Configuration split to lists, send configurations and server config.

This is before testing.

lib/urls.js

@@ -0,0 +1,29 @@
+'use strict';
+
+const config = require('config');
+const url = require('url');
+
+function getTrustedUrl(path) {
+    return config.www.trustedUrlBase + (path || '');
+}
+
+function getSandboxUrl(path) {
+    return config.www.sandboxUrlBase + (path || '');
+}
+
+function getTrustedUrlBaseDir() {
+    const mailtrainUrl = url.parse(getTrustedUrl());
+    return mailtrainUrl.pathname;
+}
+
+function getSandboxUrlBaseDir() {
+    const mailtrainUrl = url.parse(getSandboxUrl());
+    return mailtrainUrl.pathname;
+}
+
+module.exports = {
+    getTrustedUrl,
+    getSandboxUrl,
+    getTrustedUrlBaseDir,
+    getSandboxUrlBaseDir
+};