/**
* @see \wcf\system\option\IOptionType::validate()
*/
public function validate(Option $option, $newValue)
{
if (!$newValue) {
return;
}
$selection = CaptchaHandler::getInstance()->getCaptchaSelection();
if (!isset($selection[$newValue])) {
throw new UserInputException($option->optionName);
}
}
/**
* @see \wcf\page\IPage::readData()
*/
public function readData()
{
if (!WCF::getUser()->userID && $this->useCaptcha && $this->captchaObjectTypeName) {
$this->captchaObjectType = CaptchaHandler::getInstance()->getObjectTypeByName($this->captchaObjectTypeName);
if ($this->captchaObjectType === null) {
throw new SystemException("Unknown captcha object type with name '" . $this->captchaObjectTypeName . "'");
}
if (!$this->captchaObjectType->getProcessor()->isAvailable()) {
$this->captchaObjectType = null;
}
}
parent::readData();
}
/**
* @see \wcf\page\IPage::readData()
*/
public function readData()
{
if ($this->useCaptcha && $this->captchaObjectTypeName) {
$this->captchaObjectType = CaptchaHandler::getInstance()->getObjectTypeByName($this->captchaObjectTypeName);
if ($this->captchaObjectType === null) {
throw new SystemException("Unknown captcha object type with id '" . $this->captchaObjectTypeName . "'");
}
if (!$this->captchaObjectType->getProcessor()->isAvailable()) {
$this->captchaObjectType = null;
}
if (WCF::getSession()->getVar('noRegistrationCaptcha')) {
$this->captchaObjectType = null;
}
}
parent::readData();
if (empty($_POST)) {
$this->languageID = WCF::getLanguage()->languageID;
if (WCF::getSession()->getVar('__username')) {
$this->username = WCF::getSession()->getVar('__username');
WCF::getSession()->unregister('__username');
}
if (WCF::getSession()->getVar('__email')) {
$this->email = $this->confirmEmail = WCF::getSession()->getVar('__email');
WCF::getSession()->unregister('__email');
}
WCF::getSession()->register('registrationStartTime', TIME_NOW);
// generate random field names
$this->randomFieldNames = array('username' => UserRegistrationUtil::getRandomFieldName('username'), 'email' => UserRegistrationUtil::getRandomFieldName('email'), 'confirmEmail' => UserRegistrationUtil::getRandomFieldName('confirmEmail'), 'password' => UserRegistrationUtil::getRandomFieldName('password'), 'confirmPassword' => UserRegistrationUtil::getRandomFieldName('confirmPassword'));
WCF::getSession()->register('registrationRandomFieldNames', $this->randomFieldNames);
}
}
/**
* Validates the captcha challenge.
*/
protected function validateCaptcha()
{
if (WCF::getUser()->userID) {
return;
}
if (CAPTCHA_TYPE) {
$this->captchaObjectType = CaptchaHandler::getInstance()->getObjectTypeByName(CAPTCHA_TYPE);
if ($this->captchaObjectType === null) {
throw new SystemException("Unknown captcha object type with name '" . CAPTCHA_TYPE . "'");
}
if (!$this->captchaObjectType->getProcessor()->isAvailable()) {
$this->captchaObjectType = null;
}
}
if ($this->captchaObjectType === null) {
return;
}
try {
$this->captchaObjectType->getProcessor()->readFormParameters();
$this->captchaObjectType->getProcessor()->validate();
} catch (UserInputException $e) {
$this->validationErrors = array_merge($this->validationErrors, array($e->getField() => $e->getType()));
}
}