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<?php
/**
* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
*
* @license GNU AGPL version 3 or any later version
*
* 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, either version 3 of the
* License, or (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\WorkflowEngine\Check;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\IL10N;
use OCP\WorkflowEngine\ICheck;
class RequestTime implements ICheck {
public const REGEX_TIME = '([0-1][0-9]|2[0-3]):([0-5][0-9])';
public const REGEX_TIMEZONE = '([a-zA-Z]+(?:\\/[a-zA-Z\-\_]+)+)';
/** @var bool[] */
protected $cachedResults;
/** @var IL10N */
protected $l;
/** @var ITimeFactory */
protected $timeFactory;
/**
* @param ITimeFactory $timeFactory
*/
public function __construct(IL10N $l, ITimeFactory $timeFactory) {
$this->l = $l;
$this->timeFactory = $timeFactory;
}
/**
* @param string $operator
* @param string $value
* @return bool
*/
public function executeCheck($operator, $value) {
$valueHash = md5($value);
if (isset($this->cachedResults[$valueHash])) {
return $this->cachedResults[$valueHash];
}
$timestamp = $this->timeFactory->getTime();
$values = json_decode($value, true);
$timestamp1 = $this->getTimestamp($timestamp, $values[0]);
$timestamp2 = $this->getTimestamp($timestamp, $values[1]);
if ($timestamp1 < $timestamp2) {
$in = $timestamp1 <= $timestamp && $timestamp <= $timestamp2;
} else {
$in = $timestamp1 <= $timestamp || $timestamp <= $timestamp2;
}
return ($operator === 'in') ? $in : !$in;
}
/**
* @param int $currentTimestamp
* @param string $value Format: "H:i e"
* @return int
*/
protected function getTimestamp($currentTimestamp, $value) {
list($time1, $timezone1) = explode(' ', $value);
list($hour1, $minute1) = explode(':', $time1);
$date1 = new \DateTime('now', new \DateTimeZone($timezone1));
$date1->setTimestamp($currentTimestamp);
$date1->setTime($hour1, $minute1);
return $date1->getTimestamp();
}
/**
* @param string $operator
* @param string $value
* @throws \UnexpectedValueException
*/
public function validateCheck($operator, $value) {
if (!in_array($operator, ['in', '!in'])) {
throw new \UnexpectedValueException($this->l->t('The given operator is invalid'), 1);
}
$regexValue = '\"' . self::REGEX_TIME . ' ' . self::REGEX_TIMEZONE . '\"';
$result = preg_match('/^\[' . $regexValue . ',' . $regexValue . '\]$/', $value, $matches);
if (!$result) {
throw new \UnexpectedValueException($this->l->t('The given time span is invalid'), 2);
}
$values = json_decode($value, true);
$time1 = \DateTime::createFromFormat('H:i e', $values[0]);
if ($time1 === false) {
throw new \UnexpectedValueException($this->l->t('The given start time is invalid'), 3);
}
$time2 = \DateTime::createFromFormat('H:i e', $values[1]);
if ($time2 === false) {
throw new \UnexpectedValueException($this->l->t('The given end time is invalid'), 4);
}
}
public function isAvailableForScope(int $scope): bool {
return true;
}
/**
* returns a list of Entities the checker supports. The values must match
* the class name of the entity.
*
* An empty result means the check is universally available.
*
* @since 18.0.0
*/
public function supportedEntities(): array {
return [];
}
}
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