| 1 |
2
|
Manuela
|
<?php
|
| 2 |
|
|
/**
|
| 3 |
|
|
*
|
| 4 |
|
|
* @category captcha
|
| 5 |
|
|
* @package include
|
| 6 |
|
|
* @subpackage
|
| 7 |
|
|
* @author Ryan Djurovich,WebsiteBaker Project
|
| 8 |
|
|
* @copyright WebsiteBaker Org. e.V.
|
| 9 |
|
|
* @link http://websitebaker.org/
|
| 10 |
|
|
* @license http://www.gnu.org/licenses/gpl.html
|
| 11 |
|
|
* @platform WebsiteBaker 2.8.3
|
| 12 |
|
|
* @requirements PHP 5.3.6 and higher
|
| 13 |
|
|
* @version $Id$
|
| 14 |
|
|
* @filesource $HeadURL$
|
| 15 |
|
|
* @lastmodified $Date$
|
| 16 |
|
|
*
|
| 17 |
|
|
*/
|
| 18 |
|
|
|
| 19 |
|
|
// displays the image or text inside an <iframe>
|
| 20 |
|
|
if(!function_exists('display_captcha_real')) {
|
| 21 |
|
|
function display_captcha_real($kind='image') {
|
| 22 |
|
|
$t = time();
|
| 23 |
|
|
/*
|
| 24 |
|
|
$output = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" ";
|
| 25 |
|
|
$output .= "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
|
| 26 |
|
|
$output .= "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"";
|
| 27 |
|
|
$output .= strtolower(LANGUAGE)."\" lang=\"".strtolower(LANGUAGE)."\">\n";
|
| 28 |
|
|
$output .= "\t<head>\n\t\t<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\"/>\n";
|
| 29 |
|
|
$output .= "\t\t<title>captcha</title>\n\t</head>\n\t<body style=\"margin: 0.925em auto;\">\n";
|
| 30 |
|
|
*/
|
| 31 |
|
|
$output = '
|
| 32 |
|
|
<!DOCTYPE HTML>
|
| 33 |
|
|
<html lang="en">
|
| 34 |
|
|
<head>
|
| 35 |
|
|
<meta charset="utf-8">
|
| 36 |
|
|
<title>captcha</title>
|
| 37 |
|
|
</head>
|
| 38 |
|
|
<body style="margin: 0.925em auto;">
|
| 39 |
|
|
';
|
| 40 |
|
|
|
| 41 |
|
|
$_SESSION['captcha_time'] = $t;
|
| 42 |
|
|
if($kind=='image') {
|
| 43 |
|
|
$output .= "\t\t<a title=\"reload\" href=\"".WB_URL."/include/captcha/captcha.php?display_captcha_X986E21=2\">";
|
| 44 |
|
|
$output .= "<img style=\"border: none;\" src=\"".WB_URL."/include/captcha/captchas/";
|
| 45 |
|
|
$output .= CAPTCHA_TYPE.".php?t=".$t."\" alt=\"Captcha\" /></a>\n";
|
| 46 |
|
|
} else {
|
| 47 |
|
|
$output .= '
|
| 48 |
|
|
<h2>error</h2>
|
| 49 |
|
|
';
|
| 50 |
|
|
}
|
| 51 |
|
|
$output .= '
|
| 52 |
|
|
</body>
|
| 53 |
|
|
</html>
|
| 54 |
|
|
';
|
| 55 |
|
|
echo $output;
|
| 56 |
|
|
}
|
| 57 |
|
|
}
|
| 58 |
|
|
|
| 59 |
|
|
// called from an <iframe>
|
| 60 |
|
|
if(isset($_GET['display_captcha_X986E21'])) {
|
| 61 |
|
|
require('../../config.php');
|
| 62 |
|
|
switch(CAPTCHA_TYPE) {
|
| 63 |
|
|
case 'calc_image':
|
| 64 |
|
|
case 'calc_ttf_image':
|
| 65 |
|
|
case 'ttf_image':
|
| 66 |
|
|
case 'old_image':
|
| 67 |
|
|
display_captcha_real('image');
|
