From 51450e2a60288c7afacc1dc4174f3b6ed4459ae1 Mon Sep 17 00:00:00 2001
From: kamlesh patel <kamlesh.patel@gupshup.io>
Date: Thu, 10 Oct 2019 17:26:51 +0530
Subject: [PATCH] Added extra check in getContentLength method.
 Long.parseLong(contentLengthHeader) was trowing exception in cash
 content-length header is present but its blank string

---
 src/main/java/org/mitre/dsmiley/httpproxy/ProxyServlet.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/mitre/dsmiley/httpproxy/ProxyServlet.java b/src/main/java/org/mitre/dsmiley/httpproxy/ProxyServlet.java
index 3e55f282..c7be071d 100644
--- a/src/main/java/org/mitre/dsmiley/httpproxy/ProxyServlet.java
+++ b/src/main/java/org/mitre/dsmiley/httpproxy/ProxyServlet.java
@@ -401,7 +401,8 @@ protected HttpRequest newProxyRequestWithEntity(String method, String proxyReque
   // Get the header value as a long in order to more correctly proxy very large requests
   private long getContentLength(HttpServletRequest request) {
     String contentLengthHeader = request.getHeader("Content-Length");
-    if (contentLengthHeader != null) {
+    // To avoid header with blank value
+    if (contentLengthHeader != null && contentLengthHeader.trim().length() != 0) {
       return Long.parseLong(contentLengthHeader);
     }
     return -1L;