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/Util/LoggerSettingsCheck.php

@@ -0,0 +1,91 @@
+<?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\Util;
+
+use Friendica\Core\Config\Capability\IManageConfigValues;
+use Friendica\Core\L10n;
+use Friendica\Core\Logger\Capabilities\ICheckLoggerSettings;
+use Friendica\Core\Logger\Exception\LoggerUnusableException;
+
+/** {@inheritDoc} */
+class LoggerSettingsCheck implements ICheckLoggerSettings
+{
+	/** @var IManageConfigValues */
+	protected $config;
+	/** @var $fileSystem */
+	protected $fileSystem;
+	/** @var L10n */
+	protected $l10n;
+
+	public function __construct(IManageConfigValues $config, FileSystem $fileSystem, L10n $l10n)
+	{
+		$this->config     = $config;
+		$this->fileSystem = $fileSystem;
+		$this->l10n       = $l10n;
+	}
+
+	/** {@inheritDoc} */
+	public function checkLogfile(): ?string
+	{
+		// Check logfile permission
+		if ($this->config->get('system', 'debugging')) {
+			$file = $this->config->get('system', 'logfile');
+
+			try {
+				$stream = $this->fileSystem->createStream($file);
+
+				if (!isset($stream)) {
+					throw new LoggerUnusableException('Stream is null.');
+				}
+			} catch (\Throwable $exception) {
+				return $this->l10n->t('The logfile \'%s\' is not usable. No logging possible (error: \'%s\')', $file, $exception->getMessage());
+			}
+		}
+
+		return null;
+	}
+
+	/** {@inheritDoc} */
+	public function checkDebugLogfile(): ?string
+	{
+		// Check logfile permission
+		if ($this->config->get('system', 'debugging')) {
+			$file = $this->config->get('system', 'dlogfile');
+
+			if (empty($file)) {
+				return null;
+			}
+
+			try {
+				$stream = $this->fileSystem->createStream($file);
+
+				if (!isset($stream)) {
+					throw new LoggerUnusableException('Stream is null.');
+				}
+			} catch (\Throwable $exception) {
+				return $this->l10n->t('The debug logfile \'%s\' is not usable. No logging possible (error: \'%s\')', $file, $exception->getMessage());
+			}
+		}
+
+		return null;
+	}
+}