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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, | |
e3fe4da0 | 4 | ;; 2005, 2006, 2007, 2008 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) |
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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 | ||
5ab56288 GM |
28 | ;; For Emacs < 22.2. |
29 | (eval-and-compile | |
30 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) | |
31 | ||
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32 | (require 'mm-util) |
33 | (require 'mm-bodies) | |
34 | (require 'mm-encode) | |
35 | (require 'mm-decode) | |
23f87bed | 36 | (require 'mml-sec) |
160ff4e5 | 37 | (eval-when-compile (require 'cl)) |
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38 | |
39 | (eval-and-compile | |
40 | (autoload 'message-make-message-id "message") | |
41 | (autoload 'gnus-setup-posting-charset "gnus-msg") | |
23f87bed | 42 | (autoload 'gnus-make-local-hook "gnus-util") |
c113de23 | 43 | (autoload 'message-fetch-field "message") |
01c52d31 | 44 | (autoload 'message-mark-active-p "message") |
7347faa8 | 45 | (autoload 'message-info "message") |
23f87bed | 46 | (autoload 'fill-flowed-encode "flow-fill") |
0565caeb MB |
47 | (autoload 'message-posting-charset "message") |
48 | (autoload 'dnd-get-local-file-name "dnd")) | |
c113de23 | 49 | |
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50 | (autoload 'message-options-set "message") |
51 | (autoload 'message-narrow-to-head "message") | |
52 | (autoload 'message-in-body-p "message") | |
53 | (autoload 'message-mail-p "message") | |
54 | ||
12710ba4 JB |
55 | (defvar gnus-article-mime-handles) |
56 | (defvar gnus-mouse-2) | |
57 | (defvar gnus-newsrc-hashtb) | |
58 | (defvar message-default-charset) | |
59 | (defvar message-deletable-headers) | |
60 | (defvar message-options) | |
61 | (defvar message-posting-charset) | |
62 | (defvar message-required-mail-headers) | |
63 | (defvar message-required-news-headers) | |
0565caeb | 64 | (defvar dnd-protocol-alist) |
9efa445f | 65 | (defvar mml-dnd-protocol-alist) |
12710ba4 | 66 | |
23f87bed MB |
67 | (defcustom mml-content-type-parameters |
68 | '(name access-type expiration size permission format) | |
69 | "*A list of acceptable parameters in MML tag. | |
70 | These parameters are generated in Content-Type header if exists." | |
bf247b6e | 71 | :version "22.1" |
23f87bed MB |
72 | :type '(repeat (symbol :tag "Parameter")) |
73 | :group 'message) | |
74 | ||
75 | (defcustom mml-content-disposition-parameters | |
76 | '(filename creation-date modification-date read-date) | |
77 | "*A list of acceptable parameters in MML tag. | |
78 | These parameters are generated in Content-Disposition header if exists." | |
bf247b6e | 79 | :version "22.1" |
23f87bed MB |
80 | :type '(repeat (symbol :tag "Parameter")) |
81 | :group 'message) | |
82 | ||
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83 | (defcustom mml-content-disposition-alist |
84 | '((text (rtf . "attachment") (t . "inline")) | |
85 | (t . "attachment")) | |
86 | "Alist of MIME types or regexps matching file names and default dispositions. | |
87 | Each element should be one of the following three forms: | |
88 | ||
89 | (REGEXP . DISPOSITION) | |
90 | (SUPERTYPE (SUBTYPE . DISPOSITION) (SUBTYPE . DISPOSITION)...) | |
91 | (TYPE . DISPOSITION) | |
92 | ||
93 | Where REGEXP is a string which matches the file name (if any) of an | |
94 | attachment, SUPERTYPE, SUBTYPE and TYPE should be symbols which are a | |
95 | MIME supertype (e.g., text), a MIME subtype (e.g., plain) and a MIME | |
96 | type (e.g., text/plain) respectively, and DISPOSITION should be either | |
97 | the string \"attachment\" or the string \"inline\". The value t for | |
98 | SUPERTYPE, SUBTYPE or TYPE matches any of those types. The first | |
99 | match found will be used." | |
330f707b | 100 | :version "23.1" ;; No Gnus |
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101 | :type (let ((dispositions '(radio :format "DISPOSITION: %v" |
102 | :value "attachment" | |
103 | (const :format "%v " "attachment") | |
104 | (const :format "%v\n" "inline")))) | |
105 | `(repeat | |
106 | :offset 0 | |
107 | (choice :format "%[Value Menu%]%v" | |
108 | (cons :tag "(REGEXP . DISPOSITION)" :extra-offset 4 | |
109 | (regexp :tag "REGEXP" :value ".*") | |
110 | ,dispositions) | |
111 | (cons :tag "(SUPERTYPE (SUBTYPE . DISPOSITION)...)" | |
112 | :indent 0 | |
113 | (symbol :tag " SUPERTYPE" :value text) | |
114 | (repeat :format "%v%i\n" :offset 0 :extra-offset 4 | |
115 | (cons :format "%v" :extra-offset 5 | |
116 | (symbol :tag "SUBTYPE" :value t) | |
117 | ,dispositions))) | |
118 | (cons :tag "(TYPE . DISPOSITION)" :extra-offset 4 | |
119 | (symbol :tag "TYPE" :value t) | |
120 | ,dispositions)))) | |
121 | :group 'message) | |
122 | ||
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123 | (defcustom mml-insert-mime-headers-always nil |
124 | "If non-nil, always put Content-Type: text/plain at top of empty parts. | |
125 | It is necessary to work against a bug in certain clients." | |
bf247b6e | 126 | :version "22.1" |
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127 | :type 'boolean |
128 | :group 'message) | |
129 | ||
130 | (defvar mml-tweak-type-alist nil | |
131 | "A list of (TYPE . FUNCTION) for tweaking MML parts. | |
132 | TYPE is a string containing a regexp to match the MIME type. FUNCTION | |
133 | is a Lisp function which is called with the MML handle to tweak the | |
134 | part. This variable is used only when no TWEAK parameter exists in | |
135 | the MML handle.") | |
136 | ||
137 | (defvar mml-tweak-function-alist nil | |
138 | "A list of (NAME . FUNCTION) for tweaking MML parts. | |
139 | NAME is a string containing the name of the TWEAK parameter in the MML | |
140 | handle. FUNCTION is a Lisp function which is called with the MML | |
141 | handle to tweak the part.") | |
142 | ||
143 | (defvar mml-tweak-sexp-alist | |
144 | '((mml-externalize-attachments . mml-tweak-externalize-attachments)) | |
145 | "A list of (SEXP . FUNCTION) for tweaking MML parts. | |
146 | SEXP is an s-expression. If the evaluation of SEXP is non-nil, FUNCTION | |
147 | is called. FUNCTION is a Lisp function which is called with the MML | |
148 | handle to tweak the part.") | |
149 | ||
150 | (defvar mml-externalize-attachments nil | |
151 | "*If non-nil, local-file attachments are generated as external parts.") | |
152 | ||
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153 | (defvar mml-generate-multipart-alist nil |
154 | "*Alist of multipart generation functions. | |
155 | Each entry has the form (NAME . FUNCTION), where | |
a1506d29 | 156 | NAME is a string containing the name of the part (without the |
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157 | leading \"/multipart/\"), |
158 | FUNCTION is a Lisp function which is called to generate the part. | |
159 | ||
160 | The Lisp function has to supply the appropriate MIME headers and the | |
161 | contents of this part.") | |
162 | ||
163 | (defvar mml-syntax-table | |
164 | (let ((table (copy-syntax-table emacs-lisp-mode-syntax-table))) | |
165 | (modify-syntax-entry ?\\ "/" table) | |
166 | (modify-syntax-entry ?< "(" table) | |
167 | (modify-syntax-entry ?> ")" table) | |
168 | (modify-syntax-entry ?@ "w" table) | |
169 | (modify-syntax-entry ?/ "w" table) | |
170 | (modify-syntax-entry ?= " " table) | |
171 | (modify-syntax-entry ?* " " table) | |
172 | (modify-syntax-entry ?\; " " table) | |
173 | (modify-syntax-entry ?\' " " table) | |
174 | table)) | |
175 | ||
176 | (defvar mml-boundary-function 'mml-make-boundary | |
177 | "A function called to suggest a boundary. | |
178 | The function may be called several times, and should try to make a new | |
179 | suggestion each time. The function is called with one parameter, | |
180 | which is a number that says how many times the function has been | |
181 | called for this message.") | |
182 | ||
183 | (defvar mml-confirmation-set nil | |
184 | "A list of symbols, each of which disables some warning. | |
185 | `unknown-encoding': always send messages contain characters with | |
186 | unknown encoding; `use-ascii': always use ASCII for those characters | |
187 | with unknown encoding; `multipart': always send messages with more than | |
188 | one charsets.") | |
189 | ||
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190 | (defvar mml-generate-default-type "text/plain" |
191 | "Content type by which the Content-Type header can be omitted. | |
