json data xss prevention 적용

src/main/java/com/style24/front/support/config/TsfWebMvcConfig.java

@@ -1,14 +1,18 @@
 package com.style24.front.support.config;
 
 import java.nio.charset.Charset;
+import java.util.Iterator;
 import java.util.List;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.MediaType;
 import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.http.converter.HttpMessageConverter;
 import org.springframework.http.converter.StringHttpMessageConverter;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 import org.springframework.mobile.device.DeviceHandlerMethodArgumentResolver;
 import org.springframework.mobile.device.DeviceResolverHandlerInterceptor;
 import org.springframework.mobile.device.site.SitePreferenceHandlerInterceptor;
@@ -18,7 +22,9 @@ import org.springframework.web.multipart.support.MultipartFilter;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.style24.core.support.filter.TscXssServletFilter;
+import com.style24.core.support.text.TscHtmlCharacterEscapes;
 import com.style24.front.support.interceptor.TsfAflinkInterceptor;
 import com.style24.front.support.interceptor.TsfDefaultInterceptor;
 import com.style24.front.support.interceptor.TsfGoodsViewInterceptor;
@@ -193,6 +199,37 @@ public class TsfWebMvcConfig implements WebMvcConfigurer {
 		return bean;
 	}
 
+	/**
+	 * MappingJackson2HttpMessageConverter가 여러 개일 경우 내가 추가한 것이 선택되지 않을 수 있음
+	 * 그러므로 application/json으로 선택되는 converter를 덮어 써야 함
+	 */
+	@SuppressWarnings("rawtypes")
+	@Override
+	public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+		// Replace MessageConverter from default WebMvcConfigurer
+		Iterator<HttpMessageConverter<?>> converterIterator = converters.iterator();
+		while (converterIterator.hasNext()) {
+			// Do not add new one, must replace
+			HttpMessageConverter converter = converterIterator.next();
+			if (converter.getSupportedMediaTypes().contains(MediaType.APPLICATION_JSON)) {
+				converterIterator.remove();
+			}
+		}
+		converters.add(jsonEscapeConverter());
+	}
+
+	/**
+	 * XSS(Cross Site Script) Prevention
+	 * 		@ResponseBody로 전달되는 JSON에 대한 처리
+	 * @return
+	 */
+	@Bean
+	public MappingJackson2HttpMessageConverter jsonEscapeConverter() {
+		ObjectMapper objectMapper = new ObjectMapper();
+		objectMapper.getFactory().setCharacterEscapes(new TscHtmlCharacterEscapes());
+		return new MappingJackson2HttpMessageConverter(objectMapper);
+	}
+
 	/**
 	 * API 호출을 위한 RestTemplate 설정
 	 * @return