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module type S = sig
type addr
val make_env :
addr Request.t -> fullpath:string -> path:string -> string array
end
module Make (Addr : Types.ADDR) : S with type addr := Addr.t = struct
let make_env req ~fullpath ~path =
let empty = "" in
let empty_by_default = Option.value ~default:"" in
let common_name_cert =
match Request.client_cert req with
| [] -> None
| c :: _ ->
Option.map
(fun (_, d) -> Domain_name.to_string d)
(X509.Certificate.hostnames c |> X509.Host.Set.choose_opt)
in
let client_addr = Format.asprintf "%a" Addr.pp (Request.ip req) in
[|
( "AUTH_TYPE",
Option.fold common_name_cert ~none:"" ~some:(fun _ -> "CERTIFICATE") );
("CONTENT_LENGTH", empty);
("CONTENT_TYPE", empty);
("GATEWAY_INTERFACE", "CGI/1.1");
("PATH_INFO", Request.target req |> Uri.pct_decode);
("PATH_TRANSLATED", path);
("QUERY_STRING", Request.query req |> empty_by_default);
("REMOTE_ADDR", client_addr);
("REMOTE_HOST", client_addr);
("REMOTE_IDENT", empty);
("REQUEST_METHOD", empty);
("REMOTE_USER", empty_by_default common_name_cert);
("SCRIPT_NAME", fullpath);
("SERVER_NAME", Request.uri req |> Uri.host |> empty_by_default);
("SERVER_PORT", Request.port req |> Int.to_string);
("SERVER_PROTOCOL", "GEMINI");
("SERVER_SOFTWARE", "Mehari/%%VERSION%%");
|]
|> Array.map (fun (name, value) -> Printf.sprintf "%s=%s" name value)
end