replace CORSFilter implementation by modernn CorsRegistry configuration

src/main/java/org/fairdatapoint/api/filter/FilterConfigurer.java

@@ -36,15 +36,12 @@ public class FilterConfigurer extends
 
     private final JwtTokenFilter jwtTokenFilter;
 
-    private final CORSFilter corsFilter;
-
     private final LoggingFilter loggingFilter;
 
     @Override
     public void configure(HttpSecurity http) {
         http.addFilterBefore(jwtTokenFilter, UsernamePasswordAuthenticationFilter.class);
-        http.addFilterBefore(corsFilter, JwtTokenFilter.class);
-        http.addFilterBefore(loggingFilter, CORSFilter.class);
+        http.addFilterBefore(loggingFilter, JwtTokenFilter.class);
     }
 
 }

src/main/java/org/fairdatapoint/config/WebConfig.java

@@ -34,7 +34,9 @@
 import org.springframework.http.converter.HttpMessageConverter;
 import org.springframework.http.converter.StringHttpMessageConverter;
 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.http.HttpHeaders;
 import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import org.springframework.web.servlet.view.InternalResourceViewResolver;
 
@@ -85,4 +87,20 @@ public ObjectMapper objectMapper() {
     public InternalResourceViewResolver defaultViewResolver() {
         return new InternalResourceViewResolver();
     }
+
+    // https://docs.spring.io/spring-framework/reference/web/webmvc-cors.html
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**")
+        .allowedOrigins("*")
+        .allowedMethods("GET", "POST", "PUT", "PATCH", "DELETE")  // todo: what about OPTIONS?
+        .allowedHeaders(
+            HttpHeaders.ORIGIN, 
+            HttpHeaders.AUTHORIZATION, 
+            HttpHeaders.ACCEPT, 
+            HttpHeaders.CONTENT_TYPE
+            )
+        .exposedHeaders(HttpHeaders.LOCATION, HttpHeaders.LINK);
+    }
+
 }