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23f87bed | 1 | ;;; mml.el --- A package for parsing and validating MML documents |
e84b4b86 TTN |
2 | |
3 | ;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, | |
d7a0267c | 4 | ;; 2005, 2006, 2007 Free Software Foundation, Inc. |
c113de23 GM |
5 | |
6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> | |
7 | ;; This file is part of GNU Emacs. | |
8 | ||
9 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published by | |
5a9dffec | 11 | ;; the Free Software Foundation; either version 3, or (at your option) |
c113de23 GM |
12 | ;; any later version. |
13 | ||
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
20 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
3a35cf56 LK |
21 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
22 | ;; Boston, MA 02110-1301, USA. | |
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23 | |
24 | ;;; Commentary: | |
25 | ||
26 | ;;; Code: | |
27 | ||
28 | (require 'mm-util) | |
29 | (require 'mm-bodies) | |
30 | (require 'mm-encode) | |
31 | (require 'mm-decode) | |
23f87bed | 32 | (require 'mml-sec) |
160ff4e5 | 33 | (eval-when-compile (require 'cl)) |
c113de23 GM |
34 | |
35 | (eval-and-compile | |
36 | (autoload 'message-make-message-id "message") | |
37 | (autoload 'gnus-setup-posting-charset "gnus-msg") | |
23f87bed | 38 | (autoload 'gnus-make-local-hook "gnus-util") |
c113de23 | 39 | (autoload 'message-fetch-field "message") |
01c52d31 | 40 | (autoload 'message-mark-active-p "message") |
7347faa8 | 41 | (autoload 'message-info "message") |
23f87bed | 42 | (autoload 'fill-flowed-encode "flow-fill") |
0565caeb MB |
43 | (autoload 'message-posting-charset "message") |
44 | (autoload 'dnd-get-local-file-name "dnd")) | |
c113de23 | 45 | |
12710ba4 JB |
46 | (defvar gnus-article-mime-handles) |
47 | (defvar gnus-mouse-2) | |
48 | (defvar gnus-newsrc-hashtb) | |
49 | (defvar message-default-charset) | |
50 | (defvar message-deletable-headers) | |
51 | (defvar message-options) | |
52 | (defvar message-posting-charset) | |
53 | (defvar message-required-mail-headers) | |
54 | (defvar message-required-news-headers) | |
0565caeb | 55 | (defvar dnd-protocol-alist) |
12710ba4 | 56 | |
23f87bed MB |
57 | (defcustom mml-content-type-parameters |
58 | '(name access-type expiration size permission format) | |
59 | "*A list of acceptable parameters in MML tag. | |
60 | These parameters are generated in Content-Type header if exists." | |
bf247b6e | 61 | :version "22.1" |
23f87bed MB |
62 | :type '(repeat (symbol :tag "Parameter")) |
63 | :group 'message) | |
64 | ||
65 | (defcustom mml-content-disposition-parameters | |
66 | '(filename creation-date modification-date read-date) | |
67 | "*A list of acceptable parameters in MML tag. | |
68 | These parameters are generated in Content-Disposition header if exists." | |
bf247b6e | 69 | :version "22.1" |
23f87bed MB |
70 | :type '(repeat (symbol :tag "Parameter")) |
71 | :group 'message) | |
72 | ||
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73 | (defcustom mml-content-disposition-alist |
74 | '((text (rtf . "attachment") (t . "inline")) | |
75 | (t . "attachment")) | |
76 | "Alist of MIME types or regexps matching file names and default dispositions. | |
77 | Each element should be one of the following three forms: | |
78 | ||
79 | (REGEXP . DISPOSITION) | |
80 | (SUPERTYPE (SUBTYPE . DISPOSITION) (SUBTYPE . DISPOSITION)...) | |
81 | (TYPE . DISPOSITION) | |
82 | ||
83 | Where REGEXP is a string which matches the file name (if any) of an | |
84 | attachment, SUPERTYPE, SUBTYPE and TYPE should be symbols which are a | |
85 | MIME supertype (e.g., text), a MIME subtype (e.g., plain) and a MIME | |
86 | type (e.g., text/plain) respectively, and DISPOSITION should be either | |
87 | the string \"attachment\" or the string \"inline\". The value t for | |
88 | SUPERTYPE, SUBTYPE or TYPE matches any of those types. The first | |
89 | match found will be used." | |
90 | :version "23.0" ;; No Gnus | |
91 | :type (let ((dispositions '(radio :format "DISPOSITION: %v" | |
92 | :value "attachment" | |
93 | (const :format "%v " "attachment") | |
94 | (const :format "%v\n" "inline")))) | |
95 | `(repeat | |
96 | :offset 0 | |
97 | (choice :format "%[Value Menu%]%v" | |
98 | (cons :tag "(REGEXP . DISPOSITION)" :extra-offset 4 | |
99 | (regexp :tag "REGEXP" :value ".*") | |
100 | ,dispositions) | |
101 | (cons :tag "(SUPERTYPE (SUBTYPE . DISPOSITION)...)" | |
102 | :indent 0 | |
103 | (symbol :tag " SUPERTYPE" :value text) | |
104 | (repeat :format "%v%i\n" :offset 0 :extra-offset 4 | |
105 | (cons :format "%v" :extra-offset 5 | |
106 | (symbol :tag "SUBTYPE" :value t) | |
107 | ,dispositions))) | |
108 | (cons :tag "(TYPE . DISPOSITION)" :extra-offset 4 | |
109 | (symbol :tag "TYPE" :value t) | |
110 | ,dispositions)))) | |
111 | :group 'message) | |
112 | ||
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113 | (defcustom mml-insert-mime-headers-always nil |
114 | "If non-nil, always put Content-Type: text/plain at top of empty parts. | |
115 | It is necessary to work against a bug in certain clients." | |
bf247b6e | 116 | :version "22.1" |
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117 | :type 'boolean |
118 | :group 'message) | |
119 | ||
120 | (defvar mml-tweak-type-alist nil | |
121 | "A list of (TYPE . FUNCTION) for tweaking MML parts. | |
122 | TYPE is a string containing a regexp to match the MIME type. FUNCTION | |
123 | is a Lisp function which is called with the MML handle to tweak the | |
124 | part. This variable is used only when no TWEAK parameter exists in | |
125 | the MML handle.") | |
126 | ||
127 | (defvar mml-tweak-function-alist nil | |
128 | "A list of (NAME . FUNCTION) for tweaking MML parts. | |
129 | NAME is a string containing the name of the TWEAK parameter in the MML | |
130 | handle. FUNCTION is a Lisp function which is called with the MML | |
131 | handle to tweak the part.") | |
132 | ||
133 | (defvar mml-tweak-sexp-alist | |
134 | '((mml-externalize-attachments . mml-tweak-externalize-attachments)) | |
135 | "A list of (SEXP . FUNCTION) for tweaking MML parts. | |
136 | SEXP is an s-expression. If the evaluation of SEXP is non-nil, FUNCTION | |
137 | is called. FUNCTION is a Lisp function which is called with the MML | |
138 | handle to tweak the part.") | |
139 | ||
140 | (defvar mml-externalize-attachments nil | |
141 | "*If non-nil, local-file attachments are generated as external parts.") | |
142 | ||
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143 | (defvar mml-generate-multipart-alist nil |
144 | "*Alist of multipart generation functions. | |
145 | Each entry has the form (NAME . FUNCTION), where | |
a1506d29 | 146 | NAME is a string containing the name of the part (without the |
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147 | leading \"/multipart/\"), |
148 | FUNCTION is a Lisp function which is called to generate the part. | |
149 | ||
150 | The Lisp function has to supply the appropriate MIME headers and the | |
151 | contents of this part.") | |
152 | ||
153 | (defvar mml-syntax-table | |
154 | (let ((table (copy-syntax-table emacs-lisp-mode-syntax-table))) | |
155 | (modify-syntax-entry ?\\ "/" table) | |
156 | (modify-syntax-entry ?< "(" table) | |
157 | (modify-syntax-entry ?> ")" table) | |
158 | (modify-syntax-entry ?@ "w" table) | |
159 | (modify-syntax-entry ?/ "w" table) | |
160 | (modify-syntax-entry ?= " " table) | |
161 | (modify-syntax-entry ?* " " table) | |
162 | (modify-syntax-entry ?\; " " table) | |
163 | (modify-syntax-entry ?\' " " table) | |
164 | table)) | |
165 | ||
166 | (defvar mml-boundary-function 'mml-make-boundary | |
167 | "A function called to suggest a boundary. | |
168 | The function may be called several times, and should try to make a new | |
169 | suggestion each time. The function is called with one parameter, | |
170 | which is a number that says how many times the function has been | |
171 | called for this message.") | |
172 | ||
173 | (defvar mml-confirmation-set nil | |
174 | "A list of symbols, each of which disables some warning. | |
