From 85a08fe6719352b07ba21a7834cfb7c89b291238 Mon Sep 17 00:00:00 2001 From: ajn123 Date: Fri, 26 Jul 2019 00:54:38 -0500 Subject: [ci skip] add CSRF token explanation for javascript documentation --- guides/source/working_with_javascript_in_rails.md | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'guides') diff --git a/guides/source/working_with_javascript_in_rails.md b/guides/source/working_with_javascript_in_rails.md index 8cf8efefd0..b740e933ba 100644 --- a/guides/source/working_with_javascript_in_rails.md +++ b/guides/source/working_with_javascript_in_rails.md @@ -14,6 +14,7 @@ After reading this guide, you will know: * How Rails' built-in helpers assist you. * How to handle Ajax on the server side. * The Turbolinks gem. +* How to include your Cross-Site Request Forgery token in request headers ------------------------------------------------------------------------------- @@ -524,6 +525,23 @@ For more details, including other events you can bind to, check out [the Turbolinks README](https://github.com/turbolinks/turbolinks/blob/master/README.md). +Cross-Site Request Forgery (CSRF) token in Ajax +---- + +When using another library to make Ajax calls, it is necessary to add +the security token as a default header for Ajax calls in your library. To get +the token: + +```javascript +var token = document.getElementsByName('csrf-token')[0].content +``` + +You can then submit this token as a X-CSRF-Token in your header for your +Ajax requst. You do not need to add a CSRF for GET requests, only non-GET +requests. + +You can read more about about Cross-Site Request Forgery in [Security](https://guides.rubyonrails.org/security.html#cross-site-request-forgery-csrf) + Other Resources --------------- -- cgit v1.2.3