1 ;;; mm-view.el --- functions for viewing MIME objects
3 ;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
4 ;; 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software: you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation, either version 3 of the License, or
12 ;; (at your option) any later version.
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
26 (unless (fboundp 'declare-function
) (defmacro declare-function
(&rest r
))))
27 (eval-when-compile (require 'cl
))
34 (autoload 'gnus-completing-read
"gnus-util")
35 (autoload 'gnus-window-inside-pixel-edges
"gnus-ems")
36 (autoload 'gnus-article-prepare-display
"gnus-art")
37 (autoload 'vcard-parse-string
"vcard")
38 (autoload 'vcard-format-string
"vcard")
39 (autoload 'fill-flowed
"flow-fill")
40 (autoload 'html2text
"html2text" nil t
)
42 (defvar gnus-article-mime-handles
)
43 (defvar gnus-newsgroup-charset
)
45 (defvar w3m-cid-retrieve-function-alist
)
46 (defvar w3m-current-buffer
)
47 (defvar w3m-display-inline-images
)
48 (defvar w3m-minor-mode-map
)
50 (defvar mm-text-html-renderer-alist
51 '((w3 . mm-inline-text-html-render-with-w3
)
52 (w3m . mm-inline-text-html-render-with-w3m
)
53 (w3m-standalone . mm-inline-text-html-render-with-w3m-standalone
)
54 (links mm-inline-render-with-file
55 mm-links-remove-leading-blank
57 (lynx mm-inline-render-with-stdin nil
58 "lynx" "-dump" "-force_html" "-stdin" "-nolist")
59 (html2text mm-inline-render-with-function html2text
))
60 "The attributes of renderer types for text/html.")
62 (defvar mm-text-html-washer-alist
63 '((w3 . gnus-article-wash-html-with-w3
)
64 (w3m . gnus-article-wash-html-with-w3m
)
65 (w3m-standalone . gnus-article-wash-html-with-w3m-standalone
)
66 (links mm-inline-wash-with-file
67 mm-links-remove-leading-blank
69 (lynx mm-inline-wash-with-stdin nil
70 "lynx" "-dump" "-force_html" "-stdin" "-nolist")
71 (html2text html2text
))
72 "The attributes of washer types for text/html.")
74 (defcustom mm-fill-flowed t
75 "If non-nil a format=flowed article will be displayed flowed."
80 (defcustom mm-inline-large-images-proportion
0.9
81 "Maximum proportion of large image resized when
82 `mm-inline-large-images' is set to resize."
87 ;;; Internal variables.
90 ;;; Functions for displaying various formats inline
93 (defun mm-inline-image-emacs (handle)
94 (let ((b (point-marker))
95 (inhibit-read-only t
))
97 (let ((image (mm-get-image handle
)))
98 (if (eq mm-inline-large-images
'resize
)
99 (gnus-rescale-image image
100 (let ((edges (gnus-window-inside-pixel-edges
101 (get-buffer-window (current-buffer)))))
102 (cons (truncate (* mm-inline-large-images-proportion
103 (- (nth 2 edges
) (nth 0 edges
))))
104 (truncate (* mm-inline-large-images-proportion
105 (- (nth 3 edges
) (nth 1 edges
)))))))
109 (mm-handle-set-undisplayer
113 (inhibit-read-only t
))
115 (delete-region b
(+ b
2)))))))
117 (defun mm-inline-image-xemacs (handle)
118 (when (featurep 'xemacs
)
121 (let ((annot (make-annotation (mm-get-image handle
) nil
'text
))
122 (inhibit-read-only t
))
123 (mm-handle-set-undisplayer
126 (let ((b ,(point-marker))
127 (inhibit-read-only t
))
128 (delete-annotation ,annot
)
129 (delete-region (- b
2) b
))))
130 (set-extent-property annot
'mm t
)
131 (set-extent-property annot
'duplicable t
))))
134 (if (featurep 'xemacs
)
135 (defalias 'mm-inline-image
'mm-inline-image-xemacs
)
136 (defalias 'mm-inline-image
'mm-inline-image-emacs
)))
139 (declare-function w3-do-setup
"ext:w3" ())
140 (declare-function w3-region
"ext:w3-display" (st nd
))
