View GitHub Repository xsdTypes

Schedule Inspection
Subscribe

UriValidator::checkHexDigits()   A
last analyzed

↳ Parent: UriValidator

Complexity

Conditions 4
Paths 3

Size

Total Lines 11
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
c 0
b 0
f 0
dl 0
loc 11
rs 9.2
cc 4
eloc 7
nc 3
nop 1
1 
<?php
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    3
                

                                    
                                                    
                
                
                
namespace AlgoWeb\xsdTypes\AxillaryClasses;

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    4
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    5
                

                                    
                                                    
                
                
                
class UriValidator

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    6
                

                                    
                                                    
                
                
                
{

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    7
                

                                    
                                                    
                
                
                
    const URI_REGEXP = '/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#?(.*))?/';

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    8
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    9
                

                                    
                                                    
                
                
                
    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    10
                

                                    
                                                    
                
                
                
     * Validate a URI according to RFC 3986 (+errata)

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    11
                

                                    
                                                    
                
                
                
     * (See: http://www.rfc-editor.org/errata_search.php?rfc=3986).

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    12
                

                                    
                                                    
                
                
                
     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    13
                

                                    
                                                    
                
                
                
     * @param string $uri the URI to validate

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    14
                

                                    
                                                    
                
                
                
     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    15
                

                                    
                                                    
                
                
                
     * @return bool TRUE when the URI is valid, FALSE when invalid

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    16
                

                                    
                                                    
                
                
                
     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    17
                

                                    
                                                    
                
                
                
    public static function validate($uri)

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    18
                

                                    
                                                    
                
                
                
    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    19
                

                                    
                                                    
                
                
                
        if (substr_count($uri, '#') > 1 || !self::checkHexDigits($uri)) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    20
                

                                    
                                                    
                
                
                
            return false;

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    21
                

                                    
                                                    
                
                
                
        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    22
                

                                    
                                                    
                
                
                
        if (filter_var($uri, FILTER_VALIDATE_URL) !== false) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    23
                

                                    
                                                    
                
                
                
            return true;

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    24
                

                                    
                                                    
                
                
                
        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    25
                

                                    
                                                    
                
                
                
        return (bool)preg_match(self::URI_REGEXP, $uri);

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    26
                

                                    
                                                    
                
                
                
    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
                    27
                

                                    
                                                    
                
                
                

            


            
                                                        
            
                                    
            
            

                
                    28
                

                                    
                                                    
                
                
                
    private static function checkHexDigits($uri)

            


            
                                                        
            
                                    
            
            

                
                    29
                

                                    
                                                    
                
                
                
    {

            


            
                                                        
            
                                    
            
            

                
                    30
                

                                    
                                                    
                
                
                
        $lastPos = 0;

            


            
                                                        
            
                                    
            
            

                
                    31
                

                                    
                                                    
                
                
                
        while (($lastPos = strpos($uri, '%', $lastPos)) !== false) {

            


            
                                                        
            
                                    
            
            

                
                    32
                

                                    
                                                    
                
                
                
            if (!(ctype_xdigit($uri[$lastPos + 1]) && ctype_xdigit($uri[$lastPos + 2]))) {

            


            
                                                        
            
                                    
            
            

                
                    33
                

                                    
                                                    
                
                
                
                return false;

            


            
                                                        
            
                                    
            
            

                
                    34
                

                                    
                                                    
                
                
                
            }

            


            
                                                        
            
                                    
            
            

                
                    35
                

                                    
                                                    
                
                
                
            $lastPos = $lastPos + strlen('%');

            


            
                                                        
            
                                    
            
            

                
                    36
                

                                    
                                                    
                
                
                
        }

            


            
                                                        
            
                                    
            
            

                
                    37
                

                                    
                                                    
                
                
                
        return true;

            


            
                                                        
            
                                    
            
            

                
                    38
                

                                    
                                                    
                
                
                
    }

            


            
                                                        
            
                                    
            
            

                
                    39
                

                                    
                                                    
                
                
                
}

            


            
                                                        
            
                                    
            
            

                
                    40