Export Replacer and use concrete type instead of interface

The interface was only making things difficult; a concrete pointer is
probably best.

1 files changed, 2 insertions, 2 deletions

diff --git a/modules/caddyhttp/reverseproxy/reverseproxy.go b/modules/caddyhttp/reverseproxy/reverseproxy.go
index 24389b2..238e86f 100644
--- a/modules/caddyhttp/reverseproxy/reverseproxy.go
+++ b/modules/caddyhttp/reverseproxy/reverseproxy.go
@@ -263,7 +263,7 @@ func (h *Handler) Cleanup() error {
 }
 
 func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyhttp.Handler) error {
-	repl := r.Context().Value(caddy.ReplacerCtxKey).(caddy.Replacer)
+	repl := r.Context().Value(caddy.ReplacerCtxKey).(*caddy.Replacer)
 
 	// if enabled, buffer client request;
 	// this should only be enabled if the
@@ -507,7 +507,7 @@ func (h *Handler) reverseProxy(rw http.ResponseWriter, req *http.Request, di Dia
 	if h.Headers != nil && h.Headers.Response != nil {
 		if h.Headers.Response.Require == nil ||
 			h.Headers.Response.Require.Match(res.StatusCode, rw.Header()) {
-			repl := req.Context().Value(caddy.ReplacerCtxKey).(caddy.Replacer)
+			repl := req.Context().Value(caddy.ReplacerCtxKey).(*caddy.Replacer)
 			h.Headers.Response.ApplyTo(rw.Header(), repl)
 		}
 	}