141 (declare-function w3-prepare-buffer
"ext:w3-display" (&rest args
))
143 (defvar mm-w3-setup nil
)
144 (defun mm-setup-w3 ()
151 (setq mm-w3-setup t
)))
153 (defun mm-inline-text-html-render-with-w3 (handle)
155 (let ((text (mm-get-part handle
))
157 (url-standalone-mode t
)
158 (url-gateway-unplugged t
)
159 (w3-honor-stylesheets nil
)
161 (url-generic-parse-url (format "cid:%s" (mm-handle-id handle
))))
162 (width (window-width))
163 (charset (mail-content-type-get
164 (mm-handle-type handle
) 'charset
)))
166 (insert (if charset
(mm-decode-string text charset
) text
))
168 (narrow-to-region b
(point))
170 (goto-char (point-min))
171 (when (or (and (boundp 'w3-meta-content-type-charset-regexp
)
173 w3-meta-content-type-charset-regexp nil t
))
174 (and (boundp 'w3-meta-charset-content-type-regexp
)
176 w3-meta-charset-content-type-regexp nil t
)))
178 (let ((bsubstr (buffer-substring-no-properties
181 (if (fboundp 'w3-coding-system-for-mime-charset
)
182 (w3-coding-system-for-mime-charset bsubstr
)
183 (mm-charset-to-coding-system bsubstr
))))
184 (delete-region (point-min) (point-max))
185 (insert (mm-decode-string text charset
))))
186 (save-window-excursion
188 (let ((w3-strict-width width
)
189 ;; Don't let w3 set the global version of
191 (fill-column fill-column
))
192 (if (or debug-on-error debug-on-quit
)
193 (w3-region (point-min) (point-max))
195 (w3-region (point-min) (point-max))
197 (delete-region (point-min) (point-max))
199 (charset (mail-content-type-get
200 (mm-handle-type handle
) 'charset
)))
201 (if (or (eq charset
'gnus-decoded
)
202 (eq mail-parse-charset
'gnus-decoded
))
204 (narrow-to-region (point) (point))
205 (mm-insert-part handle
)
206 (goto-char (point-max)))
207 (insert (mm-decode-string (mm-get-part handle
)
210 "Error while rendering html; showing as text/plain")))))))
211 (mm-handle-set-undisplayer
214 (let ((inhibit-read-only t
))
215 ,@(if (functionp 'remove-specifier
)
216 '((dolist (prop '(background background-pixmap foreground
))
218 (face-property 'default prop
)
220 (delete-region ,(point-min-marker)
221 ,(point-max-marker)))))))))
223 (defvar mm-w3m-setup nil
224 "Whether gnus-article-mode has been setup to use emacs-w3m.")
227 (declare-function w3m-detect-meta-charset
"ext:w3m" ())
228 (declare-function w3m-region
"ext:w3m" (start end
&optional url charset
))
230 (defun mm-setup-w3m ()
231 "Setup gnus-article-mode to use emacs-w3m."
234 (unless (assq 'gnus-article-mode w3m-cid-retrieve-function-alist
)
235 (push (cons 'gnus-article-mode
'mm-w3m-cid-retrieve
)
236 w3m-cid-retrieve-function-alist
))
237 (setq mm-w3m-setup t
))
238 (setq w3m-display-inline-images mm-inline-text-html-with-images
))
240 (defun mm-w3m-cid-retrieve-1 (url handle
)
241 (dolist (elem handle
)
243 (when (equal url
(mm-handle-id elem
))
244 (mm-insert-part elem
)
245 (throw 'found-handle
(mm-handle-media-type elem
)))
246 (when (and (stringp (car elem
))
247 (equal "multipart" (mm-handle-media-supertype elem
)))
248 (mm-w3m-cid-retrieve-1 url elem
)))))
250 (defun mm-w3m-cid-retrieve (url &rest args
)
251 "Insert a content pointed by URL if it has the cid: scheme."
252 (when (string-match "\\`cid:" url
)
253 (or (catch 'found-handle
254 (mm-w3m-cid-retrieve-1
255 (setq url
(concat "<" (substring url
(match-end 0)) ">"))
256 (with-current-buffer w3m-current-buffer
257 gnus-article-mime-handles
)))
260 (message "Failed to find \"Content-ID: %s\"" url
)))))
262 (defun mm-inline-text-html-render-with-w3m (handle)
263 "Render a text/html part using emacs-w3m."
