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bdcfe844 | 1 | ;;; mh-mime.el --- MH-E support for composing MIME messages |
c26cf6c8 | 2 | |
e495eaec | 3 | ;; Copyright (C) 1993, 1995, |
deceef67 | 4 | ;; 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
a1b4049d BW |
5 | |
6 | ;; Author: Bill Wohler <wohler@newt.com> | |
7 | ;; Maintainer: Bill Wohler <wohler@newt.com> | |
8 | ;; Keywords: mail | |
9 | ;; See: mh-e.el | |
c26cf6c8 | 10 | |
60370d40 | 11 | ;; This file is part of GNU Emacs. |
c26cf6c8 | 12 | |
9b7bc076 | 13 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
c26cf6c8 RS |
14 | ;; it under the terms of the GNU General Public License as published by |
15 | ;; the Free Software Foundation; either version 2, or (at your option) | |
16 | ;; any later version. | |
17 | ||
9b7bc076 | 18 | ;; GNU Emacs is distributed in the hope that it will be useful, |
c26cf6c8 RS |
19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | ;; GNU General Public License for more details. | |
22 | ||
23 | ;; You should have received a copy of the GNU General Public License | |
b578f267 | 24 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
3a35cf56 LK |
25 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
26 | ;; Boston, MA 02110-1301, USA. | |
c26cf6c8 RS |
27 | |
28 | ;;; Commentary: | |
29 | ||
bdcfe844 | 30 | ;; Internal support for MH-E package. |
0c47b17c BW |
31 | ;; Support for generating MH-style directives for mhn or mhbuild as well as |
32 | ;; MML (MIME Meta Language) tags. MH-style directives are supported by MH 6.8 | |
33 | ;; or later. | |
c26cf6c8 | 34 | |
847b8219 KH |
35 | ;;; Change Log: |
36 | ||
c26cf6c8 RS |
37 | ;;; Code: |
38 | ||
f0d73c14 | 39 | (eval-when-compile (require 'mh-acros)) |
a66894d8 BW |
40 | (mh-require-cl) |
41 | (require 'mh-comp) | |
bdcfe844 | 42 | (require 'gnus-util) |
a66894d8 | 43 | (require 'mh-gnus) |
bdcfe844 | 44 | |
bdcfe844 | 45 | (autoload 'article-emphasize "gnus-art") |
0c47b17c | 46 | (autoload 'gnus-article-goto-header "gnus-art") |
bdcfe844 | 47 | (autoload 'gnus-eval-format "gnus-spec") |
0c47b17c | 48 | (autoload 'gnus-get-buffer-create "gnus") |
bdcfe844 | 49 | (autoload 'message-options-set-recipient "message") |
1bea9ec4 | 50 | (autoload 'mm-uu-dissect "mm-uu") |
0c47b17c | 51 | (autoload 'mml-unsecure-message "mml-sec") |
924df208 | 52 | (autoload 'rfc2047-decode-region "rfc2047") |
0c47b17c | 53 | (autoload 'widget-convert-button "wid-edit") |
bdcfe844 | 54 | |
c3d9274a | 55 | ;;;###mh-autoload |
bdcfe844 | 56 | (defun mh-compose-insertion (&optional inline) |
0c47b17c BW |
57 | "Add tag to include a file such as an image or sound. |
58 | You are prompted for the filename containing the object, the media type if it | |
59 | cannot be determined automatically, and a content description. If you're using | |
60 | MH-style directives, you will also be prompted for additional attributes. | |
61 | ||
62 | The option `mh-compose-insertion' controls what type of tags are inserted. | |
bdcfe844 BW |
63 | Optional argument INLINE means make it an inline attachment." |
64 | (interactive "P") | |
0c47b17c | 65 | (if (equal mh-compose-insertion 'mml) |
bdcfe844 BW |
66 | (if inline |
67 | (mh-mml-attach-file "inline") | |
68 | (mh-mml-attach-file)) | |
0c47b17c | 69 | (call-interactively 'mh-mh-attach-file))) |
bdcfe844 | 70 | |
c3d9274a | 71 | ;;;###mh-autoload |
a05fcb7d | 72 | (defun mh-compose-forward (&optional description folder messages) |
0c47b17c BW |
73 | "Add tag to forward a message. |
74 | You are prompted for a content DESCRIPTION, the name of the FOLDER in which | |
75 | the messages to forward are located, and the MESSAGES' numbers. | |
76 | ||
77 | The option `mh-compose-insertion' controls what type of tags are inserted." | |
a05fcb7d | 78 | (interactive (let* |
0c47b17c | 79 | ((description (mml-minibuffer-read-description)) |
a05fcb7d BW |
80 | (folder (mh-prompt-for-folder "Message from" |
81 | mh-sent-from-folder nil)) | |
82 | (messages (let ((default-message | |
83 | (if (and (equal | |
84 | folder mh-sent-from-folder) | |
85 | (numberp mh-sent-from-msg)) | |
86 | mh-sent-from-msg | |
87 | (nth 0 (mh-translate-range | |
88 | folder "cur"))))) | |
89 | (if default-message | |
90 | (read-string | |
91 | (format "Messages (default %d): " | |
92 | default-message) | |
93 | nil nil | |
94 | (number-to-string default-message)) | |
95 | (read-string (format "Messages: ")))))) | |
96 | (list description folder messages))) | |
97 | (let | |
98 | ((range)) | |
99 | (if (null messages) | |
100 | (setq messages "")) | |
101 | (setq range (mh-translate-range folder messages)) | |
102 | (if (null range) | |
103 | (error "No messages in specified range")) | |
104 | (dolist (message range) | |
0c47b17c | 105 | (if (equal mh-compose-insertion 'mml) |
a05fcb7d | 106 | (mh-mml-forward-message description folder (format "%s" message)) |
0c47b17c | 107 | (mh-mh-forward-message description folder (format "%s" message)))))) |
c26cf6c8 | 108 | |
c26cf6c8 RS |
109 | ;; To do: |
110 | ;; paragraph code should not fill # lines if MIME enabled. | |
0c47b17c BW |
111 | ;; implement mh-auto-mh-to-mime (if non-nil, \\[mh-send-letter] |
112 | ;; invokes mh-mh-to-mime automatically before sending.) | |
113 | ;; actually, instead of mh-auto-mh-to-mime, | |
c26cf6c8 RS |
114 | ;; should read automhnproc from profile |
115 | ;; MIME option to mh-forward | |
116 | ;; command to move to content-description insertion point | |
117 | ||
0c47b17c BW |
118 | (defvar mh-mh-to-mime-args nil |
119 | "Extra arguments for \\[mh-mh-to-mime] to pass to the \"mhbuild\" command. | |
120 | The arguments are passed to \"mhbuild\" if \\[mh-mh-to-mime] is given a prefix | |
121 | argument. Normally default arguments to \"mhbuild\" are specified in the MH | |
122 | profile.") | |
847b8219 | 123 | |
bdcfe844 BW |
124 | (defvar mh-media-type-regexp |
125 | (concat (regexp-opt '("text" "image" "audio" "video" "application" | |
126 | "multipart" "message") t) | |
127 | "/[-.+a-zA-Z0-9]+") | |
128 | "Regexp matching valid media types used in MIME attachment compositions.") | |
129 | ||
130 | ;; Just defvar the variable to avoid compiler warning... This doesn't bind | |
131 | ;; the variable, so things should work exactly as before. | |
132 | (defvar mh-have-file-command) | |
847b8219 | 133 | |
f0d73c14 | 134 | ;;;###mh-autoload |
a1b4049d BW |
135 | (defun mh-have-file-command () |
136 | "Return t if 'file' command is on the system. | |
137 | 'file -i' is used to get MIME type of composition insertion." | |
138 | (when (not (boundp 'mh-have-file-command)) | |
c3d9274a | 139 | (load "executable" t t) ; executable-find not autoloaded in emacs20 |
a1b4049d BW |
140 | (setq mh-have-file-command |
141 | (and (fboundp 'executable-find) | |
142 | (executable-find "file") ; file command exists | |
143 | ; and accepts -i and -b args. | |
144 | (zerop (call-process "file" nil nil nil "-i" "-b" | |
145 | (expand-file-name "inc" mh-progs)))))) | |
146 | mh-have-file-command) | |
147 | ||
bdcfe844 BW |
148 | (defvar mh-file-mime-type-substitutions |
149 | '(("application/msword" "\.xls" "application/ms-excel") | |
f0d73c14 BW |
150 | ("application/msword" "\.ppt" "application/ms-powerpoint") |
151 | ("text/plain" "\.vcf" "text/x-vcard")) | |
bdcfe844 BW |
152 | "Substitutions to make for Content-Type returned from file command. |
153 | The first element is the Content-Type returned by the file command. | |
154 | The second element is a regexp matching the file name, usually the extension. | |
155 | The third element is the Content-Type to replace with.") | |
156 | ||
157 | (defun mh-file-mime-type-substitute (content-type filename) | |
158 | "Return possibly changed CONTENT-TYPE on the FILENAME. | |
159 | Substitutions are made from the `mh-file-mime-type-substitutions' variable." | |
160 | (let ((subst mh-file-mime-type-substitutions) | |
161 | (type) (match) (answer content-type) | |
162 | (case-fold-search t)) | |
163 | (while subst | |
164 | (setq type (car (car subst)) | |
165 | match (elt (car subst) 1)) | |
166 | (if (and (string-equal content-type type) | |
167 | (string-match match filename)) | |
168 | (setq answer (elt (car subst) 2) | |
169 | subst nil) | |
170 | (setq subst (cdr subst)))) | |
171 | answer)) | |
172 | ||
f0d73c14 | 173 | ;;;###mh-autoload |
a1b4049d BW |
174 | (defun mh-file-mime-type (filename) |
175 | "Return MIME type of FILENAME from file command. | |
176 | Returns nil if file command not on system." | |
177 | (cond | |
178 | ((not (mh-have-file-command)) | |
179 | nil) ;No file command, exit now. | |
180 | ((not (and (file-exists-p filename)(file-readable-p filename))) | |
181 | nil) | |
182 | (t | |
183 | (save-excursion | |
184 | (let ((tmp-buffer (get-buffer-create mh-temp-buffer))) | |
185 | (set-buffer tmp-buffer) | |
186 | (unwind-protect | |
187 | (progn | |
188 | (call-process "file" nil '(t nil) nil "-b" "-i" | |
189 | (expand-file-name filename)) | |
190 | (goto-char (point-min)) | |
191 | (if (not (re-search-forward mh-media-type-regexp nil t)) | |
192 | nil | |
bdcfe844 | 193 | (mh-file-mime-type-substitute (match-string 0) filename))) |
