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c154c0be | 1 | ;;; epa.el --- the EasyPG Assistant |
114f9c96 | 2 | ;; Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
c154c0be MO |
3 | |
4 | ;; Author: Daiki Ueno <ueno@unixuser.org> | |
5 | ;; Keywords: PGP, GnuPG | |
6 | ||
7 | ;; This file is part of GNU Emacs. | |
8 | ||
eb3fa2cf | 9 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
c154c0be | 10 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
11 | ;; the Free Software Foundation, either version 3 of the License, or |
12 | ;; (at your option) any later version. | |
c154c0be MO |
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 | |
eb3fa2cf | 20 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
c154c0be MO |
21 | |
22 | ;;; Code: | |
23 | ||
24 | (require 'epg) | |
25 | (require 'font-lock) | |
26 | (require 'widget) | |
27 | (eval-when-compile (require 'wid-edit)) | |
28 | (require 'derived) | |
29 | ||
30 | (defgroup epa nil | |
31 | "The EasyPG Assistant" | |
0bd4f317 | 32 | :version "23.1" |
c154c0be MO |
33 | :group 'epg) |
34 | ||
35 | (defcustom epa-popup-info-window t | |
36 | "If non-nil, status information from epa commands is displayed on | |
37 | the separate window." | |
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 | ||
51 | (defface epa-validity-high | |
52 | `((((class color) (background dark)) | |
53 | (:foreground "PaleTurquoise" | |
54 | ,@(if (assq ':weight custom-face-attributes) | |
55 | '(:weight bold) | |
56 | '(:bold t)))) | |
57 | (t | |
58 | (,@(if (assq ':weight custom-face-attributes) | |
59 | '(:weight bold) | |
60 | '(:bold t))))) | |
61 | "Face used for displaying the high validity." | |
62 | :group 'epa-faces) | |
63 | ||
64 | (defface epa-validity-medium | |
65 | `((((class color) (background dark)) | |
66 | (:foreground "PaleTurquoise" | |
67 | ,@(if (assq ':slant custom-face-attributes) | |
68 | '(:slant italic) | |
69 | '(:italic t)))) | |
70 | (t | |
71 | (,@(if (assq ':slant custom-face-attributes) | |
72 | '(:slant italic) | |
73 | '(:italic t))))) | |
74 | "Face used for displaying the medium validity." | |
75 | :group 'epa-faces) | |
76 | ||
77 | (defface epa-validity-low | |
78 | `((t | |
79 | (,@(if (assq ':slant custom-face-attributes) | |
80 | '(:slant italic) | |
81 | '(:italic t))))) | |
82 | "Face used for displaying the low validity." | |
83 | :group 'epa-faces) | |
84 | ||
85 | (defface epa-validity-disabled | |
86 | `((t | |
87 | (,@(if (assq ':slant custom-face-attributes) | |
88 | '(:slant italic) | |
89 | '(:italic t)) | |
90 | :inverse-video t))) | |
91 | "Face used for displaying the disabled validity." | |
92 | :group 'epa-faces) | |
93 | ||
94 | (defface epa-string | |
95 | '((((class color) (background dark)) | |
96 | (:foreground "lightyellow")) | |
97 | (((class color) (background light)) | |
98 | (:foreground "blue4"))) | |
99 | "Face used for displaying the string." | |
100 | :group 'epa-faces) | |
101 | ||
102 | (defface epa-mark | |
103 | `((((class color) (background dark)) | |
104 | (:foreground "orange" | |
105 | ,@(if (assq ':weight custom-face-attributes) | |
106 | '(:weight bold) | |
107 | '(:bold t)))) | |
