From 2b55b9ccd5538c6abc6205e8f71d7ef54b2f30fc Mon Sep 17 00:00:00 2001
From: Rossen Stoyanchev <rstoyanchev@vmware.com>
Date: Tue, 14 Sep 2021 13:40:26 +0100
Subject: [PATCH] Do not log request parameters for multipart requests

Closes gh-27350
---
 .../org/springframework/web/servlet/DispatcherServlet.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/spring-webmvc/src/main/java/org/springframework/web/servlet/DispatcherServlet.java b/spring-webmvc/src/main/java/org/springframework/web/servlet/DispatcherServlet.java
index 7852deda6ef..22aeb7fdf48 100644
--- a/spring-webmvc/src/main/java/org/springframework/web/servlet/DispatcherServlet.java
+++ b/spring-webmvc/src/main/java/org/springframework/web/servlet/DispatcherServlet.java
@@ -955,7 +955,10 @@ public class DispatcherServlet extends FrameworkServlet {
 	private void logRequest(HttpServletRequest request) {
 		LogFormatUtils.traceDebug(logger, traceOn -> {
 			String params;
-			if (isEnableLoggingRequestDetails()) {
+			if (StringUtils.startsWithIgnoreCase(request.getContentType(), "multipart/")) {
+				params = "multipart";
+			}
+			else if (isEnableLoggingRequestDetails()) {
 				params = request.getParameterMap().entrySet().stream()
 						.map(entry -> entry.getKey() + ":" + Arrays.toString(entry.getValue()))
 						.collect(Collectors.joining(", "));