a1b4049d BW |
194 | (kill-buffer tmp-buffer))))))) |
195 | ||
c26cf6c8 | 196 | (defvar mh-mime-content-types |
a1b4049d BW |
197 | '(("application/mac-binhex40") ("application/msword") |
198 | ("application/octet-stream") ("application/pdf") ("application/pgp-keys") | |
199 | ("application/pgp-signature") ("application/pkcs7-signature") | |
200 | ("application/postscript") ("application/rtf") | |
201 | ("application/vnd.ms-excel") ("application/vnd.ms-powerpoint") | |
202 | ("application/vnd.ms-project") ("application/vnd.ms-tnef") | |
203 | ("application/wordperfect5.1") ("application/wordperfect6.0") | |
204 | ("application/zip") | |
205 | ||
206 | ("audio/basic") ("audio/mpeg") | |
207 | ||
208 | ("image/gif") ("image/jpeg") ("image/png") | |
209 | ||
210 | ("message/delivery-status") | |
211 | ("message/external-body") ("message/partial") ("message/rfc822") | |
212 | ||
213 | ("text/enriched") ("text/html") ("text/plain") ("text/rfc822-headers") | |
f0d73c14 | 214 | ("text/richtext") ("text/x-vcard") ("text/xml") |
a1b4049d BW |
215 | |
216 | ("video/mpeg") ("video/quicktime")) | |
0c47b17c BW |
217 | "Valid MIME content types for Emacs 20. |
218 | Obsolete; use `mailcap-mime-types'. | |
219 | ||
220 | See also \\[mh-mh-to-mime].") | |
221 | ||
222 | ;;; Delete mh-minibuffer-read-type and mh-mime-content-types and use | |
223 | ;;; mml-minibuffer-read-type when Emacs20 is no longer supported unless we | |
224 | ;;; think (mh-file-mime-type) is better than (mm-default-file-encoding). | |
225 | ||
226 | (defun mh-minibuffer-read-type (filename &optional default) | |
227 | "Return the content type associated with the given FILENAME. | |
228 | If the \"file\" command exists and recognizes the given file, then its value | |
229 | is returned\; otherwise, the user is prompted for a type (see | |
230 | `mailcap-mime-types' and for Emacs 20, `mh-mime-content-types'). | |
231 | Optional argument DEFAULT is returned if a type isn't entered." | |
232 | (mailcap-parse-mimetypes) | |
233 | (let* ((default (or default | |
234 | (mm-default-file-encoding filename) | |
235 | "application/octet-stream")) | |
236 | (type (or (mh-file-mime-type filename) | |
237 | (completing-read | |
238 | (format "Content type (default %s): " default) | |
239 | (if (fboundp 'mailcap-mime-types) | |
240 | (mapcar 'list (mailcap-mime-types)) | |
241 | mh-mime-content-types))))) | |
242 | (if (not (equal type "")) | |
243 | type | |
244 | default))) | |
a1b4049d | 245 | |
f0d73c14 BW |
246 | ;; RFC 2045 - Multipurpose Internet Mail Extensions (MIME) Part One: |
247 | ;; Format of Internet Message Bodies. | |
248 | ;; RFC 2046 - Multipurpose Internet Mail Extensions (MIME) Part Two: | |
249 | ;; Media Types. | |
250 | ;; RFC 2049 - Multipurpose Internet Mail Extensions (MIME) Part Five: | |
251 | ;; Conformance Criteria and Examples. | |
252 | ;; RFC 2017 - Definition of the URL MIME External-Body Access-Type | |
253 | ;; RFC 1738 - Uniform Resource Locators (URL) | |
254 | (defvar mh-access-types | |
255 | '(("anon-ftp") ; RFC2046 Anonymous File Transfer Protocol | |
256 | ("file") ; RFC1738 Host-specific file names | |
257 | ("ftp") ; RFC2046 File Transfer Protocol | |
258 | ("gopher") ; RFC1738 The Gopher Protocol | |
259 | ("http") ; RFC1738 Hypertext Transfer Protocol | |
260 | ("local-file") ; RFC2046 Local file access | |
261 | ("mail-server") ; RFC2046 mail-server Electronic mail address | |
262 | ("mailto") ; RFC1738 Electronic mail address | |
263 | ("news") ; RFC1738 Usenet news | |
264 | ("nntp") ; RFC1738 Usenet news using NNTP access | |
265 | ("propspero") ; RFC1738 Prospero Directory Service | |
266 | ("telnet") ; RFC1738 Telnet | |
267 | ("tftp") ; RFC2046 Trivial File Transfer Protocol | |
268 | ("url") ; RFC2017 URL scheme MIME access-type Protocol | |
269 | ("wais")) ; RFC1738 Wide Area Information Servers | |
88a34f43 | 270 | "Valid MIME access-type values.") |
f0d73c14 | 271 | |
c3d9274a | 272 | ;;;###mh-autoload |
0c47b17c BW |
273 | (defun mh-mh-attach-file (filename type description attributes) |
274 | "Add a tag to insert a MIME message part from a file. | |
275 | You are prompted for the FILENAME containing the object, the media TYPE if it | |
276 | cannot be determined automatically, and a content DESCRIPTION. In addition, | |
277 | you are also prompted for additional ATTRIBUTES. | |
278 | ||
279 | See also \\[mh-mh-to-mime]." | |
280 | (interactive (let ((filename (mml-minibuffer-read-file "Attach file: "))) | |
c3d9274a BW |
281 | (list |
282 | filename | |
0c47b17c BW |
283 | (mh-minibuffer-read-type filename) |
284 | (mml-minibuffer-read-description) | |
285 | (read-string "Attributes: " | |
c3d9274a BW |
286 | (concat "name=\"" |
287 | (file-name-nondirectory filename) | |
288 | "\""))))) | |
0c47b17c | 289 | (mh-mh-compose-type filename type description attributes)) |
c26cf6c8 | 290 | |
0c47b17c | 291 | (defun mh-mh-compose-type (filename type |
c3d9274a | 292 | &optional description attributes comment) |
0c47b17c | 293 | "Insert an MH-style directive to insert a file. |
bdcfe844 BW |
294 | The file specified by FILENAME is encoded as TYPE. An optional DESCRIPTION is |
295 | used as the Content-Description field, optional set of ATTRIBUTES and an | |
296 | optional COMMENT can also be included." | |
c26cf6c8 RS |
297 | (beginning-of-line) |
298 | (insert "#" type) | |
299 | (and attributes | |
300 | (insert "; " attributes)) | |
301 | (and comment | |
302 | (insert " (" comment ")")) | |
303 | (insert " [") | |
304 | (and description | |
305 | (insert description)) | |
3fda54a2 | 306 | (insert "] " (expand-file-name filename)) |
c26cf6c8 RS |
307 | (insert "\n")) |
308 | ||
c3d9274a | 309 | ;;;###mh-autoload |
0c47b17c BW |
310 | (defun mh-mh-compose-anon-ftp (host filename type description) |
311 | "Add tag to include anonymous ftp reference to a file. | |
312 | You can even have your message initiate an \"ftp\" transfer when the | |
313 | recipient reads the message. You are prompted for the remote | |
314 | HOST and FILENAME, the media TYPE, and the content DESCRIPTION. | |
bdcfe844 | 315 | |
0c47b17c | 316 | See also \\[mh-mh-to-mime]." |
c26cf6c8 | 317 | (interactive (list |
c3d9274a BW |
318 | (read-string "Remote host: ") |
319 | (read-string "Remote filename: ") | |
0c47b17c BW |
320 | (mh-minibuffer-read-type "DUMMY-FILENAME") |
321 | (mml-minibuffer-read-description))) | |
322 | (mh-mh-compose-external-type "anon-ftp" host filename | |
323 | type description)) | |
c26cf6c8 | 324 | |
c3d9274a | 325 | ;;;###mh-autoload |
0c47b17c BW |
326 | (defun mh-mh-compose-external-compressed-tar (host filename description) |
327 | "Add tag to include anonymous ftp reference to a compressed tar file. | |
328 | In addition to retrieving the file via anonymous \"ftp\" as per the | |
329 | \\[mh-mh-compose-anon-ftp] command, the file will also be uncompressed and | |
330 | untarred. You are prompted for the remote HOST and FILENAME and the content | |
331 | DESCRIPTION. | |
332 | ||
333 | See also \\[mh-mh-to-mime]." | |
c26cf6c8 | 334 | (interactive (list |
c3d9274a BW |
335 | (read-string "Remote host: ") |
336 | (read-string "Remote filename: ") | |
0c47b17c BW |
337 | (mml-minibuffer-read-description))) |
338 | (mh-mh-compose-external-type "anon-ftp" host filename | |
339 | "application/octet-stream" | |
340 | description | |
341 | "type=tar; conversions=x-compress" | |
342 | "mode=image")) | |
c26cf6c8 | 343 | |
f0d73c14 | 344 | ;;;###mh-autoload |
0c47b17c BW |
345 | (defun mh-mh-compose-external-type (access-type host filename type |
346 | &optional description | |
347 | attributes parameters | |
348 | comment) | |
349 | "Add tag to refer to a remote file. | |
350 | This command is a general utility for referencing external files. In fact, all | |
351 | of the other commands that insert directives to access external files call | |
352 | this command. You are prompted for the ACCESS-TYPE, remote HOST and FILENAME, | |
353 | and content TYPE. If you provide a prefix argument, you are also prompted for | |
354 | a content DESCRIPTION, ATTRIBUTES, PARAMETERS, and a COMMENT. | |
355 | ||
356 | See also \\[mh-mh-to-mime]." | |
f0d73c14 | 357 | (interactive (list |
0c47b17c | 358 | (completing-read "Access type: " mh-access-types) |
f0d73c14 | 359 | (read-string "Remote host: ") |
0c47b17c BW |
360 | (read-string "Remote filename: ") |
361 | (mh-minibuffer-read-type "DUMMY-FILENAME") | |
362 | (if current-prefix-arg (mml-minibuffer-read-description)) | |
f0d73c14 | 363 | (if current-prefix-arg (read-string "Attributes: ")) |
0c47b17c | 364 | (if current-prefix-arg (read-string "Parameters: ")) |
f0d73c14 | 365 | (if current-prefix-arg (read-string "Comment: ")))) |
c26cf6c8 RS |
366 | (beginning-of-line) |
367 | (insert "#@" type) | |
368 | (and attributes | |
369 | (insert "; " attributes)) | |
370 | (and comment | |
371 | (insert " (" comment ") ")) | |
372 | (insert " [") | |
373 | (and description | |
374 | (insert description)) | |
375 | (insert "] ") | |
376 | (insert "access-type=" access-type "; ") | |
377 | (insert "site=" host) | |
