owncloud/core

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lib/private/Repair.php

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<?php
/**
 * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
 * @author Georg Ehrke <georg@owncloud.com>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Lukas Reschke <lukas@statuscode.ch>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Roeland Jago Douma <rullzer@owncloud.com>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 * @author Vincent Petry <pvince81@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC;

use OC\Repair\CleanTags;
use OC\Repair\Collation;
use OC\Repair\DisableExtraThemes;
use OC\Repair\DropOldJobs;
use OC\Repair\MoveAvatarIntoSubFolder;
use OC\Repair\OldGroupMembershipShares;
use OC\Repair\RemoveGetETagEntries;
use OC\Repair\RemoveRootShares;
use OC\Repair\RepairMismatchFileCachePath;
use OC\Repair\RepairOrphanedSubshare;
use OC\Repair\RepairSubShares;
use OC\Repair\SharePropagation;
use OC\Repair\SqliteAutoincrement;
use OC\Repair\DropOldTables;
use OC\Repair\InnoDB;
use OC\Repair\RepairMimeTypes;
use OC\Repair\SearchLuceneTables;
use OC\Repair\RepairInvalidShares;
use OC\Repair\RepairUnmergedShares;
use OCP\AppFramework\QueryException;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\GenericEvent;
use OC\Repair\MoveAvatarOutsideHome;

class Repair implements IOutput {
    /* @var IRepairStep[] */
    private $repairSteps;
    /** @var EventDispatcherInterface */
    private $dispatcher;
    /** @var string */
    private $currentStep;

    /**
     * Creates a new repair step runner
     *
     * @param IRepairStep[] $repairSteps array of RepairStep instances
     * @param EventDispatcherInterface $dispatcher
     */
    public function __construct($repairSteps = [], EventDispatcherInterface $dispatcher = null) {
        $this->repairSteps = $repairSteps;
        $this->dispatcher = $dispatcher;
    }

    /**
     * Run a series of repair steps for common problems
     */
    public function run() {
        if (\count($this->repairSteps) === 0) {
            $this->emit('\OC\Repair', 'info', ['No repair steps available']);
            return;
        }
        // run each repair step
        foreach ($this->repairSteps as $step) {
            $this->currentStep = $step->getName();
            $this->emit('\OC\Repair', 'step', [$this->currentStep]);
            $step->run($this);
        }
    }

    /**
     * Add repair step
     *
     * @param IRepairStep|string $repairStep repair step
     * @throws \Exception
     */
    public function addStep($repairStep) {
        if (\is_string($repairStep)) {
            try {
                $s = \OC::$server->query($repairStep);
            } catch (QueryException $e) {
                if (\class_exists($repairStep)) {
                    $s = new $repairStep();
                } else {
                    throw new \Exception("Repair step '$repairStep' is unknown");
                }
            }

            if ($s instanceof IRepairStep) {
                $this->repairSteps[] = $s;
            } else {
                throw new \Exception("Repair step '$repairStep' is not of type \\OCP\\Migration\\IRepairStep");
            }
        } else {
            $this->repairSteps[] = $repairStep;
        }
    }

