Version 5.0.0 beta 1
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+156
@@ -0,0 +1,156 @@
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<?php
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namespace IPLib\Address;
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use IPLib\Range\RangeInterface;
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/**
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* Interface of all the IP address types.
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*/
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interface AddressInterface
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{
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/**
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* Get the short string representation of this address.
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*
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* @return string
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*/
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public function __toString();
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/**
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* Get the number of bits representing this address type.
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*
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* @return int
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*
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* @since 1.14.0
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*
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* @example 32 for IPv4
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* @example 128 for IPv6
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*/
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public static function getNumberOfBits();
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/**
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* Get the string representation of this address.
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*
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* @param bool $long set to true to have a long/full representation, false otherwise
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*
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* @return string
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*
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* @example If $long is true, you'll get '0000:0000:0000:0000:0000:0000:0000:0001', '::1' otherwise.
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*/
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public function toString($long = false);
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/**
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* Get the byte list of the IP address.
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*
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* @return int[]
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*
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* @example For localhost: for IPv4 you'll get array(127, 0, 0, 1), for IPv6 array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1)
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*/
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public function getBytes();
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/**
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* Get the full bit list the IP address.
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*
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* @return string
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*
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* @since 1.14.0
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*
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* @example For localhost: For IPv4 you'll get '01111111000000000000000000000001' (32 digits), for IPv6 '00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001' (128 digits)
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*/
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public function getBits();
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/**
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* Get the type of the IP address.
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*
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* @return int One of the \IPLib\Address\Type::T_... constants
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*/
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public function getAddressType();
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/**
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* Get the default RFC reserved range type.
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*
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* @return int One of the \IPLib\Range\Type::T_... constants
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*
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* @since 1.5.0
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*/
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public static function getDefaultReservedRangeType();
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/**
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* Get the RFC reserved ranges (except the ones of type getDefaultReservedRangeType).
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*
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* @return \IPLib\Address\AssignedRange[] ranges are sorted
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*
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* @since 1.5.0
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*/
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public static function getReservedRanges();
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/**
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* Get the type of range of the IP address.
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*
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* @return int One of the \IPLib\Range\Type::T_... constants
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*/
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public function getRangeType();
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/**
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* Get a string representation of this address than can be used when comparing addresses and ranges.
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*
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* @return string
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*/
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public function getComparableString();
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/**
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* Check if this address is contained in an range.
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*
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* @param \IPLib\Range\RangeInterface $range
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*
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* @return bool
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*/
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public function matches(RangeInterface $range);
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/**
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* Get the address at a certain distance from this address.
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*
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* @param int $n the distance of the address (can be negative)
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*
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* @return \IPLib\Address\AddressInterface|null return NULL if $n is not an integer or if the final address would be invalid
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*
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* @since 1.15.0
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*
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* @example passing 1 to the address 127.0.0.1 will result in 127.0.0.2
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* @example passing -1 to the address 127.0.0.1 will result in 127.0.0.0
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* @example passing -1 to the address 0.0.0.0 will result in NULL
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*/
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public function getAddressAtOffset($n);
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/**
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* Get the address right after this IP address (if available).
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*
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* @return \IPLib\Address\AddressInterface|null
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*
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* @see \IPLib\Address\AddressInterface::getAddressAtOffset()
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* @since 1.4.0
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*/
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public function getNextAddress();
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/**
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* Get the address right before this IP address (if available).
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*
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* @return \IPLib\Address\AddressInterface|null
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*
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* @see \IPLib\Address\AddressInterface::getAddressAtOffset()
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* @since 1.4.0
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*/
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public function getPreviousAddress();
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/**
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* Get the Reverse DNS Lookup Address of this IP address.
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*
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* @return string
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*
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* @since 1.12.0
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*
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* @example for IPv4 it returns something like x.x.x.x.in-addr.arpa
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* @example for IPv6 it returns something like x.x.x.x..x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.ip6.arpa
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*/
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public function getReverseDNSLookupName();
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}
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+140
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<?php
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namespace IPLib\Address;
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use IPLib\Range\RangeInterface;
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/**
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* Represents an IP address range with an assigned range type.
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*
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* @since 1.5.0
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*/
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class AssignedRange
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{
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/**
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* The range definition.
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*
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* @var \IPLib\Range\RangeInterface
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*/
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protected $range;
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/**
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* The range type.
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*
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* @var int one of the \IPLib\Range\Type::T_ constants
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*/
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protected $type;
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/**
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* The list of exceptions for this range type.
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*
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* @var \IPLib\Address\AssignedRange[]
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*/
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protected $exceptions;
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/**
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* Initialize the instance.
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*
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* @param \IPLib\Range\RangeInterface $range the range definition
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* @param int $type The range type (one of the \IPLib\Range\Type::T_ constants)
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* @param \IPLib\Address\AssignedRange[] $exceptions the list of exceptions for this range type
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*/
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public function __construct(RangeInterface $range, $type, array $exceptions = array())
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{
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$this->range = $range;
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$this->type = $type;
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$this->exceptions = $exceptions;
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}
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/**
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* Get the range definition.
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*
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* @return \IPLib\Range\RangeInterface
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*/
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public function getRange()
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{
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return $this->range;
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}
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/**
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* Get the range type.
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*
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* @return int one of the \IPLib\Range\Type::T_ constants
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*/
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public function getType()
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{
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return $this->type;
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}
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/**
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* Get the list of exceptions for this range type.
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*
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* @return \IPLib\Address\AssignedRange[]
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*/
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public function getExceptions()
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{
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return $this->exceptions;
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}
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/**
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* Get the assigned type for a specific address.
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*
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* @param \IPLib\Address\AddressInterface $address
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*
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* @return int|null return NULL of the address is outside this address; a \IPLib\Range\Type::T_ constant otherwise
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*/
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public function getAddressType(AddressInterface $address)
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{
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$result = null;
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if ($this->range->contains($address)) {
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foreach ($this->exceptions as $exception) {
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$result = $exception->getAddressType($address);
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if ($result !== null) {
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break;
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}
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}
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if ($result === null) {
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$result = $this->type;
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}
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}
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return $result;
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}
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/**
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* Get the assigned type for a specific address range.
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*
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* @param \IPLib\Range\RangeInterface $range
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*
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* @return int|false|null return NULL of the range is fully outside this range; false if it's partly crosses this range (or it contains mixed types); a \IPLib\Range\Type::T_ constant otherwise
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*/
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public function getRangeType(RangeInterface $range)
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{
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$myStart = $this->range->getComparableStartString();
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$rangeEnd = $range->getComparableEndString();
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if ($myStart > $rangeEnd) {
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$result = null;
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} else {
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$myEnd = $this->range->getComparableEndString();
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$rangeStart = $range->getComparableStartString();
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if ($myEnd < $rangeStart) {
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$result = null;
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} elseif ($rangeStart < $myStart || $rangeEnd > $myEnd) {
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$result = false;
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} else {
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$result = null;
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foreach ($this->exceptions as $exception) {
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$result = $exception->getRangeType($range);
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if ($result !== null) {
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break;
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}
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}
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if ($result === null) {
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$result = $this->getType();
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}
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}
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}
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return $result;
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}
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}
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+515
@@ -0,0 +1,515 @@
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<?php
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namespace IPLib\Address;
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use IPLib\ParseStringFlag;
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use IPLib\Range\RangeInterface;
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use IPLib\Range\Subnet;
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use IPLib\Range\Type as RangeType;
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/**
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* An IPv4 address.
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*/
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class IPv4 implements AddressInterface
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{
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/**
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* The string representation of the address.
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*
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* @var string
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*
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* @example '127.0.0.1'
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*/
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protected $address;
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/**
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* The byte list of the IP address.
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*
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* @var int[]|null
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*/
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protected $bytes;
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/**
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* The type of the range of this IP address.
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*
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* @var int|null
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*/
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protected $rangeType;
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/**
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* A string representation of this address than can be used when comparing addresses and ranges.
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*
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* @var string
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*/
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protected $comparableString;
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/**
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* An array containing RFC designated address ranges.
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*
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* @var array|null
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*/
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private static $reservedRanges;
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/**
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* Initializes the instance.
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*
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* @param string $address
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*/
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protected function __construct($address)
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{
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$this->address = $address;
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$this->bytes = null;
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$this->rangeType = null;
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$this->comparableString = null;
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}
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/**
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* {@inheritdoc}
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*
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* @see \IPLib\Address\AddressInterface::__toString()
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*/
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public function __toString()
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{
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return $this->address;
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}
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/**
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* {@inheritdoc}
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*
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* @see \IPLib\Address\AddressInterface::getNumberOfBits()
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*/
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public static function getNumberOfBits()
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{
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return 32;
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}
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/**
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* @deprecated since 1.17.0: use the parseString() method instead.
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* For upgrading:
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* - if $mayIncludePort is true, use the ParseStringFlag::MAY_INCLUDE_PORT flag
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* - if $supportNonDecimalIPv4 is true, use the ParseStringFlag::IPV4_MAYBE_NON_DECIMAL flag
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*
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* @param string|mixed $address the address to parse
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* @param bool $mayIncludePort
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* @param bool $supportNonDecimalIPv4
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*
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* @return static|null
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*
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* @see \IPLib\Address\IPv4::parseString()
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* @since 1.1.0 added the $mayIncludePort argument
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* @since 1.10.0 added the $supportNonDecimalIPv4 argument
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*/
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public static function fromString($address, $mayIncludePort = true, $supportNonDecimalIPv4 = false)
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{
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return static::parseString($address, 0 | ($mayIncludePort ? ParseStringFlag::MAY_INCLUDE_PORT : 0) | ($supportNonDecimalIPv4 ? ParseStringFlag::IPV4_MAYBE_NON_DECIMAL : 0));
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}
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/**
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* Parse a string and returns an IPv4 instance if the string is valid, or null otherwise.
|
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*
|
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* @param string|mixed $address the address to parse
|
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* @param int $flags A combination or zero or more flags
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*
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* @return static|null
|
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*
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* @see \IPLib\ParseStringFlag
|
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* @since 1.17.0
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*/
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public static function parseString($address, $flags = 0)
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{
|
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if (!is_string($address)) {
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return null;
|
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}
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$flags = (int) $flags;
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$matches = null;
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if ($flags & ParseStringFlag::ADDRESS_MAYBE_RDNS) {
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if (preg_match('/^([12]?[0-9]{1,2}\.[12]?[0-9]{1,2}\.[12]?[0-9]{1,2}\.[12]?[0-9]{1,2})\.in-addr\.arpa\.?$/i', $address, $matches)) {
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$address = implode('.', array_reverse(explode('.', $matches[1])));
|
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$flags = $flags & ~(ParseStringFlag::IPV4_MAYBE_NON_DECIMAL | ParseStringFlag::IPV4ADDRESS_MAYBE_NON_QUAD_DOTTED);
|
||||
}
|
||||
}
|
||||
if ($flags & ParseStringFlag::IPV4ADDRESS_MAYBE_NON_QUAD_DOTTED) {
|
||||
if (strpos($address, '.') === 0) {
|
||||
return null;
|
||||
}
|
||||
$lengthNonHex = '{1,11}';
|
||||
$lengthHex = '{1,8}';
|
||||
$chunk234Optional = true;
|
||||
} else {
|
||||
if (!strpos($address, '.')) {
|
||||
return null;
|
||||
}
|
||||
$lengthNonHex = '{1,3}';
|
||||
$lengthHex = '{1,2}';
|
||||
$chunk234Optional = false;
|
||||
}
|
||||
$rxChunk1 = "0?[0-9]{$lengthNonHex}";
|
||||
if ($flags & ParseStringFlag::IPV4_MAYBE_NON_DECIMAL) {
|
||||
$rxChunk1 = "(?:0[Xx]0*[0-9A-Fa-f]{$lengthHex})|(?:{$rxChunk1})";
|
||||
$onlyDecimal = false;
|
||||
} else {
|
||||
$onlyDecimal = true;
|
||||
}
|
||||
$rxChunk1 = "0*?({$rxChunk1})";
|
||||
$rxChunk234 = "\.{$rxChunk1}";
|
||||
if ($chunk234Optional) {
|
||||
$rxChunk234 = "(?:{$rxChunk234})?";
|
||||
}
|
||||
$rx = "{$rxChunk1}{$rxChunk234}{$rxChunk234}{$rxChunk234}";
|
||||
if ($flags & ParseStringFlag::MAY_INCLUDE_PORT) {
|
||||
$rx .= '(?::\d+)?';
|
||||
}
|
||||
if (!preg_match('/^' . $rx . '$/', $address, $matches)) {
|
||||
return null;
|
||||
}
|
||||
$math = new \IPLib\Service\UnsignedIntegerMath();
|
||||
$nums = array();
|
||||
$maxChunkIndex = count($matches) - 1;
|
||||
for ($i = 1; $i <= $maxChunkIndex; $i++) {
|
||||
$numBytes = $i === $maxChunkIndex ? 5 - $i : 1;
|
||||
$chunkBytes = $math->getBytes($matches[$i], $numBytes, $onlyDecimal);
|
||||
if ($chunkBytes === null) {
|
||||
return null;
|
||||
}
|
||||
$nums = array_merge($nums, $chunkBytes);
|
||||
}
|
||||
|
||||
return new static(implode('.', $nums));
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse an array of bytes and returns an IPv4 instance if the array is valid, or null otherwise.
|
||||
*
|
||||
* @param int[]|array $bytes
|
||||
*
|
||||
* @return static|null
|
||||
*/
|
||||
public static function fromBytes(array $bytes)
|
||||
{
|
||||
$result = null;
|
||||
if (count($bytes) === 4) {
|
||||
$chunks = array_map(
|
||||
function ($byte) {
|
||||
return (is_int($byte) && $byte >= 0 && $byte <= 255) ? (string) $byte : false;
|
||||
},
|
||||
$bytes
|
||||
);
|
||||
if (in_array(false, $chunks, true) === false) {
|
||||
$result = new static(implode('.', $chunks));
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::toString()
|
||||
*/
|
||||
public function toString($long = false)
|
||||
{
|
||||
if ($long) {
|
||||
return $this->getComparableString();
|
||||
}
|
||||
|
||||
return $this->address;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the octal representation of this IP address.