175 | `unknown-encoding': always send messages contain characters with | |
176 | unknown encoding; `use-ascii': always use ASCII for those characters | |
177 | with unknown encoding; `multipart': always send messages with more than | |
178 | one charsets.") | |
179 | ||
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180 | (defvar mml-generate-default-type "text/plain" |
181 | "Content type by which the Content-Type header can be omitted. | |
182 | The Content-Type header will not be put in the MIME part if the type | |
183 | equals the value and there's no parameter (e.g. charset, format, etc.) | |
184 | and `mml-insert-mime-headers-always' is nil. The value will be bound | |
185 | to \"message/rfc822\" when encoding an article to be forwarded as a MIME | |
186 | part. This is for the internal use, you should never modify the value.") | |
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187 | |
188 | (defvar mml-buffer-list nil) | |
189 | ||
a1506d29 | 190 | (defun mml-generate-new-buffer (name) |
c113de23 GM |
191 | (let ((buf (generate-new-buffer name))) |
192 | (push buf mml-buffer-list) | |
193 | buf)) | |
194 | ||
195 | (defun mml-destroy-buffers () | |
196 | (let (kill-buffer-hook) | |
01c52d31 | 197 | (mapc 'kill-buffer mml-buffer-list) |
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198 | (setq mml-buffer-list nil))) |
199 | ||
200 | (defun mml-parse () | |
201 | "Parse the current buffer as an MML document." | |
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202 | (save-excursion |
203 | (goto-char (point-min)) | |
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204 | (with-syntax-table mml-syntax-table |
205 | (mml-parse-1)))) | |
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206 | |
207 | (defun mml-parse-1 () | |
208 | "Parse the current buffer as an MML document." | |
209 | (let (struct tag point contents charsets warn use-ascii no-markup-p raw) | |
210 | (while (and (not (eobp)) | |
211 | (not (looking-at "<#/multipart"))) | |
212 | (cond | |
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213 | ((looking-at "<#secure") |
214 | ;; The secure part is essentially a meta-meta tag, which | |
215 | ;; expands to either a part tag if there are no other parts in | |
216 | ;; the document or a multipart tag if there are other parts | |
217 | ;; included in the message | |
218 | (let* (secure-mode | |
219 | (taginfo (mml-read-tag)) | |
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220 | (keyfile (cdr (assq 'keyfile taginfo))) |
221 | (certfile (cdr (assq 'certfile taginfo))) | |
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222 | (recipients (cdr (assq 'recipients taginfo))) |
223 | (sender (cdr (assq 'sender taginfo))) | |
224 | (location (cdr (assq 'tag-location taginfo))) | |
225 | (mode (cdr (assq 'mode taginfo))) | |
226 | (method (cdr (assq 'method taginfo))) | |
227 | tags) | |
228 | (save-excursion | |
01c52d31 MB |
229 | (if (re-search-forward |
230 | "<#/?\\(multipart\\|part\\|external\\|mml\\)." nil t) | |
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231 | (setq secure-mode "multipart") |
232 | (setq secure-mode "part"))) | |
233 | (save-excursion | |
234 | (goto-char location) | |
235 | (re-search-forward "<#secure[^\n]*>\n")) | |
236 | (delete-region (match-beginning 0) (match-end 0)) | |
237 | (cond ((string= mode "sign") | |
238 | (setq tags (list "sign" method))) | |
239 | ((string= mode "encrypt") | |
240 | (setq tags (list "encrypt" method))) | |
241 | ((string= mode "signencrypt") | |
242 | (setq tags (list "sign" method "encrypt" method)))) | |
243 | (eval `(mml-insert-tag ,secure-mode | |
244 | ,@tags | |
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245 | ,(if keyfile "keyfile") |
246 | ,keyfile | |
247 | ,(if certfile "certfile") | |
248 | ,certfile | |
23f87bed MB |
249 | ,(if recipients "recipients") |
250 | ,recipients | |
251 | ,(if sender "sender") | |
252 | ,sender)) | |
253 | ;; restart the parse | |
254 | (goto-char location))) | |
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255 | ((looking-at "<#multipart") |
256 | (push (nconc (mml-read-tag) (mml-parse-1)) struct)) | |
257 | ((looking-at "<#external") | |
258 | (push (nconc (mml-read-tag) (list (cons 'contents (mml-read-part)))) | |
259 | struct)) | |
260 | (t | |
261 | (if (or (looking-at "<#part") (looking-at "<#mml")) | |
262 | (setq tag (mml-read-tag) | |
263 | no-markup-p nil | |
264 | warn nil) | |
265 | (setq tag (list 'part '(type . "text/plain")) | |
266 | no-markup-p t | |
267 | warn t)) | |
268 | (setq raw (cdr (assq 'raw tag)) | |
269 | point (point) | |
ce9401f3 | 270 | contents (mml-read-part (eq 'mml (car tag))) |
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271 | charsets (cond |
272 | (raw nil) | |
273 | ((assq 'charset tag) | |
274 | (list | |
275 | (intern (downcase (cdr (assq 'charset tag)))))) | |
276 | (t | |
277 | (mm-find-mime-charset-region point (point) | |
278 | mm-hack-charsets)))) | |
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279 | (when (and (not raw) (memq nil charsets)) |
280 | (if (or (memq 'unknown-encoding mml-confirmation-set) | |
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281 | (message-options-get 'unknown-encoding) |
282 | (and (y-or-n-p "\ | |
283 | Message contains characters with unknown encoding. Really send? ") | |
284 | (message-options-set 'unknown-encoding t))) | |
a1506d29 | 285 | (if (setq use-ascii |
c113de23 | 286 | (or (memq 'use-ascii mml-confirmation-set) |
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287 | (message-options-get 'use-ascii) |
288 | (and (y-or-n-p "Use ASCII as charset? ") | |
289 | (message-options-set 'use-ascii t)))) | |
c113de23 GM |
290 | (setq charsets (delq nil charsets)) |
291 | (setq warn nil)) | |
292 | (error "Edit your message to remove those characters"))) | |
293 | (if (or raw | |
294 | (eq 'mml (car tag)) | |
295 | (< (length charsets) 2)) | |
296 | (if (or (not no-markup-p) | |
297 | (string-match "[^ \t\r\n]" contents)) | |
298 | ;; Don't create blank parts. | |
299 | (push (nconc tag (list (cons 'contents contents))) | |
300 | struct)) | |
301 | (let ((nstruct (mml-parse-singlepart-with-multiple-charsets | |
302 | tag point (point) use-ascii))) | |
303 | (when (and warn | |
304 | (not (memq 'multipart mml-confirmation-set)) | |
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305 | (not (message-options-get 'multipart)) |
306 | (not (and (y-or-n-p (format "\ | |
2453b2e8 | 307 | A message part needs to be split into %d charset parts. Really send? " |
23f87bed MB |
308 | (length nstruct))) |
309 | (message-options-set 'multipart t)))) | |
c113de23 GM |
310 | (error "Edit your message to use only one charset")) |
311 | (setq struct (nconc nstruct struct))))))) | |
312 | (unless (eobp) | |
313 | (forward-line 1)) | |
314 | (nreverse struct))) | |
315 | ||
a1506d29 | 316 | (defun mml-parse-singlepart-with-multiple-charsets |
c113de23 GM |
317 | (orig-tag beg end &optional use-ascii) |
318 | (save-excursion | |
319 | (save-restriction | |
320 | (narrow-to-region beg end) | |
321 | (goto-char (point-min)) | |
322 | (let ((current (or (mm-mime-charset (mm-charset-after)) | |
323 | (and use-ascii 'us-ascii))) | |
324 | charset struct space newline paragraph) | |
325 | (while (not (eobp)) | |
326 | (setq charset (mm-mime-charset (mm-charset-after))) | |
327 | (cond | |
328 | ;; The charset remains the same. | |
329 | ((eq charset 'us-ascii)) | |
330 | ((or (and use-ascii (not charset)) | |
331 | (eq charset current)) | |
332 | (setq space nil | |
333 | newline nil | |
334 | paragraph nil)) | |
335 | ;; The initial charset was ascii. | |
336 | ((eq current 'us-ascii) | |
337 | (setq current charset | |
338 | space nil | |
339 | newline nil | |
340 | paragraph nil)) | |
341 | ;; We have a change in charsets. | |
342 | (t | |
343 | (push (append | |
344 | orig-tag | |
345 | (list (cons 'contents | |
346 | (buffer-substring-no-properties | |
347 | beg (or paragraph newline space (point)))))) | |
348 | struct) | |
349 | (setq beg (or paragraph newline space (point)) | |
350 | current charset | |
351 | space nil | |
