diff --git a/application/src/Structur/Facade/Security/AbstractSourceFasade.php b/application/src/Structur/Facade/Security/AbstractSourceFasade.php
new file mode 100644
index 0000000..2a99960
--- /dev/null
+++ b/application/src/Structur/Facade/Security/AbstractSourceFasade.php
@@ -0,0 +1,71 @@
+<?php
+namespace App\Structur\Facade\Security;
+
+use App\Entity\NodeInterface;
+use App\Entity\SourceInterface;
+use App\Entity\User;
+use App\DBAL\Types\RightType;
+use App\DBAL\Types\LayerType;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+abstract class AbstractSourceFasade implements SourceInterface
+{
+    /**
+     *
+     * @var User
+     */
+    protected static $user;
+
+    /**
+     *
+     * @var SourceInterface
+     */
+    protected $source;
+
+    public static function setUser(User $user): void
+    {
+        self::$user = $user;
+    }
+    
+    public function __construct(SourceInterface $source)
+    {
+        $this->source = $source;
+    }
+
+    public function setId(int $id): void
+    {
+        throw \Exception("The id can't be changed!");
+    }
+
+    public function setNode(NodeInterface $node): void
+    {
+        throw \Exception("The node can't be changed!");
+    }
+
+    public function getId(): int
+    {
+        if($this->isGranted(RightType::READ)){
+            return $source->getId();
+        }
+    }
+
+    public function getNode(): NodeInterface
+    {
+        if($this->isGranted(RightType::READ,LayerType::NODE)){
+            return $source->getId();
+        }
+    }
+
+    protected function isGranted(string $right,string $layer): bool
+    {
+        return $this->getNode()
+            ->getLaw()
+            ->isGranted(self::$user->getSource()
+            ->getNode(), self::$layer, $right);
+    }
+}
+