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<?php
/*
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace Google\Site_Kit_Dependencies\Google\Auth\Cache;
use DateTime;
use DateTimeInterface;
use DateTimeZone;
use Google\Site_Kit_Dependencies\Psr\Cache\CacheItemInterface;
use TypeError;
/**
* A cache item.
*
* This class will be used by MemoryCacheItemPool and SysVCacheItemPool
* on PHP 7.4 and below. It is compatible with psr/cache 1.0 and 2.0 (PSR-6).
* @see TypedItem for compatiblity with psr/cache 3.0.
*/
final class Item implements \Google\Site_Kit_Dependencies\Psr\Cache\CacheItemInterface
{
/**
* @var string
*/
private $key;
/**
* @var mixed
*/
private $value;
/**
* @var DateTimeInterface|null
*/
private $expiration;
/**
* @var bool
*/
private $isHit = \false;
/**
* @param string $key
*/
public function __construct($key)
{
$this->key = $key;
}
/**
* {@inheritdoc}
*/
public function getKey()
{
return $this->key;
}
/**
* {@inheritdoc}
*/
public function get()
{
return $this->isHit() ? $this->value : null;
}
/**
* {@inheritdoc}
*/
public function isHit()
{
if (!$this->isHit) {
return \false;
}
if ($this->expiration === null) {
return \true;
}
return $this->currentTime()->getTimestamp() < $this->expiration->getTimestamp();
}
/**
* {@inheritdoc}
*/
public function set($value)
{
$this->isHit = \true;
$this->value = $value;
return $this;
}
/**
* {@inheritdoc}
*/
public function expiresAt($expiration)
{
if ($this->isValidExpiration($expiration)) {
$this->expiration = $expiration;
return $this;
}
$error = \sprintf('Argument 1 passed to %s::expiresAt() must implement interface DateTimeInterface, %s given', \get_class($this), \gettype($expiration));
throw new \TypeError($error);
}
/**
* {@inheritdoc}
*/
public function expiresAfter($time)
{
if (\is_int($time)) {
$this->expiration = $this->currentTime()->add(new \DateInterval("PT{$time}S"));
} elseif ($time instanceof \DateInterval) {
$this->expiration = $this->currentTime()->add($time);
} elseif ($time === null) {
$this->expiration = $time;
} else {
$message = 'Argument 1 passed to %s::expiresAfter() must be an ' . 'instance of DateInterval or of the type integer, %s given';
$error = \sprintf($message, \get_class($this), \gettype($time));
throw new \TypeError($error);
}
return $this;
}
/**
* Determines if an expiration is valid based on the rules defined by PSR6.
*
* @param mixed $expiration
* @return bool
*/
private function isValidExpiration($expiration)
{
if ($expiration === null) {
return \true;
}
if ($expiration instanceof \DateTimeInterface) {
return \true;
}
return \false;
}
/**
* @return DateTime
*/
protected function currentTime()
{
return new \DateTime('now', new \DateTimeZone('UTC'));
}
}