1 ;;; wl-mime.el --- SEMI implementations of MIME processing on Wanderlust.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
6 ;; Keywords: mail, net news
8 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
39 (defalias 'wl-draft-editor-mode 'mime-edit-mode)
41 (defalias 'wl-draft-decode-message-in-buffer
42 'mime-edit-decode-message-in-buffer)
44 (defun wl-draft-yank-current-message-entity ()
45 "Yank currently displayed message entity.
46 By setting following-method as yank-content.
48 If region is active, yank region contents instead. \(this feature is available
49 if and only if `transient-mark-mode' \(GNU Emacs\) or `zmacs-regions' \(XEmacs\)
51 (let ((wl-draft-buffer (current-buffer))
52 (mime-view-following-method-alist
53 (list (cons 'wl-original-message-mode
54 (function wl-draft-yank-to-draft-buffer))))
55 (mime-preview-following-method-alist
56 (list (cons 'wl-original-message-mode
57 (function wl-draft-yank-to-draft-buffer))))
58 (message-buffer (wl-current-message-buffer)))
61 (set-buffer message-buffer)
66 (wl-mime-preview-follow-current-region))
67 ((not (wl-message-mime-analysis-p
68 (wl-message-buffer-display-type)))
69 (wl-mime-preview-follow-no-mime
70 (wl-message-buffer-display-type)))
72 (mime-preview-follow-current-entity)))))
73 (error "No message."))))
75 ;; modified mime-preview-follow-current-entity from mime-view.el
76 (defun wl-mime-preview-follow-no-mime (display-type)
77 "Write follow message to current message, without mime.
78 It calls following-method selected from variable
79 `mime-preview-following-method-alist'."
81 (let* ((mode (mime-preview-original-major-mode 'recursive))
82 (new-name (format "%s-no-mime" (buffer-name)))
84 (entity (get-text-property (point-min) 'elmo-as-is-entity))
85 (the-buf (current-buffer))
88 (goto-char (point-min))
90 beg (re-search-forward "^$" nil t)
93 (set-buffer (setq new-buf (get-buffer-create new-name)))
95 (insert-buffer-substring the-buf beg end)
96 (goto-char (point-min))
97 ;; Insert all headers.
98 (let ((elmo-mime-display-header-analysis
99 (wl-message-mime-analysis-p display-type 'header)))
100 (elmo-mime-insert-sorted-header entity))
101 (let ((f (cdr (assq mode mime-preview-following-method-alist))))
105 "Sorry, following method for %s is not implemented yet."
108 ;; modified mime-preview-follow-current-entity from mime-view.el
109 (defun wl-mime-preview-follow-current-region ()
110 "Write follow message to current region.
111 It calls following-method selected from variable
112 `mime-preview-following-method-alist'."
114 (let ((r-beg (region-beginning))
116 (entity (get-text-property (point-min)
118 (let* ((mode (mime-preview-original-major-mode 'recursive))
120 (format "%s-active-region" (buffer-name)))
122 (the-buf (current-buffer))
125 (set-buffer (setq new-buf (get-buffer-create new-name)))
128 (insert-buffer-substring the-buf r-beg r-end)
129 (goto-char (point-min))
130 (let ((current-entity
132 (eq (mime-entity-media-type entity) 'message)
133 (eq (mime-entity-media-subtype entity) 'rfc822))
134 (car (mime-entity-children entity))
136 (while (and current-entity
137 (if (and (eq (mime-entity-media-type
138 current-entity) 'message)
139 (eq (mime-entity-media-subtype
140 current-entity) 'rfc822))
142 (mime-insert-header current-entity fields)
144 (setq fields (std11-collect-field-names)
145 current-entity (mime-entity-parent current-entity))))
146 (let ((rest mime-view-following-required-fields-list)
149 (setq field-name (car rest))
150 (or (std11-field-body field-name)
154 (let ((entity (when mime-mother-buffer
155 (set-buffer mime-mother-buffer)
156 (get-text-property (point)
157 'mime-view-entity))))
159 (null (setq ret (mime-entity-fetch-field
160 entity field-name))))
161 (setq entity (mime-entity-parent entity)))))
163 (insert (concat field-name ": " ret "\n")))))
164 (setq rest (cdr rest)))))
165 (let ((f (cdr (assq mode mime-preview-following-method-alist))))
169 "Sorry, following method for %s is not implemented yet."
