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www/wp-contentOLD/plugins/contact-form-maker/admin/views/FMViewFormcontactwdmathcaptcha.php 0000604 00000012664 15244160402 0031245 0 ustar 00 home/chryzalihi <?php
class FMViewFormcontactwdmathcaptcha {
////////////////////////////////////////////////////////////////////////////////////////
// Events //
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
// Constants //
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
// Variables //
////////////////////////////////////////////////////////////////////////////////////////
private $model;
////////////////////////////////////////////////////////////////////////////////////////
// Constructor & Destructor //
////////////////////////////////////////////////////////////////////////////////////////
public function __construct($model) {
$this->model = $model;
}
////////////////////////////////////////////////////////////////////////////////////////
// Public Methods //
////////////////////////////////////////////////////////////////////////////////////////
public function display() {
if (isset($_GET['action']) && esc_html($_GET['action']) == 'formcontactwdmathcaptcha') {
$i = (isset($_GET["i"]) ? esc_html($_GET["i"]) : '');
$r2 = (isset($_GET["r2"]) ? (int) $_GET["r2"] : 0);
$rrr = (isset($_GET["rrr"]) ? (int) $_GET["rrr"] : 0);
$randNum = 0 + $r2 + $rrr;
$operations_count = ((isset($_GET["operations_count"]) && (int)$_GET["operations_count"]) ? ((int)$_GET["operations_count"] > 5 ? 5 : (int)$_GET["operations_count"]) : 1);
$operations = (isset($_GET["operations"]) ? str_replace('@', '+', $_GET["operations"]) : '+,-');
$operations = preg_replace('/\s+/', '', $operations);
$cap_width = 2*($operations_count+1) * 20 + 10;
$cap_height = 26;
$cap_quality = 100;
$code = $this->code_generic($operations_count, $operations);
if (session_id() == '' || (function_exists('session_status') && (session_status() == PHP_SESSION_NONE))) {
@session_start();
}
$_SESSION[$i . '_wd_arithmetic_captcha_code'] = md5($code[1]);
$canvas = imagecreatetruecolor($cap_width, $cap_height);
$c = imagecolorallocate($canvas, rand(150, 255), rand(150, 255), rand(150, 255));
imagefilledrectangle($canvas, 0, 0, $cap_width, $cap_height, $c);
$code = $code[0];
$count = strlen($code);
$color_text = imagecolorallocate($canvas, 0, 0, 0);
for ($it = 0; $it < $count; $it++) {
$letter = $code[$it];
imagestring($canvas, 6, (10 * $it + 10), $cap_height / 4, $letter, $color_text);
}
for ($c = 0; $c < 150; $c++) {
$x = rand(0, $cap_width - 1);
$y = rand(0, 29);
$col = '0x' . rand(0, 9) . '0' . rand(0, 9) . '0' . rand(0, 9) . '0';
imagesetpixel($canvas, $x, $y, $col);
}
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Cache-Control: post-check=0, pre-check=0', FALSE);
header('Pragma: no-cache');
header('Content-Type: image/jpeg');
imagejpeg($canvas, NULL, $cap_quality);
}
die('');
}
private function code_generic($_length, $_operations) {
$cap = '';
$dig = array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
$valid_oprations = array('+', '-', '*', '/');
$operations_array = array_filter(explode(',', $_operations));
foreach($operations_array as $key => $operation) {
if(!in_array($operation, $valid_oprations))
unset($operations_array[$key]);
}
for($k=0; $k <= $_length; $k++) {
if(substr($cap, -1) == '/' ) {
$operations_array = array_diff($operations_array, array('/'));
$num_divisors = $this->arrayOfNumberDivisors(substr($cap, -2, 1));
$cap .= $num_divisors[array_rand($num_divisors)];
}
else
$cap .= $dig[array_rand($dig)];
if($k != $_length)
$cap .= $operations_array[array_rand($operations_array)];
}
$pass = eval('return '.$cap.';');
if($pass < 0)
return $this->code_generic($_length, $_operations);
$cap .= '=';
$cap = implode(' ',str_split($cap));
return array($cap, $pass);
}
public function arrayOfNumberDivisors($x) {
$divisors = array ();
if($x == 0)
$divisors[] = rand(1, 9);
for($i = 1; $i <= $x; $i ++) {
if ($x % $i == 0) {
$divisors [] = $i;
}
}
return $divisors;
}
////////////////////////////////////////////////////////////////////////////////////////
// Getters & Setters //
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
// Private Methods //
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
// Listeners //
////////////////////////////////////////////////////////////////////////////////////////
}