cl-scopes/lib/auth/auth.lisp

56 lines
1.6 KiB
Common Lisp

;;;; cl-scopes/lib/auth - authentication services
(defpackage :scopes-auth
(:use :common-lisp)
(:local-nicknames (:config :scopes/config)
(:core :scopes/core)
(:shape :scopes/shape)
(:util :scopes/util))
(:export #:config #:setup
#:simple-credentials
#:login))
(in-package :scopes-auth)
(defclass config (config:base)
((admin-credentials :reader admin-credentials :initarg :admin-credentials)))
(defclass context (core:context)
((authenticator :reader authenticator :initarg :authenticator)))
(defun setup (cfg)
(let* ((auth (make-instance 'simple-authenticator))
(ctx (core:default-setup cfg 'context :authenticator auth))
(cred (admin-credentials cfg)))
(setf (gethash :admin (principals auth)) cred)
ctx))
;;;; simple / basic auth service implementation
(defclass simple-authenticator ()
((principals :reader principals :initform (make-hash-table))))
(defclass simple-credentials ()
((login-name)
(password)))
(defclass principal (shape:record)
((shape:head-fields :initform '(:organization :short-name))
(shape:data-fields :initform '(:credentials :full-name :email :role))))
(defun authenticate (cred)
(make-instance 'principal))
;;;; login entry point
(defun login (cred)
(let* ((srv (core:find-service :auth))
(auth (authenticator srv))
(admin (gethash :admin (principals auth))))
(util:lgi cred admin)))
;;;; auxiliary functions
(defun digest (pw)
(ironclad:digest-sequence
:sha3/256 (flexi-streams:string-to-octets pw :external-format :utf8)))