| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace League\JsonGuard; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Sabre\Uri; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @param string $json | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @param bool   $assoc | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @param int    $depth | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @param int    $options | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @throws \InvalidArgumentException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 | 44 |  | function json_decode($json, $assoc = false, $depth = 512, $options = 0) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 | 44 |  |     $data = \json_decode($json, $assoc, $depth, $options); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     if (json_last_error() !== JSON_ERROR_NONE) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |         throw new \InvalidArgumentException(sprintf('Invalid JSON: %s', json_last_error_msg())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 | 44 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     return $data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * @param $string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 | 76 |  | function strlen($string) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 | 76 |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     if (extension_loaded('intl')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         return grapheme_strlen($string); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     if (extension_loaded('mbstring')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         return mb_strlen($string, mb_detect_encoding($string)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     return \strlen($string); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  * Returns the string representation of a value. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  * @param mixed $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  * @return string | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 48 |  |  |  */ | 
            
                                                                        
                            
            
                                    
            
            
                | 49 | 116 |  | function as_string($value) | 
            
                                                                        
                            
            
                                    
            
            
                | 50 | 60 |  | { | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  |     if (is_resource($value)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |         return '<RESOURCE>'; | 
            
                                                                        
                            
            
                                    
            
            
                | 53 | 94 |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 54 | 78 |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |     return (string) json_encode($value); | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 52 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 16 |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  * Get the properties matching $pattern from the $data. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 44 |  |  * @param string       $pattern | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 12 |  |  * @param array|object $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 | 44 |  | function properties_matching_pattern($pattern, $data) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 16 |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     // If an object is supplied, extract an array of the property names. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     if (is_object($data)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 | 36 |  |         $data = array_keys(get_object_vars($data)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     return preg_grep(delimit_pattern($pattern), $data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 | 36 |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 12 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  * Delimit a regular expression pattern. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 28 |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  * The regular expression syntax used for JSON schema is ECMA 262, from Javascript, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |  * and does not use delimiters.  Since the PCRE functions do, this function will | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  * delimit a pattern and escape the delimiter if found in the pattern. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  * @see http://json-schema.org/latest/json-schema-validation.html#anchor6 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |  * @see http://php.net/manual/en/regexp.reference.delimiters.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  * @param string $pattern | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | function delimit_pattern($pattern) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 12 |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 | 12 |  |     return '/' . str_replace('/', '\\/', $pattern) . '/'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 12 |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 12 |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |  * Escape a JSON Pointer. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |  * @param  string $pointer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |  * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | function escape_pointer($pointer) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     $pointer = str_replace('~', '~0', $pointer); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     return str_replace('/', '~1', $pointer); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  * Determines if the value is an integer or an integer that was cast to a string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  * because it is larger than PHP_INT_MAX. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |  * @param  mixed $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 | 16 |  | function is_json_integer($value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |     if (is_string($value) && strlen($value) && $value[0] === '-') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |         $value = substr($value, 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |     return is_int($value) || (is_string($value) && ctype_digit($value) && compare($value, PHP_INT_MAX) === 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  * Determines if the value is a number.  A number is a float, integer, or a number that was cast | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 108 |  |  * to a string because it is larger than PHP_INT_MAX. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 | 108 |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  * @param mixed $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |  * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | function is_json_number($value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     return is_float($value) || is_json_integer($value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |  * @param string|double|int $leftOperand | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 74 |  |  * @param string|double|int $rightOperand | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 6 |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 | 6 |  |  * @return int Returns 0 if the two operands are equal, 1 if the left_operand is larger than the right_operand, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |  * -1 otherwise. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 | 74 |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | function compare($leftOperand, $rightOperand) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |     return Comparator::compare($leftOperand, $rightOperand); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  * Removes the fragment from a reference. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |  * @param  string $ref | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |  * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 | 40 |  | function strip_fragment($ref) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |     $fragment = parse_url($ref, PHP_URL_FRAGMENT); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |     return $fragment ? str_replace($fragment, '', $ref) : $ref; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |  * Determine if a reference is relative. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |  * A reference is relative if it does not being with a prefix. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 40 |  |  * @param string $ref | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 | 40 |  |  * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | function is_relative_ref($ref) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     return !preg_match('#^.+\:\/\/.*#', $ref); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |  * Resolve the given id against the parent scope and return the resolved URI. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |  * @param string $id          The id to resolve.  This should be a valid relative or absolute URI. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |  * @param string $parentScope The parent scope to resolve against.  Should be a valid URI or empty. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  | function resolve_uri($id, $parentScope) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |     // If there is no parent scope, there is nothing to resolve against. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |     if ($parentScope === '') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |         return $id; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |     return Uri\resolve($parentScope, $id); | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 189 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 190 |  |  |  |