123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401 |
- (function() {
- var expandIPv6, ipaddr, ipv4Part, ipv4Regexes, ipv6Part, ipv6Regexes, matchCIDR, root;
- ipaddr = {};
- root = this;
- if ((typeof module !== "undefined" && module !== null) && module.exports) {
- module.exports = ipaddr;
- } else {
- root['ipaddr'] = ipaddr;
- }
- matchCIDR = function(first, second, partSize, cidrBits) {
- var part, shift;
- if (first.length !== second.length) {
- throw new Error("ipaddr: cannot match CIDR for objects with different lengths");
- }
- part = 0;
- while (cidrBits > 0) {
- shift = partSize - cidrBits;
- if (shift < 0) {
- shift = 0;
- }
- if (first[part] >> shift !== second[part] >> shift) {
- return false;
- }
- cidrBits -= partSize;
- part += 1;
- }
- return true;
- };
- ipaddr.subnetMatch = function(address, rangeList, defaultName) {
- var rangeName, rangeSubnets, subnet, _i, _len;
- if (defaultName == null) {
- defaultName = 'unicast';
- }
- for (rangeName in rangeList) {
- rangeSubnets = rangeList[rangeName];
- if (toString.call(rangeSubnets[0]) !== '[object Array]') {
- rangeSubnets = [rangeSubnets];
- }
- for (_i = 0, _len = rangeSubnets.length; _i < _len; _i++) {
- subnet = rangeSubnets[_i];
- if (address.match.apply(address, subnet)) {
- return rangeName;
- }
- }
- }
- return defaultName;
- };
- ipaddr.IPv4 = (function() {
- function IPv4(octets) {
- var octet, _i, _len;
- if (octets.length !== 4) {
- throw new Error("ipaddr: ipv4 octet count should be 4");
- }
- for (_i = 0, _len = octets.length; _i < _len; _i++) {
- octet = octets[_i];
- if (!((0 <= octet && octet <= 255))) {
- throw new Error("ipaddr: ipv4 octet is a byte");
- }
- }
- this.octets = octets;
- }
- IPv4.prototype.kind = function() {
- return 'ipv4';
- };
- IPv4.prototype.toString = function() {
- return this.octets.join(".");
- };
- IPv4.prototype.toByteArray = function() {
- return this.octets.slice(0);
- };
- IPv4.prototype.match = function(other, cidrRange) {
- if (other.kind() !== 'ipv4') {
- throw new Error("ipaddr: cannot match ipv4 address with non-ipv4 one");
- }
- return matchCIDR(this.octets, other.octets, 8, cidrRange);
- };
- IPv4.prototype.SpecialRanges = {
- broadcast: [[new IPv4([255, 255, 255, 255]), 32]],
- multicast: [[new IPv4([224, 0, 0, 0]), 4]],
- linkLocal: [[new IPv4([169, 254, 0, 0]), 16]],
- loopback: [[new IPv4([127, 0, 0, 0]), 8]],
- "private": [[new IPv4([10, 0, 0, 0]), 8], [new IPv4([172, 16, 0, 0]), 12], [new IPv4([192, 168, 0, 0]), 16]],
- reserved: [[new IPv4([192, 0, 0, 0]), 24], [new IPv4([192, 0, 2, 0]), 24], [new IPv4([192, 88, 99, 0]), 24], [new IPv4([198, 51, 100, 0]), 24], [new IPv4([203, 0, 113, 0]), 24], [new IPv4([240, 0, 0, 0]), 4]]
- };
- IPv4.prototype.range = function() {
- return ipaddr.subnetMatch(this, this.SpecialRanges);
- };
- IPv4.prototype.toIPv4MappedAddress = function() {
- return ipaddr.IPv6.parse("::ffff:" + (this.toString()));
- };
- return IPv4;
- })();
- ipv4Part = "(0?\\d+|0x[a-f0-9]+)";
- ipv4Regexes = {
- fourOctet: new RegExp("^" + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "$", 'i'),
- longValue: new RegExp("^" + ipv4Part + "$", 'i')
- };
- ipaddr.IPv4.parser = function(string) {
- var match, parseIntAuto, part, shift, value;
- parseIntAuto = function(string) {
- if (string[0] === "0" && string[1] !== "x") {
- return parseInt(string, 8);
- } else {
- return parseInt(string);
- }
- };
- if (match = string.match(ipv4Regexes.fourOctet)) {
