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ChallengeResponseSpamCheck::isFailed()   A
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↳ Parent: ChallengeResponseSpamCheck

Complexity

Conditions 2
Paths 2

Size

Total Lines 14
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 2
eloc 8
nc 2
nop 0
dl 0
loc 14
rs 10
c 0
b 0
f 0
1 
<?php
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declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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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namespace DERHANSEN\SfEventMgt\SpamChecks;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use DERHANSEN\SfEventMgt\Utility\MiscUtility;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class ChallengeResponseSpamCheck extends AbstractSpamCheck

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * Checks, if the cr-response field matches the expected ROT13 encrypted/obfuscated string.

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function isFailed(): bool

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        if (!isset($this->arguments['registration']['cr-response'])) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            return true;

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        $challenge =  MiscUtility::getSpamCheckChallenge((int)$this->arguments['event']);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $originalChallenge = ($this->configuration['prefix'] ?? 'SfEventMgt') .

            


            
                                                                        
                            
            
                                    
            
            

                
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            $challenge . ($this->configuration['postfix'] ?? 'TYPO3');

            


            
                                                                        
                            
            
                                    
            
            

                
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        $expectedResponse = str_rot13($originalChallenge);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $response = $this->arguments['registration']['cr-response'] ?? '';

            


            
                                                                        
                            
            
                                    
            
            

                
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        return $expectedResponse !== $response;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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