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bdcfe844 | 1 | ;;; mh-mime.el --- MH-E support for composing MIME messages |
c26cf6c8 | 2 | |
a66894d8 | 3 | ;; Copyright (C) 1993, 1995, 2001, 02, 03, 2004 Free Software Foundation, Inc. |
a1b4049d BW |
4 | |
5 | ;; Author: Bill Wohler <wohler@newt.com> | |
6 | ;; Maintainer: Bill Wohler <wohler@newt.com> | |
7 | ;; Keywords: mail | |
8 | ;; See: mh-e.el | |
c26cf6c8 | 9 | |
60370d40 | 10 | ;; This file is part of GNU Emacs. |
c26cf6c8 | 11 | |
9b7bc076 | 12 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
c26cf6c8 RS |
13 | ;; it under the terms of the GNU General Public License as published by |
14 | ;; the Free Software Foundation; either version 2, or (at your option) | |
15 | ;; any later version. | |
16 | ||
9b7bc076 | 17 | ;; GNU Emacs is distributed in the hope that it will be useful, |
c26cf6c8 RS |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
24 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
25 | ;; Boston, MA 02111-1307, USA. | |
c26cf6c8 RS |
26 | |
27 | ;;; Commentary: | |
28 | ||
bdcfe844 | 29 | ;; Internal support for MH-E package. |
b578f267 EN |
30 | ;; Support for generating an mhn composition file. |
31 | ;; MIME is supported only by MH 6.8 or later. | |
c26cf6c8 | 32 | |
847b8219 KH |
33 | ;;; Change Log: |
34 | ||
c26cf6c8 RS |
35 | ;;; Code: |
36 | ||
f0d73c14 | 37 | (eval-when-compile (require 'mh-acros)) |
a66894d8 BW |
38 | (mh-require-cl) |
39 | (require 'mh-comp) | |
bdcfe844 | 40 | (require 'gnus-util) |
a66894d8 | 41 | (require 'mh-gnus) |
bdcfe844 BW |
42 | |
43 | (autoload 'gnus-article-goto-header "gnus-art") | |
44 | (autoload 'article-emphasize "gnus-art") | |
45 | (autoload 'gnus-get-buffer-create "gnus") | |
46 | (autoload 'gnus-eval-format "gnus-spec") | |
47 | (autoload 'widget-convert-button "wid-edit") | |
48 | (autoload 'message-options-set-recipient "message") | |
f0d73c14 | 49 | (autoload 'mml-unsecure-message "mml-sec") |
bdcfe844 BW |
50 | (autoload 'mml-minibuffer-read-file "mml") |
51 | (autoload 'mml-minibuffer-read-description "mml") | |
52 | (autoload 'mml-insert-empty-tag "mml") | |
53 | (autoload 'mml-to-mime "mml") | |
54 | (autoload 'mml-attach-file "mml") | |
924df208 | 55 | (autoload 'rfc2047-decode-region "rfc2047") |
bdcfe844 | 56 | |
c3d9274a | 57 | ;;;###mh-autoload |
bdcfe844 BW |
58 | (defun mh-compose-insertion (&optional inline) |
59 | "Add a directive to insert a MIME part from a file, using mhn or gnus. | |
60 | If the variable `mh-compose-insertion' is set to 'mhn, then that will be used. | |
61 | If it is set to 'gnus, then that will be used instead. | |
62 | Optional argument INLINE means make it an inline attachment." | |
63 | (interactive "P") | |
64 | (if (equal mh-compose-insertion 'gnus) | |
65 | (if inline | |
66 | (mh-mml-attach-file "inline") | |
67 | (mh-mml-attach-file)) | |
68 | (call-interactively 'mh-mhn-compose-insertion))) | |
69 | ||
c3d9274a | 70 | ;;;###mh-autoload |
bdcfe844 BW |
71 | (defun mh-compose-forward (&optional description folder message) |
72 | "Add a MIME directive to forward a message, using mhn or gnus. | |
73 | If the variable `mh-compose-insertion' is set to 'mhn, then that will be used. | |
74 | If it is set to 'gnus, then that will be used instead. | |
75 | Optional argument DESCRIPTION is a description of the attachment. | |
76 | Optional argument FOLDER is the folder from which the forwarded message should | |
77 | come. | |
78 | Optional argument MESSAGE is the message to forward. | |
79 | If any of the optional arguments are absent, they are prompted for." | |
80 | (interactive (list | |
c3d9274a BW |
81 | (read-string "Forw Content-description: ") |
82 | (mh-prompt-for-folder "Message from" mh-sent-from-folder nil) | |
83 | (read-string (format "Messages%s: " | |
f0d73c14 | 84 | (if (numberp mh-sent-from-msg) |
bdcfe844 | 85 | (format " [%d]" mh-sent-from-msg) |
c3d9274a | 86 | ""))))) |
bdcfe844 BW |
87 | (if (equal mh-compose-insertion 'gnus) |
88 | (mh-mml-forward-message description folder message) | |
89 | (mh-mhn-compose-forw description folder message))) | |
c26cf6c8 | 90 | |
c26cf6c8 RS |
91 | ;; To do: |
92 | ;; paragraph code should not fill # lines if MIME enabled. | |
93 | ;; implement mh-auto-edit-mhn (if non-nil, \\[mh-send-letter] | |
c3d9274a | 94 | ;; invokes mh-edit-mhn automatically before sending.) |
c26cf6c8 RS |
95 | ;; actually, instead of mh-auto-edit-mhn, |
96 | ;; should read automhnproc from profile | |
97 | ;; MIME option to mh-forward | |
98 | ;; command to move to content-description insertion point | |
99 | ||
847b8219 KH |
100 | (defvar mh-mhn-args nil |
101 | "Extra arguments to have \\[mh-edit-mhn] pass to the \"mhn\" command. | |
102 | The arguments are passed to mhn if \\[mh-edit-mhn] is given a | |
103 | prefix argument. Normally default arguments to mhn are specified in the | |
104 | MH profile.") | |
105 | ||
bdcfe844 BW |
106 | (defvar mh-media-type-regexp |
107 | (concat (regexp-opt '("text" "image" "audio" "video" "application" | |
108 | "multipart" "message") t) | |
109 | "/[-.+a-zA-Z0-9]+") | |
110 | "Regexp matching valid media types used in MIME attachment compositions.") | |
111 | ||
112 | ;; Just defvar the variable to avoid compiler warning... This doesn't bind | |
113 | ;; the variable, so things should work exactly as before. | |
114 | (defvar mh-have-file-command) | |
847b8219 | 115 | |
f0d73c14 | 116 | ;;;###mh-autoload |
a1b4049d BW |
117 | (defun mh-have-file-command () |
118 | "Return t if 'file' command is on the system. | |
119 | 'file -i' is used to get MIME type of composition insertion." | |
120 | (when (not (boundp 'mh-have-file-command)) | |
c3d9274a | 121 | (load "executable" t t) ; executable-find not autoloaded in emacs20 |
a1b4049d BW |
122 | (setq mh-have-file-command |
123 | (and (fboundp 'executable-find) | |
124 | (executable-find "file") ; file command exists | |
125 | ; and accepts -i and -b args. | |
126 | (zerop (call-process "file" nil nil nil "-i" "-b" | |
127 | (expand-file-name "inc" mh-progs)))))) | |
128 | mh-have-file-command) | |
129 | ||
bdcfe844 BW |
130 | (defvar mh-file-mime-type-substitutions |
131 | '(("application/msword" "\.xls" "application/ms-excel") | |
f0d73c14 BW |
132 | ("application/msword" "\.ppt" "application/ms-powerpoint") |
133 | ("text/plain" "\.vcf" "text/x-vcard")) | |
bdcfe844 BW |
134 | "Substitutions to make for Content-Type returned from file command. |
135 | The first element is the Content-Type returned by the file command. | |
136 | The second element is a regexp matching the file name, usually the extension. | |
137 | The third element is the Content-Type to replace with.") | |
138 | ||
139 | (defun mh-file-mime-type-substitute (content-type filename) | |
140 | "Return possibly changed CONTENT-TYPE on the FILENAME. | |
141 | Substitutions are made from the `mh-file-mime-type-substitutions' variable." | |
142 | (let ((subst mh-file-mime-type-substitutions) | |
143 | (type) (match) (answer content-type) | |
144 | (case-fold-search t)) | |
145 | (while subst | |
146 | (setq type (car (car subst)) | |
147 | match (elt (car subst) 1)) | |
148 | (if (and (string-equal content-type type) | |
149 | (string-match match filename)) | |
150 | (setq answer (elt (car subst) 2) | |
151 | subst nil) | |
152 | (setq subst (cdr subst)))) | |
153 | answer)) | |
154 | ||
f0d73c14 | 155 | ;;;###mh-autoload |
a1b4049d BW |
156 | (defun mh-file-mime-type (filename) |
157 | "Return MIME type of FILENAME from file command. | |
158 | Returns nil if file command not on system." | |
159 | (cond | |
160 | ((not (mh-have-file-command)) | |
161 | nil) ;No file command, exit now. | |
162 | ((not (and (file-exists-p filename)(file-readable-p filename))) | |
163 | nil) | |
164 | (t | |
165 | (save-excursion | |
166 | (let ((tmp-buffer (get-buffer-create mh-temp-buffer))) | |
167 | (set-buffer tmp-buffer) | |
168 | (unwind-protect | |
169 | (progn | |
170 | (call-process "file" nil '(t nil) nil "-b" "-i" | |
171 | (expand-file-name filename)) | |
172 | (goto-char (point-min)) | |
173 | (if (not (re-search-forward mh-media-type-regexp nil t)) | |
174 | nil | |
bdcfe844 | 175 | (mh-file-mime-type-substitute (match-string 0) filename))) |
a1b4049d BW |
176 | (kill-buffer tmp-buffer))))))) |
177 | ||
a1b4049d | 178 | ;;; This is needed for Emacs20 which doesn't have mailcap-mime-types. |
c26cf6c8 | 179 | (defvar mh-mime-content-types |
a1b4049d BW |
180 | '(("application/mac-binhex40") ("application/msword") |
