AAAAacademiac/www/administrator/components/com_chronoforms/form_actions/load_captcha/load_captcha.php 0000604 00000012321 15137476710 0030600 0 ustar 00 home 'anti_spam', 'title' => 'Anti SPAM');
var $details = array('title' => 'Load Captcha', 'tooltip' => 'Renders the Captcha Image, you need a "CAPTCHA Input" as one of your form fields.');
function run($form, $actiondata){
$mainframe = JFactory::getApplication();
$uri = JFactory::getURI();
$params = new JParameter($actiondata->params);
$CF_PATH = $uri->root();
$uri = JFactory::getURI();
if($uri->isSSL()){
$CF_PATH = str_replace('http:', 'https:', $CF_PATH);
}
//check IE 5,6,7
$old_ie = false;
$ua = $_SERVER['HTTP_USER_AGENT'];
if(preg_match('/\bmsie [567]/i', $ua) && !preg_match('/\bopera/i', $ua)){
$old_ie = true;
}
if($old_ie || ((bool)$params->get('encoded_image', 0) === false)){
if((bool)$params->get('refresh_button', 0) === true){
$form->form_details->content = str_replace('{chronocaptcha_img}', ' .')
', $form->form_details->content);
}else{
$form->form_details->content = str_replace('{chronocaptcha_img}', ' ', $form->form_details->content);
}
}else{
ob_start();
$this->generate_encoded((int)$params->get('fonts', 0));
$imgbinary = ob_get_clean();
$form->form_details->content = str_replace('{chronocaptcha_img}', ' .')
', $form->form_details->content);
}
}
function generate_encoded($fonts = 0){
$mainframe = JFactory::getApplication('site');
$session = JFactory::getSession();
//generate code string
$alphanum = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789abcdefghijkmnpqrstuvwxyz";
$rand = substr(str_shuffle($alphanum), 0, 5);
$alphanum2 = "ABCDEFGHIJKLMNPQRSTUVWXYZ23456789abcdefghijkmnpqrstuvwxyz?><,.|\"'[{]}_=+*&^%$#@!~";
$rand2 = substr(str_shuffle($alphanum), 0, 7);
$session->set("chrono_verification", md5(strtolower($rand)), md5('chrono'));
//generate the image itself
if($fonts){
$font = dirname(__FILE__).'/default.ttf';
$image_size = imagettfbbox(20, 0, $font, 'X');
$image_size = 5*(abs($image_size[2] - $image_size[0])+7);
$im = imagecreatetruecolor($image_size, 40);
// Create some colors
$white = imagecolorallocate($im, 255, 255, 255);
$grey = imagecolorallocate($im, 128, 128, 128);
$greylight = imagecolorallocate($im, 199, 199, 199);
$black = imagecolorallocate($im, 0, 0, 0);
imagefilledrectangle($im, 0, 0, $image_size -1, 39, $white);
// The text to draw
$text = $rand;
// Replace path by your own font path
$font = dirname(__FILE__).'/default.ttf';
$chars = array();
$chars2 = array();
for ($i = 0; $i < strlen($text); $i++) { $chars[] = $text[$i]; }
for ($i = 0; $i < strlen($rand2); $i++) { $chars2[] = $rand2[$i]; }
//$chars = str_split($text);
//$chars2 = str_split($rand2);
// Add some shadow to the text
//imagettftext($im, 20, 0, 11, 21, $grey, $font, $text);
$size2 = 20;
$angle2 = 0;
$x2 = 10;
$y2 = 25;
$bbox2 = array();
$bbox2[0] = 0;
$bbox2[2] = 0;
foreach($chars2 as $char2){
$angle2 = rand(-20, 20);
$size2 = rand(15, 20);
$y2 = rand(0, 40);
imagettftext($im, $size2, $angle2, $x2, $y2, $greylight, $font, $char2);
$bbox2 = imagettfbbox($size2, $angle2, $font, $char2);
$x2 = $x2 + abs($bbox2[2] - $bbox2[0]) + 3;
}
$size = 20;
$angle = 0;
$x = 10;
$y = 25;
$bbox = array();
$bbox[0] = 0;
$bbox[2] = 0;
// Add the text
foreach($chars as $char){
$angle = rand(-20, 20);
//$size = rand(15, 20);
imagettftext($im, $size, $angle, $x, $y, $black, $font, $char);
$bbox = imagettfbbox($size, $angle, $font, $char);
$x = $x + abs($bbox[2] - $bbox[0]) + 3;
}
// Using imagepng() results in clearer text compared with imagejpeg()
imagepng($im);
imagedestroy($im);
}else{
$image = imagecreatefrompng(dirname(__FILE__).'/background.png');
$greylight = imagecolorallocate($image, 199, 199, 199);
$black = imagecolorallocate($image, 0, 0, 0);
imagestring ($image, 5, 8, 14, $rand2, $greylight);
imagestring ($image, 5, 5, 11, $rand, $black);
imagepng($image);
imagedestroy($image);
}
}
function load($clear){
if($clear){
$action_params = array(
'fonts' => 0,
'refresh_button' => 0,
'encoded_image' => 0
);
}
return array('action_params' => $action_params);
}
}
?>