108 | (((class color) (background light)) | |
109 | (:foreground "red" | |
110 | ,@(if (assq ':weight custom-face-attributes) | |
111 | '(:weight bold) | |
112 | '(:bold t)))) | |
113 | (t | |
114 | (,@(if (assq ':weight custom-face-attributes) | |
115 | '(:weight bold) | |
116 | '(:bold t))))) | |
117 | "Face used for displaying the high validity." | |
118 | :group 'epa-faces) | |
119 | ||
120 | (defface epa-field-name | |
121 | `((((class color) (background dark)) | |
122 | (:foreground "PaleTurquoise" | |
123 | ,@(if (assq ':weight custom-face-attributes) | |
124 | '(:weight bold) | |
125 | '(:bold t)))) | |
126 | (t | |
127 | (,@(if (assq ':weight custom-face-attributes) | |
128 | '(:weight bold) | |
129 | '(:bold t))))) | |
130 | "Face for the name of the attribute field." | |
131 | :group 'epa) | |
132 | ||
133 | (defface epa-field-body | |
134 | `((((class color) (background dark)) | |
135 | (:foreground "turquoise" | |
136 | ,@(if (assq ':slant custom-face-attributes) | |
137 | '(:slant italic) | |
138 | '(:italic t)))) | |
139 | (t | |
140 | (,@(if (assq ':slant custom-face-attributes) | |
141 | '(:slant italic) | |
142 | '(:italic t))))) | |
143 | "Face for the body of the attribute field." | |
144 | :group 'epa) | |
145 | ||
146 | (defcustom epa-validity-face-alist | |
147 | '((unknown . epa-validity-disabled) | |
148 | (invalid . epa-validity-disabled) | |
149 | (disabled . epa-validity-disabled) | |
150 | (revoked . epa-validity-disabled) | |
151 | (expired . epa-validity-disabled) | |
152 | (none . epa-validity-low) | |
153 | (undefined . epa-validity-low) | |
154 | (never . epa-validity-low) | |
155 | (marginal . epa-validity-medium) | |
156 | (full . epa-validity-high) | |
157 | (ultimate . epa-validity-high)) | |
158 | "An alist mapping validity values to faces." | |
159 | :type '(repeat (cons symbol face)) | |
160 | :group 'epa) | |
161 | ||
162 | (defvar epa-font-lock-keywords | |
163 | '(("^\\*" | |
164 | (0 'epa-mark)) | |
165 | ("^\t\\([^\t:]+:\\)[ \t]*\\(.*\\)$" | |
166 | (1 'epa-field-name) | |
167 | (2 'epa-field-body))) | |
168 | "Default expressions to addon in epa-mode.") | |
169 | ||
170 | (defconst epa-pubkey-algorithm-letter-alist | |
171 | '((1 . ?R) | |
172 | (2 . ?r) | |
173 | (3 . ?s) | |
174 | (16 . ?g) | |
175 | (17 . ?D) | |
176 | (20 . ?G))) | |
177 | ||
178 | (defvar epa-protocol 'OpenPGP | |
179 | "*The default protocol. | |
180 | The value can be either OpenPGP or CMS. | |
181 | ||
182 | You should bind this variable with `let', but do not set it globally.") | |
183 | ||
184 | (defvar epa-armor nil | |
185 | "*If non-nil, epa commands create ASCII armored output. | |
186 | ||
187 | You should bind this variable with `let', but do not set it globally.") | |
188 | ||
189 | (defvar epa-textmode nil | |
190 | "*If non-nil, epa commands treat input files as text. | |
191 | ||
192 | You should bind this variable with `let', but do not set it globally.") | |
193 | ||
194 | (defvar epa-keys-buffer nil) | |
195 | (defvar epa-key-buffer-alist nil) | |
196 | (defvar epa-key nil) | |
197 | (defvar epa-list-keys-arguments nil) | |
198 | (defvar epa-info-buffer nil) | |
199 | (defvar epa-last-coding-system-specified nil) | |
