mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-27 13:17:56 +01:00
fefc7a9474
This works much like notmuch-mua-attachment-regexp, but for the subject instead. By default, check for empty subjects, as that seems a reasonable thing to safeguard against.
679 lines
26 KiB
EmacsLisp
679 lines
26 KiB
EmacsLisp
;;; notmuch-mua.el --- emacs style mail-user-agent -*- lexical-binding: t -*-
|
||
;;
|
||
;; Copyright © David Edmondson
|
||
;;
|
||
;; This file is part of Notmuch.
|
||
;;
|
||
;; Notmuch 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.
|
||
;;
|
||
;; Notmuch 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 Notmuch. If not, see <https://www.gnu.org/licenses/>.
|
||
;;
|
||
;; Authors: David Edmondson <dme@dme.org>
|
||
|
||
;;; Code:
|
||
|
||
(eval-when-compile (require 'subr-x))
|
||
|
||
(require 'message)
|
||
(require 'gmm-utils)
|
||
(require 'mm-view)
|
||
(require 'format-spec)
|
||
|
||
(require 'notmuch-lib)
|
||
(require 'notmuch-address)
|
||
(require 'notmuch-draft)
|
||
(require 'notmuch-message)
|
||
|
||
(declare-function notmuch-show-insert-body "notmuch-show" (msg body depth))
|
||
(declare-function notmuch-fcc-header-setup "notmuch-maildir-fcc" ())
|
||
(declare-function notmuch-maildir-message-do-fcc "notmuch-maildir-fcc" ())
|
||
(declare-function notmuch-draft-postpone "notmuch-draft" ())
|
||
(declare-function notmuch-draft-save "notmuch-draft" ())
|
||
|
||
(defvar notmuch-show-indent-multipart)
|
||
(defvar notmuch-show-insert-header-p-function)
|
||
(defvar notmuch-show-max-text-part-size)
|
||
(defvar notmuch-show-insert-text/plain-hook)
|
||
|
||
;;; Options
|
||
|
||
(defcustom notmuch-mua-send-hook nil
|
||
"Hook run before sending messages."
|
||
:type 'hook
|
||
:group 'notmuch-send
|
||
:group 'notmuch-hooks)
|
||
|
||
(defcustom notmuch-mua-compose-in 'current-window
|
||
"Where to create the mail buffer used to compose a new message.
|
||
Possible values are `current-window' (default), `new-window' and
|
||
`new-frame'. If set to `current-window', the mail buffer will be
|
||
displayed in the current window, so the old buffer will be
|
||
restored when the mail buffer is killed. If set to `new-window'
|
||
or `new-frame', the mail buffer will be displayed in a new
|
||
window/frame that will be destroyed when the buffer is killed.
|
||
You may want to customize `message-kill-buffer-on-exit'
|
||
accordingly."
|
||
:group 'notmuch-send
|
||
:type '(choice (const :tag "Compose in the current window" current-window)
|
||
(const :tag "Compose mail in a new window" new-window)
|
||
(const :tag "Compose mail in a new frame" new-frame)))
|
||
|
||
(defcustom notmuch-mua-user-agent-function nil
|
||
"Function used to generate a `User-Agent:' string.
|
||
If this is `nil' then no `User-Agent:' will be generated."
|
||
:type '(choice (const :tag "No user agent string" nil)
|
||
(const :tag "Full" notmuch-mua-user-agent-full)
|
||
(const :tag "Notmuch" notmuch-mua-user-agent-notmuch)
|
||
(const :tag "Emacs" notmuch-mua-user-agent-emacs)
|
||
(function :tag "Custom user agent function"
|
||
:value notmuch-mua-user-agent-full))
|
||
:group 'notmuch-send)
|
||
|
||
(defcustom notmuch-mua-hidden-headers nil
|
||
"Headers that are added to the `message-mode' hidden headers list."
|
||
:type '(repeat string)
|
||
:group 'notmuch-send)
|
||
|
||
(defcustom notmuch-identities nil
|
||
"Identities that can be used as the From: address when composing a new message.
|
||
|
||
If this variable is left unset, then a list will be constructed from the
|
||
name and addresses configured in the notmuch configuration file."
