1 (* COCANWIKI - a wiki written in Objective CAML.
2 * Written by Richard W.M. Jones <rich@merjis.com>.
3 * Copyright (C) 2004 Merjis Ltd.
4 * $Id: signup.ml,v 1.10 2006/03/27 18:09:46 rich Exp $
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; see the file COPYING. If not, write to
18 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
29 open Cocanwiki_strings
31 let run r (q : cgi) dbh hostid _ _ =
32 (* Verify that we're allowed to create accounts anonymously
35 let sth = dbh#prepare_cached "select create_account_anon from hosts
37 sth#execute [Some hostid];
39 let create_account_anon =
40 match sth#fetch1 () with
42 | _ -> assert false in
44 let username = trim (q#param "username") in
45 let password1 = trim (q#param "password1") in
46 let password2 = trim (q#param "password2") in
48 if username = "" || password1 = "" || password2 = "" then (
49 error ~back_button:true ~title:"Bad username or password"
50 dbh hostid q "The username or password you gave is empty.";
54 if password1 <> password2 then (
55 error ~back_button:true ~title:"Passwords don't match"
56 dbh hostid q "The two passwords you gave aren't identical.";
60 let password = password1 in
63 Uh oh ... Not making UNICODE assumptions ... XXX
64 if String.length username > 32 || String.length password > 32 then
67 let email = trim (q#param "email") in
68 let email = if string_is_whitespace email then None else Some email in
70 (* Not a duplicate? *)
71 let sth = dbh#prepare_cached "select id from users
72 where hostid = ? and name = ?" in
73 sth#execute [Some hostid; Some username];
77 error ~back_button:true ~title:"Username already taken"
79 ("Someone, possibly you, has already taken that username. " ^
80 "If you think you have forgotten your password, try going back " ^
81 "and clicking on the 'Forgotten your password?' link.");
86 (* Create the user account. *)
87 let sth = dbh#prepare_cached "insert into users (name, password, email,
89 values (?, ?, ?, ?)" in
90 sth#execute [Some username; Some password; email; Some hostid];
92 let userid = Int64.to_int (sth#serial "users_id_seq") in
94 (* Create a cookie. *)
95 let cookie = random_sessionid () in
96 let sth = dbh#prepare_cached "insert into usercookies (userid, cookie)
98 sth#execute [Some userid; Some cookie];
102 let buttons = [ ok_button "/" ] in
103 let cookie = Cookie.cookie "auth" cookie ~path:"/" in
105 ok ~title:"Account created"
109 ("An account was created for you, " ^ username ^ ". " ^
110 "We hope you enjoy using this service.")