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/Addon/Model/AddonLoader.php

@@ -0,0 +1,70 @@
+<?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\Addon\Model;
+
+use Friendica\Core\Addon\Capabilities\ICanLoadAddons;
+use Friendica\Core\Addon\Exception\AddonInvalidConfigFileException;
+use Friendica\Core\Config\Capability\IManageConfigValues;
+use Friendica\Util\Strings;
+
+class AddonLoader implements ICanLoadAddons
+{
+	const STATIC_PATH = 'static';
+	/** @var string */
+	protected $basePath;
+	/** @var IManageConfigValues */
+	protected $config;
+
+	public function __construct(string $basePath, IManageConfigValues $config)
+	{
+		$this->basePath = $basePath;
+		$this->config   = $config;
+	}
+
+	/** {@inheritDoc} */
+	public function getActiveAddonConfig(string $configName): array
+	{
+		$addons       = array_keys(array_filter($this->config->get('addons') ?? []));
+		$returnConfig = [];
+
+		foreach ($addons as $addon) {
+			$addonName = Strings::sanitizeFilePathItem(trim($addon));
+
+			$configFile = $this->basePath . '/addon/' . $addonName . '/' . static::STATIC_PATH . '/' . $configName . '.config.php';
+
+			if (!file_exists($configFile)) {
+				// Addon unmodified, skipping
+				continue;
+			}
+
+			$config = include $configFile;
+
+			if (!is_array($config)) {
+				throw new AddonInvalidConfigFileException('Error loading config file ' . $configFile);
+			}
+
+			$returnConfig = array_merge_recursive($returnConfig, $config);
+		}
+
+		return $returnConfig;
+	}
+}