;;; message.el --- composing mail and news messages
;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006 Free Software Foundation, Inc.
+;; 2005, 2006, 2007 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: mail, news
:link '(custom-manual "(message)Message Headers")
:type '(repeat sexp))
-(defcustom message-draft-headers '(References From)
+(defcustom message-draft-headers '(References From Date)
"*Headers to be generated when saving a draft message."
:version "22.1"
:group 'message-news
:link '(custom-manual "(message)Mail Variables")
:group 'message-sending)
+(defcustom message-sendmail-extra-arguments nil
+ "Additional arguments to `sendmail-program'."
+ ;; E.g. '("-a" "account") for msmtp
+ :version "23.0" ;; No Gnus
+ :type '(repeat string)
+ ;; :link '(custom-manual "(message)Mail Variables")
+ :group 'message-sending)
+
;; qmail-related stuff
(defcustom message-qmail-inject-program "/var/qmail/bin/qmail-inject"
"Location of the qmail-inject program."
:link '(custom-manual "(message)Insertion Variables")
:group 'message-insertion)
-(defcustom message-citation-line-format "On %a, %b %d %Y, %n wrote:"
+(defcustom message-citation-line-format "On %a, %b %d %Y, %N wrote:"
"Format of the \"Whomever writes:\" line.
The string is formatted using `format-spec'. The following
(defcustom message-generate-hashcash (if (executable-find "hashcash") t)
"*Whether to generate X-Hashcash: headers.
+If `t', always generate hashcash headers. If `opportunistic',
+only generate hashcash headers if it can be done without the user
+waiting (i.e., only asynchronously).
+
You must have the \"hashcash\" binary installed, see `hashcash-path'."
:group 'message-headers
:link '(custom-manual "(message)Mail Headers")
- :type 'boolean)
+ :type '(choice (const :tag "Always" t)
+ (const :tag "Never" nil)
+ (const :tag "Opportunistic" opportunistic)))
;;; Internal variables.
(defvar message-send-mail-real-function nil
"Internal send mail function.")
-(defvar message-bogus-system-names "^localhost\\."
+(defvar message-bogus-system-names "^localhost\\.\\|\\.local$"
"The regexp of bogus system names.")
(defcustom message-valid-fqdn-regexp
(substring subject (match-end 0))
subject))
+(defcustom message-replacement-char "."
+ "Replacement character used instead of unprintable or not decodable chars."
+ :group 'message-various
+ :version "22.1" ;; Gnus 5.10.9
+ :type '(choice string
+ (const ".")
+ (const "?")))
+
+;; FIXME: We also should call `message-strip-subject-encoded-words'
+;; when forwarding. Probably in `message-make-forward-subject' and
+;; `message-forward-make-body'.
+
+(defun message-strip-subject-encoded-words (subject)
+ "Fix non-decodable words in SUBJECT."
+ ;; Cf. `gnus-simplify-subject-fully'.
+ (let* ((case-fold-search t)
+ (replacement-chars (format "[%s%s%s]"
+ message-replacement-char
+ message-replacement-char
+ message-replacement-char))
+ (enc-word-re "=\\?\\([^?]+\\)\\?\\([QB]\\)\\?\\([^?]+\\)\\(\\?=\\)")
+ cs-string
+ (have-marker
+ (with-temp-buffer
+ (insert subject)
+ (goto-char (point-min))
+ (when (re-search-forward enc-word-re nil t)
+ (setq cs-string (match-string 1)))))
+ cs-coding q-or-b word-beg word-end)
+ (if (or (not have-marker) ;; No encoded word found...
