1 (* Copyright (C) 2000-2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
28 open Http_getter_types
32 ignore (Http_user_agent.get cmd)
33 with exn -> raise (Http_client_error (cmd, Printexc.to_string exn))
37 Http_user_agent.get url
38 with exn -> raise (Http_client_error (Printexc.to_string exn, url))
40 let get_and_save url dest_filename =
41 let out_channel = open_out dest_filename in
43 Http_user_agent.get_iter (output_bytes out_channel) url;
45 close_out out_channel;
46 Sys.remove dest_filename;
47 raise (Http_client_error (Printexc.to_string exn, url)));
50 let get_and_save_to_tmp url =
51 let flat_string s s' c =
52 let cs = Bytes.of_string s in
53 for i = 0 to (String.length s) - 1 do
54 if String.contains s' s.[i] then cs.[i] <- c
58 let user = try Unix.getlogin () with _ -> "" in
60 Filename.temp_file (user ^ flat_string url ".-=:;!?/&" '_') ""
62 get_and_save url tmp_file;
67 ignore (Http_user_agent.head url);
70 Http_user_agent.Http_error _ -> false
71 | Not_found -> prerr_endline (Printf.sprintf "An object %s has metadata but no XML. This is an internal bug of ocaml-http: Zack, please fix it!"