3fda54a2 | 378 | (insert "; name=" (file-name-nondirectory filename)) |
f0d73c14 BW |
379 | (let ((directory (file-name-directory filename))) |
380 | (and directory | |
381 | (insert "; directory=\"" directory "\""))) | |
0c47b17c BW |
382 | (and parameters |
383 | (insert "; " parameters)) | |
c26cf6c8 RS |
384 | (insert "\n")) |
385 | ||
c3d9274a | 386 | ;;;###mh-autoload |
0c47b17c BW |
387 | (defun mh-mh-forward-message (&optional description folder messages) |
388 | "Add tag to forward a message. | |
389 | You are prompted for a content DESCRIPTION, the name of the FOLDER in which | |
390 | the messages to forward are located, and the MESSAGES' numbers. | |
bdcfe844 | 391 | |
0c47b17c | 392 | See also \\[mh-mh-to-mime]." |
c26cf6c8 | 393 | (interactive (list |
0c47b17c | 394 | (mml-minibuffer-read-description) |
c3d9274a | 395 | (mh-prompt-for-folder "Message from" mh-sent-from-folder nil) |
d88a70a0 | 396 | (read-string (concat "Messages" |
f0d73c14 | 397 | (if (numberp mh-sent-from-msg) |
0c47b17c BW |
398 | (format " (default %d): " |
399 | mh-sent-from-msg) | |
d88a70a0 | 400 | ": "))))) |
c26cf6c8 RS |
401 | (beginning-of-line) |
402 | (insert "#forw [") | |
403 | (and description | |
404 | (not (string= description "")) | |
405 | (insert description)) | |
406 | (insert "]") | |
407 | (and folder | |
408 | (not (string= folder "")) | |
409 | (insert " " folder)) | |
847b8219 | 410 | (if (and messages |
c3d9274a | 411 | (not (string= messages ""))) |
c26cf6c8 | 412 | (let ((start (point))) |
c3d9274a BW |
413 | (insert " " messages) |
414 | (subst-char-in-region start (point) ?, ? )) | |
f0d73c14 | 415 | (if (numberp mh-sent-from-msg) |
c3d9274a | 416 | (insert " " (int-to-string mh-sent-from-msg)))) |
c26cf6c8 RS |
417 | (insert "\n")) |
418 | ||
c3d9274a | 419 | ;;;###mh-autoload |
0c47b17c BW |
420 | (defun mh-mh-to-mime (&optional extra-args) |
421 | "Compose MIME message from MH-style directives. | |
422 | Typically, you send a message with attachments just like any other message. | |
423 | However, you may take a sneak preview of the MIME encoding if you wish by | |
424 | running this command. | |
425 | ||
426 | If you wish to pass additional arguments to \"mhbuild\" (\"mhn\") to affect | |
427 | how it builds your message, use the `mh-mh-to-mime-args' option. For example, | |
428 | you can build a consistency check into the message by setting | |
429 | `mh-mh-to-mime-args' to \"-check\". The recipient of your message can then run | |
430 | \"mhbuild -check\" on the message--\"mhbuild\" (\"mhn\") will complain if the | |
431 | message has been corrupted on the way. This command only consults this option | |
169a3241 | 432 | when given a prefix argument EXTRA-ARGS. |
0c47b17c BW |
433 | |
434 | The value of `mh-mh-to-mime-hook' is a list of functions to be called after | |
435 | the message has been formatted. | |
436 | ||
437 | The effects of this command can be undone by running \\[mh-mh-to-mime-undo]." | |
847b8219 | 438 | (interactive "*P") |
0c47b17c | 439 | (mh-mh-quote-unescaped-sharp) |
c26cf6c8 | 440 | (save-buffer) |
0c47b17c | 441 | (message "Running %s..." (if (mh-variant-p 'nmh) "mhbuild" "mhn")) |
a1b4049d | 442 | (cond |
f0d73c14 | 443 | ((mh-variant-p 'nmh) |
a1b4049d | 444 | (mh-exec-cmd-error nil |
0c47b17c BW |
445 | "mhbuild" |
446 | (if extra-args mh-mh-to-mime-args) | |
447 | buffer-file-name)) | |
a1b4049d BW |
448 | (t |
449 | (mh-exec-cmd-error (format "mhdraft=%s" buffer-file-name) | |
0c47b17c BW |
450 | "mhn" |
451 | (if extra-args mh-mh-to-mime-args) | |
452 | buffer-file-name))) | |
c26cf6c8 | 453 | (revert-buffer t t) |
0c47b17c BW |
454 | (message "Running %s...done" (if (mh-variant-p 'nmh) "mhbuild" "mhn")) |
455 | (run-hooks 'mh-mh-to-mime-hook)) | |
c26cf6c8 | 456 | |
0c47b17c BW |
457 | (defun mh-mh-quote-unescaped-sharp () |
458 | "Quote `#' characters that haven't been quoted for \"mhbuild\". | |
f0d73c14 | 459 | If the `#' character is present in the first column, but it isn't part of a |
0c47b17c BW |
460 | MH-style directive then \"mhbuild\" gives an error. This function will quote |
461 | all such characters." | |
f0d73c14 BW |
462 | (save-excursion |
463 | (goto-char (point-min)) | |
464 | (while (re-search-forward "^#" nil t) | |
465 | (beginning-of-line) | |
0c47b17c | 466 | (unless (mh-mh-directive-present-p (point) (line-end-position)) |
f0d73c14 BW |
467 | (insert "#")) |
468 | (goto-char (line-end-position))))) | |
469 | ||
c3d9274a | 470 | ;;;###mh-autoload |
0c47b17c BW |
471 | (defun mh-mh-to-mime-undo (noconfirm) |
472 | "Undo effects of \\[mh-mh-to-mime]. | |
a1b4049d | 473 | Optional non-nil argument NOCONFIRM means don't ask for confirmation." |
c26cf6c8 RS |
474 | (interactive "*P") |
475 | (if (null buffer-file-name) | |
476 | (error "Buffer does not seem to be associated with any file")) | |
477 | (let ((backup-strings '("," "#")) | |
c3d9274a | 478 | backup-file) |
c26cf6c8 | 479 | (while (and backup-strings |
c3d9274a BW |
480 | (not (file-exists-p |
481 | (setq backup-file | |
482 | (concat (file-name-directory buffer-file-name) | |
483 | (car backup-strings) | |
484 | (file-name-nondirectory buffer-file-name) | |
485 | ".orig"))))) | |
c26cf6c8 RS |
486 | (setq backup-strings (cdr backup-strings))) |
487 | (or backup-strings | |
c3d9274a | 488 | (error "Backup file for %s no longer exists!" buffer-file-name)) |
c26cf6c8 | 489 | (or noconfirm |
c3d9274a BW |
490 | (yes-or-no-p (format "Revert buffer from file %s? " |
491 | backup-file)) | |
492 | (error "Revert not confirmed")) | |
c26cf6c8 RS |
493 | (let ((buffer-read-only nil)) |
494 | (erase-buffer) | |
495 | (insert-file-contents backup-file)) | |
496 | (after-find-file nil))) | |
60370d40 | 497 | |
924df208 | 498 | ;;;###mh-autoload |
0c47b17c BW |
499 | (defun mh-mh-directive-present-p (&optional begin end) |
500 | "Check if the text between BEGIN and END might be a MH-style directive. | |
f0d73c14 BW |
501 | The optional argument BEGIN defaults to the beginning of the buffer, while END |
502 | defaults to the the end of the buffer." | |
503 | (unless begin (setq begin (point-min))) | |
504 | (unless end (setq end (point-max))) | |
924df208 | 505 | (save-excursion |
0c47b17c | 506 | (block 'search-for-mh-directive |
f0d73c14 BW |
507 | (goto-char begin) |
508 | (while (re-search-forward "^#" end t) | |
924df208 BW |
509 | (let ((s (buffer-substring-no-properties (point) (line-end-position)))) |
510 | (cond ((equal s "")) | |
511 | ((string-match "^forw[ \t\n]+" s) | |
0c47b17c | 512 | (return-from 'search-for-mh-directive t)) |
924df208 | 513 | (t (let ((first-token (car (split-string s "[ \t;@]")))) |
f0d73c14 BW |
514 | (when (and first-token |
515 | (string-match mh-media-type-regexp | |
516 | first-token)) | |
0c47b17c | 517 | (return-from 'search-for-mh-directive t))))))) |
924df208 BW |
518 | nil))) |
519 | ||
bdcfe844 BW |
520 | \f |
521 | ||
522 | ;;; MIME composition functions | |
523 | ||
c3d9274a | 524 | ;;;###mh-autoload |
bdcfe844 | 525 | (defun mh-mml-to-mime () |
0c47b17c BW |
526 | "Compose MIME message from MML tags. |
527 | Typically, you send a message with attachments just like any other message. | |
528 | However, you may take a sneak preview of the MIME encoding if you wish by | |
529 | running this command. | |
530 | ||
531 | This action can be undone by running \\[undo]." | |
bdcfe844 | 532 | (interactive) |
a66894d8 | 533 | (require 'message) |
0c47b17c | 534 | (when mh-pgp-support-flag ;; This is only needed for PGP |
bdcfe844 | 535 | (message-options-set-recipient)) |
f0d73c14 BW |
536 | (let ((saved-text (buffer-string)) |
537 | (buffer (current-buffer)) | |
538 | (modified-flag (buffer-modified-p))) | |
539 | (condition-case err (mml-to-mime) | |
540 | (error | |
541 | (with-current-buffer buffer | |
542 | (delete-region (point-min) (point-max)) | |
543 | (insert saved-text) | |
544 | (set-buffer-modified-p modified-flag)) | |
545 | (error (error-message-string err)))))) | |
bdcfe844 | 546 | |
c3d9274a | 547 | ;;;###mh-autoload |
bdcfe844 BW |
548 | (defun mh-mml-forward-message (description folder message) |
549 | "Forward a message as attachment. | |
550 | The function will prompt the user for a DESCRIPTION, a FOLDER and MESSAGE | |
551 | number." | |
f0d73c14 | 552 | (let ((msg (if (and (equal message "") (numberp mh-sent-from-msg)) |
bdcfe844 BW |
553 | mh-sent-from-msg |
554 | (car (read-from-string message))))) | |
555 | (cond ((integerp msg) | |
556 | (if (string= "" description) | |
557 | ;; Rationale: mml-attach-file constructs a malformed composition | |
558 | ;; if the description string is empty. This fixes SF #625168. | |
559 | (mml-attach-file (format "%s%s/%d" | |
560 | mh-user-path (substring folder 1) msg) | |
561 | "message/rfc822") | |
562 | (mml-attach-file (format "%s%s/%d" | |
563 | mh-user-path (substring folder 1) msg) | |
564 | "message/rfc822" | |
924df208 | 565 | description))) |
bdcfe844 BW |
566 | (t (error "The message number, %s is not a integer!" msg))))) |
567 | ||
f0d73c14 BW |
568 | (defvar mh-mml-cryptographic-method-history ()) |
569 | ||
570 | ;;;###mh-autoload | |
571 | (defun mh-mml-query-cryptographic-method () | |