192 | The Content-Type header will not be put in the MIME part if the type | |
193 | equals the value and there's no parameter (e.g. charset, format, etc.) | |
194 | and `mml-insert-mime-headers-always' is nil. The value will be bound | |
195 | to \"message/rfc822\" when encoding an article to be forwarded as a MIME | |
196 | part. This is for the internal use, you should never modify the value.") | |
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197 | |
198 | (defvar mml-buffer-list nil) | |
199 | ||
a1506d29 | 200 | (defun mml-generate-new-buffer (name) |
c113de23 GM |
201 | (let ((buf (generate-new-buffer name))) |
202 | (push buf mml-buffer-list) | |
203 | buf)) | |
204 | ||
205 | (defun mml-destroy-buffers () | |
206 | (let (kill-buffer-hook) | |
01c52d31 | 207 | (mapc 'kill-buffer mml-buffer-list) |
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208 | (setq mml-buffer-list nil))) |
209 | ||
210 | (defun mml-parse () | |
211 | "Parse the current buffer as an MML document." | |
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212 | (save-excursion |
213 | (goto-char (point-min)) | |
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214 | (with-syntax-table mml-syntax-table |
215 | (mml-parse-1)))) | |
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216 | |
217 | (defun mml-parse-1 () | |
218 | "Parse the current buffer as an MML document." | |
219 | (let (struct tag point contents charsets warn use-ascii no-markup-p raw) | |
220 | (while (and (not (eobp)) | |
221 | (not (looking-at "<#/multipart"))) | |
222 | (cond | |
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223 | ((looking-at "<#secure") |
224 | ;; The secure part is essentially a meta-meta tag, which | |
225 | ;; expands to either a part tag if there are no other parts in | |
226 | ;; the document or a multipart tag if there are other parts | |
227 | ;; included in the message | |
228 | (let* (secure-mode | |
229 | (taginfo (mml-read-tag)) | |
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230 | (keyfile (cdr (assq 'keyfile taginfo))) |
231 | (certfile (cdr (assq 'certfile taginfo))) | |
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232 | (recipients (cdr (assq 'recipients taginfo))) |
233 | (sender (cdr (assq 'sender taginfo))) | |
234 | (location (cdr (assq 'tag-location taginfo))) | |
235 | (mode (cdr (assq 'mode taginfo))) | |
236 | (method (cdr (assq 'method taginfo))) | |
237 | tags) | |
238 | (save-excursion | |
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239 | (if (re-search-forward |
240 | "<#/?\\(multipart\\|part\\|external\\|mml\\)." nil t) | |
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241 | (setq secure-mode "multipart") |
242 | (setq secure-mode "part"))) | |
243 | (save-excursion | |
244 | (goto-char location) | |
245 | (re-search-forward "<#secure[^\n]*>\n")) | |
246 | (delete-region (match-beginning 0) (match-end 0)) | |
247 | (cond ((string= mode "sign") | |
248 | (setq tags (list "sign" method))) | |
249 | ((string= mode "encrypt") | |
250 | (setq tags (list "encrypt" method))) | |
251 | ((string= mode "signencrypt") | |
252 | (setq tags (list "sign" method "encrypt" method)))) | |
253 | (eval `(mml-insert-tag ,secure-mode | |
254 | ,@tags | |
01c52d31 MB |
255 | ,(if keyfile "keyfile") |
256 | ,keyfile | |
257 | ,(if certfile "certfile") | |
258 | ,certfile | |
23f87bed MB |
259 | ,(if recipients "recipients") |
260 | ,recipients | |
261 | ,(if sender "sender") | |
262 | ,sender)) | |
263 | ;; restart the parse | |
264 | (goto-char location))) | |
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265 | ((looking-at "<#multipart") |
266 | (push (nconc (mml-read-tag) (mml-parse-1)) struct)) | |
267 | ((looking-at "<#external") | |
268 | (push (nconc (mml-read-tag) (list (cons 'contents (mml-read-part)))) | |
269 | struct)) | |
270 | (t | |
271 | (if (or (looking-at "<#part") (looking-at "<#mml")) | |
272 | (setq tag (mml-read-tag) | |
273 | no-markup-p nil | |
274 | warn nil) | |
275 | (setq tag (list 'part '(type . "text/plain")) | |
276 | no-markup-p t | |
277 | warn t)) | |
278 | (setq raw (cdr (assq 'raw tag)) | |
279 | point (point) | |
ce9401f3 | 280 | contents (mml-read-part (eq 'mml (car tag))) |
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281 | charsets (cond |
282 | (raw nil) | |
283 | ((assq 'charset tag) | |
284 | (list | |
285 | (intern (downcase (cdr (assq 'charset tag)))))) | |
286 | (t | |
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287 | (mm-find-mime-charset-region point (point) |
288 | mm-hack-charsets)))) | |
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289 | (when (and (not raw) (memq nil charsets)) |
290 | (if (or (memq 'unknown-encoding mml-confirmation-set) | |
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291 | (message-options-get 'unknown-encoding) |
292 | (and (y-or-n-p "\ | |
293 | Message contains characters with unknown encoding. Really send? ") | |
294 | (message-options-set 'unknown-encoding t))) | |
a1506d29 | 295 | (if (setq use-ascii |
c113de23 | 296 | (or (memq 'use-ascii mml-confirmation-set) |
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297 | (message-options-get 'use-ascii) |
298 | (and (y-or-n-p "Use ASCII as charset? ") | |
299 | (message-options-set 'use-ascii t)))) | |
c113de23 GM |
300 | (setq charsets (delq nil charsets)) |
301 | (setq warn nil)) | |
302 | (error "Edit your message to remove those characters"))) | |
303 | (if (or raw | |
304 | (eq 'mml (car tag)) | |
305 | (< (length charsets) 2)) | |
306 | (if (or (not no-markup-p) | |
307 | (string-match "[^ \t\r\n]" contents)) | |
308 | ;; Don't create blank parts. | |
309 | (push (nconc tag (list (cons 'contents contents))) | |
310 | struct)) | |
311 | (let ((nstruct (mml-parse-singlepart-with-multiple-charsets | |
312 | tag point (point) use-ascii))) | |
313 | (when (and warn | |
314 | (not (memq 'multipart mml-confirmation-set)) | |
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315 | (not (message-options-get 'multipart)) |
316 | (not (and (y-or-n-p (format "\ | |
2453b2e8 | 317 | A message part needs to be split into %d charset parts. Really send? " |
23f87bed MB |
318 | (length nstruct))) |
319 | (message-options-set 'multipart t)))) | |
c113de23 GM |
320 | (error "Edit your message to use only one charset")) |
321 | (setq struct (nconc nstruct struct))))))) | |
322 | (unless (eobp) | |
323 | (forward-line 1)) | |
324 | (nreverse struct))) | |
325 | ||
a1506d29 | 326 | (defun mml-parse-singlepart-with-multiple-charsets |
c113de23 GM |
327 | (orig-tag beg end &optional use-ascii) |
328 | (save-excursion | |
329 | (save-restriction | |
330 | (narrow-to-region beg end) | |
331 | (goto-char (point-min)) | |
332 | (let ((current (or (mm-mime-charset (mm-charset-after)) | |
333 | (and use-ascii 'us-ascii))) | |
334 | charset struct space newline paragraph) | |
335 | (while (not (eobp)) | |
336 | (setq charset (mm-mime-charset (mm-charset-after))) | |
337 | (cond | |
338 | ;; The charset remains the same. | |
339 | ((eq charset 'us-ascii)) | |
340 | ((or (and use-ascii (not charset)) | |
341 | (eq charset current)) | |
342 | (setq space nil | |
343 | newline nil | |
344 | paragraph nil)) | |
345 | ;; The initial charset was ascii. | |
346 | ((eq current 'us-ascii) | |
347 | (setq current charset | |
348 | space nil | |
349 | newline nil | |
350 | paragraph nil)) | |
351 | ;; We have a change in charsets. | |
352 | (t | |
353 | (push (append | |
354 | orig-tag | |
355 | (list (cons 'contents | |
356 | (buffer-substring-no-properties | |
357 | beg (or paragraph newline space (point)))))) | |
358 | struct) | |
359 | (setq beg (or paragraph newline space (point)) | |
360 | current charset | |
361 | space nil | |
362 | newline nil | |
363 | paragraph nil))) | |
364 | ;; Compute places where it might be nice to break the part. | |
365 | (cond | |
366 | ((memq (following-char) '(? ?\t)) | |
367 | (setq space (1+ (point)))) | |
368 | ((and (eq (following-char) ?\n) | |
369 | (not (bobp)) | |
370 | (eq (char-after (1- (point))) ?\n)) | |
371 | (setq paragraph (point))) | |
372 | ((eq (following-char) ?\n) | |
373 | (setq newline (1+ (point))))) | |
374 | (forward-char 1)) | |
375 | ;; Do the final part. | |
376 | (unless (= beg (point)) | |
377 | (push (append orig-tag | |
378 | (list (cons 'contents | |
379 | (buffer-substring-no-properties | |
380 | beg (point))))) | |
381 | struct)) | |
382 | struct)))) | |
383 | ||
384 | (defun mml-read-tag () | |
385 | "Read a tag and return the contents." | |
23f87bed MB |
386 | (let ((orig-point (point)) |
