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Double-submit CSRF protection for Flask applications.

Project description

# DSCsrf

Very simple and (almost) plug-and-play global CSRF filtering for Flask using the Double Submit technique outlined on OWASP at https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF)_Prevention_Cheat_Sheet#Double_Submit_Cookies.

How to use:

from dscsrf import Csrf from flask import Flask

app = Flask(__name__)

csrf = Csrf(app)

and that’s it!

For rendering the CSRF token in your application, under your form HTML use:

{{ csrf_token() }}

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1.0

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