1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
<?php
# Movable Type (r) Open Source (C) 2001-2008 Six Apart, Ltd.
# This program is distributed under the terms of the
# GNU General Public License, version 2.
#
# $Id: captcha_lib.php 1174 2008-01-08 21:02:50Z bchoate $
global $_captcha_providers;
$provider = new MTUtilCaptcha();
$_captcha_providers[$provider->get_key()] = $provider;
class BaseCaptchaProvider {
// Abstract Method (needs override)
function get_key() { }
function get_name() { }
function get_classname() { }
function form_fields($blog_id) { }
}
class MTUtilCaptcha extends BaseCaptchaProvider {
function get_key() {
return 'mt_default';
}
function get_name() {
return 'Movable Type default';
}
function get_classname() {
return 'MTUtilCaptcha';
}
function form_fields($blog_id) {
global $mt;
$token = '';
if (floatval(PHP_VERSION) >= 4.3) {
$token = @sha1(rand(0, 65535));
} else {
if (extension_loaded('mtoken')) {
$token = bin2hex(mtoken(Mtoken_SHA1, $token_src));
}
}
if (strlen($token) == 0) {
return '';
}
$cgipath = $mt->config('CGIPath');
$commentscript = $mt->config('CommentScript');
$caption = $mt->translate('Captcha');
$description = $mt->translate('Type the characters you see in the picture above.');
$form = "
<div class=\"label\"><label for=\"captcha_code\">$caption:</label></div>
<div class=\"field\">
<input type=\"hidden\" name=\"token\" value=\"$token\" />
<img src=\"$cgipath$commentscript/captcha/$blog_id/$token\" width=\"150\" height=\"35\" /><br />
<input name=\"captcha_code\" id=\"captcha-code\" value=\"\" autocomplete=\"off\" />
<p>$description</p>
</div>";
return $form;
}
}
?>
|