- return (function() {
- var _i, _len, _ref, _results;
- _ref = match.slice(1, 6);
- _results = [];
- for (_i = 0, _len = _ref.length; _i < _len; _i++) {
- part = _ref[_i];
- _results.push(parseIntAuto(part));
- }
- return _results;
- })();
- } else if (match = string.match(ipv4Regexes.longValue)) {
- value = parseIntAuto(match[1]);
- return ((function() {
- var _i, _results;
- _results = [];
- for (shift = _i = 0; _i <= 24; shift = _i += 8) {
- _results.push((value >> shift) & 0xff);
- }
- return _results;
- })()).reverse();
- } else {
- return null;
- }
- };
- ipaddr.IPv6 = (function() {
- function IPv6(parts) {
- var part, _i, _len;
- if (parts.length !== 8) {
- throw new Error("ipaddr: ipv6 part count should be 8");
- }
- for (_i = 0, _len = parts.length; _i < _len; _i++) {
- part = parts[_i];
- if (!((0 <= part && part <= 0xffff))) {
- throw new Error("ipaddr: ipv6 part should fit to two octets");
- }
- }
- this.parts = parts;
- }
- IPv6.prototype.kind = function() {
- return 'ipv6';
- };
- IPv6.prototype.toString = function() {
- var compactStringParts, part, pushPart, state, stringParts, _i, _len;
- stringParts = (function() {
- var _i, _len, _ref, _results;
- _ref = this.parts;
- _results = [];
- for (_i = 0, _len = _ref.length; _i < _len; _i++) {
- part = _ref[_i];
- _results.push(part.toString(16));
- }
- return _results;
- }).call(this);
- compactStringParts = [];
- pushPart = function(part) {
- return compactStringParts.push(part);
- };
- state = 0;
- for (_i = 0, _len = stringParts.length; _i < _len; _i++) {
- part = stringParts[_i];
- switch (state) {
- case 0:
- if (part === '0') {
- pushPart('');
- } else {
- pushPart(part);
- }
- state = 1;
- break;
- case 1:
- if (part === '0') {
- state = 2;
- } else {
- pushPart(part);
- }
- break;
- case 2:
- if (part !== '0') {
- pushPart('');
- pushPart(part);
- state = 3;
- }
- break;
- case 3:
- pushPart(part);
- }
- }
- if (state === 2) {
- pushPart('');
- pushPart('');
- }
- return compactStringParts.join(":");
- };
- IPv6.prototype.toByteArray = function() {
- var bytes, part, _i, _len, _ref;
- bytes = [];
- _ref = this.parts;
- for (_i = 0, _len = _ref.length; _i < _len; _i++) {
- part = _ref[_i];
- bytes.push(part >> 8);
- bytes.push(part & 0xff);
- }
- return bytes;
- };
- IPv6.prototype.toNormalizedString = function() {
- var part;
- return ((function() {
- var _i, _len, _ref, _results;
- _ref = this.parts;
- _results = [];
- for (_i = 0, _len = _ref.length; _i < _len; _i++) {
- part = _ref[_i];
- _results.push(part.toString(16));
- }
- return _results;
- }).call(this)).join(":");
- };
- IPv6.prototype.match = function(other, cidrRange) {
- if (other.kind() !== 'ipv6') {
- throw new Error("ipaddr: cannot match ipv6 address with non-ipv6 one");
- }
- return matchCIDR(this.parts, other.parts, 16, cidrRange);
- };
- IPv6.prototype.SpecialRanges = {
- unspecified: [new IPv6([0, 0, 0, 0, 0, 0, 0, 0]), 128],
- linkLocal: [new IPv6([0xfe80, 0, 0, 0, 0, 0, 0, 0]), 10],
- multicast: [new IPv6([0xff00, 0, 0, 0, 0, 0, 0, 0]), 8],
- loopback: [new IPv6([0, 0, 0, 0, 0, 0, 0, 1]), 128],
- uniqueLocal: [new IPv6([0xfc00, 0, 0, 0, 0, 0, 0, 0]), 7],
- ipv4Mapped: [new IPv6([0, 0, 0, 0, 0, 0xffff, 0, 0]), 96],
- rfc6145: [new IPv6([0, 0, 0, 0, 0xffff, 0, 0, 0]), 96],
- rfc6052: [new IPv6([0x64, 0xff9b, 0, 0, 0, 0, 0, 0]), 96],
- '6to4': [new IPv6([0x2002, 0, 0, 0, 0, 0, 0, 0]), 16],
- teredo: [new IPv6([0x2001, 0, 0, 0, 0, 0, 0, 0]), 32],