181 | ("application/octet-stream") ("application/pdf") ("application/pgp-keys") | |
182 | ("application/pgp-signature") ("application/pkcs7-signature") | |
183 | ("application/postscript") ("application/rtf") | |
184 | ("application/vnd.ms-excel") ("application/vnd.ms-powerpoint") | |
185 | ("application/vnd.ms-project") ("application/vnd.ms-tnef") | |
186 | ("application/wordperfect5.1") ("application/wordperfect6.0") | |
187 | ("application/zip") | |
188 | ||
189 | ("audio/basic") ("audio/mpeg") | |
190 | ||
191 | ("image/gif") ("image/jpeg") ("image/png") | |
192 | ||
193 | ("message/delivery-status") | |
194 | ("message/external-body") ("message/partial") ("message/rfc822") | |
195 | ||
196 | ("text/enriched") ("text/html") ("text/plain") ("text/rfc822-headers") | |
f0d73c14 | 197 | ("text/richtext") ("text/x-vcard") ("text/xml") |
a1b4049d BW |
198 | |
199 | ("video/mpeg") ("video/quicktime")) | |
200 | "Legal MIME content types. | |
201 | See documentation for \\[mh-edit-mhn].") | |
202 | ||
f0d73c14 BW |
203 | ;; RFC 2045 - Multipurpose Internet Mail Extensions (MIME) Part One: |
204 | ;; Format of Internet Message Bodies. | |
205 | ;; RFC 2046 - Multipurpose Internet Mail Extensions (MIME) Part Two: | |
206 | ;; Media Types. | |
207 | ;; RFC 2049 - Multipurpose Internet Mail Extensions (MIME) Part Five: | |
208 | ;; Conformance Criteria and Examples. | |
209 | ;; RFC 2017 - Definition of the URL MIME External-Body Access-Type | |
210 | ;; RFC 1738 - Uniform Resource Locators (URL) | |
211 | (defvar mh-access-types | |
212 | '(("anon-ftp") ; RFC2046 Anonymous File Transfer Protocol | |
213 | ("file") ; RFC1738 Host-specific file names | |
214 | ("ftp") ; RFC2046 File Transfer Protocol | |
215 | ("gopher") ; RFC1738 The Gopher Protocol | |
216 | ("http") ; RFC1738 Hypertext Transfer Protocol | |
217 | ("local-file") ; RFC2046 Local file access | |
218 | ("mail-server") ; RFC2046 mail-server Electronic mail address | |
219 | ("mailto") ; RFC1738 Electronic mail address | |
220 | ("news") ; RFC1738 Usenet news | |
221 | ("nntp") ; RFC1738 Usenet news using NNTP access | |
222 | ("propspero") ; RFC1738 Prospero Directory Service | |
223 | ("telnet") ; RFC1738 Telnet | |
224 | ("tftp") ; RFC2046 Trivial File Transfer Protocol | |
225 | ("url") ; RFC2017 URL scheme MIME access-type Protocol | |
226 | ("wais")) ; RFC1738 Wide Area Information Servers | |
227 | "Legal MIME access-type values.") | |
228 | ||
c3d9274a | 229 | ;;;###mh-autoload |
3fda54a2 | 230 | (defun mh-mhn-compose-insertion (filename type description attributes) |
42c21202 | 231 | "Add a directive to insert a MIME message part from a file. |
bdcfe844 BW |
232 | This is the typical way to insert non-text parts in a message. |
233 | ||
234 | Arguments are FILENAME, which tells where to find the file, TYPE, the MIME | |
235 | content type, DESCRIPTION, a line of text for the Content-Description field. | |
236 | ATTRIBUTES is a comma separated list of name=value pairs that is appended to | |
237 | the Content-Type field of the attachment. | |
238 | ||
a1b4049d BW |
239 | See also \\[mh-edit-mhn]." |
240 | (interactive (let ((filename (read-file-name "Insert contents of: "))) | |
c3d9274a BW |
241 | (list |
242 | filename | |
a1b4049d | 243 | (or (mh-file-mime-type filename) |
c3d9274a BW |
244 | (completing-read "Content-Type: " |
245 | (if (fboundp 'mailcap-mime-types) | |
246 | (mapcar 'list (mailcap-mime-types)) | |
247 | mh-mime-content-types))) | |
248 | (read-string "Content-Description: ") | |
249 | (read-string "Content-Attributes: " | |
250 | (concat "name=\"" | |
251 | (file-name-nondirectory filename) | |
252 | "\""))))) | |
3fda54a2 | 253 | (mh-mhn-compose-type filename type description attributes )) |
c26cf6c8 | 254 | |
3fda54a2 | 255 | (defun mh-mhn-compose-type (filename type |
c3d9274a | 256 | &optional description attributes comment) |
bdcfe844 BW |
257 | "Insert a mhn directive to insert a file. |
258 | ||
259 | The file specified by FILENAME is encoded as TYPE. An optional DESCRIPTION is | |
260 | used as the Content-Description field, optional set of ATTRIBUTES and an | |
261 | optional COMMENT can also be included." | |
c26cf6c8 RS |
262 | (beginning-of-line) |
263 | (insert "#" type) | |
264 | (and attributes | |
265 | (insert "; " attributes)) | |
266 | (and comment | |
267 | (insert " (" comment ")")) | |
268 | (insert " [") | |
269 | (and description | |
270 | (insert description)) | |
3fda54a2 | 271 | (insert "] " (expand-file-name filename)) |
c26cf6c8 RS |
272 | (insert "\n")) |
273 | ||
274 | ||
c3d9274a | 275 | ;;;###mh-autoload |
3fda54a2 | 276 | (defun mh-mhn-compose-anon-ftp (host filename type description) |
42c21202 | 277 | "Add a directive for a MIME anonymous ftp external body part. |
bdcfe844 BW |
278 | This directive tells MH to include a reference to a message/external-body part |
279 | retrievable by anonymous FTP. | |
280 | ||
281 | Arguments are HOST and FILENAME, which tell where to find the file, TYPE, the | |
282 | MIME content type, and DESCRIPTION, a line of text for the Content-description | |
283 | header. | |
284 | ||
285 | See also \\[mh-edit-mhn]." | |
c26cf6c8 | 286 | (interactive (list |
c3d9274a BW |
287 | (read-string "Remote host: ") |
288 | (read-string "Remote filename: ") | |
289 | (completing-read "External Content-Type: " | |
290 | (if (fboundp 'mailcap-mime-types) | |
291 | (mapcar 'list (mailcap-mime-types)) | |
292 | mh-mime-content-types)) | |
293 | (read-string "External Content-Description: "))) | |
3fda54a2 | 294 | (mh-mhn-compose-external-type "anon-ftp" host filename |
c3d9274a | 295 | type description)) |
c26cf6c8 | 296 | |
c3d9274a | 297 | ;;;###mh-autoload |
3fda54a2 | 298 | (defun mh-mhn-compose-external-compressed-tar (host filename description) |
42c21202 | 299 | "Add a directive to include a MIME reference to a compressed tar file. |
bdcfe844 BW |
300 | The file should be available via anonymous ftp. This directive tells MH to |
301 | include a reference to a message/external-body part. | |
302 | ||
3fda54a2 | 303 | Arguments are HOST and FILENAME, which tell where to find the file, and |
847b8219 | 304 | DESCRIPTION, a line of text for the Content-description header. |
bdcfe844 | 305 | |
c26cf6c8 RS |
306 | See also \\[mh-edit-mhn]." |
307 | (interactive (list | |
c3d9274a BW |
308 | (read-string "Remote host: ") |
309 | (read-string "Remote filename: ") | |
310 | (read-string "Tar file Content-description: "))) | |
3fda54a2 | 311 | (mh-mhn-compose-external-type "anon-ftp" host filename |
c3d9274a BW |
312 | "application/octet-stream" |
313 | description | |
314 | "type=tar; conversions=x-compress" | |
315 | "mode=image")) | |
c26cf6c8 | 316 | |
f0d73c14 | 317 | ;;;###mh-autoload |
3fda54a2 | 318 | (defun mh-mhn-compose-external-type (access-type host filename type |
c3d9274a BW |
319 | &optional description |
320 | attributes extra-params | |
321 | comment) | |
bdcfe844 BW |
322 | "Add a directive to include a MIME reference to a remote file. |
323 | The file should be available via anonymous ftp. This directive tells MH to | |
324 | include a reference to a message/external-body part. | |
325 | ||
326 | Arguments are ACCESS-TYPE, HOST and FILENAME, which tell where to find the | |
327 | file and TYPE which is the MIME Content-Type. Optional arguments include | |
328 | DESCRIPTION, a line of text for the Content-description header, ATTRIBUTES, | |
329 | EXTRA-PARAMS, and COMMENT. | |
330 | ||
331 | See also \\[mh-edit-mhn]." | |
f0d73c14 BW |
332 | (interactive (list |
333 | (completing-read "Access Type: " mh-access-types) | |
334 | (read-string "Remote host: ") | |
335 | (read-string "Remote url-path: ") | |
336 | (completing-read "Content-Type: " | |
337 | (if (fboundp 'mailcap-mime-types) | |
338 | (mapcar 'list (mailcap-mime-types)) | |
339 | mh-mime-content-types)) | |
340 | (if current-prefix-arg (read-string "Content-description: ")) | |
341 | (if current-prefix-arg (read-string "Attributes: ")) | |
342 | (if current-prefix-arg (read-string "Extra Parameters: ")) | |
343 | (if current-prefix-arg (read-string "Comment: ")))) | |
c26cf6c8 RS |
344 | (beginning-of-line) |
345 | (insert "#@" type) | |
346 | (and attributes | |
347 | (insert "; " attributes)) | |
348 | (and comment | |
349 | (insert " (" comment ") ")) | |
350 | (insert " [") | |
351 | (and description | |
352 | (insert description)) | |
353 | (insert "] ") | |
354 | (insert "access-type=" access-type "; ") | |
355 | (insert "site=" host) | |
3fda54a2 | 356 | (insert "; name=" (file-name-nondirectory filename)) |
