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;; jabber-logon.el - logon functions
;; Copyright (C) 2002, 2003, 2004 - tom berger - object@intelectronica.net
;; Copyright (C) 2003, 2004 - Magnus Henoch - mange@freemail.hu
;; 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)
(require 'sha1-el)
(defun jabber-get-auth (to)
"Send IQ get request in namespace \"jabber:iq:auth\"."
(jabber-send-iq to
"get"
`(query ((xmlns . "jabber:iq:auth"))
(username () ,jabber-username))
#'jabber-do-logon nil
#'jabber-report-success "Impossible error - auth field request"))
(defun jabber-do-logon (xml-data closure-data)
"send username and password in logon attempt"
(cond
((string= (jabber-xml-get-attribute xml-data 'type) "result")
(let (auth)
(if (jabber-xml-get-children (jabber-iq-query xml-data) 'digest)
;; SHA1 digest passwords allowed
(let ((passwd (jabber-read-passwd)))
(if passwd
(setq auth `(digest () ,(sha1 (concat jabber-session-id passwd))))))
(if (yes-or-no-p "Jabber server only allows cleartext password transmission! Continue? ")
(let ((passwd (jabber-read-passwd)))
(if passwd
(setq auth `(password () ,passwd))))))
;; If auth is still nil, user cancelled process somewhere
(if auth
(jabber-send-iq jabber-server
"set"
`(query ((xmlns . "jabber:iq:auth"))
(username () ,jabber-username)
,auth
(resource () ,jabber-resource))
#'jabber-process-logon t
#'jabber-process-logon nil)
(jabber-disconnect))))
(t
(error "Logon error ended up in the wrong place"))))
(defun jabber-process-logon (xml-data closure-data)
"receive login success or failure, and request roster.
CLOSURE-DATA should be t on success and nil on failure."
(if closure-data
;; Logon success
(progn
(setq *jabber-authenticated* t)
(jabber-send-iq nil
"get"
'(query ((xmlns . "jabber:iq:roster")))
#'jabber-process-roster 'initial
#'jabber-report-success "Roster retrieval")
(run-hooks 'jabber-post-connect-hook))
;; Logon failure
(jabber-report-success xml-data "Logon")
(jabber-disconnect)))
(provide 'jabber-logon)
;;; arch-tag: f24ebe5e-3420-44bb-af81-d4de21f378b0
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