prettierrc

.prettierrc

@@ -0,0 +1,6 @@
+{
+  "tabWidth": 2,
+  "semi": false,
+  "arrowParens": "avoid",
+  "singleQuote": true
+}

back-end/app.js

@@ -1,26 +1,26 @@
 // import and instantiate express
-const express = require("express") // CommonJS import style!
+const express = require('express') // CommonJS import style!
 const app = express() // instantiate an Express object
-const cors = require("cors") // middleware for enabling CORS (Cross-Origin Resource Sharing) requests.
-const morgan = require("morgan") // middleware for nice logging of incoming HTTP requests
-const path = require("path")
-const cookieParser = require("cookie-parser") // middleware useful for parsing cookies in requests
-require("dotenv").config({ silent: true }) // load environmental variables from a hidden file named .env
+const cors = require('cors') // middleware for enabling CORS (Cross-Origin Resource Sharing) requests.
+const morgan = require('morgan') // middleware for nice logging of incoming HTTP requests
+const path = require('path')
+const cookieParser = require('cookie-parser') // middleware useful for parsing cookies in requests
+require('dotenv').config({ silent: true }) // load environmental variables from a hidden file named .env
 
 // the following are used for authentication with JSON Web Tokens
-const jwt = require("jsonwebtoken")
-const passport = require("passport")
+const jwt = require('jsonwebtoken')
+const passport = require('passport')
 
 // use this JWT strategy within passport for authentication handling
-const jwtStrategy = require("./config/jwt-config.js") // import setup options for using JWT in passport
+const jwtStrategy = require('./config/jwt-config.js') // import setup options for using JWT in passport
 passport.use(jwtStrategy)
 
 // tell express to use passport middleware
 app.use(passport.initialize())
 
 // mongoose models for MongoDB data manipulation
-const mongoose = require("mongoose")
-const User = require("./models/User.js")
+const mongoose = require('mongoose')
+const User = require('./models/User.js')
 
 // connect to the database
 // console.log(`Conneting to MongoDB at ${process.env.MONGODB_URI}`)
@@ -34,7 +34,7 @@ try {
 }
 
 // set up some useful middleware
-app.use(morgan("dev", { skip: (req, res) => process.env.NODE_ENV === "test" })) // log all incoming requests, except when in unit test mode.  morgan has a few logging default styles - dev is a nice concise color-coded style
+app.use(morgan('dev', { skip: (req, res) => process.env.NODE_ENV === 'test' })) // log all incoming requests, except when in unit test mode.  morgan has a few logging default styles - dev is a nice concise color-coded style
 
 // use express's builtin body-parser middleware to parse any data included in a request
 app.use(express.json()) // decode JSON-formatted incoming POST data
@@ -45,14 +45,14 @@ app.use(cookieParser()) // useful middleware for dealing with cookies
 app.use(cors({ origin: process.env.FRONT_END_DOMAIN, credentials: true })) // allow incoming requests only from a "trusted" host
 
 // to keep this file neat, we put the logic for the various routes into specialized routing files
-const authenticationRoutes = require("./routes/authentication-routes.js")
-const cookieRoutes = require("./routes/cookie-routes.js")
-const protectedContentRoutes = require("./routes/protected-content-routes.js")
+const authenticationRoutes = require('./routes/authentication-routes.js')
+const cookieRoutes = require('./routes/cookie-routes.js')
+const protectedContentRoutes = require('./routes/protected-content-routes.js')
 
 // use the specialized routing files
-app.use("/auth", authenticationRoutes()) // all requests for /auth/* will be handled by the authenticationRoutes router
-app.use("/cookie", cookieRoutes()) // all requests for /cookie/* will be handled by the cookieRoutes router
-app.use("/protected", protectedContentRoutes()) // all requests for /protected/* will be handled by the protectedRoutes router
+app.use('/auth', authenticationRoutes()) // all requests for /auth/* will be handled by the authenticationRoutes router
+app.use('/cookie', cookieRoutes()) // all requests for /cookie/* will be handled by the cookieRoutes router
+app.use('/protected', protectedContentRoutes()) // all requests for /protected/* will be handled by the protectedRoutes router
 
 // export the express app we created to make it available to other modules
 module.exports = app // CommonJS export style!

back-end/config/jwt-config.js

@@ -1,27 +1,27 @@
-const mongoose = require("mongoose")
+const mongoose = require('mongoose')
 const ObjectId = mongoose.Types.ObjectId
-const User = require("../models/User.js")
+const User = require('../models/User.js')
 
-const passportJWT = require("passport-jwt")
+const passportJWT = require('passport-jwt')
 const ExtractJwt = passportJWT.ExtractJwt
 const JwtStrategy = passportJWT.Strategy
 