|
||
:type '(repeat string)
|
||
:group 'notmuch-send)
|
||
|
||
(defcustom notmuch-always-prompt-for-sender nil
|
||
"Always prompt for the From: address when composing or forwarding a message.
|
||
|
||
This is not taken into account when replying to a message, because in that case
|
||
the From: header is already filled in by notmuch."
|
||
:type 'boolean
|
||
:group 'notmuch-send)
|
||
|
||
(defgroup notmuch-reply nil
|
||
"Replying to messages in notmuch."
|
||
:group 'notmuch)
|
||
|
||
(defcustom notmuch-mua-cite-function 'message-cite-original
|
||
"Function for citing an original message.
|
||
|
||
Predefined functions include `message-cite-original' and
|
||
`message-cite-original-without-signature'. Note that these
|
||
functions use `mail-citation-hook' if that is non-nil."
|
||
:type '(radio (function-item message-cite-original)
|
||
(function-item message-cite-original-without-signature)
|
||
(function-item sc-cite-original)
|
||
(function :tag "Other"))
|
||
:link '(custom-manual "(message)Insertion Variables")
|
||
:group 'notmuch-reply)
|
||
|
||
(defcustom notmuch-mua-reply-insert-header-p-function
|
||
'notmuch-show-reply-insert-header-p-never
|
||
"Function to decide which parts get a header when replying.
|
||
|
||
This function specifies which parts of a mime message with
|
||
multiple parts get a header."
|
||
:type '(radio (const :tag "No part headers"
|
||
notmuch-show-reply-insert-header-p-never)
|
||
(const :tag "All except multipart/* and hidden parts"
|
||
notmuch-show-reply-insert-header-p-trimmed)
|
||
(const :tag "Only for included text parts"
|
||
notmuch-show-reply-insert-header-p-minimal)
|
||
(const :tag "Exactly as in show view"
|
||
notmuch-show-insert-header-p)
|
||
(function :tag "Other"))
|
||
:group 'notmuch-reply)
|
||
|
||
(defcustom notmuch-mua-attachment-regexp
|
||
"\\b\\(attache\?ment\\|attached\\|attach\\|pi[èe]ce\s+jointe?\\)\\b"
|
||
"Message body text indicating that an attachment is expected.
|
||
|
||
This is not used unless `notmuch-mua-attachment-check' is added
|
||
to `notmuch-mua-send-hook'."
|
||
:type 'regexp
|
||
:group 'notmuch-send)
|
||
|
||
(defcustom notmuch-mua-subject-regexp
|
||
"[[:blank:]]*$"
|
||
"Message subject indicating that something may be amiss.
|
||
By default, this checks for empty subject lines.
|
||
|
||
This is not used unless `notmuch-mua-subject-check' is added to
|
||
`notmuch-mua-send-hook'."
|
||
:type 'regexp
|
||
:group 'notmuch-send)
|
||
|
||
;;; Various functions
|
||
|
||
(defun notmuch-mua-attachment-check ()
|
||
"Signal an error an attachement is expected but missing.
|
||
|
||
Signal an error if the message text indicates that an attachment
|
||
is expected but no MML referencing an attachment is found.
|
||
|
||
Typically this is added to `notmuch-mua-send-hook'."
|
||
(when (and
|
||
;; When the message mentions attachment...
|
||
(save-excursion
|
||
(message-goto-body)
|
||
;; Limit search from reaching other possible parts of the message
|
||
(let ((search-limit (search-forward "\n<#" nil t)))
|
||
(message-goto-body)
|
||
(cl-loop while (re-search-forward notmuch-mua-attachment-regexp
|
||
search-limit t)
|
||
;; For every instance of the "attachment" string
|
||
;; found, examine the text properties. If the text
|
||
;; has either a `face' or `syntax-table' property
|
||
;; then it is quoted text and should *not* cause the
|
||
;; user to be asked about a missing attachment.
|
||
if (let ((props (text-properties-at (match-beginning 0))))
|
||
(not (or (memq 'syntax-table props)
|
||
(memq 'face props))))
|
||
return t
|
||
finally return nil)))
|
||
;; ...but doesn't have a part with a filename...
