mirror of
https://github.com/tiennm99/is-a-dev.git
synced 2026-05-19 21:25:36 +00:00
William Harrison
364 lines
15 KiB
JavaScript
364 lines
15 KiB
JavaScript
const t = require("ava");
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const fs = require("fs-extra");
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const path = require("path");
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const validRecordTypes = ["A", "AAAA", "CAA", "CNAME", "DS", "MX", "NS", "SRV", "TXT", "URL"];
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const hostnameRegex = /^(?=.{1,253}$)(?:(?:[_a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)\.)+[a-zA-Z]{2,63}$/;
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const ipv4Regex = /^(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(\.(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}$/;
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const ipv6Regex =
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/^(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$|^::(?:[0-9a-fA-F]{1,4}:){0,6}[0-9a-fA-F]{1,4}$|^(?:[0-9a-fA-F]{1,4}:){1,7}:$|^(?:[0-9a-fA-F]{1,4}:){0,6}::(?:[0-9a-fA-F]{1,4}:){0,5}[0-9a-fA-F]{1,4}$/;
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const domainsPath = path.resolve("domains");
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const files = fs.readdirSync(domainsPath);
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function expandIPv6(ip) {
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// Split into segments by ":"
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let segments = ip.split(":");
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// Count the number of segments that are empty due to "::" shorthand
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const emptyIndex = segments.indexOf("");
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if (emptyIndex !== -1) {
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// Calculate how many "0000" segments are missing
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const nonEmptySegments = segments.filter((seg) => seg !== "");
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const missingSegments = 8 - nonEmptySegments.length;
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// Insert the missing "0000" segments into the position of the empty segment
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segments = [
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...nonEmptySegments.slice(0, emptyIndex),
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...Array(missingSegments).fill("0000"),
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...nonEmptySegments.slice(emptyIndex)
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];
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}
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// Expand each segment to 4 characters, padding with leading zeros
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const expandedSegments = segments.map((segment) => segment.padStart(4, "0"));
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// Join the segments back together
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return expandedSegments.join(":");
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}
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function isPublicIPv4(ip, proxied) {
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const parts = ip.split(".").map(Number);
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// Validate IPv4 address format
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if (parts.length !== 4 || parts.some((part) => isNaN(part) || part < 0 || part > 255)) {
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return false;
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}
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// Exception for 192.0.2.1, assuming the domain is proxied
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if (ip === "192.0.2.1" && proxied) {
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return true;
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}
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// Check for private and reserved IPv4 ranges
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return !(
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// Private ranges
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(
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parts[0] === 10 ||
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(parts[0] === 172 && parts[1] >= 16 && parts[1] <= 31) ||
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(parts[0] === 192 && parts[1] === 168) ||
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// Reserved or special-use ranges
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(parts[0] === 100 && parts[1] >= 64 && parts[1] <= 127) || // Carrier-grade NAT
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(parts[0] === 169 && parts[1] === 254) || // Link-local
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(parts[0] === 192 && parts[1] === 0 && parts[2] === 0) || // IETF Protocol Assignments
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(parts[0] === 192 && parts[1] === 0 && parts[2] === 2) || // Documentation (TEST-NET-1)
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(parts[0] === 198 && parts[1] === 18) || // Network Interconnect Devices
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(parts[0] === 198 && parts[1] === 51 && parts[2] === 100) || // Documentation (TEST-NET-2)
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(parts[0] === 203 && parts[1] === 0 && parts[2] === 113) || // Documentation (TEST-NET-3)
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parts[0] >= 224
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) // Multicast and reserved ranges
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);
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}
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function isPublicIPv6(ip) {
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const normalizedIP = ip.toLowerCase();
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// Check for private or special-use IPv6 ranges
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return !(
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(
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normalizedIP.startsWith("fc") || // Unique Local Address (ULA)
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normalizedIP.startsWith("fd") || // Unique Local Address (ULA)
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normalizedIP.startsWith("fe80") || // Link-local
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normalizedIP.startsWith("::1") || // Loopback address (::1)
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normalizedIP.startsWith("2001:db8")
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) // Documentation range
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);
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}
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t("All files should have valid record types", (t) => {
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files.forEach((file) => {
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const data = fs.readJsonSync(path.join(domainsPath, file));
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const recordKeys = Object.keys(data.record);
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recordKeys.forEach((key) => {
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t.true(validRecordTypes.includes(key), `${file}: Invalid record type: ${key}`);
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});
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// CNAME records cannot be combined with any other record type
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if (recordKeys.includes("CNAME")) {
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t.is(recordKeys.length, Number(1), `${file}: CNAME records cannot be combined with other records`);
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}
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// NS records cannot be combined with any other record type, except for DS records
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if (recordKeys.includes("NS")) {
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t.true(
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recordKeys.length === 1 || (recordKeys.length === 2 && recordKeys.includes("DS")),
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`${file}: NS records cannot be combined with other records, except for DS records`
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);
