Add Permalink

lib/Alchemy/Phrasea/Controller/MediaAccessorController.php

@@ -0,0 +1,89 @@
+<?php
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2015 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace Alchemy\Phrasea\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+
+class MediaAccessorController extends Controller
+{
+    /** @var array|\ArrayAccess */
+    private $keyStorage = [];
+    /** @var array */
+    private $allowedAlgorithms = [];
+
+    /**
+     * @param array|\ArrayAccess $keyStorage
+     * @return $this
+     */
+    public function setKeyStorage($keyStorage)
+    {
+        if (!is_array($keyStorage) && !$keyStorage instanceof \ArrayAccess) {
+            throw new \InvalidArgumentException(sprintf(
+                'expects $keyStorage to be an array or an instance of ArrayAccess, got %s',
+                is_object($keyStorage) ? get_class($keyStorage) : gettype($keyStorage)
+            ));
+        }
+        $this->keyStorage = $keyStorage;
+
+        return $this;
+    }
+
+    /**
+     * @param array $allowedAlgorithms
+     * @return $this
+     */
+    public function setAllowedAlgorithms(array $allowedAlgorithms)
+    {
+        $this->allowedAlgorithms = $allowedAlgorithms;
+
+        return $this;
+    }
+
+    public function showAction(Request $request, $token)
+    {
+        $token = \JWT::decode($token, $this->keyStorage, $this->allowedAlgorithms);
+
+        if (! isset($token->sdef) || !is_array($token->sdef) || count($token->sdef) !== 3) {
+            throw new BadRequestHttpException('sdef should be a sub-definition identifier.');
+        }
+        list ($sbas_id, $record_id, $subdef) = $token->sdef;
+
+        try {
+            $databox = $this->findDataboxById($sbas_id);
+            $record = $databox->get_record($record_id);
+            $subDefinition = $record->get_subdef($subdef);
+            $permalink = $subDefinition->get_permalink();
+        } catch (\Exception $exception) {
+            throw new NotFoundHttpException('Media was not found', $exception);
+        }
+
+        $subRequest = Request::create(
+            (string) $permalink->get_url(),
+            'GET',
+            [],
+            $request->cookies->all(),
+            [],
+            $request->server->all()
+        );
+
+        if ($request->request->has('download')) {
+            $subRequest->request->set('download', $request->request-get('download'));
+        }
+
+        $response = $this->app->handle($subRequest, HttpKernelInterface::SUB_REQUEST, false);
+        // Remove Caption link header as it contains permalink token.
+        $response->headers->remove('link');
+
+        return $response;
+    }
+}