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;;; url-imap.el --- IMAP retrieval routines -*- lexical-binding: t; -*-
;; Copyright (C) 1999, 2004-2021 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 of the License, 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. If not, see <https://www.gnu.org/licenses/>.
;;; 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:
(require 'url-util)
(require 'url-parse)
(require 'nnimap)
(require 'mm-util)
(defconst url-imap-default-port 143 "Default IMAP port.")
(defvar imap-username)
(defvar imap-password)
(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)
(unless (url-p url)
(signal 'wrong-type-error (list "Need a pre-parsed URL." url)))
(with-current-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)))
;;; url-imap.el ends here
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