|
||||
*
|
||||
* @param bool $long
|
||||
*
|
||||
* @return string
|
||||
*
|
||||
* @since 1.10.0
|
||||
*
|
||||
* @example if $long == false: if the decimal representation is '0.7.8.255': '0.7.010.0377'
|
||||
* @example if $long == true: if the decimal representation is '0.7.8.255': '0000.0007.0010.0377'
|
||||
*/
|
||||
public function toOctal($long = false)
|
||||
{
|
||||
$chunks = array();
|
||||
foreach ($this->getBytes() as $byte) {
|
||||
if ($long) {
|
||||
$chunks[] = sprintf('%04o', $byte);
|
||||
} else {
|
||||
$chunks[] = '0' . decoct($byte);
|
||||
}
|
||||
}
|
||||
|
||||
return implode('.', $chunks);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the hexadecimal representation of this IP address.
|
||||
*
|
||||
* @param bool $long
|
||||
*
|
||||
* @return string
|
||||
*
|
||||
* @since 1.10.0
|
||||
*
|
||||
* @example if $long == false: if the decimal representation is '0.9.10.255': '0.9.0xa.0xff'
|
||||
* @example if $long == true: if the decimal representation is '0.9.10.255': '0x00.0x09.0x0a.0xff'
|
||||
*/
|
||||
public function toHexadecimal($long = false)
|
||||
{
|
||||
$chunks = array();
|
||||
foreach ($this->getBytes() as $byte) {
|
||||
if ($long) {
|
||||
$chunks[] = sprintf('0x%02x', $byte);
|
||||
} else {
|
||||
$chunks[] = '0x' . dechex($byte);
|
||||
}
|
||||
}
|
||||
|
||||
return implode('.', $chunks);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getBytes()
|
||||
*/
|
||||
public function getBytes()
|
||||
{
|
||||
if ($this->bytes === null) {
|
||||
$this->bytes = array_map(
|
||||
function ($chunk) {
|
||||
return (int) $chunk;
|
||||
},
|
||||
explode('.', $this->address)
|
||||
);
|
||||
}
|
||||
|
||||
return $this->bytes;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getBits()
|
||||
*/
|
||||
public function getBits()
|
||||
{
|
||||
$parts = array();
|
||||
foreach ($this->getBytes() as $byte) {
|
||||
$parts[] = sprintf('%08b', $byte);
|
||||
}
|
||||
|
||||
return implode('', $parts);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getAddressType()
|
||||
*/
|
||||
public function getAddressType()
|
||||
{
|
||||
return Type::T_IPv4;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getDefaultReservedRangeType()
|
||||
*/
|
||||
public static function getDefaultReservedRangeType()
|
||||
{
|
||||
return RangeType::T_PUBLIC;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getReservedRanges()
|
||||
*/
|
||||
public static function getReservedRanges()
|
||||
{
|
||||
if (self::$reservedRanges === null) {
|
||||
$reservedRanges = array();
|
||||
foreach (array(
|
||||
// RFC 5735
|
||||
'0.0.0.0/8' => array(RangeType::T_THISNETWORK, array('0.0.0.0/32' => RangeType::T_UNSPECIFIED)),
|
||||
// RFC 5735
|
||||
'10.0.0.0/8' => array(RangeType::T_PRIVATENETWORK),
|
||||
// RFC 6598
|
||||
'100.64.0.0/10' => array(RangeType::T_CGNAT),
|
||||
// RFC 5735
|
||||
'127.0.0.0/8' => array(RangeType::T_LOOPBACK),
|
||||
// RFC 5735
|
||||
'169.254.0.0/16' => array(RangeType::T_LINKLOCAL),
|
||||
// RFC 5735
|
||||
'172.16.0.0/12' => array(RangeType::T_PRIVATENETWORK),
|
||||
// RFC 5735
|
||||
'192.0.0.0/24' => array(RangeType::T_RESERVED),
|
||||
// RFC 5735
|
||||
'192.0.2.0/24' => array(RangeType::T_RESERVED),
|
||||
// RFC 5735
|
||||
'192.88.99.0/24' => array(RangeType::T_ANYCASTRELAY),
|
||||
// RFC 5735
|
||||
'192.168.0.0/16' => array(RangeType::T_PRIVATENETWORK),
|
||||
// RFC 5735
|
||||
'198.18.0.0/15' => array(RangeType::T_RESERVED),
|
||||
// RFC 5735
|
||||
'198.51.100.0/24' => array(RangeType::T_RESERVED),
|
||||
// RFC 5735
|
||||
'203.0.113.0/24' => array(RangeType::T_RESERVED),
|
||||
// RFC 5735
|
||||
'224.0.0.0/4' => array(RangeType::T_MULTICAST),
|
||||
// RFC 5735
|
||||
'240.0.0.0/4' => array(RangeType::T_RESERVED, array('255.255.255.255/32' => RangeType::T_LIMITEDBROADCAST)),
|
||||
) as $range => $data) {
|
||||
$exceptions = array();
|
||||
if (isset($data[1])) {
|
||||
foreach ($data[1] as $exceptionRange => $exceptionType) {
|
||||
$exceptions[] = new AssignedRange(Subnet::parseString($exceptionRange), $exceptionType);
|
||||
}
|
||||
}
|
||||
$reservedRanges[] = new AssignedRange(Subnet::parseString($range), $data[0], $exceptions);
|
||||
}
|
||||
self::$reservedRanges = $reservedRanges;
|
||||
}
|
||||
|
||||
return self::$reservedRanges;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getRangeType()
|
||||
*/
|
||||
public function getRangeType()
|
||||
{
|
||||
if ($this->rangeType === null) {
|
||||
$rangeType = null;
|
||||
foreach (static::getReservedRanges() as $reservedRange) {
|
||||
$rangeType = $reservedRange->getAddressType($this);
|
||||
if ($rangeType !== null) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
$this->rangeType = $rangeType === null ? static::getDefaultReservedRangeType() : $rangeType;
|
||||
}
|
||||
|
||||
return $this->rangeType;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an IPv6 representation of this address (in 6to4 notation).
|
||||
*
|
||||
* @return \IPLib\Address\IPv6
|
||||
*/
|
||||
public function toIPv6()
|
||||
{
|
||||
$myBytes = $this->getBytes();
|
||||
|
||||
return IPv6::parseString('2002:' . sprintf('%02x', $myBytes[0]) . sprintf('%02x', $myBytes[1]) . ':' . sprintf('%02x', $myBytes[2]) . sprintf('%02x', $myBytes[3]) . '::');
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an IPv6 representation of this address (in IPv6 IPv4-mapped notation).
|
||||
*
|
||||
* @return \IPLib\Address\IPv6
|
||||
*
|
||||
* @since 1.11.0
|
||||
*/
|
||||
public function toIPv6IPv4Mapped()
|
||||
{
|
||||
return IPv6::fromBytes(array_merge(array(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff), $this->getBytes()));
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getComparableString()
|
||||
*/
|
||||
public function getComparableString()
|
||||
{
|
||||
if ($this->comparableString === null) {
|
||||
$chunks = array();
|
||||
foreach ($this->getBytes() as $byte) {
|
||||
$chunks[] = sprintf('%03d', $byte);
|
||||
}
|
||||
$this->comparableString = implode('.', $chunks);
|
||||
}
|
||||
|
||||
return $this->comparableString;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::matches()
|
||||
*/
|
||||
public function matches(RangeInterface $range)
|
||||
{
|
||||
return $range->contains($this);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getAddressAtOffset()
|
||||
*/
|
||||
public function getAddressAtOffset($n)
|
||||
{
|
||||
if (!is_int($n)) {
|
||||
return null;
|
||||
}
|
||||
|
||||
$boundary = 256;
|
||||
$mod = $n;
|
||||
$bytes = $this->getBytes();
|
||||
for ($i = count($bytes) - 1; $i >= 0; $i--) {
|
||||
$tmp = ($bytes[$i] + $mod) % $boundary;
|
||||
$mod = (int) floor(($bytes[$i] + $mod) / $boundary);
|
||||
if ($tmp < 0) {
|
||||
$tmp += $boundary;
|
||||
}
|
||||
|
||||
$bytes[$i] = $tmp;
|
||||
}
|
||||
|
||||
if ($mod !== 0) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return static::fromBytes($bytes);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getNextAddress()
|
||||
*/
|
||||
public function getNextAddress()
|
||||
{
|
||||
return $this->getAddressAtOffset(1);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getPreviousAddress()
|
||||
*/
|
||||
public function getPreviousAddress()
|
||||
{
|
||||
return $this->getAddressAtOffset(-1);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getReverseDNSLookupName()
|
||||
*/
|
||||
public function getReverseDNSLookupName()
|
||||
{
|
||||
return implode(
|
||||
'.',
|
||||
array_reverse($this->getBytes())
|
||||
) . '.in-addr.arpa';
|
||||
}
|
||||
}
|
||||
+608
@@ -0,0 +1,608 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Address;
|
||||
|
||||
use IPLib\ParseStringFlag;
|
||||
use IPLib\Range\RangeInterface;
|
||||
use IPLib\Range\Subnet;
|
||||
use IPLib\Range\Type as RangeType;
|
||||
|
||||
/**
|
||||
* An IPv6 address.
|
||||
*/
|
||||
class IPv6 implements AddressInterface
|
||||
{
|
||||
/**
|
||||
* The long string representation of the address.
|
||||
*
|
||||
* @var string
|
||||
*
|
||||
* @example '0000:0000:0000:0000:0000:0000:0000:0001'
|
||||
*/
|
||||
protected $longAddress;
|
||||
|
||||
/**
|
||||
* The long string representation of the address.
|
||||
*
|
||||
* @var string|null
|
||||
*
|
||||
* @example '::1'
|
||||
*/
|
||||
protected $shortAddress;
|
||||
|
||||
/**
|
||||
* The byte list of the IP address.
|
||||
*
|
||||
* @var int[]|null
|
||||
*/
|
||||
protected $bytes;
|
||||
|
||||
/**
|
||||
* The word list of the IP address.
|
||||
*
|
||||
* @var int[]|null
|
||||
*/
|
||||
protected $words;
|
||||
|
||||
/**
|
||||
* The type of the range of this IP address.
|
||||
*
|
||||
* @var int|null
|
||||
*/
|
||||
protected $rangeType;
|
||||
|
||||
/**
|
||||
* An array containing RFC designated address ranges.
|
||||
*
|
||||
* @var array|null
|
||||
*/
|
||||
private static $reservedRanges;
|
||||
|
||||
/**
|
||||
* Initializes the instance.
|
||||
*
|
||||
* @param string $longAddress
|
||||
*/
|
||||
public function __construct($longAddress)
|
||||
{
|
||||
$this->longAddress = $longAddress;
|
||||
$this->shortAddress = null;
|
||||
$this->bytes = null;
|
||||
$this->words = null;
|
||||
$this->rangeType = null;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::__toString()
|
||||
*/
|
||||
public function __toString()
|
||||
{
|
||||
return $this->toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getNumberOfBits()
|
||||
*/
|
||||
public static function getNumberOfBits()
|
||||
{
|
||||
return 128;
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated since 1.17.0: use the parseString() method instead.
|
||||
* For upgrading:
|
||||
* - if $mayIncludePort is true, use the ParseStringFlag::MAY_INCLUDE_PORT flag
|
||||
* - if $mayIncludeZoneID is true, use the ParseStringFlag::MAY_INCLUDE_ZONEID flag
|
||||
*
|
||||
* @param string|mixed $address
|
||||
* @param bool $mayIncludePort
|
||||
* @param bool $mayIncludeZoneID
|
||||
*
|
||||
* @return static|null
|
||||
*
|
||||
* @see \IPLib\Address\IPv6::parseString()
|
||||
* @since 1.1.0 added the $mayIncludePort argument
|
||||
* @since 1.3.0 added the $mayIncludeZoneID argument
|
||||
*/
|
||||
public static function fromString($address, $mayIncludePort = true, $mayIncludeZoneID = true)
|
||||
{
|
||||
return static::parseString($address, 0 | ($mayIncludePort ? ParseStringFlag::MAY_INCLUDE_PORT : 0) | ($mayIncludeZoneID ? ParseStringFlag::MAY_INCLUDE_ZONEID : 0));
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse a string and returns an IPv6 instance if the string is valid, or null otherwise.
|
||||
*
|
||||
* @param string|mixed $address the address to parse
|
||||
* @param int $flags A combination or zero or more flags
|
||||
*
|
||||
* @return static|null
|
||||
*
|
||||
* @see \IPLib\ParseStringFlag
|
||||
* @since 1.17.0
|
||||
*/
|
||||
public static function parseString($address, $flags = 0)
|
||||
{
|
||||
if (!is_string($address)) {
|
||||
return null;
|
||||
}
|
||||
$matches = null;
|
||||
$flags = (int) $flags;
|
||||
if ($flags & ParseStringFlag::ADDRESS_MAYBE_RDNS) {
|
||||
if (preg_match('/^([0-9a-f](?:\.[0-9a-f]){31})\.ip6\.arpa\.?/i', $address, $matches)) {
|
||||
$nibbles = array_reverse(explode('.', $matches[1]));
|
||||
$quibbles = array();
|
||||
foreach (array_chunk($nibbles, 4) as $n) {
|
||||
$quibbles[] = implode('', $n);
|
||||
}
|
||||
$address = implode(':', $quibbles);
|
||||
}
|
||||
}
|
||||
$result = null;
|
||||
if (is_string($address) && strpos($address, ':') !== false && strpos($address, ':::') === false) {
|
||||
if ($flags & ParseStringFlag::MAY_INCLUDE_PORT && $address[0] === '[' && preg_match('/^\[(.+)]:\d+$/', $address, $matches)) {
|
||||
$address = $matches[1];
|
||||
}
|
||||
if ($flags & ParseStringFlag::MAY_INCLUDE_ZONEID) {
|
||||
$percentagePos = strpos($address, '%');
|
||||
if ($percentagePos > 0) {
|
||||
$address = substr($address, 0, $percentagePos);
|
||||
}
|
||||
}
|
||||
if (preg_match('/^((?:[0-9a-f]*:+)+)(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/i', $address, $matches)) {
|
||||
$address6 = static::parseString($matches[1] . '0:0');
|
||||
if ($address6 !== null) {
|
||||
$address4 = IPv4::parseString($matches[2]);
|
||||
if ($address4 !== null) {
|
||||
$bytes4 = $address4->getBytes();
|
||||
$address6->longAddress = substr($address6->longAddress, 0, -9) . sprintf('%02x%02x:%02x%02x', $bytes4[0], $bytes4[1], $bytes4[2], $bytes4[3]);
|
||||
$result = $address6;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (strpos($address, '::') === false) {
|
||||
$chunks = explode(':', $address);
|
||||
} else {
|
||||
$chunks = array();
|
||||
$parts = explode('::', $address);
|
||||
if (count($parts) === 2) {
|
||||
$before = ($parts[0] === '') ? array() : explode(':', $parts[0]);
|
||||
$after = ($parts[1] === '') ? array() : explode(':', $parts[1]);
|
||||
$missing = 8 - count($before) - count($after);
|
||||
if ($missing >= 0) {
|
||||
$chunks = $before;
|
||||
if ($missing !== 0) {
|
||||
$chunks = array_merge($chunks, array_fill(0, $missing, '0'));
|
||||
}
|
||||
$chunks = array_merge($chunks, $after);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (count($chunks) === 8) {
|
||||
$nums = array_map(
|
||||
function ($chunk) {
|
||||
return preg_match('/^[0-9A-Fa-f]{1,4}$/', $chunk) ? hexdec($chunk) : false;
|
||||
},
|
||||
$chunks
|
||||
);
|
||||
if (!in_array(false, $nums, true)) {
|
||||
$longAddress = implode(
|
||||
':',
|
||||
array_map(
|
||||
function ($num) {
|
||||
return sprintf('%04x', $num);
|
||||
},
|
||||
$nums
|
||||
)
|
||||
);
|
||||
$result = new static($longAddress);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse an array of bytes and returns an IPv6 instance if the array is valid, or null otherwise.
