673 lines
19 KiB
JavaScript
673 lines
19 KiB
JavaScript
(function() {
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var expandIPv6, ipaddr, ipv4Part, ipv4Regexes, ipv6Part, ipv6Regexes, matchCIDR, root, zoneIndex;
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ipaddr = {};
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root = this;
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if ((typeof module !== "undefined" && module !== null) && module.exports) {
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module.exports = ipaddr;
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} else {
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root['ipaddr'] = ipaddr;
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}
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matchCIDR = function(first, second, partSize, cidrBits) {
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var part, shift;
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if (first.length !== second.length) {
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throw new Error("ipaddr: cannot match CIDR for objects with different lengths");
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}
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part = 0;
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while (cidrBits > 0) {
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shift = partSize - cidrBits;
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if (shift < 0) {
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shift = 0;
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}
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if (first[part] >> shift !== second[part] >> shift) {
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return false;
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}
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cidrBits -= partSize;
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part += 1;
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}
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return true;
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};
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ipaddr.subnetMatch = function(address, rangeList, defaultName) {
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var k, len, rangeName, rangeSubnets, subnet;
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if (defaultName == null) {
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defaultName = 'unicast';
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}
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for (rangeName in rangeList) {
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rangeSubnets = rangeList[rangeName];
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if (rangeSubnets[0] && !(rangeSubnets[0] instanceof Array)) {
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rangeSubnets = [rangeSubnets];
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}
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for (k = 0, len = rangeSubnets.length; k < len; k++) {
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subnet = rangeSubnets[k];
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if (address.kind() === subnet[0].kind()) {
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if (address.match.apply(address, subnet)) {
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return rangeName;
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}
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}
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}
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}
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return defaultName;
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};
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ipaddr.IPv4 = (function() {
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function IPv4(octets) {
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var k, len, octet;
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if (octets.length !== 4) {
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throw new Error("ipaddr: ipv4 octet count should be 4");
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}
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for (k = 0, len = octets.length; k < len; k++) {
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octet = octets[k];
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if (!((0 <= octet && octet <= 255))) {
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throw new Error("ipaddr: ipv4 octet should fit in 8 bits");
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}
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}
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this.octets = octets;
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}
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IPv4.prototype.kind = function() {
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return 'ipv4';
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};
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IPv4.prototype.toString = function() {
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return this.octets.join(".");
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};
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IPv4.prototype.toNormalizedString = function() {
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return this.toString();
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};
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IPv4.prototype.toByteArray = function() {
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return this.octets.slice(0);
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};
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IPv4.prototype.match = function(other, cidrRange) {
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var ref;
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if (cidrRange === void 0) {
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ref = other, other = ref[0], cidrRange = ref[1];
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}
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if (other.kind() !== 'ipv4') {
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throw new Error("ipaddr: cannot match ipv4 address with non-ipv4 one");
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}
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return matchCIDR(this.octets, other.octets, 8, cidrRange);
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};
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IPv4.prototype.SpecialRanges = {
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unspecified: [[new IPv4([0, 0, 0, 0]), 8]],
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broadcast: [[new IPv4([255, 255, 255, 255]), 32]],
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multicast: [[new IPv4([224, 0, 0, 0]), 4]],
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linkLocal: [[new IPv4([169, 254, 0, 0]), 16]],
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loopback: [[new IPv4([127, 0, 0, 0]), 8]],
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carrierGradeNat: [[new IPv4([100, 64, 0, 0]), 10]],
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"private": [[new IPv4([10, 0, 0, 0]), 8], [new IPv4([172, 16, 0, 0]), 12], [new IPv4([192, 168, 0, 0]), 16]],
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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]]
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};
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IPv4.prototype.range = function() {
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return ipaddr.subnetMatch(this, this.SpecialRanges);
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};
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IPv4.prototype.toIPv4MappedAddress = function() {
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return ipaddr.IPv6.parse("::ffff:" + (this.toString()));