f0d73c14 BW |
357 | (let ((directory (file-name-directory filename))) |
358 | (and directory | |
359 | (insert "; directory=\"" directory "\""))) | |
c26cf6c8 RS |
360 | (and extra-params |
361 | (insert "; " extra-params)) | |
362 | (insert "\n")) | |
363 | ||
c3d9274a | 364 | ;;;###mh-autoload |
847b8219 | 365 | (defun mh-mhn-compose-forw (&optional description folder messages) |
42c21202 | 366 | "Add a forw directive to this message, to forward a message with MIME. |
c26cf6c8 | 367 | This directive tells MH to include the named messages in this one. |
bdcfe844 | 368 | |
c26cf6c8 | 369 | Arguments are DESCRIPTION, a line of text for the Content-description header, |
42c21202 | 370 | and FOLDER and MESSAGES, which name the message(s) to be forwarded. |
bdcfe844 | 371 | |
c26cf6c8 RS |
372 | See also \\[mh-edit-mhn]." |
373 | (interactive (list | |
c3d9274a BW |
374 | (read-string "Forw Content-description: ") |
375 | (mh-prompt-for-folder "Message from" mh-sent-from-folder nil) | |
376 | (read-string (format "Messages%s: " | |
f0d73c14 | 377 | (if (numberp mh-sent-from-msg) |
c3d9274a BW |
378 | (format " [%d]" mh-sent-from-msg) |
379 | ""))))) | |
c26cf6c8 RS |
380 | (beginning-of-line) |
381 | (insert "#forw [") | |
382 | (and description | |
383 | (not (string= description "")) | |
384 | (insert description)) | |
385 | (insert "]") | |
386 | (and folder | |
387 | (not (string= folder "")) | |
388 | (insert " " folder)) | |
847b8219 | 389 | (if (and messages |
c3d9274a | 390 | (not (string= messages ""))) |
c26cf6c8 | 391 | (let ((start (point))) |
c3d9274a BW |
392 | (insert " " messages) |
393 | (subst-char-in-region start (point) ?, ? )) | |
f0d73c14 | 394 | (if (numberp mh-sent-from-msg) |
c3d9274a | 395 | (insert " " (int-to-string mh-sent-from-msg)))) |
c26cf6c8 RS |
396 | (insert "\n")) |
397 | ||
c3d9274a | 398 | ;;;###mh-autoload |
847b8219 KH |
399 | (defun mh-edit-mhn (&optional extra-args) |
400 | "Format the current draft for MIME, expanding any mhn directives. | |
a1b4049d BW |
401 | |
402 | Process the current draft with the mhn program, which, using directives | |
403 | already inserted in the draft, fills in all the MIME components and header | |
404 | fields. | |
405 | ||
924df208 BW |
406 | This step is performed automatically when sending the message, but this |
407 | function may be called manually before sending the draft as well. | |
a1b4049d BW |
408 | |
409 | The `\\[mh-revert-mhn-edit]' command undoes this command. The arguments in the | |
410 | list `mh-mhn-args' are passed to mhn if this function is passed an optional | |
411 | prefix argument EXTRA-ARGS. | |
412 | ||
413 | For assistance with creating mhn directives to insert various types of | |
414 | components in a message, see \\[mh-mhn-compose-insertion] (generic insertion | |
415 | from a file), \\[mh-mhn-compose-anon-ftp] (external reference to file via | |
416 | anonymous ftp), \\[mh-mhn-compose-external-compressed-tar] \ \(reference to | |
417 | compressed tar file via anonymous ftp), and \\[mh-mhn-compose-forw] (forward | |
924df208 | 418 | message). |
a1b4049d | 419 | |
bdcfe844 BW |
420 | The value of `mh-edit-mhn-hook' is a list of functions to be called, with no |
421 | arguments, after performing the conversion. | |
422 | ||
a1b4049d | 423 | The mhn program is part of MH version 6.8 or later." |
847b8219 | 424 | (interactive "*P") |
f0d73c14 | 425 | (mh-mhn-quote-unescaped-sharp) |
c26cf6c8 RS |
426 | (save-buffer) |
427 | (message "mhn editing...") | |
a1b4049d | 428 | (cond |
f0d73c14 | 429 | ((mh-variant-p 'nmh) |
a1b4049d BW |
430 | (mh-exec-cmd-error nil |
431 | "mhbuild" (if extra-args mh-mhn-args) buffer-file-name)) | |
432 | (t | |
433 | (mh-exec-cmd-error (format "mhdraft=%s" buffer-file-name) | |
434 | "mhn" (if extra-args mh-mhn-args) buffer-file-name))) | |
c26cf6c8 | 435 | (revert-buffer t t) |
847b8219 KH |
436 | (message "mhn editing...done") |
437 | (run-hooks 'mh-edit-mhn-hook)) | |
c26cf6c8 | 438 | |
f0d73c14 BW |
439 | (defun mh-mhn-quote-unescaped-sharp () |
440 | "Quote `#' characters that haven't been quoted for `mhbuild'. | |
441 | If the `#' character is present in the first column, but it isn't part of a | |
442 | MHN directive then `mhbuild' gives an error. This function will quote all such | |
443 | characters." | |
444 | (save-excursion | |
445 | (goto-char (point-min)) | |
446 | (while (re-search-forward "^#" nil t) | |
447 | (beginning-of-line) | |
448 | (unless (mh-mhn-directive-present-p (point) (line-end-position)) | |
449 | (insert "#")) | |
450 | (goto-char (line-end-position))))) | |
451 | ||
c3d9274a | 452 | ;;;###mh-autoload |
c26cf6c8 | 453 | (defun mh-revert-mhn-edit (noconfirm) |
a1b4049d BW |
454 | "Undo the effect of \\[mh-edit-mhn] by reverting to the backup file. |
455 | Optional non-nil argument NOCONFIRM means don't ask for confirmation." | |
c26cf6c8 RS |
456 | (interactive "*P") |
457 | (if (null buffer-file-name) | |
458 | (error "Buffer does not seem to be associated with any file")) | |
459 | (let ((backup-strings '("," "#")) | |
c3d9274a | 460 | backup-file) |
c26cf6c8 | 461 | (while (and backup-strings |
c3d9274a BW |
462 | (not (file-exists-p |
463 | (setq backup-file | |
464 | (concat (file-name-directory buffer-file-name) | |
465 | (car backup-strings) | |
466 | (file-name-nondirectory buffer-file-name) | |
467 | ".orig"))))) | |
c26cf6c8 RS |
468 | (setq backup-strings (cdr backup-strings))) |
469 | (or backup-strings | |
c3d9274a | 470 | (error "Backup file for %s no longer exists!" buffer-file-name)) |
c26cf6c8 | 471 | (or noconfirm |
c3d9274a BW |
472 | (yes-or-no-p (format "Revert buffer from file %s? " |
473 | backup-file)) | |
474 | (error "Revert not confirmed")) | |
c26cf6c8 RS |
475 | (let ((buffer-read-only nil)) |
476 | (erase-buffer) | |
477 | (insert-file-contents backup-file)) | |
478 | (after-find-file nil))) | |
60370d40 | 479 | |
924df208 | 480 | ;;;###mh-autoload |
f0d73c14 BW |
481 | (defun mh-mhn-directive-present-p (&optional begin end) |
482 | "Check if the text between BEGIN and END might be a MHN directive. | |
483 | The optional argument BEGIN defaults to the beginning of the buffer, while END | |
484 | defaults to the the end of the buffer." | |
485 | (unless begin (setq begin (point-min))) | |
486 | (unless end (setq end (point-max))) | |
924df208 BW |
487 | (save-excursion |
488 | (block 'search-for-mhn-directive | |
f0d73c14 BW |
489 | (goto-char begin) |
490 | (while (re-search-forward "^#" end t) | |
924df208 BW |
491 | (let ((s (buffer-substring-no-properties (point) (line-end-position)))) |
492 | (cond ((equal s "")) | |
493 | ((string-match "^forw[ \t\n]+" s) | |
494 | (return-from 'search-for-mhn-directive t)) | |
495 | (t (let ((first-token (car (split-string s "[ \t;@]")))) | |
f0d73c14 BW |
496 | (when (and first-token |
497 | (string-match mh-media-type-regexp | |
498 | first-token)) | |
924df208 BW |
499 | (return-from 'search-for-mhn-directive t))))))) |
500 | nil))) | |
501 | ||
bdcfe844 BW |
502 | \f |
503 | ||
504 | ;;; MIME composition functions | |
505 | ||
c3d9274a | 506 | ;;;###mh-autoload |
bdcfe844 | 507 | (defun mh-mml-to-mime () |
924df208 BW |
508 | "Compose MIME message from mml directives. |
509 | This step is performed automatically when sending the message, but this | |
510 | function may be called manually before sending the draft as well." | |
bdcfe844 | 511 | (interactive) |
a66894d8 | 512 | (require 'message) |
bdcfe844 BW |
513 | (when mh-gnus-pgp-support-flag ;; This is only needed for PGP |
514 | (message-options-set-recipient)) | |
f0d73c14 BW |
515 | (let ((saved-text (buffer-string)) |
516 | (buffer (current-buffer)) | |
517 | (modified-flag (buffer-modified-p))) | |
518 | (condition-case err (mml-to-mime) | |
519 | (error | |
520 | (with-current-buffer buffer | |
521 | (delete-region (point-min) (point-max)) | |
522 | (insert saved-text) | |
523 | (set-buffer-modified-p modified-flag)) | |
524 | (error (error-message-string err)))))) | |
bdcfe844 | 525 | |
c3d9274a | 526 | ;;;###mh-autoload |
bdcfe844 BW |
527 | (defun mh-mml-forward-message (description folder message) |
528 | "Forward a message as attachment. | |
529 | The function will prompt the user for a DESCRIPTION, a FOLDER and MESSAGE | |
530 | number." | |
f0d73c14 | 531 | (let ((msg (if (and (equal message "") (numberp mh-sent-from-msg)) |
bdcfe844 BW |
532 | mh-sent-from-msg |
533 | (car (read-from-string message))))) | |
534 | (cond ((integerp msg) | |
535 | (if (string= "" description) | |