387 | contents name elem val) | |
c113de23 GM |
388 | (forward-char 2) |
389 | (setq name (buffer-substring-no-properties | |
390 | (point) (progn (forward-sexp 1) (point)))) | |
391 | (skip-chars-forward " \t\n") | |
23f87bed | 392 | (while (not (looking-at ">[ \t]*\n?")) |
c113de23 GM |
393 | (setq elem (buffer-substring-no-properties |
394 | (point) (progn (forward-sexp 1) (point)))) | |
395 | (skip-chars-forward "= \t\n") | |
396 | (setq val (buffer-substring-no-properties | |
397 | (point) (progn (forward-sexp 1) (point)))) | |
398 | (when (string-match "^\"\\(.*\\)\"$" val) | |
399 | (setq val (match-string 1 val))) | |
400 | (push (cons (intern elem) val) contents) | |
401 | (skip-chars-forward " \t\n")) | |
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402 | (goto-char (match-end 0)) |
403 | ;; Don't skip the leading space. | |
404 | ;;(skip-chars-forward " \t\n") | |
405 | ;; Put the tag location into the returned contents | |
406 | (setq contents (append (list (cons 'tag-location orig-point)) contents)) | |
c113de23 GM |
407 | (cons (intern name) (nreverse contents)))) |
408 | ||
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409 | (defun mml-buffer-substring-no-properties-except-hard-newlines (start end) |
410 | (let ((str (buffer-substring-no-properties start end)) | |
411 | (bufstart start) tmp) | |
412 | (while (setq tmp (text-property-any start end 'hard 't)) | |
413 | (set-text-properties (- tmp bufstart) (- tmp bufstart -1) | |
414 | '(hard t) str) | |
415 | (setq start (1+ tmp))) | |
416 | str)) | |
417 | ||
c113de23 GM |
418 | (defun mml-read-part (&optional mml) |
419 | "Return the buffer up till the next part, multipart or closing part or multipart. | |
420 | If MML is non-nil, return the buffer up till the correspondent mml tag." | |
421 | (let ((beg (point)) (count 1)) | |
23f87bed | 422 | ;; If the tag ended at the end of the line, we go to the next line. |
c113de23 GM |
423 | (when (looking-at "[ \t]*\n") |
424 | (forward-line 1)) | |
425 | (if mml | |
426 | (progn | |
427 | (while (and (> count 0) (not (eobp))) | |
428 | (if (re-search-forward "<#\\(/\\)?mml." nil t) | |
429 | (setq count (+ count (if (match-beginning 1) -1 1))) | |
430 | (goto-char (point-max)))) | |
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431 | (mml-buffer-substring-no-properties-except-hard-newlines |
432 | beg (if (> count 0) | |
433 | (point) | |
434 | (match-beginning 0)))) | |
c113de23 GM |
435 | (if (re-search-forward |
436 | "<#\\(/\\)?\\(multipart\\|part\\|external\\|mml\\)." nil t) | |
437 | (prog1 | |
23f87bed MB |
438 | (mml-buffer-substring-no-properties-except-hard-newlines |
439 | beg (match-beginning 0)) | |
c113de23 GM |
440 | (if (or (not (match-beginning 1)) |
441 | (equal (match-string 2) "multipart")) | |
442 | (goto-char (match-beginning 0)) | |
443 | (when (looking-at "[ \t]*\n") | |
444 | (forward-line 1)))) | |
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445 | (mml-buffer-substring-no-properties-except-hard-newlines |
446 | beg (goto-char (point-max))))))) | |
c113de23 GM |
447 | |
448 | (defvar mml-boundary nil) | |
449 | (defvar mml-base-boundary "-=-=") | |
450 | (defvar mml-multipart-number 0) | |
451 | ||
452 | (defun mml-generate-mime () | |
453 | "Generate a MIME message based on the current MML document." | |
454 | (let ((cont (mml-parse)) | |
455 | (mml-multipart-number mml-multipart-number)) | |
456 | (if (not cont) | |
457 | nil | |
7f22a765 | 458 | (mm-with-multibyte-buffer |
c113de23 GM |
459 | (if (and (consp (car cont)) |
460 | (= (length cont) 1)) | |
461 | (mml-generate-mime-1 (car cont)) | |
462 | (mml-generate-mime-1 (nconc (list 'multipart '(type . "mixed")) | |
463 | cont))) | |
464 | (buffer-string))))) | |
465 | ||
466 | (defun mml-generate-mime-1 (cont) | |
23f87bed MB |
467 | (let ((mm-use-ultra-safe-encoding |
468 | (or mm-use-ultra-safe-encoding (assq 'sign cont)))) | |
469 | (save-restriction | |
470 | (narrow-to-region (point) (point)) | |
471 | (mml-tweak-part cont) | |
472 | (cond | |
473 | ((or (eq (car cont) 'part) (eq (car cont) 'mml)) | |
4b91459a MB |
474 | (let* ((raw (cdr (assq 'raw cont))) |
475 | (filename (cdr (assq 'filename cont))) | |
476 | (type (or (cdr (assq 'type cont)) | |
afea040a MB |
477 | (if filename |
478 | (or (mm-default-file-encoding filename) | |
479 | "application/octet-stream") | |
480 | "text/plain"))) | |
01c52d31 MB |
481 | (charset (cdr (assq 'charset cont))) |
482 | (coding (mm-charset-to-coding-system charset)) | |
483 | encoding flowed coded) | |
484 | (cond ((eq coding 'ascii) | |
485 | (setq charset nil | |
486 | coding nil)) | |
487 | (charset | |
488 | (setq charset (intern (downcase charset))))) | |
23f87bed MB |
489 | (if (and (not raw) |
490 | (member (car (split-string type "/")) '("text" "message"))) | |
491 | (progn | |
492 | (with-temp-buffer | |
23f87bed MB |
493 | (cond |
494 | ((cdr (assq 'buffer cont)) | |
495 | (insert-buffer-substring (cdr (assq 'buffer cont)))) | |
4b91459a | 496 | ((and filename |
23f87bed | 497 | (not (equal (cdr (assq 'nofile cont)) "yes"))) |
01c52d31 | 498 | (let ((coding-system-for-read coding)) |
23f87bed MB |
499 | (mm-insert-file-contents filename))) |
500 | ((eq 'mml (car cont)) | |
501 | (insert (cdr (assq 'contents cont)))) | |
502 | (t | |
503 | (save-restriction | |
504 | (narrow-to-region (point) (point)) | |
505 | (insert (cdr (assq 'contents cont))) | |
506 | ;; Remove quotes from quoted tags. | |
507 | (goto-char (point-min)) | |
508 | (while (re-search-forward | |
509 | "<#!+/?\\(part\\|multipart\\|external\\|mml\\)" | |
510 | nil t) | |
511 | (delete-region (+ (match-beginning 0) 2) | |
512 | (+ (match-beginning 0) 3)))))) | |
513 | (cond | |
514 | ((eq (car cont) 'mml) | |
515 | (let ((mml-boundary (mml-compute-boundary cont)) | |
4b91459a MB |
516 | ;; It is necessary for the case where this |
517 | ;; function is called recursively since | |
518 | ;; `m-g-d-t' will be bound to "message/rfc822" | |
519 | ;; when encoding an article to be forwarded. | |
23f87bed MB |
520 | (mml-generate-default-type "text/plain")) |
521 | (mml-to-mime)) | |
522 | (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b"))) | |
523 | ;; ignore 0x1b, it is part of iso-2022-jp | |
524 | (setq encoding (mm-body-7-or-8)))) | |
525 | ((string= (car (split-string type "/")) "message") | |
526 | (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b"))) | |
527 | ;; ignore 0x1b, it is part of iso-2022-jp | |
528 | (setq encoding (mm-body-7-or-8)))) | |
529 | (t | |
530 | ;; Only perform format=flowed filling on text/plain | |
531 | ;; parts where there either isn't a format parameter | |
532 | ;; in the mml tag or it says "flowed" and there | |
533 | ;; actually are hard newlines in the text. | |
534 | (let (use-hard-newlines) | |
535 | (when (and (string= type "text/plain") | |
f4dd4ae8 | 536 | (not (string= (cdr (assq 'sign cont)) "pgp")) |
23f87bed MB |
537 | (or (null (assq 'format cont)) |
538 | (string= (cdr (assq 'format cont)) | |
539 | "flowed")) | |
540 | (setq use-hard-newlines | |
541 | (text-property-any | |
542 | (point-min) (point-max) 'hard 't))) | |
543 | (fill-flowed-encode) | |
544 | ;; Indicate that `mml-insert-mime-headers' should | |
545 | ;; insert a "; format=flowed" string unless the | |
546 | ;; user has already specified it. | |
547 | (setq flowed (null (assq 'format cont))))) | |
01c52d31 MB |
548 | ;; Prefer `utf-8' for text/calendar parts. |
549 | (if (or charset | |
550 | (not (string= type "text/calendar"))) | |
551 | (setq charset (mm-encode-body charset)) | |
552 | (let ((mm-coding-system-priorities | |
553 | (cons 'utf-8 mm-coding-system-priorities))) | |
554 | (setq charset (mm-encode-body)))) | |
23f87bed MB |
555 | (setq encoding (mm-body-encoding |
556 | charset (cdr (assq 'encoding cont)))))) | |
557 | (setq coded (buffer-string))) | |
558 | (mml-insert-mime-headers cont type charset encoding flowed) | |
559 | (insert "\n") | |
560 | (insert coded)) | |
561 | (mm-with-unibyte-buffer | |
562 | (cond | |
563 | ((cdr (assq 'buffer cont)) | |
4573e0df MB |
564 | (insert (mm-string-as-unibyte |
565 | (with-current-buffer (cdr (assq 'buffer cont)) | |
566 | (buffer-string))))) | |
4b91459a | 567 | ((and filename |
23f87bed MB |
568 | (not (equal (cdr (assq 'nofile cont)) "yes"))) |
569 | (let ((coding-system-for-read mm-binary-coding-system)) | |
01c52d31 MB |
570 | (mm-insert-file-contents filename nil nil nil nil t)) |
571 | (unless charset | |
572 | (setq charset (mm-coding-system-to-mime-charset | |
573 | (mm-find-buffer-file-coding-system | |
