elisp-vcs/flim-1.14.9/smtpmail.el

327 lines
10 KiB
EmacsLisp

;;; smtpmail.el --- SMTP interface for mail-mode
;; Copyright (C) 1995, 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
;; Author: Tomoji Kagatani <kagatani@rbc.ncl.omron.co.jp>
;; Keywords: mail
;; This file is part of FLIM (Faithful Library about Internet Message).
;; This program 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 2, or (at
;; your option) any later version.
;; This program 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 this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Send Mail to smtp host from smtpmail temp buffer.
;; Please add these lines in your .emacs(_emacs).
;;
;;(setq send-mail-function 'smtpmail-send-it)
;;(setq smtp-default-server "YOUR SMTP HOST")
;;(setq smtp-service "smtp")
;;(setq smtp-local-domain "YOUR DOMAIN NAME")
;;(setq smtp-debug-info t)
;;(autoload 'smtpmail-send-it "smtpmail")
;;(setq user-full-name "YOUR NAME HERE")
;; To queue mail, set smtpmail-queue-mail to t and use
;; smtpmail-send-queued-mail to send.
;;; Code:
(require 'custom)
(require 'smtp)
(require 'sendmail)
(require 'time-stamp)
(require 'mel) ; binary-write-decoded-region, binary-find-file-noselect
(eval-when-compile (require 'static))
(static-when (featurep 'xemacs)
(define-obsolete-variable-alias 'smtpmail-default-smtp-server
'smtp-default-server)
(define-obsolete-variable-alias 'smtpmail-smtp-server 'smtp-server)
(define-obsolete-variable-alias 'smtpmail-smtp-service 'smtp-service)
(define-obsolete-variable-alias 'smtpmail-local-domain 'smtp-local-domain)
(define-obsolete-variable-alias 'smtpmail-debug-info 'smtp-debug-info)
)
;;;
(defcustom smtpmail-queue-mail nil
"Specify if mail is queued (if t) or sent immediately (if nil).
If queued, it is stored in the directory `smtpmail-queue-dir'
and sent with `smtpmail-send-queued-mail'."
:type 'boolean
:group 'smtp)
(defcustom smtpmail-queue-dir "~/Mail/queued-mail/"
"Directory where `smtpmail.el' stores queued mail."
:type 'directory
:group 'smtp)
(defvar smtpmail-queue-index-file "index"
"File name of queued mail index,
This is relative to `smtpmail-queue-dir'.")
(defvar smtpmail-queue-index
(concat (file-name-as-directory smtpmail-queue-dir)
smtpmail-queue-index-file))
(defvar smtpmail-recipient-address-list nil)
;;;
;;;
;;;
;;;###autoload
(defun smtpmail-send-it ()
(require 'mail-utils)
(let ((errbuf (if mail-interactive
(generate-new-buffer " smtpmail errors")
0))
(tembuf (generate-new-buffer " smtpmail temp"))
(case-fold-search nil)
resend-to-addresses
delimline
(mailbuf (current-buffer)))
(unwind-protect
(save-excursion
(set-buffer tembuf)
(erase-buffer)
(insert-buffer-substring mailbuf)
(goto-char (point-max))
;; require one newline at the end.
(or (= (preceding-char) ?\n)
(insert ?\n))
;; Change header-delimiter to be what sendmail expects.
(goto-char (point-min))
(re-search-forward
(concat "^" (regexp-quote mail-header-separator) "\n"))
(replace-match "\n")
(backward-char 1)
(setq delimline (point-marker))
;; (sendmail-synch-aliases)
(if (and mail-aliases (fboundp 'expand-mail-aliases)) ; XEmacs
(expand-mail-aliases (point-min) delimline))
(goto-char (point-min))
;; ignore any blank lines in the header
(while (and (re-search-forward "\n\n\n*" delimline t)
(< (point) delimline))
(replace-match "\n"))
(let ((case-fold-search t))
(goto-char (point-min))
(goto-char (point-min))
(while (re-search-forward "^Resent-to:" delimline t)
(setq resend-to-addresses
(save-restriction
(narrow-to-region (point)
(save-excursion
(forward-line 1)
(while (looking-at "^[ \t]")
(forward-line 1))
(point)))
(append (mail-parse-comma-list)
resend-to-addresses))))
;;; Apparently this causes a duplicate Sender.
;;; ;; If the From is different than current user, insert Sender.
;;; (goto-char (point-min))
;;; (and (re-search-forward "^From:" delimline t)
;;; (progn
;;; (require 'mail-utils)
;;; (not (string-equal
;;; (mail-strip-quoted-names
;;; (save-restriction
;;; (narrow-to-region (point-min) delimline)
;;; (mail-fetch-field "From")))
;;; (user-login-name))))
;;; (progn
;;; (forward-line 1)
;;; (insert "Sender: " (user-login-name) "\n")))
;; Don't send out a blank subject line
(goto-char (point-min))
(if (re-search-forward "^Subject:\\([ \t]*\n\\)+\\b" delimline t)
(replace-match "")
;; This one matches a Subject just before the header delimiter.
(if (and (re-search-forward "^Subject:\\([ \t]*\n\\)+" delimline t)
(= (match-end 0) delimline))
(replace-match "")))
;; Put the "From:" field in unless for some odd reason
;; they put one in themselves.
