REFACTORING: Register as a new user (closes #28).

The static pages and rewriting to CouchDB `_users` 
database are no more served by a CouchDB app
but by AAAforREST itself. Additional settings and 
installing are no more required.

A virtual server (`auth.*`) is always on for this.

README.md

@@ -40,8 +40,3 @@ Installation procedure
 * The service can be stopped with:
 
         sudo forever stop app/proxy.js
-
-* The (optional) Web interface can be installed in CouchDB with:
-
-        curl -X PUT -d '"false"' localhost:5984/_config/httpd/secure_rewrites
-        couchapp push --browse db http://localhost:5984/aaaforrest

app/proxy.js

@@ -1,4 +1,6 @@
-var app = require('express')();
+var express = require('express');
+var vhost = require('vhost');
+var proxy = require('express-http-proxy');
 var http = require('http');
 var url = require('url');
 var async = require('async');
@@ -232,6 +234,13 @@ function parseHttpCredentials(context) {
   }
 }
 
+var userApp = express.Router();
+userApp.use(express.static('public'));
+userApp.route('/_users/*').all(proxy(configuration.users || 'localhost:5984'));
+
+var app = express();
+app.use(vhost('auth.*', userApp));
+
 app.use(function(requestIn, responseOut, next) {
   var context = {
     requestIn: requestIn,

conf/config.sample.js

@@ -10,6 +10,11 @@ module.exports = {
    */
   //port: 80,
 
+  /**
+   * CouchDB service hosting _users database.
+   */
+  //users: 'localhost:5984',
+
   sites: [{
 
     /**

package.json

@@ -4,6 +4,8 @@
   "version": "1.2015.0430",
   "dependencies": {
     "express": ">=4.9",
+    "vhost": ">=2.0",
+    "express-http-proxy": ">=0.6",
     "ldapjs": ">=0.7.x",
     "winston": ">=0.8.x",
     "async": ">=0.9.x",