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: contact.ml,v 1.8 2005/03/31 14:24:04 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.
30 open Cocanwiki_template
33 let run r (q : cgi) (dbh : Dbi.connection) hostid {hostname = hostname} user =
34 let template = get_template dbh hostid "contact.txt" in
37 error ~back_button:true ~title:"Bad form"
38 q (msg ^ " Please contact the owner of the site by email.");
42 (* Get the name field. *)
47 fail "The 'name' field is missing in that form." in
49 (* Get the contacts / emails from the database. *)
50 let sth = dbh#prepare_cached "select id, subject from contacts
51 where hostid = ? and name = ?" in
52 sth#execute [`Int hostid; `String name];
56 (match sth#fetch1 () with
57 [ `Int id; `String subject ] -> id, subject
60 with Not_found -> fail "There is no such contact form in the database." in
62 let sth = dbh#prepare_cached "select email from contact_emails
63 where contactid = ?" in
64 sth#execute [`Int id];
66 let emails = sth#map (function [`String email] -> email
67 | _ -> assert false) in
70 fail "There are no email addresses associated with that contact id.";
72 (* Now process the strings passed as parameters to the script. Any
73 * parameter which starts with 'file' (eg. 'file0') is treated as a
74 * file upload automatically.
76 let names = List.map fst q#params in
78 if q#is_multipart then (
80 List.filter (fun str -> String.starts_with str "file") names in
82 List.filter (fun str -> str <> "id" &&
83 not (String.starts_with str "file")) names in
89 * Ignore repeat parameters. - Don't use these in forms.
91 let rec uniq = function
94 | x :: y :: xs when compare x y = 0 -> uniq (x :: xs)
95 | x :: y :: xs -> x :: uniq (y :: xs)
98 let names = uniq (List.sort compare names) in
99 let uploads = uniq (List.sort compare uploads) in
101 (* Some browsers send an empty file for empty uploads. Remove those. *)
103 let not_empty name = (q#upload name).upload_value <> "" in
104 List.filter not_empty uploads in
106 (* Get the IP address for logging purposes. *)
108 try Connection.remote_ip (Request.connection r) with Not_found -> "" in
110 (* Get the User-Agent string. Consider in future rejecting spammers
111 * who don't set User-Agent.
114 try Table.get (Request.headers_in r) "User-Agent" with Not_found -> "" in
116 (* Get the user details, if any. *)
119 Anonymous -> "anonymous"
120 | User (userid, username, _, _) ->
121 sprintf "%s (%d)" username userid in
123 template#set "ip" ip;
124 template#set "ua" ua;
125 template#set "username" username;
126 template#set "hostname" hostname;
128 (* Construct the table of names, values for the initial email. *)
129 let table = List.map (fun name ->
130 let value = q#param name in
131 [ "name", Template.VarString name;
132 "value", Template.VarString value ]) names in
133 template#table "names" table;
135 (* Any uploads to follow? *)
136 template#conditional "uploads" (uploads <> []);
137 template#set "nr_uploads" (string_of_int (List.length uploads));
139 (* Send the initial email. *)
140 let body = template#to_string in
141 Sendmail.send_mail ~subject ~to_addr:emails body;
143 (* Send the following uploads by email. *)
144 List.iter (fun name ->
145 let upload = q#upload name in
146 let subject = upload.upload_filename in
147 (* XXX This is insecure. *)
148 let content_type = upload.upload_content_type in
149 let body = upload.upload_value in
151 Sendmail.send_mail ~subject ~to_addr:emails ~content_type body)
155 ok ~title:"Thank you for your contact" ~buttons:[ok_button "/"]
156 q "An email was sent and you should receive a reply shortly."
159 register_script ~restrict:[CanView] run