|
||||
*
|
||||
* @param int[]|array $bytes
|
||||
*
|
||||
* @return static|null
|
||||
*/
|
||||
public static function fromBytes(array $bytes)
|
||||
{
|
||||
$result = null;
|
||||
if (count($bytes) === 16) {
|
||||
$address = '';
|
||||
for ($i = 0; $i < 16; $i++) {
|
||||
if ($i !== 0 && $i % 2 === 0) {
|
||||
$address .= ':';
|
||||
}
|
||||
$byte = $bytes[$i];
|
||||
if (is_int($byte) && $byte >= 0 && $byte <= 255) {
|
||||
$address .= sprintf('%02x', $byte);
|
||||
} else {
|
||||
$address = null;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if ($address !== null) {
|
||||
$result = new static($address);
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse an array of words and returns an IPv6 instance if the array is valid, or null otherwise.
|
||||
*
|
||||
* @param int[]|array $words
|
||||
*
|
||||
* @return static|null
|
||||
*/
|
||||
public static function fromWords(array $words)
|
||||
{
|
||||
$result = null;
|
||||
if (count($words) === 8) {
|
||||
$chunks = array();
|
||||
for ($i = 0; $i < 8; $i++) {
|
||||
$word = $words[$i];
|
||||
if (is_int($word) && $word >= 0 && $word <= 0xffff) {
|
||||
$chunks[] = sprintf('%04x', $word);
|
||||
} else {
|
||||
$chunks = null;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if ($chunks !== null) {
|
||||
$result = new static(implode(':', $chunks));
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::toString()
|
||||
*/
|
||||
public function toString($long = false)
|
||||
{
|
||||
if ($long) {
|
||||
$result = $this->longAddress;
|
||||
} else {
|
||||
if ($this->shortAddress === null) {
|
||||
if (strpos($this->longAddress, '0000:0000:0000:0000:0000:ffff:') === 0) {
|
||||
$lastBytes = array_slice($this->getBytes(), -4);
|
||||
$this->shortAddress = '::ffff:' . implode('.', $lastBytes);
|
||||
} else {
|
||||
$chunks = array_map(
|
||||
function ($word) {
|
||||
return dechex($word);
|
||||
},
|
||||
$this->getWords()
|
||||
);
|
||||
$shortAddress = implode(':', $chunks);
|
||||
$matches = null;
|
||||
for ($i = 8; $i > 1; $i--) {
|
||||
$search = '(?:^|:)' . rtrim(str_repeat('0:', $i), ':') . '(?:$|:)';
|
||||
if (preg_match('/^(.*?)' . $search . '(.*)$/', $shortAddress, $matches)) {
|
||||
$shortAddress = $matches[1] . '::' . $matches[2];
|
||||
break;
|
||||
}
|
||||
}
|
||||
$this->shortAddress = $shortAddress;
|
||||
}
|
||||
}
|
||||
$result = $this->shortAddress;
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getBytes()
|
||||
*/
|
||||
public function getBytes()
|
||||
{
|
||||
if ($this->bytes === null) {
|
||||
$bytes = array();
|
||||
foreach ($this->getWords() as $word) {
|
||||
$bytes[] = $word >> 8;
|
||||
$bytes[] = $word & 0xff;
|
||||
}
|
||||
$this->bytes = $bytes;
|
||||
}
|
||||
|
||||
return $this->bytes;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getBits()
|
||||
*/
|
||||
public function getBits()
|
||||
{
|
||||
$parts = array();
|
||||
foreach ($this->getBytes() as $byte) {
|
||||
$parts[] = sprintf('%08b', $byte);
|
||||
}
|
||||
|
||||
return implode('', $parts);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the word list of the IP address.
|
||||
*
|
||||
* @return int[]
|
||||
*/
|
||||
public function getWords()
|
||||
{
|
||||
if ($this->words === null) {
|
||||
$this->words = array_map(
|
||||
function ($chunk) {
|
||||
return hexdec($chunk);
|
||||
},
|
||||
explode(':', $this->longAddress)
|
||||
);
|
||||
}
|
||||
|
||||
return $this->words;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getAddressType()
|
||||
*/
|
||||
public function getAddressType()
|
||||
{
|
||||
return Type::T_IPv6;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getDefaultReservedRangeType()
|
||||
*/
|
||||
public static function getDefaultReservedRangeType()
|
||||
{
|
||||
return RangeType::T_RESERVED;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getReservedRanges()
|
||||
*/
|
||||
public static function getReservedRanges()
|
||||
{
|
||||
if (self::$reservedRanges === null) {
|
||||
$reservedRanges = array();
|
||||
foreach (array(
|
||||
// RFC 4291
|
||||
'::/128' => array(RangeType::T_UNSPECIFIED),
|
||||
// RFC 4291
|
||||
'::1/128' => array(RangeType::T_LOOPBACK),
|
||||
// RFC 4291
|
||||
'100::/8' => array(RangeType::T_DISCARD, array('100::/64' => RangeType::T_DISCARDONLY)),
|
||||
//'2002::/16' => array(RangeType::),
|
||||
// RFC 4291
|
||||
'2000::/3' => array(RangeType::T_PUBLIC),
|
||||
// RFC 4193
|
||||
'fc00::/7' => array(RangeType::T_PRIVATENETWORK),
|
||||
// RFC 4291
|
||||
'fe80::/10' => array(RangeType::T_LINKLOCAL_UNICAST),
|
||||
// RFC 4291
|
||||
'ff00::/8' => array(RangeType::T_MULTICAST),
|
||||
// RFC 4291
|
||||
//'::/8' => array(RangeType::T_RESERVED),
|
||||
// RFC 4048
|
||||
//'200::/7' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'400::/6' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'800::/5' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'1000::/4' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'4000::/3' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'6000::/3' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'8000::/3' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'a000::/3' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'c000::/3' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'e000::/4' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'f000::/5' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'f800::/6' => array(RangeType::T_RESERVED),
|
||||
// RFC 4291
|
||||
//'fe00::/9' => array(RangeType::T_RESERVED),
|
||||
// RFC 3879
|
||||
//'fec0::/10' => array(RangeType::T_RESERVED),
|
||||
) as $range => $data) {
|
||||
$exceptions = array();
|
||||
if (isset($data[1])) {
|
||||
foreach ($data[1] as $exceptionRange => $exceptionType) {
|
||||
$exceptions[] = new AssignedRange(Subnet::parseString($exceptionRange), $exceptionType);
|
||||
}
|
||||
}
|
||||
$reservedRanges[] = new AssignedRange(Subnet::parseString($range), $data[0], $exceptions);
|
||||
}
|
||||
self::$reservedRanges = $reservedRanges;
|
||||
}
|
||||
|
||||
return self::$reservedRanges;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getRangeType()
|
||||
*/
|
||||
public function getRangeType()
|
||||
{
|
||||
if ($this->rangeType === null) {
|
||||
$ipv4 = $this->toIPv4();
|
||||
if ($ipv4 !== null) {
|
||||
$this->rangeType = $ipv4->getRangeType();
|
||||
} else {
|
||||
$rangeType = null;
|
||||
foreach (static::getReservedRanges() as $reservedRange) {
|
||||
$rangeType = $reservedRange->getAddressType($this);
|
||||
if ($rangeType !== null) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
$this->rangeType = $rangeType === null ? static::getDefaultReservedRangeType() : $rangeType;
|
||||
}
|
||||
}
|
||||
|
||||
return $this->rangeType;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an IPv4 representation of this address (if possible, otherwise returns null).
|
||||
*
|
||||
* @return \IPLib\Address\IPv4|null
|
||||
*/
|
||||
public function toIPv4()
|
||||
{
|
||||
if (strpos($this->longAddress, '2002:') === 0) {
|
||||
// 6to4
|
||||
return IPv4::fromBytes(array_slice($this->getBytes(), 2, 4));
|
||||
}
|
||||
if (strpos($this->longAddress, '0000:0000:0000:0000:0000:ffff:') === 0) {
|
||||
// IPv4-mapped IPv6 addresses
|
||||
return IPv4::fromBytes(array_slice($this->getBytes(), -4));
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Render this IPv6 address in the "mixed" IPv6 (first 12 bytes) + IPv4 (last 4 bytes) mixed syntax.
|
||||
*
|
||||
* @param bool $ipV6Long render the IPv6 part in "long" format?
|
||||
* @param bool $ipV4Long render the IPv4 part in "long" format?
|
||||
*
|
||||
* @return string
|
||||
*
|
||||
* @example '::13.1.68.3'
|
||||
* @example '0000:0000:0000:0000:0000:0000:13.1.68.3' when $ipV6Long is true
|
||||
* @example '::013.001.068.003' when $ipV4Long is true
|
||||
* @example '0000:0000:0000:0000:0000:0000:013.001.068.003' when $ipV6Long and $ipV4Long are true
|
||||
*
|
||||
* @see https://tools.ietf.org/html/rfc4291#section-2.2 point 3.
|
||||
* @since 1.9.0
|
||||
*/
|
||||
public function toMixedIPv6IPv4String($ipV6Long = false, $ipV4Long = false)
|
||||
{
|
||||
$myBytes = $this->getBytes();
|
||||
$ipv6Bytes = array_merge(array_slice($myBytes, 0, 12), array(0xff, 0xff, 0xff, 0xff));
|
||||
$ipv6String = static::fromBytes($ipv6Bytes)->toString($ipV6Long);
|
||||
$ipv4Bytes = array_slice($myBytes, 12, 4);
|
||||
$ipv4String = IPv4::fromBytes($ipv4Bytes)->toString($ipV4Long);
|
||||
|
||||
return preg_replace('/((ffff:ffff)|(\d+(\.\d+){3}))$/i', $ipv4String, $ipv6String);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getComparableString()
|
||||
*/
|
||||
public function getComparableString()
|
||||
{
|
||||
return $this->longAddress;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::matches()
|
||||
*/
|
||||
public function matches(RangeInterface $range)
|
||||
{
|
||||
return $range->contains($this);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getAddressAtOffset()
|
||||
*/
|
||||
public function getAddressAtOffset($n)
|
||||
{
|
||||
if (!is_int($n)) {
|
||||
return null;
|
||||
}
|
||||
|
||||
$boundary = 0x10000;
|
||||
$mod = $n;
|
||||
$words = $this->getWords();
|
||||
for ($i = count($words) - 1; $i >= 0; $i--) {
|
||||
$tmp = ($words[$i] + $mod) % $boundary;
|
||||
$mod = (int) floor(($words[$i] + $mod) / $boundary);
|
||||
if ($tmp < 0) {
|
||||
$tmp += $boundary;
|
||||
}
|
||||
|
||||
$words[$i] = $tmp;
|
||||
}
|
||||
|
||||
if ($mod !== 0) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return static::fromWords($words);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getNextAddress()
|
||||
*/
|
||||
public function getNextAddress()
|
||||
{
|
||||
return $this->getAddressAtOffset(1);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getPreviousAddress()
|
||||
*/
|
||||
public function getPreviousAddress()
|
||||
{
|
||||
return $this->getAddressAtOffset(-1);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Address\AddressInterface::getReverseDNSLookupName()
|
||||
*/
|
||||
public function getReverseDNSLookupName()
|
||||
{
|
||||
return implode(
|
||||
'.',
|
||||
array_reverse(str_split(str_replace(':', '', $this->toString(true)), 1))
|
||||
) . '.ip6.arpa';
|
||||
}
|
||||
}
|
||||
+44
@@ -0,0 +1,44 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Address;
|
||||
|
||||
/**
|
||||
* Types of IP addresses.
|
||||
*/
|
||||
class Type
|
||||
{
|
||||
/**
|
||||
* IPv4 address.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_IPv4 = 4;
|
||||
|
||||
/**
|
||||
* IPv6 address.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_IPv6 = 6;
|
||||
|
||||
/**
|
||||
* Get the name of a type.
|
||||
*
|
||||
* @param int $type
|
||||
*
|
||||
* @return string
|
||||
*
|
||||
* @since 1.1.0
|
||||
*/
|
||||
public static function getName($type)
|
||||
{
|
||||
switch ($type) {
|
||||
case static::T_IPv4:
|
||||
return 'IP v4';
|
||||
case static::T_IPv6:
|
||||
return 'IP v6';
|
||||
default:
|
||||
return sprintf('Unknown type (%s)', $type);
|
||||
}
|
||||
}
|
||||
}
|
||||
Vendored
+298
@@ -0,0 +1,298 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib;
|
||||
|
||||
use IPLib\Address\AddressInterface;
|
||||
use IPLib\Range\Subnet;
|
||||
use IPLib\Service\RangesFromBoundaryCalculator;
|
||||
|
||||
/**
|
||||
* Factory methods to build class instances.
