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;; jabber-logon.el - logon functions
;; Copyright (C) 2003, 2004, 2007, 2008 - Magnus Henoch - mange@freemail.hu
;; Copyright (C) 2002, 2003, 2004 - tom berger - object@intelectronica.net
;; This file is a part of jabber.el.
;; 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 2 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, write to the Free Software
;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(require 'jabber-xml)
(require 'jabber-util)
;; In Emacs 24, sha1 is built in, so this require is only needed for
;; earlier versions. It's supposed to be a noop in Emacs 24, but
;; sometimes, for some people, it isn't, and fails with
;; (file-error "Cannot open load file" "sha1").
(unless (fboundp 'sha1)
(require 'sha1))
(defun jabber-get-auth (jc to session-id)
"Send IQ get request in namespace \"jabber:iq:auth\"."
(jabber-send-iq jc to
"get"
`(query ((xmlns . "jabber:iq:auth"))
(username () ,(plist-get (fsm-get-state-data jc) :username)))
#'jabber-do-logon session-id
#'jabber-report-success "Impossible error - auth field request"))
(defun jabber-do-logon (jc xml-data session-id)
"send username and password in logon attempt"
(let* ((digest-allowed (jabber-xml-get-children (jabber-iq-query xml-data) 'digest))
(passwd (when
(or digest-allowed
(plist-get (fsm-get-state-data jc) :encrypted)
(yes-or-no-p "Jabber server only allows cleartext password transmission! Continue? "))
(or (plist-get (fsm-get-state-data jc) :password)
(jabber-read-password (jabber-connection-bare-jid jc)))))
auth)
(if (null passwd)
(fsm-send jc :authentication-failure)
(if digest-allowed
(setq auth `(digest () ,(sha1 (concat session-id passwd))))
(setq auth `(password () ,passwd)))
;; For legacy authentication we must specify a resource.
(unless (plist-get (fsm-get-state-data jc) :resource)
;; Yes, this is ugly. Where is my encapsulation?
(plist-put (fsm-get-state-data jc) :resource "emacs-jabber"))
(jabber-send-iq jc (plist-get (fsm-get-state-data jc) :server)
"set"
`(query ((xmlns . "jabber:iq:auth"))
(username () ,(plist-get (fsm-get-state-data jc) :username))
,auth
(resource () ,(plist-get (fsm-get-state-data jc) :resource)))
#'jabber-process-logon passwd
#'jabber-process-logon nil))))
(defun jabber-process-logon (jc xml-data closure-data)
"receive login success or failure, and request roster.
CLOSURE-DATA should be the password on success and nil on failure."
(if closure-data
;; Logon success
(fsm-send jc (cons :authentication-success closure-data))
;; Logon failure
(jabber-report-success jc xml-data "Logon")
(fsm-send jc :authentication-failure)))
(provide 'jabber-logon)
;;; arch-tag: f24ebe5e-3420-44bb-af81-d4de21f378b0
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