104 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?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\Handler;
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use Predis\Response\ErrorInterface;
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use Relay\Relay;
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/**
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 * Redis based session storage handler based on the Redis class
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 * provided by the PHP redis extension.
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 *
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 * @author Dalibor Karlović <dalibor@flexolabs.io>
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 */
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class RedisSessionHandler extends AbstractSessionHandler
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{
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    /**
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     * Key prefix for shared environments.
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     */
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    private string $prefix;
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    /**
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     * Time to live in seconds.
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     */
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    private int|\Closure|null $ttl;
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    /**
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     * List of available options:
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     *  * prefix: The prefix to use for the keys in order to avoid collision on the Redis server
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     *  * ttl: The time to live in seconds.
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     *
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     * @throws \InvalidArgumentException When unsupported client or options are passed
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     */
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    public function __construct(
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        private \Redis|Relay|\RedisArray|\RedisCluster|\Predis\ClientInterface $redis,
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        array $options = [],
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    ) {
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        if ($diff = array_diff(array_keys($options), ['prefix', 'ttl'])) {
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            throw new \InvalidArgumentException(\sprintf('The following options are not supported "%s".', implode(', ', $diff)));
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        }
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        $this->prefix = $options['prefix'] ?? 'sf_s';
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        $this->ttl = $options['ttl'] ?? null;
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    }
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    protected function doRead(#[\SensitiveParameter] string $sessionId): string
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    {
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        return $this->redis->get($this->prefix.$sessionId) ?: '';
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    }
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    protected function doWrite(#[\SensitiveParameter] string $sessionId, string $data): bool
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    {
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        $ttl = ($this->ttl instanceof \Closure ? ($this->ttl)() : $this->ttl) ?? \ini_get('session.gc_maxlifetime');
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        $result = $this->redis->setEx($this->prefix.$sessionId, (int) $ttl, $data);
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        return $result && !$result instanceof ErrorInterface;
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    }
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    protected function doDestroy(#[\SensitiveParameter] string $sessionId): bool
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    {
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        static $unlink = true;
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        if ($unlink) {
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            try {
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                $unlink = false !== $this->redis->unlink($this->prefix.$sessionId);
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            } catch (\Throwable) {
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                $unlink = false;
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            }
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        }
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        if (!$unlink) {
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            $this->redis->del($this->prefix.$sessionId);
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        }
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        return true;
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    }
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    #[\ReturnTypeWillChange]
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    public function close(): bool
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    {
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        return true;
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    }
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    public function gc(int $maxlifetime): int|false
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    {
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        return 0;
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    }
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    public function updateTimestamp(#[\SensitiveParameter] string $sessionId, string $data): bool
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    {
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        $ttl = ($this->ttl instanceof \Closure ? ($this->ttl)() : $this->ttl) ?? \ini_get('session.gc_maxlifetime');
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        return $this->redis->expire($this->prefix.$sessionId, (int) $ttl);
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    }
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}
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