From 55b4c12e0404347828ed691594d1f8ae8228c598 Mon Sep 17 00:00:00 2001
From: Matthew Holt <mholt@users.noreply.github.com>
Date: Mon, 21 Mar 2022 17:05:38 -0600
Subject: map: Evaluate placeholders in output vals (#4650)

---
 modules/caddyhttp/map/map.go | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'modules/caddyhttp/map/map.go')

diff --git a/modules/caddyhttp/map/map.go b/modules/caddyhttp/map/map.go
index 8394955..0a27aab 100644
--- a/modules/caddyhttp/map/map.go
+++ b/modules/caddyhttp/map/map.go
@@ -145,6 +145,10 @@ func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyhtt
 				return string(result), true
 			}
 			if input == m.Input {
+				if outputStr, ok := output.(string); ok {
+					// NOTE: if the output has a placeholder that has the same key as the input, this is infinite recursion
+					return repl.ReplaceAll(outputStr, ""), true
+				}
 				return output, true
 			}
 		}
-- 
cgit v1.2.3