jabber-ft-client.el

   1 ;; jabber-ft-client.el - send file transfer requests, by JEP-0096
   2
   3 ;; Copyright (C) 2004 - Magnus Henoch - mange@freemail.hu
   4
   5 ;; This file is a part of jabber.el.
   6
   7 ;; This program is free software; you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation; either version 2 of the License, or
  10 ;; (at your option) any later version.
  11
  12 ;; This program is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with this program; if not, write to the Free Software
  19 ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20
  21 (eval-when-compile (require 'cl))
  22
  23 (require 'jabber-si-client)
  24 (require 'jabber-util)
  25
  26 (require 'jabber-ft-common)
  27
  28 (defun jabber-ft-send (jc jid filename desc)
  29   "Attempt to send FILENAME to JID."
  30   (interactive (list (jabber-read-account)
  31                      (jabber-read-jid-completing "Send file to: " nil nil nil 'full)
  32                      (read-file-name "Send which file: " nil nil t)
  33                      (jabber-read-with-input-method "Description (optional): ")))
  34   (if (zerop (length desc)) (setq desc nil))
  35   (setq filename (expand-file-name filename))
  36   (access-file filename "Couldn't open file")
  37
  38   (let* ((attributes (file-attributes filename))
  39          (size (nth 7 attributes))
  40          (date (nth 5 attributes))
  41          (hash (jabber-ft-get-md5 filename)))
  42     (jabber-si-initiate jc jid "http://jabber.org/protocol/si/profile/file-transfer"
  43                         `(file ((xmlns . "http://jabber.org/protocol/si/profile/file-transfer")
  44                                 (name . ,(file-name-nondirectory filename))
  45                                 (size . ,size)
  46                                 (date . ,(jabber-encode-time date))
  47                                 ,@(when hash
  48                                     (list (cons 'hash hash))))
  49                                (desc () ,desc))
  50                         (lexical-let ((filename filename))
  51                           (lambda (jc jid sid send-data-function)
  52                             (jabber-ft-do-send
  53                              jid sid send-data-function filename))))))
  54
  55 (defun jabber-ft-do-send (jid sid send-data-function filename)
  56   (if (stringp send-data-function)
  57       (message "File sending failed: %s" send-data-function)
  58     (with-temp-buffer
  59       (insert-file-contents-literally filename)
  60
  61       ;; Ever heard of buffering?
  62       (funcall send-data-function (buffer-string))
  63       (message "File transfer completed")))
  64   ;; File transfer is monodirectional, so ignore received data.
  65   #'ignore)
  66
  67 (provide 'jabber-ft-client)
  68 ;;; arch-tag: fba686d5-37b5-4165-86c5-49b76fa0ea6e