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};
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IPv4.prototype.prefixLengthFromSubnetMask = function() {
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var cidr, i, k, octet, stop, zeros, zerotable;
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zerotable = {
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0: 8,
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128: 7,
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192: 6,
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224: 5,
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240: 4,
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248: 3,
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252: 2,
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254: 1,
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255: 0
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};
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cidr = 0;
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stop = false;
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for (i = k = 3; k >= 0; i = k += -1) {
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octet = this.octets[i];
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if (octet in zerotable) {
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zeros = zerotable[octet];
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if (stop && zeros !== 0) {
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return null;
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}
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if (zeros !== 8) {
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stop = true;
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}
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cidr += zeros;
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} else {
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return null;
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}
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}
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return 32 - cidr;
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};
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return IPv4;
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})();
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ipv4Part = "(0?\\d+|0x[a-f0-9]+)";
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ipv4Regexes = {
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fourOctet: new RegExp("^" + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "$", 'i'),
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longValue: new RegExp("^" + ipv4Part + "$", 'i')
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};
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ipaddr.IPv4.parser = function(string) {
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var match, parseIntAuto, part, shift, value;
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parseIntAuto = function(string) {
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if (string[0] === "0" && string[1] !== "x") {
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return parseInt(string, 8);
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} else {
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return parseInt(string);
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}
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};
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if (match = string.match(ipv4Regexes.fourOctet)) {
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return (function() {
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var k, len, ref, results;
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ref = match.slice(1, 6);
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results = [];
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for (k = 0, len = ref.length; k < len; k++) {
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part = ref[k];
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results.push(parseIntAuto(part));
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}
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return results;
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})();
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} else if (match = string.match(ipv4Regexes.longValue)) {
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value = parseIntAuto(match[1]);
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if (value > 0xffffffff || value < 0) {
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throw new Error("ipaddr: address outside defined range");
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}
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return ((function() {
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var k, results;
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results = [];
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for (shift = k = 0; k <= 24; shift = k += 8) {
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results.push((value >> shift) & 0xff);
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}
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return results;
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})()).reverse();
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} else {
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return null;
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}
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};
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ipaddr.IPv6 = (function() {
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function IPv6(parts, zoneId) {
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var i, k, l, len, part, ref;
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if (parts.length === 16) {
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this.parts = [];
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for (i = k = 0; k <= 14; i = k += 2) {
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this.parts.push((parts[i] << 8) | parts[i + 1]);
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}
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} else if (parts.length === 8) {
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this.parts = parts;
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} else {
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throw new Error("ipaddr: ipv6 part count should be 8 or 16");
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}
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ref = this.parts;
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for (l = 0, len = ref.length; l < len; l++) {
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part = ref[l];
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if (!((0 <= part && part <= 0xffff))) {
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throw new Error("ipaddr: ipv6 part should fit in 16 bits");
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}
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}
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if (zoneId) {
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this.zoneId = zoneId;
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}
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}
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IPv6.prototype.kind = function() {
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return 'ipv6';
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};
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IPv6.prototype.toString = function() {
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return this.toNormalizedString().replace(/((^|:)(0(:|$))+)/, '::');
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};
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IPv6.prototype.toRFC5952String = function() {