574 | filename))))) | |
23f87bed | 575 | (t |
719120ef MB |
576 | (let ((contents (cdr (assq 'contents cont)))) |
577 | (if (if (featurep 'xemacs) | |
578 | (string-match "[^\000-\377]" contents) | |
579 | (mm-multibyte-string-p contents)) | |
580 | (progn | |
581 | (mm-enable-multibyte) | |
582 | (insert contents) | |
7f22a765 | 583 | (unless raw |
01c52d31 | 584 | (setq charset (mm-encode-body charset)))) |
719120ef | 585 | (insert contents))))) |
23f87bed MB |
586 | (setq encoding (mm-encode-buffer type) |
587 | coded (mm-string-as-multibyte (buffer-string)))) | |
588 | (mml-insert-mime-headers cont type charset encoding nil) | |
7f22a765 | 589 | (insert "\n" coded)))) |
23f87bed MB |
590 | ((eq (car cont) 'external) |
591 | (insert "Content-Type: message/external-body") | |
592 | (let ((parameters (mml-parameter-string | |
593 | cont '(expiration size permission))) | |
594 | (name (cdr (assq 'name cont))) | |
595 | (url (cdr (assq 'url cont)))) | |
596 | (when name | |
597 | (setq name (mml-parse-file-name name)) | |
598 | (if (stringp name) | |
599 | (mml-insert-parameter | |
600 | (mail-header-encode-parameter "name" name) | |
601 | "access-type=local-file") | |
c113de23 | 602 | (mml-insert-parameter |
23f87bed MB |
603 | (mail-header-encode-parameter |
604 | "name" (file-name-nondirectory (nth 2 name))) | |
605 | (mail-header-encode-parameter "site" (nth 1 name)) | |
606 | (mail-header-encode-parameter | |
607 | "directory" (file-name-directory (nth 2 name)))) | |
608 | (mml-insert-parameter | |
609 | (concat "access-type=" | |
610 | (if (member (nth 0 name) '("ftp@" "anonymous@")) | |
611 | "anon-ftp" | |
612 | "ftp"))))) | |
613 | (when url | |
c113de23 | 614 | (mml-insert-parameter |
23f87bed MB |
615 | (mail-header-encode-parameter "url" url) |
616 | "access-type=url")) | |
617 | (when parameters | |
618 | (mml-insert-parameter-string | |
4b91459a MB |
619 | cont '(expiration size permission))) |
620 | (insert "\n\n") | |
621 | (insert "Content-Type: " | |
622 | (or (cdr (assq 'type cont)) | |
afea040a MB |
623 | (if name |
624 | (or (mm-default-file-encoding name) | |
625 | "application/octet-stream") | |
626 | "text/plain")) | |
4b91459a MB |
627 | "\n") |
628 | (insert "Content-ID: " (message-make-message-id) "\n") | |
629 | (insert "Content-Transfer-Encoding: " | |
630 | (or (cdr (assq 'encoding cont)) "binary")) | |
631 | (insert "\n\n") | |
632 | (insert (or (cdr (assq 'contents cont)))) | |
633 | (insert "\n"))) | |
23f87bed MB |
634 | ((eq (car cont) 'multipart) |
635 | (let* ((type (or (cdr (assq 'type cont)) "mixed")) | |
636 | (mml-generate-default-type (if (equal type "digest") | |
637 | "message/rfc822" | |
638 | "text/plain")) | |
639 | (handler (assoc type mml-generate-multipart-alist))) | |
640 | (if handler | |
641 | (funcall (cdr handler) cont) | |
642 | ;; No specific handler. Use default one. | |
643 | (let ((mml-boundary (mml-compute-boundary cont))) | |
644 | (insert (format "Content-Type: multipart/%s; boundary=\"%s\"" | |
645 | type mml-boundary) | |
646 | (if (cdr (assq 'start cont)) | |
647 | (format "; start=\"%s\"\n" (cdr (assq 'start cont))) | |
648 | "\n")) | |
649 | (let ((cont cont) part) | |
650 | (while (setq part (pop cont)) | |
651 | ;; Skip `multipart' and attributes. | |
652 | (when (and (consp part) (consp (cdr part))) | |
653 | (insert "\n--" mml-boundary "\n") | |
6203370b MB |
654 | (mml-generate-mime-1 part) |
655 | (goto-char (point-max))))) | |
23f87bed MB |
656 | (insert "\n--" mml-boundary "--\n"))))) |
657 | (t | |
658 | (error "Invalid element: %S" cont))) | |
659 | ;; handle sign & encrypt tags in a semi-smart way. | |
660 | (let ((sign-item (assoc (cdr (assq 'sign cont)) mml-sign-alist)) | |
661 | (encrypt-item (assoc (cdr (assq 'encrypt cont)) | |
662 | mml-encrypt-alist)) | |
663 | sender recipients) | |
664 | (when (or sign-item encrypt-item) | |
665 | (when (setq sender (cdr (assq 'sender cont))) | |
666 | (message-options-set 'mml-sender sender) | |
667 | (message-options-set 'message-sender sender)) | |
668 | (if (setq recipients (cdr (assq 'recipients cont))) | |
669 | (message-options-set 'message-recipients recipients)) | |
4b91459a MB |
670 | (let ((style (mml-signencrypt-style |
671 | (first (or sign-item encrypt-item))))) | |
23f87bed MB |
672 | ;; check if: we're both signing & encrypting, both methods |
673 | ;; are the same (why would they be different?!), and that | |
674 | ;; the signencrypt style allows for combined operation. | |
675 | (if (and sign-item encrypt-item (equal (first sign-item) | |
676 | (first encrypt-item)) | |
677 | (equal style 'combined)) | |
678 | (funcall (nth 1 encrypt-item) cont t) | |
679 | ;; otherwise, revert to the old behavior. | |
680 | (when sign-item | |
681 | (funcall (nth 1 sign-item) cont)) | |
682 | (when encrypt-item | |
683 | (funcall (nth 1 encrypt-item) cont))))))))) | |
c113de23 GM |
684 | |
685 | (defun mml-compute-boundary (cont) | |
686 | "Return a unique boundary that does not exist in CONT." | |
687 | (let ((mml-boundary (funcall mml-boundary-function | |
688 | (incf mml-multipart-number)))) | |
689 | ;; This function tries again and again until it has found | |
690 | ;; a unique boundary. | |
691 | (while (not (catch 'not-unique | |
692 | (mml-compute-boundary-1 cont)))) | |
693 | mml-boundary)) | |
694 | ||
695 | (defun mml-compute-boundary-1 (cont) | |
696 | (let (filename) | |
697 | (cond | |
698 | ((eq (car cont) 'part) | |
699 | (with-temp-buffer | |
700 | (cond | |
701 | ((cdr (assq 'buffer cont)) | |
702 | (insert-buffer-substring (cdr (assq 'buffer cont)))) | |
703 | ((and (setq filename (cdr (assq 'filename cont))) | |
704 | (not (equal (cdr (assq 'nofile cont)) "yes"))) | |
f4dd4ae8 | 705 | (mm-insert-file-contents filename nil nil nil nil t)) |
c113de23 GM |
706 | (t |
707 | (insert (cdr (assq 'contents cont))))) | |
708 | (goto-char (point-min)) | |
709 | (when (re-search-forward (concat "^--" (regexp-quote mml-boundary)) | |
710 | nil t) | |
711 | (setq mml-boundary (funcall mml-boundary-function | |
712 | (incf mml-multipart-number))) | |
713 | (throw 'not-unique nil)))) | |
714 | ((eq (car cont) 'multipart) | |
01c52d31 | 715 | (mapc 'mml-compute-boundary-1 (cddr cont)))) |
c113de23 GM |
716 | t)) |
717 | ||
718 | (defun mml-make-boundary (number) | |
719 | (concat (make-string (% number 60) ?=) | |
720 | (if (> number 17) | |
721 | (format "%x" number) | |
722 | "") | |
723 | mml-base-boundary)) | |
724 | ||
01c52d31 MB |
725 | (defun mml-content-disposition (type &optional filename) |
726 | "Return a default disposition name suitable to TYPE or FILENAME." | |
727 | (let ((defs mml-content-disposition-alist) | |
728 | disposition def types) | |
729 | (while (and (not disposition) defs) | |
730 | (setq def (pop defs)) | |
731 | (cond ((stringp (car def)) | |
732 | (when (and filename | |
733 | (string-match (car def) filename)) | |
734 | (setq disposition (cdr def)))) | |
735 | ((consp (cdr def)) | |
736 | (when (string= (car (setq types (split-string type "/"))) | |
737 | (car def)) | |
738 | (setq type (cadr types) | |
739 | types (cdr def)) | |
740 | (while (and (not disposition) types) | |
741 | (setq def (pop types)) | |
742 | (when (or (eq (car def) t) (string= type (car def))) | |
743 | (setq disposition (cdr def)))))) | |
744 | (t | |
745 | (when (or (eq (car def) t) (string= type (car def))) | |
746 | (setq disposition (cdr def)))))) | |
747 | (or disposition "attachment"))) | |
748 | ||
23f87bed MB |
749 | (defun mml-insert-mime-headers (cont type charset encoding flowed) |
750 | (let (parameters id disposition description) | |
c113de23 GM |
751 | (setq parameters |
752 | (mml-parameter-string | |
23f87bed | 753 | cont mml-content-type-parameters)) |
c113de23 GM |
754 | (when (or charset |
755 | parameters | |
23f87bed MB |
756 | flowed |
757 | (not (equal type mml-generate-default-type)) | |
758 | mml-insert-mime-headers-always) | |
c113de23 GM |
759 | (when (consp charset) |
760 | (error | |
23f87bed | 761 | "Can't encode a part with several charsets")) |
c113de23 GM |
762 | (insert "Content-Type: " type) |
763 | (when charset | |
c96ec15a MB |
764 | (mml-insert-parameter |
765 | (mail-header-encode-parameter "charset" (symbol-name charset)))) | |
23f87bed | 766 | (when flowed |
c96ec15a | 767 | (mml-insert-parameter "format=flowed")) |
c113de23 GM |
768 | (when parameters |
769 | (mml-insert-parameter-string | |
23f87bed | 770 | cont mml-content-type-parameters)) |
c113de23 | 771 | (insert "\n")) |
23f87bed MB |
772 | (when (setq id (cdr (assq 'id cont))) |
