Merge branch 'master' of https://github.com/redradix/curso-node-js

ejercicios/blog/package.json

@@ -8,6 +8,7 @@
     "express": "*",
     "hiredis": "*",
     "jade": "*",
+    "lodash": "^3.10.1",
     "method-override": "*",
     "node-uuid": "^1.4.3",
     "q": "*",

tema3/blogAuth/simpleauth.js

@@ -0,0 +1,60 @@
+var _ = require("lodash")
+
+var strategy = {
+  serializeUser: function(user) {
+  },
+  deserializeUser: function(userId, cb) {
+  },
+  checkCredentials: function(username, pass, done) {
+  },
+  loginRoute: "/login.html"
+}
+
+var cookieName = 'user';
+
+exports.setStrategy = function(customStrategy) {
+  strategy = _.extend({}, strategy, customStrategy)
+}
+
+exports.createSession = function(options) {
+	var defaultConfig = {
+		username: "username",
+		password: "password",
+		redirect: '/secret',
+		failRedirect: '/'
+	}
+	config = _.extend({}, defaultConfig, options);
+	return function(req, res, next) {
+		var username = req.body[config.username],
+        password = req.body[config.password];
+
+		strategy.checkCredentials(username, password, function(err, user) {
+			if (user && !err) {
+				res.cookie(cookieName, strategy.serializeUser(user), {signed: true, maxAge: 1000*60*60*24*7});
+				res.redirect(config.redirect);
+			} else {
+				console.log("error al checkear credenciales");
+				res.redirect(config.failRedirect);
+			}
+		});
+	}
+}
+
+exports.requiresSession = function(req, res, next) {
+	if (req.signedCookies[cookieName]) {
+		strategy.deserializeUser(req.signedCookies[cookieName], function(err, user) {
+			if(err) {
+				res.clearCookie(cookieName);
+				return res.sendStatus(500);
+			}
+			req.user = user;
+			next();
+		});
+	} else {
+		next(strategy.loginRoute);
+	}
+}
+
+exports.destroySession = function(res) {
+	res.clearCookie(cookieName);
+}