172 (defalias 'wl-draft-enclose-digest-region 'mime-edit-enclose-digest-region)
174 (defun wl-draft-preview-attributes-list ()
175 (if (listp (car wl-draft-preview-attributes-list))
177 (nconc (and (wl-message-mail-p)
179 (cdr (assq 'mail wl-draft-preview-attributes-list))))
180 (and (wl-message-news-p)
182 (cdr (assq 'news wl-draft-preview-attributes-list))))))
183 wl-draft-preview-attributes-list))
185 (defun wl-draft-show-attributes-buffer (attribute-values)
186 (let* ((cur-win (selected-window))
188 (- (window-height cur-win)
190 (- (window-height cur-win)
193 (1+ wl-draft-preview-attributes-buffer-lines))))))
194 (split-window cur-win (if (> size 0) size window-min-height))
195 (select-window (next-window))
196 (let ((pop-up-windows nil))
197 (switch-to-buffer (get-buffer-create
198 wl-draft-preview-attributes-buffer-name)))
200 (get-buffer wl-draft-preview-attributes-buffer-name)
201 (setq buffer-read-only t)
202 (let (buffer-read-only)
204 (dolist (pair attribute-values)
205 (insert (capitalize (symbol-name (car pair))) ": "
206 (format "%s" (or (cdr pair) ""))
208 (goto-char (point-min))
209 (wl-highlight-headers)))
210 (select-window cur-win)))
212 (defun wl-draft-hide-attributes-buffer ()
214 (when (setq window (get-buffer-window
215 wl-draft-preview-attributes-buffer-name))
216 (select-window window)
218 (when (setq buffer (get-buffer wl-draft-preview-attributes-buffer-name))
219 (kill-buffer buffer))))
221 (defun wl-draft-attribute-recipients ()
222 (let (wl-draft-remove-group-list-contents)
226 (wl-draft-deduce-address-list
230 (goto-char (point-min))
234 (regexp-quote mail-header-separator)
238 (wl-draft-parse-mailbox-list wl-draft-mime-bcc-field-name))
241 (defun wl-draft-attribute-envelope-from ()
243 (wl-address-header-extract-address wl-from)))
245 (defun wl-draft-attribute-smtp-posting-server ()
246 (or wl-smtp-posting-server
247 (progn (require 'smtp) smtp-server)
250 (defun wl-draft-attribute-smtp-posting-port ()
251 (or wl-smtp-posting-port
252 (progn (require 'smtp) smtp-service)))
254 (defun wl-draft-attribute-newsgroups ()
255 (std11-field-body "Newsgroups"))
257 (defun wl-draft-nntp-attribute (attribute &optional alternatives)
258 (let ((config (cdr (elmo-string-matched-assoc
259 (std11-field-body "newsgroups")
260 wl-nntp-posting-config-alist)))
262 (when (stringp config)
263 (setq config (list (cons 'server config))))
264 (if (setq entry (assq attribute config))
269 (if (setq value (symbol-value (car alternatives)))
270 (setq alternatives nil)
271 (setq alternatives (cdr alternatives))))
274 (defun wl-draft-attribute-nntp-posting-server ()
275 (wl-draft-nntp-attribute
277 '(wl-nntp-posting-server elmo-nntp-default-server)))
279 (defun wl-draft-attribute-nntp-posting-port ()
280 (wl-draft-nntp-attribute
282 '(wl-nntp-posting-port elmo-nntp-default-port)))
284 (defun wl-draft-attribute-value (attr)
285 (let ((name (symbol-name attr))
287 (cond ((and (setq fsymbol (intern-soft
288 (format "wl-draft-attribute-%s" name)))
291 ((and (setq symbol (intern-soft (format "wl-%s" name)))
293 (symbol-value symbol))
295 (symbol-value attr)))))
297 (defun wl-mime-quit-preview ()
298 "Quitting method for mime-view."