200 | ||
201 | (defvar epa-key-list-mode-map | |
dc9b613e GM |
202 | (let ((keymap (make-sparse-keymap)) |
203 | (menu-map (make-sparse-keymap))) | |
c154c0be MO |
204 | (define-key keymap "m" 'epa-mark-key) |
205 | (define-key keymap "u" 'epa-unmark-key) | |
206 | (define-key keymap "d" 'epa-decrypt-file) | |
207 | (define-key keymap "v" 'epa-verify-file) | |
208 | (define-key keymap "s" 'epa-sign-file) | |
209 | (define-key keymap "e" 'epa-encrypt-file) | |
210 | (define-key keymap "r" 'epa-delete-keys) | |
211 | (define-key keymap "i" 'epa-import-keys) | |
212 | (define-key keymap "o" 'epa-export-keys) | |
213 | (define-key keymap "g" 'revert-buffer) | |
214 | (define-key keymap "n" 'next-line) | |
215 | (define-key keymap "p" 'previous-line) | |
216 | (define-key keymap " " 'scroll-up) | |
217 | (define-key keymap [delete] 'scroll-down) | |
218 | (define-key keymap "q" 'epa-exit-buffer) | |
dc9b613e | 219 | (define-key keymap [menu-bar epa-key-list-mode] (cons "Keys" menu-map)) |
703b9611 DN |
220 | (define-key menu-map [epa-key-list-unmark-key] |
221 | '(menu-item "Unmark Key" epa-unmark-key | |
222 | :help "Unmark a key")) | |
223 | (define-key menu-map [epa-key-list-mark-key] | |
224 | '(menu-item "Mark Key" epa-mark-key | |
225 | :help "Mark a key")) | |
226 | (define-key menu-map [separator-epa-file] '(menu-item "--")) | |
227 | (define-key menu-map [epa-verify-file] | |
228 | '(menu-item "Verify File..." epa-verify-file | |
229 | :help "Verify FILE")) | |
230 | (define-key menu-map [epa-sign-file] | |
231 | '(menu-item "Sign File..." epa-sign-file | |
232 | :help "Sign FILE by SIGNERS keys selected")) | |
233 | (define-key menu-map [epa-decrypt-file] | |
234 | '(menu-item "Decrypt File..." epa-decrypt-file | |
235 | :help "Decrypt FILE")) | |
236 | (define-key menu-map [epa-encrypt-file] | |
d88444f2 | 237 | '(menu-item "Encrypt File..." epa-encrypt-file |
703b9611 DN |
238 | :help "Encrypt FILE for RECIPIENTS")) |
239 | (define-key menu-map [separator-epa-key-list] '(menu-item "--")) | |
dc9b613e GM |
240 | (define-key menu-map [epa-key-list-delete-keys] |
241 | '(menu-item "Delete keys" epa-delete-keys | |
703b9611 | 242 | :help "Delete Marked Keys")) |
dc9b613e | 243 | (define-key menu-map [epa-key-list-import-keys] |
703b9611 | 244 | '(menu-item "Import Keys" epa-import-keys |
dc9b613e GM |
245 | :help "Import keys from a file")) |
246 | (define-key menu-map [epa-key-list-export-keys] | |
703b9611 | 247 | '(menu-item "Export Keys" epa-export-keys |
dc9b613e | 248 | :help "Export marked keys to a file")) |
c154c0be MO |
249 | keymap)) |
250 | ||
251 | (defvar epa-key-mode-map | |
252 | (let ((keymap (make-sparse-keymap))) | |
253 | (define-key keymap "q" 'epa-exit-buffer) | |
254 | keymap)) | |
255 | ||
256 | (defvar epa-info-mode-map | |
257 | (let ((keymap (make-sparse-keymap))) | |
258 | (define-key keymap "q" 'delete-window) | |
259 | keymap)) | |
260 | ||
261 | (defvar epa-exit-buffer-function #'bury-buffer) | |
262 | ||
263 | (define-widget 'epa-key 'push-button | |
264 | "Button for representing a epg-key object." | |
265 | :format "%[%v%]" | |
266 | :button-face-get 'epa--key-widget-button-face-get | |
