From b022f6b2196d4077d44754c1dfd5c2cd92e8ea44 Mon Sep 17 00:00:00 2001
From: Lucas dos Santos Abreu <lucas.s.abreu@gmail.com>
Date: Fri, 2 Oct 2020 13:52:30 -0300
Subject: [PATCH] (feat): add utf-8 charset to response

`swagger-ui-bundle` is very sensible to encoding changes because of the
RegExp performed.

ensuring UTF-8 on the response prevents end-user config to break it.

the annotations already needs to be UTF-8 compatible to generate the
JSON, so it should not break users applications.
---
 Controller/SwaggerUiController.php | 4 +++-
 Tests/Functional/SwaggerUiTest.php | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Controller/SwaggerUiController.php b/Controller/SwaggerUiController.php
index 8c88e3b..5fc979a 100644
--- a/Controller/SwaggerUiController.php
+++ b/Controller/SwaggerUiController.php
@@ -65,10 +65,12 @@ final class SwaggerUiController
             $spec['basePath'] = $request->getBaseUrl();
         }
 
-        return new Response(
+        $response = new Response(
             $this->twig->render('@NelmioApiDoc/SwaggerUi/index.html.twig', ['swagger_data' => ['spec' => $spec]]),
             Response::HTTP_OK,
             ['Content-Type' => 'text/html']
         );
+
+        return $response->setCharset('UTF-8');
     }
 }
diff --git a/Tests/Functional/SwaggerUiTest.php b/Tests/Functional/SwaggerUiTest.php
index 0ed8ce5..0b32453 100644
--- a/Tests/Functional/SwaggerUiTest.php
+++ b/Tests/Functional/SwaggerUiTest.php
@@ -33,6 +33,7 @@ class SwaggerUiTest extends WebTestCase
 
         $response = $this->client->getResponse();
         $this->assertEquals(200, $response->getStatusCode());
+        $this->assertEquals('UTF-8', $response->getCharset());
         $this->assertEquals('text/html; charset=UTF-8', $response->headers->get('Content-Type'));
 
         $expected = $this->getSwaggerDefinition()->toArray();