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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018 John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
* @copyright Copyright (c) 2019 Janis Köhr <janiskoehr@icloud.com>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Daniel Kesselberg <mail@danielkesselberg.de>
* @author Janis Köhr <janis.koehr@novatec-gmbh.de>
* @author John Molakvoæ <skjnldsv@protonmail.com>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Kate Döen <kate.doeen@nextcloud.com>
*
* @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 <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Theming\Controller;
use OCA\Theming\AppInfo\Application;
use OCA\Theming\ITheme;
use OCA\Theming\ResponseDefinitions;
use OCA\Theming\Service\BackgroundService;
use OCA\Theming\Service\ThemesService;
use OCA\Theming\ThemingDefaults;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\AppFramework\Http\JSONResponse;
use OCP\AppFramework\Http\NotFoundResponse;
use OCP\AppFramework\OCS\OCSBadRequestException;
use OCP\AppFramework\OCS\OCSForbiddenException;
use OCP\AppFramework\OCSController;
use OCP\IConfig;
use OCP\IRequest;
use OCP\IUserSession;
use OCP\PreConditionNotMetException;
/**
* @psalm-import-type ThemingBackground from ResponseDefinitions
*/
class UserThemeController extends OCSController {
protected ?string $userId = null;
private IConfig $config;
private ThemesService $themesService;
private ThemingDefaults $themingDefaults;
private BackgroundService $backgroundService;
public function __construct(string $appName,
IRequest $request,
IConfig $config,
IUserSession $userSession,
ThemesService $themesService,
ThemingDefaults $themingDefaults,
BackgroundService $backgroundService) {
parent::__construct($appName, $request);
$this->config = $config;
$this->themesService = $themesService;
$this->themingDefaults = $themingDefaults;
$this->backgroundService = $backgroundService;
$user = $userSession->getUser();
if ($user !== null) {
$this->userId = $user->getUID();
}
}
/**
* @NoAdminRequired
*
* Enable theme
*
* @param string $themeId the theme ID
* @return DataResponse<Http::STATUS_OK, array<empty>, array{}>
* @throws OCSBadRequestException Enabling theme is not possible
* @throws PreConditionNotMetException
*
* 200: Theme enabled successfully
*/
public function enableTheme(string $themeId): DataResponse {
$theme = $this->validateTheme($themeId);
// Enable selected theme
$this->themesService->enableTheme($theme);
return new DataResponse();
}
/**
* @NoAdminRequired
*
* Disable theme
*
* @param string $themeId the theme ID
* @return DataResponse<Http::STATUS_OK, array<empty>, array{}>
* @throws OCSBadRequestException Disabling theme is not possible
* @throws PreConditionNotMetException
*
* 200: Theme disabled successfully
*/
public function disableTheme(string $themeId): DataResponse {
$theme = $this->validateTheme($themeId);
// Enable selected theme
$this->themesService->disableTheme($theme);
return new DataResponse();
}
/**
* Validate and return the matching ITheme
*
* Disable theme
*
* @param string $themeId the theme ID
* @return ITheme
* @throws OCSBadRequestException
* @throws PreConditionNotMetException
*/
private function validateTheme(string $themeId): ITheme {
if ($themeId === '' || !$themeId) {
throw new OCSBadRequestException('Invalid theme id: ' . $themeId);
}
$themes = $this->themesService->getThemes();
if (!isset($themes[$themeId])) {
throw new OCSBadRequestException('Invalid theme id: ' . $themeId);
}
// If trying to toggle another theme but this is enforced
if ($this->config->getSystemValueString('enforce_theme', '') !== ''
&& $themes[$themeId]->getType() === ITheme::TYPE_THEME) {
throw new OCSForbiddenException('Theme switching is disabled');
}
return $themes[$themeId];
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* Get the background image
* @return FileDisplayResponse<Http::STATUS_OK, array{Content-Type: string}>|NotFoundResponse<Http::STATUS_NOT_FOUND, array{}>
*
* 200: Background image returned
* 404: Background image not found
*/
public function getBackground(): Http\Response {
$file = $this->backgroundService->getBackground();
if ($file !== null) {
$response = new FileDisplayResponse($file, Http::STATUS_OK, ['Content-Type' => $file->getMimeType()]);
$response->cacheFor(24 * 60 * 60, false, true);
return $response;
}
return new NotFoundResponse();
}
/**
* @NoAdminRequired
*
* Delete the background
*
* @return JSONResponse<Http::STATUS_OK, ThemingBackground, array{}>
*
* 200: Background deleted successfully
*/
public function deleteBackground(): JSONResponse {
$currentVersion = (int)$this->config->getUserValue($this->userId, Application::APP_ID, 'userCacheBuster', '0');
$this->backgroundService->deleteBackgroundImage();
return new JSONResponse([
'backgroundImage' => null,
'backgroundColor' => $this->themingDefaults->getColorBackground(),
'primaryColor' => $this->themingDefaults->getColorPrimary(),
'version' => $currentVersion,
]);
}
/**
* @NoAdminRequired
*
* Set the background
*
* @param string $type Type of background
* @param string $value Path of the background image
* @param string|null $color Color for the background
* @return JSONResponse<Http::STATUS_OK, ThemingBackground, array{}>|JSONResponse<Http::STATUS_BAD_REQUEST|Http::STATUS_INTERNAL_SERVER_ERROR, array{error: string}, array{}>
*
* 200: Background set successfully
* 400: Setting background is not possible
*/
public function setBackground(string $type = BackgroundService::BACKGROUND_DEFAULT, string $value = '', ?string $color = null): JSONResponse {
$currentVersion = (int)$this->config->getUserValue($this->userId, Application::APP_ID, 'userCacheBuster', '0');
// Set color if provided
if ($color) {
$this->backgroundService->setColorBackground($color);
}
// Set background image if provided
try {
switch ($type) {
case BackgroundService::BACKGROUND_SHIPPED:
$this->backgroundService->setShippedBackground($value);
break;
case BackgroundService::BACKGROUND_CUSTOM:
$this->backgroundService->setFileBackground($value);
break;
case BackgroundService::BACKGROUND_DEFAULT:
// Delete both background and color keys
$this->backgroundService->setDefaultBackground();
break;
default:
if (!$color) {
return new JSONResponse(['error' => 'Invalid type provided'], Http::STATUS_BAD_REQUEST);
}
}
} catch (\InvalidArgumentException $e) {
return new JSONResponse(['error' => $e->getMessage()], Http::STATUS_BAD_REQUEST);
} catch (\Throwable $e) {
return new JSONResponse(['error' => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
}
$currentVersion++;
$this->config->setUserValue($this->userId, Application::APP_ID, 'userCacheBuster', (string)$currentVersion);
return new JSONResponse([
'backgroundImage' => $this->config->getUserValue($this->userId, Application::APP_ID, 'background_image', BackgroundService::BACKGROUND_DEFAULT),
'backgroundColor' => $this->themingDefaults->getColorBackground(),
'primaryColor' => $this->themingDefaults->getColorPrimary(),
'version' => $currentVersion,
]);
}
}
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