exchange

Base system with REST service to issue digital coins, run by the payment service provider
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fakebank_tbi.c (6358B)


      1 /*
      2   This file is part of TALER
      3   (C) 2016-2024 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or
      6   modify it under the terms of the GNU General Public License
      7   as published by the Free Software Foundation; either version 3,
      8   or (at your option) any later version.
      9 
     10   TALER is distributed in the hope that it will be useful,
     11   but WITHOUT ANY WARRANTY; without even the implied warranty of
     12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13   GNU General Public License for more details.
     14 
     15   You should have received a copy of the GNU General Public
     16   License along with TALER; see the file COPYING.  If not,
     17   see <http://www.gnu.org/licenses/>
     18 */
     19 /**
     20  * @file bank-lib/fakebank_tbi.c
     21  * @brief main entry point to the Taler Bank Integration (TBI) API implementation
     22  * @author Christian Grothoff <christian@grothoff.org>
     23  */
     24 #include "taler/taler_fakebank_lib.h"
     25 #include "taler/taler_bank_service.h"
     26 #include "taler/taler_mhd_lib.h"
     27 #include <gnunet/gnunet_mhd_compat.h>
     28 #include "fakebank.h"
     29 #include "fakebank_tbi.h"
     30 #include "fakebank_tbi_get_withdrawal_operation.h"
     31 #include "fakebank_tbi_post_withdrawal_operation.h"
     32 
     33 
     34 MHD_RESULT
     35 TALER_FAKEBANK_tbi_main_ (struct TALER_FAKEBANK_Handle *h,
     36                           struct MHD_Connection *connection,
     37                           const char *url,
     38                           const char *method,
     39                           const char *upload_data,
     40                           size_t *upload_data_size,
     41                           void **con_cls)
     42 {
     43   if (0 == strcasecmp (method,
     44                        MHD_HTTP_METHOD_HEAD))
     45     method = MHD_HTTP_METHOD_GET;
     46   if ( (0 == strcmp (url,
     47                      "/config")) &&
     48        (0 == strcasecmp (method,
     49                          MHD_HTTP_METHOD_GET)) )
     50   {
     51     struct TALER_Amount zero;
     52 
     53     GNUNET_assert (GNUNET_OK ==
     54                    TALER_amount_set_zero (h->currency,
     55                                           &zero));
     56     return TALER_MHD_REPLY_JSON_PACK (
     57       connection,
     58       MHD_HTTP_OK,
     59       GNUNET_JSON_pack_string ("version",
     60                                "1:0:1"),
     61       GNUNET_JSON_pack_string ("currency",
     62                                h->currency),
     63       GNUNET_JSON_pack_string ("implementation",
     64                                "urn:net:taler:specs:bank:fakebank"),
     65       GNUNET_JSON_pack_bool ("allow_conversion",
     66                              false),
     67       GNUNET_JSON_pack_bool ("allow_registrations",
     68                              true),
     69       GNUNET_JSON_pack_bool ("allow_deletions",
     70                              false),
     71       GNUNET_JSON_pack_bool ("allow_edit_name",
     72                              false),
     73       GNUNET_JSON_pack_bool ("allow_edit_cashout_payto_uri",
     74                              false),
     75       TALER_JSON_pack_amount ("default_debit_threshold",
     76                               &zero),
     77       GNUNET_JSON_pack_array_steal ("supported_tan_channels",
     78                                     json_array ()),
     79       GNUNET_JSON_pack_object_steal (
     80         "currency_specification",
     81         GNUNET_JSON_PACK (
     82           GNUNET_JSON_pack_string ("name",
     83                                    h->currency),
     84           GNUNET_JSON_pack_string ("currency",
     85                                    h->currency),
     86           GNUNET_JSON_pack_uint64 ("num_fractional_input_digits",
     87                                    2),
     88           GNUNET_JSON_pack_uint64 ("num_fractional_normal_digits",
     89                                    2),
     90           GNUNET_JSON_pack_uint64 ("num_fractional_trailing_zero_digits",
     91                                    2),
     92           GNUNET_JSON_pack_object_steal (
     93             "alt_unit_names",
     94             GNUNET_JSON_PACK (
     95               GNUNET_JSON_pack_string ("0",
     96                                        h->currency))),
     97           GNUNET_JSON_pack_string ("name",
     98                                    h->currency))),
     99       GNUNET_JSON_pack_string ("name",
    100                                "taler-bank-integration"));
    101   }
    102   if ( (0 == strncmp (url,
    103                       "/withdrawal-operation/",
    104                       strlen ("/withdrawal-operation/"))) &&
    105        (0 == strcasecmp (method,
    106                          MHD_HTTP_METHOD_GET)) )
    107   {
    108     const char *wopid = &url[strlen ("/withdrawal-operation/")];
    109     const char *lp_s
    110       = MHD_lookup_connection_value (connection,
    111                                      MHD_GET_ARGUMENT_KIND,
    112                                      "long_poll_ms");
    113     struct GNUNET_TIME_Relative lp = GNUNET_TIME_UNIT_ZERO;
    114 
    115     if (NULL != lp_s)
    116     {
    117       unsigned long long d;
    118       char dummy;
    119 
    120       if (1 != sscanf (lp_s,
    121                        "%llu%c",
    122                        &d,
    123                        &dummy))
    124       {
    125         GNUNET_break_op (0);
    126         return TALER_MHD_reply_with_error (connection,
    127                                            MHD_HTTP_BAD_REQUEST,
    128                                            TALER_EC_GENERIC_PARAMETER_MALFORMED,
    129                                            "long_poll_ms");
    130       }
    131       lp = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
    132                                           d);
    133     }
    134     return TALER_FAKEBANK_tbi_get_withdrawal_operation_ (h,
    135                                                          connection,
    136                                                          wopid,
    137                                                          lp,
    138                                                          con_cls);
    139 
    140   }
    141   if ( (0 == strncmp (url,
    142                       "/withdrawal-operation/",
    143                       strlen ("/withdrawal-operation/"))) &&
    144        (0 == strcasecmp (method,
    145                          MHD_HTTP_METHOD_POST)) )
    146   {
    147     const char *wopid = &url[strlen ("/withdrawal-operation/")];
    148 
    149     return TALER_FAKEBANK_tbi_post_withdrawal (h,
    150                                                connection,
    151                                                wopid,
    152                                                upload_data,
    153                                                upload_data_size,
    154                                                con_cls);
    155   }
    156 
    157   TALER_LOG_ERROR ("Breaking URL: %s %s\n",
    158                    method,
    159                    url);
    160   GNUNET_break_op (0);
    161   return TALER_MHD_reply_with_error (
    162     connection,
    163     MHD_HTTP_NOT_FOUND,
    164     TALER_EC_GENERIC_ENDPOINT_UNKNOWN,
    165     url);
    166 }