nextcloud /
server
@@ -31,81 +31,81 @@ |
||
| 31 | 31 | * @package OC\Security\Normalizer |
| 32 | 32 | */ |
| 33 | 33 | class IpAddress { |
| 34 | - /** @var string */ |
|
| 35 | - private $ip; |
|
| 34 | + /** @var string */ |
|
| 35 | + private $ip; |
|
| 36 | 36 | |
| 37 | - /** |
|
| 38 | - * @param string $ip IP to normalized |
|
| 39 | - */ |
|
| 40 | - public function __construct(string $ip) { |
|
| 41 | - $this->ip = $ip; |
|
| 42 | - } |
|
| 37 | + /** |
|
| 38 | + * @param string $ip IP to normalized |
|
| 39 | + */ |
|
| 40 | + public function __construct(string $ip) { |
|
| 41 | + $this->ip = $ip; |
|
| 42 | + } |
|
| 43 | 43 | |
| 44 | - /** |
|
| 45 | - * Return the given subnet for an IPv4 address and mask bits |
|
| 46 | - * |
|
| 47 | - * @param string $ip |
|
| 48 | - * @param int $maskBits |
|
| 49 | - * @return string |
|
| 50 | - */ |
|
| 51 | - private function getIPv4Subnet(string $ip, int $maskBits = 32): string { |
|
| 52 | - $binary = \inet_pton($ip); |
|
| 53 | - for ($i = 32; $i > $maskBits; $i -= 8) { |
|
| 54 | - $j = \intdiv($i, 8) - 1; |
|
| 55 | - $k = (int) \min(8, $i - $maskBits); |
|
| 56 | - $mask = (0xff - ((2 ** $k) - 1)); |
|
| 57 | - $int = \unpack('C', $binary[$j]); |
|
| 58 | - $binary[$j] = \pack('C', $int[1] & $mask); |
|
| 59 | - } |
|
| 60 | - return \inet_ntop($binary).'/'.$maskBits; |
|
| 61 | - } |
|
| 44 | + /** |
|
| 45 | + * Return the given subnet for an IPv4 address and mask bits |
|
| 46 | + * |
|
| 47 | + * @param string $ip |
|
| 48 | + * @param int $maskBits |
|
| 49 | + * @return string |
|
| 50 | + */ |
|
| 51 | + private function getIPv4Subnet(string $ip, int $maskBits = 32): string { |
|
| 52 | + $binary = \inet_pton($ip); |
|
| 53 | + for ($i = 32; $i > $maskBits; $i -= 8) { |
|
| 54 | + $j = \intdiv($i, 8) - 1; |
|
| 55 | + $k = (int) \min(8, $i - $maskBits); |
|
| 56 | + $mask = (0xff - ((2 ** $k) - 1)); |
|
| 57 | + $int = \unpack('C', $binary[$j]); |
|
| 58 | + $binary[$j] = \pack('C', $int[1] & $mask); |
|
| 59 | + } |
|
| 60 | + return \inet_ntop($binary).'/'.$maskBits; |
|
| 61 | + } |
|
| 62 | 62 | |
| 63 | - /** |
|
| 64 | - * Return the given subnet for an IPv6 address and mask bits |
|
| 65 | - * |
|
| 66 | - * @param string $ip |
|
| 67 | - * @param int $maskBits |
|
| 68 | - * @return string |
|
| 69 | - */ |
|
| 70 | - private function getIPv6Subnet(string $ip, int $maskBits = 48): string { |
|
| 71 | - if ($ip[0] === '[' && $ip[-1] === ']') { // If IP is with brackets, for example [::1] |
|
| 72 | - $ip = substr($ip, 1, strlen($ip) - 2); |
|
| 73 | - } |
|
| 74 | - $binary = \inet_pton($ip); |
|
| 75 | - for ($i = 128; $i > $maskBits; $i -= 8) { |
|
| 76 | - $j = \intdiv($i, 8) - 1; |
|
| 77 | - $k = (int) \min(8, $i - $maskBits); |
