Add factory to create an Authorization Server.

Author: Potherca

src/Factory/AuthorizationServerFactory.php

@@ -0,0 +1,59 @@
+<?php declare(strict_types=1);
+
+namespace Pdsinterop\Solid\Auth\Factory;
+
+use League\OAuth2\Server\AuthorizationServer;
+use Pdsinterop\Solid\Auth\Config;
+use Pdsinterop\Solid\Auth\Enum\Repository;
+use Pdsinterop\Solid\Auth\Repository\Client;
+
+class AuthorizationServerFactory
+{
+    ////////////////////////////// CLASS PROPERTIES \\\\\\\\\\\\\\\\\\\\\\\\\\\\
+
+    /** @var Config */
+    private $config;
+
+    //////////////////////////////// PUBLIC API \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
+
+    final public function __construct(Config $config)
+    {
+        $this->config = $config;
+    }
+
+    final public function create() : AuthorizationServer
+    {
+        $config = $this->config;
+
+        $clientIdentifier = $config->getClient()->getIdentifier();
+        $clientSecret = $config->getClient()->getSecret();
+        $expiration = $config->getExpiration();
+        $grantTypes = $config->getGrantTypes();
+        $keys = $config->getKeys();
+
+        $repositoryFactory = new RepositoryFactory([
+            Repository::CLIENT => new Client($clientIdentifier, $clientSecret, '',$grantTypes, []),
+        ]);
+
+        $server = new AuthorizationServer(
+            $repositoryFactory->createClientRepository(),
+            $repositoryFactory->createAccessTokenRepository(),
+            $repositoryFactory->createScopeRepository(),
+            $keys->getPrivateKey(),
+            $keys->getEncryptionKey()
+        );
+
+        $grantTypeFactory = new GrantTypeFactory($expiration, $repositoryFactory);
+
+        array_walk($grantTypes, static function ($grantType) use ($expiration, $grantTypeFactory, $server) {
+            $grant = $grantTypeFactory->createGrantType($grantType);
+
+            $server->enableGrantType(
+                $grant,
+                $expiration->forAccessToken()
+            );
+        });
+
+        return $server;
+    }
+}