whoiswrapper.js ➔ isDomainAvailable - Code Metrics - whois-team/whoisdigger - Measure and Improve Code Quality continuously with Scrutinizer

whoiswrapper.js ➔ isDomainAvailable C
last analyzed 2024-01-13 23:14 UTC

↳ Parent: app/js/common/whoiswrapper.js

Complexity

Conditions

Size

Total Lines	139
Code Lines	86

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	86
dl	0
loc	139
c	0
b	0
f	0
rs	6.5248
cc	6

How to fix Long Method

// jshint esversion: 8, -W069
/** global: conversion, general, assumptions, timeout, follow, timeBetween */

const psl = require('psl'),
  puny = require('punycode'),
  uts46 = require('idna-uts46'),
  whois = require('whois'),
  parseRawData = require('./parseRawData'),
  debug = require('debug')('common.whoisWrapper'),
  {
    getDate
  } = require('./conversions'),
  settings = require('./settings').load();


/*
  lookupPromise
    Promisified whois lookup
 */
const lookupPromise = (...args) => {
  return new Promise((resolve, reject) => {
    whois.lookup(...args, (err, data) => {
      if (err) return reject(err);
      resolve(data);
      return undefined;
    });
  });
};

/*
  lookup
    Do a domain whois lookup
  parameters
    domain (string) - Domain name
    options (object) - Lookup options object, refer to 'defaultoptions' var or 'settings.lookup.general/server'
 */
async function lookup(domain, options = getWhoisOptions()) {
  var {
    'lookup.conversion': conversion,
    'lookup.general': general
  } = settings,
  domainResults;

  try {
    domain = conversion.enabled ? convertDomain(domain) : domain;
    domain = general.psl ? psl.get(domain).replace(/((\*\.)*)/g, '') : domain;

    debug("Looking up for {0}".format(domain));
    domainResults = await lookupPromise(domain, options);

  } catch (e) {
    domainResults = "Whois lookup error, {0}".format(e);
  }

  return domainResults;
}

/*
  toJSON
    Transform a given string to JSON object
  parameters
    resultsText (string) - whois domain reply string
 */
function toJSON(resultsText) {
  if (typeof resultsText === 'string' && resultsText.includes("lookup: timeout")) return "timeout";

  if (typeof resultsText === 'object') {
    //JSON.stringify(resultsText, null, 2);
    resultsText.map(function(data) {
      data.data = parseRawData(data.data);
      return data;
    });
  } else {
    return parseRawData(preStringStrip(resultsText));
  }

  return undefined;
}

/*
  isDomainAvailable
    Check domain whois reply for its avalability
  parameters
    resultsText (string) - Pure text whois reply
    resultsJSON (JSON Object) - JSON transformed whois reply
 */
function isDomainAvailable(resultsText, resultsJSON) {
  const {
    'lookup.assumptions': assumptions
  } = settings;

  resultsJSON = resultsJSON || 0;

  if (resultsJSON === 0) resultsJSON = toJSON(resultsText);

  var domainParams = getDomainParameters(null, null, null, resultsJSON, true);
  var controlDate = getDate(Date.now());

  switch (true) {
    /*
      Special cases
     */
    case (resultsText.includes('Uniregistry') && resultsText.includes('Query limit exceeded')):
      return (assumptions.uniregistry ? 'unavailable' : 'error:ratelimiting');

      /*
        Available checks
       */

      // Not found cases & variants
      //case (resultsText.includes('ERROR:101: no entries found')):


      // No match cases & variants
    case (resultsText.includes('No match for domain')):
    case (resultsText.includes('- No Match')):
    case (resultsText.includes('NO MATCH:')):
    case (resultsText.includes('No match for')):
    case (resultsText.includes('No match')):
    case (resultsText.includes('No matching record.')):
    case (resultsText.includes('Nincs talalat')):

      // Status cases & variants
    case (resultsText.includes('Status: AVAILABLE')):
    case (resultsText.includes('Status:             AVAILABLE')):
    case (resultsText.includes('Status: 	available')):
    case (resultsText.includes('Status: free')):
    case (resultsText.includes('Status: Not Registered')):
    case (resultsText.includes('query_status: 220 Available')):

