MrUnknownDE/utools
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add dns, mac and domain whois lookup

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MrUnknownDE
2025-03-29 16:40:31 +01:00
parent 12370ea173
commit 2207a0d325
12 changed files with 1602 additions and 97 deletions
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backend/package-lock.json generated
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@@ -14,8 +14,24 @@
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@@ -109,11 +152,88 @@
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@@ -191,6 +324,14 @@
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@@ -394,6 +552,14 @@
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"resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
"integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==",
"engines": {
"node": ">=6"
}
},
"node_modules/param-case": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/param-case/-/param-case-2.1.1.tgz",
"integrity": "sha512-eQE845L6ot89sk2N8liD8HAuH4ca6Vvr7VWAWwt7+kvvG5aBcPmmphQ68JsEG2qa9n1TykS2DLeMt363AAH8/w==",
"dependencies": {
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}
},
"node_modules/parseurl": {
"version": "1.3.3",
"resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -673,6 +1005,31 @@
"node": ">= 0.8"
}
},
"node_modules/pascal-case": {
"version": "2.0.1",
"resolved": "https://registry.npmjs.org/pascal-case/-/pascal-case-2.0.1.tgz",
"integrity": "sha512-qjS4s8rBOJa2Xm0jmxXiyh1+OFf6ekCWOvUaRgAQSktzlTbMotS0nmG9gyYAybCWBcuP4fsBeRCKNwGBnMe2OQ==",
"dependencies": {
"camel-case": "^3.0.0",
"upper-case-first": "^1.1.0"
}
},
"node_modules/path-case": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/path-case/-/path-case-2.1.1.tgz",
"integrity": "sha512-Ou0N05MioItesaLr9q8TtHVWmJ6fxWdqKB2RohFmNWVyJ+2zeKIeDNWAN6B/Pe7wpzWChhZX6nONYmOnMeJQ/Q==",
"dependencies": {
"no-case": "^2.2.0"
}
},
"node_modules/path-exists": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
"integrity": "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==",
"engines": {
"node": ">=8"
}
},
"node_modules/path-to-regexp": {
"version": "0.1.12",
"resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.12.tgz",
@@ -771,6 +1128,14 @@
"once": "^1.3.1"
}
},
"node_modules/punycode": {
"version": "2.3.1",
"resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
"integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
"engines": {
"node": ">=6"
}
},
"node_modules/qs": {
"version": "6.13.0",
"resolved": "https://registry.npmjs.org/qs/-/qs-6.13.0.tgz",
@@ -820,6 +1185,19 @@
"node": ">= 12.13.0"
}
},
"node_modules/require-directory": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
"integrity": "sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==",
"engines": {
"node": ">=0.10.0"
}
},
"node_modules/require-main-filename": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
"integrity": "sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg=="
},
"node_modules/safe-buffer": {
"version": "5.2.1",
"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -893,6 +1271,15 @@
"resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
"integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
},
"node_modules/sentence-case": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/sentence-case/-/sentence-case-2.1.1.tgz",
"integrity": "sha512-ENl7cYHaK/Ktwk5OTD+aDbQ3uC8IByu/6Bkg+HDv8Mm+XnBnppVNalcfJTNsp1ibstKh030/JKQQWglDvtKwEQ==",
"dependencies": {
"no-case": "^2.2.0",
"upper-case-first": "^1.1.2"
}
},
"node_modules/serve-static": {
"version": "1.16.2",
"resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",
@@ -907,6 +1294,11 @@
"node": ">= 0.8.0"
}
},
"node_modules/set-blocking": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
"integrity": "sha512-KiKBS8AnWGEyLzofFfmvKwpdPzqiy16LvQfK3yv/fVH7Bj13/wl3JSR1J+rfgRE9q7xUJK4qvgS8raSOeLUehw=="
},
"node_modules/setprototypeof": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
@@ -980,6 +1372,36 @@
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/smart-buffer": {
"version": "4.2.0",
"resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-4.2.0.tgz",
"integrity": "sha512-94hK0Hh8rPqQl2xXc3HsaBoOXKV20MToPkcXvwbISWLEs+64sBq5kFgn2kJDHb1Pry9yrP0dxrCI9RRci7RXKg==",
"engines": {
"node": ">= 6.0.0",
"npm": ">= 3.0.0"
}
},
"node_modules/snake-case": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/snake-case/-/snake-case-2.1.0.tgz",
"integrity": "sha512-FMR5YoPFwOLuh4rRz92dywJjyKYZNLpMn1R5ujVpIYkbA9p01fq8RMg0FkO4M+Yobt4MjHeLTJVm5xFFBHSV2Q==",
"dependencies": {
"no-case": "^2.2.0"
}
},
"node_modules/socks": {
"version": "2.8.4",
"resolved": "https://registry.npmjs.org/socks/-/socks-2.8.4.tgz",
"integrity": "sha512-D3YaD0aRxR3mEcqnidIs7ReYJFVzWdd6fXJYUM8ixcQcJRGTka/b3saV0KflYhyVJXKhb947GndU35SxYNResQ==",
"dependencies": {
"ip-address": "^9.0.5",
"smart-buffer": "^4.2.0"
},
"engines": {
"node": ">= 10.0.0",
"npm": ">= 3.0.0"
}
},
"node_modules/sonic-boom": {
"version": "4.2.0",
"resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-4.2.0.tgz",
@@ -996,6 +1418,11 @@
"node": ">= 10.x"
}
},
"node_modules/sprintf-js": {
"version": "1.1.3",
"resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.3.tgz",
"integrity": "sha512-Oo+0REFV59/rz3gfJNKQiBlwfHaSESl1pcGyABQsnnIfWOFt6JNj5gCog2U6MLZ//IGYD+nA8nI+mTShREReaA=="
},
"node_modules/statuses": {
"version": "2.0.1",
"resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
@@ -1004,6 +1431,30 @@
"node": ">= 0.8"
}
},
"node_modules/string-width": {
"version": "4.2.3",
"resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
"integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
"dependencies": {
"emoji-regex": "^8.0.0",
"is-fullwidth-code-point": "^3.0.0",
"strip-ansi": "^6.0.1"
},
"engines": {
"node": ">=8"
}
},
"node_modules/strip-ansi": {
"version": "6.0.1",
"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
"integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
"dependencies": {
"ansi-regex": "^5.0.1"
},
"engines": {
"node": ">=8"
}
},
"node_modules/strip-json-comments": {
"version": "3.1.1",
"resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz",
@@ -1015,6 +1466,15 @@
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/swap-case": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/swap-case/-/swap-case-1.1.2.tgz",