|
||
(save-excursion
|
||
(message-goto-body)
|
||
(not (re-search-forward "^<#part [^>]*filename=" nil t)))
|
||
;; ...and that's not okay...
|
||
(not (y-or-n-p "Attachment mentioned, but no attachment - is that okay?")))
|
||
;; ...signal an error.
|
||
(error "Missing attachment")))
|
||
|
||
(defun notmuch-mua-subject-check ()
|
||
"Signal an error if the subject seems amiss.
|
||
More precisely, if the subject conforms to
|
||
`notmuch-mua-subject-regexp'.
|
||
|
||
Typically this is added to `notmuch-mua-send-hook'."
|
||
(or (save-excursion
|
||
(message-goto-subject)
|
||
(message-beginning-of-header t)
|
||
(not (looking-at-p notmuch-mua-subject-regexp)))
|
||
(y-or-n-p "Subject may be erroneous – is that okay?")
|
||
(error "Erroneous subject")))
|
||
|
||
(defun notmuch-mua-get-switch-function ()
|
||
"Get a switch function according to `notmuch-mua-compose-in'."
|
||
(pcase notmuch-mua-compose-in
|
||
('current-window 'switch-to-buffer)
|
||
('new-window 'switch-to-buffer-other-window)
|
||
('new-frame 'switch-to-buffer-other-frame)
|
||
(_ (error "Invalid value for `notmuch-mua-compose-in'"))))
|
||
|
||
(defun notmuch-mua-maybe-set-window-dedicated ()
|
||
"Set the selected window as dedicated according to `notmuch-mua-compose-in'."
|
||
(when (or (eq notmuch-mua-compose-in 'new-frame)
|
||
(eq notmuch-mua-compose-in 'new-window))
|
||
(set-window-dedicated-p (selected-window) t)))
|
||
|
||
(defun notmuch-mua-user-agent-full ()
|
||
"Generate a `User-Agent:' string suitable for notmuch."
|
||
(concat (notmuch-mua-user-agent-notmuch)
|
||
" "
|
||
(notmuch-mua-user-agent-emacs)))
|
||
|
||
(defun notmuch-mua-user-agent-notmuch ()
|
||
"Generate a `User-Agent:' string suitable for notmuch."
|
||
(let ((notmuch-version (if (string= notmuch-emacs-version "unknown")
|
||
(notmuch-cli-version)
|
||
notmuch-emacs-version)))
|
||
(concat "Notmuch/" notmuch-version " (https://notmuchmail.org)")))
|
||
|
||
(defun notmuch-mua-user-agent-emacs ()
|
||
"Generate a `User-Agent:' string suitable for notmuch."
|
||
(concat "Emacs/" emacs-version " (" system-configuration ")"))
|
||
|
||
(defun notmuch-mua-add-more-hidden-headers ()
|
||
"Add some headers to the list that are hidden by default."
|
||
(mapc (lambda (header)
|
||
(unless (member header message-hidden-headers)
|
||
(push header message-hidden-headers)))
|
||
notmuch-mua-hidden-headers))
|
||
|
||
(defun notmuch-mua-reply-crypto (parts)
|
||
"Add mml sign-encrypt flag if any part of original message is encrypted."
|
||
(cl-loop for part in parts
|
||
for type = (plist-get part :content-type)
|
||
if (notmuch-match-content-type type "multipart/encrypted")
|
||
do (mml-secure-message-sign-encrypt)
|
||
else if (notmuch-match-content-type type "multipart/*")
|
||
do (notmuch-mua-reply-crypto (plist-get part :content))))
|
||
|
||
;; There is a bug in Emacs' message.el that results in a newline
|
||
;; not being inserted after the References header, so the next header
|
||
;; is concatenated to the end of it. This function fixes the problem,
|
||
;; while guarding against the possibility that some current or future
|
||
;; version of emacs has the bug fixed.
