range_check
Version:
This is a simple module to validate IP address, check ip address version, check if ip is within a range.
240 lines (238 loc) • 7.05 kB
JavaScript
;
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/index.ts
var src_exports = {};
__export(src_exports, {
IPFingerprint: () => IPFingerprint,
IPFingerprintHashed: () => IPFingerprintHashed,
displayIP: () => displayIP,
inRange: () => inRange,
isIP: () => isIP,
isIPInRangeOrPrivate: () => isIPInRangeOrPrivate,
isPrivateIP: () => isPrivateIP,
isRange: () => isRange,
isV4: () => isV4,
isV6: () => isV6,
searchIP: () => storeIP,
storeIP: () => storeIP,
version: () => version
});
module.exports = __toCommonJS(src_exports);
var import_ipaddr = __toESM(require("ipaddr.js"));
var import_ip6 = __toESM(require("ip6"));
function isIP(addr) {
const ver = version(addr);
return ver === 4 || ver === 6;
}
function version(addr) {
try {
const parse_addr = import_ipaddr.default.parse(addr);
const kind = parse_addr.kind();
if (kind === "ipv4") {
if (import_ipaddr.default.IPv4.isValidFourPartDecimal(addr)) {
return 4;
} else {
return 0;
}
} else if (kind === "ipv6") {
return 6;
} else {
return 0;
}
} catch (err) {
return 0;
}
}
function isV4(addr) {
return version(addr) === 4;
}
function isV6(addr) {
return version(addr) === 6;
}
function isRange(range) {
try {
import_ipaddr.default.parseCIDR(range);
return true;
} catch (err) {
return false;
}
}
function inRange(addr, range) {
if (typeof range === "string") {
if (range.indexOf("/") !== -1) {
try {
const range_data = range.split("/");
const parse_addr = import_ipaddr.default.parse(addr);
const parse_range = import_ipaddr.default.parse(range_data[0]);
return parse_addr.match(parse_range, range_data[1]);
} catch (err) {
return false;
}
} else {
addr = isV6(addr) ? import_ip6.default.normalize(addr) : addr;
range = isV6(range) ? import_ip6.default.normalize(range) : range;
return isIP(range) && addr === range;
}
} else if (range && typeof range === "object") {
for (const check_range in range) {
if (inRange(addr, range[check_range]) === true) {
return true;
}
}
return false;
} else {
return false;
}
}
function isPrivateIP(ip) {
try {
const addr = import_ipaddr.default.parse(ip);
const kind = addr.kind();
const range = addr.range();
if (kind === "ipv4") {
return range === "private" || range === "loopback" || ip === "127.0.0.1";
} else if (kind === "ipv6") {
if (range === "ipv4Mapped") {
const ipv4 = addr.toIPv4Address();
return ipv4.range() === "private" || ipv4.range() === "loopback" || ip === "127.0.0.1";
} else {
return range === "uniqueLocal" || range === "loopback" || ip === "::1";
}
}
return false;
} catch (err) {
return false;
}
}
function isIPInRangeOrPrivate(ip, options = { allowAnyPrivate: true }) {
if (options.allowAnyPrivate !== false && isPrivateIP(ip)) {
return true;
}
if (options.ranges) {
return inRange(ip, options.ranges);
}
return false;
}
function storeIP(addr) {
try {
var parse_addr = import_ipaddr.default.parse(addr);
var kind = parse_addr.kind();
if (kind === "ipv4") {
return addr;
} else if (kind === "ipv6") {
if (parse_addr.isIPv4MappedAddress()) {
return parse_addr.toIPv4Address().toString();
} else {
return import_ip6.default.abbreviate(addr);
}
} else {
return null;
}
} catch (err) {
return null;
}
}
function displayIP(addr) {
try {
var parse_addr = import_ipaddr.default.parse(addr);
var kind = parse_addr.kind();
if (kind === "ipv4") {
return addr;
} else if (kind === "ipv6") {
if (parse_addr.isIPv4MappedAddress()) {
return parse_addr.toIPv4Address().toString();
} else {
return import_ip6.default.normalize(addr);
}
} else {
return "";
}
} catch (err) {
return "";
}
}
function IPFingerprint(addr) {
const ver = version(addr);
if (ver === 4) {
return `v4:${addr}`;
} else if (ver === 6) {
try {
const parsedAddr = import_ipaddr.default.parse(addr);
if (parsedAddr.kind() === "ipv6") {
if (
//@ts-ignore: it exists!
parsedAddr.isIPv4MappedAddress()
) {
const ipv4Addr = parsedAddr.toIPv4Address().toString();
return `v4:${ipv4Addr}`;
}
const parts = parsedAddr.parts;
const prefix = parts.slice(0, 4).map((part) => part.toString(16)).join(":");
return `v6:${prefix}::`;
}
throw new Error("Invalid IPv6 address");
} catch (err) {
throw new Error("Invalid IPv6 address");
}
} else {
throw new Error("Invalid IP address");
}
}
async function IPFingerprintHashed(addr) {
const fingerprint = IPFingerprint(addr);
const [prefix, ipPart] = fingerprint.split(":", 2);
const encoder = new TextEncoder();
const data = encoder.encode(ipPart);
try {
const hashBuffer = await crypto.subtle.digest("SHA-256", data);
const hashArray = Array.from(new Uint8Array(hashBuffer));
const hashHex = hashArray.map((b) => b.toString(16).padStart(2, "0")).join("");
return `${prefix}:${hashHex}`;
} catch (error) {
throw new Error(
"Crypto functionality not available - hashing failed. Use the non-hashed version instead."
);
}
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
IPFingerprint,
IPFingerprintHashed,
displayIP,
inRange,
isIP,
isIPInRangeOrPrivate,
isPrivateIP,
isRange,
isV4,
isV6,
searchIP,
storeIP,
version
});