;;; mm-view.el --- functions for viewing MIME objects
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+;; 2007, 2008, 2009 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs 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 2, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs 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
+;; 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 GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
-
+(eval-and-compile
+ (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
(eval-when-compile (require 'cl))
(require 'mail-parse)
(require 'mailcap)
(require 'mm-bodies)
(require 'mm-decode)
+(require 'smime)
-(eval-and-compile
- (autoload 'gnus-article-prepare-display "gnus-art")
- (autoload 'vcard-parse-string "vcard")
- (autoload 'vcard-format-string "vcard")
- (autoload 'fill-flowed "flow-fill")
- (autoload 'html2text "html2text" nil t)
- (unless (fboundp 'diff-mode)
- (autoload 'diff-mode "diff-mode" "" t nil)))
+(autoload 'gnus-article-prepare-display "gnus-art")
+(autoload 'vcard-parse-string "vcard")
+(autoload 'vcard-format-string "vcard")
+(autoload 'fill-flowed "flow-fill")
+(autoload 'html2text "html2text" nil t)
(defvar gnus-article-mime-handles)
(defvar gnus-newsgroup-charset)
"The attributes of washer types for text/html.")
(defcustom mm-fill-flowed t
- "If non-nil an format=flowed article will be displayed flowed."
+ "If non-nil a format=flowed article will be displayed flowed."
:type 'boolean
:version "22.1"
:group 'mime-display)
(defun mm-inline-image-emacs (handle)
(let ((b (point-marker))
- buffer-read-only)
+ (inhibit-read-only t))
(put-image (mm-get-image handle) b)
(insert "\n\n")
(mm-handle-set-undisplayer
handle
`(lambda ()
(let ((b ,b)
- buffer-read-only)
+ (inhibit-read-only t))
(remove-images b b)
(delete-region b (+ b 2)))))))
(defun mm-inline-image-xemacs (handle)
- (insert "\n\n")
- (forward-char -2)
- (let ((annot (make-annotation (mm-get-image handle) nil 'text))
- buffer-read-only)
- (mm-handle-set-undisplayer
- handle
- `(lambda ()
- (let ((b ,(point-marker))
- buffer-read-only)
- (delete-annotation ,annot)
- (delete-region (- b 2) b))))
- (set-extent-property annot 'mm t)
- (set-extent-property annot 'duplicable t)))
+ (when (featurep 'xemacs)
+ (insert "\n\n")
+ (forward-char -2)
+ (let ((annot (make-annotation (mm-get-image handle) nil 'text))
+ (inhibit-read-only t))
+ (mm-handle-set-undisplayer
+ handle
+ `(lambda ()
+ (let ((b ,(point-marker))
+ (inhibit-read-only t))
+ (delete-annotation ,annot)
+ (delete-region (- b 2) b))))
+ (set-extent-property annot 'mm t)
+ (set-extent-property annot 'duplicable t))))
(eval-and-compile
(if (featurep 'xemacs)
(defalias 'mm-inline-image 'mm-inline-image-xemacs)
(defalias 'mm-inline-image 'mm-inline-image-emacs)))
+;; External.