- reserved: [[new IPv6([0x2001, 0xdb8, 0, 0, 0, 0, 0, 0]), 32]]
- };
- IPv6.prototype.range = function() {
- return ipaddr.subnetMatch(this, this.SpecialRanges);
- };
- IPv6.prototype.isIPv4MappedAddress = function() {
- return this.range() === 'ipv4Mapped';
- };
- IPv6.prototype.toIPv4Address = function() {
- var high, low, _ref;
- if (!this.isIPv4MappedAddress()) {
- throw new Error("ipaddr: trying to convert a generic ipv6 address to ipv4");
- }
- _ref = this.parts.slice(-2), high = _ref[0], low = _ref[1];
- return new ipaddr.IPv4([high >> 8, high & 0xff, low >> 8, low & 0xff]);
- };
- return IPv6;
- })();
- ipv6Part = "(?:[0-9a-f]+::?)+";
- ipv6Regexes = {
- "native": new RegExp("^(::)?(" + ipv6Part + ")?([0-9a-f]+)?(::)?$", 'i'),
- transitional: new RegExp(("^((?:" + ipv6Part + ")|(?:::)(?:" + ipv6Part + ")?)") + ("" + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "$"), 'i')
- };
- expandIPv6 = function(string, parts) {
- var colonCount, lastColon, part, replacement, replacementCount;
- if (string.indexOf('::') !== string.lastIndexOf('::')) {
- return null;
- }
- colonCount = 0;
- lastColon = -1;
- while ((lastColon = string.indexOf(':', lastColon + 1)) >= 0) {
- colonCount++;
- }
- if (string[0] === ':') {
- colonCount--;
- }
- if (string[string.length - 1] === ':') {
- colonCount--;
- }
- replacementCount = parts - colonCount;
- replacement = ':';
- while (replacementCount--) {
- replacement += '0:';
- }
- string = string.replace('::', replacement);
- if (string[0] === ':') {
- string = string.slice(1);
- }
- if (string[string.length - 1] === ':') {
- string = string.slice(0, -1);
- }
- return (function() {
- var _i, _len, _ref, _results;
- _ref = string.split(":");
- _results = [];
- for (_i = 0, _len = _ref.length; _i < _len; _i++) {
- part = _ref[_i];
- _results.push(parseInt(part, 16));
- }
- return _results;
- })();
- };
- ipaddr.IPv6.parser = function(string) {
- var match, parts;
- if (string.match(ipv6Regexes['native'])) {
- return expandIPv6(string, 8);
- } else if (match = string.match(ipv6Regexes['transitional'])) {
- parts = expandIPv6(match[1].slice(0, -1), 6);
- if (parts) {
- parts.push(parseInt(match[2]) << 8 | parseInt(match[3]));
- parts.push(parseInt(match[4]) << 8 | parseInt(match[5]));
- return parts;
- }
- }
- return null;
- };
- ipaddr.IPv4.isIPv4 = ipaddr.IPv6.isIPv6 = function(string) {
- return this.parser(string) !== null;
- };
- ipaddr.IPv4.isValid = ipaddr.IPv6.isValid = function(string) {
- var e;
- try {
- new this(this.parser(string));
- return true;
- } catch (_error) {
- e = _error;
- return false;
- }
- };
- ipaddr.IPv4.parse = ipaddr.IPv6.parse = function(string) {
- var parts;
- parts = this.parser(string);
- if (parts === null) {
- throw new Error("ipaddr: string is not formatted like ip address");
- }
- return new this(parts);
- };
- ipaddr.isValid = function(string) {
- return ipaddr.IPv6.isValid(string) || ipaddr.IPv4.isValid(string);
- };
- ipaddr.parse = function(string) {
- if (ipaddr.IPv6.isIPv6(string)) {
- return ipaddr.IPv6.parse(string);
- } else if (ipaddr.IPv4.isIPv4(string)) {
- return ipaddr.IPv4.parse(string);
- } else {
- throw new Error("ipaddr: the address has neither IPv6 nor IPv4 format");
- }
- };
- ipaddr.process = function(string) {
- var addr;
- addr = this.parse(string);
- if (addr.kind() === 'ipv6' && addr.isIPv4MappedAddress()) {
- return addr.toIPv4Address();
- } else {
- return addr;
- }
- };
- }).call(this);
|