;;; mm-view.el --- functions for viewing MIME objects
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003,
-;; 2004 Free Software Foundation, Inc.
+
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+;; 2005, 2006 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
;; 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., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(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"))
+ (autoload 'html2text "html2text" nil t))
+
+(defvar gnus-article-mime-handles)
+(defvar gnus-newsgroup-charset)
+(defvar smime-keys)
+(defvar w3m-cid-retrieve-function-alist)
+(defvar w3m-current-buffer)
+(defvar w3m-display-inline-images)
+(defvar w3m-minor-mode-map)
(defvar mm-text-html-renderer-alist
'((w3 . mm-inline-text-html-render-with-w3)
(w3m . mm-inline-text-html-render-with-w3m)
- (w3m-standalone mm-inline-render-with-stdin nil
- "w3m" "-dump" "-T" "text/html")
+ (w3m-standalone . mm-inline-text-html-render-with-w3m-standalone)
(links mm-inline-render-with-file
mm-links-remove-leading-blank
"links" "-dump" file)
(defvar mm-text-html-washer-alist
'((w3 . gnus-article-wash-html-with-w3)
(w3m . gnus-article-wash-html-with-w3m)
- (w3m-standalone mm-inline-wash-with-stdin nil
- "w3m" "-dump" "-T" "text/html")
+ (w3m-standalone . gnus-article-wash-html-with-w3m-standalone)
(links mm-inline-wash-with-file
mm-links-remove-leading-blank
"links" "-dump" file)
(defcustom mm-fill-flowed t
"If non-nil a format=flowed article will be displayed flowed."
:type 'boolean
+ :version "22.1"
:group 'mime-display)
;;; Internal variables.
(let ((b (point-marker))
buffer-read-only)
(put-image (mm-get-image handle) b)
+ (insert "\n\n")
(mm-handle-set-undisplayer
handle
`(lambda ()
(setq w3m-display-inline-images mm-inline-text-html-with-images))
(defun mm-w3m-cid-retrieve-1 (url handle)
- (if (mm-multiple-handles handle)
- (dolist (elem handle)
- (mm-w3m-cid-retrieve-1 url elem))
- (when (and (listp handle)
- (equal url (mm-handle-id handle)))
- (mm-insert-part handle)
- (throw 'found-handle (mm-handle-media-type handle)))))
+ (dolist (elem handle)
+ (when (consp elem)
+ (when (equal url (mm-handle-id elem))
+ (mm-insert-part elem)
+ (throw 'found-handle (mm-handle-media-type elem)))
+ (when (and (stringp (car elem))
+ (equal "multipart" (mm-handle-media-supertype elem)))
+ (mm-w3m-cid-retrieve-1 url elem)))))
(defun mm-w3m-cid-retrieve (url &rest args)
"Insert a content pointed by URL if it has the cid: scheme."
(when (string-match "\\`cid:" url)
- (catch 'found-handle
- (mm-w3m-cid-retrieve-1 (concat "<" (substring url (match-end 0)) ">")
- (with-current-buffer w3m-current-buffer
- gnus-article-mime-handles)))))
+ (or (catch 'found-handle
+ (mm-w3m-cid-retrieve-1
+ (setq url (concat "<" (substring url (match-end 0)) ">"))
+ (with-current-buffer w3m-current-buffer
+ gnus-article-mime-handles)))
+ (prog1
+ nil
+ (message "Failed to find \"Content-ID: %s\"" url)))))
(defun mm-inline-text-html-render-with-w3m (handle)
"Render a text/html part using emacs-w3m."
(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))))
- (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)))
- (delete-region ,(point-min-marker)
- ,(point-max-marker))))))))
+ 'mm-inline-text-html-with-w3m t)))
+ (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)))
+ (delete-region ,(point-min-marker)
+ ,(point-max-marker)))))))))
+
+(defvar mm-w3m-standalone-supports-m17n-p (if (featurep 'mule) 'undecided)
+ "*T means the w3m command supports the m17n feature.")