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var bestMatchIndex, bestMatchLength, match, regex, string;
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regex = /((^|:)(0(:|$)){2,})/g;
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string = this.toNormalizedString();
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bestMatchIndex = 0;
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bestMatchLength = -1;
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while ((match = regex.exec(string))) {
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if (match[0].length > bestMatchLength) {
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bestMatchIndex = match.index;
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bestMatchLength = match[0].length;
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}
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}
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if (bestMatchLength < 0) {
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return string;
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}
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return string.substring(0, bestMatchIndex) + '::' + string.substring(bestMatchIndex + bestMatchLength);
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};
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IPv6.prototype.toByteArray = function() {
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var bytes, k, len, part, ref;
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bytes = [];
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ref = this.parts;
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for (k = 0, len = ref.length; k < len; k++) {
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part = ref[k];
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bytes.push(part >> 8);
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bytes.push(part & 0xff);
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}
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return bytes;
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};
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IPv6.prototype.toNormalizedString = function() {
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var addr, part, suffix;
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addr = ((function() {
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var k, len, ref, results;
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ref = this.parts;
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results = [];
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for (k = 0, len = ref.length; k < len; k++) {
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part = ref[k];
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results.push(part.toString(16));
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}
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return results;
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}).call(this)).join(":");
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suffix = '';
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if (this.zoneId) {
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suffix = '%' + this.zoneId;
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}
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return addr + suffix;
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};
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IPv6.prototype.toFixedLengthString = function() {
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var addr, part, suffix;
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addr = ((function() {
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var k, len, ref, results;
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ref = this.parts;
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results = [];
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for (k = 0, len = ref.length; k < len; k++) {
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part = ref[k];
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results.push(part.toString(16).padStart(4, '0'));
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}
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return results;
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}).call(this)).join(":");
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suffix = '';
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if (this.zoneId) {
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suffix = '%' + this.zoneId;
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}
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return addr + suffix;
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};
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IPv6.prototype.match = function(other, cidrRange) {
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var ref;
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if (cidrRange === void 0) {
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ref = other, other = ref[0], cidrRange = ref[1];
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}
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if (other.kind() !== 'ipv6') {
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throw new Error("ipaddr: cannot match ipv6 address with non-ipv6 one");
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}
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return matchCIDR(this.parts, other.parts, 16, cidrRange);
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};
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IPv6.prototype.SpecialRanges = {
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unspecified: [new IPv6([0, 0, 0, 0, 0, 0, 0, 0]), 128],
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linkLocal: [new IPv6([0xfe80, 0, 0, 0, 0, 0, 0, 0]), 10],
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multicast: [new IPv6([0xff00, 0, 0, 0, 0, 0, 0, 0]), 8],
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loopback: [new IPv6([0, 0, 0, 0, 0, 0, 0, 1]), 128],
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uniqueLocal: [new IPv6([0xfc00, 0, 0, 0, 0, 0, 0, 0]), 7],
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ipv4Mapped: [new IPv6([0, 0, 0, 0, 0, 0xffff, 0, 0]), 96],
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rfc6145: [new IPv6([0, 0, 0, 0, 0xffff, 0, 0, 0]), 96],
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rfc6052: [new IPv6([0x64, 0xff9b, 0, 0, 0, 0, 0, 0]), 96],
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'6to4': [new IPv6([0x2002, 0, 0, 0, 0, 0, 0, 0]), 16],
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teredo: [new IPv6([0x2001, 0, 0, 0, 0, 0, 0, 0]), 32],
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reserved: [[new IPv6([0x2001, 0xdb8, 0, 0, 0, 0, 0, 0]), 32]]
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};
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IPv6.prototype.range = function() {
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return ipaddr.subnetMatch(this, this.SpecialRanges);
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};
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IPv6.prototype.isIPv4MappedAddress = function() {
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return this.range() === 'ipv4Mapped';
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};
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IPv6.prototype.toIPv4Address = function() {
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var high, low, ref;
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if (!this.isIPv4MappedAddress()) {
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throw new Error("ipaddr: trying to convert a generic ipv6 address to ipv4");
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}
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ref = this.parts.slice(-2), high = ref[0], low = ref[1];