|
||
(defun notmuch-mua-insert-references (original-func header references)
|
||
(funcall original-func header references)
|
||
(unless (bolp) (insert "\n")))
|
||
|
||
;;; Mua reply
|
||
|
||
(defun notmuch-mua-reply (query-string &optional sender reply-all duplicate)
|
||
(let* ((duparg (and duplicate (list (format "--duplicate=%d" duplicate))))
|
||
(args `("reply" "--format=sexp" "--format-version=5" ,@duparg))
|
||
(process-crypto notmuch-show-process-crypto)
|
||
reply
|
||
original)
|
||
(when process-crypto
|
||
(setq args (append args '("--decrypt=true"))))
|
||
(if reply-all
|
||
(setq args (append args '("--reply-to=all")))
|
||
(setq args (append args '("--reply-to=sender"))))
|
||
(setq args (append args (list query-string)))
|
||
;; Get the reply object as SEXP, and parse it into an elisp object.
|
||
(setq reply (apply #'notmuch-call-notmuch-sexp args))
|
||
;; Extract the original message to simplify the following code.
|
||
(setq original (plist-get reply :original))
|
||
;; Extract the headers of both the reply and the original message.
|
||
(let* ((original-headers (plist-get original :headers))
|
||
(reply-headers (plist-get reply :reply-headers)))
|
||
;; If sender is non-nil, set the From: header to its value.
|
||
(when sender
|
||
(plist-put reply-headers :From sender))
|
||
(let
|
||
;; Overlay the composition window on that being used to read
|
||
;; the original message.
|
||
((same-window-regexps '("\\*mail .*")))
|
||
;; We modify message-header-format-alist to get around
|
||
;; a bug in message.el. See the comment above on
|
||
;; notmuch-mua-insert-references.
|
||
(let ((message-header-format-alist
|
||
(cl-loop for pair in message-header-format-alist
|
||
if (eq (car pair) 'References)
|
||
collect (cons 'References
|
||
(apply-partially
|
||
'notmuch-mua-insert-references
|
||
(cdr pair)))
|
||
else
|
||
collect pair)))
|
||
(notmuch-mua-mail (plist-get reply-headers :To)
|
||
(notmuch-sanitize (plist-get reply-headers :Subject))
|
||
(notmuch-headers-plist-to-alist reply-headers)
|
||
nil (notmuch-mua-get-switch-function))))
|
||
;; Create a buffer-local queue for tag changes triggered when
|
||
;; sending the reply.
|
||
(when notmuch-message-replied-tags
|
||
(setq notmuch-message-queued-tag-changes
|
||
(list (cons query-string notmuch-message-replied-tags))))
|
||
;; Insert the message body - but put it in front of the signature
|
||
;; if one is present, and after any other content
|
||
;; message*setup-hooks may have added to the message body already.
|
||
(save-restriction
|
||
(message-goto-body)
|
||
(narrow-to-region (point) (point-max))
|
||
(goto-char (point-max))
|
||
(if (re-search-backward message-signature-separator nil t)
|
||
(when message-signature-insert-empty-line
|
||
(forward-line -1))
|
||
(goto-char (point-max))))
|
||
(let ((from (plist-get original-headers :From))
|
||
(date (plist-get original-headers :Date))
|
||
(start (point)))
|
||
;; notmuch-mua-cite-function constructs a citation line based
|
||
;; on the From and Date headers of the original message, which
|
||
;; are assumed to be in the buffer.
|
||
(insert "From: " from "\n")
|
||
(insert "Date: " date "\n\n")
|
||
(insert
|
||
(with-temp-buffer
|
||
(let
|
||
;; Don't attempt to clean up messages, excerpt
|
||
;; citations, etc. in the original message before
|
||
;; quoting.
|
||
((notmuch-show-insert-text/plain-hook nil)
|
||
;; Don't omit long parts.
|
||
(notmuch-show-max-text-part-size 0)
|
||
;; Insert headers for parts as appropriate for replying.
|
||
(notmuch-show-insert-header-p-function
|
||
notmuch-mua-reply-insert-header-p-function)
|
||
;; Ensure that any encrypted parts are
|
||
;; decrypted during the generation of the reply
|
||
;; text.
|
||
(notmuch-show-process-crypto process-crypto)
|
||
;; Don't indent multipart sub-parts.
