public function check($name, $captcha)
{
$saved = session()->pull('image_captcha.' . $name);
if (empty($captcha) || empty($saved)) {
return false;
}
$builder = new CaptchaBuilder($saved);
return $builder->testPhrase($captcha);
}
/**
* Validate input phrase
*
* @access public
* @param array $userInput User input phrase
* @return string
*/
public function validate($userInput)
{
// Validate time
if (!$this->isAlive()) {
// Regenerate builder
$this->regenerate();
return false;
}
// Validate using builder
return $this->builder->testPhrase($userInput);
}
public function captcha(Model $Model, $check)
{
$value = array_values($check);
$value = $value[0];
$field = key($check);
if (CakeSession::check('captcha')) {
$builder = new CaptchaBuilder();
$builder->setPhrase(CakeSession::read('captcha'));
if ($builder->testPhrase($value)) {
return true;
}
}
return false;
}
/**
* Validate captcha
*
* @access protected
* @param array $values Form values
* @return boolean
*/
protected function validateCaptcha(array $values)
{
$errors = array();
if (!isset($this->sessionStorage->captcha)) {
$result = false;
} else {
$builder = new CaptchaBuilder();
$builder->setPhrase($this->sessionStorage->captcha);
$result = $builder->testPhrase(isset($values['captcha']) ? $values['captcha'] : '');
if (!$result) {
$errors['captcha'] = array(t('Invalid captcha'));
}
}
return array($result, $errors);
}
/**
* Test if a given phrase is valid (ie: same as in session).
* If yes, return true.
* If not, revoke the captcha and return false.
*/
public function isValid($phrase)
{
if (!is_string($phrase)) {
return false;
}
if (!$this->session->has($this->sessionKey)) {
return false;
}
$captcha = $this->session->get($this->sessionKey);
if (!isset($captcha['phrase'])) {
return false;
}
$builder = new CaptchaBuilder($captcha['phrase']);
if (!$builder->testPhrase($phrase)) {
$this->revoke();
return false;
}
return true;
}
/**
* Validate captcha
*
* @access protected
* @param array $values Form values
* @return boolean
*/
protected function validateCaptcha(array $values)
{
$result = true;
$errors = array();
if ($this->userLockingModel->hasCaptcha($values['username'])) {
if (!isset($this->sessionStorage->captcha)) {
$result = false;
} else {
$builder = new CaptchaBuilder();
$builder->setPhrase($this->sessionStorage->captcha);
$result = $builder->testPhrase(isset($values['captcha']) ? $values['captcha'] : '');
if (!$result) {
$errors['login'] = t('Invalid captcha');
}
}
}
return array($result, $errors);
}
/**
* Validate captcha
*
* @access public
* @param array $values Form values
* @return boolean
*/
public function validateFormCaptcha(array $values)
{
if ($this->hasCaptcha($values['username'])) {
$builder = new CaptchaBuilder();
$builder->setPhrase($this->session['captcha']);
return $builder->testPhrase(isset($values['captcha']) ? $values['captcha'] : '');
}
return true;
}
public function captchaAction()
{
$builder = new CaptchaBuilder();
$builder->build();
if ($builder->testPhrase($userInput)) {
// instructions if user phrase is good
} else {
// user phrase is wrong
}
header('Content-type: image/jpeg');
$builder->output();
}
public function captcha()
{
$builder = new CaptchaBuilder();
$builder->build();
Session::set('captcha', $builder->getPhrase());
if ($builder->testPhrase(Session::get('captcha'))) {
// instructions if user phrase is good
} else {
// user phrase is wrong
}
header('Content-type: image/jpeg');
$builder->output();
}
