Add hooks for providing our own login UI

src/server.js

@@ -369,7 +369,11 @@ async function initializeExpressSync() {
     // well known
     router.get ('/well-known-handler/*', routes.wellknown.get);
 
-    app.use('/api/v1/oidc', await oidc.getMiddleware('/api/v1/oidc'));
+    // OpenID connect
+    const oidcPrefix = '/api/v1/oidc';
+    const oidcProvider = await oidc.getProvider(oidcPrefix);
+    oidc.attachInteractionRoutes(oidcPrefix, app, oidcProvider);
+    app.use(oidcPrefix, oidcProvider.callback());
 
     // disable server socket "idle" timeout. we use the timeout middleware to handle timeouts on a route level
     // we rely on nginx for timeouts on the TCP level (see client_header_timeout)