"integrity": "sha512-BAmWG6/bx8syfc6qXPprof3Mn5vQgf5dwdUNJhsNqU9WdPt5P+ES/wQ5bxfijy8zwZgZZHslC3iAsxsuQMCzJQ==",
"dependencies": {
"lower-case": "^1.1.1",
"upper-case": "^1.1.1"
}
},
"node_modules/thread-stream": {
"version": "3.1.0",
"resolved": "https://registry.npmjs.org/thread-stream/-/thread-stream-3.1.0.tgz",
@@ -1031,6 +1491,15 @@
"node": ">=12"
}
},
"node_modules/title-case": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/title-case/-/title-case-2.1.1.tgz",
"integrity": "sha512-EkJoZ2O3zdCz3zJsYCsxyq2OC5hrxR9mfdd5I+w8h/tmFfeOxJ+vvkxsKxdmN0WtS9zLdHEgfgVOiMVgv+Po4Q==",
"dependencies": {
"no-case": "^2.2.0",
"upper-case": "^1.0.3"
}
},
"node_modules/toidentifier": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -1051,6 +1520,11 @@
"node": ">= 0.6"
}
},
"node_modules/underscore": {
"version": "1.13.7",
"resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.7.tgz",
"integrity": "sha512-GMXzWtsc57XAtguZgaQViUOzs0KTkk8ojr3/xAxXLITqf/3EMwxC0inyETfDFjH/Krbhuep0HNbbjI9i/q3F3g=="
},
"node_modules/unpipe": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -1059,6 +1533,19 @@
"node": ">= 0.8"
}
},
"node_modules/upper-case": {
"version": "1.1.3",
"resolved": "https://registry.npmjs.org/upper-case/-/upper-case-1.1.3.tgz",
"integrity": "sha512-WRbjgmYzgXkCV7zNVpy5YgrHgbBv126rMALQQMrmzOVC4GM2waQ9x7xtm8VU+1yF2kWyPzI9zbZ48n4vSxwfSA=="
},
"node_modules/upper-case-first": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/upper-case-first/-/upper-case-first-1.1.2.tgz",
"integrity": "sha512-wINKYvI3Db8dtjikdAqoBbZoP6Q+PZUyfMR7pmwHzjC2quzSkUq5DmPrTtPEqHaz8AGtmsB4TqwapMTM1QAQOQ==",
"dependencies": {
"upper-case": "^1.1.1"
}
},
"node_modules/utils-merge": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
@@ -1075,10 +1562,91 @@
"node": ">= 0.8"
}
},
"node_modules/which-module": {
"version": "2.0.1",
"resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.1.tgz",
"integrity": "sha512-iBdZ57RDvnOR9AGBhML2vFZf7h8vmBjhoaZqODJBFWHVtKkDmKuHai3cx5PgVMrX5YDNp27AofYbAwctSS+vhQ=="
},
"node_modules/whois": {
"version": "2.14.2",
"resolved": "https://registry.npmjs.org/whois/-/whois-2.14.2.tgz",
"integrity": "sha512-JzH7/WUC4L59hPKwc6lZ59OpeBDcG+axt9vBYeQg1DCtrlwyxTUzorhI58nEWHmN+R/RtiUi9MdQ6NE9TmPREQ==",
"dependencies": {
"punycode": "^2.3.1",
"socks": "^2.2.2",
"underscore": "^1.9.1",
"yargs": "^15.4.1"
},
"bin": {
"whois": "bin.js"
}
},
"node_modules/whois-json": {
"version": "2.0.4",
"resolved": "https://registry.npmjs.org/whois-json/-/whois-json-2.0.4.tgz",
"integrity": "sha512-ui9Qe0qS4yWtFAPw0q+QPuuH+m4vDDtoO/YtqmF00YoPMMNplhya7SqTVAxThWIVXhWHPEKajFEulegmysdlwQ==",
"dependencies": {
"change-case": "^3.0.2",
"dedent-js": "^1.0.1",
"html-entities": "^1.2.1",
"whois": "^2.6.0"
}
},
"node_modules/wrap-ansi": {
"version": "6.2.0",
"resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-6.2.0.tgz",
"integrity": "sha512-r6lPcBGxZXlIcymEu7InxDMhdW0KDxpLgoFLcguasxCaJ/SOIZwINatK9KY/tf+ZrlywOKU0UDj3ATXUBfxJXA==",
"dependencies": {
"ansi-styles": "^4.0.0",
"string-width": "^4.1.0",
"strip-ansi": "^6.0.0"
},
"engines": {
"node": ">=8"
