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.
38 (defalias-maybe 'Meadow-version 'ignore))
40 (defvar xemacs-betaname)
41 (defvar xemacs-codename)
42 (defvar enable-multibyte-characters)
47 (defalias 'wl-draft-editor-mode 'mime-edit-mode)
49 (defalias 'wl-draft-decode-message-in-buffer
50 'mime-edit-decode-message-in-buffer)
52 (defun wl-draft-yank-current-message-entity ()
53 "Yank currently displayed message entity.
54 By setting following-method as yank-content."
55 (let ((wl-draft-buffer (current-buffer))
56 (mime-view-following-method-alist
57 (list (cons 'wl-original-message-mode
58 (function wl-draft-yank-to-draft-buffer))))
59 (mime-preview-following-method-alist
60 (list (cons 'wl-original-message-mode
61 (function wl-draft-yank-to-draft-buffer)))))
62 (if (get-buffer (wl-current-message-buffer))
65 (set-buffer (wl-current-message-buffer))
67 (mime-preview-follow-current-entity))))))
69 (defalias 'wl-draft-enclose-digest-region 'mime-edit-enclose-digest-region)
71 (defun wl-draft-preview-message ()
72 "Preview editing message."
74 (let* (recipients-message
75 (current-point (point))
76 (config-exec-flag wl-draft-config-exec-flag)
77 (parent-folder wl-draft-parent-folder)
78 (mime-display-header-hook 'wl-highlight-headers)
79 (mime-header-encode-method-alist
81 '((wl-draft-eword-encode-address-list
82 . (To Cc Bcc Resent-To Resent-Cc Bcc Resent-Bcc)))
83 (if (boundp 'mime-header-encode-method-alist)
84 (symbol-value 'mime-header-encode-method-alist))))
85 mime-view-ignored-field-list ; all header.
86 (mime-edit-translate-buffer-hook
91 (let ((wl-draft-config-exec-flag config-exec-flag)
92 (wl-draft-parent-folder parent-folder))
93 (goto-char current-point)
94 (run-hooks 'wl-draft-send-hook)
95 (setq recipients-message
97 (concat "Recipients: "
100 (wl-draft-deduce-address-list
104 (goto-char (point-min))
108 (regexp-quote mail-header-separator)
114 (kill-buffer (current-buffer))
115 (signal (car err) (cdr err)))))))))
116 mime-edit-translate-buffer-hook)))
117 (mime-edit-preview-message)
118 (let ((buffer-read-only nil))
119 (when wl-highlight-body-too
121 (run-hooks 'wl-draft-preview-message-hook))
122 (message recipients-message)))
124 (defalias 'wl-draft-caesar-region 'mule-caesar-region)
126 (defalias 'wl-draft-insert-message 'mime-edit-insert-message)
128 (defalias 'wl-draft-insert-mail 'mime-edit-insert-mail)
132 (defun wl-message-decode-mode (outbuf inbuf)
133 (let ((mime-view-content-header-filter-hook 'wl-highlight-headers)
134 (mime-display-header-hook 'wl-highlight-headers))
135 (mime-view-mode nil nil nil inbuf outbuf)))
137 (defun wl-message-decode-with-all-header (outbuf inbuf)
138 (let ((mime-view-ignored-field-regexp "^:$")
139 (mime-view-content-header-filter-hook 'wl-highlight-headers)
140 (mime-display-header-hook 'wl-highlight-headers)
141 mime-view-ignored-field-list)
142 (mime-view-mode nil nil nil inbuf outbuf)))
144 (defun wl-message-delete-mime-out-buf ()
145 (let (mime-out-buf mime-out-win)
146 (if (setq mime-out-buf (get-buffer mime-echo-buffer-name))
147 (if (setq mime-out-win (get-buffer-window mime-out-buf))
148 (delete-window mime-out-win)))))
150 (defun wl-message-request-partial (folder number)
152 (elmo-message-fetch (wl-folder-get-elmo-folder folder)
154 (elmo-make-fetch-strategy 'entire)
158 (mime-parse-buffer nil)))
160 (defalias 'wl-message-read 'mime-preview-scroll-up-entity)
161 (defalias 'wl-message-next-content 'mime-preview-move-to-next)
162 (defalias 'wl-message-prev-content 'mime-preview-move-to-previous)
163 (defalias 'wl-message-play-content 'mime-preview-play-current-entity)
164 (defalias 'wl-message-extract-content 'mime-preview-extract-current-entity)
165 (defalias 'wl-message-quit 'mime-preview-quit)
166 (defalias 'wl-message-button-dispatcher-internal
167 'mime-button-dispatcher)
170 (defun wl-summary-burst-subr (message-entity target number)
171 ;; returns new number.
