1 files changed, 39 insertions, 0 deletions
diff --git a/Http/Session/SessionAuthenticationStrategy.php b/Http/Session/SessionAuthenticationStrategy.php
new file mode 100644
index 0000000..64f787f
--- /dev/null
+++ b/Http/Session/SessionAuthenticationStrategy.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Symfony\Component\Security\Http\Session;
+
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+class SessionAuthenticationStrategy implements SessionAuthenticationStrategyInterface
+{
+    const NONE         = 'none';
+    const MIGRATE      = 'migrate';
+    const INVALIDATE   = 'invalidate';
+
+    protected $strategy;
+
+    public function __construct($strategy)
+    {
+        $this->strategy = $strategy;
+    }
+
+    public function onAuthentication(Request $request, TokenInterface $token)
+    {
+        switch ($this->strategy) {
+            case self::NONE:
+                return;
+
+            case self::MIGRATE:
+                $request->getSession()->migrate();
+                return;
+
+            case self::INVALIDATE:
+                $request->getSession()->invalidate();
+                return;
+
+            default:
+                throw new \RuntimeException(sprintf('Invalid session authentication strategy "%s"', $this->strategy));
+        }
+    }
+}
+\ No newline at end of file