reverseproxy: Support performing pre-check requests (#4739)

1 files changed, 18 insertions, 3 deletions

diff --git a/caddyconfig/httpcaddyfile/builtins_test.go b/caddyconfig/httpcaddyfile/builtins_test.go
index 991c649..bd5e116 100644
--- a/caddyconfig/httpcaddyfile/builtins_test.go
+++ b/caddyconfig/httpcaddyfile/builtins_test.go
@@ -149,20 +149,35 @@ func TestRedirDirectiveSyntax(t *testing.T) {
 			expectError: false,
 		},
 		{
+			// this is now allowed so a Location header
+			// can be written and consumed by JS
+			// in the case of XHR requests
 			input: `:8080 {
-				redir /old.html /new.html htlm
+				redir * :8081 401
+			}`,
+			expectError: false,
+		},
+		{
+			input: `:8080 {
+				redir * :8081 402
 			}`,
 			expectError: true,
 		},
 		{
 			input: `:8080 {
-				redir * :8081 200
+				redir * :8081 {http.reverse_proxy.status_code}
+			}`,
+			expectError: false,
+		},
+		{
+			input: `:8080 {
+				redir /old.html /new.html htlm
 			}`,
 			expectError: true,
 		},
 		{
 			input: `:8080 {
-				redir * :8081 400
+				redir * :8081 200
 			}`,
 			expectError: true,
 		},