/**
* Run action
*/
public function run()
{
if (!extension_loaded('mbstring')) {
throw new CHttpException(500, Yii::t('main', 'Missing extension "{ext}"', array('{ext}' => 'mbstring')));
}
// set font file with all extended UTF-8 characters
// Duality supplied with the framework does not support some extended characters like ščťžôäě...
$this->fontFile = dirname(__FILE__) . '/fonts/nimbus.ttf';
// set captcha mode
$this->mode = strtolower($this->mode);
// set image size
switch ($this->mode) {
case self::MODE_LOGICAL:
case self::MODE_WORDS:
$this->width = 300;
$this->height = 50;
break;
case self::MODE_MATHVERBAL:
$this->width = 400;
$this->height = 50;
break;
case self::MODE_MATH:
case self::MODE_DEFAULT:
default:
$this->width = 120;
$this->height = 50;
}
if ($this->mode == self::MODE_DEFAULT) {
// default framework implementation
parent::run();
} else {
// we hash result value rather than the displayed code
if (isset($_GET[self::REFRESH_GET_VAR])) {
$result = $this->getVerifyResult(true);
echo CJSON::encode(array('hash1' => $this->generateValidationHash($result), 'hash2' => $this->generateValidationHashCI($result), 'url' => $this->getController()->createUrl($this->getId(), array('v' => uniqid()))));
} else {
$this->renderImage($this->getVerifyCode());
}
}
Yii::app()->end();
}
