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74f50695 | 1 | ;;; epa.el --- the EasyPG Assistant -*- lexical-binding: t -*- |
e9bffc61 | 2 | |
ab422c4d | 3 | ;; Copyright (C) 2006-2013 Free Software Foundation, Inc. |
c154c0be MO |
4 | |
5 | ;; Author: Daiki Ueno <ueno@unixuser.org> | |
6 | ;; Keywords: PGP, GnuPG | |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
eb3fa2cf | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
c154c0be | 11 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
13 | ;; (at your option) any later version. | |
c154c0be MO |
14 | |
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
eb3fa2cf | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
c154c0be MO |
22 | |
23 | ;;; Code: | |
24 | ||
25 | (require 'epg) | |
26 | (require 'font-lock) | |
27 | (require 'widget) | |
28 | (eval-when-compile (require 'wid-edit)) | |
29 | (require 'derived) | |
30 | ||
31 | (defgroup epa nil | |
32 | "The EasyPG Assistant" | |
0bd4f317 | 33 | :version "23.1" |
c154c0be MO |
34 | :group 'epg) |
35 | ||
36 | (defcustom epa-popup-info-window t | |
aec7da77 | 37 | "If non-nil, display status information from epa commands in another window." |
c154c0be MO |
38 | :type 'boolean |
39 | :group 'epa) | |
40 | ||
41 | (defcustom epa-info-window-height 5 | |
42 | "Number of lines used to display status information." | |
43 | :type 'integer | |
44 | :group 'epa) | |
45 | ||
46 | (defgroup epa-faces nil | |
47 | "Faces for epa-mode." | |
0bd4f317 | 48 | :version "23.1" |
c154c0be MO |
49 | :group 'epa) |
50 | ||
b1fb3596 RS |
51 | (defcustom epa-mail-aliases nil |
52 | "Alist of aliases of email addresses that stand for encryption keys. | |
53 | Each element is (ALIAS EXPANSIONS...). | |
54 | It means that when a message is addressed to ALIAS, | |
55 | instead of encrypting it for ALIAS, encrypt it for EXPANSIONS... | |
56 | If EXPANSIONS is empty, ignore ALIAS as regards encryption. | |
57 | That is a handy way to avoid warnings about addresses | |
58 | that you don't have any key for." | |
59 | :type '(repeat (cons (string :tag "Alias") (repeat '(string :tag "Expansion")))) | |
60 | :group 'epa | |
61 | :version "24.4") | |
62 | ||
c154c0be | 63 | (defface epa-validity-high |
4b56d0fe CY |
64 | '((default :weight bold) |
65 | (((class color) (background dark)) :foreground "PaleTurquoise")) | |
66 | "Face for high validity EPA information." | |
c154c0be MO |
67 | :group 'epa-faces) |
68 | ||
69 | (defface epa-validity-medium | |
4b56d0fe CY |
70 | '((default :slant italic) |
71 | (((class color) (background dark)) :foreground "PaleTurquoise")) | |
72 | "Face for medium validity EPA information." | |
c154c0be MO |
73 | :group 'epa-faces) |
74 | ||
75 | (defface epa-validity-low | |
4b56d0fe | 76 | '((t :slant italic)) |
c154c0be MO |
77 | "Face used for displaying the low validity." |
78 | :group 'epa-faces) | |
79 | ||
80 | (defface epa-validity-disabled | |
4b56d0fe | 81 | '((t :slant italic :inverse-video t)) |
c154c0be MO |
82 | "Face used for displaying the disabled validity." |
83 | :group 'epa-faces) | |
84 | ||
85 | (defface epa-string | |
86 | '((((class color) (background dark)) | |
4b56d0fe | 87 | :foreground "lightyellow") |
c154c0be | 88 | (((class color) (background light)) |
4b56d0fe | 89 | :foreground "blue4")) |
c154c0be MO |
90 | "Face used for displaying the string." |
91 | :group 'epa-faces) | |
92 | ||
93 | (defface epa-mark | |
4b56d0fe CY |
94 | '((default :weight bold) |
95 | (((class color) (background dark)) :foreground "orange") | |
96 | (((class color) (background light)) :foreground "red")) | |
c154c0be MO |
97 | "Face used for displaying the high validity." |
98 | :group 'epa-faces) | |
99 | ||
100 | (defface epa-field-name | |
4b56d0fe CY |
101 | '((default :weight bold) |
102 | (((class color) (background dark)) :foreground "PaleTurquoise")) | |
c154c0be MO |
103 | "Face for the name of the attribute field." |
104 | :group 'epa) | |
105 | ||
106 | (defface epa-field-body | |
4b56d0fe CY |
107 | '((default :slant italic) |
108 | (((class color) (background dark)) :foreground "turquoise")) | |
c154c0be MO |
109 | "Face for the body of the attribute field." |
110 | :group 'epa) | |
111 | ||
112 | (defcustom epa-validity-face-alist | |
113 | '((unknown . epa-validity-disabled) | |
114 | (invalid . epa-validity-disabled) | |
115 | (disabled . epa-validity-disabled) | |
116 | (revoked . epa-validity-disabled) | |
117 | (expired . epa-validity-disabled) | |
118 | (none . epa-validity-low) | |
119 | (undefined . epa-validity-low) | |
120 | (never . epa-validity-low) | |
121 | (marginal . epa-validity-medium) | |
122 | (full . epa-validity-high) | |
123 | (ultimate . epa-validity-high)) | |
124 | "An alist mapping validity values to faces." | |
125 | :type '(repeat (cons symbol face)) | |
126 | :group 'epa) | |
127 | ||
128 | (defvar epa-font-lock-keywords | |
129 | '(("^\\*" | |
130 | (0 'epa-mark)) | |
131 | ("^\t\\([^\t:]+:\\)[ \t]*\\(.*\\)$" | |
132 | (1 'epa-field-name) | |
133 | (2 'epa-field-body))) | |
134 | "Default expressions to addon in epa-mode.") | |
135 | ||
136 | (defconst epa-pubkey-algorithm-letter-alist | |
137 | '((1 . ?R) | |
138 | (2 . ?r) | |
139 | (3 . ?s) | |
140 | (16 . ?g) | |
141 | (17 . ?D) | |
142 | (20 . ?G))) | |
143 | ||
144 | (defvar epa-protocol 'OpenPGP | |
fb7ada5f | 145 | "The default protocol. |
c154c0be MO |
146 | The value can be either OpenPGP or CMS. |
147 | ||
148 | You should bind this variable with `let', but do not set it globally.") | |
149 | ||
150 | (defvar epa-armor nil | |
fb7ada5f | 151 | "If non-nil, epa commands create ASCII armored output. |
c154c0be MO |
152 | |
153 | You should bind this variable with `let', but do not set it globally.") | |
154 | ||
155 | (defvar epa-textmode nil | |
fb7ada5f | 156 | "If non-nil, epa commands treat input files as text. |
c154c0be MO |
157 | |
158 | You should bind this variable with `let', but do not set it globally.") | |
159 | ||
160 | (defvar epa-keys-buffer nil) | |
161 | (defvar epa-key-buffer-alist nil) | |
162 | (defvar epa-key nil) | |
163 | (defvar epa-list-keys-arguments nil) | |
164 | (defvar epa-info-buffer nil) | |
165 | (defvar epa-last-coding-system-specified nil) | |
166 | ||
167 | (defvar epa-key-list-mode-map | |
dc9b613e GM |
168 | (let ((keymap (make-sparse-keymap)) |
169 | (menu-map (make-sparse-keymap))) | |
c154c0be MO |
170 | (define-key keymap "m" 'epa-mark-key) |
