make session lifetime configurable

config/config.default.php

@@ -345,6 +345,9 @@ return [
 
         // Cookie name
         'name'   => env('SESSION_NAME', 'session'),
+
+        // Lifetime in days
+        'lifetime' => env('SESSION_LIFETIME', 30)
     ],
 
     // IP addresses of reverse proxies that are trusted, can be an array or a comma separated list

src/Http/SessionServiceProvider.php

@@ -62,6 +62,7 @@ class SessionServiceProvider extends ServiceProvider
             'options' => [
                 'cookie_httponly' => true,
                 'name'            => $sessionConfig['name'],
+                'cookie_lifetime' => (int)($sessionConfig['lifetime'] * 24 * 60 * 60),
             ],
             'handler' => $handler,
         ]);

tests/Unit/Http/SessionServiceProviderTest.php

@@ -53,13 +53,19 @@ class SessionServiceProviderTest extends ServiceProviderTest
                 [Session::class],
                 [
                     NativeSessionStorage::class,
-                    ['options' => ['cookie_httponly' => true, 'name' => 'session'], 'handler' => null],
+                    [
+                        'options' => ['cookie_httponly' => true, 'name' => 'session', 'cookie_lifetime' => 172800],
+                        'handler' => null
+                    ],
                 ],
                 [Session::class],
                 [DatabaseHandler::class],
                 [
                     NativeSessionStorage::class,
-                    ['options' => ['cookie_httponly' => true, 'name' => 'foobar'], 'handler' => $databaseHandler],
+                    [
+                        'options' => ['cookie_httponly' => true, 'name' => 'foobar', 'cookie_lifetime' => 432000],
+                        'handler' => $databaseHandler
+                    ],
                 ],
                 [Session::class]
             )
@@ -101,8 +107,8 @@ class SessionServiceProviderTest extends ServiceProviderTest
             ->method('get')
             ->with('session')
             ->willReturnOnConsecutiveCalls(
-                ['driver' => 'native', 'name' => 'session'],
+                ['driver' => 'native', 'name' => 'session', 'lifetime' => 2],
-                ['driver' => 'pdo', 'name' => 'foobar']
+                ['driver' => 'pdo', 'name' => 'foobar', 'lifetime' => 5]
             );
 
         $app->expects($this->atLeastOnce())