+ ;; ... or double encoding was correct:
+ (and (stringp cs-string)
+ (setq cs-string (downcase cs-string))
+ (mm-coding-system-p (intern cs-string))
+ (not (prog1
+ (y-or-n-p
+ (format "\
+Decoded Subject \"%s\"
+contains a valid encoded word. Decode again? "
+ subject))
+ (setq cs-coding (intern cs-string))))))
+ subject
+ (with-temp-buffer
+ (insert subject)
+ (goto-char (point-min))
+ (while (re-search-forward enc-word-re nil t)
+ (setq cs-string (downcase (match-string 1))
+ q-or-b (match-string 2)
+ word-beg (match-beginning 0)
+ word-end (match-end 0))
+ (setq cs-coding
+ (if (mm-coding-system-p (intern cs-string))
+ (setq cs-coding (intern cs-string))
+ nil))
+ ;; No double encoded subject? => bogus charset.
+ (unless cs-coding
+ (setq cs-coding
+ (mm-read-coding-system
+ (format "\
+Decoded Subject \"%s\"
+contains an encoded word. The charset `%s' is unknown or invalid.
+Hit RET to replace non-decodable characters with \"%s\" or enter replacement
+charset: "
+ subject cs-string message-replacement-char)))
+ (if cs-coding
+ (replace-match (concat "=?" (symbol-name cs-coding)
+ "?\\2?\\3\\4\\5"))
+ (save-excursion
+ (goto-char word-beg)
+ (re-search-forward "=\\?\\([^?]+\\)\\?\\([QB]\\)\\?" word-end t)
+ (replace-match "")
+ ;; QP or base64
+ (if (string-match "\\`Q\\'" q-or-b)
+ ;; QP
+ (progn
+ (message "Replacing non-decodable characters with \"%s\"."
+ message-replacement-char)
+ (while (re-search-forward "\\(=[A-F0-9][A-F0-9]\\)+"
+ word-end t)
+ (replace-match message-replacement-char)))
+ ;; base64
+ (message "Replacing non-decodable characters with \"%s\"."
+ replacement-chars)
+ (re-search-forward "[^?]+" word-end t)
+ (replace-match replacement-chars))
+ (re-search-forward "\\?=")
+ (replace-match "")))))
+ (rfc2047-decode-region (point-min) (point-max))
+ (buffer-string)))))
+
;;; Start of functions adopted from `message-utils.el'.
(defun message-strip-subject-trailing-was (subject)
(substring table ?a (+ ?a n))
(substring table (+ ?a 26) 255))))
-(defun message-caesar-buffer-body (&optional rotnum)
+(defun message-caesar-buffer-body (&optional rotnum wide)
"Caesar rotate all letters in the current buffer by 13 places.
Used to encode/decode possibly offensive messages (commonly in rec.humor).
With prefix arg, specifies the number of places to rotate each letter forward.
-Mail and USENET news headers are not rotated."
+Mail and USENET news headers are not rotated unless WIDE is non-nil."
(interactive (if current-prefix-arg
(list (prefix-numeric-value current-prefix-arg))
(list nil)))
(save-excursion
(save-restriction
- (when (message-goto-body)
+ (when (and (not wide) (message-goto-body))
(narrow-to-region (point) (point-max)))
(message-caesar-region (point-min) (point-max) rotnum))))
(setq x-no-archive (message-fetch-field "x-no-archive"))
(vector 0
(or (message-fetch-field "subject") "none")
- (message-fetch-field "from")
+ (or (message-fetch-field "from") "nobody")
(message-fetch-field "date")
(message-fetch-field "message-id" t)
(message-fetch-field "references")
(unless (bolp)
(insert "\n"))
(funcall message-citation-line-function))
- (when (and x-no-archive
- (not message-cite-articles-with-x-no-archive)
- (string-match "yes" x-no-archive))
- (undo-boundary)
- (delete-region (point) (mark t))
- (insert "> [Quoted text removed due to X-No-Archive]\n")
- (forward-line -1)))))
+ (if (and x-no-archive
+ (not message-cite-articles-with-x-no-archive)
+ (string-match "yes" x-no-archive))
+ (progn
+ (undo-boundary)
+ (delete-region (point) (mark t))
+ (insert "> [Quoted text removed due to X-No-Archive]\n")
+ (push-mark)
+ (forward-line -1))
+ ;; FIXME: Doesn't handle first attribution line correctly. Probably
+ ;; font-lock looks for "\n\n" to find start of mail message.
