using redisStore for session storage

.gitignore

@@ -17,6 +17,8 @@ pids
 *.pid
 *.seed
 
+# Redis dumps
+dump.rdb
 
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov

package.json

@@ -29,14 +29,15 @@
     "body-parser": "^1.10.2",
     "bower": "^1.3.12",
     "cloudinary": "^1.1.1",
+    "connect-redis": "^2.2.0",
     "cookie-parser": "^1.3.3",
     "express": "^4.11.1",
     "express-jwt": "^1.0.0",
     "express-session": "^1.10.1",
     "gulp": "^3.8.10",
     "gulp-compass": "~2.0.3",
-    "gulp-coveralls": "^0.1.3",
     "gulp-concat": "^2.4.3",
+    "gulp-coveralls": "^0.1.3",
     "gulp-exit": "0.0.2",
     "gulp-image": "^0.5.3",
     "gulp-istanbul": "^0.5.0",
@@ -63,6 +64,7 @@
     "passport-facebook": "^1.0.3",
     "passport-local": "^1.0.0",
     "passport-twitter": "^1.0.2",
+    "redis": "^0.12.1",
     "run-sequence": "^1.0.2",
     "url-to-screenshot": "^0.6.0"
   },

server/config/environment/development.js

@@ -8,5 +8,10 @@ module.exports = {
     uri: 'mongodb://localhost/archivr-dev'
   },
 
+  redis: {
+    hostname: '127.0.0.1',
+    port: 6379
+  },
+
   seedDB: true
 };

server/config/environment/production.js

@@ -2,6 +2,11 @@
 
 // Production specific configuration
 // =================================
+
+// Parse RedisCloud environment variable
+var url = require('url');
+var redisURL = url.parse(process.env.REDISCLOUD_URL || '');
+
 module.exports = {
   // Server IP
   ip:       process.env.OPENSHIFT_NODEJS_IP ||
@@ -19,5 +24,12 @@ module.exports = {
             process.env.MONGOHQ_URL ||
             process.env.OPENSHIFT_MONGODB_DB_URL+process.env.OPENSHIFT_APP_NAME ||
             'mongodb://localhost/archivr'
+  },
+
+  // Redis connection options
+  redis: {
+    hostname: redisURL.hostname || '127.0.0.1',
+    port: redisURL.port || 6379,
+    auth: redisURL.auth ? redisURL.auth.split(':')[1] : undefined
   }
 };

server/config/express.js

@@ -3,6 +3,14 @@ var bodyParser = require('body-parser');
 var morgan = require('morgan');
 var config = require('./environment');
 var session = require('express-session');
+var RedisStore = require('connect-redis')(session);
+var redis = require('redis');
+var url = require('url');
+
+// Configure Redis server
+var redisClient = redis.createClient(config.redis.port, config.redis.hostname,
+                                     { no_ready_check: true }); // jshint ignore:line
+if (config.redis.auth) redisClient.auth(config.redis.auth);
 
 module.exports = function expressConfig(app) {
   // standard POST request body parser
@@ -14,6 +22,16 @@ module.exports = function expressConfig(app) {
   // HTTP request logger middleware
   app.use(morgan('combined'));
 
+  app.use(session({
+    // Use RedisStore for session storage
+    store: new RedisStore({
+      client: redisClient
+    }),
+    secret: config.expressSessionSecret,
+    resave: false,
+    saveUninitialized: true
+  }));
+
   // set view directory
   app.set('views', __dirname + '/../views');
 
@@ -23,12 +41,6 @@ module.exports = function expressConfig(app) {
   // set static asset dir
   app.use(express.static(__dirname + '/../../client/app/dist'));
 
-  app.use(session({
-    secret: config.expressSessionSecret,
-    resave: false,
-    saveUninitialized: true
-  }));
-
   // dynamically set port if in production otherwise use port 3000
   app.set('port', config.port);
   app.set('jwtTokenSecret', config.jwtTokenSecret);