diff --git a/.eslintrc.json b/.eslintrc.json new file mode 100644 index 0000000..5b709ae --- /dev/null +++ b/.eslintrc.json @@ -0,0 +1,32 @@ +{ + "env": { + "browser": true, + "commonjs": true, + "es6": true, + "node": true + }, + "extends": "eslint:recommended", + "parserOptions": { + "sourceType": "module", + "ecmaVersion": 2017 + }, + "rules": { + "no-console": "off", + "indent": [ + "error", + 4 + ], + "linebreak-style": [ + "error", + "unix" + ], + "quotes": [ + "error", + "single" + ], + "semi": [ + "error", + "always" + ] + } +} \ No newline at end of file diff --git a/.jshintrc b/.jshintrc deleted file mode 100644 index 24b8534..0000000 --- a/.jshintrc +++ /dev/null @@ -1,28 +0,0 @@ -{ - // Details: https://github.com/victorporof/Sublime-JSHint#using-your-own-jshintrc-options - // Example: https://github.com/jshint/jshint/blob/master/examples/.jshintrc - // Documentation: http://www.jshint.com/docs/ - "browser": true, - "esnext": true, - "globals": {}, - "globalstrict": true, - "quotmark": true, - "smarttabs": true, - "trailing": true, - "undef": true, - "unused": true, - - "camelcase": true, - "curly": true, - "eqeqeq": true, - "indent": 4, - "latedef": true, - "newcap":true, - "quotmark": true, - "strict": true, - "trailing": true, - "maxparams": 5, - "maxdepth": 4, - "node": true, - "maxcomplexity": 5 -} diff --git a/.travis.yml b/.travis.yml index 2083806..4885d2d 100644 --- a/.travis.yml +++ b/.travis.yml @@ -1,4 +1,7 @@ language: node_js node_js: - - "0.11" - - "0.10" \ No newline at end of file + - "8.4.0" + - "9.8.0" + - "10.13.0" + - "11.0.0" + - "13.13.0" diff --git a/README.md b/README.md index fa70e3f..a6d21bc 100644 --- a/README.md +++ b/README.md @@ -1,34 +1,33 @@ -#external-ip [![Build Status](https://travis-ci.org/J-Chaniotis/external-ip.svg?branch=master)](https://travis-ci.org/J-Chaniotis/external-ip) [![Dependency Status](https://david-dm.org/J-Chaniotis/external-ip.svg)](https://david-dm.org/J-Chaniotis/external-ip) - -![XKCD 865](http://imgs.xkcd.com/comics/nanobots.png) +# external-ip +[![Build Status](https://travis-ci.org/J-Chaniotis/external-ip.svg?branch=master)](https://travis-ci.org/J-Chaniotis/external-ip) +[![Dependency Status](https://david-dm.org/j-Chaniotis/external-ip.svg)](https://david-dm.org/j-Chaniotis/external-ip) +[![npm version](https://badge.fury.io/js/external-ip.svg)](https://badge.fury.io/js/external-ip) +![XKCD 865](http://imgs.xkcd.com/comics/nanobots.png) `external-ip` is a node.js library to get your external ip from multiple services. - - -##Installation +## Installation `npm install external-ip` -##Usage +## Usage basic ```javascript 'use strict'; -var getIP = require('external-ip')(); +const getIP = require('external-ip')(); -getIP(function (err, ip) { +getIP((err, ip) => { if (err) { // every service in the list has failed throw err; } console.log(ip); }); - ``` with configuration @@ -36,44 +35,135 @@ with configuration ```javascript 'use strict'; -var extIP = require('external-ip'); +const extIP = require('external-ip'); -var getIP = extIP({ +let getIP = extIP({ replace: true, - services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.me/ip'], + services: ['https://ipinfo.io/ip', 'http://ifconfig.co/x-real-ip', 'http://ifconfig.io/ip'], timeout: 600, - getIP: 'parallel' + getIP: 'parallel', + userAgent: 'Chrome 15.0.874 / Mac OS X 10.8.1' }); -getIP(function (err, ip) { +getIP((err, ip) => { if (err) { throw err; } console.log(ip); }); +``` + +### Promises + +The API of this library is designed around the classic node.js error-first callback. +As of node.js V8, converting this type of callback into a promise is pretty straight forward and +requires one more line of code. + +basic + +```javascript +'use strict'; + +const {promisify} = require('util'); //<-- Require promisify +const getIP = promisify(require('external-ip')()); // <-- And then wrap the library + +getIP().then((ip)=> { + console.log(ip); +}).catch((error) => { + console.error(error); +}); +``` + +with configuration + +```javascript +'use strict'; +const { promisify } = require('util'); //<-- Require promisify +const getIP = promisify(require('external-ip')({ + replace: true, + services: ['https://ipinfo.io/ip', 'http://icanhazip.com/', 'http://ident.me/'], + timeout: 600, + getIP: 'parallel', + verbose: true +})); // <-- And then wrap the library +getIP().then((ip) => { + console.log(ip); +}).catch((error) => { + console.error(error); +}); ``` -##extIP([config]) -external-ip exposes a constructor function that accepts a configuration object with the following optional properties: -* **services:** `Array` of urls that return the ip in the document body, required if replace is set to true + +If you believe this extra step shouldn't be