773 | (insert "Content-ID: " id "\n")) | |
c113de23 GM |
774 | (setq parameters |
775 | (mml-parameter-string | |
23f87bed | 776 | cont mml-content-disposition-parameters)) |
c113de23 GM |
777 | (when (or (setq disposition (cdr (assq 'disposition cont))) |
778 | parameters) | |
01c52d31 MB |
779 | (insert "Content-Disposition: " |
780 | (or disposition | |
781 | (mml-content-disposition type (cdr (assq 'filename cont))))) | |
c113de23 GM |
782 | (when parameters |
783 | (mml-insert-parameter-string | |
23f87bed | 784 | cont mml-content-disposition-parameters)) |
c113de23 GM |
785 | (insert "\n")) |
786 | (unless (eq encoding '7bit) | |
787 | (insert (format "Content-Transfer-Encoding: %s\n" encoding))) | |
788 | (when (setq description (cdr (assq 'description cont))) | |
c96ec15a MB |
789 | (insert "Content-Description: ") |
790 | (setq description (prog1 | |
791 | (point) | |
792 | (insert description "\n"))) | |
793 | (mail-encode-encoded-word-region description (point))))) | |
c113de23 GM |
794 | |
795 | (defun mml-parameter-string (cont types) | |
796 | (let ((string "") | |
797 | value type) | |
798 | (while (setq type (pop types)) | |
799 | (when (setq value (cdr (assq type cont))) | |
800 | ;; Strip directory component from the filename parameter. | |
801 | (when (eq type 'filename) | |
802 | (setq value (file-name-nondirectory value))) | |
803 | (setq string (concat string "; " | |
804 | (mail-header-encode-parameter | |
805 | (symbol-name type) value))))) | |
806 | (when (not (zerop (length string))) | |
807 | string))) | |
808 | ||
809 | (defun mml-insert-parameter-string (cont types) | |
810 | (let (value type) | |
811 | (while (setq type (pop types)) | |
812 | (when (setq value (cdr (assq type cont))) | |
813 | ;; Strip directory component from the filename parameter. | |
814 | (when (eq type 'filename) | |
815 | (setq value (file-name-nondirectory value))) | |
816 | (mml-insert-parameter | |
817 | (mail-header-encode-parameter | |
818 | (symbol-name type) value)))))) | |
819 | ||
9efa445f DN |
820 | (defvar ange-ftp-name-format) |
821 | (defvar efs-path-regexp) | |
822 | ||
c113de23 GM |
823 | (defun mml-parse-file-name (path) |
824 | (if (if (boundp 'efs-path-regexp) | |
825 | (string-match efs-path-regexp path) | |
826 | (if (boundp 'ange-ftp-name-format) | |
827 | (string-match (car ange-ftp-name-format) path))) | |
828 | (list (match-string 1 path) (match-string 2 path) | |
829 | (substring path (1+ (match-end 2)))) | |
830 | path)) | |
831 | ||
832 | (defun mml-insert-buffer (buffer) | |
833 | "Insert BUFFER at point and quote any MML markup." | |
834 | (save-restriction | |
835 | (narrow-to-region (point) (point)) | |
836 | (insert-buffer-substring buffer) | |
837 | (mml-quote-region (point-min) (point-max)) | |
838 | (goto-char (point-max)))) | |
839 | ||
840 | ;;; | |
841 | ;;; Transforming MIME to MML | |
842 | ;;; | |
843 | ||
541cbf8b GM |
844 | ;; message-narrow-to-head autoloads message. |
845 | (declare-function message-remove-header "message" | |
846 | (header &optional is-regexp first reverse)) | |
847 | ||
23f87bed MB |
848 | (defun mime-to-mml (&optional handles) |
849 | "Translate the current buffer (which should be a message) into MML. | |
850 | If HANDLES is non-nil, use it instead reparsing the buffer." | |
c113de23 GM |
851 | ;; First decode the head. |
852 | (save-restriction | |
853 | (message-narrow-to-head) | |
270a576a MB |
854 | (let ((rfc2047-quote-decoded-words-containing-tspecials t)) |
855 | (mail-decode-encoded-word-region (point-min) (point-max)))) | |
23f87bed MB |
856 | (unless handles |
857 | (setq handles (mm-dissect-buffer t))) | |
858 | (goto-char (point-min)) | |
859 | (search-forward "\n\n" nil t) | |
860 | (delete-region (point) (point-max)) | |
861 | (if (stringp (car handles)) | |
862 | (mml-insert-mime handles) | |
863 | (mml-insert-mime handles t)) | |
864 | (mm-destroy-parts handles) | |
c113de23 GM |
865 | (save-restriction |
866 | (message-narrow-to-head) | |
867 | ;; Remove them, they are confusing. | |
868 | (message-remove-header "Content-Type") | |
869 | (message-remove-header "MIME-Version") | |
23f87bed | 870 | (message-remove-header "Content-Disposition") |
c113de23 GM |
871 | (message-remove-header "Content-Transfer-Encoding"))) |
872 | ||
541cbf8b GM |
873 | (autoload 'message-encode-message-body "message") |
874 | (declare-function message-narrow-to-headers-or-head "message" ()) | |
875 | ||
c113de23 GM |
876 | (defun mml-to-mime () |
877 | "Translate the current buffer from MML to MIME." | |
4599d0ec MB |
878 | ;; `message-encode-message-body' will insert an encoded Content-Description |
879 | ;; header in the message header if the body contains a single part | |
880 | ;; that is specified by a user with a MML tag containing a description | |
881 | ;; token. So, we encode the message header first to prevent the encoded | |
882 | ;; Content-Description header from being encoded again. | |
c113de23 GM |
883 | (save-restriction |
884 | (message-narrow-to-headers-or-head) | |
23f87bed MB |
885 | ;; Skip past any From_ headers. |
886 | (while (looking-at "From ") | |
887 | (forward-line 1)) | |
c113de23 | 888 | (let ((mail-parse-charset message-default-charset)) |
4599d0ec MB |
889 | (mail-encode-encoded-word-buffer))) |
890 | (message-encode-message-body)) | |
c113de23 GM |
891 | |
892 | (defun mml-insert-mime (handle &optional no-markup) | |
893 | (let (textp buffer mmlp) | |
894 | ;; Determine type and stuff. | |
895 | (unless (stringp (car handle)) | |
896 | (unless (setq textp (equal (mm-handle-media-supertype handle) "text")) | |
897 | (save-excursion | |
898 | (set-buffer (setq buffer (mml-generate-new-buffer " *mml*"))) | |
77218834 | 899 | (mm-insert-part handle 'no-cache) |
a1506d29 | 900 | (if (setq mmlp (equal (mm-handle-media-type handle) |
c113de23 GM |
901 | "message/rfc822")) |
902 | (mime-to-mml))))) | |
903 | (if mmlp | |
904 | (mml-insert-mml-markup handle nil t t) | |
905 | (unless (and no-markup | |
906 | (equal (mm-handle-media-type handle) "text/plain")) | |
907 | (mml-insert-mml-markup handle buffer textp))) | |
908 | (cond | |
a1506d29 | 909 | (mmlp |
23f87bed | 910 | (insert-buffer-substring buffer) |
c113de23 GM |
911 | (goto-char (point-max)) |
912 | (insert "<#/mml>\n")) | |
913 | ((stringp (car handle)) | |
01c52d31 | 914 | (mapc 'mml-insert-mime (cdr handle)) |
c113de23 GM |
915 | (insert "<#/multipart>\n")) |
916 | (textp | |
23f87bed MB |
917 | (let ((charset (mail-content-type-get |
918 | (mm-handle-type handle) 'charset)) | |
919 | (start (point))) | |
920 | (if (eq charset 'gnus-decoded) | |
921 | (mm-insert-part handle) | |
922 | (insert (mm-decode-string (mm-get-part handle) charset))) | |
923 | (mml-quote-region start (point))) | |
c113de23 GM |
924 | (goto-char (point-max))) |
925 | (t | |
926 | (insert "<#/part>\n"))))) | |
927 | ||
928 | (defun mml-insert-mml-markup (handle &optional buffer nofile mmlp) | |
929 | "Take a MIME handle and insert an MML tag." | |
930 | (if (stringp (car handle)) | |
23f87bed MB |
931 | (progn |
932 | (insert "<#multipart type=" (mm-handle-media-subtype handle)) | |
933 | (let ((start (mm-handle-multipart-ctl-parameter handle 'start))) | |
934 | (when start | |
935 | (insert " start=\"" start "\""))) | |
936 | (insert ">\n")) | |
c113de23 GM |
937 | (if mmlp |
938 | (insert "<#mml type=" (mm-handle-media-type handle)) | |
939 | (insert "<#part type=" (mm-handle-media-type handle))) | |
940 | (dolist (elem (append (cdr (mm-handle-type handle)) | |
941 | (cdr (mm-handle-disposition handle)))) | |
23f87bed MB |
942 | (unless (symbolp (cdr elem)) |
943 | (insert " " (symbol-name (car elem)) "=\"" (cdr elem) "\""))) | |
944 | (when (mm-handle-id handle) | |
945 | (insert " id=\"" (mm-handle-id handle) "\"")) | |
c113de23 GM |
946 | (when (mm-handle-disposition handle) |
947 | (insert " disposition=" (car (mm-handle-disposition handle)))) | |
948 | (when buffer | |
949 | (insert " buffer=\"" (buffer-name buffer) "\"")) | |
950 | (when nofile | |
951 | (insert " nofile=yes")) | |
952 | (when (mm-handle-description handle) | |
953 | (insert " description=\"" (mm-handle-description handle) "\"")) | |
954 | (insert ">\n"))) | |
955 | ||
956 | (defun mml-insert-parameter (&rest parameters) | |
957 | "Insert PARAMETERS in a nice way." | |
c96ec15a MB |
958 | (let (start end) |
959 | (dolist (param parameters) | |
960 | (insert ";") | |
961 | (setq start (point)) | |
c113de23 | 962 | (insert " " param) |
c96ec15a MB |
963 | (setq end (point)) |
964 | (goto-char start) | |
