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- <?php
- declare(strict_types=1);
- namespace OCA\DAV\CalDAV\WebcalCaching;
- use OCA\DAV\CalDAV\CalendarRoot;
- use OCP\IRequest;
- use Sabre\DAV\Exception\NotFound;
- use Sabre\DAV\Server;
- use Sabre\DAV\ServerPlugin;
- use Sabre\HTTP\RequestInterface;
- use Sabre\HTTP\ResponseInterface;
- class Plugin extends ServerPlugin {
-
- public const ENABLE_FOR_CLIENTS = [
- "/^MSFT-WIN-3/"
- ];
-
- private $enabled = false;
-
- private $server;
-
- public function __construct(IRequest $request) {
- if ($request->isUserAgent(self::ENABLE_FOR_CLIENTS)) {
- $this->enabled = true;
- }
- $magicHeader = $request->getHeader('X-NC-CalDAV-Webcal-Caching');
- if ($magicHeader === 'On') {
- $this->enabled = true;
- }
- $isExportRequest = $request->getMethod() === 'GET' && array_key_exists('export', $request->getParams());
- if ($isExportRequest) {
- $this->enabled = true;
- }
- }
-
- public function initialize(Server $server) {
- $this->server = $server;
- $server->on('beforeMethod:*', [$this, 'beforeMethod'], 15);
- }
-
- public function beforeMethod(RequestInterface $request, ResponseInterface $response) {
- if (!$this->enabled) {
- return;
- }
- $path = $request->getPath();
- $pathParts = explode('/', ltrim($path, '/'));
- if (\count($pathParts) < 2) {
- return;
- }
- try {
- $calendarRoot = $this->server->tree->getNodeForPath($pathParts[0]);
- if ($calendarRoot instanceof CalendarRoot) {
- $calendarRoot->enableReturnCachedSubscriptions($pathParts[1]);
- }
- } catch (NotFound $ex) {
- return;
- }
- }
-
- public function isCachingEnabledForThisRequest():bool {
- return $this->enabled;
- }
-
- public function getFeatures():array {
- return ['nc-calendar-webcal-cache'];
- }
-
- public function getPluginName():string {
- return 'nc-calendar-webcal-cache';
- }
- }
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