October 2017
Intermediate to advanced
566 pages
14h 31m
English
Content preview from Drupal 8 Module Development
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Cross-Site Request Forgery (CSRF)
CSRF attacks are another popular way applications can be overtaken, by forcing a user with elevated privileges to execute unwanted actions on their own site. Usually, this happens when certain URLs on the application trigger a process simply by being accessed through the browser (and being authenticated)--for example, deleting a resource.
The most important thing to consider in this respect is to never have such actions happening simply by accessing a URL. To help with this, we have the powerful Form API, which already had token-based CSRF protection embedded from previous versions of Drupal. So basically you can create forms whose submit handlers perform the potentially damaging actions (as we learned in ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.