diff --git a/application/src/Controller/ActivationInterface.php b/application/src/Controller/ActivationInterface.php
new file mode 100644
index 0000000..63d2f7b
--- /dev/null
+++ b/application/src/Controller/ActivationInterface.php
@@ -0,0 +1,17 @@
+<?php
+namespace App\Controller;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface ActivationInterface
+{
+    public function deactivate():Response;
+    
+    public function activate():Response;
+}
+
diff --git a/application/src/Controller/CreationInterface.php b/application/src/Controller/CreationInterface.php
new file mode 100644
index 0000000..7b50092
--- /dev/null
+++ b/application/src/Controller/CreationInterface.php
@@ -0,0 +1,17 @@
+<?php
+namespace App\Controller;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface CreationInterface
+{
+    public function create():Response;
+    
+    public function delete():Response;
+}
+
diff --git a/application/src/Controller/ModificationInterface.php b/application/src/Controller/ModificationInterface.php
new file mode 100644
index 0000000..f5d8d00
--- /dev/null
+++ b/application/src/Controller/ModificationInterface.php
@@ -0,0 +1,13 @@
+<?php
+namespace App\Controller;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface ModificationInterface
+{
+    public function modify(int $id):Response;
+}
+
diff --git a/application/src/Controller/SourceController.php b/application/src/Controller/SourceController.php
new file mode 100644
index 0000000..1654b44
--- /dev/null
+++ b/application/src/Controller/SourceController.php
@@ -0,0 +1,12 @@
+<?php
+namespace App\Controller;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+class SourceController implements NodeControllerInterface
+{
+}
+
diff --git a/application/src/Controller/SourceControllerInterface.php b/application/src/Controller/SourceControllerInterface.php
new file mode 100644
index 0000000..2cd5e98
--- /dev/null
+++ b/application/src/Controller/SourceControllerInterface.php
@@ -0,0 +1,15 @@
+<?php
+namespace App\Controller;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface SourceControllerInterface extends CreationInterface, ActivationInterface, ModificationInterface
+{
+    public function show(int $id):Response;
+}
+
diff --git a/application/src/Controller/UserController.php b/application/src/Controller/UserController.php
new file mode 100644
index 0000000..9c08f9a
--- /dev/null
+++ b/application/src/Controller/UserController.php
@@ -0,0 +1,12 @@
+<?php
+namespace App\Controller;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+class UserController implements UserControllerInterface
+{
+}
+
diff --git a/application/src/Controller/UserControllerInterface.php b/application/src/Controller/UserControllerInterface.php
new file mode 100644
index 0000000..09f0bb9
--- /dev/null
+++ b/application/src/Controller/UserControllerInterface.php
@@ -0,0 +1,18 @@
+<?php
+namespace App\Controller;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface UserControllerInterface extends CreationInterface, ActivationInterface,ModificationInterface
+{
+    public function logout():Response;
+    
+    public function login():Response;
+    
+    public function register():Response;
+}
diff --git a/application/src/Entity/AbstractSource.php b/application/src/Entity/AbstractSource.php
new file mode 100644
index 0000000..67b6a42
--- /dev/null
+++ b/application/src/Entity/AbstractSource.php
@@ -0,0 +1,41 @@
+<?php
+namespace App\Entity;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+class AbstractSource implements SourceInterface
+{  
+    /**
+     * 
+     * @var Node
+     */
+    protected $node;
+    
+    /**
+     * 
+     * @var ConfigurationInterface
+     */
+    protected $configuration;
+    
+    /**
+     *
+     * @var int
+     */
+    protected $id;
+    
+    public function setId(int $id): void
+    {}
+    
+    public function setNode(NodeInterface $node): void
+    {}
+    
+    public function getId(): int
+    {}
+    
+    public function getNode(): NodeInterface
+    {}
+    
+}
\ No newline at end of file
diff --git a/application/src/Entity/Configuration.php b/application/src/Entity/Configuration.php
new file mode 100644
index 0000000..259c2ab
--- /dev/null
+++ b/application/src/Entity/Configuration.php
@@ -0,0 +1,29 @@
+<?php
+namespace App\Entity;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+class Configuration extends AbstractSource implements ConfigurationInterface
+{
+    /**
+     * 
+     * @var PropertyInterface
+     */
+    protected $read;
+    
+    /**
+     * 
+     * @var PropertyInterface
+     */
+    protected $write;
+    
+    /**
+     * 
+     * @var PropertyInterface
+     */
+    protected $administrate;
+}
+
diff --git a/application/src/Entity/ConfigurationInterface.php b/application/src/Entity/ConfigurationInterface.php
