lisp/url/url-imap.el

   1 ;;; url-imap.el --- IMAP retrieval routines
   2
   3 ;; Copyright (C) 1999, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   4
   5 ;; Author: Simon Josefsson <jas@pdc.kth.se>
   6 ;; Keywords: comm, data, processes
   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 3, 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., 51 Franklin Street, Fifth Floor,
  23 ;; Boston, MA 02110-1301, USA.
  24
  25 ;;; Commentary:
  26
  27 ;; Anyway, here's a teaser. It's quite broken in lots of regards, but at
  28 ;; least it seem to work. At least a little. At least when called
  29 ;; manually like this (I've no idea how it's supposed to be called):
  30
  31 ;; (url-imap (url-generic-parse-url "imap://cyrus.andrew.cmu.edu/archive.c-client;UID=1021"))
  32
  33 ;;; Code:
  34
  35 (require 'url-util)
  36 (require 'url-parse)
  37 (require 'nnimap)
  38 (require 'mm-util)
  39
  40 (defconst url-imap-default-port 143 "Default IMAP port")
  41
  42 (defun url-imap-open-host (host port user pass)
  43   ;; xxx use user and password
  44   (if (fboundp 'nnheader-init-server-buffer)
  45       (nnheader-init-server-buffer))
  46   (let ((imap-username user)
  47         (imap-password pass)
  48         (authenticator (if user 'login 'anonymous)))
  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   (unless (vectorp url)
  56     (signal 'wrong-type-error (list "Need a pre-parsed URL." url)))
  57   (save-excursion
  58     (set-buffer (generate-new-buffer " *url-imap*"))
  59     (mm-disable-multibyte)
  60     (let* ((host (url-host url))
  61            (port (url-port url))
  62            ;; xxx decode mailbox (see rfc2192)
  63            (mailbox (url-filename url))
  64            (coding-system-for-read 'binary))
  65       (and (eq (string-to-char mailbox) ?/)
  66            (setq mailbox (substring mailbox 1)))
  67       (url-imap-open-host host port (url-user url) (url-password url))
  68       (cond ((assoc "TYPE" (url-attributes url))
  69              ;; xxx list mailboxes (start gnus?)
  70              )
  71             ((assoc "UID" (url-attributes url))
  72              ;; fetch message part
  73              ;; xxx handle partial fetches
  74              (insert "Content-type: message/rfc822\n\n")
  75              (nnimap-request-article (cdr (assoc "UID" (url-attributes url)))
  76                                      mailbox host (current-buffer)))
  77             (t
  78              ;; xxx list messages in mailbox (start gnus?)
  79              )))
  80     (current-buffer)))
  81
  82 ;;; arch-tag: 034991ff-5425-48ea-b911-c96c90e6f47d
  83 ;;; url-imap.el ends here