267 | :value-create 'epa--key-widget-value-create | |
268 | :action 'epa--key-widget-action | |
269 | :help-echo 'epa--key-widget-help-echo) | |
270 | ||
271 | (defun epa--key-widget-action (widget &optional event) | |
a648af17 DU |
272 | (save-selected-window |
273 | (epa--show-key (widget-get widget :value)))) | |
c154c0be MO |
274 | |
275 | (defun epa--key-widget-value-create (widget) | |
276 | (let* ((key (widget-get widget :value)) | |
277 | (primary-sub-key (car (epg-key-sub-key-list key))) | |
278 | (primary-user-id (car (epg-key-user-id-list key)))) | |
279 | (insert (format "%c " | |
280 | (if (epg-sub-key-validity primary-sub-key) | |
281 | (car (rassq (epg-sub-key-validity primary-sub-key) | |
282 | epg-key-validity-alist)) | |
283 | ? )) | |
284 | (epg-sub-key-id primary-sub-key) | |
285 | " " | |
286 | (if primary-user-id | |
287 | (if (stringp (epg-user-id-string primary-user-id)) | |
288 | (epg-user-id-string primary-user-id) | |
289 | (epg-decode-dn (epg-user-id-string primary-user-id))) | |
290 | "")))) | |
291 | ||
292 | (defun epa--key-widget-button-face-get (widget) | |
293 | (let ((validity (epg-sub-key-validity (car (epg-key-sub-key-list | |
294 | (widget-get widget :value)))))) | |
295 | (if validity | |
296 | (cdr (assq validity epa-validity-face-alist)) | |
297 | 'default))) | |
298 | ||
299 | (defun epa--key-widget-help-echo (widget) | |
300 | (format "Show %s" | |
301 | (epg-sub-key-id (car (epg-key-sub-key-list | |
302 | (widget-get widget :value)))))) | |
303 | ||
304 | (eval-and-compile | |
305 | (if (fboundp 'encode-coding-string) | |
306 | (defalias 'epa--encode-coding-string 'encode-coding-string) | |
307 | (defalias 'epa--encode-coding-string 'identity))) | |
308 | ||
309 | (eval-and-compile | |
310 | (if (fboundp 'decode-coding-string) | |
311 | (defalias 'epa--decode-coding-string 'decode-coding-string) | |
312 | (defalias 'epa--decode-coding-string 'identity))) | |
313 | ||
314 | (defun epa-key-list-mode () | |
315 | "Major mode for `epa-list-keys'." | |
316 | (kill-all-local-variables) | |
317 | (buffer-disable-undo) | |
318 | (setq major-mode 'epa-key-list-mode | |
319 | mode-name "Keys" | |
320 | truncate-lines t | |
321 | buffer-read-only t) | |
322 | (use-local-map epa-key-list-mode-map) | |
323 | (make-local-variable 'font-lock-defaults) | |
324 | (setq font-lock-defaults '(epa-font-lock-keywords t)) | |
325 | ;; In XEmacs, auto-initialization of font-lock is not effective | |
326 | ;; if buffer-file-name is not set. | |
327 | (font-lock-set-defaults) | |
328 | (make-local-variable 'epa-exit-buffer-function) | |
329 | (make-local-variable 'revert-buffer-function) | |
330 | (setq revert-buffer-function 'epa--key-list-revert-buffer) | |
64cc2f2c | 331 | (run-mode-hooks 'epa-key-list-mode-hook)) |
c154c0be MO |
332 | |
333 | (defun epa-key-mode () | |
334 | "Major mode for a key description." | |
335 | (kill-all-local-variables) | |
336 | (buffer-disable-undo) | |
337 | (setq major-mode 'epa-key-mode | |
338 | mode-name "Key" | |
339 | truncate-lines t | |
340 | buffer-read-only t) | |
341 | (use-local-map epa-key-mode-map) | |
342 | (make-local-variable 'font-lock-defaults) | |
