merchant

Merchant backend to process payments, run by merchants
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taler-merchant-httpd_get-webui.c (2562B)

      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2020, 2023, 2025 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 <http://www.gnu.org/licenses/>
     15 */
     16 /**
     17  * @file src/backend/taler-merchant-httpd_get-webui.c
     18  * @brief logic to load the single page app (/)
     19  * @author Christian Grothoff
     20  */
     21 #include "platform.h"
     22 #include <sys/stat.h>
     23 #include <gnunet/gnunet_util_lib.h>
     24 #include <taler/taler_util.h>
     25 #include <taler/taler_mhd_lib.h>
     26 #include "taler/taler_merchant_util.h"
     27 #include "taler-merchant-httpd_statics.h"
     28 #include "taler-merchant-httpd_get-webui.h"
     29 #include <gnunet/gnunet_mhd_compat.h>
     30 
     31 
     32 /**
     33  * Resources of the Merchant SPA.
     34  */
     35 static struct TALER_MHD_Spa *spa;
     36 
     37 
     38 enum MHD_Result
     39 TMH_return_spa (const struct TMH_RequestHandler *rh,
     40                 struct MHD_Connection *connection,
     41                 struct TMH_HandlerContext *hc)
     42 {
     43   const char *infix = hc->infix;
     44 
     45   if ( (NULL == infix) ||
     46        (0 == strcmp (infix,
     47                      "")) )
     48     infix = "index.html";
     49   return TALER_MHD_spa_handler (spa,
     50                                 connection,
     51                                 infix);
     52 }
     53 
     54 
     55 enum GNUNET_GenericReturnValue
     56 TMH_spa_init (const char *spa_dir)
     57 {
     58   bool have_spa = false;
     59   if (NULL != spa_dir)
     60   {
     61     struct stat sb;
     62     have_spa = stat (spa_dir, &sb) == 0 && S_ISDIR (sb.st_mode);
     63     if (! have_spa)
     64     {
     65       GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
     66                   "SPA not found at '%s', using fallback\n",
     67                   spa_dir);
     68     }
     69   }
     70   if (! have_spa)
     71     spa = TALER_MHD_spa_load (TALER_MERCHANT_project_data (),
     72                               "spa/");
     73   else
     74     spa = TALER_MHD_spa_load_dir (spa_dir);
     75 
     76   if (NULL == spa)
     77   {
     78     GNUNET_break (0);
     79     return GNUNET_SYSERR;
     80   }
     81   return GNUNET_OK;
     82 }
     83 
     84 
     85 /**
     86  * Nicely shut down.
     87  */
     88 void __attribute__ ((destructor))
     89 get_spa_fini (void);
     90 
     91 /* Declaration to avoid compiler warning */
     92 void __attribute__ ((destructor))
     93 get_spa_fini ()
     94 {
     95   if (NULL != spa)
     96   {
     97     TALER_MHD_spa_free (spa);
     98     spa = NULL;
     99   }
    100 }