172 (let (content-type entity)
173 (setq content-type (mime-entity-content-type message-entity))
174 (cond ((eq (cdr (assq 'type content-type)) 'multipart)
175 (dolist (entity (mime-entity-children message-entity))
176 (setq number (wl-summary-burst-subr
180 ((and (eq (cdr (assq 'type content-type)) 'message)
181 (eq (cdr (assq 'subtype content-type)) 'rfc822))
182 (message "Bursting...%s" (setq number (+ 1 number)))
184 (car (mime-entity-children message-entity)))
186 (insert (mime-entity-body message-entity))
187 (elmo-folder-append-buffer
189 (mime-entity-fetch-field entity "Message-ID")))))
192 (defun wl-summary-burst ()
195 (let ((raw-buf (wl-summary-get-original-buffer))
196 (view-buf wl-message-buffer)
197 children message-entity content-type target)
199 (setq target wl-summary-buffer-elmo-folder)
200 (while (not (elmo-folder-writable-p target))
202 (wl-summary-read-folder wl-default-folder "to extract to")))
203 (wl-summary-set-message-buffer-or-redisplay)
204 (with-current-buffer view-buf
205 (setq message-entity (get-text-property (point-min) 'mime-view-entity)))
207 (message "Bursting...")
208 (with-current-buffer raw-buf
209 (wl-summary-burst-subr message-entity target 0))
210 (message "Bursting...done"))
211 (if (elmo-folder-plugged-p target)
212 (elmo-folder-check target)))
213 (wl-summary-sync-update)))
215 ;; internal variable.
216 (defvar wl-mime-save-directory nil "Last saved directory.")
217 ;;; Yet another save method.
218 (defun wl-mime-save-content (entity situation)
219 (let ((filename (read-file-name "Save to file: "
221 (or (mime-entity-safe-filename entity)
223 (or wl-mime-save-directory
224 wl-temporary-file-directory)))))
225 (while (file-directory-p filename)
226 (setq filename (read-file-name "Please set filename (not directory): "
228 (if (and (file-exists-p filename)
229 (not (yes-or-no-p (format "File %s exists. Save anyway? "
231 (message "Not saved")
232 (setq wl-mime-save-directory (file-name-directory filename))
233 (mime-write-entity-content entity filename))))
235 ;;; Yet another combine method.
236 (defun wl-mime-combine-message/partial-pieces (entity situation)
237 "Internal method for wl to combine message/partial messages automatically."
239 (let* ((msgdb (save-excursion
240 (set-buffer wl-message-buffer-cur-summary-buffer)
241 (wl-summary-buffer-msgdb)))
242 (mime-display-header-hook 'wl-highlight-headers)
243 (folder wl-message-buffer-cur-folder)
244 (id (or (cdr (assoc "id" situation)) ""))
245 (mother (current-buffer))
246 (summary-buf wl-message-buffer-cur-summary-buffer)
248 (root-dir (expand-file-name
249 (concat "m-prts-" (user-login-name))
250 temporary-file-directory))
252 (setq root-dir (concat root-dir "/" (replace-as-filename id)))
253 (setq full-file (concat root-dir "/FULL"))
254 (if (or (file-exists-p full-file)
255 (not (y-or-n-p "Merge partials? ")))
256 (with-current-buffer mother
257 (mime-store-message/partial-piece entity situation)
258 (setq wl-message-buffer-cur-summary-buffer summary-buf)
259 (make-variable-buffer-local 'mime-preview-over-to-next-method-alist)
260 (setq mime-preview-over-to-next-method-alist
261 (cons (cons 'mime-show-message-mode 'wl-message-exit)
262 mime-preview-over-to-next-method-alist))
263 (make-variable-buffer-local 'mime-preview-over-to-previous-method-alist)
264 (setq mime-preview-over-to-previous-method-alist
265 (cons (cons 'mime-show-message-mode 'wl-message-exit)
266 mime-preview-over-to-previous-method-alist)))
269 (decode-mime-charset-string
270 (mime-entity-read-field entity 'Subject)
271 wl-summary-buffer-mime-charset)))
272 (if (string-match "[0-9\n]+" subject-id)
273 (setq subject-id (substring subject-id 0 (match-beginning 0))))
274 (setq overviews (elmo-msgdb-get-overview msgdb))
278 (regexp-quote subject-id)
279 (elmo-msgdb-overview-entity-get-subject (car overviews)))
281 ;; request message at the cursor in Subject buffer.