|
||||
*/
|
||||
class Factory
|
||||
{
|
||||
/**
|
||||
* @deprecated since 1.17.0: use the parseAddressString() method instead.
|
||||
* For upgrading:
|
||||
* - if $mayIncludePort is true, use the ParseStringFlag::MAY_INCLUDE_PORT flag
|
||||
* - if $mayIncludeZoneID is true, use the ParseStringFlag::MAY_INCLUDE_ZONEID flag
|
||||
* - if $supportNonDecimalIPv4 is true, use the ParseStringFlag::IPV4_MAYBE_NON_DECIMAL flag
|
||||
*
|
||||
* @param string|mixed $address
|
||||
* @param bool $mayIncludePort
|
||||
* @param bool $mayIncludeZoneID
|
||||
* @param bool $supportNonDecimalIPv4
|
||||
*
|
||||
* @return \IPLib\Address\AddressInterface|null
|
||||
*
|
||||
* @see \IPLib\Factory::parseAddressString()
|
||||
* @since 1.1.0 added the $mayIncludePort argument
|
||||
* @since 1.3.0 added the $mayIncludeZoneID argument
|
||||
* @since 1.10.0 added the $supportNonDecimalIPv4 argument
|
||||
*/
|
||||
public static function addressFromString($address, $mayIncludePort = true, $mayIncludeZoneID = true, $supportNonDecimalIPv4 = false)
|
||||
{
|
||||
return static::parseAddressString($address, 0 + ($mayIncludePort ? ParseStringFlag::MAY_INCLUDE_PORT : 0) + ($mayIncludeZoneID ? ParseStringFlag::MAY_INCLUDE_ZONEID : 0) + ($supportNonDecimalIPv4 ? ParseStringFlag::IPV4_MAYBE_NON_DECIMAL : 0));
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse an IP address string.
|
||||
*
|
||||
* @param string|mixed $address the address to parse
|
||||
* @param int $flags A combination or zero or more flags
|
||||
*
|
||||
* @return \IPLib\Address\AddressInterface|null
|
||||
*
|
||||
* @see \IPLib\ParseStringFlag
|
||||
* @since 1.17.0
|
||||
*/
|
||||
public static function parseAddressString($address, $flags = 0)
|
||||
{
|
||||
$result = null;
|
||||
if ($result === null) {
|
||||
$result = Address\IPv4::parseString($address, $flags);
|
||||
}
|
||||
if ($result === null) {
|
||||
$result = Address\IPv6::parseString($address, $flags);
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert a byte array to an address instance.
|
||||
*
|
||||
* @param int[]|array $bytes
|
||||
*
|
||||
* @return \IPLib\Address\AddressInterface|null
|
||||
*/
|
||||
public static function addressFromBytes(array $bytes)
|
||||
{
|
||||
$result = null;
|
||||
if ($result === null) {
|
||||
$result = Address\IPv4::fromBytes($bytes);
|
||||
}
|
||||
if ($result === null) {
|
||||
$result = Address\IPv6::fromBytes($bytes);
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated since 1.17.0: use the parseRangeString() method instead.
|
||||
* For upgrading:
|
||||
* - if $supportNonDecimalIPv4 is true, use the ParseStringFlag::IPV4_MAYBE_NON_DECIMAL flag
|
||||
*
|
||||
* @param string|mixed $range
|
||||
* @param bool $supportNonDecimalIPv4
|
||||
*
|
||||
* @return \IPLib\Range\RangeInterface|null
|
||||
*
|
||||
* @see \IPLib\Factory::parseRangeString()
|
||||
* @since 1.10.0 added the $supportNonDecimalIPv4 argument
|
||||
*/
|
||||
public static function rangeFromString($range, $supportNonDecimalIPv4 = false)
|
||||
{
|
||||
return static::parseRangeString($range, $supportNonDecimalIPv4 ? ParseStringFlag::IPV4_MAYBE_NON_DECIMAL : 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse an IP range string.
|
||||
*
|
||||
* @param string $range
|
||||
* @param int $flags A combination or zero or more flags
|
||||
*
|
||||
* @return \IPLib\Range\RangeInterface|null
|
||||
*
|
||||
* @see \IPLib\ParseStringFlag
|
||||
* @since 1.17.0
|
||||
*/
|
||||
public static function parseRangeString($range, $flags = 0)
|
||||
{
|
||||
$result = null;
|
||||
if ($result === null) {
|
||||
$result = Range\Subnet::parseString($range, $flags);
|
||||
}
|
||||
if ($result === null) {
|
||||
$result = Range\Pattern::parseString($range, $flags);
|
||||
}
|
||||
if ($result === null) {
|
||||
$result = Range\Single::parseString($range, $flags);
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated since 1.17.0: use the getRangeFromBoundaries() method instead.
|
||||
* For upgrading:
|
||||
* - if $supportNonDecimalIPv4 is true, use the ParseStringFlag::IPV4_MAYBE_NON_DECIMAL flag
|
||||
*
|
||||
* @param string|\IPLib\Address\AddressInterface|mixed $from
|
||||
* @param string|\IPLib\Address\AddressInterface|mixed $to
|
||||
* @param bool $supportNonDecimalIPv4
|
||||
*
|
||||
* @return \IPLib\Address\AddressInterface|null
|
||||
*
|
||||
* @see \IPLib\Factory::getRangeFromBoundaries()
|
||||
* @since 1.2.0
|
||||
* @since 1.10.0 added the $supportNonDecimalIPv4 argument
|
||||
*/
|
||||
public static function rangeFromBoundaries($from, $to, $supportNonDecimalIPv4 = false)
|
||||
{
|
||||
return static::getRangeFromBoundaries($from, $to, ParseStringFlag::MAY_INCLUDE_PORT | ParseStringFlag::MAY_INCLUDE_ZONEID | ($supportNonDecimalIPv4 ? ParseStringFlag::IPV4_MAYBE_NON_DECIMAL : 0));
|
||||
}
|
||||
|
||||
/**
|
||||
* Create the smallest address range that comprises two addresses.
|
||||
*
|
||||
* @param string|\IPLib\Address\AddressInterface|mixed $from
|
||||
* @param string|\IPLib\Address\AddressInterface|mixed $to
|
||||
* @param int $flags A combination or zero or more flags
|
||||
*
|
||||
* @return \IPLib\Range\RangeInterface|null return NULL if $from and/or $to are invalid addresses, or if both are NULL or empty strings, or if they are addresses of different types
|
||||
*
|
||||
* @see \IPLib\ParseStringFlag
|
||||
* @since 1.17.0
|
||||
*/
|
||||
public static function getRangeFromBoundaries($from, $to, $flags = 0)
|
||||
{
|
||||
list($from, $to) = self::parseBoundaries($from, $to, $flags);
|
||||
|
||||
return $from === false || $to === false ? null : static::rangeFromBoundaryAddresses($from, $to);
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated since 1.17.0: use the getRangesFromBoundaries() method instead.
|
||||
* For upgrading:
|
||||
* - if $supportNonDecimalIPv4 is true, use the ParseStringFlag::IPV4_MAYBE_NON_DECIMAL flag
|
||||
*
|
||||
* @param string|\IPLib\Address\AddressInterface|mixed $from
|
||||
* @param string|\IPLib\Address\AddressInterface|mixed $to
|
||||
* @param bool $supportNonDecimalIPv4
|
||||
*
|
||||
* @return \IPLib\Range\Subnet[]|null
|
||||
*
|
||||
* @see \IPLib\Factory::getRangesFromBoundaries()
|
||||
* @since 1.14.0
|
||||
*/
|
||||
public static function rangesFromBoundaries($from, $to, $supportNonDecimalIPv4 = false)
|
||||
{
|
||||
return static::getRangesFromBoundaries($from, $to, ParseStringFlag::MAY_INCLUDE_PORT | ParseStringFlag::MAY_INCLUDE_ZONEID | ($supportNonDecimalIPv4 ? ParseStringFlag::IPV4_MAYBE_NON_DECIMAL : 0));
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a list of Range instances that exactly describes all the addresses between the two provided addresses.
|
||||
*
|
||||
* @param string|\IPLib\Address\AddressInterface $from
|
||||
* @param string|\IPLib\Address\AddressInterface $to
|
||||
* @param int $flags A combination or zero or more flags
|
||||
*
|
||||
* @return \IPLib\Range\Subnet[]|null return NULL if $from and/or $to are invalid addresses, or if both are NULL or empty strings, or if they are addresses of different types
|
||||
*
|
||||
* @see \IPLib\ParseStringFlag
|
||||
* @since 1.17.0
|
||||
*/
|
||||
public static function getRangesFromBoundaries($from, $to, $flags = 0)
|
||||
{
|
||||
list($from, $to) = self::parseBoundaries($from, $to, $flags);
|
||||
if ($from === false || $to === false || ($from === null && $to === null)) {
|
||||
return null;
|
||||
}
|
||||
if ($from === null || $to === null) {
|
||||
$address = $from ? $from : $to;
|
||||
|
||||
return array(new Subnet($address, $address, $address->getNumberOfBits()));
|
||||
}
|
||||
$numberOfBits = $from->getNumberOfBits();
|
||||
if ($to->getNumberOfBits() !== $numberOfBits) {
|
||||
return null;
|
||||
}
|
||||
$calculator = new RangesFromBoundaryCalculator($numberOfBits);
|
||||
|
||||
return $calculator->getRanges($from, $to);
|
||||
}
|
||||
|
||||
/**
|
||||
* @param \IPLib\Address\AddressInterface $from
|
||||
* @param \IPLib\Address\AddressInterface $to
|
||||
*
|
||||
* @return \IPLib\Range\RangeInterface|null
|
||||
*
|
||||
* @since 1.2.0
|
||||
*/
|
||||
protected static function rangeFromBoundaryAddresses(AddressInterface $from = null, AddressInterface $to = null)
|
||||
{
|
||||
if ($from === null && $to === null) {
|
||||
$result = null;
|
||||
} elseif ($to === null) {
|
||||
$result = Range\Single::fromAddress($from);
|
||||
} elseif ($from === null) {
|
||||
$result = Range\Single::fromAddress($to);
|
||||
} else {
|
||||
$result = null;
|
||||
$addressType = $from->getAddressType();
|
||||
if ($addressType === $to->getAddressType()) {
|
||||
$cmp = strcmp($from->getComparableString(), $to->getComparableString());
|
||||
if ($cmp === 0) {
|
||||
$result = Range\Single::fromAddress($from);
|
||||
} else {
|
||||
if ($cmp > 0) {
|
||||
list($from, $to) = array($to, $from);
|
||||
}
|
||||
$fromBytes = $from->getBytes();
|
||||
$toBytes = $to->getBytes();
|
||||
$numBytes = count($fromBytes);
|
||||
$sameBits = 0;
|
||||
for ($byteIndex = 0; $byteIndex < $numBytes; $byteIndex++) {
|
||||
$fromByte = $fromBytes[$byteIndex];
|
||||
$toByte = $toBytes[$byteIndex];
|
||||
if ($fromByte === $toByte) {
|
||||
$sameBits += 8;
|
||||
} else {
|
||||
$differentBitsInByte = decbin($fromByte ^ $toByte);
|
||||
$sameBits += 8 - strlen($differentBitsInByte);
|
||||
break;
|
||||
}
|
||||
}
|
||||
$result = static::parseRangeString($from->toString() . '/' . (string) $sameBits);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param string|\IPLib\Address\AddressInterface $from
|
||||
* @param string|\IPLib\Address\AddressInterface $to
|
||||
* @param int $flags
|
||||
*
|
||||
* @return \IPLib\Address\AddressInterface[]|null[]|false[]
|
||||
*/
|
||||
private static function parseBoundaries($from, $to, $flags = 0)
|
||||
{
|
||||
$result = array();
|
||||
foreach (array('from', 'to') as $param) {
|
||||
$value = $$param;
|
||||
if (!($value instanceof AddressInterface)) {
|
||||
$value = (string) $value;
|
||||
if ($value === '') {
|
||||
$value = null;
|
||||
} else {
|
||||
$value = static::parseAddressString($value, $flags);
|
||||
if ($value === null) {
|
||||
$value = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
$result[] = $value;
|
||||
}
|
||||
if ($result[0] && $result[1] && strcmp($result[0]->getComparableString(), $result[1]->getComparableString()) > 0) {
|
||||
$result = array($result[1], $result[0]);
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
}
|
||||
+79
@@ -0,0 +1,79 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib;
|
||||
|
||||
/**
|
||||
* Flags for the parseString() methods.
|
||||
*
|
||||
* @since 1.17.0
|
||||
*/
|
||||
class ParseStringFlag
|
||||
{
|
||||
/**
|
||||
* Use this flag if the input string may include the port.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const MAY_INCLUDE_PORT = 1;
|
||||
|
||||
/**
|
||||
* Use this flag if the input string may include a zone ID.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const MAY_INCLUDE_ZONEID = 2;
|
||||
|
||||
/**
|
||||
* Use this flag if IPv4 addresses may be in decimal/octal/hexadecimal format.
|
||||
* This notation is accepted by the implementation of inet_aton and inet_addr of the libc implementation of GNU, Windows and Mac (but not Musl), but not by inet_pton and ip2long.
|
||||
*
|
||||
* @var int
|
||||
*
|
||||
* @example 1.08.0x10.0 => 5.0.0.1
|
||||
* @example 5.256 => 5.0.1.0
|
||||
* @example 5.0.256 => 5.0.1.0
|
||||
* @example 123456789 => 7.91.205.21
|
||||
*/
|
||||
const IPV4_MAYBE_NON_DECIMAL = 4;
|
||||
|
||||
/**
|
||||
* Use this flag if IPv4 subnet ranges may be in compact form.
|
||||
*
|
||||
* @example 127/24 => 127.0.0.0/24
|
||||
* @example 10/8 => 10.0.0.0/8
|
||||
* @example 10/24 => 10.0.0.0/24
|
||||
* @example 10.10.10/24 => 10.10.10.0/24
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const IPV4SUBNET_MAYBE_COMPACT = 8;
|
||||
|
||||
/**
|
||||
* Use this flag if IPv4 addresses may be in non quad-dotted notation.