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}
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// DS records must be combined with NS records
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if (recordKeys.includes("DS")) {
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t.true(recordKeys.includes("NS"), `${file}: DS records must be combined with NS records`);
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}
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});
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});
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t("All files should not have duplicate record keys", (t) => {
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files.forEach((file) => {
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const data = fs.readJsonSync(path.join(domainsPath, file));
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const recordKeys = Object.keys(data.record);
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const uniqueRecordKeys = new Set(recordKeys);
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t.is(recordKeys.length, uniqueRecordKeys.size, `${file}: Duplicate record keys found`);
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});
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});
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t("All files should have valid record values", (t) => {
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files.forEach((file) => {
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const data = fs.readJsonSync(path.join(domainsPath, file));
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Object.keys(data.record).forEach((key) => {
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const value = data.record[key];
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// *: string[]
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if (["A", "AAAA", "MX", "NS"].includes(key)) {
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t.true(Array.isArray(value), `${file}: Record value should be an array for ${key}`);
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value.forEach((record) => {
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t.true(
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typeof record === "string",
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`${file}: Record value should be a string for ${key} at index ${value.indexOf(record)}`
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);
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});
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// A: string[]
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if (key === "A") {
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value.forEach((record) => {
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t.regex(
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record,
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ipv4Regex,
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`${file}: Record value should be a valid IPv4 address for ${key} at index ${value.indexOf(
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record
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)}`
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);
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t.true(
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isPublicIPv4(record, data.proxied),
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`${file}: Record value should be a public IPv4 address for ${key} at index ${value.indexOf(
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record
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)}`
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);
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});
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}
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// AAAA: string[]
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if (key === "AAAA") {
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value.forEach((record) => {
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t.regex(
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expandIPv6(record),
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ipv6Regex,
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`${file}: Record value should be a valid IPv6 address for ${key} at index ${value.indexOf(
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record
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)}`
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);
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t.true(
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isPublicIPv6(record),
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`${file}: Record value should be a public IPv6 address for ${key} at index ${value.indexOf(
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record
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)}`
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);
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});
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}
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// *: string[]
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if (["MX", "NS"].includes(key)) {
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value.forEach((record) => {
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t.regex(
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record,
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hostnameRegex,
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`${file}: Record value should be a valid hostname for ${key} at index ${value.indexOf(
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record
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)}`
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);
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});
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}
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}
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// *: string
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if (["CNAME", "URL"].includes(key)) {
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t.true(typeof value === "string", `${file}: Record value should be a string for ${key}`);
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if (key === "CNAME") {
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t.regex(value, hostnameRegex, `${file}: Record value should be a valid hostname for ${key}`);
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if(file === "@.json") {
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t.false(
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value === "is-a.dev",
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`${file}: Record value should not reference itself for ${key}`
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);
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} else {
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t.false(
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value === file.replace(/\.json$/, "") + ".is-a.dev",
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`${file}: Record value should not reference itself for ${key}`
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);
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}
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}
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if (key === "URL") {
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t.notThrows(() => new URL(value), `${file}: Record value should be a valid URL for ${key}`);
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if(file === "@.json") {
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t.false(
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value === "http://is-a.dev",
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`${file}: Record value should not reference itself for ${key}`
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);
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t.false(
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value === "https://is-a.dev",
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`${file}: Record value should not reference itself for ${key}`
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);
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} else {
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t.false(
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value === "http://" + file.replace(/\.json$/, "") + ".is-a.dev",
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`${file}: Record value should not reference itself for ${key}`