there, feel free to open an issue and/or a pull request. + +## Configuration + +### extIP([config]) + +`require('external-ip')` returns a constructor function that accepts an optional configuration object. + It can be used to create multiple instances with different configuration if necessary + +* **services:** `Array` of urls that return the ip in the html body, required if replace is set to true * **replace:** `Boolean` if true, replaces the internal array of services with the user defined, if false, extends it, default: `false` -* **timeout:** Timeout per request in ms, default `500` -* **getIP:** `'sequential'` Sends a request to the first url in the list, if that fails sends to the next and so on. `'parallel'` Sends requests to all the sites in the list, on the first valid response all the pending requests are canceled. default: `'sequential'` +* **timeout:** Timeout per request in ms, default `1000` +* **getIP:** `'sequential'` Makes a request to the first url in the list, if that fails sends to the next and so on. `'parallel'` Makes requests to all the sites in the list, on the first valid response all the pending requests are canceled, default: `'sequential'` +* **userAgent:** `String` Set a custom `User-Agent` header, default: `curl/` +* **verbose:** `Boolean` Log additional information to the console, default: `false` -Returns the configured getIP function. +Returns the configured getIP instance. + +### getIP(callback) -##getIP(callback) The callback gets 2 arguments: + 1. error: if every service in the list fails to return a valid ip 2. ip: your external ip -##Test +## CLI + +install as a global package with `npm install -g external-ip`. + +```bash +$ external-ip -h + +Usage: external-ip [options] + + Options: + + -h, --help output usage information + -V, --version output the version number + -R, --replace replace internal services instead of extending them. + -s, --services service url, see examples, required if using -R + -t, --timeout set timeout per request + -P, --parallel set to parallel mode + -u, --userAgent provide a User-Agent header, default: curl/ + -v, --verbose provide additional details + + + This program prints the external IP of the machine. + All arguments are optional. + + Examples: + $ external-ip + $ external-ip -P -t 1500 -R -s http://icanhazip.com/ -s http://ident.me/ + + Default services: + http://icanhazip.com/ + http://ident.me/ + http://tnx.nl/ip + http://myip.dnsomatic.com/ + http://ipecho.net/plain + http://diagnostic.opendns.com/myip + + Documentation can be found at https://github.com/J-Chaniotis/external-ip +``` + +## Test + Change your working directory to the project's root, `npm install` to get the development dependencies and then run `npm test` -##Todo - maybe a CLI +## Links -##Links * [moira](https://www.npmjs.org/package/moira) * [externalip](https://www.npmjs.org/package/externalip) -* [extip](https://www.npmjs.org/package/extip) \ No newline at end of file +* [extip](https://www.npmjs.org/package/extip) diff --git a/examples/basic.js b/examples/basic.js index 08b90fc..cb7c445 100644 --- a/examples/basic.js +++ b/examples/basic.js @@ -1,10 +1,10 @@ 'use strict'; -var getIP = require('../index')(); +const getIP = require('../index')(); -getIP(function (err, ip) { +getIP((err, ip) => { if (err) { throw err; } console.log(ip); -}); +}); \ No newline at end of file diff --git a/examples/customConfig.js b/examples/customConfig.js index 1824338..a493584 100644 --- a/examples/customConfig.js +++ b/examples/customConfig.js @@ -1,15 +1,15 @@ 'use strict'; -var extIP = require('../index'); +const extIP = require('../index'); -var getIP = extIP({ +const getIP = extIP({ replace: true, // true: replace the default services list, false: extend it, default: false - services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.me/ip'], + services: ['https://ipinfo.io/ip', 'http://icanhazip.com/', 'http://ident.me/'], timeout: 600, // set timeout per request, default: 500ms - 'getIP': 'parallel' + getIP: 'parallel' }); -getIP(function (err, ip) { +getIP((err, ip) => { if (err) { throw err; } diff --git a/examples/promiseBasic.js b/examples/promiseBasic.js new file mode 100644 index 0000000..1451f7c --- /dev/null +++ b/examples/promiseBasic.js @@ -0,0 +1,9 @@ +'use strict'; +const {promisify} = require('util'); +const getIP = promisify(require('../index')()); + +getIP().then((ip)=> { + console.log(ip); +}).catch((error) => { + console.error(error); +}); diff --git a/examples/promiseCustomConfig.js b/examples/promiseCustomConfig.js new file mode 100644 index 0000000..7373b76 --- /dev/null +++ b/examples/promiseCustomConfig.js @@ -0,0 +1,15 @@ +'use strict'; +const { promisify } = require('util'); +const getIP = promisify(require('../index')({ + replace: true, // true: replace the default services list, false: extend it, default: false + services: ['https://ipinfo.io/ip', 'http://icanhazip.com/', 'http://ident.me/'], + timeout: 600, // set timeout per request, default: 500ms + getIP: 'parallel', + verbose: true +})); + +getIP().then((ip) => { + console.log(ip); +}).catch((error) => { + console.error(error); +}); diff --git a/index.js b/index.js index 2edd78c..f667591 100644 --- a/index.js +++ b/index.js @@ -1,103 +1,2 @@ 'use strict'; -var extIP = require('./lib/extIP'); -var utils = require('./lib/utils'); - -module.exports = function (extConf) { - extConf = extConf || {}; - - var isValid = utils.validateConfig(extConf); - - if (isValid.errors.length) { - console.error(isValid.errors); - process.exit(1); - } - - // Check: https://github.com/mjhasbach/MOIRA - var defConf = { - getIP: 'sequential', // parallel - replace: false, - services: [ - 'http://ifconfig.co/x-real-ip', - 'http://icanhazip.com/', - 'http://ifconfig.me/ip', - 'http://ip.appspot.com/', - 'http://curlmyip.com/', - 'http://ident.me/', - 'http://whatismyip.akamai.com/', - 'http://tnx.nl/ip', - 'http://myip.dnsomatic.com/', - 'http://ipecho.net/plain' - ], - timeout: 500 - }; - - var config = utils.mergeConfig(extConf, defConf); - - var services = extIP.setup(config).services; - - - var getIP = { - sequential: function (cb) { - var errors = []; - utils.asyncLoop({ - iterations: services.length, - exec: function (i, stop, next) { - services[i].getIP(function (err, ip) { - if (err) { - err = services[i].url + ' : ' + err; - errors.push(err); - next(); - } else { - stop(ip); - } - }); - }, - done: function (ip) { - cb.apply(null, ip ? [null, ip] : [errors, null]); - } - }); - }, - - parallel: function (cb) { - var done = false; - var errors = []; - var requests; - - var abort = function (requests) { - process.nextTick(function () { - requests.forEach(function (request) { - request.abort(); - }); - }); - }; - - - var onResponse = function (err, ip) { - - if (done) { - return; - } - if (err) { - errors.push(err); - } - if(ip) { - done = true; - abort(requests); //async - return cb(null, ip); - } - if (errors.length === services.length) { - done = true; - abort(requests); //async - return cb(errors, null); - } - }; - - requests = services.map(function (service) { - return service.getIP(onResponse); - }); - - } - }; - - return getIP[config.getIP]; -}; \ No newline at end of file +module.exports = require('./lib/extIP'); \ No newline at end of file diff --git a/lib/cli.js b/lib/cli.js new file mode 100755 index 0000000..536a583 --- /dev/null +++ b/lib/cli.js @@ -0,0 +1,60 @@ +#!/usr/bin/env node + +'use strict'; +const program = require('commander'); +const extIP = require('./extIP'); +const pkg = require('../package.json'); +const configSchema = require('./configSchema.json').properties; + +const collect = (service, services = []) => { + services.push(service); + return services; +}; + +// Hack commander program name to match package name (for --help) +program._name = pkg.name; + +program.usage('[options]') + .version(pkg.version) + .option('-R, --replace', 'replace internal services instead of extending them.') + .option('-s, --services ', 'service url, see examples, required if using -R', collect) + .option('-t, --timeout ', 'set timeout per request', parseInt) + .option('-P, --parallel', 'set to parallel mode') + .option('-u, --userAgent ', `provide a User-Agent header, default: ${configSchema.userAgent.default}`, null, '') + .option('-v, --verbose', 'provide additional details') + .on('--help', () => { + console.log(` + This program prints the external IP of the machine. + All arguments are optional.\n + Examples: + $ external-ip + $ external-ip -P -t 1500 -R -s ${configSchema.services.default[0]} -s ${configSchema.services.default[1]}\n + Default services: + ${configSchema.services.default.join('\n \t')}\n + Documentation can be found at ${pkg.homepage}\n`); + }) + .parse(process.argv); + +const generateConfig = (cliConf) => { + return cliConf.options.reduce((acc, option) => { + const name = option.name(); + if (cliConf[name]) { + acc[name] = cliConf[name]; + } + return acc; + }, { + // Patch config for parallel option. + getIP: cliConf.parallel ? 