Line data    Source code

       1              : /*
       2              :   This file is part of TALER
       3              :   Copyright (C) 2014-2018, 2021 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
      15              :   <http://www.gnu.org/licenses/>
      16              : */
      17              : /**
      18              :  * @file lib/exchange_api_curl_defaults.c
      19              :  * @brief curl easy handle defaults
      20              :  * @author Florian Dold
      21              :  */
      22              : #include "taler/taler_curl_lib.h"
      23              : #include "exchange_api_curl_defaults.h"
      24              : #include "taler/taler_auditor_service.h"
      25              : #include "taler/exchange/common.h"
      26              : 
      27              : 
      28              : /**
      29              :  * Global options for HTTP requests.
      30              :  */
      31              : static enum TALER_EXCHANGE_GlobalOptions eglobal_options;
      32              : 
      33              : 
      34              : void
      35            0 : TALER_EXCHANGE_setup (enum TALER_EXCHANGE_GlobalOptions go)
      36              : {
      37            0 :   unsigned int ago = TALER_AUDITOR_GO_NONE;
      38              : 
      39            0 :   eglobal_options = go;
      40            0 :   if (0 != (TALER_EXCHANGE_GO_FORCE_HTTP1_1 & go))
      41            0 :     ago |= TALER_AUDITOR_GO_FORCE_HTTP1_1;
      42            0 :   if (0 != (TALER_EXCHANGE_GO_ENABLE_HTTP3 & go))
      43            0 :     ago |= TALER_AUDITOR_GO_ENABLE_HTTP3;
      44              :   /* libtalerexchange also makes connections via libtalerauditor
      45              :      to the auditor, so apply the equivalent options there as well. */
      46            0 :   TALER_AUDITOR_setup ((enum TALER_AUDITOR_GlobalOptions) ago);
      47            0 : }
      48              : 
      49              : 
      50              : CURL *
      51          680 : TALER_EXCHANGE_curl_easy_get_ (const char *url)
      52              : {
      53              :   CURL *eh;
      54              : 
      55          680 :   eh = curl_easy_init ();
      56          680 :   if (NULL == eh)
      57              :   {
      58            0 :     GNUNET_break (0);
      59            0 :     return NULL;
      60              :   }
      61          680 :   GNUNET_assert (CURLE_OK ==
      62              :                  curl_easy_setopt (eh,
      63              :                                    CURLOPT_URL,
      64              :                                    url));
      65          680 :   TALER_curl_set_secure_redirect_policy (eh,
      66              :                                          url);
      67              :   /* Enable compression (using whatever curl likes), see
      68              :      https://curl.se/libcurl/c/CURLOPT_ACCEPT_ENCODING.html  */
      69          680 :   GNUNET_break (CURLE_OK ==
      70              :                 curl_easy_setopt (eh,
      71              :                                   CURLOPT_ACCEPT_ENCODING,
      72              :                                   ""));
      73          680 :   GNUNET_assert (CURLE_OK ==
      74              :                  curl_easy_setopt (eh,
      75              :                                    CURLOPT_TCP_FASTOPEN,
      76              :                                    1L));
      77          680 :   TALER_curl_set_http_version (
      78              :     eh,
      79          680 :     (0 != (TALER_EXCHANGE_GO_ENABLE_HTTP3 & eglobal_options)) &&
      80          680 :     (0 == (TALER_EXCHANGE_GO_FORCE_HTTP1_1 & eglobal_options)));
      81          680 :   return eh;
      82              : }