| 1 |
596
|
thorn
|
<?php
|
| 2 |
|
|
|
| 3 |
|
|
// $Id$
|
| 4 |
|
|
|
| 5 |
|
|
/*
|
| 6 |
|
|
|
| 7 |
|
|
Website Baker Project <http://www.websitebaker.org/>
|
| 8 |
|
|
Copyright (C) 2004-2008, Ryan Djurovich
|
| 9 |
|
|
|
| 10 |
|
|
Website Baker is free software; you can redistribute it and/or modify
|
| 11 |
|
|
it under the terms of the GNU General Public License as published by
|
| 12 |
|
|
the Free Software Foundation; either version 2 of the License, or
|
| 13 |
|
|
(at your option) any later version.
|
| 14 |
|
|
|
| 15 |
|
|
Website Baker is distributed in the hope that it will be useful,
|
| 16 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 17 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 18 |
|
|
GNU General Public License for more details.
|
| 19 |
|
|
|
| 20 |
|
|
You should have received a copy of the GNU General Public License
|
| 21 |
|
|
along with Website Baker; if not, write to the Free Software
|
| 22 |
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
| 23 |
|
|
|
| 24 |
|
|
*/
|
| 25 |
|
|
|
| 26 |
|
|
// Must include code to stop this file being accessed directly
|
| 27 |
|
|
if(!defined('WB_PATH')) { exit("Cannot access this file directly"); }
|
| 28 |
|
|
|
| 29 |
|
|
if(!isset($admin)) {
|
| 30 |
|
|
require_once(WB_PATH.'/framework/class.wb.php');
|
| 31 |
|
|
$admin = new wb;
|
| 32 |
|
|
}
|
| 33 |
|
|
|
| 34 |
|
|
// check if module language file exists for the language set by the user (e.g. DE, EN)
|
| 35 |
|
|
global $MOD_CAPTCHA;
|
| 36 |
|
|
if(!file_exists(WB_PATH.'/modules/captcha_control/languages/'.LANGUAGE .'.php')) {
|
| 37 |
|
|
// no module language file exists for the language set by the user, include default module language file EN.php
|
| 38 |
|
|
require_once(WB_PATH.'/modules/captcha_control/languages/EN.php');
|
| 39 |
|
|
} else {
|
| 40 |
|
|
// a module language file exists for the language defined by the user, load it
|
| 41 |
|
|
require_once(WB_PATH.'/modules/captcha_control/languages/'.LANGUAGE .'.php');
|
| 42 |
|
|
}
|
| 43 |
|
|
|
| 44 |
|
|
// output-handler for image-captchas to determine size of image
|
| 45 |
|
|
if(!function_exists('captcha_header')) {
|
| 46 |
|
|
function captcha_header() {
|
| 47 |
|
|
header("Expires: Mon, 1 Jan 1990 05:00:00 GMT");
|
| 48 |
|
|
header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
|
| 49 |
|
|
header("Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate");
|
| 50 |
|
|
header("Cache-Control: post-check=0, pre-check=0", false); // MS made there own headers :-(
|
| 51 |
|
|
header("Pragma: no-cache");
|
| 52 |
|
|
header("Content-type: image/png");
|
| 53 |
|
|
return;
|
| 54 |
|
|
}
|
| 55 |
|
|
}
|
| 56 |
|
|
|
| 57 |
|
|
// get list of available CAPTCHAS for the dropdown-listbox in admin-tools
|
| 58 |
|
|
if(extension_loaded('gd') && function_exists('imagepng') && function_exists('imagettftext')) {
|
| 59 |
|
|
$useable_captchas = array(
|
| 60 |
|
|
'calc_text'=>$MOD_CAPTCHA_CONTROL['CALC_TEXT'],
|
| 61 |
|
|
'calc_image'=>$MOD_CAPTCHA_CONTROL['CALC_IMAGE'],
|
| 62 |
615
|
thorn
|
'calc_ttf_image'=>$MOD_CAPTCHA_CONTROL['CALC_TTF_IMAGE'],
|
| 63 |
596
|
thorn
|
'ttf_image'=>$MOD_CAPTCHA_CONTROL['TTF_IMAGE'],
|
| 64 |
624
|
thorn
|
'old_image'=>$MOD_CAPTCHA_CONTROL['OLD_IMAGE'],
|
| 65 |
|
|
'text'=>$MOD_CAPTCHA_CONTROL['TEXT']
|
| 66 |
596
|
thorn
|
);
