[HttpFoundation] Added possibility to configure expiration time in redis session handler

Author: mantulo

Session/Storage/Handler/RedisSessionHandler.php

@@ -30,9 +30,15 @@ class RedisSessionHandler extends AbstractSessionHandler
      */
     private $prefix;
 
+    /**
+     * @var int Time to live in seconds
+     */
+    private $ttl;
+
     /**
      * List of available options:
-     *  * prefix: The prefix to use for the keys in order to avoid collision on the Redis server.
+     *  * prefix: The prefix to use for the keys in order to avoid collision on the Redis server
+     *  * ttl: The time to live in seconds.
      *
      * @param \Redis|\RedisArray|\RedisCluster|\Predis\ClientInterface|RedisProxy $redis
      *
@@ -51,12 +57,13 @@ public function __construct($redis, array $options = [])
             throw new \InvalidArgumentException(sprintf('%s() expects parameter 1 to be Redis, RedisArray, RedisCluster or Predis\ClientInterface, %s given', __METHOD__, \is_object($redis) ? \get_class($redis) : \gettype($redis)));
         }
 
-        if ($diff = array_diff(array_keys($options), ['prefix'])) {
+        if ($diff = array_diff(array_keys($options), ['prefix', 'ttl'])) {
             throw new \InvalidArgumentException(sprintf('The following options are not supported "%s"', implode(', ', $diff)));
         }
 
         $this->redis = $redis;
         $this->prefix = $options['prefix'] ?? 'sf_s';
+        $this->ttl = $options['ttl'] ?? (int) ini_get('session.gc_maxlifetime');
     }
 
     /**
@@ -72,7 +79,7 @@ protected function doRead($sessionId): string
      */
     protected function doWrite($sessionId, $data): bool
     {
-        $result = $this->redis->setEx($this->prefix.$sessionId, (int) ini_get('session.gc_maxlifetime'), $data);
+        $result = $this->redis->setEx($this->prefix.$sessionId, $this->ttl, $data);
 
         return $result && !$result instanceof ErrorInterface;
     }
@@ -108,6 +115,6 @@ public function gc($maxlifetime): bool
      */
     public function updateTimestamp($sessionId, $data)
     {
-        return (bool) $this->redis->expire($this->prefix.$sessionId, (int) ini_get('session.gc_maxlifetime'));
+        return (bool) $this->redis->expire($this->prefix.$sessionId, $this->ttl);
     }
 }

Tests/Session/Storage/Handler/AbstractRedisSessionHandlerTestCase.php

@@ -139,7 +139,37 @@ public function getOptionFixtures(): array
     {
         return [
             [['prefix' => 'session'], true],
+            [['ttl' => 1000], true],
+            [['prefix' => 'sfs', 'ttl' => 1000], true],
             [['prefix' => 'sfs', 'foo' => 'bar'], false],
+            [['ttl' => 'sfs', 'foo' => 'bar'], false],
+        ];
+    }
+
+    /**
+     * @dataProvider getTtlFixtures
+     */
+    public function testUseTtlOption(int $ttl)
+    {
+        $options = [
+            'prefix' => self::PREFIX,
+            'ttl' => $ttl,
+        ];
+
+        $handler = new RedisSessionHandler($this->redisClient, $options);
+        $handler->write('id', 'data');
+        $redisTtl = $this->redisClient->ttl(self::PREFIX.'id');
+
+        $this->assertLessThan($redisTtl, $ttl - 5);
+        $this->assertGreaterThan($redisTtl, $ttl + 5);
+    }
+
+    public function getTtlFixtures(): array
+    {
+        return [
+            ['ttl' => 5000],
+            ['ttl' => 120],
+            ['ttl' => 60],
         ];
     }
 }