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.
35 (eval-when-compile (require 'mmbuffer))
40 (eval-when-compile (require 'cl))
44 (defalias 'wl-draft-editor-mode 'mime-edit-mode)
46 (defalias 'wl-draft-decode-message-in-buffer
47 'mime-edit-decode-message-in-buffer)
49 (defun wl-draft-yank-current-message-entity ()
50 "Yank currently displayed message entity.
51 By setting following-method as yank-content.
53 If region is active, yank region contents instead. \(this feature is available
54 if and only if `transient-mark-mode' \(GNU Emacs\) or `zmacs-regions' \(XEmacs\)
56 (let ((wl-draft-buffer (current-buffer))
57 (mime-view-following-method-alist
58 (list (cons 'wl-original-message-mode
59 (function wl-draft-yank-to-draft-buffer))))
60 (mime-preview-following-method-alist
61 (list (cons 'wl-original-message-mode
62 (function wl-draft-yank-to-draft-buffer))))
63 (message-buffer (wl-current-message-buffer)))
65 (with-current-buffer message-buffer
70 (wl-mime-preview-follow-current-region))
71 ((not (wl-message-mime-analysis-p
72 (wl-message-buffer-display-type)))
73 (wl-mime-preview-follow-no-mime
74 (wl-message-buffer-display-type)))
76 (mime-preview-follow-current-entity)))))
77 (error "No message."))))
79 ;; modified mime-preview-follow-current-entity from mime-view.el
80 (defun wl-mime-preview-follow-no-mime (display-type)
81 "Write follow message to current message, without mime.
82 It calls following-method selected from variable
83 `mime-preview-following-method-alist'."
85 (let* ((mode (mime-preview-original-major-mode 'recursive))
86 (new-name (format "%s-no-mime" (buffer-name)))
88 (entity (get-text-property (point-min) 'elmo-as-is-entity))
89 (the-buf (current-buffer))
92 (goto-char (point-min))
94 beg (re-search-forward "^$" nil t)
96 (with-current-buffer (setq new-buf (get-buffer-create new-name))
98 (insert-buffer-substring the-buf beg end)
99 (goto-char (point-min))
100 ;; Insert all headers.
101 (let ((elmo-mime-display-header-analysis
102 (wl-message-mime-analysis-p display-type 'header)))
103 (elmo-mime-insert-sorted-header entity))
104 (let ((f (cdr (assq mode mime-preview-following-method-alist))))
108 "Sorry, following method for %s is not implemented yet."
111 ;; modified mime-preview-follow-current-entity from mime-view.el
112 (defun wl-mime-preview-follow-current-region ()
113 "Write follow message to current region.
114 It calls following-method selected from variable
115 `mime-preview-following-method-alist'."
117 (let ((r-beg (region-beginning))
119 (entity (get-text-property (point-min)
121 (let* ((mode (mime-preview-original-major-mode 'recursive))
123 (format "%s-active-region" (buffer-name)))
125 (the-buf (current-buffer))
127 (with-current-buffer (setq new-buf (get-buffer-create new-name))
130 (insert-buffer-substring the-buf r-beg r-end)
131 (goto-char (point-min))
132 (let ((current-entity
134 (eq (mime-entity-media-type entity) 'message)
135 (eq (mime-entity-media-subtype entity) 'rfc822))
136 (car (mime-entity-children entity))
138 (while (and current-entity
139 (if (and (eq (mime-entity-media-type
140 current-entity) 'message)
141 (eq (mime-entity-media-subtype
142 current-entity) 'rfc822))
144 (mime-insert-header current-entity fields)
146 (setq fields (std11-collect-field-names)
147 current-entity (mime-entity-parent current-entity))))
148 (let ((rest mime-view-following-required-fields-list)
151 (setq field-name (car rest))
152 (or (std11-field-body field-name)
154 (with-current-buffer the-buf
155 (let ((entity (when mime-mother-buffer
156 (set-buffer mime-mother-buffer)
157 (get-text-property (point)
158 'mime-view-entity))))
160 (null (setq ret (mime-entity-fetch-field
161 entity field-name))))
162 (setq entity (mime-entity-parent entity)))))
164 (insert (concat field-name ": " ret "\n")))))
165 (setq rest (cdr rest)))))
166 (let ((f (cdr (assq mode mime-preview-following-method-alist))))
170 "Sorry, following method for %s is not implemented yet."
