September 2016
Intermediate to advanced
1091 pages
21h 41m
English
Content preview from PHP 7: Real World Application DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Securing forms with a token
This recipe presents another very simple technique that will safeguard your forms against Cross Site Request Forgery (CSRF) attacks. Simply put, a CSRF attack is possible when, possibly using other techniques, an attacker is able to infect a web page on your website. In most cases, the infected page will then start issuing requests (that is, using JavaScript to purchase items, or make settings changes) using the credentials of a valid, logged-in user. It's extremely difficult for your application to detect such activity. One measure that can easily be taken is to generate a random token that is included in every form to be submitted. Since the infected page will not have access to the token, nor have the ability to ...
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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.