+(declare-function w3-do-setup "ext:w3" ())
+(declare-function w3-region "ext:w3-display" (st nd))
+(declare-function w3-prepare-buffer "ext:w3-display" (&rest args))
+
(defvar mm-w3-setup nil)
(defun mm-setup-w3 ()
(unless mm-w3-setup
(charset (mail-content-type-get
(mm-handle-type handle) 'charset)))
(save-excursion
- (insert text)
+ (insert (if charset (mm-decode-string text charset) text))
(save-restriction
(narrow-to-region b (point))
- (goto-char (point-min))
- (if (or (and (boundp 'w3-meta-content-type-charset-regexp)
- (re-search-forward
- w3-meta-content-type-charset-regexp nil t))
- (and (boundp 'w3-meta-charset-content-type-regexp)
- (re-search-forward
- w3-meta-charset-content-type-regexp nil t)))
+ (unless charset
+ (goto-char (point-min))
+ (when (or (and (boundp 'w3-meta-content-type-charset-regexp)
+ (re-search-forward
+ w3-meta-content-type-charset-regexp nil t))
+ (and (boundp 'w3-meta-charset-content-type-regexp)
+ (re-search-forward
+ w3-meta-charset-content-type-regexp nil t)))
(setq charset
- (or (let ((bsubstr (buffer-substring-no-properties
- (match-beginning 2)
- (match-end 2))))
- (if (fboundp 'w3-coding-system-for-mime-charset)
- (w3-coding-system-for-mime-charset bsubstr)
- (mm-charset-to-coding-system bsubstr)))
- charset)))
- (delete-region (point-min) (point-max))
- (insert (mm-decode-string text charset))
+ (let ((bsubstr (buffer-substring-no-properties
+ (match-beginning 2)
+ (match-end 2))))
+ (if (fboundp 'w3-coding-system-for-mime-charset)
+ (w3-coding-system-for-mime-charset bsubstr)
+ (mm-charset-to-coding-system bsubstr))))
+ (delete-region (point-min) (point-max))
+ (insert (mm-decode-string text charset))))
(save-window-excursion
(save-restriction
(let ((w3-strict-width width)
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
- (if (functionp 'remove-specifier)
- (mapcar (lambda (prop)
- (remove-specifier
- (face-property 'default prop)
- (current-buffer)))
- '(background background-pixmap foreground)))
+ (let ((inhibit-read-only t))
+ ,@(if (functionp 'remove-specifier)
+ '((dolist (prop '(background background-pixmap foreground))
+ (remove-specifier
+ (face-property 'default prop)
+ (current-buffer)))))
(delete-region ,(point-min-marker)
,(point-max-marker)))))))))
(defvar mm-w3m-setup nil
"Whether gnus-article-mode has been setup to use emacs-w3m.")
+;; External.
+(declare-function w3m-detect-meta-charset "ext:w3m" ())
+(declare-function w3m-region "ext:w3m" (start end &optional url charset))
+
(defun mm-setup-w3m ()
"Setup gnus-article-mode to use emacs-w3m."
(unless mm-w3m-setup
(let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
w3m-force-redisplay)
(w3m-region (point-min) (point-max) nil charset))
+ ;; Put the mark meaning this part was rendered by emacs-w3m.
+ (put-text-property (point-min) (point-max)
+ 'mm-inline-text-html-with-w3m t)
(when (and mm-inline-text-html-with-w3m-keymap
(boundp 'w3m-minor-mode-map)
w3m-minor-mode-map)
- (add-text-properties
- (point-min) (point-max)
- (list 'keymap w3m-minor-mode-map
- ;; Put the mark meaning this part was rendered by emacs-w3m.