}
},
"node_modules/wrappy": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
"integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
},
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"version": "4.0.3",
"resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.3.tgz",
"integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ=="
},
"node_modules/yargs": {
"version": "15.4.1",
"resolved": "https://registry.npmjs.org/yargs/-/yargs-15.4.1.tgz",
"integrity": "sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==",
"dependencies": {
"cliui": "^6.0.0",
"decamelize": "^1.2.0",
"find-up": "^4.1.0",
"get-caller-file": "^2.0.1",
"require-directory": "^2.1.1",
"require-main-filename": "^2.0.0",
"set-blocking": "^2.0.0",
"string-width": "^4.2.0",
"which-module": "^2.0.0",
"y18n": "^4.0.0",
"yargs-parser": "^18.1.2"
},
"engines": {
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}
},
"node_modules/yargs-parser": {
"version": "18.1.3",
"resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-18.1.3.tgz",
"integrity": "sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==",
"dependencies": {
"camelcase": "^5.0.0",
"decamelize": "^1.2.0"
},
"engines": {
"node": ">=6"
}
}
}
}

4
backend/package.json
View File

@@ -15,7 +15,9 @@
"dotenv": "^16.4.7",
"express": "^4.21.2",
"express-rate-limit": "^7.5.0",
"mac-lookup": "^1.0.1",
"pino": "^9.6.0",
"pino-pretty": "^13.0.0"
"pino-pretty": "^13.0.0",
"whois-json": "^2.0.4"
}
}

230
backend/server.js
View File

@@ -8,6 +8,8 @@ const { spawn } = require('child_process');
const dns = require('dns').promises;
const pino = require('pino'); // Logging library
const rateLimit = require('express-rate-limit'); // Rate limiting middleware
const whois = require('whois-json'); // Hinzugefügt für WHOIS
const macLookup = require('mac-lookup'); // Hinzugefügt für MAC Lookup
// --- Logger Initialisierung ---
const logger = pino({
@@ -72,6 +74,35 @@ function isPrivateIp(ip) {
return false;
}
/**
* Validiert einen Domainnamen (sehr einfache Prüfung).
* @param {string} domain - Der zu validierende Domainname.
* @returns {boolean} True, wenn wahrscheinlich gültig, sonst false.
*/
function isValidDomain(domain) {
if (!domain || typeof domain !== 'string' || domain.trim().length < 3) {
return false;
}
// Einfache Regex: Muss mindestens einen Punkt enthalten und keine ungültigen Zeichen.
// Erlaubt IDNs (Internationalized Domain Names) durch \p{L}
const domainRegex = /^(?:[a-z0-9\p{L}](?:[a-z0-9\p{L}-]{0,61}[a-z0-9\p{L}])?\.)+[a-z0-9\p{L}][a-z0-9\p{L}-]{0,61}[a-z0-9\p{L}]$/iu;
return domainRegex.test(domain.trim());
}
/**
* Validiert eine MAC-Adresse.
* @param {string} mac - Die zu validierende MAC-Adresse.
* @returns {boolean} True, wenn gültig, sonst false.
*/
function isValidMac(mac) {
if (!mac || typeof mac !== 'string') {
return false;
}
// Erlaubt Formate wie 00:1A:2B:3C:4D:5E, 00-1A-2B-3C-4D-5E, 001A.2B3C.4D5E
const macRegex = /^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$|^([0-9A-Fa-f]{4}\.){2}([0-9A-Fa-f]{4})$/;
return macRegex.test(mac.trim());
}
/**
* Bereinigt eine IP-Adresse (z.B. entfernt ::ffff: Präfix von IPv4-mapped IPv6).