572 | "Read the cryptographic method to use." | |
573 | (if current-prefix-arg | |
574 | (let ((def (or (car mh-mml-cryptographic-method-history) | |
575 | mh-mml-method-default))) | |
0c47b17c | 576 | (completing-read (format "Method (default %s): " def) |
f0d73c14 BW |
577 | '(("pgp") ("pgpmime") ("smime")) |
578 | nil t nil 'mh-mml-cryptographic-method-history def)) | |
579 | mh-mml-method-default)) | |
580 | ||
c3d9274a | 581 | ;;;###mh-autoload |
bdcfe844 | 582 | (defun mh-mml-attach-file (&optional disposition) |
0c47b17c BW |
583 | "Add a tag to insert a MIME message part from a file. |
584 | You are prompted for the filename containing the object, the media type if it | |
169a3241 | 585 | cannot be determined automatically, a content description and the DISPOSITION |
0c47b17c | 586 | of the attachment. |
bdcfe844 | 587 | |
0c47b17c | 588 | This is basically `mml-attach-file' from Gnus, modified such that a prefix |
bdcfe844 BW |
589 | argument yields an `inline' disposition and Content-Type is determined |
590 | automatically." | |
591 | (let* ((file (mml-minibuffer-read-file "Attach file: ")) | |
0c47b17c | 592 | (type (mh-minibuffer-read-type file)) |
bdcfe844 BW |
593 | (description (mml-minibuffer-read-description)) |
594 | (dispos (or disposition | |
0c47b17c | 595 | (mml-minibuffer-read-disposition type)))) |
bdcfe844 | 596 | (mml-insert-empty-tag 'part 'type type 'filename file |
924df208 | 597 | 'disposition dispos 'description description))) |
bdcfe844 | 598 | |
eccf9613 BW |
599 | (defvar mh-identity-pgg-default-user-id) |
600 | ||
f0d73c14 | 601 | (defun mh-secure-message (method mode &optional identity) |
0c47b17c | 602 | "Add tag to encrypt or sign message. |
f0d73c14 BW |
603 | METHOD should be one of: \"pgpmime\", \"pgp\", \"smime\". |
604 | MODE should be one of: \"sign\", \"encrypt\", \"signencrypt\", \"none\". | |
605 | IDENTITY is optionally the default-user-id to use." | |
0c47b17c BW |
606 | (if (not mh-pgp-support-flag) |
607 | (error "Your version of Gnus does not support PGP/GPG") | |
f0d73c14 BW |
608 | ;; Check the arguments |
609 | (let ((valid-methods (list "pgpmime" "pgp" "smime")) | |
610 | (valid-modes (list "sign" "encrypt" "signencrypt" "none"))) | |
611 | (if (not (member method valid-methods)) | |
0c47b17c | 612 | (error "Method \"%s\" is invalid" method)) |
f0d73c14 | 613 | (if (not (member mode valid-modes)) |
0c47b17c | 614 | (error "Mode \"%s\" is invalid" mode)) |
f0d73c14 BW |
615 | (mml-unsecure-message) |
616 | (if (not (string= mode "none")) | |
617 | (save-excursion | |
618 | (goto-char (point-min)) | |
619 | (mh-goto-header-end 1) | |
620 | (if mh-identity-pgg-default-user-id | |
621 | (mml-insert-tag 'secure 'method method 'mode mode | |
622 | 'sender mh-identity-pgg-default-user-id) | |
623 | (mml-insert-tag 'secure 'method method 'mode mode))))))) | |
bdcfe844 | 624 | |
c3d9274a | 625 | ;;;###mh-autoload |
f0d73c14 | 626 | (defun mh-mml-unsecure-message (&optional ignore) |
0c47b17c BW |
627 | "Remove any secure message tags. |
628 | The argument IGNORE is not used." | |
bdcfe844 | 629 | (interactive "P") |
0c47b17c BW |
630 | (if (not mh-pgp-support-flag) |
631 | (error "Your version of Gnus does not support PGP/GPG") | |
f0d73c14 BW |
632 | (mml-unsecure-message))) |
633 | ||
634 | ;;;###mh-autoload | |
635 | (defun mh-mml-secure-message-sign (method) | |
0c47b17c BW |
636 | "Add tag to sign the message. |
637 | A proper multipart message is created for you when you send the message. Use | |
638 | the \\[mh-mml-unsecure-message] command to remove this tag. Use a prefix | |
639 | argument METHOD to be prompted for one of the possible security methods | |
169a3241 | 640 | \(see `mh-mml-method-default')." |
f0d73c14 BW |
641 | (interactive (list (mh-mml-query-cryptographic-method))) |
642 | (mh-secure-message method "sign" mh-identity-pgg-default-user-id)) | |
643 | ||
644 | ;;;###mh-autoload | |
645 | (defun mh-mml-secure-message-encrypt (method) | |
0c47b17c BW |
646 | "Add tag to encrypt the message. |
647 | A proper multipart message is created for you when you send the message. Use | |
648 | the \\[mh-mml-unsecure-message] command to remove this tag. Use a prefix | |
649 | argument METHOD to be prompted for one of the possible security methods | |
169a3241 | 650 | \(see `mh-mml-method-default')." |
f0d73c14 BW |
651 | (interactive (list (mh-mml-query-cryptographic-method))) |
652 | (mh-secure-message method "encrypt" mh-identity-pgg-default-user-id)) | |
653 | ||
654 | ;;;###mh-autoload | |
655 | (defun mh-mml-secure-message-signencrypt (method) | |
0c47b17c BW |
656 | "Add tag to encrypt and sign the message. |
657 | A proper multipart message is created for you when you send the message. Use | |
658 | the \\[mh-mml-unsecure-message] command to remove this tag. Use a prefix | |
659 | argument METHOD to be prompted for one of the possible security methods | |
169a3241 | 660 | \(see `mh-mml-method-default')." |
f0d73c14 BW |
661 | (interactive (list (mh-mml-query-cryptographic-method))) |
662 | (mh-secure-message method "signencrypt" mh-identity-pgg-default-user-id)) | |
924df208 BW |
663 | |
664 | ;;;###mh-autoload | |
0c47b17c BW |
665 | (defun mh-mml-tag-present-p () |
666 | "Check if the current buffer has text which may be a MML tag." | |
924df208 BW |
667 | (save-excursion |
668 | (goto-char (point-min)) | |
669 | (re-search-forward | |
670 | "\\(<#part\\(.\\|\n\\)*>[ \n\t]*<#/part>\\|^<#secure.+>$\\)" | |
671 | nil t))) | |
bdcfe844 BW |
672 | |
673 | \f | |
674 | ||
bdcfe844 BW |
675 | ;;; MIME cleanup |
676 | ||
c3d9274a | 677 | ;;;###mh-autoload |
bdcfe844 BW |
678 | (defun mh-mime-cleanup () |
679 | "Free the decoded MIME parts." | |
680 | (let ((mime-data (gethash (current-buffer) mh-globals-hash))) | |
681 | ;; This is for Emacs, what about XEmacs? | |
924df208 | 682 | (mh-funcall-if-exists remove-images (point-min) (point-max)) |
bdcfe844 BW |
683 | (when mime-data |
684 | (mm-destroy-parts (mh-mime-handles mime-data)) | |
685 | (remhash (current-buffer) mh-globals-hash)))) | |
686 | ||
c3d9274a | 687 | ;;;###mh-autoload |
bdcfe844 | 688 | (defun mh-destroy-postponed-handles () |
0c47b17c | 689 | "Free MIME data for externally displayed MIME parts." |
bdcfe844 BW |
690 | (let ((mime-data (mh-buffer-data))) |
691 | (when mime-data | |
692 | (mm-destroy-parts (mh-mime-handles mime-data))) | |
693 | (remhash (current-buffer) mh-globals-hash))) | |
694 | ||
695 | (defun mh-handle-set-external-undisplayer (folder handle function) | |
696 | "Replacement for `mm-handle-set-external-undisplayer'. | |
697 | This is only called in recent versions of Gnus. The MIME handles are stored | |
698 | in data structures corresponding to MH-E folder buffer FOLDER instead of in | |
699 | Gnus (as in the original). The MIME part, HANDLE is associated with the | |
700 | undisplayer FUNCTION." | |
701 | (if (mm-keep-viewer-alive-p handle) | |
702 | (let ((new-handle (copy-sequence handle))) | |
c3d9274a BW |
703 | (mm-handle-set-undisplayer new-handle function) |
704 | (mm-handle-set-undisplayer handle nil) | |
bdcfe844 BW |
705 | (save-excursion |
706 | (set-buffer folder) | |
707 | (push new-handle (mh-mime-handles (mh-buffer-data))))) | |
708 | (mm-handle-set-undisplayer handle function))) | |
709 | ||
710 | \f | |
711 | ||
712 | ;;; MIME transformations | |
c3d9274a | 713 | (eval-when-compile (require 'font-lock)) |
bdcfe844 | 714 | |
c3d9274a | 715 | ;;;###mh-autoload |
bdcfe844 BW |
716 | (defun mh-add-missing-mime-version-header () |
717 | "Some mail programs don't put a MIME-Version header. | |
718 | I have seen this only in spam, so maybe we shouldn't fix this ;-)" | |
719 | (save-excursion | |
720 | (goto-char (point-min)) | |
a66894d8 BW |
721 | (re-search-forward "\n\n" nil t) |
722 | (save-restriction | |
723 | (narrow-to-region (point-min) (point)) | |
724 | (when (and (message-fetch-field "content-type") | |
725 | (not (message-fetch-field "mime-version"))) | |
726 | (goto-char (point-min)) | |
bdcfe844 BW |
727 | (insert "MIME-Version: 1.0\n"))))) |
728 | ||
a66894d8 BW |
729 | (defun mh-small-show-buffer-p () |
730 | "Check if show buffer is small. | |
731 | This is used to decide if smileys and graphical emphasis will be displayed." | |
732 | (let ((max nil)) | |
733 | (when (and (boundp 'font-lock-maximum-size) font-lock-maximum-size) | |
734 | (cond ((numberp font-lock-maximum-size) | |
735 | (setq max font-lock-maximum-size)) | |
736 | ((listp font-lock-maximum-size) | |
737 | (setq max (cdr (or (assoc 'mh-show-mode font-lock-maximum-size) | |
738 | (assoc t font-lock-maximum-size))))))) | |
739 | (or (not (numberp max)) (>= (/ max 8) (buffer-size))))) | |
740 | ||
c3d9274a | 741 | ;;;###mh-autoload |
bdcfe844 | 742 | (defun mh-display-smileys () |
0c47b17c | 743 | "Display smileys." |
a66894d8 BW |
744 | (when (and mh-graphical-smileys-flag (mh-small-show-buffer-p)) |
745 | (mh-funcall-if-exists smiley-region (point-min) (point-max)))) | |
bdcfe844 | 746 | |
c3d9274a | 747 | ;;;###mh-autoload |
bdcfe844 | 748 | (defun mh-display-emphasis () |
0c47b17c | 749 | "Display graphical emphasis." |
