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<?php
/**
* SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
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;
/**
* @param ITimeFactory $timeFactory
*/
public function __construct(
protected IL10N $l,
protected ITimeFactory $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, $value) {
[$time1, $timezone1] = explode(' ', $value);
[$hour1, $minute1] = explode(':', $time1);
$date1 = new \DateTime('now', new \DateTimeZone($timezone1));
$date1->setTimestamp($currentTimestamp);
$date1->setTime((int)$hour1, (int)$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);
$time1 = \DateTime::createFromFormat('H:i e', (string)$values[0]);
if ($time1 === false) {
throw new \UnexpectedValueException($this->l->t('The given start time is invalid'), 3);
}
$time2 = \DateTime::createFromFormat('H:i e', (string)$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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