536 | ;; Rationale: mml-attach-file constructs a malformed composition | |
537 | ;; if the description string is empty. This fixes SF #625168. | |
538 | (mml-attach-file (format "%s%s/%d" | |
539 | mh-user-path (substring folder 1) msg) | |
540 | "message/rfc822") | |
541 | (mml-attach-file (format "%s%s/%d" | |
542 | mh-user-path (substring folder 1) msg) | |
543 | "message/rfc822" | |
924df208 | 544 | description))) |
bdcfe844 BW |
545 | (t (error "The message number, %s is not a integer!" msg))))) |
546 | ||
f0d73c14 BW |
547 | (defvar mh-mml-cryptographic-method-history ()) |
548 | ||
549 | ;;;###mh-autoload | |
550 | (defun mh-mml-query-cryptographic-method () | |
551 | "Read the cryptographic method to use." | |
552 | (if current-prefix-arg | |
553 | (let ((def (or (car mh-mml-cryptographic-method-history) | |
554 | mh-mml-method-default))) | |
555 | (completing-read (format "Method: [%s] " def) | |
556 | '(("pgp") ("pgpmime") ("smime")) | |
557 | nil t nil 'mh-mml-cryptographic-method-history def)) | |
558 | mh-mml-method-default)) | |
559 | ||
c3d9274a | 560 | ;;;###mh-autoload |
bdcfe844 BW |
561 | (defun mh-mml-attach-file (&optional disposition) |
562 | "Attach a file to the outgoing MIME message. | |
563 | The file is not inserted or encoded until you send the message with | |
564 | `\\[mh-send-letter]'. | |
565 | Message disposition is \"inline\" or \"attachment\" and is prompted for if | |
566 | DISPOSITION is nil. | |
567 | ||
568 | This is basically `mml-attach-file' from gnus, modified such that a prefix | |
569 | argument yields an `inline' disposition and Content-Type is determined | |
570 | automatically." | |
571 | (let* ((file (mml-minibuffer-read-file "Attach file: ")) | |
572 | (type (or (mh-file-mime-type file) | |
573 | (completing-read "Content-Type: " | |
574 | (if (fboundp 'mailcap-mime-types) | |
575 | (mapcar 'list (mailcap-mime-types)) | |
576 | mh-mime-content-types)))) | |
577 | (description (mml-minibuffer-read-description)) | |
578 | (dispos (or disposition | |
579 | (completing-read "Disposition: [attachment] " | |
580 | '(("attachment")("inline")) | |
581 | nil t nil nil | |
582 | "attachment")))) | |
583 | (mml-insert-empty-tag 'part 'type type 'filename file | |
924df208 | 584 | 'disposition dispos 'description description))) |
bdcfe844 | 585 | |
f0d73c14 BW |
586 | (defun mh-secure-message (method mode &optional identity) |
587 | "Add directive to Encrypt/Sign an entire message. | |
588 | METHOD should be one of: \"pgpmime\", \"pgp\", \"smime\". | |
589 | MODE should be one of: \"sign\", \"encrypt\", \"signencrypt\", \"none\". | |
590 | IDENTITY is optionally the default-user-id to use." | |
bdcfe844 BW |
591 | (if (not mh-gnus-pgp-support-flag) |
592 | (error "Sorry. Your version of gnus does not support PGP/GPG") | |
f0d73c14 BW |
593 | ;; Check the arguments |
594 | (let ((valid-methods (list "pgpmime" "pgp" "smime")) | |
595 | (valid-modes (list "sign" "encrypt" "signencrypt" "none"))) | |
596 | (if (not (member method valid-methods)) | |
597 | (error (format "Sorry. METHOD \"%s\" is invalid." method))) | |
598 | (if (not (member mode valid-modes)) | |
599 | (error (format "Sorry. MODE \"%s\" is invalid" mode))) | |
600 | (mml-unsecure-message) | |
601 | (if (not (string= mode "none")) | |
602 | (save-excursion | |
603 | (goto-char (point-min)) | |
604 | (mh-goto-header-end 1) | |
605 | (if mh-identity-pgg-default-user-id | |
606 | (mml-insert-tag 'secure 'method method 'mode mode | |
607 | 'sender mh-identity-pgg-default-user-id) | |
608 | (mml-insert-tag 'secure 'method method 'mode mode))))))) | |
bdcfe844 | 609 | |
c3d9274a | 610 | ;;;###mh-autoload |
f0d73c14 BW |
611 | (defun mh-mml-unsecure-message (&optional ignore) |
612 | "Remove any secure message directives. | |
613 | The IGNORE argument is not used." | |
bdcfe844 BW |
614 | (interactive "P") |
615 | (if (not mh-gnus-pgp-support-flag) | |
616 | (error "Sorry. Your version of gnus does not support PGP/GPG") | |
f0d73c14 BW |
617 | (mml-unsecure-message))) |
618 | ||
619 | ;;;###mh-autoload | |
620 | (defun mh-mml-secure-message-sign (method) | |
621 | "Add security directive to sign the entire message using METHOD." | |
622 | (interactive (list (mh-mml-query-cryptographic-method))) | |
623 | (mh-secure-message method "sign" mh-identity-pgg-default-user-id)) | |
624 | ||
625 | ;;;###mh-autoload | |
626 | (defun mh-mml-secure-message-encrypt (method) | |
627 | "Add security directive to encrypt the entire message using METHOD." | |
628 | (interactive (list (mh-mml-query-cryptographic-method))) | |
629 | (mh-secure-message method "encrypt" mh-identity-pgg-default-user-id)) | |
630 | ||
631 | ;;;###mh-autoload | |
632 | (defun mh-mml-secure-message-signencrypt (method) | |
633 | "Add security directive to encrypt and sign the entire message using METHOD." | |
634 | (interactive (list (mh-mml-query-cryptographic-method))) | |
635 | (mh-secure-message method "signencrypt" mh-identity-pgg-default-user-id)) | |
924df208 BW |
636 | |
637 | ;;;###mh-autoload | |
638 | (defun mh-mml-directive-present-p () | |
639 | "Check if the current buffer has text which may be an MML directive." | |
640 | (save-excursion | |
641 | (goto-char (point-min)) | |
642 | (re-search-forward | |
643 | "\\(<#part\\(.\\|\n\\)*>[ \n\t]*<#/part>\\|^<#secure.+>$\\)" | |
644 | nil t))) | |
bdcfe844 BW |
645 | |
646 | \f | |
647 | ||
bdcfe844 BW |
648 | ;;; MIME cleanup |
649 | ||
c3d9274a | 650 | ;;;###mh-autoload |
bdcfe844 BW |
651 | (defun mh-mime-cleanup () |
652 | "Free the decoded MIME parts." | |
653 | (let ((mime-data (gethash (current-buffer) mh-globals-hash))) | |
654 | ;; This is for Emacs, what about XEmacs? | |
924df208 | 655 | (mh-funcall-if-exists remove-images (point-min) (point-max)) |
bdcfe844 BW |
656 | (when mime-data |
657 | (mm-destroy-parts (mh-mime-handles mime-data)) | |
658 | (remhash (current-buffer) mh-globals-hash)))) | |
659 | ||
c3d9274a | 660 | ;;;###mh-autoload |
bdcfe844 BW |
661 | (defun mh-destroy-postponed-handles () |
662 | "Free MIME data for externally displayed mime parts." | |
663 | (let ((mime-data (mh-buffer-data))) | |
664 | (when mime-data | |
665 | (mm-destroy-parts (mh-mime-handles mime-data))) | |
666 | (remhash (current-buffer) mh-globals-hash))) | |
667 | ||
668 | (defun mh-handle-set-external-undisplayer (folder handle function) | |
669 | "Replacement for `mm-handle-set-external-undisplayer'. | |
670 | This is only called in recent versions of Gnus. The MIME handles are stored | |
671 | in data structures corresponding to MH-E folder buffer FOLDER instead of in | |
672 | Gnus (as in the original). The MIME part, HANDLE is associated with the | |
673 | undisplayer FUNCTION." | |
674 | (if (mm-keep-viewer-alive-p handle) | |
675 | (let ((new-handle (copy-sequence handle))) | |
c3d9274a BW |
676 | (mm-handle-set-undisplayer new-handle function) |
677 | (mm-handle-set-undisplayer handle nil) | |
bdcfe844 BW |
678 | (save-excursion |
679 | (set-buffer folder) | |
680 | (push new-handle (mh-mime-handles (mh-buffer-data))))) | |
681 | (mm-handle-set-undisplayer handle function))) | |
682 | ||
683 | \f | |
684 | ||
685 | ;;; MIME transformations | |
c3d9274a | 686 | (eval-when-compile (require 'font-lock)) |
bdcfe844 | 687 | |
c3d9274a | 688 | ;;;###mh-autoload |
bdcfe844 BW |
689 | (defun mh-add-missing-mime-version-header () |
690 | "Some mail programs don't put a MIME-Version header. | |
691 | I have seen this only in spam, so maybe we shouldn't fix this ;-)" | |
692 | (save-excursion | |
693 | (goto-char (point-min)) | |
a66894d8 BW |
694 | (re-search-forward "\n\n" nil t) |
695 | (save-restriction | |
696 | (narrow-to-region (point-min) (point)) | |
697 | (when (and (message-fetch-field "content-type") | |
698 | (not (message-fetch-field "mime-version"))) | |
699 | (goto-char (point-min)) | |
bdcfe844 BW |
700 | (insert "MIME-Version: 1.0\n"))))) |
701 | ||
a66894d8 BW |
702 | (defun mh-small-show-buffer-p () |
703 | "Check if show buffer is small. | |
704 | This is used to decide if smileys and graphical emphasis will be displayed." | |
705 | (let ((max nil)) | |
706 | (when (and (boundp 'font-lock-maximum-size) font-lock-maximum-size) | |
707 | (cond ((numberp font-lock-maximum-size) | |
708 | (setq max font-lock-maximum-size)) | |
709 | ((listp font-lock-maximum-size) | |
710 | (setq max (cdr (or (assoc 'mh-show-mode font-lock-maximum-size) | |
711 | (assoc t font-lock-maximum-size))))))) | |
712 | (or (not (numberp max)) (>= (/ max 8) (buffer-size))))) | |
713 | ||
c3d9274a | 714 | ;;;###mh-autoload |
