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Push — typo3-10-compatibility ( 43fd28...634dd5 )
by Torben
42:08
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MiscUtility::getSpamCheckChallenge()   A

↳ Parent: MiscUtility

Complexity

Conditions 1
Paths 1

Size

Total Lines 9

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 9
rs 9.9666
c 0
b 0
f 0
cc 1
nc 1
nop 1
1 
<?php
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declare(strict_types=1);
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namespace DERHANSEN\SfEventMgt\Utility;
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/*

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * This file is part of the Extension "sf_event_mgt" for TYPO3 CMS.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * For the full copyright and license information, please read the

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * LICENSE.txt file that was distributed with this source code.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use TYPO3\CMS\Core\Utility\GeneralUtility;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Class MiscUtility

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class MiscUtility

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * Returns chars extracted from a hmac for the challenge/response spam check

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param int $eventUid

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return string

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                        
            
                                    
            
            

                
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    public static function getSpamCheckChallenge(int $eventUid): string

            


            
                                                        
            
                                    
            
            

                
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    {

            


            
                                                        
            
                                    
            
            

                
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        $hmac = GeneralUtility::hmac('event-' . $eventUid, 'sf_event_mgt');

            


            
                                                        
            
                                    
            
            

                
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        $chars = preg_replace('/[0-9]+/', '', $hmac);

            


            
                                                        
            
                                    
            
            

                
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        return preg_replace_callback('/\w.?/', function ($m) {

            


            
                                                        
            
                                    
            
            

                
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            return ucfirst($m[0]);

            


            
                                                        
            
                                    
            
            

                
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        }, $chars);

            


            
                                                        
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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