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/*
This file is part of TALER
Copyright (C) 2023 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file taler-exchange-httpd_common_kyc.h
* @brief shared logic for finishing a KYC process
* @author Christian Grothoff
*/
#ifndef TALER_EXCHANGE_HTTPD_COMMON_KYC_H
#define TALER_EXCHANGE_HTTPD_COMMON_KYC_H
#include <gnunet/gnunet_util_lib.h>
#include <gnunet/gnunet_json_lib.h>
#include <jansson.h>
#include <microhttpd.h>
#include "taler_json_lib.h"
#include "taler_mhd_lib.h"
#include "taler-exchange-httpd.h"
/**
* Function called after the KYC-AML trigger is done.
*
* @param cls closure
* @param http_status final HTTP status to return
* @param[in] response final HTTP ro return
*/
typedef void
(*TEH_KycAmlTriggerCallback) (
void *cls,
unsigned int http_status,
struct MHD_Response *response);
/**
* Handle for an asynchronous operation to finish
* a KYC process after running the AML trigger.
*/
struct TEH_KycAmlTrigger;
// FIXME: also pass async log context and set it!
/**
* We have finished a KYC process and obtained new
* @a attributes for a given @a account_id.
* Check with the KYC-AML trigger to see if we need
* to initiate an AML process, and store the attributes
* in the database. Then call @a cb.
*
* @param scope the HTTP request logging scope
* @param process_row legitimization process the webhook was about
* @param account_id account the webhook was about
* @param provider_section name of the configuration section of the logic that was run
* @param provider_user_id set to user ID at the provider, or NULL if not supported or unknown
* @param provider_legitimization_id set to legitimization process ID at the provider, or NULL if not supported or unknown
* @param expiration until when is the KYC check valid
* @param attributes user attributes returned by the provider
* @param http_status HTTP status code of @a response
* @param[in] response to return to the HTTP client
* @param cb function to call with the result
* @param cb_cls closure for @a cb
* @return handle to cancel the operation
*/
struct TEH_KycAmlTrigger *
TEH_kyc_finished (const struct GNUNET_AsyncScopeId *scope,
uint64_t process_row,
const struct TALER_PaytoHashP *account_id,
const char *provider_section,
const char *provider_user_id,
const char *provider_legitimization_id,
struct GNUNET_TIME_Absolute expiration,
const json_t *attributes,
unsigned int http_status,
struct MHD_Response *response,
TEH_KycAmlTriggerCallback cb,
void *cb_cls);
/**
* Cancel KYC finish operation.
*
* @param[in] kat operation to abort
*/
void
TEH_kyc_finished_cancel (struct TEH_KycAmlTrigger *kat);
/**
* Update state of a legitmization process to 'finished'
* (and failed, no attributes were obtained).
*
* @param process_row legitimization process the webhook was about
* @param account_id account the webhook was about
* @param provider_section name of the configuration section of the logic that was run
* @param provider_user_id set to user ID at the provider, or NULL if not supported or unknown
* @param provider_legitimization_id set to legitimization process ID at the provider, or NULL if not supported or unknown
* @return true on success, false if updating the database failed
*/
bool
TEH_kyc_failed (uint64_t process_row,
const struct TALER_PaytoHashP *account_id,
const char *provider_section,
const char *provider_user_id,
const char *provider_legitimization_id);
#endif
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