;;; mml.el --- A package for parsing and validating MML documents
-;; Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
(autoload 'message-make-message-id "message")
(autoload 'gnus-setup-posting-charset "gnus-msg")
(autoload 'gnus-add-minor-mode "gnus-ems")
+ (autoload 'gnus-make-local-hook "gnus-util")
(autoload 'message-fetch-field "message")
(autoload 'message-posting-charset "message"))
+(defcustom mml-content-type-parameters
+ '(name access-type expiration size permission format)
+ "*A list of acceptable parameters in MML tag.
+These parameters are generated in Content-Type header if exists."
+ :type '(repeat (symbol :tag "Parameter"))
+ :group 'message)
+
+(defcustom mml-content-disposition-parameters
+ '(filename creation-date modification-date read-date)
+ "*A list of acceptable parameters in MML tag.
+These parameters are generated in Content-Disposition header if exists."
+ :type '(repeat (symbol :tag "Parameter"))
+ :group 'message)
+
+(defcustom mml-insert-mime-headers-always nil
+ "If non-nil, always put Content-Type: text/plain at top of empty parts.
+It is necessary to work against a bug in certain clients."
+ :type 'boolean
+ :group 'message)
+
+(defvar mml-tweak-type-alist nil
+ "A list of (TYPE . FUNCTION) for tweaking MML parts.
+TYPE is a string containing a regexp to match the MIME type. FUNCTION
+is a Lisp function which is called with the MML handle to tweak the
+part. This variable is used only when no TWEAK parameter exists in
+the MML handle.")
+
+(defvar mml-tweak-function-alist nil
+ "A list of (NAME . FUNCTION) for tweaking MML parts.
+NAME is a string containing the name of the TWEAK parameter in the MML
+handle. FUNCTION is a Lisp function which is called with the MML
+handle to tweak the part.")
+
+(defvar mml-tweak-sexp-alist
+ '((mml-externalize-attachments . mml-tweak-externalize-attachments))
+ "A list of (SEXP . FUNCTION) for tweaking MML parts.
+SEXP is an s-expression. If the evaluation of SEXP is non-nil, FUNCTION
+is called. FUNCTION is a Lisp function which is called with the MML
+handle to tweak the part.")
+
+(defvar mml-externalize-attachments nil
+ "*If non-nil, local-file attachments are generated as external parts.")
+
(defvar mml-generate-multipart-alist nil
"*Alist of multipart generation functions.
Each entry has the form (NAME . FUNCTION), where
-NAME is a string containing the name of the part (without the
+NAME is a string containing the name of the part (without the
leading \"/multipart/\"),
FUNCTION is a Lisp function which is called to generate the part.
(defvar mml-buffer-list nil)
-(defun mml-generate-new-buffer (name)
+(defun mml-generate-new-buffer (name)
(let ((buf (generate-new-buffer name)))
(push buf mml-buffer-list)
buf))
(defun mml-parse ()
"Parse the current buffer as an MML document."
- (goto-char (point-min))
- (let ((table (syntax-table)))
- (unwind-protect
- (progn
- (set-syntax-table mml-syntax-table)
- (mml-parse-1))
- (set-syntax-table table))))
+ (save-excursion
+ (goto-char (point-min))
+ (let ((table (syntax-table)))
+ (unwind-protect
+ (progn
+ (set-syntax-table mml-syntax-table)
+ (mml-parse-1))
+ (set-syntax-table table)))))
(defun mml-parse-1 ()
"Parse the current buffer as an MML document."