299 (let* ((temp (and (boundp 'mime-edit-temp-message-buffer) ;; for SEMI <= 1.14.6
300 mime-edit-temp-message-buffer))
301 (window (selected-window))
303 (mime-preview-kill-buffer)
305 (setq buf mime-edit-buffer)
307 (select-window window)
308 (switch-to-buffer buf)))
310 (defun wl-draft-preview-message ()
311 "Preview editing message."
313 (let* (attribute-values
314 (orig-buffer (current-buffer))
315 (current-point (point))
316 (config-exec-flag wl-draft-config-exec-flag)
317 (parent-folder wl-draft-parent-folder)
318 (mime-display-header-hook 'wl-highlight-headers)
319 (mime-header-encode-method-alist
321 '((wl-draft-eword-encode-address-list
322 . (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
323 (if (boundp 'mime-header-encode-method-alist)
324 (symbol-value 'mime-header-encode-method-alist))))
325 mime-view-ignored-field-list ; all header.
326 (mime-edit-translate-buffer-hook
329 (let ((wl-draft-config-exec-flag config-exec-flag)
330 (wl-draft-parent-folder parent-folder)
331 (copy-buffer (current-buffer)))
332 (wl-copy-local-variables
335 (with-current-buffer orig-buffer
336 (append wl-draft-config-variables
337 (wl-draft-clone-local-variables))))
338 (goto-char current-point)
339 (run-hooks 'wl-draft-send-hook)
341 (setq attribute-values
344 (cons attr (wl-draft-attribute-value attr)))
345 (if wl-draft-preview-attributes
346 (wl-draft-preview-attributes-list)
349 (kill-buffer (current-buffer))
350 (signal (car err) (cdr err))))))
351 mime-edit-translate-buffer-hook)))
352 (mime-edit-preview-message)
353 (make-local-variable 'mime-preview-quitting-method-alist)
354 (setq mime-preview-quitting-method-alist
355 '((mime-temp-message-mode . wl-mime-quit-preview)))
356 (let ((buffer-read-only nil))
357 (when wl-highlight-body-too
359 (run-hooks 'wl-draft-preview-message-hook))
360 (make-local-hook 'kill-buffer-hook)
361 (add-hook 'kill-buffer-hook #'wl-draft-hide-attributes-buffer nil t)
362 (if wl-draft-preview-attributes
363 (ignore-errors ; in case when the window is too small
364 (wl-draft-show-attributes-buffer attribute-values))
365 (message (concat "Recipients: "
366 (cdr (assq 'recipients attribute-values)))))))
368 (defalias 'wl-draft-caesar-region 'mule-caesar-region)
370 (defalias 'wl-draft-insert-message 'mime-edit-insert-message)
372 (defalias 'wl-draft-insert-mail 'mime-edit-insert-mail)
376 (defun wl-message-decode-mode (outbuf inbuf)
377 (let ((mime-view-content-header-filter-hook 'wl-highlight-headers)
378 (mime-display-header-hook 'wl-highlight-headers))
379 (mime-view-mode nil nil nil inbuf outbuf)))
381 (defun wl-message-decode-with-all-header (outbuf inbuf)
382 (let ((mime-view-ignored-field-regexp "^:$")
383 (mime-view-content-header-filter-hook 'wl-highlight-headers)
384 (mime-display-header-hook 'wl-highlight-headers)
385 mime-view-ignored-field-list)
386 (mime-view-mode nil nil nil inbuf outbuf)))
388 (defun wl-message-delete-popup-windows ()
389 (dolist (buffer wl-message-popup-buffers)
390 (when (or (stringp buffer)
391 (and (symbolp buffer)
393 (setq buffer (symbol-value buffer))))
394 (let ((window (get-buffer-window buffer)))
396 (delete-window window))))))
398 (defun wl-message-request-partial (folder number)
400 (elmo-message-fetch (wl-folder-get-elmo-folder folder)
402 (elmo-make-fetch-strategy 'entire)
404 (mime-parse-buffer nil)))
406 (defalias 'wl-message-read 'mime-preview-scroll-up-entity)
407 (defalias 'wl-message-next-content 'mime-preview-move-to-next)
408 (defalias 'wl-message-prev-content 'mime-preview-move-to-previous)
409 (defalias 'wl-message-play-content 'mime-preview-play-current-entity)
410 (defalias 'wl-message-extract-content 'mime-preview-extract-current-entity)
411 (defalias 'wl-message-quit 'mime-preview-quit)
412 (defalias 'wl-message-button-dispatcher-internal
413 'mime-button-dispatcher)
415 (defsubst wl-mime-node-id-to-string (node-id)
417 (mapconcat (function (lambda (num) (format "%s" (1+ num))))
422 (defun wl-message-delete-current-part ()
423 "Delete a part under the cursor from the multipart message."