352 | newline nil | |
353 | paragraph nil))) | |
354 | ;; Compute places where it might be nice to break the part. | |
355 | (cond | |
356 | ((memq (following-char) '(? ?\t)) | |
357 | (setq space (1+ (point)))) | |
358 | ((and (eq (following-char) ?\n) | |
359 | (not (bobp)) | |
360 | (eq (char-after (1- (point))) ?\n)) | |
361 | (setq paragraph (point))) | |
362 | ((eq (following-char) ?\n) | |
363 | (setq newline (1+ (point))))) | |
364 | (forward-char 1)) | |
365 | ;; Do the final part. | |
366 | (unless (= beg (point)) | |
367 | (push (append orig-tag | |
368 | (list (cons 'contents | |
369 | (buffer-substring-no-properties | |
370 | beg (point))))) | |
371 | struct)) | |
372 | struct)))) | |
373 | ||
374 | (defun mml-read-tag () | |
375 | "Read a tag and return the contents." | |
23f87bed MB |
376 | (let ((orig-point (point)) |
377 | contents name elem val) | |
c113de23 GM |
378 | (forward-char 2) |
379 | (setq name (buffer-substring-no-properties | |
380 | (point) (progn (forward-sexp 1) (point)))) | |
381 | (skip-chars-forward " \t\n") | |
23f87bed | 382 | (while (not (looking-at ">[ \t]*\n?")) |
c113de23 GM |
383 | (setq elem (buffer-substring-no-properties |
384 | (point) (progn (forward-sexp 1) (point)))) | |
385 | (skip-chars-forward "= \t\n") | |
386 | (setq val (buffer-substring-no-properties | |
387 | (point) (progn (forward-sexp 1) (point)))) | |
388 | (when (string-match "^\"\\(.*\\)\"$" val) | |
389 | (setq val (match-string 1 val))) | |
390 | (push (cons (intern elem) val) contents) | |
391 | (skip-chars-forward " \t\n")) | |
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392 | (goto-char (match-end 0)) |
393 | ;; Don't skip the leading space. | |
394 | ;;(skip-chars-forward " \t\n") | |
395 | ;; Put the tag location into the returned contents | |
396 | (setq contents (append (list (cons 'tag-location orig-point)) contents)) | |
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397 | (cons (intern name) (nreverse contents)))) |
398 | ||
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399 | (defun mml-buffer-substring-no-properties-except-hard-newlines (start end) |
400 | (let ((str (buffer-substring-no-properties start end)) | |
401 | (bufstart start) tmp) | |
402 | (while (setq tmp (text-property-any start end 'hard 't)) | |
403 | (set-text-properties (- tmp bufstart) (- tmp bufstart -1) | |
404 | '(hard t) str) | |
405 | (setq start (1+ tmp))) | |
406 | str)) | |
407 | ||
c113de23 GM |
408 | (defun mml-read-part (&optional mml) |
409 | "Return the buffer up till the next part, multipart or closing part or multipart. | |
410 | If MML is non-nil, return the buffer up till the correspondent mml tag." | |
411 | (let ((beg (point)) (count 1)) | |
23f87bed | 412 | ;; If the tag ended at the end of the line, we go to the next line. |
c113de23 GM |
413 | (when (looking-at "[ \t]*\n") |
414 | (forward-line 1)) | |
415 | (if mml | |
416 | (progn | |
417 | (while (and (> count 0) (not (eobp))) | |
418 | (if (re-search-forward "<#\\(/\\)?mml." nil t) | |
419 | (setq count (+ count (if (match-beginning 1) -1 1))) | |
420 | (goto-char (point-max)))) | |
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421 | (mml-buffer-substring-no-properties-except-hard-newlines |
422 | beg (if (> count 0) | |
423 | (point) | |
424 | (match-beginning 0)))) | |
c113de23 GM |
425 | (if (re-search-forward |
426 | "<#\\(/\\)?\\(multipart\\|part\\|external\\|mml\\)." nil t) | |
427 | (prog1 | |
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428 | (mml-buffer-substring-no-properties-except-hard-newlines |
429 | beg (match-beginning 0)) | |
c113de23 GM |
430 | (if (or (not (match-beginning 1)) |
431 | (equal (match-string 2) "multipart")) | |
432 | (goto-char (match-beginning 0)) | |
433 | (when (looking-at "[ \t]*\n") | |
434 | (forward-line 1)))) | |
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435 | (mml-buffer-substring-no-properties-except-hard-newlines |
436 | beg (goto-char (point-max))))))) | |
c113de23 GM |
437 | |
438 | (defvar mml-boundary nil) | |
439 | (defvar mml-base-boundary "-=-=") | |
440 | (defvar mml-multipart-number 0) | |
441 | ||
442 | (defun mml-generate-mime () | |
443 | "Generate a MIME message based on the current MML document." | |
444 | (let ((cont (mml-parse)) | |
445 | (mml-multipart-number mml-multipart-number)) | |
446 | (if (not cont) | |
447 | nil | |
7f22a765 | 448 | (mm-with-multibyte-buffer |
c113de23 GM |
449 | (if (and (consp (car cont)) |
450 | (= (length cont) 1)) | |
451 | (mml-generate-mime-1 (car cont)) | |
452 | (mml-generate-mime-1 (nconc (list 'multipart '(type . "mixed")) | |
453 | cont))) | |
454 | (buffer-string))))) | |
455 | ||
456 | (defun mml-generate-mime-1 (cont) | |
23f87bed MB |
457 | (let ((mm-use-ultra-safe-encoding |
458 | (or mm-use-ultra-safe-encoding (assq 'sign cont)))) | |
459 | (save-restriction | |
460 | (narrow-to-region (point) (point)) | |
461 | (mml-tweak-part cont) | |
462 | (cond | |
463 | ((or (eq (car cont) 'part) (eq (car cont) 'mml)) | |
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464 | (let* ((raw (cdr (assq 'raw cont))) |
465 | (filename (cdr (assq 'filename cont))) | |
466 | (type (or (cdr (assq 'type cont)) | |
afea040a MB |
467 | (if filename |
468 | (or (mm-default-file-encoding filename) | |
469 | "application/octet-stream") | |
470 | "text/plain"))) | |
01c52d31 MB |
471 | (charset (cdr (assq 'charset cont))) |
472 | (coding (mm-charset-to-coding-system charset)) | |
473 | encoding flowed coded) | |
474 | (cond ((eq coding 'ascii) | |
475 | (setq charset nil | |
476 | coding nil)) | |
477 | (charset | |
478 | (setq charset (intern (downcase charset))))) | |
23f87bed MB |
479 | (if (and (not raw) |
480 | (member (car (split-string type "/")) '("text" "message"))) | |
481 | (progn | |
482 | (with-temp-buffer | |
23f87bed MB |
483 | (cond |
484 | ((cdr (assq 'buffer cont)) | |
485 | (insert-buffer-substring (cdr (assq 'buffer cont)))) | |
4b91459a | 486 | ((and filename |
23f87bed | 487 | (not (equal (cdr (assq 'nofile cont)) "yes"))) |
01c52d31 | 488 | (let ((coding-system-for-read coding)) |
23f87bed MB |
489 | (mm-insert-file-contents filename))) |
490 | ((eq 'mml (car cont)) | |
491 | (insert (cdr (assq 'contents cont)))) | |
492 | (t | |
493 | (save-restriction | |
494 | (narrow-to-region (point) (point)) | |
495 | (insert (cdr (assq 'contents cont))) | |
496 | ;; Remove quotes from quoted tags. | |
497 | (goto-char (point-min)) | |
498 | (while (re-search-forward | |
499 | "<#!+/?\\(part\\|multipart\\|external\\|mml\\)" | |
500 | nil t) | |
501 | (delete-region (+ (match-beginning 0) 2) | |
502 | (+ (match-beginning 0) 3)))))) | |
503 | (cond | |
504 | ((eq (car cont) 'mml) | |
505 | (let ((mml-boundary (mml-compute-boundary cont)) | |
4b91459a MB |
506 | ;; It is necessary for the case where this |
507 | ;; function is called recursively since | |
508 | ;; `m-g-d-t' will be bound to "message/rfc822" | |
509 | ;; when encoding an article to be forwarded. | |
23f87bed MB |
510 | (mml-generate-default-type "text/plain")) |
511 | (mml-to-mime)) | |
512 | (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b"))) | |
513 | ;; ignore 0x1b, it is part of iso-2022-jp | |
514 | (setq encoding (mm-body-7-or-8)))) | |
515 | ((string= (car (split-string type "/")) "message") | |
516 | (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b"))) | |
517 | ;; ignore 0x1b, it is part of iso-2022-jp | |
518 | (setq encoding (mm-body-7-or-8)))) | |
519 | (t | |
520 | ;; Only perform format=flowed filling on text/plain | |
521 | ;; parts where there either isn't a format parameter | |
522 | ;; in the mml tag or it says "flowed" and there | |
523 | ;; actually are hard newlines in the text. | |
524 | (let (use-hard-newlines) | |
525 | (when (and (string= type "text/plain") | |
f4dd4ae8 | 526 | (not (string= (cdr (assq 'sign cont)) "pgp")) |
23f87bed MB |
527 | (or (null (assq 'format cont)) |
528 | (string= (cdr (assq 'format cont)) | |
529 | "flowed")) | |
530 | (setq use-hard-newlines | |
531 | (text-property-any | |
532 | (point-min) (point-max) 'hard 't))) | |
533 | (fill-flowed-encode) | |
