Homework #3

Reading → Coding → Deploy → Code-review

Reading

  1. Flask Sessions: https://flask.palletsprojects.com/en/1.1.x/quickstart/#sessions
  2. Flask cookies: https://flask.palletsprojects.com/en/1.1.x/quickstart/#cookies
  3. Flask login: https://flask-login.readthedocs.io/en/latest/

Coding

Preparations

  1. Install Python programming language v3.8.2: https://www.python.org/downloads/
  2. Install Flask framework with pip: https://docs.python.org/3/installing/index.html#basic-usage

Basic part

  1. Create web application, which can authenticate user with password:

    1.1 Listen on localhost:5000

    1.2 Render authentication form on http://localhost:5000/

    1.3 Return static images and files on http://localhost:5000/static/<image_name>

    1.4 Has secret page for authenticated users on http://localhost:5000/cabinet

  2. You are allowed to use any JS or CSS frameworks

  3. You are allowed to use only Python programming language and Flask framework

  4. You can hardcode pre-defined usernames and passwords inside your application

Optimal part

  1. Add registration function to append new users on http://localhost:5000/register/
  2. Allow users logout http://localhost:5000/logout
  3. You can keep usernames/passwords in global storage

Challenging part

(Part for those, who already knows all that stuff)

  1. Implement session storage based on files in sessions directory
  2. Files should be encoded in JSON format
  3. Session cookies should be signed with HMAC or any other digest method

Deploy

  1. Register on GitHub: https://github.com/
  2. Join our organization: https://github.com/itmo-wad/
  3. You can create new personal repository or use repository for the previous tasks (but don’t remove old files, just append new directories)
  4. Commit and push your sources to GitHub. And don’t forget to describe shortly what have you done in README.md file. Use Markdown format: https://guides.github.com/features/mastering-markdown/
  5. (optional) Deploy you sources on Heroku or somewhere else and add link to the server to README.md

Code-review

  1. Communicate in Telegram chat
  2. Help others to complete the assignment