a66894d8 | 750 | (when (and mh-graphical-emphasis-flag (mh-small-show-buffer-p)) |
c3d9274a | 751 | (flet ((article-goto-body ())) ; shadow this function to do nothing |
bdcfe844 BW |
752 | (save-excursion |
753 | (goto-char (point-min)) | |
754 | (article-emphasize))))) | |
755 | ||
756 | ;; Copied from gnus-art.el (should be checked for other cool things that can | |
757 | ;; be added to the buttons) | |
758 | (defvar mh-mime-button-commands | |
759 | '((mh-press-button "\r" "Toggle Display"))) | |
760 | (defvar mh-mime-button-map | |
761 | (let ((map (make-sparse-keymap))) | |
762 | (unless (>= (string-to-number emacs-version) 21) | |
763 | ;; XEmacs doesn't care. | |
764 | (set-keymap-parent map mh-show-mode-map)) | |
924df208 BW |
765 | (mh-do-in-gnu-emacs |
766 | (define-key map [mouse-2] 'mh-push-button)) | |
767 | (mh-do-in-xemacs | |
768 | (define-key map '(button2) 'mh-push-button)) | |
bdcfe844 BW |
769 | (dolist (c mh-mime-button-commands) |
770 | (define-key map (cadr c) (car c))) | |
771 | map)) | |
772 | (defvar mh-mime-button-line-format-alist | |
773 | '((?T long-type ?s) | |
774 | (?d description ?s) | |
775 | (?p index ?s) | |
776 | (?e dots ?s))) | |
777 | (defvar mh-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n") | |
778 | (defvar mh-mime-security-button-pressed nil) | |
779 | (defvar mh-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n") | |
780 | (defvar mh-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n") | |
781 | (defvar mh-mime-security-button-line-format-alist | |
782 | '((?t type ?s) | |
783 | (?i info ?s) | |
784 | (?d details ?s) | |
785 | (?D pressed-details ?s))) | |
786 | (defvar mh-mime-security-button-map | |
787 | (let ((map (make-sparse-keymap))) | |
788 | (unless (>= (string-to-number emacs-version) 21) | |
789 | (set-keymap-parent map mh-show-mode-map)) | |
790 | (define-key map "\r" 'mh-press-button) | |
924df208 BW |
791 | (mh-do-in-gnu-emacs |
792 | (define-key map [mouse-2] 'mh-push-button)) | |
793 | (mh-do-in-xemacs | |
794 | (define-key map '(button2) 'mh-push-button)) | |
bdcfe844 BW |
795 | map)) |
796 | ||
797 | (defvar mh-mime-save-parts-directory nil | |
798 | "Default to use for `mh-mime-save-parts-default-directory'. | |
799 | Set from last use.") | |
800 | ||
c3d9274a | 801 | ;;;###mh-autoload |
553fb735 BW |
802 | (defun mh-mime-save-parts (prompt) |
803 | "Save attachments. | |
804 | ||
805 | You can save all of the attachments at once with this command. The attachments | |
806 | are saved in the directory specified by the option | |
807 | `mh-mime-save-parts-default-directory' unless you use a prefix argument PROMPT | |
808 | in which case you are prompted for the directory. These directories may be | |
809 | superseded by MH profile components, since this function calls on | |
810 | \"mhstore\" (\"mhn\") to do the work." | |
bdcfe844 BW |
811 | (interactive "P") |
812 | (let ((msg (if (eq major-mode 'mh-show-mode) | |
813 | (mh-show-buffer-message-number) | |
814 | (mh-get-msg-num t))) | |
815 | (folder (if (eq major-mode 'mh-show-mode) | |
816 | mh-show-folder-buffer | |
817 | mh-current-folder)) | |
f0d73c14 | 818 | (command (if (mh-variant-p 'nmh) "mhstore" "mhn")) |
bdcfe844 BW |
819 | (directory |
820 | (cond | |
553fb735 | 821 | ((and (or prompt |
bdcfe844 BW |
822 | (equal nil mh-mime-save-parts-default-directory) |
823 | (equal t mh-mime-save-parts-default-directory)) | |
824 | (not mh-mime-save-parts-directory)) | |
f0d73c14 | 825 | (read-file-name "Store in directory: " nil nil t nil)) |
553fb735 | 826 | ((and (or prompt |
bdcfe844 BW |
827 | (equal t mh-mime-save-parts-default-directory)) |
828 | mh-mime-save-parts-directory) | |
829 | (read-file-name (format | |
f0d73c14 | 830 | "Store in directory: [%s] " |
bdcfe844 BW |
831 | mh-mime-save-parts-directory) |
832 | "" mh-mime-save-parts-directory t "")) | |
833 | ((stringp mh-mime-save-parts-default-directory) | |
834 | mh-mime-save-parts-default-directory) | |
835 | (t | |
836 | mh-mime-save-parts-directory)))) | |
837 | (if (and (equal directory "") mh-mime-save-parts-directory) | |
838 | (setq directory mh-mime-save-parts-directory)) | |
839 | (if (not (file-directory-p directory)) | |
f0d73c14 | 840 | (message "No directory specified") |
bdcfe844 BW |
841 | (if (equal nil mh-mime-save-parts-default-directory) |
842 | (setq mh-mime-save-parts-directory directory)) | |
843 | (save-excursion | |
924df208 | 844 | (set-buffer (get-buffer-create mh-log-buffer)) |
bdcfe844 BW |
845 | (cd directory) |
846 | (setq mh-mime-save-parts-directory directory) | |
924df208 BW |
847 | (let ((initial-size (mh-truncate-log-buffer))) |
848 | (apply 'call-process | |
849 | (expand-file-name command mh-progs) nil t nil | |
850 | (mh-list-to-string (list folder msg "-auto"))) | |
851 | (if (> (buffer-size) initial-size) | |
852 | (save-window-excursion | |
853 | (switch-to-buffer-other-window mh-log-buffer) | |
854 | (sit-for 3)))))))) | |
bdcfe844 BW |
855 | |
856 | ;; Avoid errors if gnus-sum isn't loaded yet... | |
857 | (defvar gnus-newsgroup-charset nil) | |
858 | (defvar gnus-newsgroup-name nil) | |
859 | ||
924df208 BW |
860 | (defun mh-decode-message-body () |
861 | "Decode message based on charset. | |
862 | If message has been encoded for transfer take that into account." | |
a66894d8 BW |
863 | (let (ct charset cte) |
864 | (goto-char (point-min)) | |
865 | (re-search-forward "\n\n" nil t) | |
866 | (save-restriction | |
867 | (narrow-to-region (point-min) (point)) | |
868 | (setq ct (ignore-errors (mail-header-parse-content-type | |
869 | (message-fetch-field "Content-Type" t))) | |
870 | charset (mail-content-type-get ct 'charset) | |
871 | cte (message-fetch-field "Content-Transfer-Encoding"))) | |
924df208 BW |
872 | (when (stringp cte) (setq cte (mail-header-strip cte))) |
873 | (when (or (not ct) (equal (car ct) "text/plain")) | |
874 | (save-restriction | |
875 | (narrow-to-region (min (1+ (mh-mail-header-end)) (point-max)) | |
876 | (point-max)) | |
877 | (mm-decode-body charset | |
878 | (and cte (intern (downcase | |
879 | (gnus-strip-whitespace cte)))) | |
880 | (car ct)))))) | |
881 | ||
d103d8b3 BW |
882 | ;;;###mh-autoload |
883 | (defun mh-toggle-mh-decode-mime-flag () | |
553fb735 | 884 | "Toggle the value of `mh-decode-mime-flag'." |
eccf9613 | 885 | (interactive) |
d103d8b3 BW |
886 | (setq mh-decode-mime-flag (not mh-decode-mime-flag)) |
887 | (mh-show nil t) | |
553fb735 BW |
888 | (message "%s" (if mh-decode-mime-flag |
889 | "Processing attachments normally" | |
890 | "Displaying raw message"))) | |
d103d8b3 | 891 | |
924df208 BW |
892 | ;;;###mh-autoload |
893 | (defun mh-decode-message-header () | |
894 | "Decode RFC2047 encoded message header fields." | |
895 | (when mh-decode-mime-flag | |
896 | (let ((buffer-read-only nil)) | |
897 | (rfc2047-decode-region (point-min) (mh-mail-header-end))))) | |
898 | ||
c3d9274a | 899 | ;;;###mh-autoload |
bdcfe844 BW |
900 | (defun mh-mime-display (&optional pre-dissected-handles) |
901 | "Display (and possibly decode) MIME handles. | |
902 | Optional argument, PRE-DISSECTED-HANDLES is a list of MIME handles. If | |
903 | present they are displayed otherwise the buffer is parsed and then | |
904 | displayed." | |
905 | (let ((handles ()) | |
924df208 BW |
906 | (folder mh-show-folder-buffer) |
907 | (raw-message-data (buffer-string))) | |
c3d9274a BW |
908 | (flet ((mm-handle-set-external-undisplayer |
909 | (handle function) | |
910 | (mh-handle-set-external-undisplayer folder handle function))) | |
924df208 BW |
911 | (goto-char (point-min)) |
912 | (unless (search-forward "\n\n" nil t) | |
913 | (goto-char (point-max)) | |
914 | (insert "\n\n")) | |
915 | ||
916 | (condition-case err | |
917 | (progn | |
918 | ;; If needed dissect the current buffer | |
919 | (if pre-dissected-handles | |
920 | (setq handles pre-dissected-handles) | |
921 | (setq handles (or (mm-dissect-buffer nil) (mm-uu-dissect))) | |
922 | (setf (mh-mime-handles (mh-buffer-data)) | |
923 | (mm-merge-handles handles | |
924 | (mh-mime-handles (mh-buffer-data)))) | |
925 | (unless handles (mh-decode-message-body))) | |
926 | ||
f0d73c14 BW |
927 | (cond ((and handles |
928 | (or (not (stringp (car handles))) (cdr handles))) | |
929 | ;; Goto start of message body | |
930 | (goto-char (point-min)) | |
931 | (or (search-forward "\n\n" nil t) (goto-char (point-max))) | |
bdcfe844 | 932 | |
f0d73c14 BW |
933 | ;; Delete the body |
934 | (delete-region (point) (point-max)) | |
bdcfe844 | 935 | |
f0d73c14 BW |
936 | ;; Display the MIME handles |
937 | (mh-mime-display-part handles)) | |
938 | (t (mh-signature-highlight)))) | |
924df208 BW |
939 | (error |
940 | (message "Please report this error. The error message is:\n %s" | |
941 | (error-message-string err)) | |
942 | (delete-region (point-min) (point-max)) | |
943 | (insert raw-message-data)))))) | |
bdcfe844 BW |
944 | |
945 | (defun mh-mime-display-part (handle) | |
946 | "Decides the viewer to call based on the type of HANDLE." | |
947 | (cond ((null handle) nil) | |
948 | ((not (stringp (car handle))) | |
949 | (mh-mime-display-single handle)) | |
