Created
November 30, 2013 22:06
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Prevent cross-origin js requests
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class ApplicationController < ActionController::Base | |
before_filter :ensure_xhr | |
private | |
def ensure_xhr | |
if request.get? && request.format && (request.format.js? || request.format.json?) | |
head :forbidden unless request.xhr? | |
end | |
end | |
end |
@homakov If the incoming request doesn't have .js in the path or a javascript Accept header, request.format.js?
will be false. If you've made the decision to still return js in that scenario then the above solution will not protect you.
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@javan what about actions working like this
They don't have specified params[:format]. I've seen it in the wild