web: Add sqlite3 storage for sessions (sticky sessions)

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>

web/.gitignore

@@ -19,3 +19,5 @@ app/js
 npm-debug.log
 
 config.js
+
+sessions.db

web/package.json

@@ -13,6 +13,7 @@
     "express": "~3.3.8",
     "connect": "~2.9.0",
     "grunt-contrib-uglify": "~0.2.4",
-    "grunt-contrib-concat": "~0.3.0"
+    "grunt-contrib-concat": "~0.3.0",
+    "connect-sqlite3": "~0.9.2"
   }
 }

web/server.js

@@ -3,6 +3,7 @@
 var express = require('express');
 var config = require('./config.js');
 var db = require('./middleware/db.js');
+var SQLiteStore = require('connect-sqlite3')(express);
 
 var sessions = require('./routes/sessions.js');
 var points = require('./routes/points.js');
@@ -15,7 +16,11 @@ var app = express();
 app.use(express.logger('dev'));
 app.use(express.bodyParser());
 app.use(express.cookieParser());
-app.use(express.session({ secret: config.secret }));
+app.use(express.session({
+    store: new SQLiteStore,
+    secret: config.secret,
+    cookie: { maxAge: 7 * 24 * 60 * 60 * 1000 } // 1 week
+}));
 app.use(express.static(__dirname + '/app'));
 
 db.config(config.db_config);