| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Azine\MailgunWebhooksBundle\Command; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Azine\MailgunWebhooksBundle\Entity\HetrixToolsBlacklistResponseNotification; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Azine\MailgunWebhooksBundle\Entity\MailgunEvent; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Azine\MailgunWebhooksBundle\Entity\Repositories\MailgunEventRepository; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Azine\MailgunWebhooksBundle\Services\AzineMailgunMailerService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Azine\MailgunWebhooksBundle\Services\HetrixtoolsService\AzineMailgunHetrixtoolsService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Azine\MailgunWebhooksBundle\Services\HetrixtoolsService\HetrixtoolsServiceResponse; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use Doctrine\Common\Persistence\ManagerRegistry; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use Symfony\Component\Console\Command\Command; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use Symfony\Component\Console\Input\InputArgument; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use Symfony\Component\Console\Input\InputInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use Symfony\Component\Console\Output\OutputInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use Symfony\Component\Process\Process; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * Checks if the last ip address from MailgunEvent entity is in blacklist. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | class CheckIpAddressIsBlacklistedCommand extends Command | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     const NO_VALID_RESPONSE_FROM_HETRIX = 'No valid response from Hetrixtools service, try later.'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     const BLACKLIST_REPORT_WAS_SENT = 'Blacklist report was sent.'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     const BLACKLIST_REPORT_IS_SAME_AS_PREVIOUS = 'Blacklist report contains the same info as the last report that was sent.'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     const IP_IS_NOT_BLACKLISTED = 'Ip is not blacklisted.'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     const STARTING_RETRY = 'Initiating retry of the checking command. Tries left: '; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * @var string|null The default command name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     protected static $defaultName = 'mailgun:check-ip-in-blacklist'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * @var ManagerRegistry | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     private $managerRegistry; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * @var AzineMailgunHetrixtoolsService | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     private $hetrixtoolsService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * @var AzineMailgunMailerService | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     private $azineMailgunService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     private $kernelEnvironment; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     private $muteDays; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * CheckIpAddressIsBlacklistedCommand constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @param ManagerRegistry                $managerRegistry | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * @param AzineMailgunHetrixtoolsService $hetrixtoolsService | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * @param AzineMailgunMailerService      $azineMailgunService | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      * @param $environment | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 7 |  |     public function __construct(ManagerRegistry $managerRegistry, AzineMailgunHetrixtoolsService $hetrixtoolsService, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |                                 AzineMailgunMailerService $azineMailgunService, $environment, $muteDays) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 7 |  |         $this->managerRegistry = $managerRegistry; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 7 |  |         $this->hetrixtoolsService = $hetrixtoolsService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 7 |  |         $this->azineMailgunService = $azineMailgunService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 | 7 |  |         $this->kernelEnvironment = $environment; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 7 |  |         $this->muteDays = $muteDays; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 7 |  |         parent::__construct(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 7 |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 79 | 7 |  |     protected function configure() | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  |         $this | 
            
                                                                        
                            
            
                                    
            
            
                | 82 | 7 |  |             ->setName(static::$defaultName) | 
            
                                                                        
                            
            
                                    
            
            
                | 83 | 7 |  |             ->setDescription('Checks if the last sending IP address from MailgunEvent entity is in blacklist') | 
            
                                                                        
                            
            
                                    
            
            
                | 84 | 7 |  |             ->addArgument('numberOfAttempts', | 
            
                                                                        
                            
            
                                    
            
            
                | 85 | 7 |  |                 InputArgument::OPTIONAL, | 
            
                                                                        
                            
            
                                    
            
            
                | 86 | 7 |  |                 'Number of retry attempts in case if there were no response from hetrixtools or the process of checking blacklist was still in progress'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 7 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 7 |  |     protected function execute(InputInterface $input, OutputInterface $output) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 | 7 |  |         $manager = $this->managerRegistry->getManager(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |         /** @var MailgunEventRepository $eventRepository */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 7 |  |         $eventRepository = $manager->getRepository(MailgunEvent::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 7 |  |         $ipAddressData = $eventRepository->getLastKnownSenderIpData(); | 
                            
                    |  |  |  | 
                                                                                        
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                | 95 | 7 |  |         $ipAddress = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 7 |  |         if (isset($ipAddressData['ip'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 | 7 |  |             $ipAddress = $ipAddressData['ip']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 7 |  |             $sendDateTime = new \DateTime(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 7 |  |             $sendDateTime->setTimestamp($ipAddressData['timestamp']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 7 |  |         $numberOfAttempts = $input->getArgument('numberOfAttempts'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 7 |  |             $response = $this->hetrixtoolsService->checkIpAddressInBlacklist($ipAddress); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 | 1 |  |         } catch (\InvalidArgumentException $ex) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 1 |  |             $output->write(self::NO_VALID_RESPONSE_FROM_HETRIX); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 | 1 |  |             if (null != $numberOfAttempts && $numberOfAttempts > 0) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 110 |  |  |                 $output->write(self::STARTING_RETRY.$numberOfAttempts); | 
                            