(while (and (not (eobp))
(not (looking-at "<#/multipart")))
(cond
+ ((looking-at "<#secure")
+ ;; The secure part is essentially a meta-meta tag, which
+ ;; expands to either a part tag if there are no other parts in
+ ;; the document or a multipart tag if there are other parts
+ ;; included in the message
+ (let* (secure-mode
+ (taginfo (mml-read-tag))
+ (recipients (cdr (assq 'recipients taginfo)))
+ (sender (cdr (assq 'sender taginfo)))
+ (location (cdr (assq 'tag-location taginfo)))
+ (mode (cdr (assq 'mode taginfo)))
+ (method (cdr (assq 'method taginfo)))
+ tags)
+ (save-excursion
+ (if
+ (re-search-forward
+ "<#\\(/\\)?\\(multipart\\|part\\|external\\|mml\\)." nil t)
+ (setq secure-mode "multipart")
+ (setq secure-mode "part")))
+ (save-excursion
+ (goto-char location)
+ (re-search-forward "<#secure[^\n]*>\n"))
+ (delete-region (match-beginning 0) (match-end 0))
+ (cond ((string= mode "sign")
+ (setq tags (list "sign" method)))
+ ((string= mode "encrypt")
+ (setq tags (list "encrypt" method)))
+ ((string= mode "signencrypt")
+ (setq tags (list "sign" method "encrypt" method))))
+ (eval `(mml-insert-tag ,secure-mode
+ ,@tags
+ ,(if recipients "recipients")
+ ,recipients
+ ,(if sender "sender")
+ ,sender))
+ ;; restart the parse
+ (goto-char location)))
((looking-at "<#multipart")
(push (nconc (mml-read-tag) (mml-parse-1)) struct))
((looking-at "<#external")
(setq raw (cdr (assq 'raw tag))
point (point)
contents (mml-read-part (eq 'mml (car tag)))
- charsets (if raw nil
- (mm-find-mime-charset-region point (point))))
+ charsets (cond
+ (raw nil)
+ ((assq 'charset tag)
+ (list
+ (intern (downcase (cdr (assq 'charset tag))))))
+ (t
+ (mm-find-mime-charset-region point (point)
+ mm-hack-charsets))))
(when (and (not raw) (memq nil charsets))
(if (or (memq 'unknown-encoding mml-confirmation-set)
- (y-or-n-p
- "Message contains characters with unknown encoding. Really send?"))
- (if (setq use-ascii
+ (message-options-get 'unknown-encoding)
+ (and (y-or-n-p "\
+Message contains characters with unknown encoding. Really send? ")
+ (message-options-set 'unknown-encoding t)))
+ (if (setq use-ascii
(or (memq 'use-ascii mml-confirmation-set)
- (y-or-n-p "Use ASCII as charset?")))
+ (message-options-get 'use-ascii)
+ (and (y-or-n-p "Use ASCII as charset? ")
+ (message-options-set 'use-ascii t))))
(setq charsets (delq nil charsets))
(setq warn nil))
(error "Edit your message to remove those characters")))
tag point (point) use-ascii)))
(when (and warn
(not (memq 'multipart mml-confirmation-set))
- (not
- (y-or-n-p
- (format
- "Warning: Your message contains more than %d parts. Really send? "
- (length nstruct)))))
+ (not (message-options-get 'multipart))
+ (not (and (y-or-n-p (format "\
+A message part needs to be split into %d charset parts. Really send? "
+ (length nstruct)))
+ (message-options-set 'multipart t))))
(error "Edit your message to use only one charset"))
(setq struct (nconc nstruct struct)))))))
(unless (eobp)
(forward-line 1))
(nreverse struct)))
-(defun mml-parse-singlepart-with-multiple-charsets
+(defun mml-parse-singlepart-with-multiple-charsets
(orig-tag beg end &optional use-ascii)
(save-excursion
(save-restriction
(defun mml-read-tag ()
"Read a tag and return the contents."
- (let (contents name elem val)
+ (let ((orig-point (point))
+ contents name elem val)
(forward-char 2)
(setq name (buffer-substring-no-properties
(point) (progn (forward-sexp 1) (point))))
(goto-char (match-end 0))
;; Don't skip the leading space.
;;(skip-chars-forward " \t\n")
+ ;; Put the tag location into the returned contents
+ (setq contents (append (list (cons 'tag-location orig-point)) contents))
(cons (intern name) (nreverse contents))))
+(defun mml-buffer-substring-no-properties-except-hard-newlines (start end)
+ (let ((str (buffer-substring-no-properties start end))
+ (bufstart start) tmp)
+ (while (setq tmp (text-property-any start end 'hard 't))
+ (set-text-properties (- tmp bufstart) (- tmp bufstart -1)
+ '(hard t) str)
+ (setq start (1+ tmp)))
+ str))
+
(defun mml-read-part (&optional mml)
"Return the buffer up till the next part, multipart or closing part or multipart.
