anastasis

Credential backup and recovery protocol and service
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anastasis-db_store_truth.c (3080B)

      1 /*
      2   This file is part of Anastasis
      3   Copyright (C) 2020-2022 Anastasis SARL
      4 
      5   Anastasis 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   Anastasis 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   Anastasis; see the file COPYING.GPL.  If not, see <http://www.gnu.org/licenses/>
     15 */
     16 /**
     17  * @file stasis/anastasis-db_store_truth.c
     18  * @brief Anastasis database: store truth
     19  * @author Christian Grothoff
     20  */
     21 #include "platform.h"
     22 #include "anastasis-db_pg.h"
     23 #include "anastasis/anastasis-database/store_truth.h"
     24 #include "anastasis/anastasis-database/transaction.h"
     25 #include "anastasis/anastasis-database/preflight.h"
     26 #include <taler/taler_pq_lib.h>
     27 
     28 
     29 /**
     30  * Upload Truth, which contains the Truth and the KeyShare.
     31  *
     32  * @param truth_uuid the identifier for the Truth
     33  * @param key_share_data contains information of an EncryptedKeyShare
     34  * @param mime_type presumed mime type of data in @a encrypted_truth
     35  * @param encrypted_truth contains the encrypted Truth which includes the ground truth i.e. H(challenge answer), phonenumber, SMS
     36  * @param encrypted_truth_size the size of the Truth
     37  * @param method name of method
     38  * @param truth_expiration time till the according data will be stored
     39  * @return transaction status
     40  */
     41 enum GNUNET_DB_QueryStatus
     42 ANASTASIS_DB_store_truth (
     43   const struct ANASTASIS_CRYPTO_TruthUUIDP *truth_uuid,
     44   const struct ANASTASIS_CRYPTO_EncryptedKeyShareP *key_share_data,
     45   const char *mime_type,
     46   const void *encrypted_truth,
     47   size_t encrypted_truth_size,
     48   const char *method,
     49   struct GNUNET_TIME_Relative truth_expiration)
     50 {
     51   struct GNUNET_TIME_Timestamp expiration;
     52   struct GNUNET_PQ_QueryParam params[] = {
     53     GNUNET_PQ_query_param_auto_from_type (truth_uuid),
     54     GNUNET_PQ_query_param_auto_from_type (key_share_data),
     55     GNUNET_PQ_query_param_string (method),
     56     GNUNET_PQ_query_param_fixed_size (encrypted_truth,
     57                                       encrypted_truth_size),
     58     GNUNET_PQ_query_param_string (mime_type),
     59     GNUNET_PQ_query_param_timestamp (&expiration),
     60     GNUNET_PQ_query_param_end
     61   };
     62 
     63   expiration = GNUNET_TIME_relative_to_timestamp (truth_expiration);
     64   PREPARE ("truth_insert",
     65            "INSERT INTO anastasis_truth "
     66            "(truth_uuid"
     67            ",key_share_data"
     68            ",method_name"
     69            ",encrypted_truth"
     70            ",truth_mime"
     71            ",expiration"
     72            ") VALUES "
     73            "($1, $2, $3, $4, $5, $6);");
     74   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
     75                                              "truth_insert",
     76                                              params);
     77 }
     78 
     79 
     80 /* end of anastasis-db_store_truth.c */