# Introduction In this challenge, we will be implementing user token authentication for a Restful API project called "rmon". The project already has basic user login and user management functionalities implemented. Your task is to complete the code to implement user authentication using Json Web Token. You will need to retrieve and parse the token value from the HTTP request header, query string, or form data, and return a 403 status code when authentication fails. To complete the challenge, you will need to ensure that the rmon project is running and listening on the `http://127.0.0.1:5000` address and install the necessary dependencies.
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