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This commit is contained in:
timothe
2026-05-26 11:58:39 +02:00
parent 619a2b240a
commit 150b97cd2e
4892 changed files with 99214 additions and 429382 deletions
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node_modules/ip-address/dist/ipv4.js
Generated Vendored
+193 -68
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@@ -28,9 +28,9 @@ exports.Address4 = void 0;
const common = __importStar(require("./common"));
const constants = __importStar(require("./v4/constants"));
const address_error_1 = require("./address-error");
const isCorrect4 = common.isCorrect(constants.BITS);
/**
* Represents an IPv4 address
* @class Address4
* @param {string} address - An IPv4 address string
*/
class Address4 {
@@ -43,15 +43,11 @@ class Address4 {
this.v4 = true;
/**
* Returns true if the address is correct, false otherwise
* @memberof Address4
* @instance
* @returns {Boolean}
*/
this.isCorrect = common.isCorrect(constants.BITS);
this.isCorrect = isCorrect4;
/**
* Returns true if the given address is in the subnet of the current address
* @memberof Address4
* @instance
* @returns {boolean}
*/
this.isInSubnet = common.isInSubnet;
@@ -69,6 +65,13 @@ class Address4 {
this.addressMinusSuffix = address;
this.parsedAddress = this.parse(address);
}
/**
* Returns true if the given string is a valid IPv4 address (with optional
* CIDR subnet), false otherwise. Host bits in the subnet portion are
* allowed (e.g. `192.168.1.5/24` is valid); for strict network-address
* validation compare `correctForm()` to `startAddress().correctForm()`,
* or use `networkForm()`.
*/
static isValid(address) {
try {
// eslint-disable-next-line no-new
@@ -79,8 +82,11 @@ class Address4 {
return false;
}
}
/*
* Parses a v4 address
/**
* Parses an IPv4 address string into its four octet groups and stores the
* result on `this.parsedAddress`. Called automatically by the constructor;
* you typically don't need to call it directly. Throws `AddressError` if
* the input is not a valid IPv4 address.
*/
parse(address) {
const groups = address.split('.');
@@ -90,45 +96,110 @@ class Address4 {
return groups;
}
/**
* Returns the correct form of an address
* @memberof Address4
* @instance
* @returns {String}
* Returns the address in correct form: octets joined with `.` and any
* leading zeros stripped (e.g. `192.168.1.1`). For IPv4 this matches the
* canonical dotted-decimal representation.
*/
correctForm() {
return this.parsedAddress.map((part) => parseInt(part, 10)).join('.');
}
/**
* Converts a hex string to an IPv4 address object
* @memberof Address4
* @static
* Construct an `Address4` from an address and a dotted-decimal subnet
* mask given as separate strings (e.g. as returned by Node's
* `os.networkInterfaces()`). Throws `AddressError` if the mask is
* non-contiguous (e.g. `255.0.255.0`).
* @example
* var address = Address4.fromAddressAndMask('192.168.1.1', '255.255.255.0');
* address.subnetMask; // 24
*/
static fromAddressAndMask(address, mask) {
const bits = common.prefixLengthFromMask(new Address4(mask).bigInt(), constants.BITS);
return new Address4(`${address}/${bits}`);
}
/**
* Construct an `Address4` from an address and a Cisco-style wildcard mask
* given as separate strings (e.g. `0.0.0.255` for a `/24`). The wildcard
* mask is the bitwise inverse of the subnet mask. Throws `AddressError`
* if the mask is non-contiguous (e.g. `0.255.0.255`).
* @example
* var address = Address4.fromAddressAndWildcardMask('10.0.0.1', '0.0.0.255');
* address.subnetMask; // 24
*/
static fromAddressAndWildcardMask(address, wildcardMask) {
const wildcard = new Address4(wildcardMask).bigInt();
const allOnes = (BigInt(1) << BigInt(constants.BITS)) - BigInt(1);
// eslint-disable-next-line no-bitwise
const mask = wildcard ^ allOnes;
const bits = common.prefixLengthFromMask(mask, constants.BITS);
return new Address4(`${address}/${bits}`);
}
/**
* Construct an `Address4` from a wildcard pattern with trailing `*`
* octets. The number of trailing wildcards determines the prefix
* length: each `*` represents 8 bits.