|
||
(notmuch-show-indent-multipart nil)
|
||
;; Stop certain mime types from being inlined
|
||
(mm-inline-override-types (notmuch--inline-override-types)))
|
||
;; We don't want sigstatus buttons (an information leak and usually wrong anyway).
|
||
(cl-letf (((symbol-function 'notmuch-crypto-insert-sigstatus-button) #'ignore)
|
||
((symbol-function 'notmuch-crypto-insert-encstatus-button) #'ignore))
|
||
(notmuch-show-insert-body original (plist-get original :body) 0)
|
||
(buffer-substring-no-properties (point-min) (point-max))))))
|
||
(set-mark (point))
|
||
(goto-char start)
|
||
;; Quote the original message according to the user's configured style.
|
||
(funcall notmuch-mua-cite-function)))
|
||
;; Crypto processing based crypto content of the original message
|
||
(when process-crypto
|
||
(notmuch-mua-reply-crypto (plist-get original :body))))
|
||
;; Push mark right before signature, if any.
|
||
(message-goto-signature)
|
||
(unless (eobp)
|
||
(end-of-line -1))
|
||
(push-mark)
|
||
(message-goto-body)
|
||
(set-buffer-modified-p nil))
|
||
|
||
;;; Mode and keymap
|
||
|
||
(defvar notmuch-message-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(define-key map [remap message-send-and-exit] #'notmuch-mua-send-and-exit)
|
||
(define-key map [remap message-send] #'notmuch-mua-send)
|
||
(define-key map (kbd "C-c C-p") #'notmuch-draft-postpone)
|
||
(define-key map (kbd "C-x C-s") #'notmuch-draft-save)
|
||
map)
|
||
"Keymap for `notmuch-message-mode'.")
|
||
|
||
(define-derived-mode notmuch-message-mode message-mode "Message[Notmuch]"
|
||
"Notmuch message composition mode. Mostly like `message-mode'."
|
||
(notmuch-address-setup))
|
||
|
||
(put 'notmuch-message-mode 'flyspell-mode-predicate 'mail-mode-flyspell-verify)
|
||
|
||
;;; New messages
|
||
|
||
(defun notmuch-mua-pop-to-buffer (name switch-function)
|
||
"Pop to buffer NAME, and warn if it already exists and is modified.
|
||
Like `message-pop-to-buffer' but enable `notmuch-message-mode'
|
||
instead of `message-mode' and SWITCH-FUNCTION is mandatory."
|
||
(let ((buffer (get-buffer name)))
|
||
(if (and buffer
|
||
(buffer-name buffer))
|
||
(let ((window (get-buffer-window buffer 0)))
|
||
(if window
|
||
;; Raise the frame already displaying the message buffer.
|
||
(progn
|
||
(select-frame-set-input-focus (window-frame window))
|
||
(select-window window))
|
||
(funcall switch-function buffer)
|
||
(set-buffer buffer))
|
||
(when (buffer-modified-p)
|
||
(if (y-or-n-p "Message already being composed; erase? ")
|
||
(message nil)
|
||
(error "Message being composed"))))
|
||
(funcall switch-function name)
|
||
(set-buffer name))
|
||
(erase-buffer)
|
||
(notmuch-message-mode)))
|
||
|
||
(defun notmuch-mua--remove-dont-reply-to-names ()
|
||
(when-let* ((nr (if (functionp message-dont-reply-to-names)
|
||
message-dont-reply-to-names
|
||
(gmm-regexp-concat message-dont-reply-to-names)))
|
||
(nr-filter
|
||
(if (functionp nr)
|
||
(lambda (mail) (and (not (funcall nr mail)) mail))
|
||
(lambda (mail) (and (not (string-match-p nr mail)) mail)))))
|
||
(dolist (header '("To" "Cc"))
|
||
(when-let ((v (message-fetch-field header)))
|
||
(let* ((tokens (mapcar #'string-trim (message-tokenize-header v)))
|
||
(good-tokens (delq nil (mapcar nr-filter tokens)))
|
||
(addr (and good-tokens (mapconcat #'identity good-tokens ", "))))
|
||
(message-replace-header header addr))))))
|
||
|
||
;;;#autoload
|
||
(defun notmuch-mua-mail (&optional to subject other-headers _continue
|
||
switch-function yank-action send-actions
|
||
return-action &rest _ignored)
|
||
"Invoke the notmuch mail composition window.