      // Unique cases
    case (domainParams.expiryDate - controlDate < 0):
    case (resultsText.includes('This domain name has not been registered')):
    case (resultsText.includes('The domain has not been registered')):
    case (resultsText.includes('This query returned 0 objects')):
    case (resultsText.includes(' is free') && domainParams.whoisreply.length < 50):
    case (resultsText.includes('domain name not known in')):
    case (resultsText.includes('registration status: available')):
    case (resultsText.includes('whois.nic.bo') && domainParams.whoisreply.length < 55):
    case (resultsText.includes('Object does not exist')):
    case (resultsText.includes('The queried object does not exist')):
    case (resultsText.includes('Not Registered -')):
    case (resultsText.includes('is available for registration')):
    case (resultsText.includes('is available for purchase')):
    case (resultsText.includes('DOMAIN IS NOT A REGISTERD')):
    case (resultsText.includes('No such domain')):
    case (resultsText.includes('No_Se_Encontro_El_Objeto')):
    case (resultsText.includes('Domain unknown')):
    case (resultsText.includes('No information available about domain name')):
    case (resultsText.includes('Error.') && resultsText.includes('SaudiNIC')):
    case (resultsText.includes('is not valid!')): // ???
      return 'available';

      /*
        Unavailable checks
       */
    case (resultsJSON.hasOwnProperty('domainName')): // Has domain name
    case (resultsText.includes('Domain Status:ok')): // Domain name is ok
    case (resultsText.includes('Expiration Date:')): // Has expiration date (1)
    case (resultsText.includes('Expiry Date:')): // Has Expiration date (2)
    case (resultsText.includes('Status: connect')): // Has connect status
    case (resultsText.includes('Changed:')): // Has a changed date
    case (Object.keys(resultsJSON).length > 5): // JSON has more than 5 keys (probably taken?)
    case (resultsText.includes('organisation: Internet Assigned Numbers Authority')): // Is controlled by IANA
      return 'unavailable';

      /*
        Error checks
       */

      // Error, null or no contents
    case (resultsText === null):
    case (resultsText === ''):
      return 'error:nocontent';

      // Error, unauthorized
    case (resultsText.includes('You  are  not  authorized  to  access or query our Whois')):
      return 'error:unauthorized';

      // Error, rate limiting
    case (resultsText.includes('IP Address Has Reached Rate Limit')):
    case (resultsText.includes('Too many connection attempts')):
    case (resultsText.includes('Your request is being rate limited')):
    case (resultsText.includes('Your query is too often.')):
    case (resultsText.includes('Your connection limit exceeded.')):
      return (assumptions.ratelimit ? 'unavailable' : 'error:ratelimiting');

      // Error, unretrivable
    case (resultsText.includes('Could not retrieve Whois data')):
      return 'error:unretrivable';

      // Error, forbidden
    case (resultsText.includes('si is forbidden')): // .si is forbidden
    case (resultsText.includes('Requests of this client are not permitted')): // .ch forbidden
      return 'error:forbidden';

      // Error, reserved by regulator
    case (resultsText.includes('reserved by aeDA Regulator')): // Reserved for aeDA regulator
      return 'error:reservedbyregulator';

      // Error, unregistrable.
    case (resultsText.includes('third-level domains may not start with')):
      return 'error:unregistrable';

      // Error, reply error
    case (resultsJSON.hasOwnProperty('error')):
    case (resultsJSON.hasOwnProperty('errno')):
    case (resultsText.includes('error ')):
    case (resultsText.includes('error')): // includes plain error, may cause false negatives? i.e. error.com lookup
    case (resultsText.includes('Error')): // includes plain error, may cause false negatives? i.e. error.com lookup
    case (resultsText.includes('ERROR:101:')):
    case (resultsText.includes('Whois lookup error')):
    case (resultsText.includes('can temporarily not be answered')):
    case (resultsText.includes('Invalid input')):
      return 'error:replyerror';

      /*
         Error throw
           If every check fails throw Error, unparsable
        */

    default:
      return (assumptions.unparsable ? 'available' : 'error:unparsable');
  }
}