171 | (define-key keymap "u" 'epa-unmark-key) | |
172 | (define-key keymap "d" 'epa-decrypt-file) | |
173 | (define-key keymap "v" 'epa-verify-file) | |
174 | (define-key keymap "s" 'epa-sign-file) | |
175 | (define-key keymap "e" 'epa-encrypt-file) | |
176 | (define-key keymap "r" 'epa-delete-keys) | |
177 | (define-key keymap "i" 'epa-import-keys) | |
178 | (define-key keymap "o" 'epa-export-keys) | |
179 | (define-key keymap "g" 'revert-buffer) | |
180 | (define-key keymap "n" 'next-line) | |
181 | (define-key keymap "p" 'previous-line) | |
ce3cefcc | 182 | (define-key keymap " " 'scroll-up-command) |
958614cf | 183 | (define-key keymap [?\S-\ ] 'scroll-down-command) |
ce3cefcc | 184 | (define-key keymap [delete] 'scroll-down-command) |
c154c0be | 185 | (define-key keymap "q" 'epa-exit-buffer) |
dc9b613e | 186 | (define-key keymap [menu-bar epa-key-list-mode] (cons "Keys" menu-map)) |
703b9611 DN |
187 | (define-key menu-map [epa-key-list-unmark-key] |
188 | '(menu-item "Unmark Key" epa-unmark-key | |
189 | :help "Unmark a key")) | |
190 | (define-key menu-map [epa-key-list-mark-key] | |
191 | '(menu-item "Mark Key" epa-mark-key | |
192 | :help "Mark a key")) | |
193 | (define-key menu-map [separator-epa-file] '(menu-item "--")) | |
194 | (define-key menu-map [epa-verify-file] | |
195 | '(menu-item "Verify File..." epa-verify-file | |
196 | :help "Verify FILE")) | |
197 | (define-key menu-map [epa-sign-file] | |
198 | '(menu-item "Sign File..." epa-sign-file | |
199 | :help "Sign FILE by SIGNERS keys selected")) | |
200 | (define-key menu-map [epa-decrypt-file] | |
201 | '(menu-item "Decrypt File..." epa-decrypt-file | |
202 | :help "Decrypt FILE")) | |
203 | (define-key menu-map [epa-encrypt-file] | |
d88444f2 | 204 | '(menu-item "Encrypt File..." epa-encrypt-file |
703b9611 DN |
205 | :help "Encrypt FILE for RECIPIENTS")) |
206 | (define-key menu-map [separator-epa-key-list] '(menu-item "--")) | |
dc9b613e | 207 | (define-key menu-map [epa-key-list-delete-keys] |
7cc6e154 | 208 | '(menu-item "Delete Keys" epa-delete-keys |
703b9611 | 209 | :help "Delete Marked Keys")) |
dc9b613e | 210 | (define-key menu-map [epa-key-list-import-keys] |
703b9611 | 211 | '(menu-item "Import Keys" epa-import-keys |
dc9b613e GM |
212 | :help "Import keys from a file")) |
213 | (define-key menu-map [epa-key-list-export-keys] | |
703b9611 | 214 | '(menu-item "Export Keys" epa-export-keys |
dc9b613e | 215 | :help "Export marked keys to a file")) |
c154c0be MO |
216 | keymap)) |
217 | ||
218 | (defvar epa-key-mode-map | |
219 | (let ((keymap (make-sparse-keymap))) | |
220 | (define-key keymap "q" 'epa-exit-buffer) | |
221 | keymap)) | |
222 | ||
223 | (defvar epa-info-mode-map | |
224 | (let ((keymap (make-sparse-keymap))) | |
225 | (define-key keymap "q" 'delete-window) | |
226 | keymap)) | |
227 | ||
228 | (defvar epa-exit-buffer-function #'bury-buffer) | |
229 | ||
230 | (define-widget 'epa-key 'push-button | |
231 | "Button for representing a epg-key object." | |
232 | :format "%[%v%]" | |
233 | :button-face-get 'epa--key-widget-button-face-get | |
234 | :value-create 'epa--key-widget-value-create | |
235 | :action 'epa--key-widget-action | |
236 | :help-echo 'epa--key-widget-help-echo) | |
237 | ||
74f50695 | 238 | (defun epa--key-widget-action (widget &optional _event) |
a648af17 DU |
239 | (save-selected-window |
240 | (epa--show-key (widget-get widget :value)))) | |
c154c0be MO |
241 | |
242 | (defun epa--key-widget-value-create (widget) | |
243 | (let* ((key (widget-get widget :value)) | |
244 | (primary-sub-key (car (epg-key-sub-key-list key))) | |
245 | (primary-user-id (car (epg-key-user-id-list key)))) | |
246 | (insert (format "%c " | |
247 | (if (epg-sub-key-validity primary-sub-key) | |
248 | (car (rassq (epg-sub-key-validity primary-sub-key) | |
249 | epg-key-validity-alist)) | |
250 | ? )) | |
251 | (epg-sub-key-id primary-sub-key) | |
252 | " " | |
253 | (if primary-user-id | |
254 | (if (stringp (epg-user-id-string primary-user-id)) | |
255 | (epg-user-id-string primary-user-id) | |
256 | (epg-decode-dn (epg-user-id-string primary-user-id))) | |
257 | "")))) | |
258 | ||
259 | (defun epa--key-widget-button-face-get (widget) | |
260 | (let ((validity (epg-sub-key-validity (car (epg-key-sub-key-list | |
261 | (widget-get widget :value)))))) | |
262 | (if validity | |
263 | (cdr (assq validity epa-validity-face-alist)) | |
264 | 'default))) | |
265 | ||
266 | (defun epa--key-widget-help-echo (widget) | |
267 | (format "Show %s" | |
268 | (epg-sub-key-id (car (epg-key-sub-key-list | |
269 | (widget-get widget :value)))))) | |
270 | ||
86cf7329 SM |
271 | (defalias 'epa--encode-coding-string |
272 | (if (fboundp 'encode-coding-string) #'encode-coding-string #'identity)) | |
c154c0be | 273 | |
86cf7329 SM |
274 | (defalias 'epa--decode-coding-string |
275 | (if (fboundp 'decode-coding-string) #'decode-coding-string #'identity)) | |
c154c0be | 276 | |
86cf7329 | 277 | (define-derived-mode epa-key-list-mode special-mode "Keys" |
c154c0be | 278 | "Major mode for `epa-list-keys'." |
c154c0be | 279 | (buffer-disable-undo) |
86cf7329 | 280 | (setq truncate-lines t |
c154c0be | 281 | buffer-read-only t) |
86cf7329 | 282 | (setq-local font-lock-defaults '(epa-font-lock-keywords t)) |
c154c0be MO |
283 | ;; In XEmacs, auto-initialization of font-lock is not effective |
284 | ;; if buffer-file-name is not set. | |
285 | (font-lock-set-defaults) | |
286 | (make-local-variable 'epa-exit-buffer-function) | |
86cf7329 | 287 | (setq-local revert-buffer-function #'epa--key-list-revert-buffer)) |
c154c0be | 288 | |
86cf7329 | 289 | (define-derived-mode epa-key-mode special-mode "Key" |
c154c0be | 290 | "Major mode for a key description." |
c154c0be | 291 | (buffer-disable-undo) |
86cf7329 | 292 | (setq truncate-lines t |
c154c0be | 293 | buffer-read-only t) |
86cf7329 | 294 | (setq-local font-lock-defaults '(epa-font-lock-keywords t)) |
c154c0be MO |
295 | ;; In XEmacs, auto-initialization of font-lock is not effective |
296 | ;; if buffer-file-name is not set. | |
297 | (font-lock-set-defaults) | |
86cf7329 | 298 | (make-local-variable 'epa-exit-buffer-function)) |
c154c0be | 299 | |
86cf7329 | 300 | (define-derived-mode epa-info-mode special-mode "Info" |
c154c0be | 301 | "Major mode for `epa-info-buffer'." |
c154c0be | 302 | (buffer-disable-undo) |
86cf7329 SM |
303 | (setq truncate-lines t |