If MML is non-nil, return the buffer up till the correspondent mml tag."
(if (re-search-forward "<#\\(/\\)?mml." nil t)
(setq count (+ count (if (match-beginning 1) -1 1)))
(goto-char (point-max))))
- (buffer-substring-no-properties beg (if (> count 0)
- (point)
- (match-beginning 0))))
+ (mml-buffer-substring-no-properties-except-hard-newlines
+ beg (if (> count 0)
+ (point)
+ (match-beginning 0))))
(if (re-search-forward
"<#\\(/\\)?\\(multipart\\|part\\|external\\|mml\\)." nil t)
(prog1
- (buffer-substring-no-properties beg (match-beginning 0))
+ (mml-buffer-substring-no-properties-except-hard-newlines
+ beg (match-beginning 0))
(if (or (not (match-beginning 1))
(equal (match-string 2) "multipart"))
(goto-char (match-beginning 0))
(when (looking-at "[ \t]*\n")
(forward-line 1))))
- (buffer-substring-no-properties beg (goto-char (point-max)))))))
+ (mml-buffer-substring-no-properties-except-hard-newlines
+ beg (goto-char (point-max)))))))
(defvar mml-boundary nil)
(defvar mml-base-boundary "-=-=")
(buffer-string)))))
(defun mml-generate-mime-1 (cont)
- (let ((mm-use-ultra-safe-encoding
+ (let ((mm-use-ultra-safe-encoding
(or mm-use-ultra-safe-encoding (assq 'sign cont))))
(save-restriction
(narrow-to-region (point) (point))
+ (mml-tweak-part cont)
(cond
((or (eq (car cont) 'part) (eq (car cont) 'mml))
(let ((raw (cdr (assq 'raw cont)))
- coded encoding charset filename type)
+ coded encoding charset filename type flowed)
(setq type (or (cdr (assq 'type cont)) "text/plain"))
(if (and (not raw)
(member (car (split-string type "/")) '("text" "message")))
- (with-temp-buffer
- (setq charset (mm-charset-to-coding-system
- (cdr (assq 'charset cont))))
- (if (eq charset 'ascii) (setq charset nil))
- (cond
- ((cdr (assq 'buffer cont))
- (insert-buffer-substring (cdr (assq 'buffer cont))))
- ((and (setq filename (cdr (assq 'filename cont)))
- (not (equal (cdr (assq 'nofile cont)) "yes")))
- (let ((coding-system-for-read charset))
- (mm-insert-file-contents filename)))
- ((eq 'mml (car cont))
- (insert (cdr (assq 'contents cont))))
- (t
- (save-restriction
- (narrow-to-region (point) (point))
- (insert (cdr (assq 'contents cont)))
- ;; Remove quotes from quoted tags.
- (goto-char (point-min))
- (while (re-search-forward
- "<#!+/?\\(part\\|multipart\\|external\\|mml\\)" nil t)
- (delete-region (+ (match-beginning 0) 2)
- (+ (match-beginning 0) 3))))))
- (cond
- ((eq (car cont) 'mml)
- (let ((mml-boundary (funcall mml-boundary-function
- (incf mml-multipart-number)))
- (mml-generate-default-type "text/plain"))
- (mml-to-mime))
- (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b")))
- ;; ignore 0x1b, it is part of iso-2022-jp
- (setq encoding (mm-body-7-or-8))))
- ((string= (car (split-string type "/")) "message")
- (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b")))
- ;; ignore 0x1b, it is part of iso-2022-jp
- (setq encoding (mm-body-7-or-8))))
- (t
- (setq charset (mm-encode-body charset))
- (setq encoding (mm-body-encoding
- charset (cdr (assq 'encoding cont))))))
- (setq coded (buffer-string)))
+ (progn
+ (with-temp-buffer
+ (setq charset (mm-charset-to-coding-system
+ (cdr (assq 'charset cont))))
+ (when (eq charset 'ascii)
+ (setq charset nil))
+ (cond
+ ((cdr (assq 'buffer cont))
+ (insert-buffer-substring (cdr (assq 'buffer cont))))
+ ((and (setq filename (cdr (assq 'filename cont)))
+ (not (equal (cdr (assq 'nofile cont)) "yes")))
+ (let ((coding-system-for-read charset))
+ (mm-insert-file-contents filename)))
+ ((eq 'mml (car cont))
+ (insert (cdr (assq 'contents cont))))
+ (t
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (insert (cdr (assq 'contents cont)))
+ ;; Remove quotes from quoted tags.
