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529 lines
13 KiB
529 lines
13 KiB
/**
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* Wappalyzer v2
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*
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* Created by Elbert Alias <elbert@alias.io>
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*
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* License: GPLv3 http://www.gnu.org/licenses/gpl-3.0.txt
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*/
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var wappalyzer = (function() {
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//'use strict';
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/**
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* Application class
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*/
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var Application = function(app, detected) {
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this.app = app;
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this.confidence = {};
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this.confidenceTotal = 0;
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this.detected = Boolean(detected);
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this.excludes = [];
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this.version = '';
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this.versions = [];
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};
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Application.prototype = {
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/**
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* Calculate confidence total
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*/
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getConfidence: function() {
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var total = 0, id;
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for ( id in this.confidence ) {
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total += this.confidence[id];
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}
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return this.confidenceTotal = Math.min(total, 100);
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},
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/**
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* Resolve version number (find the longest version number that contains all shorter detected version numbers)
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*/
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getVersion: function() {
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var i, resolved;
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if ( !this.versions.length ) {
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return;
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}
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this.versions.sort(function(a, b) {
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return a.length - b.length;
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});
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resolved = this.versions[0];
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for ( i = 1; i < this.versions.length; i++ ) {
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if ( this.versions[i].indexOf(resolved) === -1 ) {
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break;
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}
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resolved = this.versions[i];
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}
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return this.version = resolved;
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},
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setDetected: function(pattern, type, value, key) {
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this.detected = true;
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// Set confidence level
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this.confidence[type + ' ' + ( key ? key + ' ' : '' ) + pattern.regex] = pattern.confidence ? pattern.confidence : 100;
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// Detect version number
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if ( pattern.version ) {
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var
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version = pattern.version,
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matches = pattern.regex.exec(value);
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if ( matches ) {
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matches.forEach(function(match, i) {
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// Parse ternary operator
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var ternary = new RegExp('\\\\' + i + '\\?([^:]+):(.+)$').exec(version);
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if ( ternary && ternary.length === 3 ) {
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w.log({ match: match, i: i, ternary: ternary });
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version = version.replace(ternary[0], match ? ternary[1] : ternary[2]);
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w.log({ version: version });
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}
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// Replace back references
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version = version.replace('\\' + i, match ? match : '');
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});
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if ( version && this.versions.indexOf(version) < 0 ) {
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this.versions.push(version);
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}
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this.getVersion();
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}
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}
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}
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};
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var Profiler = function() {
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this.regexCount = 0;
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this.startTime = new Date().getTime();
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this.lastTime = new Date().getTime();
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this.slowest = { duration: null, app: '', type: '', pattern: '' };
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this.timedOut = false;
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};
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Profiler.prototype = {
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checkPoint: function(app, type, regex) {
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var duration = new Date().getTime() - this.lastTime;
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if ( !this.slowest.duration || duration > this.slowest.duration ) {
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this.slowest.duration = duration;
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this.slowest.app = app;
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this.slowest.type = type;
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this.slowest.regex = regex;
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}
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this.regexCount++;
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this.lastTime = new Date().getTime();
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this.timedOut = this.lastTime - this.startTime > 1000;
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}
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};
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/**
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* Call driver functions
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*/
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var driver = function(func, args) {
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if ( typeof w.driver[func] !== 'function' ) {
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w.log('not implemented: w.driver.' + func, 'warn');
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return;
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}
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if ( func !== 'log' ) {
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w.log('w.driver.' + func);
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}
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return w.driver[func](args);
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};
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/**
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* Parse apps.json patterns
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*/
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var parse = function(patterns) {
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var
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attrs,
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parsed = [];
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// Convert single patterns to an array
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if ( typeof patterns === 'string' ) {
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patterns = [ patterns ];
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}
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patterns.forEach(function(pattern) {
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attrs = {};
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pattern.split('\\;').forEach(function(attr, i) {
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if ( i ) {
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// Key value pairs
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attr = attr.split(':');
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if ( attr.length > 1 ) {
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attrs[attr.shift()] = attr.join(':');
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}
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} else {
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attrs.string = attr;
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try {
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attrs.regex = new RegExp(attr.replace('/', '\/'), 'i'); // Escape slashes in regular expression
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} catch (e) {
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attrs.regex = new RegExp();
