-;; notmuch-mua.el --- emacs style mail-user-agent
+;;; notmuch-mua.el --- emacs style mail-user-agent
;;
;; Copyright © David Edmondson
;;
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
-;; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
+;; along with Notmuch. If not, see <https://www.gnu.org/licenses/>.
;;
;; Authors: David Edmondson <dme@dme.org>
+;;; Code:
+
(require 'message)
+(require 'mm-view)
+(require 'format-spec)
(require 'notmuch-lib)
(require 'notmuch-address)
+(eval-when-compile (require 'cl))
+
+(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" ())
+
;;
(defcustom notmuch-mua-send-hook '(notmuch-mua-message-send-hook)
:group 'notmuch-send
:group 'notmuch-hooks)
-(defcustom notmuch-mua-user-agent-function 'notmuch-mua-user-agent-full
+(defcustom notmuch-mua-compose-in 'current-window
+ (concat
+ "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."
+ (when (< emacs-major-version 24)
+ " Due to a known bug in Emacs 23, you should not set
+this to `new-window' if `message-kill-buffer-on-exit' is
+disabled: this would result in an incorrect behavior."))
+ :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)
:value notmuch-mua-user-agent-full))
:group 'notmuch-send)
-(defcustom notmuch-mua-hidden-headers '("^User-Agent:")
+(defcustom notmuch-mua-hidden-headers nil
"Headers that are added to the `message-mode' hidden headers
list."
:type '(repeat string)
: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
+mutiple 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)
+
;;
+(defun notmuch-mua-get-switch-function ()
+ "Get a switch function according to `notmuch-mua-compose-in'."
+ (cond ((eq notmuch-mua-compose-in 'current-window)
+ 'switch-to-buffer)
+ ((eq notmuch-mua-compose-in 'new-window)
+ 'switch-to-buffer-other-window)
+ ((eq notmuch-mua-compose-in 'new-frame)
+ 'switch-to-buffer-other-frame)
+ (t (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)
(defun notmuch-mua-user-agent-notmuch ()
"Generate a `User-Agent:' string suitable for notmuch."
- (concat "Notmuch/" (notmuch-version) " (http://notmuchmail.org)"))
+ (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."
(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."
+ (loop for part in parts
+ if (notmuch-match-content-type (plist-get part :content-type) "multipart/encrypted")
+ do (mml-secure-message-sign-encrypt)
+ else if (notmuch-match-content-type (plist-get part :content-type) "multipart/*")
+ do (notmuch-mua-reply-crypto (plist-get part :content))))
+
+;; There is a bug in emacs 23's 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")))
+
(defun notmuch-mua-reply (query-string &optional sender reply-all)
- (let (headers
- body
- (args '("reply")))
- (if notmuch-show-process-crypto
- (setq args (append args '("--decrypt"))))
+ (let ((args '("reply" "--format=sexp" "--format-version=1"))
+ (process-crypto notmuch-show-process-crypto)
+ reply
+ original)
+ (when process-crypto
+ (setq args (append args '("--decrypt"))))
+
(if reply-all
(setq args (append args '("--reply-to=all")))
(setq args (append args '("--reply-to=sender"))))
(setq args (append args (list query-string)))
- ;; This make assumptions about the output of `notmuch reply', but
- ;; really only that the headers come first followed by a blank
- ;; line and then the body.
- (with-temp-buffer
- (apply 'call-process (append (list notmuch-command nil (list t t) nil) args))
- (goto-char (point-min))
- (if (re-search-forward "^$" nil t)
- (save-excursion
- (save-restriction
- (narrow-to-region (point-min) (point))
- (goto-char (point-min))
- (setq headers (mail-header-extract)))))
- (forward-line 1)
- (setq body (buffer-substring (point) (point-max))))
- ;; If sender is non-nil, set the From: header to its value.
- (when sender
- (mail-header-set 'from sender headers))
- (let
- ;; Overlay the composition window on that being used to read
- ;; the original message.
- ((same-window-regexps '("\\*mail .*")))
- (notmuch-mua-mail (mail-header 'to headers)
- (mail-header 'subject headers)
- (message-headers-to-generate headers t '(to subject))))
- ;; insert the message body - but put it in front of the signature
- ;; if one is present
- (goto-char (point-max))
- (if (re-search-backward message-signature-separator nil t)
- (forward-line -1)
- (goto-char (point-max)))
- (insert body)
- (push-mark))
- (set-buffer-modified-p nil)
- (message-goto-body)
- ;; Original message may contain (malicious) MML tags. We must
- ;; properly quote them in the reply. Note that using `point-max'
- ;; instead of `mark' here is wrong. The buffer may include user's
- ;; signature which should not be MML-quoted.
