From 955d93bf2e0f5aba8c7acdbc829522a8382a7f0d Mon Sep 17 00:00:00 2001
From: Eric J Potter <eric.potter@stackhawk.com>
Date: Thu, 19 Dec 2024 12:53:16 -0600
Subject: [PATCH] Update aws-sigv4.kts

Small reordering of code to avoid an NPE that turned up in extended testing.
---
 scripts/examples/httpsender/aws-sigv4.kts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/examples/httpsender/aws-sigv4.kts b/scripts/examples/httpsender/aws-sigv4.kts
index 85c2fd0..69b7697 100644
--- a/scripts/examples/httpsender/aws-sigv4.kts
+++ b/scripts/examples/httpsender/aws-sigv4.kts
@@ -58,10 +58,10 @@ fun sendingRequest(msg: HttpMessage, initiator: Int, helper: HttpSenderScriptHel
     val host = msg.requestHeader.hostName
     var canonicalQuerystring = ""
 
-    if (parsedUrl.query != "") {
+    var query = parsedUrl.query ?: ""
+    if (query != "") {
         // Replace any + * from ZAP Payloads with %20/%2A - + * breaks signature
-        val query = parsedUrl.query
-            .replace("+", "%20")
+        query.replace("+", "%20")
             .replace("*", "%2A")
 
         // sort parameters
@@ -119,4 +119,4 @@ fun responseReceived(msg: HttpMessage, initiator: Int, helper: HttpSenderScriptH
     logger.info("responseReceived function called")
     logger.info("\n${msg.requestHeader}\n${msg.requestBody}")
     logger.info("\n${msg.responseHeader}\n${msg.responseBody}")
-}
\ No newline at end of file
+}