156 lines
3.1 KiB
PHP
156 lines
3.1 KiB
PHP
<?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\Auth\Cache;
|
|
|
|
use Psr\Cache\CacheItemInterface;
|
|
use Psr\Cache\CacheItemPoolInterface;
|
|
|
|
/**
|
|
* Simple in-memory cache implementation.
|
|
*/
|
|
final class MemoryCacheItemPool implements CacheItemPoolInterface
|
|
{
|
|
/**
|
|
* @var CacheItemInterface[]
|
|
*/
|
|
private $items;
|
|
|
|
/**
|
|
* @var CacheItemInterface[]
|
|
*/
|
|
private $deferredItems;
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getItem($key)
|
|
{
|
|
return current($this->getItems([$key]));
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getItems(array $keys = [])
|
|
{
|
|
$items = [];
|
|
|
|
foreach ($keys as $key) {
|
|
$this->isValidKey($key);
|
|
$items[$key] = $this->hasItem($key) ? clone $this->items[$key] : new Item($key);
|
|
}
|
|
|
|
return $items;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function hasItem($key)
|
|
{
|
|
$this->isValidKey($key);
|
|
|
|
return isset($this->items[$key]) && $this->items[$key]->isHit();
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function clear()
|
|
{
|
|
$this->items = [];
|
|
$this->deferred = [];
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function deleteItem($key)
|
|
{
|
|
return $this->deleteItems([$key]);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function deleteItems(array $keys)
|
|
{
|
|
array_walk($keys, [$this, 'isValidKey']);
|
|
|
|
foreach ($keys as $key) {
|
|
unset($this->items[$key]);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function save(CacheItemInterface $item)
|
|
{
|
|
$this->items[$item->getKey()] = $item;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function saveDeferred(CacheItemInterface $item)
|
|
{
|
|
$this->deferredItems[$item->getKey()] = $item;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function commit()
|
|
{
|
|
foreach ($this->deferredItems as $item) {
|
|
$this->save($item);
|
|
}
|
|
|
|
$this->deferredItems = [];
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Determines if the provided key is valid.
|
|
*
|
|
* @param string $key
|
|
* @return bool
|
|
* @throws InvalidArgumentException
|
|
*/
|
|
private function isValidKey($key)
|
|
{
|
|
$invalidCharacters = '{}()/\\\\@:';
|
|
|
|
if (!is_string($key) || preg_match("#[$invalidCharacters]#", $key)) {
|
|
throw new InvalidArgumentException('The provided key is not valid: ' . var_export($key, true));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|