 // set up some JWT authentication options for passport
 let jwtOptions = {
-  jwtFromRequest: ExtractJwt.fromAuthHeaderWithScheme("jwt"), // look for the Authorization request header
+  jwtFromRequest: ExtractJwt.fromAuthHeaderWithScheme('jwt'), // look for the Authorization request header
   secretOrKey: process.env.JWT_SECRET, // an arbitrary string used during encryption - see the .env file
 }
 // console.log(jwtOptions) // debug to make sure the secret from the .env file is loaded correctly
 
 // define the method that is used by passport to verify the contents (i.e. the payload) of the JWT token
 const jwtVerifyToken = async function (jwt_payload, next) {
-  console.log("JWT payload received", jwt_payload) // debugging
+  console.log('JWT payload received', jwt_payload) // debugging
 
   // check if the token has expired
   const expirationDate = new Date(jwt_payload.exp * 1000) // convert from seconds to milliseconds
   if (expirationDate < new Date()) {
     // the token has expired
-    return next(null, false, { message: "JWT token has expired." })
+    return next(null, false, { message: 'JWT token has expired.' })
   }
 
   // try to find a matching user in our database
@@ -34,7 +34,7 @@ const jwtVerifyToken = async function (jwt_payload, next) {
     next(null, user)
   } else {
     // we didn't find the user... fail!
-    next(null, false, { message: "User not found" })
+    next(null, false, { message: 'User not found' })
   }
 }
 

back-end/models/User.js

@@ -1,9 +1,9 @@
 // a mongoose model of a user
-const mongoose = require("mongoose")
+const mongoose = require('mongoose')
 const Schema = mongoose.Schema
-const bcrypt = require("bcryptjs")
-const jwt = require("jsonwebtoken")
-const jwtStrategy = require("../config/jwt-config.js") // import setup options for using JWT in passport
+const bcrypt = require('bcryptjs')
+const jwt = require('jsonwebtoken')
+const jwtStrategy = require('../config/jwt-config.js') // import setup options for using JWT in passport
 
 // this is our mongoose model for a user
 const UserSchema = new Schema({
@@ -20,10 +20,10 @@ const UserSchema = new Schema({
 
 // hash the password before the user is saved
 // mongoose provides hooks that allow us to run code before or after specific events
-UserSchema.pre("save", function (next) {
+UserSchema.pre('save', function (next) {
   const user = this
   // if the password has not changed, no need to hash it
-  if (!user.isModified("password")) return next()
+  if (!user.isModified('password')) return next()
   // otherwise, the password is being modified, so hash it
   bcrypt.hash(user.password, 10, (err, hash) => {
     if (err) return next(err)
@@ -64,7 +64,7 @@ UserSchema.methods.toAuthJSON = function () {
 }
 
 // create a model from this schema
-const User = mongoose.model("User", UserSchema)
+const User = mongoose.model('User', UserSchema)
 
 // export the model
 module.exports = User

back-end/routes/authentication-routes.js

@@ -1,126 +1,126 @@
-const express = require("express"); // CommonJS import style!
+const express = require('express') // CommonJS import style!
 
 // mongoose models for MongoDB data manipulation
-const mongoose = require("mongoose");
-const User = require("../models/User.js");
+const mongoose = require('mongoose')
+const User = require('../models/User.js')
 
 // a method that constains code to handle authentication-specific routes
 const authenticationRouter = () => {
   // create a new router that we can customize
-  const router = express.Router();
+  const router = express.Router()
 
   // a route to handle user signup requests to /auth/signup
-  router.post("/signup", async (req, res, next) => {
+  router.post('/signup', async (req, res, next) => {
     // console.log(`Incoming signup data: ${JSON.stringify(req.body, null, 0)}`)
     // grab the username and password from the POST body
-    const username = req.body.username;
-    const password = req.body.password;
+    const username = req.body.username
+    const password = req.body.password
 
     if (!username || !password) {
       // no username or password received in the POST body... send an error
       res.status(401).json({
         success: false,
         message: `No username or password supplied.`,
-      });
-      next();
+      })
+      next()
     }
 
     // try to create a new user
     try {
-      const user = await new User({ username, password }).save();
+      const user = await new User({ username, password }).save()
       // user saved successfully... send a success response
-      console.error(`New user: ${user}`);
-      const token = user.generateJWT(); // generate a signed token
+      console.error(`New user: ${user}`)
+      const token = user.generateJWT() // generate a signed token
       res.json({
         success: true,
-        message: "User saved successfully.",
+        message: 'User saved successfully.',
         token: token,
         username: user.username,
-      }); // send the token to the client to store
-      next();
+      }) // send the token to the client to store
+      next()
     } catch (err) {
       // error saving user to database... send an error response
-      console.error(`Failed to save user: ${err}`);
+      console.error(`Failed to save user: ${err}`)
       res.status(500).json({
         success: false,
-        message: "Error saving user to database.",
+        message: 'Error saving user to database.',
         error: err,
-      });
-      next();
+      })
+      next()
     }
-  });
+  })
 