427 (let* ((entity (get-text-property (point) 'mime-view-entity))
428 (node-id (mime-entity-node-id entity))
429 (filename (mime-entity-safe-filename entity))
430 (header-start (mime-buffer-entity-header-start-internal entity))
431 (body-end (mime-buffer-entity-body-end-internal entity))
432 (folder (wl-folder-get-elmo-folder wl-message-buffer-cur-folder))
433 (number wl-message-buffer-cur-number)
434 (msgid (elmo-message-field folder number 'message-id))
435 (orig-buf wl-message-buffer-original-buffer))
436 (if (eq (luna-class-name entity) 'mime-elmo-imap-entity)
437 (error "Please fetch the entire message (by typing 'C-u .') and try again"))
438 (with-current-buffer orig-buf
439 (unless (string-equal
441 (elmo-message-fetch-string
443 (elmo-make-fetch-strategy 'entire)))
444 (error "Buffer content differs from actual message")))
445 (when (and (elmo-folder-writable-p folder)
446 (buffer-live-p orig-buf)
449 (format "Do you really want to delete part %s? "
450 (wl-mime-node-id-to-string node-id))))
451 (when (with-temp-buffer
452 (insert-buffer orig-buf)
453 (delete-region header-start body-end)
454 (goto-char header-start)
455 (insert "Content-Type: text/plain; charset=US-ASCII\n")
458 "Content-Disposition:"
459 (mime-encode-field-body
462 (concat " inline; filename=" (std11-wrap-as-quoted-string filename))))
463 "Content-Disposition")
466 (insert "** This part has been removed by Wanderlust **\n\n")
467 (elmo-folder-append-buffer folder))
469 (elmo-folder-move-messages
471 (wl-folder-get-elmo-folder wl-trash-folder))
472 (when (and (elmo-cache-get-path msgid)
473 (file-exists-p (elmo-cache-get-path msgid)))
474 (delete-file (elmo-cache-get-path msgid)))
477 (wl-summary-delete-messages-on-buffer (list number))
478 (wl-summary-toggle-disp-msg 'off)
479 (setq wl-message-buffer nil)
480 (wl-summary-sync nil "update"))))))
484 (defmacro wl-define-dummy-functions (&rest symbols)
485 `(dolist (symbol (quote ,symbols))
486 (defalias symbol 'ignore)))
491 (wl-define-dummy-functions epg-make-context
494 epg-context-set-progress-callback
495 epg-context-result-for
496 epg-verify-result-to-string
501 (wl-define-dummy-functions pgg-decrypt-region
503 pgg-display-output-buffer))))
505 (defun wl-epg-progress-callback (context what char current total reporter)
506 (let ((label (elmo-progress-counter-label reporter)))
508 (elmo-progress-notify label :set current :total total))))
510 (defun wl-mime-pgp-decrypt-region-with-epg (beg end &optional no-decode)
512 (let ((context (epg-make-context)))
513 (elmo-with-progress-display (epg-decript nil reporter)
515 (epg-context-set-progress-callback context
516 #'wl-epg-progress-callback
519 (decode-coding-string
522 (buffer-substring beg end))
523 (if no-decode 'raw-text wl-cs-autoconv))
524 (delete-region beg end)))))
525 last-coding-system-used)
527 (defun wl-mime-pgp-verify-region-with-epg (beg end &optional coding-system)
529 (let ((context (epg-make-context)))
530 (elmo-with-progress-display (epg-verify nil reporter)
532 (epg-context-set-progress-callback context
533 #'wl-epg-progress-callback
537 (encode-coding-string
538 (buffer-substring beg end)
540 (coding-system-change-eol-conversion coding-system 'dos)
542 (when (epg-context-result-for context 'verify)
543 (epa-display-info (epg-verify-result-to-string
544 (epg-context-result-for context 'verify))))))
546 (defun wl-mime-pgp-decrypt-region-with-pgg (beg end &optional no-decode)
548 (let ((buffer-file-coding-system wl-cs-autoconv)
550 (setq status (pgg-decrypt-region beg end))
553 (delete-region beg end)
554 (insert-buffer-substring pgg-output-buffer))