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);
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t.false(
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value === "https://" + file.replace(/\.json$/, "") + ".is-a.dev",
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`${file}: Record value should not reference itself for ${key}`
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);
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}
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}
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}
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// *: {}[]
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if (["CAA", "DS", "SRV"].includes(key)) {
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t.true(Array.isArray(value), `${file}: Record value should be an array for ${key}`);
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value.forEach((record) => {
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t.true(
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typeof record === "object",
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`${file}: Record value should be an object for ${key} at index ${value.indexOf(record)}`
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);
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});
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// CAA: { flags: number, tag: string, value: string }[]
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if (key === "CAA") {
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value.forEach((record) => {
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t.true(
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typeof record.flags === "number",
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`${file}: CAA record value should have a number for flags at index ${value.indexOf(record)}`
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);
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t.true(
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typeof record.tag === "string",
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`${file}: CAA record value should have a string for tag at index ${value.indexOf(record)}`
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);
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t.true(
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typeof record.value === "string",
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`${file}: CAA record value should have a string for value at index ${value.indexOf(record)}`
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);
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});
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}
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// DS: { key_tag: number, algorithm: number, digest_type: number, digest: string }[]
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if (key === "DS") {
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value.forEach((record) => {
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t.true(
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typeof record.key_tag === "number",
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`${file}: DS record value should have a number for key_tag at index ${value.indexOf(
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record
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)}`
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);
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t.true(
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typeof record.algorithm === "number",
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`${file}: DS record value should have a number for algorithm at index ${value.indexOf(
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record
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)}`
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);
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t.true(
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typeof record.digest_type === "number",
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`${file}: DS record value should have a number for digest_type at index ${value.indexOf(
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record
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)}`
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);
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t.true(
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typeof record.digest === "string",
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`${file}: DS record value should have a string for digest at index ${value.indexOf(record)}`
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);
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});
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}
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// SRV: { priority: number, weight: number, port: number, target: string }[]
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if (key === "SRV") {
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value.forEach((record) => {
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t.true(
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typeof record.priority === "number",
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`${file}: SRV record value should have a number for priority at index ${value.indexOf(
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record
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)}`
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);
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t.true(
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typeof record.weight === "number",
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`${file}: SRV record value should have a number for weight at index ${value.indexOf(
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record
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)}`
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);
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t.true(
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typeof record.port === "number",
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`${file}: SRV record value should have a number for port at index ${value.indexOf(record)}`
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);
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t.true(
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typeof record.target === "string",
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`${file}: SRV record value should have a string for target at index ${value.indexOf(
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record
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)}`
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);
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t.regex(
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value.target,
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hostnameRegex,
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`${file}: SRV record value should be a valid hostname for target at index ${value.indexOf(
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record
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)}`
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);
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});
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}
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}
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// TXT: string | string[]
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if (key === "TXT") {
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if (Array.isArray(value)) {
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value.forEach((record) => {
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t.true(
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typeof record === "string",
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`${file}: Record value should be a string for ${key} at index ${value.indexOf(record)}`
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);
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});
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} else {
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t.true(typeof value === "string", `${file}: Record value should be a string for ${key}`);
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}
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}
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});
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});
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});
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