*
* Only trailing whole-octet wildcards are supported. Partial-octet
* wildcards (e.g. `192.168.0.1*`) and interior wildcards (e.g.
* `192.*.0.1`) throw `AddressError`.
* @example
* Address4.fromWildcard('192.168.0.*').subnet; // '/24'
* Address4.fromWildcard('192.168.*.*').subnet; // '/16'
* Address4.fromWildcard('*.*.*.*').subnet; // '/0'
*/
static fromWildcard(input) {
const groups = input.split('.');
if (groups.length !== constants.GROUPS) {
throw new address_error_1.AddressError('Wildcard pattern must have 4 octets');
}
let firstWildcard = -1;
for (let i = 0; i < groups.length; i++) {
if (groups[i] === '*') {
if (firstWildcard === -1) {
firstWildcard = i;
}
}
else if (firstWildcard !== -1) {
throw new address_error_1.AddressError('Wildcard `*` must only appear in trailing octets (e.g. `192.168.0.*`)');
}
}
const trailing = firstWildcard === -1 ? 0 : groups.length - firstWildcard;
const replaced = groups.map((g) => (g === '*' ? '0' : g));
const subnetBits = constants.BITS - trailing * 8;
return new Address4(`${replaced.join('.')}/${subnetBits}`);
}
/**
* Converts a hex string to an IPv4 address object. Accepts 8 hex digits
* with optional `:` separators (e.g. `'7f000001'` or `'7f:00:00:01'`).
* Throws `AddressError` for any other length or for non-hex characters.
* @param {string} hex - a hex string to convert
* @returns {Address4}
*/
static fromHex(hex) {
const padded = hex.replace(/:/g, '').padStart(8, '0');
const stripped = hex.replace(/:/g, '');
if (!/^[0-9a-fA-F]{8}$/.test(stripped)) {
throw new address_error_1.AddressError('IPv4 hex must be exactly 8 hex digits');
}
const groups = [];
let i;
for (i = 0; i < 8; i += 2) {
const h = padded.slice(i, i + 2);
groups.push(parseInt(h, 16));
for (let i = 0; i < 8; i += 2) {
groups.push(parseInt(stripped.slice(i, i + 2), 16));
}
return new Address4(groups.join('.'));
}
/**
* Converts an integer into a IPv4 address object
* @memberof Address4
* @static
* Converts an integer into a IPv4 address object. The integer must be a
* non-negative safe integer in the range `[0, 2**32 - 1]`; otherwise
* `AddressError` is thrown.
* @param {integer} integer - a number to convert
* @returns {Address4}
*/
static fromInteger(integer) {
return Address4.fromHex(integer.toString(16));
if (!Number.isInteger(integer) || integer < 0 || integer > 0xffffffff) {
throw new address_error_1.AddressError('IPv4 integer must be in the range 0 to 2**32 - 1');
}
return Address4.fromHex(integer.toString(16).padStart(8, '0'));
}
/**
* Return an address from in-addr.arpa form
* @memberof Address4
* @static
* @param {string} arpaFormAddress - an 'in-addr.arpa' form ipv4 address
* @returns {Adress4}
* @example
@@ -143,17 +214,15 @@ class Address4 {
}
/**
* Converts an IPv4 address object to a hex string
* @memberof Address4
* @instance
* @returns {String}
*/
toHex() {
return this.parsedAddress.map((part) => common.stringToPaddedHex(part)).join(':');
}
/**
* Converts an IPv4 address object to an array of bytes
* @memberof Address4
* @instance
* Converts an IPv4 address object to an array of bytes.
*
* To get a Node.js `Buffer`, wrap the result: `Buffer.from(address.toArray())`.