343 | (setq font-lock-defaults '(epa-font-lock-keywords t)) | |
344 | ;; In XEmacs, auto-initialization of font-lock is not effective | |
345 | ;; if buffer-file-name is not set. | |
346 | (font-lock-set-defaults) | |
347 | (make-local-variable 'epa-exit-buffer-function) | |
64cc2f2c | 348 | (run-mode-hooks 'epa-key-mode-hook)) |
c154c0be MO |
349 | |
350 | (defun epa-info-mode () | |
351 | "Major mode for `epa-info-buffer'." | |
352 | (kill-all-local-variables) | |
353 | (buffer-disable-undo) | |
354 | (setq major-mode 'epa-info-mode | |
355 | mode-name "Info" | |
356 | truncate-lines t | |
357 | buffer-read-only t) | |
358 | (use-local-map epa-info-mode-map) | |
64cc2f2c | 359 | (run-mode-hooks 'epa-info-mode-hook)) |
c154c0be MO |
360 | |
361 | (defun epa-mark-key (&optional arg) | |
362 | "Mark a key on the current line. | |
363 | If ARG is non-nil, unmark the key." | |
364 | (interactive "P") | |
365 | (let ((inhibit-read-only t) | |
366 | buffer-read-only | |
367 | properties) | |
368 | (beginning-of-line) | |
369 | (unless (get-text-property (point) 'epa-key) | |
370 | (error "No key on this line")) | |
371 | (setq properties (text-properties-at (point))) | |
372 | (delete-char 1) | |
373 | (insert (if arg " " "*")) | |
374 | (set-text-properties (1- (point)) (point) properties) | |
375 | (forward-line))) | |
376 | ||
377 | (defun epa-unmark-key (&optional arg) | |
378 | "Unmark a key on the current line. | |
379 | If ARG is non-nil, mark the key." | |
380 | (interactive "P") | |
381 | (epa-mark-key (not arg))) | |
382 | ||
383 | (defun epa-exit-buffer () | |
384 | "Exit the current buffer. | |
385 | `epa-exit-buffer-function' is called if it is set." | |
386 | (interactive) | |
387 | (funcall epa-exit-buffer-function)) | |
388 | ||
389 | (defun epa--insert-keys (keys) | |
390 | (save-excursion | |
391 | (save-restriction | |
392 | (narrow-to-region (point) (point)) | |
393 | (let (point) | |
394 | (while keys | |
395 | (setq point (point)) | |
396 | (insert " ") | |
397 | (add-text-properties point (point) | |
398 | (list 'epa-key (car keys) | |
399 | 'front-sticky nil | |
400 | 'rear-nonsticky t | |
401 | 'start-open t | |
402 | 'end-open t)) | |
403 | (widget-create 'epa-key :value (car keys)) | |
404 | (insert "\n") | |
f1914c40 | 405 | (setq keys (cdr keys)))) |
c154c0be MO |
406 | (add-text-properties (point-min) (point-max) |
407 | (list 'epa-list-keys t | |
408 | 'front-sticky nil | |
409 | 'rear-nonsticky t | |
410 | 'start-open t | |
411 | 'end-open t))))) | |
412 | ||
413 | (defun epa--list-keys (name secret) | |
414 | (unless (and epa-keys-buffer | |
415 | (buffer-live-p epa-keys-buffer)) | |
416 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
417 | (set-buffer epa-keys-buffer) | |
418 | (epa-key-list-mode) | |
419 | (let ((inhibit-read-only t) | |
420 | buffer-read-only | |
421 | (point (point-min)) | |
422 | (context (epg-make-context epa-protocol))) | |
423 | (unless (get-text-property point 'epa-list-keys) | |
424 | (setq point (next-single-property-change point 'epa-list-keys))) | |
425 | (when point | |
426 | (delete-region point | |
427 | (or (next-single-property-change point 'epa-list-keys) | |
