Fixed PHP error in UserHelper when having no user session

app/Helper/UserHelper.php

@@ -107,6 +107,10 @@ class UserHelper extends Base
      */
     public function hasAccess($controller, $action)
     {
+        if (! $this->userSession->isLogged()) {
+            return false;
+        }
+
         $key = 'app_access:'.$controller.$action;
         $result = $this->memoryCache->get($key);
 
@@ -128,6 +132,10 @@ class UserHelper extends Base
      */
     public function hasProjectAccess($controller, $action, $project_id)
     {
+        if (! $this->userSession->isLogged()) {
+            return false;
+        }
+
         if ($this->userSession->isAdmin()) {
             return true;
         }

tests/units/Helper/UserHelperTest.php

@@ -31,6 +31,12 @@ class UserHelperTest extends Base
         $this->assertEquals('Project Viewer', $helper->getRoleName(Role::PROJECT_VIEWER));
     }
 
+    public function testHasAccessWithoutSession()
+    {
+        $helper = new UserHelper($this->container);
+        $this->assertFalse($helper->hasAccess('UserCreationController', 'create'));
+    }
+
     public function testHasAccessForAdmins()
     {
         $helper = new UserHelper($this->container);
@@ -73,6 +79,15 @@ class UserHelperTest extends Base
         $this->assertTrue($helper->hasAccess('ProjectCreationController', 'createPrivate'));
     }
 
+    public function testHasProjectAccessWithoutSession()
+    {
+        $helper = new UserHelper($this->container);
+        $project = new ProjectModel($this->container);
+
+        $this->assertEquals(1, $project->create(array('name' => 'My project')));
+        $this->assertFalse($helper->hasProjectAccess('ProjectEditController', 'edit', 1));
+    }
+
     public function testHasProjectAccessForAdmins()
     {
         $helper = new UserHelper($this->container);