534 | ;; Indicate that `mml-insert-mime-headers' should | |
535 | ;; insert a "; format=flowed" string unless the | |
536 | ;; user has already specified it. | |
537 | (setq flowed (null (assq 'format cont))))) | |
01c52d31 MB |
538 | ;; Prefer `utf-8' for text/calendar parts. |
539 | (if (or charset | |
540 | (not (string= type "text/calendar"))) | |
541 | (setq charset (mm-encode-body charset)) | |
542 | (let ((mm-coding-system-priorities | |
543 | (cons 'utf-8 mm-coding-system-priorities))) | |
544 | (setq charset (mm-encode-body)))) | |
23f87bed MB |
545 | (setq encoding (mm-body-encoding |
546 | charset (cdr (assq 'encoding cont)))))) | |
547 | (setq coded (buffer-string))) | |
548 | (mml-insert-mime-headers cont type charset encoding flowed) | |
549 | (insert "\n") | |
550 | (insert coded)) | |
551 | (mm-with-unibyte-buffer | |
552 | (cond | |
553 | ((cdr (assq 'buffer cont)) | |
4573e0df MB |
554 | (insert (mm-string-as-unibyte |
555 | (with-current-buffer (cdr (assq 'buffer cont)) | |
556 | (buffer-string))))) | |
4b91459a | 557 | ((and filename |
23f87bed MB |
558 | (not (equal (cdr (assq 'nofile cont)) "yes"))) |
559 | (let ((coding-system-for-read mm-binary-coding-system)) | |
01c52d31 MB |
560 | (mm-insert-file-contents filename nil nil nil nil t)) |
561 | (unless charset | |
562 | (setq charset (mm-coding-system-to-mime-charset | |
563 | (mm-find-buffer-file-coding-system | |
564 | filename))))) | |
23f87bed | 565 | (t |
719120ef MB |
566 | (let ((contents (cdr (assq 'contents cont)))) |
567 | (if (if (featurep 'xemacs) | |
568 | (string-match "[^\000-\377]" contents) | |
569 | (mm-multibyte-string-p contents)) | |
570 | (progn | |
571 | (mm-enable-multibyte) | |
572 | (insert contents) | |
7f22a765 | 573 | (unless raw |
01c52d31 | 574 | (setq charset (mm-encode-body charset)))) |
719120ef | 575 | (insert contents))))) |
23f87bed MB |
576 | (setq encoding (mm-encode-buffer type) |
577 | coded (mm-string-as-multibyte (buffer-string)))) | |
578 | (mml-insert-mime-headers cont type charset encoding nil) | |
7f22a765 | 579 | (insert "\n" coded)))) |
23f87bed MB |
580 | ((eq (car cont) 'external) |
581 | (insert "Content-Type: message/external-body") | |
582 | (let ((parameters (mml-parameter-string | |
583 | cont '(expiration size permission))) | |
584 | (name (cdr (assq 'name cont))) | |
585 | (url (cdr (assq 'url cont)))) | |
586 | (when name | |
587 | (setq name (mml-parse-file-name name)) | |
588 | (if (stringp name) | |
589 | (mml-insert-parameter | |
590 | (mail-header-encode-parameter "name" name) | |
591 | "access-type=local-file") | |
c113de23 | 592 | (mml-insert-parameter |
23f87bed MB |
593 | (mail-header-encode-parameter |
594 | "name" (file-name-nondirectory (nth 2 name))) | |
595 | (mail-header-encode-parameter "site" (nth 1 name)) | |
596 | (mail-header-encode-parameter | |
597 | "directory" (file-name-directory (nth 2 name)))) | |
598 | (mml-insert-parameter | |
599 | (concat "access-type=" | |
600 | (if (member (nth 0 name) '("ftp@" "anonymous@")) | |
601 | "anon-ftp" | |
602 | "ftp"))))) | |
603 | (when url | |
c113de23 | 604 | (mml-insert-parameter |
23f87bed MB |
605 | (mail-header-encode-parameter "url" url) |
606 | "access-type=url")) | |
607 | (when parameters | |
608 | (mml-insert-parameter-string | |
4b91459a MB |
609 | cont '(expiration size permission))) |
610 | (insert "\n\n") | |
611 | (insert "Content-Type: " | |
612 | (or (cdr (assq 'type cont)) | |
afea040a MB |
613 | (if name |
614 | (or (mm-default-file-encoding name) | |
615 | "application/octet-stream") | |
616 | "text/plain")) | |
4b91459a MB |
617 | "\n") |
618 | (insert "Content-ID: " (message-make-message-id) "\n") | |
619 | (insert "Content-Transfer-Encoding: " | |
620 | (or (cdr (assq 'encoding cont)) "binary")) | |
621 | (insert "\n\n") | |
622 | (insert (or (cdr (assq 'contents cont)))) | |
623 | (insert "\n"))) | |
23f87bed MB |
624 | ((eq (car cont) 'multipart) |
625 | (let* ((type (or (cdr (assq 'type cont)) "mixed")) | |
626 | (mml-generate-default-type (if (equal type "digest") | |
627 | "message/rfc822" | |
628 | "text/plain")) | |
629 | (handler (assoc type mml-generate-multipart-alist))) | |
630 | (if handler | |
631 | (funcall (cdr handler) cont) | |
632 | ;; No specific handler. Use default one. | |
633 | (let ((mml-boundary (mml-compute-boundary cont))) | |
634 | (insert (format "Content-Type: multipart/%s; boundary=\"%s\"" | |
635 | type mml-boundary) | |
636 | (if (cdr (assq 'start cont)) | |
637 | (format "; start=\"%s\"\n" (cdr (assq 'start cont))) | |
638 | "\n")) | |
639 | (let ((cont cont) part) | |
640 | (while (setq part (pop cont)) | |
641 | ;; Skip `multipart' and attributes. | |
642 | (when (and (consp part) (consp (cdr part))) | |
643 | (insert "\n--" mml-boundary "\n") | |
6203370b MB |
644 | (mml-generate-mime-1 part) |
645 | (goto-char (point-max))))) | |
23f87bed MB |
646 | (insert "\n--" mml-boundary "--\n"))))) |
647 | (t | |
648 | (error "Invalid element: %S" cont))) | |
649 | ;; handle sign & encrypt tags in a semi-smart way. | |
650 | (let ((sign-item (assoc (cdr (assq 'sign cont)) mml-sign-alist)) | |
651 | (encrypt-item (assoc (cdr (assq 'encrypt cont)) | |
652 | mml-encrypt-alist)) | |
653 | sender recipients) | |
654 | (when (or sign-item encrypt-item) | |
655 | (when (setq sender (cdr (assq 'sender cont))) | |
656 | (message-options-set 'mml-sender sender) | |
657 | (message-options-set 'message-sender sender)) | |
658 | (if (setq recipients (cdr (assq 'recipients cont))) | |
659 | (message-options-set 'message-recipients recipients)) | |
4b91459a MB |
660 | (let ((style (mml-signencrypt-style |
661 | (first (or sign-item encrypt-item))))) | |
23f87bed MB |
662 | ;; check if: we're both signing & encrypting, both methods |
663 | ;; are the same (why would they be different?!), and that | |
664 | ;; the signencrypt style allows for combined operation. | |
665 | (if (and sign-item encrypt-item (equal (first sign-item) | |
666 | (first encrypt-item)) | |
667 | (equal style 'combined)) | |
668 | (funcall (nth 1 encrypt-item) cont t) | |
669 | ;; otherwise, revert to the old behavior. | |
670 | (when sign-item | |
671 | (funcall (nth 1 sign-item) cont)) | |
672 | (when encrypt-item | |
673 | (funcall (nth 1 encrypt-item) cont))))))))) | |
c113de23 GM |
674 | |
675 | (defun mml-compute-boundary (cont) | |
676 | "Return a unique boundary that does not exist in CONT." | |
677 | (let ((mml-boundary (funcall mml-boundary-function | |
678 | (incf mml-multipart-number)))) | |
679 | ;; This function tries again and again until it has found | |
680 | ;; a unique boundary. | |
681 | (while (not (catch 'not-unique | |
682 | (mml-compute-boundary-1 cont)))) | |
683 | mml-boundary)) | |
684 | ||
685 | (defun mml-compute-boundary-1 (cont) | |
686 | (let (filename) | |
687 | (cond | |
688 | ((eq (car cont) 'part) | |
689 | (with-temp-buffer | |
690 | (cond | |
691 | ((cdr (assq 'buffer cont)) | |
692 | (insert-buffer-substring (cdr (assq 'buffer cont)))) | |
693 | ((and (setq filename (cdr (assq 'filename cont))) | |
694 | (not (equal (cdr (assq 'nofile cont)) "yes"))) | |
f4dd4ae8 | 695 | (mm-insert-file-contents filename nil nil nil nil t)) |
c113de23 GM |
696 | (t |
697 | (insert (cdr (assq 'contents cont))))) | |
698 | (goto-char (point-min)) | |
699 | (when (re-search-forward (concat "^--" (regexp-quote mml-boundary)) | |
700 | nil t) | |
701 | (setq mml-boundary (funcall mml-boundary-function | |
702 | (incf mml-multipart-number))) | |
703 | (throw 'not-unique nil)))) | |
704 | ((eq (car cont) 'multipart) | |
01c52d31 | 705 | (mapc 'mml-compute-boundary-1 (cddr cont)))) |
c113de23 GM |
706 | t)) |
707 | ||
708 | (defun mml-make-boundary (number) | |
709 | (concat (make-string (% number 60) ?=) | |
710 | (if (> number 17) | |
711 | (format "%x" number) | |
712 | "") | |
713 | mml-base-boundary)) | |
714 | ||
01c52d31 MB |
715 | (defun mml-content-disposition (type &optional filename) |
716 | "Return a default disposition name suitable to TYPE or FILENAME." | |
717 | (let ((defs mml-content-disposition-alist) | |
718 | disposition def types) | |
