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<?php |
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namespace Flipside; |
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/** |
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* FlipsideCAPTCHA class |
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* |
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* This file describes the FlipsideCAPTCHA class |
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* |
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* PHP version 5 and 7 |
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* |
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* @author Patrick Boyd / [email protected] |
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* @copyright Copyright (c) 2015, Austin Artistic Reconstruction |
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* @license http://www.apache.org/licenses/ Apache 2.0 License |
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*/ |
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/** |
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* Allow other classes to be loaded as needed |
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*/ |
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require_once('Autoload.php'); |
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/** |
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* A class to represent a Completely Automated Public Turing test to tell Computers and Humans Apart |
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*/ |
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class FlipsideCAPTCHA implements \JsonSerializable |
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{ |
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/** |
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* The ID of the CAPTCHA in the DB |
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*/ |
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public $random_id; |
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/** |
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* An array of all valid IDs in the DB |
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*/ |
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private $validIDs; |
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public $wwwUrl; |
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/** |
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* Get all valid CAPTCH IDs |
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* |
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* @return array An array of captch IDs |
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*/ |
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public static function getValidCaptchaIDs() |
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{ |
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$datatable = DataSetFactory::getDataTableByNames('profiles', 'captcha'); |
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$data = $datatable->read(false, array('id')); |
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$count = count($data); |
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for($i = 0; $i < $count; $i++) |
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{ |
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$data[$i] = $data[$i]['id']; |
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} |
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return $data; |
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} |
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/** |
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* Get an array of all CAPTCHAs |
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* |
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* @return array An array of captchas |
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*/ |
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public static function getAll() |
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{ |
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$res = array(); |
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$ids = self::getValidCaptchaIDs(); |
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$count = count($ids); |
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for($i = 0; $i < $count; $i++) |
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{ |
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$captcha = new FlipsideCAPTCHA(); |
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$captcha->random_id = $ids[$i]; |
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array_push($res, $captcha); |
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} |
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return $res; |
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} |
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public static function save_new_captcha($question, $hint, $answer) |
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{ |
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$dataset = DataSetFactory::getDataSetByName('profiles'); |
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$datatable = $dataset['captcha']; |
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return $datatable->create(array('question'=>$question, 'hint'=>$hint, 'answer'=>$answer)); |
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} |
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public function __construct() |
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{ |
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$this->validIDs = FlipsideCAPTCHA::getValidCaptchaIDs(); |
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$this->random_id = mt_rand(0, count($this->validIDs) - 1); |
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$this->random_id = $this->validIDs[$this->random_id]; |
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$settings = Settings::getInstance(); |
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$this->wwwUrl = $settings->getGlobalSetting('www_url', 'https://www.burningflipside.com'); |
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} |
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protected function getCaptchField($fieldName) |
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{ |
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$dataset = DataSetFactory::getDataSetByName('profiles'); |
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$datatable = $dataset['captcha']; |
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$data = $datatable->read(new \Flipside\Data\Filter('id eq '.$this->random_id), array($fieldName)); |
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if(empty($data)) |
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{ |
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return false; |
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} |
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return $data[0][$fieldName]; |
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} |
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public function get_question() |
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{ |
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return $this->getCaptchField('question'); |
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} |
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public function get_hint() |
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{ |
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return $this->getCaptchField('hint'); |
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} |
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private function get_answer() |
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{ |
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return $this->getCaptchField('answer'); |
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} |
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public function is_answer_right($answer) |
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{ |
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return strcasecmp($this->get_answer(), $answer) === 0; |
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} |
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public function draw_captcha($explination = true, $return = false, $ownForm = false) |
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{ |
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$string = ''; |
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if($ownForm) |
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{ |
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$string .= '<form id="flipcaptcha" name="flipcaptcha">'; |
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} |
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$string .= '<label for="captcha" class="col-sm-2 control-label">'.$this->get_question().'</label><div class="col-sm-10"><input class="form-control" type="text" id="captcha" name="captcha" placeholder="'.$this->get_hint().'" required/></div>'; |
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if($ownForm) |
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{ |
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$string .= '</form>'; |
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} |
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if($explination) |
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{ |
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$string .= '<div class="col-sm-10">The answer to this question may be found in the Burning Flipside Survival Guide. It may be found <a href="'.$this->wwwUrl.'/sg">here</a>.</div>'; |
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} |
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if(!$return) |
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{ |
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echo $string; |
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} |
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return $string; |
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} |
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public function self_json_encode() |
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{ |
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return json_encode($this->jsonSerialize()); |
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} |
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public function jsonSerialize() |
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{ |
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$res = array(); |
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$res['id'] = $this->random_id; |
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$res['question'] = $this->get_question(); |
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$res['hint'] = $this->get_hint(); |
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$res['answer'] = $this->get_answer(); |
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return $res; |
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} |
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} |
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/* vim: set tabstop=4 shiftwidth=4 expandtab: */ |
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