950 | ((equal (car handle) "multipart/alternative") | |
951 | (mh-mime-display-alternative (cdr handle))) | |
0c47b17c | 952 | ((and mh-pgp-support-flag |
bdcfe844 BW |
953 | (or (equal (car handle) "multipart/signed") |
954 | (equal (car handle) "multipart/encrypted"))) | |
955 | (mh-mime-display-security handle)) | |
956 | (t (mh-mime-display-mixed (cdr handle))))) | |
957 | ||
958 | (defun mh-mime-display-alternative (handles) | |
959 | "Choose among the alternatives, HANDLES the part that will be displayed. | |
960 | If no part is preferred then all the parts are displayed." | |
a66894d8 BW |
961 | (let* ((preferred (mm-preferred-alternative handles)) |
962 | (others (loop for x in handles unless (eq x preferred) collect x))) | |
bdcfe844 | 963 | (cond ((and preferred (stringp (car preferred))) |
a66894d8 BW |
964 | (mh-mime-display-part preferred) |
965 | (mh-mime-maybe-display-alternatives others)) | |
bdcfe844 BW |
966 | (preferred |
967 | (save-restriction | |
968 | (narrow-to-region (point) (if (eobp) (point) (1+ (point)))) | |
c3d9274a | 969 | (mh-mime-display-single preferred) |
a66894d8 | 970 | (mh-mime-maybe-display-alternatives others) |
bdcfe844 BW |
971 | (goto-char (point-max)))) |
972 | (t (mh-mime-display-mixed handles))))) | |
973 | ||
a66894d8 BW |
974 | (defun mh-mime-maybe-display-alternatives (alternatives) |
975 | "Show buttons for ALTERNATIVES. | |
976 | If `mh-mime-display-alternatives-flag' is non-nil then display buttons for | |
977 | alternative parts that are usually suppressed." | |
978 | (when (and mh-display-buttons-for-alternatives-flag alternatives) | |
979 | (insert "\n----------------------------------------------------\n") | |
980 | (insert "Alternatives:\n") | |
981 | (dolist (x alternatives) | |
982 | (insert "\n") | |
983 | (mh-insert-mime-button x (mh-mime-part-index x) nil)) | |
984 | (insert "\n----------------------------------------------------\n"))) | |
985 | ||
bdcfe844 BW |
986 | (defun mh-mime-display-mixed (handles) |
987 | "Display the list of MIME parts, HANDLES recursively." | |
988 | (mapcar #'mh-mime-display-part handles)) | |
989 | ||
990 | (defun mh-mime-part-index (handle) | |
991 | "Generate the button number for MIME part, HANDLE. | |
992 | Notice that a hash table is used to display the same number when buttons need | |
993 | to be displayed multiple times (for instance when nested messages are | |
994 | opened)." | |
995 | (or (gethash handle (mh-mime-part-index-hash (mh-buffer-data))) | |
996 | (setf (gethash handle (mh-mime-part-index-hash (mh-buffer-data))) | |
997 | (incf (mh-mime-parts-count (mh-buffer-data)))))) | |
998 | ||
bdcfe844 BW |
999 | (defun mh-small-image-p (handle) |
1000 | "Decide whether HANDLE is a \"small\" image that can be displayed inline. | |
1001 | This is only useful if a Content-Disposition header is not present." | |
1002 | (let ((media-test (caddr (assoc (car (mm-handle-type handle)) | |
1003 | mh-mm-inline-media-tests))) | |
1004 | (mm-inline-large-images t)) | |
1005 | (and media-test | |
1006 | (equal (mm-handle-media-supertype handle) "image") | |
c3d9274a BW |
1007 | (funcall media-test handle) ; Since mm-inline-large-images is T, |
1008 | ; this only tells us if the image is | |
1009 | ; something that emacs can display | |
bdcfe844 | 1010 | (let* ((image (mm-get-image handle))) |
a66894d8 BW |
1011 | (or (mh-do-in-xemacs |
1012 | (and (mh-funcall-if-exists glyphp image) | |
1013 | (< (glyph-width image) | |
1014 | (or mh-max-inline-image-width (window-pixel-width))) | |
1015 | (< (glyph-height image) | |
1016 | (or mh-max-inline-image-height | |
1017 | (window-pixel-height))))) | |
1018 | (mh-do-in-gnu-emacs | |
1019 | (let ((size (mh-funcall-if-exists image-size image))) | |
1020 | (and size | |
1021 | (< (cdr size) (or mh-max-inline-image-height | |
1022 | (1- (window-height)))) | |
1023 | (< (car size) (or mh-max-inline-image-width | |
1024 | (window-width))))))))))) | |
bdcfe844 | 1025 | |
c3d9274a BW |
1026 | (defun mh-inline-vcard-p (handle) |
1027 | "Decide if HANDLE is a vcard that must be displayed inline." | |
1028 | (let ((type (mm-handle-type handle))) | |
924df208 BW |
1029 | (and (or (featurep 'vcard) (fboundp 'vcard-pretty-print)) |
1030 | (consp type) | |
c3d9274a BW |
1031 | (equal (car type) "text/x-vcard") |
1032 | (save-excursion | |
1033 | (save-restriction | |
1034 | (widen) | |
1035 | (goto-char (point-min)) | |
f0d73c14 | 1036 | (not (mh-signature-separator-p))))))) |
c3d9274a | 1037 | |
bdcfe844 BW |
1038 | (defun mh-mime-display-single (handle) |
1039 | "Display a leaf node, HANDLE in the MIME tree." | |
1040 | (let* ((type (mm-handle-media-type handle)) | |
1041 | (small-image-flag (mh-small-image-p handle)) | |
1042 | (attachmentp (equal (car (mm-handle-disposition handle)) | |
1043 | "attachment")) | |
1044 | (inlinep (and (equal (car (mm-handle-disposition handle)) "inline") | |
1045 | (mm-inlinable-p handle) | |
1046 | (mm-inlined-p handle))) | |
c3d9274a BW |
1047 | (displayp (or inlinep ; show if inline OR |
1048 | (mh-inline-vcard-p handle); inline vcard OR | |
1049 | (and (not attachmentp) ; if not an attachment | |
1050 | (or small-image-flag ; and small image | |
1051 | ; and user wants inline | |
bdcfe844 BW |
1052 | (and (not (equal |
1053 | (mm-handle-media-supertype handle) | |
1054 | "image")) | |
1055 | (mm-inlinable-p handle) | |
1056 | (mm-inlined-p handle))))))) | |
1057 | (save-restriction | |
1058 | (narrow-to-region (point) (if (eobp) (point) (1+ (point)))) | |
0c47b17c | 1059 | (cond ((and mh-pgp-support-flag |
bdcfe844 | 1060 | (equal type "application/pgp-signature")) |
c3d9274a | 1061 | nil) ; skip signatures as they are already handled... |
bdcfe844 BW |
1062 | ((not displayp) |
1063 | (insert "\n") | |
1064 | (mh-insert-mime-button handle (mh-mime-part-index handle) nil)) | |
1065 | ((and displayp (not mh-display-buttons-for-inline-parts-flag)) | |
f0d73c14 BW |
1066 | (or (mm-display-part handle) (mm-display-part handle)) |
1067 | (mh-signature-highlight handle)) | |
bdcfe844 BW |
1068 | ((and displayp mh-display-buttons-for-inline-parts-flag) |
1069 | (insert "\n") | |
1070 | (mh-insert-mime-button handle (mh-mime-part-index handle) nil) | |
1071 | (forward-line -1) | |
1072 | (mh-mm-display-part handle))) | |
1073 | (goto-char (point-max))))) | |
1074 | ||
f0d73c14 BW |
1075 | (defun mh-signature-highlight (&optional handle) |
1076 | "Highlight message signature in HANDLE. | |
1077 | The optional argument, HANDLE is a MIME handle if the function is being used | |
1078 | to highlight the signature in a MIME part." | |
1079 | (let ((regexp | |
1080 | (cond ((not handle) "^-- $") | |
1081 | ((not (and (equal (mm-handle-media-supertype handle) "text") | |
1082 | (equal (mm-handle-media-subtype handle) "html"))) | |
1083 | "^-- $") | |
1084 | ((eq (mh-mm-text-html-renderer) 'lynx) "^ --$") | |
1085 | (t "^--$")))) | |
1086 | (save-excursion | |
1087 | (goto-char (point-max)) | |
1088 | (when (re-search-backward regexp nil t) | |
1089 | (mh-do-in-gnu-emacs | |
1090 | (let ((ov (make-overlay (point) (point-max)))) | |
44d55491 | 1091 | (overlay-put ov 'face 'mh-show-signature) |
f0d73c14 BW |
1092 | (overlay-put ov 'evaporate t))) |
1093 | (mh-do-in-xemacs | |
1094 | (set-extent-property (make-extent (point) (point-max)) | |
44d55491 | 1095 | 'face 'mh-show-signature)))))) |
f0d73c14 | 1096 | |
924df208 BW |
1097 | (mh-do-in-xemacs |
1098 | (defvar dots) | |
1099 | (defvar type)) | |
1100 | ||
bdcfe844 BW |
1101 | (defun mh-insert-mime-button (handle index displayed) |
1102 | "Insert MIME button for HANDLE. | |
1103 | INDEX is the part number that will be DISPLAYED. It is also used by commands | |
1104 | like \"K v\" which operate on individual MIME parts." | |
1105 | ;; The button could be displayed by a previous decode. In that case | |
1106 | ;; undisplay it if we need a hidden button. | |
1107 | (when (and (mm-handle-displayed-p handle) (not displayed)) | |
1108 | (mm-display-part handle)) | |
1109 | (let ((name (or (mail-content-type-get (mm-handle-type handle) 'name) | |
1110 | (mail-content-type-get (mm-handle-disposition handle) | |
1111 | 'filename) | |
1112 | (mail-content-type-get (mm-handle-type handle) 'url) | |
1113 | "")) | |
1114 | (type (mm-handle-media-type handle)) | |
1115 | (description (mail-decode-encoded-word-string | |
1116 | (or (mm-handle-description handle) ""))) | |
1117 | (dots (if (or displayed (mm-handle-displayed-p handle)) " " "...")) | |
1118 | long-type begin end) | |
1119 | (if (string-match ".*/" name) (setq name (substring name (match-end 0)))) | |
1120 | (setq long-type (concat type (and (not (equal name "")) | |
1121 | (concat "; " name)))) | |
1122 | (unless (equal description "") | |
1123 | (setq long-type (concat " --- " long-type))) | |
1124 | (unless (bolp) (insert "\n")) | |
1125 | (setq begin (point)) | |
1126 | (gnus-eval-format | |
1127 | mh-mime-button-line-format mh-mime-button-line-format-alist | |
1128 | `(,@(gnus-local-map-property mh-mime-button-map) | |
c3d9274a BW |
1129 | mh-callback mh-mm-display-part |
1130 | mh-part ,index | |
1131 | mh-data ,handle)) | |
bdcfe844 BW |