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w.log(e + ': ' + attr, 'error');
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}
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}
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});
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parsed.push(attrs);
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});
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return parsed;
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};
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/**
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* Main script
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*/
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var w = {
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apps: {},
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cats: null,
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ping: { hostnames: {} },
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detected: {},
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config: {
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websiteURL: 'https://wappalyzer.com/',
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twitterURL: 'https://twitter.com/Wappalyzer',
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githubURL: 'https://github.com/ElbertF/Wappalyzer',
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},
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/**
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* Log messages to console
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*/
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log: function(message, type) {
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if ( type === undefined ) {
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type = 'debug';
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}
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if ( typeof message === 'object' ) {
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message = JSON.stringify(message);
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}
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driver('log', { message: '[wappalyzer ' + type + '] ' + message, type: type });
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},
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/**
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* Initialize
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*/
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init: function() {
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w.log('w.init');
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// Checks
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if ( w.driver === undefined ) {
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w.log('no driver, exiting');
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return;
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}
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// Initialize driver
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driver('init');
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},
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/**
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* Analyze the request
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*/
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analyze: function(hostname, url, data) {
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var
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i, j, app, confidence, type, regexMeta, regexScript, match, content, meta, header, version, id,
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profiler = new Profiler(),
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apps = {},
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excludes = [],
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checkImplies = true;
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w.log('w.analyze');
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// Remove hash from URL
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data.url = url = url.split('#')[0];
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if ( w.apps === undefined || w.categories === undefined ) {
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w.log('apps.json not loaded, check for syntax errors');
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return;
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}
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if ( w.detected[url] === undefined ) {
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w.detected[url] = {};
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}
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for ( app in w.apps ) {
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// Exit loop after one second to prevent CPU hogging
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// Remaining patterns will not be evaluated
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if ( profiler.timedOut ) {
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w.log('Timeout, exiting loop');
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break;
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}
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apps[app] = w.detected[url] && w.detected[url][app] ? w.detected[url][app] : new Application(app);
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for ( type in w.apps[app] ) {
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switch ( type ) {
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case 'url':
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parse(w.apps[app][type]).forEach(function(pattern) {
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if ( pattern.regex.test(url) ) {
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apps[app].setDetected(pattern, type, url);
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}
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profiler.checkPoint(app, type, pattern.regex);
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});
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break;
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case 'html':
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if ( typeof data[type] !== 'string' || !data.html ) {
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break;
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}
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parse(w.apps[app][type]).forEach(function(pattern) {
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if ( pattern.regex.test(data[type]) ) {
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apps[app].setDetected(pattern, type, data[type]);
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}
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profiler.checkPoint(app, type, pattern.regex);
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});
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break;
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case 'script':
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if ( typeof data.html !== 'string' || !data.html ) {
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break;
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}
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regexScript = new RegExp('<script[^>]+src=("|\')([^"\']+)', 'ig');
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parse(w.apps[app][type]).forEach(function(pattern) {
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while ( match = regexScript.exec(data.html) ) {
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if ( pattern.regex.test(match[2]) ) {
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apps[app].setDetected(pattern, type, match[2]);
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}
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}
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profiler.checkPoint(app, type, pattern.regex);
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});
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break;
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case 'meta':
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if ( typeof data.html !== 'string' || !data.html ) {
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break;
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}
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regexMeta = /<meta[^>]+>/ig;
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while ( match = regexMeta.exec(data.html) ) {
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for ( meta in w.apps[app][type] ) {
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profiler.checkPoint(app, type, regexMeta);
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if ( new RegExp('name=["\']' + meta + '["\']', 'i').test(match) ) {
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content = match.toString().match(/content=("|')([^"']+)("|')/i);
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parse(w.apps[app].meta[meta]).forEach(function(pattern) {
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if ( content && content.length === 4 && pattern.regex.test(content[2]) ) {
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apps[app].setDetected(pattern, type, content[2], meta);
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}
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profiler.checkPoint(app, type, pattern.regex);
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});
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}
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}
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}
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break;
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case 'headers':
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if ( typeof data[type] !== 'object' || !data[type] ) {
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break;
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}
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for ( header in w.apps[app].headers ) {
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parse(w.apps[app][type][header]).forEach(function(pattern) {
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if ( typeof data[type][header.toLowerCase()] === 'string' && pattern.regex.test(data[type][header.toLowerCase()]) ) {
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apps[app].setDetected(pattern, type, data[type][header.toLowerCase()], header);
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}
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profiler.checkPoint(app, type, pattern.regex);
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});
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}