- 'mm-inline-text-html-with-w3m t)))
+ (if (and (boundp 'w3m-link-map)
+ w3m-link-map)
+ (let* ((start (point-min))
+ (end (point-max))
+ (on (get-text-property start 'w3m-href-anchor))
+ (map (copy-keymap w3m-link-map))
+ next)
+ (set-keymap-parent map w3m-minor-mode-map)
+ (while (< start end)
+ (if on
+ (progn
+ (setq next (or (text-property-any start end
+ 'w3m-href-anchor nil)
+ end))
+ (put-text-property start next 'keymap map))
+ (setq next (or (text-property-not-all start end
+ 'w3m-href-anchor nil)
+ end))
+ (put-text-property start next 'keymap w3m-minor-mode-map))
+ (setq start next
+ on (not on))))
+ (put-text-property (point-min) (point-max)
+ 'keymap w3m-minor-mode-map)))
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
- (if (functionp 'remove-specifier)
- (mapcar (lambda (prop)
- (remove-specifier
- (face-property 'default prop)
- (current-buffer)))
- '(background background-pixmap foreground)))
+ (let ((inhibit-read-only t))
(delete-region ,(point-min-marker)
,(point-max-marker)))))))))
(let ((coding-system-for-write 'iso-2022-jp)
(coding-system-for-read 'iso-2022-jp)
(str (mm-decode-coding-string "\
-\e$B#D#o#e#s!!#w#3#m!!#s#u#p#p#o#r#t#s!!#m#1#7#n!)\e(B" 'iso-2022-jp)))
+\e$B#D#o#e#s!!#w#3#m!!#s#u#p#p#o#r#t!!#m#1#7#n!)\e(B" 'iso-2022-jp)))
(mm-with-multibyte-buffer
(insert str)
(call-process-region
(defun mm-inline-text-html (handle)
(let* ((func (or mm-inline-text-html-renderer mm-text-html-renderer))
(entry (assq func mm-text-html-renderer-alist))
- buffer-read-only)
+ (inhibit-read-only t))
(if entry
(setq func (cdr entry)))
(cond
(apply (car func) handle (cdr func))))))
(defun mm-inline-text-vcard (handle)
- (let (buffer-read-only)
+ (let ((inhibit-read-only t))
(mm-insert-inline
handle
(concat "\n-- \n"
(type (mm-handle-media-subtype handle))
(charset (mail-content-type-get
(mm-handle-type handle) 'charset))
- buffer-read-only)
+ (inhibit-read-only t))
(if (or (eq charset 'gnus-decoded)
;; This is probably not entirely correct, but
;; makes rfc822 parts with embedded multiparts work.
(save-restriction
(narrow-to-region b (point))
(goto-char b)
- (fill-flowed)
+ (fill-flowed nil (equal (cdr (assoc 'delsp (mm-handle-type handle)))
+ "yes"))
(goto-char (point-max))))
(save-restriction
(narrow-to-region b (point))
- (when (or (equal type "enriched")
- (equal type "richtext"))
- (set-text-properties (point-min) (point-max) nil)
+ (when (member type '("enriched" "richtext"))
+ (set-text-properties (point-min) (point-max) nil)
(ignore-errors
(enriched-decode (point-min) (point-max))))
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
+ (let ((inhibit-read-only t))
(delete-region ,(point-min-marker)
,(point-max-marker))))))))
"Insert TEXT inline from HANDLE."
(let ((b (point)))
(insert text)
+ (unless (bolp)
+ (insert "\n"))
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
- (delete-region ,(set-marker (make-marker) b)
- ,(set-marker (make-marker) (point))))))))
+ (let ((inhibit-read-only t))
+ (delete-region ,(copy-marker b)
+ ,(copy-marker (point))))))))
(defun mm-inline-audio (handle)
(message "Not implemented"))
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
+ (let ((inhibit-read-only t))
(if (fboundp 'remove-specifier)
;; This is only valid on XEmacs.
- (mapcar (lambda (prop)
- (remove-specifier
- (face-property 'default prop) (current-buffer)))
- '(background background-pixmap foreground)))
+ (dolist (prop '(background background-pixmap foreground))
+ (remove-specifier
+ (face-property 'default prop) (current-buffer))))
(delete-region ,(point-min-marker) ,(point-max-marker)))))))))
(defun mm-display-inline-fontify (handle mode)
- (let (text)
+ (let ((charset (mail-content-type-get (mm-handle-type handle) 'charset))
+ text coding-system)
+ (unless (eq charset 'gnus-decoded)
+ (mm-with-unibyte-buffer
+ (mm-insert-part handle)
+ (mm-decompress-buffer
+ (or (mail-content-type-get (mm-handle-disposition handle) 'name)
+ (mail-content-type-get (mm-handle-disposition handle) 'filename))
+ t t)
+ (unless charset
+ (setq coding-system (mm-find-buffer-file-coding-system)))
+ (setq text (buffer-string))))
;; XEmacs @#$@ version of font-lock refuses to fully turn itself
;; on for buffers whose name begins with " ". That's why we use
- ;; save-current-buffer/get-buffer-create rather than
- ;; with-temp-buffer.