(goto-char (point-min))
(if (not (re-search-forward "^From:" delimline t))
(let* ((login user-mail-address)
(fullname (user-full-name)))
(cond ((eq mail-from-style 'angles)
(insert "From: " fullname)
(let ((fullname-start (+ (point-min) 6))
(fullname-end (point-marker)))
(goto-char fullname-start)
;; Look for a character that cannot appear unquoted
;; according to RFC 822.
(if (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]"
fullname-end 1)
(progn
;; Quote fullname, escaping specials.
(goto-char fullname-start)
(insert "\"")
(while (re-search-forward "[\"\\]"
fullname-end 1)
(replace-match "\\\\\\&" t))
(insert "\""))))
(insert " <" login ">\n"))
((eq mail-from-style 'parens)
(insert "From: " login " (")
(let ((fullname-start (point)))
(insert fullname)
(let ((fullname-end (point-marker)))
(goto-char fullname-start)
;; RFC 822 says \ and nonmatching parentheses
;; must be escaped in comments.
;; Escape every instance of ()\ ...
(while (re-search-forward "[()\\]" fullname-end 1)
(replace-match "\\\\\\&" t))
;; ... then undo escaping of matching parentheses,
;; including matching nested parentheses.
(goto-char fullname-start)
(while (re-search-forward
"\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
fullname-end 1)
(replace-match "\\1(\\3)" t)
(goto-char fullname-start))))
(insert ")\n"))
((null mail-from-style)
(insert "From: " login "\n")))))
;; Insert an extra newline if we need it to work around
;; Sun's bug that swallows newlines.
(goto-char (1+ delimline))
(if (eval mail-mailer-swallows-blank-line)
(newline))
;; Find and handle any FCC fields.
(goto-char (point-min))
(if (re-search-forward "^FCC:" delimline t)
(mail-do-fcc delimline))
(if mail-interactive
(save-excursion
(set-buffer errbuf)
(erase-buffer))))
;;
;;
;;
(setq smtpmail-recipient-address-list
(or resend-to-addresses
(smtp-deduce-address-list tembuf (point-min) delimline)))
(smtpmail-do-bcc delimline)
; Send or queue
(if (not smtpmail-queue-mail)
(if smtpmail-recipient-address-list
(smtp-send-buffer user-mail-address
smtpmail-recipient-address-list
tembuf)
(error "Sending failed; no recipients"))
(let* ((file-data (convert-standard-filename
(concat
(file-name-as-directory smtpmail-queue-dir)
(time-stamp-yyyy-mm-dd)
"_" (time-stamp-hh:mm:ss))))
(file-elisp (concat file-data ".el"))
(buffer-data (create-file-buffer file-data))
(buffer-elisp (create-file-buffer file-elisp))
(buffer-scratch "*queue-mail*"))
(save-excursion
(set-buffer buffer-data)
(erase-buffer)
(insert-buffer tembuf)
(or (file-directory-p smtpmail-queue-dir)
(make-directory smtpmail-queue-dir t))
(binary-write-decoded-region (point-min) (point-max) file-data)
(set-buffer buffer-elisp)
(erase-buffer)
(insert (concat
"(setq smtpmail-recipient-address-list '"
(prin1-to-string smtpmail-recipient-address-list)
")\n"))
(write-file file-elisp)
(set-buffer (generate-new-buffer buffer-scratch))
(insert (concat file-data "\n"))
(append-to-file (point-min)
(point-max)
smtpmail-queue-index)
)
(kill-buffer buffer-scratch)
(kill-buffer buffer-data)
(kill-buffer buffer-elisp))))
(kill-buffer tembuf)
(if (bufferp errbuf)
(kill-buffer errbuf)))))
(defun smtpmail-send-queued-mail ()
"Send mail that was queued as a result of setting `smtpmail-queue-mail'."
(interactive)
;;; Get index, get first mail, send it, get second mail, etc...
(let ((buffer-index (find-file-noselect smtpmail-queue-index))
(file-msg "")
(tembuf nil))
(save-excursion
(set-buffer buffer-index)
(beginning-of-buffer)
(while (not (eobp))
(setq file-msg (buffer-substring (point) (save-excursion
(end-of-line)
(point))))
(load file-msg)
(setq tembuf (binary-find-file-noselect file-msg))
(if smtpmail-recipient-address-list
(smtp-send-buffer user-mail-address
smtpmail-recipient-address-list tembuf)
(error "Sending failed; no recipients"))
(delete-file file-msg)
(delete-file (concat file-msg ".el"))
(kill-buffer tembuf)
(kill-line 1))
(set-buffer buffer-index)
(save-buffer smtpmail-queue-index)
(kill-buffer buffer-index)
)))
(defun smtpmail-do-bcc (header-end)
"Delete BCC: and their continuation lines from the header area.
There may be multiple BCC: lines, and each may have arbitrarily
many continuation lines."
(let ((case-fold-search t))
(save-excursion
(goto-char (point-min))
;; iterate over all BCC: lines
(while (re-search-forward "^BCC:" header-end t)
(delete-region (match-beginning 0) (progn (forward-line 1) (point)))
;; get rid of any continuation lines
(while (and (looking-at "^[ \t].*\n") (< (point) header-end))
(replace-match ""))
)
) ;; save-excursion
) ;; let
)
;;;
(provide 'smtpmail)
;;; smtpmail.el ends here