304 | buffer-read-only t)) | |
c154c0be MO |
305 | |
306 | (defun epa-mark-key (&optional arg) | |
307 | "Mark a key on the current line. | |
308 | If ARG is non-nil, unmark the key." | |
309 | (interactive "P") | |
310 | (let ((inhibit-read-only t) | |
311 | buffer-read-only | |
312 | properties) | |
313 | (beginning-of-line) | |
314 | (unless (get-text-property (point) 'epa-key) | |
315 | (error "No key on this line")) | |
316 | (setq properties (text-properties-at (point))) | |
317 | (delete-char 1) | |
318 | (insert (if arg " " "*")) | |
319 | (set-text-properties (1- (point)) (point) properties) | |
320 | (forward-line))) | |
321 | ||
322 | (defun epa-unmark-key (&optional arg) | |
323 | "Unmark a key on the current line. | |
324 | If ARG is non-nil, mark the key." | |
325 | (interactive "P") | |
326 | (epa-mark-key (not arg))) | |
327 | ||
328 | (defun epa-exit-buffer () | |
329 | "Exit the current buffer. | |
330 | `epa-exit-buffer-function' is called if it is set." | |
331 | (interactive) | |
332 | (funcall epa-exit-buffer-function)) | |
333 | ||
334 | (defun epa--insert-keys (keys) | |
335 | (save-excursion | |
336 | (save-restriction | |
337 | (narrow-to-region (point) (point)) | |
338 | (let (point) | |
339 | (while keys | |
340 | (setq point (point)) | |
341 | (insert " ") | |
342 | (add-text-properties point (point) | |
343 | (list 'epa-key (car keys) | |
344 | 'front-sticky nil | |
345 | 'rear-nonsticky t | |
346 | 'start-open t | |
347 | 'end-open t)) | |
348 | (widget-create 'epa-key :value (car keys)) | |
349 | (insert "\n") | |
f1914c40 | 350 | (setq keys (cdr keys)))) |
c154c0be MO |
351 | (add-text-properties (point-min) (point-max) |
352 | (list 'epa-list-keys t | |
353 | 'front-sticky nil | |
354 | 'rear-nonsticky t | |
355 | 'start-open t | |
356 | 'end-open t))))) | |
357 | ||
358 | (defun epa--list-keys (name secret) | |
359 | (unless (and epa-keys-buffer | |
360 | (buffer-live-p epa-keys-buffer)) | |
361 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
362 | (set-buffer epa-keys-buffer) | |
363 | (epa-key-list-mode) | |
364 | (let ((inhibit-read-only t) | |
365 | buffer-read-only | |
366 | (point (point-min)) | |
367 | (context (epg-make-context epa-protocol))) | |
368 | (unless (get-text-property point 'epa-list-keys) | |
369 | (setq point (next-single-property-change point 'epa-list-keys))) | |
370 | (when point | |
371 | (delete-region point | |
372 | (or (next-single-property-change point 'epa-list-keys) | |
373 | (point-max))) | |
374 | (goto-char point)) | |
375 | (epa--insert-keys (epg-list-keys context name secret)) | |
376 | (widget-setup) | |
377 | (set-keymap-parent (current-local-map) widget-keymap)) | |
378 | (make-local-variable 'epa-list-keys-arguments) | |
379 | (setq epa-list-keys-arguments (list name secret)) | |
380 | (goto-char (point-min)) | |
381 | (pop-to-buffer (current-buffer))) | |
382 | ||
383 | ;;;###autoload | |
384 | (defun epa-list-keys (&optional name) | |
385 | "List all keys matched with NAME from the public keyring." | |
386 | (interactive | |
387 | (if current-prefix-arg | |
388 | (let ((name (read-string "Pattern: " | |
389 | (if epa-list-keys-arguments | |
390 | (car epa-list-keys-arguments))))) | |
391 | (list (if (equal name "") nil name))) | |
392 | (list nil))) | |
393 | (epa--list-keys name nil)) | |
394 | ||
395 | ;;;###autoload | |
396 | (defun epa-list-secret-keys (&optional name) | |
397 | "List all keys matched with NAME from the private keyring." | |
398 | (interactive | |
399 | (if current-prefix-arg | |
400 | (let ((name (read-string "Pattern: " | |
401 | (if epa-list-keys-arguments | |
402 | (car epa-list-keys-arguments))))) | |
403 | (list (if (equal name "") nil name))) | |
404 | (list nil))) | |
405 | (epa--list-keys name t)) | |
406 | ||
74f50695 | 407 | (defun epa--key-list-revert-buffer (&optional _ignore-auto _noconfirm) |
c154c0be MO |
408 | (apply #'epa--list-keys epa-list-keys-arguments)) |
409 | ||
410 | (defun epa--marked-keys () | |
7fdbcd83 | 411 | (or (with-current-buffer epa-keys-buffer |
c154c0be MO |
412 | (goto-char (point-min)) |
413 | (let (keys key) | |
414 | (while (re-search-forward "^\\*" nil t) | |
415 | (if (setq key (get-text-property (match-beginning 0) | |
416 | 'epa-key)) | |
417 | (setq keys (cons key keys)))) | |
418 | (nreverse keys))) | |
9b026d9f GM |
419 | (let ((key (get-text-property (point-at-bol) 'epa-key))) |
420 | (if key | |
421 | (list key))))) | |
c154c0be MO |
422 | |
423 | (defun epa--select-keys (prompt keys) | |
7fdbcd83 SM |
424 | (unless (and epa-keys-buffer |
425 | (buffer-live-p epa-keys-buffer)) | |
426 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
427 | (with-current-buffer epa-keys-buffer | |
c154c0be | 428 | (epa-key-list-mode) |
2d562c0f DU |
429 | ;; C-c C-c is the usual way to finish the selection (bug#11159). |
430 | (define-key (current-local-map) "\C-c\C-c" 'exit-recursive-edit) | |
c154c0be MO |
431 | (let ((inhibit-read-only t) |
432 | buffer-read-only) | |
433 | (erase-buffer) | |
434 | (insert prompt "\n" | |
435 | (substitute-command-keys "\ | |
436 | - `\\[epa-mark-key]' to mark a key on the line | |
437 | - `\\[epa-unmark-key]' to unmark a key on the line\n")) | |
438 | (widget-create 'link | |
74f50695 | 439 | :notify (lambda (&rest _ignore) (abort-recursive-edit)) |
c154c0be MO |
440 | :help-echo |
441 | (substitute-command-keys | |
442 | "Click here or \\[abort-recursive-edit] to cancel") | |
443 | "Cancel") | |
444 | (widget-create 'link | |
74f50695 | 445 | :notify (lambda (&rest _ignore) (exit-recursive-edit)) |
c154c0be MO |
446 | :help-echo |
447 | (substitute-command-keys | |
448 | "Click here or \\[exit-recursive-edit] to finish") | |
449 | "OK") | |
450 | (insert "\n\n") | |
451 | (epa--insert-keys keys) | |
452 | (widget-setup) | |
453 | (set-keymap-parent (current-local-map) widget-keymap) | |
454 | (setq epa-exit-buffer-function #'abort-recursive-edit) | |
455 | (goto-char (point-min)) | |
397eb3f3 SM |
456 | (let ((display-buffer-mark-dedicated 'soft)) |
457 | (pop-to-buffer (current-buffer)))) | |
c154c0be MO |
458 | (unwind-protect |
459 | (progn | |
460 | (recursive-edit) | |
461 | (epa--marked-keys)) | |
c154c0be MO |
462 | (kill-buffer epa-keys-buffer)))) |
463 | ||
464 | ;;;###autoload | |
465 | (defun epa-select-keys (context prompt &optional names secret) | |
466 | "Display a user's keyring and ask him to select keys. | |