719 | (while (and (not disposition) defs) | |
720 | (setq def (pop defs)) | |
721 | (cond ((stringp (car def)) | |
722 | (when (and filename | |
723 | (string-match (car def) filename)) | |
724 | (setq disposition (cdr def)))) | |
725 | ((consp (cdr def)) | |
726 | (when (string= (car (setq types (split-string type "/"))) | |
727 | (car def)) | |
728 | (setq type (cadr types) | |
729 | types (cdr def)) | |
730 | (while (and (not disposition) types) | |
731 | (setq def (pop types)) | |
732 | (when (or (eq (car def) t) (string= type (car def))) | |
733 | (setq disposition (cdr def)))))) | |
734 | (t | |
735 | (when (or (eq (car def) t) (string= type (car def))) | |
736 | (setq disposition (cdr def)))))) | |
737 | (or disposition "attachment"))) | |
738 | ||
23f87bed MB |
739 | (defun mml-insert-mime-headers (cont type charset encoding flowed) |
740 | (let (parameters id disposition description) | |
c113de23 GM |
741 | (setq parameters |
742 | (mml-parameter-string | |
23f87bed | 743 | cont mml-content-type-parameters)) |
c113de23 GM |
744 | (when (or charset |
745 | parameters | |
23f87bed MB |
746 | flowed |
747 | (not (equal type mml-generate-default-type)) | |
748 | mml-insert-mime-headers-always) | |
c113de23 GM |
749 | (when (consp charset) |
750 | (error | |
23f87bed | 751 | "Can't encode a part with several charsets")) |
c113de23 GM |
752 | (insert "Content-Type: " type) |
753 | (when charset | |
c96ec15a MB |
754 | (mml-insert-parameter |
755 | (mail-header-encode-parameter "charset" (symbol-name charset)))) | |
23f87bed | 756 | (when flowed |
c96ec15a | 757 | (mml-insert-parameter "format=flowed")) |
c113de23 GM |
758 | (when parameters |
759 | (mml-insert-parameter-string | |
23f87bed | 760 | cont mml-content-type-parameters)) |
c113de23 | 761 | (insert "\n")) |
23f87bed MB |
762 | (when (setq id (cdr (assq 'id cont))) |
763 | (insert "Content-ID: " id "\n")) | |
c113de23 GM |
764 | (setq parameters |
765 | (mml-parameter-string | |
23f87bed | 766 | cont mml-content-disposition-parameters)) |
c113de23 GM |
767 | (when (or (setq disposition (cdr (assq 'disposition cont))) |
768 | parameters) | |
01c52d31 MB |
769 | (insert "Content-Disposition: " |
770 | (or disposition | |
771 | (mml-content-disposition type (cdr (assq 'filename cont))))) | |
c113de23 GM |
772 | (when parameters |
773 | (mml-insert-parameter-string | |
23f87bed | 774 | cont mml-content-disposition-parameters)) |
c113de23 GM |
775 | (insert "\n")) |
776 | (unless (eq encoding '7bit) | |
777 | (insert (format "Content-Transfer-Encoding: %s\n" encoding))) | |
778 | (when (setq description (cdr (assq 'description cont))) | |
c96ec15a MB |
779 | (insert "Content-Description: ") |
780 | (setq description (prog1 | |
781 | (point) | |
782 | (insert description "\n"))) | |
783 | (mail-encode-encoded-word-region description (point))))) | |
c113de23 GM |
784 | |
785 | (defun mml-parameter-string (cont types) | |
786 | (let ((string "") | |
787 | value type) | |
788 | (while (setq type (pop types)) | |
789 | (when (setq value (cdr (assq type cont))) | |
790 | ;; Strip directory component from the filename parameter. | |
791 | (when (eq type 'filename) | |
792 | (setq value (file-name-nondirectory value))) | |
793 | (setq string (concat string "; " | |
794 | (mail-header-encode-parameter | |
795 | (symbol-name type) value))))) | |
796 | (when (not (zerop (length string))) | |
797 | string))) | |
798 | ||
799 | (defun mml-insert-parameter-string (cont types) | |
800 | (let (value type) | |
801 | (while (setq type (pop types)) | |
802 | (when (setq value (cdr (assq type cont))) | |
803 | ;; Strip directory component from the filename parameter. | |
804 | (when (eq type 'filename) | |
805 | (setq value (file-name-nondirectory value))) | |
806 | (mml-insert-parameter | |
807 | (mail-header-encode-parameter | |
808 | (symbol-name type) value)))))) | |
809 | ||
534aa266 DL |
810 | (eval-when-compile |
811 | (defvar ange-ftp-name-format) | |
812 | (defvar efs-path-regexp)) | |
c113de23 GM |
813 | (defun mml-parse-file-name (path) |
814 | (if (if (boundp 'efs-path-regexp) | |
815 | (string-match efs-path-regexp path) | |
816 | (if (boundp 'ange-ftp-name-format) | |
817 | (string-match (car ange-ftp-name-format) path))) | |
818 | (list (match-string 1 path) (match-string 2 path) | |
819 | (substring path (1+ (match-end 2)))) | |
820 | path)) | |
821 | ||
822 | (defun mml-insert-buffer (buffer) | |
823 | "Insert BUFFER at point and quote any MML markup." | |
824 | (save-restriction | |
825 | (narrow-to-region (point) (point)) | |
826 | (insert-buffer-substring buffer) | |
827 | (mml-quote-region (point-min) (point-max)) | |
828 | (goto-char (point-max)))) | |
829 | ||
830 | ;;; | |
831 | ;;; Transforming MIME to MML | |
832 | ;;; | |
833 | ||
23f87bed MB |
834 | (defun mime-to-mml (&optional handles) |
835 | "Translate the current buffer (which should be a message) into MML. | |
836 | If HANDLES is non-nil, use it instead reparsing the buffer." | |
c113de23 GM |
837 | ;; First decode the head. |
838 | (save-restriction | |
839 | (message-narrow-to-head) | |
270a576a MB |
840 | (let ((rfc2047-quote-decoded-words-containing-tspecials t)) |
841 | (mail-decode-encoded-word-region (point-min) (point-max)))) | |
23f87bed MB |
842 | (unless handles |
843 | (setq handles (mm-dissect-buffer t))) | |
844 | (goto-char (point-min)) | |
845 | (search-forward "\n\n" nil t) | |
846 | (delete-region (point) (point-max)) | |
847 | (if (stringp (car handles)) | |
848 | (mml-insert-mime handles) | |
849 | (mml-insert-mime handles t)) | |
850 | (mm-destroy-parts handles) | |
c113de23 GM |
851 | (save-restriction |
852 | (message-narrow-to-head) | |
853 | ;; Remove them, they are confusing. | |
854 | (message-remove-header "Content-Type") | |
855 | (message-remove-header "MIME-Version") | |
23f87bed | 856 | (message-remove-header "Content-Disposition") |
c113de23 GM |
857 | (message-remove-header "Content-Transfer-Encoding"))) |
858 | ||
859 | (defun mml-to-mime () | |
860 | "Translate the current buffer from MML to MIME." | |
861 | (message-encode-message-body) | |
862 | (save-restriction | |
863 | (message-narrow-to-headers-or-head) | |
23f87bed MB |
864 | ;; Skip past any From_ headers. |
865 | (while (looking-at "From ") | |
866 | (forward-line 1)) | |
c113de23 GM |
867 | (let ((mail-parse-charset message-default-charset)) |
868 | (mail-encode-encoded-word-buffer)))) | |
869 | ||
870 | (defun mml-insert-mime (handle &optional no-markup) | |
871 | (let (textp buffer mmlp) | |
872 | ;; Determine type and stuff. | |
873 | (unless (stringp (car handle)) | |
874 | (unless (setq textp (equal (mm-handle-media-supertype handle) "text")) | |
875 | (save-excursion | |
876 | (set-buffer (setq buffer (mml-generate-new-buffer " *mml*"))) | |
77218834 | 877 | (mm-insert-part handle 'no-cache) |
a1506d29 | 878 | (if (setq mmlp (equal (mm-handle-media-type handle) |
c113de23 GM |
879 | "message/rfc822")) |
880 | (mime-to-mml))))) | |
881 | (if mmlp | |
882 | (mml-insert-mml-markup handle nil t t) | |
883 | (unless (and no-markup | |
884 | (equal (mm-handle-media-type handle) "text/plain")) | |
885 | (mml-insert-mml-markup handle buffer textp))) | |
886 | (cond | |
a1506d29 | 887 | (mmlp |
23f87bed | 888 | (insert-buffer-substring buffer) |
c113de23 GM |
889 | (goto-char (point-max)) |
890 | (insert "<#/mml>\n")) | |
891 | ((stringp (car handle)) | |
01c52d31 | 892 | (mapc 'mml-insert-mime (cdr handle)) |
c113de23 GM |
893 | (insert "<#/multipart>\n")) |
894 | (textp | |
23f87bed MB |
895 | (let ((charset (mail-content-type-get |
896 | (mm-handle-type handle) 'charset)) | |
897 | (start (point))) | |
898 | (if (eq charset 'gnus-decoded) | |
899 | (mm-insert-part handle) | |
900 | (insert (mm-decode-string (mm-get-part handle) charset))) | |
901 | (mml-quote-region start (point))) | |
c113de23 GM |
902 | (goto-char (point-max))) |
903 | (t | |
904 | (insert "<#/part>\n"))))) | |
905 | ||
906 | (defun mml-insert-mml-markup (handle &optional buffer nofile mmlp) | |
907 | "Take a MIME handle and insert an MML tag." | |
908 | (if (stringp (car handle)) | |
23f87bed MB |