+ (goto-char (point-min))
+ (while (re-search-forward
+ "<#!+/?\\(part\\|multipart\\|external\\|mml\\)"
+ nil t)
+ (delete-region (+ (match-beginning 0) 2)
+ (+ (match-beginning 0) 3))))))
+ (cond
+ ((eq (car cont) 'mml)
+ (let ((mml-boundary (funcall mml-boundary-function
+ (incf mml-multipart-number)))
+ (mml-generate-default-type "text/plain"))
+ (mml-to-mime))
+ (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b")))
+ ;; ignore 0x1b, it is part of iso-2022-jp
+ (setq encoding (mm-body-7-or-8))))
+ ((string= (car (split-string type "/")) "message")
+ (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b")))
+ ;; ignore 0x1b, it is part of iso-2022-jp
+ (setq encoding (mm-body-7-or-8))))
+ (t
+ ;; Only perform format=flowed filling on text/plain
+ ;; parts where there either isn't a format parameter
+ ;; in the mml tag or it says "flowed" and there
+ ;; actually are hard newlines in the text.
+ (let (use-hard-newlines)
+ (when (and (string= type "text/plain")
+ (or (null (assq 'format cont))
+ (string= (cdr (assq 'format cont))
+ "flowed"))
+ (setq use-hard-newlines
+ (text-property-any
+ (point-min) (point-max) 'hard 't)))
+ (fill-flowed-encode)
+ ;; Indicate that `mml-insert-mime-headers' should
+ ;; insert a "; format=flowed" string unless the
+ ;; user has already specified it.
+ (setq flowed (null (assq 'format cont)))))
+ (setq charset (mm-encode-body charset))
+ (setq encoding (mm-body-encoding
+ charset (cdr (assq 'encoding cont))))))
+ (setq coded (buffer-string)))
+ (mml-insert-mime-headers cont type charset encoding flowed)
+ (insert "\n")
+ (insert coded))
(mm-with-unibyte-buffer
(cond
((cdr (assq 'buffer cont))
(t
(insert (cdr (assq 'contents cont)))))
(setq encoding (mm-encode-buffer type)
- coded (buffer-string))))
- (mml-insert-mime-headers cont type charset encoding)
- (insert "\n")
- (insert coded)))
+ coded (mm-string-as-multibyte (buffer-string))))
+ (mml-insert-mime-headers cont type charset encoding nil)
+ (insert "\n")
+ (mm-with-unibyte-current-buffer
+ (insert coded)))))
((eq (car cont) 'external)
(insert "Content-Type: message/external-body")
(let ((parameters (mml-parameter-string
(concat "access-type="
(if (member (nth 0 name) '("ftp@" "anonymous@"))
"anon-ftp"
- "ftp")))))
+ "ftp")))))
(when url
(mml-insert-parameter
(mail-header-encode-parameter "url" url)
(insert "\n--" mml-boundary "--\n")))))
(t
(error "Invalid element: %S" cont)))
- (let ((item (assoc (cdr (assq 'sign cont)) mml-sign-alist))
- sender recipients)
- (when item
- (if (setq sender (cdr (assq 'sender cont)))
- (message-options-set 'message-sender sender))
- (if (setq recipients (cdr (assq 'recipients cont)))
- (message-options-set 'message-sender recipients))
- (funcall (nth 1 item) cont)))
- (let ((item (assoc (cdr (assq 'encrypt cont)) mml-encrypt-alist))
+ ;; handle sign & encrypt tags in a semi-smart way.
