reject.scm
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;;;; GNU Mailutils -- a suite of utilities for electronic mail
;;;; Copyright (C) 1999-2001, 2006-2007, 2010-2012, 2014-2016 Free
;;;; Software Foundation, Inc.
;;;;
;;;; GNU Mailutils 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 Mailutils 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 Mailutils. If not, see <http://www.gnu.org/licenses/>.
;;;; This module provides sieve's "reject" action.
(define sieve-option-quote #t)
(define (action-reject reason)
(sieve-verbose-print "REJECT")
(handle-exception
(let ((mime (mu-mime-create 0))
(datestr (strftime "%a, %b %d %H:%M:%S %Y %Z"
(localtime (current-time))))
(sender (mu-message-get-sender sieve-current-message)))
(let* ((mesg (mu-message-create))
(port (mu-message-get-port mesg "w")))
(display "The original message was received at " port)
(display datestr port)
(newline port)
(display "from " port)
(display sender port)
(display ".\n" port)
(display "Message was refused by recipient's mail filtering program.\n"
port)
(display "Reason given was as follows:\n" port)
(newline port)
(display reason port)
(close-output-port port)
(mu-mime-add-part mime mesg))
;; message/delivery-status
(let* ((mesg (mu-message-create))
(port (mu-message-get-port mesg "w")))
(mu-message-set-header mesg "Content-Type" "message/delivery-status")
(display (string-append "Reporting-UA: sieve; "
mu-package-string "\n") port)
(display (string-append "Arrival-Date: " datestr "\n") port)
(newline port)
(display (string-append "Final-Recipient: RFC822; " sieve-my-email "\n")
port)
(display "Action: deleted\n" port);
(display "Disposition: automatic-action/MDN-sent-automatically;deleted\n"
port)
(display (string-append
"Last-Attempt-Date: " datestr "\n") port)
(close-output-port port)
(mu-mime-add-part mime mesg))
;; Quote original message
(let* ((mesg (mu-message-create))
(port (mu-message-get-port mesg "w"))
(in-port (mu-message-get-port sieve-current-message "r" #t)))
(mu-message-set-header mesg "Content-Type" "message/rfc822")
(do ((line (read-line in-port) (read-line in-port)))
((eof-object? line) #f)
(display line port)
(newline port))
(close-input-port in-port)
(close-output-port port)
(mu-mime-add-part mime mesg))
(mu-message-send (mu-mime-get-message mime) #f sieve-daemon-email sender)
(mu-message-delete sieve-current-message))))
;;; Register action
(if sieve-parser
(sieve-register-action "reject" action-reject (list 'string) '()))