/*
  getDomainParameters
    Get streamlined domain results object
  parameters
    domain (string) - Domain name
    status (string) - isDomainAvailable result, is domain Available
    resultsText (string) - Pure text whois reply
    resultsJSON (JSON Object) - JSON transformed whois reply
    isAuxiliary (boolean) - Is auxiliary function to domain availability check, if used in "isDomainAvailable" fn
 */
function getDomainParameters(domain, status, resultsText, resultsJSON, isAuxiliary = false) {
  var results = {};

  results.domain = domain;
  results.status = status;
  results.registrar = resultsJSON.registrar;
  results.company =
    resultsJSON.registrantOrganization ||
    resultsJSON.registrant ||
    resultsJSON.registrantOrganization ||
    resultsJSON.adminName ||
    resultsJSON.ownerName ||
    resultsJSON.contact ||
    resultsJSON.name;
  results.creationDate = getDate(
    resultsJSON.creationDate ||
    resultsJSON.createdDate ||
    resultsJSON.created ||
    resultsJSON.creationDate ||
    resultsJSON.registered ||
    resultsJSON.registeredOn);
  results.updateDate = getDate(
    resultsJSON.updatedDate ||
    resultsJSON.lastUpdated ||
    resultsJSON.UpdatedDate ||
    resultsJSON.changed ||
    resultsJSON.lastModified ||
    resultsJSON.lastUpdate);
  results.expiryDate = getDate(
    resultsJSON.expires ||
    resultsJSON.registryExpiryDate ||
    resultsJSON.expiryDate ||
    resultsJSON.registrarRegistrationExpirationDate ||
    resultsJSON.expire ||
    resultsJSON.expirationDate ||
    resultsJSON.expiresOn ||
    resultsJSON.paidTill);
  results.whoisReply = resultsText;
  results.whoisJson = resultsJSON;

  //debug(results);

  return results;
}

/*
  convertDomain
    Convert a given domain using a defined algorithm in appSettings
  parameters
    domain (string) - Domain to be converted
  modes
    punycode - Punycode
    uts46 - IDNA2008
    uts46-transitional - IDNA2003
    ascii - Filter out non-ASCII characters
    anything else - No conversion
 */
function convertDomain(domain, mode) {
  var {
    'lookup.conversion': conversion
  } = settings;

  mode = mode || conversion.algorithm;

  switch (mode) {
    case 'punycode':
      return puny.encode(domain);
    case 'uts46':
      return uts46.toAscii(domain);
    case 'uts46-transitional':
      return uts46.toAscii(domain, {
        transitional: true
      });
    case 'ascii':
      return domain.replace(/[^\x00-\x7F]/g, "");

    default:
      return domain;
  }
}

/*
  getWhoisOptions
    Create whois options based on appSettings
 */
function getWhoisOptions() {
  const {
    'lookup.general': general
  } = settings;

  var options = {},
    follow = 'follow',
    timeout = 'timeout';

  options.server = general.server;
  options.follow = getWhoisParameters(follow);
  options.timeout = getWhoisParameters(timeout);
  options.verbose = general.verbose;

  return options;
}

/*
  getWhoisParameters
    Get request follow level/depth
  parameters
    parameter (string) - Whois options parameter
      'follow' - Follow depth
      'timeout' - Timeout
      'timebetween' - Time between requests
 */
function getWhoisParameters(parameter) {
  const {
    'lookup.randomize.follow': follow,
    'lookup.randomize.timeout': timeout,
    'lookup.randomize.timeBetween': timeBetween,
    'lookup.general': general
  } = settings;

  switch (parameter) {
    case 'follow':
      debug("Follow depth, 'random': {0}, 'maximum': {1}, 'minimum': {2}, 'default': {3}".format(follow.randomize, follow.maximumDepth, follow.minimumDepth, general.follow));
      return (follow.randomize ? getRandomInt(follow.minimumDepth, follow.maximumDepth) : general.follow);