bdcfe844 BW |
715 | (defun mh-display-smileys () |
716 | "Function to display smileys." | |
a66894d8 BW |
717 | (when (and mh-graphical-smileys-flag (mh-small-show-buffer-p)) |
718 | (mh-funcall-if-exists smiley-region (point-min) (point-max)))) | |
bdcfe844 | 719 | |
c3d9274a | 720 | ;;;###mh-autoload |
bdcfe844 BW |
721 | (defun mh-display-emphasis () |
722 | "Function to display graphical emphasis." | |
a66894d8 | 723 | (when (and mh-graphical-emphasis-flag (mh-small-show-buffer-p)) |
c3d9274a | 724 | (flet ((article-goto-body ())) ; shadow this function to do nothing |
bdcfe844 BW |
725 | (save-excursion |
726 | (goto-char (point-min)) | |
727 | (article-emphasize))))) | |
728 | ||
729 | ;; Copied from gnus-art.el (should be checked for other cool things that can | |
730 | ;; be added to the buttons) | |
731 | (defvar mh-mime-button-commands | |
732 | '((mh-press-button "\r" "Toggle Display"))) | |
733 | (defvar mh-mime-button-map | |
734 | (let ((map (make-sparse-keymap))) | |
735 | (unless (>= (string-to-number emacs-version) 21) | |
736 | ;; XEmacs doesn't care. | |
737 | (set-keymap-parent map mh-show-mode-map)) | |
924df208 BW |
738 | (mh-do-in-gnu-emacs |
739 | (define-key map [mouse-2] 'mh-push-button)) | |
740 | (mh-do-in-xemacs | |
741 | (define-key map '(button2) 'mh-push-button)) | |
bdcfe844 BW |
742 | (dolist (c mh-mime-button-commands) |
743 | (define-key map (cadr c) (car c))) | |
744 | map)) | |
745 | (defvar mh-mime-button-line-format-alist | |
746 | '((?T long-type ?s) | |
747 | (?d description ?s) | |
748 | (?p index ?s) | |
749 | (?e dots ?s))) | |
750 | (defvar mh-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n") | |
751 | (defvar mh-mime-security-button-pressed nil) | |
752 | (defvar mh-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n") | |
753 | (defvar mh-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n") | |
754 | (defvar mh-mime-security-button-line-format-alist | |
755 | '((?t type ?s) | |
756 | (?i info ?s) | |
757 | (?d details ?s) | |
758 | (?D pressed-details ?s))) | |
759 | (defvar mh-mime-security-button-map | |
760 | (let ((map (make-sparse-keymap))) | |
761 | (unless (>= (string-to-number emacs-version) 21) | |
762 | (set-keymap-parent map mh-show-mode-map)) | |
763 | (define-key map "\r" 'mh-press-button) | |
924df208 BW |
764 | (mh-do-in-gnu-emacs |
765 | (define-key map [mouse-2] 'mh-push-button)) | |
766 | (mh-do-in-xemacs | |
767 | (define-key map '(button2) 'mh-push-button)) | |
bdcfe844 BW |
768 | map)) |
769 | ||
770 | (defvar mh-mime-save-parts-directory nil | |
771 | "Default to use for `mh-mime-save-parts-default-directory'. | |
772 | Set from last use.") | |
773 | ||
c3d9274a | 774 | ;;;###mh-autoload |
bdcfe844 BW |
775 | (defun mh-mime-save-parts (arg) |
776 | "Store the MIME parts of the current message. | |
777 | If ARG, prompt for directory, else use that specified by the variable | |
778 | `mh-mime-save-parts-default-directory'. These directories may be superseded by | |
779 | mh_profile directives, since this function calls on mhstore or mhn to do the | |
780 | actual storing." | |
781 | (interactive "P") | |
782 | (let ((msg (if (eq major-mode 'mh-show-mode) | |
783 | (mh-show-buffer-message-number) | |
784 | (mh-get-msg-num t))) | |
785 | (folder (if (eq major-mode 'mh-show-mode) | |
786 | mh-show-folder-buffer | |
787 | mh-current-folder)) | |
f0d73c14 | 788 | (command (if (mh-variant-p 'nmh) "mhstore" "mhn")) |
bdcfe844 BW |
789 | (directory |
790 | (cond | |
791 | ((and (or arg | |
792 | (equal nil mh-mime-save-parts-default-directory) | |
793 | (equal t mh-mime-save-parts-default-directory)) | |
794 | (not mh-mime-save-parts-directory)) | |
f0d73c14 | 795 | (read-file-name "Store in directory: " nil nil t nil)) |
bdcfe844 BW |
796 | ((and (or arg |
797 | (equal t mh-mime-save-parts-default-directory)) | |
798 | mh-mime-save-parts-directory) | |
799 | (read-file-name (format | |
f0d73c14 | 800 | "Store in directory: [%s] " |
bdcfe844 BW |
801 | mh-mime-save-parts-directory) |
802 | "" mh-mime-save-parts-directory t "")) | |
803 | ((stringp mh-mime-save-parts-default-directory) | |
804 | mh-mime-save-parts-default-directory) | |
805 | (t | |
806 | mh-mime-save-parts-directory)))) | |
807 | (if (and (equal directory "") mh-mime-save-parts-directory) | |
808 | (setq directory mh-mime-save-parts-directory)) | |
809 | (if (not (file-directory-p directory)) | |
f0d73c14 | 810 | (message "No directory specified") |
bdcfe844 BW |
811 | (if (equal nil mh-mime-save-parts-default-directory) |
812 | (setq mh-mime-save-parts-directory directory)) | |
813 | (save-excursion | |
924df208 | 814 | (set-buffer (get-buffer-create mh-log-buffer)) |
bdcfe844 BW |
815 | (cd directory) |
816 | (setq mh-mime-save-parts-directory directory) | |
924df208 BW |
817 | (let ((initial-size (mh-truncate-log-buffer))) |
818 | (apply 'call-process | |
819 | (expand-file-name command mh-progs) nil t nil | |
820 | (mh-list-to-string (list folder msg "-auto"))) | |
821 | (if (> (buffer-size) initial-size) | |
822 | (save-window-excursion | |
823 | (switch-to-buffer-other-window mh-log-buffer) | |
824 | (sit-for 3)))))))) | |
bdcfe844 BW |
825 | |
826 | ;; Avoid errors if gnus-sum isn't loaded yet... | |
827 | (defvar gnus-newsgroup-charset nil) | |
828 | (defvar gnus-newsgroup-name nil) | |
829 | ||
924df208 BW |
830 | (defun mh-decode-message-body () |
831 | "Decode message based on charset. | |
832 | If message has been encoded for transfer take that into account." | |
a66894d8 BW |
833 | (let (ct charset cte) |
834 | (goto-char (point-min)) | |
835 | (re-search-forward "\n\n" nil t) | |
836 | (save-restriction | |
837 | (narrow-to-region (point-min) (point)) | |
838 | (setq ct (ignore-errors (mail-header-parse-content-type | |
839 | (message-fetch-field "Content-Type" t))) | |
840 | charset (mail-content-type-get ct 'charset) | |
841 | cte (message-fetch-field "Content-Transfer-Encoding"))) | |
924df208 BW |
842 | (when (stringp cte) (setq cte (mail-header-strip cte))) |
843 | (when (or (not ct) (equal (car ct) "text/plain")) | |
844 | (save-restriction | |
845 | (narrow-to-region (min (1+ (mh-mail-header-end)) (point-max)) | |
846 | (point-max)) | |
847 | (mm-decode-body charset | |
848 | (and cte (intern (downcase | |
849 | (gnus-strip-whitespace cte)))) | |
850 | (car ct)))))) | |
851 | ||
852 | ;;;###mh-autoload | |
853 | (defun mh-decode-message-header () | |
854 | "Decode RFC2047 encoded message header fields." | |
855 | (when mh-decode-mime-flag | |
856 | (let ((buffer-read-only nil)) | |
857 | (rfc2047-decode-region (point-min) (mh-mail-header-end))))) | |
858 | ||
c3d9274a | 859 | ;;;###mh-autoload |
bdcfe844 BW |
860 | (defun mh-mime-display (&optional pre-dissected-handles) |
861 | "Display (and possibly decode) MIME handles. | |
862 | Optional argument, PRE-DISSECTED-HANDLES is a list of MIME handles. If | |
863 | present they are displayed otherwise the buffer is parsed and then | |
864 | displayed." | |
865 | (let ((handles ()) | |
924df208 BW |
866 | (folder mh-show-folder-buffer) |
867 | (raw-message-data (buffer-string))) | |
c3d9274a BW |
868 | (flet ((mm-handle-set-external-undisplayer |
869 | (handle function) | |
870 | (mh-handle-set-external-undisplayer folder handle function))) | |
924df208 BW |
871 | (goto-char (point-min)) |
872 | (unless (search-forward "\n\n" nil t) | |
873 | (goto-char (point-max)) | |
874 | (insert "\n\n")) | |
875 | ||
876 | (condition-case err | |
877 | (progn | |
878 | ;; If needed dissect the current buffer | |
879 | (if pre-dissected-handles | |
880 | (setq handles pre-dissected-handles) | |
881 | (setq handles (or (mm-dissect-buffer nil) (mm-uu-dissect))) | |
882 | (setf (mh-mime-handles (mh-buffer-data)) | |
883 | (mm-merge-handles handles | |
884 | (mh-mime-handles (mh-buffer-data)))) | |
885 | (unless handles (mh-decode-message-body))) | |
886 | ||
f0d73c14 BW |
887 | (cond ((and handles |
888 | (or (not (stringp (car handles))) (cdr handles))) | |
889 | ;; Goto start of message body | |
890 | (goto-char (point-min)) | |
891 | (or (search-forward "\n\n" nil t) (goto-char (point-max))) | |
bdcfe844 | 892 | |
f0d73c14 BW |
893 | ;; Delete the body |
894 | (delete-region (point) (point-max)) | |
bdcfe844 | 895 | |
f0d73c14 BW |
896 | ;; Display the MIME handles |
897 | (mh-mime-display-part handles)) | |
898 | (t (mh-signature-highlight)))) | |
924df208 BW |
899 | (error |
900 | (message "Please report this error. The error message is:\n %s" | |
901 | (error-message-string err)) | |
