132 lines
3.2 KiB
PHP
132 lines
3.2 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation\Session\Storage;
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use Symfony\Component\HttpFoundation\Session\SessionBagInterface;
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/**
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* Metadata container.
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*
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* Adds metadata to the session.
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*
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* @author Drak <drak@zikula.org>
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*/
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class MetadataBag implements SessionBagInterface
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{
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public const CREATED = 'c';
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public const UPDATED = 'u';
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public const LIFETIME = 'l';
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protected array $meta = [self::CREATED => 0, self::UPDATED => 0, self::LIFETIME => 0];
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private string $name = '__metadata';
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private int $lastUsed;
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/**
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* @param string $storageKey The key used to store bag in the session
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* @param int $updateThreshold The time to wait between two UPDATED updates
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*/
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public function __construct(
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private string $storageKey = '_sf2_meta',
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private int $updateThreshold = 0,
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) {
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}
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public function initialize(array &$array): void
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{
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$this->meta = &$array;
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if (isset($array[self::CREATED])) {
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$this->lastUsed = $this->meta[self::UPDATED];
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$timeStamp = time();
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if ($timeStamp - $array[self::UPDATED] >= $this->updateThreshold) {
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$this->meta[self::UPDATED] = $timeStamp;
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}
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} else {
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$this->stampCreated();
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}
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}
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/**
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* Gets the lifetime that the session cookie was set with.
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*/
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public function getLifetime(): int
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{
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return $this->meta[self::LIFETIME];
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}
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/**
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* Stamps a new session's metadata.
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*
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* @param int|null $lifetime Sets the cookie lifetime for the session cookie. A null value
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* will leave the system settings unchanged, 0 sets the cookie
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* to expire with browser session. Time is in seconds, and is
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* not a Unix timestamp.
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*/
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public function stampNew(?int $lifetime = null): void
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{
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$this->stampCreated($lifetime);
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}
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public function getStorageKey(): string
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{
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return $this->storageKey;
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}
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/**
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* Gets the created timestamp metadata.
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*
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* @return int Unix timestamp
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*/
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public function getCreated(): int
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{
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return $this->meta[self::CREATED];
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}
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/**
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* Gets the last used metadata.
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*
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* @return int Unix timestamp
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*/
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public function getLastUsed(): int
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{
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return $this->lastUsed;
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}
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public function clear(): mixed
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{
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// nothing to do
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return null;
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}
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public function getName(): string
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{
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return $this->name;
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}
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/**
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* Sets name.
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*/
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public function setName(string $name): void
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{
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$this->name = $name;
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}
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private function stampCreated(?int $lifetime = null): void
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{
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$timeStamp = time();
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$this->meta[self::CREATED] = $this->meta[self::UPDATED] = $this->lastUsed = $timeStamp;
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$this->meta[self::LIFETIME] = $lifetime ?? (int) \ini_get('session.cookie_lifetime');
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}
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}
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