+ (let ((sign-item (assoc (cdr (assq 'sign cont)) mml-sign-alist))
+ (encrypt-item (assoc (cdr (assq 'encrypt cont))
+ mml-encrypt-alist))
sender recipients)
- (when item
- (if (setq sender (cdr (assq 'sender cont)))
- (message-options-set 'message-sender sender))
+ (when (or sign-item encrypt-item)
+ (when (setq sender (cdr (assq 'sender cont)))
+ (message-options-set 'mml-sender sender)
+ (message-options-set 'message-sender sender))
(if (setq recipients (cdr (assq 'recipients cont)))
- (message-options-set 'message-sender recipients))
- (funcall (nth 1 item) cont))))))
+ (message-options-set 'message-recipients recipients))
+ (let ((style (mml-signencrypt-style (first (or sign-item encrypt-item)))))
+ ;; check if: we're both signing & encrypting, both methods
+ ;; are the same (why would they be different?!), and that
+ ;; the signencrypt style allows for combined operation.
+ (if (and sign-item encrypt-item (equal (first sign-item)
+ (first encrypt-item))
+ (equal style 'combined))
+ (funcall (nth 1 encrypt-item) cont t)
+ ;; otherwise, revert to the old behavior.
+ (when sign-item
+ (funcall (nth 1 sign-item) cont))
+ (when encrypt-item
+ (funcall (nth 1 encrypt-item) cont)))))))))
(defun mml-compute-boundary (cont)
"Return a unique boundary that does not exist in CONT."
"")
mml-base-boundary))
-(defun mml-insert-mime-headers (cont type charset encoding)
+(defun mml-insert-mime-headers (cont type charset encoding flowed)
(let (parameters disposition description)
(setq parameters
(mml-parameter-string
- cont '(name access-type expiration size permission)))
+ cont mml-content-type-parameters))
(when (or charset
parameters
- (not (equal type mml-generate-default-type)))
+ flowed
+ (not (equal type mml-generate-default-type))
+ mml-insert-mime-headers-always)
(when (consp charset)
(error
- "Can't encode a part with several charsets."))
+ "Can't encode a part with several charsets"))
(insert "Content-Type: " type)
(when charset
(insert "; " (mail-header-encode-parameter
"charset" (symbol-name charset))))
+ (when flowed
+ (insert "; format=flowed"))
(when parameters
(mml-insert-parameter-string
- cont '(name access-type expiration size permission)))
+ cont mml-content-type-parameters))
(insert "\n"))
(setq parameters
(mml-parameter-string
- cont '(filename creation-date modification-date read-date)))
+ cont mml-content-disposition-parameters))
(when (or (setq disposition (cdr (assq 'disposition cont)))
parameters)
(insert "Content-Disposition: " (or disposition "inline"))
(when parameters
(mml-insert-parameter-string
- cont '(filename creation-date modification-date read-date)))
+ cont mml-content-disposition-parameters))
(insert "\n"))
(unless (eq encoding '7bit)
(insert (format "Content-Transfer-Encoding: %s\n" encoding)))
;; Remove them, they are confusing.
(message-remove-header "Content-Type")
(message-remove-header "MIME-Version")
+ (message-remove-header "Content-Disposition")
(message-remove-header "Content-Transfer-Encoding")))
(defun mml-to-mime ()
(message-encode-message-body)
(save-restriction
(message-narrow-to-headers-or-head)
+ ;; Skip past any From_ headers.