173 (defalias 'wl-draft-enclose-digest-region 'mime-edit-enclose-digest-region)
175 (defun wl-draft-preview-attributes-list ()
176 (if (listp (car wl-draft-preview-attributes-list))
178 (nconc (and (wl-message-mail-p)
180 (cdr (assq 'mail wl-draft-preview-attributes-list))))
181 (and (wl-message-news-p)
183 (cdr (assq 'news wl-draft-preview-attributes-list))))))
184 wl-draft-preview-attributes-list))
186 (defun wl-draft-show-attributes-buffer (attribute-values)
187 (let* ((cur-win (selected-window))
189 (- (window-height cur-win)
191 (- (window-height cur-win)
194 (1+ wl-draft-preview-attributes-buffer-lines))))))
195 (split-window cur-win (if (> size 0) size window-min-height))
196 (select-window (next-window))
197 (let ((pop-up-windows nil))
198 (switch-to-buffer (get-buffer-create
199 wl-draft-preview-attributes-buffer-name)))
201 (get-buffer wl-draft-preview-attributes-buffer-name)
202 (setq buffer-read-only t)
203 (let (buffer-read-only)
205 (dolist (pair attribute-values)
206 (insert (capitalize (symbol-name (car pair))) ": "
207 (format "%s" (or (cdr pair) ""))
209 (goto-char (point-min))
210 (wl-highlight-headers)))
211 (select-window cur-win)))
213 (defun wl-draft-hide-attributes-buffer ()
215 (when (setq window (get-buffer-window
216 wl-draft-preview-attributes-buffer-name))
217 (select-window window)
219 (when (setq buffer (get-buffer wl-draft-preview-attributes-buffer-name))
220 (kill-buffer buffer))))
222 (defun wl-draft-attribute-recipients ()
223 (let (wl-draft-remove-group-list-contents)
227 (wl-draft-deduce-address-list
231 (goto-char (point-min))
235 (regexp-quote mail-header-separator)
239 (wl-draft-parse-mailbox-list wl-draft-mime-bcc-field-name))
242 (defun wl-draft-attribute-envelope-from ()
244 (wl-address-header-extract-address wl-from)))
246 (defun wl-draft-attribute-smtp-posting-server ()
247 (or wl-smtp-posting-server
248 (progn (require 'smtp) smtp-server)
251 (defun wl-draft-attribute-smtp-posting-port ()
252 (or wl-smtp-posting-port
253 (progn (require 'smtp) smtp-service)))
255 (defun wl-draft-attribute-newsgroups ()
256 (std11-field-body "Newsgroups"))
258 (defun wl-draft-nntp-attribute (attribute &optional alternatives)
259 (let ((config (cdr (elmo-string-matched-assoc
260 (std11-field-body "newsgroups")
261 wl-nntp-posting-config-alist)))
263 (when (stringp config)
264 (setq config (list (cons 'server config))))
265 (if (setq entry (assq attribute config))
270 (if (setq value (symbol-value (car alternatives)))
271 (setq alternatives nil)
272 (setq alternatives (cdr alternatives))))
275 (defun wl-draft-attribute-nntp-posting-server ()
276 (wl-draft-nntp-attribute
278 '(wl-nntp-posting-server elmo-nntp-default-server)))
280 (defun wl-draft-attribute-nntp-posting-port ()
281 (wl-draft-nntp-attribute
283 '(wl-nntp-posting-port elmo-nntp-default-port)))
285 (defun wl-draft-attribute-value (attr)
286 (let ((name (symbol-name attr))
288 (cond ((and (setq fsymbol (intern-soft
289 (format "wl-draft-attribute-%s" name)))
292 ((and (setq symbol (intern-soft (format "wl-%s" name)))
294 (symbol-value symbol))
296 (symbol-value attr)))))
298 (defun wl-mime-quit-preview ()
299 "Quitting method for mime-view."
