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by Jelmer
01:55
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JsonRequestParserMiddleware::process()   A

↳ Parent: JsonRequestParserMiddleware

Complexity

Conditions 2
Paths 2

Size

Total Lines 6
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 2

Importance

Changes 2
Bugs 0 Features 0
Metric Value
cc 2
eloc 3
c 2
b 0
f 0
nc 2
nop 2
dl 0
loc 6
ccs 4
cts 4
cp 1
crap 2
rs 10
1 
<?php declare(strict_types = 1);
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namespace jschreuder\Middle\ServerMiddleware;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Psr\Http\Message\ResponseInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Psr\Http\Message\ServerRequestInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Psr\Http\Server\MiddlewareInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Psr\Http\Server\RequestHandlerInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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final class JsonRequestParserMiddleware implements MiddlewareInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /** @var  string[]  array of regexes to check against content-types */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private array $jsonContentTypes;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct(array $jsonContentTypes = null)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (is_null($jsonContentTypes)) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $jsonContentTypes = ['#^application\/json(;|$)#iD'];

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->jsonContentTypes = $jsonContentTypes;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function process(ServerRequestInterface $request, RequestHandlerInterface $requestHandler): ResponseInterface

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        if ($this->isJsonRequest($request->getHeaderLine('Content-Type'))) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $request = $request->withParsedBody($this->parseBody($request));

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        return $requestHandler->handle($request);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private function isJsonRequest(?string $requestContentType)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        foreach ($this->jsonContentTypes as $jsonContentType) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            if (preg_match($jsonContentType, $requestContentType) > 0) {

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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It seems like $requestContentType can also be of type null; however, parameter $subject of preg_match() does only seem to accept string, maybe add an additional type check?
                                                                                                                                                                                           (
                                     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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            if (preg_match($jsonContentType, /** @scrutinizer ignore-type */ $requestContentType) > 0) {

                                        

                                                                            

                                

                                                                                                                                                                                                                                                                                        

                    
                                                    

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                return true;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return false;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private function parseBody(ServerRequestInterface $request) : array

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $parsedBody = json_decode($request->getBody()->getContents(), true);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (json_last_error() !== JSON_ERROR_NONE) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            throw new \InvalidArgumentException('Could not decode JSON body: ' . json_last_error_msg());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $parsedBody;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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