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SignatureValidator::passes()   A
last analyzed

↳ Parent: SignatureValidator

Complexity

Conditions 3
Paths 3

Size

Total Lines 9
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 6
dl 0
loc 9
rs 10
c 0
b 0
f 0
cc 3
nc 3
nop 0
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<?php
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namespace Endeavors\Components\Routing;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Carbon\Carbon;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Illuminate\Http\Request;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class SignatureValidator

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $request;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $keyResolver;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct(Request $request)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->request = $request;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function passes()

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $original = rtrim($this->request->url().'?'.http_build_query(

            


            
                                                                        
                            
            
                                    
            
            

                
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            Arr::except($this->request->query(), 'signature')

            


            
                                                                        
                            
            
                                    
            
            

                
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        ), '?');

            


            
                                                                        
                            
            
                                    
            
            

                
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        $expires = Arr::get($this->request->query(), 'expires');

            


            
                                                                        
                            
            
                                    
            
            

                
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        $signature = hash_hmac('sha256', $original, call_user_func($this->keyResolver));

            


            
                                                                        
                            
            
                                    
            
            

                
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        return  hash_equals($signature, $this->request->query('signature', '')) && !($expires && Carbon::now()->getTimestamp() > $expires);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function setKeyResolver(callable $keyResolver)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->keyResolver = $keyResolver;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}