- (mml-quote-region (point) (point-max)))
-
-(defun notmuch-mua-forward-message ()
- (message-forward)
-
- (when notmuch-mua-user-agent-function
- (let ((user-agent (funcall notmuch-mua-user-agent-function)))
- (when (not (string= "" user-agent))
- (message-add-header (format "User-Agent: %s" user-agent)))))
- (message-sort-headers)
- (message-hide-headers)
- (set-buffer-modified-p nil)
+ ;; 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
+ (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)
+ (plist-get reply-headers :Subject)
+ (notmuch-headers-plist-to-alist reply-headers)
+ nil (notmuch-mua-get-switch-function))))
+
+ ;; 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)
+ (if 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))
+ ;; We don't want sigstatus buttons (an information leak and usually wrong anyway).
+ (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-to))
-
-(defun notmuch-mua-mail (&optional to subject other-headers &rest other-args)
- "Invoke the notmuch mail composition window.
-
-OTHER-ARGS are passed through to `message-mail'."
+ (message-goto-body)
+ (set-buffer-modified-p nil))
+
+(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)
+
+(define-key notmuch-message-mode-map (kbd "C-c C-c") #'notmuch-mua-send-and-exit)
+(define-key notmuch-message-mode-map (kbd "C-c C-s") #'notmuch-mua-send)
+(define-key notmuch-message-mode-map (kbd "C-c C-p") #'notmuch-draft-postpone)
+(define-key notmuch-message-mode-map (kbd "C-x C-s") #'notmuch-draft-save)
+
+(defun notmuch-mua-pop-to-buffer (name switch-function)
+ "Pop to buffer NAME, and warn if it already exists and is
+modified. This function is notmuch addaptation of
+`message-pop-to-buffer'."
+ (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
+ (gnus-select-frame-set-input-focus (window-frame window))
+ (select-window window))
+ (funcall switch-function buffer)
+ (set-buffer buffer))
+ (when (and (buffer-modified-p)
+ (not (prog1
+ (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-mail (&optional to subject other-headers continue
+ switch-function yank-action send-actions
+ return-action &rest ignored)
+ "Invoke the notmuch mail composition window."
(interactive)
(when notmuch-mua-user-agent-function
(let ((user-agent (funcall notmuch-mua-user-agent-function)))
(when (not (string= "" user-agent))
- (push (cons "User-Agent" user-agent) other-headers))))
-
- (unless (mail-header 'from other-headers)
- (push (cons "From" (concat
- (notmuch-user-name) " <" (notmuch-user-primary-email) ">")) other-headers))
-
- (apply #'message-mail to subject other-headers other-args)
+ (push (cons 'User-Agent user-agent) other-headers))))
+
+ (unless (assq 'From other-headers)
+ (push (cons 'From (message-make-from
+ (notmuch-user-name) (notmuch-user-primary-email))) 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)
+ (if (stringp (car h)) (setcar h (intern (capitalize (car h))))))))
+ (args (list yank-action send-actions))
+ ;; Cause `message-setup-1' to do things relevant for mail,
+ ;; such as observe `message-default-mail-headers'.
+ (message-this-is-mail t))
+ ;; message-setup-1 in Emacs 23 does not accept return-action
+ ;; argument. Pass it only if it is supplied by the caller. This
+ ;; will never be the case when we're called by `compose-mail' in
+ ;; Emacs 23.
+ (when return-action (nconc args '(return-action)))
+ (apply 'message-setup-1 headers args))
+ (notmuch-fcc-header-setup)
(message-sort-headers)
(message-hide-headers)
(set-buffer-modified-p nil)
+ (notmuch-mua-maybe-set-window-dedicated)
(message-goto-to))
(defvar notmuch-mua-sender-history nil)
-(defun notmuch-mua-prompt-for-sender ()
- (interactive)
- (let (name addresses one-name-only)
- ;; If notmuch-identities is non-nil, check if there is a fixed user name.
- (if notmuch-identities
- (let ((components (mapcar 'mail-extract-address-components notmuch-identities)))
- (setq name (caar components)
- addresses (mapcar 'cadr components)
- one-name-only (eval
- (cons 'and
- (mapcar (lambda (identity)
- (string-equal name (car identity)))
- components)))))
- ;; If notmuch-identities is nil, use values from the notmuch configuration file.