+ (when (and (boundp 'gnus-message-highlight-citation)
+ gnus-message-highlight-citation
+ (fboundp 'gnus-article-highlight-citation))
+ (gnus-article-highlight-citation nil t))))))
(defun message-cite-original ()
"Cite function in the standard Message manner."
date
;; We need Gnus functionality if the user wants date or time from
;; the original article:
- (when (string-match "%[^EFLn]" message-citation-line-format)
+ (when (string-match "%[^fnNFL]" message-citation-line-format)
(autoload 'gnus-date-get-time "gnus-util")
(gnus-date-get-time (mail-header-date message-reply-headers)))))
(flist
(setq fname name
lname ""))))
;; The following letters are not used in `format-time-string':
- (push ?E lst) (push net lst)
+ (push ?E lst) (push "<E>" lst)
(push ?F lst) (push fname lst)
;; We might want to use "" instead of "<X>" later.
(push ?J lst) (push "<J>" lst)
(push ?K lst) (push "<K>" lst)
(push ?L lst) (push lname lst)
- (push ?N lst) (push "<N>" lst)
+ (push ?N lst) (push name-or-net lst)
(push ?O lst) (push "<O>" lst)
(push ?P lst) (push "<P>" lst)
(push ?Q lst) (push "<Q>" lst)
- (push ?f lst) (push "<f>" lst)
+ (push ?f lst) (push from lst)
(push ?i lst) (push "<i>" lst)
- (push ?n lst) (push name-or-net lst)
+ (push ?n lst) (push net lst)
(push ?o lst) (push "<o>" lst)
(push ?q lst) (push "<q>" lst)
(push ?t lst) (push "<t>" lst)
(setq choice
(gnus-multiple-choice
"Non-printable characters found. Continue sending?"
- '((?d "Remove non-printable characters and send")
- (?r "Replace non-printable characters with dots and send")
+ `((?d "Remove non-printable characters and send")
+ (?r ,(format
+ "Replace non-printable characters with \"%s\" and send"
+ message-replacement-char))
(?i "Ignore non-printable characters and send")
(?e "Continue editing"))))
(if (eq choice ?e)
(message-kill-all-overlays)
(delete-char 1)
(when (eq choice ?r)
- (insert "."))))
+ (insert message-replacement-char))))
(forward-char)
(skip-chars-forward mm-7bit-chars))))))
(gnus-setup-posting-charset nil)
message-posting-charset))
(headers message-required-mail-headers))
- (when message-generate-hashcash
+ (when (and message-generate-hashcash
+ (not (eq message-generate-hashcash 'opportunistic)))
(message "Generating hashcash...")
;; Wait for calculations already started to finish...
(hashcash-wait-async)
'call-process-region
(append
(list (point-min) (point-max)
- (if (boundp 'sendmail-program)
- sendmail-program
- "/usr/lib/sendmail")
+ (cond ((boundp 'sendmail-program)
+ sendmail-program)
+ ((file-exists-p "/usr/sbin/sendmail")
+ "/usr/sbin/sendmail")
+ ((file-exists-p "/usr/lib/sendmail")
+ "/usr/lib/sendmail")
+ ((file-exists-p "/usr/ucblib/sendmail")
+ "/usr/ucblib/sendmail")
+ (t "fakemail"))
nil errbuf nil "-oi")
+ message-sendmail-extra-arguments
;; Always specify who from,
;; since some systems have broken sendmails.
;; But some systems are more broken with -f, so
(concat message-user-path "!" login-name))
(t login-name))))
-(defun message-make-from ()
+(defun message-make-from (&optional name address )
"Make a From header."
