FM / Cache

/var/www/flurhymez/vendor/google/auth/src/Cache/

/var/www/flurhymez/vendor/google/auth/src/Cache

Name	Size	Mode	Actions
InvalidArgumentException.php	812	0644	edit dl rm
Item.php	4283	0644	edit dl rm
MemoryCacheItemPool.php	3175	0644	edit dl rm
SysVCacheItemPool.php	6026	0644	edit dl rm

Edit: /var/www/flurhymez/vendor/google/auth/src/Cache/SysVCacheItemPool.php (6026B)

<?php
/**
 * Copyright 2018 Google Inc. All Rights Reserved.
 *
 * 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;

/**
 * SystemV shared memory based CacheItemPool implementation.
 *
 * This CacheItemPool implementation can be used among multiple processes, but
 * it doesn't provide any locking mechanism. If multiple processes write to
 * this ItemPool, you have to avoid race condition manually in your code.
 */
class SysVCacheItemPool implements CacheItemPoolInterface
{
    const VAR_KEY = 1;

const DEFAULT_PROJ = 'A';

const DEFAULT_MEMSIZE = 10000;

const DEFAULT_PERM = 0600;

/** @var int */
    private $sysvKey;

/**
     * @var CacheItemInterface[]
     */
    private $items;

/**
     * @var CacheItemInterface[]
     */
    private $deferredItems;

/**
     * @var array
     */
    private $options;

/*
     * @var bool
     */
    private $hasLoadedItems = false;

/**
     * Create a SystemV shared memory based CacheItemPool.
     *
     * @param array $options [optional] Configuration options.
     * @param int $options.variableKey The variable key for getting the data from
     *        the shared memory. **Defaults to** 1.
     * @param $options.proj string The project identifier for ftok. This needs to
     *        be a one character string. **Defaults to** 'A'.
     * @param $options.memsize int The memory size in bytes for shm_attach.
     *        **Defaults to** 10000.
     * @param $options.perm int The permission for shm_attach. **Defaults to**
     *        0600.
     */
    public function __construct($options = [])
    {
        if (! extension_loaded('sysvshm')) {
            throw new \RuntimeException(
                'sysvshm extension is required to use this ItemPool'
            );
        }
        $this->options = $options + [
            'variableKey' => self::VAR_KEY,
            'proj' => self::DEFAULT_PROJ,
            'memsize' => self::DEFAULT_MEMSIZE,
            'perm' => self::DEFAULT_PERM
        ];
        $this->items = [];
        $this->deferredItems = [];
        $this->sysvKey = ftok(__FILE__, $this->options['proj']);
    }

public function getItem($key)
    {
        $this->loadItems();
        return current($this->getItems([$key]));
    }

/**
     * {@inheritdoc}
     */
    public function getItems(array $keys = [])
    {
        $this->loadItems();
        $items = [];
        foreach ($keys as $key) {
            $items[$key] = $this->hasItem($key) ?
                clone $this->items[$key] :
                new Item($key);
        }
        return $items;
    }

/**
     * {@inheritdoc}
     */
    public function hasItem($key)
    {
        $this->loadItems();
        return isset($this->items[$key]) && $this->items[$key]->isHit();
    }

/**
     * {@inheritdoc}
     */
    public function clear()
    {
        $this->items = [];
        $this->deferredItems = [];
        return $this->saveCurrentItems();
    }

/**
     * {@inheritdoc}
     */
    public function deleteItem($key)
    {
        return $this->deleteItems([$key]);
    }

/**
     * {@inheritdoc}
     */
    public function deleteItems(array $keys)
    {
        if (!$this->hasLoadedItems) {
            $this->loadItems();
        }

foreach ($keys as $key) {
            unset($this->items[$key]);
        }
        return $this->saveCurrentItems();
    }

/**
     * {@inheritdoc}
     */
    public function save(CacheItemInterface $item)
    {
        if (!$this->hasLoadedItems) {
            $this->loadItems();
        }

$this->items[$item->getKey()] = $item;
        return $this->saveCurrentItems();
    }

/**
     * {@inheritdoc}
     */
    public function saveDeferred(CacheItemInterface $item)
    {
        $this->deferredItems[$item->getKey()] = $item;
        return true;
    }

/**
     * {@inheritdoc}
     */
    public function commit()
    {
        foreach ($this->deferredItems as $item) {
            if ($this->save($item) === false) {
                return false;
            }
        }
        $this->deferredItems = [];
        return true;
    }

/**
     * Save the current items.
     *
     * @return bool true when success, false upon failure
     */
    private function saveCurrentItems()
    {
        $shmid = shm_attach(
            $this->sysvKey,
            $this->options['memsize'],
            $this->options['perm']
        );
        if ($shmid !== false) {
            $ret = shm_put_var(
                $shmid,
                $this->options['variableKey'],
                $this->items
            );
            shm_detach($shmid);
            return $ret;
        }
        return false;
    }

/**
     * Load the items from the shared memory.
     *
     * @return bool true when success, false upon failure
     */
    private function loadItems()
    {
        $shmid = shm_attach(
            $this->sysvKey,
            $this->options['memsize'],
            $this->options['perm']
        );
        if ($shmid !== false) {
            $data = @shm_get_var($shmid, $this->options['variableKey']);
            if (!empty($data)) {
                $this->items = $data;
            } else {
                $this->items = [];
            }
            shm_detach($shmid);
            $this->hasLoadedItems = true;
            return true;
        }
        return false;
    }
}

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