555 (pgg-display-output-buffer beg end status))
557 (error "Decryption is failed"))
558 last-coding-system-used))
560 (defun wl-mime-pgp-verify-region-with-pgg (beg end &optional coding-system)
562 (let ((message-buffer (current-buffer))
565 (insert-buffer-substring message-buffer beg end)
567 (encode-coding-region (point-min) (point-max) coding-system))
568 (setq success (pgg-verify-region (point-min) (point-max) nil 'fetch)))
569 (mime-show-echo-buffer)
570 (set-buffer mime-echo-buffer-name)
572 (get-buffer-window mime-echo-buffer-name)
574 (insert-buffer-substring
577 pgg-errors-buffer))))
579 (defsubst wl-mime-pgp-decrypt-region (beg end &optional no-decode)
580 (case wl-use-pgp-module
582 (wl-mime-pgp-decrypt-region-with-epg beg end no-decode))
584 (wl-mime-pgp-decrypt-region-with-pgg beg end no-decode))
586 (error "Don't support PGP decryption"))))
588 (defsubst wl-mime-pgp-verify-region (beg end &optional coding-system)
589 (case wl-use-pgp-module
591 (wl-mime-pgp-verify-region-with-epg beg end coding-system))
593 (wl-mime-pgp-verify-region-with-pgg beg end coding-system))
595 (error "Don't support PGP decryption"))))
597 (defun wl-message-decrypt-pgp-nonmime ()
598 "Decrypt PGP encrypted region"
602 (let ((region (wl-find-region "^-+BEGIN PGP MESSAGE-+$"
603 "^-+END PGP MESSAGE-+$"))
604 (inhibit-read-only t)
607 (error "Cannot find pgp encrypted region"))
609 (let ((props (text-properties-at (car region))))
610 (narrow-to-region (car region) (cdr region))
611 (when (setq coding-system
612 (wl-mime-pgp-decrypt-region (point-min) (point-max)))
613 (setq props (plist-put props
614 'wl-mime-decoded-coding-system
616 (set-text-properties (point-min) (point-max) props))))))
618 (defun wl-message-verify-pgp-nonmime (&optional arg)
619 "Verify PGP signed region.
620 With ARG, ask coding system and encode the region with it before verifying."
624 (let ((region (wl-find-region "^-+BEGIN PGP SIGNED MESSAGE-+$"
625 "^-+END PGP SIGNATURE-+$"))
628 (or (get-text-property (car region) 'wl-mime-decoded-coding-system)
629 (let* ((situation (mime-preview-find-boundary-info))
630 (entity (aref situation 2)))
631 (mime-charset-to-coding-system
632 (mime-content-type-parameter
633 (mime-entity-content-type entity)
635 buffer-file-coding-system))
637 (setq coding-system (read-coding-system
638 (format "Coding system (%S): " coding-system)
640 (wl-mime-pgp-verify-region (car region) (cdr region) coding-system))))
642 ;; XXX: encrypted multipart isn't represented as multipart
643 (defun wl-mime-preview-application/pgp (parent-entity entity situation)
644 (goto-char (point-max))
646 raw-buf to-buf representation-type child-entity)
649 (narrow-to-region p p)
650 (setq to-buf (current-buffer))
652 (setq raw-buf (current-buffer))
653 (mime-insert-entity entity)
655 (goto-char (point-min))
656 (re-search-forward "^-+BEGIN PGP MESSAGE-+$" nil t))
657 (wl-mime-pgp-decrypt-region (point-min) (point-max) 'no-decode)
658 (setq representation-type 'elmo-buffer))
659 (setq child-entity (mime-parse-message
660 (mm-expand-class-name representation-type)
663 (mime-entity-node-id-internal parent-entity)))
669 (entity-button . invisible))
672 (defun wl-mime-preview-application/pgp-encrypted (entity situation)
673 (let* ((entity-node-id (mime-entity-node-id entity))
674 (mother (mime-entity-parent entity))
675 (knum (car entity-node-id))
679 (orig-entity (nth onum (mime-entity-children mother))))
680 (wl-mime-preview-application/pgp entity orig-entity situation)))
683 (defun wl-summary-burst-subr (message-entity target number)
684 ;; returns new number.
