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/*
This file is part of TALER
(C) 2020-2023 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 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 taler-merchant-httpd_private-patch-instances-ID.c
* @brief implementing PATCH /instances/$ID request handling
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler-merchant-httpd_private-patch-instances-ID.h"
#include "taler-merchant-httpd_helper.h"
#include <taler/taler_json_lib.h>
#include <taler/taler_dbevents.h>
/**
* How often do we retry the simple INSERT database transaction?
*/
#define MAX_RETRIES 3
/**
* Free memory used by @a wm
*
* @param wm wire method to free
*/
static void
free_wm (struct TMH_WireMethod *wm)
{
GNUNET_free (wm->payto_uri);
GNUNET_free (wm->wire_method);
GNUNET_free (wm);
}
/**
* PATCH configuration of an existing instance, given its configuration.
*
* @param mi instance to patch
* @param connection the MHD connection to handle
* @param[in,out] hc context with further information about the request
* @return MHD result code
*/
static MHD_RESULT
patch_instances_ID (struct TMH_MerchantInstance *mi,
struct MHD_Connection *connection,
struct TMH_HandlerContext *hc)
{
struct TALER_MERCHANTDB_InstanceSettings is;
const char *name;
const char *uts = "business";
struct TMH_WireMethod *wm_head = NULL;
struct TMH_WireMethod *wm_tail = NULL;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_string ("name",
&name),
GNUNET_JSON_spec_mark_optional (
GNUNET_JSON_spec_string ("user_type",
&uts),
NULL),
GNUNET_JSON_spec_mark_optional (
GNUNET_JSON_spec_string ("website",
(const char **) &is.website),
NULL),
GNUNET_JSON_spec_mark_optional (
GNUNET_JSON_spec_string ("email",
(const char **) &is.email),
NULL),
GNUNET_JSON_spec_mark_optional (
GNUNET_JSON_spec_string ("logo",
(const char **) &is.logo),
NULL),
GNUNET_JSON_spec_json ("address",
&is.address),
GNUNET_JSON_spec_json ("jurisdiction",
&is.jurisdiction),
GNUNET_JSON_spec_bool ("use_stefan",
&is.use_stefan),
GNUNET_JSON_spec_relative_time ("default_wire_transfer_delay",
&is.default_wire_transfer_delay),
GNUNET_JSON_spec_relative_time ("default_pay_delay",
&is.default_pay_delay),
GNUNET_JSON_spec_end ()
};
enum GNUNET_DB_QueryStatus qs;
GNUNET_assert (NULL != mi);
memset (&is,
0,
sizeof (is));
{
enum GNUNET_GenericReturnValue res;
res = TALER_MHD_parse_json_data (connection,
hc->request_body,
spec);
if (GNUNET_OK != res)
return (GNUNET_NO == res)
? MHD_YES
: MHD_NO;
}
if (NULL == uts)
uts = "business";
if (GNUNET_OK !=
TALER_KYCLOGIC_kyc_user_type_from_string (uts,
&is.ut))
{
GNUNET_break_op (0);
GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"user_type");
}
if (! TMH_location_object_valid (is.address))
{
GNUNET_break_op (0);
GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"address");
}
if ( (NULL != is.logo) &&
(! TMH_image_data_url_valid (is.logo)) )
{
GNUNET_break_op (0);
GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"logo");
}
if (! TMH_location_object_valid (is.jurisdiction))
{
GNUNET_break_op (0);
GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"jurisdiction");
}
for (unsigned int retry = 0; retry<MAX_RETRIES; retry++)
{
/* Cleanup after earlier loops */
{
struct TMH_WireMethod *wm;
while (NULL != (wm = wm_head))
{
GNUNET_CONTAINER_DLL_remove (wm_head,
wm_tail,
wm);
free_wm (wm);