| 68 |
|
|
break;
|
| 69 |
|
|
}
|
| 70 |
|
|
exit(0);
|
| 71 |
|
|
}
|
| 72 |
|
|
|
| 73 |
|
|
|
| 74 |
|
|
// Make sure page cannot be accessed directly
|
| 75 |
|
|
if(!defined('WB_PATH')) { exit("Cannot access this file directly"); }
|
| 76 |
|
|
|
| 77 |
|
|
// check if module language file exists for the language set by the user (e.g. DE, EN)
|
| 78 |
|
|
global $MOD_CAPTCHA;
|
| 79 |
|
|
if(!file_exists(WB_PATH.'/modules/captcha_control/languages/'.LANGUAGE .'.php')) {
|
| 80 |
|
|
// no module language file exists for the language set by the user, include default module language file EN.php
|
| 81 |
|
|
require_once(WB_PATH.'/modules/captcha_control/languages/EN.php');
|
| 82 |
|
|
} else {
|
| 83 |
|
|
// a module language file exists for the language defined by the user, load it
|
| 84 |
|
|
require_once(WB_PATH.'/modules/captcha_control/languages/'.LANGUAGE .'.php');
|
| 85 |
|
|
}
|
| 86 |
|
|
|
| 87 |
|
|
// output-handler for image-captchas to determine size of image
|
| 88 |
|
|
if(!function_exists('captcha_header')) {
|
| 89 |
|
|
function captcha_header() {
|
| 90 |
|
|
header("Expires: Mon, 1 Jan 1990 05:00:00 GMT");
|
| 91 |
|
|
header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
|
| 92 |
|
|
header("Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate");
|
| 93 |
|
|
header("Pragma: no-cache");
|
| 94 |
|
|
header("Content-type: image/png");
|
| 95 |
|
|
return;
|
| 96 |
|
|
}
|
| 97 |
|
|
}
|
| 98 |
|
|
|
| 99 |
|
|
// get list of available CAPTCHAS for the dropdown-listbox in admin-tools
|
| 100 |
|
|
if(extension_loaded('gd') && function_exists('imagepng') && function_exists('imagettftext')) {
|
| 101 |
|
|
$useable_captchas = array(
|
| 102 |
|
|
'calc_text'=>$MOD_CAPTCHA_CONTROL['CALC_TEXT'],
|
| 103 |
|
|
'calc_image'=>$MOD_CAPTCHA_CONTROL['CALC_IMAGE'],
|
| 104 |
|
|
'calc_ttf_image'=>$MOD_CAPTCHA_CONTROL['CALC_TTF_IMAGE'],
|
| 105 |
|
|
'ttf_image'=>$MOD_CAPTCHA_CONTROL['TTF_IMAGE'],
|
| 106 |
|
|
'old_image'=>$MOD_CAPTCHA_CONTROL['OLD_IMAGE'],
|
| 107 |
|
|
'text'=>$MOD_CAPTCHA_CONTROL['TEXT']
|
| 108 |
|
|
);
|
| 109 |
|
|
} elseif(extension_loaded('gd') && function_exists('imagepng')) {
|
| 110 |
|
|
$useable_captchas = array(
|
| 111 |
|
|
'calc_text'=>$MOD_CAPTCHA_CONTROL['CALC_TEXT'],
|
| 112 |
|
|
'calc_image'=>$MOD_CAPTCHA_CONTROL['CALC_IMAGE'],
|
| 113 |
|
|
'old_image'=>$MOD_CAPTCHA_CONTROL['OLD_IMAGE'],
|
| 114 |
|
|
'text'=>$MOD_CAPTCHA_CONTROL['TEXT']
|
| 115 |
|
|
);
|
| 116 |
|
|
} else {
|
| 117 |
|
|
$useable_captchas = array(
|
| 118 |
|
|
'calc_text'=>$MOD_CAPTCHA_CONTROL['CALC_TEXT'],
|
| 119 |
|
|
'text'=>$MOD_CAPTCHA_CONTROL['TEXT']
|
| 120 |
