penpot/backend/src/app/auth/passwords.clj
2026-08-25 11:55:10 +02:00

54 lines
2.3 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 SUBSIDIARY SL
(ns app.auth.passwords
"Password strength validation using Passay library."
(:require
[app.common.exceptions :as ex])
(:import
[org.passay CharacterCharacteristicsRule CharacterRule EnglishCharacterData PasswordData]))
(defonce ^:private passay-code->translation-key
{"INSUFFICIENT_LOWERCASE" "errors.weak-password.insufficient-lowercase"
"INSUFFICIENT_UPPERCASE" "errors.weak-password.insufficient-uppercase"
"INSUFFICIENT_DIGIT" "errors.weak-password.insufficient-digits"
"INSUFFICIENT_SPECIAL" "errors.weak-password.insufficient-special"})
(defonce ^:private character-characteristics-rule
(doto (CharacterCharacteristicsRule.)
(.setRules [(CharacterRule. EnglishCharacterData/LowerCase 1)
(CharacterRule. EnglishCharacterData/UpperCase 1)
(CharacterRule. EnglishCharacterData/Digit 1)
(CharacterRule. EnglishCharacterData/Special 1)])
(.setNumberOfCharacteristics 4)))
(defn validate-password
"Validates password strength.
Returns nil if valid, or raises exception if invalid.
Checks:
- Minimum length of 8 characters
- At least 1 lowercase letter
- At least 1 uppercase letter
- At least 1 digit
- At least 1 special character"
[password]
(when (< (count password) 8)
(ex/raise :type :validation
:code :weak-password
:hint "password must be at least 8 characters"
:details ["errors.weak-password.too-short"]))
(let [password-data (PasswordData. password)
char-result (.validate character-characteristics-rule password-data)]
(when-not (.isValid char-result)
(ex/raise :type :validation
:code :weak-password
:hint "password must contain at least 1 lowercase letter, 1 uppercase letter, 1 digit, and 1 special character"
:details (->> (.getDetails char-result)
(mapv #(.getErrorCode %))
(mapv passay-code->translation-key)
(filterv some?))))))