    /**
     * Returns the default repair steps to be run on the
     * command line or after an upgrade.
     *
     * @return IRepairStep[]
     */
    public static function getRepairSteps() {
        return [
            new RepairMimeTypes(\OC::$server->getConfig()),
            new RepairMismatchFileCachePath(
                \OC::$server->getDatabaseConnection(),
                \OC::$server->getMimeTypeLoader(),
                \OC::$server->getLogger(),
                \OC::$server->getConfig()
            ),
            new CleanTags(\OC::$server->getDatabaseConnection(), \OC::$server->getUserManager()),
            new DropOldTables(\OC::$server->getDatabaseConnection()),
            new DropOldJobs(\OC::$server->getJobList()),
            new RemoveGetETagEntries(\OC::$server->getDatabaseConnection()),
            new RepairInvalidShares(\OC::$server->getConfig(), \OC::$server->getDatabaseConnection()),
            new RepairSubShares(
                \OC::$server->getDatabaseConnection()
            ),
            new SharePropagation(\OC::$server->getConfig()),
            new MoveAvatarOutsideHome(
                \OC::$server->getConfig(),
                \OC::$server->getDatabaseConnection(),
                \OC::$server->getUserManager(),
                \OC::$server->getAvatarManager(),
                \OC::$server->getLazyRootFolder(),
                \OC::$server->getL10N('lib'),
                \OC::$server->getLogger()
            ),
            new MoveAvatarIntoSubFolder(
                \OC::$server->getConfig(),
                \OC::$server->getDatabaseConnection(),
                \OC::$server->getUserManager(),
                \OC::$server->getAvatarManager(),
                \OC::$server->getLazyRootFolder(),
                \OC::$server->getL10N('lib'),
                \OC::$server->getLogger()
            ),
            new RemoveRootShares(\OC::$server->getDatabaseConnection(), \OC::$server->getUserManager(), \OC::$server->getLazyRootFolder()),
            new RepairUnmergedShares(
                \OC::$server->getConfig(),
                \OC::$server->getDatabaseConnection(),
                \OC::$server->getUserManager(),
                \OC::$server->getGroupManager()
            ),
            new DisableExtraThemes(
                \OC::$server->getAppManager(),
                \OC::$server->getConfig(),
                \OC::$server->getAppConfig()
            ),
        ];
    }

    /**
     * Returns expensive repair steps to be run on the
     * command line with a special option.
     *
     * @return IRepairStep[]
     */
    public static function getExpensiveRepairSteps() {
        return [
            new OldGroupMembershipShares(\OC::$server->getDatabaseConnection(), \OC::$server->getGroupManager()),
        ];
    }

    /**
     * Returns the repair steps to be run before an
     * upgrade.
     *
     * @return IRepairStep[]
     */
    public static function getBeforeUpgradeRepairSteps() {
        $connection = \OC::$server->getDatabaseConnection();
        $steps = [
            new InnoDB(),
            new Collation(\OC::$server->getConfig(), $connection),
            new SqliteAutoincrement($connection),
            new RepairOrphanedSubshare($connection),
            new SearchLuceneTables(),
        ];

        //There is no need to delete all previews on every single update
        //only 7.0.0 through 7.0.2 generated broken previews
        $currentVersion = \OC::$server->getConfig()->getSystemValue('version');
        if (\version_compare($currentVersion, '7.0.0.0', '>=') &&
            \version_compare($currentVersion, '7.0.3.4', '<=')) {
            $steps[] = new \OC\Repair\Preview();
        }

        return $steps;
    }

    /**
     * @param string $scope
     * @param string $method
     * @param array $arguments
     */
    public function emit($scope, $method, array $arguments = []) {
        if ($this->dispatcher !== null) {
            $this->dispatcher->dispatch(
                new GenericEvent("$scope::$method", $arguments),
                "$scope::$method"
            );
        }
    }

    public function info($string) {
        // for now just emit as we did in the past
        $this->emit('\OC\Repair', 'info', [$string]);
    }

    /**
     * @param string $message
     */
    public function warning($message) {
        // for now just emit as we did in the past
        $this->emit('\OC\Repair', 'warning', [$message]);
    }

    /**
     * @param int $max
     */
    public function startProgress($max = 0) {
        // for now just emit as we did in the past
        $this->emit('\OC\Repair', 'startProgress', [$max, $this->currentStep]);
    }

    /**
     * @param int $step
     * @param string $description
     */
    public function advance($step = 1, $description = '') {
        // for now just emit as we did in the past
        $this->emit('\OC\Repair', 'advance', [$step, $description]);
    }

    /**
     * emit signal
     */
    public function finishProgress() {
        // for now just emit as we did in the past
        $this->emit('\OC\Repair', 'finishProgress', []);
    }
}