300 (let* ((temp (and (boundp 'mime-edit-temp-message-buffer) ;; for SEMI <= 1.14.6
301 mime-edit-temp-message-buffer))
302 (window (selected-window))
304 (mime-preview-kill-buffer)
306 (setq buf mime-edit-buffer)
308 (select-window window)
309 (switch-to-buffer buf)))
311 (defun wl-draft-preview-message ()
312 "Preview editing message."
314 (let* (attribute-values
315 (orig-buffer (current-buffer))
316 (current-point (point))
317 (config-exec-flag wl-draft-config-exec-flag)
318 (parent-folder wl-draft-parent-folder)
319 (mime-display-header-hook 'wl-highlight-headers)
320 (mime-header-encode-method-alist
322 '((wl-draft-eword-encode-address-list
323 . (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
324 (if (boundp 'mime-header-encode-method-alist)
325 (symbol-value 'mime-header-encode-method-alist))))
326 mime-view-ignored-field-list ; all header.
327 (mime-edit-translate-buffer-hook
330 (let ((wl-draft-config-exec-flag config-exec-flag)
331 (wl-draft-parent-folder parent-folder)
332 (copy-buffer (current-buffer)))
333 (wl-copy-local-variables
336 (with-current-buffer orig-buffer
337 (append wl-draft-config-variables
338 (wl-draft-clone-local-variables))))
339 (goto-char current-point)
340 (run-hooks 'wl-draft-send-hook)
342 (setq attribute-values
345 (cons attr (wl-draft-attribute-value attr)))
346 (if wl-draft-preview-attributes
347 (wl-draft-preview-attributes-list)
350 (kill-buffer (current-buffer))
351 (signal (car err) (cdr err))))))
352 mime-edit-translate-buffer-hook)))
353 (mime-edit-preview-message)
354 (make-local-variable 'mime-preview-quitting-method-alist)
355 (setq mime-preview-quitting-method-alist
356 '((mime-temp-message-mode . wl-mime-quit-preview)))
357 (let ((buffer-read-only nil))
358 (when wl-highlight-body-too
360 (run-hooks 'wl-draft-preview-message-hook))
361 (if (fboundp 'make-local-hook)
362 (make-local-hook 'kill-buffer-hook))
363 (add-hook 'kill-buffer-hook #'wl-draft-hide-attributes-buffer nil t)
364 (if wl-draft-preview-attributes
365 (ignore-errors ; in case when the window is too small
366 (wl-draft-show-attributes-buffer attribute-values))
367 (message (concat "Recipients: "
368 (cdr (assq 'recipients attribute-values)))))))
370 (defalias 'wl-draft-caesar-region 'mule-caesar-region)
372 (defalias 'wl-draft-insert-message 'mime-edit-insert-message)
374 (defalias 'wl-draft-insert-mail 'mime-edit-insert-mail)
378 (defun wl-message-decode-mode (outbuf inbuf)
379 (let ((mime-view-content-header-filter-hook 'wl-highlight-headers)
380 (mime-display-header-hook 'wl-highlight-headers))
381 (mime-view-mode nil nil nil inbuf outbuf)))
383 (defun wl-message-decode-with-all-header (outbuf inbuf)
384 (let ((mime-view-ignored-field-regexp "^:$")
385 (mime-view-content-header-filter-hook 'wl-highlight-headers)
386 (mime-display-header-hook 'wl-highlight-headers)
387 mime-view-ignored-field-list)
388 (mime-view-mode nil nil nil inbuf outbuf)))
390 (defun wl-message-delete-popup-windows ()
391 (dolist (buffer wl-message-popup-buffers)
392 (when (or (stringp buffer)
393 (and (symbolp buffer)
395 (setq buffer (symbol-value buffer))))
396 (let ((window (get-buffer-window buffer)))
398 (delete-window window))))))
400 (defun wl-message-request-partial (folder number)
402 (elmo-message-fetch (wl-folder-get-elmo-folder folder)
404 (elmo-make-fetch-strategy 'entire)
406 (mime-parse-buffer nil)))
408 (defalias 'wl-message-read 'mime-preview-scroll-up-entity)
409 (defalias 'wl-message-next-content 'mime-preview-move-to-next)
410 (defalias 'wl-message-prev-content 'mime-preview-move-to-previous)
411 (defalias 'wl-message-play-content 'mime-preview-play-current-entity)
412 (defalias 'wl-message-extract-content 'mime-preview-extract-current-entity)
413 (defalias 'wl-message-quit 'mime-preview-quit)
414 (defalias 'wl-message-button-dispatcher-internal
415 'mime-button-dispatcher)
417 (defsubst wl-mime-node-id-to-string (node-id)
419 (mapconcat (lambda (num) (format "%s" (1+ num)))
424 (defun wl-message-delete-current-part ()
425 "Delete a part under the cursor from the multipart message."
