This app has the following major functionalities -

• Generation of JWT Tokens
• Validation of User using using that JWT Token
• Updation of User password via PATCH Requests

• Generation of New Token to Log In based on user Identity (Request body should contain an arbitrary username)
• Returns a signed Json Web Token, which can be used to validate future requests.

• The JWT obtained in the “Login” endpoint must be present in request. If the JWT is missing or invalid, user will not be able to sign in.
• Returns a Response message mentioning if the request is invalid or successfull for loggin in.

• Using the username existing password can be changed. Existing “uname“ must be present in the request.
• Returns a Response message mentioning if the request is invalid or successfull for changing user password

• Test suite used is Mocha (https://mochajs.org/) and Instanbul (https://www.npmjs.com/package/istanbul).
• APIs are able to reject invalid request inputs.
• JSLinting is done using eslint (https://www.npmjs.com/package/eslint). Use eslint to check for errors

• Install eslint, nodemon, and forever globally
• Satisfy all dependencies with npm install

• Start the server with npm start
• Run the test suite with npm test

• Added MySQL Compatibility. Credentials are now stored and retrieved from MYSQL Database
• Appropriate statusCodes and responses attached to responses for all APIs

• tokenGenerator - To Generate a New Token for new User based on username and password
• tokenValidator - To Validate if a user is a returning user, dependent on the token provided
• userUpdater - To update existing user's password based on his / her username