Add captcheck captcha option

admin/admin_settings.php

@@ -1439,6 +1439,7 @@ $modsForHesk_settings = mfh_getSettings();
 
                             $on = '';
                             $on2 = '';
+                            $on3 = '';
                             $off = '';
                             $div = 'block';
 
@@ -1446,6 +1447,9 @@ $modsForHesk_settings = mfh_getSettings();
                                 $on = 'checked="checked"';
                             } elseif ($hesk_settings['recaptcha_use'] == 2) {
                                 $on2 = 'checked="checked"';
+                            } elseif ($hesk_settings['recaptcha_use'] == 3) {
+                                $on3 = 'checked="checked"';
+                                $div = 'none';
                             } else {
                                 $off = 'checked="checked"';
                                 $div = 'none';
@@ -1471,6 +1475,12 @@ $modsForHesk_settings = mfh_getSettings();
                                         class="fa fa-question-circle settingsquestionmark"></i></a></div>
                             <br/>
 
+                            <div class="radio"><label><input type="radio" name="s_recaptcha_use" value="3"
+                                                             onclick="javascript:hesk_toggleLayer('recaptcha','none')" <?php echo $on3; ?> /> <?php echo $hesklang['sir3']; ?>
+                                </label>
+                            </div>
+                            <br/>
+
                             <div id="recaptcha" style="display: <?php echo $div; ?>;">
 
                                 &nbsp;<br/>

admin/admin_settings_save.php

@@ -140,7 +140,7 @@ $set['secimg_sum'] = '';
 for ($i = 1; $i <= 10; $i++) {
     $set['secimg_sum'] .= substr('AEUYBDGHJLMNPQRSTVWXZ123456789', rand(0, 29), 1);
 }
-$set['recaptcha_use'] = hesk_checkMinMax(intval(hesk_POST('s_recaptcha_use')), 0, 2, 0);
+$set['recaptcha_use'] = hesk_checkMinMax(intval(hesk_POST('s_recaptcha_use')), 0, 3, 0);
 $set['recaptcha_public_key'] = hesk_input(hesk_POST('s_recaptcha_public_key'));
 $set['recaptcha_private_key'] = hesk_input(hesk_POST('s_recaptcha_private_key'));
 $set['question_use'] = empty($_POST['s_question_use']) ? 0 : 1;

inc/header.inc.php

@@ -221,6 +221,10 @@ if (is_dir(HESK_PATH . 'install')) {
         echo '<script src="https://www.google.com/recaptcha/api.js?hl=' . $hesklang['RECAPTCHA'] . '" async defer></script>';
     }
 
+    if (defined('CAPTCHECK')) {
+        echo '<script src="https://captcheck.netsyms.com/captcheck.js" async defer></script>';
+    }
+
     if (defined('VALIDATOR')) {
         ?>
         <script type="text/javascript" src="<?php echo HESK_PATH; ?>js/validation-scripts.js"></script>

index.php

@@ -216,6 +216,8 @@ function print_add_ticket()
     // Tell header to load reCaptcha API if needed
     if ($hesk_settings['recaptcha_use'] == 2) {
         define('RECAPTCHA', 1);
+    } else if ($hesk_settings['recaptcha_use'] == 3) {
+        define('CAPTCHECK', 1);
     }
 
     // Get categories
@@ -1058,6 +1060,15 @@ function print_add_ticket()
                         </div>
                         <?php
                     }
+                    elseif ($hesk_settings['recaptcha_use'] == 3)
+                    {
+                    ?>
+                        <div class="col-md-9">
+                            <div class="captcheck_container">
+                            </div>
+                        </div>
+                        <?php
+                    }
                     // At least use some basic PHP generated image (better than nothing)
                     else {
                         $cls = in_array('mysecnum', $_SESSION['iserror']) ? ' class="isError" ' : '';

language/en/text.php

@@ -1376,7 +1376,8 @@ $hesklang['nkba']='Knowledgebase search requires enough unique articles to work
 $hesklang['saa']='Sticky articles are displayed at the top of articles list';
 $hesklang['yhbr']='You have been locked out the system for %s minutes because of too many replies to a ticket.';
 $hesklang['sir']='ReCaptcha V1 API (old)';
-$hesklang['sir2']='ReCaptcha V2 API (recommended)';
+$hesklang['sir2']='ReCaptcha V2 API';
+$hesklang['sir3']='Captcheck';
 $hesklang['rcpb']='Site key (Public key)';
 $hesklang['rcpv']='Secret key (Private key)';
 

submit_ticket.php

@@ -114,6 +114,29 @@ if ($hesk_settings['secimg_use'] && !isset($_SESSION['img_verified'])) {
         } else {
             $hesk_error_buffer['mysecnum'] = $hesklang['recaptcha_error'];
         }
+    } // Using Netsyms Captcheck
+    elseif ($hesk_settings['recaptcha_use'] == 3) {
+        $url = 'https://captcheck.netsyms.com/api.php';
+        $data = [
+            'session_id' => $_POST['captcheck_session_code'],
+            'answer_id' => $_POST['captcheck_selected_answer'],
+            'action' => "verify"
+        ];
+        $options = [
+            'http' => [
+                'header' => "Content-type: application/x-www-form-urlencoded\r\n",
+                'method' => 'POST',
+                'content' => http_build_query($data)
+            ]
+        ];
+        $context = stream_context_create($options);
+        $result = file_get_contents($url, false, $context);
+        $resp = json_decode($result, TRUE);
+        if ($resp['result'] === true) {
+            $_SESSION['img_verified'] = true;
+        } else {
+            $hesk_error_buffer['mysecnum'] = $hesklang['recaptcha_error'];
+        }
     } // Using PHP generated image
     else {
         $mysecnum = intval(hesk_POST('mysecnum', 0));