467 | CONTEXT is an epg-context. | |
468 | PROMPT is a string to prompt with. | |
469 | NAMES is a list of strings to be matched with keys. If it is nil, all | |
470 | the keys are listed. | |
471 | If SECRET is non-nil, list secret keys instead of public keys." | |
472 | (let ((keys (epg-list-keys context names secret))) | |
2c6c404a | 473 | (epa--select-keys prompt keys))) |
c154c0be MO |
474 | |
475 | (defun epa--show-key (key) | |
476 | (let* ((primary-sub-key (car (epg-key-sub-key-list key))) | |
477 | (entry (assoc (epg-sub-key-id primary-sub-key) | |
478 | epa-key-buffer-alist)) | |
479 | (inhibit-read-only t) | |
480 | buffer-read-only | |
481 | pointer) | |
482 | (unless entry | |
483 | (setq entry (cons (epg-sub-key-id primary-sub-key) nil) | |
484 | epa-key-buffer-alist (cons entry epa-key-buffer-alist))) | |
485 | (unless (and (cdr entry) | |
486 | (buffer-live-p (cdr entry))) | |
487 | (setcdr entry (generate-new-buffer | |
488 | (format "*Key*%s" (epg-sub-key-id primary-sub-key))))) | |
489 | (set-buffer (cdr entry)) | |
490 | (epa-key-mode) | |
491 | (make-local-variable 'epa-key) | |
492 | (setq epa-key key) | |
493 | (erase-buffer) | |
494 | (setq pointer (epg-key-user-id-list key)) | |
495 | (while pointer | |
496 | (if (car pointer) | |
497 | (insert " " | |
498 | (if (epg-user-id-validity (car pointer)) | |
499 | (char-to-string | |
500 | (car (rassq (epg-user-id-validity (car pointer)) | |
501 | epg-key-validity-alist))) | |
502 | " ") | |
503 | " " | |
504 | (if (stringp (epg-user-id-string (car pointer))) | |
505 | (epg-user-id-string (car pointer)) | |
506 | (epg-decode-dn (epg-user-id-string (car pointer)))) | |
507 | "\n")) | |
508 | (setq pointer (cdr pointer))) | |
509 | (setq pointer (epg-key-sub-key-list key)) | |
510 | (while pointer | |
511 | (insert " " | |
512 | (if (epg-sub-key-validity (car pointer)) | |
513 | (char-to-string | |
514 | (car (rassq (epg-sub-key-validity (car pointer)) | |
515 | epg-key-validity-alist))) | |
516 | " ") | |
517 | " " | |
518 | (epg-sub-key-id (car pointer)) | |
519 | " " | |
520 | (format "%dbits" | |
521 | (epg-sub-key-length (car pointer))) | |
522 | " " | |
523 | (cdr (assq (epg-sub-key-algorithm (car pointer)) | |
524 | epg-pubkey-algorithm-alist)) | |
525 | "\n\tCreated: " | |
526 | (condition-case nil | |
527 | (format-time-string "%Y-%m-%d" | |
528 | (epg-sub-key-creation-time (car pointer))) | |
529 | (error "????-??-??")) | |
530 | (if (epg-sub-key-expiration-time (car pointer)) | |
97c07afc DU |
531 | (format (if (time-less-p (current-time) |
532 | (epg-sub-key-expiration-time | |
533 | (car pointer))) | |
534 | "\n\tExpires: %s" | |
535 | "\n\tExpired: %s") | |
c154c0be MO |
536 | (condition-case nil |
537 | (format-time-string "%Y-%m-%d" | |
538 | (epg-sub-key-expiration-time | |
539 | (car pointer))) | |
540 | (error "????-??-??"))) | |
541 | "") | |
542 | "\n\tCapabilities: " | |
543 | (mapconcat #'symbol-name | |
544 | (epg-sub-key-capability (car pointer)) | |
545 | " ") | |
546 | "\n\tFingerprint: " | |
547 | (epg-sub-key-fingerprint (car pointer)) | |
548 | "\n") | |
549 | (setq pointer (cdr pointer))) | |
550 | (goto-char (point-min)) | |
551 | (pop-to-buffer (current-buffer)))) | |
552 | ||
553 | (defun epa-display-info (info) | |
554 | (if epa-popup-info-window | |
555 | (save-selected-window | |
556 | (unless (and epa-info-buffer (buffer-live-p epa-info-buffer)) | |
557 | (setq epa-info-buffer (generate-new-buffer "*Info*"))) | |
558 | (if (get-buffer-window epa-info-buffer) | |
559 | (delete-window (get-buffer-window epa-info-buffer))) | |
7fdbcd83 | 560 | (with-current-buffer epa-info-buffer |
c154c0be MO |
561 | (let ((inhibit-read-only t) |
562 | buffer-read-only) | |
563 | (erase-buffer) | |
564 | (insert info)) | |
565 | (epa-info-mode) | |
566 | (goto-char (point-min))) | |
567 | (if (> (window-height) | |
568 | epa-info-window-height) | |
569 | (set-window-buffer (split-window nil (- (window-height) | |
570 | epa-info-window-height)) | |
571 | epa-info-buffer) | |
572 | (pop-to-buffer epa-info-buffer) | |
573 | (if (> (window-height) epa-info-window-height) | |
574 | (shrink-window (- (window-height) epa-info-window-height))))) | |
575 | (message "%s" info))) | |
576 | ||
577 | (defun epa-display-verify-result (verify-result) | |
59f7af81 | 578 | (declare (obsolete epa-display-info "23.1")) |
c154c0be | 579 | (epa-display-info (epg-verify-result-to-string verify-result))) |
c154c0be MO |
580 | |
581 | (defun epa-passphrase-callback-function (context key-id handback) | |
582 | (if (eq key-id 'SYM) | |
7450df5d LMI |
583 | (read-passwd |
584 | (format "Passphrase for symmetric encryption%s: " | |
446b12da DU |
585 | ;; Add the file name to the prompt, if any. |
586 | (if (stringp handback) | |
587 | (format " for %s" handback) | |
588 | "")) | |
7450df5d | 589 | (eq (epg-context-operation context) 'encrypt)) |
c154c0be MO |
590 | (read-passwd |
591 | (if (eq key-id 'PIN) | |
592 | "Passphrase for PIN: " | |
593 | (let ((entry (assoc key-id epg-user-id-alist))) | |
594 | (if entry | |
595 | (format "Passphrase for %s %s: " key-id (cdr entry)) | |
596 | (format "Passphrase for %s: " key-id))))))) | |
597 | ||
74f50695 | 598 | (defun epa-progress-callback-function (_context what _char current total |
c154c0be | 599 | handback) |
9d5cb631 DU |
600 | (let ((prompt (or handback |
601 | (format "Processing %s: " what)))) | |
602 | ;; According to gnupg/doc/DETAIL: a "total" of 0 indicates that | |
603 | ;; the total amount is not known. The condition TOTAL && CUR == | |
604 | ;; TOTAL may be used to detect the end of an operation. | |
605 | (if (> total 0) | |
606 | (if (= current total) | |
607 | (message "%s...done" prompt) | |
608 | (message "%s...%d%%" prompt | |
609 | (floor (* (/ current (float total)) 100)))) | |
610 | (message "%s..." prompt)))) | |
c154c0be | 611 | |
ff4871b9 GM |
612 | (defun epa-read-file-name (input) |
613 | "Interactively read an output file name based on INPUT file name." | |
614 | (setq input (file-name-sans-extension (expand-file-name input))) | |
615 | (expand-file-name | |
616 | (read-file-name | |
617 | (concat "To file (default " (file-name-nondirectory input) ") ") | |
618 | (file-name-directory input) | |
619 | input))) | |
620 | ||
c154c0be | 621 | ;;;###autoload |
ff4871b9 GM |
622 | (defun epa-decrypt-file (decrypt-file &optional plain-file) |
623 | "Decrypt DECRYPT-FILE into PLAIN-FILE. | |
