fix(infrastructure): fix websockets cors

Author: albertrodriguezin2

CHANGELOG.md

@@ -10,6 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - Make login QR padding white.
+### Fixed
+- Add WebSockets CORS.
 
 ## [v2.0.0](https://github.com/in2workspace/in2-verifier-api/releases/tag/v2.0.0)
 - New major version to align with the new major version of EUDIStack project.

src/main/java/es/in2/vcverifier/config/WebSocketConfig.java

@@ -1,15 +1,19 @@
 package es.in2.vcverifier.config;
 
+import lombok.RequiredArgsConstructor;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.messaging.simp.config.MessageBrokerRegistry;
 import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
 import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
 import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;
 
 @Configuration
+@RequiredArgsConstructor
 @EnableWebSocketMessageBroker
 public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
 
+    private final BackendConfig backendConfig;
+
     @Override
     public void configureMessageBroker(MessageBrokerRegistry config) {
         // Habilitar el broker solo para el canal /oidc
@@ -19,7 +23,9 @@ public void configureMessageBroker(MessageBrokerRegistry config) {
     @Override
     public void registerStompEndpoints(StompEndpointRegistry registry) {
         // Registrar el endpoint de WebSocket para que los clientes se conecten
-        registry.addEndpoint("/qr-socket").withSockJS();
+        registry.addEndpoint("/qr-socket")
+                .setAllowedOrigins(backendConfig.getUrl())
+                .withSockJS();
     }
 
 }