}
}
if (GNUNET_OK !=
TMH_db->start (TMH_db->cls,
"PATCH /instances"))
{
GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_START_FAILED,
NULL);
}
/* Check for equality of settings */
if (! ( (0 == strcmp (mi->settings.name,
name)) &&
(mi->settings.ut == is.ut) &&
((mi->settings.email == is.email) ||
(NULL != is.email && NULL != mi->settings.email &&
0 == strcmp (mi->settings.email,
is.email))) &&
((mi->settings.website == is.website) ||
(NULL != is.website && NULL != mi->settings.website &&
0 == strcmp (mi->settings.website,
is.website))) &&
((mi->settings.logo == is.logo) ||
(NULL != is.logo && NULL != mi->settings.logo &&
0 == strcmp (mi->settings.logo,
is.logo))) &&
(1 == json_equal (mi->settings.address,
is.address)) &&
(1 == json_equal (mi->settings.jurisdiction,
is.jurisdiction)) &&
(mi->settings.use_stefan == is.use_stefan) &&
(GNUNET_TIME_relative_cmp (mi->settings.default_wire_transfer_delay,
==,
is.default_wire_transfer_delay)) &&
(GNUNET_TIME_relative_cmp (mi->settings.default_pay_delay,
==,
is.default_pay_delay)) ) )
{
is.id = mi->settings.id;
is.name = GNUNET_strdup (name);
qs = TMH_db->update_instance (TMH_db->cls,
&is);
GNUNET_free (is.name);
if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs)
{
TMH_db->rollback (TMH_db->cls);
if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
goto retry;
else
goto giveup;
}
}
qs = TMH_db->commit (TMH_db->cls);
retry:
if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
continue;
break;
} /* for(... MAX_RETRIES) */
giveup:
/* Update our 'settings' */
GNUNET_free (mi->settings.name);
GNUNET_free (mi->settings.email);
GNUNET_free (mi->settings.website);
GNUNET_free (mi->settings.logo);
json_decref (mi->settings.address);
json_decref (mi->settings.jurisdiction);
is.id = mi->settings.id;
mi->settings = is;
// mi->settings.user_type = (enum TALER_KYCLOGIC_KycUserType) is.user_type;
mi->settings.address = json_incref (mi->settings.address);
mi->settings.jurisdiction = json_incref (mi->settings.jurisdiction);
mi->settings.name = GNUNET_strdup (name);
if (NULL != is.email)
mi->settings.email = GNUNET_strdup (is.email);
if (NULL != is.website)
mi->settings.website = GNUNET_strdup (is.website);
if (NULL != is.logo)
mi->settings.logo = GNUNET_strdup (is.logo);
GNUNET_JSON_parse_free (spec);
TMH_reload_instances (mi->settings.id);
return TALER_MHD_reply_static (connection,
MHD_HTTP_NO_CONTENT,
NULL,
NULL,
0);
}
MHD_RESULT
TMH_private_patch_instances_ID (const struct TMH_RequestHandler *rh,
struct MHD_Connection *connection,
struct TMH_HandlerContext *hc)
{
struct TMH_MerchantInstance *mi = hc->instance;
return patch_instances_ID (mi,
connection,
hc);
}
MHD_RESULT
TMH_private_patch_instances_default_ID (const struct TMH_RequestHandler *rh,
struct MHD_Connection *connection,
struct TMH_HandlerContext *hc)
{
struct TMH_MerchantInstance *mi;
mi = TMH_lookup_instance (hc->infix);
if (NULL == mi)
{
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_NOT_FOUND,
TALER_EC_MERCHANT_GENERIC_INSTANCE_UNKNOWN,
hc->infix);
}
if (mi->deleted)
{
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_CONFLICT,
TALER_EC_MERCHANT_PRIVATE_PATCH_INSTANCES_PURGE_REQUIRED,
hc->infix);
}
return patch_instances_ID (mi,
connection,
hc);
}
/* end of taler-merchant-httpd_private-patch-instances-ID.c */
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