624 | If you do not specify PLAIN-FILE, this functions prompts for the value to use." | |
212e29f2 | 625 | (interactive |
ff4871b9 GM |
626 | (let* ((file (read-file-name "File to decrypt: ")) |
627 | (plain (epa-read-file-name file))) | |
212e29f2 | 628 | (list file plain))) |
ff4871b9 | 629 | (or plain-file (setq plain-file (epa-read-file-name decrypt-file))) |
212e29f2 RS |
630 | (setq decrypt-file (expand-file-name decrypt-file)) |
631 | (let ((context (epg-make-context epa-protocol))) | |
c154c0be MO |
632 | (epg-context-set-passphrase-callback context |
633 | #'epa-passphrase-callback-function) | |
634 | (epg-context-set-progress-callback context | |
635 | (cons | |
636 | #'epa-progress-callback-function | |
637 | (format "Decrypting %s..." | |
212e29f2 RS |
638 | (file-name-nondirectory decrypt-file)))) |
639 | (message "Decrypting %s..." (file-name-nondirectory decrypt-file)) | |
640 | (epg-decrypt-file context decrypt-file plain-file) | |
641 | (message "Decrypting %s...wrote %s" (file-name-nondirectory decrypt-file) | |
642 | (file-name-nondirectory plain-file)) | |
c154c0be MO |
643 | (if (epg-context-result-for context 'verify) |
644 | (epa-display-info (epg-verify-result-to-string | |
645 | (epg-context-result-for context 'verify)))))) | |
646 | ||
647 | ;;;###autoload | |
648 | (defun epa-verify-file (file) | |
649 | "Verify FILE." | |
650 | (interactive "fFile: ") | |
651 | (setq file (expand-file-name file)) | |
652 | (let* ((context (epg-make-context epa-protocol)) | |
653 | (plain (if (equal (file-name-extension file) "sig") | |
654 | (file-name-sans-extension file)))) | |
655 | (epg-context-set-progress-callback context | |
656 | (cons | |
657 | #'epa-progress-callback-function | |
658 | (format "Verifying %s..." | |
659 | (file-name-nondirectory file)))) | |
660 | (message "Verifying %s..." (file-name-nondirectory file)) | |
661 | (epg-verify-file context file plain) | |
662 | (message "Verifying %s...done" (file-name-nondirectory file)) | |
663 | (if (epg-context-result-for context 'verify) | |
664 | (epa-display-info (epg-verify-result-to-string | |
665 | (epg-context-result-for context 'verify)))))) | |
666 | ||
667 | (defun epa--read-signature-type () | |
668 | (let (type c) | |
669 | (while (null type) | |
670 | (message "Signature type (n,c,d,?) ") | |
671 | (setq c (read-char)) | |
672 | (cond ((eq c ?c) | |
673 | (setq type 'clear)) | |
674 | ((eq c ?d) | |
675 | (setq type 'detached)) | |
676 | ((eq c ??) | |
677 | (with-output-to-temp-buffer "*Help*" | |
7fdbcd83 | 678 | (with-current-buffer standard-output |
c154c0be MO |
679 | (insert "\ |
680 | n - Create a normal signature | |
681 | c - Create a cleartext signature | |
682 | d - Create a detached signature | |
683 | ? - Show this help | |
684 | ")))) | |
685 | (t | |
50f13b3e DU |
686 | (setq type 'normal)))) |
687 | type)) | |
c154c0be MO |
688 | |
689 | ;;;###autoload | |
690 | (defun epa-sign-file (file signers mode) | |
691 | "Sign FILE by SIGNERS keys selected." | |
692 | (interactive | |
693 | (let ((verbose current-prefix-arg)) | |
694 | (list (expand-file-name (read-file-name "File: ")) | |
695 | (if verbose | |
696 | (epa-select-keys (epg-make-context epa-protocol) | |
697 | "Select keys for signing. | |
698 | If no one is selected, default secret key is used. " | |
699 | nil t)) | |
700 | (if verbose | |
701 | (epa--read-signature-type) | |
702 | 'clear)))) | |
703 | (let ((signature (concat file | |
704 | (if (eq epa-protocol 'OpenPGP) | |
705 | (if (or epa-armor | |
706 | (not (memq mode | |
707 | '(nil t normal detached)))) | |
708 | ".asc" | |
709 | (if (memq mode '(t detached)) | |
710 | ".sig" | |
711 | ".gpg")) | |
712 | (if (memq mode '(t detached)) | |
713 | ".p7s" | |
714 | ".p7m")))) | |
715 | (context (epg-make-context epa-protocol))) | |
716 | (epg-context-set-armor context epa-armor) | |
717 | (epg-context-set-textmode context epa-textmode) | |
718 | (epg-context-set-signers context signers) | |
719 | (epg-context-set-passphrase-callback context | |
720 | #'epa-passphrase-callback-function) | |
721 | (epg-context-set-progress-callback context | |
722 | (cons | |
723 | #'epa-progress-callback-function | |
724 | (format "Signing %s..." | |
725 | (file-name-nondirectory file)))) | |
726 | (message "Signing %s..." (file-name-nondirectory file)) | |
727 | (epg-sign-file context file signature mode) | |
728 | (message "Signing %s...wrote %s" (file-name-nondirectory file) | |
729 | (file-name-nondirectory signature)))) | |
730 | ||
731 | ;;;###autoload | |
732 | (defun epa-encrypt-file (file recipients) | |
733 | "Encrypt FILE for RECIPIENTS." | |
734 | (interactive | |
735 | (list (expand-file-name (read-file-name "File: ")) | |
736 | (epa-select-keys (epg-make-context epa-protocol) | |
737 | "Select recipients for encryption. | |
738 | If no one is selected, symmetric encryption will be performed. "))) | |
739 | (let ((cipher (concat file (if (eq epa-protocol 'OpenPGP) | |
740 | (if epa-armor ".asc" ".gpg") | |
741 | ".p7m"))) | |
742 | (context (epg-make-context epa-protocol))) | |
743 | (epg-context-set-armor context epa-armor) | |
744 | (epg-context-set-textmode context epa-textmode) | |
745 | (epg-context-set-passphrase-callback context | |
746 | #'epa-passphrase-callback-function) | |
747 | (epg-context-set-progress-callback context | |
748 | (cons | |
749 | #'epa-progress-callback-function | |
750 | (format "Encrypting %s..." | |
751 | (file-name-nondirectory file)))) | |
752 | (message "Encrypting %s..." (file-name-nondirectory file)) | |
753 | (epg-encrypt-file context file recipients cipher) | |
754 | (message "Encrypting %s...wrote %s" (file-name-nondirectory file) | |
755 | (file-name-nondirectory cipher)))) | |
756 | ||
757 | ;;;###autoload | |
fe38beef | 758 | (defun epa-decrypt-region (start end &optional make-buffer-function) |
c154c0be | 759 | "Decrypt the current region between START and END. |
fe38beef RS |
760 | |
761 | If MAKE-BUFFER-FUNCTION is non-nil, call it to prepare an output buffer. | |
762 | It should return that buffer. If it copies the input, it should | |
763 | delete the text now being decrypted. It should leave point at the | |
764 | proper place to insert the plaintext. | |
c154c0be | 765 | |
3a99bf64 | 766 | Be careful about using this command in Lisp programs! |
2c6c404a MO |
767 | Since this function operates on regions, it does some tricks such |
