owncloud/core

<?php
/**
 * @author Joas Schilling <coding@schilljs.com>
 * @author Lukas Reschke <lukas@statuscode.ch>
 * @author Michael Jobst <mjobst+github@tecratech.de>
 * @author Tom Needham <tom@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 OCA\UpdateNotification\Controller;

use OCA\UpdateNotification\UpdateChecker;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\IJobList;
use OCP\IConfig;
use OCP\IDateTimeFormatter;
use OCP\IL10N;
use OCP\IRequest;
use OCP\Security\ISecureRandom;
use OCP\Settings\ISettings;

class AdminController extends Controller implements ISettings {
    /** @var IJobList */
    private $jobList;
    /** @var ISecureRandom */
    private $secureRandom;
    /** @var IConfig */
    private $config;
    /** @var ITimeFactory */
    private $timeFactory;
    /** @var UpdateChecker */
    private $updateChecker;
    /** @var IL10N */
    private $l10n;
    /** @var IDateTimeFormatter */
    private $dateTimeFormatter;

    /**
     * @param string $appName
     * @param IRequest $request
     * @param IJobList $jobList
     * @param ISecureRandom $secureRandom
     * @param IConfig $config
     * @param ITimeFactory $timeFactory
     * @param IL10N $l10n
     * @param UpdateChecker $updateChecker
     * @param IDateTimeFormatter $dateTimeFormatter
     */
    public function __construct(
        $appName,
        IRequest $request,
        IJobList $jobList,
        ISecureRandom $secureRandom,
        IConfig $config,
        ITimeFactory $timeFactory,
        IL10N $l10n,
        UpdateChecker $updateChecker,
        IDateTimeFormatter $dateTimeFormatter
    ) {
        parent::__construct($appName, $request);
        $this->jobList = $jobList;
        $this->secureRandom = $secureRandom;
        $this->config = $config;
        $this->timeFactory = $timeFactory;
        $this->l10n = $l10n;
        $this->updateChecker = $updateChecker;
        $this->dateTimeFormatter = $dateTimeFormatter;
    }

    public function getPriority() {
        return 0;
    }

    public function getSectionID() {
        return 'general';
    }

    public function getPanel() {
        if ($this->config->getSystemValue('upgrade.disable-web', false) === true) {
            return false;
        }
       
        if (\OC_Util::getEditionString() === 'Enterprise') {
            return $this->displayEnterprisePanel();
        }

        return $this->displayPanel();
    }

    /**
     * @return TemplateResponse
     */
    public function displayEnterprisePanel() {
        return new TemplateResponse($this->appName, 'enterprise', [], '');
    }

    /**
     * @return TemplateResponse
     */
    public function displayPanel() {
        $lastUpdateCheck = $this->dateTimeFormatter->formatDateTime(
            $this->config->getAppValue('core', 'lastupdatedat')
        );

        $channels = [
            'daily',
            'beta',
            'stable',
            'production',
        ];
        $currentChannel = \OCP\Util::getChannel();

        // Remove the currently used channel from the channels list
        if (($key = \array_search($currentChannel, $channels)) !== false) {
            unset($channels[$key]);
        }
        $updateState = $this->updateChecker->getUpdateState();

        $notifyGroups = \json_decode($this->config->getAppValue('updatenotification', 'notify_groups', '["admin"]'), true);
        
        $isNewVersionAvailable = ($updateState === []) ? false : true;
        $newVersionString = ($updateState === []) ? '' : $updateState['updateVersion'];
        
        $changeLogUrl = null;
        if ($isNewVersionAvailable === true) {
            $versionParts = \explode(' ', $newVersionString);
            if (\count($versionParts) >= 2) {
                $versionParts = \explode('.', $versionParts[1]); // remove the 'ownCloud' prefix
                $changeLogUrl = 'https://owncloud.com/changelog/server/#' . \implode('.', $versionParts);
            }
        }

        $params = [
            'isNewVersionAvailable' => $isNewVersionAvailable,
            'lastChecked' => $lastUpdateCheck,
            'currentChannel' => $currentChannel,
            'channels' => $channels,
            'newVersionString' => $newVersionString,
            'changeLogUrl' => $changeLogUrl,

            'notify_groups' => \implode('|', $notifyGroups),
        ];

        return new TemplateResponse($this->appName, 'admin', $params, '');
    }

    /**
     * @UseSession
     *
     * @param string $channel
     * @return DataResponse
     */
    public function setChannel($channel) {
        \OCP\Util::setChannel($channel);
        $this->config->setAppValue('core', 'lastupdatedat', 0);
        return new DataResponse(['status' => 'success', 'data' => ['message' => $this->l10n->t('Updated channel')]]);
    }

    /**
     * @return DataResponse
     */
    public function createCredentials() {
        // Create a new job and store the creation date
        $this->jobList->add('OCA\UpdateNotification\ResetTokenBackgroundJob');
        $this->config->setAppValue('core', 'updater.secret.created', $this->timeFactory->getTime());

        // Create a new token
        $newToken = $this->secureRandom->generate(64);
        $this->config->setSystemValue('updater.secret', \password_hash($newToken, PASSWORD_DEFAULT));

        return new DataResponse($newToken);
    }
}