282 (wl-message-request-partial
284 (elmo-msgdb-overview-entity-get-number
286 (situation (mime-entity-situation message))
287 (the-id (or (cdr (assoc "id" situation)) "")))
288 (when (string= (downcase the-id)
290 (with-current-buffer mother
291 (mime-store-message/partial-piece message situation))
292 (if (file-exists-p full-file)
294 (setq overviews (cdr overviews)))
295 (message "Not all partials found.")))))
297 (defun wl-mime-display-text/plain (entity situation)
299 (mime-display-text/plain entity situation)
300 (wl-highlight-message beg (point-max) t t)))
302 (defun wl-mime-display-header (entity situation)
303 (let ((elmo-message-ignored-field-list
304 (if wl-message-buffer-all-header-flag
306 wl-message-ignored-field-list))
307 (elmo-message-visible-field-list wl-message-visible-field-list)
308 (elmo-message-sorted-field-list wl-message-sort-field-list))
309 (elmo-mime-insert-header entity situation)
310 (wl-highlight-headers)))
312 (defun wl-mime-decrypt-application/pgp-encrypted (entity situation)
313 (let ((summary-buffer wl-message-buffer-cur-summary-buffer)
314 (original-buffer wl-message-buffer-original-buffer))
315 (mime-decrypt-application/pgp-encrypted entity situation)
316 (setq wl-message-buffer-cur-summary-buffer summary-buffer)
317 (setq wl-message-buffer-original-buffer original-buffer)))
321 (defun wl-mime-setup ()
322 (set-alist 'mime-preview-quitting-method-alist
323 'wl-original-message-mode 'wl-message-exit)
324 (set-alist 'mime-view-over-to-previous-method-alist
325 'wl-original-message-mode 'wl-message-exit)
326 (set-alist 'mime-view-over-to-next-method-alist
327 'wl-original-message-mode 'wl-message-exit)
328 (set-alist 'mime-preview-over-to-previous-method-alist
329 'wl-original-message-mode 'wl-message-exit)
330 (set-alist 'mime-preview-over-to-next-method-alist
331 'wl-original-message-mode 'wl-message-exit)
332 (add-hook 'wl-summary-redisplay-hook 'wl-message-delete-mime-out-buf)
333 (add-hook 'wl-message-exit-hook 'wl-message-delete-mime-out-buf)
335 (ctree-set-calist-strictly
336 'mime-preview-condition
337 '((type . text) (subtype . plain)
339 (body-presentation-method . wl-mime-display-text/plain)
340 (major-mode . wl-original-message-mode)))
342 (ctree-set-calist-strictly
343 'mime-acting-condition
344 '((type . message) (subtype . partial)
345 (method . wl-mime-combine-message/partial-pieces)
346 (request-partial-message-method . wl-message-request-partial)
347 (major-mode . wl-original-message-mode)))
349 (ctree-set-calist-strictly
350 'mime-acting-condition
351 '((type . application) (subtype . pgp-encrypted)
352 (method . wl-mime-decrypt-application/pgp-encrypted)
353 (major-mode . wl-original-message-mode)))
355 (ctree-set-calist-strictly
356 'mime-acting-condition
358 (major-mode . wl-original-message-mode)
359 (method . wl-mime-save-content)))
360 (set-alist 'mime-preview-following-method-alist
361 'wl-original-message-mode
362 (function wl-message-follow-current-entity))
363 (set-alist 'mime-view-following-method-alist
364 'wl-original-message-mode
365 (function wl-message-follow-current-entity))
366 (set-alist 'mime-edit-message-inserter-alist
367 'wl-draft-mode (function wl-draft-insert-current-message))
368 (set-alist 'mime-edit-mail-inserter-alist
369 'wl-draft-mode (function wl-draft-insert-get-message))
370 (set-alist 'mime-edit-split-message-sender-alist
372 (cdr (assq 'mail-mode mime-edit-split-message-sender-alist)))
373 (set-alist 'mime-raw-representation-type-alist
374 'wl-original-message-mode 'binary)
375 ;; Sort and highlight header fields.
376 (or wl-message-ignored-field-list
377 (setq wl-message-ignored-field-list
378 mime-view-ignored-field-list))
379 (or wl-message-visible-field-list
380 (setq wl-message-visible-field-list
381 mime-view-visible-field-list))
382 (set-alist 'mime-header-presentation-method-alist
383 'wl-original-message-mode
384 'wl-mime-display-header)
385 ;; To avoid overriding wl-draft-mode-map.
386 (when (boundp 'mime-setup-signature-key-alist)
387 (unless (assq 'wl-draft-mode mime-setup-signature-key-alist)
388 (setq mime-setup-signature-key-alist
389 (cons '(wl-draft-mode . "\C-c\C-w")
390 mime-setup-signature-key-alist)))))
393 (product-provide (provide 'wl-mime) (require 'wl-version))
395 ;;; wl-mime.el ends here