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Editing: SystemConfig.php

<?php

/**
 * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
 * SPDX-License-Identifier: AGPL-3.0-only
 */
namespace OC;

use OCP\IConfig;

/**
 * Class which provides access to the system config values stored in config.php
 * Internal class for bootstrap only.
 * fixes cyclic DI: AllConfig needs AppConfig needs Database needs AllConfig
 */
class SystemConfig {
	protected array $sensitiveValues;

protected const DEFAULT_SENSITIVE_VALUES = [
		'instanceid' => true,
		'datadirectory' => true,
		'dbname' => true,
		'dbhost' => true,
		'dbpassword' => true,
		'dbuser' => true,
		'dbreplica' => true,
		'activity_dbname' => true,
		'activity_dbhost' => true,
		'activity_dbpassword' => true,
		'activity_dbuser' => true,
		'mail_from_address' => true,
		'mail_domain' => true,
		'mail_smtphost' => true,
		'mail_smtpname' => true,
		'mail_smtppassword' => true,
		'passwordsalt' => true,
		'secret' => true,
		'updater.secret' => true,
		'updater.server.url' => true,
		'trusted_proxies' => true,
		'preview_imaginary_url' => true,
		'preview_imaginary_key' => true,
		'proxyuserpwd' => true,
		'sentry.dsn' => true,
		'sentry.public-dsn' => true,
		'zammad.download.secret' => true,
		'zammad.portal.secret' => true,
		'zammad.secret' => true,
		'github.client_id' => true,
		'github.client_secret' => true,
		'log.condition' => [
			'shared_secret' => true,
			'matches' => true,
		],
		'license-key' => true,
		'redis' => [
			'host' => true,
			'password' => true,
		],
		'redis.cluster' => [
			'seeds' => true,
			'password' => true,
		],
		'objectstore' => [
			'arguments' => [
				// Legacy Swift (https://github.com/nextcloud/server/pull/17696#discussion_r341302207)
				'options' => [
					'credentials' => [
						'key' => true,
						'secret' => true,
					]
				],
				// S3
				'key' => true,
				'secret' => true,
				'sse_c_key' => true,
				// Swift v2
				'username' => true,
				'password' => true,
				// Swift v3
				'user' => [
					'name' => true,
					'password' => true,
				],
			],
		],
		'objectstore_multibucket' => [
			'arguments' => [
				'options' => [
					'credentials' => [
						'key' => true,
						'secret' => true,
					]
				],
				// S3
				'key' => true,
				'secret' => true,
				// Swift v2
				'username' => true,
				'password' => true,
				// Swift v3
				'user' => [
					'name' => true,
					'password' => true,
				],
			],
		],
		'onlyoffice' => [
			'jwt_secret' => true,
		],
		'PASS' => true,
	];

public function __construct(
		private Config $config,
	) {
		$this->sensitiveValues = array_merge(self::DEFAULT_SENSITIVE_VALUES, $this->config->getValue('config_extra_sensitive_values', []));
	}

/**
	 * Lists all available config keys
	 * @return array an array of key names
	 */
	public function getKeys() {
		return $this->config->getKeys();
	}

/**
	 * Sets a new system wide value
	 *
	 * @param string $key the key of the value, under which will be saved
	 * @param mixed $value the value that should be stored
	 */
	public function setValue($key, $value) {
		$this->config->setValue($key, $value);
	}

/**
	 * Sets and deletes values and writes the config.php
	 *
	 * @param array $configs Associative array with `key => value` pairs
	 *                       If value is null, the config key will be deleted
	 */
	public function setValues(array $configs) {
		$this->config->setValues($configs);
	}

/**
	 * Looks up a system wide defined value
	 *
	 * @param string $key the key of the value, under which it was saved
	 * @param mixed $default the default value to be returned if the value isn't set
	 * @return mixed the value or $default
	 */
	public function getValue($key, $default = '') {
		return $this->config->getValue($key, $default);
	}

/**
	 * Looks up a system wide defined value and filters out sensitive data
	 *
	 * @param string $key the key of the value, under which it was saved
	 * @param mixed $default the default value to be returned if the value isn't set
	 * @return mixed the value or $default
	 */
	public function getFilteredValue($key, $default = '') {
		$value = $this->getValue($key, $default);

if (isset($this->sensitiveValues[$key])) {
			$value = $this->removeSensitiveValue($this->sensitiveValues[$key], $value);
		}

return $value;
	}

/**
	 * Delete a system wide defined value
	 *
	 * @param string $key the key of the value, under which it was saved
	 */
	public function deleteValue($key) {
		$this->config->deleteKey($key);
	}

/**
	 * @param bool|array $keysToRemove
	 * @param mixed $value
	 * @return mixed
	 */
	protected function removeSensitiveValue($keysToRemove, $value) {
		if ($keysToRemove === true) {
			return IConfig::SENSITIVE_VALUE;
		}

if (is_array($value)) {
			foreach ($keysToRemove as $keyToRemove => $valueToRemove) {
				if (isset($value[$keyToRemove])) {
					$value[$keyToRemove] = $this->removeSensitiveValue($valueToRemove, $value[$keyToRemove]);
				}
			}
		}

return $value;
	}
}

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