    case 'timeout':
      debug("Timeout, 'random': {0}, 'maximum': {1}, 'minimum': {2}, 'default': {3}".format(timeout.randomize, timeout.maximum, timeout.minimum, general.timeout));
      return (timeout.randomize ? getRandomInt(timeout.minimum, timeout.maximum) : general.timeout);

    case 'timebetween':
      debug("Timebetween, 'random': {0}, 'maximum': {1}, 'minimum': {2}, 'default': {3}".format(timeBetween.randomize, timeBetween.maximum, timeBetween.minimum, general.timeBetween));
      return (timeBetween.randomize ? getRandomInt(timeBetween.minimum, timeBetween.maximum) : general.timeBetween);

    default:
      return undefined;

  }

}

/*
  getRandomInt
    Get a random integer between two values
  parameters
    min (integer) - Minimum value
    max (integer) - Maximum value
 */
function getRandomInt(min, max) {
  return Math.floor((Math.random() * parseInt(max)) + parseInt(min));
}

/*
  preStringStrip
    Pre strip a given string, space key value pairs
  parameters
    str (string) - String to be stripped
 */
function preStringStrip(str) {
  return str.toString().replace(/\:\t{1,2}/g, ": "); // Space key value pairs
}

module.exports = {
  lookup: lookup,
  toJSON: toJSON,
  isDomainAvailable: isDomainAvailable,
  preStringStrip: preStringStrip,
  getDomainParameters: getDomainParameters,
  convertDomain: convertDomain
};


