API: New classes for OAuth and basic auth

src/Security/BasicAuth.php

@@ -0,0 +1,85 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, the Friendica project
+ *
+ * @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\Security;
+
+use Friendica\Database\DBA;
+use Friendica\DI;
+
+/**
+ * Authentification via the basic auth method
+ */
+class BasicAuth
+{
+	/**
+	 * @var bool|int
+	 */
+	protected static $current_user_id = 0;
+	/**
+	 * @var array
+	 */
+	protected static $current_token = [];
+
+	/**
+	 * Fetch a dummy application token
+	 *
+	 * @return array token
+	 */
+	public static function getCurrentApplicationToken()
+	{
+		if (empty(self::getCurrentUserID())) {
+			return [];
+		}
+
+		if (!empty(self::$current_token)) {
+			return self::$current_token;
+		}
+
+		self::$current_token = [
+			'uid'        => self::$current_user_id,
+			'id'         => 0,
+			'name'       => api_source(),
+			'website'    => '',
+			'created_at' => DBA::NULL_DATETIME,
+			'read'       => true,
+			'write'      => true, 
+			'follow'     => true, 
+			'push'       => false];
+
+		return self::$current_token;
+	}
+
+	/**
+	 * Get current user id, returns 0 if not logged in
+	 *
+	 * @return int User ID
+	 */
+	public static function getCurrentUserID(bool $login = true)
+	{
+		if (empty(self::$current_user_id)) {
+			api_login(DI::app(), $login);
+
+			self::$current_user_id = api_user();
+		}
+
+		return (int)self::$current_user_id;
+	}
+}