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<?php
/**
* HTMLFormField for inserting Captchas into a form.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @class
*/
class HTMLCaptchaField extends HTMLFormField {
/**
* @var Captcha
*/
private $captcha;
public $prefix = '';
/**
* @var Bool|Array
*/
private $validationResult;
public function __construct( $params ) {
parent::__construct( $params );
// For differentiating the type of form, mainly
if ( isset( $params['prefix'] ) ) {
$this->prefix = $params['prefix'];
}
}
/**
* Get the captcha body. Don't include any of the surrounding table cells/rows
*
* @param $value String
* @return String
*/
public function getInputHTML( $value ) {
# TODO
}
public function validate( $data, $alldata ) {
// We sent back the exists status of the captcha before. If it *doesn't* exist
// we actually want to validate this as true, because we don't want an angry red
// error message, just for the user to put the captcha in again
if ( $data === false ) {
return true;
}
}
/**
* @param $request WebRequest
* @return void
*/
public function loadDataFromRequest( $request ) {
$this->captcha = Captcha::factory();
$this->captcha->loadFromRequest( $request, $this );
if ( !$this->captcha->exists() ) {
// The captcha doesn't exist; probably because it's already been used and
// then deleted for security. Load the field up with a new captcha which
// will be shown to the user when the validation of said new object fails
$this->captcha = Captcha::newRandom();
}
// This will be useful as the difference between "the captcha doesn't exist" and
// "you answered the captcha wrongly"
return $this->captcha->exists();
}
}
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