1			// jshint esversion: 8, -W069
2			/** global: conversion, general, assumptions, timeout, follow, timeBetween */
3
4			const psl = require('psl'),
5			puny = require('punycode'),
6			uts46 = require('idna-uts46'),
7			whois = require('whois'),
8			parseRawData = require('./parseRawData'),
9			debug = require('debug')('common.whoisWrapper'),
10			{
11			getDate
12			} = require('./conversions'),
13			settings = require('./settings').load();
14
15
16			/*
17			lookupPromise
18			Promisified whois lookup
19			*/
20			const lookupPromise = (...args) => {
21			return new Promise((resolve, reject) => {
22			whois.lookup(...args, (err, data) => {
23			if (err) return reject(err);
24			resolve(data);
25			return undefined;
26			});
27			});
28			};
29
30			/*
31			lookup
32			Do a domain whois lookup
33			parameters
34			domain (string) - Domain name
35			options (object) - Lookup options object, refer to 'defaultoptions' var or 'settings.lookup.general/server'
36			*/
37			async function lookup(domain, options = getWhoisOptions()) {
38			var {
39			'lookup.conversion': conversion,
40			'lookup.general': general
41			} = settings,
42			domainResults;
43
44			try {
45			domain = conversion.enabled ? convertDomain(domain) : domain;
46			domain = general.psl ? psl.get(domain).replace(/((\\.))/g, '') : domain;
47
48			debug("Looking up for {0}".format(domain));
49			domainResults = await lookupPromise(domain, options);
			0 ignored issues – show Bug introduced 2021-03-20 23:53 UTC by Report Bug Copy Issue Report The call to `lookupPromise` seems to have too many arguments starting with `options`. Loading history...
50			} catch (e) {
51			domainResults = "Whois lookup error, {0}".format(e);
52			}
53
54			return domainResults;
55			}
56
57			/*
58			toJSON
59			Transform a given string to JSON object
60			parameters
61			resultsText (string) - whois domain reply string
62			*/
63			function toJSON(resultsText) {
64			if (typeof resultsText === 'string' && resultsText.includes("lookup: timeout")) return "timeout";
65
66			if (typeof resultsText === 'object') {
67			//JSON.stringify(resultsText, null, 2);
68			resultsText.map(function(data) {
69			data.data = parseRawData(data.data);
70			return data;
71			});
72			} else {
73			return parseRawData(preStringStrip(resultsText));
74			}
75
76			return undefined;
77			}
78
79			/*
80			isDomainAvailable
81			Check domain whois reply for its avalability
82			parameters
83			resultsText (string) - Pure text whois reply
84			resultsJSON (JSON Object) - JSON transformed whois reply
85			*/
86			function isDomainAvailable(resultsText, resultsJSON) {
87			const {
88			'lookup.assumptions': assumptions
89			} = settings;
90
91			resultsJSON = resultsJSON \|\| 0;
92
93			if (resultsJSON === 0) resultsJSON = toJSON(resultsText);
94
95			var domainParams = getDomainParameters(null, null, null, resultsJSON, true);
96			var controlDate = getDate(Date.now());
97
98			switch (true) {
99			/*
100			Special cases
101			*/
102			case (resultsText.includes('Uniregistry') && resultsText.includes('Query limit exceeded')):
103			return (assumptions.uniregistry ? 'unavailable' : 'error:ratelimiting');
104
105			/*
106			Available checks
107			*/
108
109			// Not found cases & variants
110			//case (resultsText.includes('ERROR:101: no entries found')):
111
112
113			// No match cases & variants
114			case (resultsText.includes('No match for domain')):
115			case (resultsText.includes('- No Match')):
116			case (resultsText.includes('NO MATCH:')):
117			case (resultsText.includes('No match for')):
118			case (resultsText.includes('No match')):
119			case (resultsText.includes('No matching record.')):
120			case (resultsText.includes('Nincs talalat')):
121
122			// Status cases & variants
123			case (resultsText.includes('Status: AVAILABLE')):
124			case (resultsText.includes('Status: AVAILABLE')):
125			case (resultsText.includes('Status: available')):
126			case (resultsText.includes('Status: free')):
127			case (resultsText.includes('Status: Not Registered')):
128			case (resultsText.includes('query_status: 220 Available')):
129
130			// Unique cases
131			case (domainParams.expiryDate - controlDate < 0):
132			case (resultsText.includes('This domain name has not been registered')):
133			case (resultsText.includes('The domain has not been registered')):
134			case (resultsText.includes('This query returned 0 objects')):
135			case (resultsText.includes(' is free') && domainParams.whoisreply.length < 50):
136			case (resultsText.includes('domain name not known in')):
137			case (resultsText.includes('registration status: available')):
138			case (resultsText.includes('whois.nic.bo') && domainParams.whoisreply.length < 55):
139			case (resultsText.includes('Object does not exist')):
140			case (resultsText.includes('The queried object does not exist')):