|
||||
* This notation is accepted by the implementation of inet_aton and inet_addr of the libc implementation of GNU, Windows and Mac (but not Musl), but not by inet_pton and ip2long.
|
||||
*
|
||||
* @var int
|
||||
*
|
||||
* @example 5.1 => 5.0.0.1
|
||||
* @example 5.256 => 5.0.1.0
|
||||
* @example 5.0.256 => 5.0.1.0
|
||||
* @example 123456789 => 7.91.205.21
|
||||
*
|
||||
* @see https://man7.org/linux/man-pages/man3/inet_addr.3.html#DESCRIPTION
|
||||
* @see https://www.freebsd.org/cgi/man.cgi?query=inet_net&sektion=3&apropos=0&manpath=FreeBSD+12.2-RELEASE+and+Ports#end
|
||||
* @see http://git.musl-libc.org/cgit/musl/tree/src/network/inet_aton.c?h=v1.2.2
|
||||
*/
|
||||
const IPV4ADDRESS_MAYBE_NON_QUAD_DOTTED = 16;
|
||||
|
||||
/**
|
||||
* Use this flag if you want to accept parsing IPv4/IPv6 addresses in Reverse DNS Lookup Address format.
|
||||
*
|
||||
* @var int
|
||||
*
|
||||
* @since 1.18.0
|
||||
*
|
||||
* @example 140.13.12.10.in-addr.arpa => 10.12.13.140
|
||||
* @example b.a.9.8.7.6.5.0.4.0.0.0.3.0.0.0.2.0.0.0.1.0.0.0.0.0.0.0.1.2.3.4.ip6.arpa => 4321:0:1:2:3:4:567:89ab
|
||||
*/
|
||||
const ADDRESS_MAYBE_RDNS = 32;
|
||||
}
|
||||
+125
@@ -0,0 +1,125 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Range;
|
||||
|
||||
use IPLib\Address\AddressInterface;
|
||||
use IPLib\Address\IPv4;
|
||||
use IPLib\Address\IPv6;
|
||||
use IPLib\Address\Type as AddressType;
|
||||
use IPLib\Factory;
|
||||
|
||||
/**
|
||||
* Base class for range classes.
|
||||
*/
|
||||
abstract class AbstractRange implements RangeInterface
|
||||
{
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getRangeType()
|
||||
*/
|
||||
public function getRangeType()
|
||||
{
|
||||
if ($this->rangeType === null) {
|
||||
$addressType = $this->getAddressType();
|
||||
if ($addressType === AddressType::T_IPv6 && Subnet::get6to4()->containsRange($this)) {
|
||||
$this->rangeType = Factory::getRangeFromBoundaries($this->fromAddress->toIPv4(), $this->toAddress->toIPv4())->getRangeType();
|
||||
} else {
|
||||
switch ($addressType) {
|
||||
case AddressType::T_IPv4:
|
||||
$defaultType = IPv4::getDefaultReservedRangeType();
|
||||
$reservedRanges = IPv4::getReservedRanges();
|
||||
break;
|
||||
case AddressType::T_IPv6:
|
||||
$defaultType = IPv6::getDefaultReservedRangeType();
|
||||
$reservedRanges = IPv6::getReservedRanges();
|
||||
break;
|
||||
default:
|
||||
throw new \Exception('@todo'); // @codeCoverageIgnore
|
||||
}
|
||||
$rangeType = null;
|
||||
foreach ($reservedRanges as $reservedRange) {
|
||||
$rangeType = $reservedRange->getRangeType($this);
|
||||
if ($rangeType !== null) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
$this->rangeType = $rangeType === null ? $defaultType : $rangeType;
|
||||
}
|
||||
}
|
||||
|
||||
return $this->rangeType === false ? null : $this->rangeType;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getAddressAtOffset()
|
||||
*/
|
||||
public function getAddressAtOffset($n)
|
||||
{
|
||||
if (!is_int($n)) {
|
||||
return null;
|
||||
}
|
||||
|
||||
$address = null;
|
||||
if ($n >= 0) {
|
||||
$start = Factory::parseAddressString($this->getComparableStartString());
|
||||
$address = $start->getAddressAtOffset($n);
|
||||
} else {
|
||||
$end = Factory::parseAddressString($this->getComparableEndString());
|
||||
$address = $end->getAddressAtOffset($n + 1);
|
||||
}
|
||||
|
||||
if ($address === null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return $this->contains($address) ? $address : null;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::contains()
|
||||
*/
|
||||
public function contains(AddressInterface $address)
|
||||
{
|
||||
$result = false;
|
||||
if ($address->getAddressType() === $this->getAddressType()) {
|
||||
$cmp = $address->getComparableString();
|
||||
$from = $this->getComparableStartString();
|
||||
if ($cmp >= $from) {
|
||||
$to = $this->getComparableEndString();
|
||||
if ($cmp <= $to) {
|
||||
$result = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::containsRange()
|
||||
*/
|
||||
public function containsRange(RangeInterface $range)
|
||||
{
|
||||
$result = false;
|
||||
if ($range->getAddressType() === $this->getAddressType()) {
|
||||
$myStart = $this->getComparableStartString();
|
||||
$itsStart = $range->getComparableStartString();
|
||||
if ($itsStart >= $myStart) {
|
||||
$myEnd = $this->getComparableEndString();
|
||||
$itsEnd = $range->getComparableEndString();
|
||||
if ($itsEnd <= $myEnd) {
|
||||
$result = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
}
|
||||
+322
@@ -0,0 +1,322 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Range;
|
||||
|
||||
use IPLib\Address\AddressInterface;
|
||||
use IPLib\Address\IPv4;
|
||||
use IPLib\Address\IPv6;
|
||||
use IPLib\Address\Type as AddressType;
|
||||
use IPLib\ParseStringFlag;
|
||||
|
||||
/**
|
||||
* Represents an address range in pattern format (only ending asterisks are supported).
|
||||
*
|
||||
* @example 127.0.*.*
|
||||
* @example ::/8
|
||||
*/
|
||||
class Pattern extends AbstractRange
|
||||
{
|
||||
/**
|
||||
* Starting address of the range.
|
||||
*
|
||||
* @var \IPLib\Address\AddressInterface
|
||||
*/
|
||||
protected $fromAddress;
|
||||
|
||||
/**
|
||||
* Final address of the range.
|
||||
*
|
||||
* @var \IPLib\Address\AddressInterface
|
||||
*/
|
||||
protected $toAddress;
|
||||
|
||||
/**
|
||||
* Number of ending asterisks.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
protected $asterisksCount;
|
||||
|
||||
/**
|
||||
* The type of the range of this IP range.
|
||||
*
|
||||
* @var int|false|null false if this range crosses multiple range types, null if yet to be determined
|
||||
*
|
||||
* @since 1.5.0
|
||||
*/
|
||||
protected $rangeType;
|
||||
|
||||
/**
|
||||
* Initializes the instance.
|
||||
*
|
||||
* @param \IPLib\Address\AddressInterface $fromAddress
|
||||
* @param \IPLib\Address\AddressInterface $toAddress
|
||||
* @param int $asterisksCount
|
||||
*/
|
||||
public function __construct(AddressInterface $fromAddress, AddressInterface $toAddress, $asterisksCount)
|
||||
{
|
||||
$this->fromAddress = $fromAddress;
|
||||
$this->toAddress = $toAddress;
|
||||
$this->asterisksCount = $asterisksCount;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::__toString()
|
||||
*/
|
||||
public function __toString()
|
||||
{
|
||||
return $this->toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated since 1.17.0: use the parseString() method instead.
|
||||
* For upgrading:
|
||||
* - if $supportNonDecimalIPv4 is true, use the ParseStringFlag::IPV4_MAYBE_NON_DECIMAL flag
|
||||
*
|
||||
* @param string|mixed $range
|
||||
* @param bool $supportNonDecimalIPv4
|
||||
*
|
||||
* @return static|null
|
||||
*
|
||||
* @see \IPLib\Range\Pattern::parseString()
|
||||
* @since 1.10.0 added the $supportNonDecimalIPv4 argument
|
||||
*/
|
||||
public static function fromString($range, $supportNonDecimalIPv4 = false)
|
||||
{
|
||||
return static::parseString($range, ParseStringFlag::MAY_INCLUDE_PORT | ParseStringFlag::MAY_INCLUDE_ZONEID | ($supportNonDecimalIPv4 ? ParseStringFlag::IPV4_MAYBE_NON_DECIMAL : 0));
|
||||
}
|
||||
|
||||
/**
|
||||
* Try get the range instance starting from its string representation.
|
||||
*
|
||||
* @param string|mixed $range
|
||||
* @param int $flags A combination or zero or more flags
|
||||
*
|
||||
* @return static|null
|
||||
*
|
||||
* @since 1.17.0
|
||||
* @see \IPLib\ParseStringFlag
|
||||
*/
|
||||
public static function parseString($range, $flags = 0)
|
||||
{
|
||||
if (!is_string($range) || strpos($range, '*') === false) {
|
||||
return null;
|
||||
}
|
||||
if ($range === '*.*.*.*') {
|
||||
return new static(IPv4::parseString('0.0.0.0'), IPv4::parseString('255.255.255.255'), 4);
|
||||
}
|
||||
if ($range === '*:*:*:*:*:*:*:*') {
|
||||
return new static(IPv6::parseString('::'), IPv6::parseString('ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff'), 8);
|
||||
}
|
||||
$matches = null;
|
||||
if (strpos($range, '.') !== false && preg_match('/^[^*]+((?:\.\*)+)$/', $range, $matches)) {
|
||||
$asterisksCount = strlen($matches[1]) >> 1;
|
||||
if ($asterisksCount > 0) {
|
||||
$missingDots = 3 - substr_count($range, '.');
|
||||
if ($missingDots > 0) {
|
||||
$range .= str_repeat('.*', $missingDots);
|
||||
$asterisksCount += $missingDots;
|
||||
}
|
||||
}
|
||||
$fromAddress = IPv4::parseString(str_replace('*', '0', $range), $flags);
|
||||
if ($fromAddress === null) {
|
||||
return null;
|
||||
}
|
||||
$fixedBytes = array_slice($fromAddress->getBytes(), 0, -$asterisksCount);
|
||||
$otherBytes = array_fill(0, $asterisksCount, 255);
|
||||
$toAddress = IPv4::fromBytes(array_merge($fixedBytes, $otherBytes));
|
||||
|
||||
return new static($fromAddress, $toAddress, $asterisksCount);
|
||||
}
|
||||
if (strpos($range, ':') !== false && preg_match('/^[^*]+((?::\*)+)$/', $range, $matches)) {
|
||||
$asterisksCount = strlen($matches[1]) >> 1;
|
||||
$fromAddress = IPv6::parseString(str_replace('*', '0', $range));
|
||||
if ($fromAddress === null) {
|
||||
return null;
|
||||
}
|
||||
$fixedWords = array_slice($fromAddress->getWords(), 0, -$asterisksCount);
|
||||
$otherWords = array_fill(0, $asterisksCount, 0xffff);
|
||||
$toAddress = IPv6::fromWords(array_merge($fixedWords, $otherWords));
|
||||
|
||||
return new static($fromAddress, $toAddress, $asterisksCount);
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::toString()
|
||||
*/
|
||||
public function toString($long = false)
|
||||
{
|
||||
if ($this->asterisksCount === 0) {
|
||||
return $this->fromAddress->toString($long);
|
||||
}
|
||||
switch (true) {
|
||||
case $this->fromAddress instanceof \IPLib\Address\IPv4:
|
||||
$chunks = explode('.', $this->fromAddress->toString());
|
||||
$chunks = array_slice($chunks, 0, -$this->asterisksCount);
|
||||
$chunks = array_pad($chunks, 4, '*');
|
||||
$result = implode('.', $chunks);
|
||||
break;
|
||||
case $this->fromAddress instanceof \IPLib\Address\IPv6:
|
||||
if ($long) {
|
||||
$chunks = explode(':', $this->fromAddress->toString(true));
|
||||
$chunks = array_slice($chunks, 0, -$this->asterisksCount);
|
||||
$chunks = array_pad($chunks, 8, '*');
|
||||
$result = implode(':', $chunks);
|
||||
} elseif ($this->asterisksCount === 8) {
|
||||
$result = '*:*:*:*:*:*:*:*';
|
||||
} else {
|
||||
$bytes = $this->toAddress->getBytes();
|
||||
$bytes = array_slice($bytes, 0, -$this->asterisksCount * 2);
|
||||
$bytes = array_pad($bytes, 16, 1);
|
||||
$address = IPv6::fromBytes($bytes);
|
||||
$before = substr($address->toString(false), 0, -strlen(':101') * $this->asterisksCount);
|
||||
$result = $before . str_repeat(':*', $this->asterisksCount);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
throw new \Exception('@todo'); // @codeCoverageIgnore
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getAddressType()
|
||||
*/
|
||||
public function getAddressType()
|
||||
{
|
||||
return $this->fromAddress->getAddressType();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getStartAddress()
|
||||
*/
|
||||
public function getStartAddress()
|
||||
{
|
||||
return $this->fromAddress;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getEndAddress()
|
||||
*/
|
||||
public function getEndAddress()
|
||||
{
|
||||
return $this->toAddress;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getComparableStartString()
|
||||
*/
|
||||
public function getComparableStartString()
|
||||
{
|
||||
return $this->fromAddress->getComparableString();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getComparableEndString()
|
||||
*/
|
||||
public function getComparableEndString()
|
||||
{
|
||||
return $this->toAddress->getComparableString();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::asSubnet()
|
||||
* @since 1.8.0
|
||||
*/
|
||||
public function asSubnet()
|
||||
{
|
||||
return new Subnet($this->getStartAddress(), $this->getEndAddress(), $this->getNetworkPrefix());
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::asPattern()
|
||||
*/
|
||||
public function asPattern()
|
||||
{
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getSubnetMask()
|
||||
*/
|
||||
public function getSubnetMask()
|
||||
{
|
||||
if ($this->getAddressType() !== AddressType::T_IPv4) {
|
||||
return null;
|
||||
}
|
||||
switch ($this->asterisksCount) {
|
||||
case 0:
|
||||
$bytes = array(255, 255, 255, 255);
|
||||
break;
|
||||
case 4:
|
||||
$bytes = array(0, 0, 0, 0);
|
||||
break;
|
||||
default:
|
||||
$bytes = array_pad(array_fill(0, 4 - $this->asterisksCount, 255), 4, 0);
|
||||
break;
|
||||
}
|
||||
|
||||
return IPv4::fromBytes($bytes);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getReverseDNSLookupName()
|
||||
*/
|
||||
public function getReverseDNSLookupName()
|
||||
{
|
||||
return $this->asterisksCount === 0 ? array($this->getStartAddress()->getReverseDNSLookupName()) : $this->asSubnet()->getReverseDNSLookupName();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getSize()
|
||||
*/
|
||||
public function getSize()
|
||||
{
|
||||
$fromAddress = $this->fromAddress;
|
||||
$maxPrefix = $fromAddress::getNumberOfBits();
|
||||
$prefix = $this->getNetworkPrefix();
|
||||
|
||||
return pow(2, ($maxPrefix - $prefix));
|
||||
}
|
||||
|
||||
/**
|
||||
* @return float|int
|
||||
*/
|
||||
private function getNetworkPrefix()
|
||||
{
|
||||
switch ($this->getAddressType()) {
|
||||
case AddressType::T_IPv4:
|
||||
return 8 * (4 - $this->asterisksCount);
|
||||
case AddressType::T_IPv6:
|
||||
return 16 * (8 - $this->asterisksCount);
|
||||
}
|
||||
}
|
||||
}
|
||||
+160
@@ -0,0 +1,160 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Range;
|
||||
|
||||
use IPLib\Address\AddressInterface;
|
||||
|
||||
/**
|
||||
* Interface of all the range types.