|
| 78 | - $mask = (0xff - ((2 ** $k) - 1)); |
|
| 79 | - $int = \unpack('C', $binary[$j]); |
|
| 80 | - $binary[$j] = \pack('C', $int[1] & $mask); |
|
| 81 | - } |
|
| 82 | - return \inet_ntop($binary).'/'.$maskBits; |
|
| 83 | - } |
|
| 63 | + /** |
|
| 64 | + * Return the given subnet for an IPv6 address and mask bits |
|
| 65 | + * |
|
| 66 | + * @param string $ip |
|
| 67 | + * @param int $maskBits |
|
| 68 | + * @return string |
|
| 69 | + */ |
|
| 70 | + private function getIPv6Subnet(string $ip, int $maskBits = 48): string { |
|
| 71 | + if ($ip[0] === '[' && $ip[-1] === ']') { // If IP is with brackets, for example [::1] |
|
| 72 | + $ip = substr($ip, 1, strlen($ip) - 2); |
|
| 73 | + } |
|
| 74 | + $binary = \inet_pton($ip); |
|
| 75 | + for ($i = 128; $i > $maskBits; $i -= 8) { |
|
| 76 | + $j = \intdiv($i, 8) - 1; |
|
| 77 | + $k = (int) \min(8, $i - $maskBits); |
|
| 78 | + $mask = (0xff - ((2 ** $k) - 1)); |
|
| 79 | + $int = \unpack('C', $binary[$j]); |
|
| 80 | + $binary[$j] = \pack('C', $int[1] & $mask); |
|
| 81 | + } |
|
| 82 | + return \inet_ntop($binary).'/'.$maskBits; |
|
| 83 | + } |
|
| 84 | 84 | |
| 85 | - /** |
|
| 86 | - * Gets either the /32 (IPv4) or the /128 (IPv6) subnet of an IP address |
|
| 87 | - * |
|
| 88 | - * @return string |
|
| 89 | - */ |
|
| 90 | - public function getSubnet(): string { |
|
| 91 | - if (\preg_match('/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/', $this->ip)) { |
|
| 92 | - return $this->getIPv4Subnet( |
|
| 93 | - $this->ip, |
|
| 94 | - 32 |
|
| 95 | - ); |
|
| 96 | - } |
|
| 97 | - return $this->getIPv6Subnet( |
|
| 98 | - $this->ip, |
|
| 99 | - 128 |
|
| 100 | - ); |
|
| 101 | - } |
|
| 85 | + /** |
|
| 86 | + * Gets either the /32 (IPv4) or the /128 (IPv6) subnet of an IP address |
|
| 87 | + * |
|
| 88 | + * @return string |
|
| 89 | + */ |
|
| 90 | + public function getSubnet(): string { |
|
| 91 | + if (\preg_match('/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/', $this->ip)) { |
|
| 92 | + return $this->getIPv4Subnet( |
|
| 93 | + $this->ip, |
|
| 94 | + 32 |
|
| 95 | + ); |
|
| 96 | + } |
|
| 97 | + return $this->getIPv6Subnet( |
|
| 98 | + $this->ip, |
|
| 99 | + 128 |
|
| 100 | + ); |
|
| 101 | + } |
|
| 102 | 102 | |
| 103 | - /** |
|
| 104 | - * Returns the specified IP address |
|
| 105 | - * |
|
| 106 | - * @return string |
|
| 107 | - */ |
|
| 108 | - public function __toString(): string { |
|
| 109 | - return $this->ip; |
|
| 110 | - } |
|
| 103 | + /** |
|
| 104 | + * Returns the specified IP address |
|
| 105 | + * |
|
| 106 | + * @return string |
|
| 107 | + */ |
|
| 108 | + public function __toString(): string { |
|
| 109 | + return $this->ip; |
|
| 110 | + } |
|
| 111 | 111 | } |
