root/trunk/lisp/url/url-imap.el

;;; url-imap.el --- IMAP retrieval routines

;; Copyright (C) 1999, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.

;; Author: Simon Josefsson <jas@pdc.kth.se>
;; Keywords: comm, data, processes

;; This file is part of GNU Emacs.

;; GNU Emacs 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 3, or (at your option)
;; any later version.

;; GNU Emacs 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 GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.

;;; Commentary:

;; Anyway, here's a teaser. It's quite broken in lots of regards, but at
;; least it seem to work. At least a little. At least when called
;; manually like this (I've no idea how it's supposed to be called):

;; (url-imap (url-generic-parse-url "imap://cyrus.andrew.cmu.edu/archive.c-client;UID=1021"))

;;; Code:

(eval-when-compile (require 'cl))
(require 'url-util)
(require 'url-parse)
(require 'nnimap)
(require 'mm-util)

(defconst url-imap-default-port 143 "Default IMAP port")

(defun url-imap-open-host (host port user pass)
  ;; xxx use user and password
  (if (fboundp 'nnheader-init-server-buffer)
      (nnheader-init-server-buffer))
  (let ((imap-username user)
        (imap-password pass)
        (authenticator (if user 'login 'anonymous)))
    (nnimap-open-server host
                        `((nnimap-server-port ,port)
                          (nnimap-stream 'network)
                          (nnimap-authenticator ,authenticator)))))

(defun url-imap (url)
  (check-type url vector "Need a pre-parsed URL.")
  (save-excursion
    (set-buffer (generate-new-buffer " *url-imap*"))
    (mm-disable-multibyte)
    (let* ((host (url-host url))
           (port (url-port url))
           ;; xxx decode mailbox (see rfc2192)
           (mailbox (url-filename url))
           (coding-system-for-read 'binary))
      (and (eq (string-to-char mailbox) ?/)
           (setq mailbox (substring mailbox 1)))
      (url-imap-open-host host port (url-user url) (url-password url))
      (cond ((assoc "TYPE" (url-attributes url))
             ;; xxx list mailboxes (start gnus?)
             )
            ((assoc "UID" (url-attributes url))
             ;; fetch message part
             ;; xxx handle partial fetches
             (insert "Content-type: message/rfc822\n\n")
             (nnimap-request-article (cdr (assoc "UID" (url-attributes url))) 
                                     mailbox host (current-buffer)))
            (t
             ;; xxx list messages in mailbox (start gnus?)
             )))
    (current-buffer)))

;;; arch-tag: 034991ff-5425-48ea-b911-c96c90e6f47d
;;; url-imap.el ends here