902 | (delete-region (point-min) (point-max)) | |
903 | (insert raw-message-data)))))) | |
bdcfe844 BW |
904 | |
905 | (defun mh-mime-display-part (handle) | |
906 | "Decides the viewer to call based on the type of HANDLE." | |
907 | (cond ((null handle) nil) | |
908 | ((not (stringp (car handle))) | |
909 | (mh-mime-display-single handle)) | |
910 | ((equal (car handle) "multipart/alternative") | |
911 | (mh-mime-display-alternative (cdr handle))) | |
912 | ((and mh-gnus-pgp-support-flag | |
913 | (or (equal (car handle) "multipart/signed") | |
914 | (equal (car handle) "multipart/encrypted"))) | |
915 | (mh-mime-display-security handle)) | |
916 | (t (mh-mime-display-mixed (cdr handle))))) | |
917 | ||
918 | (defun mh-mime-display-alternative (handles) | |
919 | "Choose among the alternatives, HANDLES the part that will be displayed. | |
920 | If no part is preferred then all the parts are displayed." | |
a66894d8 BW |
921 | (let* ((preferred (mm-preferred-alternative handles)) |
922 | (others (loop for x in handles unless (eq x preferred) collect x))) | |
bdcfe844 | 923 | (cond ((and preferred (stringp (car preferred))) |
a66894d8 BW |
924 | (mh-mime-display-part preferred) |
925 | (mh-mime-maybe-display-alternatives others)) | |
bdcfe844 BW |
926 | (preferred |
927 | (save-restriction | |
928 | (narrow-to-region (point) (if (eobp) (point) (1+ (point)))) | |
c3d9274a | 929 | (mh-mime-display-single preferred) |
a66894d8 | 930 | (mh-mime-maybe-display-alternatives others) |
bdcfe844 BW |
931 | (goto-char (point-max)))) |
932 | (t (mh-mime-display-mixed handles))))) | |
933 | ||
a66894d8 BW |
934 | (defun mh-mime-maybe-display-alternatives (alternatives) |
935 | "Show buttons for ALTERNATIVES. | |
936 | If `mh-mime-display-alternatives-flag' is non-nil then display buttons for | |
937 | alternative parts that are usually suppressed." | |
938 | (when (and mh-display-buttons-for-alternatives-flag alternatives) | |
939 | (insert "\n----------------------------------------------------\n") | |
940 | (insert "Alternatives:\n") | |
941 | (dolist (x alternatives) | |
942 | (insert "\n") | |
943 | (mh-insert-mime-button x (mh-mime-part-index x) nil)) | |
944 | (insert "\n----------------------------------------------------\n"))) | |
945 | ||
bdcfe844 BW |
946 | (defun mh-mime-display-mixed (handles) |
947 | "Display the list of MIME parts, HANDLES recursively." | |
948 | (mapcar #'mh-mime-display-part handles)) | |
949 | ||
950 | (defun mh-mime-part-index (handle) | |
951 | "Generate the button number for MIME part, HANDLE. | |
952 | Notice that a hash table is used to display the same number when buttons need | |
953 | to be displayed multiple times (for instance when nested messages are | |
954 | opened)." | |
955 | (or (gethash handle (mh-mime-part-index-hash (mh-buffer-data))) | |
956 | (setf (gethash handle (mh-mime-part-index-hash (mh-buffer-data))) | |
957 | (incf (mh-mime-parts-count (mh-buffer-data)))))) | |
958 | ||
bdcfe844 BW |
959 | (defun mh-small-image-p (handle) |
960 | "Decide whether HANDLE is a \"small\" image that can be displayed inline. | |
961 | This is only useful if a Content-Disposition header is not present." | |
962 | (let ((media-test (caddr (assoc (car (mm-handle-type handle)) | |
963 | mh-mm-inline-media-tests))) | |
964 | (mm-inline-large-images t)) | |
965 | (and media-test | |
966 | (equal (mm-handle-media-supertype handle) "image") | |
c3d9274a BW |
967 | (funcall media-test handle) ; Since mm-inline-large-images is T, |
968 | ; this only tells us if the image is | |
969 | ; something that emacs can display | |
bdcfe844 | 970 | (let* ((image (mm-get-image handle))) |
a66894d8 BW |
971 | (or (mh-do-in-xemacs |
972 | (and (mh-funcall-if-exists glyphp image) | |
973 | (< (glyph-width image) | |
974 | (or mh-max-inline-image-width (window-pixel-width))) | |
975 | (< (glyph-height image) | |
976 | (or mh-max-inline-image-height | |
977 | (window-pixel-height))))) | |
978 | (mh-do-in-gnu-emacs | |
979 | (let ((size (mh-funcall-if-exists image-size image))) | |
980 | (and size | |
981 | (< (cdr size) (or mh-max-inline-image-height | |
982 | (1- (window-height)))) | |
983 | (< (car size) (or mh-max-inline-image-width | |
984 | (window-width))))))))))) | |
bdcfe844 | 985 | |
c3d9274a BW |
986 | (defun mh-inline-vcard-p (handle) |
987 | "Decide if HANDLE is a vcard that must be displayed inline." | |
988 | (let ((type (mm-handle-type handle))) | |
924df208 BW |
989 | (and (or (featurep 'vcard) (fboundp 'vcard-pretty-print)) |
990 | (consp type) | |
c3d9274a BW |
991 | (equal (car type) "text/x-vcard") |
992 | (save-excursion | |
993 | (save-restriction | |
994 | (widen) | |
995 | (goto-char (point-min)) | |
f0d73c14 | 996 | (not (mh-signature-separator-p))))))) |
c3d9274a | 997 | |
bdcfe844 BW |
998 | (defun mh-mime-display-single (handle) |
999 | "Display a leaf node, HANDLE in the MIME tree." | |
1000 | (let* ((type (mm-handle-media-type handle)) | |
1001 | (small-image-flag (mh-small-image-p handle)) | |
1002 | (attachmentp (equal (car (mm-handle-disposition handle)) | |
1003 | "attachment")) | |
1004 | (inlinep (and (equal (car (mm-handle-disposition handle)) "inline") | |
1005 | (mm-inlinable-p handle) | |
1006 | (mm-inlined-p handle))) | |
c3d9274a BW |
1007 | (displayp (or inlinep ; show if inline OR |
1008 | (mh-inline-vcard-p handle); inline vcard OR | |
1009 | (and (not attachmentp) ; if not an attachment | |
1010 | (or small-image-flag ; and small image | |
1011 | ; and user wants inline | |
bdcfe844 BW |
1012 | (and (not (equal |
1013 | (mm-handle-media-supertype handle) | |
1014 | "image")) | |
1015 | (mm-inlinable-p handle) | |
1016 | (mm-inlined-p handle))))))) | |
1017 | (save-restriction | |
1018 | (narrow-to-region (point) (if (eobp) (point) (1+ (point)))) | |
1019 | (cond ((and mh-gnus-pgp-support-flag | |
1020 | (equal type "application/pgp-signature")) | |
c3d9274a | 1021 | nil) ; skip signatures as they are already handled... |
bdcfe844 BW |
1022 | ((not displayp) |
1023 | (insert "\n") | |
1024 | (mh-insert-mime-button handle (mh-mime-part-index handle) nil)) | |
1025 | ((and displayp (not mh-display-buttons-for-inline-parts-flag)) | |
f0d73c14 BW |
1026 | (or (mm-display-part handle) (mm-display-part handle)) |
1027 | (mh-signature-highlight handle)) | |
bdcfe844 BW |
1028 | ((and displayp mh-display-buttons-for-inline-parts-flag) |
1029 | (insert "\n") | |
1030 | (mh-insert-mime-button handle (mh-mime-part-index handle) nil) | |
1031 | (forward-line -1) | |
1032 | (mh-mm-display-part handle))) | |
1033 | (goto-char (point-max))))) | |
1034 | ||
f0d73c14 BW |
1035 | (defun mh-signature-highlight (&optional handle) |
1036 | "Highlight message signature in HANDLE. | |
1037 | The optional argument, HANDLE is a MIME handle if the function is being used | |
1038 | to highlight the signature in a MIME part." | |
1039 | (let ((regexp | |
1040 | (cond ((not handle) "^-- $") | |
1041 | ((not (and (equal (mm-handle-media-supertype handle) "text") | |
1042 | (equal (mm-handle-media-subtype handle) "html"))) | |
1043 | "^-- $") | |
1044 | ((eq (mh-mm-text-html-renderer) 'lynx) "^ --$") | |
1045 | (t "^--$")))) | |
1046 | (save-excursion | |
1047 | (goto-char (point-max)) | |
1048 | (when (re-search-backward regexp nil t) | |
1049 | (mh-do-in-gnu-emacs | |
1050 | (let ((ov (make-overlay (point) (point-max)))) | |
1051 | (overlay-put ov 'face 'mh-show-signature-face) | |
1052 | (overlay-put ov 'evaporate t))) | |
1053 | (mh-do-in-xemacs | |
1054 | (set-extent-property (make-extent (point) (point-max)) | |
1055 | 'face 'mh-show-signature-face)))))) | |
1056 | ||
924df208 BW |
1057 | (mh-do-in-xemacs |
1058 | (defvar dots) | |
1059 | (defvar type)) | |
1060 | ||
bdcfe844 BW |
1061 | (defun mh-insert-mime-button (handle index displayed) |
1062 | "Insert MIME button for HANDLE. | |
1063 | INDEX is the part number that will be DISPLAYED. It is also used by commands | |
1064 | like \"K v\" which operate on individual MIME parts." | |
1065 | ;; The button could be displayed by a previous decode. In that case | |
1066 | ;; undisplay it if we need a hidden button. | |
1067 | (when (and (mm-handle-displayed-p handle) (not displayed)) | |
1068 | (mm-display-part handle)) | |
1069 | (let ((name (or (mail-content-type-get (mm-handle-type handle) 'name) | |
1070 | (mail-content-type-get (mm-handle-disposition handle) | |
1071 | 'filename) | |
1072 | (mail-content-type-get (mm-handle-type handle) 'url) | |
1073 | "")) | |
1074 | (type (mm-handle-media-type handle)) | |
1075 | (description (mail-decode-encoded-word-string | |
