taler_json_lib.h>
     30 
     31 
     32 /**
     33  * Add enabled methods and their fees to the ``/config`` response.
     34  *
     35  * @param[in,out] cls a `json_t` array to build
     36  * @param section configuration section to inspect
     37  */
     38 static void
     39 add_methods (void *cls,
     40              const char *section)
     41 {
     42   json_t *method_arr = cls;
     43   struct FROSIX_AuthorizationPlugin *p;
     44   json_t *method;
     45 
     46   if (0 != strncasecmp (section,
     47                         "authorization-",
     48                         strlen ("authorization-")))
     49     return;
     50   if (GNUNET_YES !=
     51       GNUNET_CONFIGURATION_get_value_yesno (FH_cfg,
     52                                             section,
     53                                             "ENABLED"))
     54     return;
     55   section += strlen ("authorization-");
     56   p = FROSIX_authorization_plugin_load (section,
     57                                         db,
     58                                         FH_cfg);
     59   if (NULL == p)
     60   {
     61     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     62                 "Failed to load authorization plugin `%s'\n",
     63                 section);
     64     return;
     65   }
     66   method = GNUNET_JSON_PACK (
     67     GNUNET_JSON_pack_string ("type",
     68                              section),
     69     TALER_JSON_pack_amount ("cost",
     70                             &p->cost));
     71   GNUNET_assert (
     72     0 ==
     73     json_array_append_new (method_arr,
     74                            method));
     75 }
     76 
     77 
     78 MHD_RESULT
     79 FH_handler_config (struct FH_RequestHandler *rh,
     80                    struct MHD_Connection *connection)
     81 {
     82   json_t *method_arr = json_array ();
     83 
     84   GNUNET_assert (NULL != method_arr);
     85   {
     86     json_t *method;
     87 
     88     method = GNUNET_JSON_PACK (
     89       GNUNET_JSON_pack_string ("type",
     90                                "question"),
     91       TALER_JSON_pack_amount ("cost",
     92                               &FH_question_cost));
     93     GNUNET_assert (
     94       0 ==
     95       json_array_append_new (method_arr,
     96                              method));
     97   }
     98   GNUNET_CONFIGURATION_iterate_sections (FH_cfg,
     99                                          &add_methods,
    100                                          method_arr);
    101   return TALER_MHD_REPLY_JSON_PACK (
    102     connection,
    103     MHD_HTTP_OK,
    104     GNUNET_JSON_pack_string ("name",
    105                              "frosix"),
    106     GNUNET_JSON_pack_string ("version",
    107                              "0:0:0"),
    108     GNUNET_JSON_pack_string ("business_name",
    109                              FH_business_name),
    110     GNUNET_JSON_pack_array_steal ("methods",
    111                                   method_arr),
    112     TALER_JSON_pack_amount ("annual_fee",
    113                             &FH_annual_fee),
    114     TALER_JSON_pack_amount ("signature_creation_fee",
    115                             &FH_signature_creation_fee),
    116     GNUNET_JSON_pack_data_auto ("provider_salt",
    117                                 &FH_provider_salt),
    118     GNUNET_JSON_pack_data_auto ("public_key",
    119                                 &FH_pub_sig_key));
    120 }
    121 
    122 
    123 /* end of frosix-httpd_config.c */