- (save-current-buffer
- (set-buffer (generate-new-buffer "*fontification*"))
- (unwind-protect
- (progn
- (buffer-disable-undo)
- (mm-insert-part handle)
- (require 'font-lock)
- (let ((font-lock-maximum-size nil)
- ;; Disable support modes, e.g., jit-lock, lazy-lock, etc.
- (font-lock-mode-hook nil)
- (font-lock-support-mode nil)
- ;; I find font-lock a bit too verbose.
- (font-lock-verbose nil))
- (funcall mode)
- ;; The mode function might have already turned on font-lock.
- (unless (symbol-value 'font-lock-mode)
- (font-lock-fontify-buffer)))
- ;; By default, XEmacs font-lock uses non-duplicable text
- ;; properties. This code forces all the text properties
- ;; to be copied along with the text.
- (when (fboundp 'extent-list)
- (map-extents (lambda (ext ignored)
- (set-extent-property ext 'duplicable t)
- nil)
- nil nil nil nil nil 'text-prop))
- (setq text (buffer-string)))
- (kill-buffer (current-buffer))))
+ ;; `with-current-buffer'/`generate-new-buffer' rather than
+ ;; `with-temp-buffer'.
+ (with-current-buffer (generate-new-buffer "*fontification*")
+ (buffer-disable-undo)
+ (mm-enable-multibyte)
+ (insert (cond ((eq charset 'gnus-decoded)
+ (with-current-buffer (mm-handle-buffer handle)
+ (buffer-string)))
+ (coding-system
+ (mm-decode-coding-string text coding-system))
+ (charset
+ (mm-decode-string text charset))
+ (t
+ text)))
+ (require 'font-lock)
+ (let ((font-lock-maximum-size nil)
+ ;; Disable support modes, e.g., jit-lock, lazy-lock, etc.
+ (font-lock-mode-hook nil)
+ (font-lock-support-mode nil)
+ ;; I find font-lock a bit too verbose.
+ (font-lock-verbose nil))
+ (funcall mode)
+ ;; The mode function might have already turned on font-lock.
+ (unless (symbol-value 'font-lock-mode)
+ (font-lock-fontify-buffer)))
+ ;; By default, XEmacs font-lock uses non-duplicable text
+ ;; properties. This code forces all the text properties
+ ;; to be copied along with the text.
+ (when (featurep 'xemacs)
+ (map-extents (lambda (ext ignored)
+ (set-extent-property ext 'duplicable t)
+ nil)
+ nil nil nil nil nil 'text-prop))
+ (setq text (buffer-string))
+ (kill-buffer (current-buffer)))
(mm-insert-inline handle text)))
;; Shouldn't these functions check whether the user even wants to use
(defun mm-display-elisp-inline (handle)
(mm-display-inline-fontify handle 'emacs-lisp-mode))
+(defun mm-display-dns-inline (handle)
+ (mm-display-inline-fontify handle 'dns-mode))
+
;; id-signedData OBJECT IDENTIFIER ::= { iso(1) member-body(2)
;; us(840) rsadsi(113549) pkcs(1) pkcs7(7) 2 }
(defvar mm-pkcs7-signed-magic
- (mm-string-as-unibyte
- (apply 'concat
- (mapcar 'char-to-string
- (list ?\x30 ?\x5c ?\x28 ?\x80 ?\x5c ?\x7c ?\x81 ?\x2e ?\x5c
- ?\x7c ?\x82 ?\x2e ?\x2e ?\x5c ?\x7c ?\x83 ?\x2e ?\x2e
