| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | namespace GoetasWebservices\XML\XSDReader\Utils; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | class UrlUtils | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |     * @param string $base | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |     * @param string $rel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |     * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |     * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |     */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 | 162 |  |     public static function resolveRelativeUrl($base, $rel) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 | 162 |  |         if (!$rel) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 | 6 |  |             return $base; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |         /* return if already absolute URL */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 | 159 |  |         if (parse_url($rel, PHP_URL_SCHEME) !== null || substr($rel, 0, 2) === '//') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 | 135 |  |             return $rel; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |         /* queries and anchors */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 | 27 |  |         if ($rel[0] === '#' || $rel[0] === '?') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 | 6 |  |             return $base.$rel; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 | 27 |  |         return static::resolveRelativeUrlAfterEarlyChecks($base, $rel); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     * @param string $base | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     * @param string $rel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 | 27 |  |     protected static function resolveRelativeUrlAfterEarlyChecks($base, $rel) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         /* fix url file for Windows */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 | 27 |  |         $base = preg_replace('#^file:\/\/([^/])#', 'file:///\1', $base); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |          * parse base URL and convert to local variables: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |          * $scheme, $host, $path | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |          */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 27 |  |         $parts = parse_url($base); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 | 27 |  |         return static::resolveRelativeUrlToAbsoluteUrl( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 27 |  |             $rel, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |             ( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 27 |  |                 $rel[0] === '/' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 17 |  |                     ? ''  // destroy path if relative url points to root | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 | 4 |  |                     : ( // remove non-directory element from path | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 21 |  |                         isset($parts['path']) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 | 21 |  |                             ? preg_replace('#/[^/]*$#', '', $parts["path"]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 25 |  |                             : '' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |                     ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 9 |  |             ), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 18 |  |             $parts | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 9 |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     * @param string $rel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     * @param string $path | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     * @return string | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 68 |  |  |     */ | 
            
                                                                        
                            
            
                                    
            
            
                | 69 | 27 |  |     protected static function resolveRelativeUrlToAbsoluteUrl( | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  |         $rel, | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  |         $path, | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  |         array $parts | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  |     ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 74 |  |  |         /* Build absolute URL */ | 
            
                                                                        
                            
            
                                    
            
            
                | 75 | 27 |  |         $abs = ''; | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 77 | 27 |  |         if (isset($parts["host"])) { | 
            
                                                                        
                            
            
                                    
            
            
                | 78 | 15 |  |             $abs .= $parts['host']; | 
            
                                                                        
                            
            
                                    
            
            
                | 79 | 5 |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 81 | 27 |  |         if (isset($parts["port"])) { | 
            
                                                                        
                            
            
                                    
            
            
                | 82 |  |  |             $abs .= ":".$parts["port"]; | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 85 | 27 |  |         $abs .= $path."/".$rel; | 
            
                                                                        
                            
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  |         /* | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  |         * replace superfluous slashes with a single slash. | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  |         * covers: | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  |         * // | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |         * /./ | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  |         * /foo/../ | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  |         */ | 
            
                                                                        
                            
            
                                    
            
            
                | 94 | 27 |  |         $n = 1; | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  |         do { | 
            
                                                                        
                            
            
                                    
            
            
                | 96 | 27 |  |             $abs = preg_replace( | 
            
                                                                        
                            
            
                                    
            
            
                | 97 | 27 |  |                 '#(?:(?:/\.?/)|(?!\.\.)[^/]+/\.\./)#', | 
            
                                                                        
                            
            
                                    
            
            
                | 98 | 27 |  |                 '/', | 
            
                                                                        
                            
            
                                    
            
            
                | 99 | 27 |  |                 $abs, | 
            
                                                                        
                            
            
                                    
            
            
                | 100 | 27 |  |                 -1, | 
            
                                                                        
                            
            
                                    
            
            
                | 101 | 18 |  |                 $n | 
            
                                                                        
                            
            
                                    
            
            
                | 102 | 9 |  |             ); | 
            
                                                                        
                            
            
                                    
            
            
                | 103 | 27 |  |         } while ($n > 0); | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 105 | 27 |  |         if (isset($parts["scheme"])) { | 
            
                                                                        
                            
            
                                    
            
            
                | 106 | 18 |  |             $abs = $parts["scheme"].'://'.$abs; | 
            
                                                                        
                            
            
                                    
            
            
                | 107 | 6 |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 109 | 27 |  |         return $abs; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 112 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 113 |  |  |  |