@@ -246,8 +277,14 @@ async function initialize() {
cityReader = await geoip.Reader.open(cityDbPath);
asnReader = await geoip.Reader.open(asnDbPath);
logger.info('MaxMind databases loaded successfully.');
// Lade MAC-Lookup Daten (asynchron)
logger.info('Loading MAC address lookup data...');
await macLookup.load(); // Lädt die Daten beim Start
logger.info('MAC address lookup data loaded.');
} catch (error) {
logger.fatal({ error: error.message, stack: error.stack }, 'Could not load MaxMind databases. Exiting.');
logger.fatal({ error: error.message, stack: error.stack }, 'Could not initialize databases or MAC data. Exiting.');
process.exit(1);
}
}
@@ -260,12 +297,12 @@ app.use(express.json()); // Parst JSON-Request-Bodies
app.set('trust proxy', 2); // Vertraue zwei Proxys (externer Nginx + interner Nginx)
// Rate Limiter
const diagnosticLimiter = rateLimit({
const generalLimiter = rateLimit({
windowMs: 5 * 60 * 1000, // 5 Minuten
max: process.env.NODE_ENV === 'production' ? 10 : 100, // Mehr Anfragen im Dev erlauben
max: process.env.NODE_ENV === 'production' ? 20 : 200, // Mehr Anfragen im Dev erlauben
standardHeaders: true,
legacyHeaders: false,
message: { error: 'Too many diagnostic requests (ping/traceroute) from this IP, please try again after 5 minutes' },
message: { error: 'Too many requests from this IP, please try again after 5 minutes' },
keyGenerator: (req, res) => req.ip || req.socket.remoteAddress, // IP des Clients als Schlüssel
handler: (req, res, next, options) => {
logger.warn({ ip: req.ip || req.socket.remoteAddress, route: req.originalUrl }, 'Rate limit exceeded');
@@ -273,9 +310,13 @@ const diagnosticLimiter = rateLimit({
}
});
// Wende Limiter nur auf Ping und Traceroute an
app.use('/api/ping', diagnosticLimiter);
app.use('/api/traceroute', diagnosticLimiter);
// Wende Limiter auf alle API-Routen an (außer /api/version und /api/ipinfo)
app.use('/api/ping', generalLimiter);
app.use('/api/traceroute', generalLimiter);
app.use('/api/lookup', generalLimiter);
app.use('/api/dns-lookup', generalLimiter); // Neu
app.use('/api/whois-lookup', generalLimiter); // Neu
app.use('/api/mac-lookup', generalLimiter); // Neu
// --- Routen ---
@@ -316,6 +357,7 @@ app.get('/api/ipinfo', async (req, res) => {
longitude: geoData.location?.longitude,
timezone: geoData.location?.timeZone,
};
geo = Object.fromEntries(Object.entries(geo).filter(([_, v]) => v != null)); // Entferne leere Werte
logger.debug({ ip: clientIp, geo }, 'GeoIP lookup successful');
} catch (e) {
logger.warn({ ip: clientIp, error: e.message }, `MaxMind City lookup failed`);
@@ -329,6 +371,7 @@ app.get('/api/ipinfo', async (req, res) => {
number: asnData.autonomousSystemNumber,
organization: asnData.autonomousSystemOrganization,
};
asn = Object.fromEntries(Object.entries(asn).filter(([_, v]) => v != null)); // Entferne leere Werte
logger.debug({ ip: clientIp, asn }, 'ASN lookup successful');
} catch (e) {
logger.warn({ ip: clientIp, error: e.message }, `MaxMind ASN lookup failed`);
@@ -349,7 +392,12 @@ app.get('/api/ipinfo', async (req, res) => {
rdns = { error: `rDNS lookup failed (${e.code || 'Unknown error'})` };
}
res.json({ ip: clientIp, geo, asn, rdns });
res.json({
ip: clientIp,
geo: geo.error ? geo : (Object.keys(geo).length > 0 ? geo : null),
asn: asn.error ? asn : (Object.keys(asn).length > 0 ? asn : null),
rdns
});
} catch (error) {
logger.error({ ip: clientIp, error: error.message, stack: error.stack }, 'Error processing ipinfo');
@@ -442,7 +490,7 @@ app.get('/api/traceroute', (req, res) => { // Beachte: nicht async, da wir strea
} catch (e) {
logger.error({ requestIp, targetIp, event, error: e.message }, "Error writing to SSE stream (client likely disconnected)");
proc.kill(); // Beende Prozess, wenn Schreiben fehlschlägt
res.end();
if (!res.writableEnded) res.end();
}
};
@@ -522,25 +570,22 @@ app.get('/api/traceroute', (req, res) => { // Beachte: nicht async, da wir strea
}); // Ende von app.get('/api/traceroute'...)