'parallel' : undefined + }); +}; + +const config = generateConfig(program); + + +extIP(config)((err, ip) => { + if (err) { + console.error(err.message); + process.exit(1); + } + console.log(ip); +}); diff --git a/lib/configSchema.json b/lib/configSchema.json new file mode 100644 index 0000000..cefc1b3 --- /dev/null +++ b/lib/configSchema.json @@ -0,0 +1,44 @@ +{ + "properties": { + "replace": { + "description": "true: replaces the default services, false: extends them", + "type": "boolean", + "default": false + }, + "services": { + "description": "array of urls that return the ip in the document body", + "type": "array", + "minItems": 1, + "items": { + "format": "uri" + }, + "default": [ + "https://ipinfo.io/ip", + "https://icanhazip.com/", + "https://ident.me/", + "https://diagnostic.opendns.com/myip" + ] + }, + "timeout": { + "description": "timeout per request", + "type": "integer", + "default": 4000 + }, + "getIP": { + "description": "sequential or parallel ip fetching", + "type": "string", + "enum": ["parallel", "sequential"], + "default": "sequential" + }, + "userAgent": { + "description": "Customize the User-Agent header", + "type": "string", + "default": "curl/" + }, + "verbose": { + "description": "provide additional details", + "type": "boolean", + "default": false + } + } +} diff --git a/lib/extIP.js b/lib/extIP.js index 3e3381a..314a8db 100644 --- a/lib/extIP.js +++ b/lib/extIP.js @@ -1,53 +1,77 @@ 'use strict'; +const utils = require('./utils'); -var request = require('request'); -var utils = require('./utils'); +module.exports = (config = {}) => { -module.exports.setup = function (config) { + // validate the external configuration and add the default values where needed + const configErrors = utils.prepareConfig(config); + if (configErrors) { + throw utils.concatErrors(configErrors); + } + // create a request instance for each service in the configuration + const requests = config.services.map((url) => utils.requestFactory(config, url)); - var addValidation = function (request) { - return function (cb) { - return request(function (err, body) { - if (err) { - return cb(err, null); + // sequential and parallel mode handlers + const getIP = { + sequential: (cb) => { + let errors = []; + let current = 0; + + const loop = () => { + requests[current]((error, ip) => { + if (error) { + errors.push(error); + current += 1; + // when every single service has failed tell the bad news + if (errors.length === requests.length) { + return cb(utils.concatErrors(errors), null); + } + // try the next one + return loop(); + } + // got an ip + return cb(null, ip); + }); + }; + // initiate the first request + loop(); + }, + + parallel: (cb) => { + let done = false; + let errors = []; + let ongoingRequests; + + let onResponse = (error, ip) => { + // got an ip from a previous request, so there is nothing to do here + if (done) { + return; } - // if the body is null use an empty string - body = (body || '').toString().replace('\n', ''); - return cb.apply(null, utils.isIP(body) ? [null, body] : [new Error('Invalid IP'), null]); - }); - }; - }; + if (error) { + errors.push(error); + } - var requestFactory = function (request, url) { - return function (cb) { - return request.get({ - url: url, - timeout: config.timeout, - headers: { - 'User-Agent': 'curl/' + // when every single service has failed tell the bad news + if (errors.length === requests.length) { + return cb(utils.concatErrors(errors), null); } - }, function (err, res, body) { - cb.apply(null, err ? [err, null] : [null, body]); - }); - }; - }; - var initializeServices = function (services) { - return services.map(function (url) { - return { - getIP: addValidation(requestFactory(request, url)), - url: url + if (ip) { + done = true; + // Abort every pending request + ongoingRequests.forEach((request) => request.abort()); + return cb(null, ip); + } }; - }); - }; - return { - addValidation: addValidation, - requestFactory: requestFactory, - initializeServices: initializeServices, - services: initializeServices(config.services) + // initiate all the requests + ongoingRequests = requests.map((service) => service(onResponse)); + + } }; + // return the sequential or the parallel handler according to the configuration + return getIP[config.getIP]; }; \ No newline at end of file diff --git a/lib/utils.js b/lib/utils.js index ab80d0f..abca4f2 100644 --- a/lib/utils.js +++ b/lib/utils.js @@ -1,123 +1,114 @@ 'use strict'; -var revalidator = require('revalidator'); +const Ajv = require('ajv'); +const ajv = new Ajv({ + allErrors: true, + useDefaults: true +}); +const configSchema = require('./configSchema.json'); +const net = require('net'); +const get = require('simple-get'); /** - * Taken from: https://github.com/parris/iz/blob/master/src/validators.js - * Matches IPv4, IPv6 or hostname - * @author Mikulas Dite http://stackoverflow.com/questions/9208814/validate-ipv4-ipv6-and-hostname - * @param str - * @return boolean + * Minimal logger implementation for verbose mode + * @param {Boolean} config.verbose + * @return {Object} logger instance */ -var isIP = function (str) { - // How is this even possible??? - var re = (/^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^(([a-zA-Z]|[a-zA-Z][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z]|[A-Za-z][A-Za-z0-9\-]*[A-Za-z0-9])$|^(?:(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){6})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:::(?:(?:(?:[0-9a-fA-F]{1,4})):){5})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})))?::(?:(?:(?:[0-9a-fA-F]{1,4})):){4})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,1}(?:(?:[0-9a-fA-F]{1,4})))?::(?:(?:(?:[0-9a-fA-F]{1,4})):){3})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,2}(?:(?:[0-9a-fA-F]{1,4})))?::(?:(?:(?:[0-9a-fA-F]{1,4})):){2})(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,3}(?:(?:[0-9a-fA-F]{1,4})))?::(?:(?:[0-9a-fA-F]{1,4})):)(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,4}(?:(?:[0-9a-fA-F]{1,4})))?::)(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,5}(?:(?:[0-9a-fA-F]{1,4})))?::)(?:(?:[0-9a-fA-F]{1,4})))|(?:(?:(?:(?:(?:(?:[0-9a-fA-F]{1,4})):){0,6}(?:(?:[0-9a-fA-F]{1,4})))?::))))$/); - return re.test(str); +const loggerFactory = ({ verbose }) => { + const noop = () => {}; + return { + error: verbose ? console.log.bind(console, '[error]: ') : noop, + info: verbose ? console.log.bind(console, '[info]: ') : noop + }; }; +/** + * Checks if an IP is a valid v4 or v6 + * @param str + * @return boolean + */ +const isIP = (str) => net.isIP(str) !== 0; -/* -Taken from: http://stackoverflow.com/questions/4288759/asynchronous-for-cycle-in-javascript -Loops through asynchronous code. -@param params {Object} setup the loop by providing the following: - .iterations: {Integer} the number of iterations - .exec: callback that will be executed on each iteration with: - i: the current iteration, - stop: function, stops the loop, - next: function, go to the next iteretion. - .done: callback that will be executed when the loop is done - - sample usage: - asyncLoop({ - iterations: 5, - exec: function (i, stop, next) { - console.log(i); - next(); - }, - done: function () { - console.log('done'); - } - }); -*/ -var asyncLoop = function (params) { - var index = 0; - var done = false; - var loop = { - next: function () { - if (done) { - return; - } - - if (index < params.iterations) { - index++; - params.exec(loop.iteration(), loop.stop, loop.next); +/** + * Use user provided service list or extend the default service list + * @param {Boolean} options.replace should replace or not the default service list + * @param {Array} options.services user provided service list or an empry array + * @return {Array} service list + */ +const prepareServiceList = ({ replace, services = []}) => { + return replace ? services : [...services, ...configSchema.properties.services.default]; +}; - } else { - done = true; - params.done.apply(null, arguments); - } - }, +/** + * Prepare the configuration object. + * Validate using jsonschema and apply the required defaults + * @param {Object} config + * @return {Object} Errors in config if present + */ +const prepareConfig = (config) => { + // Merge or extend services acordingly + config.services = prepareServiceList(config); - iteration: function () { - return index - 1; - }, + const validate = ajv.compile(configSchema); + validate(config); - stop: function () { - done = true; - params.done.apply(null, arguments); - } - }; - loop.next(); - return loop; + return validate.errors; }; - -var validateConfig = function (config) { - return revalidator.validate(config, { - properties: { - replace: { - description: 'true: replaces the default services, false: extends them', - type: 'boolean', - allowEmpty: false, - dependencies: 'services' - }, - services: { - description: 'array of urls that return the ip in the document body', - type: 'array', - minItems: 1, - allowEmpty: false, - format: 'url' - }, - timeout: { - description: 'timeout per request', - type: 'integer', - allowEmpty: false - }, - getIP: { - description: 'sequential or parallel ip fetching', - type: 'string', - allowEmpty: false, - enum:['parallel', 'sequential'] - } - } - }); +/** + * Creates a reusable request + * @param {Object} config + * @param {string} url + * @return {Function} cb(error, ip) + */ +const requestFactory = ({verbose, timeout, userAgent}, url) => { + const logger = loggerFactory({verbose}); + return (cb) => { + + logger.info(`requesting IP from: ${url}`); + const startTime = Date.now(); + + return get.concat({ + url, + timeout, + headers: { + 'User-Agent': userAgent + } + }, (error, res, body = '') => { // if the body is falsey use an empty string + if (error) { + logger.error(`${url} ${error.message}`); + return cb(new Error(`${error.message} from ${url}`), null); + } + // Parse and validate the body + body = body.toString().replace('\n', ''); + if (isIP(body)) { + logger.info(`got valid IP from: ${url} in ${Date.now()- startTime}ms`); + return