965 | (end-of-line) | |
966 | (if (> (current-column) 76) | |
967 | (progn | |
968 | (goto-char start) | |
969 | (insert "\n") | |
970 | (goto-char (1+ end))) | |
971 | (goto-char end))))) | |
c113de23 GM |
972 | |
973 | ;;; | |
974 | ;;; Mode for inserting and editing MML forms | |
975 | ;;; | |
976 | ||
977 | (defvar mml-mode-map | |
23f87bed MB |
978 | (let ((sign (make-sparse-keymap)) |
979 | (encrypt (make-sparse-keymap)) | |
980 | (signpart (make-sparse-keymap)) | |
981 | (encryptpart (make-sparse-keymap)) | |
982 | (map (make-sparse-keymap)) | |
c113de23 | 983 | (main (make-sparse-keymap))) |
0565caeb MB |
984 | (define-key map "\C-s" 'mml-secure-message-sign) |
985 | (define-key map "\C-c" 'mml-secure-message-encrypt) | |
986 | (define-key map "\C-e" 'mml-secure-message-sign-encrypt) | |
987 | (define-key map "\C-p\C-s" 'mml-secure-sign) | |
988 | (define-key map "\C-p\C-c" 'mml-secure-encrypt) | |
23f87bed MB |
989 | (define-key sign "p" 'mml-secure-message-sign-pgpmime) |
990 | (define-key sign "o" 'mml-secure-message-sign-pgp) | |
991 | (define-key sign "s" 'mml-secure-message-sign-smime) | |
992 | (define-key signpart "p" 'mml-secure-sign-pgpmime) | |
993 | (define-key signpart "o" 'mml-secure-sign-pgp) | |
994 | (define-key signpart "s" 'mml-secure-sign-smime) | |
995 | (define-key encrypt "p" 'mml-secure-message-encrypt-pgpmime) | |
996 | (define-key encrypt "o" 'mml-secure-message-encrypt-pgp) | |
997 | (define-key encrypt "s" 'mml-secure-message-encrypt-smime) | |
998 | (define-key encryptpart "p" 'mml-secure-encrypt-pgpmime) | |
999 | (define-key encryptpart "o" 'mml-secure-encrypt-pgp) | |
1000 | (define-key encryptpart "s" 'mml-secure-encrypt-smime) | |
1001 | (define-key map "\C-n" 'mml-unsecure-message) | |
c113de23 GM |
1002 | (define-key map "f" 'mml-attach-file) |
1003 | (define-key map "b" 'mml-attach-buffer) | |
1004 | (define-key map "e" 'mml-attach-external) | |
1005 | (define-key map "q" 'mml-quote-region) | |
1006 | (define-key map "m" 'mml-insert-multipart) | |
1007 | (define-key map "p" 'mml-insert-part) | |
1008 | (define-key map "v" 'mml-validate) | |
1009 | (define-key map "P" 'mml-preview) | |
23f87bed MB |
1010 | (define-key map "s" sign) |
1011 | (define-key map "S" signpart) | |
1012 | (define-key map "c" encrypt) | |
1013 | (define-key map "C" encryptpart) | |
c113de23 | 1014 | ;;(define-key map "n" 'mml-narrow-to-part) |
23f87bed MB |
1015 | ;; `M-m' conflicts with `back-to-indentation'. |
1016 | ;; (define-key main "\M-m" map) | |
1017 | (define-key main "\C-c\C-m" map) | |
c113de23 GM |
1018 | main)) |
1019 | ||
1020 | (easy-menu-define | |
f4bb9409 | 1021 | mml-menu mml-mode-map "" |
23f87bed MB |
1022 | `("Attachments" |
1023 | ["Attach File..." mml-attach-file | |
1024 | ,@(if (featurep 'xemacs) '(t) | |
1025 | '(:help "Attach a file at point"))] | |
0565caeb MB |
1026 | ["Attach Buffer..." mml-attach-buffer |
1027 | ,@(if (featurep 'xemacs) '(t) | |
8f7abae3 | 1028 | '(:help "Attach a buffer to the outgoing message"))] |
0565caeb MB |
1029 | ["Attach External..." mml-attach-external |
1030 | ,@(if (featurep 'xemacs) '(t) | |
8f7abae3 | 1031 | '(:help "Attach reference to an external file"))] |
9b3ebcb6 MB |
1032 | ;; FIXME: Is it possible to do this without using |
1033 | ;; `gnus-gcc-externalize-attachments'? | |
1034 | ["Externalize Attachments" | |
1035 | (lambda () | |
1036 | (interactive) | |
1037 | (if (not (and (boundp 'gnus-gcc-externalize-attachments) | |
1038 | (memq gnus-gcc-externalize-attachments | |
1039 | '(all t nil)))) | |
1040 | ;; Stupid workaround for XEmacs not honoring :visible. | |
1041 | (message "Can't handle this value of `gnus-gcc-externalize-attachments'") | |
1042 | (setq gnus-gcc-externalize-attachments | |
1043 | (not gnus-gcc-externalize-attachments)) | |
1044 | (message "gnus-gcc-externalize-attachments is `%s'." | |
1045 | gnus-gcc-externalize-attachments))) | |
1046 | ;; XEmacs barfs on :visible. | |
1047 | ,@(if (featurep 'xemacs) nil | |
1048 | '(:visible (and (boundp 'gnus-gcc-externalize-attachments) | |
1049 | (memq gnus-gcc-externalize-attachments | |
1050 | '(all t nil))))) | |
1051 | :style toggle | |
1052 | :selected gnus-gcc-externalize-attachments | |
1053 | ,@(if (featurep 'xemacs) nil | |
1054 | '(:help "Save attachments as external parts in Gcc copies"))] | |
8f7abae3 | 1055 | "----" |
0565caeb MB |
1056 | ;; |
1057 | ("Change Security Method" | |
1058 | ["PGP/MIME" | |
1059 | (lambda () (interactive) (setq mml-secure-method "pgpmime")) | |
1060 | ,@(if (featurep 'xemacs) nil | |
1061 | '(:help "Set Security Method to PGP/MIME")) | |
1062 | :style radio | |
1063 | :selected (equal mml-secure-method "pgpmime") ] | |
1064 | ["S/MIME" | |
1065 | (lambda () (interactive) (setq mml-secure-method "smime")) | |
1066 | ,@(if (featurep 'xemacs) nil | |
1067 | '(:help "Set Security Method to S/MIME")) | |
1068 | :style radio | |
1069 | :selected (equal mml-secure-method "smime") ] | |
1070 | ["Inline PGP" | |
1071 | (lambda () (interactive) (setq mml-secure-method "pgp")) | |
1072 | ,@(if (featurep 'xemacs) nil | |
1073 | '(:help "Set Security Method to inline PGP")) | |
1074 | :style radio | |
1075 | :selected (equal mml-secure-method "pgp") ] ) | |
1076 | ;; | |
1077 | ["Sign Message" mml-secure-message-sign t] | |
1078 | ["Encrypt Message" mml-secure-message-encrypt t] | |
1079 | ["Sign and Encrypt Message" mml-secure-message-sign-encrypt t] | |
1080 | ["Encrypt/Sign off" mml-unsecure-message | |
1081 | ,@(if (featurep 'xemacs) '(t) | |
1082 | '(:help "Don't Encrypt/Sign Message"))] | |
8f7abae3 MB |
1083 | ;; Do we have separate encrypt and encrypt/sign commands for parts? |
1084 | ["Sign Part" mml-secure-sign t] | |
1085 | ["Encrypt Part" mml-secure-encrypt t] | |
1086 | "----" | |
0565caeb MB |
1087 | ;; Maybe we could remove these, because people who write MML most probably |
1088 | ;; don't use the menu: | |
1089 | ["Insert Part..." mml-insert-part | |
1090 | :active (message-in-body-p)] | |
1091 | ["Insert Multipart..." mml-insert-multipart | |
1092 | :active (message-in-body-p)] | |
1093 | ;; | |
f4bb9409 | 1094 | ;;["Narrow" mml-narrow-to-part t] |
0565caeb MB |
1095 | ["Quote MML in region" mml-quote-region |
1096 | :active (message-mark-active-p) | |
1097 | ,@(if (featurep 'xemacs) nil | |
1098 | '(:help "Quote MML tags in region"))] | |
23f87bed | 1099 | ["Validate MML" mml-validate t] |
7347faa8 MB |
1100 | ["Preview" mml-preview t] |
1101 | "----" | |
1102 | ["Emacs MIME manual" (lambda () (interactive) (message-info 4)) | |
1103 | ,@(if (featurep 'xemacs) '(t) | |
1104 | '(:help "Display the Emacs MIME manual"))] | |
9b3ebcb6 MB |
1105 | ["PGG manual" (lambda () (interactive) (message-info mml2015-use)) |
1106 | ;; XEmacs barfs on :visible. | |
1107 | ,@(if (featurep 'xemacs) nil | |
1108 | '(:visible (equal mml2015-use 'pgg))) | |
1109 | ,@(if (featurep 'xemacs) '(t) | |
1110 | '(:help "Display the PGG manual"))] | |
1111 | ["EasyPG manual" (lambda () (interactive) (message-info mml2015-use)) | |
1112 | ;; XEmacs barfs on :visible. | |
1113 | ,@(if (featurep 'xemacs) nil | |
1114 | '(:visible (equal mml2015-use 'epg))) | |
7347faa8 | 1115 | ,@(if (featurep 'xemacs) '(t) |
9b3ebcb6 | 1116 | '(:help "Display the EasyPG manual"))])) |
c113de23 GM |
1117 | |
1118 | (defvar mml-mode nil | |
1119 | "Minor mode for editing MML.") | |
1120 | ||
1121 | (defun mml-mode (&optional arg) | |
1122 | "Minor mode for editing MML. | |
23f87bed MB |
1123 | MML is the MIME Meta Language, a minor mode for composing MIME articles. |
1124 | See Info node `(emacs-mime)Composing'. | |
c113de23 GM |
1125 | |
1126 | \\{mml-mode-map}" | |
1127 | (interactive "P") | |
23f87bed MB |
1128 | (when (set (make-local-variable 'mml-mode) |
1129 | (if (null arg) (not mml-mode) | |
1130 | (> (prefix-numeric-value arg) 0))) | |
0565caeb | 1131 | (add-minor-mode 'mml-mode " MML" mml-mode-map) |
23f87bed | 1132 | (easy-menu-add mml-menu mml-mode-map) |
0565caeb MB |
1133 | (when (boundp 'dnd-protocol-alist) |
1134 | (set (make-local-variable 'dnd-protocol-alist) | |
1135 | (append mml-dnd-protocol-alist dnd-protocol-alist))) | |
23f87bed | 1136 | (run-hooks 'mml-mode-hook))) |
c113de23 GM |
1137 | |
1138 | ;;; | |
1139 | ;;; Helper functions for reading MIME stuff from the minibuffer and | |
1140 | ;;; inserting stuff to the buffer. | |
1141 | ;;; | |
1142 | ||
01c52d31 MB |
1143 | (defcustom mml-default-directory mm-default-directory |
1144 | "The default directory where mml will find files. | |
1145 | If not set, `default-directory' will be used." | |