1132 | (setq end (point)) |
1133 | (widget-convert-button | |
1134 | 'link begin end | |
1135 | :mime-handle handle | |
1136 | :action 'mh-widget-press-button | |
1137 | :button-keymap mh-mime-button-map | |
1138 | :help-echo | |
f0d73c14 BW |
1139 | "Mouse-2 click or press RET (in show buffer) to toggle display") |
1140 | (dolist (ov (mh-funcall-if-exists overlays-in begin end)) | |
1141 | (mh-funcall-if-exists overlay-put ov 'evaporate t)))) | |
bdcfe844 BW |
1142 | |
1143 | ;; There is a bug in Gnus inline image display due to which an extra line | |
1144 | ;; gets inserted every time it is viewed. To work around that problem we are | |
1145 | ;; using an extra property 'mh-region to remember the region that is added | |
1146 | ;; when the button is clicked. The region is then deleted to make sure that | |
1147 | ;; no extra lines get inserted. | |
1148 | (defun mh-mm-display-part (handle) | |
1149 | "Toggle display of button for MIME part, HANDLE." | |
1150 | (beginning-of-line) | |
1151 | (let ((id (get-text-property (point) 'mh-part)) | |
1152 | (point (point)) | |
1153 | (window (selected-window)) | |
1154 | (mail-parse-charset 'nil) | |
1155 | (mail-parse-ignored-charsets nil) | |
1156 | region buffer-read-only) | |
1157 | (save-excursion | |
1158 | (unwind-protect | |
1159 | (let ((win (get-buffer-window (current-buffer) t))) | |
1160 | (when win | |
1161 | (select-window win)) | |
1162 | (goto-char point) | |
1163 | ||
1164 | (if (mm-handle-displayed-p handle) | |
1165 | ;; This will remove the part. | |
1166 | (progn | |
1167 | ;; Delete the button and displayed part (if any) | |
1168 | (let ((region (get-text-property point 'mh-region))) | |
a66894d8 | 1169 | (when region |
924df208 BW |
1170 | (mh-funcall-if-exists |
1171 | remove-images (car region) (cdr region))) | |
bdcfe844 BW |
1172 | (mm-display-part handle) |
1173 | (when region | |
1174 | (delete-region (car region) (cdr region)))) | |
1175 | ;; Delete button (if it still remains). This happens for | |
1176 | ;; externally displayed parts where the previous step does | |
1177 | ;; nothing. | |
1178 | (unless (eolp) | |
1179 | (delete-region (point) (progn (forward-line) (point))))) | |
1180 | (save-restriction | |
1181 | (delete-region (point) (progn (forward-line 1) (point))) | |
1182 | (narrow-to-region (point) (point)) | |
1183 | ;; Maybe we need another unwind-protect here. | |
1184 | (when (equal (mm-handle-media-supertype handle) "image") | |
1185 | (insert "\n")) | |
1186 | (when (and (not (eq (ignore-errors (mm-display-part handle)) | |
1187 | 'inline)) | |
1188 | (equal (mm-handle-media-supertype handle) | |
1189 | "image")) | |
1190 | (goto-char (point-min)) | |
1191 | (delete-char 1)) | |
1192 | (when (equal (mm-handle-media-supertype handle) "text") | |
553fb735 | 1193 | (when (eq mh-highlight-citation-style 'gnus) |
bdcfe844 BW |
1194 | (mh-gnus-article-highlight-citation)) |
1195 | (mh-display-smileys) | |
f0d73c14 BW |
1196 | (mh-display-emphasis) |
1197 | (mh-signature-highlight handle)) | |
bdcfe844 BW |
1198 | (setq region (cons (progn (goto-char (point-min)) |
1199 | (point-marker)) | |
1200 | (progn (goto-char (point-max)) | |
1201 | (point-marker))))))) | |
1202 | (when (window-live-p window) | |
1203 | (select-window window)) | |
1204 | (goto-char point) | |
1205 | (beginning-of-line) | |
1206 | (mh-insert-mime-button handle id (mm-handle-displayed-p handle)) | |
1207 | (goto-char point) | |
1208 | (when region | |
1209 | (add-text-properties (line-beginning-position) (line-end-position) | |
1210 | `(mh-region ,region))))))) | |
1211 | ||
c3d9274a | 1212 | ;;;###mh-autoload |
bdcfe844 | 1213 | (defun mh-press-button () |
553fb735 BW |
1214 | "View contents of button. |
1215 | ||
1216 | This command is a toggle so if you use it again on the same attachment, the | |
1217 | attachment is hidden." | |
bdcfe844 BW |
1218 | (interactive) |
1219 | (let ((mm-inline-media-tests mh-mm-inline-media-tests) | |
1220 | (data (get-text-property (point) 'mh-data)) | |
1221 | (function (get-text-property (point) 'mh-callback)) | |
1222 | (buffer-read-only nil) | |
1223 | (folder mh-show-folder-buffer)) | |
c3d9274a BW |
1224 | (flet ((mm-handle-set-external-undisplayer |
1225 | (handle function) | |
1226 | (mh-handle-set-external-undisplayer folder handle function))) | |
bdcfe844 BW |
1227 | (when (and function (eolp)) |
1228 | (backward-char)) | |
1229 | (unwind-protect (and function (funcall function data)) | |
1230 | (set-buffer-modified-p nil))))) | |
1231 | ||
c3d9274a | 1232 | ;;;###mh-autoload |
bdcfe844 BW |
1233 | (defun mh-push-button (event) |
1234 | "Click MIME button for EVENT. | |
1235 | If the MIME part is visible then it is removed. Otherwise the part is | |
1236 | displayed. This function is called when the mouse is used to click the MIME | |
1237 | button." | |
1238 | (interactive "e") | |
a66894d8 BW |
1239 | (mh-do-at-event-location event |
1240 | (let ((folder mh-show-folder-buffer) | |
1241 | (mm-inline-media-tests mh-mm-inline-media-tests) | |
1242 | (data (get-text-property (point) 'mh-data)) | |
1243 | (function (get-text-property (point) 'mh-callback))) | |
1244 | (flet ((mm-handle-set-external-undisplayer (handle func) | |
1245 | (mh-handle-set-external-undisplayer folder handle func))) | |
1246 | (and function (funcall function data)))))) | |
bdcfe844 | 1247 | |
c3d9274a | 1248 | ;;;###mh-autoload |
bdcfe844 BW |
1249 | (defun mh-mime-save-part () |
1250 | "Save MIME part at point." | |
1251 | (interactive) | |
1252 | (let ((data (get-text-property (point) 'mh-data))) | |
1253 | (when data | |
a66894d8 BW |
1254 | (let ((mm-default-directory |
1255 | (file-name-as-directory (or mh-mime-save-parts-directory | |
1256 | default-directory)))) | |
c3d9274a BW |
1257 | (mh-mm-save-part data) |
1258 | (setq mh-mime-save-parts-directory mm-default-directory))))) | |
bdcfe844 | 1259 | |
c3d9274a | 1260 | ;;;###mh-autoload |
bdcfe844 BW |
1261 | (defun mh-mime-inline-part () |
1262 | "Toggle display of the raw MIME part." | |
1263 | (interactive) | |
1264 | (let* ((buffer-read-only nil) | |
1265 | (data (get-text-property (point) 'mh-data)) | |
1266 | (inserted-flag (get-text-property (point) 'mh-mime-inserted)) | |
1267 | (displayed-flag (mm-handle-displayed-p data)) | |
1268 | (point (point)) | |
1269 | start end) | |
1270 | (cond ((and data (not inserted-flag) (not displayed-flag)) | |
1271 | (let ((contents (mm-get-part data))) | |
1272 | (add-text-properties (line-beginning-position) (line-end-position) | |
1273 | '(mh-mime-inserted t)) | |
1274 | (setq start (point-marker)) | |
1275 | (forward-line 1) | |
1276 | (mm-insert-inline data contents) | |
1277 | (setq end (point-marker)) | |
1278 | (add-text-properties | |
1279 | start (progn (goto-char start) (line-end-position)) | |
1280 | `(mh-region (,start . ,end))))) | |
1281 | ((and data (or inserted-flag displayed-flag)) | |
1282 | (mh-press-button) | |
1283 | (message "MIME part already inserted"))) | |
1284 | (goto-char point) | |
1285 | (set-buffer-modified-p nil))) | |
1286 | ||
f0d73c14 BW |
1287 | ;;;###mh-autoload |
1288 | (defun mh-display-with-external-viewer (part-index) | |
553fb735 BW |
1289 | "View attachment externally. |
1290 | ||
1291 | If Emacs does not know how to view an attachment, you could save it into a | |
1292 | file and then run some program to open it. It is easier, however, to launch | |
1293 | the program directly from MH-E with this command. While you'll most likely use | |
1294 | this to view spreadsheets and documents, it is also useful to use your browser | |
1295 | to view HTML attachments with higher fidelity than what Emacs can provide. | |
1296 | ||
1297 | This command displays the attachment associated with the button under the | |
1298 | cursor. If the cursor is not located over a button, then the cursor first | |
1299 | moves to the next button, wrapping to the beginning of the message if | |
1300 | necessary. You can provide a numeric prefix argument PART-INDEX to view the | |
1301 | attachment labeled with that number. | |
1302 | ||
1303 | This command tries to provide a reasonable default for the viewer by calling | |
1304 | the Emacs function `mailcap-mime-info'. This function usually reads the file | |
1305 | \"/etc/mailcap\"." | |
f0d73c14 BW |
1306 | (interactive "P") |
1307 | (when (consp part-index) (setq part-index (car part-index))) | |
1308 | (mh-folder-mime-action | |
1309 | part-index | |
1310 | #'(lambda () | |
1311 | (let* ((part (get-text-property (point) 'mh-data)) | |
1312 | (type (mm-handle-media-type part)) | |
1313 | (methods (mapcar (lambda (x) (list (cdr (assoc 'viewer x)))) | |
1314 | (mailcap-mime-info type 'all))) | |
1315 | (def (caar methods)) | |
553fb735 BW |
1316 | (prompt (format "Viewer%s: " (if def |
1317 | (format " (default %s)" def) | |
1318 | ""))) | |
f0d73c14 BW |
1319 | (method (completing-read prompt methods nil nil nil nil def)) |
1320 | (folder mh-show-folder-buffer) | |
1321 | (buffer-read-only nil)) | |
1322 | (when (string-match "^[^% \t]+$" method) | |
1323 | (setq method (concat method " %s"))) | |
1324 | (flet ((mm-handle-set-external-undisplayer (handle function) | |
