New instrospect and detect method

composer.json

@@ -5,7 +5,7 @@
     "license": "BSD-3-Clause",
     "require": {
         "php": ">= 7.1.3",
-        "ecphp/cas-lib": "1.0.*"
+        "ecphp/cas-lib": "1.1.*"
     },
     "require-dev": {
         "drupol/php-conventions": "^1.8.6",

spec/EcPhp/Ecas/EcasSpec.php

@@ -5,6 +5,8 @@
 namespace spec\EcPhp\Ecas;
 
 use EcPhp\CasLib\Cas;
+use EcPhp\CasLib\Introspection\Introspector;
+use EcPhp\Ecas\Introspection\EcasIntrospector;
 use Nyholm\Psr7\Factory\Psr17Factory;
 use Nyholm\Psr7\ServerRequest;
 use Nyholm\Psr7Server\ServerRequestCreator;
@@ -134,7 +136,8 @@ public function let()
             $psr17Factory,
             $psr17Factory,
             new ArrayAdapter(),
-            new NullLogger()
+            new NullLogger(),
+            new EcasIntrospector(new Introspector())
         );
 
         $this->beConstructedWith($cas, $psr17Factory);

src/Ecas.php

@@ -6,6 +6,7 @@
 
 use EcPhp\CasLib\CasInterface;
 use EcPhp\CasLib\Configuration\PropertiesInterface;
+use EcPhp\CasLib\Introspection\Contract\IntrospectionInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Message\StreamFactoryInterface;
@@ -41,6 +42,11 @@ public function authenticate(array $parameters = []): ?array
         return $this->cas->authenticate($parameters);
     }
 
+    public function detect(ResponseInterface $response): IntrospectionInterface
+    {
+        return $this->cas->detect($response);
+    }
+
     /**
      * {@inheritdoc}
      */

src/Introspection/EcasIntrospector.php

@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+namespace EcPhp\Ecas\Introspection;
+
+use EcPhp\CasLib\Introspection\Contract\IntrospectionInterface;
+use EcPhp\CasLib\Introspection\Contract\IntrospectorInterface;
+use EcPhp\CasLib\Introspection\ServiceValidate;
+use Psr\Http\Message\ResponseInterface;
+
+use function in_array;
+
+final class EcasIntrospector implements IntrospectorInterface
+{
+    /**
+     * @var \EcPhp\CasLib\Introspection\Contract\IntrospectorInterface
+     */
+    private $introspector;
+
+    public function __construct(IntrospectorInterface $introspector)
+    {
+        $this->introspector = $introspector;
+    }
+
+    public function detect(ResponseInterface $response): IntrospectionInterface
+    {
+        $introspect = $this->introspector->detect($response);
+
+        if ($introspect instanceof ServiceValidate) {
+            return $introspect
+                ->withParsedResponse(
+                    $this->normalizeUserData($introspect->getParsedResponse())
+                );
+        }
+
+        return $introspect;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function parse(ResponseInterface $response, string $format = 'XML'): array
+    {
+        return $this->introspector->parse($response, $format);
+    }
+
+    /**
+     * Normalize user data from EU Login to standard CAS user data.
+     *
+     * @param array<array|string> $data
+     *   The data from EU Login
+     *
+     * @return array<array|string>
+     *   The normalized data.
+     */
+    private function normalizeUserData(array $data): array
+    {
+        $data = $data['serviceResponse']['authenticationSuccess'];
+        $data += ['attributes' => []];
+
+        $rootAttributes = ['user', 'proxyGrantingTicket', 'proxies', 'attributes'];
+
+        foreach ($data as $key => $property) {
+            if (in_array($key, $rootAttributes, true)) {
+                continue;
+            }
+
+            $data['attributes'] += [$key => $property];
+            unset($data[$key]);
+        }
+
+        return [
+            'serviceResponse' => [
+                'authenticationSuccess' => $data,
+            ],
+        ];
+    }
+}