|
||
|
||
The position of point when the function returns differs depending
|
||
on the values of TO and SUBJECT. If both are non-nil, point is
|
||
moved to the message's body. If SUBJECT is nil but TO isn't,
|
||
point is moved to the \"Subject:\" header. Otherwise, point is
|
||
moved to the \"To:\" header."
|
||
(interactive)
|
||
(when notmuch-mua-user-agent-function
|
||
(let ((user-agent (funcall notmuch-mua-user-agent-function)))
|
||
(unless (string-empty-p user-agent)
|
||
(push (cons 'User-Agent user-agent) other-headers))))
|
||
(notmuch-mua-pop-to-buffer (message-buffer-name "mail" to)
|
||
(or switch-function
|
||
(notmuch-mua-get-switch-function)))
|
||
(let ((headers
|
||
(append
|
||
;; The following is copied from `message-mail'
|
||
`((To . ,(or to "")) (Subject . ,(or subject "")))
|
||
;; C-h f compose-mail says that headers should be specified as
|
||
;; (string . value); however all the rest of message expects
|
||
;; headers to be symbols, not strings (eg message-header-format-alist).
|
||
;; https://lists.gnu.org/archive/html/emacs-devel/2011-01/msg00337.html
|
||
;; We need to convert any string input, eg from rmail-start-mail.
|
||
(dolist (h other-headers other-headers)
|
||
(when (stringp (car h))
|
||
(setcar h (intern (capitalize (car h))))))))
|
||
;; Cause `message-setup-1' to do things relevant for mail,
|
||
;; such as observe `message-default-mail-headers'.
|
||
(message-this-is-mail t))
|
||
(unless (assq 'From headers)
|
||
(push (cons 'From (message-make-from
|
||
(notmuch-user-name)
|
||
(notmuch-user-primary-email)))
|
||
headers))
|
||
(message-setup-1 headers yank-action send-actions return-action))
|
||
(notmuch-fcc-header-setup)
|
||
(notmuch-mua--remove-dont-reply-to-names)
|
||
(message-sort-headers)
|
||
(message-hide-headers)
|
||
(set-buffer-modified-p nil)
|
||
(notmuch-mua-maybe-set-window-dedicated)
|
||
(cond
|
||
((and to subject) (message-goto-body))
|
||
(to (message-goto-subject))
|
||
(t (message-goto-to))))
|
||
|
||
(defvar notmuch-mua-sender-history nil)
|
||
|
||
(defun notmuch-mua-prompt-for-sender ()
|
||
"Prompt for a sender from the user's configured identities."
|
||
(if notmuch-identities
|
||
(completing-read "Send mail from: " notmuch-identities
|
||
nil nil nil 'notmuch-mua-sender-history
|
||
(car notmuch-identities))
|
||
(let* ((name (notmuch-user-name))
|
||
(addrs (cons (notmuch-user-primary-email)
|
||
(notmuch-user-other-email)))
|
||
(address
|
||
(completing-read (concat "Sender address for " name ": ") addrs
|
||
nil nil nil 'notmuch-mua-sender-history
|
||
(car addrs))))
|
||
(message-make-from name address))))
|
||
|
||
(put 'notmuch-mua-new-mail 'notmuch-prefix-doc "... and prompt for sender")
|
||
(defun notmuch-mua-new-mail (&optional prompt-for-sender)
|
||
"Compose new mail.
|
||
|
||
If PROMPT-FOR-SENDER is non-nil, the user will be prompted for
|
||
the From: address first."
|
||
(interactive "P")
|
||
(let ((other-headers
|
||
(and (or prompt-for-sender notmuch-always-prompt-for-sender)
|
||
(list (cons 'From (notmuch-mua-prompt-for-sender))))))
|
||
(notmuch-mua-mail nil nil other-headers nil (notmuch-mua-get-switch-function))))
|
||
|
||
(defun notmuch-mua-new-forward-messages (messages &optional prompt-for-sender)
|
||
"Compose a new message forwarding MESSAGES.
