From f2cafd45839342a19b5ff1a7ca26006bb855edb6 Mon Sep 17 00:00:00 2001
From: FujiHaruka <fizzyjohn1427@gmail.com>
Date: Mon, 11 Oct 2021 16:47:25 +0900
Subject: [PATCH] Skip adding authorization header if it already exists

---
 .../java/com/browserup/bup/filters/AutoBasicAuthFilter.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/browserup-proxy-core/src/main/java/com/browserup/bup/filters/AutoBasicAuthFilter.java b/browserup-proxy-core/src/main/java/com/browserup/bup/filters/AutoBasicAuthFilter.java
index e2ba5f015..d3c382ce0 100644
--- a/browserup-proxy-core/src/main/java/com/browserup/bup/filters/AutoBasicAuthFilter.java
+++ b/browserup-proxy-core/src/main/java/com/browserup/bup/filters/AutoBasicAuthFilter.java
@@ -55,7 +55,7 @@ public HttpResponse clientToProxyRequest(HttpObject httpObject) {
                 }
             }
 
-            if (base64CredentialsForHostname != null) {
+            if (!httpRequest.headers().contains(HttpHeaderNames.AUTHORIZATION) && base64CredentialsForHostname != null) {
                 httpRequest.headers().add(HttpHeaderNames.AUTHORIZATION, "Basic " + base64CredentialsForHostname);
             }
         }