Add trusted browser classes

- Added some tests

src/BaseEntity.php

@@ -0,0 +1,56 @@
+<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica;
+
+use Friendica\Network\HTTPException;
+
+/**
+ * The Entity classes directly inheriting from this abstract class are meant to represent a single business entity.
+ * Their properties may or may not correspond with the database fields of the table we use to represent it.
+ * Each model method must correspond to a business action being performed on this entity.
+ * Only these methods will be allowed to alter the model data.
+ *
+ * To persist such a model, the associated Repository must be instantiated and the "save" method must be called
+ * and passed the entity as a parameter.
+ *
+ * Ideally, the constructor should only be called in the associated Factory which will instantiate entities depending
+ * on the provided data.
+ *
+ * Since these objects aren't meant to be using any dependency, including logging, unit tests can and must be
+ * written for each and all of their methods
+ */
+abstract class BaseEntity extends BaseDataTransferObject
+{
+	/**
+	 * @param string $name
+	 * @return mixed
+	 * @throws HTTPException\InternalServerErrorException
+	 */
+	public function __get(string $name)
+	{
+		if (!property_exists($this, $name)) {
+			throw new HTTPException\InternalServerErrorException('Unknown property ' . $name . ' in Entity ' . static::class);
+		}
+
+		return $this->$name;
+	}
+}