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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/>.
**/
class CActionCondValidator extends CValidator {
/**
* Returns true if the given $value is valid, or set's an error and returns false otherwise.
*
* @param array $condition
*
* @return bool
*/
public function validate($condition) {
// Build validators.
$discoveryCheckTypeValidator = new CLimitedSetValidator([
'values' => array_keys(discovery_check_type2str())
]);
$discoveryObjectStatusValidator = new CLimitedSetValidator([
'values' => array_keys(discovery_object_status2str())
]);
$triggerSeverityValidator = new CLimitedSetValidator([
'values' => [
TRIGGER_SEVERITY_NOT_CLASSIFIED,
TRIGGER_SEVERITY_INFORMATION,
TRIGGER_SEVERITY_WARNING,
TRIGGER_SEVERITY_AVERAGE,
TRIGGER_SEVERITY_HIGH,
TRIGGER_SEVERITY_DISASTER
]
]);
$discoveryObjectValidator = new CLimitedSetValidator([
'values' => array_keys(discovery_object2str())
]);
$eventTypeValidator = new CLimitedSetValidator([
'values' => array_keys(eventType())
]);
// Validate condition values depending on condition type.
switch ($condition['conditiontype']) {
case ZBX_CONDITION_TYPE_HOST_GROUP:
case ZBX_CONDITION_TYPE_TEMPLATE:
case ZBX_CONDITION_TYPE_TRIGGER:
case ZBX_CONDITION_TYPE_HOST:
case ZBX_CONDITION_TYPE_DRULE:
case ZBX_CONDITION_TYPE_PROXY:
case ZBX_CONDITION_TYPE_SERVICE:
if (zbx_empty($condition['value']) || $condition['value'] == 0) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty')));
}
elseif (is_array($condition['value'])) {
foreach ($condition['value'] as $value) {
if (zbx_empty($value) || $value == 0) {
$this->setError(
_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty'))
);
break;
}
}
}
break;
case ZBX_CONDITION_TYPE_DCHECK:
if (!$condition['value']) {
$this->setError(
_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty'))
);
}
break;
case ZBX_CONDITION_TYPE_DOBJECT:
if (zbx_empty($condition['value'])) {
$this->setError(
_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty'))
);
}
elseif (!$discoveryObjectValidator->validate($condition['value'])) {
$this->setError(_('Incorrect action condition discovery object.'));
}
break;
case ZBX_CONDITION_TYPE_TIME_PERIOD:
$time_period_parser = new CTimePeriodsParser(['usermacros' => true]);
if ($time_period_parser->parse($condition['value']) != CParser::PARSE_SUCCESS) {
$this->setError(_('Invalid time period.'));
}
break;
case ZBX_CONDITION_TYPE_DHOST_IP:
$ip_range_parser = new CIPRangeParser(['v6' => ZBX_HAVE_IPV6, 'dns' => false, 'max_ipv4_cidr' => 30]);
if (zbx_empty($condition['value'])) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty')));
}
elseif (!$ip_range_parser->parse($condition['value'])) {
$this->setError(_s('Invalid action condition: %1$s.', $ip_range_parser->getError()));
}
break;
case ZBX_CONDITION_TYPE_DSERVICE_TYPE:
if (zbx_empty($condition['value'])) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty')));
}
elseif (!$discoveryCheckTypeValidator->validate($condition['value'])) {
$this->setError(_('Incorrect action condition discovery check.'));
}
break;
case ZBX_CONDITION_TYPE_DSERVICE_PORT:
if (zbx_empty($condition['value'])) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty')));
}
elseif (!validate_port_list($condition['value'])) {
$this->setError(_s('Incorrect action condition port "%1$s".', $condition['value']));
}
break;
case ZBX_CONDITION_TYPE_DSTATUS:
if (zbx_empty($condition['value'])) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty')));
}
elseif (!$discoveryObjectStatusValidator->validate($condition['value'])) {
$this->setError(_('Incorrect action condition discovery status.'));
}
break;
case ZBX_CONDITION_TYPE_SUPPRESSED:
if (!zbx_empty($condition['value'])) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('should be empty')));
}
break;
case ZBX_CONDITION_TYPE_TRIGGER_SEVERITY:
if (zbx_empty($condition['value'])) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty')));
}
elseif (!$triggerSeverityValidator->validate($condition['value'])) {
$this->setError(_('Incorrect action condition trigger severity.'));
}
break;
case ZBX_CONDITION_TYPE_EVENT_TYPE:
if (zbx_empty($condition['value'])) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty')));
}
elseif (!$eventTypeValidator->validate($condition['value'])) {
$this->setError(_('Incorrect action condition event type.'));
}
break;
case ZBX_CONDITION_TYPE_DUPTIME:
if (!ctype_digit(strval($condition['value'])) || $condition['value'] > SEC_PER_MONTH) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value',
_s('value must be between "%1$s" and "%2$s"', 0, SEC_PER_MONTH)
));
}
break;
case ZBX_CONDITION_TYPE_DVALUE:
if (array_key_exists('operator', $condition) && $condition['value'] === ''
&& ($condition['operator'] == CONDITION_OPERATOR_EQUAL
|| $condition['operator'] == CONDITION_OPERATOR_NOT_EQUAL)) {
break;
}
// break; is not missing here
case ZBX_CONDITION_TYPE_EVENT_NAME:
case ZBX_CONDITION_TYPE_HOST_NAME:
case ZBX_CONDITION_TYPE_HOST_METADATA:
case ZBX_CONDITION_TYPE_EVENT_TAG:
case ZBX_CONDITION_TYPE_SERVICE_NAME:
if (zbx_empty($condition['value'])) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty')));
}
break;
case ZBX_CONDITION_TYPE_EVENT_TAG_VALUE:
if (!is_string($condition['value2']) || $condition['value2'] === '') {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value2', _('cannot be empty')));
}
elseif (!is_string($condition['value'])) {
$this->setError(
_s('Incorrect value for field "%1$s": %2$s.', 'value', _('a character string is expected'))
);
}
elseif (array_key_exists('operator', $condition) && $condition['value'] === ''
&& ($condition['operator'] == CONDITION_OPERATOR_LIKE
|| $condition['operator'] == CONDITION_OPERATOR_NOT_LIKE)) {
$this->setError(_s('Incorrect value for field "%1$s": %2$s.', 'value', _('cannot be empty')));
}
break;
default:
$this->setError(_('Incorrect action condition type.'));
}
// If no error is not set, return true.
return !(bool) $this->getError();
}
}
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