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Mastering Flask Web Development

You're reading from   Mastering Flask Web Development Build enterprise-grade, scalable Python web applications

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Product type Paperback
Published in Oct 2018
Publisher Packt
ISBN-13 9781788995405
Length 332 pages
Edition 2nd Edition
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Authors (2):
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Jack Stouffer Jack Stouffer
Author Profile Icon Jack Stouffer
Jack Stouffer
Daniel Gaspar Daniel Gaspar
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Daniel Gaspar
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Table of Contents (15) Chapters Close

Preface 1. Getting Started 2. Creating Models with SQLAlchemy FREE CHAPTER 3. Creating Views with Templates 4. Creating Controllers with Blueprints 5. Advanced Application Structure 6. Securing Your App 7. Using NoSQL with Flask 8. Building RESTful APIs 9. Creating Asynchronous Tasks with Celery 10. Useful Flask Extensions 11. Building Your Own Extension 12. Testing Flask Apps 13. Deploying Flask Apps 14. Other Books You May Enjoy

JWT authentication

To solve our authentication problems, Flask-Login could be used and the cookie data from the login could be checked. However, this would require developers who wish to use our API to have their program login through the web interface. We could also have developers send their login data with every request, but it's a good design practice to only send sensitive information when absolutely necessary. Instead, our API will provide an auth/api endpoint that allows them to send login credentials and get an access token back.

For the authentication mechanism, we are going to use JSON Web Token (JWT) to create access tokens for the consumers of our API upon login. A JWT token asserts which user is logged in, thereby saving the server another call to the database for authentication. This token has an expiration date encoded inside it that will not allow the token...

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