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[Clojure] Ring middleware for `X-Forwarded-For` [:remote-addr rewrite]
(ns ring.middleware.x-forwarded-for
(:use [clojure.string :only (split)]))
(defn wrap-x-forwarded-for [handler]
(fn [request]
(if-let [xff (get-in request [:headers "x-forwarded-for"])]
(handler (assoc request :remote-addr (last (split xff #"\s*,\s*"))))
(handler request))))
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