265 (let ((text (mm-get-part handle
))
267 (charset (or (mail-content-type-get (mm-handle-type handle
) 'charset
)
268 mail-parse-charset
)))
270 (insert (if charset
(mm-decode-string text charset
) text
))
272 (narrow-to-region b
(point))
274 (goto-char (point-min))
275 (when (setq charset
(w3m-detect-meta-charset))
276 (delete-region (point-min) (point-max))
277 (insert (mm-decode-string text charset
))))
278 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp
)
280 (w3m-region (point-min) (point-max) nil charset
))
281 ;; Put the mark meaning this part was rendered by emacs-w3m.
282 (put-text-property (point-min) (point-max)
283 'mm-inline-text-html-with-w3m t
)
284 (when (and mm-inline-text-html-with-w3m-keymap
285 (boundp 'w3m-minor-mode-map
)
287 (if (and (boundp 'w3m-link-map
)
289 (let* ((start (point-min))
291 (on (get-text-property start
'w3m-href-anchor
))
292 (map (copy-keymap w3m-link-map
))
294 (set-keymap-parent map w3m-minor-mode-map
)
298 (setq next
(or (text-property-any start end
299 'w3m-href-anchor nil
)
301 (put-text-property start next
'keymap map
))
302 (setq next
(or (text-property-not-all start end
303 'w3m-href-anchor nil
)
305 (put-text-property start next
'keymap w3m-minor-mode-map
))
308 (put-text-property (point-min) (point-max)
309 'keymap w3m-minor-mode-map
)))
310 (mm-handle-set-undisplayer
313 (let ((inhibit-read-only t
))
314 (delete-region ,(point-min-marker)
315 ,(point-max-marker)))))))))
317 (defvar mm-w3m-standalone-supports-m17n-p
(if (featurep 'mule
) 'undecided
)
318 "*T means the w3m command supports the m17n feature.")
320 (defun mm-w3m-standalone-supports-m17n-p ()
321 "Say whether the w3m command supports the m17n feature."
322 (cond ((eq mm-w3m-standalone-supports-m17n-p t
) t
)
323 ((eq mm-w3m-standalone-supports-m17n-p nil
) nil
)
324 ((not (featurep 'mule
)) (setq mm-w3m-standalone-supports-m17n-p nil
))
326 (let ((coding-system-for-write 'iso-2022-jp
)
327 (coding-system-for-read 'iso-2022-jp
)
328 (str (mm-decode-coding-string "\
329 \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
)))
330 (mm-with-multibyte-buffer
333 (point-min) (point-max) "w3m" t t nil
"-dump"
334 "-T" "text/html" "-I" "iso-2022-jp" "-O" "iso-2022-jp")
335 (goto-char (point-min))
336 (search-forward str nil t
)))
338 (setq mm-w3m-standalone-supports-m17n-p t
))
340 ;;(message "You had better upgrade your w3m command")
341 (setq mm-w3m-standalone-supports-m17n-p nil
))))
343 (defun mm-inline-text-html-render-with-w3m-standalone (handle)
344 "Render a text/html part using w3m."
