+(*
+ OCaml HTTP - do it yourself (fully OCaml) HTTP daemon
+
+ Copyright (C) <2002-2004> 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.
+
+ 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.
+
+ 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
+*)
+
open Printf
+open Http_common
+
+exception Http_error of (int * string) (* code, body *)
+
let http_scheme_RE = Pcre.regexp ~flags:[`CASELESS] "^http://"
let url_RE = Pcre.regexp "^([\\w.-]+)(:(\\d+))?(/.*)?$"
let inchan = Unix.in_channel_of_descr suck in
(inchan, outchan)
-let http_get_iter_buf ~callback url =
+let submit_request kind url =
let (address, port, path) = parse_url url in
- let buf = String.create tcp_bufsiz in
let (inchan, outchan) = init_socket address port in
- output_string outchan (sprintf "GET %s HTTP/1.0\r\n\r\n" path);
+ let req_string = match kind with `GET -> "GET" | `HEAD -> "HEAD" in
+ output_string outchan (sprintf "%s %s HTTP/1.0\r\n" req_string path);
+ output_string outchan (sprintf "Host: %s\r\n\r\n" address);
flush outchan;
+ (inchan, outchan)
+
+let http_head url =
+ let (inchan, outchan) = submit_request `HEAD url in
+ let (_, status) = Http_parser.parse_response_fst_line inchan in
+ (match code_of_status status with
+ | 200 -> ()
+ | code -> raise (Http_error (code, "")));
+ let buf = Http_misc.buf_of_inchan inchan in
+ close_in inchan; (* close also outchan, same fd *)
+ Buffer.contents buf
+
+let http_get_iter callback url =
+ let (inchan, outchan) = submit_request `GET url in
+ let buf = String.create tcp_bufsiz in
+ let (_, status) = Http_parser.parse_response_fst_line inchan in
+ (match code_of_status status with
+ | 200 -> ()
+ | code -> raise (Http_error (code, "")));
+ ignore (Http_parser.parse_headers inchan);
(try
while true do
match input inchan buf 0 tcp_bufsiz with
let http_get url =
let buf = Buffer.create 10240 in
- http_get_iter_buf ~callback:(Buffer.add_string buf) url;
+ http_get_iter (Buffer.add_string buf) url;
Buffer.contents buf