+ (while (looking-at "From ")
+ (forward-line 1))
(let ((mail-parse-charset message-default-charset))
(mail-encode-encoded-word-buffer))))
(save-excursion
(set-buffer (setq buffer (mml-generate-new-buffer " *mml*")))
(mm-insert-part handle)
- (if (setq mmlp (equal (mm-handle-media-type handle)
+ (if (setq mmlp (equal (mm-handle-media-type handle)
"message/rfc822"))
(mime-to-mml)))))
(if mmlp
(equal (mm-handle-media-type handle) "text/plain"))
(mml-insert-mml-markup handle buffer textp)))
(cond
- (mmlp
- (insert-buffer buffer)
+ (mmlp
+ (insert-buffer-substring buffer)
(goto-char (point-max))
(insert "<#/mml>\n"))
((stringp (car handle))
(insert "<#/multipart>\n"))
(textp
(let ((charset (mail-content-type-get
- (mm-handle-type handle) 'charset)))
+ (mm-handle-type handle) 'charset))
+ (start (point)))
(if (eq charset 'gnus-decoded)
(mm-insert-part handle)
- (insert (mm-decode-string (mm-get-part handle) charset))))
+ (insert (mm-decode-string (mm-get-part handle) charset)))
+ (mml-quote-region start (point)))
(goto-char (point-max)))
(t
(insert "<#/part>\n")))))
(defvar mml-mode-map
(let ((sign (make-sparse-keymap))
(encrypt (make-sparse-keymap))
+ (signpart (make-sparse-keymap))
+ (encryptpart (make-sparse-keymap))
(map (make-sparse-keymap))
(main (make-sparse-keymap)))
- (define-key sign "p" 'mml-secure-sign-pgpmime)
- (define-key sign "s" 'mml-secure-sign-smime)
- (define-key encrypt "p" 'mml-secure-encrypt-pgpmime)
- (define-key encrypt "s" 'mml-secure-encrypt-smime)
+ (define-key sign "p" 'mml-secure-message-sign-pgpmime)
+ (define-key sign "o" 'mml-secure-message-sign-pgp)
+ (define-key sign "s" 'mml-secure-message-sign-smime)
+ (define-key signpart "p" 'mml-secure-sign-pgpmime)
+ (define-key signpart "o" 'mml-secure-sign-pgp)
+ (define-key signpart "s" 'mml-secure-sign-smime)
+ (define-key encrypt "p" 'mml-secure-message-encrypt-pgpmime)
+ (define-key encrypt "o" 'mml-secure-message-encrypt-pgp)
+ (define-key encrypt "s" 'mml-secure-message-encrypt-smime)
+ (define-key encryptpart "p" 'mml-secure-encrypt-pgpmime)
+ (define-key encryptpart "o" 'mml-secure-encrypt-pgp)
+ (define-key encryptpart "s" 'mml-secure-encrypt-smime)
+ (define-key map "\C-n" 'mml-unsecure-message)
(define-key map "f" 'mml-attach-file)
(define-key map "b" 'mml-attach-buffer)
(define-key map "e" 'mml-attach-external)
(define-key map "v" 'mml-validate)
(define-key map "P" 'mml-preview)
(define-key map "s" sign)
+ (define-key map "S" signpart)
(define-key map "c" encrypt)
+ (define-key map "C" encryptpart)
;;(define-key map "n" 'mml-narrow-to-part)
;; `M-m' conflicts with `back-to-indentation'.
;; (define-key main "\M-m" map)
main))
(easy-menu-define
- mml-menu mml-mode-map ""
- '("MML"
- ("Attach"
- ["File" mml-attach-file t]
- ["Buffer" mml-attach-buffer t]
- ["External" mml-attach-external t])
- ("Insert"
- ["Multipart" mml-insert-multipart t]
- ["Part" mml-insert-part t])
- ("Security"
- ("Sign"
- ["PGP/MIME" mml-secure-sign-pgpmime t]
- ["S/MIME" mml-secure-sign-smime t])
- ("Encrypt"
- ["PGP/MIME" mml-secure-encrypt-pgpmime t]
- ["S/MIME" mml-secure-encrypt-smime t]))
- ;;["Narrow" mml-narrow-to-part t]
- ["Quote" mml-quote-region t]
- ["Validate" mml-validate t]
- ["Preview" mml-preview t]))
+ mml-menu mml-mode-map ""
+ `("Attachments"