429 (let* ((entity (get-text-property (point) 'mime-view-entity))
430 (node-id (mime-entity-node-id entity))
431 (filename (mime-entity-safe-filename entity))
432 (header-start (mime-buffer-entity-header-start-internal entity))
433 (body-end (mime-buffer-entity-body-end-internal entity))
434 (folder (wl-folder-get-elmo-folder wl-message-buffer-cur-folder))
435 (number wl-message-buffer-cur-number)
436 (msgid (elmo-message-field folder number 'message-id))
437 (orig-buf wl-message-buffer-original-buffer))
438 (if (eq (luna-class-name entity) 'mime-elmo-imap-entity)
439 (error "Please fetch the entire message (by typing 'C-u .') and try again"))
440 (with-current-buffer orig-buf
441 (unless (string-equal
443 (elmo-message-fetch-string
445 (elmo-make-fetch-strategy 'entire)))
446 (error "Buffer content differs from actual message")))
447 (when (and (elmo-folder-writable-p folder)
448 (buffer-live-p orig-buf)
451 (format "Do you really want to delete part %s? "
452 (wl-mime-node-id-to-string node-id))))
453 (when (with-temp-buffer
454 (insert-buffer-substring orig-buf)
455 (delete-region header-start body-end)
456 (goto-char header-start)
457 (insert "Content-Type: text/plain; charset=US-ASCII\n")
460 "Content-Disposition:"
461 (mime-encode-field-body
464 (concat " inline; filename=" (std11-wrap-as-quoted-string filename))))
465 "Content-Disposition")
468 (insert "** This part has been removed by Wanderlust **\n\n")
469 (elmo-folder-append-buffer folder))
471 (elmo-folder-move-messages
473 (wl-folder-get-elmo-folder wl-trash-folder))
474 (when (and (elmo-cache-get-path msgid)
475 (file-exists-p (elmo-cache-get-path msgid)))
476 (delete-file (elmo-cache-get-path msgid)))
479 (wl-summary-delete-messages-on-buffer (list number))
480 (wl-summary-toggle-disp-msg 'off)
481 (setq wl-message-buffer nil)
482 (wl-summary-sync nil "update"))))))
486 (defmacro wl-define-dummy-functions (&rest symbols)
487 `(dolist (symbol (quote ,symbols))
488 (defalias symbol 'ignore))))
491 ;; split eval-when-compile form for avoid error on `make compile-strict'
496 (wl-define-dummy-functions epg-make-context
499 epg-context-set-progress-callback
500 epg-context-result-for
501 epg-verify-result-to-string
506 (wl-define-dummy-functions pgg-decrypt-region
508 pgg-display-output-buffer))))
510 (defun wl-epg-progress-callback (context what char current total reporter)
511 (let ((label (elmo-progress-counter-label reporter)))
513 (elmo-progress-notify label :set current :total total))))
515 (defun wl-mime-pgp-decrypt-region-with-epg (beg end &optional no-decode)
517 (let ((context (epg-make-context)))
518 (elmo-with-progress-display (epg-decript nil reporter)
520 (epg-context-set-progress-callback context
521 (cons #'wl-epg-progress-callback
524 (decode-coding-string
527 (buffer-substring beg end))
528 (if no-decode 'raw-text wl-cs-autoconv))
529 (delete-region beg end)))))
530 last-coding-system-used)
532 (defun wl-mime-pgp-verify-region-with-epg (beg end &optional coding-system)
534 (let ((context (epg-make-context)))
535 (elmo-with-progress-display (epg-verify nil reporter)
537 (epg-context-set-progress-callback context
538 (cons #'wl-epg-progress-callback
542 (encode-coding-string
543 (buffer-substring beg end)
545 (coding-system-change-eol-conversion coding-system 'dos)
547 (when (epg-context-result-for context 'verify)
548 (epa-display-info (epg-verify-result-to-string
549 (epg-context-result-for context 'verify))))))
551 (defun wl-mime-pgp-decrypt-region-with-pgg (beg end &optional no-decode)
553 (let ((buffer-file-coding-system wl-cs-autoconv)
555 (setq status (pgg-decrypt-region beg end))
558 (delete-region beg end)