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return new ipaddr.IPv4([high >> 8, high & 0xff, low >> 8, low & 0xff]);
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};
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IPv6.prototype.prefixLengthFromSubnetMask = function() {
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var cidr, i, k, part, stop, zeros, zerotable;
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zerotable = {
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0: 16,
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32768: 15,
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49152: 14,
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57344: 13,
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61440: 12,
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63488: 11,
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64512: 10,
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65024: 9,
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65280: 8,
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65408: 7,
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65472: 6,
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65504: 5,
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65520: 4,
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65528: 3,
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65532: 2,
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65534: 1,
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65535: 0
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};
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cidr = 0;
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stop = false;
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for (i = k = 7; k >= 0; i = k += -1) {
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part = this.parts[i];
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if (part in zerotable) {
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zeros = zerotable[part];
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if (stop && zeros !== 0) {
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return null;
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}
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if (zeros !== 16) {
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stop = true;
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}
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cidr += zeros;
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} else {
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return null;
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}
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}
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return 128 - cidr;
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};
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return IPv6;
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})();
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ipv6Part = "(?:[0-9a-f]+::?)+";
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zoneIndex = "%[0-9a-z]{1,}";
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ipv6Regexes = {
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zoneIndex: new RegExp(zoneIndex, 'i'),
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"native": new RegExp("^(::)?(" + ipv6Part + ")?([0-9a-f]+)?(::)?(" + zoneIndex + ")?$", 'i'),
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transitional: new RegExp(("^((?:" + ipv6Part + ")|(?:::)(?:" + ipv6Part + ")?)") + (ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part) + ("(" + zoneIndex + ")?$"), 'i')
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};
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expandIPv6 = function(string, parts) {
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var colonCount, lastColon, part, replacement, replacementCount, zoneId;
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if (string.indexOf('::') !== string.lastIndexOf('::')) {
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return null;
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}
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zoneId = (string.match(ipv6Regexes['zoneIndex']) || [])[0];
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if (zoneId) {
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zoneId = zoneId.substring(1);
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string = string.replace(/%.+$/, '');
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}
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colonCount = 0;
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lastColon = -1;
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while ((lastColon = string.indexOf(':', lastColon + 1)) >= 0) {
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colonCount++;
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}
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if (string.substr(0, 2) === '::') {
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colonCount--;
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}
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if (string.substr(-2, 2) === '::') {
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colonCount--;
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}
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if (colonCount > parts) {
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return null;
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}
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replacementCount = parts - colonCount;
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replacement = ':';
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while (replacementCount--) {
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replacement += '0:';
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}
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string = string.replace('::', replacement);
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if (string[0] === ':') {
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string = string.slice(1);
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}
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if (string[string.length - 1] === ':') {
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string = string.slice(0, -1);
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}
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parts = (function() {
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var k, len, ref, results;
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ref = string.split(":");
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results = [];
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for (k = 0, len = ref.length; k < len; k++) {
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part = ref[k];
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results.push(parseInt(part, 16));
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}
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return results;
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})();
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return {
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parts: parts,
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zoneId: zoneId
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};
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};
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ipaddr.IPv6.parser = function(string) {
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var addr, k, len, match, octet, octets, zoneId;
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if (ipv6Regexes['native'].test(string)) {
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return expandIPv6(string, 8);
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} else if (match = string.match(ipv6Regexes['transitional'])) {
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zoneId = match[6] || '';
