1: <?php
 2: 
 3: /**
 4:  * @copyright Copyright (c) 2009-2022 ThemeCatcher (https://www.themecatcher.net)
 5:  */
 6: class Quform_Captcha
 7: {
 8:     /**
 9:      * @var Quform_Repository
10:      */
11:     protected $repository;
12: 
13:     /**
14:      * @var Quform_Form_Factory
15:      */
16:     protected $factory;
17: 
18:     /**
19:      * @param Quform_Repository $repository
20:      * @param Quform_Form_Factory $factory
21:      */
22:     public function __construct(Quform_Repository $repository, Quform_Form_Factory $factory)
23:     {
24:         $this->repository = $repository;
25:         $this->factory = $factory;
26:     }
27: 
28:     /**
29:      * Handle the Ajax request to regenerate the captcha image
30:      *
31:      * Sends the base64 encoded image data in JSON
32:      */
33:     public function regenerate()
34:     {
35:         $formId = (int) Quform::get($_GET, 'quform_form_id');
36:         $elementId = (int) Quform::get($_GET, 'quform_element_id');
37:         $uniqueId = Quform_Form::isValidUniqueId(Quform::get($_GET, 'quform_unique_id')) ? Quform::get($_GET, 'quform_unique_id') : null;
38: 
39:         if ( ! $formId || ! $elementId || ! $uniqueId) {
40:             wp_send_json(array('type' => 'error'));
41:         }
42: 
43:         $config = $this->repository->getConfig($formId);
44: 
45:         if ( ! is_array($config)) {
46:             wp_send_json(array('type' => 'error'));
47:         }
48: 
49:         $config['uniqueId'] = $uniqueId;
50: 
51:         $form = $this->factory->create($config);
52: 
53:         if ( ! ($form instanceof Quform_Form)) {
54:             wp_send_json(array('type' => 'error'));
55:         }
56: 
57:         $element = $form->getElementById($elementId);
58: 
59:         if ( ! $element instanceof Quform_Element_Captcha) {
60:             wp_send_json(array('type' => 'error'));
61:         }
62: 
63:         wp_send_json(array(
64:             'type' => 'success',
65:             'image' => $element->generateImageData()
66:         ));
67:     }
68: }
69: