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by Andrea
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created

AssetExtension::assetExists()   A

↳ Parent: AssetExtension

Complexity

Conditions 3
Paths 3

Size

Total Lines 16
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 3.4746

Importance

Changes 0
Metric Value
cc 3
eloc 7
nc 3
nop 1
dl 0
loc 16
ccs 5
cts 8
cp 0.625
crap 3.4746
rs 10
c 0
b 0
f 0
1 
<?php
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namespace Cdf\BiCoreBundle\Twig\Extension;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Twig\Extension\AbstractExtension;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Twig\TwigFunction;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class AssetExtension extends AbstractExtension

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $projectpath;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct($projectpath)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->projectpath = $projectpath;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function getFunctions()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return [new TwigFunction('asset_exists', [$this, 'assetExists'], ['is_safe' => ['html']])];

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function assetExists($path)

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $publicRoot = realpath($this->projectpath.'/public/').DIRECTORY_SEPARATOR;

            


            
                                                                        
                            
            
                                    
            
            

                
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        $toCheck = $publicRoot.$path;

            


            
                                                                        
                            
            
                                    
            
            

                
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        // check if the file exists

            


            
                                                                        
                            
            
                                    
            
            

                
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        if (!is_file($toCheck)) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            return false;

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        // check if file is well contained in web/ directory (prevents ../ in paths)

            


            
                                                                        
                            
            
                                    
            
            

                
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        if (0 !== strncmp($publicRoot, $toCheck, strlen($publicRoot))) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            return false;

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        return true;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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