Zabbix

<?php

/*

** 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/>.

**/

​

​

require_once dirname(__FILE__).'/../../include/triggers.inc.php';

​

class CControllerPopupTestTriggerExpr extends CController {

    private $defined_error_phrases = [];

    private $expression = '';

    private $fields = [];

    private $macros_data = [];

    private $data_table_rows = [];

    private $allowed_testing = true;

    private $supported_token_types = [

        CExpressionParserResult::TOKEN_TYPE_HIST_FUNCTION,

        CExpressionParserResult::TOKEN_TYPE_MACRO,

        CExpressionParserResult::TOKEN_TYPE_USER_MACRO,

        CExpressionParserResult::TOKEN_TYPE_LLD_MACRO,

        CExpressionParserResult::TOKEN_TYPE_STRING

    ];

​

    protected function init() {

        $this->disableCsrfValidation();

​

        define('ZBX_PAGE_NO_MENU', true);

        define('NO_LINK_IN_TESTING', true);

​

        $this->defined_error_phrases = [

            EXPRESSION_HOST_UNKNOWN => _('Unknown host, no such host present in system'),

            EXPRESSION_HOST_ITEM_UNKNOWN => _('Unknown host item, no such item in selected host'),

            EXPRESSION_NOT_A_MACRO_ERROR => _('Given expression is not a macro'),

            EXPRESSION_FUNCTION_UNKNOWN => _('Incorrect function is used'),

            EXPRESSION_UNSUPPORTED_VALUE_TYPE => _('Incorrect item value type')

        ];

​

        // Must be done before input validation, because validated fields depends on tokens included in the expression.

        if (array_key_exists('expression', $_REQUEST)) {

            $this->expression = $_REQUEST['expression'];

        }

​

        $expression_parser = new CExpressionParser(['usermacros' => true, 'lldmacros' => true]);

​

        if ($expression_parser->parse($this->expression) == CParser::PARSE_SUCCESS) {

            $this->macros_data = [];

​

            foreach ($expression_parser->getResult()->getTokensOfTypes($this->supported_token_types) as $token) {

                if ($token['type'] == CExpressionParserResult::TOKEN_TYPE_STRING) {

                    $matched_macros = CMacrosResolverGeneral::extractMacros(

                        [CExpressionParser::unquoteString($token['match'])],

                        [

                            'macros' => [

                                'trigger' => ['{TRIGGER.VALUE}']

                            ],

                            'lldmacros' => true,

                            'usermacros' => true

                        ]

                    );

​

                    $macros = array_merge(array_keys($matched_macros['usermacros'] + $matched_macros['lldmacros']),

                        $matched_macros['macros']['trigger']

                    );

                }

                else {

                    $macros = [$token['match']];

                }

​

                foreach ($macros as $macro) {

                    if (array_key_exists($macro, $this->macros_data)) {

                        continue;

                    }

​

                    $row = (new CRow())->addItem(

                        (new CCol($macro))

                            ->addClass(ZBX_STYLE_OVERFLOW_ELLIPSIS)

                            ->addStyle('max-width: '.ZBX_TEXTAREA_BIG_WIDTH.'px;')

                    );

                    $fname = 'test_data_'.md5($macro);

                    $this->macros_data[$macro] = array_key_exists($fname, $_REQUEST) ? $_REQUEST[$fname] : '';

                    $info = get_item_function_info($macro);