559 (insert-buffer-substring pgg-output-buffer))
560 (pgg-display-output-buffer beg end status))
562 (error "Decryption is failed"))
563 last-coding-system-used))
565 (defun wl-mime-pgp-verify-region-with-pgg (beg end &optional coding-system)
567 (let ((message-buffer (current-buffer))
570 (insert-buffer-substring message-buffer beg end)
572 (encode-coding-region (point-min) (point-max) coding-system))
573 (setq success (pgg-verify-region (point-min) (point-max) nil 'fetch)))
574 (mime-show-echo-buffer)
575 (set-buffer mime-echo-buffer-name)
577 (get-buffer-window mime-echo-buffer-name)
579 (insert-buffer-substring
582 pgg-errors-buffer))))
584 (defsubst wl-mime-pgp-decrypt-region (beg end &optional no-decode)
585 (case wl-use-pgp-module
587 (wl-mime-pgp-decrypt-region-with-epg beg end no-decode))
589 (wl-mime-pgp-decrypt-region-with-pgg beg end no-decode))
591 (error "Don't support PGP decryption"))))
593 (defsubst wl-mime-pgp-verify-region (beg end &optional coding-system)
594 (case wl-use-pgp-module
596 (wl-mime-pgp-verify-region-with-epg beg end coding-system))
598 (wl-mime-pgp-verify-region-with-pgg beg end coding-system))
600 (error "Don't support PGP decryption"))))
602 (defun wl-message-decrypt-pgp-nonmime ()
603 "Decrypt PGP encrypted region"
607 (let ((region (wl-find-region "^-+BEGIN PGP MESSAGE-+$"
608 "^-+END PGP MESSAGE-+$"))
609 (inhibit-read-only t)
612 (error "Cannot find PGP encrypted region"))
614 (let ((props (text-properties-at (car region))))
615 (narrow-to-region (car region) (cdr region))
616 (when (setq coding-system
617 (wl-mime-pgp-decrypt-region (point-min) (point-max)))
618 (setq props (plist-put props
619 'wl-mime-decoded-coding-system
621 (set-text-properties (point-min) (point-max) props))))))
623 (defun wl-message-verify-pgp-nonmime (&optional arg)
624 "Verify PGP signed region.
625 With ARG, ask coding system and encode the region with it before verifying."
629 (let ((region (wl-find-region "^-+BEGIN PGP SIGNED MESSAGE-+$"
630 "^-+END PGP SIGNATURE-+$"))
633 (error "Cannot find PGP signed region"))
635 (or (get-text-property (car region) 'wl-mime-decoded-coding-system)
636 (let* ((situation (mime-preview-find-boundary-info))
637 (entity (aref situation 2)))
638 (mime-charset-to-coding-system
639 (mime-content-type-parameter
640 (mime-entity-content-type entity)
642 buffer-file-coding-system))
644 (setq coding-system (read-coding-system
645 (format "Coding system (%S): " coding-system)
647 (wl-mime-pgp-verify-region (car region) (cdr region) coding-system))))
649 ;; XXX: encrypted multipart isn't represented as multipart
650 (defun wl-mime-preview-application/pgp (parent-entity entity situation)
651 (goto-char (point-max))
653 raw-buf to-buf representation-type child-entity)
656 (narrow-to-region p p)
657 (setq to-buf (current-buffer))
659 (setq raw-buf (current-buffer))
660 (mime-insert-entity entity)
662 (goto-char (point-min))
663 (re-search-forward "^-+BEGIN PGP MESSAGE-+$" nil t))
664 (wl-mime-pgp-decrypt-region (point-min) (point-max) 'no-decode)
665 (setq representation-type 'elmo-buffer))
666 (setq child-entity (mime-parse-message
667 (mm-expand-class-name representation-type)
670 (mime-entity-node-id-internal parent-entity)))
676 (entity-button . invisible))
679 (defun wl-mime-preview-application/pgp-encrypted (entity situation)
680 (let* ((entity-node-id (mime-entity-node-id entity))
681 (mother (mime-entity-parent entity))
682 (knum (car entity-node-id))
686 (orig-entity (nth onum (mime-entity-children mother))))
687 (wl-mime-preview-application/pgp entity orig-entity situation)))
690 (defun wl-summary-burst-subr (message-entity target number)
691 ;; returns new number.