                    |  |  |  | 
                                                                                        
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                | 111 |  |  |                 $this->retry($numberOfAttempts); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 | 1 |  |             return -1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 | 6 |  |         if (HetrixtoolsServiceResponse::RESPONSE_STATUS_SUCCESS == $response->status) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 | 6 |  |             if (0 == $response->blacklisted_count) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 1 |  |                 $output->write(self::IP_IS_NOT_BLACKLISTED." ($ipAddress)"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 | 5 |  |             } elseif ($this->muteNotification($response)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 1 |  |                 $output->write(self::BLACKLIST_REPORT_IS_SAME_AS_PREVIOUS." ($ipAddress)"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |                 try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 4 |  |                     $messagesSent = $this->azineMailgunService->sendBlacklistNotification($response, $ipAddress, $sendDateTime); | 
                            
                    |  |  |  | 
                                                                                        
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                | 125 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 4 |  |                     if ($messagesSent > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 4 |  |                         $output->write(self::BLACKLIST_REPORT_WAS_SENT." ($ipAddress)"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 4 |  |                     if ($this->muteDays > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 3 |  |                         $blacklistResponseNotification = new HetrixToolsBlacklistResponseNotification(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 3 |  |                         $blacklistResponseNotification->setData($response); | 
                            
                    |  |  |  | 
                                                                                        
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                | 132 | 3 |  |                         $blacklistResponseNotification->setIp($ipAddress); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 3 |  |                         $blacklistResponseNotification->setDate($sendDateTime); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 3 |  |                         $blacklistResponseNotification->setIgnoreUntil(new \DateTime('+'.$this->muteDays.' days')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 | 3 |  |                         $manager = $this->managerRegistry->getManager(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 3 |  |                         $manager->persist($blacklistResponseNotification); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 1 |  |                         $manager->flush(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 | 3 |  |                 } catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 | 6 |  |                     $output->write($e->getMessage(), true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |         } elseif (HetrixtoolsServiceResponse::RESPONSE_STATUS_ERROR == $response->status) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |             $output->write($response->error_message); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |             if (null != $numberOfAttempts && $numberOfAttempts > 0 && HetrixtoolsServiceResponse::BLACKLIST_CHECK_IN_PROGRESS == $response->error_message) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 147 |  |  |                 $output->write(self::STARTING_RETRY.$numberOfAttempts); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |                 $this->retry($numberOfAttempts); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |             return -1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 | 6 |  |         return 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |     private function retry($numberOfAttempts) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         --$numberOfAttempts; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |         $cmd = sprintf( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |             '%s/console %s %s --env=%s', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |             static::$defaultName, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |             $numberOfAttempts, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |             $this->kernelEnvironment | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |         $process = new Process($cmd); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |         $process->start(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 | 5 |  |     private function muteNotification($response) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 | 5 |  |         if (0 == $this->muteDays) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |             // don't mute if feature is disabled | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 | 1 |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 | 4 |  |         $ip = substr($response->links['api_report_link'], strrpos($response->links['api_report_link'], '/', -3) + 1, -1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 | 4 |  |         $responseRepository = $this->managerRegistry->getManager()->getRepository(HetrixToolsBlacklistResponseNotification::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |         /** @var HetrixToolsBlacklistResponseNotification $lastNotifiedResponse */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 | 4 |  |         $lastNotifiedResponses = $responseRepository->findBy(array('ip' => $ip), array('ignoreUntil' => 'desc')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 | 4 |  |         if (0 == sizeof($lastNotifiedResponses)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |             // don't mute if this is the first check for this ip | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 | 1 |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 | 3 |  |         if ($lastNotifiedResponses[0]->getIgnoreUntil() < new \DateTime()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |             // don't mute if the last notification it too long ago | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 | 1 |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 | 2 |  |         $newBlackLists = $response->blacklisted_on; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 | 2 |  |         $oldBlacklists = $lastNotifiedResponses[0]->getData()['blacklisted_on']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 | 2 |  |         $blacklistsUnchanged = is_array($newBlackLists) && is_array($oldBlacklists) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 | 2 |  |             && count($newBlackLists) == count($oldBlacklists) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 | 2 |  |             && $newBlackLists == $oldBlacklists; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 | 2 |  |         return $blacklistsUnchanged; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 203 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 204 |  |  |  | 
            
                        
This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.