71 lines
2.7 KiB
EmacsLisp
71 lines
2.7 KiB
EmacsLisp
;; jabber-si-client.el - send stream requests, by JEP-0095
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;; Copyright (C) 2004 - Magnus Henoch - mange@freemail.hu
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;; This file is a part of jabber.el.
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program; if not, write to the Free Software
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;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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(require 'jabber-iq)
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(require 'jabber-feature-neg)
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(require 'jabber-si-common)
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(defun jabber-si-initiate (jc jid profile-namespace profile-data profile-function &optional mime-type)
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"Try to initiate a stream to JID.
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PROFILE-NAMESPACE is, well, the namespace of the profile to use.
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PROFILE-DATA is the XML data to send within the SI request.
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PROFILE-FUNCTION is the \"connection established\" function.
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See `jabber-si-stream-methods'.
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MIME-TYPE is the MIME type to specify.
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Returns the SID."
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(let ((sid (apply 'format "emacs-sid-%d.%d.%d" (current-time))))
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(jabber-send-iq jc jid "set"
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`(si ((xmlns . "http://jabber.org/protocol/si")
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(id . ,sid)
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,(if mime-type
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(cons 'mime-type mime-type))
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(profile . ,profile-namespace))
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,profile-data
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(feature ((xmlns . "http://jabber.org/protocol/feature-neg"))
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,(jabber-fn-encode (list
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(cons "stream-method"
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(mapcar 'car jabber-si-stream-methods)))
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'request)))
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#'jabber-si-initiate-process (cons profile-function sid)
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;; XXX: use other function here?
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#'jabber-report-success "Stream initiation")
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sid))
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(defun jabber-si-initiate-process (jc xml-data closure-data)
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"Act on response to our SI query."
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(let* ((profile-function (car closure-data))
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(sid (cdr closure-data))
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(from (jabber-xml-get-attribute xml-data 'from))
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(query (jabber-iq-query xml-data))
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(feature-node (car (jabber-xml-get-children query 'feature)))
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(feature-alist (jabber-fn-parse feature-node 'response))
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(chosen-method (cadr (assoc "stream-method" feature-alist)))
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(method-data (assoc chosen-method jabber-si-stream-methods)))
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;; Our work is done. Hand it over to the stream method.
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(let ((stream-negotiate (nth 1 method-data)))
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(funcall stream-negotiate jc from sid profile-function))))
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(provide 'jabber-si-client)
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;;; arch-tag: e14ec451-3f18-4f36-b92a-e8a8aa1f5acd
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