164 lines
4.3 KiB
C
164 lines
4.3 KiB
C
/*
|
|
This file is part of TALER
|
|
Copyright (C) 2022 Taler Systems SA
|
|
|
|
TALER is free software; you can redistribute it and/or modify it under the
|
|
terms of the GNU General Public License as published by the Free Software
|
|
Foundation; either version 3, or (at your option) any later version.
|
|
|
|
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
|
|
*/
|
|
/**
|
|
* @file exchangedb/pg_select_kyc_attributes.c
|
|
* @brief Implementation of the select_kyc_attributes function for Postgres
|
|
* @author Christian Grothoff
|
|
*/
|
|
#include "platform.h"
|
|
#include "taler_error_codes.h"
|
|
#include "taler_dbevents.h"
|
|
#include "taler_pq_lib.h"
|
|
#include "pg_select_kyc_attributes.h"
|
|
#include "pg_helper.h"
|
|
|
|
|
|
/**
|
|
* Closure for #get_attributes_cb().
|
|
*/
|
|
struct GetAttributesContext
|
|
{
|
|
/**
|
|
* Function to call per result.
|
|
*/
|
|
TALER_EXCHANGEDB_AttributeCallback cb;
|
|
|
|
/**
|
|
* Closure for @e cb.
|
|
*/
|
|
void *cb_cls;
|
|
|
|
/**
|
|
* Plugin context.
|
|
*/
|
|
struct PostgresClosure *pg;
|
|
|
|
/**
|
|
* Key of our query.
|
|
*/
|
|
const struct TALER_PaytoHashP *h_payto;
|
|
|
|
/**
|
|
* Flag set to #GNUNET_OK as long as everything is fine.
|
|
*/
|
|
enum GNUNET_GenericReturnValue status;
|
|
|
|
};
|
|
|
|
|
|
/**
|
|
* Invoke the callback for each result.
|
|
*
|
|
* @param cls a `struct GetAttributesContext *`
|
|
* @param result SQL result
|
|
* @param num_results number of rows in @a result
|
|
*/
|
|
static void
|
|
get_attributes_cb (void *cls,
|
|
PGresult *result,
|
|
unsigned int num_results)
|
|
{
|
|
struct GetAttributesContext *ctx = cls;
|
|
|
|
for (unsigned int i = 0; i < num_results; i++)
|
|
{
|
|
struct GNUNET_TIME_Timestamp collection_time;
|
|
struct GNUNET_TIME_Timestamp expiration_time;
|
|
size_t enc_attributes_size;
|
|
void *enc_attributes;
|
|
char *provider;
|
|
char *birthdate = NULL;
|
|
struct GNUNET_PQ_ResultSpec rs[] = {
|
|
GNUNET_PQ_result_spec_string ("provider",
|
|
&provider),
|
|
GNUNET_PQ_result_spec_allow_null (
|
|
GNUNET_PQ_result_spec_string ("birthdate",
|
|
&birthdate),
|
|
NULL),
|
|
GNUNET_PQ_result_spec_timestamp ("collection_time",
|
|
&collection_time),
|
|
GNUNET_PQ_result_spec_timestamp ("expiration_time",
|
|
&expiration_time),
|
|
GNUNET_PQ_result_spec_variable_size ("encrypted_attributes",
|
|
&enc_attributes,
|
|
&enc_attributes_size),
|
|
GNUNET_PQ_result_spec_end
|
|
};
|
|
|
|
if (GNUNET_OK !=
|
|
GNUNET_PQ_extract_result (result,
|
|
rs,
|
|
i))
|
|
{
|
|
GNUNET_break (0);
|
|
ctx->status = GNUNET_SYSERR;
|
|
return;
|
|
}
|
|
ctx->cb (ctx->cb_cls,
|
|
ctx->h_payto,
|
|
provider,
|
|
birthdate,
|
|
collection_time,
|
|
expiration_time,
|
|
enc_attributes_size,
|
|
enc_attributes);
|
|
GNUNET_PQ_cleanup_result (rs);
|
|
}
|
|
}
|
|
|
|
|
|
enum GNUNET_DB_QueryStatus
|
|
TEH_PG_select_kyc_attributes (
|
|
void *cls,
|
|
const struct TALER_PaytoHashP *h_payto,
|
|
TALER_EXCHANGEDB_AttributeCallback cb,
|
|
void *cb_cls)
|
|
{
|
|
struct PostgresClosure *pg = cls;
|
|
struct GNUNET_PQ_QueryParam params[] = {
|
|
GNUNET_PQ_query_param_auto_from_type (h_payto),
|
|
GNUNET_PQ_query_param_end
|
|
};
|
|
struct GetAttributesContext ctx = {
|
|
.cb = cb,
|
|
.cb_cls = cb_cls,
|
|
.pg = pg,
|
|
.h_payto = h_payto,
|
|
.status = GNUNET_OK
|
|
};
|
|
enum GNUNET_DB_QueryStatus qs;
|
|
|
|
PREPARE (pg,
|
|
"select_kyc_attributes",
|
|
"SELECT "
|
|
" provider"
|
|
",birthdate"
|
|
",collection_time"
|
|
",expiration_time"
|
|
",encrypted_attributes"
|
|
" FROM kyc_attributes"
|
|
" WHERE h_payto=$1");
|
|
qs = GNUNET_PQ_eval_prepared_multi_select (
|
|
pg->conn,
|
|
"select_kyc_attributes",
|
|
params,
|
|
&get_attributes_cb,
|
|
&ctx);
|
|
if (GNUNET_OK != ctx.status)
|
|
return GNUNET_DB_STATUS_HARD_ERROR;
|
|
return qs;
|
|
}
|