penpot/backend/src/app/email/whitelist.clj

60 lines
1.8 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) KALEIDOS INC
(ns app.email.whitelist
"Email whitelist provider"
(:refer-clojure :exclude [contains?])
(:require
[app.common.logging :as l]
[app.config :as cf]
[app.email :as-alias email]
[clojure.core :as c]
[clojure.java.io :as io]
[cuerdas.core :as str]
[datoteka.fs :as fs]
[integrant.core :as ig]))
(defn- read-whitelist
[path]
(when (and path (fs/exists? path))
(try
(with-open [reader (io/reader path)]
(reduce (fn [result line]
(if (str/starts-with? line "#")
result
(conj result (-> line str/trim str/lower))))
#{}
(line-seq reader)))
(catch Throwable cause
(l/wrn :hint "unexpected exception on reading email whitelist"
:cause cause)))))
(defmethod ig/init-key ::email/whitelist
[_ _]
(let [whitelist (or (cf/get :registration-domain-whitelist) #{})
whitelist (if (c/contains? cf/flags :email-whitelist)
(into whitelist (read-whitelist (cf/get :email-domain-whitelist)))
whitelist)
whitelist (not-empty whitelist)]
(when whitelist
(l/inf :hint "initializing email whitelist" :domains (count whitelist)))
whitelist))
(defn contains?
"Check if email is in the whitelist."
[{:keys [::email/whitelist]} email]
(let [[_ domain] (str/split email "@" 2)]
(c/contains? whitelist (str/lower domain))))
(defn enabled?
"Check if the whitelist is enabled"
[{:keys [::email/whitelist]}]
(some? whitelist))