345 (if (mm-w3m-standalone-supports-m17n-p)
346 (let ((source (mm-get-part handle
))
347 (charset (or (mail-content-type-get (mm-handle-type handle
)
349 (symbol-name mail-parse-charset
)))
352 (setq cs
(mm-charset-to-coding-system charset
))
353 (not (eq cs
'ascii
)))
355 (setq charset
"iso-8859-1"
359 (mm-with-unibyte-buffer
361 (mm-enable-multibyte)
362 (let ((coding-system-for-write 'binary
)
363 (coding-system-for-read cs
))
365 (point-min) (point-max)
366 "w3m" t t nil
"-dump" "-T" "text/html"
367 "-I" charset
"-O" charset
))
369 (mm-inline-render-with-stdin handle nil
"w3m" "-dump" "-T" "text/html")))
371 (defun mm-links-remove-leading-blank ()
372 ;; Delete the annoying three spaces preceding each line of links
374 (goto-char (point-min))
375 (while (re-search-forward "^ " nil t
)
376 (delete-region (match-beginning 0) (match-end 0))))
378 (defun mm-inline-wash-with-file (post-func cmd
&rest args
)
379 (let ((file (mm-make-temp-file
380 (expand-file-name "mm" mm-tmp-directory
))))
381 (let ((coding-system-for-write 'binary
))
382 (write-region (point-min) (point-max) file nil
'silent
))
383 (delete-region (point-min) (point-max))
385 (apply 'call-process cmd nil t nil
(mapcar 'eval args
))
387 (and post-func
(funcall post-func
))))
389 (defun mm-inline-wash-with-stdin (post-func cmd
&rest args
)
390 (let ((coding-system-for-write 'binary
))
391 (apply 'call-process-region
(point-min) (point-max)
393 (and post-func
(funcall post-func
)))
395 (defun mm-inline-render-with-file (handle post-func cmd
&rest args
)
396 (let ((source (mm-get-part handle
)))
399 (mm-with-unibyte-buffer
401 (apply 'mm-inline-wash-with-file post-func cmd args
)
404 (defun mm-inline-render-with-stdin (handle post-func cmd
&rest args
)
405 (let ((source (mm-get-part handle
)))
408 (mm-with-unibyte-buffer
410 (apply 'mm-inline-wash-with-stdin post-func cmd args
)
413 (defun mm-inline-render-with-function (handle func
&rest args
)
414 (let ((source (mm-get-part handle
))
415 (charset (or (mail-content-type-get (mm-handle-type handle
) 'charset
)
416 mail-parse-charset
)))
419 (mm-with-multibyte-buffer
421 (mm-decode-string source charset
)
426 (defun mm-inline-text-html (handle)
427 (let* ((func (or mm-inline-text-html-renderer mm-text-html-renderer
))
428 (entry (assq func mm-text-html-renderer-alist
))
429 (inhibit-read-only t
))
431 (setq func
(cdr entry
)))
434 (funcall func handle
))
436 (apply (car func
) handle
(cdr func
))))))
438 (defun mm-inline-text-vcard (handle)
439 (let ((inhibit-read-only t
))
444 (if (fboundp 'vcard-pretty-print
)
445 (vcard-pretty-print (mm-get-part handle
))
447 (vcard-parse-string (mm-get-part handle
)
448 'vcard-standard-filter
))))))))
450 (defun mm-inline-text (handle)
452 (type (mm-handle-media-subtype handle
))
453 (charset (mail-content-type-get
454 (mm-handle-type handle
) 'charset
))
455 (inhibit-read-only t
))
456 (if (or (eq charset
'gnus-decoded
)
457 ;; This is probably not entirely correct, but
458 ;; makes rfc822 parts with embedded multiparts work.
459 (eq mail-parse-charset
'gnus-decoded
))
461 (narrow-to-region (point) (point))
462 (mm-insert-part handle
)
463 (goto-char (point-max)))
464 (insert (mm-decode-string (mm-get-part handle
) charset
)))
465 (when (and mm-fill-flowed
467 (equal (cdr (assoc 'format
(mm-handle-type handle
)))
470 (narrow-to-region b
(point))
472 (fill-flowed nil
(equal (cdr (assoc 'delsp
(mm-handle-type handle
)))
474 (goto-char (point-max))))
476 (narrow-to-region b
(point))
477 (when (member type
'("enriched" "richtext"))
478 (set-text-properties (point-min) (point-max) nil
)
480 (enriched-decode (point-min) (point-max))))
481 (mm-handle-set-undisplayer
484 (let ((inhibit-read-only t
))
485 (delete-region ,(point-min-marker)
486 ,(point-max-marker))))))))
488 (defun mm-insert-inline (handle text
)
489 "Insert TEXT inline from HANDLE."
