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OpenGraph::curl_get_contents()   A
last analyzed

↳ Parent: OpenGraph

Complexity

Conditions 1
Paths 1

Size

Total Lines 13
Code Lines 10

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 10
nc 1
nop 1
dl 0
loc 13
rs 9.9332
c 0
b 0
f 0
1 
<?php
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namespace shweshi\OpenGraph;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use DOMDocument;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class OpenGraph

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function fetch($url)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $html = $this->curl_get_contents($url);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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         * parsing starts here:.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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         */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $doc = new DOMDocument();

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        @$doc->loadHTML($html);

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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            Security
            Best Practice
    
    
    
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It seems like you do not handle an error condition for loadHTML(). This can introduce security issues, and is generally not recommended.
                                                                                                                                       (
                                     Ignorable by Annotation
                                )
                                

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

                                    

                                        

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        /** @scrutinizer ignore-unhandled */ @$doc->loadHTML($html);

                                        

                                                                            

                                

                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
If you suppress an error, we recommend checking for the error condition explicitly:


// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}





                        

                                                    

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        $tags = $doc->getElementsByTagName('meta');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $metadata = [];

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        foreach ($tags as $tag) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            if ($tag->hasAttribute('property') && strpos($tag->getAttribute('property'), 'og:') === 0) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                $key = strtr(substr($tag->getAttribute('property'), 3), '-', '_');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                $value = $tag->getAttribute('content');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            if (!empty($key)) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                $metadata[$key] = $value;

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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The variable $value does not seem to be defined for all execution paths leading up to this point.
                                                                                                

                    
                                                    

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            }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $metadata;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    protected function curl_get_contents($url)

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $curl = curl_init($url);

            


            
                                                                        
                            
            
                                    
            
            

                
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        curl_setopt($curl, CURLOPT_FAILONERROR, 1);

            


            
                                                                        
                            
            
                                    
            
            

                
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        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);

            


            
                                                                        
                            
            
                                    
            
            

                
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        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

            


            
                                                                        
                            
            
                                    
            
            

                
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        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);

            


            
                                                                        
                            
            
                                    
            
            

                
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        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);

            


            
                                                                        
                            
            
                                    
            
            

                
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        curl_setopt($curl, CURLOPT_TIMEOUT, 30);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $response = curl_exec($curl);

            


            
                                                                        
                            
            
                                    
            
            

                
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        curl_close($curl);

            


            
                                                                        
                            
            
                                    
            
            

                
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        return $response;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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