;;; mml.el --- A package for parsing and validating MML documents
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002 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.
(eval-and-compile
(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-mark-active-p "message")
(autoload 'fill-flowed-encode "flow-fill")
- (autoload 'message-posting-charset "message"))
+ (autoload 'message-posting-charset "message")
+ (autoload 'x-dnd-get-local-file-name "x-dnd"))
(defcustom mml-content-type-parameters
'(name access-type expiration size permission format)
: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
(defvar mml-tweak-sexp-alist
'((mml-externalize-attachments . mml-tweak-externalize-attachments))
"A list of (SEXP . FUNCTION) for tweaking MML parts.
-SEXP is a s-expression. If the evaluation of SEXP is non-nil, FUNCTION
+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.")
(defun mml-destroy-buffers ()
(let (kill-buffer-hook)
- (mapcar 'kill-buffer mml-buffer-list)
+ (mapc 'kill-buffer mml-buffer-list)
(setq mml-buffer-list nil)))
(defun mml-parse ()
"Parse the current buffer as an MML document."
(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)))))
+ (with-syntax-table mml-syntax-table
+ (mml-parse-1))))
(defun mml-parse-1 ()
"Parse the current buffer as an MML document."
(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)
+ (if (re-search-forward
+ "<#/?\\(multipart\\|part\\|external\\|mml\\)." nil t)
(setq secure-mode "multipart")
(setq secure-mode "part")))
(save-excursion
(setq tags (list "sign" method "encrypt" method))))
(eval `(mml-insert-tag ,secure-mode
,@tags
- ,(if recipients 'recipients)
- ,recipients))
+ ,(if recipients "recipients")
+ ,recipients
+ ,(if sender "sender")
+ ,sender))
;; restart the parse
(goto-char location)))
((looking-at "<#multipart")
(if (or (memq 'unknown-encoding mml-confirmation-set)
(message-options-get 'unknown-encoding)
(and (y-or-n-p "\
-Message contains characters with unknown encoding. Really send?")
+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)
(message-options-get 'use-ascii)
- (and (y-or-n-p "Use ASCII as charset?")
+ (and (y-or-n-p "Use ASCII as charset? ")
(message-options-set 'use-ascii t))))
(setq charsets (delq nil charsets))
(setq warn nil))
"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."
(let ((beg (point)) (count 1))
- ;; If the tag ended at the end of the line, we go to the next line.
+ ;; If the tag ended at the end of the line, we go to the next line.
(when (looking-at "[ \t]*\n")
(forward-line 1))
(if mml
(+ (match-beginning 0) 3))))))
(cond
((eq (car cont) 'mml)
- (let ((mml-boundary (funcall mml-boundary-function
- (incf mml-multipart-number)))
+ (let ((mml-boundary (mml-compute-boundary cont))
(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))))
(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")
+ (not (string= (cdr (assq 'sign cont)) "pgp"))
+ (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))))))
- ;; 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 coded (buffer-string)))
(mml-insert-mime-headers cont type charset encoding flowed)
(insert "\n")
(funcall (cdr handler) cont)
;; No specific handler. Use default one.
(let ((mml-boundary (mml-compute-boundary cont)))
- (insert (format "Content-Type: multipart/%s; boundary=\"%s\"\n"
- type mml-boundary))
+ (insert (format "Content-Type: multipart/%s; boundary=\"%s\""
+ type mml-boundary)
+ (if (cdr (assq 'start cont))
+ (format "; start=\"%s\"\n" (cdr (assq 'start cont)))
+ "\n"))
(let ((cont cont) part)
(while (setq part (pop cont))
;; Skip `multipart' and attributes.
mml-encrypt-alist))
sender recipients)
(when (or sign-item encrypt-item)
- (if (setq sender (cdr (assq 'sender cont)))
- (message-options-set 'message-sender sender))
+ (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-recipients recipients))
- (let ((style (mml-signencrypt-style (first encrypt-item))))
+ (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.
(insert-buffer-substring (cdr (assq 'buffer cont))))
((and (setq filename (cdr (assq 'filename cont)))
(not (equal (cdr (assq 'nofile cont)) "yes")))
- (mm-insert-file-contents filename))
+ (mm-insert-file-contents filename nil nil nil nil t))
(t
(insert (cdr (assq 'contents cont)))))
(goto-char (point-min))
(incf mml-multipart-number)))
(throw 'not-unique nil))))
((eq (car cont) 'multipart)
- (mapcar 'mml-compute-boundary-1 (cddr cont))))
+ (mapc 'mml-compute-boundary-1 (cddr cont))))
t))
(defun mml-make-boundary (number)
mml-base-boundary))
(defun mml-insert-mime-headers (cont type charset encoding flowed)
- (let (parameters disposition description)
+ (let (parameters id disposition description)
(setq parameters
(mml-parameter-string
cont mml-content-type-parameters))
(when (or charset
parameters
flowed
- (not (equal type mml-generate-default-type)))
+ (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
(mml-insert-parameter-string
cont mml-content-type-parameters))
(insert "\n"))
+ (when (setq id (cdr (assq 'id cont)))
+ (insert "Content-ID: " id "\n"))
(setq parameters
(mml-parameter-string
cont mml-content-disposition-parameters))
(mml-insert-mml-markup handle buffer textp)))
(cond
(mmlp
- (insert-buffer buffer)
+ (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")))))
(defun mml-insert-mml-markup (handle &optional buffer nofile mmlp)
"Take a MIME handle and insert an MML tag."
(if (stringp (car handle))
- (insert "<#multipart type=" (mm-handle-media-subtype handle)
- ">\n")
+ (progn
+ (insert "<#multipart type=" (mm-handle-media-subtype handle))
+ (let ((start (mm-handle-multipart-ctl-parameter handle 'start)))
+ (when start
+ (insert " start=\"" start "\"")))
+ (insert ">\n"))
(if mmlp
(insert "<#mml type=" (mm-handle-media-type handle))
(insert "<#part type=" (mm-handle-media-type handle)))
(cdr (mm-handle-disposition handle))))
(unless (symbolp (cdr elem))
(insert " " (symbol-name (car elem)) "=\"" (cdr elem) "\"")))
+ (when (mm-handle-id handle)
+ (insert " id=\"" (mm-handle-id handle) "\""))
(when (mm-handle-disposition handle)
(insert " disposition=" (car (mm-handle-disposition handle))))
(when buffer
(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-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 "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)
(easy-menu-define
mml-menu mml-mode-map ""
`("Attachments"
- ["Attach File" mml-attach-file
+ ["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]
+ ["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]