685 (let (content-type entity)
686 (setq content-type (mime-entity-content-type message-entity))
687 (cond ((eq (cdr (assq 'type content-type)) 'multipart)
688 (dolist (entity (mime-entity-children message-entity))
689 (setq number (wl-summary-burst-subr
693 ((and (eq (cdr (assq 'type content-type)) 'message)
694 (eq (cdr (assq 'subtype content-type)) 'rfc822))
695 (message "Bursting...%s" (setq number (+ 1 number)))
697 (car (mime-entity-children message-entity)))
699 (set-buffer-multibyte nil)
700 (insert (mime-entity-body message-entity))
701 (elmo-folder-append-buffer target))))
704 (defun wl-summary-burst (&optional arg)
705 "De-capsulate embedded messages in MIME format.
706 With ARG, ask destination folder."
708 (let ((raw-buf (wl-summary-get-original-buffer))
709 (view-buf wl-message-buffer)
710 message-entity target)
712 (when (and (null arg)
713 (elmo-folder-writable-p wl-summary-buffer-elmo-folder))
714 (setq target wl-summary-buffer-elmo-folder))
716 (let ((name (wl-summary-read-folder wl-default-folder
718 (setq target (wl-folder-get-elmo-folder name))
719 (unless (elmo-folder-writable-p target)
720 (message "%s is not writable" name)
723 (wl-summary-set-message-buffer-or-redisplay)
724 (with-current-buffer view-buf
726 (get-text-property (point-min) 'mime-view-entity)))
728 (message "Bursting...")
729 (with-current-buffer raw-buf
730 (wl-summary-burst-subr message-entity target 0))
731 (message "Bursting...done"))
732 (if (elmo-folder-plugged-p target)
733 (elmo-folder-check target)))
735 (string= wl-summary-buffer-folder-name
736 (elmo-folder-name-internal target)))
737 (save-excursion (wl-summary-sync-update)))))
739 ;; internal variable.
740 (defvar wl-mime-save-directory nil "Last saved directory.")
741 ;;; Yet another save method.
742 (defun wl-mime-save-content (entity situation)
743 (let ((filename (expand-file-name
744 (read-file-name "Save to file: "
746 (or (mime-entity-safe-filename entity)
748 (or wl-mime-save-directory
749 wl-temporary-file-directory))))))
750 (while (file-directory-p filename)
751 (setq filename (read-file-name "Please set filename (not directory): "
753 (if (and (file-exists-p filename)
754 (not (yes-or-no-p (format "File %s exists. Save anyway? "
756 (message "Not saved")
757 (setq wl-mime-save-directory (file-name-directory filename))
758 (mime-write-entity-content entity filename))))
760 (defun wl-summary-extract-attachments-1 (message-entity directory number)
761 ;; returns new number.
762 (let (children filename)
764 ((setq children (mime-entity-children message-entity))
765 (dolist (entity children)
767 (wl-summary-extract-attachments-1 entity directory number))))
768 ((and (eq (mime-content-disposition-type
769 (mime-entity-content-disposition message-entity))
771 (setq filename (mime-entity-safe-filename message-entity)))
772 (let ((full (expand-file-name filename directory)))
773 (when (or (not (file-exists-p full))
775 (format "File %s exists. Save anyway? " filename)))
776 (message "Extracting...%s" (setq number (+ 1 number)))
777 (mime-write-entity-content message-entity full)))))
780 (defun wl-summary-extract-attachments (directory)
781 "Extract attachment parts in MIME format into the DIRECTORY."