141			case (resultsText.includes('Not Registered -')):
142			case (resultsText.includes('is available for registration')):
143			case (resultsText.includes('is available for purchase')):
144			case (resultsText.includes('DOMAIN IS NOT A REGISTERD')):
145			case (resultsText.includes('No such domain')):
146			case (resultsText.includes('No_Se_Encontro_El_Objeto')):
147			case (resultsText.includes('Domain unknown')):
148			case (resultsText.includes('No information available about domain name')):
149			case (resultsText.includes('Error.') && resultsText.includes('SaudiNIC')):
150			case (resultsText.includes('is not valid!')): // ???
151			return 'available';
152
153			/*
154			Unavailable checks
155			*/
156			case (resultsJSON.hasOwnProperty('domainName')): // Has domain name
157			case (resultsText.includes('Domain Status:ok')): // Domain name is ok
158			case (resultsText.includes('Expiration Date:')): // Has expiration date (1)
159			case (resultsText.includes('Expiry Date:')): // Has Expiration date (2)
160			case (resultsText.includes('Status: connect')): // Has connect status
161			case (resultsText.includes('Changed:')): // Has a changed date
162			case (Object.keys(resultsJSON).length > 5): // JSON has more than 5 keys (probably taken?)
163			case (resultsText.includes('organisation: Internet Assigned Numbers Authority')): // Is controlled by IANA
164			return 'unavailable';
165
166			/*
167			Error checks
168			*/
169
170			// Error, null or no contents
171			case (resultsText === null):
172			case (resultsText === ''):
173			return 'error:nocontent';
174
175			// Error, unauthorized
176			case (resultsText.includes('You are not authorized to access or query our Whois')):
177			return 'error:unauthorized';
178
179			// Error, rate limiting
180			case (resultsText.includes('IP Address Has Reached Rate Limit')):
181			case (resultsText.includes('Too many connection attempts')):
182			case (resultsText.includes('Your request is being rate limited')):
183			case (resultsText.includes('Your query is too often.')):
184			case (resultsText.includes('Your connection limit exceeded.')):
185			return (assumptions.ratelimit ? 'unavailable' : 'error:ratelimiting');
186
187			// Error, unretrivable
188			case (resultsText.includes('Could not retrieve Whois data')):
189			return 'error:unretrivable';
190
191			// Error, forbidden
192			case (resultsText.includes('si is forbidden')): // .si is forbidden
193			case (resultsText.includes('Requests of this client are not permitted')): // .ch forbidden
194			return 'error:forbidden';
195
196			// Error, reserved by regulator
197			case (resultsText.includes('reserved by aeDA Regulator')): // Reserved for aeDA regulator
198			return 'error:reservedbyregulator';
199
200			// Error, unregistrable.
201			case (resultsText.includes('third-level domains may not start with')):
202			return 'error:unregistrable';
203
204			// Error, reply error
205			case (resultsJSON.hasOwnProperty('error')):
206			case (resultsJSON.hasOwnProperty('errno')):
207			case (resultsText.includes('error ')):
208			case (resultsText.includes('error')): // includes plain error, may cause false negatives? i.e. error.com lookup
209			case (resultsText.includes('Error')): // includes plain error, may cause false negatives? i.e. error.com lookup
210			case (resultsText.includes('ERROR:101:')):
211			case (resultsText.includes('Whois lookup error')):
212			case (resultsText.includes('can temporarily not be answered')):
213			case (resultsText.includes('Invalid input')):
214			return 'error:replyerror';
215
216			/*
217			Error throw
218			If every check fails throw Error, unparsable
219			*/
220
221			default:
222			return (assumptions.unparsable ? 'available' : 'error:unparsable');
223			}
224			}
225
226			/*
227			getDomainParameters
228			Get streamlined domain results object
229			parameters
230			domain (string) - Domain name
231			status (string) - isDomainAvailable result, is domain Available
232			resultsText (string) - Pure text whois reply
233			resultsJSON (JSON Object) - JSON transformed whois reply
234			isAuxiliary (boolean) - Is auxiliary function to domain availability check, if used in "isDomainAvailable" fn
235			*/
236			function getDomainParameters(domain, status, resultsText, resultsJSON, isAuxiliary = false) {
237			var results = {};
238
239			results.domain = domain;
240			results.status = status;
241			results.registrar = resultsJSON.registrar;
242			results.company =
243			resultsJSON.registrantOrganization \|\|
244			resultsJSON.registrant \|\|
245			resultsJSON.registrantOrganization \|\|
246			resultsJSON.adminName \|\|
247			resultsJSON.ownerName \|\|
248			resultsJSON.contact \|\|
249			resultsJSON.name;
250			results.creationDate = getDate(
251			resultsJSON.creationDate \|\|
