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- "use strict";
- /* eslint-disable no-param-reassign */
- var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
- if (k2 === undefined) k2 = k;
- var desc = Object.getOwnPropertyDescriptor(m, k);
- if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
- desc = { enumerable: true, get: function() { return m[k]; } };
- }
- Object.defineProperty(o, k2, desc);
- }) : (function(o, m, k, k2) {
- if (k2 === undefined) k2 = k;
- o[k2] = m[k];
- }));
- var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
- Object.defineProperty(o, "default", { enumerable: true, value: v });
- }) : function(o, v) {
- o["default"] = v;
- });
- var __importStar = (this && this.__importStar) || function (mod) {
- if (mod && mod.__esModule) return mod;
- var result = {};
- if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
- __setModuleDefault(result, mod);
- return result;
- };
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.Address4 = void 0;
- const common = __importStar(require("./common"));
- const constants = __importStar(require("./v4/constants"));
- const address_error_1 = require("./address-error");
- const jsbn_1 = require("jsbn");
- const sprintf_js_1 = require("sprintf-js");
- /**
- * Represents an IPv4 address
- * @class Address4
- * @param {string} address - An IPv4 address string
- */
- class Address4 {
- constructor(address) {
- this.groups = constants.GROUPS;
- this.parsedAddress = [];
- this.parsedSubnet = '';
- this.subnet = '/32';
- this.subnetMask = 32;
- this.v4 = true;
- /**
- * Returns true if the address is correct, false otherwise
- * @memberof Address4
- * @instance
- * @returns {Boolean}
- */
- this.isCorrect = common.isCorrect(constants.BITS);
- /**
- * Returns true if the given address is in the subnet of the current address
- * @memberof Address4
- * @instance
- * @returns {boolean}
- */
- this.isInSubnet = common.isInSubnet;
- this.address = address;
- const subnet = constants.RE_SUBNET_STRING.exec(address);
- if (subnet) {
- this.parsedSubnet = subnet[0].replace('/', '');
- this.subnetMask = parseInt(this.parsedSubnet, 10);
- this.subnet = `/${this.subnetMask}`;
- if (this.subnetMask < 0 || this.subnetMask > constants.BITS) {
- throw new address_error_1.AddressError('Invalid subnet mask.');
- }
- address = address.replace(constants.RE_SUBNET_STRING, '');
- }
- this.addressMinusSuffix = address;
- this.parsedAddress = this.parse(address);
- }
- static isValid(address) {
- try {
- // eslint-disable-next-line no-new
- new Address4(address);
- return true;
- }
- catch (e) {
- return false;
- }
- }
- /*
- * Parses a v4 address
- */
- parse(address) {
- const groups = address.split('.');
- if (!address.match(constants.RE_ADDRESS)) {
- throw new address_error_1.AddressError('Invalid IPv4 address.');
- }
- return groups;
- }
- /**
- * Returns the correct form of an address
- * @memberof Address4
- * @instance
- * @returns {String}
- */
- correctForm() {
- return this.parsedAddress.map((part) => parseInt(part, 10)).join('.');
- }
- /**
- * Converts a hex string to an IPv4 address object
- * @memberof Address4
- * @static
- * @param {string} hex - a hex string to convert
- * @returns {Address4}
- */
- static fromHex(hex) {
- const padded = hex.replace(/:/g, '').padStart(8, '0');
- const groups = [];
- let i;
- for (i = 0; i < 8; i += 2) {
- const h = padded.slice(i, i + 2);
- groups.push(parseInt(h, 16));
- }
- return new Address4(groups.join('.'));
- }
- /**
- * Converts an integer into a IPv4 address object
- * @memberof Address4
- * @static
- * @param {integer} integer - a number to convert
- * @returns {Address4}
- */
- static fromInteger(integer) {
- return Address4.fromHex(integer.toString(16));
- }
- /**
- * Return an address from in-addr.arpa form
- * @memberof Address4
- * @static
- * @param {string} arpaFormAddress - an 'in-addr.arpa' form ipv4 address
- * @returns {Adress4}
- * @example
- * var address = Address4.fromArpa(42.2.0.192.in-addr.arpa.)
- * address.correctForm(); // '192.0.2.42'
- */
- static fromArpa(arpaFormAddress) {
- // remove ending ".in-addr.arpa." or just "."