692 (let (content-type entity)
693 (setq content-type (mime-entity-content-type message-entity))
694 (cond ((eq (cdr (assq 'type content-type)) 'multipart)
695 (dolist (entity (mime-entity-children message-entity))
696 (setq number (wl-summary-burst-subr
700 ((and (eq (cdr (assq 'type content-type)) 'message)
701 (eq (cdr (assq 'subtype content-type)) 'rfc822))
702 (message "Bursting...%s" (setq number (+ 1 number)))
704 (car (mime-entity-children message-entity)))
706 (set-buffer-multibyte nil)
707 (insert (mime-entity-body message-entity))
708 (elmo-folder-append-buffer target))))
711 (defun wl-summary-burst (&optional arg)
712 "De-capsulate embedded messages in MIME format.
713 With ARG, ask destination folder."
715 (let ((raw-buf (wl-summary-get-original-buffer))
716 (view-buf wl-message-buffer)
717 message-entity target)
719 (when (and (null arg)
720 (elmo-folder-writable-p wl-summary-buffer-elmo-folder))
721 (setq target wl-summary-buffer-elmo-folder))
723 (let ((name (wl-summary-read-folder wl-default-folder
725 (setq target (wl-folder-get-elmo-folder name))
726 (unless (elmo-folder-writable-p target)
727 (message "%s is not writable" name)
730 (wl-summary-set-message-buffer-or-redisplay)
731 (with-current-buffer view-buf
733 (get-text-property (point-min) 'mime-view-entity)))
735 (message "Bursting...")
736 (with-current-buffer raw-buf
737 (wl-summary-burst-subr message-entity target 0))
738 (message "Bursting...done"))
739 (if (elmo-folder-plugged-p target)
740 (elmo-folder-check target)))
742 (string= wl-summary-buffer-folder-name
743 (elmo-folder-name-internal target)))
744 (save-excursion (wl-summary-sync-update)))))
746 ;; internal variable.
747 (defvar wl-mime-save-directory nil "Last saved directory.")
748 ;;; Yet another save method.
749 (defun wl-mime-save-content (entity situation)
750 (let ((filename (expand-file-name
751 (read-file-name "Save to file: "
753 (or (mime-entity-safe-filename entity)
755 (or wl-mime-save-directory
756 wl-temporary-file-directory))))))
757 (while (file-directory-p filename)
758 (setq filename (read-file-name "Please set filename (not directory): "
760 (if (and (file-exists-p filename)
761 (not (yes-or-no-p (format "File %s exists. Save anyway? "
763 (message "Not saved")
764 (setq wl-mime-save-directory (file-name-directory filename))
765 (mime-write-entity-content entity filename))))
767 (defun wl-summary-extract-attachments-1 (message-entity directory number)
768 ;; returns new number.
769 (let (children filename)
771 ((setq children (mime-entity-children message-entity))
772 (dolist (entity children)
774 (wl-summary-extract-attachments-1 entity directory number))))
775 ((and (eq (mime-content-disposition-type
776 (mime-entity-content-disposition message-entity))
778 (setq filename (mime-entity-safe-filename message-entity)))
779 (let ((full (expand-file-name filename directory)))
780 (when (or (not (file-exists-p full))
782 (format "File %s exists. Save anyway? " filename)))
783 (message "Extracting...%s" (setq number (+ 1 number)))
784 (mime-write-entity-content message-entity full)))))
787 (defun wl-summary-extract-attachments (directory)
788 "Extract attachment parts in MIME format into the DIRECTORY."
