From 2b5a06546625636241c1967ed2c9ee7118dd8ddb Mon Sep 17 00:00:00 2001
From: ialbert <ialbert@mfd.ru>
Date: Thu, 28 May 2026 17:35:54 +0300
Subject: [PATCH] backend-api HTTP interceptor logs [2]

---
 .../filter/CachedHttpServletRequest.java      |  6 +++-
 .../filter/RequestCachingFilter.java          | 28 +++++++++++++++++--
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/clearing-parent/backend-api/src/main/java/ru/spcex/clearing/backendapi/filter/CachedHttpServletRequest.java b/clearing-parent/backend-api/src/main/java/ru/spcex/clearing/backendapi/filter/CachedHttpServletRequest.java
index 6befa668c..dd358fe0d 100644
--- a/clearing-parent/backend-api/src/main/java/ru/spcex/clearing/backendapi/filter/CachedHttpServletRequest.java
+++ b/clearing-parent/backend-api/src/main/java/ru/spcex/clearing/backendapi/filter/CachedHttpServletRequest.java
@@ -12,7 +12,7 @@ import org.springframework.util.StreamUtils;
 
 public class CachedHttpServletRequest extends HttpServletRequestWrapper {
 
-    private byte[] cachedPayload;
+    private final byte[] cachedPayload;
 
     public CachedHttpServletRequest(HttpServletRequest request) throws IOException {
         super(request);
@@ -25,6 +25,10 @@ public class CachedHttpServletRequest extends HttpServletRequestWrapper {
         return new CachedServletInputStream(this.cachedPayload);
     }
 
+    public byte[] getCachedPayload() {
+        return cachedPayload;
+    }
+
     @Override
     public BufferedReader getReader() {
         ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(this.cachedPayload);
diff --git a/clearing-parent/backend-api/src/main/java/ru/spcex/clearing/backendapi/filter/RequestCachingFilter.java b/clearing-parent/backend-api/src/main/java/ru/spcex/clearing/backendapi/filter/RequestCachingFilter.java
index 793b12241..4128b880d 100644
--- a/clearing-parent/backend-api/src/main/java/ru/spcex/clearing/backendapi/filter/RequestCachingFilter.java
+++ b/clearing-parent/backend-api/src/main/java/ru/spcex/clearing/backendapi/filter/RequestCachingFilter.java
@@ -12,7 +12,6 @@ import org.slf4j.LoggerFactory;
 import org.springframework.core.Ordered;
 import org.springframework.core.annotation.Order;
 import org.springframework.stereotype.Component;
-import org.springframework.util.StreamUtils;
 import org.springframework.web.filter.OncePerRequestFilter;
 
 
@@ -32,9 +31,34 @@ public class RequestCachingFilter extends OncePerRequestFilter {
             log.debug("received {} request, destination '{}', body: {}",
                 request.getMethod(),
                 request.getContextPath() + request.getServletPath(),
-                StreamUtils.copyToString(cachedHttpServletRequest.getInputStream(), StandardCharsets.UTF_8)
+                removeWhiteSpaces(cachedHttpServletRequest.getCachedPayload())
             );
         }
         filterChain.doFilter(cachedHttpServletRequest, response);
     }
+
+    private static String removeWhiteSpaces(byte[] cachedPayload) {
+        if (cachedPayload == null || cachedPayload.length == 0) {
+            return "[empty]";
+        }
+        String body = new String(cachedPayload, StandardCharsets.UTF_8);
+
+        StringBuilder result = new StringBuilder(body.length());
+        boolean previousWasWhitespace = false;
+        for (int i = 0; i < body.length(); i++) {
+            char ch = body.charAt(i);
+
+            if (Character.isWhitespace(ch)) {
+                if (!previousWasWhitespace) {
+                    result.append(' ');
+                    previousWasWhitespace = true;
+                }
+            } else {
+                result.append(ch);
+                previousWasWhitespace = false;
+            }
+        }
+
+        return result.toString().trim();
+    }
 }