|
||||
*/
|
||||
interface RangeInterface
|
||||
{
|
||||
/**
|
||||
* Get the short string representation of this address.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function __toString();
|
||||
|
||||
/**
|
||||
* Get the string representation of this address.
|
||||
*
|
||||
* @param bool $long set to true to have a long/full representation, false otherwise
|
||||
*
|
||||
* @return string
|
||||
*
|
||||
* @example If $long is true, you'll get '0000:0000:0000:0000:0000:0000:0000:0001/128', '::1/128' otherwise.
|
||||
*/
|
||||
public function toString($long = false);
|
||||
|
||||
/**
|
||||
* Get the type of the IP addresses contained in this range.
|
||||
*
|
||||
* @return int One of the \IPLib\Address\Type::T_... constants
|
||||
*/
|
||||
public function getAddressType();
|
||||
|
||||
/**
|
||||
* Get the type of range of the IP address.
|
||||
*
|
||||
* @return int One of the \IPLib\Range\Type::T_... constants
|
||||
*
|
||||
* @since 1.5.0
|
||||
*/
|
||||
public function getRangeType();
|
||||
|
||||
/**
|
||||
* Get the address at a certain offset of this range.
|
||||
*
|
||||
* @param int $n the offset of the address (support negative offset)
|
||||
*
|
||||
* @return \IPLib\Address\AddressInterface|null return NULL if $n is not an integer or if the offset out of range
|
||||
*
|
||||
* @since 1.15.0
|
||||
*
|
||||
* @example passing 256 to the range 127.0.0.0/16 will result in 127.0.1.0
|
||||
* @example passing -1 to the range 127.0.1.0/16 will result in 127.0.255.255
|
||||
* @example passing 256 to the range 127.0.0.0/24 will result in NULL
|
||||
*/
|
||||
public function getAddressAtOffset($n);
|
||||
|
||||
/**
|
||||
* Check if this range contains an IP address.
|
||||
*
|
||||
* @param \IPLib\Address\AddressInterface $address
|
||||
*
|
||||
* @return bool
|
||||
*/
|
||||
public function contains(AddressInterface $address);
|
||||
|
||||
/**
|
||||
* Check if this range contains another range.
|
||||
*
|
||||
* @param \IPLib\Range\RangeInterface $range
|
||||
*
|
||||
* @return bool
|
||||
*
|
||||
* @since 1.5.0
|
||||
*/
|
||||
public function containsRange(RangeInterface $range);
|
||||
|
||||
/**
|
||||
* Get the initial address contained in this range.
|
||||
*
|
||||
* @return \IPLib\Address\AddressInterface
|
||||
*
|
||||
* @since 1.4.0
|
||||
*/
|
||||
public function getStartAddress();
|
||||
|
||||
/**
|
||||
* Get the final address contained in this range.
|
||||
*
|
||||
* @return \IPLib\Address\AddressInterface
|
||||
*
|
||||
* @since 1.4.0
|
||||
*/
|
||||
public function getEndAddress();
|
||||
|
||||
/**
|
||||
* Get a string representation of the starting address of this range than can be used when comparing addresses and ranges.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getComparableStartString();
|
||||
|
||||
/**
|
||||
* Get a string representation of the final address of this range than can be used when comparing addresses and ranges.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getComparableEndString();
|
||||
|
||||
/**
|
||||
* Get the subnet mask representing this range (only for IPv4 ranges).
|
||||
*
|
||||
* @return \IPLib\Address\IPv4|null return NULL if the range is an IPv6 range, the subnet mask otherwise
|
||||
*
|
||||
* @since 1.8.0
|
||||
*/
|
||||
public function getSubnetMask();
|
||||
|
||||
/**
|
||||
* Get the subnet/CIDR representation of this range.
|
||||
*
|
||||
* @return \IPLib\Range\Subnet
|
||||
*
|
||||
* @since 1.13.0
|
||||
*/
|
||||
public function asSubnet();
|
||||
|
||||
/**
|
||||
* Get the pattern/asterisk representation (if applicable) of this range.
|
||||
*
|
||||
* @return \IPLib\Range\Pattern|null return NULL if this range can't be represented by a pattern notation
|
||||
*
|
||||
* @since 1.13.0
|
||||
*/
|
||||
public function asPattern();
|
||||
|
||||
/**
|
||||
* Get the Reverse DNS Lookup Addresses of this IP range.
|
||||
*
|
||||
* @return string[]
|
||||
*
|
||||
* @since 1.13.0
|
||||
*
|
||||
* @example for IPv4 it returns something like array('x.x.x.x.in-addr.arpa', 'x.x.x.x.in-addr.arpa') (where the number of 'x.' ranges from 1 to 4)
|
||||
* @example for IPv6 it returns something like array('x.x.x.x..x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.ip6.arpa', 'x.x.x.x..x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.x.ip6.arpa') (where the number of 'x.' ranges from 1 to 32)
|
||||
*/
|
||||
public function getReverseDNSLookupName();
|
||||
|
||||
/**
|
||||
* Get the count of addresses this IP range contains.
|
||||
*
|
||||
* @return int|float Return float as for huge IPv6 networks, int is not enough
|
||||
*
|
||||
* @since 1.16.0
|
||||
*/
|
||||
public function getSize();
|
||||
}
|
||||
+244
@@ -0,0 +1,244 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Range;
|
||||
|
||||
use IPLib\Address\AddressInterface;
|
||||
use IPLib\Address\IPv4;
|
||||
use IPLib\Address\Type as AddressType;
|
||||
use IPLib\Factory;
|
||||
use IPLib\ParseStringFlag;
|
||||
|
||||
/**
|
||||
* Represents a single address (eg a range that contains just one address).
|
||||
*
|
||||
* @example 127.0.0.1
|
||||
* @example ::1
|
||||
*/
|
||||
class Single extends AbstractRange
|
||||
{
|
||||
/**
|
||||
* @var \IPLib\Address\AddressInterface
|
||||
*/
|
||||
protected $address;
|
||||
|
||||
/**
|
||||
* Initializes the instance.
|
||||
*
|
||||
* @param \IPLib\Address\AddressInterface $address
|
||||
*/
|
||||
protected function __construct(AddressInterface $address)
|
||||
{
|
||||
$this->address = $address;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::__toString()
|
||||
*/
|
||||
public function __toString()
|
||||
{
|
||||
return $this->address->__toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated since 1.17.0: use the parseString() method instead.
|
||||
* For upgrading:
|
||||
* - if $supportNonDecimalIPv4 is true, use the ParseStringFlag::IPV4_MAYBE_NON_DECIMAL flag
|
||||
*
|
||||
* @param string|mixed $range
|
||||
* @param bool $supportNonDecimalIPv4
|
||||
*
|
||||
* @return static|null
|
||||
*
|
||||
* @see \IPLib\Range\Single::parseString()
|
||||
* @since 1.10.0 added the $supportNonDecimalIPv4 argument
|
||||
*/
|
||||
public static function fromString($range, $supportNonDecimalIPv4 = false)
|
||||
{
|
||||
return static::parseString($range, ParseStringFlag::MAY_INCLUDE_PORT | ParseStringFlag::MAY_INCLUDE_ZONEID | ($supportNonDecimalIPv4 ? ParseStringFlag::IPV4_MAYBE_NON_DECIMAL : 0));
|
||||
}
|
||||
|
||||
/**
|
||||
* Try get the range instance starting from its string representation.
|
||||
*
|
||||
* @param string|mixed $range
|
||||
* @param int $flags A combination or zero or more flags
|
||||
*
|
||||
* @return static|null
|
||||
*
|
||||
* @see \IPLib\ParseStringFlag
|
||||
* @since 1.17.0
|
||||
*/
|
||||
public static function parseString($range, $flags = 0)
|
||||
{
|
||||
$result = null;
|
||||
$flags = (int) $flags;
|
||||
$address = Factory::parseAddressString($range, $flags);
|
||||
if ($address !== null) {
|
||||
$result = new static($address);
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create the range instance starting from an address instance.
|
||||
*
|
||||
* @param \IPLib\Address\AddressInterface $address
|
||||
*
|
||||
* @return static
|
||||
*
|
||||
* @since 1.2.0
|
||||
*/
|
||||
public static function fromAddress(AddressInterface $address)
|
||||
{
|
||||
return new static($address);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::toString()
|
||||
*/
|
||||
public function toString($long = false)
|
||||
{
|
||||
return $this->address->toString($long);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getAddressType()
|
||||
*/
|
||||
public function getAddressType()
|
||||
{
|
||||
return $this->address->getAddressType();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getRangeType()
|
||||
*/
|
||||
public function getRangeType()
|
||||
{
|
||||
return $this->address->getRangeType();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::contains()
|
||||
*/
|
||||
public function contains(AddressInterface $address)
|
||||
{
|
||||
$result = false;
|
||||
if ($address->getAddressType() === $this->getAddressType()) {
|
||||
if ($address->toString(false) === $this->address->toString(false)) {
|
||||
$result = true;
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getStartAddress()
|
||||
*/
|
||||
public function getStartAddress()
|
||||
{
|
||||
return $this->address;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getEndAddress()
|
||||
*/
|
||||
public function getEndAddress()
|
||||
{
|
||||
return $this->address;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getComparableStartString()
|
||||
*/
|
||||
public function getComparableStartString()
|
||||
{
|
||||
return $this->address->getComparableString();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getComparableEndString()
|
||||
*/
|
||||
public function getComparableEndString()
|
||||
{
|
||||
return $this->address->getComparableString();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::asSubnet()
|
||||
*/
|
||||
public function asSubnet()
|
||||
{
|
||||
$networkPrefixes = array(
|
||||
AddressType::T_IPv4 => 32,
|
||||
AddressType::T_IPv6 => 128,
|
||||
);
|
||||
|
||||
return new Subnet($this->address, $this->address, $networkPrefixes[$this->address->getAddressType()]);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::asPattern()
|
||||
*/
|
||||
public function asPattern()
|
||||
{
|
||||
return new Pattern($this->address, $this->address, 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getSubnetMask()
|
||||
*/
|
||||
public function getSubnetMask()
|
||||
{
|
||||
if ($this->getAddressType() !== AddressType::T_IPv4) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return IPv4::fromBytes(array(255, 255, 255, 255));
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getReverseDNSLookupName()
|
||||
*/
|
||||
public function getReverseDNSLookupName()
|
||||
{
|
||||
return array($this->getStartAddress()->getReverseDNSLookupName());
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getSize()
|
||||
*/
|
||||
public function getSize()
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
+354
@@ -0,0 +1,354 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Range;
|
||||
|
||||
use IPLib\Address\AddressInterface;
|
||||
use IPLib\Address\IPv4;
|
||||
use IPLib\Address\Type as AddressType;
|
||||
use IPLib\Factory;
|
||||
use IPLib\ParseStringFlag;
|
||||
|
||||
/**
|
||||
* Represents an address range in subnet format (eg CIDR).
|
||||
*
|
||||
* @example 127.0.0.1/32
|
||||
* @example ::/8
|
||||
*/
|
||||
class Subnet extends AbstractRange
|
||||
{
|
||||
/**
|
||||
* Starting address of the range.
|
||||
*
|
||||
* @var \IPLib\Address\AddressInterface
|
||||
*/
|
||||
protected $fromAddress;
|
||||
|
||||
/**
|
||||
* Final address of the range.
|
||||
*
|
||||
* @var \IPLib\Address\AddressInterface
|
||||
*/
|
||||
protected $toAddress;
|
||||
|
||||
/**
|
||||
* Number of the same bits of the range.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
protected $networkPrefix;
|
||||
|
||||
/**
|
||||
* The type of the range of this IP range.
|
||||
*
|
||||
* @var int|null
|
||||
*
|
||||
* @since 1.5.0
|
||||
*/
|
||||
protected $rangeType;
|
||||
|
||||
/**
|
||||
* The 6to4 address IPv6 address range.
|
||||
*
|
||||
* @var self|null
|
||||
*/
|
||||
private static $sixToFour;
|
||||
|
||||
/**
|
||||
* Initializes the instance.
|
||||
*
|
||||
* @param \IPLib\Address\AddressInterface $fromAddress
|
||||
* @param \IPLib\Address\AddressInterface $toAddress
|
||||
* @param int $networkPrefix
|
||||
*
|
||||
* @internal
|
||||
*/
|
||||
public function __construct(AddressInterface $fromAddress, AddressInterface $toAddress, $networkPrefix)
|
||||
{
|
||||
$this->fromAddress = $fromAddress;
|
||||
$this->toAddress = $toAddress;
|
||||
$this->networkPrefix = $networkPrefix;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::__toString()
|
||||
*/
|
||||
public function __toString()
|
||||
{
|
||||
return $this->toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated since 1.17.0: use the parseString() method instead.
