merchant_api_delete-private-accounts-H_WIRE.c (5976B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2023-2026 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU Lesser General Public License as published by the Free Software 7 Foundation; either version 2.1, 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 Lesser General Public License for more details. 12 13 You should have received a copy of the GNU Lesser General Public License along with 14 TALER; see the file COPYING.LGPL. If not, see 15 <http://www.gnu.org/licenses/> 16 */ 17 /** 18 * @file merchant_api_delete-private-accounts-H_WIRE-new.c 19 * @brief Implementation of the DELETE /private/accounts/$H_WIRE request 20 * @author Christian Grothoff 21 */ 22 #include "taler/platform.h" 23 #include <curl/curl.h> 24 #include <jansson.h> 25 #include <microhttpd.h> /* just for HTTP status codes */ 26 #include <gnunet/gnunet_util_lib.h> 27 #include <gnunet/gnunet_curl_lib.h> 28 #include <taler/taler-merchant/delete-private-accounts-H_WIRE.h> 29 #include "merchant_api_curl_defaults.h" 30 #include <taler/taler_json_lib.h> 31 32 33 /** 34 * Handle for a DELETE /private/accounts/$H_WIRE operation. 35 */ 36 struct TALER_MERCHANT_DeletePrivateAccountHandle 37 { 38 /** 39 * Base URL of the merchant backend. 40 */ 41 char *base_url; 42 43 /** 44 * The full URL for this request. 45 */ 46 char *url; 47 48 /** 49 * Handle for the request. 50 */ 51 struct GNUNET_CURL_Job *job; 52 53 /** 54 * Function to call with the result. 55 */ 56 TALER_MERCHANT_DeletePrivateAccountCallback cb; 57 58 /** 59 * Closure for @a cb. 60 */ 61 TALER_MERCHANT_DELETE_PRIVATE_ACCOUNT_RESULT_CLOSURE *cb_cls; 62 63 /** 64 * Reference to the execution context. 65 */ 66 struct GNUNET_CURL_Context *ctx; 67 68 /** 69 * Hash of the wire details identifying the account to delete. 70 */ 71 struct TALER_MerchantWireHashP h_wire; 72 }; 73 74 75 /** 76 * Function called when we're done processing the 77 * HTTP DELETE /private/accounts/$H_WIRE request. 78 * 79 * @param cls the `struct TALER_MERCHANT_DeletePrivateAccountHandle` 80 * @param response_code HTTP response code, 0 on error 81 * @param response response body, NULL if not in JSON 82 */ 83 static void 84 handle_delete_account_finished (void *cls, 85 long response_code, 86 const void *response) 87 { 88 struct TALER_MERCHANT_DeletePrivateAccountHandle *dah = cls; 89 const json_t *json = response; 90 struct TALER_MERCHANT_DeletePrivateAccountResponse dar = { 91 .hr.http_status = (unsigned int) response_code, 92 .hr.reply = json 93 }; 94 95 dah->job = NULL; 96 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 97 "Got /private/accounts/$H_WIRE DELETE response with status code %u\n", 98 (unsigned int) response_code); 99 switch (response_code) 100 { 101 case MHD_HTTP_NO_CONTENT: 102 break; 103 case MHD_HTTP_UNAUTHORIZED: 104 dar.hr.ec = TALER_JSON_get_error_code (json); 105 dar.hr.hint = TALER_JSON_get_error_hint (json); 106 break; 107 case MHD_HTTP_NOT_FOUND: 108 dar.hr.ec = TALER_JSON_get_error_code (json); 109 dar.hr.hint = TALER_JSON_get_error_hint (json); 110 break; 111 default: 112 dar.hr.ec = TALER_JSON_get_error_code (json); 113 dar.hr.hint = TALER_JSON_get_error_hint (json); 114 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, 115 "Unexpected response code %u/%d for DELETE /private/accounts/$H_WIRE\n", 116 (unsigned int) response_code, 117 (int) dar.hr.ec); 118 break; 119 } 120 dah->cb (dah->cb_cls, 121 &dar); 122 TALER_MERCHANT_delete_private_account_cancel (dah); 123 } 124 125 126 struct TALER_MERCHANT_DeletePrivateAccountHandle * 127 TALER_MERCHANT_delete_private_account_create ( 128 struct GNUNET_CURL_Context *ctx, 129 const char *url, 130 const struct TALER_MerchantWireHashP *h_wire) 131 { 132 struct TALER_MERCHANT_DeletePrivateAccountHandle *dah; 133 134 dah = GNUNET_new (struct TALER_MERCHANT_DeletePrivateAccountHandle); 135 dah->ctx = ctx; 136 dah->base_url = GNUNET_strdup (url); 137 dah->h_wire = *h_wire; 138 return dah; 139 } 140 141 142 enum TALER_ErrorCode 143 TALER_MERCHANT_delete_private_account_start ( 144 struct TALER_MERCHANT_DeletePrivateAccountHandle *dah, 145 TALER_MERCHANT_DeletePrivateAccountCallback cb, 146 TALER_MERCHANT_DELETE_PRIVATE_ACCOUNT_RESULT_CLOSURE *cb_cls) 147 { 148 CURL *eh; 149 150 dah->cb = cb; 151 dah->cb_cls = cb_cls; 152 { 153 char h_wire_str[sizeof (dah->h_wire) * 2]; 154 char *path; 155 char *end; 156 157 end = GNUNET_STRINGS_data_to_string (&dah->h_wire, 158 sizeof (dah->h_wire), 159 h_wire_str, 160 sizeof (h_wire_str)); 161 *end = '\0'; 162 GNUNET_asprintf (&path, 163 "private/accounts/%s", 164 h_wire_str); 165 dah->url = TALER_url_join (dah->base_url, 166 path, 167 NULL); 168 GNUNET_free (path); 169 } 170 if (NULL == dah->url) 171 return TALER_EC_GENERIC_CONFIGURATION_INVALID; 172 eh = TALER_MERCHANT_curl_easy_get_ (dah->url); 173 if (NULL == eh) 174 return TALER_EC_GENERIC_CONFIGURATION_INVALID; 175 GNUNET_assert (CURLE_OK == 176 curl_easy_setopt (eh, 177 CURLOPT_CUSTOMREQUEST, 178 MHD_HTTP_METHOD_DELETE)); 179 dah->job = GNUNET_CURL_job_add (dah->ctx, 180 eh, 181 &handle_delete_account_finished, 182 dah); 183 if (NULL == dah->job) 184 return TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE; 185 return TALER_EC_NONE; 186 } 187 188 189 void 190 TALER_MERCHANT_delete_private_account_cancel ( 191 struct TALER_MERCHANT_DeletePrivateAccountHandle *dah) 192 { 193 if (NULL != dah->job) 194 { 195 GNUNET_CURL_job_cancel (dah->job); 196 dah->job = NULL; 197 } 198 GNUNET_free (dah->url); 199 GNUNET_free (dah->base_url); 200 GNUNET_free (dah); 201 } 202 203 204 /* end of merchant_api_delete-private-accounts-H_WIRE-new.c */