sync-httpd2_get-backups-KEY-objects-UID.c (3776B)
1 /* 2 This file is part of TALER 3 Copyright (C) 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 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 Affero General Public License for more details. 12 13 You should have received a copy of the GNU Affero General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file sync-httpd2_get-backups-KEY-objects-UID.c 18 * @brief Handle GET /backups/$KEY/objects/$UID requests 19 * @author Iván Ávalos 20 */ 21 #include "platform.h" 22 #include "sync-httpd2.h" 23 #include <gnunet/gnunet_util_lib.h> 24 #include <gnunet/gnunet_json_lib.h> 25 #include <taler/taler_json_lib.h> 26 #include <taler/taler_mhd2_lib.h> 27 #include "sync-httpd2_get-backups-KEY-objects-UID.h" 28 #include <sync/sync_util.h> 29 30 31 const struct MHD_Action * 32 SH_backup_object_get (struct MHD_Request *request, 33 const struct SYNC_AccountPublicKeyP *account_pub, 34 const char *const args[], 35 uint_fast64_t upload_size, 36 bool is_update) 37 { 38 struct SYNC_ObjectUID uid; 39 struct GNUNET_HashCode object_hash; 40 int64_t refcount; 41 size_t data_size; 42 void *data = NULL; 43 enum SYNC_DB_QueryStatus qs; 44 45 (void) upload_size; 46 (void) is_update; 47 48 /* Parse UID from URL */ 49 if (GNUNET_OK != 50 GNUNET_STRINGS_string_to_data (args[0], 51 strlen (args[0]), 52 &uid, 53 sizeof (uid))) 54 { 55 return TALER_MHD2_reply_with_error ( 56 request, 57 MHD_HTTP_STATUS_BAD_REQUEST, 58 TALER_EC_GENERIC_PARAMETER_MALFORMED, 59 "uid"); 60 } 61 62 /* Look up object by UID */ 63 qs = SYNCDB_lookup_object_uid (account_pub, 64 &uid, 65 &object_hash, 66 &refcount, 67 &data_size, 68 &data); 69 switch (qs) 70 { 71 case SYNC_DB_ONE_RESULT: 72 { 73 json_t *resp_json; 74 75 resp_json = SYNC_object_entry_serialize (&uid, 76 data_size, 77 data); 78 GNUNET_free (data); 79 return TALER_MHD2_reply_json_steal (request, 80 resp_json, 81 MHD_HTTP_STATUS_OK); 82 } 83 case SYNC_DB_NO_RESULTS: 84 return TALER_MHD2_reply_with_error ( 85 request, 86 MHD_HTTP_STATUS_NOT_FOUND, 87 TALER_EC_SYNC_PREVIOUS_BACKUP_UNKNOWN, 88 "object not found"); 89 case SYNC_DB_PAYMENT_REQUIRED: 90 return TALER_MHD2_reply_with_error ( 91 request, 92 MHD_HTTP_STATUS_PAYMENT_REQUIRED, 93 TALER_EC_SYNC_ACCOUNT_UNKNOWN, 94 NULL); 95 case SYNC_DB_HARD_ERROR: 96 GNUNET_break (0); 97 return TALER_MHD2_reply_with_error ( 98 request, 99 MHD_HTTP_STATUS_INTERNAL_SERVER_ERROR, 100 TALER_EC_GENERIC_DB_COMMIT_FAILED, 101 NULL); 102 case SYNC_DB_SOFT_ERROR: 103 GNUNET_break (0); 104 return TALER_MHD2_reply_with_error ( 105 request, 106 MHD_HTTP_STATUS_INTERNAL_SERVER_ERROR, 107 TALER_EC_GENERIC_DB_SOFT_FAILURE, 108 NULL); 109 default: 110 GNUNET_break (0); 111 return TALER_MHD2_reply_with_error ( 112 request, 113 MHD_HTTP_STATUS_INTERNAL_SERVER_ERROR, 114 TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE, 115 NULL); 116 } 117 } 118 119 120 /* end of sync-httpd2_get-backups-KEY-objects-UID.c */