class_ConfirmCodeVerifierFilter.php

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<?php
class ConfirmCodeVerifierFilter extends BaseFilter implements Filterable {
        protected function __construct () {
                // Call parent constructor
                parent::__construct(__CLASS__);
        }

        public final static function createConfirmCodeVerifierFilter () {
                // Get a new instance
                $filterInstance = new ConfirmCodeVerifierFilter();

                // Return the instance
                return $filterInstance;
        }

        public function execute (Requestable $requestInstance, Responseable $responseInstance) {
                // Get confirmation code from request
                $confirmCode = $requestInstance->getRequestElement('confirm');

                // Is this code set?
                if (is_null($confirmCode)) {
                        // Is not in request
                        $requestInstance->requestIsValid(false);

                        // Add a message to the response
                        $responseInstance->addFatalMessage('confirm_code_unset');

                        // Abort here
                        return false;
                } elseif (empty($confirmCode)) {
                        // Email is empty
                        $requestInstance->requestIsValid(false);

                        // Add a message to the response
                        $responseInstance->addFatalMessage('confirm_code_empty');

                        // Abort here
                        return false;
                }

                // Get a user instance from registry
                $userInstance = Registry::getRegistry()->getInstance('user');

                // Is the instance there?
                if (is_null($userInstance)) {
                        // Throw an exception here
                        throw new NullPointerException ($this, self::EXCEPTION_IS_NULL_POINTER);
                } // END - if

                // Get the confirm code from user for comparison
                $userCode = $userInstance->getField(UserDatabaseWrapper::DB_COLUMN_CONFIRM_HASH);

                // Do we have the same code or different?
                if ($userCode != $confirmCode) {
                        // Email is empty
                        $requestInstance->requestIsValid(false);

                        // Redirect to error page
                        $responseInstance->redirectToConfiguredUrl('confirm_code_invalid_url');

                        // Stop processing here
                        exit();
                } // END - if
        }
}

// [EOF]
?>