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Diffstat (limited to 'node_modules/systeminformation/lib/internet.js')
| -rw-r--r-- | node_modules/systeminformation/lib/internet.js | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/node_modules/systeminformation/lib/internet.js b/node_modules/systeminformation/lib/internet.js new file mode 100644 index 0000000..71f0878 --- /dev/null +++ b/node_modules/systeminformation/lib/internet.js @@ -0,0 +1,240 @@ +'use strict'; +// @ts-check +// ================================================================================== +// internet.js +// ---------------------------------------------------------------------------------- +// Description: System Information - library +// for Node.js +// Copyright: (c) 2014 - 2022 +// Author: Sebastian Hildebrandt +// ---------------------------------------------------------------------------------- +// License: MIT +// ================================================================================== +// 12. Internet +// ---------------------------------------------------------------------------------- + +// const exec = require('child_process').exec; +const util = require('./util'); + +let _platform = process.platform; + +const _linux = (_platform === 'linux' || _platform === 'android'); +const _darwin = (_platform === 'darwin'); +const _windows = (_platform === 'win32'); +const _freebsd = (_platform === 'freebsd'); +const _openbsd = (_platform === 'openbsd'); +const _netbsd = (_platform === 'netbsd'); +const _sunos = (_platform === 'sunos'); + +// -------------------------- +// check if external site is available + +function inetChecksite(url, callback) { + + return new Promise((resolve) => { + process.nextTick(() => { + let result = { + url: url, + ok: false, + status: 404, + ms: null + }; + if (typeof url !== 'string') { + if (callback) { callback(result); } + return resolve(result); + } + let urlSanitized = ''; + const s = util.sanitizeShellString(url, true); + for (let i = 0; i <= util.mathMin(s.length, 2000); i++) { + if (!(s[i] === undefined)) { + s[i].__proto__.toLowerCase = util.stringToLower; + const sl = s[i].toLowerCase(); + if (sl && sl[0] && !sl[1] && sl[0].length === 1) { + urlSanitized = urlSanitized + sl[0]; + } + } + } + result.url = urlSanitized; + try { + if (urlSanitized && !util.isPrototypePolluted()) { + urlSanitized.__proto__.startsWith = util.stringStartWith; + if (urlSanitized.startsWith('file:') || urlSanitized.startsWith('gopher:') || urlSanitized.startsWith('telnet:') || urlSanitized.startsWith('mailto:') || urlSanitized.startsWith('news:') || urlSanitized.startsWith('nntp:')) { + if (callback) { callback(result); } + return resolve(result); + } + let t = Date.now(); + if (_linux || _freebsd || _openbsd || _netbsd || _darwin || _sunos) { + let args = ['-I', '--connect-timeout', '5', '-m', '5']; + args.push(urlSanitized); + let cmd = 'curl'; + util.execSafe(cmd, args).then((stdout) => { + const lines = stdout.split('\n'); + let statusCode = lines[0] && lines[0].indexOf(' ') >= 0 ? parseInt(lines[0].split(' ')[1], 10) : 404; + result.status = statusCode || 404; + result.ok = (statusCode === 200 || statusCode === 301 || statusCode === 302 || statusCode === 304); + result.ms = (result.ok ? Date.now() - t : null); + if (callback) { callback(result); } + resolve(result); + }); + } + if (_windows) { // if this is stable, this can be used for all OS types + const http = (urlSanitized.startsWith('https:') ? require('https') : require('http')); + try { + http.get(urlSanitized, (res) => { + const statusCode = res.statusCode; + + result.status = statusCode || 404; + result.ok = (statusCode === 200 || statusCode === 301 || statusCode === 302 || statusCode === 304); + + if (statusCode !