Zabbix

<?php declare(strict_types = 0);

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program 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, version 3.

**

** This program 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 this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

​

class CApiPskHelper {

​

    public static function checkPskOfIdentitiesAmongGivenPairs(array $psk_pairs): void {

        $tls_psk_by_identity = [];

​

        foreach ($psk_pairs as $i => $psk_pair) {

            if (array_key_exists($psk_pair['tls_psk_identity'], $tls_psk_by_identity)

                    && $tls_psk_by_identity[$psk_pair['tls_psk_identity']] !== $psk_pair['tls_psk']) {

                throw new APIException(ZBX_API_ERROR_PARAMETERS, _s('Invalid parameter "%1$s": %2$s.',

                    '/'.($i + 1).'/tls_psk',

                    _('another tls_psk value is already associated with given tls_psk_identity')

                ));

            }

​

            $tls_psk_by_identity[$psk_pair['tls_psk_identity']] = $psk_pair['tls_psk'];

        }

    }

​

    public static function checkPskOfIdentitiesInAutoregistration(array $psk_pairs): void {

        $object_indexes = [];

        $psk_conditions = [];

​

        foreach ($psk_pairs as $i => $psk_pair) {

            if (!array_key_exists($psk_pair['tls_psk_identity'], $object_indexes)) {

                $object_indexes[$psk_pair['tls_psk_identity']] = $i;

                $psk_conditions[] = dbConditionString('tls_psk_identity', [$psk_pair['tls_psk_identity']]).

                    ' AND '.dbConditionString('tls_psk', [$psk_pair['tls_psk']], true);

            }

        }

​

        $row = DBfetch(DBselect(

            'SELECT tls_psk_identity'.

            ' FROM config_autoreg_tls'.

            ' WHERE ('.implode(') OR (', $psk_conditions).')'

        ));

​

        if ($row) {

            $i = $object_indexes[$row['tls_psk_identity']];

​

            throw new APIException(ZBX_API_ERROR_PARAMETERS, _s('Invalid parameter "%1$s": %2$s.',

                '/'.($i + 1).'/tls_psk', _('another tls_psk value is already associated with given tls_psk_identity')

            ));

        }

    }

​

    public static function checkPskOfIdentityInAutoregistration(array $psk_pair): void {

        $row = DBfetch(DBselect(