|
||||
* For upgrading:
|
||||
* - if $supportNonDecimalIPv4 is true, use the ParseStringFlag::IPV4_MAYBE_NON_DECIMAL flag
|
||||
*
|
||||
* @param string|mixed $range
|
||||
* @param bool $supportNonDecimalIPv4
|
||||
*
|
||||
* @return static|null
|
||||
*
|
||||
* @see \IPLib\Range\Subnet::parseString()
|
||||
* @since 1.10.0 added the $supportNonDecimalIPv4 argument
|
||||
*/
|
||||
public static function fromString($range, $supportNonDecimalIPv4 = false)
|
||||
{
|
||||
return static::parseString($range, ParseStringFlag::MAY_INCLUDE_PORT | ParseStringFlag::MAY_INCLUDE_ZONEID | ($supportNonDecimalIPv4 ? ParseStringFlag::IPV4_MAYBE_NON_DECIMAL : 0));
|
||||
}
|
||||
|
||||
/**
|
||||
* Try get the range instance starting from its string representation.
|
||||
*
|
||||
* @param string|mixed $range
|
||||
* @param int $flags A combination or zero or more flags
|
||||
*
|
||||
* @return static|null
|
||||
*
|
||||
* @see \IPLib\ParseStringFlag
|
||||
* @since 1.17.0
|
||||
*/
|
||||
public static function parseString($range, $flags = 0)
|
||||
{
|
||||
if (!is_string($range)) {
|
||||
return null;
|
||||
}
|
||||
$parts = explode('/', $range);
|
||||
if (count($parts) !== 2) {
|
||||
return null;
|
||||
}
|
||||
$flags = (int) $flags;
|
||||
if (strpos($parts[0], ':') === false && $flags & ParseStringFlag::IPV4SUBNET_MAYBE_COMPACT) {
|
||||
$missingDots = 3 - substr_count($parts[0], '.');
|
||||
if ($missingDots > 0) {
|
||||
$parts[0] .= str_repeat('.0', $missingDots);
|
||||
}
|
||||
}
|
||||
$address = Factory::parseAddressString($parts[0], $flags);
|
||||
if ($address === null) {
|
||||
return null;
|
||||
}
|
||||
if (!preg_match('/^[0-9]{1,9}$/', $parts[1])) {
|
||||
return null;
|
||||
}
|
||||
$networkPrefix = (int) $parts[1];
|
||||
$addressBytes = $address->getBytes();
|
||||
$totalBytes = count($addressBytes);
|
||||
$numDifferentBits = $totalBytes * 8 - $networkPrefix;
|
||||
if ($numDifferentBits < 0) {
|
||||
return null;
|
||||
}
|
||||
$numSameBytes = $networkPrefix >> 3;
|
||||
$sameBytes = array_slice($addressBytes, 0, $numSameBytes);
|
||||
$differentBytesStart = ($totalBytes === $numSameBytes) ? array() : array_fill(0, $totalBytes - $numSameBytes, 0);
|
||||
$differentBytesEnd = ($totalBytes === $numSameBytes) ? array() : array_fill(0, $totalBytes - $numSameBytes, 255);
|
||||
$startSameBits = $networkPrefix % 8;
|
||||
if ($startSameBits !== 0) {
|
||||
$varyingByte = $addressBytes[$numSameBytes];
|
||||
$differentBytesStart[0] = $varyingByte & bindec(str_pad(str_repeat('1', $startSameBits), 8, '0', STR_PAD_RIGHT));
|
||||
$differentBytesEnd[0] = $differentBytesStart[0] + bindec(str_repeat('1', 8 - $startSameBits));
|
||||
}
|
||||
|
||||
return new static(
|
||||
Factory::addressFromBytes(array_merge($sameBytes, $differentBytesStart)),
|
||||
Factory::addressFromBytes(array_merge($sameBytes, $differentBytesEnd)),
|
||||
$networkPrefix
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::toString()
|
||||
*/
|
||||
public function toString($long = false)
|
||||
{
|
||||
return $this->fromAddress->toString($long) . '/' . $this->networkPrefix;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getAddressType()
|
||||
*/
|
||||
public function getAddressType()
|
||||
{
|
||||
return $this->fromAddress->getAddressType();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getStartAddress()
|
||||
*/
|
||||
public function getStartAddress()
|
||||
{
|
||||
return $this->fromAddress;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getEndAddress()
|
||||
*/
|
||||
public function getEndAddress()
|
||||
{
|
||||
return $this->toAddress;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getComparableStartString()
|
||||
*/
|
||||
public function getComparableStartString()
|
||||
{
|
||||
return $this->fromAddress->getComparableString();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getComparableEndString()
|
||||
*/
|
||||
public function getComparableEndString()
|
||||
{
|
||||
return $this->toAddress->getComparableString();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::asSubnet()
|
||||
*/
|
||||
public function asSubnet()
|
||||
{
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::asPattern()
|
||||
* @since 1.8.0
|
||||
*/
|
||||
public function asPattern()
|
||||
{
|
||||
$address = $this->getStartAddress();
|
||||
$networkPrefix = $this->getNetworkPrefix();
|
||||
switch ($address->getAddressType()) {
|
||||
case AddressType::T_IPv4:
|
||||
return $networkPrefix % 8 === 0 ? new Pattern($address, $address, 4 - $networkPrefix / 8) : null;
|
||||
case AddressType::T_IPv6:
|
||||
return $networkPrefix % 16 === 0 ? new Pattern($address, $address, 8 - $networkPrefix / 16) : null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the 6to4 address IPv6 address range.
|
||||
*
|
||||
* @return self
|
||||
*
|
||||
* @since 1.5.0
|
||||
*/
|
||||
public static function get6to4()
|
||||
{
|
||||
if (self::$sixToFour === null) {
|
||||
self::$sixToFour = self::parseString('2002::/16');
|
||||
}
|
||||
|
||||
return self::$sixToFour;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get subnet prefix.
|
||||
*
|
||||
* @return int
|
||||
*
|
||||
* @since 1.7.0
|
||||
*/
|
||||
public function getNetworkPrefix()
|
||||
{
|
||||
return $this->networkPrefix;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getSubnetMask()
|
||||
*/
|
||||
public function getSubnetMask()
|
||||
{
|
||||
if ($this->getAddressType() !== AddressType::T_IPv4) {
|
||||
return null;
|
||||
}
|
||||
$bytes = array();
|
||||
$prefix = $this->getNetworkPrefix();
|
||||
while ($prefix >= 8) {
|
||||
$bytes[] = 255;
|
||||
$prefix -= 8;
|
||||
}
|
||||
if ($prefix !== 0) {
|
||||
$bytes[] = bindec(str_pad(str_repeat('1', $prefix), 8, '0'));
|
||||
}
|
||||
$bytes = array_pad($bytes, 4, 0);
|
||||
|
||||
return IPv4::fromBytes($bytes);
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getReverseDNSLookupName()
|
||||
*/
|
||||
public function getReverseDNSLookupName()
|
||||
{
|
||||
switch ($this->getAddressType()) {
|
||||
case AddressType::T_IPv4:
|
||||
$unitSize = 8; // bytes
|
||||
$maxUnits = 4;
|
||||
$isHex = false;
|
||||
$rxUnit = '\d+';
|
||||
break;
|
||||
case AddressType::T_IPv6:
|
||||
$unitSize = 4; // nibbles
|
||||
$maxUnits = 32;
|
||||
$isHex = true;
|
||||
$rxUnit = '[0-9A-Fa-f]';
|
||||
break;
|
||||
}
|
||||
$totBits = $unitSize * $maxUnits;
|
||||
$prefixUnits = (int) ($this->networkPrefix / $unitSize);
|
||||
$extraBits = ($totBits - $this->networkPrefix) % $unitSize;
|
||||
if ($extraBits !== 0) {
|
||||
$prefixUnits += 1;
|
||||
}
|
||||
$numVariants = 1 << $extraBits;
|
||||
$result = array();
|
||||
$unitsToRemove = $maxUnits - $prefixUnits;
|
||||
$initialPointer = preg_replace("/^(({$rxUnit})\.){{$unitsToRemove}}/", '', $this->getStartAddress()->getReverseDNSLookupName());
|
||||
$chunks = explode('.', $initialPointer, 2);
|
||||
for ($index = 0; $index < $numVariants; $index++) {
|
||||
if ($index !== 0) {
|
||||
$chunks[0] = $isHex ? dechex(1 + hexdec($chunks[0])) : (string) (1 + (int) $chunks[0]);
|
||||
}
|
||||
$result[] = implode('.', $chunks);
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*
|
||||
* @see \IPLib\Range\RangeInterface::getSize()
|
||||
*/
|
||||
public function getSize()
|
||||
{
|
||||
$fromAddress = $this->fromAddress;
|
||||
$maxPrefix = $fromAddress::getNumberOfBits();
|
||||
$prefix = $this->getNetworkPrefix();
|
||||
|
||||
return pow(2, ($maxPrefix - $prefix));
|
||||
}
|
||||
}
|
||||
+152
@@ -0,0 +1,152 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Range;
|
||||
|
||||
/**
|
||||
* Types of IP address classes.
|
||||
*/
|
||||
class Type
|
||||
{
|
||||
/**
|
||||
* Unspecified/unknown address.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_UNSPECIFIED = 1;
|
||||
|
||||
/**
|
||||
* Reserved/internal use only.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_RESERVED = 2;
|
||||
|
||||
/**
|
||||
* Refer to source hosts on "this" network.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_THISNETWORK = 3;
|
||||
|
||||
/**
|
||||
* Internet host loopback address.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_LOOPBACK = 4;
|
||||
|
||||
/**
|
||||
* Relay anycast address.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_ANYCASTRELAY = 5;
|
||||
|
||||
/**
|
||||
* "Limited broadcast" destination address.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_LIMITEDBROADCAST = 6;
|
||||
|
||||
/**
|
||||
* Multicast address assignments - Indentify a group of interfaces.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_MULTICAST = 7;
|
||||
|
||||
/**
|
||||
* "Link local" address, allocated for communication between hosts on a single link.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_LINKLOCAL = 8;
|
||||
|
||||
/**
|
||||
* Link local unicast / Linked-scoped unicast.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_LINKLOCAL_UNICAST = 9;
|
||||
|
||||
/**
|
||||
* Discard-Only address.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_DISCARDONLY = 10;
|
||||
|
||||
/**
|
||||
* Discard address.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_DISCARD = 11;
|
||||
|
||||
/**
|
||||
* For use in private networks.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_PRIVATENETWORK = 12;
|
||||
|
||||
/**
|
||||
* Public address.
|
||||
*
|
||||
* @var int
|
||||
*/
|
||||
const T_PUBLIC = 13;
|
||||
|
||||
/**
|
||||
* Carrier-grade NAT address.
|
||||
*
|
||||
* @var int
|
||||
*
|
||||
* @since 1.10.0
|
||||
*/
|
||||
const T_CGNAT = 14;
|
||||
|
||||
/**
|
||||
* Get the name of a type.
|
||||
*
|
||||
* @param int $type
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public static function getName($type)
|
||||
{
|
||||
switch ($type) {
|
||||
case static::T_UNSPECIFIED:
|
||||
return 'Unspecified/unknown address';
|
||||
case static::T_RESERVED:
|
||||
return 'Reserved/internal use only';
|
||||
case static::T_THISNETWORK:
|
||||
return 'Refer to source hosts on "this" network';
|
||||
case static::T_LOOPBACK:
|
||||
return 'Internet host loopback address';
|
||||
case static::T_ANYCASTRELAY:
|
||||
return 'Relay anycast address';
|
||||
case static::T_LIMITEDBROADCAST:
|
||||
return '"Limited broadcast" destination address';
|
||||
case static::T_MULTICAST:
|
||||
return 'Multicast address assignments - Indentify a group of interfaces';
|
||||
case static::T_LINKLOCAL:
|
||||
return '"Link local" address, allocated for communication between hosts on a single link';
|
||||
case static::T_LINKLOCAL_UNICAST:
|
||||
return 'Link local unicast / Linked-scoped unicast';
|
||||
case static::T_DISCARDONLY:
|
||||
return 'Discard only';
|
||||
case static::T_DISCARD:
|
||||
return 'Discard';
|
||||
case static::T_PRIVATENETWORK:
|
||||
return 'For use in private networks';
|
||||
case static::T_PUBLIC:
|
||||
return 'Public address';
|
||||
case static::T_CGNAT:
|
||||
return 'Carrier-grade NAT';
|
||||
default:
|
||||
return $type === null ? 'Unknown type' : sprintf('Unknown type (%s)', $type);
|
||||
}
|
||||
}
|
||||
}
|
||||
+120
@@ -0,0 +1,120 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Service;
|
||||
|
||||
/**
|
||||
* Helper class to work with unsigned binary integers.
|
||||
*
|
||||
* @internal
|
||||
*/
|
||||
class BinaryMath
|
||||
{
|
||||
/**
|
||||
* Trim the leading zeroes from a non-negative integer represented in binary form.
|
||||
*
|
||||
* @param string $value
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function reduce($value)
|
||||
{
|
||||
$value = ltrim($value, '0');
|
||||
|
||||
return $value === '' ? '0' : $value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Compare two non-negative integers represented in binary form.
|
||||
*
|
||||
* @param string $a
|
||||
* @param string $b
|
||||
*
|
||||
* @return int 1 if $a is greater than $b, -1 if $b is greater than $b, 0 if they are the same
|
||||
*/
|
||||
public function compare($a, $b)
|
||||
{
|
||||
list($a, $b) = $this->toSameLength($a, $b);
|
||||
|
||||
return $a < $b ? -1 : ($a > $b ? 1 : 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* Add 1 to a non-negative integer represented in binary form.
|
||||
*
|
||||
* @param string $value
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function increment($value)
|
||||
{
|
||||
$lastZeroIndex = strrpos($value, '0');
|
||||
if ($lastZeroIndex === false) {
|
||||
return '1' . str_repeat('0', strlen($value));
|
||||
}
|
||||
|
||||
return ltrim(substr($value, 0, $lastZeroIndex), '0') . '1' . str_repeat('0', strlen($value) - $lastZeroIndex - 1);
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the bitwise AND of two non-negative integers represented in binary form.