1076 | (or (mm-handle-description handle) ""))) | |
1077 | (dots (if (or displayed (mm-handle-displayed-p handle)) " " "...")) | |
1078 | long-type begin end) | |
1079 | (if (string-match ".*/" name) (setq name (substring name (match-end 0)))) | |
1080 | (setq long-type (concat type (and (not (equal name "")) | |
1081 | (concat "; " name)))) | |
1082 | (unless (equal description "") | |
1083 | (setq long-type (concat " --- " long-type))) | |
1084 | (unless (bolp) (insert "\n")) | |
1085 | (setq begin (point)) | |
1086 | (gnus-eval-format | |
1087 | mh-mime-button-line-format mh-mime-button-line-format-alist | |
1088 | `(,@(gnus-local-map-property mh-mime-button-map) | |
c3d9274a BW |
1089 | mh-callback mh-mm-display-part |
1090 | mh-part ,index | |
1091 | mh-data ,handle)) | |
bdcfe844 BW |
1092 | (setq end (point)) |
1093 | (widget-convert-button | |
1094 | 'link begin end | |
1095 | :mime-handle handle | |
1096 | :action 'mh-widget-press-button | |
1097 | :button-keymap mh-mime-button-map | |
1098 | :help-echo | |
f0d73c14 BW |
1099 | "Mouse-2 click or press RET (in show buffer) to toggle display") |
1100 | (dolist (ov (mh-funcall-if-exists overlays-in begin end)) | |
1101 | (mh-funcall-if-exists overlay-put ov 'evaporate t)))) | |
bdcfe844 BW |
1102 | |
1103 | ;; There is a bug in Gnus inline image display due to which an extra line | |
1104 | ;; gets inserted every time it is viewed. To work around that problem we are | |
1105 | ;; using an extra property 'mh-region to remember the region that is added | |
1106 | ;; when the button is clicked. The region is then deleted to make sure that | |
1107 | ;; no extra lines get inserted. | |
1108 | (defun mh-mm-display-part (handle) | |
1109 | "Toggle display of button for MIME part, HANDLE." | |
1110 | (beginning-of-line) | |
1111 | (let ((id (get-text-property (point) 'mh-part)) | |
1112 | (point (point)) | |
1113 | (window (selected-window)) | |
1114 | (mail-parse-charset 'nil) | |
1115 | (mail-parse-ignored-charsets nil) | |
1116 | region buffer-read-only) | |
1117 | (save-excursion | |
1118 | (unwind-protect | |
1119 | (let ((win (get-buffer-window (current-buffer) t))) | |
1120 | (when win | |
1121 | (select-window win)) | |
1122 | (goto-char point) | |
1123 | ||
1124 | (if (mm-handle-displayed-p handle) | |
1125 | ;; This will remove the part. | |
1126 | (progn | |
1127 | ;; Delete the button and displayed part (if any) | |
1128 | (let ((region (get-text-property point 'mh-region))) | |
a66894d8 | 1129 | (when region |
924df208 BW |
1130 | (mh-funcall-if-exists |
1131 | remove-images (car region) (cdr region))) | |
bdcfe844 BW |
1132 | (mm-display-part handle) |
1133 | (when region | |
1134 | (delete-region (car region) (cdr region)))) | |
1135 | ;; Delete button (if it still remains). This happens for | |
1136 | ;; externally displayed parts where the previous step does | |
1137 | ;; nothing. | |
1138 | (unless (eolp) | |
1139 | (delete-region (point) (progn (forward-line) (point))))) | |
1140 | (save-restriction | |
1141 | (delete-region (point) (progn (forward-line 1) (point))) | |
1142 | (narrow-to-region (point) (point)) | |
1143 | ;; Maybe we need another unwind-protect here. | |
1144 | (when (equal (mm-handle-media-supertype handle) "image") | |
1145 | (insert "\n")) | |
1146 | (when (and (not (eq (ignore-errors (mm-display-part handle)) | |
1147 | 'inline)) | |
1148 | (equal (mm-handle-media-supertype handle) | |
1149 | "image")) | |
1150 | (goto-char (point-min)) | |
1151 | (delete-char 1)) | |
1152 | (when (equal (mm-handle-media-supertype handle) "text") | |
1153 | (when (eq mh-highlight-citation-p 'gnus) | |
1154 | (mh-gnus-article-highlight-citation)) | |
1155 | (mh-display-smileys) | |
f0d73c14 BW |
1156 | (mh-display-emphasis) |
1157 | (mh-signature-highlight handle)) | |
bdcfe844 BW |
1158 | (setq region (cons (progn (goto-char (point-min)) |
1159 | (point-marker)) | |
1160 | (progn (goto-char (point-max)) | |
1161 | (point-marker))))))) | |
1162 | (when (window-live-p window) | |
1163 | (select-window window)) | |
1164 | (goto-char point) | |
1165 | (beginning-of-line) | |
1166 | (mh-insert-mime-button handle id (mm-handle-displayed-p handle)) | |
1167 | (goto-char point) | |
1168 | (when region | |
1169 | (add-text-properties (line-beginning-position) (line-end-position) | |
1170 | `(mh-region ,region))))))) | |
1171 | ||
c3d9274a | 1172 | ;;;###mh-autoload |
bdcfe844 BW |
1173 | (defun mh-press-button () |
1174 | "Press MIME button. | |
1175 | If the MIME part is visible then it is removed. Otherwise the part is | |
1176 | displayed." | |
1177 | (interactive) | |
1178 | (let ((mm-inline-media-tests mh-mm-inline-media-tests) | |
1179 | (data (get-text-property (point) 'mh-data)) | |
1180 | (function (get-text-property (point) 'mh-callback)) | |
1181 | (buffer-read-only nil) | |
1182 | (folder mh-show-folder-buffer)) | |
c3d9274a BW |
1183 | (flet ((mm-handle-set-external-undisplayer |
1184 | (handle function) | |
1185 | (mh-handle-set-external-undisplayer folder handle function))) | |
bdcfe844 BW |
1186 | (when (and function (eolp)) |
1187 | (backward-char)) | |
1188 | (unwind-protect (and function (funcall function data)) | |
1189 | (set-buffer-modified-p nil))))) | |
1190 | ||
c3d9274a | 1191 | ;;;###mh-autoload |
bdcfe844 BW |
1192 | (defun mh-push-button (event) |
1193 | "Click MIME button for EVENT. | |
1194 | If the MIME part is visible then it is removed. Otherwise the part is | |
1195 | displayed. This function is called when the mouse is used to click the MIME | |
1196 | button." | |
1197 | (interactive "e") | |
a66894d8 BW |
1198 | (mh-do-at-event-location event |
1199 | (let ((folder mh-show-folder-buffer) | |
1200 | (mm-inline-media-tests mh-mm-inline-media-tests) | |
1201 | (data (get-text-property (point) 'mh-data)) | |
1202 | (function (get-text-property (point) 'mh-callback))) | |
1203 | (flet ((mm-handle-set-external-undisplayer (handle func) | |
1204 | (mh-handle-set-external-undisplayer folder handle func))) | |
1205 | (and function (funcall function data)))))) | |
bdcfe844 | 1206 | |
c3d9274a | 1207 | ;;;###mh-autoload |
bdcfe844 BW |
1208 | (defun mh-mime-save-part () |
1209 | "Save MIME part at point." | |
1210 | (interactive) | |
1211 | (let ((data (get-text-property (point) 'mh-data))) | |
1212 | (when data | |
a66894d8 BW |
1213 | (let ((mm-default-directory |
1214 | (file-name-as-directory (or mh-mime-save-parts-directory | |
1215 | default-directory)))) | |
c3d9274a BW |
1216 | (mh-mm-save-part data) |
1217 | (setq mh-mime-save-parts-directory mm-default-directory))))) | |
bdcfe844 | 1218 | |
c3d9274a | 1219 | ;;;###mh-autoload |
bdcfe844 BW |
1220 | (defun mh-mime-inline-part () |
1221 | "Toggle display of the raw MIME part." | |
1222 | (interactive) | |
1223 | (let* ((buffer-read-only nil) | |
1224 | (data (get-text-property (point) 'mh-data)) | |
1225 | (inserted-flag (get-text-property (point) 'mh-mime-inserted)) | |
1226 | (displayed-flag (mm-handle-displayed-p data)) | |
1227 | (point (point)) | |
1228 | start end) | |
1229 | (cond ((and data (not inserted-flag) (not displayed-flag)) | |
1230 | (let ((contents (mm-get-part data))) | |
1231 | (add-text-properties (line-beginning-position) (line-end-position) | |
1232 | '(mh-mime-inserted t)) | |
1233 | (setq start (point-marker)) | |
1234 | (forward-line 1) | |
1235 | (mm-insert-inline data contents) | |
1236 | (setq end (point-marker)) | |
1237 | (add-text-properties | |
1238 | start (progn (goto-char start) (line-end-position)) | |
1239 | `(mh-region (,start . ,end))))) | |
1240 | ((and data (or inserted-flag displayed-flag)) | |
1241 | (mh-press-button) | |
1242 | (message "MIME part already inserted"))) | |
1243 | (goto-char point) | |
1244 | (set-buffer-modified-p nil))) | |
1245 | ||
f0d73c14 BW |
1246 | ;;;###mh-autoload |
1247 | (defun mh-display-with-external-viewer (part-index) | |
1248 | "View MIME PART-INDEX externally." | |
1249 | (interactive "P") | |
1250 | (when (consp part-index) (setq part-index (car part-index))) | |
1251 | (mh-folder-mime-action | |
1252 | part-index | |
1253 | #'(lambda () | |
1254 | (let* ((part (get-text-property (point) 'mh-data)) | |
1255 | (type (mm-handle-media-type part)) | |
1256 | (methods (mapcar (lambda (x) (list (cdr (assoc 'viewer x)))) | |
1257 | (mailcap-mime-info type 'all))) | |
1258 | (def (caar methods)) | |
1259 | (prompt (format "Viewer: %s" (if def (format "[%s] " def) ""))) | |
1260 | (method (completing-read prompt methods nil nil nil nil def)) | |