783 (let* ((default (or wl-mime-save-directory
784 wl-temporary-file-directory))
785 (directory (read-directory-name "Extract to " default default t)))
786 (list (if (> (length directory) 0) directory default))))
787 (unless (and (file-writable-p directory)
788 (file-directory-p directory))
789 (error "%s is not writable" directory))
791 (wl-summary-set-message-buffer-or-redisplay)
792 (let ((entity (get-text-property (point-min) 'mime-view-entity)))
794 (message "Extracting...")
795 (wl-summary-extract-attachments-1 entity directory 0)
796 (message "Extracting...done")))))
798 ;;; Yet another combine method.
799 (defun wl-mime-combine-message/partial-pieces (entity situation)
800 "Internal method for wl to combine message/partial messages automatically."
802 (let* ((folder (with-current-buffer wl-message-buffer-cur-summary-buffer
803 wl-summary-buffer-elmo-folder))
804 (mime-display-header-hook 'wl-highlight-headers)
805 (id (or (cdr (assoc "id" situation)) ""))
806 (mother (current-buffer))
807 (summary-buf wl-message-buffer-cur-summary-buffer)
809 (root-dir (expand-file-name
810 (concat "m-prts-" (user-login-name))
811 temporary-file-directory))
813 (setq root-dir (concat root-dir "/" (replace-as-filename id)))
814 (setq full-file (concat root-dir "/FULL"))
815 (if (or (file-exists-p full-file)
816 (not (y-or-n-p "Merge partials? ")))
817 (with-current-buffer mother
818 (mime-store-message/partial-piece entity situation)
819 (setq wl-message-buffer-cur-summary-buffer summary-buf)
820 (make-local-variable 'mime-preview-over-to-next-method-alist)
821 (setq mime-preview-over-to-next-method-alist
822 (cons (cons 'mime-show-message-mode 'wl-message-exit)
823 mime-preview-over-to-next-method-alist))
824 (make-local-variable 'mime-preview-over-to-previous-method-alist)
825 (setq mime-preview-over-to-previous-method-alist
826 (cons (cons 'mime-show-message-mode 'wl-message-exit)
827 mime-preview-over-to-previous-method-alist)))
830 (decode-mime-charset-string
831 (mime-entity-read-field entity 'Subject)
832 wl-summary-buffer-mime-charset)))
833 (if (string-match "[0-9\n]+" subject-id)
834 (setq subject-id (substring subject-id 0 (match-beginning 0))))
836 (elmo-folder-do-each-message-entity (entity folder)
838 (regexp-quote subject-id)
839 (elmo-message-entity-field entity 'subject))
841 ;; request message at the cursor in Subject buffer.
842 (wl-message-request-partial
843 (elmo-folder-name-internal folder)
844 (elmo-message-entity-number entity)))
845 (situation (mime-entity-situation message))
846 (the-id (or (cdr (assoc "id" situation)) "")))
847 (when (string= (downcase the-id)
849 (with-current-buffer mother
850 (mime-store-message/partial-piece message situation))
851 (if (file-exists-p full-file)
852 (throw 'tag nil))))))
853 (message "Not all partials found.")))))