// Lookup Endpunkt für beliebige IP
// Lookup Endpunkt für beliebige IP (GeoIP, ASN, rDNS)
app.get('/api/lookup', async (req, res) => {
// Debug-Logs
logger.debug({ queryParams: req.query }, 'Received query parameters for lookup');
const targetIpRaw = req.query.targetIp; // IP kommt jetzt als Query-Parameter 'ip'
const targetIpRaw = req.query.targetIp; // IP kommt jetzt als Query-Parameter 'targetIp'
const targetIp = typeof targetIpRaw === 'string' ? targetIpRaw.trim() : targetIpRaw;
const requestIp = req.ip || req.socket.remoteAddress; // Nur für Logging
logger.info({ requestIp, targetIp }, 'Lookup request received'); // <-- Hier sollte targetIp korrekt geloggt werden
logger.info({ requestIp, targetIp }, 'Lookup request received');
// Validierung: Ist es eine gültige IP?
if (!isValidIp(targetIp)) { // <-- Hier wird targetIp verwendet, scheint OK
if (!isValidIp(targetIp)) {
logger.warn({ requestIp, targetIp }, 'Invalid target IP for lookup');
return res.status(400).json({ error: 'Invalid IP address provided for lookup.' });
}
// Validierung: Ist es eine private IP?
if (isPrivateIp(targetIp)) { // <-- Hier wird targetIp verwendet, scheint OK
if (isPrivateIp(targetIp)) {
logger.warn({ requestIp, targetIp }, 'Attempt to lookup private IP blocked');
return res.status(403).json({ error: 'Lookup for private or local IP addresses is not supported.' });
}
@@ -550,7 +595,6 @@ app.get('/api/lookup', async (req, res) => {
let geo = null;
try {
const geoData = cityReader.city(targetIp);
// --- KORREKTUR HIER: Datenextraktion wieder einfügen ---
geo = {
city: geoData.city?.names?.en,
region: geoData.subdivisions?.[0]?.isoCode,
@@ -561,8 +605,6 @@ app.get('/api/lookup', async (req, res) => {
longitude: geoData.location?.longitude,
timezone: geoData.location?.timeZone,
};
// --- ENDE KORREKTUR ---
// Filter out null/undefined values before logging/returning (optional but cleaner)
geo = Object.fromEntries(Object.entries(geo).filter(([_, v]) => v != null));
logger.debug({ targetIp, geo }, 'GeoIP lookup successful for lookup');
} catch (e) {
@@ -573,13 +615,10 @@ app.get('/api/lookup', async (req, res) => {
let asn = null;
try {
const asnData = asnReader.asn(targetIp);
// --- KORREKTUR HIER: Datenextraktion wieder einfügen ---
asn = {
number: asnData.autonomousSystemNumber,
organization: asnData.autonomousSystemOrganization,
};
// --- ENDE KORREKTUR ---
// Filter out null/undefined values
asn = Object.fromEntries(Object.entries(asn).filter(([_, v]) => v != null));
logger.debug({ targetIp, asn }, 'ASN lookup successful for lookup');
} catch (e) {
@@ -593,15 +632,19 @@ app.get('/api/lookup', async (req, res) => {
rdns = hostnames;
logger.debug({ targetIp, rdns }, 'rDNS lookup successful for lookup');
} catch (e) {
// ... (rDNS Fehlerbehandlung bleibt gleich) ...
