(*
OCaml HTTP - do it yourself (fully OCaml) HTTP daemon
- Copyright (C) <2002> Stefano Zacchiroli <zack@cs.unibo.it>
+ Copyright (C) <2002-2005> Stefano Zacchiroli <zack@cs.unibo.it>
This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
+ it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation, version 2.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ GNU Library General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA
*)
-open Printf;;
+open Printf
-open Http_common;;
-open Http_types;;
-open Http_constants;;
-open Http_parser;;
+open Http_common
+open Http_types
+open Http_constants
+open Http_parser
(** send raw data on outchan, flushing it afterwards *)
let send_raw ~data outchan =
(`Code 403) outchan
let respond_unauthorized ?version ?(realm = server_string) outchan =
+ let body =
+ sprintf "401 - Unauthorized - Authentication failed for realm \"%s\"" realm
+ in
respond ~headers:["WWW-Authenticate", sprintf "Basic realm=\"%s\"" realm]
- ~code:(`Code 401) outchan
+ ~code:(`Code 401) ~body outchan
let send_file ~src outchan =
let buflen = 1024 in
close_in file
end
with
- | Unix.Unix_error (Unix.EACCES, s, _) when (s = fname) ->
+ | Unix.Unix_error (Unix.EACCES, _, _)
+ | Sys_error _ ->
respond_forbidden ~url:fname ~version outchan
- | Sys_error s when
- (Pcre.pmatch ~rex:(Pcre.regexp (fname ^ ": Permission denied")) s) ->
- respond_forbidden ~url:fname ~version outchan
end
let respond_with (res: Http_types.response) outchan =
callbacks keep on living until the end or are them all killed immediatly?
The right semantics should obviously be the first one *)
+let handle_manual_auth outchan f =
+ try
+ f ()
+ with
+ | Unauthorized realm -> respond_unauthorized ~realm outchan
+ | Again -> ()
+
+let handle_auth req spec outchan =
+ try
+ (match (spec.auth, req#authorization) with
+ | None, _ -> spec.callback req outchan (* no auth required *)
+ | Some (realm, `Basic (spec_username, spec_password)),
+ Some (`Basic (username, password))
+ when (username = spec_username) && (password = spec_password) ->
+ (* auth ok *)
+ spec.callback req outchan
+ | Some (realm, _), _ -> raise (Unauthorized realm)) (* auth failure *)
+ with
+ | Unauthorized realm -> respond_unauthorized ~realm outchan
+ | Again -> ()
+
(* TODO support also chroot to 'root', not only chdir *)
+ (* TODO deprecated: remove from future versions *)
(* curried request *)
let start
?(addr = default_addr) ?(port = default_port)
- ?(timeout = Some default_timeout) ?(mode = default_mode) ?root callback
+ ?(timeout = default_timeout) ?(mode = default_mode) ?root callback
=
+ Http_misc.warn
+ "Http_daemon.start is deprecated in favour of Http_daemon.main and will be removed in future versions of the library";
chdir_to_document_root root;
let sockaddr = Http_misc.build_sockaddr (addr, port) in
let daemon_callback inchan outchan =
- try
+ handle_manual_auth outchan (fun () ->
let (path, parameters) = safe_parse_request inchan outchan in
callback path parameters outchan;
- flush outchan
- with
- | Unauthorized realm -> respond_unauthorized ~realm outchan
- | Again -> ()
+ flush outchan);
in
try
(server_of_mode mode) ~sockaddr ~timeout daemon_callback
with Quit -> ()
(* OO request *)
+ (* TODO deprecated: remove from future versions *)
let start'
?(addr = default_addr) ?(port = default_port)
- ?(timeout = Some default_timeout) ?(mode = default_mode) ?root callback
- =
+ ?(timeout = default_timeout) ?(mode = default_mode) ?root callback
+=
+ Http_misc.warn
+ "Http_daemon.start' is deprecated in favour of Http_daemon.main and will be removed in future versions of the library";
chdir_to_document_root root;
let sockaddr = Http_misc.build_sockaddr (addr, port) in
let daemon_callback inchan outchan =
- try
+ handle_manual_auth outchan (fun () ->
let req = safe_parse_request' inchan outchan in
callback req outchan;
- flush outchan
- with
- | Unauthorized realm -> respond_unauthorized ~realm outchan
- | Again -> ()
+ flush outchan)
in
try
(server_of_mode mode) ~sockaddr ~timeout daemon_callback
with Quit -> ()
+let main spec =
+ chdir_to_document_root spec.root_dir;
+ let sockaddr = Http_misc.build_sockaddr (spec.address, spec.port) in
+ let daemon_callback inchan outchan =
+ try
+ let req = safe_parse_request' inchan outchan in
+ handle_auth req spec outchan;
+ flush outchan
+ with exn ->
+ (match spec.exn_handler with
+ | Some f ->
+ debug_print "uncaught exception: executing handler";
+ f exn outchan
+ | None ->
+ debug_print "uncaught exception but no handler given: re-raising";
+ raise exn)
+ in
+ try
+ (server_of_mode spec.mode) ~sockaddr ~timeout:spec.timeout daemon_callback
+ with Quit -> ()
+
module Trivial =
struct
- let callback path _ outchan =
- if not (Pcre.pmatch ~rex:(Pcre.regexp "^/") path) then
+ let heading_slash_RE = Pcre.regexp "^/"
+
+ let trivial_callback req outchan =
+ let path = req#path in
+ if not (Pcre.pmatch ~rex:heading_slash_RE path) then
respond_error ~code:(`Code 400) outchan
else
respond_file ~fname:(Http_misc.strip_heading_slash path) outchan
- let start ?(addr = default_addr) ?(port = default_port) () =
- start ~addr ~port callback
+
+ let callback = trivial_callback
+
+ let main spec = main { spec with callback = trivial_callback }
end
(* @param inchan input channel connected to client
end
+open Http_constants
+
+let default_spec = {
+ address = default_addr;
+ auth = default_auth;
+ callback = default_callback;
+ mode = default_mode;
+ port = default_port;
+ root_dir = default_root_dir;
+ exn_handler = default_exn_handler;
+ timeout = default_timeout;
+}
+
+let daemon_spec
+ ?(address = default_addr) ?(auth = default_auth)
+ ?(callback = default_callback) ?(mode = default_mode) ?(port = default_port)
+ ?(root_dir = default_root_dir) ?(exn_handler = default_exn_handler)
+ ?(timeout = default_timeout)
+ ()
+=
+ { default_spec with
+ address = address;
+ auth = auth;
+ callback = callback;
+ mode = mode;
+ port = port;
+ root_dir = root_dir;
+ exn_handler = exn_handler;
+ timeout = timeout;
+ }
+