855 (defun wl-mime-display-text/plain (entity situation)
857 (mime-display-text/plain entity situation)
858 (wl-highlight-message beg (point-max) t t)))
860 (defun wl-mime-display-header (entity situation)
861 (let ((elmo-message-ignored-field-list
862 (if wl-message-buffer-require-all-header
864 wl-message-ignored-field-list))
865 (elmo-message-visible-field-list wl-message-visible-field-list)
866 (elmo-message-sorted-field-list wl-message-sort-field-list))
867 (elmo-mime-insert-header entity situation)
868 (wl-highlight-headers)))
870 (defun wl-mime-decrypt-application/pgp-encrypted (entity situation)
871 (let ((summary-buffer wl-message-buffer-cur-summary-buffer)
872 (original-buffer wl-message-buffer-original-buffer))
873 (mime-decrypt-application/pgp-encrypted entity situation)
874 (setq wl-message-buffer-cur-summary-buffer summary-buffer)
875 (setq wl-message-buffer-original-buffer original-buffer)))
879 (defun wl-mime-setup ()
880 (set-alist 'mime-preview-quitting-method-alist
881 'wl-original-message-mode 'wl-message-exit)
882 (set-alist 'mime-view-over-to-previous-method-alist
883 'wl-original-message-mode 'wl-message-exit)
884 (set-alist 'mime-view-over-to-next-method-alist
885 'wl-original-message-mode 'wl-message-exit)
886 (set-alist 'mime-preview-over-to-previous-method-alist
887 'wl-original-message-mode 'wl-message-exit)
888 (set-alist 'mime-preview-over-to-next-method-alist
889 'wl-original-message-mode 'wl-message-exit)
890 (add-hook 'wl-summary-toggle-disp-off-hook 'wl-message-delete-popup-windows)
891 (add-hook 'wl-summary-redisplay-hook 'wl-message-delete-popup-windows)
892 (add-hook 'wl-message-exit-hook 'wl-message-delete-popup-windows)
894 (ctree-set-calist-strictly
895 'mime-preview-condition
896 '((type . text) (subtype . plain)
898 (body-presentation-method . wl-mime-display-text/plain)
899 (major-mode . wl-original-message-mode)))
901 (ctree-set-calist-strictly
902 'mime-preview-condition
903 '((type . application)(subtype . pgp-encrypted)
906 (body-presentation-method . wl-mime-preview-application/pgp-encrypted)
907 (major-mode . wl-original-message-mode)))
909 (ctree-set-calist-strictly
910 'mime-acting-condition
911 '((type . message) (subtype . partial)
912 (method . wl-mime-combine-message/partial-pieces)
913 (request-partial-message-method . wl-message-request-partial)
914 (major-mode . wl-original-message-mode)))
916 (ctree-set-calist-strictly
917 'mime-acting-condition
918 '((type . application) (subtype . pgp-encrypted)
919 (method . wl-mime-decrypt-application/pgp-encrypted)
920 (major-mode . wl-original-message-mode)))
922 (ctree-set-calist-strictly
923 'mime-acting-condition
925 (major-mode . wl-original-message-mode)
926 (method . wl-mime-save-content)))
927 (set-alist 'mime-preview-following-method-alist
928 'wl-original-message-mode
929 (function wl-message-follow-current-entity))
930 (set-alist 'mime-view-following-method-alist
931 'wl-original-message-mode
932 (function wl-message-follow-current-entity))
933 (set-alist 'mime-edit-message-inserter-alist
934 'wl-draft-mode (function wl-draft-insert-current-message))
935 (set-alist 'mime-edit-mail-inserter-alist
936 'wl-draft-mode (function wl-draft-insert-get-message))
937 (set-alist 'mime-edit-split-message-sender-alist
939 (cdr (assq 'mail-mode mime-edit-split-message-sender-alist)))
940 (set-alist 'mime-raw-representation-type-alist
941 'wl-original-message-mode 'binary)
942 ;; Sort and highlight header fields.
943 (or wl-message-ignored-field-list
944 (setq wl-message-ignored-field-list
945 mime-view-ignored-field-list))
946 (or wl-message-visible-field-list
947 (setq wl-message-visible-field-list
948 mime-view-visible-field-list))
949 (set-alist 'mime-header-presentation-method-alist
950 'wl-original-message-mode
951 'wl-mime-display-header)
952 ;; To avoid overriding wl-draft-mode-map.
953 (when (boundp 'mime-setup-signature-key-alist)
954 (unless (assq 'wl-draft-mode mime-setup-signature-key-alist)
955 (setq mime-setup-signature-key-alist
956 (cons '(wl-draft-mode . "\C-c\C-w")
957 mime-setup-signature-key-alist)))))
960 (product-provide (provide 'wl-mime) (require 'wl-version))
962 ;;; wl-mime.el ends here