- ?\x2e ?\x5c ?\x29 ?\x06 ?\x09 ?\x5c ?\x2a ?\x86 ?\x48
- ?\x86 ?\xf7 ?\x0d ?\x01 ?\x07 ?\x02)))))
+ "\x30\x5c\x28\x80\x5c\x7c\x81\x2e\x5c\x7c\x82\x2e\x2e\x5c\x7c\x83\x2e\x2e\
+\x2e\x5c\x29\x06\x09\x5c\x2a\x86\x48\x86\xf7\x0d\x01\x07\x02")
;; id-envelopedData OBJECT IDENTIFIER ::= { iso(1) member-body(2)
;; us(840) rsadsi(113549) pkcs(1) pkcs7(7) 3 }
(defvar mm-pkcs7-enveloped-magic
- (mm-string-as-unibyte
- (apply 'concat
- (mapcar 'char-to-string
- (list ?\x30 ?\x5c ?\x28 ?\x80 ?\x5c ?\x7c ?\x81 ?\x2e ?\x5c
- ?\x7c ?\x82 ?\x2e ?\x2e ?\x5c ?\x7c ?\x83 ?\x2e ?\x2e
- ?\x2e ?\x5c ?\x29 ?\x06 ?\x09 ?\x5c ?\x2a ?\x86 ?\x48
- ?\x86 ?\xf7 ?\x0d ?\x01 ?\x07 ?\x03)))))
+ "\x30\x5c\x28\x80\x5c\x7c\x81\x2e\x5c\x7c\x82\x2e\x2e\x5c\x7c\x83\x2e\x2e\
+\x2e\x5c\x29\x06\x09\x5c\x2a\x86\x48\x86\xf7\x0d\x01\x07\x03")
(defun mm-view-pkcs7-get-type (handle)
(mm-with-unibyte-buffer
(otherwise (error "Unknown or unimplemented PKCS#7 type"))))
(defun mm-view-pkcs7-verify (handle)
- ;; A bogus implementation of PKCS#7. FIXME::
- (mm-insert-part handle)
- (goto-char (point-min))
- (if (search-forward "Content-Type: " nil t)
- (delete-region (point-min) (match-beginning 0)))
- (goto-char (point-max))
- (if (re-search-backward "--\r?\n?" nil t)
- (delete-region (match-end 0) (point-max)))
+ (let ((verified nil))
+ (with-temp-buffer
+ (insert "MIME-Version: 1.0\n")
+ (mm-insert-headers "application/pkcs7-mime" "base64" "smime.p7m")
+ (insert-buffer-substring (mm-handle-buffer handle))
+ (setq verified (smime-verify-region (point-min) (point-max))))
+ (goto-char (point-min))
+ (mm-insert-part handle)
+ (if (search-forward "Content-Type: " nil t)
+ (delete-region (point-min) (match-beginning 0)))
+ (goto-char (point-max))
+ (if (re-search-backward "--\r?\n?" nil t)
+ (delete-region (match-end 0) (point-max)))
+ (unless verified
+ (insert-buffer-substring smime-details-buffer)))
(goto-char (point-min))
(while (search-forward "\r\n" nil t)
(replace-match "\n"))
- (message "Verify signed PKCS#7 message is unimplemented.")
- (sit-for 1)
t)
-(autoload 'gnus-completing-read-maybe-default "gnus-util" nil nil 'macro)
-
(defun mm-view-pkcs7-decrypt (handle)
(insert-buffer-substring (mm-handle-buffer handle))
(goto-char (point-min))
(if (= (length smime-keys) 1)
(cadar smime-keys)
(smime-get-key-by-email
- (gnus-completing-read-maybe-default
+ (completing-read
(concat "Decipher using key"
- (if smime-keys
- (concat " (default " (caar smime-keys) "): ")
+ (if smime-keys (concat "(default " (caar smime-keys) "): ")
": "))
smime-keys nil nil nil nil (car-safe (car-safe smime-keys))))))
(goto-char (point-min))
(provide 'mm-view)
-;;; arch-tag: b60e749a-d05c-47f2-bccd-bdaa59327cb2
+;; arch-tag: b60e749a-d05c-47f2-bccd-bdaa59327cb2
;;; mm-view.el ends here