1146 | :type '(choice directory (const :tag "Default" nil)) | |
330f707b | 1147 | :version "23.1" ;; No Gnus |
01c52d31 MB |
1148 | :group 'message) |
1149 | ||
c113de23 | 1150 | (defun mml-minibuffer-read-file (prompt) |
23f87bed | 1151 | (let* ((completion-ignored-extensions nil) |
01c52d31 MB |
1152 | (file (read-file-name prompt |
1153 | (or mml-default-directory default-directory) | |
1154 | nil t))) | |
23f87bed | 1155 | ;; Prevent some common errors. This is inspired by similar code in |
c113de23 GM |
1156 | ;; VM. |
1157 | (when (file-directory-p file) | |
1158 | (error "%s is a directory, cannot attach" file)) | |
1159 | (unless (file-exists-p file) | |
1160 | (error "No such file: %s" file)) | |
1161 | (unless (file-readable-p file) | |
1162 | (error "Permission denied: %s" file)) | |
1163 | file)) | |
1164 | ||
1165 | (defun mml-minibuffer-read-type (name &optional default) | |
1166 | (mailcap-parse-mimetypes) | |
1167 | (let* ((default (or default | |
1168 | (mm-default-file-encoding name) | |
1169 | ;; Perhaps here we should check what the file | |
1170 | ;; looks like, and offer text/plain if it looks | |
1171 | ;; like text/plain. | |
1172 | "application/octet-stream")) | |
1173 | (string (completing-read | |
1174 | (format "Content type (default %s): " default) | |
8538cc2a | 1175 | (mapcar 'list (mailcap-mime-types))))) |
c113de23 GM |
1176 | (if (not (equal string "")) |
1177 | string | |
1178 | default))) | |
1179 | ||
1180 | (defun mml-minibuffer-read-description () | |
1181 | (let ((description (read-string "One line description: "))) | |
1182 | (when (string-match "\\`[ \t]*\\'" description) | |
1183 | (setq description nil)) | |
1184 | description)) | |
1185 | ||
01c52d31 MB |
1186 | (defun mml-minibuffer-read-disposition (type &optional default filename) |
1187 | (unless default | |
1188 | (setq default (mml-content-disposition type filename))) | |
af5e96cd | 1189 | (let ((disposition (completing-read |
01c52d31 MB |
1190 | (format "Disposition (default %s): " default) |
1191 | '(("attachment") ("inline") ("")) | |
1192 | nil t nil nil default))) | |
23f87bed MB |
1193 | (if (not (equal disposition "")) |
1194 | disposition | |
1195 | default))) | |
1196 | ||
c113de23 GM |
1197 | (defun mml-quote-region (beg end) |
1198 | "Quote the MML tags in the region." | |
1199 | (interactive "r") | |
1200 | (save-excursion | |
1201 | (save-restriction | |
1202 | ;; Temporarily narrow the region to defend from changes | |
1203 | ;; invalidating END. | |
1204 | (narrow-to-region beg end) | |
1205 | (goto-char (point-min)) | |
1206 | ;; Quote parts. | |
1207 | (while (re-search-forward | |
1208 | "<#!*/?\\(multipart\\|part\\|external\\|mml\\)" nil t) | |
1209 | ;; Insert ! after the #. | |
1210 | (goto-char (+ (match-beginning 0) 2)) | |
1211 | (insert "!"))))) | |
1212 | ||
1213 | (defun mml-insert-tag (name &rest plist) | |
1214 | "Insert an MML tag described by NAME and PLIST." | |
1215 | (when (symbolp name) | |
1216 | (setq name (symbol-name name))) | |
1217 | (insert "<#" name) | |
1218 | (while plist | |
1219 | (let ((key (pop plist)) | |
1220 | (value (pop plist))) | |
1221 | (when value | |
1222 | ;; Quote VALUE if it contains suspicious characters. | |
1223 | (when (string-match "[\"'\\~/*;() \t\n]" value) | |
23f87bed MB |
1224 | (setq value (with-output-to-string |
1225 | (let (print-escape-nonascii) | |
1226 | (prin1 value))))) | |
c113de23 GM |
1227 | (insert (format " %s=%s" key value))))) |
1228 | (insert ">\n")) | |
1229 | ||
1230 | (defun mml-insert-empty-tag (name &rest plist) | |
1231 | "Insert an empty MML tag described by NAME and PLIST." | |
1232 | (when (symbolp name) | |
1233 | (setq name (symbol-name name))) | |
1234 | (apply #'mml-insert-tag name plist) | |
1235 | (insert "<#/" name ">\n")) | |
1236 | ||
1237 | ;;; Attachment functions. | |
1238 | ||
0565caeb MB |
1239 | (defcustom mml-dnd-protocol-alist |
1240 | '(("^file:///" . mml-dnd-attach-file) | |
1241 | ("^file://" . dnd-open-file) | |
1242 | ("^file:" . mml-dnd-attach-file)) | |
1243 | "The functions to call when a drop in `mml-mode' is made. | |
1244 | See `dnd-protocol-alist' for more information. When nil, behave | |
1245 | as in other buffers." | |
1246 | :type '(choice (repeat (cons (regexp) (function))) | |
1247 | (const :tag "Behave as in other buffers" nil)) | |
1248 | :version "22.1" ;; Gnus 5.10.9 | |
1249 | :group 'message) | |
1250 | ||
1251 | (defcustom mml-dnd-attach-options nil | |
1252 | "Which options should be queried when attaching a file via drag and drop. | |
1253 | ||
1254 | If it is a list, valid members are `type', `description' and | |
1255 | `disposition'. `disposition' implies `type'. If it is nil, | |
1256 | don't ask for options. If it is t, ask the user whether or not | |
1257 | to specify options." | |
1258 | :type '(choice | |
8f7abae3 | 1259 | (const :tag "None" nil) |
0565caeb MB |
1260 | (const :tag "Query" t) |
1261 | (list :value (type description disposition) | |
1262 | (set :inline t | |
1263 | (const type) | |
1264 | (const description) | |
1265 | (const disposition)))) | |
1266 | :version "22.1" ;; Gnus 5.10.9 | |
1267 | :group 'message) | |
1268 | ||
23f87bed | 1269 | (defun mml-attach-file (file &optional type description disposition) |
c113de23 GM |
1270 | "Attach a file to the outgoing MIME message. |
1271 | The file is not inserted or encoded until you send the message with | |
1272 | `\\[message-send-and-exit]' or `\\[message-send]'. | |
1273 | ||
7347faa8 MB |
1274 | FILE is the name of the file to attach. TYPE is its |
1275 | content-type, a string of the form \"type/subtype\". DESCRIPTION | |
1276 | is a one-line description of the attachment. The DISPOSITION | |
1277 | specifies how the attachment is intended to be displayed. It can | |
1278 | be either \"inline\" (displayed automatically within the message | |
1279 | body) or \"attachment\" (separate from the body)." | |
c113de23 GM |
1280 | (interactive |
1281 | (let* ((file (mml-minibuffer-read-file "Attach file: ")) | |
1282 | (type (mml-minibuffer-read-type file)) | |
23f87bed | 1283 | (description (mml-minibuffer-read-description)) |
01c52d31 | 1284 | (disposition (mml-minibuffer-read-disposition type nil file))) |
23f87bed | 1285 | (list file type description disposition))) |
0565caeb MB |
1286 | (save-excursion |
1287 | (unless (message-in-body-p) (goto-char (point-max))) | |
1288 | (mml-insert-empty-tag 'part | |
1289 | 'type type | |
1290 | 'filename file | |
1291 | 'disposition (or disposition "attachment") | |
1292 | 'description description))) | |
1293 | ||
1294 | (defun mml-dnd-attach-file (uri action) | |
1295 | "Attach a drag and drop file. | |
1296 | ||
1297 | Ask for type, description or disposition according to | |
1298 | `mml-dnd-attach-options'." | |
1299 | (let ((file (dnd-get-local-file-name uri t))) | |
1300 | (when (and file (file-regular-p file)) | |
1301 | (let ((mml-dnd-attach-options mml-dnd-attach-options) | |
1302 | type description disposition) | |
1303 | (setq mml-dnd-attach-options | |
1304 | (when (and (eq mml-dnd-attach-options t) | |
1305 | (not | |
1306 | (y-or-n-p | |
1307 | "Use default type, disposition and description? "))) | |
1308 | '(type description disposition))) | |
1309 | (when (or (memq 'type mml-dnd-attach-options) | |
1310 | (memq 'disposition mml-dnd-attach-options)) | |
1311 | (setq type (mml-minibuffer-read-type file))) | |
1312 | (when (memq 'description mml-dnd-attach-options) | |
1313 | (setq description (mml-minibuffer-read-description))) | |
1314 | (when (memq 'disposition mml-dnd-attach-options) | |
01c52d31 | 1315 | (setq disposition (mml-minibuffer-read-disposition type nil file))) |
0565caeb | 1316 | (mml-attach-file file type description disposition))))) |
c113de23 GM |
1317 | |
1318 | (defun mml-attach-buffer (buffer &optional type description) | |
1319 | "Attach a buffer to the outgoing MIME message. | |
1320 | See `mml-attach-file' for details of operation." | |
1321 | (interactive | |
1322 | (let* ((buffer (read-buffer "Attach buffer: ")) | |
1323 | (type (mml-minibuffer-read-type buffer "text/plain")) | |
1324 | (description (mml-minibuffer-read-description))) | |
1325 | (list buffer type description))) | |
0565caeb MB |
1326 | (save-excursion |
1327 | (unless (message-in-body-p) (goto-char (point-max))) | |
1328 | (mml-insert-empty-tag 'part 'type type 'buffer buffer | |
1329 | 'disposition "attachment" | |
1330 | 'description description))) | |
c113de23 GM |
1331 | |
1332 | (defun mml-attach-external (file &optional type description) | |