if (e.code !== 'ENOTFOUND' && e.code !== 'ENODATA') {
logger.warn({ targetIp, error: e.message, code: e.code }, `rDNS lookup error for lookup`);
} else {
logger.debug({ targetIp, code: e.code }, 'rDNS lookup failed (No record) for lookup');
}
rdns = { error: `rDNS lookup failed (${e.code || 'Unknown error'})` };
}
// Gib die gesammelten Daten zurück
res.json({
ip: targetIp,
geo: Object.keys(geo).length > 0 ? geo : null, // Sende null wenn geo leer ist (außer bei Fehler)
asn: Object.keys(asn).length > 0 ? asn : null, // Sende null wenn asn leer ist (außer bei Fehler)
geo: geo.error ? geo : (Object.keys(geo).length > 0 ? geo : null),
asn: asn.error ? asn : (Object.keys(asn).length > 0 ? asn : null),
rdns,
});
@@ -611,6 +654,137 @@ app.get('/api/lookup', async (req, res) => {
}
});
// --- NEUE ENDPUNKTE ---
// DNS Lookup Endpunkt
app.get('/api/dns-lookup', async (req, res) => {
const domainRaw = req.query.domain;
const domain = typeof domainRaw === 'string' ? domainRaw.trim() : domainRaw;
const typeRaw = req.query.type;
const type = typeof typeRaw === 'string' ? typeRaw.trim().toUpperCase() : 'ANY';
const requestIp = req.ip || req.socket.remoteAddress;
logger.info({ requestIp, domain, type }, 'DNS lookup request received');
if (!isValidDomain(domain)) {
logger.warn({ requestIp, domain }, 'Invalid domain for DNS lookup');
return res.status(400).json({ error: 'Invalid domain name provided.' });
}
const validTypes = ['A', 'AAAA', 'MX', 'TXT', 'NS', 'CNAME', 'SOA', 'SRV', 'PTR', 'ANY'];
if (!validTypes.includes(type)) {
logger.warn({ requestIp, domain, type }, 'Invalid record type for DNS lookup');
return res.status(400).json({ error: `Invalid record type provided. Valid types are: ${validTypes.join(', ')}` });
}
try {
// dns.resolve unterstützt 'ANY', aber gibt oft nur einen Teil zurück oder wirft Fehler.
// Besser spezifische Typen abfragen oder dns.resolveAny verwenden (wenn verfügbar und gewünscht).
// Für Einfachheit hier dns.resolve.
let records;
if (type === 'ANY') {
// Versuche, gängige Typen einzeln abzufragen, da resolveAny oft nicht wie erwartet funktioniert
const promises = [
dns.resolve(domain, 'A').catch(() => []),
dns.resolve(domain, 'AAAA').catch(() => []),
dns.resolve(domain, 'MX').catch(() => []),
dns.resolve(domain, 'TXT').catch(() => []),
dns.resolve(domain, 'NS').catch(() => []),
dns.resolve(domain, 'CNAME').catch(() => []),
dns.resolve(domain, 'SOA').catch(() => []),
];
const results = await Promise.all(promises);
records = {
A: results[0],
AAAA: results[1],
MX: results[2],
TXT: results[3],
NS: results[4],
CNAME: results[5],
SOA: results[6],
};
// Entferne leere Ergebnisse
records = Object.fromEntries(Object.entries(records).filter(([_, v]) => Array.isArray(v) ? v.length > 0 : v));
} else {
records = await dns.resolve(domain, type);
}
logger.info({ requestIp, domain, type }, 'DNS lookup successful');
res.json({ success: true, domain, type, records });
} catch (error) {
logger.error({ requestIp, domain, type, error: error.message, code: error.code }, 'DNS lookup failed');
res.status(500).json({ success: false, error: `DNS lookup failed: ${error.message} (Code: ${error.code})` });
}
});
// WHOIS Lookup Endpunkt
app.get('/api/whois-lookup', async (req, res) => {
const queryRaw = req.query.query;
const query = typeof queryRaw === 'string' ? queryRaw.trim() : queryRaw;
const requestIp = req.ip || req.socket.remoteAddress;