* @returns {Array}
*/
toArray() {
@@ -161,8 +230,6 @@ class Address4 {
}
/**
* Converts an IPv4 address object to an IPv6 address group
* @memberof Address4
* @instance
* @returns {String}
*/
toGroup6() {
@@ -175,8 +242,6 @@ class Address4 {
}
/**
* Returns the address as a `bigint`
* @memberof Address4
* @instance
* @returns {bigint}
*/
bigInt() {
@@ -184,8 +249,6 @@ class Address4 {
}
/**
* Helper function getting start address.
* @memberof Address4
* @instance
* @returns {bigint}
*/
_startAddress() {
@@ -194,8 +257,6 @@ class Address4 {
/**
* The first address in the range given by this address' subnet.
* Often referred to as the Network Address.
* @memberof Address4
* @instance
* @returns {Address4}
*/
startAddress() {
@@ -204,8 +265,6 @@ class Address4 {
/**
* The first host address in the range given by this address's subnet ie
* the first address after the Network Address
* @memberof Address4
* @instance
* @returns {Address4}
*/
startAddressExclusive() {
@@ -214,8 +273,6 @@ class Address4 {
}
/**
* Helper function getting end address.
* @memberof Address4
* @instance
* @returns {bigint}
*/
_endAddress() {
@@ -224,8 +281,6 @@ class Address4 {
/**
* The last address in the range given by this address' subnet
* Often referred to as the Broadcast
* @memberof Address4
* @instance
* @returns {Address4}
*/
endAddress() {
@@ -234,8 +289,6 @@ class Address4 {
/**
* The last host address in the range given by this address's subnet ie
* the last address prior to the Broadcast Address
* @memberof Address4
* @instance
* @returns {Address4}
*/
endAddressExclusive() {
@@ -243,19 +296,47 @@ class Address4 {
return Address4.fromBigInt(this._endAddress() - adjust);
}
/**
* Converts a BigInt to a v4 address object
* @memberof Address4
* @static
* The dotted-decimal form of the subnet mask, e.g. `255.255.240.0` for
* a `/20`. Returns an `Address4`; call `.correctForm()` for the string.
* @returns {Address4}
*/
subnetMaskAddress() {
return Address4.fromBigInt(BigInt(`0b${'1'.repeat(this.subnetMask)}${'0'.repeat(constants.BITS - this.subnetMask)}`));
}
/**
* The Cisco-style wildcard mask, e.g. `0.0.0.255` for a `/24`. This is
* the bitwise inverse of `subnetMaskAddress()`. Returns an `Address4`;
* call `.correctForm()` for the string.
* @returns {Address4}
*/
wildcardMask() {
return Address4.fromBigInt(BigInt(`0b${'0'.repeat(this.subnetMask)}${'1'.repeat(constants.BITS - this.subnetMask)}`));
}
/**
* The network address in CIDR string form, e.g. `192.168.1.0/24` for
* `192.168.1.5/24`. For an address with no explicit subnet the prefix is
* `/32`, e.g. `networkForm()` on `192.168.1.5` returns `192.168.1.5/32`.
* @returns {string}
*/
networkForm() {
return `${this.startAddress().correctForm()}/${this.subnetMask}`;
}
/**
* Converts a BigInt to a v4 address object. The value must be in the
* range `[0, 2**32 - 1]`; otherwise `AddressError` is thrown.
* @param {bigint} bigInt - a BigInt to convert
* @returns {Address4}
*/
static fromBigInt(bigInt) {
return Address4.fromHex(bigInt.toString(16));
if (bigInt < 0n || bigInt > 0xffffffffn) {
throw new address_error_1.AddressError('IPv4 BigInt must be in the range 0 to 2**32 - 1');
}
return Address4.fromHex(bigInt.toString(16).padStart(8, '0'));
}
/**
* Convert a byte array to an Address4 object
* @memberof Address4
* @static
* Convert a byte array to an Address4 object.
*
* To convert from a Node.js `Buffer`, spread it: `Address4.fromByteArray([...buf])`.
