- (fn s =>
- let
- fun default () = List.exists (fn s' => s = s') Config.Apache.proxyTargets
- in
- case String.fields (fn ch => ch = #":") s of
- "http" :: host :: rest =>
- let
- val rest = String.concatWith ":" rest
- in
- if List.exists (fn h' => host = h') (map (fn h => String.concat ["//", h]) Config.Apache.proxyHosts)
- then
- CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch)
- andalso ch <> #"\"" andalso ch <> #"'") rest
- andalso case String.fields (fn ch => ch = #"/") rest of
- port :: _ =>
- (case Int.fromString port of
- NONE => default ()
- | SOME n => n > 1024 orelse default ())
- | _ => default ()
- else
- default ()
- end
- | _ => default ()
- end)
+ (validProxyTarget (fn s => List.exists (fn s' => s = s') (Config.Apache.proxyTargets @ ["!"])))
+
+val _ = Env.type_one "proxy_reverse_target"
+ Env.string
+ (validProxyTarget (fn s => List.exists (fn s' => s = s') Config.Apache.proxyTargets))