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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 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 lib/exchange_api_management_add_partner.c
* @brief functions to add an partner by an AML officer
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "taler_exchange_service.h"
#include "exchange_api_curl_defaults.h"
#include "taler_signatures.h"
#include "taler_curl_lib.h"
#include "taler_json_lib.h"
struct TALER_EXCHANGE_ManagementAddPartner
{
/**
* The url for this request.
*/
char *url;
/**
* Minor context that holds body and headers.
*/
struct TALER_CURL_PostContext post_ctx;
/**
* Handle for the request.
*/
struct GNUNET_CURL_Job *job;
/**
* Function to call with the result.
*/
TALER_EXCHANGE_ManagementAddPartnerCallback cb;
/**
* Closure for @a cb.
*/
void *cb_cls;
/**
* Reference to the execution context.
*/
struct GNUNET_CURL_Context *ctx;
};
/**
* Function called when we're done processing the
* HTTP POST /management/partners request.
*
* @param cls the `struct TALER_EXCHANGE_ManagementAddPartner *`
* @param response_code HTTP response code, 0 on error
* @param response response body, NULL if not in JSON
*/
static void
handle_add_partner_finished (void *cls,
long response_code,
const void *response)
{
struct TALER_EXCHANGE_ManagementAddPartner *wh = cls;
const json_t *json = response;
struct TALER_EXCHANGE_ManagementAddPartnerResponse apr = {
.hr.http_status = (unsigned int) response_code,
.hr.reply = json
};
wh->job = NULL;
switch (response_code)
{
case 0:
/* no reply */
apr.hr.ec = TALER_EC_GENERIC_INVALID_RESPONSE;
apr.hr.hint = "server offline?";
break;
case MHD_HTTP_NO_CONTENT:
break;
case MHD_HTTP_FORBIDDEN:
apr.hr.ec = TALER_JSON_get_error_code (json);
apr.hr.hint = TALER_JSON_get_error_hint (json);
break;
case MHD_HTTP_CONFLICT:
apr.hr.ec = TALER_JSON_get_error_code (json);
apr.hr.hint = TALER_JSON_get_error_hint (json);
break;
default:
/* unexpected response code */
GNUNET_break_op (0);
apr.hr.ec = TALER_JSON_get_error_code (json);
apr.hr.hint = TALER_JSON_get_error_hint (json);
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Unexpected response code %u/%d for adding exchange partner\n",
(unsigned int) response_code,
(int) apr.hr.ec);
break;
}
if (NULL != wh->cb)
{
wh->cb (wh->cb_cls,
&apr);
wh->cb = NULL;
}
TALER_EXCHANGE_management_add_partner_cancel (wh);
}
struct TALER_EXCHANGE_ManagementAddPartner *
TALER_EXCHANGE_management_add_partner (
struct GNUNET_CURL_Context *ctx,
const char *url,
const struct TALER_MasterPublicKeyP *partner_pub,
struct GNUNET_TIME_Timestamp start_date,
struct GNUNET_TIME_Timestamp end_date,
struct GNUNET_TIME_Relative wad_frequency,
const struct TALER_Amount *wad_fee,
const char *partner_base_url,
const struct TALER_MasterSignatureP *master_sig,
TALER_EXCHANGE_ManagementAddPartnerCallback cb,
void *cb_cls)
{
struct TALER_EXCHANGE_ManagementAddPartner *wh;
CURL *eh;
json_t *body;
wh = GNUNET_new (struct TALER_EXCHANGE_ManagementAddPartner);
wh->cb = cb;
wh->cb_cls = cb_cls;
wh->ctx = ctx;
wh->url = TALER_url_join (url,
"management/partners",
NULL);
if (NULL == wh->url)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Could not construct request URL.\n");
GNUNET_free (wh);
return NULL;
}
body = GNUNET_JSON_PACK (
GNUNET_JSON_pack_string ("partner_base_url",
partner_base_url),
GNUNET_JSON_pack_timestamp ("start_date",
start_date),
GNUNET_JSON_pack_timestamp ("end_date",
end_date),
GNUNET_JSON_pack_time_rel ("wad_frequency",
wad_frequency),
GNUNET_JSON_pack_data_auto ("partner_pub",
&partner_pub),
GNUNET_JSON_pack_data_auto ("master_sig",
&master_sig),
TALER_JSON_pack_amount ("wad_fee",
wad_fee)
);
eh = TALER_EXCHANGE_curl_easy_get_ (wh->url);
if ( (NULL == eh) ||
(GNUNET_OK !=
TALER_curl_easy_post (&wh->post_ctx,
eh,
body)) )
{
GNUNET_break (0);
if (NULL != eh)
curl_easy_cleanup (eh);
json_decref (body);
GNUNET_free (wh->url);
return NULL;
}
json_decref (body);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Requesting URL '%s'\n",
wh->url);
wh->job = GNUNET_CURL_job_add2 (ctx,
eh,
wh->post_ctx.headers,
&handle_add_partner_finished,
wh);
if (NULL == wh->job)
{
TALER_EXCHANGE_management_add_partner_cancel (wh);
return NULL;
}
return wh;
}
void
TALER_EXCHANGE_management_add_partner_cancel (
struct TALER_EXCHANGE_ManagementAddPartner *wh)
{
if (NULL != wh->job)
{
GNUNET_CURL_job_cancel (wh->job);
wh->job = NULL;
}
TALER_curl_easy_post_finished (&wh->post_ctx);
GNUNET_free (wh->url);
GNUNET_free (wh);
}
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