new file mode 100644
index 0000000..e7ab06a
--- /dev/null
+++ b/application/src/Entity/ConfigurationInterface.php
@@ -0,0 +1,24 @@
+<?php
+namespace App\Entity;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface ConfigurationInterface
+{
+    public function setRead(Property $read):void;
+    
+    public function getRead():Property;
+    
+    public function setWrite(Property $write):void;
+    
+    public function getWrite():Property;
+    
+    public function setAdministrate(Property $administrate):void;
+    
+    public function getAdministrate():Property;
+    
+}
+
diff --git a/application/src/Entity/Node.php b/application/src/Entity/Node.php
new file mode 100644
index 0000000..3db34d7
--- /dev/null
+++ b/application/src/Entity/Node.php
@@ -0,0 +1,59 @@
+<?php
+namespace App\Entity;
+
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+class Node implements NodeInterface
+{
+    /**
+     * 
+     * @var int
+     */
+    protected $id;
+    
+    /**
+     * 
+     * @var SourceInterface
+     */
+    protected $source;
+    
+    /**
+     * 
+     * @var ArrayCollection|Node[]
+     */
+    protected $parents;
+    
+    /**
+     * 
+     * @var ArrayCollection|Node[]
+     */
+    protected $childs;
+    
+    public function getParents(): ArrayCollection
+    {}
+
+    public function setParents(ArrayCollection $parents): void
+    {}
+
+    public function getChilds(): ArrayCollection
+    {}
+
+    public function setChilds(ArrayCollection $childs): void
+    {}
+    
+    public function getId(): int
+    {}
+
+    public function setSource(SourceInterface $source)
+    {}
+
+    public function getSource(): SourceInterface
+    {}
+
+}
+
diff --git a/application/src/Entity/NodeInterface.php b/application/src/Entity/NodeInterface.php
new file mode 100644
index 0000000..ec5e9c9
--- /dev/null
+++ b/application/src/Entity/NodeInterface.php
@@ -0,0 +1,27 @@
+<?php
+namespace App\Entity;
+
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface NodeInterface
+{
+    public function getId():int;
+    
+    public function setParents(ArrayCollection $parents):void;
+    
+    public function getParents():ArrayCollection;
+    
+    public function setChilds(ArrayCollection $childs):void;
+    
+    public function getChilds():ArrayCollection;
+    
+    public function getSource():SourceInterface;
+    
+    public function setSource(SourceInterface $source):void;
+}
+
diff --git a/application/src/Entity/Property.php b/application/src/Entity/Property.php
new file mode 100644
index 0000000..b024f12
--- /dev/null
+++ b/application/src/Entity/Property.php
@@ -0,0 +1,32 @@
+<?php
+namespace App\Entity;
+
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+class Property extends AbstractSource implements PropertyInterface
+{
+    /**
+     * 
+     * @var ArrayCollection|NodeInterface[]
+     */
+    protected $whitelist;
+    
+    /**
+     * 
+     * @var ArrayCollection|NodeInterface[]
+     */
+    protected $blacklist;
+    
+    public function getLegitimated(): ArrayCollection
+    {}
+
+    public function isLegitimated(SourceInterface $source): bool
+    {}
+
+}
+
diff --git a/application/src/Entity/PropertyInterface.php b/application/src/Entity/PropertyInterface.php
new file mode 100644
index 0000000..bdaa237
--- /dev/null
+++ b/application/src/Entity/PropertyInterface.php
@@ -0,0 +1,17 @@
+<?php
+namespace App\Entity;
+
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface PropertyInterface
+{
+    public function isLegitimated(SourceInterface $source):bool;
+    
+    public function getLegitimated():ArrayCollection;
+}
+
diff --git a/application/src/Entity/SourceInterface.php b/application/src/Entity/SourceInterface.php
new file mode 100644
index 0000000..3cce441
--- /dev/null
+++ b/application/src/Entity/SourceInterface.php
@@ -0,0 +1,19 @@
+<?php
+namespace App\Entity;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface SourceInterface
+{
+    public function setId(int $id):void;
+    
+    public function getId():int;
+    
+    public function setNode(NodeInterface $node):void;
+    
+    public function getNode():NodeInterface;
+}
+
diff --git a/application/src/Entity/User.php b/application/src/Entity/User.php
new file mode 100644
index 0000000..337816b
--- /dev/null
+++ b/application/src/Entity/User.php
@@ -0,0 +1,12 @@
+<?php
+namespace App\Entity;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+class User extends AbstractSource implements UserInterface
+{
+}
+
diff --git a/application/src/Entity/UserInterface.php b/application/src/Entity/UserInterface.php
new file mode 100644
index 0000000..51cbc35
--- /dev/null
+++ b/application/src/Entity/UserInterface.php
@@ -0,0 +1,13 @@
+<?php
+namespace App\Entity;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface UserInterface
+{
+    
+}
+