768 | as coding-system detection and unibyte/multibyte conversion. If | |
769 | you are sure how the data in the region should be treated, you | |
770 | should consider using the string based counterpart | |
771 | `epg-decrypt-string', or the file based counterpart | |
772 | `epg-decrypt-file' instead. | |
773 | ||
774 | For example: | |
775 | ||
776 | \(let ((context (epg-make-context 'OpenPGP))) | |
777 | (decode-coding-string | |
778 | (epg-decrypt-string context (buffer-substring start end)) | |
779 | 'utf-8))" | |
c154c0be MO |
780 | (interactive "r") |
781 | (save-excursion | |
782 | (let ((context (epg-make-context epa-protocol)) | |
783 | plain) | |
784 | (epg-context-set-passphrase-callback context | |
785 | #'epa-passphrase-callback-function) | |
786 | (epg-context-set-progress-callback context | |
787 | (cons | |
788 | #'epa-progress-callback-function | |
789 | "Decrypting...")) | |
790 | (message "Decrypting...") | |
791 | (setq plain (epg-decrypt-string context (buffer-substring start end))) | |
792 | (message "Decrypting...done") | |
793 | (setq plain (epa--decode-coding-string | |
794 | plain | |
795 | (or coding-system-for-read | |
42481bde DU |
796 | (get-text-property start 'epa-coding-system-used) |
797 | 'undecided))) | |
44fede4d RS |
798 | (if make-buffer-function |
799 | (with-current-buffer (funcall make-buffer-function) | |
800 | (let ((inhibit-read-only t)) | |
801 | (insert plain))) | |
802 | (if (y-or-n-p "Replace the original text? ") | |
803 | (let ((inhibit-read-only t)) | |
804 | (delete-region start end) | |
805 | (goto-char start) | |
806 | (insert plain)) | |
3a99bf64 RS |
807 | (with-output-to-temp-buffer "*Temp*" |
808 | (set-buffer standard-output) | |
809 | (insert plain) | |
810 | (epa-info-mode)))) | |
c154c0be MO |
811 | (if (epg-context-result-for context 'verify) |
812 | (epa-display-info (epg-verify-result-to-string | |
813 | (epg-context-result-for context 'verify))))))) | |
814 | ||
815 | (defun epa--find-coding-system-for-mime-charset (mime-charset) | |
816 | (if (featurep 'xemacs) | |
817 | (if (fboundp 'find-coding-system) | |
818 | (find-coding-system mime-charset)) | |
3a99bf64 | 819 | ;; Find the first coding system which corresponds to MIME-CHARSET. |
c154c0be MO |
820 | (let ((pointer (coding-system-list))) |
821 | (while (and pointer | |
3a99bf64 RS |
822 | (not (eq (coding-system-get (car pointer) 'mime-charset) |
823 | mime-charset))) | |
c154c0be | 824 | (setq pointer (cdr pointer))) |
3a99bf64 | 825 | (car pointer)))) |
c154c0be MO |
826 | |
827 | ;;;###autoload | |
828 | (defun epa-decrypt-armor-in-region (start end) | |
829 | "Decrypt OpenPGP armors in the current region between START and END. | |
830 | ||
2c6c404a MO |
831 | Don't use this command in Lisp programs! |
832 | See the reason described in the `epa-decrypt-region' documentation." | |
c154c0be MO |
833 | (interactive "r") |
834 | (save-excursion | |
835 | (save-restriction | |
836 | (narrow-to-region start end) | |
837 | (goto-char start) | |
838 | (let (armor-start armor-end) | |
839 | (while (re-search-forward "-----BEGIN PGP MESSAGE-----$" nil t) | |
840 | (setq armor-start (match-beginning 0) | |
841 | armor-end (re-search-forward "^-----END PGP MESSAGE-----$" | |
842 | nil t)) | |
843 | (unless armor-end | |
3a99bf64 | 844 | (error "Encryption armor beginning has no matching end")) |
c154c0be MO |
845 | (goto-char armor-start) |
846 | (let ((coding-system-for-read | |
847 | (or coding-system-for-read | |
848 | (if (re-search-forward "^Charset: \\(.*\\)" armor-end t) | |
849 | (epa--find-coding-system-for-mime-charset | |
850 | (intern (downcase (match-string 1)))))))) | |
851 | (goto-char armor-end) | |
852 | (epa-decrypt-region armor-start armor-end))))))) | |
853 | ||
854 | ;;;###autoload | |
855 | (defun epa-verify-region (start end) | |
856 | "Verify the current region between START and END. | |
857 | ||
2c6c404a MO |
858 | Don't use this command in Lisp programs! |
859 | Since this function operates on regions, it does some tricks such | |
860 | as coding-system detection and unibyte/multibyte conversion. If | |
861 | you are sure how the data in the region should be treated, you | |
862 | should consider using the string based counterpart | |
863 | `epg-verify-string', or the file based counterpart | |
864 | `epg-verify-file' instead. | |
865 | ||
866 | For example: | |
867 | ||
868 | \(let ((context (epg-make-context 'OpenPGP))) | |
869 | (decode-coding-string | |
870 | (epg-verify-string context (buffer-substring start end)) | |
871 | 'utf-8))" | |
c154c0be MO |
872 | (interactive "r") |
873 | (let ((context (epg-make-context epa-protocol)) | |
874 | plain) | |
875 | (epg-context-set-progress-callback context | |
876 | (cons | |
877 | #'epa-progress-callback-function | |
878 | "Verifying...")) | |
879 | (message "Verifying...") | |
880 | (setq plain (epg-verify-string | |
881 | context | |
882 | (epa--encode-coding-string | |
883 | (buffer-substring start end) | |
884 | (or coding-system-for-write | |
885 | (get-text-property start 'epa-coding-system-used))))) | |
886 | (message "Verifying...done") | |
887 | (setq plain (epa--decode-coding-string | |
888 | plain | |
889 | (or coding-system-for-read | |
42481bde DU |
890 | (get-text-property start 'epa-coding-system-used) |
891 | 'undecided))) | |
c154c0be MO |
892 | (if (y-or-n-p "Replace the original text? ") |
893 | (let ((inhibit-read-only t) | |
894 | buffer-read-only) | |
895 | (delete-region start end) | |
896 | (goto-char start) | |
897 | (insert plain)) | |
898 | (with-output-to-temp-buffer "*Temp*" | |
899 | (set-buffer standard-output) | |
900 | (insert plain) | |
901 | (epa-info-mode))) | |
902 | (if (epg-context-result-for context 'verify) | |
903 | (epa-display-info (epg-verify-result-to-string | |
904 | (epg-context-result-for context 'verify)))))) | |
905 | ||
906 | ;;;###autoload | |
907 | (defun epa-verify-cleartext-in-region (start end) | |
908 | "Verify OpenPGP cleartext signed messages in the current region | |
909 | between START and END. | |
910 | ||
2c6c404a MO |
911 | Don't use this command in Lisp programs! |
912 | See the reason described in the `epa-verify-region' documentation." | |
c154c0be MO |
913 | (interactive "r") |
914 | (save-excursion | |
915 | (save-restriction | |
916 | (narrow-to-region start end) | |
917 | (goto-char start) | |
918 | (let (cleartext-start cleartext-end) | |
