135 lines
4.1 KiB
PHP
135 lines
4.1 KiB
PHP
<?php
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namespace Icinga\Module\Director\PropertyModifier;
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use Icinga\Data\Filter\FilterExpression;
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use Icinga\Exception\ConfigurationError;
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use Icinga\Module\Director\Hook\PropertyModifierHook;
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use Icinga\Module\Director\Web\Form\QuickForm;
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class PropertyModifierRejectOrSelect extends PropertyModifierHook
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{
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/** @var FilterExpression */
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private $filterExpression;
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public function getName()
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{
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return 'Black or White-list rows based on property value';
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}
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/**
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* @inheritdoc
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* @throws \Zend_Form_Exception
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*/
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public static function addSettingsFormFields(QuickForm $form)
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{
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$form->addElement('select', 'filter_method', [
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'label' => $form->translate('Filter method'),
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'required' => true,
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'value' => 'wildcard',
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'multiOptions' => $form->optionalEnum([
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'wildcard' => $form->translate('Simple match with wildcards (*)'),
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'regex' => $form->translate('Regular Expression'),
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'is_true' => $form->translate('Match boolean TRUE'),
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'is_false' => $form->translate('Match boolean FALSE'),
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'is_null' => $form->translate('Match NULL value columns'),
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]),
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'class' => 'autosubmit',
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]);
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$form->addElement('text', 'filter_string', [
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'label' => 'Filter',
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'description' => $form->translate(
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'The string/pattern you want to search for. Depends on the'
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. ' chosen method, use www.* or *linux* for wildcard matches'
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. ' and expression like /^www\d+\./ in case you opted for a'
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. ' regular expression'
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),
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'required' => true,
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]);
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$form->addElement('select', 'policy', [
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'label' => $form->translate('Policy'),
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'required' => true,
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'description' => $form->translate(
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'What should happen with the row, when this property matches the given expression?'
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),
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'value' => 'reject',
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'multiOptions' => [
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'reject' => $form->translate('Reject the whole row (Blacklist)'),
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'keep' => $form->translate('Keep only matching rows (Whitelist)'),
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],
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]);
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}
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public function matchesRegexp($string, $expression)
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{
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return preg_match($expression, $string);
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}
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public function isNull($string, $expression)
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{
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return $string === null;
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}
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public function isTrue($string, $expression)
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{
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return $string === true;
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}
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public function isFalse($string, $expression)
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{
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return $string === false;
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}
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public function matchesWildcard($string, $expression)
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{
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return $this->filterExpression->matches(
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(object) ['value' => $string]
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);
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}
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public function transform($value)
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{
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$method = $this->getSetting('filter_method');
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$filter = $this->getSetting('filter_string');
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$policy = $this->getSetting('policy');
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switch ($method) {
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case 'wildcard':
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$func = 'matchesWildcard';
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$this->filterExpression = new FilterExpression('value', '=', $filter);
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break;
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case 'regex':
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$func = 'matchesRegexp';
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break;
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case 'is_null':
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$func = 'isNull';
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break;
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case 'is_true':
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$func = 'isTrue';
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break;
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case 'is_false':
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$func = 'isFalse';
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break;
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default:
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throw new ConfigurationError(
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'%s is not a valid value for an ArrayFilter filter_method',
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var_export($method, 1)
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);
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}
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if ($this->$func($value, $filter)) {
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if ($policy === 'reject') {
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$this->rejectRow();
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}
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} else {
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if ($policy === 'keep') {
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$this->rejectRow();
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}
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}
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return $value;
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}
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}
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