+ ["Attach File..." mml-attach-file
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Attach a file at point"))]
+ ["Attach Buffer..." mml-attach-buffer t]
+ ["Attach External..." mml-attach-external t]
+ ["Insert Part..." mml-insert-part t]
+ ["Insert Multipart..." mml-insert-multipart t]
+ ["PGP/MIME Sign" mml-secure-message-sign-pgpmime t]
+ ["PGP/MIME Encrypt" mml-secure-message-encrypt-pgpmime t]
+ ["PGP Sign" mml-secure-message-sign-pgp t]
+ ["PGP Encrypt" mml-secure-message-encrypt-pgp t]
+ ["S/MIME Sign" mml-secure-message-sign-smime t]
+ ["S/MIME Encrypt" mml-secure-message-encrypt-smime t]
+ ("Secure MIME part"
+ ["PGP/MIME Sign Part" mml-secure-sign-pgpmime t]
+ ["PGP/MIME Encrypt Part" mml-secure-encrypt-pgpmime t]
+ ["PGP Sign Part" mml-secure-sign-pgp t]
+ ["PGP Encrypt Part" mml-secure-encrypt-pgp t]
+ ["S/MIME Sign Part" mml-secure-sign-smime t]
+ ["S/MIME Encrypt Part" mml-secure-encrypt-smime t])
+ ["Encrypt/Sign off" mml-unsecure-message t]
+ ;;["Narrow" mml-narrow-to-part t]
+ ["Quote MML" mml-quote-region t]
+ ["Validate MML" mml-validate t]
+ ["Preview" mml-preview t]))
(defvar mml-mode nil
"Minor mode for editing MML.")
(defun mml-mode (&optional arg)
"Minor mode for editing MML.
+MML is the MIME Meta Language, a minor mode for composing MIME articles.
+See Info node `(emacs-mime)Composing'.
\\{mml-mode-map}"
(interactive "P")
;;;
(defun mml-minibuffer-read-file (prompt)
- (let ((file (read-file-name prompt nil nil t)))
+ (let* ((completion-ignored-extensions nil)
+ (file (read-file-name prompt nil nil t)))
;; Prevent some common errors. This is inspired by similar code in
;; VM.
(when (file-directory-p file)
(when value
;; Quote VALUE if it contains suspicious characters.
(when (string-match "[\"'\\~/*;() \t\n]" value)
- (setq value (prin1-to-string value)))
+ (setq value (with-output-to-string
+ (let (print-escape-nonascii)
+ (prin1 value)))))
(insert (format " %s=%s" key value)))))
(insert ">\n"))
(mml-insert-tag 'part 'type type 'disposition "inline")
(forward-line -1))
+(defun mml-preview-insert-mail-followup-to ()
+ "Insert a Mail-Followup-To header before previewing an article.
+Should be adopted if code in `message-send-mail' is changed."
+ (when (and (message-mail-p)
+ (message-subscribed-p)
+ (not (mail-fetch-field "mail-followup-to"))
+ (message-make-mail-followup-to))
+ (message-position-on-field "Mail-Followup-To" "X-Draft-From")
+ (insert (message-make-mail-followup-to))))
+
(defun mml-preview (&optional raw)
"Display current buffer with Gnus, in a new buffer.
If RAW, don't highlight the article."
(interactive "P")
- (let ((buf (current-buffer))
- (message-options message-options)
- (message-posting-charset (or (gnus-setup-posting-charset
- (save-restriction
- (message-narrow-to-headers-or-head)
- (message-fetch-field "Newsgroups")))
- message-posting-charset)))
- (message-options-set-recipient)
- (switch-to-buffer (generate-new-buffer
- (concat (if raw "*Raw MIME preview of "
- "*MIME preview of ") (buffer-name))))
- (erase-buffer)
- (insert-buffer buf)
- (if (re-search-forward
- (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
- (replace-match "\n"))
- (mml-to-mime)
- (if raw
- (when (fboundp 'set-buffer-multibyte)
- (let ((s (buffer-string)))
- ;; Insert the content into unibyte buffer.
