taler-merchant-httpd_delete-management-instances-INSTANCE.c (5407B)
1 /* 2 This file is part of TALER 3 (C) 2020-2026 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_delete-management-instances-INSTANCE.c 18 * @brief implement DELETE /instances/$ID 19 * @author Christian Grothoff 20 */ 21 #include "platform.h" 22 #include "taler-merchant-httpd_delete-management-instances-INSTANCE.h" 23 #include <taler/taler_json_lib.h> 24 #include <taler/taler_dbevents.h> 25 #include "taler-merchant-httpd_mfa.h" 26 #include "merchant-database/delete_instance_private_key.h" 27 #include "merchant-database/event_notify.h" 28 #include "merchant-database/purge_instance.h" 29 30 /** 31 * Handle a DELETE "/instances/$ID" request. 32 * 33 * @param[in,out] hc http request context 34 * @param mfa_check true if a MFA check is required 35 * @param mi instance to delete 36 * @param connection the MHD connection to handle 37 * @return MHD result code 38 */ 39 static enum MHD_Result 40 delete_instances_ID (struct TMH_HandlerContext *hc, 41 bool mfa_check, 42 struct TMH_MerchantInstance *mi, 43 struct MHD_Connection *connection) 44 { 45 bool purge; 46 enum GNUNET_DB_QueryStatus qs; 47 48 GNUNET_assert (NULL != mi); 49 if (mfa_check) 50 { 51 enum GNUNET_GenericReturnValue ret = 52 TMH_mfa_check_simple (hc, 53 TALER_MERCHANT_MFA_CO_INSTANCE_DELETION, 54 mi); 55 56 if (GNUNET_OK != ret) 57 { 58 return (GNUNET_NO == ret) 59 ? MHD_YES 60 : MHD_NO; 61 } 62 } 63 64 { 65 const char *purge_s; 66 67 purge_s = MHD_lookup_connection_value (connection, 68 MHD_GET_ARGUMENT_KIND, 69 "purge"); 70 if (NULL == purge_s) 71 purge_s = "no"; 72 purge = (0 == strcasecmp (purge_s, 73 "yes")); 74 } 75 if (purge) 76 qs = TALER_MERCHANTDB_purge_instance (TMH_db, 77 mi->settings.id); 78 else 79 qs = TALER_MERCHANTDB_delete_instance_private_key (TMH_db, 80 mi->settings.id); 81 { 82 struct GNUNET_DB_EventHeaderP es = { 83 .size = htons (sizeof (es)), 84 .type = htons (TALER_DBEVENT_MERCHANT_ACCOUNTS_CHANGED) 85 }; 86 87 TALER_MERCHANTDB_event_notify (TMH_db, 88 &es, 89 NULL, 90 0); 91 } 92 switch (qs) 93 { 94 case GNUNET_DB_STATUS_HARD_ERROR: 95 return TALER_MHD_reply_with_error (connection, 96 MHD_HTTP_INTERNAL_SERVER_ERROR, 97 TALER_EC_GENERIC_DB_STORE_FAILED, 98 "delete private key"); 99 case GNUNET_DB_STATUS_SOFT_ERROR: 100 GNUNET_break (0); 101 return TALER_MHD_reply_with_error (connection, 102 MHD_HTTP_INTERNAL_SERVER_ERROR, 103 TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE, 104 NULL); 105 case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS: 106 return TALER_MHD_reply_with_error (connection, 107 MHD_HTTP_NOT_FOUND, 108 TALER_EC_MERCHANT_GENERIC_INSTANCE_UNKNOWN, 109 purge 110 ? "Instance unknown" 111 : "Private key unknown"); 112 case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT: 113 TMH_reload_instances (mi->settings.id); 114 return TALER_MHD_reply_static (connection, 115 MHD_HTTP_NO_CONTENT, 116 NULL, 117 NULL, 118 0); 119 } 120 GNUNET_assert (0); 121 return MHD_NO; 122 } 123 124 125 enum MHD_Result 126 TMH_private_delete_instances_ID ( 127 const struct TMH_RequestHandler *rh, 128 struct MHD_Connection *connection, 129 struct TMH_HandlerContext *hc) 130 { 131 struct TMH_MerchantInstance *mi = hc->instance; 132 133 (void) rh; 134 return delete_instances_ID (hc, 135 true, 136 mi, 137 connection); 138 } 139 140 141 enum MHD_Result 142 TMH_private_delete_instances_default_ID ( 143 const struct TMH_RequestHandler *rh, 144 struct MHD_Connection *connection, 145 struct TMH_HandlerContext *hc) 146 { 147 struct TMH_MerchantInstance *mi; 148 149 (void) rh; 150 mi = TMH_lookup_instance (hc->infix); 151 if (NULL == mi) 152 { 153 return TALER_MHD_reply_with_error ( 154 connection, 155 MHD_HTTP_NOT_FOUND, 156 TALER_EC_MERCHANT_GENERIC_INSTANCE_UNKNOWN, 157 hc->infix); 158 } 159 return delete_instances_ID (hc, 160 false, 161 mi, 162 connection); 163 } 164 165 166 /* end of taler-merchant-httpd_delete-management-instances-INSTANCE.c */