494 (mm-handle-set-undisplayer
497 (let ((inhibit-read-only t
))
498 (delete-region ,(copy-marker b
)
499 ,(copy-marker (point))))))))
501 (defun mm-inline-audio (handle)
502 (message "Not implemented"))
504 (defun mm-view-sound-file ()
505 (message "Not implemented"))
507 (defun mm-w3-prepare-buffer ()
509 (let ((url-standalone-mode t
)
510 (url-gateway-unplugged t
)
511 (w3-honor-stylesheets nil
))
512 (w3-prepare-buffer)))
514 (defun mm-view-message ()
515 (mm-enable-multibyte)
517 (let (gnus-article-mime-handles)
518 ;; Double decode problem may happen. See mm-inline-message.
519 (run-hooks 'gnus-article-decode-hook
)
520 (gnus-article-prepare-display)
521 (setq handles gnus-article-mime-handles
))
523 (setq gnus-article-mime-handles
524 (mm-merge-handles gnus-article-mime-handles handles
))))
526 (goto-char (point-min)))
528 (defun mm-inline-message (handle)
531 (charset (mail-content-type-get
532 (mm-handle-type handle
) 'charset
))
533 gnus-displaying-mime handles
)
536 (setq charset
(intern (downcase charset
)))
537 (when (eq charset
'us-ascii
)
541 (narrow-to-region b b
)
542 (mm-insert-part handle
)
543 (let (gnus-article-mime-handles
544 ;; disable prepare hook
545 gnus-article-prepare-hook
546 (gnus-newsgroup-charset
547 (unless (eq charset
'gnus-decoded
) ;; mm-uu might set it.
548 (or charset gnus-newsgroup-charset
))))
549 (let ((gnus-original-article-buffer (mm-handle-buffer handle
)))
550 (run-hooks 'gnus-article-decode-hook
))
551 (gnus-article-prepare-display)
552 (setq handles gnus-article-mime-handles
))
553 (goto-char (point-min))
556 (goto-char (point-max))
559 (insert "----------\n\n")
561 (setq gnus-article-mime-handles
562 (mm-merge-handles gnus-article-mime-handles handles
)))
563 (mm-handle-set-undisplayer
566 (let ((inhibit-read-only t
))
567 (if (fboundp 'remove-specifier
)
568 ;; This is only valid on XEmacs.
569 (dolist (prop '(background background-pixmap foreground
))
571 (face-property 'default prop
) (current-buffer))))
572 (delete-region ,(point-min-marker) ,(point-max-marker)))))))))
574 (defun mm-display-inline-fontify (handle mode
)
575 (let ((charset (mail-content-type-get (mm-handle-type handle
) 'charset
))
577 (unless (eq charset
'gnus-decoded
)
578 (mm-with-unibyte-buffer
579 (mm-insert-part handle
)
580 (mm-decompress-buffer
581 (or (mail-content-type-get (mm-handle-disposition handle
) 'name
)
582 (mail-content-type-get (mm-handle-disposition handle
) 'filename
))
585 (setq coding-system
(mm-find-buffer-file-coding-system)))
586 (setq text
(buffer-string))))
587 ;; XEmacs @#$@ version of font-lock refuses to fully turn itself
588 ;; on for buffers whose name begins with " ". That's why we use
589 ;; `with-current-buffer'/`generate-new-buffer' rather than
590 ;; `with-temp-buffer'.
591 (with-current-buffer (generate-new-buffer "*fontification*")
592 (buffer-disable-undo)
593 (mm-enable-multibyte)
594 (insert (cond ((eq charset
'gnus-decoded
)
595 (with-current-buffer (mm-handle-buffer handle
)
598 (mm-decode-coding-string text coding-system
))
600 (mm-decode-string text charset
))
604 (let ((font-lock-maximum-size nil
)
605 ;; Disable support modes, e.g., jit-lock, lazy-lock, etc.
606 (font-lock-mode-hook nil
)
607 (font-lock-support-mode nil
)
608 ;; I find font-lock a bit too verbose.
609 (font-lock-verbose nil
))
611 ;; The mode function might have already turned on font-lock.
612 (unless (symbol-value 'font-lock-mode
)
613 (font-lock-fontify-buffer)))
614 ;; By default, XEmacs font-lock uses non-duplicable text
615 ;; properties. This code forces all the text properties
616 ;; to be copied along with the text.