- (setq name (notmuch-user-name)
- addresses (cons (notmuch-user-primary-email) (notmuch-user-other-email))
- one-name-only t))
- ;; Now prompt the user, either for an email address only or for a full identity.
- (if one-name-only
- (let ((address
- (ido-completing-read (concat "Sender address for " name ": ") addresses
- nil nil nil 'notmuch-mua-sender-history (car addresses))))
- (concat name " <" address ">"))
- (ido-completing-read "Send mail From: " notmuch-identities
- nil nil nil 'notmuch-mua-sender-history (car notmuch-identities)))))
+;; Workaround: Running `ido-completing-read' in emacs 23.1, 23.2 and 23.3
+;; without some explicit initialization fill freeze the operation.
+;; Hence, we advice `ido-completing-read' to ensure required initialization
+;; is done.
+(if (and (= emacs-major-version 23) (< emacs-minor-version 4))
+ (defadvice ido-completing-read (before notmuch-ido-mode-init activate)
+ (ido-init-completion-maps)
+ (add-hook 'minibuffer-setup-hook 'ido-minibuffer-setup)
+ (add-hook 'choose-completion-string-functions
+ 'ido-choose-completion-string)
+ (ad-disable-advice 'ido-completing-read 'before 'notmuch-ido-mode-init)
+ (ad-activate 'ido-completing-read)))
+(defun notmuch-mua-prompt-for-sender ()
+ "Prompt for a sender from the user's configured identities."
+ (if notmuch-identities
+ (ido-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
+ (ido-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)
- "Invoke the notmuch mail composition window.
+ "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
(when (or prompt-for-sender notmuch-always-prompt-for-sender)
- (list (cons 'from (notmuch-mua-prompt-for-sender))))))
- (notmuch-mua-mail nil nil other-headers)))
+ (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
+ (when (or prompt-for-sender notmuch-always-prompt-for-sender)
+ (list (cons 'From (notmuch-mua-prompt-for-sender)))))
+ forward-subject) ;; Comes from the first message and is
+ ;; applied later.
+
+ ;; 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))
+ (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)))
+ ;; 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-forward-make-body' shows the User-agent header. Hide
+ ;; it again.
+ (message-hide-headers)
+ (set-buffer-modified-p nil))))
-(defun notmuch-mua-new-forward-message (&optional prompt-for-sender)
- "Invoke the notmuch message forwarding window.
+(defun notmuch-mua-new-reply (query-string &optional prompt-for-sender reply-all)
+ "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."
- (interactive "P")
- (if (or prompt-for-sender notmuch-always-prompt-for-sender)
- (let* ((sender (notmuch-mua-prompt-for-sender))
- (address-components (mail-extract-address-components sender))
- (user-full-name (car address-components))
- (user-mail-address (cadr address-components)))
- (notmuch-mua-forward-message))
- (notmuch-mua-forward-message)))
+the From: address first. If REPLY-ALL is non-nil, the message
+will be addressed to all recipients of the source message."
+
+;; In current emacs (24.3) select-active-regions is set to 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.
-(defun notmuch-mua-new-reply (query-string &optional prompt-for-sender reply-all)
- "Invoke the notmuch reply window."
- (interactive "P")
(let ((sender
(when prompt-for-sender
- (notmuch-mua-prompt-for-sender))))
- (notmuch-mua-reply query-string sender reply-all)))
+ (notmuch-mua-prompt-for-sender)))
+ (select-active-regions nil))
+ (notmuch-mua-reply query-string sender reply-all)
+ (deactivate-mark)))
+
+(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? "))))
+
+(defun notmuch-mua-send-common (arg &optional exit)
+ (interactive "P")
+ (when (and (notmuch-mua-check-no-misplaced-secure-tag)
+ (notmuch-mua-check-secure-tag-has-newline))
+ (letf (((symbol-function 'message-do-fcc) #'notmuch-maildir-message-do-fcc))
+ (if exit
+ (message-send-and-exit arg)
+ (message-send arg)))))
(defun notmuch-mua-send-and-exit (&optional arg)
(interactive "P")
- (message-send-and-exit arg))
+ (notmuch-mua-send-common arg 't))
+
+(defun notmuch-mua-send (&optional arg)
+ (interactive "P")
+ (notmuch-mua-send-common arg))
(defun notmuch-mua-kill-buffer ()
(interactive)
;;
(provide 'notmuch-mua)
+
+;;; notmuch-mua.el ends here
projects / notmuch / blobdiff