919 | (while (re-search-forward "-----BEGIN PGP SIGNED MESSAGE-----$" | |
920 | nil t) | |
921 | (setq cleartext-start (match-beginning 0)) | |
922 | (unless (re-search-forward "^-----BEGIN PGP SIGNATURE-----$" | |
923 | nil t) | |
924 | (error "Invalid cleartext signed message")) | |
925 | (setq cleartext-end (re-search-forward | |
926 | "^-----END PGP SIGNATURE-----$" | |
927 | nil t)) | |
928 | (unless cleartext-end | |
929 | (error "No cleartext tail")) | |
930 | (epa-verify-region cleartext-start cleartext-end)))))) | |
931 | ||
86cf7329 | 932 | (defalias 'epa--select-safe-coding-system |
c154c0be | 933 | (if (fboundp 'select-safe-coding-system) |
86cf7329 SM |
934 | #'select-safe-coding-system |
935 | (lambda (_from _to) | |
c154c0be MO |
936 | buffer-file-coding-system))) |
937 | ||
938 | ;;;###autoload | |
939 | (defun epa-sign-region (start end signers mode) | |
940 | "Sign the current region between START and END by SIGNERS keys selected. | |
941 | ||
2c6c404a MO |
942 | Don't use this command in Lisp programs! |
943 | Since this function operates on regions, it does some tricks such | |
944 | as coding-system detection and unibyte/multibyte conversion. If | |
945 | you are sure how the data should be treated, you should consider | |
946 | using the string based counterpart `epg-sign-string', or the file | |
947 | based counterpart `epg-sign-file' instead. | |
948 | ||
949 | For example: | |
950 | ||
951 | \(let ((context (epg-make-context 'OpenPGP))) | |
952 | (epg-sign-string | |
953 | context | |
954 | (encode-coding-string (buffer-substring start end) 'utf-8)))" | |
c154c0be MO |
955 | (interactive |
956 | (let ((verbose current-prefix-arg)) | |
957 | (setq epa-last-coding-system-specified | |
958 | (or coding-system-for-write | |
959 | (epa--select-safe-coding-system | |
960 | (region-beginning) (region-end)))) | |
961 | (list (region-beginning) (region-end) | |
962 | (if verbose | |
963 | (epa-select-keys (epg-make-context epa-protocol) | |
964 | "Select keys for signing. | |
965 | If no one is selected, default secret key is used. " | |
966 | nil t)) | |
967 | (if verbose | |
968 | (epa--read-signature-type) | |
969 | 'clear)))) | |
970 | (save-excursion | |
971 | (let ((context (epg-make-context epa-protocol)) | |
972 | signature) | |
973 | ;;(epg-context-set-armor context epa-armor) | |
974 | (epg-context-set-armor context t) | |
975 | ;;(epg-context-set-textmode context epa-textmode) | |
976 | (epg-context-set-textmode context t) | |
977 | (epg-context-set-signers context signers) | |
978 | (epg-context-set-passphrase-callback context | |
979 | #'epa-passphrase-callback-function) | |
980 | (epg-context-set-progress-callback context | |
981 | (cons | |
982 | #'epa-progress-callback-function | |
983 | "Signing...")) | |
984 | (message "Signing...") | |
985 | (setq signature (epg-sign-string context | |
986 | (epa--encode-coding-string | |
987 | (buffer-substring start end) | |
988 | epa-last-coding-system-specified) | |
989 | mode)) | |
990 | (message "Signing...done") | |
991 | (delete-region start end) | |
992 | (goto-char start) | |
993 | (add-text-properties (point) | |
994 | (progn | |
995 | (insert (epa--decode-coding-string | |
996 | signature | |
997 | (or coding-system-for-read | |
998 | epa-last-coding-system-specified))) | |
999 | (point)) | |
1000 | (list 'epa-coding-system-used | |
1001 | epa-last-coding-system-specified | |
1002 | 'front-sticky nil | |
1003 | 'rear-nonsticky t | |
1004 | 'start-open t | |
1005 | 'end-open t))))) | |
1006 | ||
86cf7329 | 1007 | (defalias 'epa--derived-mode-p |
c154c0be | 1008 | (if (fboundp 'derived-mode-p) |
86cf7329 SM |
1009 | #'derived-mode-p |
1010 | (lambda (&rest modes) | |
c154c0be MO |
1011 | "Non-nil if the current major mode is derived from one of MODES. |
1012 | Uses the `derived-mode-parent' property of the symbol to trace backwards." | |
1013 | (let ((parent major-mode)) | |
86cf7329 SM |
1014 | (while (and (not (memq parent modes)) |
1015 | (setq parent (get parent 'derived-mode-parent)))) | |
1016 | parent)))) | |
c154c0be MO |
1017 | |
1018 | ;;;###autoload | |
1019 | (defun epa-encrypt-region (start end recipients sign signers) | |
1020 | "Encrypt the current region between START and END for RECIPIENTS. | |
1021 | ||
2c6c404a MO |
1022 | Don't use this command in Lisp programs! |
1023 | Since this function operates on regions, it does some tricks such | |
1024 | as coding-system detection and unibyte/multibyte conversion. If | |
1025 | you are sure how the data should be treated, you should consider | |
1026 | using the string based counterpart `epg-encrypt-string', or the | |
1027 | file based counterpart `epg-encrypt-file' instead. | |
1028 | ||
1029 | For example: | |
1030 | ||
1031 | \(let ((context (epg-make-context 'OpenPGP))) | |
1032 | (epg-encrypt-string | |
1033 | context | |
1034 | (encode-coding-string (buffer-substring start end) 'utf-8) | |
1035 | nil))" | |
c154c0be MO |
1036 | (interactive |
1037 | (let ((verbose current-prefix-arg) | |
1038 | (context (epg-make-context epa-protocol)) | |
1039 | sign) | |
1040 | (setq epa-last-coding-system-specified | |
1041 | (or coding-system-for-write | |
1042 | (epa--select-safe-coding-system | |
1043 | (region-beginning) (region-end)))) | |
1044 | (list (region-beginning) (region-end) | |
1045 | (epa-select-keys context | |
1046 | "Select recipients for encryption. | |
1047 | If no one is selected, symmetric encryption will be performed. ") | |
1048 | (setq sign (if verbose (y-or-n-p "Sign? "))) | |
1049 | (if sign | |
1050 | (epa-select-keys context | |
1051 | "Select keys for signing. "))))) | |
1052 | (save-excursion | |
1053 | (let ((context (epg-make-context epa-protocol)) | |
1054 | cipher) | |
1055 | ;;(epg-context-set-armor context epa-armor) | |
1056 | (epg-context-set-armor context t) | |
1057 | ;;(epg-context-set-textmode context epa-textmode) | |
1058 | (epg-context-set-textmode context t) | |
1059 | (if sign | |
1060 | (epg-context-set-signers context signers)) | |
1061 | (epg-context-set-passphrase-callback context | |
1062 | #'epa-passphrase-callback-function) | |
1063 | (epg-context-set-progress-callback context | |
1064 | (cons | |
1065 | #'epa-progress-callback-function | |
1066 | "Encrypting...")) | |
1067 | (message "Encrypting...") | |
1068 | (setq cipher (epg-encrypt-string context | |
1069 | (epa--encode-coding-string | |