790 (let* ((default (or wl-mime-save-directory
791 wl-temporary-file-directory))
792 (directory (read-directory-name "Extract to " default default t)))
793 (list (if (> (length directory) 0) directory default))))
794 (unless (and (file-writable-p directory)
795 (file-directory-p directory))
796 (error "%s is not writable" directory))
798 (wl-summary-set-message-buffer-or-redisplay)
799 (let ((entity (get-text-property (point-min) 'mime-view-entity)))
801 (message "Extracting...")
802 (wl-summary-extract-attachments-1 entity directory 0)
803 (message "Extracting...done")))))
805 ;;; Yet another combine method.
806 (defun wl-mime-combine-message/partial-pieces (entity situation)
807 "Internal method for wl to combine message/partial messages automatically."
809 (let* ((folder (with-current-buffer wl-message-buffer-cur-summary-buffer
810 wl-summary-buffer-elmo-folder))
811 (mime-display-header-hook 'wl-highlight-headers)
812 (id (or (cdr (assoc "id" situation)) ""))
813 (mother (current-buffer))
814 (summary-buf wl-message-buffer-cur-summary-buffer)
816 (root-dir (expand-file-name
817 (concat "m-prts-" (user-login-name))
818 temporary-file-directory))
820 (setq root-dir (concat root-dir "/" (replace-as-filename id)))
821 (setq full-file (concat root-dir "/FULL"))
822 (if (or (file-exists-p full-file)
823 (not (y-or-n-p "Merge partials? ")))
824 (with-current-buffer mother
825 (mime-store-message/partial-piece entity situation)
826 (setq wl-message-buffer-cur-summary-buffer summary-buf)
827 (make-local-variable 'mime-preview-over-to-next-method-alist)
828 (setq mime-preview-over-to-next-method-alist
829 (cons (cons 'mime-show-message-mode 'wl-message-exit)
830 mime-preview-over-to-next-method-alist))
831 (make-local-variable 'mime-preview-over-to-previous-method-alist)
832 (setq mime-preview-over-to-previous-method-alist
833 (cons (cons 'mime-show-message-mode 'wl-message-exit)
834 mime-preview-over-to-previous-method-alist)))
837 (decode-mime-charset-string
838 (mime-entity-read-field entity 'Subject)
839 wl-summary-buffer-mime-charset)))
840 (if (string-match "[0-9\n]+" subject-id)
841 (setq subject-id (substring subject-id 0 (match-beginning 0))))
843 (elmo-folder-do-each-message-entity (entity folder)
845 (regexp-quote subject-id)
846 (elmo-message-entity-field entity 'subject))
848 ;; request message at the cursor in Subject buffer.
849 (wl-message-request-partial
850 (elmo-folder-name-internal folder)
851 (elmo-message-entity-number entity)))
852 (situation (mime-entity-situation message))
853 (the-id (or (cdr (assoc "id" situation)) "")))
854 (when (string= (downcase the-id)
856 (with-current-buffer mother
857 (mime-store-message/partial-piece message situation))
858 (if (file-exists-p full-file)
859 (throw 'tag nil))))))
860 (message "Not all partials found.")))))
