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99 lines
2.7 KiB
99 lines
2.7 KiB
(function() {
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var c = {
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init: function() {
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c.log('init');
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chrome.extension.sendRequest({ id: 'analyze', subject: { html: document.documentElement.innerHTML } });
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c.getEnvironmentVars();
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c.getResponseHeaders();
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},
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log: function(message) {
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chrome.extension.sendRequest({ id: 'log', message: '[ content.js ] ' + message });
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},
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getEnvironmentVars: function() {
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c.log('getEnvironmentVars');
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if ( typeof document.documentElement.innerHTML === 'undefined' ) {
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return;
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}
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try {
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var container = document.createElement('wappalyzerData');
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container.setAttribute('id', 'wappalyzerData');
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container.setAttribute('style', 'display: none');
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var script = document.createElement('script');
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script.setAttribute('id', 'wappalyzerEnvDetection');
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script.innerHTML =
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'(function() {' +
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'try {' +
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'var i, environmentVars, event = document.createEvent("Events");' +
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'event.initEvent("wappalyzerEvent", true, false);' +
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'for ( i in window ) { environmentVars += i + " "; }' +
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'document.getElementById("wappalyzerData").appendChild(document.createComment(environmentVars));' +
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'document.getElementById("wappalyzerData").dispatchEvent(event);' +
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'}' +
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'catch(e) { }' +
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'})();';
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container.addEventListener('wappalyzerEvent', (function(event) {
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var environmentVars = event.target.childNodes[0].nodeValue;
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document.documentElement.removeChild(container);
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document.documentElement.removeChild(script);
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c.log('getEnvironmentVars: ' + environmentVars);
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environmentVars = environmentVars.split(' ');
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chrome.extension.sendRequest({ id: 'analyze', subject: { env: environmentVars } });
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}), true);
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document.documentElement.appendChild(container);
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document.documentElement.appendChild(script);
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} catch(e) {
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c.log('Error: ' + e);
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}
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},
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getResponseHeaders: function() {
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var xhr = new XMLHttpRequest();
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xhr.open('GET', window.location, true);
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xhr.onreadystatechange = function() {
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if ( xhr.readyState === 4 && xhr.status ) {
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var headers = xhr.getAllResponseHeaders().split("\n");
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if ( headers.length > 0 && headers[0] != '' ) {
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c.log('responseHeaders: ' + xhr.getAllResponseHeaders());
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var responseHeaders = {};
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headers.forEach(function(line) {
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if ( line ) {
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name = line.substring(0, line.indexOf(': '));
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value = line.substring(line.indexOf(': ') + 2, line.length - 1);
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responseHeaders[name] = value;
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}
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});
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chrome.extension.sendRequest({ id: 'analyze', subject: { headers: responseHeaders } });
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}
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}
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}
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xhr.send();
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}
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}
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c.init();
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})();
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