909 | (progn |
910 | (insert "<#multipart type=" (mm-handle-media-subtype handle)) | |
911 | (let ((start (mm-handle-multipart-ctl-parameter handle 'start))) | |
912 | (when start | |
913 | (insert " start=\"" start "\""))) | |
914 | (insert ">\n")) | |
c113de23 GM |
915 | (if mmlp |
916 | (insert "<#mml type=" (mm-handle-media-type handle)) | |
917 | (insert "<#part type=" (mm-handle-media-type handle))) | |
918 | (dolist (elem (append (cdr (mm-handle-type handle)) | |
919 | (cdr (mm-handle-disposition handle)))) | |
23f87bed MB |
920 | (unless (symbolp (cdr elem)) |
921 | (insert " " (symbol-name (car elem)) "=\"" (cdr elem) "\""))) | |
922 | (when (mm-handle-id handle) | |
923 | (insert " id=\"" (mm-handle-id handle) "\"")) | |
c113de23 GM |
924 | (when (mm-handle-disposition handle) |
925 | (insert " disposition=" (car (mm-handle-disposition handle)))) | |
926 | (when buffer | |
927 | (insert " buffer=\"" (buffer-name buffer) "\"")) | |
928 | (when nofile | |
929 | (insert " nofile=yes")) | |
930 | (when (mm-handle-description handle) | |
931 | (insert " description=\"" (mm-handle-description handle) "\"")) | |
932 | (insert ">\n"))) | |
933 | ||
934 | (defun mml-insert-parameter (&rest parameters) | |
935 | "Insert PARAMETERS in a nice way." | |
c96ec15a MB |
936 | (let (start end) |
937 | (dolist (param parameters) | |
938 | (insert ";") | |
939 | (setq start (point)) | |
c113de23 | 940 | (insert " " param) |
c96ec15a MB |
941 | (setq end (point)) |
942 | (goto-char start) | |
943 | (end-of-line) | |
944 | (if (> (current-column) 76) | |
945 | (progn | |
946 | (goto-char start) | |
947 | (insert "\n") | |
948 | (goto-char (1+ end))) | |
949 | (goto-char end))))) | |
c113de23 GM |
950 | |
951 | ;;; | |
952 | ;;; Mode for inserting and editing MML forms | |
953 | ;;; | |
954 | ||
955 | (defvar mml-mode-map | |
23f87bed MB |
956 | (let ((sign (make-sparse-keymap)) |
957 | (encrypt (make-sparse-keymap)) | |
958 | (signpart (make-sparse-keymap)) | |
959 | (encryptpart (make-sparse-keymap)) | |
960 | (map (make-sparse-keymap)) | |
c113de23 | 961 | (main (make-sparse-keymap))) |
0565caeb MB |
962 | (define-key map "\C-s" 'mml-secure-message-sign) |
963 | (define-key map "\C-c" 'mml-secure-message-encrypt) | |
964 | (define-key map "\C-e" 'mml-secure-message-sign-encrypt) | |
965 | (define-key map "\C-p\C-s" 'mml-secure-sign) | |
966 | (define-key map "\C-p\C-c" 'mml-secure-encrypt) | |
23f87bed MB |
967 | (define-key sign "p" 'mml-secure-message-sign-pgpmime) |
968 | (define-key sign "o" 'mml-secure-message-sign-pgp) | |
969 | (define-key sign "s" 'mml-secure-message-sign-smime) | |
970 | (define-key signpart "p" 'mml-secure-sign-pgpmime) | |
971 | (define-key signpart "o" 'mml-secure-sign-pgp) | |
972 | (define-key signpart "s" 'mml-secure-sign-smime) | |
973 | (define-key encrypt "p" 'mml-secure-message-encrypt-pgpmime) | |
974 | (define-key encrypt "o" 'mml-secure-message-encrypt-pgp) | |
975 | (define-key encrypt "s" 'mml-secure-message-encrypt-smime) | |
976 | (define-key encryptpart "p" 'mml-secure-encrypt-pgpmime) | |
977 | (define-key encryptpart "o" 'mml-secure-encrypt-pgp) | |
978 | (define-key encryptpart "s" 'mml-secure-encrypt-smime) | |
979 | (define-key map "\C-n" 'mml-unsecure-message) | |
c113de23 GM |
980 | (define-key map "f" 'mml-attach-file) |
981 | (define-key map "b" 'mml-attach-buffer) | |
982 | (define-key map "e" 'mml-attach-external) | |
983 | (define-key map "q" 'mml-quote-region) | |
984 | (define-key map "m" 'mml-insert-multipart) | |
985 | (define-key map "p" 'mml-insert-part) | |
986 | (define-key map "v" 'mml-validate) | |
987 | (define-key map "P" 'mml-preview) | |
23f87bed MB |
988 | (define-key map "s" sign) |
989 | (define-key map "S" signpart) | |
990 | (define-key map "c" encrypt) | |
991 | (define-key map "C" encryptpart) | |
c113de23 | 992 | ;;(define-key map "n" 'mml-narrow-to-part) |
23f87bed MB |
993 | ;; `M-m' conflicts with `back-to-indentation'. |
994 | ;; (define-key main "\M-m" map) | |
995 | (define-key main "\C-c\C-m" map) | |
c113de23 GM |
996 | main)) |
997 | ||
998 | (easy-menu-define | |
f4bb9409 | 999 | mml-menu mml-mode-map "" |
23f87bed MB |
1000 | `("Attachments" |
1001 | ["Attach File..." mml-attach-file | |
1002 | ,@(if (featurep 'xemacs) '(t) | |
1003 | '(:help "Attach a file at point"))] | |
0565caeb MB |
1004 | ["Attach Buffer..." mml-attach-buffer |
1005 | ,@(if (featurep 'xemacs) '(t) | |
1006 | '(:help "Attach a buffer to the outgoing MIME message"))] | |
1007 | ["Attach External..." mml-attach-external | |
1008 | ,@(if (featurep 'xemacs) '(t) | |
1009 | '(:help "Attach reference to file"))] | |
1010 | ;; | |
1011 | ("Change Security Method" | |
1012 | ["PGP/MIME" | |
1013 | (lambda () (interactive) (setq mml-secure-method "pgpmime")) | |
1014 | ,@(if (featurep 'xemacs) nil | |
1015 | '(:help "Set Security Method to PGP/MIME")) | |
1016 | :style radio | |
1017 | :selected (equal mml-secure-method "pgpmime") ] | |
1018 | ["S/MIME" | |
1019 | (lambda () (interactive) (setq mml-secure-method "smime")) | |
1020 | ,@(if (featurep 'xemacs) nil | |
1021 | '(:help "Set Security Method to S/MIME")) | |
1022 | :style radio | |
1023 | :selected (equal mml-secure-method "smime") ] | |
1024 | ["Inline PGP" | |
1025 | (lambda () (interactive) (setq mml-secure-method "pgp")) | |
1026 | ,@(if (featurep 'xemacs) nil | |
1027 | '(:help "Set Security Method to inline PGP")) | |
1028 | :style radio | |
1029 | :selected (equal mml-secure-method "pgp") ] ) | |
1030 | ;; | |
1031 | ["Sign Message" mml-secure-message-sign t] | |
1032 | ["Encrypt Message" mml-secure-message-encrypt t] | |
1033 | ["Sign and Encrypt Message" mml-secure-message-sign-encrypt t] | |
1034 | ["Encrypt/Sign off" mml-unsecure-message | |
1035 | ,@(if (featurep 'xemacs) '(t) | |
1036 | '(:help "Don't Encrypt/Sign Message"))] | |
1037 | ;; Maybe we could remove these, because people who write MML most probably | |
1038 | ;; don't use the menu: | |
1039 | ["Insert Part..." mml-insert-part | |
1040 | :active (message-in-body-p)] | |
1041 | ["Insert Multipart..." mml-insert-multipart | |
1042 | :active (message-in-body-p)] | |
1043 | ;; | |
1044 | ;; Do we have separate encrypt and encrypt/sign commands for parts? | |
1045 | ["Sign Part" mml-secure-sign t] | |
1046 | ["Encrypt Part" mml-secure-encrypt t] | |
f4bb9409 | 1047 | ;;["Narrow" mml-narrow-to-part t] |
0565caeb MB |
1048 | ["Quote MML in region" mml-quote-region |
1049 | :active (message-mark-active-p) | |
1050 | ,@(if (featurep 'xemacs) nil | |
1051 | '(:help "Quote MML tags in region"))] | |
23f87bed | 1052 | ["Validate MML" mml-validate t] |
7347faa8 MB |
1053 | ["Preview" mml-preview t] |
1054 | "----" | |
1055 | ["Emacs MIME manual" (lambda () (interactive) (message-info 4)) | |
1056 | ,@(if (featurep 'xemacs) '(t) | |
1057 | '(:help "Display the Emacs MIME manual"))] | |
1058 | ["PGG manual" (lambda () (interactive) (message-info 16)) | |
1059 | ,@(if (featurep 'xemacs) '(t) | |
1060 | '(:help "Display the PGG manual"))])) | |
c113de23 GM |
1061 | |
1062 | (defvar mml-mode nil | |
1063 | "Minor mode for editing MML.") | |
1064 | ||
1065 | (defun mml-mode (&optional arg) | |
1066 | "Minor mode for editing MML. | |
23f87bed MB |
1067 | MML is the MIME Meta Language, a minor mode for composing MIME articles. |
1068 | See Info node `(emacs-mime)Composing'. | |
c113de23 GM |
1069 | |
1070 | \\{mml-mode-map}" | |
1071 | (interactive "P") | |
23f87bed MB |
1072 | (when (set (make-local-variable 'mml-mode) |
1073 | (if (null arg) (not mml-mode) | |
1074 | (> (prefix-numeric-value arg) 0))) | |
0565caeb | 1075 | (add-minor-mode 'mml-mode " MML" mml-mode-map) |
23f87bed | 1076 | (easy-menu-add mml-menu mml-mode-map) |
0565caeb MB |
1077 | (when (boundp 'dnd-protocol-alist) |
1078 | (set (make-local-variable 'dnd-protocol-alist) | |
1079 | (append mml-dnd-protocol-alist dnd-protocol-alist))) | |
23f87bed | 1080 | (run-hooks 'mml-mode-hook))) |
c113de23 GM |
1081 | |
1082 | ;;; | |
1083 | ;;; Helper functions for reading MIME stuff from the minibuffer and | |
1084 | ;;; inserting stuff to the buffer. | |
1085 | ;;; | |
1086 | ||
