From 6142a1100cc169bb61a6e7327742e3f20ce074f7 Mon Sep 17 00:00:00 2001
From: Tordarus <tordarus@protonmail.com>
Date: Tue, 11 Feb 2025 12:45:20 +0100
Subject: [PATCH] remove old auth header on Auth() call

---
 request.go |  5 ++++-
 utils.go   | 10 ++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 utils.go

diff --git a/request.go b/request.go
index 318a159..717f4f9 100644
--- a/request.go
+++ b/request.go
@@ -153,7 +153,10 @@ func HeadersMap(headers map[string]string) RequestModifier {
 }
 
 func Auth(auth AuthProvider) RequestModifier {
-	return Headers("Authentication", auth())
+	return chainMods(
+		RemoveHeaders("Authentication"),
+		Headers("Authentication", auth()),
+	)
 }
 
 func Basic(username, password string) AuthProvider {
diff --git a/utils.go b/utils.go
new file mode 100644
index 0000000..1360062
--- /dev/null
+++ b/utils.go
@@ -0,0 +1,10 @@
+package ezhttp
+
+func chainMods(mods ...RequestModifier) RequestModifier {
+	return func(r *RequestBuilder) *RequestBuilder {
+		for _, mod := range mods {
+			r = mod(r)
+		}
+		return r
+	}
+}