public function process_generate_math_page()
{
$salt = get_site_option('jetpack_protect_key') . get_site_option('admin_email');
$ans = (int) $_POST['jetpack_protect_num'];
$salted_ans = sha1($salt . $ans);
$correct_ans = $_POST['jetpack_protect_answer'];
if ($salted_ans != $correct_ans) {
Jetpack_Protect_Math_Authenticate::generate_math_page(true);
} else {
$temp_pass = substr(sha1(rand(1, 100000000) . get_site_option('jetpack_protect_key')), 5, 25);
Jetpack_Protect_Module::set_transient('jpp_math_pass_' . $temp_pass, 3, DAY_IN_SECONDS);
setcookie('jpp_math_pass', $temp_pass, time() + DAY_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, false);
return true;
}
}
/**
* Checks for loginability BEFORE authentication so that bots don't get to go around the log in form.
*
* If we are using our math fallback, authenticate via math-fallback.php
*
* @param string $user
* @param string $username
* @param string $password
*
* @return string $user
*/
function check_preauth($user = '******', $username = '******', $password = '******')
{
$this->check_login_ability(true);
$use_math = $this->get_transient('brute_use_math');
if (1 == $use_math && isset($_POST['log'])) {
include_once dirname(__FILE__) . '/protect/math-fallback.php';
Jetpack_Protect_Math_Authenticate::math_authenticate();
}
return $user;
}
/**
* Checks for loginability BEFORE authentication so that bots don't get to go around the log in form.
*
* If we are using our math fallback, authenticate via math-fallback.php
*
* @param string $user
* @param string $username
* @param string $password
*
* @return string $user
*/
function check_preauth($user = '******', $username = '******', $password = '******')
{
$this->check_login_ability(true);
$use_math = $this->get_transient('brute_use_math');
if (1 == $use_math && isset($_POST['log'])) {
Jetpack_Protect_Math_Authenticate::math_authenticate();
}
return $user;
}