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break;
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case 'env':
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if ( typeof data[type] !== 'object' || !data[type] ) {
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break;
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}
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parse(w.apps[app][type]).forEach(function(pattern) {
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for ( i in data[type] ) {
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if ( pattern.regex.test(data[type][i]) ) {
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apps[app].setDetected(pattern, type, data[type][i]);
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}
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}
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profiler.checkPoint(app, type, pattern.regex);
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});
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break;
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}
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}
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}
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w.log('[ profiler ] Tested ' + profiler.regexCount + ' regular expressions in ' + ( (new Date().getTime() - profiler.startTime) / 1000 ) + 's');
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w.log('[ profiler ] Slowest pattern took ' + ( profiler.slowest.duration / 1000 ) + 's: ' + profiler.slowest.app + ' | ' + profiler.slowest.type + ' | ' + profiler.slowest.regex);
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for ( app in apps ) {
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if ( !apps[app].detected ) {
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delete apps[app];
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}
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if ( w.apps[app].excludes ) {
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if ( typeof w.apps[app].excludes === 'string' ) {
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w.apps[app].excludes = [ w.apps[app].excludes ];
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}
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w.apps[app].excludes.forEach(function(excluded) {
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excludes.push(excluded);
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});
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}
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}
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// Remove excluded applications
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for ( app in apps ) {
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if ( excludes.indexOf(app) !== -1 ) {
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delete apps[app];
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}
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}
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// Implied applications
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// Run several passes as implied apps may imply other apps
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while ( checkImplies ) {
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checkImplies = false;
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for ( app in apps ) {
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confidence = apps[app].confidence;
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if ( w.apps[app] && w.apps[app].implies ) {
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// Cast strings to an array
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if ( typeof w.apps[app].implies === 'string' ) {
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w.apps[app].implies = [ w.apps[app].implies ];
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}
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w.apps[app].implies.forEach(function(implied) {
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implied = parse(implied)[0];
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if ( !w.apps[implied.string] ) {
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w.log('Implied application ' + implied.string + ' does not exist', 'warn');
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return;
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}
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if ( !apps.hasOwnProperty(implied.string) ) {
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apps[implied.string] = w.detected[url] && w.detected[url][implied.string] ? w.detected[url][implied.string] : new Application(implied.string, true);
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checkImplies = true;
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}
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// Apply app confidence to implied app
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for ( id in confidence ) {
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apps[implied.string].confidence[id + ' implied by ' + app] = confidence[id] * ( implied.confidence ? implied.confidence / 100 : 1 );
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}
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});
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}
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}
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}
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w.log(Object.keys(apps).length + ' apps detected: ' + Object.keys(apps).join(', ') + ' on ' + url);
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// Keep history of detected apps
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for ( app in apps ) {
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confidence = apps[app].confidence;
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version = apps[app].version;
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// Per URL
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w.detected[url][app] = apps[app];
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for ( id in confidence ) {
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w.detected[url][app].confidence[id] = confidence[id];
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}
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if ( w.detected[url][app].getConfidence() >= 100 ) {
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// Per hostname
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if ( /(www.)?((.+?)\.(([a-z]{2,3}\.)?[a-z]{2,6}))$/.test(hostname) && !/((local|dev(elopment)?|stag(e|ing)?|test(ing)?|demo(shop)?|admin|google|cache)\.|\/admin|\.local)/.test(url) ) {
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if ( !w.ping.hostnames.hasOwnProperty(hostname) ) {
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w.ping.hostnames[hostname] = { applications: {}, meta: {} };
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}
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if ( !w.ping.hostnames[hostname].applications.hasOwnProperty(app) ) {
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w.ping.hostnames[hostname].applications[app] = { hits: 0 };
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}
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w.ping.hostnames[hostname].applications[app].hits ++;
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if ( version ) {
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w.ping.hostnames[hostname].applications[app].version = version;
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}
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} else {
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w.log('Ignoring hostname "' + hostname + '"');
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}
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}
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}
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// Additional information
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if ( w.ping.hostnames.hasOwnProperty(hostname) ) {
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if ( typeof data.html === 'string' && data.html ) {
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match = data.html.match(/<html[^>]*[: ]lang="([a-z]{2}((-|_)[A-Z]{2})?)"/i);
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if ( match && match.length ) {
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w.ping.hostnames[hostname].meta['language'] = match[1];
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}
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regexMeta = /<meta[^>]+>/ig;
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while ( match = regexMeta.exec(data.html) ) {
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if ( !match.length ) {
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continue;
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}
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match = match[0].match(/name="(author|copyright|country|description|keywords)"[^>]*content="([^"]+)"/i);
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if ( match && match.length === 3 ) {
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w.ping.hostnames[hostname].meta[match[1]] = match[2];
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}
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}
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}
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//w.log({ hostname: hostname, ping: w.ping.hostnames[hostname] });
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}
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if ( Object.keys(w.ping.hostnames).length >= 20 ) {
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driver('ping');
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}
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apps = null;
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data = null;
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driver('displayApps');
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}
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};
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return w;
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})();
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// CommonJS package
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// See http://wiki.commonjs.org/wiki/CommonJS
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if ( typeof exports === 'object' ) {
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exports.wappalyzer = wappalyzer;
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}
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