August 2024
Intermediate to advanced
186 pages
4h 3m
English
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Escape User-Supplied Content
It’s common for htmx endpoints to insert user-supplied text into the HTML to be returned. Endpoints should escape all user-supplied text before inserting it. This involves replacing the following characters with their character entity equivalents:
- & to &
- < to <
- > to >
- " to "
- ’ to '
- / to /
- ‘ (backtick) to `
- = to =
Replacing angle brackets prevents <script> tags in user-supplied content from being executed by the browser.
Many HTML templating approaches perform escaping automatically. In the Hono TypeScript library, strings processed by the html tagged template literal are escaped. In the Python Flask framework, strings are escaped when they are passed to a Jinja template.
As a best practice, ...
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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.