Fix meta detection method

src/drivers/npm/package.json

@@ -2,7 +2,7 @@
   "name": "wappalyzer",
   "description": "Uncovers the technologies used on websites",
   "homepage": "https://github.com/AliasIO/Wappalyzer",
-  "version": "5.4.4",
+  "version": "5.4.5",
   "author": "Elbert Alias",
   "license": "GPL-3.0",
   "repository": {

src/drivers/webextension/js/content.js

@@ -5,8 +5,8 @@ if ( typeof browser !== 'undefined' && typeof document.body !== 'undefined' ) {
   try {
     var html = new XMLSerializer().serializeToString(document);
 
-    if ( html.length > 50000 ) {
+    if ( html.length > 500000 ) {
-      html = html.substring(0, 25000) + html.substring(html.length - 25000, html.length);
+      html = html.substring(0, 250000) + html.substring(html.length - 250000, html.length);
     }
 
     const scripts = Array.prototype.slice

src/drivers/webextension/js/inject.js

@@ -1,7 +1,6 @@
 (function() {
 	try {
     addEventListener('message', (event => {
-      console.log({ event });
       if ( event.data.id !== 'patterns' ) {
         return;
       }

src/drivers/webextension/manifest.json

@@ -4,7 +4,7 @@
 	"author": "Elbert Alias",
 	"homepage_url": "https://www.wappalyzer.com",
 	"description": "Identify web technologies",
-	"version": "5.4.4",
+	"version": "5.4.5",
 	"default_locale": "en",
 	"manifest_version": 2,
 	"icons": {

src/wappalyzer.js

@@ -442,13 +442,16 @@ class Wappalyzer {
   analyzeMeta(app, html) {
     var regex = /<meta[^>]+>/ig;
     var patterns = this.parsePatterns(app.props.meta);
-    var content;
+    var content = '';
-    var match;
+    var matches = [];
 
-    while ( patterns && ( match = regex.exec(html) ) ) {
+    while ( patterns && ( matches = regex.exec(html) ) ) {
       for ( var meta in patterns ) {
-        if ( new RegExp('(name|property)=["\']' + meta + '["\']', 'i').test(match) ) {
+
-          content = match.toString().match(/content=("|')([^"']+)("|')/i);
+        const r = new RegExp('(?:name|property)=["\']' + meta + '["\']', 'i');
+
+        if ( new RegExp('(?:name|property)=["\']' + meta + '["\']', 'i').test(matches[0]) ) {
+          content = matches[0].match(/content=("|')([^"']+)("|')/i);
 
           patterns[meta].forEach(pattern => {
             if ( content && content.length === 4 && pattern.regex.test(content[2]) ) {