(let* ((style message-from-style)
- (login (message-make-address))
- (fullname
- (or (and (boundp 'user-full-name)
- user-full-name)
- (user-full-name))))
+ (login (or address (message-make-address)))
+ (fullname (or name
+ (and (boundp 'user-full-name)
+ user-full-name)
+ (user-full-name))))
(when (string= fullname "&")
(setq fullname (user-login-name)))
(with-temp-buffer
(stringp message-user-fqdn)
(string-match message-valid-fqdn-regexp message-user-fqdn)
(not (string-match message-bogus-system-names message-user-fqdn)))
+ ;; `message-user-fqdn' seems to be valid
message-user-fqdn)
- ;; `message-user-fqdn' seems to be valid
((and (string-match message-valid-fqdn-regexp system-name)
(not (string-match message-bogus-system-names system-name)))
;; `system-name' returned the right result.
(defun message-headers-to-generate (headers included-headers excluded-headers)
"Return a list that includes all headers from HEADERS.
-If INCLUDED-HEADERS is a list, just include those headers. If if is
+If INCLUDED-HEADERS is a list, just include those headers. If it is
t, include all headers. In any case, headers from EXCLUDED-HEADERS
are not included."
(let ((result nil)
(defun message-get-reply-headers (wide &optional to-address address-headers)
(let (follow-to mct never-mct to cc author mft recipients extra)
- ;; Find all relevant headers we need.
+ ;; Find all relevant headers we need.
(save-restriction
(message-narrow-to-headers-or-head)
;; Gmane renames "To". Look at "Original-To", too, if it is present in
(push (cons 'Cc recipients) follow-to)))
follow-to))
+(defcustom message-simplify-subject-functions
+ '(message-strip-list-identifiers
+ message-strip-subject-re
+ message-strip-subject-trailing-was
+ message-strip-subject-encoded-words)
+ "List of functions taking a string argument that simplify subjects.
+The functions are applied when replying to a message.
+
+Useful functions to put in this list include:
+`message-strip-list-identifiers', `message-strip-subject-re',
+`message-strip-subject-trailing-was', and
+`message-strip-subject-encoded-words'."
+ :version "22.1" ;; Gnus 5.10.9
+ :group 'message-various
+ :type '(repeat function))
+
+(defun message-simplify-subject (subject &optional functions)
+ "Return simplified SUBJECT."
+ (unless functions
+ ;; Simplify fully:
+ (setq functions message-simplify-subject-functions))
+ (when (and (memq 'message-strip-list-identifiers functions)
+ gnus-list-identifiers)
+ (setq subject (message-strip-list-identifiers subject)))
+ (when (memq 'message-strip-subject-re functions)
+ (setq subject (concat "Re: " (message-strip-subject-re subject))))
+ (when (and (memq 'message-strip-subject-trailing-was functions)
+ message-subject-trailing-was-query)
+ (setq subject (message-strip-subject-trailing-was subject)))
+ (when (memq 'message-strip-subject-encoded-words functions)
+ (setq subject (message-strip-subject-encoded-words subject)))
+ subject)
+
;;;###autoload
(defun message-reply (&optional to-address wide)
"Start editing a reply to the article in the current buffer."