   // a route to handle login attempts requested to /auth/login
-  router.post("/login", async function (req, res, next) {
+  router.post('/login', async function (req, res, next) {
     // grab the name and password that were submitted as POST body data
-    const username = req.body.username;
-    const password = req.body.password;
+    const username = req.body.username
+    const password = req.body.password
     // console.log(`${username}, ${password}`)
 
     if (!username || !password) {
       // no username or password received in the POST body... send an error
       res
         .status(401)
-        .json({ success: false, message: `No username or password supplied.` });
-      next();
+        .json({ success: false, message: `No username or password supplied.` })
+      next()
     }
 
     // find this user in the database
     try {
-      const user = await User.findOne({ username: username }).exec();
+      const user = await User.findOne({ username: username }).exec()
       // check if user was found
       if (!user) {
-        console.error(`User not found.`);
+        console.error(`User not found.`)
         res.status(401).json({
           success: false,
-          message: "User not found in database.",
-        });
-        next();
+          message: 'User not found in database.',
+        })
+        next()
       }
       // if user exists, check if password is correct
       else if (!user.validPassword(password)) {
-        console.error(`Incorrect password.`);
+        console.error(`Incorrect password.`)
         res.status(401).json({
           success: false,
-          message: "Incorrect password.",
-        });
-        next();
+          message: 'Incorrect password.',
+        })
+        next()
       }
       // user found and password is correct... send a success response
-      console.log("User logged in successfully.");
-      const token = user.generateJWT(); // generate a signed token
+      console.log('User logged in successfully.')
+      const token = user.generateJWT() // generate a signed token
       res.json({
         success: true,
-        message: "User logged in successfully.",
+        message: 'User logged in successfully.',
         token: token,
         username: user.username,
-      }); // send the token to the client to store
-      next();
+      }) // send the token to the client to store
+      next()
     } catch (err) {
       // check error
-      console.error(`Error looking up user: ${err}`);
+      console.error(`Error looking up user: ${err}`)
       res.status(500).json({
         success: false,
-        message: "Error looking up user in database.",
+        message: 'Error looking up user in database.',
         error: err,
-      });
-      next();
+      })
+      next()
     }
-  });
+  })
 
   // a route to handle logging out requests to /auth/logout
-  router.get("/logout", function (req, res, next) {
+  router.get('/logout', function (req, res, next) {
     // nothing really to do here... logging out with JWT authentication is handled entirely by the front-end by deleting the token from the browser's memory
     res.json({
       success: true,
       message:
         "There is actually nothing to do on the server side... you simply need to delete your token from the browser's local storage!",
-    });
-    next();
-  });
+    })
+    next()
+  })
 
-  return router;
-};
+  return router
+}
 
 // export the router
-module.exports = authenticationRouter;
+module.exports = authenticationRouter

back-end/routes/cookie-routes.js

@@ -1,30 +1,30 @@
-const express = require("express") // CommonJS import style!
+const express = require('express') // CommonJS import style!
 
 // a method that constains code to handle cookie-related routes
 const cookieRouter = () => {
   // create a new router that we can customize
   const router = express.Router()
 
   // a route that sends a response including the Set-Cookie header.
-  router.get("/set", (req, res) => {
+  router.get('/set', (req, res) => {
     res
-      .cookie("foo", "bar") // send a cookie in the response with the key 'foo' and value 'bar'
+      .cookie('foo', 'bar') // send a cookie in the response with the key 'foo' and value 'bar'
       .send({
         success: true,
-        message: "Sent a cookie to the browser... hopefully it saved it.",
+        message: 'Sent a cookie to the browser... hopefully it saved it.',
       })
   })
 
   // a route that looks for a Cookie header in the request and sends back whatever data was found in it.
-  router.get("/get", (req, res) => {
+  router.get('/get', (req, res) => {
     const numCookies = Object.keys(req.cookies).length // how many cookies were passed to the server
 
     console.log(`Incoming cookie data: ${JSON.stringify(req.cookies, null, 0)}`)
     res.send({
       success: numCookies ? true : false,
       message: numCookies
-        ? "thanks for sending cookies to the server :)"
-        : "no cookies sent to server :(",
+        ? 'thanks for sending cookies to the server :)'
+        : 'no cookies sent to server :(',
       cookieData: req.cookies,
     })
   })