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/.
26 open Http_getter_types
30 ignore (Http_user_agent.get cmd)
31 with exn -> raise (Http_client_error (cmd, Printexc.to_string exn))
35 Http_user_agent.get url
36 with exn -> raise (Http_client_error (Printexc.to_string exn, url))
38 let get_and_save url dest_filename =
39 let out_channel = open_out dest_filename in
41 Http_user_agent.get_iter (output_string out_channel) url;
43 close_out out_channel;
44 Sys.remove dest_filename;
45 raise (Http_client_error (Printexc.to_string exn, url)));
48 let get_and_save_to_tmp url =
49 let flat_string s s' c =
50 let cs = String.copy s in
51 for i = 0 to (String.length s) - 1 do
52 if String.contains s' s.[i] then cs.[i] <- c
56 let user = try Unix.getlogin () with _ -> "" in
58 Filename.temp_file (user ^ flat_string url ".-=:;!?/&" '_') ""
60 get_and_save url tmp_file;
65 ignore (Http_user_agent.head url);
67 with Http_user_agent.Http_error _ -> false