taler-merchant-httpd_post-private-transfers.c (4988B)
1 /* 2 This file is part of TALER 3 (C) 2014-2023, 2025, 2026 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 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_post-private-transfers.c 18 * @brief implement API for registering wire transfers 19 * @author Marcello Stanisci 20 * @author Christian Grothoff 21 */ 22 #include "platform.h" 23 #include <jansson.h> 24 #include <taler/taler_signatures.h> 25 #include <taler/taler_json_lib.h> 26 #include <taler/taler_dbevents.h> 27 #include "taler-merchant-httpd_get-exchanges.h" 28 #include "taler-merchant-httpd_helper.h" 29 #include "taler-merchant-httpd_post-private-transfers.h" 30 #include "merchant-database/insert_transfer.h" 31 32 33 /** 34 * How often do we retry the simple INSERT database transaction? 35 */ 36 #define MAX_RETRIES 5 37 38 39 enum MHD_Result 40 TMH_private_post_transfers (const struct TMH_RequestHandler *rh, 41 struct MHD_Connection *connection, 42 struct TMH_HandlerContext *hc) 43 { 44 struct TALER_FullPayto payto_uri; 45 const char *exchange_url; 46 struct TALER_WireTransferIdentifierRawP wtid; 47 struct TALER_Amount amount; 48 struct GNUNET_JSON_Specification spec[] = { 49 TALER_JSON_spec_amount_any ("credit_amount", 50 &amount), 51 GNUNET_JSON_spec_fixed_auto ("wtid", 52 &wtid), 53 TALER_JSON_spec_full_payto_uri ("payto_uri", 54 &payto_uri), 55 TALER_JSON_spec_web_url ("exchange_url", 56 &exchange_url), 57 GNUNET_JSON_spec_end () 58 }; 59 enum GNUNET_GenericReturnValue res; 60 enum GNUNET_DB_QueryStatus qs; 61 bool no_account; 62 bool conflict; 63 64 res = TALER_MHD_parse_json_data (connection, 65 hc->request_body, 66 spec); 67 if (GNUNET_OK != res) 68 return (GNUNET_NO == res) 69 ? MHD_YES 70 : MHD_NO; 71 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 72 "New inbound wire transfer over %s to %s from %s\n", 73 TALER_amount2s (&amount), 74 payto_uri.full_payto, 75 exchange_url); 76 77 /* Check if transfer data is in database, if not, add it. */ 78 qs = TALER_MERCHANTDB_insert_transfer (TMH_db, 79 hc->instance->settings.id, 80 exchange_url, 81 &wtid, 82 &amount, 83 payto_uri, 84 0 /* no bank serial known! */, 85 &no_account, 86 &conflict); 87 switch (qs) 88 { 89 case GNUNET_DB_STATUS_HARD_ERROR: 90 GNUNET_break (0); 91 return TALER_MHD_reply_with_error (connection, 92 MHD_HTTP_INTERNAL_SERVER_ERROR, 93 TALER_EC_GENERIC_DB_STORE_FAILED, 94 "insert_transfer"); 95 case GNUNET_DB_STATUS_SOFT_ERROR: 96 GNUNET_break (0); 97 return TALER_MHD_reply_with_error (connection, 98 MHD_HTTP_INTERNAL_SERVER_ERROR, 99 TALER_EC_GENERIC_DB_STORE_FAILED, 100 "insert_transfer"); 101 case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS: 102 GNUNET_break (0); /* should be impossible */ 103 return TALER_MHD_reply_with_error (connection, 104 MHD_HTTP_INTERNAL_SERVER_ERROR, 105 TALER_EC_GENERIC_DB_INVARIANT_FAILURE, 106 "insert_transfer"); 107 case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT: 108 break; 109 } 110 if (no_account) 111 { 112 GNUNET_break_op (0); 113 return TALER_MHD_reply_with_error ( 114 connection, 115 MHD_HTTP_CONFLICT, 116 TALER_EC_MERCHANT_GENERIC_ACCOUNT_UNKNOWN, 117 payto_uri.full_payto); 118 } 119 if (conflict) 120 { 121 GNUNET_break_op (0); 122 return TALER_MHD_reply_with_error ( 123 connection, 124 MHD_HTTP_CONFLICT, 125 TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_CONFLICTING_SUBMISSION, 126 NULL); 127 } 128 return TALER_MHD_reply_static (connection, 129 MHD_HTTP_NO_CONTENT, 130 NULL, 131 NULL, 132 0); 133 } 134 135 136 /* end of taler-merchant-httpd_post-private-transfers.c */