|
|
);
|
| 121 |
|
|
}
|
| 122 |
|
|
|
| 123 |
|
|
if(!function_exists('call_captcha')) {
|
| 124 |
|
|
function call_captcha($action='all', $style='', $sec_id='') {
|
| 125 |
|
|
global $MOD_CAPTCHA, $section_id;
|
| 126 |
|
|
$t = time();
|
| 127 |
|
|
$_SESSION['captcha_time'] = $t;
|
| 128 |
|
|
|
| 129 |
|
|
// get width and height of captcha image for use in <iframe>
|
| 130 |
|
|
switch(CAPTCHA_TYPE) {
|
| 131 |
|
|
case 'calc_image':
|
| 132 |
|
|
$captcha_width = 185;
|
| 133 |
|
|
$captcha_height = 70;
|
| 134 |
|
|
break;
|
| 135 |
|
|
case 'calc_ttf_image':
|
| 136 |
|
|
$captcha_width = 185;
|
| 137 |
|
|
$captcha_height = 80;
|
| 138 |
|
|
break;
|
| 139 |
|
|
case 'ttf_image':
|
| 140 |
|
|
$captcha_width = 185;
|
| 141 |
|
|
$captcha_height = 80;
|
| 142 |
|
|
break;
|
| 143 |
|
|
case 'old_image':
|
| 144 |
|
|
$captcha_width = 185;
|
| 145 |
|
|
$captcha_height = 70;
|
| 146 |
|
|
break;
|
| 147 |
|
|
default:
|
| 148 |
|
|
$captcha_width = 250;
|
| 149 |
|
|
$captcha_height = 100;
|
| 150 |
|
|
}
|
| 151 |
|
|
if($action=='all') {
|
| 152 |
|
|
switch(CAPTCHA_TYPE) {
|
| 153 |
|
|
case 'text': // text-captcha
|
| 154 |
|
|
?><div class="captcha_table" style="width: 100%; margin-top: 0.125em;" >
|
| 155 |
|
|
<div class="text_captcha" ><?php include(WB_PATH.'/include/captcha/captchas/'.CAPTCHA_TYPE.'.php'); ?></div>
|
| 156 |
|
|
<div style="width:50%"><input type="text" name="captcha" maxlength="50" /></div>
|
| 157 |
|
|
<div class="captcha_expl" ><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_QUEST']; ?></div>
|
| 158 |
|
|
</div><?php
|
| 159 |
|
|
break;
|
| 160 |
|
|
case 'calc_text': // calculation as text
|
| 161 |
|
|
?><div class="captcha_table" style="width:100%; margin-top: 0.125em;">
|
| 162 |
|
|
<div class="text_captcha" >
|
| 163 |
|
|
<?php include(WB_PATH.'/include/captcha/captchas/'.CAPTCHA_TYPE.'.php'); ?>
|
| 164 |
|
|
</div>
|
| 165 |
|
|
<div style="width:50%;"><input type="text" name="captcha" maxlength="10" /></div>
|
| 166 |
|
|
<div class="captcha_expl"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_RES']; ?></div>
|
| 167 |
|
|
</div><?php
|
| 168 |
|
|
break;
|
| 169 |
|
|
case 'calc_image': // calculation with image (old captcha)
|
| 170 |
|
|
case 'calc_ttf_image': // calculation with varying background and ttf-font
|
| 171 |
|
|
$sIframeUrl = WB_URL . '/include/captcha/captcha.php?display_captcha_X986E21=1&s='.$sec_id;
|
| 172 |
|
|
?><div class="captcha_table" style="width: 100%; margin-top: 0.125em; ">
|
| 173 |
|
|
<div class="image_captcha" style="width: 50%; max-width: <?php echo $captcha_width+20;?>px; ">
|
| 174 |
|
|