252			resultsJSON.createdDate \|\|
253			resultsJSON.created \|\|
254			resultsJSON.creationDate \|\|
255			resultsJSON.registered \|\|
256			resultsJSON.registeredOn);
257			results.updateDate = getDate(
258			resultsJSON.updatedDate \|\|
259			resultsJSON.lastUpdated \|\|
260			resultsJSON.UpdatedDate \|\|
261			resultsJSON.changed \|\|
262			resultsJSON.lastModified \|\|
263			resultsJSON.lastUpdate);
264			results.expiryDate = getDate(
265			resultsJSON.expires \|\|
266			resultsJSON.registryExpiryDate \|\|
267			resultsJSON.expiryDate \|\|
268			resultsJSON.registrarRegistrationExpirationDate \|\|
269			resultsJSON.expire \|\|
270			resultsJSON.expirationDate \|\|
271			resultsJSON.expiresOn \|\|
272			resultsJSON.paidTill);
273			results.whoisReply = resultsText;
274			results.whoisJson = resultsJSON;
275
276			//debug(results);
277
278			return results;
279			}
280
281			/*
282			convertDomain
283			Convert a given domain using a defined algorithm in appSettings
284			parameters
285			domain (string) - Domain to be converted
286			modes
287			punycode - Punycode
288			uts46 - IDNA2008
289			uts46-transitional - IDNA2003
290			ascii - Filter out non-ASCII characters
291			anything else - No conversion
292			*/
293			function convertDomain(domain, mode) {
294			var {
295			'lookup.conversion': conversion
296			} = settings;
297
298			mode = mode \|\| conversion.algorithm;
299
300			switch (mode) {
301			case 'punycode':
302			return puny.encode(domain);
303			case 'uts46':
304			return uts46.toAscii(domain);
305			case 'uts46-transitional':
306			return uts46.toAscii(domain, {
307			transitional: true
308			});
309			case 'ascii':
310			return domain.replace(/[^\x00-\x7F]/g, "");
311
312			default:
313			return domain;
314			}
315			}
316
317			/*
318			getWhoisOptions
319			Create whois options based on appSettings
320			*/
321			function getWhoisOptions() {
322			const {
323			'lookup.general': general
324			} = settings;
325
326			var options = {},
327			follow = 'follow',
328			timeout = 'timeout';
329
330			options.server = general.server;
331			options.follow = getWhoisParameters(follow);
332			options.timeout = getWhoisParameters(timeout);
333			options.verbose = general.verbose;
334
335			return options;
336			}
337
338			/*
339			getWhoisParameters
340			Get request follow level/depth
341			parameters
342			parameter (string) - Whois options parameter
343			'follow' - Follow depth
344			'timeout' - Timeout
345			'timebetween' - Time between requests
346			*/
347			function getWhoisParameters(parameter) {
348			const {
349			'lookup.randomize.follow': follow,
350			'lookup.randomize.timeout': timeout,
351			'lookup.randomize.timeBetween': timeBetween,
352			'lookup.general': general
353			} = settings;
354
355			switch (parameter) {
356			case 'follow':
357			debug("Follow depth, 'random': {0}, 'maximum': {1}, 'minimum': {2}, 'default': {3}".format(follow.randomize, follow.maximumDepth, follow.minimumDepth, general.follow));
358			return (follow.randomize ? getRandomInt(follow.minimumDepth, follow.maximumDepth) : general.follow);
359
360			case 'timeout':
361			debug("Timeout, 'random': {0}, 'maximum': {1}, 'minimum': {2}, 'default': {3}".format(timeout.randomize, timeout.maximum, timeout.minimum, general.timeout));
362			return (timeout.randomize ? getRandomInt(timeout.minimum, timeout.maximum) : general.timeout);
363
364			case 'timebetween':
365			debug("Timebetween, 'random': {0}, 'maximum': {1}, 'minimum': {2}, 'default': {3}".format(timeBetween.randomize, timeBetween.maximum, timeBetween.minimum, general.timeBetween));
366			return (timeBetween.randomize ? getRandomInt(timeBetween.minimum, timeBetween.maximum) : general.timeBetween);
367
368			default:
369			return undefined;
370
371			}
372
373			}
374
375			/*
376			getRandomInt
377			Get a random integer between two values
378			parameters
379			min (integer) - Minimum value
380			max (integer) - Maximum value
381			*/
382			function getRandomInt(min, max) {
383			return Math.floor((Math.random() * parseInt(max)) + parseInt(min));
384			}
385
386			/*
387			preStringStrip
388			Pre strip a given string, space key value pairs
389			parameters
390			str (string) - String to be stripped
391			*/
392			function preStringStrip(str) {
393			return str.toString().replace(/\:\t{1,2}/g, ": "); // Space key value pairs
394			}
395
396			module.exports = {
397			lookup: lookup,
398			toJSON: toJSON,
399			isDomainAvailable: isDomainAvailable,
400			preStringStrip: preStringStrip,
401			getDomainParameters: getDomainParameters,
402			convertDomain: convertDomain
403			};
404

whois-team / whoisdigger

whoiswrapper.js ➔ isDomainAvailable C last analyzed 2024-01-13 23:14 UTC

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whoiswrapper.js ➔ isDomainAvailable C
last analyzed 2024-01-13 23:14 UTC