1070 | (buffer-substring start end) | |
1071 | epa-last-coding-system-specified) | |
1072 | recipients | |
1073 | sign)) | |
1074 | (message "Encrypting...done") | |
1075 | (delete-region start end) | |
1076 | (goto-char start) | |
1077 | (add-text-properties (point) | |
1078 | (progn | |
1079 | (insert cipher) | |
1080 | (point)) | |
1081 | (list 'epa-coding-system-used | |
1082 | epa-last-coding-system-specified | |
1083 | 'front-sticky nil | |
1084 | 'rear-nonsticky t | |
1085 | 'start-open t | |
1086 | 'end-open t))))) | |
1087 | ||
1088 | ;;;###autoload | |
1089 | (defun epa-delete-keys (keys &optional allow-secret) | |
2c6c404a | 1090 | "Delete selected KEYS." |
c154c0be MO |
1091 | (interactive |
1092 | (let ((keys (epa--marked-keys))) | |
1093 | (unless keys | |
1094 | (error "No keys selected")) | |
1095 | (list keys | |
1096 | (eq (nth 1 epa-list-keys-arguments) t)))) | |
1097 | (let ((context (epg-make-context epa-protocol))) | |
1098 | (message "Deleting...") | |
1099 | (epg-delete-keys context keys allow-secret) | |
1100 | (message "Deleting...done") | |
dc9b613e | 1101 | (apply #'epa--list-keys epa-list-keys-arguments))) |
c154c0be MO |
1102 | |
1103 | ;;;###autoload | |
1104 | (defun epa-import-keys (file) | |
2c6c404a | 1105 | "Import keys from FILE." |
c154c0be MO |
1106 | (interactive "fFile: ") |
1107 | (setq file (expand-file-name file)) | |
1108 | (let ((context (epg-make-context epa-protocol))) | |
1109 | (message "Importing %s..." (file-name-nondirectory file)) | |
1110 | (condition-case nil | |
1111 | (progn | |
1112 | (epg-import-keys-from-file context file) | |
1113 | (message "Importing %s...done" (file-name-nondirectory file))) | |
1114 | (error | |
1115 | (message "Importing %s...failed" (file-name-nondirectory file)))) | |
1116 | (if (epg-context-result-for context 'import) | |
1117 | (epa-display-info (epg-import-result-to-string | |
1118 | (epg-context-result-for context 'import)))) | |
86cf7329 | 1119 | ;; FIXME: Why not use the (otherwise unused) epa--derived-mode-p? |
c154c0be | 1120 | (if (eq major-mode 'epa-key-list-mode) |
dc9b613e | 1121 | (apply #'epa--list-keys epa-list-keys-arguments)))) |
c154c0be MO |
1122 | |
1123 | ;;;###autoload | |
1124 | (defun epa-import-keys-region (start end) | |
2c6c404a | 1125 | "Import keys from the region." |
c154c0be MO |
1126 | (interactive "r") |
1127 | (let ((context (epg-make-context epa-protocol))) | |
1128 | (message "Importing...") | |
1129 | (condition-case nil | |
1130 | (progn | |
1131 | (epg-import-keys-from-string context (buffer-substring start end)) | |
1132 | (message "Importing...done")) | |
1133 | (error | |
1134 | (message "Importing...failed"))) | |
1135 | (if (epg-context-result-for context 'import) | |
1136 | (epa-display-info (epg-import-result-to-string | |
1137 | (epg-context-result-for context 'import)))))) | |
1138 | ||
1139 | ;;;###autoload | |
1140 | (defun epa-import-armor-in-region (start end) | |
1141 | "Import keys in the OpenPGP armor format in the current region | |
2c6c404a | 1142 | between START and END." |
c154c0be MO |
1143 | (interactive "r") |
1144 | (save-excursion | |
1145 | (save-restriction | |
1146 | (narrow-to-region start end) | |
1147 | (goto-char start) | |
1148 | (let (armor-start armor-end) | |
1149 | (while (re-search-forward | |
1150 | "-----BEGIN \\(PGP \\(PUBLIC\\|PRIVATE\\) KEY BLOCK\\)-----$" | |
1151 | nil t) | |
1152 | (setq armor-start (match-beginning 0) | |
1153 | armor-end (re-search-forward | |
1154 | (concat "^-----END " (match-string 1) "-----$") | |
1155 | nil t)) | |
1156 | (unless armor-end | |
1157 | (error "No armor tail")) | |
1158 | (epa-import-keys-region armor-start armor-end)))))) | |
1159 | ||
1160 | ;;;###autoload | |
1161 | (defun epa-export-keys (keys file) | |
2c6c404a | 1162 | "Export selected KEYS to FILE." |
c154c0be MO |
1163 | (interactive |
1164 | (let ((keys (epa--marked-keys)) | |
1165 | default-name) | |
1166 | (unless keys | |
1167 | (error "No keys selected")) | |
1168 | (setq default-name | |
1169 | (expand-file-name | |
1170 | (concat (epg-sub-key-id (car (epg-key-sub-key-list (car keys)))) | |
1171 | (if epa-armor ".asc" ".gpg")) | |
1172 | default-directory)) | |
1173 | (list keys | |
1174 | (expand-file-name | |
1175 | (read-file-name | |
1176 | (concat "To file (default " | |
1177 | (file-name-nondirectory default-name) | |
1178 | ") ") | |
1179 | (file-name-directory default-name) | |
1180 | default-name))))) | |
1181 | (let ((context (epg-make-context epa-protocol))) | |
1182 | (epg-context-set-armor context epa-armor) | |
1183 | (message "Exporting to %s..." (file-name-nondirectory file)) | |
1184 | (epg-export-keys-to-file context keys file) | |
1185 | (message "Exporting to %s...done" (file-name-nondirectory file)))) | |
1186 | ||
1187 | ;;;###autoload | |
1188 | (defun epa-insert-keys (keys) | |
2c6c404a | 1189 | "Insert selected KEYS after the point." |
c154c0be MO |
1190 | (interactive |
1191 | (list (epa-select-keys (epg-make-context epa-protocol) | |
2d562c0f DU |
1192 | "Select keys to export. |
1193 | If no one is selected, default public key is exported. "))) | |
c154c0be MO |
1194 | (let ((context (epg-make-context epa-protocol))) |
1195 | ;;(epg-context-set-armor context epa-armor) | |
1196 | (epg-context-set-armor context t) | |
1197 | (insert (epg-export-keys-to-string context keys)))) | |
1198 | ||
1199 | ;; (defun epa-sign-keys (keys &optional local) | |
1200 | ;; "Sign selected KEYS. | |
1201 | ;; If a prefix-arg is specified, the signature is marked as non exportable. | |
1202 | ||
1203 | ;; Don't use this command in Lisp programs!" | |
1204 | ;; (interactive | |
1205 | ;; (let ((keys (epa--marked-keys))) | |
1206 | ;; (unless keys | |
1207 | ;; (error "No keys selected")) | |
1208 | ;; (list keys current-prefix-arg))) | |
1209 | ;; (let ((context (epg-make-context epa-protocol))) | |
1210 | ;; (epg-context-set-passphrase-callback context | |
1211 | ;; #'epa-passphrase-callback-function) | |
1212 | ;; (epg-context-set-progress-callback context | |
1213 | ;; (cons | |
1214 | ;; #'epa-progress-callback-function | |
1215 | ;; "Signing keys...")) | |
1216 | ;; (message "Signing keys...") | |
1217 | ;; (epg-sign-keys context keys local) | |
1218 | ;; (message "Signing keys...done"))) | |
1219 | ;; (make-obsolete 'epa-sign-keys "Do not use.") | |
1220 | ||
1221 | (provide 'epa) | |
1222 | ||
1223 | ;;; epa.el ends here |