<iframe width="<?php echo $captcha_width; ?>" height="<?php echo $captcha_height;?>" name="captcha_iframe_<?php echo $sec_id;?>" src="<?php echo $sIframeUrl;?>">
|
| 175 |
|
|
</iframe>
|
| 176 |
|
|
</div>
|
| 177 |
|
|
<div style="width: 50%;"><input type="text" name="captcha" maxlength="10" />
|
| 178 |
|
|
<label class="captcha_expl" style="display: block;"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_RES']; ?></label></div>
|
| 179 |
|
|
</div><?php
|
| 180 |
|
|
break;
|
| 181 |
|
|
// normal images
|
| 182 |
|
|
case 'ttf_image': // captcha with varying background and ttf-font
|
| 183 |
|
|
case 'old_image': // old captcha
|
| 184 |
|
|
$sIframeUrl = WB_URL . '/include/captcha/captcha.php?display_captcha_X986E21=1&s='.$sec_id;
|
| 185 |
|
|
?><div class="captcha_table" style="width: 100%; margin-top: 0.125em;">
|
| 186 |
|
|
<div class="image_captcha" style="width: 50%; max-width: <?php echo $captcha_width+20;?>px; ">
|
| 187 |
|
|
<iframe width="<?php echo $captcha_width; ?>" height="<?php echo $captcha_height;?>" name="captcha_iframe_<?php echo $sec_id;?>" src="<?php echo $sIframeUrl;?>">
|
| 188 |
|
|
</iframe>
|
| 189 |
|
|
</div>
|
| 190 |
|
|
<div style="width: 50%;"><input type="text" name="captcha" maxlength="10" />
|
| 191 |
|
|
<label class="captcha_expl" style="display: block;"><?php echo $MOD_CAPTCHA['VERIFICATION_INFO_TEXT']; ?></label></div>
|
| 192 |
|
|
</div><?php
|
| 193 |
|
|
break;
|
| 194 |
|
|
}
|
| 195 |
|
|
} elseif($action=='image') {
|
| 196 |
|
|
switch(CAPTCHA_TYPE) {
|
| 197 |
|
|
case 'text': // text-captcha
|
| 198 |
|
|
case 'calc_text': // calculation as text
|
| 199 |
|
|
echo ($style?"<span $style>":'');
|
| 200 |
|
|
include(WB_PATH.'/include/captcha/captchas/'.CAPTCHA_TYPE.'.php');
|
| 201 |
|
|
echo ($style?'</span>':'');
|
| 202 |
|
|
break;
|
| 203 |
|
|
case 'calc_image': // calculation with image (old captcha)
|
| 204 |
|
|
case 'calc_ttf_image': // calculation with varying background and ttf-font
|
| 205 |
|
|
case 'ttf_image': // captcha with varying background and ttf-font
|
| 206 |
|
|
case 'old_image': // old captcha
|
| 207 |
|
|
echo "<img $style src=\"".WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t&s=$sec_id\" />";
|
| 208 |
|
|
break;
|
| 209 |
|
|
}
|
| 210 |
|
|
} elseif($action=='image_iframe') {
|
| 211 |
|
|
switch(CAPTCHA_TYPE) {
|
| 212 |
|
|
case 'text': // text-captcha
|
| 213 |
|
|
echo ($style?"<span $style>":'');
|
| 214 |
|
|
include(WB_PATH.'/include/captcha/captchas/'.CAPTCHA_TYPE.'.php');
|
| 215 |
|
|
echo ($style?'</span>':'');
|
| 216 |
|
|
break;
|
| 217 |
|
|
case 'calc_text': // calculation as text
|
| 218 |
|
|