logger.info({ requestIp, query }, 'WHOIS lookup request received');
// Einfache Validierung: Muss entweder eine gültige IP oder eine Domain sein
if (!isValidIp(query) && !isValidDomain(query)) {
logger.warn({ requestIp, query }, 'Invalid query for WHOIS lookup');
return res.status(400).json({ error: 'Invalid domain name or IP address provided for WHOIS lookup.' });
}
try {
// whois-json kann manchmal sehr lange dauern oder fehlschlagen
const result = await whois(query, { timeout: 10000 }); // 10 Sekunden Timeout
logger.info({ requestIp, query }, 'WHOIS lookup successful');
res.json({ success: true, query, result });
} catch (error) {
logger.error({ requestIp, query, error: error.message }, 'WHOIS lookup failed');
// Versuche, eine spezifischere Fehlermeldung zu geben
let errorMessage = error.message;
if (error.message.includes('ETIMEDOUT') || error.message.includes('ESOCKETTIMEDOUT')) {
errorMessage = 'WHOIS server timed out.';
} else if (error.message.includes('ENOTFOUND')) {
errorMessage = 'Domain or IP not found or WHOIS server unavailable.';
}
res.status(500).json({ success: false, error: `WHOIS lookup failed: ${errorMessage}` });
}
});
// MAC Address Lookup Endpunkt
app.get('/api/mac-lookup', async (req, res) => {
const macRaw = req.query.mac;
const mac = typeof macRaw === 'string' ? macRaw.trim() : macRaw;
const requestIp = req.ip || req.socket.remoteAddress;
logger.info({ requestIp, mac }, 'MAC lookup request received');
if (!isValidMac(mac)) {
logger.warn({ requestIp, mac }, 'Invalid MAC address for lookup');
return res.status(400).json({ error: 'Invalid MAC address format provided.' });
}
try {
// mac-lookup verwendet eine lokale Datenbank, sollte schnell sein
const vendor = await macLookup.lookup(mac); // lookup ist jetzt async
if (vendor) {
logger.info({ requestIp, mac, vendor }, 'MAC lookup successful');
res.json({ success: true, mac, vendor });
} else {
logger.info({ requestIp, mac }, 'MAC lookup successful, but no vendor found');
res.json({ success: true, mac, vendor: null, message: 'Vendor not found for this MAC address prefix.' });
}
} catch (error) {
// Fehler sollten nur auftreten, wenn die DB nicht geladen wurde oder die Eingabe ungültig ist (sollte durch isValidMac abgefangen werden)
logger.error({ requestIp, mac, error: error.message }, 'MAC lookup failed');
res.status(500).json({ success: false, error: `MAC lookup failed: ${error.message}` });
}
});
// Version Endpunkt
app.get('/api/version', (req, res) => {
const commitSha = process.env.GIT_COMMIT_SHA || 'unknown';
@@ -628,6 +802,9 @@ initialize().then(() => {
logger.info(` http://localhost:${PORT}/api/ping?targetIp=<ip>`);
logger.info(` http://localhost:${PORT}/api/traceroute?targetIp=<ip>`);
logger.info(` http://localhost:${PORT}/api/lookup?targetIp=<ip>`);
logger.info(` http://localhost:${PORT}/api/dns-lookup?domain=<domain>&type=<type>`); // Neu
logger.info(` http://localhost:${PORT}/api/whois-lookup?query=<domain_or_ip>`); // Neu
logger.info(` http://localhost:${PORT}/api/mac-lookup?mac=<mac_address>`); // Neu
logger.info(` http://localhost:${PORT}/api/version`);
});
}).catch(error => {
@@ -641,6 +818,7 @@ const signals = { 'SIGINT': 2, 'SIGTERM': 15 };
Object.keys(signals).forEach((signal) => {
process.on(signal, () => {
logger.info(`Received ${signal}, shutting down gracefully...`);
// Hier könnten noch Aufräumarbeiten stattfinden (z.B. DB-Verbindungen schließen)
process.exit(128 + signals[signal]);
});
});