Introduce dynamic hook loading

- Dynamically load addon files
- Dynamically load hooks
- Rewrite Logger-logic to use new hook logic (Monolog is working again)

src/Core/Logger/Factory/SyslogLogger.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2023, 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\Core\Logger\Factory;
+
+use Friendica\Core\Config\Capability\IManageConfigValues;
+use Friendica\Core\Logger\Exception\LoggerException;
+use Friendica\Core\Logger\Type\SyslogLogger as SyslogLoggerClass;
+use Psr\Log\LoggerInterface;
+use Psr\Log\LogLevel;
+
+/**
+ * The logger factory for the SyslogLogger instance
+ *
+ * @see SyslogLoggerClass
+ */
+class SyslogLogger extends AbstractLoggerTypeFactory
+{
+	/**
+	 * Creates a new PSR-3 compliant syslog logger instance
+	 *
+	 * @param IManageConfigValues $config   The system configuration
+	 *
+	 * @return LoggerInterface The PSR-3 compliant logger instance
+	 *
+	 * @throws LoggerException in case the logger cannot get created
+	 */
+	public function create(IManageConfigValues $config): LoggerInterface
+	{
+		$logOpts     = $config->get('system', 'syslog_flags') ?? SyslogLoggerClass::DEFAULT_FLAGS;
+		$logFacility = $config->get('system', 'syslog_facility') ?? SyslogLoggerClass::DEFAULT_FACILITY;
+		$loglevel    = SyslogLogger::mapLegacyConfigDebugLevel($config->get('system', 'loglevel'));
+
+		if (!array_key_exists($loglevel, SyslogLoggerClass::logLevels)) {
+			$loglevel = SyslogLoggerClass::logLevels[$loglevel];
+		} else {
+			$loglevel = SyslogLoggerClass::logLevels[LogLevel::NOTICE];
+		}
+
+		return new SyslogLoggerClass($this->channel, $this->introspection, $loglevel, $logOpts, $logFacility);
+	}
+}