1325 | (mh-handle-set-external-undisplayer folder handle function))) | |
1326 | (unwind-protect (mm-display-external part method) | |
1327 | (set-buffer-modified-p nil))))) | |
1328 | nil)) | |
1329 | ||
bdcfe844 BW |
1330 | (defun mh-widget-press-button (widget el) |
1331 | "Callback for widget, WIDGET. | |
1332 | Parameter EL is unused." | |
1333 | (goto-char (widget-get widget :from)) | |
1334 | (mh-press-button)) | |
1335 | ||
1336 | (defun mh-mime-display-security (handle) | |
1337 | "Display PGP encrypted/signed message, HANDLE." | |
bdcfe844 BW |
1338 | (save-restriction |
1339 | (narrow-to-region (point) (point)) | |
f0d73c14 | 1340 | (insert "\n") |
bdcfe844 BW |
1341 | (mh-insert-mime-security-button handle) |
1342 | (mh-mime-display-mixed (cdr handle)) | |
1343 | (insert "\n") | |
1344 | (let ((mh-mime-security-button-line-format | |
c3d9274a | 1345 | mh-mime-security-button-end-line-format)) |
bdcfe844 BW |
1346 | (mh-insert-mime-security-button handle)) |
1347 | (mm-set-handle-multipart-parameter | |
f0d73c14 | 1348 | handle 'mh-region (cons (point-min-marker) (point-max-marker))))) |
bdcfe844 BW |
1349 | |
1350 | ;;; I rewrote the security part because Gnus doesn't seem to ever minimize | |
1351 | ;;; the button. That is once the mime-security button is pressed there seems | |
1352 | ;;; to be no way of getting rid of the inserted text. | |
1353 | (defun mh-mime-security-show-details (handle) | |
1354 | "Toggle display of detailed security info for HANDLE." | |
1355 | (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details))) | |
1356 | (when details | |
1357 | (let ((mh-mime-security-button-pressed | |
c3d9274a | 1358 | (not (get-text-property (point) 'mh-button-pressed))) |
bdcfe844 | 1359 | (mh-mime-security-button-line-format |
c3d9274a | 1360 | (get-text-property (point) 'mh-line-format))) |
bdcfe844 BW |
1361 | (forward-char -1) |
1362 | (while (eq (get-text-property (point) 'mh-line-format) | |
1363 | mh-mime-security-button-line-format) | |
1364 | (forward-char -1)) | |
1365 | (forward-char) | |
1366 | (save-restriction | |
1367 | (narrow-to-region (point) (point)) | |
1368 | (mh-insert-mime-security-button handle)) | |
1369 | (delete-region | |
1370 | (point) | |
1371 | (or (text-property-not-all | |
1372 | (point) (point-max) | |
1373 | 'mh-line-format mh-mime-security-button-line-format) | |
1374 | (point-max))) | |
1375 | (forward-line -1))))) | |
1376 | ||
e495eaec BW |
1377 | (defun mh-mime-security-button-face (info) |
1378 | "Return the button face to use for encrypted/signed mail based on INFO." | |
1379 | (cond ((string-match "OK" info) ;Decrypted mail | |
1380 | mh-show-pgg-good-face) | |
1381 | ((string-match "Failed" info) ;Decryption failed or signature invalid | |
1382 | mh-show-pgg-bad-face) | |
1383 | ((string-match "Undecided" info);Unprocessed mail | |
1384 | mh-show-pgg-unknown-face) | |
1385 | ((string-match "Untrusted" info);Key not trusted | |
1386 | mh-show-pgg-unknown-face) | |
1387 | (t mh-show-pgg-good-face))) | |
1388 | ||
bdcfe844 BW |
1389 | (defun mh-mime-security-press-button (handle) |
1390 | "Callback from security button for part HANDLE." | |
f0d73c14 BW |
1391 | (if (mm-handle-multipart-ctl-parameter handle 'gnus-info) |
1392 | (mh-mime-security-show-details handle) | |
1393 | (let ((region (mm-handle-multipart-ctl-parameter handle 'mh-region)) | |
1394 | point) | |
1395 | (setq point (point)) | |
1396 | (goto-char (car region)) | |
1397 | (delete-region (car region) (cdr region)) | |
1398 | (with-current-buffer (mm-handle-multipart-ctl-parameter handle 'buffer) | |
1399 | (let* ((mm-verify-option 'known) | |
1400 | (mm-decrypt-option 'known) | |
1401 | (new (mm-possibly-verify-or-decrypt (cdr handle) handle))) | |
1402 | (unless (eq new (cdr handle)) | |
1403 | (mm-destroy-parts (cdr handle)) | |
1404 | (setcdr handle new)))) | |
1405 | (mh-mime-display-security handle) | |
1406 | (goto-char point)))) | |
bdcfe844 BW |
1407 | |
1408 | ;; These variables should already be initialized in mm-decode.el if we have a | |
1409 | ;; recent enough Gnus. The defvars are here to avoid compiler warnings. | |
1410 | (defvar mm-verify-function-alist nil) | |
1411 | (defvar mm-decrypt-function-alist nil) | |
1412 | ||
1413 | (defvar pressed-details) | |
1414 | ||
1415 | (defun mh-insert-mime-security-button (handle) | |
1416 | "Display buttons for PGP message, HANDLE." | |
1417 | (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol)) | |
1418 | (crypto-type (or (nth 2 (assoc protocol mm-verify-function-alist)) | |
1419 | (nth 2 (assoc protocol mm-decrypt-function-alist)) | |
1420 | "Unknown")) | |
1421 | (type (concat crypto-type | |
1422 | (if (equal (car handle) "multipart/signed") | |
1423 | " Signed" " Encrypted") | |
1424 | " Part")) | |
1425 | (info (or (mm-handle-multipart-ctl-parameter handle 'gnus-info) | |
1426 | "Undecided")) | |
1427 | (details (mm-handle-multipart-ctl-parameter handle 'gnus-details)) | |
e495eaec | 1428 | pressed-details begin end face) |
bdcfe844 BW |
1429 | (setq details (if details (concat "\n" details) "")) |
1430 | (setq pressed-details (if mh-mime-security-button-pressed details "")) | |
e495eaec | 1431 | (setq face (mh-mime-security-button-face info)) |
bdcfe844 BW |
1432 | (unless (bolp) (insert "\n")) |
1433 | (setq begin (point)) | |
1434 | (gnus-eval-format | |
1435 | mh-mime-security-button-line-format | |
1436 | mh-mime-security-button-line-format-alist | |
1437 | `(,@(gnus-local-map-property mh-mime-security-button-map) | |
c3d9274a BW |
1438 | mh-button-pressed ,mh-mime-security-button-pressed |
1439 | mh-callback mh-mime-security-press-button | |
1440 | mh-line-format ,mh-mime-security-button-line-format | |
1441 | mh-data ,handle)) | |
bdcfe844 BW |
1442 | (setq end (point)) |
1443 | (widget-convert-button 'link begin end | |
1444 | :mime-handle handle | |
1445 | :action 'mh-widget-press-button | |
1446 | :button-keymap mh-mime-security-button-map | |
e495eaec | 1447 | :button-face face |
bdcfe844 | 1448 | :help-echo "Mouse-2 click or press RET (in show buffer) to see security details.") |
f0d73c14 BW |
1449 | (dolist (ov (mh-funcall-if-exists overlays-in begin end)) |
1450 | (mh-funcall-if-exists overlay-put ov 'evaporate t)) | |
bdcfe844 BW |
1451 | (when (equal info "Failed") |
1452 | (let* ((type (if (equal (car handle) "multipart/signed") | |
1453 | "verification" "decryption")) | |
1454 | (warning (if (equal type "decryption") | |
1455 | "(passphrase may be incorrect)" ""))) | |
1456 | (message "%s %s failed %s" crypto-type type warning))))) | |
1457 | ||
1458 | (defun mh-mm-inline-message (handle) | |
1459 | "Display message, HANDLE. | |
1460 | The function decodes the message and displays it. It avoids decoding the same | |
1461 | message multiple times." | |
1462 | (let ((b (point)) | |
bdcfe844 | 1463 | (clean-message-header mh-clean-message-header-flag) |
f0d73c14 BW |
1464 | (invisible-headers mh-invisible-header-fields-compiled) |
1465 | (visible-headers nil)) | |
bdcfe844 BW |
1466 | (save-excursion |
1467 | (save-restriction | |
1468 | (narrow-to-region b b) | |
1469 | (mm-insert-part handle) | |
1470 | (mh-mime-display | |
1471 | (or (gethash handle (mh-mime-handles-cache (mh-buffer-data))) | |
1472 | (setf (gethash handle (mh-mime-handles-cache (mh-buffer-data))) | |
1473 | (let ((handles (or (mm-dissect-buffer nil) | |
1474 | (mm-uu-dissect)))) | |
1475 | (setf (mh-mime-handles (mh-buffer-data)) | |
1476 | (mm-merge-handles | |
1477 | handles (mh-mime-handles (mh-buffer-data)))) | |
1478 | handles)))) | |
1479 | ||
1480 | (goto-char (point-min)) | |
924df208 | 1481 | (mh-show-xface) |
bdcfe844 BW |
1482 | (cond (clean-message-header |
1483 | (mh-clean-msg-header (point-min) | |
1484 | invisible-headers | |
1485 | visible-headers) | |
1486 | (goto-char (point-min))) | |
1487 | (t | |
1488 | (mh-start-of-uncleaned-message))) | |
924df208 | 1489 | (mh-decode-message-header) |
bdcfe844 BW |
1490 | (mh-show-addr) |
1491 | ;; The other highlighting types don't need anything special | |
553fb735 | 1492 | (when (eq mh-highlight-citation-style 'gnus) |
bdcfe844 BW |
1493 | (mh-gnus-article-highlight-citation)) |
1494 | (goto-char (point-min)) | |
1495 | (insert "\n------- Forwarded Message\n\n") | |
1496 | (mh-display-smileys) | |
1497 | (mh-display-emphasis) | |
1498 | (mm-handle-set-undisplayer | |
1499 | handle | |
1500 | `(lambda () | |
1501 | (let (buffer-read-only) | |
1502 | (if (fboundp 'remove-specifier) | |
1503 | ;; This is only valid on XEmacs. | |
1504 | (mapcar (lambda (prop) | |
1505 | (remove-specifier | |
1506 | (face-property 'default prop) (current-buffer))) | |
1507 | '(background background-pixmap foreground))) | |
1508 | (delete-region ,(point-min-marker) ,(point-max-marker))))))))) | |
1509 | ||
1510 | (provide 'mh-mime) | |
1511 | ||
1512 | ;;; Local Variables: | |
c3d9274a | 1513 | ;;; indent-tabs-mode: nil |
bdcfe844 BW |
1514 | ;;; sentence-end-double-space: nil |
1515 | ;;; End: | |
1516 | ||
ab5796a9 | 1517 | ;;; arch-tag: 0dd36518-1b64-4a84-8f4e-59f422d3f002 |
60370d40 | 1518 | ;;; mh-mime.el ends here |