plex oauth update - thanks swifty

js/functions.js

@@ -6030,6 +6030,13 @@ function getPlexHeaders(){
         'X-Plex-Product': activeInfo.appearance.title,
         'X-Plex-Version': '2.0',
         'X-Plex-Client-Identifier': activeInfo.settings.misc.uuid,
+        'X-Plex-Model': 'Plex OAuth',
+        'X-Plex-Platform': activeInfo.osName,
+        'X-Plex-Platform-Version': activeInfo.osVersion,
+        'X-Plex-Device': activeInfo.browserName,
+        'X-Plex-Device-Name': activeInfo.browserVersion,
+        'X-Plex-Device-Screen-Resolution': window.screen.width + 'x' + window.screen.height,
+        'X-Plex-Language': 'en'
     };
 }
 var plex_oauth_window = null;
@@ -6107,7 +6114,20 @@ function PlexOAuth(success, error, pre) {
         var x_plex_headers = getPlexHeaders();
         const pin = data.pin;
         const code = data.code;
-        plex_oauth_window.location = 'https://app.plex.tv/auth/#!?clientID=' + x_plex_headers['X-Plex-Client-Identifier'] + '&code=' + code;
+        var oauth_params = {
+            'clientID': x_plex_headers['X-Plex-Client-Identifier'],
+            'context[device][product]': x_plex_headers['X-Plex-Product'],
+            'context[device][version]': x_plex_headers['X-Plex-Version'],
+            'context[device][platform]': x_plex_headers['X-Plex-Platform'],
+            'context[device][platformVersion]': x_plex_headers['X-Plex-Platform-Version'],
+            'context[device][device]': x_plex_headers['X-Plex-Device'],
+            'context[device][deviceName]': x_plex_headers['X-Plex-Device-Name'],
+            'context[device][model]': x_plex_headers['X-Plex-Model'],
+            'context[device][screenResolution]': x_plex_headers['X-Plex-Device-Screen-Resolution'],
+            'context[device][layout]': 'desktop',
+            'code': code
+        };
+        plex_oauth_window.location = 'https://app.plex.tv/auth/#!?' + encodeData(oauth_params);
         polling = pin;
         (function poll() {
             $.ajax({
@@ -6145,6 +6165,11 @@ function PlexOAuth(success, error, pre) {
         }
     });
 }
+function encodeData(data) {
+    return Object.keys(data).map(function(key) {
+        return [key, data[key]].map(encodeURIComponent).join("=");
+    }).join("&");
+}
 function oAuthSuccess(type,token){
     switch(type) {
         case 'plex':