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https://github.com/sinatra/sinatra
synced 2023-03-27 23:18:01 -04:00
22 lines
604 B
Ruby
22 lines
604 B
Ruby
require 'rack/protection'
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module Rack
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module Protection
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##
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# Prevented attack:: CSRF
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# Supported browsers:: all
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# More infos:: http://en.wikipedia.org/wiki/Cross-site_request_forgery
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#
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# Only accepts unsafe HTTP requests if a given access token matches the token
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# included in the session *or* the request comes from the same origin.
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#
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# Compatible with Rails and rack-csrf.
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class RemoteToken < AuthenticityToken
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default_reaction :deny
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def accepts?(env)
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super or referrer(env) == Request.new(env).host
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end
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end
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end
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end
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