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<?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/>.
**/
/**
* Validate only trigger event name field expression macros, other macros will be ignored.
*/
class CEventNameValidator extends CValidator {
/**
* Returns true if the given $value is valid, or set's an error and returns false otherwise.
*
* @param $value
*
* @return bool
*/
public function validate($value) {
$p = 0;
$expr_macro = new CExpressionMacroParser([
'usermacros' => true,
'lldmacros' => true,
'host_macro_n' => true,
'empty_host' => true
]);
$expr_func_macro = new CExpressionMacroFunctionParser([
'usermacros' => true,
'lldmacros' => true,
'host_macro_n' => true,
'empty_host' => true
]);
while (isset($value[$p])) {
if (substr($value, $p, 3) === '{{?') {
if ($expr_func_macro->parse($value, $p) != CParser::PARSE_FAIL) {
$p += $expr_func_macro->getLength();
continue;
}
$p++;
}
if (substr($value, $p, 2) === '{?') {
if ($expr_macro->parse($value, $p) == CParser::PARSE_FAIL) {
$this->setError($expr_macro->getError());
return false;
}
$p += $expr_macro->getLength();
continue;
}
$p++;
}
return true;
}
}
|
