Provide OpenWebAuth related data

src/Protocol/ZOT.php

@@ -0,0 +1,80 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2024, 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\Protocol;
+
+use Friendica\App;
+use Friendica\Core\Addon;
+use Friendica\Core\Logger;
+use Friendica\DI;
+use Friendica\Module;
+use Friendica\Module\Register;
+
+/**
+ * ZOT Protocol class
+ *
+ * This class contains functionality that is needed for OpenWebAuth, which is part of ZOT.
+ * Friendica doesn't support the ZOT protocol itself.
+ */
+class ZOT
+{
+	/**
+	 * Checks if the web request is done for the AP protocol
+	 *
+	 * @return bool is it ZOT?
+	 */
+	public static function isRequest(): bool
+	{
+		if (stristr($_SERVER['HTTP_ACCEPT'] ?? '', 'application/x-zot+json')) {
+			Logger::debug('Is ZOT request', ['accept' => $_SERVER['HTTP_ACCEPT'], 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']);
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Get information about this site
+	 *
+	 * @return array
+	 */
+	public static function getSiteInfo(): array
+	{
+		$policies = [
+			Module\Register::OPEN    => 'open',
+			Module\Register::APPROVE => 'approve',
+			Module\Register::CLOSED  => 'closed',
+		];
+
+		return [
+			'url'             => (string)DI::baseUrl(),
+			'openWebAuth'     => (string)DI::baseUrl() . '/owa',
+			'authRedirect'    => (string)DI::baseUrl() . '/magic',
+			'register_policy' => $policies[Register::getPolicy()],
+			'accounts'        => DI::keyValue()->get('nodeinfo_total_users'),
+			'plugins'         => Addon::getVisibleList(),
+			'sitename'        => DI::config()->get('config', 'sitename'),
+			'about'           => DI::config()->get('config', 'info'),
+			'project'         => App::PLATFORM,
+			'version'         => App::VERSION,
+		];
+	}
+}