mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-29 11:02:01 +00:00
73 lines
2.2 KiB
EmacsLisp
73 lines
2.2 KiB
EmacsLisp
;;; spam-wash.el --- wash spam before analysis
|
|
|
|
;; Copyright (C) 2004, 2007-2017 Free Software Foundation, Inc.
|
|
|
|
;; Author: Andrew Cohen <cohen@andy.bu.edu>
|
|
;; Keywords: mail
|
|
|
|
;; 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 <http://www.gnu.org/licenses/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;; This library decodes MIME encodings such as base64 and
|
|
;; quoted-printable to allow for better spam analysis.
|
|
;;
|
|
;; `spam-wash' should be called in a buffer containing the message.
|
|
|
|
;;; Code:
|
|
|
|
(require 'gnus-art)
|
|
|
|
(defun spam-wash ()
|
|
"Treat the current buffer prior to spam analysis."
|
|
(interactive)
|
|
(run-hooks 'gnus-article-decode-hook)
|
|
(save-excursion
|
|
(save-restriction
|
|
(let* ((buffer-read-only nil)
|
|
(gnus-inhibit-treatment t)
|
|
(gnus-article-buffer (current-buffer))
|
|
(handles (or (mm-dissect-buffer nil gnus-article-loose-mime)
|
|
(and gnus-article-emulate-mime
|
|
(mm-uu-dissect))))
|
|
handle)
|
|
(when gnus-article-mime-handles
|
|
(mm-destroy-parts gnus-article-mime-handles)
|
|
(setq gnus-article-mime-handle-alist nil))
|
|
(setq gnus-article-mime-handles handles)
|
|
(when (and handles
|
|
(or (not (stringp (car handles)))
|
|
(cdr handles)))
|
|
(article-goto-body)
|
|
(delete-region (point) (point-max))
|
|
(spam-treat-parts handles))))))
|
|
|
|
(defun spam-treat-parts (handle)
|
|
(if (stringp (car handle))
|
|
(mapcar 'spam-treat-parts (cdr handle))
|
|
(if (bufferp (car handle))
|
|
(save-restriction
|
|
(narrow-to-region (point) (point))
|
|
(when (let ((case-fold-search t))
|
|
(string-match "text" (car (mm-handle-type handle))))
|
|
(mm-insert-part handle))
|
|
(goto-char (point-max)))
|
|
(mapcar 'spam-treat-parts handle))))
|
|
|
|
(provide 'spam-wash)
|
|
|
|
;;; spam-wash.el ends here
|