|
| 67 |
|
|
} elseif(extension_loaded('gd') && function_exists('imagepng')) {
|
| 68 |
|
|
$useable_captchas = array(
|
| 69 |
|
|
'calc_text'=>$MOD_CAPTCHA_CONTROL['CALC_TEXT'],
|
| 70 |
|
|
'calc_image'=>$MOD_CAPTCHA_CONTROL['CALC_IMAGE'],
|
| 71 |
624
|
thorn
|
'old_image'=>$MOD_CAPTCHA_CONTROL['OLD_IMAGE'],
|
| 72 |
|
|
'text'=>$MOD_CAPTCHA_CONTROL['TEXT']
|
| 73 |
596
|
thorn
|
);
|
| 74 |
|
|
} else {
|
| 75 |
|
|
$useable_captchas = array(
|
| 76 |
624
|
thorn
|
'calc_text'=>$MOD_CAPTCHA_CONTROL['CALC_TEXT'],
|
| 77 |
|
|
'text'=>$MOD_CAPTCHA_CONTROL['TEXT']
|
| 78 |
596
|
thorn
|
);
|
| 79 |
|
|
}
|
| 80 |
|
|
|
| 81 |
|
|
if(!function_exists('call_captcha')) {
|
| 82 |
|
|
function call_captcha() {
|
| 83 |
|
|
global $MOD_CAPTCHA;
|
| 84 |
609
|
thorn
|
$t = time();
|
| 85 |
|
|
$_SESSION['captcha_time'] = $t;
|
| 86 |
|
|
|
| 87 |
596
|
thorn
|
switch(CAPTCHA_TYPE) {
|
| 88 |
624
|
thorn
|
// one special case
|
| 89 |
|
|
case 'text': // text-captcha
|
| 90 |
|
|
?><table class="captcha_table"><tr>
|
| 91 |
|
|
<td class="text_captcha"><?php include(WB_PATH.'/include/captcha/captchas/text.php'); ?></td>
|
| 92 |
|
|
<td><input type="text" name="captcha" maxlength="10" style="width:70px" /></td>
|
| 93 |
|
|
<td class="captcha_expl"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_QUEST']; ?></td>
|
| 94 |
|
|
</tr></table><?php
|
| 95 |
|
|
break;
|
| 96 |
596
|
thorn
|
// two special cases
|
| 97 |
|
|
case 'calc_text': // calculation as text
|
| 98 |
615
|
thorn
|
?><table class="captcha_table"><tr>
|
| 99 |
624
|
thorn
|
<td class="text_captcha"><?php include(WB_PATH.'/include/captcha/captchas/calc_text.php'); ?> = </td>
|
| 100 |
615
|
thorn
|
<td><input type="text" name="captcha" maxlength="5" style="width:20px" /></td>
|
| 101 |
|
|
<td class="captcha_expl"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_RES']; ?></td>
|
| 102 |
|
|
</tr></table><?php
|
| 103 |
596
|
thorn
|
break;
|
| 104 |
|
|
case 'calc_image': // calculation with image (old captcha)
|
| 105 |
615
|
thorn
|
?><table class="captcha_table"><tr>
|
| 106 |
624
|
thorn
|
<td class="image_captcha"><img src="<?php echo WB_URL."/include/captcha/captchas/calc_image.php?t=$t"; ?>" alt="Captcha" /></td><td> = </td>
|
| 107 |
615
|
thorn
|
<td><input type="text" name="captcha" maxlength="5" style="width:20px" /></td>
|
| 108 |
|
|
<td class="captcha_expl"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_RES']; ?></td>
|
| 109 |
|
|
</tr></table><?php
|
| 110 |
596
|
thorn
|
break;
|
| 111 |
|
|
// normal images
|
| 112 |
|
|
case 'ttf_image': // captcha with varying background and ttf-font
|
| 113 |
615
|
thorn
|
case 'calc_ttf_image': // calculation with varying background and ttf-font
|
| 114 |
596
|
thorn
|
case 'old_image': // old captcha
|
| 115 |
615
|
thorn
|
?><table class="captcha_table"><tr>
|
| 116 |
624
|
thorn
|
<td class="image_captcha"><img src="<?php echo WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t"; ?>" alt="Captcha" /></td>
|
| 117 |
615
|
thorn
|
<td><input type="text" name="captcha" maxlength="5" style="width:50px" /></td>
|
| 118 |
|
|
<td class="captcha_expl"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_TEXT']; ?></td>
|
| 119 |
|
|
</tr></table><?php
|
| 120 |
596
|
thorn
|
break;
|
| 121 |
|
|
}
|
| 122 |
|
|
}
|
| 123 |
|
|
}
|
| 124 |
615
|
thorn
|
?>
|