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addr = expandIPv6(match[1].slice(0, -1) + zoneId, 6);
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if (addr.parts) {
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octets = [parseInt(match[2]), parseInt(match[3]), parseInt(match[4]), parseInt(match[5])];
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for (k = 0, len = octets.length; k < len; k++) {
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octet = octets[k];
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if (!((0 <= octet && octet <= 255))) {
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return null;
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}
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}
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addr.parts.push(octets[0] << 8 | octets[1]);
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addr.parts.push(octets[2] << 8 | octets[3]);
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return {
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parts: addr.parts,
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zoneId: addr.zoneId
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};
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}
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}
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return null;
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};
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ipaddr.IPv4.isIPv4 = ipaddr.IPv6.isIPv6 = function(string) {
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return this.parser(string) !== null;
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};
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ipaddr.IPv4.isValid = function(string) {
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var e;
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try {
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new this(this.parser(string));
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return true;
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} catch (error1) {
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e = error1;
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return false;
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}
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};
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ipaddr.IPv4.isValidFourPartDecimal = function(string) {
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if (ipaddr.IPv4.isValid(string) && string.match(/^(0|[1-9]\d*)(\.(0|[1-9]\d*)){3}$/)) {
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return true;
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} else {
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return false;
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}
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};
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ipaddr.IPv6.isValid = function(string) {
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var addr, e;
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if (typeof string === "string" && string.indexOf(":") === -1) {
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return false;
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}
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try {
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addr = this.parser(string);
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new this(addr.parts, addr.zoneId);
|
|
return true;
|
|
} catch (error1) {
|
|
e = error1;
|
|
return false;
|
|
}
|
|
};
|
|
|
|
ipaddr.IPv4.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.IPv6.parse = function(string) {
|
|
var addr;
|
|
addr = this.parser(string);
|
|
if (addr.parts === null) {
|
|
throw new Error("ipaddr: string is not formatted like ip address");
|
|
}
|
|
return new this(addr.parts, addr.zoneId);
|
|
};
|
|
|
|
ipaddr.IPv4.parseCIDR = function(string) {
|
|
var maskLength, match, parsed;
|
|
if (match = string.match(/^(.+)\/(\d+)$/)) {
|
|
maskLength = parseInt(match[2]);
|
|
if (maskLength >= 0 && maskLength <= 32) {
|
|
parsed = [this.parse(match[1]), maskLength];
|
|
Object.defineProperty(parsed, 'toString', {
|
|
value: function() {
|
|
return this.join('/');
|
|
}
|
|
});
|
|
return parsed;
|
|
}
|
|
}
|
|
throw new Error("ipaddr: string is not formatted like an IPv4 CIDR range");
|
|
};
|
|
|
|
ipaddr.IPv4.subnetMaskFromPrefixLength = function(prefix) {
|
|
var filledOctetCount, j, octets;
|
|
prefix = parseInt(prefix);
|
|
if (prefix < 0 || prefix > 32) {
|
|
throw new Error('ipaddr: invalid IPv4 prefix length');
|
|
}
|
|
octets = [0, 0, 0, 0];
|
|
j = 0;
|
|
filledOctetCount = Math.floor(prefix / 8);
|
|
while (j < filledOctetCount) {
|
|
octets[j] = 255;
|
|
j++;
|
|
}
|
|
if (filledOctetCount < 4) {
|
|
octets[filledOctetCount] = Math.pow(2, prefix % 8) - 1 << 8 - (prefix % 8);
|
|
}
|
|
return new this(octets);
|
|
};
|
|
|
|
ipaddr.IPv4.broadcastAddressFromCIDR = function(string) {
|
|
var cidr, error, i, ipInterfaceOctets, octets, subnetMaskOctets;
|
|
try {
|
|
cidr = this.parseCIDR(string);
|
|
ipInterfaceOctets = cidr[0].toByteArray();
|
|
subnetMaskOctets = this.subnetMaskFromPrefixLength(cidr[1]).toByteArray();
|
|
octets = [];
|
|
i = 0;
|
|
while (i < 4) {
|
|
octets.push(parseInt(ipInterfaceOctets[i], 10) | parseInt(subnetMaskOctets[i], 10) ^ 255);
|
|
i++;
|
|
}
|
|
return new this(octets);
|
|
} catch (error1) {
|
|
error = error1;
|
|
throw new Error('ipaddr: the address does not have IPv4 CIDR format');
|
|
}
|
|
};
|
|
|
|
ipaddr.IPv4.networkAddressFromCIDR = function(string) {
|
|
var cidr, error, i, ipInterfaceOctets, octets, subnetMaskOctets;
|
|
try {
|
|
cidr = this.parseCIDR(string);
|
|
ipInterfaceOctets = cidr[0].toByteArray();
|
|
subnetMaskOctets = this.subnetMaskFromPrefixLength(cidr[1]).toByteArray();
|
|
octets = [];
|
|
i = 0;
|
|
while (i < 4) {
|
|
octets.push(parseInt(ipInterfaceOctets[i], 10) & parseInt(subnetMaskOctets[i], 10));
|
|
i++;
|
|
}
|
|
return new this(octets);
|
|
} catch (error1) {
|
|
error = error1;
|
|
throw new Error('ipaddr: the address does not have IPv4 CIDR format');
|
|
}
|
|
};
|
|
|
|
ipaddr.IPv6.parseCIDR = function(string) {
|
|
var maskLength, match, parsed;
|
|
if (match = string.match(/^(.+)\/(\d+)$/)) {
|
|
maskLength = parseInt(match[2]);
|
|
if (maskLength >= 0 && maskLength <= 128) {
|
|
parsed = [this.parse(match[1]), maskLength];
|
|
Object.defineProperty(parsed, 'toString', {
|
|
value: function() {
|
|
return this.join('/');
|
|
}
|
|
});
|
|
return parsed;
|
|
}
|
|
}
|
|
throw new Error("ipaddr: string is not formatted like an IPv6 CIDR range");
|
|
};
|
|
|
|
ipaddr.isValid = function(string) {
|
|
return ipaddr.IPv6.isValid(string) || ipaddr.IPv4.isValid(string);
|
|
};
|
|
|
|
ipaddr.parse = function(string) {
|
|
if (ipaddr.IPv6.isValid(string)) {
|
|
return ipaddr.IPv6.parse(string);
|
|
} else if (ipaddr.IPv4.isValid(string)) {
|
|
return ipaddr.IPv4.parse(string);
|
|
} else {
|
|
throw new Error("ipaddr: the address has neither IPv6 nor IPv4 format");
|
|
}
|
|
};
|
|
|
|
ipaddr.parseCIDR = function(string) {
|
|
var e;
|
|
try {
|
|
return ipaddr.IPv6.parseCIDR(string);
|
|
} catch (error1) {
|
|
e = error1;
|
|
try {
|
|
return ipaddr.IPv4.parseCIDR(string);
|
|
} catch (error1) {
|
|
e = error1;
|
|
throw new Error("ipaddr: the address has neither IPv6 nor IPv4 CIDR format");
|
|
}
|
|
}
|
|
};
|
|
|
|
ipaddr.fromByteArray = function(bytes) {
|
|
var length;
|
|
length = bytes.length;
|
|
if (length === 4) {
|
|
return new ipaddr.IPv4(bytes);
|
|
} else if (length === 16) {
|
|
return new ipaddr.IPv6(bytes);
|
|
} else {
|
|
throw new Error("ipaddr: the binary input is neither an IPv6 nor IPv4 address");
|
|
}
|
|
};
|
|
|
|
ipaddr.process = function(string) {
|
|
var addr;
|
|
addr = this.parse(string);
|
|
if (addr.kind() === 'ipv6' && addr.isIPv4MappedAddress()) {
|
|
return addr.toIPv4Address();
|
|
} else {
|
|
return addr;
|
|
}
|
|
};
|
|
|
|
}).call(this);
|