1333 | "Attach an external file into the buffer. | |
1334 | FILE is an ange-ftp/efs specification of the part location. | |
1335 | TYPE is the MIME type to use." | |
1336 | (interactive | |
1337 | (let* ((file (mml-minibuffer-read-file "Attach external file: ")) | |
1338 | (type (mml-minibuffer-read-type file)) | |
1339 | (description (mml-minibuffer-read-description))) | |
1340 | (list file type description))) | |
0565caeb MB |
1341 | (save-excursion |
1342 | (unless (message-in-body-p) (goto-char (point-max))) | |
1343 | (mml-insert-empty-tag 'external 'type type 'name file | |
1344 | 'disposition "attachment" 'description description))) | |
c113de23 GM |
1345 | |
1346 | (defun mml-insert-multipart (&optional type) | |
1347 | (interactive (list (completing-read "Multipart type (default mixed): " | |
1348 | '(("mixed") ("alternative") ("digest") ("parallel") | |
1349 | ("signed") ("encrypted")) | |
1350 | nil nil "mixed"))) | |
1351 | (or type | |
1352 | (setq type "mixed")) | |
1353 | (mml-insert-empty-tag "multipart" 'type type) | |
1354 | (forward-line -1)) | |
1355 | ||
1356 | (defun mml-insert-part (&optional type) | |
1357 | (interactive | |
1358 | (list (mml-minibuffer-read-type ""))) | |
1359 | (mml-insert-tag 'part 'type type 'disposition "inline") | |
1360 | (forward-line -1)) | |
1361 | ||
541cbf8b GM |
1362 | (declare-function message-subscribed-p "message" ()) |
1363 | (declare-function message-make-mail-followup-to "message" | |
1364 | (&optional only-show-subscribed)) | |
1365 | (declare-function message-position-on-field "message" (header &rest afters)) | |
1366 | ||
23f87bed MB |
1367 | (defun mml-preview-insert-mail-followup-to () |
1368 | "Insert a Mail-Followup-To header before previewing an article. | |
1369 | Should be adopted if code in `message-send-mail' is changed." | |
1370 | (when (and (message-mail-p) | |
1371 | (message-subscribed-p) | |
1372 | (not (mail-fetch-field "mail-followup-to")) | |
1373 | (message-make-mail-followup-to)) | |
1374 | (message-position-on-field "Mail-Followup-To" "X-Draft-From") | |
1375 | (insert (message-make-mail-followup-to)))) | |
1376 | ||
01c52d31 MB |
1377 | (defvar mml-preview-buffer nil) |
1378 | ||
5ab56288 GM |
1379 | (autoload 'gnus-make-hashtable "gnus-util") |
1380 | (autoload 'widget-button-press "wid-edit" nil t) | |
1381 | (declare-function widget-event-point "wid-edit" (event)) | |
1382 | ;; If gnus-buffer-configuration is bound this is loaded. | |
1383 | (declare-function gnus-configure-windows "gnus-win" (setting &optional force)) | |
541cbf8b GM |
1384 | ;; Called after message-mail-p, which autoloads message. |
1385 | (declare-function message-news-p "message" ()) | |
1386 | (declare-function message-options-set-recipient "message" ()) | |
1387 | (declare-function message-generate-headers "message" (headers)) | |
1388 | (declare-function message-sort-headers "message" ()) | |
5ab56288 | 1389 | |
c113de23 GM |
1390 | (defun mml-preview (&optional raw) |
1391 | "Display current buffer with Gnus, in a new buffer. | |
01c52d31 MB |
1392 | If RAW, display a raw encoded MIME message. |
1393 | ||
1394 | The window layout for the preview buffer is controled by the variables | |
1395 | `special-display-buffer-names', `special-display-regexps', or | |
1396 | `gnus-buffer-configuration' (the first match made will be used), | |
1397 | or the `pop-to-buffer' function." | |
c113de23 | 1398 | (interactive "P") |
01c52d31 MB |
1399 | (setq mml-preview-buffer (generate-new-buffer |
1400 | (concat (if raw "*Raw MIME preview of " | |
1401 | "*MIME preview of ") (buffer-name)))) | |
23f87bed MB |
1402 | (save-excursion |
1403 | (let* ((buf (current-buffer)) | |
1404 | (message-options message-options) | |
1405 | (message-this-is-mail (message-mail-p)) | |
1406 | (message-this-is-news (message-news-p)) | |
1407 | (message-posting-charset (or (gnus-setup-posting-charset | |
1408 | (save-restriction | |
1409 | (message-narrow-to-headers-or-head) | |
1410 | (message-fetch-field "Newsgroups"))) | |
1411 | message-posting-charset))) | |
1412 | (message-options-set-recipient) | |
23f87bed | 1413 | (when (boundp 'gnus-buffers) |
01c52d31 MB |
1414 | (push mml-preview-buffer gnus-buffers)) |
1415 | (save-restriction | |
1416 | (widen) | |
1417 | (set-buffer mml-preview-buffer) | |
1418 | (erase-buffer) | |
1419 | (insert-buffer-substring buf)) | |
23f87bed MB |
1420 | (mml-preview-insert-mail-followup-to) |
1421 | (let ((message-deletable-headers (if (message-news-p) | |
1422 | nil | |
1423 | message-deletable-headers))) | |
1424 | (message-generate-headers | |
1425 | (copy-sequence (if (message-news-p) | |
1426 | message-required-news-headers | |
1427 | message-required-mail-headers)))) | |
1428 | (if (re-search-forward | |
1429 | (concat "^" (regexp-quote mail-header-separator) "\n") nil t) | |
1430 | (replace-match "\n")) | |
1431 | (let ((mail-header-separator ""));; mail-header-separator is removed. | |
01c52d31 | 1432 | (message-sort-headers) |
23f87bed MB |
1433 | (mml-to-mime)) |
1434 | (if raw | |
1435 | (when (fboundp 'set-buffer-multibyte) | |
1436 | (let ((s (buffer-string))) | |
1437 | ;; Insert the content into unibyte buffer. | |
1438 | (erase-buffer) | |
1439 | (mm-disable-multibyte) | |
1440 | (insert s))) | |
1441 | (let ((gnus-newsgroup-charset (car message-posting-charset)) | |
1442 | gnus-article-prepare-hook gnus-original-article-buffer) | |
1443 | (run-hooks 'gnus-article-decode-hook) | |
1444 | (let ((gnus-newsgroup-name "dummy") | |
1445 | (gnus-newsrc-hashtb (or gnus-newsrc-hashtb | |
1446 | (gnus-make-hashtable 5)))) | |
1447 | (gnus-article-prepare-display)))) | |
1448 | ;; Disable article-mode-map. | |
1449 | (use-local-map nil) | |
1450 | (gnus-make-local-hook 'kill-buffer-hook) | |
1451 | (add-hook 'kill-buffer-hook | |
1452 | (lambda () | |
1453 | (mm-destroy-parts gnus-article-mime-handles)) nil t) | |
1454 | (setq buffer-read-only t) | |
1455 | (local-set-key "q" (lambda () (interactive) (kill-buffer nil))) | |
1456 | (local-set-key "=" (lambda () (interactive) (delete-other-windows))) | |
1457 | (local-set-key "\r" | |
1458 | (lambda () | |
1459 | (interactive) | |
1460 | (widget-button-press (point)))) | |
1461 | (local-set-key gnus-mouse-2 | |
1462 | (lambda (event) | |
1463 | (interactive "@e") | |
1464 | (widget-button-press (widget-event-point event) event))) | |
01c52d31 MB |
1465 | ;; FIXME: Buffer is in article mode, but most tool bar commands won't |
1466 | ;; work. Maybe only keep the following icons: search, print, quit | |
1467 | (goto-char (point-min)))) | |
1468 | (if (and (not (mm-special-display-p (buffer-name mml-preview-buffer))) | |
1469 | (boundp 'gnus-buffer-configuration) | |
1470 | (assq 'mml-preview gnus-buffer-configuration)) | |
1471 | (let ((gnus-message-buffer (current-buffer))) | |
1472 | (gnus-configure-windows 'mml-preview)) | |
1473 | (pop-to-buffer mml-preview-buffer))) | |
c113de23 GM |
1474 | |
1475 | (defun mml-validate () | |
1476 | "Validate the current MML document." | |
1477 | (interactive) | |
1478 | (mml-parse)) | |
1479 | ||
23f87bed MB |
1480 | (defun mml-tweak-part (cont) |
1481 | "Tweak a MML part." | |
1482 | (let ((tweak (cdr (assq 'tweak cont))) | |
1483 | func) | |
1484 | (cond | |
1485 | (tweak | |
1486 | (setq func | |
1487 | (or (cdr (assoc tweak mml-tweak-function-alist)) | |
1488 | (intern tweak)))) | |
1489 | (mml-tweak-type-alist | |
1490 | (let ((alist mml-tweak-type-alist) | |
1491 | (type (or (cdr (assq 'type cont)) "text/plain"))) | |
1492 | (while alist | |
1493 | (if (string-match (caar alist) type) | |
1494 | (setq func (cdar alist) | |
1495 | alist nil) | |
1496 | (setq alist (cdr alist))))))) | |
1497 | (if func | |
1498 | (funcall func cont) | |
1499 | cont) | |
1500 | (let ((alist mml-tweak-sexp-alist)) | |
1501 | (while alist | |
1502 | (if (eval (caar alist)) | |
1503 | (funcall (cdar alist) cont)) | |
1504 | (setq alist (cdr alist))))) | |
1505 | cont) | |
1506 | ||
1507 | (defun mml-tweak-externalize-attachments (cont) | |
1508 | "Tweak attached files as external parts." | |
1509 | (let (filename-cons) | |
1510 | (when (and (eq (car cont) 'part) | |
1511 | (not (cdr (assq 'buffer cont))) | |
1512 | (and (setq filename-cons (assq 'filename cont)) | |
1513 | (not (equal (cdr (assq 'nofile cont)) "yes")))) | |
1514 | (setcar cont 'external) | |
1515 | (setcar filename-cons 'name)))) | |
1516 | ||
c113de23 GM |
1517 | (provide 'mml) |
1518 | ||
cbee283d | 1519 | ;; arch-tag: 583c96cf-1ffe-451b-a5e5-4733ae9ddd12 |
c113de23 | 1520 | ;;; mml.el ends here |