cb(null, body); + } + logger.error(`Got invalid IP from ${url}`); + return cb(new Error(`Got invalid IP from ${url}`), null); + }); + }; }; - -var mergeConfig = function (extCfg, defCfg) { - return { - // Kill it with fire! - services: extCfg.replace ? extCfg.services : extCfg.services && defCfg.services.concat(extCfg.services) || defCfg.services, - timeout: extCfg.timeout || defCfg.timeout, - getIP: extCfg.getIP || defCfg.getIP - }; +/** + * Used to prety-ish print the errors + * @param {Array} errors + * @return {Error} + */ +const concatErrors = (errors) => { + if (errors.length === 1) { + return errors[0]; + } + let msg = errors.reduce((acc, current) => { + return acc + ` ${current.message} \n`; + }, 'Multiple errors: \n'); + return new Error(msg); }; - - module.exports = { - isIP: isIP, - asyncLoop: asyncLoop, - validateConfig: validateConfig, - mergeConfig: mergeConfig + isIP, + prepareConfig, + requestFactory, + concatErrors }; \ No newline at end of file diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json new file mode 100644 index 0000000..1647c9c --- /dev/null +++ b/npm-shrinkwrap.json @@ -0,0 +1,2452 @@ +{ + "name": 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"external-ip", - "version": "0.1.5", + "version": "2.3.1", "description": "A node.js library to get your external ip from multiple services", "main": "index.js", "scripts": { "test": "node node_modules/mocha/bin/mocha" }, + "bin": { + "external-ip": "lib/cli.js" + }, "repository": { "type": "git", "url": "https://J-Chaniotis@github.com/J-Chaniotis/external-ip.git" @@ -15,20 +18,32 @@ "external", "ip", "network", + "public", "address" ], "author": "J.Chaniotis", + "contributors": [ + { + "name": "Nikolas Andronopoulos", + "email": "nikolas.andronopoulos@gmail.com" + }, + { + "name": "Uman Shahzad", + "email": "uman@mslm.me" + } + ], "license": "ISC", "bugs": { "url": "https://github.com/J-Chaniotis/external-ip/issues" }, "homepage": "https://github.com/J-Chaniotis/external-ip", "dependencies": { - "request": "^2.40.0", - "revalidator": "^0.2.0" + "ajv": "^6.12.6", + "commander": "^5.1.0", + "simple-get": "^3.1.1" }, "devDependencies": { - "chai": "^1.9.1", - "mocha": "^1.21.4" + "chai": "^4.2.0", + "mocha": "^7.1.2" } } diff --git a/test/test.extIP.js b/test/test.extIP.js deleted file mode 100644 index 9034b85..0000000 --- a/test/test.extIP.js +++ /dev/null @@ -1,69 +0,0 @@ -'use strict'; - -/*globals describe, it*/ -var expect = require('chai').expect; -var extIP = require('../lib/extIP').setup({ - replace: false, - services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.me/ip'], - timeout: 500 -}); - -// Request mocks -var request = { - success: { - get: function (opts, cb) { - expect(opts).to.have.property('url', 'batman'); - expect(opts).to.have.property('timeout', 500); - expect(opts).to.have.property('headers').with.property('User-Agent', 'curl/'); - cb(null, null, '94.65.128.173'); - } - }, - fail: { - get: function (opts, cb) { - cb('booom', null, null); - } - }, - invalid: { - get: function (opts, cb) { - cb(null, null, 11111); - } - } -}; - -describe('extIP.js test', function () { - - it('Should have correct request config and return without errors', function () { - var req = extIP.requestFactory(request.success, 'batman'); - req(function (err, ip) { - expect(err).to.equal(null); - expect(ip).to.equal('94.65.128.173'); - }); - }); - - it('Should return with an error', function () { - var req = extIP.requestFactory(request.fail, 'batman'); - req(function (err, ip) { - expect(err).to.equal('booom'); - expect(ip).to.equal(null); - }); - }); - - it('Should validate a correct ip', function () { - var req = extIP.requestFactory(request.success, 'batman'); - req = extIP.addValidation(req); - req(function (err, ip) { - expect(err).to.equal(null); - expect(ip).to.equal('94.65.128.173'); - }); - }); - - it('Should return an error with an invalid ip', function () { - var req = extIP.requestFactory(request.invalid, 'batman'); - req = extIP.addValidation(req); - req(function (err, ip) { - expect(err).to.be.instanceof(Error); - expect(ip).to.equal(null); - }); - }); - -}); \ No newline at end of file diff --git a/test/test.index.js b/test/test.index.js index 0cb5f6c..7b8e4d7 100644 --- a/test/test.index.js +++ b/test/test.index.js @@ -3,16 +3,18 @@ /*globals it, describe*/ // Integration test -var extIP = require('../index'); -var utils = require('../lib/utils'); -var expect = require('chai').expect; +const extIP = require('../index'); +const utils = require('../lib/utils'); +const expect = require('chai').expect; + +const timeout = 3000; describe('index.js test', function () { it('Should return an IP with default configuration', function (done) { - this.timeout(3000); - var