Allow for mobile app or web services to retrieve proxy URL to access MainUI

app.js

@@ -110,7 +110,7 @@ if (config.system.subDomainCookies) {
 if (app.get('env') === 'development') {
     app.use(errorHandler());
 }
-if (system.getLoggerMorganOption()){
+if (system.getLoggerMorganOption()) {
     app.use(system.getLoggerMorganOption());
 }
 // App configuration for all environments
@@ -148,7 +148,7 @@ app.use(function (req, res, next) {
         next(); // No host in header, just go ahead
     }
     // If host matches names for full /* proxying, go ahead and just proxy it.
-    if (host.indexOf('remote.') === 0 || host.indexOf('home.') === 0) {
+    if (host.indexOf('remote.') === 0 || host === system.getProxyHost()) {
         //make sure this was not set by another server
         if (req.url.indexOf('/remote') != 0) {
             req.url = '/remote' + req.url;

routes/api.js

@@ -34,3 +34,13 @@ exports.notificationssettingsget = function(req, res) {
     }
     res.send(config);
 };
+
+exports.proxyurlget = function(req, res) {
+    var config = {};
+
+
+    config.proxyurl = {
+        "url": system.getProxyURL()
+    };
+    res.send(config);
+};

routes/index.js

@@ -228,6 +228,7 @@ Routes.prototype.setupAppRoutes = function (app) {
     // myOH API for mobile apps
     app.all('/api/v1/notifications*', this.ensureRestAuthenticated, this.setOpenhab, this.preassembleBody, api_routes.notificationsget);
     app.all('/api/v1/settings/notifications', this.ensureRestAuthenticated, this.setOpenhab, this.preassembleBody, api_routes.notificationssettingsget);
+    app.all('/api/v1/proxyurl', this.ensureRestAuthenticated, this.preassembleBody, this.setOpenhab, api_routes.proxyurlget);
 
     // Android app registration
     app.all('/addAndroidRegistration*', this.ensureRestAuthenticated, this.setOpenhab, this.preassembleBody, androidRegistrationService);