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kerberos

A Clojure library for Kerberos authentication. Also includes a Ring middleware function and a Pedestal interceptor for SPNEGO authentication.

Usage

An example with Ring and Compojure:

(ns kerberos-spnego.core.handler
  (:require [clojure.pprint :refer [pprint]]
            [compojure.core :refer :all]
            [compojure.route :as route]
            [ring.middleware.defaults :refer [wrap-defaults site-defaults]]
            [sarnowski.kerberos :as kerberos]
            [sarnowski.kerberos.spnego :as spnego]))

(def service-subject (kerberos/create-service-subject
                       "HTTP/[email protected]"
                       (kerberos/create-config
                         {:useKeyTab true
                          :keyTab "resources/local.keytab"
                          :principal "HTTP/[email protected]"
                          :storeKey true
                          :doNotPrompt true
                          :debug true
                          :isInitiator false})))

(defroutes app-routes
  (GET "/" r (with-out-str (pprint r)))
  (route/not-found "Not Found"))

(def app
  (-> app-routes
      (wrap-defaults site-defaults)
      (spnego/authenticate service-subject)))

Run Tests

To run tests, you need to provide a keytab and credentials for your test KDC.

$ JVM_OPTS="-Dkerberos.principal=HTTP/[email protected]
            -Dkerberos.keytab=../local.keytab
            [email protected]
            -Dkerberos.password=test123" \
        lein test

License

Copyright (c) 2015, Tobias Sarnowski

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.