|
||||
*
|
||||
* @param string $operand1
|
||||
* @param string $operand2
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function andX($operand1, $operand2)
|
||||
{
|
||||
$operand1 = $this->reduce($operand1);
|
||||
$operand2 = $this->reduce($operand2);
|
||||
$numBits = min(strlen($operand1), strlen($operand2));
|
||||
$operand1 = substr(str_pad($operand1, $numBits, '0', STR_PAD_LEFT), -$numBits);
|
||||
$operand2 = substr(str_pad($operand2, $numBits, '0', STR_PAD_LEFT), -$numBits);
|
||||
$result = '';
|
||||
for ($index = 0; $index < $numBits; $index++) {
|
||||
$result .= $operand1[$index] === '1' && $operand2[$index] === '1' ? '1' : '0';
|
||||
}
|
||||
|
||||
return $this->reduce($result);
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the bitwise OR of two non-negative integers represented in binary form.
|
||||
*
|
||||
* @param string $operand1
|
||||
* @param string $operand2
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function orX($operand1, $operand2)
|
||||
{
|
||||
list($operand1, $operand2, $numBits) = $this->toSameLength($operand1, $operand2);
|
||||
$result = '';
|
||||
for ($index = 0; $index < $numBits; $index++) {
|
||||
$result .= $operand1[$index] === '1' || $operand2[$index] === '1' ? '1' : '0';
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Zero-padding of two non-negative integers represented in binary form, so that they have the same length.
|
||||
*
|
||||
* @param string $num1
|
||||
* @param string $num2
|
||||
*
|
||||
* @return string[],int[] The first array element is $num1 (padded), the first array element is $num2 (padded), the third array element is the number of bits
|
||||
*/
|
||||
private function toSameLength($num1, $num2)
|
||||
{
|
||||
$num1 = $this->reduce($num1);
|
||||
$num2 = $this->reduce($num2);
|
||||
$numBits = max(strlen($num1), strlen($num2));
|
||||
|
||||
return array(
|
||||
str_pad($num1, $numBits, '0', STR_PAD_LEFT),
|
||||
str_pad($num2, $numBits, '0', STR_PAD_LEFT),
|
||||
$numBits,
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,168 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Service;
|
||||
|
||||
use IPLib\Address\AddressInterface;
|
||||
use IPLib\Factory;
|
||||
use IPLib\Range\Subnet;
|
||||
|
||||
/**
|
||||
* Helper class to calculate the subnets describing all (and only all) the addresses between two boundaries.
|
||||
*
|
||||
* @internal
|
||||
*/
|
||||
class RangesFromBoundaryCalculator
|
||||
{
|
||||
/**
|
||||
* The BinaryMath instance to be used to perform bitwise operations.
|
||||
*
|
||||
* @var \IPLib\Service\BinaryMath
|
||||
*/
|
||||
private $math;
|
||||
|
||||
/**
|
||||
* The number of bits used to represent addresses.
|
||||
*
|
||||
* @var int
|
||||
*
|
||||
* @example 32 for IPv4, 128 for IPv6
|
||||
*/
|
||||
private $numBits;
|
||||
|
||||
/**
|
||||
* The bit masks for every bit index.
|
||||
*
|
||||
* @var string[]
|
||||
*/
|
||||
private $masks;
|
||||
|
||||
/**
|
||||
* The bit unmasks for every bit index.
|
||||
*
|
||||
* @var string[]
|
||||
*/
|
||||
private $unmasks;
|
||||
|
||||
/**
|
||||
* Initializes the instance.
|
||||
*
|
||||
* @param int $numBits the number of bits used to represent addresses (32 for IPv4, 128 for IPv6)
|
||||
*/
|
||||
public function __construct($numBits)
|
||||
{
|
||||
$this->math = new BinaryMath();
|
||||
$this->setNumBits($numBits);
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the subnets describing all (and only all) the addresses between two boundaries.
|
||||
*
|
||||
* @param \IPLib\Address\AddressInterface $from
|
||||
* @param \IPLib\Address\AddressInterface $to
|
||||
*
|
||||
* @return \IPLib\Range\Subnet[]|null return NULL if the two addresses have an invalid number of bits (that is, different from the one passed to the constructor of this class)
|
||||
*/
|
||||
public function getRanges(AddressInterface $from, AddressInterface $to)
|
||||
{
|
||||
if ($from->getNumberOfBits() !== $this->numBits || $to->getNumberOfBits() !== $this->numBits) {
|
||||
return null;
|
||||
}
|
||||
if ($from->getComparableString() > $to->getComparableString()) {
|
||||
list($from, $to) = array($to, $from);
|
||||
}
|
||||
$result = array();
|
||||
$this->calculate($this->math->reduce($from->getBits()), $this->math->reduce($to->getBits()), $this->numBits, $result);
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the number of bits used to represent addresses (32 for IPv4, 128 for IPv6).
|
||||
*
|
||||
* @param int $numBits
|
||||
*/
|
||||
private function setNumBits($numBits)
|
||||
{
|
||||
$numBits = (int) $numBits;
|
||||
$masks = array();
|
||||
$unmasks = array();
|
||||
for ($bit = 0; $bit < $numBits; $bit++) {
|
||||
$masks[$bit] = str_repeat('1', $numBits - $bit) . str_repeat('0', $bit);
|
||||
$unmasks[$bit] = $bit === 0 ? '0' : str_repeat('1', $bit);
|
||||
}
|
||||
$this->numBits = $numBits;
|
||||
$this->masks = $masks;
|
||||
$this->unmasks = $unmasks;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the subnets.
|
||||
*
|
||||
* @param string $start the start address (represented in reduced bit form)
|
||||
* @param string $end the end address (represented in reduced bit form)
|
||||
* @param int $position the number of bits in the mask we are comparing at this cycle
|
||||
* @param \IPLib\Range\Subnet[] $result found ranges will be added to this variable
|
||||
*/
|
||||
private function calculate($start, $end, $position, array &$result)
|
||||
{
|
||||
if ($start === $end) {
|
||||
$result[] = $this->subnetFromBits($start, $this->numBits);
|
||||
|
||||
return;
|
||||
}
|
||||
for ($index = $position - 1; $index >= 0; $index--) {
|
||||
$startMasked = $this->math->andX($start, $this->masks[$index]);
|
||||
$endMasked = $this->math->andX($end, $this->masks[$index]);
|
||||
if ($startMasked !== $endMasked) {
|
||||
$position = $index;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if ($startMasked === $start && $this->math->andX($this->math->increment($end), $this->unmasks[$position]) === '0') {
|
||||
$result[] = $this->subnetFromBits($start, $this->numBits - 1 - $position);
|
||||
|
||||
return;
|
||||
}
|
||||
$middleAddress = $this->math->orX($start, $this->unmasks[$position]);
|
||||
$this->calculate($start, $middleAddress, $position, $result);
|
||||
$this->calculate($this->math->increment($middleAddress), $end, $position, $result);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an address instance starting from its bits.
|
||||
*
|
||||
* @param string $bits the bits of the address (represented in reduced bit form)
|
||||
*
|
||||
* @return \IPLib\Address\AddressInterface
|
||||
*/
|
||||
private function addressFromBits($bits)
|
||||
{
|
||||
$bits = str_pad($bits, $this->numBits, '0', STR_PAD_LEFT);
|
||||
$bytes = array();
|
||||
foreach (explode("\n", trim(chunk_split($bits, 8, "\n"))) as $byteBits) {
|
||||
$bytes[] = bindec($byteBits);
|
||||
}
|
||||
|
||||
return Factory::addressFromBytes($bytes);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an range instance starting from the bits if the address and the length of the network prefix.
|
||||
*
|
||||
* @param string $bits the bits of the address (represented in reduced bit form)
|
||||
* @param int $networkPrefix the length of the network prefix
|
||||
*
|
||||
* @return \IPLib\Range\Subnet
|
||||
*/
|
||||
private function subnetFromBits($bits, $networkPrefix)
|
||||
{
|
||||
$startAddress = $this->addressFromBits($bits);
|
||||
$numOnes = $this->numBits - $networkPrefix;
|
||||
if ($numOnes === 0) {
|
||||
return new Subnet($startAddress, $startAddress, $networkPrefix);
|
||||
}
|
||||
$endAddress = $this->addressFromBits(substr($bits, 0, -$numOnes) . str_repeat('1', $numOnes));
|
||||
|
||||
return new Subnet($startAddress, $endAddress, $networkPrefix);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,171 @@
|
||||
<?php
|
||||
|
||||
namespace IPLib\Service;
|
||||
|
||||
/**
|
||||
* Helper class to work with unsigned integers.
|
||||
*
|
||||
* @internal
|
||||
*/
|
||||
class UnsignedIntegerMath
|
||||
{
|
||||
/**
|
||||
* Convert a string containing a decimal, octal or hexadecimal number into its bytes.
|
||||
*
|
||||
* @param string $value
|
||||
* @param int $numBytes the wanted number of bytes
|
||||
* @param bool $onlyDecimal Only parse decimal numbers
|
||||
*
|
||||
* @return int[]|null
|
||||
*/
|
||||
public function getBytes($value, $numBytes, $onlyDecimal = false)
|
||||
{
|
||||
$m = null;
|
||||
if ($onlyDecimal) {
|
||||
if (preg_match('/^0*(\d+)$/', $value, $m)) {
|
||||
return $this->getBytesFromDecimal($m[1], $numBytes);
|
||||
}
|
||||
} else {
|
||||
if (preg_match('/^0[Xx]0*([0-9A-Fa-f]+)$/', $value, $m)) {
|
||||
return $this->getBytesFromHexadecimal($m[1], $numBytes);
|
||||
}
|
||||
if (preg_match('/^0+([0-7]*)$/', $value, $m)) {
|
||||
return $this->getBytesFromOctal($m[1], $numBytes);
|
||||
}
|
||||
if (preg_match('/^[1-9][0-9]*$/', $value)) {
|
||||
return $this->getBytesFromDecimal($value, $numBytes);
|
||||
}
|
||||
}
|
||||
|
||||
// Not a valid number
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return int
|
||||
*/
|
||||
protected function getMaxSignedInt()
|
||||
{
|
||||
return PHP_INT_MAX;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param string $value never zero-length, never extra leading zeroes
|
||||
* @param int $numBytes
|
||||
*
|
||||
* @return int[]|null
|
||||
*/
|
||||
private function getBytesFromBits($value, $numBytes)
|
||||
{
|
||||
$valueLength = strlen($value);
|
||||
if ($valueLength > $numBytes << 3) {
|
||||
// overflow
|
||||
return null;
|
||||
}
|
||||
$remainderBits = $valueLength % 8;
|
||||
if ($remainderBits !== 0) {
|
||||
$value = str_pad($value, $valueLength + 8 - $remainderBits, '0', STR_PAD_LEFT);
|
||||
}
|
||||
$bytes = array_map('bindec', str_split($value, 8));
|
||||
|
||||
return array_pad($bytes, -$numBytes, 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* @param string $value may be zero-length, never extra leading zeroes
|
||||
* @param int $numBytes
|
||||
*
|
||||
* @return int[]|null
|
||||
*/
|
||||
private function getBytesFromOctal($value, $numBytes)
|
||||
{
|
||||
if ($value === '') {
|
||||
return array_fill(0, $numBytes, 0);
|
||||
}
|
||||
$bits = implode(
|
||||
'',
|
||||
array_map(
|
||||
function ($octalDigit) {
|
||||
return str_pad(decbin(octdec($octalDigit)), 3, '0', STR_PAD_LEFT);
|
||||
},
|
||||
str_split($value, 1)
|
||||
)
|
||||
);
|
||||
$bits = ltrim($bits, '0');
|
||||
|
||||
return $bits === '' ? array_fill(0, $numBytes, 0) : static::getBytesFromBits($bits, $numBytes);
|
||||
}
|
||||
|
||||
/**
|
||||
* @param string $value never zero-length, never extra leading zeroes
|
||||
* @param int $numBytes
|
||||
*
|
||||
* @return int[]|null
|
||||
*/
|
||||
private function getBytesFromDecimal($value, $numBytes)
|
||||
{
|
||||
$valueLength = strlen($value);
|
||||
$maxSignedIntLength = strlen((string) $this->getMaxSignedInt());
|
||||
if ($valueLength < $maxSignedIntLength) {
|
||||
return $this->getBytesFromBits(decbin((int) $value), $numBytes);
|
||||
}
|
||||
// Divide by two, so that we have 1 less bit
|
||||
$carry = 0;
|
||||
$halfValue = ltrim(
|
||||
implode(
|
||||
'',
|
||||
array_map(
|
||||
function ($digit) use (&$carry) {
|
||||
$number = $carry + (int) $digit;
|
||||
$carry = ($number % 2) * 10;
|
||||
|
||||
return (string) $number >> 1;
|
||||
},
|
||||
str_split($value, 1)
|
||||
)
|
||||
),
|
||||
'0'
|
||||
);
|
||||
$halfValueBytes = $this->getBytesFromDecimal($halfValue, $numBytes);
|
||||
if ($halfValueBytes === null) {
|
||||
return null;
|
||||
}
|
||||
$carry = $carry === 0 ? 0 : 1;
|
||||
$result = array_fill(0, $numBytes, 0);
|
||||
for ($index = $numBytes - 1; $index >= 0; $index--) {
|
||||
$byte = $carry + ($halfValueBytes[$index] << 1);
|
||||
if ($byte <= 0xFF) {
|
||||
$carry = 0;
|
||||
} else {
|
||||
$carry = ($byte & ~0xFF) >> 8;
|
||||
$byte -= 0x100;
|
||||
}
|
||||
$result[$index] = $byte;
|
||||
}
|
||||
if ($carry !== 0) {
|
||||
// Overflow
|
||||
return null;
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param string $value never zero-length, never extra leading zeroes
|
||||
* @param int $numBytes
|
||||
*
|
||||
* @return int[]|null
|
||||
*/
|
||||
private function getBytesFromHexadecimal($value, $numBytes)
|
||||
{
|
||||
$valueLength = strlen($value);
|
||||
if ($valueLength > $numBytes << 1) {
|
||||
// overflow
|
||||
return null;
|
||||
}
|
||||
$value = str_pad($value, $valueLength + $valueLength % 2, '0', STR_PAD_LEFT);
|
||||
$bytes = array_map('hexdec', str_split($value, 2));
|
||||
|
||||
return array_pad($bytes, -$numBytes, 0);
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user