Added configuration and made key length configurable

config.js

@@ -0,0 +1,5 @@
+{
+
+  "keyLength": 6
+
+}

lib/document_handler.js

@@ -2,8 +2,8 @@ var winston = require('winston');
 
 // For handling serving stored documents
 
-var DocumentHandler = function() {
-
+var DocumentHandler = function(options) {
+  this.keyLength = options.keyLength || 20;
 };
 
 // TODO implement with FS backend
@@ -45,11 +45,10 @@ DocumentHandler.prototype.handlePost = function(request, response) {
 };
 
 // Generate a random key
-// TODO make length configurable
 DocumentHandler.prototype.randomKey = function() {
   var text = '';
   var keyspace = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
-  for (var i = 0; i < 6; i++) {
+  for (var i = 0; i < this.keyLength; i++) {
     text += keyspace.charAt(Math.floor(Math.random() * keyspace.length));
   }
   return text;

server.js

@@ -1,13 +1,16 @@
 var http = require('http');
 var url = require('url');
+var fs = require('fs');
 
 var winston = require('winston');
 
 var StaticHandler = require('./lib/static_handler');
 var DocumentHandler = require('./lib/document_handler');
 
-/////////////
-// Configure logging TODO
+// Load the configuration
+var config = JSON.parse(fs.readFileSync('config.js', 'utf8'));
+
+// Configure logging - TODO make configurable
 winston.remove(winston.transports.Console);
 winston.add(winston.transports.Console, { colorize: true, level: 'verbose' });
 
@@ -22,7 +25,7 @@ http.createServer(function(request, response) {
 
   // Looking to add a new doc
   if (incoming.pathname.match(/^\/documents$/) && request.method == 'POST') {
-    handler = new DocumentHandler();
+    handler = new DocumentHandler({ keyLength: config.keyLength });
     return handler.handlePost(request, response);
   }