User authentication routes and backend functionality

config/passport/passport.js

@@ -0,0 +1,114 @@
+// load bcrypt
+var bCrypt = require("bcrypt-nodejs");
+
+module.exports = function(passport, user) {
+  let User = user;
+  let LocalStrategy = require("passport-local").Strategy;
+
+  passport.use(
+    "local-signup",
+    new LocalStrategy(
+      {
+        usernameField: "userName",
+        passwordField: "password",
+        passReqToCallback: true // allows us to pass back the entire request to the callback
+      },
+
+      function(req, userName, password, done) {
+        var generateHash = function(password) {
+          return bCrypt.hashSync(password, bCrypt.genSaltSync(8), null);
+        };
+        User.findOne({
+          where: {
+            userName: userName
+          }
+        }).then(function(user) {
+          if (user) {
+            return done(null, false, {
+              message: "That useranme is already taken"
+            });
+          } else {
+            var userPassword = generateHash(password);
+            var data = {
+              userName: userName,
+              password: userPassword
+            };
+
+            User.create(data).then(function(newUser) {
+              if (!newUser) {
+                return done(null, false);
+              }
+              if (newUser) {
+                return done(null, newUser);
+              }
+            });
+          }
+        });
+      }
+    )
+  );
+
+  passport.use(
+    "local-login",
+    new LocalStrategy(
+      {
+        // by default, local strategy uses username and password, we will override with userName
+        usernameField: "userName",
+        passwordField: "password",
+        passReqToCallback: true // allows us to pass back the entire request to the callback
+      },
+
+      function(req, userName, password, done) {
+        var User = user;
+        var isValidPassword = function(userpass, password) {
+          return bCrypt.compareSync(password, userpass);
+        };
+
+        User.findOne({
+          where: {
+            userName: userName
+          }
+        })
+          .then(function(user) {
+            if (!user) {
+              return done(null, false, {
+                message: "Username does not exist"
+              });
+            }
+
+            if (!isValidPassword(user.password, password)) {
+              return done(null, false, {
+                message: "Incorrect password."
+              });
+            }
+
+            var userinfo = user.get();
+            return done(null, userinfo);
+          })
+          .catch(function(err) {
+            console.log("Error:", err);
+
+            return done(null, false, {
+              message: "Something went wrong with your Signin"
+            });
+          });
+      }
+    )
+  );
+
+  // serialize
+  passport.serializeUser(function(user, done) {
+    done(null, user.id);
+  });
+
+  // deserialize user
+  passport.deserializeUser(function(id, done) {
+    User.findByPk(id).then(function(user) {
+      if (user) {
+        done(null, user.get());
+      } else {
+        done(user.errors, null);
+      }
+    });
+  });
+};

models/user.js

@@ -3,7 +3,7 @@ module.exports = function(sequelize, DataTypes) {
     userName: {
       type: DataTypes.STRING,
       allowNull: false,
-      validate: { len: [4, 16] }
+      validate: { len: [3, 16] }
     },
     email: {
       type: DataTypes.STRING,
@@ -12,8 +12,8 @@ module.exports = function(sequelize, DataTypes) {
     },
     password: {
       type: DataTypes.STRING,
-      allowNull: false,
-      validate: { len: [4, 16] }
+      allowNull: false
+      // validate: { len: [4, 16] }
     }
   });
 

package.json

@@ -15,12 +15,16 @@
   },
   "license": "ISC",
   "dependencies": {
+    "bcrypt-nodejs": "0.0.3",
     "cron": "^1.7.1",
     "dotenv": "^8.0.0",
     "express": "^4.17.1",
     "express-handlebars": "^3.1.0",
+    "express-session": "^1.16.2",
     "mysql": "^2.17.1",
     "mysql2": "^1.6.5",
+    "passport": "^0.4.0",
+    "passport-local": "^1.0.0",
     "public-ip": "^3.1.0",
     "request": "^2.88.0",
     "request-json": "^0.6.4",

routes/authRoutes.js

@@ -0,0 +1,33 @@
+module.exports = function(app, passport) {
+  app.post(
+    "/signup",
+    passport.authenticate("local-signup", {
+      failureRedirect: "/signup"
+    }),
+    (request, response) => {
+      let redirect = `/users/${request.user.userName}`;
+      response.redirect(redirect);
+    }
+  );
+
+  app.post(
+    "/login",
+    passport.authenticate("local-login", {
+      failureRedirect: "/login"
+    }),
+    (request, response) => {
+      let redirect = `/users/${request.user.userName}`;
+      response.redirect(redirect);
+    }
+  );
+
+  app.get("/logout", function(request, response) {
+    request.session.destroy(error => {
+      if (error) {
+        throw error;
+      }
+      let redirect = "/";
+      response.redirect(redirect);
+    });
+  });
+};

scripts/seedData.js

@@ -1,4 +1,5 @@
 var csv = require("csvtojson");
+const bCrypt = require("bcrypt-nodejs");
 
 var db = require("../models");
 
@@ -15,9 +16,9 @@ db.sequelize
     }).then(function(dbPlant) {
       console.log("Creating fake user.");
       db.User.create({
-        userName: "user",
+        userName: "jan",
         email: "[email protected]",
-        password: "password"
+        password: bCrypt.hashSync("password", bCrypt.genSaltSync(8), null)
       }).then(function(dbUser) {
         console.log("Creating fake device.");
         db.Device.create({

server.js

@@ -1,5 +1,7 @@
 var express = require("express");
 var exphbs = require("express-handlebars");
+const passport = require("passport");
+const session = require("express-session");
 
 var db = require("./models");
 
@@ -11,6 +13,18 @@ app.use(express.urlencoded({ extended: false }));
 app.use(express.json());
 app.use(express.static("public"));
 app.use(express.static("device"));
+
+// For Passport
+app.use(
+  session({
+    secret: process.env.PASSPORT_SECRET,
+    resave: true,
+    saveUninitialized: true
+  })
+); // session secret
+app.use(passport.initialize());
+app.use(passport.session()); // persistent login sessions
+
 // Handlebars
 app.engine(
   "handlebars",
@@ -25,6 +39,11 @@ app.set("view engine", "handlebars");
 require("./routes/apiRoutes")(app);
 require("./routes/htmlRoutes")(app);
 require("./device-routes/apiRoutes")(app);
+require("./routes/authRoutes")(app, passport);
+
+// Load passport strategies
+require("./config/passport/passport")(passport, db.User);
+
 var syncOptions = { force: false };
 
 // If running a test, set syncOptions.force to true