|
||
|
||
If PROMPT-FOR-SENDER is non-nil, the user will be prompteed for
|
||
the From: address."
|
||
(let* ((other-headers
|
||
(and (or prompt-for-sender notmuch-always-prompt-for-sender)
|
||
(list (cons 'From (notmuch-mua-prompt-for-sender)))))
|
||
;; Comes from the first message and is applied later.
|
||
forward-subject
|
||
;; List of accumulated message-references of forwarded messages.
|
||
forward-references
|
||
;; List of corresponding message-query.
|
||
forward-queries)
|
||
;; Generate the template for the outgoing message.
|
||
(notmuch-mua-mail nil "" other-headers nil (notmuch-mua-get-switch-function))
|
||
(save-excursion
|
||
;; Insert all of the forwarded messages.
|
||
(mapc (lambda (id)
|
||
(let ((temp-buffer (get-buffer-create
|
||
(concat "*notmuch-fwd-raw-" id "*"))))
|
||
;; Get the raw version of this message in the buffer.
|
||
(with-current-buffer temp-buffer
|
||
(erase-buffer)
|
||
(let ((coding-system-for-read 'no-conversion))
|
||
(notmuch--call-process notmuch-command nil t nil
|
||
"show" "--format=raw" id))
|
||
;; Because we process the messages in reverse order,
|
||
;; always generate a forwarded subject, then use the
|
||
;; last (i.e. first) one.
|
||
(setq forward-subject (message-make-forward-subject))
|
||
(push (message-fetch-field "Message-ID") forward-references)
|
||
(push id forward-queries))
|
||
;; Make a copy ready to be forwarded in the
|
||
;; composition buffer.
|
||
(message-forward-make-body temp-buffer)
|
||
;; Kill the temporary buffer.
|
||
(kill-buffer temp-buffer)))
|
||
;; `message-forward-make-body' always puts the message at
|
||
;; the top, so do them in reverse order.
|
||
(reverse messages))
|
||
;; Add in the appropriate subject.
|
||
(save-restriction
|
||
(message-narrow-to-headers)
|
||
(message-remove-header "Subject")
|
||
(message-add-header (concat "Subject: " forward-subject))
|
||
(message-remove-header "References")
|
||
(message-add-header (concat "References: "
|
||
(mapconcat 'identity forward-references " "))))
|
||
;; Create a buffer-local queue for tag changes triggered when
|
||
;; sending the message.
|
||
(when notmuch-message-forwarded-tags
|
||
(setq notmuch-message-queued-tag-changes
|
||
(cl-loop for id in forward-queries
|
||
collect
|
||
(cons id notmuch-message-forwarded-tags))))
|
||
;; `message-forward-make-body' shows the User-agent header. Hide
|
||
;; it again.
|
||
(message-hide-headers)
|
||
(set-buffer-modified-p nil))))
|
||
|
||
(defun notmuch-mua-new-reply (query-string &optional prompt-for-sender reply-all duplicate)
|
||
"Compose a reply to the message identified by QUERY-STRING.
|
||
|
||
If PROMPT-FOR-SENDER is non-nil, the user will be prompted for
|
||
the From: address first. If REPLY-ALL is non-nil, the message
|
||
will be addressed to all recipients of the source message. If
|
||
DUPLICATE is non-nil, based the reply on that duplicate file"
|
||
;; `select-active-regions' is t by default. The reply insertion code
|
||
;; sets the region to the quoted message to make it easy to delete
|
||
;; (kill-region or C-w). These two things combine to put the quoted
|
||
;; message in the primary selection.
|
||
;;
|
||
;; This is not what the user wanted and is a privacy risk (accidental
|
||
;; pasting of the quoted message). We can avoid some of the problems
|
||
;; by let-binding select-active-regions to nil. This fixes if the
|
||
;; primary selection was previously in a non-emacs window but not if
|
||
;; it was in an emacs window. To avoid the problem in the latter case
|
||
;; we deactivate mark.