== 200) { + res.resume(); + result.ms = (result.ok ? Date.now() - t : null); + if (callback) { callback(result); } + resolve(result); + } else { + res.on('data', () => { }); + res.on('end', () => { + result.ms = (result.ok ? Date.now() - t : null); + if (callback) { callback(result); } + resolve(result); + }); + } + }).on('error', () => { + if (callback) { callback(result); } + resolve(result); + }); + } catch (err) { + if (callback) { callback(result); } + resolve(result); + } + } + } else { + if (callback) { callback(result); } + resolve(result); + } + } catch (err) { + if (callback) { callback(result); } + resolve(result); + } + }); + }); +} + +exports.inetChecksite = inetChecksite; + +// -------------------------- +// check inet latency + +function inetLatency(host, callback) { + + // fallback - if only callback is given + if (util.isFunction(host) && !callback) { + callback = host; + host = ''; + } + + host = host || '8.8.8.8'; + + return new Promise((resolve) => { + process.nextTick(() => { + if (typeof host !== 'string') { + if (callback) { callback(null); } + return resolve(null); + } + let hostSanitized = ''; + const s = (util.isPrototypePolluted() ? '8.8.8.8' : util.sanitizeShellString(host, true)).trim(); + for (let i = 0; i <= util.mathMin(s.length, 2000); i++) { + if (!(s[i] === undefined)) { + s[i].__proto__.toLowerCase = util.stringToLower; + const sl = s[i].toLowerCase(); + if (sl && sl[0] && !sl[1]) { + hostSanitized = hostSanitized + sl[0]; + } + } + } + hostSanitized.__proto__.startsWith = util.stringStartWith; + if (hostSanitized.startsWith('file:') || hostSanitized.startsWith('gopher:') || hostSanitized.startsWith('telnet:') || hostSanitized.startsWith('mailto:') || hostSanitized.startsWith('news:') || hostSanitized.startsWith('nntp:')) { + if (callback) { callback(null); } + return resolve(null); + } + let params; + let filt; + if (_linux || _freebsd || _openbsd || _netbsd || _darwin) { + if (_linux) { + params = ['-c', '2', '-w', '3', hostSanitized]; + filt = 'rtt'; + } + if (_freebsd || _openbsd || _netbsd) { + params = ['-c', '2', '-t', '3', hostSanitized]; + filt = 'round-trip'; + } + if (_darwin) { + params = ['-c2', '-t3', hostSanitized]; + filt = 'avg'; + } + util.execSafe('ping', params).then((stdout) => { + let result = null; + if (stdout) { + const lines = stdout.split('\n').filter(line => line.indexOf(filt) >= 0).join('\n'); + + const line = lines.split('='); + if (line.length > 1) { + const parts = line[1].split('/'); + if (parts.length > 1) { + result = parseFloat(parts[1]); + } + } + } + if (callback) { callback(result); } + resolve(result); + }); + } + if (_sunos) { + const params = ['-s', '-a', hostSanitized, '56', '2']; + const filt = 'avg'; + util.execSafe('ping', params, { timeout: 3000 }).then((stdout) => { + let result = null; + if (stdout) { + const lines = stdout.split('\n').filter(line => line.indexOf(filt) >= 0).join('\n'); + const line = lines.split('='); + if (line.length > 1) { + const parts = line[1].split('/'); + if (parts.length > 1) { + result = parseFloat(parts[1].replace(',', '.')); + } + } + } + if (callback) { callback(result); } + resolve(result); + }); + } + if (_windows) { + let result = null; + try { + const params = [hostSanitized, '-n', '1']; + util.execSafe('ping', params, util.execOptsWin).then((stdout) => { + if (stdout) { + let lines = stdout.split('\r\n'); + lines.shift(); + lines.forEach(function (line) { + if ((line.toLowerCase().match(/ms/g) || []).length === 3) { + let l = line.replace(/ +/g, ' ').split(' '); + if (l.length > 6) { + result = parseFloat(l[l.length - 1]); + } + } + }); + } + if (callback) { callback(result); } + resolve(result); + }); + } catch (e) { + if (callback) { callback(result); } + resolve(result); + } + } + }); + }); +} + +exports.inetLatency = inetLatency; |