(setq message-id (message-fetch-field "message-id" t)
references (message-fetch-field "references")
date (message-fetch-field "date")
- from (message-fetch-field "from")
+ from (or (message-fetch-field "from") "nobody")
subject (or (message-fetch-field "subject") "none"))
- (when gnus-list-identifiers
- (setq subject (message-strip-list-identifiers subject)))
- (setq subject (concat "Re: " (message-strip-subject-re subject)))
- (when message-subject-trailing-was-query
- (setq subject (message-strip-subject-trailing-was subject)))
+
+ ;; Strip list identifiers, "Re: ", and "was:"
+ (setq subject (message-simplify-subject subject))
(when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
(string-match "<[^>]+>" gnus-warning))
(let ((case-fold-search t))
(string-match "world" distribution)))
(setq distribution nil))
- (if gnus-list-identifiers
- (setq subject (message-strip-list-identifiers subject)))
- (setq subject (concat "Re: " (message-strip-subject-re subject)))
- (when message-subject-trailing-was-query
- (setq subject (message-strip-subject-trailing-was subject)))
+ ;; Strip list identifiers, "Re: ", and "was:"
+ (setq subject (message-simplify-subject subject))
(widen))
(message-pop-to-buffer (message-buffer-name "followup" from newsgroups))
(message-forward-make-body-digest-mime forward-buffer)
(message-forward-make-body-digest-plain forward-buffer)))
+(eval-and-compile
+ (autoload 'mm-uu-dissect-text-parts "mm-uu")
+ (autoload 'mm-uu-dissect "mm-uu"))
+
+(defun message-signed-or-encrypted-p (&optional dont-emulate-mime handles)
+ "Say whether the current buffer contains signed or encrypted message.
+If DONT-EMULATE-MIME is nil, this function does the MIME emulation on
+messages that don't conform to PGP/MIME described in RFC2015. HANDLES
+is for the internal use."
+ (unless handles
+ (let ((mm-decrypt-option 'never)
+ (mm-verify-option 'never))
+ (if (setq handles (mm-dissect-buffer nil t))
+ (unless dont-emulate-mime
+ (mm-uu-dissect-text-parts handles))
+ (unless dont-emulate-mime
+ (setq handles (mm-uu-dissect))))))
+ ;; Check text/plain message in which there is a signed or encrypted
+ ;; body that has been encoded by B or Q.
+ (unless (or handles dont-emulate-mime)
+ (let ((cur (current-buffer))
+ (mm-decrypt-option 'never)
+ (mm-verify-option 'never))
+ (with-temp-buffer
+ (insert-buffer-substring cur)
+ (when (setq handles (mm-dissect-buffer t t))
+ (if (and (prog1
+ (bufferp (car handles))
+ (mm-destroy-parts handles))
+ (equal (mm-handle-media-type handles) "text/plain"))
+ (progn
+ (mm-decode-content-transfer-encoding
+ (mm-handle-encoding handles))
+ (setq handles (mm-uu-dissect)))
+ (setq handles nil))))))
+ (when handles
+ (prog1
+ (catch 'found
+ (dolist (handle (if (stringp (car handles))
+ (if (member (car handles)
+ '("multipart/signed"
+ "multipart/encrypted"))
+ (throw 'found t)
+ (cdr handles))
+ (list handles)))
+ (if (stringp (car handle))
+ (when (message-signed-or-encrypted-p dont-emulate-mime handle)
+ (throw 'found t))
+ (when (and (bufferp (car handle))
+ (equal (mm-handle-media-type handle)
+ "message/rfc822"))
+ (with-current-buffer (mm-handle-buffer handle)
+ (when (message-signed-or-encrypted-p dont-emulate-mime)
+ (throw 'found t)))))))
+ (mm-destroy-parts handles))))
+
;;;###autoload
(defun message-forward-make-body (forward-buffer &optional digest)
;; Put point where we want it before inserting the forwarded
(if message-forward-as-mime
(if (and message-forward-show-mml
(not (and (eq message-forward-show-mml 'best)
+ ;; Use the raw form in the body if it contains
+ ;; signed or encrypted message so as not to be
+ ;; destroyed by re-encoding.
(with-current-buffer forward-buffer
- (goto-char (point-min))
- (re-search-forward
- "Content-Type: *multipart/\\(signed\\|encrypted\\)"
- nil t)))))
+ (condition-case nil
+ (message-signed-or-encrypted-p)
+ (error t))))))
(message-forward-make-body-mml forward-buffer)
(message-forward-make-body-mime forward-buffer))
(message-forward-make-body-plain forward-buffer)))
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