428 | (point-max))) | |
429 | (goto-char point)) | |
430 | (epa--insert-keys (epg-list-keys context name secret)) | |
431 | (widget-setup) | |
432 | (set-keymap-parent (current-local-map) widget-keymap)) | |
433 | (make-local-variable 'epa-list-keys-arguments) | |
434 | (setq epa-list-keys-arguments (list name secret)) | |
435 | (goto-char (point-min)) | |
436 | (pop-to-buffer (current-buffer))) | |
437 | ||
438 | ;;;###autoload | |
439 | (defun epa-list-keys (&optional name) | |
440 | "List all keys matched with NAME from the public keyring." | |
441 | (interactive | |
442 | (if current-prefix-arg | |
443 | (let ((name (read-string "Pattern: " | |
444 | (if epa-list-keys-arguments | |
445 | (car epa-list-keys-arguments))))) | |
446 | (list (if (equal name "") nil name))) | |
447 | (list nil))) | |
448 | (epa--list-keys name nil)) | |
449 | ||
450 | ;;;###autoload | |
451 | (defun epa-list-secret-keys (&optional name) | |
452 | "List all keys matched with NAME from the private keyring." | |
453 | (interactive | |
454 | (if current-prefix-arg | |
455 | (let ((name (read-string "Pattern: " | |
456 | (if epa-list-keys-arguments | |
457 | (car epa-list-keys-arguments))))) | |
458 | (list (if (equal name "") nil name))) | |
459 | (list nil))) | |
460 | (epa--list-keys name t)) | |
461 | ||
462 | (defun epa--key-list-revert-buffer (&optional ignore-auto noconfirm) | |
463 | (apply #'epa--list-keys epa-list-keys-arguments)) | |
464 | ||
465 | (defun epa--marked-keys () | |
7fdbcd83 | 466 | (or (with-current-buffer epa-keys-buffer |
c154c0be MO |
467 | (goto-char (point-min)) |
468 | (let (keys key) | |
469 | (while (re-search-forward "^\\*" nil t) | |
470 | (if (setq key (get-text-property (match-beginning 0) | |
471 | 'epa-key)) | |
472 | (setq keys (cons key keys)))) | |
473 | (nreverse keys))) | |
474 | (save-excursion | |
475 | (beginning-of-line) | |
476 | (let ((key (get-text-property (point) 'epa-key))) | |
477 | (if key | |
478 | (list key)))))) | |
479 | ||
480 | (defun epa--select-keys (prompt keys) | |
7fdbcd83 SM |
481 | (unless (and epa-keys-buffer |
482 | (buffer-live-p epa-keys-buffer)) | |
483 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
484 | (with-current-buffer epa-keys-buffer | |
c154c0be MO |
485 | (epa-key-list-mode) |
486 | (let ((inhibit-read-only t) | |
487 | buffer-read-only) | |
488 | (erase-buffer) | |
489 | (insert prompt "\n" | |
490 | (substitute-command-keys "\ | |
491 | - `\\[epa-mark-key]' to mark a key on the line | |
492 | - `\\[epa-unmark-key]' to unmark a key on the line\n")) | |
493 | (widget-create 'link | |
494 | :notify (lambda (&rest ignore) (abort-recursive-edit)) | |
495 | :help-echo | |
496 | (substitute-command-keys | |
497 | "Click here or \\[abort-recursive-edit] to cancel") | |
498 | "Cancel") | |
499 | (widget-create 'link | |
500 | :notify (lambda (&rest ignore) (exit-recursive-edit)) | |
501 | :help-echo | |
502 | (substitute-command-keys | |
503 | "Click here or \\[exit-recursive-edit] to finish") | |
504 | "OK") | |
505 | (insert "\n\n") | |
506 | (epa--insert-keys keys) | |
507 | (widget-setup) | |
508 | (set-keymap-parent (current-local-map) widget-keymap) | |
