111 lines
3.3 KiB
PHP
111 lines
3.3 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\DAV\Connector\Sabre;
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use OCA\DAV\Connector\Sabre\Exception\PasswordLoginForbidden;
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use OCP\Files\StorageNotAvailableException;
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use OCP\ILogger;
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use Sabre\DAV\Exception\Forbidden;
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use Sabre\DAV\Exception\NotAuthenticated;
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use Sabre\DAV\Exception\NotFound;
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use Sabre\DAV\Exception\PreconditionFailed;
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use Sabre\DAV\Exception\ServiceUnavailable;
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class ExceptionLoggerPlugin extends \Sabre\DAV\ServerPlugin {
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protected $nonFatalExceptions = [
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NotAuthenticated::class => true,
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// If tokenauth can throw this exception (which is basically as
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// NotAuthenticated. So not fatal.
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PasswordLoginForbidden::class => true,
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// the sync client uses this to find out whether files exist,
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// so it is not always an error, log it as debug
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NotFound::class => true,
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// this one mostly happens when the same file is uploaded at
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// exactly the same time from two clients, only one client
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// wins, the second one gets "Precondition failed"
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PreconditionFailed::class => true,
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// forbidden can be expected when trying to upload to
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// read-only folders for example
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Forbidden::class => true,
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// Happens when an external storage or federated share is temporarily
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// not available
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StorageNotAvailableException::class => true,
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];
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/** @var string */
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private $appName;
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/** @var ILogger */
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private $logger;
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/**
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* @param string $loggerAppName app name to use when logging
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* @param ILogger $logger
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*/
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public function __construct($loggerAppName, $logger) {
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$this->appName = $loggerAppName;
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$this->logger = $logger;
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}
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/**
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* This initializes the plugin.
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*
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* This function is called by \Sabre\DAV\Server, after
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* addPlugin is called.
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*
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* This method should set up the required event subscriptions.
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*
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* @param \Sabre\DAV\Server $server
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* @return void
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*/
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public function initialize(\Sabre\DAV\Server $server) {
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$server->on('exception', array($this, 'logException'), 10);
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}
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/**
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* Log exception
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*
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*/
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public function logException(\Exception $ex) {
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$exceptionClass = get_class($ex);
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$level = \OCP\Util::FATAL;
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if (isset($this->nonFatalExceptions[$exceptionClass]) ||
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(
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$exceptionClass === ServiceUnavailable::class &&
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$ex->getMessage() === 'System in maintenance mode.'
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)
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) {
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$level = \OCP\Util::DEBUG;
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}
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$this->logger->logException($ex, [
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'app' => $this->appName,
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'level' => $level,
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]);
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}
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}
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