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37 lines
981 B
Clojure
37 lines
981 B
Clojure
;; This Source Code Form is subject to the terms of the Mozilla Public
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;; License, v. 2.0. If a copy of the MPL was not distributed with this
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;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
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;;
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;; Copyright (c) KALEIDOS INC
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(ns app.util.inet
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"INET addr parsing and validation helpers"
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(:require
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[cuerdas.core :as str]
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[yetti.request :as yreq])
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(:import
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com.google.common.net.InetAddresses
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java.net.InetAddress))
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(defn valid?
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[s]
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(InetAddresses/isInetAddress s))
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(defn normalize
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[s]
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(try
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(let [addr (InetAddresses/forString s)]
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(.getHostAddress ^InetAddress addr))
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(catch Throwable _cause
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nil)))
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(defn parse-request
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[request]
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(or (some-> (yreq/get-header request "x-real-ip")
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(normalize))
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(some-> (yreq/get-header request "x-forwarded-for")
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(str/split #"\s*,\s*")
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(first)
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(normalize))
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(some-> (yreq/remote-addr request)
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(normalize))))
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