public static function create($phrase = null)
{
$builder = new CaptchaBuilder();
if ($phrase) {
$builder->setPhrase($phrase);
}
$builder->build();
Session::put(static::$config['session'], Hash::make(Str::lower($builder->getPhrase())));
return Response::make($builder->get())->header('Content-type', 'image/jpeg');
}
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, $errors);
}
/**
* Sets the phrase to the builder
*/
public function setPhrase($phrase)
{
$this->builder->setPhrase($phrase);
}
/**
* 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;
}
/**
* 生成登录页面的图形验证码
*
* @author young
* @name 生成登录页面的图形验证码
* @version 2013.11.07 young
* @return \Zend\Stdlib\ResponseInterface
*/
public function captchaAction()
{
$builder = new CaptchaBuilder();
$builder->setBackgroundColor(255, 255, 255);
$builder->setTextColor(255, 0, 255);
$builder->setPhrase(rand(100000, 999999));
$_SESSION['phrase'] = $builder->getPhrase();
$builder->build(150, 40);
header('Content-type: image/jpeg');
$this->response->setContent($builder->output(80));
return $this->response;
}