01c52d31 MB |
1087 | (defcustom mml-default-directory mm-default-directory |
1088 | "The default directory where mml will find files. | |
1089 | If not set, `default-directory' will be used." | |
1090 | :type '(choice directory (const :tag "Default" nil)) | |
1091 | :version "23.0" ;; No Gnus | |
1092 | :group 'message) | |
1093 | ||
c113de23 | 1094 | (defun mml-minibuffer-read-file (prompt) |
23f87bed | 1095 | (let* ((completion-ignored-extensions nil) |
01c52d31 MB |
1096 | (file (read-file-name prompt |
1097 | (or mml-default-directory default-directory) | |
1098 | nil t))) | |
23f87bed | 1099 | ;; Prevent some common errors. This is inspired by similar code in |
c113de23 GM |
1100 | ;; VM. |
1101 | (when (file-directory-p file) | |
1102 | (error "%s is a directory, cannot attach" file)) | |
1103 | (unless (file-exists-p file) | |
1104 | (error "No such file: %s" file)) | |
1105 | (unless (file-readable-p file) | |
1106 | (error "Permission denied: %s" file)) | |
1107 | file)) | |
1108 | ||
1109 | (defun mml-minibuffer-read-type (name &optional default) | |
1110 | (mailcap-parse-mimetypes) | |
1111 | (let* ((default (or default | |
1112 | (mm-default-file-encoding name) | |
1113 | ;; Perhaps here we should check what the file | |
1114 | ;; looks like, and offer text/plain if it looks | |
1115 | ;; like text/plain. | |
1116 | "application/octet-stream")) | |
1117 | (string (completing-read | |
1118 | (format "Content type (default %s): " default) | |
8538cc2a | 1119 | (mapcar 'list (mailcap-mime-types))))) |
c113de23 GM |
1120 | (if (not (equal string "")) |
1121 | string | |
1122 | default))) | |
1123 | ||
1124 | (defun mml-minibuffer-read-description () | |
1125 | (let ((description (read-string "One line description: "))) | |
1126 | (when (string-match "\\`[ \t]*\\'" description) | |
1127 | (setq description nil)) | |
1128 | description)) | |
1129 | ||
01c52d31 MB |
1130 | (defun mml-minibuffer-read-disposition (type &optional default filename) |
1131 | (unless default | |
1132 | (setq default (mml-content-disposition type filename))) | |
af5e96cd | 1133 | (let ((disposition (completing-read |
01c52d31 MB |
1134 | (format "Disposition (default %s): " default) |
1135 | '(("attachment") ("inline") ("")) | |
1136 | nil t nil nil default))) | |
23f87bed MB |
1137 | (if (not (equal disposition "")) |
1138 | disposition | |
1139 | default))) | |
1140 | ||
c113de23 GM |
1141 | (defun mml-quote-region (beg end) |
1142 | "Quote the MML tags in the region." | |
1143 | (interactive "r") | |
1144 | (save-excursion | |
1145 | (save-restriction | |
1146 | ;; Temporarily narrow the region to defend from changes | |
1147 | ;; invalidating END. | |
1148 | (narrow-to-region beg end) | |
1149 | (goto-char (point-min)) | |
1150 | ;; Quote parts. | |
1151 | (while (re-search-forward | |
1152 | "<#!*/?\\(multipart\\|part\\|external\\|mml\\)" nil t) | |
1153 | ;; Insert ! after the #. | |
1154 | (goto-char (+ (match-beginning 0) 2)) | |
1155 | (insert "!"))))) | |
1156 | ||
1157 | (defun mml-insert-tag (name &rest plist) | |
1158 | "Insert an MML tag described by NAME and PLIST." | |
1159 | (when (symbolp name) | |
1160 | (setq name (symbol-name name))) | |
1161 | (insert "<#" name) | |
1162 | (while plist | |
1163 | (let ((key (pop plist)) | |
1164 | (value (pop plist))) | |
1165 | (when value | |
1166 | ;; Quote VALUE if it contains suspicious characters. | |
1167 | (when (string-match "[\"'\\~/*;() \t\n]" value) | |
23f87bed MB |
1168 | (setq value (with-output-to-string |
1169 | (let (print-escape-nonascii) | |
1170 | (prin1 value))))) | |
c113de23 GM |
1171 | (insert (format " %s=%s" key value))))) |
1172 | (insert ">\n")) | |
1173 | ||
1174 | (defun mml-insert-empty-tag (name &rest plist) | |
1175 | "Insert an empty MML tag described by NAME and PLIST." | |
1176 | (when (symbolp name) | |
1177 | (setq name (symbol-name name))) | |
1178 | (apply #'mml-insert-tag name plist) | |
1179 | (insert "<#/" name ">\n")) | |
1180 | ||
1181 | ;;; Attachment functions. | |
1182 | ||
0565caeb MB |
1183 | (defcustom mml-dnd-protocol-alist |
1184 | '(("^file:///" . mml-dnd-attach-file) | |
1185 | ("^file://" . dnd-open-file) | |
1186 | ("^file:" . mml-dnd-attach-file)) | |
1187 | "The functions to call when a drop in `mml-mode' is made. | |
1188 | See `dnd-protocol-alist' for more information. When nil, behave | |
1189 | as in other buffers." | |
1190 | :type '(choice (repeat (cons (regexp) (function))) | |
1191 | (const :tag "Behave as in other buffers" nil)) | |
1192 | :version "22.1" ;; Gnus 5.10.9 | |
1193 | :group 'message) | |
1194 | ||
1195 | (defcustom mml-dnd-attach-options nil | |
1196 | "Which options should be queried when attaching a file via drag and drop. | |
1197 | ||
1198 | If it is a list, valid members are `type', `description' and | |
1199 | `disposition'. `disposition' implies `type'. If it is nil, | |
1200 | don't ask for options. If it is t, ask the user whether or not | |
1201 | to specify options." | |
1202 | :type '(choice | |
1203 | (const :tag "Non" nil) | |
1204 | (const :tag "Query" t) | |
1205 | (list :value (type description disposition) | |
1206 | (set :inline t | |
1207 | (const type) | |
1208 | (const description) | |
1209 | (const disposition)))) | |
1210 | :version "22.1" ;; Gnus 5.10.9 | |
1211 | :group 'message) | |
1212 | ||
23f87bed | 1213 | (defun mml-attach-file (file &optional type description disposition) |
c113de23 GM |
1214 | "Attach a file to the outgoing MIME message. |
1215 | The file is not inserted or encoded until you send the message with | |
1216 | `\\[message-send-and-exit]' or `\\[message-send]'. | |
1217 | ||
7347faa8 MB |
1218 | FILE is the name of the file to attach. TYPE is its |
1219 | content-type, a string of the form \"type/subtype\". DESCRIPTION | |
1220 | is a one-line description of the attachment. The DISPOSITION | |
1221 | specifies how the attachment is intended to be displayed. It can | |
1222 | be either \"inline\" (displayed automatically within the message | |
1223 | body) or \"attachment\" (separate from the body)." | |
c113de23 GM |
1224 | (interactive |
1225 | (let* ((file (mml-minibuffer-read-file "Attach file: ")) | |
1226 | (type (mml-minibuffer-read-type file)) | |
23f87bed | 1227 | (description (mml-minibuffer-read-description)) |
01c52d31 | 1228 | (disposition (mml-minibuffer-read-disposition type nil file))) |
23f87bed | 1229 | (list file type description disposition))) |
0565caeb MB |
1230 | (save-excursion |
1231 | (unless (message-in-body-p) (goto-char (point-max))) | |
1232 | (mml-insert-empty-tag 'part | |
1233 | 'type type | |
1234 | 'filename file | |
1235 | 'disposition (or disposition "attachment") | |
1236 | 'description description))) | |
1237 | ||
1238 | (defun mml-dnd-attach-file (uri action) | |
1239 | "Attach a drag and drop file. | |
1240 | ||
1241 | Ask for type, description or disposition according to | |
1242 | `mml-dnd-attach-options'." | |
1243 | (let ((file (dnd-get-local-file-name uri t))) | |
1244 | (when (and file (file-regular-p file)) | |
1245 | (let ((mml-dnd-attach-options mml-dnd-attach-options) | |
1246 | type description disposition) | |
1247 | (setq mml-dnd-attach-options | |
1248 | (when (and (eq mml-dnd-attach-options t) | |
1249 | (not | |
1250 | (y-or-n-p | |
1251 | "Use default type, disposition and description? "))) | |
1252 | '(type description disposition))) | |
1253 | (when (or (memq 'type mml-dnd-attach-options) | |
1254 | (memq 'disposition mml-dnd-attach-options)) | |
1255 | (setq type (mml-minibuffer-read-type file))) | |
1256 | (when (memq 'description mml-dnd-attach-options) | |
1257 | (setq description (mml-minibuffer-read-description))) | |
1258 | (when (memq 'disposition mml-dnd-attach-options) | |
01c52d31 | 1259 | (setq disposition (mml-minibuffer-read-disposition type nil file))) |
0565caeb | 1260 | (mml-attach-file file type description disposition))))) |
c113de23 GM |
1261 | |
1262 | (defun mml-attach-buffer (buffer &optional type description) | |
1263 | "Attach a buffer to the outgoing MIME message. | |
1264 | See `mml-attach-file' for details of operation." | |
