some more progress on backend integration

backend/app.js

@@ -6,6 +6,9 @@ const fs = require( 'fs' );
 const bodyParser = require( 'body-parser' );
 const cookieParser = require( 'cookie-parser' )
 const favicon = require( 'serve-favicon' );
+const static = require( 'express-static' );
+
+const authKey = '' + fs.readFileSync( path.join( __dirname + '/authorizationKey.txt' ) );
 
 app.use( expressSession ( {
     secret: 'akgfsdkgfösdolfgslöodfvolwseifvoiwefö',
@@ -16,16 +19,33 @@ app.use( bodyParser.urlencoded( { extended: false } ) );
 app.use( bodyParser.json() );
 app.use( cookieParser() );
 app.use( favicon( path.join( __dirname + '' ) ) );
+app.use( static() );
+
+
+app.post( '/connect', ( request, response ) => {
+    if ( request.session.authorized ) {
+        response.send( 'Already authenticated' );
+    } else {
+        if ( request.body.authKey === authKey ) {
+            request.session.authorized = true;
+            response.send( 'Handshake OK' );   
+        } else {
+            response.status( 403 ).send( 'AuthKey wrong' );
+        }
+    }
+} );
+
+app.post( '/statusUpdate/:update', ( req, res ) => {
+    if ( req.session.authorized ) {
+        res.send( 'thanks' );
+    } else {
+        res.status( 403 ).send( 'Unauthorized' );
+    }
+} );
 
 app.use( ( request, response, next ) => {
     response.sendFile( path.join( __dirname + '' ) ) 
 } );
 
-
-app.get( '/', ( request, response ) => {
-
-} );
-
-
 const PORT = process.env.PORT || 8080;
 http.createServer( app ).listen( PORT );