Add JWT-based authentication to a Node/Express/Mongo app.

• Create Server
• Add auth router
• Create user with POST /auth/signup
  • validate required fields
  • Check if username is unique
  • hash password with bcrypt
  • insert into db
• Create Landing Page
  • Link to Sign Up Page
• Create Sign Up Page
  • Form with: username and password
  • When form is submitted
    • Validate username
      • Display errors
    • Validate password
      • Display errors
    • POST request to server
      • Display errors
      • If succesful sign up
        • Redirect to login page
• Login user with POST /auth/login
  • validate the user
  • check if username in db
    • compare password with hashed password in db
    • Create and sign a JWT
    • Respond with JWT
• Create Login Page
  • Form with: username and password
  • When form is submitted
    • Validate username
      • Display errors
    • Validate password
      • Display errors
    • POST request to server /auth/login
      • Display errors
      • If succesful login
        • Store the token in localStorage
        • Redirect to the "dashboard"
• If a logged in user visits the signup or login page, redirect them to the dashboard
• If a non logged in user visits the dashboard, redirect to the login page
• After sign up, immediately login
• Show username on dashboard
• On homepage, show go to dashboard button instead of signup/login button
• If logged in:
  • Show logout button in header
  • Show user icon and username in header

• Visitors can only see the homepage
  • checkTokenSetUser middleware
    • get token from Authorization header
      • if defined ---
        • Verify the token with the token secret
        • Set req.user to be the decoded verified payload
      • else - move along
  • isLoggedIn middleware
    • if req.user is set - move along
    • else - send an unauthorized error message
  • redirect to login form
• Logged in users can only see their page
• Create notes form on client
  • Title
  • Description
• POST /api/v1/notes
  • Must be logged in
  • Logged in Users Can Create Notes
    • Title
    • Description -- markdown
    • Set user_id on server with logged in users id
• GET /api/v1/notes
  • Must be logged in
  • Logged in Users Can request all their notes
    • Get all notes in DB with logged in users user_id
• List all notes on client
  • Render description with Markdown

• Store date of note in DB
  • Sort notes by date created.
• View user profile
• Users can mark notes as public
  • Notes show up on profile

• Admin page that lists all users
  • admin table with user_id
  • de-activate users
• Admin can see any page on site
• Rate limiting
  • Prevent brute force logins
    • Lock out account after too many login attempts
• Password strength meter!
• reCaptcha for signup/login
• Password reset with email
• Forgot password
  • Reset with email
  • Reset by answering security questions
• Testing...

• Move the server package.json to the root of the folder
• Update start script for server to be a relative path
• post-deploy script to server that will build Vue.js
• Add a static serve to the server that serves '../client/dist'
• Environment variable for DB connection and token secret
• Update calls in client from localhost:5000 to be your-app.herokuapp.com