2022-02-22 13:05:41 +01:00

141 lines
5.0 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) UXBOX Labs SL
(ns app.rpc.mutations.ldap
(:require
[app.common.exceptions :as ex]
[app.common.logging :as l]
[app.common.spec :as us]
[app.config :as cfg]
[app.db :as db]
[app.loggers.audit :as audit]
[app.rpc.mutations.profile :as profile-m]
[app.rpc.queries.profile :as profile-q]
[app.util.services :as sv]
[clj-ldap.client :as ldap]
[clojure.spec.alpha :as s]
[clojure.string]))
(s/def ::fullname ::us/not-empty-string)
(s/def ::email ::us/email)
(s/def ::backend ::us/not-empty-string)
(s/def ::info-data
(s/keys :req-un [::fullname ::email ::backend]))
(defn ^java.lang.AutoCloseable connect
[]
(let [params {:ssl? (cfg/get :ldap-ssl)
:startTLS? (cfg/get :ldap-starttls)
:bind-dn (cfg/get :ldap-bind-dn)
:password (cfg/get :ldap-bind-password)
:host {:address (cfg/get :ldap-host)
:port (cfg/get :ldap-port)}}]
(try
(ldap/connect params)
(catch Exception e
(ex/raise :type :restriction
:code :ldap-disabled
:hint "ldap disabled or unable to connect"
:cause e)))))
;; --- Mutation: login-with-ldap
(declare authenticate)
(declare login-or-register)
(s/def ::email ::us/email)
(s/def ::password ::us/string)
(s/def ::invitation-token ::us/string)
(s/def ::login-with-ldap
(s/keys :req-un [::email ::password]
:opt-un [::invitation-token]))
(sv/defmethod ::login-with-ldap {:auth false}
[{:keys [pool session tokens] :as cfg} params]
(db/with-atomic [conn pool]
(let [info (authenticate params)
cfg (assoc cfg :conn conn)]
(when-not info
(ex/raise :type :validation
:code :wrong-credentials))
(when-not (s/valid? ::info-data info)
(let [explain (s/explain-str ::info-data info)]
(l/warn ::l/raw (str "invalid response from ldap, looks like ldap is not configured correctly\n" explain))
(ex/raise :type :restriction
:code :wrong-ldap-response
:reason explain)))
(let [profile (login-or-register cfg {:email (:email info)
:backend (:backend info)
:fullname (:fullname info)})]
(if-let [token (:invitation-token params)]
;; If invitation token comes in params, this is because the
;; user comes from team-invitation process; in this case,
;; regenerate token and send back to the user a new invitation
;; token (and mark current session as logged).
(let [claims (tokens :verify {:token token :iss :team-invitation})
claims (assoc claims
:member-id (:id profile)
:member-email (:email profile))
token (tokens :generate claims)]
(with-meta {:invitation-token token}
{:transform-response ((:create session) (:id profile))
::audit/props (:props profile)
::audit/profile-id (:id profile)}))
(with-meta profile
{:transform-response ((:create session) (:id profile))
::audit/props (:props profile)
::audit/profile-id (:id profile)}))))))
(defn- replace-several [s & {:as replacements}]
(reduce-kv clojure.string/replace s replacements))
(defn- get-ldap-user
[cpool {:keys [email] :as params}]
(let [query (-> (cfg/get :ldap-user-query)
(replace-several ":username" email))
attrs [(cfg/get :ldap-attrs-username)
(cfg/get :ldap-attrs-email)
(cfg/get :ldap-attrs-photo)
(cfg/get :ldap-attrs-fullname)]
base-dn (cfg/get :ldap-base-dn)
params {:filter query
:sizelimit 1
:attributes attrs}]
(first (ldap/search cpool base-dn params))))
(defn- authenticate
[{:keys [password email] :as params}]
(with-open [conn (connect)]
(when-let [{:keys [dn] :as luser} (get-ldap-user conn params)]
(when (ldap/bind? conn dn password)
{:photo (get luser (keyword (cfg/get :ldap-attrs-photo)))
:fullname (get luser (keyword (cfg/get :ldap-attrs-fullname)))
:email email
:backend "ldap"}))))
(defn- login-or-register
[{:keys [conn] :as cfg} info]
(or (some->> (:email info)
(profile-q/retrieve-profile-data-by-email conn)
(profile-q/populate-additional-data conn)
(profile-q/decode-profile-row))
(let [params (-> info
(assoc :is-active true)
(assoc :is-demo false))]
(->> params
(profile-m/create-profile conn)
(profile-m/create-profile-relations conn)
(profile-q/strip-private-attrs)))))