code.delx.au - gnu-emacs/blob - lisp/url/url-imap.el

   1 ;;; url-imap.el --- IMAP retrieval routines
   2 ;; Author: Simon Josefsson <jas@pdc.kth.se>
   3 ;; Keywords: comm, data, processes
   4
   5 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
   6 ;;; Copyright (c) 1999 Free Software Foundation, Inc.
   7 ;;;
   8 ;;; This file is part of GNU Emacs.
   9 ;;;
  10 ;;; GNU Emacs is free software; you can redistribute it and/or modify
  11 ;;; it under the terms of the GNU General Public License as published by
  12 ;;; the Free Software Foundation; either version 2, or (at your option)
  13 ;;; any later version.
  14 ;;;
  15 ;;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;;; GNU General Public License for more details.
  19 ;;;
  20 ;;; You should have received a copy of the GNU General Public License
  21 ;;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;;; Boston, MA 02111-1307, USA.
  24 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  25
  26 ; Anyway, here's a teaser. It's quite broken in lots of regards, but at
  27 ; least it seem to work. At least a little. At least when called
  28 ; manually like this (I've no idea how it's supposed to be called):
  29
  30 ; (url-imap (url-generic-parse-url "imap://cyrus.andrew.cmu.edu/archive.c-client;UID=1021"))
  31
  32 (eval-when-compile (require 'cl))
  33 (require 'url-util)
  34 (require 'url-parse)
  35 (require 'nnimap)
  36 (require 'mm-util)
  37
  38 (defconst url-imap-default-port 143 "Default IMAP port")
  39
  40 (defun url-imap-open-host (host port user pass)
  41   ;; xxx use user and password
  42   (if (fboundp 'nnheader-init-server-buffer)
  43       (nnheader-init-server-buffer))
  44   (let ((imap-username user)
  45         (imap-password pass)
  46         (authenticator (if user 'login 'anonymous)))
  47     (if (stringp port)
  48         (setq port (string-to-int port)))
  49     (nnimap-open-server host
  50                         `((nnimap-server-port ,port)
  51                           (nnimap-stream 'network)
  52                           (nnimap-authenticator ,authenticator)))))
  53
  54 (defun url-imap (url)
  55   (check-type url vector "Need a pre-parsed URL.")
  56   (save-excursion
  57     (set-buffer (generate-new-buffer " *url-imap*"))
  58     (mm-disable-multibyte)
  59     (let* ((host (url-host url))
  60            (port (url-port url))
  61            ;; xxx decode mailbox (see rfc2192)
  62            (mailbox (url-filename url))
  63            (coding-system-for-read 'binary))
  64       (and (eq (string-to-char mailbox) ?/)
  65            (setq mailbox (substring mailbox 1)))
  66       (url-imap-open-host host port (url-user url) (url-password url))
  67       (cond ((assoc "TYPE" (url-attributes url))
  68              ;; xxx list mailboxes (start gnus?)
  69              )
  70             ((assoc "UID" (url-attributes url))
  71              ;; fetch message part
  72              ;; xxx handle partial fetches
  73              (insert "Content-type: message/rfc822\n\n")
  74              (nnimap-request-article (cdr (assoc "UID" (url-attributes url)))
  75                                      mailbox host (current-buffer)))
  76             (t
  77              ;; xxx list messages in mailbox (start gnus?)
  78              )))
  79     (current-buffer)))
  80
  81 ;;; arch-tag: 034991ff-5425-48ea-b911-c96c90e6f47d