1265 | (interactive | |
1266 | (let* ((buffer (read-buffer "Attach buffer: ")) | |
1267 | (type (mml-minibuffer-read-type buffer "text/plain")) | |
1268 | (description (mml-minibuffer-read-description))) | |
1269 | (list buffer type description))) | |
0565caeb MB |
1270 | (save-excursion |
1271 | (unless (message-in-body-p) (goto-char (point-max))) | |
1272 | (mml-insert-empty-tag 'part 'type type 'buffer buffer | |
1273 | 'disposition "attachment" | |
1274 | 'description description))) | |
c113de23 GM |
1275 | |
1276 | (defun mml-attach-external (file &optional type description) | |
1277 | "Attach an external file into the buffer. | |
1278 | FILE is an ange-ftp/efs specification of the part location. | |
1279 | TYPE is the MIME type to use." | |
1280 | (interactive | |
1281 | (let* ((file (mml-minibuffer-read-file "Attach external file: ")) | |
1282 | (type (mml-minibuffer-read-type file)) | |
1283 | (description (mml-minibuffer-read-description))) | |
1284 | (list file type description))) | |
0565caeb MB |
1285 | (save-excursion |
1286 | (unless (message-in-body-p) (goto-char (point-max))) | |
1287 | (mml-insert-empty-tag 'external 'type type 'name file | |
1288 | 'disposition "attachment" 'description description))) | |
c113de23 GM |
1289 | |
1290 | (defun mml-insert-multipart (&optional type) | |
1291 | (interactive (list (completing-read "Multipart type (default mixed): " | |
1292 | '(("mixed") ("alternative") ("digest") ("parallel") | |
1293 | ("signed") ("encrypted")) | |
1294 | nil nil "mixed"))) | |
1295 | (or type | |
1296 | (setq type "mixed")) | |
1297 | (mml-insert-empty-tag "multipart" 'type type) | |
1298 | (forward-line -1)) | |
1299 | ||
1300 | (defun mml-insert-part (&optional type) | |
1301 | (interactive | |
1302 | (list (mml-minibuffer-read-type ""))) | |
1303 | (mml-insert-tag 'part 'type type 'disposition "inline") | |
1304 | (forward-line -1)) | |
1305 | ||
23f87bed MB |
1306 | (defun mml-preview-insert-mail-followup-to () |
1307 | "Insert a Mail-Followup-To header before previewing an article. | |
1308 | Should be adopted if code in `message-send-mail' is changed." | |
1309 | (when (and (message-mail-p) | |
1310 | (message-subscribed-p) | |
1311 | (not (mail-fetch-field "mail-followup-to")) | |
1312 | (message-make-mail-followup-to)) | |
1313 | (message-position-on-field "Mail-Followup-To" "X-Draft-From") | |
1314 | (insert (message-make-mail-followup-to)))) | |
1315 | ||
01c52d31 MB |
1316 | (defvar mml-preview-buffer nil) |
1317 | ||
c113de23 GM |
1318 | (defun mml-preview (&optional raw) |
1319 | "Display current buffer with Gnus, in a new buffer. | |
01c52d31 MB |
1320 | If RAW, display a raw encoded MIME message. |
1321 | ||
1322 | The window layout for the preview buffer is controled by the variables | |
1323 | `special-display-buffer-names', `special-display-regexps', or | |
1324 | `gnus-buffer-configuration' (the first match made will be used), | |
1325 | or the `pop-to-buffer' function." | |
c113de23 | 1326 | (interactive "P") |
01c52d31 MB |
1327 | (setq mml-preview-buffer (generate-new-buffer |
1328 | (concat (if raw "*Raw MIME preview of " | |
1329 | "*MIME preview of ") (buffer-name)))) | |
23f87bed MB |
1330 | (save-excursion |
1331 | (let* ((buf (current-buffer)) | |
1332 | (message-options message-options) | |
1333 | (message-this-is-mail (message-mail-p)) | |
1334 | (message-this-is-news (message-news-p)) | |
1335 | (message-posting-charset (or (gnus-setup-posting-charset | |
1336 | (save-restriction | |
1337 | (message-narrow-to-headers-or-head) | |
1338 | (message-fetch-field "Newsgroups"))) | |
1339 | message-posting-charset))) | |
1340 | (message-options-set-recipient) | |
23f87bed | 1341 | (when (boundp 'gnus-buffers) |
01c52d31 MB |
1342 | (push mml-preview-buffer gnus-buffers)) |
1343 | (save-restriction | |
1344 | (widen) | |
1345 | (set-buffer mml-preview-buffer) | |
1346 | (erase-buffer) | |
1347 | (insert-buffer-substring buf)) | |
23f87bed MB |
1348 | (mml-preview-insert-mail-followup-to) |
1349 | (let ((message-deletable-headers (if (message-news-p) | |
1350 | nil | |
1351 | message-deletable-headers))) | |
1352 | (message-generate-headers | |
1353 | (copy-sequence (if (message-news-p) | |
1354 | message-required-news-headers | |
1355 | message-required-mail-headers)))) | |
1356 | (if (re-search-forward | |
1357 | (concat "^" (regexp-quote mail-header-separator) "\n") nil t) | |
1358 | (replace-match "\n")) | |
1359 | (let ((mail-header-separator ""));; mail-header-separator is removed. | |
01c52d31 | 1360 | (message-sort-headers) |
23f87bed MB |
1361 | (mml-to-mime)) |
1362 | (if raw | |
1363 | (when (fboundp 'set-buffer-multibyte) | |
1364 | (let ((s (buffer-string))) | |
1365 | ;; Insert the content into unibyte buffer. | |
1366 | (erase-buffer) | |
1367 | (mm-disable-multibyte) | |
1368 | (insert s))) | |
1369 | (let ((gnus-newsgroup-charset (car message-posting-charset)) | |
1370 | gnus-article-prepare-hook gnus-original-article-buffer) | |
1371 | (run-hooks 'gnus-article-decode-hook) | |
1372 | (let ((gnus-newsgroup-name "dummy") | |
1373 | (gnus-newsrc-hashtb (or gnus-newsrc-hashtb | |
1374 | (gnus-make-hashtable 5)))) | |
1375 | (gnus-article-prepare-display)))) | |
1376 | ;; Disable article-mode-map. | |
1377 | (use-local-map nil) | |
1378 | (gnus-make-local-hook 'kill-buffer-hook) | |
1379 | (add-hook 'kill-buffer-hook | |
1380 | (lambda () | |
1381 | (mm-destroy-parts gnus-article-mime-handles)) nil t) | |
1382 | (setq buffer-read-only t) | |
1383 | (local-set-key "q" (lambda () (interactive) (kill-buffer nil))) | |
1384 | (local-set-key "=" (lambda () (interactive) (delete-other-windows))) | |
1385 | (local-set-key "\r" | |
1386 | (lambda () | |
1387 | (interactive) | |
1388 | (widget-button-press (point)))) | |
1389 | (local-set-key gnus-mouse-2 | |
1390 | (lambda (event) | |
1391 | (interactive "@e") | |
1392 | (widget-button-press (widget-event-point event) event))) | |
01c52d31 MB |
1393 | ;; FIXME: Buffer is in article mode, but most tool bar commands won't |
1394 | ;; work. Maybe only keep the following icons: search, print, quit | |
1395 | (goto-char (point-min)))) | |
1396 | (if (and (not (mm-special-display-p (buffer-name mml-preview-buffer))) | |
1397 | (boundp 'gnus-buffer-configuration) | |
1398 | (assq 'mml-preview gnus-buffer-configuration)) | |
1399 | (let ((gnus-message-buffer (current-buffer))) | |
1400 | (gnus-configure-windows 'mml-preview)) | |
1401 | (pop-to-buffer mml-preview-buffer))) | |
c113de23 GM |
1402 | |
1403 | (defun mml-validate () | |
1404 | "Validate the current MML document." | |
1405 | (interactive) | |
1406 | (mml-parse)) | |
1407 | ||
23f87bed MB |
1408 | (defun mml-tweak-part (cont) |
1409 | "Tweak a MML part." | |
1410 | (let ((tweak (cdr (assq 'tweak cont))) | |
1411 | func) | |
1412 | (cond | |
1413 | (tweak | |
1414 | (setq func | |
1415 | (or (cdr (assoc tweak mml-tweak-function-alist)) | |
1416 | (intern tweak)))) | |
1417 | (mml-tweak-type-alist | |
1418 | (let ((alist mml-tweak-type-alist) | |
1419 | (type (or (cdr (assq 'type cont)) "text/plain"))) | |
1420 | (while alist | |
1421 | (if (string-match (caar alist) type) | |
1422 | (setq func (cdar alist) | |
1423 | alist nil) | |
1424 | (setq alist (cdr alist))))))) | |
1425 | (if func | |
1426 | (funcall func cont) | |
1427 | cont) | |
1428 | (let ((alist mml-tweak-sexp-alist)) | |
1429 | (while alist | |
1430 | (if (eval (caar alist)) | |
1431 | (funcall (cdar alist) cont)) | |
1432 | (setq alist (cdr alist))))) | |
1433 | cont) | |
1434 | ||
1435 | (defun mml-tweak-externalize-attachments (cont) | |
1436 | "Tweak attached files as external parts." | |
1437 | (let (filename-cons) | |
1438 | (when (and (eq (car cont) 'part) | |
1439 | (not (cdr (assq 'buffer cont))) | |
1440 | (and (setq filename-cons (assq 'filename cont)) | |
1441 | (not (equal (cdr (assq 'nofile cont)) "yes")))) | |
1442 | (setcar cont 'external) | |
1443 | (setcar filename-cons 'name)))) | |
1444 | ||
c113de23 GM |
1445 | (provide 'mml) |
1446 | ||
ab5796a9 | 1447 | ;;; arch-tag: 583c96cf-1ffe-451b-a5e5-4733ae9ddd12 |
c113de23 | 1448 | ;;; mml.el ends here |