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;;; sx-auth.el --- user authentication -*- lexical-binding: t; -*-
;; Copyright (C) 2014 Sean Allred
;; Author: Sean Allred <code@seanallred.com>
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'sx)
(require 'sx-request)
(require 'sx-cache)
(defconst sx-auth-root
"https://stackexchange.com/oauth/dialog")
(defconst sx-auth-redirect-uri
"http://vermiculus.github.io/stack-mode/auth/auth.htm")
(defconst sx-auth-client-id
"3291")
(defvar sx-auth-access-token
nil
"Your access token.
This is needed to use your account to write questions, make
comments, and read your inbox. Do not alter this unless you know
what you are doing!")
(defun sx-auth-authenticate ()
"Authenticate this application.
Authentication is required to read your personal data (such as
notifications) and to write with the API (asking and answering
questions).
When this function is called, `browse-url' is used to send the
user to an authorization page managed by StackExchange. The
following privileges are requested:
* read_inbox
use SX to manage and visit items in your inbox
* write_acesss
write comments, ask questions, and post answers on your
behalf
* no_expiry
do not pester you to reauthorize again
After authorization with StackExchange, the user is then
redirected to a website managed by SX. The access token required
to use authenticated methods is included in the hash (which is
parsed and displayed prominently on the page)."
(interactive)
(setq
sx-auth-access-token
(let ((url (concat
sx-auth-root
"?"
(sx-request--build-keyword-arguments
`((client_id . ,sx-auth-client-id)
(scope . (read_inbox
no_expiry
write_access))
(redirect_uri . ,(url-hexify-string
sx-auth-redirect-uri)))
","))))
(browse-url url)
(read-string "Enter the access token displayed on the webpage: ")))
(if (string-equal "" sx-auth-access-token)
(progn (setq sx-auth-access-token nil)
(error "You must enter this code to use this client fully"))
(sx-cache-set 'auth `((access_token . ,sx-auth-access-token)))))
(provide 'sx-auth)
;;; sx-auth.el ends here
;; Local Variables:
;; indent-tabs-mode: nil
;; End:
|