getIP = extIP(); - getIP(function (err, ip) { + this.timeout(timeout); + const getIP = extIP(); + getIP((err, ip) => { expect(err).to.equal(null); expect(utils.isIP(ip)).to.equal(true); done(); @@ -20,19 +22,32 @@ describe('index.js test', function () { }); it('Should return an IP with custom configuration', function (done) { - this.timeout(3000); + this.timeout(timeout); - var getIP = extIP({ + const getIP = extIP({ replace: true, // true: replace the default services list, false: extend it, default: false - services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.me/ip'], - timeout: 600, // set timeout per request, default: 500ms, + services: ['https://ipinfo.io/ip', 'http://ident.me/', 'http://icanhazip.com/'], + timeout: timeout, // set timeout per request, default: 500ms, getIP: 'parallel' }); - getIP(function (err, ip) { + getIP((err, ip) => { expect(err).to.equal(null); expect(utils.isIP(ip)).to.equal(true); done(); }); }); -}); \ No newline at end of file + + it('Should throw an error if configuration is invalid', function (done) { + try { + extIP({ + replace: 'Batman', + services: ['Robin'], + timeout: 'Freeze' + }); + } catch (error) { + expect(error).to.be.instanceof(Error); + done(); + } + }); +}); diff --git a/test/test.utils.js b/test/test.utils.js index 9207da5..bde03d8 100644 --- a/test/test.utils.js +++ b/test/test.utils.js @@ -2,20 +2,19 @@ /*globals describe, it*/ -var utils = require('../lib/utils'); -var expect = require('chai').expect; +const utils = require('../lib/utils'); +const expect = require('chai').expect; +const configSchema = require('../lib/configSchema.json'); describe('utils.js test', function () { - it('should be able to validate IPv4, IPv6 and hostnames', function () { + it('should be able to validate IPv4 and IPv6', function () { expect(utils.isIP('192.168.1.1')).to.equal(true); expect(utils.isIP('94.65.128.173')).to.equal(true); expect(utils.isIP('FE80:0000:0000:0000:0202:B3FF:FE1E:8329')).to.equal(true); expect(utils.isIP('FE80::0202:B3FF:FE1E:8329')).to.equal(true); - expect(utils.isIP('batman.local')).to.equal(true); - expect(utils.isIP(111111)).to.equal(false); expect(utils.isIP('192..1.1')).to.equal(false); @@ -24,54 +23,16 @@ describe('utils.js test', function () { }); - it('should loop i times and pass the arguments to done callback', function (cb) { - var i = 10; - utils.asyncLoop({ - iterations: i, - exec: function (i, stop, next) { - next(i, 'someArg'); - }, - done: function (result, anotherArg) { - expect(result).to.equal(i - 1); - expect(anotherArg).to.equal('someArg'); - cb(); - } - }); - - }); - - - it('should loop i times and stop at n and pass the arguments to done callback', function (cb) { - var i = 10; - var n = 4; - utils.asyncLoop({ - iterations: i, - exec: function (i, stop, next) { - if (i === n) { - stop(i, 'stopValue'); - } - next(i, 'someArg'); - }, - done: function (result, anotherArg) { - expect(result).to.equal(n); - expect(anotherArg).to.equal('stopValue'); - cb(); - } - }); - - }); - - it('should allow valid config', function () { - var config = { + const config = { a: { replace: false, - services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.me/ip'], + services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.io/ip'], timeout: 500, - gerIP: 'sequential' + getIP: 'sequential' }, b: { - services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.me/ip'], + services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.io/ip'], timeout: 500, getIP: 'parallel' }, @@ -79,18 +40,59 @@ describe('utils.js test', function () { timeout: 500 }, // An empty object is valid config - d: {} + d: {}, + + e: { + replace: true, + services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.io/ip'] + }, + f: { + replace: true, + services: ['http://ifconfig.co/x-real-ip'] + }, + g: { + services: ['http://ifconfig.co/x-real-ip'] + }, }; - expect(utils.validateConfig(config.a).valid).to.equal(true); - expect(utils.validateConfig(config.b).valid).to.equal(true); - expect(utils.validateConfig(config.c).valid).to.equal(true); - expect(utils.validateConfig(config.d).valid).to.equal(true); + const defaultLength = configSchema.properties.services.default.length; + + expect(utils.prepareConfig(config.a)).to.equal(null); + expect(config.a.services.length).to.equal(defaultLength + 2); + + expect(utils.prepareConfig(config.b)).to.equal(null); + expect(config.b.services.length).to.equal(defaultLength + 2); + expect(config.b.timeout).to.equal(500); + + expect(utils.prepareConfig(config.c)).to.equal(null); + expect(config.c.services.length).to.equal(defaultLength); + expect(config.c.timeout).to.equal(500); + + // Check all the default values + expect(utils.prepareConfig(config.d)).to.equal(null); + expect(config.d.services.length).to.equal(defaultLength); + expect(config.d.replace).to.equal(configSchema.properties.replace.default); + expect(config.d.timeout).to.equal(configSchema.properties.timeout.default); + expect(config.d.getIP).to.equal(configSchema.properties.getIP.default); + expect(config.d.userAgent).to.equal(configSchema.properties.userAgent.default); + expect(config.d.verbose).to.equal(configSchema.properties.verbose.default); + + expect(utils.prepareConfig(config.e)).to.equal(null); + expect(config.e.services.length).to.equal(2); + + expect(utils.prepareConfig(config.f)).to.equal(null); + expect(config.f.services.length).to.equal(1); + + + expect(utils.prepareConfig(config.g)).to.equal(null); + expect(config.g.services.length).to.equal(defaultLength + 1); + }); + it('sould reject invalid config', function () { - var config = { + const config = { a: { replace: 'batman', services: [], @@ -105,48 +107,80 @@ describe('utils.js test', function () { } }; - expect(utils.validateConfig(config.a).errors.length).equal(4); - expect(utils.validateConfig(config.b).errors.length).equal(1); - expect(utils.validateConfig(config.c).errors.length).equal(1); + expect(utils.prepareConfig(config.a).length).equal(4); + expect(utils.prepareConfig(config.b).length).equal(1); + expect(utils.prepareConfig(config.c).length).equal(1); }); - it('should merge a valid configuration with default configuration', function () { - - var config = { - default: { - replace: false, - services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.me/ip'], - timeout: 500, - getIP: 'sequential' - }, - a: {}, - b: { - services: ['http://ifconfig.co/x-real-ip', 'http://ifconfig.me/ip'], - timeout: 1000, - getIP: 'parallel' - }, - c: { - replace: true, - services: ['http://ifconfig.co/x-real-ip'] - } + it('Should return an IP for every service entry in the default configuration', function (done) { + const defaultServices = configSchema.properties.services.default; + const config = { + timeout: 1000, + userAgent: 'curl/' }; + // set the test timeout taking every request into account + this.timeout(config.timeout * defaultServices.length); + // configure a request for every service + const requests = defaultServices.map((url) => utils.requestFactory(config, url)); + + let completed = []; + // hit them and validate the results + requests.forEach((request) => { + request((error, ip) => { + expect(error).to.equal(null); + expect(utils.isIP(ip)).to.equal(true); + completed.push(ip); + // Every service has responded + if (completed.length === requests.length) { + + // When runing on travis IPs will not be the same because of the infrastructure + if(process.env.TRAVIS) { + return done(); + } + // Check if every IP is the same + return (!!completed.reduce((a, b) => a === b ? a : NaN)) ? done() : done(new Error('IP mismatch')); + } + }); + }); - var merged = utils.mergeConfig(config.a, config.default); - expect(merged).to.have.property('timeout', 500); - expect(merged).to.have.property('services').with.lengthOf(2); - expect(merged).to.have.property('getIP', 'sequential'); - - merged = utils.mergeConfig(config.b, config.default); - expect(merged).to.have.property('timeout', 1000); - expect(merged).to.have.property('services').with.lengthOf(4); - expect(merged).to.have.property('getIP', 'parallel'); + }); - merged = utils.mergeConfig(config.c, config.default ); - expect(merged).to.have.property('timeout', 500); - expect(merged).to.have.property('services').with.lengthOf(1); + it('should be able to fail as expected when an service cant be found', function (done) { + const config = { + timeout: 1000, + userAgent: 'curl/' + }; + utils.requestFactory(config, 'http://i am doomed to fail cause i dont exist')((error, ip) => { + expect(ip).to.equal(null); + if (process.platform === 'win32') {// Hack cause windows does not produce ENOTFOUND :/ + expect(error.message).to.contain('Request timed out'); + } else { + expect(error.message).to.contain('ENOTFOUND'); + } + done(); + }); + }); + it('should be able to fail as expected when an service wont return a valid IP', function (done) { + const config = { + timeout: 1000, + userAgent: 'curl/' + }; + utils.requestFactory(config, 'http://www.google.com')((error, ip) => { + expect(ip).to.equal(null); + expect(error.message).to.contain('invalid IP'); + done(); + }); + }); + it('should be able to format multiple error messages', function () { + const error = utils.concatErrors([ + new Error('Software failure.'), + new Error('Press left mouse button to continue'), + new Error('Guru Meditation '), + ]); + expect(error.message).to.equal('Multiple errors: \n Software failure. \n Press left mouse button to continue \n Guru Meditation \n'); }); -}); \ No newline at end of file +});