In this Hasty Treat, Scott and Wes talk about front end security and what to do in order to avoid hacking.
Sentry - Sponsor If you want to know what’s happening with your errors, track them with Sentry. Sentry is open-source error tracking that helps developers monitor and fix crashes in real time. Cut your time on error resolution from five hours to five minutes. It works with any language and integrates with dozens of other services. Syntax listeners can get two months for free by visiting Sentry and using the coupon code “tastytreat”.
Show Notes 2:53 - SSL
Encrypted transfer of information
Digitally binds a cryptographic key to an organization’s details
Web-cam, geolocation, etc.
6:15 - innerHTML
React’s dangerouslySetInnerHTML Name intentionally chosen to be frightening
Allows you to write HTML to the DOM
Data should be sanitized before used in prop Removes unexpected data from string
Used to prevent cross site scripting attacks
10:25 - Don’t trust the client
The client can be manipulated to send any info to your server
E-commerce example — don’t take the price total from the front end to make the charge, DB call and calculate on the server
Validate form inputs via HTML 5 field validation/check data types on the server Don’t allow your users to send an object when it should just be a string
Get this for free with GraphQL via types
13:41 - PCI Compliance
Protect card holder data SSL or Secure iFrame
Encrypt transmission of card data
Restrict access to card holder data
Restrict physical access Front of front-end
16:44 - Tips
Don’t put a name on sensitive fields if you are using JS
HTTP only cookies
Local Storage tokens
XSS
Links React
GraphQL
Express
Tweet us your tasty treats! Scott’s Instagram
LevelUpTutorials Instagram
Wes’ Instagram
Wes’ Twitter
Wes’ Facebook
Scott’s Twitter
Make sure to include @SyntaxFM in your tweets