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<?php |
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declare(strict_types=1); |
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/* |
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* @copyright 2020 Christoph Wurst <[email protected]> |
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* |
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* @author 2020 Christoph Wurst <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program 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 as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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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 |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace OC\Http\WellKnown; |
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use OC\AppFramework\Bootstrap\Coordinator; |
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use OCP\AppFramework\QueryException; |
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use OCP\Http\WellKnown\IHandler; |
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use OCP\Http\WellKnown\IRequestContext; |
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use OCP\Http\WellKnown\IResponse; |
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use OCP\Http\WellKnown\JrdResponse; |
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use OCP\IRequest; |
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use OCP\IServerContainer; |
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use Psr\Log\LoggerInterface; |
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use RuntimeException; |
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use function array_reduce; |
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class RequestManager { |
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/** @var Coordinator */ |
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private $coordinator; |
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/** @var IServerContainer */ |
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private $container; |
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/** @var LoggerInterface */ |
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private $logger; |
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public function __construct(Coordinator $coordinator, |
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IServerContainer $container, |
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LoggerInterface $logger) { |
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$this->coordinator = $coordinator; |
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$this->container = $container; |
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$this->logger = $logger; |
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} |
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public function process(string $service, IRequest $request): ?IResponse { |
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$handlers = $this->loadHandlers(); |
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$context = new class($request) implements IRequestContext { |
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/** @var IRequest */ |
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private $request; |
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public function __construct(IRequest $request) { |
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$this->request = $request; |
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} |
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public function getHttpRequest(): IRequest { |
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return $this->request; |
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} |
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}; |
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$subject = $request->getParam('resource'); |
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$initialResponse = new JrdResponse($subject ?? ''); |
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$finalResponse = array_reduce($handlers, function (?IResponse $previousResponse, IHandler $handler) use ($context, $service) { |
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return $handler->handle($service, $context, $previousResponse); |
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}, $initialResponse); |
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if ($finalResponse instanceof JrdResponse && $finalResponse->isEmpty()) { |
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return null; |
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} |
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return $finalResponse; |
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} |
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/** |
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* @return IHandler[] |
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*/ |
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private function loadHandlers(): array { |
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$context = $this->coordinator->getRegistrationContext(); |
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if ($context === null) { |
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throw new RuntimeException("Well known handlers requested before the apps had been fully registered"); |
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} |
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$registrations = $context->getWellKnownHandlers(); |
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$this->logger->debug(count($registrations) . " well known handlers registered"); |
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return array_filter( |
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array_map(function (array $registration) { |
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$class = $registration['class']; |
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try { |
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$handler = $this->container->get($class); |
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if (!($handler) instanceof IHandler) { |
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$this->logger->error("Well known handler $class is invalid"); |
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return null; |
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} |
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return $handler; |
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} catch (QueryException $e) { |
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$this->logger->error("Could not load well known handler $class", [ |
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'exception' => $e, |
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]); |
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return null; |
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} |
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}, $registrations) |
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); |
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} |
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} |
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nextcloud /
server
