fixes https://add0n.com/useragent-switcher.html#IDComment1053050810

common.js

@@ -1,11 +1,18 @@
+/* globals UAParser*/
+
 'use strict';
 
-var ua = 'hi';
+var ua = {
+  userAgent: '',
+  appVersion: '',
+  platform: '',
+  vendor: ''
+};
 
 var onBeforeSendHeaders = ({requestHeaders}) => {
   for (let i = 0, name = requestHeaders[0].name; i < requestHeaders.length; i += 1, name = requestHeaders[i].name) {
     if (name === 'User-Agent' || name === 'user-agent') {
-      requestHeaders[i].value = ua;
+      requestHeaders[i].value = ua.userAgent;
       return {
         requestHeaders
       };
@@ -21,7 +28,10 @@ var onCommitted = ({frameId, url, tabId}) => {
       code: `{
         const script = document.createElement('script');
         script.textContent = \`{
-          navigator.__defineGetter__('userAgent', () => '${ua}');
+          navigator.__defineGetter__('userAgent', () => '${ua.userAgent}');
+          navigator.__defineGetter__('appVersion', () => '${ua.appVersion}');
+          navigator.__defineGetter__('platform', () => '${ua.platform}');
+          navigator.__defineGetter__('vendor', () => '${ua.vendor}');
         }\`;
         document.documentElement.appendChild(script);
       }`
@@ -30,8 +40,15 @@ var onCommitted = ({frameId, url, tabId}) => {
 };
 
 function update(str) {
-  ua = str;
-  if (ua) {
+  ua.userAgent = str;
+  ua.appVersion = str
+    .replace(/^Mozilla\//, '')
+    .replace(/^Opera\//, '');
+  if (str) {
+    const p = new UAParser(str);
+    ua.platform = p.getOS().name || '';
+    ua.vendor = p.getDevice().vendor || '';
+
     chrome.webRequest.onBeforeSendHeaders.addListener(onBeforeSendHeaders, {
       'urls' : ['*://*/*']
     }, ['blocking', 'requestHeaders']);
@@ -43,16 +60,16 @@ function update(str) {
   }
   chrome.browserAction.setIcon({
     path: {
-      16: 'data/icons/' + (ua ? 'active/' : '') + '16.png',
-      32: 'data/icons/' + (ua ? 'active/' : '') + '32.png',
-      48: 'data/icons/' + (ua ? 'active/' : '') + '48.png',
-      64: 'data/icons/' + (ua ? 'active/' : '') + '64.png'
+      16: 'data/icons/' + (str ? 'active/' : '') + '16.png',
+      32: 'data/icons/' + (str ? 'active/' : '') + '32.png',
+      48: 'data/icons/' + (str ? 'active/' : '') + '48.png',
+      64: 'data/icons/' + (str ? 'active/' : '') + '64.png'
     }
   });
   chrome.browserAction.setTitle({
-    title: `UserAgent Switcher (${ua ? 'enabled' : 'disabled'})
+    title: `UserAgent Switcher (${str ? 'enabled' : 'disabled'})
 
-User-Agent String: ${ua || navigator.userAgent}`
+User-Agent String: ${str || navigator.userAgent}`
   });
 }
 

data/popup/ReadMe.txt

@@ -1,5 +1,7 @@
-Generating the list:
+ua-parser.min.js:
+  https://github.com/faisalman/ua-parser-js/blob/master/dist/ua-parser.min.js
 
+Generating the list:
   Run
   JSON.stringify([...document.querySelectorAll('li a')].map(a => a.textContent))
   on

data/popup/index.css

@@ -51,6 +51,7 @@ input {
   border: solid 1px #ccc;
   box-sizing: border-box;
   height: 24px;
+  border-radius: 0;
 }
 input[type=button] {
   cursor: pointer;

data/popup/index.html

@@ -147,12 +147,13 @@
     <div hbox>
       <input type="search" id="custom" placeholder="Filter items">
       <input type="button" value="Update" disabled="true">
+      <input type="button" value="Refresh" title="Refresh the current page" style="margin-left: 2px;" data-cmd="refresh">
     </div>
     <div hbox id="agent" pack="center" align="center">
       User-Agent String:&nbsp;
       <input id="ua" type="text" name="">
-      <input type="button" value="Apply" data-cmd="apply">
-      <input type="button" value="Reset" style="margin-left: 2px;" data-cmd="reset">
+      <input type="button" value="Apply" title="Set this string as the browser's User-Agent string" data-cmd="apply">
+      <input type="button" value="Reset" title="Reset User-Agent string to the default one" style="margin-left: 2px;" data-cmd="reset">
     </div>
     <script src="ua-parser.min.js"></script>
     <script src="index.js"></script>

data/popup/index.js

@@ -160,5 +160,13 @@ document.addEventListener('click', ({target}) => {
         ua: ''
       });
     }
+    else if (cmd === 'refresh') {
+      chrome.tabs.query({
+        active: true,
+        currentWindow: true
+      }, ([tab]) => chrome.tabs.reload(tab.id, {
+        bypassCache: true
+      }));
+    }
   }
 });

manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "User-Agent Switcher",
-  "version": "0.1.1",
+  "version": "0.1.2",
 
   "description": "Spoofs User-Agent strings of your browser",
 
@@ -24,6 +24,7 @@
   },
   "background":{
     "scripts":[
+      "data/popup/ua-parser.min.js",
       "common.js"
     ]
   },
@@ -36,5 +37,11 @@
     },
     "default_popup": "data/popup/index.html"
   },
-  "homepage_url": "http://add0n.com/useragent-switcher.html"
+  "homepage_url": "http://add0n.com/useragent-switcher.html",
+    "applications": {
+    "gecko": {
+      "id": "{a6c4a591-f1b2-4f03-b3ff-767e5bedf4e7}",
+      "strict_min_version": "52.0"
+    }
+  }
 }