1261 | (folder mh-show-folder-buffer) | |
1262 | (buffer-read-only nil)) | |
1263 | (when (string-match "^[^% \t]+$" method) | |
1264 | (setq method (concat method " %s"))) | |
1265 | (flet ((mm-handle-set-external-undisplayer (handle function) | |
1266 | (mh-handle-set-external-undisplayer folder handle function))) | |
1267 | (unwind-protect (mm-display-external part method) | |
1268 | (set-buffer-modified-p nil))))) | |
1269 | nil)) | |
1270 | ||
bdcfe844 BW |
1271 | (defun mh-widget-press-button (widget el) |
1272 | "Callback for widget, WIDGET. | |
1273 | Parameter EL is unused." | |
1274 | (goto-char (widget-get widget :from)) | |
1275 | (mh-press-button)) | |
1276 | ||
1277 | (defun mh-mime-display-security (handle) | |
1278 | "Display PGP encrypted/signed message, HANDLE." | |
bdcfe844 BW |
1279 | (save-restriction |
1280 | (narrow-to-region (point) (point)) | |
f0d73c14 | 1281 | (insert "\n") |
bdcfe844 BW |
1282 | (mh-insert-mime-security-button handle) |
1283 | (mh-mime-display-mixed (cdr handle)) | |
1284 | (insert "\n") | |
1285 | (let ((mh-mime-security-button-line-format | |
c3d9274a | 1286 | mh-mime-security-button-end-line-format)) |
bdcfe844 BW |
1287 | (mh-insert-mime-security-button handle)) |
1288 | (mm-set-handle-multipart-parameter | |
f0d73c14 | 1289 | handle 'mh-region (cons (point-min-marker) (point-max-marker))))) |
bdcfe844 BW |
1290 | |
1291 | ;;; I rewrote the security part because Gnus doesn't seem to ever minimize | |
1292 | ;;; the button. That is once the mime-security button is pressed there seems | |
1293 | ;;; to be no way of getting rid of the inserted text. | |
1294 | (defun mh-mime-security-show-details (handle) | |
1295 | "Toggle display of detailed security info for HANDLE." | |
1296 | (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details))) | |
1297 | (when details | |
1298 | (let ((mh-mime-security-button-pressed | |
c3d9274a | 1299 | (not (get-text-property (point) 'mh-button-pressed))) |
bdcfe844 | 1300 | (mh-mime-security-button-line-format |
c3d9274a | 1301 | (get-text-property (point) 'mh-line-format))) |
bdcfe844 BW |
1302 | (forward-char -1) |
1303 | (while (eq (get-text-property (point) 'mh-line-format) | |
1304 | mh-mime-security-button-line-format) | |
1305 | (forward-char -1)) | |
1306 | (forward-char) | |
1307 | (save-restriction | |
1308 | (narrow-to-region (point) (point)) | |
1309 | (mh-insert-mime-security-button handle)) | |
1310 | (delete-region | |
1311 | (point) | |
1312 | (or (text-property-not-all | |
1313 | (point) (point-max) | |
1314 | 'mh-line-format mh-mime-security-button-line-format) | |
1315 | (point-max))) | |
1316 | (forward-line -1))))) | |
1317 | ||
1318 | (defun mh-mime-security-press-button (handle) | |
1319 | "Callback from security button for part HANDLE." | |
f0d73c14 BW |
1320 | (if (mm-handle-multipart-ctl-parameter handle 'gnus-info) |
1321 | (mh-mime-security-show-details handle) | |
1322 | (let ((region (mm-handle-multipart-ctl-parameter handle 'mh-region)) | |
1323 | point) | |
1324 | (setq point (point)) | |
1325 | (goto-char (car region)) | |
1326 | (delete-region (car region) (cdr region)) | |
1327 | (with-current-buffer (mm-handle-multipart-ctl-parameter handle 'buffer) | |
1328 | (let* ((mm-verify-option 'known) | |
1329 | (mm-decrypt-option 'known) | |
1330 | (new (mm-possibly-verify-or-decrypt (cdr handle) handle))) | |
1331 | (unless (eq new (cdr handle)) | |
1332 | (mm-destroy-parts (cdr handle)) | |
1333 | (setcdr handle new)))) | |
1334 | (mh-mime-display-security handle) | |
1335 | (goto-char point)))) | |
bdcfe844 BW |
1336 | |
1337 | ;; These variables should already be initialized in mm-decode.el if we have a | |
1338 | ;; recent enough Gnus. The defvars are here to avoid compiler warnings. | |
1339 | (defvar mm-verify-function-alist nil) | |
1340 | (defvar mm-decrypt-function-alist nil) | |
1341 | ||
1342 | (defvar pressed-details) | |
1343 | ||
1344 | (defun mh-insert-mime-security-button (handle) | |
1345 | "Display buttons for PGP message, HANDLE." | |
1346 | (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol)) | |
1347 | (crypto-type (or (nth 2 (assoc protocol mm-verify-function-alist)) | |
1348 | (nth 2 (assoc protocol mm-decrypt-function-alist)) | |
1349 | "Unknown")) | |
1350 | (type (concat crypto-type | |
1351 | (if (equal (car handle) "multipart/signed") | |
1352 | " Signed" " Encrypted") | |
1353 | " Part")) | |
1354 | (info (or (mm-handle-multipart-ctl-parameter handle 'gnus-info) | |
1355 | "Undecided")) | |
1356 | (details (mm-handle-multipart-ctl-parameter handle 'gnus-details)) | |
1357 | pressed-details begin end) | |
1358 | (setq details (if details (concat "\n" details) "")) | |
1359 | (setq pressed-details (if mh-mime-security-button-pressed details "")) | |
1360 | (unless (bolp) (insert "\n")) | |
1361 | (setq begin (point)) | |
1362 | (gnus-eval-format | |
1363 | mh-mime-security-button-line-format | |
1364 | mh-mime-security-button-line-format-alist | |
1365 | `(,@(gnus-local-map-property mh-mime-security-button-map) | |
c3d9274a BW |
1366 | mh-button-pressed ,mh-mime-security-button-pressed |
1367 | mh-callback mh-mime-security-press-button | |
1368 | mh-line-format ,mh-mime-security-button-line-format | |
1369 | mh-data ,handle)) | |
bdcfe844 BW |
1370 | (setq end (point)) |
1371 | (widget-convert-button 'link begin end | |
1372 | :mime-handle handle | |
1373 | :action 'mh-widget-press-button | |
1374 | :button-keymap mh-mime-security-button-map | |
1375 | :help-echo "Mouse-2 click or press RET (in show buffer) to see security details.") | |
f0d73c14 BW |
1376 | (dolist (ov (mh-funcall-if-exists overlays-in begin end)) |
1377 | (mh-funcall-if-exists overlay-put ov 'evaporate t)) | |
bdcfe844 BW |
1378 | (when (equal info "Failed") |
1379 | (let* ((type (if (equal (car handle) "multipart/signed") | |
1380 | "verification" "decryption")) | |
1381 | (warning (if (equal type "decryption") | |
1382 | "(passphrase may be incorrect)" ""))) | |
1383 | (message "%s %s failed %s" crypto-type type warning))))) | |
1384 | ||
1385 | (defun mh-mm-inline-message (handle) | |
1386 | "Display message, HANDLE. | |
1387 | The function decodes the message and displays it. It avoids decoding the same | |
1388 | message multiple times." | |
1389 | (let ((b (point)) | |
bdcfe844 | 1390 | (clean-message-header mh-clean-message-header-flag) |
f0d73c14 BW |
1391 | (invisible-headers mh-invisible-header-fields-compiled) |
1392 | (visible-headers nil)) | |
bdcfe844 BW |
1393 | (save-excursion |
1394 | (save-restriction | |
1395 | (narrow-to-region b b) | |
1396 | (mm-insert-part handle) | |
1397 | (mh-mime-display | |
1398 | (or (gethash handle (mh-mime-handles-cache (mh-buffer-data))) | |
1399 | (setf (gethash handle (mh-mime-handles-cache (mh-buffer-data))) | |
1400 | (let ((handles (or (mm-dissect-buffer nil) | |
1401 | (mm-uu-dissect)))) | |
1402 | (setf (mh-mime-handles (mh-buffer-data)) | |
1403 | (mm-merge-handles | |
1404 | handles (mh-mime-handles (mh-buffer-data)))) | |
1405 | handles)))) | |
1406 | ||
1407 | (goto-char (point-min)) | |
924df208 | 1408 | (mh-show-xface) |
bdcfe844 BW |
1409 | (cond (clean-message-header |
1410 | (mh-clean-msg-header (point-min) | |
1411 | invisible-headers | |
1412 | visible-headers) | |
1413 | (goto-char (point-min))) | |
1414 | (t | |
1415 | (mh-start-of-uncleaned-message))) | |
924df208 | 1416 | (mh-decode-message-header) |
bdcfe844 BW |
1417 | (mh-show-addr) |
1418 | ;; The other highlighting types don't need anything special | |
1419 | (when (eq mh-highlight-citation-p 'gnus) | |
1420 | (mh-gnus-article-highlight-citation)) | |
1421 | (goto-char (point-min)) | |
1422 | (insert "\n------- Forwarded Message\n\n") | |
1423 | (mh-display-smileys) | |
1424 | (mh-display-emphasis) | |
1425 | (mm-handle-set-undisplayer | |
1426 | handle | |
1427 | `(lambda () | |
1428 | (let (buffer-read-only) | |
1429 | (if (fboundp 'remove-specifier) | |
1430 | ;; This is only valid on XEmacs. | |
1431 | (mapcar (lambda (prop) | |
1432 | (remove-specifier | |
1433 | (face-property 'default prop) (current-buffer))) | |
1434 | '(background background-pixmap foreground))) | |
1435 | (delete-region ,(point-min-marker) ,(point-max-marker))))))))) | |
1436 | ||
1437 | (provide 'mh-mime) | |
1438 | ||
1439 | ;;; Local Variables: | |
c3d9274a | 1440 | ;;; indent-tabs-mode: nil |
bdcfe844 BW |
1441 | ;;; sentence-end-double-space: nil |
1442 | ;;; End: | |
1443 | ||
ab5796a9 | 1444 | ;;; arch-tag: 0dd36518-1b64-4a84-8f4e-59f422d3f002 |
60370d40 | 1445 | ;;; mh-mime.el ends here |