862 (defun wl-mime-display-text/plain (entity situation)
864 (mime-display-text/plain entity situation)
865 (wl-highlight-message beg (point-max) t t)))
867 (defun wl-mime-display-header (entity situation)
868 (let ((elmo-message-ignored-field-list
869 (if wl-message-buffer-require-all-header
871 wl-message-ignored-field-list))
872 (elmo-message-visible-field-list wl-message-visible-field-list)
873 (elmo-message-sorted-field-list wl-message-sort-field-list))
874 (elmo-mime-insert-header entity situation)
875 (wl-highlight-headers)))
877 (defun wl-mime-decrypt-application/pgp-encrypted (entity situation)
878 (let ((summary-buffer wl-message-buffer-cur-summary-buffer)
879 (original-buffer wl-message-buffer-original-buffer))
880 (mime-decrypt-application/pgp-encrypted entity situation)
881 (setq wl-message-buffer-cur-summary-buffer summary-buffer)
882 (setq wl-message-buffer-original-buffer original-buffer)))
886 (defun wl-mime-setup ()
887 (set-alist 'mime-preview-quitting-method-alist
888 'wl-original-message-mode 'wl-message-exit)
889 (set-alist 'mime-view-over-to-previous-method-alist
890 'wl-original-message-mode 'wl-message-exit)
891 (set-alist 'mime-view-over-to-next-method-alist
892 'wl-original-message-mode 'wl-message-exit)
893 (set-alist 'mime-preview-over-to-previous-method-alist
894 'wl-original-message-mode 'wl-message-exit)
895 (set-alist 'mime-preview-over-to-next-method-alist
896 'wl-original-message-mode 'wl-message-exit)
897 (add-hook 'wl-summary-toggle-disp-off-hook 'wl-message-delete-popup-windows)
898 (add-hook 'wl-summary-redisplay-hook 'wl-message-delete-popup-windows)
899 (add-hook 'wl-message-exit-hook 'wl-message-delete-popup-windows)
901 (ctree-set-calist-strictly
902 'mime-preview-condition
903 '((type . text) (subtype . plain)
905 (body-presentation-method . wl-mime-display-text/plain)
906 (major-mode . wl-original-message-mode)))
908 (ctree-set-calist-strictly
909 'mime-preview-condition
910 '((type . application)(subtype . pgp-encrypted)
913 (body-presentation-method . wl-mime-preview-application/pgp-encrypted)
914 (major-mode . wl-original-message-mode)))
916 (ctree-set-calist-strictly
917 'mime-acting-condition
918 '((type . message) (subtype . partial)
919 (method . wl-mime-combine-message/partial-pieces)
920 (request-partial-message-method . wl-message-request-partial)
921 (major-mode . wl-original-message-mode)))
923 (ctree-set-calist-strictly
924 'mime-acting-condition
925 '((type . application) (subtype . pgp-encrypted)
926 (method . wl-mime-decrypt-application/pgp-encrypted)
927 (major-mode . wl-original-message-mode)))
929 (ctree-set-calist-strictly
930 'mime-acting-condition
932 (major-mode . wl-original-message-mode)
933 (method . wl-mime-save-content)))
934 (set-alist 'mime-preview-following-method-alist
935 'wl-original-message-mode
936 (function wl-message-follow-current-entity))
937 (set-alist 'mime-view-following-method-alist
938 'wl-original-message-mode
939 (function wl-message-follow-current-entity))
940 (set-alist 'mime-edit-message-inserter-alist
941 'wl-draft-mode (function wl-draft-insert-current-message))
942 (set-alist 'mime-edit-mail-inserter-alist
943 'wl-draft-mode (function wl-draft-insert-get-message))
944 (set-alist 'mime-edit-split-message-sender-alist
946 (cdr (assq 'mail-mode mime-edit-split-message-sender-alist)))
947 (set-alist 'mime-raw-representation-type-alist
948 'wl-original-message-mode 'binary)
949 ;; Sort and highlight header fields.
950 (or wl-message-ignored-field-list
951 (setq wl-message-ignored-field-list
952 mime-view-ignored-field-list))
953 (or wl-message-visible-field-list
954 (setq wl-message-visible-field-list
955 mime-view-visible-field-list))
956 (set-alist 'mime-header-presentation-method-alist
957 'wl-original-message-mode
958 'wl-mime-display-header)
959 ;; To avoid overriding wl-draft-mode-map.
960 (when (boundp 'mime-setup-signature-key-alist)
961 (unless (assq 'wl-draft-mode mime-setup-signature-key-alist)
962 (setq mime-setup-signature-key-alist
963 (cons '(wl-draft-mode . "\C-c\C-w")
964 mime-setup-signature-key-alist)))))
967 (product-provide (provide 'wl-mime) (require 'wl-version))
969 ;;; wl-mime.el ends here