Imported code from old repository

classes/UploadController.php

@@ -0,0 +1,106 @@
+<?php
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+ 
+namespace CloudObjects\PhpMAE;
+
+use Psr\Container\ContainerInterface;
+use Psr\Http\Message\RequestInterface;
+use Slim\Http\Response;
+use ML\IRI\IRI;
+use ML\JsonLD\JsonLD;
+use CloudObjects\Utilities\RDF\Arc2JsonLdConverter;
+use CloudObjects\SDK\ObjectRetriever;
+use CloudObjects\PhpMAE\Exceptions\PhpMAEException;
+
+class UploadController {
+
+	private $container;
+	private $objectRetriever;
+	private $classRepository;
+
+	public function __construct(ContainerInterface $container, ObjectRetriever $objectRetriever,
+			ClassRepository $classRepository) {
+		
+		$this->container = $container;
+		$this->objectRetriever = $objectRetriever;
+		$this->classRepository = $classRepository;
+	}	
+
+	private function uploadSource(RequestInterface $request) {
+		$object = $this->objectRetriever->get($request->getQueryParam('coid'));
+		if (!$object)
+			throw new PhpMAEException("Unable to retrieve object.");
+
+		$content = (string)$request->getBody();
+		$validator = new ClassValidator;
+
+		try {
+			$validator->validate($content,
+				new IRI($object->getId()),
+				TypeChecker::getAdditionalTypes($object));
+		} catch (\Exception $e) {
+			$response = (new Response(400))->withJson([
+				'error_code' => get_class($e),
+				'error_message' => $e->getMessage()
+			]);
+			return $response;
+		}
+
+		if ($this->classRepository->storeUploadedFile($object, $content))
+			return new Response(201);
+		else
+			return new Response(500);
+	}
+
+	private function uploadConfig(RequestInterface $request) {
+		// Parse RDF/XML config
+		$parser = \ARC2::getRDFXMLParser();
+		$parser->parse('', (string)$request->getBody());
+		$index = $parser->getSimpleIndex(false);
+
+		// Convert to JsonLD as required by the CloudObjects SDK
+		$jsonLdConfig = JsonLD::compact(
+			JsonLD::fromRdf(Arc2JsonLdConverter::indexToQuads($index)));
+
+		// Validate config
+		if (!isset($jsonLdConfig->{'@id'})
+				|| $jsonLdConfig->{'@id'} != $request->getQueryParam('coid')) {
+			throw new PhpMAEException("Uploaded configuration does not correspond to object.");
+		}
+
+		// Store configuration
+		$iri = new IRI($request->getQueryParam('coid'));
+		$path = $this->container->get('uploads_dir')
+			.DIRECTORY_SEPARATOR.'config'
+			.DIRECTORY_SEPARATOR.$iri->getHost()
+			.$iri->getPath();
+		if (!is_dir($path)) mkdir($path, 0777, true);
+
+		file_put_contents($path.DIRECTORY_SEPARATOR.'object.jsonld', json_encode($jsonLdConfig));
+
+		return new Response(201);
+	}
+
+	public function handle(RequestInterface $request) {
+		if (!$this->container->has('uploads') || $this->container->get('uploads') !== true)
+			throw new PhpMAEException("This is not a test environment where uploads are permitted.");
+
+		if ($request->getMethod() != 'PUT')
+			throw new PhpMAEException("Must use PUT for uploading to test environment.");
+
+		switch ($request->getQueryParam('type')) {
+			case "source":
+				return $this->uploadSource($request);
+				break;
+			case "config":
+				return $this->uploadConfig($request);
+				break;
+			default:
+				throw new PhpMAEException("Invalid test environment request.");
+		}
+	}
+
+}