* @param {Array<number>} bytes - an array of 4 bytes (0-255)
* @returns {Address4}
*/
@@ -273,8 +354,6 @@ class Address4 {
}
/**
* Convert an unsigned byte array to an Address4 object
* @memberof Address4
* @static
* @param {Array<number>} bytes - an array of 4 unsigned bytes (0-255)
* @returns {Address4}
*/
@@ -288,8 +367,6 @@ class Address4 {
/**
* Returns the first n bits of the address, defaulting to the
* subnet mask
* @memberof Address4
* @instance
* @returns {String}
*/
mask(mask) {
@@ -300,8 +377,6 @@ class Address4 {
}
/**
* Returns the bits in the given range as a base-2 string
* @memberof Address4
* @instance
* @returns {string}
*/
getBitsBase2(start, end) {
@@ -309,10 +384,8 @@ class Address4 {
}
/**
* Return the reversed ip6.arpa form of the address
* @memberof Address4
* @param {Object} options
* @param {boolean} options.omitSuffix - omit the "in-addr.arpa" suffix
* @instance
* @returns {String}
*/
reverseForm(options) {
@@ -327,21 +400,62 @@ class Address4 {
}
/**
* Returns true if the given address is a multicast address
* @memberof Address4
* @instance
* @returns {boolean}
*/
isMulticast() {
return this.isInSubnet(new Address4('224.0.0.0/4'));
return this.isInSubnet(MULTICAST_V4);
}
/**
* Returns true if the address is in one of the [RFC 1918](https://datatracker.ietf.org/doc/html/rfc1918) private address ranges (`10.0.0.0/8`, `172.16.0.0/12`, `192.168.0.0/16`).
* @returns {boolean}
*/
isPrivate() {
return PRIVATE_V4.some((subnet) => this.isInSubnet(subnet));
}
/**
* Returns true if the address is in the loopback range `127.0.0.0/8` ([RFC 1122](https://datatracker.ietf.org/doc/html/rfc1122)).
* @returns {boolean}
*/
isLoopback() {
return this.isInSubnet(LOOPBACK_V4);
}
/**
* Returns true if the address is in the link-local range `169.254.0.0/16` ([RFC 3927](https://datatracker.ietf.org/doc/html/rfc3927)).
* @returns {boolean}
*/
isLinkLocal() {
return this.isInSubnet(LINK_LOCAL_V4);
}
/**
* Returns true if the address is the unspecified address `0.0.0.0`.
* @returns {boolean}
*/
isUnspecified() {
return this.isInSubnet(UNSPECIFIED_V4);
}
/**
* Returns true if the address is the limited broadcast address `255.255.255.255` ([RFC 919](https://datatracker.ietf.org/doc/html/rfc919)).
* @returns {boolean}
*/
isBroadcast() {
return this.isInSubnet(BROADCAST_V4);
}
/**
* Returns true if the address is in the carrier-grade NAT range `100.64.0.0/10` ([RFC 6598](https://datatracker.ietf.org/doc/html/rfc6598)).
* @returns {boolean}
*/
isCGNAT() {
return this.isInSubnet(CGNAT_V4);
}
/**
* Returns a zero-padded base-2 string representation of the address
* @memberof Address4
* @instance
* @returns {string}
*/
binaryZeroPad() {
return this.bigInt().toString(2).padStart(constants.BITS, '0');
if (this._binaryZeroPad === undefined) {
this._binaryZeroPad = this.bigInt().toString(2).padStart(constants.BITS, '0');
}
return this._binaryZeroPad;
}
/**
* Groups an IPv4 address for inclusion at the end of an IPv6 address
@@ -357,4 +471,15 @@ class Address4 {
}
}
exports.Address4 = Address4;
const MULTICAST_V4 = new Address4('224.0.0.0/4');
const PRIVATE_V4 = [
new Address4('10.0.0.0/8'),
new Address4('172.16.0.0/12'),
new Address4('192.168.0.0/16'),
];
const LOOPBACK_V4 = new Address4('127.0.0.0/8');
const LINK_LOCAL_V4 = new Address4('169.254.0.0/16');
const UNSPECIFIED_V4 = new Address4('0.0.0.0/32');
const BROADCAST_V4 = new Address4('255.255.255.255/32');
const CGNAT_V4 = new Address4('100.64.0.0/10');
//# sourceMappingURL=ipv4.js.map