include(WB_PATH.'/include/captcha/captchas/'.CAPTCHA_TYPE.'.php');
|
| 219 |
|
|
break;
|
| 220 |
|
|
case 'calc_image': // calculation with image (old captcha)
|
| 221 |
|
|
case 'calc_ttf_image': // calculation with varying background and ttf-font
|
| 222 |
|
|
case 'ttf_image': // captcha with varying background and ttf-font
|
| 223 |
|
|
case 'old_image': // old captcha
|
| 224 |
|
|
?>
|
| 225 |
|
|
<?php echo "<iframe class=\"captcha_iframe\" width=\"$captcha_width\" height=\"$captcha_height\" scrolling=\"no\" marginheight=\"0\" marginwidth=\"0\" frameborder=\"0\" name=\"captcha_iframe_$sec_id\" src=\"". WB_URL ."/include/captcha/captcha.php?display_captcha_X986E21=1&s=$sec_id"; ?>">
|
| 226 |
|
|
<?php
|
| 227 |
|
|
echo "<img $style alt=\"Captcha\" src=\"".WB_URL.'/include/captcha/captchas/'.CAPTCHA_TYPE.".php?t=$t\" />";
|
| 228 |
|
|
?></iframe><?php
|
| 229 |
|
|
break;
|
| 230 |
|
|
}
|
| 231 |
|
|
} elseif($action=='input') {
|
| 232 |
|
|
switch(CAPTCHA_TYPE) {
|
| 233 |
|
|
case 'text': // text-captcha
|
| 234 |
|
|
echo '<input type="text" name="captcha" '.($style?$style:'style="width:150px;" maxlength="50"').' />';
|
| 235 |
|
|
break;
|
| 236 |
|
|
case 'calc_text': // calculation as text
|
| 237 |
|
|
case 'calc_image': // calculation with image (old captcha)
|
| 238 |
|
|
case 'calc_ttf_image': // calculation with varying background and ttf-font
|
| 239 |
|
|
echo '<input type="text" name="captcha" '.($style?$style:'style="width:20px;" maxlength="10"').' />';
|
| 240 |
|
|
break;
|
| 241 |
|
|
case 'ttf_image': // captcha with varying background and ttf-font
|
| 242 |
|
|
case 'old_image': // old captcha
|
| 243 |
|
|
echo '<input type="text" name="captcha" '.($style?$style:'style="width:50px;" maxlength="10"').' />';
|
| 244 |
|
|
break;
|
| 245 |
|
|
}
|
| 246 |
|
|
} elseif($action=='text') {
|
| 247 |
|
|
echo ($style?"<span $style>":'');
|
| 248 |
|
|
switch(CAPTCHA_TYPE) {
|
| 249 |
|
|
case 'text': // text-captcha
|
| 250 |
|
|
echo $MOD_CAPTCHA['VERIFICATION_INFO_QUEST'];
|
| 251 |
|
|
break;
|
| 252 |
|
|
case 'calc_text': // calculation as text
|
| 253 |
|
|
case 'calc_image': // calculation with image (old captcha)
|
| 254 |
|
|
case 'calc_ttf_image': // calculation with varying background and ttf-font
|
| 255 |
|
|
echo $MOD_CAPTCHA['VERIFICATION_INFO_RES'];
|
| 256 |
|
|
break;
|
| 257 |
|
|
case 'ttf_image': // captcha with varying background and ttf-font
|
| 258 |
|
|
case 'old_image': // old captcha
|
| 259 |
|
|
echo $MOD_CAPTCHA['VERIFICATION_INFO_TEXT'];
|
| 260 |
|
|
break;
|
| 261 |
|
|
}
|
| 262 |
|
|
echo ($style?'</span>':'');
|
| 263 |
|
|
}
|
| 264 |
|
|
}
|
| 265 |
|
|
}
|