JWK/JWKSet Env Var Processor

This commit adds a new environnement vriable processor for "jwk" and "jwkset" prefixes.
It is now easy to convert JWK and JWKSet Json object into Jose Objects and inject it to the services.

Author: Spomky

src/Bundle/JoseFramework/DependencyInjection/Source/KeyManagement/JWKUriSource.php

@@ -45,7 +45,7 @@ public function load(array $configs, ContainerBuilder $container)
             $definition->setFactory([new Reference(JWKSetControllerFactory::class), 'create']);
             $definition->setArguments([new Reference($itemConfig['id']), $itemConfig['max_age']]);
             $definition->addTag('jose.jwk_uri.controller', ['path' => $itemConfig['path']]);
-            $definition->setPublic(true);
+            $definition->addTag('controller.service_arguments');
             $container->setDefinition($service_id, $definition);
         }
     }

src/Bundle/JoseFramework/EnvVarProcessor/KeyEnvVarProcessor.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2017 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Bundle\JoseFramework\EnvVarProcessor;
+
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\JWKSet;
+use Symfony\Component\DependencyInjection\EnvVarProcessorInterface;
+
+/**
+ * Class KeyEnvVarProcessor.
+ */
+final class KeyEnvVarProcessor implements EnvVarProcessorInterface
+{
+    public function getEnv($prefix, $name, \Closure $getEnv)
+    {
+        $env = $getEnv($name);
+        switch ($prefix) {
+            case 'jwk':
+                return JWK::createFromJson($env);
+            case 'jwkset':
+                return JWKSet::createFromJson($env);
+            default:
+                throw new \RuntimeException(sprintf('Unsupported prefix "%s".', $prefix));
+        }
+    }
+
+    public static function getProvidedTypes()
+    {
+        return [
+            'jwk'    => 'string',
+            'jwkset' => 'string',
+        ];
+    }
+}

src/Bundle/JoseFramework/Resources/config/services.yml

@@ -5,3 +5,7 @@ services:
         public: false
 
     Jose\Component\Core\AlgorithmManagerFactory: ~
+
+    Jose\Bundle\JoseFramework\EnvVarProcessor\:
+        resource: '../../EnvVarProcessor'
+        tags: ['container.env_var_processor']