+
+(defun mm-w3m-standalone-supports-m17n-p ()
+ "Say whether the w3m command supports the m17n feature."
+ (cond ((eq mm-w3m-standalone-supports-m17n-p t) t)
+ ((eq mm-w3m-standalone-supports-m17n-p nil) nil)
+ ((not (featurep 'mule)) (setq mm-w3m-standalone-supports-m17n-p nil))
+ ((condition-case nil
+ (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)))
+ (mm-with-multibyte-buffer
+ (insert str)
+ (call-process-region
+ (point-min) (point-max) "w3m" t t nil "-dump"
+ "-T" "text/html" "-I" "iso-2022-jp" "-O" "iso-2022-jp")
+ (goto-char (point-min))
+ (search-forward str nil t)))
+ (error nil))
+ (setq mm-w3m-standalone-supports-m17n-p t))
+ (t
+ ;;(message "You had better upgrade your w3m command")
+ (setq mm-w3m-standalone-supports-m17n-p nil))))
+
+(defun mm-inline-text-html-render-with-w3m-standalone (handle)
+ "Render a text/html part using w3m."
+ (if (mm-w3m-standalone-supports-m17n-p)
+ (let ((source (mm-get-part handle))
+ (charset (mail-content-type-get (mm-handle-type handle) 'charset))
+ cs)
+ (unless (and charset
+ (setq cs (mm-charset-to-coding-system charset))
+ (not (eq cs 'ascii)))
+ ;; The default.
+ (setq charset "iso-8859-1"
+ cs 'iso-8859-1))
+ (mm-insert-inline
+ handle
+ (mm-with-unibyte-buffer
+ (insert source)
+ (mm-enable-multibyte)
+ (let ((coding-system-for-write 'binary)
+ (coding-system-for-read cs))
+ (call-process-region
+ (point-min) (point-max)
+ "w3m" t t nil "-dump" "-T" "text/html"
+ "-I" charset "-O" charset))
+ (buffer-string))))
+ (mm-inline-render-with-stdin handle nil "w3m" "-dump" "-T" "text/html")))
(defun mm-links-remove-leading-blank ()
;; Delete the annoying three spaces preceding each line of links
(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))
- (set-text-properties (point-min) (point-max) nil)
(when (or (equal type "enriched")
(equal type "richtext"))
+ (set-text-properties (point-min) (point-max) nil)
(ignore-errors
(enriched-decode (point-min) (point-max))))
(mm-handle-set-undisplayer
"Insert TEXT inline from HANDLE."
(let ((b (point)))
(insert text)
+ (unless (bolp)
+ (insert "\n"))
(mm-handle-set-undisplayer
handle
`(lambda ()
;; disable prepare hook
gnus-article-prepare-hook
(gnus-newsgroup-charset
- (or charset gnus-newsgroup-charset)))
+ (unless (eq charset 'gnus-decoded) ;; mm-uu might set it.
+ (or charset gnus-newsgroup-charset))))
(let ((gnus-original-article-buffer (mm-handle-buffer handle)))
(run-hooks 'gnus-article-decode-hook))
(gnus-article-prepare-display)
(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)
- (funcall mode)
- (require 'font-lock)
- (let ((font-lock-verbose nil))
- ;; I find font-lock a bit too verbose.
- (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 (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)))
(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
(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)
(defun mm-view-pkcs7-decrypt (handle)
(cadar smime-keys)
(smime-get-key-by-email
(completing-read
- (concat "Decipher using which key? "
- (if smime-keys (concat "(default " (caar smime-keys) ") ")
- ""))
+ (concat "Decipher using key"
+ (if smime-keys (concat "(default " (caar smime-keys) "): ")
+ ": "))
smime-keys nil nil nil nil (car-safe (car-safe smime-keys))))))
(goto-char (point-min))
(while (search-forward "\r\n" nil t)
projects / gnus / blobdiff