|
||
(let ((sender (and prompt-for-sender
|
||
(notmuch-mua-prompt-for-sender)))
|
||
(select-active-regions nil))
|
||
(notmuch-mua-reply query-string sender reply-all duplicate)
|
||
(deactivate-mark)))
|
||
|
||
;;; Checks
|
||
|
||
(defun notmuch-mua-check-no-misplaced-secure-tag ()
|
||
"Query user if there is a misplaced secure mml tag.
|
||
|
||
Emacs message-send will (probably) ignore a secure mml tag unless
|
||
it is at the start of the body. Returns t if there is no such
|
||
tag, or the user confirms they mean it."
|
||
(save-excursion
|
||
(let ((body-start (progn (message-goto-body) (point))))
|
||
(goto-char (point-max))
|
||
(or
|
||
;; We are always fine if there is no secure tag.
|
||
(not (search-backward "<#secure" nil t))
|
||
;; There is a secure tag, so it must be at the start of the
|
||
;; body, with no secure tag earlier (i.e., in the headers).
|
||
(and (= (point) body-start)
|
||
(not (search-backward "<#secure" nil t)))
|
||
;; The user confirms they means it.
|
||
(yes-or-no-p "\
|
||
There is a <#secure> tag not at the start of the body. It is
|
||
likely that the message will be sent unsigned and unencrypted.
|
||
Really send? ")))))
|
||
|
||
(defun notmuch-mua-check-secure-tag-has-newline ()
|
||
"Query if the secure mml tag has a newline following it.
|
||
|
||
Emacs message-send will (probably) ignore a correctly placed
|
||
secure mml tag unless it is followed by a newline. Returns t if
|
||
any secure tag is followed by a newline, or the user confirms
|
||
they mean it."
|
||
(save-excursion
|
||
(message-goto-body)
|
||
(or
|
||
;; There is no (correctly placed) secure tag.
|
||
(not (looking-at "<#secure"))
|
||
;; The secure tag is followed by a newline.
|
||
(looking-at "<#secure[^\n>]*>\n")
|
||
;; The user confirms they means it.
|
||
(yes-or-no-p "\
|
||
The <#secure> tag at the start of the body is not followed by a
|
||
newline. It is likely that the message will be sent unsigned and
|
||
unencrypted. Really send? "))))
|
||
|
||
;;; Finishing commands
|
||
|
||
(defun notmuch-mua-send-common (arg &optional exit)
|
||
(interactive "P")
|
||
(run-hooks 'notmuch-mua-send-hook)
|
||
(when (and (notmuch-mua-check-no-misplaced-secure-tag)
|
||
(notmuch-mua-check-secure-tag-has-newline))
|
||
(cl-letf (((symbol-function 'message-do-fcc)
|
||
#'notmuch-maildir-message-do-fcc))
|
||
(if exit
|
||
(message-send-and-exit arg)
|
||
(message-send arg)))))
|
||
|
||
;;;#autoload
|
||
(defun notmuch-mua-send-and-exit (&optional arg)
|
||
(interactive "P")
|
||
(notmuch-mua-send-common arg t))
|
||
|
||
;;;#autoload
|
||
(defun notmuch-mua-send (&optional arg)
|
||
(interactive "P")
|
||
(notmuch-mua-send-common arg))
|
||
|
||
;;;#autoload
|
||
(defun notmuch-mua-kill-buffer ()
|
||
(interactive)
|
||
(message-kill-buffer))
|
||
|
||
;;; _
|
||
|
||
;;;#autoload
|
||
(define-mail-user-agent 'notmuch-user-agent
|
||
'notmuch-mua-mail
|
||
'notmuch-mua-send-and-exit
|
||
'notmuch-mua-kill-buffer
|
||
'notmuch-mua-send-hook)
|
||
|
||
;; Add some more headers to the list that `message-mode' hides when
|
||
;; composing a message.
|
||
(notmuch-mua-add-more-hidden-headers)
|
||
|
||
(provide 'notmuch-mua)
|
||
|
||
;;; notmuch-mua.el ends here
|