add optional http basic auth

README.md

@@ -9,6 +9,7 @@ Features
 * Define multiple glob patterns to find log files 
 * List of log files refreshes automatically when new files are added
 * Live filtering when watching logs
+* Authentication to restrict tail viewing
 
 Setup
 -----

config.json

@@ -1,4 +1,7 @@
 {
+  "basicAuth": false,
+  "user": "admin",
+  "password": "admin",
   "port": 8088,
   "files": [
     {

package.json

@@ -7,6 +7,7 @@
     "flatiron": "~0.3.11",
     "glob": "~3.2.8",
     "union": "~0.3.8",
-    "moment": "~2.5.1"
+    "moment": "~2.5.1",
+    "connect": "2.19.6"
   }
 }

server.js

@@ -4,14 +4,29 @@ var moment = require('moment');
 
 var Primus = require('primus.io');
 var union = require('union');
+var connect = require('connect');
 var ecstatic = require('ecstatic');
 var flatiron = require('flatiron');
 var app      = flatiron.app;
 
 var tail           = require('./lib/tail');
 var config   = require(__dirname + '/config.json');
 
-app.use(flatiron.plugins.http);
+// If the basicAuth property has been set to true in config.json
+// http basic auth is used to restrict access to all pages
+// user and password properties are also set in the config.json
+if (config.basicAuth) {
+  app.use(flatiron.plugins.http, {
+    before: [
+      connect.basicAuth(function(user, pass){
+        return config.user == user && config.password == pass;
+      })
+    ]
+  });
+} else {
+  app.use(flatiron.plugins.http);
+}
+
 
 app.http.before.push(ecstatic(__dirname + '/public'));