[Flask] Is there a centralized way .. to preprocess URL requests headed to routes.py?

[flaskee]

routes.py will have possibly many decorators for different pages of a webpage.

I'm wondering if there is one central place to inspect *any* request made against a flask site;
before it gets to each decorator?

The hacking attacks now adays are many and varied --and it would be nice to
be able to log or pre-process ALL page requests; to look for SQL attacks, URL injection attacks, etc.
Even if the pages being requested are not really on your site; and they are just wildly trying things.

Just a way to see/touch EVERYTHING before it hits the decorators.

Is there a way to do this?

Thanks
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