- const leader = arpaFormAddress.replace(/(\.in-addr\.arpa)?\.$/, '');
- const address = leader.split('.').reverse().join('.');
- return new Address4(address);
- }
- /**
- * Converts an IPv4 address object to a hex string
- * @memberof Address4
- * @instance
- * @returns {String}
- */
- toHex() {
- return this.parsedAddress.map((part) => (0, sprintf_js_1.sprintf)('%02x', parseInt(part, 10))).join(':');
- }
- /**
- * Converts an IPv4 address object to an array of bytes
- * @memberof Address4
- * @instance
- * @returns {Array}
- */
- toArray() {
- return this.parsedAddress.map((part) => parseInt(part, 10));
- }
- /**
- * Converts an IPv4 address object to an IPv6 address group
- * @memberof Address4
- * @instance
- * @returns {String}
- */
- toGroup6() {
- const output = [];
- let i;
- for (i = 0; i < constants.GROUPS; i += 2) {
- const hex = (0, sprintf_js_1.sprintf)('%02x%02x', parseInt(this.parsedAddress[i], 10), parseInt(this.parsedAddress[i + 1], 10));
- output.push((0, sprintf_js_1.sprintf)('%x', parseInt(hex, 16)));
- }
- return output.join(':');
- }
- /**
- * Returns the address as a BigInteger
- * @memberof Address4
- * @instance
- * @returns {BigInteger}
- */
- bigInteger() {
- return new jsbn_1.BigInteger(this.parsedAddress.map((n) => (0, sprintf_js_1.sprintf)('%02x', parseInt(n, 10))).join(''), 16);
- }
- /**
- * Helper function getting start address.
- * @memberof Address4
- * @instance
- * @returns {BigInteger}
- */
- _startAddress() {
- return new jsbn_1.BigInteger(this.mask() + '0'.repeat(constants.BITS - this.subnetMask), 2);
- }
- /**
- * The first address in the range given by this address' subnet.
- * Often referred to as the Network Address.
- * @memberof Address4
- * @instance
- * @returns {Address4}
- */
- startAddress() {
- return Address4.fromBigInteger(this._startAddress());
- }
- /**
- * 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() {
- const adjust = new jsbn_1.BigInteger('1');
- return Address4.fromBigInteger(this._startAddress().add(adjust));
- }
- /**
- * Helper function getting end address.
- * @memberof Address4
- * @instance
- * @returns {BigInteger}
- */
- _endAddress() {
- return new jsbn_1.BigInteger(this.mask() + '1'.repeat(constants.BITS - this.subnetMask), 2);
- }
- /**
- * The last address in the range given by this address' subnet
- * Often referred to as the Broadcast
- * @memberof Address4
- * @instance
- * @returns {Address4}
- */
- endAddress() {
- return Address4.fromBigInteger(this._endAddress());
- }
- /**
- * 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() {
- const adjust = new jsbn_1.BigInteger('1');
- return Address4.fromBigInteger(this._endAddress().subtract(adjust));
- }
- /**
- * Converts a BigInteger to a v4 address object
- * @memberof Address4
- * @static
- * @param {BigInteger} bigInteger - a BigInteger to convert
- * @returns {Address4}
- */
- static fromBigInteger(bigInteger) {
- return Address4.fromInteger(parseInt(bigInteger.toString(), 10));
- }
- /**
- * Returns the first n bits of the address, defaulting to the
- * subnet mask
- * @memberof Address4
- * @instance
- * @returns {String}
- */
- mask(mask) {
- if (mask === undefined) {
- mask = this.subnetMask;
- }
- return this.getBitsBase2(0, mask);
- }
- /**
- * Returns the bits in the given range as a base-2 string
- * @memberof Address4
- * @instance
- * @returns {string}
- */
- getBitsBase2(start, end) {
- return this.binaryZeroPad().slice(start, end);
- }
- /**
- * 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) {
- if (!options) {
- options = {};
- }
- const reversed = this.correctForm().split('.').reverse().join('.');
- if (options.omitSuffix) {
- return reversed;
- }
- return (0, sprintf_js_1.sprintf)('%s.in-addr.arpa.', reversed);
- }
- /**
- * 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'));
- }
- /**
- * Returns a zero-padded base-2 string representation of the address
- * @memberof Address4
- * @instance
- * @returns {string}
- */
- binaryZeroPad() {
- return this.bigInteger().toString(2).padStart(constants.BITS, '0');
- }
- /**
- * Groups an IPv4 address for inclusion at the end of an IPv6 address
- * @returns {String}
- */
- groupForV6() {
- const segments = this.parsedAddress;
- return this.address.replace(constants.RE_ADDRESS, (0, sprintf_js_1.sprintf)('<span class="hover-group group-v4 group-6">%s</span>.<span class="hover-group group-v4 group-7">%s</span>', segments.slice(0, 2).join('.'), segments.slice(2, 4).join('.')));
- }
- }
- exports.Address4 = Address4;
- //# sourceMappingURL=ipv4.js.map
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