617 (when (featurep 'xemacs
)
618 (map-extents (lambda (ext ignored
)
619 (set-extent-property ext
'duplicable t
)
621 nil nil nil nil nil
'text-prop
))
622 (setq text
(buffer-string))
623 (kill-buffer (current-buffer)))
624 (mm-insert-inline handle text
)))
626 ;; Shouldn't these functions check whether the user even wants to use
627 ;; font-lock? At least under XEmacs, this fontification is pretty
628 ;; much unconditional. Also, it would be nice to change for the size
629 ;; of the fontified region.
631 (defun mm-display-patch-inline (handle)
632 (mm-display-inline-fontify handle
'diff-mode
))
634 (defun mm-display-elisp-inline (handle)
635 (mm-display-inline-fontify handle
'emacs-lisp-mode
))
637 (defun mm-display-dns-inline (handle)
638 (mm-display-inline-fontify handle
'dns-mode
))
640 ;; id-signedData OBJECT IDENTIFIER ::= { iso(1) member-body(2)
641 ;; us(840) rsadsi(113549) pkcs(1) pkcs7(7) 2 }
642 (defvar mm-pkcs7-signed-magic
643 "\x30\x5c\x28\x80\x5c\x7c\x81\x2e\x5c\x7c\x82\x2e\x2e\x5c\x7c\x83\x2e\x2e\
644 \x2e\x5c\x29\x06\x09\x5c\x2a\x86\x48\x86\xf7\x0d\x01\x07\x02")
646 ;; id-envelopedData OBJECT IDENTIFIER ::= { iso(1) member-body(2)
647 ;; us(840) rsadsi(113549) pkcs(1) pkcs7(7) 3 }
648 (defvar mm-pkcs7-enveloped-magic
649 "\x30\x5c\x28\x80\x5c\x7c\x81\x2e\x5c\x7c\x82\x2e\x2e\x5c\x7c\x83\x2e\x2e\
650 \x2e\x5c\x29\x06\x09\x5c\x2a\x86\x48\x86\xf7\x0d\x01\x07\x03")
652 (defun mm-view-pkcs7-get-type (handle)
653 (mm-with-unibyte-buffer
654 (mm-insert-part handle
)
655 (cond ((looking-at mm-pkcs7-enveloped-magic
)
657 ((looking-at mm-pkcs7-signed-magic
)
660 (error "Could not identify PKCS#7 type")))))
662 (defun mm-view-pkcs7 (handle)
663 (case (mm-view-pkcs7-get-type handle
)
664 (enveloped (mm-view-pkcs7-decrypt handle
))
665 (signed (mm-view-pkcs7-verify handle
))
666 (otherwise (error "Unknown or unimplemented PKCS#7 type"))))
668 (defun mm-view-pkcs7-verify (handle)
669 (let ((verified nil
))
671 (insert "MIME-Version: 1.0\n")
672 (mm-insert-headers "application/pkcs7-mime" "base64" "smime.p7m")
673 (insert-buffer-substring (mm-handle-buffer handle
))
674 (setq verified
(smime-verify-region (point-min) (point-max))))
675 (goto-char (point-min))
676 (mm-insert-part handle
)
677 (if (search-forward "Content-Type: " nil t
)
678 (delete-region (point-min) (match-beginning 0)))
679 (goto-char (point-max))
680 (if (re-search-backward "--\r?\n?" nil t
)
681 (delete-region (match-end 0) (point-max)))
683 (insert-buffer-substring smime-details-buffer
)))
684 (goto-char (point-min))
685 (while (search-forward "\r\n" nil t
)
686 (replace-match "\n"))
689 (defun mm-view-pkcs7-decrypt (handle)
690 (insert-buffer-substring (mm-handle-buffer handle
))
691 (goto-char (point-min))
692 (insert "MIME-Version: 1.0\n")
693 (mm-insert-headers "application/pkcs7-mime" "base64" "smime.p7m")
694 (smime-decrypt-region
695 (point-min) (point-max)
696 (if (= (length smime-keys
) 1)
698 (smime-get-key-by-email
699 (gnus-completing-read
701 smime-keys nil nil nil
(car-safe (car-safe smime-keys
))))))
702 (goto-char (point-min))
703 (while (search-forward "\r\n" nil t
)
704 (replace-match "\n"))
705 (goto-char (point-min)))
709 ;;; mm-view.el ends here