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<?php |
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/** |
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* @copyright Copyright (c) 2016 Joas Schilling <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\WorkflowEngine\Check; |
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use OCP\IL10N; |
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use OCP\WorkflowEngine\ICheck; |
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use OCP\WorkflowEngine\IManager; |
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abstract class AbstractStringCheck implements ICheck { |
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/** @var array[] Nested array: [Pattern => [ActualValue => Regex Result]] */ |
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protected $matches; |
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/** @var IL10N */ |
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protected $l; |
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/** |
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* @param IL10N $l |
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*/ |
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public function __construct(IL10N $l) { |
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$this->l = $l; |
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} |
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/** |
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* @return string |
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*/ |
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abstract protected function getActualValue(); |
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/** |
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* @param string $operator |
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* @param string $value |
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* @return bool |
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*/ |
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public function executeCheck($operator, $value) { |
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$actualValue = $this->getActualValue(); |
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return $this->executeStringCheck($operator, $value, $actualValue); |
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} |
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/** |
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* @param string $operator |
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* @param string $checkValue |
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* @param string $actualValue |
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* @return bool |
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*/ |
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protected function executeStringCheck($operator, $checkValue, $actualValue) { |
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if ($operator === 'is') { |
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return $checkValue === $actualValue; |
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} else if ($operator === '!is') { |
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return $checkValue !== $actualValue; |
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} else { |
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$match = $this->match($checkValue, $actualValue); |
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if ($operator === 'matches') { |
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return $match === 1; |
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} else { |
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return $match === 0; |
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} |
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} |
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} |
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/** |
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* @param string $operator |
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* @param string $value |
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* @throws \UnexpectedValueException |
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*/ |
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public function validateCheck($operator, $value) { |
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if (!in_array($operator, ['is', '!is', 'matches', '!matches'])) { |
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throw new \UnexpectedValueException($this->l->t('The given operator is invalid'), 1); |
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} |
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if (in_array($operator, ['matches', '!matches']) && |
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@preg_match($value, null) === false) { |
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throw new \UnexpectedValueException($this->l->t('The given regular expression is invalid'), 2); |
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} |
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} |
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public function supportedEntities(): array { |
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// universal by default |
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return []; |
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} |
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public function isAvailableForScope(int $scope): bool { |
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// admin only by default |
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return $scope === IManager::SCOPE_ADMIN; |
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} |
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/** |
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* @param string $pattern |
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* @param string $subject |
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* @return int|bool |
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*/ |
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protected function match($pattern, $subject) { |
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$patternHash = md5($pattern); |
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$subjectHash = md5($subject); |
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if (isset($this->matches[$patternHash][$subjectHash])) { |
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return $this->matches[$patternHash][$subjectHash]; |
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} |
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if (!isset($this->matches[$patternHash])) { |
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$this->matches[$patternHash] = []; |
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} |
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$this->matches[$patternHash][$subjectHash] = preg_match($pattern, $subject); |
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return $this->matches[$patternHash][$subjectHash]; |
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} |
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} |
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nextcloud /
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