merchant

Merchant backend to process payments, run by merchants
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taler-merchant-httpd_mhd.c (2654B)

      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2014-2020 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it under the
      6   terms of the GNU Affero 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 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   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15 */
     16 /**
     17  * @file taler-merchant-httpd_mhd.c
     18  * @brief helpers for MHD interaction; these are TALER_EXCHANGE_handler_ functions
     19  *        that generate simple MHD replies that do not require any real operations
     20  *        to be performed (error handling, static pages, etc.)
     21  * @author Florian Dold
     22  * @author Benedikt Mueller
     23  * @author Christian Grothoff
     24  */
     25 #include "platform.h"
     26 #include <jansson.h>
     27 #include "taler-merchant-httpd_mhd.h"
     28 
     29 
     30 MHD_RESULT
     31 TMH_MHD_handler_static_response (const struct TMH_RequestHandler *rh,
     32                                  struct MHD_Connection *connection,
     33                                  struct TMH_HandlerContext *hc)
     34 {
     35   (void) hc;
     36   return TALER_MHD_reply_static (connection,
     37                                  rh->response_code,
     38                                  rh->mime_type,
     39                                  rh->data,
     40                                  rh->data_size);
     41 }
     42 
     43 
     44 MHD_RESULT
     45 TMH_MHD_handler_agpl_redirect (const struct TMH_RequestHandler *rh,
     46                                struct MHD_Connection *connection,
     47                                struct TMH_HandlerContext *hc)
     48 {
     49   (void) rh;
     50   (void) hc;
     51   return TALER_MHD_reply_agpl (connection,
     52                                "http://www.git.taler.net/?p=merchant.git");
     53 }
     54 
     55 
     56 bool
     57 TMH_MHD_test_html_desired (struct MHD_Connection *connection)
     58 {
     59   const char *accept;
     60   double json_q;
     61   double html_q;
     62 
     63   accept = MHD_lookup_connection_value (connection,
     64                                         MHD_HEADER_KIND,
     65                                         MHD_HTTP_HEADER_ACCEPT);
     66   if (NULL == accept)
     67     return false; /* nothing selected, we read this as not HTML */
     68   html_q = TALER_pattern_matches (accept,
     69                                   "text/html");
     70   json_q = TALER_pattern_matches (accept,
     71                                   "application/json");
     72   if (html_q > json_q)
     73     return true;
     74   return false;
     75 }
     76 
     77 
     78 /* end of taler-exchange-httpd_mhd.c */