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Varnish::getHosts()   A
last analyzed

↳ Parent: Varnish

Complexity

Conditions 2
Paths 2

Size

Total Lines 9
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 2
eloc 4
nc 2
nop 1
dl 0
loc 9
rs 10
c 0
b 0
f 0
1 
<?php
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namespace Spatie\Varnish;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Symfony\Component\Process\Exception\ProcessFailedException;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Symfony\Component\Process\Process;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class Varnish

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string|array $host

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string $url

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return \Symfony\Component\Process\Process

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function flush($host = null, string $url = null): Process

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $host = $this->getHosts($host);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $command = $this->generateBanCommand($host, $url);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->executeCommand($command);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param array|string $host

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return array

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    protected function getHosts($host = null): array

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $host = $host ?? config('varnish.host');

            


            
                                                                        
                            
            
                                    
            
            

                
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        if (! is_array($host)) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $host = [$host];

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        return $host;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param array $hosts

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string $url

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function generateBanCommand(array $hosts, string $url = null): string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $hostsRegex = collect($hosts)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            ->map(function (string $host) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                return "(^{$host}$)";

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            })

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            ->implode('|');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $config = config('varnish');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $urlRegex = '';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (! empty($url)) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $urlRegex = " && req.url ~ {$url}";

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return "sudo varnishadm -S {$config['administrative_secret']} -T 127.0.0.1:{$config['administrative_port']} 'ban req.http.host ~ {$hostsRegex}{$urlRegex}'";

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected function executeCommand(string $command): Process

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $process = new Process($command);

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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$command of type string is incompatible with the type array expected by parameter $command of Symfony\Component\Process\Process::__construct().
                                                                                                                                                                                           (
                                     Ignorable by Annotation
                                )
                                

                                    
 If this is a false-positive, you can also ignore this issue in your code via the ignore-type   annotation

                                    

                                        

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        $process = new Process(/** @scrutinizer ignore-type */ $command);

                                        

                                                                            

                                

                                                                                                                                                                                                                                                                                        

                    
                                                    

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        $process->run();

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (! $process->isSuccessful()) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            throw new ProcessFailedException($process);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $process;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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