- (erase-buffer)
- (mm-disable-multibyte)
- (insert s)))
- (let ((gnus-newsgroup-charset (car message-posting-charset)))
- (run-hooks 'gnus-article-decode-hook)
- (let ((gnus-newsgroup-name "dummy"))
- (gnus-article-prepare-display))))
- (fundamental-mode)
- (setq buffer-read-only t)
- (goto-char (point-min))))
+ (save-excursion
+ (let* ((buf (current-buffer))
+ (message-options message-options)
+ (message-this-is-mail (message-mail-p))
+ (message-this-is-news (message-news-p))
+ (message-posting-charset (or (gnus-setup-posting-charset
+ (save-restriction
+ (message-narrow-to-headers-or-head)
+ (message-fetch-field "Newsgroups")))
+ message-posting-charset)))
+ (message-options-set-recipient)
+ (switch-to-buffer (generate-new-buffer
+ (concat (if raw "*Raw MIME preview of "
+ "*MIME preview of ") (buffer-name))))
+ (erase-buffer)
+ (insert-buffer-substring buf)
+ (mml-preview-insert-mail-followup-to)
+ (let ((message-deletable-headers (if (message-news-p)
+ nil
+ message-deletable-headers)))
+ (message-generate-headers
+ (copy-sequence (if (message-news-p)
+ message-required-news-headers
+ message-required-mail-headers))))
+ (if (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
+ (replace-match "\n"))
+ (let ((mail-header-separator ""));; mail-header-separator is removed.
+ (mml-to-mime))
+ (if raw
+ (when (fboundp 'set-buffer-multibyte)
+ (let ((s (buffer-string)))
+ ;; Insert the content into unibyte buffer.
+ (erase-buffer)
+ (mm-disable-multibyte)
+ (insert s)))
+ (let ((gnus-newsgroup-charset (car message-posting-charset))
+ gnus-article-prepare-hook gnus-original-article-buffer)
+ (run-hooks 'gnus-article-decode-hook)
+ (let ((gnus-newsgroup-name "dummy")
+ (gnus-newsrc-hashtb (or gnus-newsrc-hashtb
+ (gnus-make-hashtable 5))))
+ (gnus-article-prepare-display))))
+ ;; Disable article-mode-map.
+ (use-local-map nil)
+ (gnus-make-local-hook 'kill-buffer-hook)
+ (add-hook 'kill-buffer-hook
+ (lambda ()
+ (mm-destroy-parts gnus-article-mime-handles)) nil t)
+ (setq buffer-read-only t)
+ (local-set-key "q" (lambda () (interactive) (kill-buffer nil)))
+ (local-set-key "=" (lambda () (interactive) (delete-other-windows)))
+ (local-set-key "\r"
+ (lambda ()
+ (interactive)
+ (widget-button-press (point))))
+ (local-set-key gnus-mouse-2
+ (lambda (event)
+ (interactive "@e")
+ (widget-button-press (widget-event-point event) event)))
+ (goto-char (point-min)))))
(defun mml-validate ()
"Validate the current MML document."
(interactive)
(mml-parse))
+(defun mml-tweak-part (cont)
+ "Tweak a MML part."
+ (let ((tweak (cdr (assq 'tweak cont)))
+ func)
+ (cond
+ (tweak
+ (setq func
+ (or (cdr (assoc tweak mml-tweak-function-alist))
+ (intern tweak))))
+ (mml-tweak-type-alist
+ (let ((alist mml-tweak-type-alist)
+ (type (or (cdr (assq 'type cont)) "text/plain")))
+ (while alist
+ (if (string-match (caar alist) type)
+ (setq func (cdar alist)
+ alist nil)
+ (setq alist (cdr alist)))))))
+ (if func
+ (funcall func cont)
+ cont)
+ (let ((alist mml-tweak-sexp-alist))
+ (while alist
+ (if (eval (caar alist))
+ (funcall (cdar alist) cont))
+ (setq alist (cdr alist)))))
+ cont)
+
+(defun mml-tweak-externalize-attachments (cont)
+ "Tweak attached files as external parts."
+ (let (filename-cons)
+ (when (and (eq (car cont) 'part)
+ (not (cdr (assq 'buffer cont)))
+ (and (setq filename-cons (assq 'filename cont))
+ (not (equal (cdr (assq 'nofile cont)) "yes"))))
+ (setcar cont 'external)
+ (setcar filename-cons 'name))))
+
(provide 'mml)
;;; mml.el ends here
projects / gnus / blobdiff