509 | (setq epa-exit-buffer-function #'abort-recursive-edit) | |
510 | (goto-char (point-min)) | |
397eb3f3 SM |
511 | (let ((display-buffer-mark-dedicated 'soft)) |
512 | (pop-to-buffer (current-buffer)))) | |
c154c0be MO |
513 | (unwind-protect |
514 | (progn | |
515 | (recursive-edit) | |
516 | (epa--marked-keys)) | |
c154c0be MO |
517 | (kill-buffer epa-keys-buffer)))) |
518 | ||
519 | ;;;###autoload | |
520 | (defun epa-select-keys (context prompt &optional names secret) | |
521 | "Display a user's keyring and ask him to select keys. | |
522 | CONTEXT is an epg-context. | |
523 | PROMPT is a string to prompt with. | |
524 | NAMES is a list of strings to be matched with keys. If it is nil, all | |
525 | the keys are listed. | |
526 | If SECRET is non-nil, list secret keys instead of public keys." | |
527 | (let ((keys (epg-list-keys context names secret))) | |
2c6c404a | 528 | (epa--select-keys prompt keys))) |
c154c0be MO |
529 | |
530 | (defun epa--show-key (key) | |
531 | (let* ((primary-sub-key (car (epg-key-sub-key-list key))) | |
532 | (entry (assoc (epg-sub-key-id primary-sub-key) | |
533 | epa-key-buffer-alist)) | |
534 | (inhibit-read-only t) | |
535 | buffer-read-only | |
536 | pointer) | |
537 | (unless entry | |
538 | (setq entry (cons (epg-sub-key-id primary-sub-key) nil) | |
539 | epa-key-buffer-alist (cons entry epa-key-buffer-alist))) | |
540 | (unless (and (cdr entry) | |
541 | (buffer-live-p (cdr entry))) | |
542 | (setcdr entry (generate-new-buffer | |
543 | (format "*Key*%s" (epg-sub-key-id primary-sub-key))))) | |
544 | (set-buffer (cdr entry)) | |
545 | (epa-key-mode) | |
546 | (make-local-variable 'epa-key) | |
547 | (setq epa-key key) | |
548 | (erase-buffer) | |
549 | (setq pointer (epg-key-user-id-list key)) | |
550 | (while pointer | |
551 | (if (car pointer) | |
552 | (insert " " | |
553 | (if (epg-user-id-validity (car pointer)) | |
554 | (char-to-string | |
555 | (car (rassq (epg-user-id-validity (car pointer)) | |
556 | epg-key-validity-alist))) | |
557 | " ") | |
558 | " " | |
559 | (if (stringp (epg-user-id-string (car pointer))) | |
560 | (epg-user-id-string (car pointer)) | |
561 | (epg-decode-dn (epg-user-id-string (car pointer)))) | |
562 | "\n")) | |
563 | (setq pointer (cdr pointer))) | |
564 | (setq pointer (epg-key-sub-key-list key)) | |
565 | (while pointer | |
566 | (insert " " | |
567 | (if (epg-sub-key-validity (car pointer)) | |
568 | (char-to-string | |
569 | (car (rassq (epg-sub-key-validity (car pointer)) | |
570 | epg-key-validity-alist))) | |
571 | " ") | |
572 | " " | |
573 | (epg-sub-key-id (car pointer)) | |
574 | " " | |
575 | (format "%dbits" | |
576 | (epg-sub-key-length (car pointer))) | |
577 | " " | |
578 | (cdr (assq (epg-sub-key-algorithm (car pointer)) | |
579 | epg-pubkey-algorithm-alist)) | |
580 | "\n\tCreated: " | |
581 | (condition-case nil | |
582 | (format-time-string "%Y-%m-%d" | |
583 | (epg-sub-key-creation-time (car pointer))) | |
584 | (error "????-??-??")) | |
585 | (if (epg-sub-key-expiration-time (car pointer)) | |
97c07afc DU |
586 | (format (if (time-less-p (current-time) |
587 | (epg-sub-key-expiration-time | |
588 | (car pointer))) | |
589 | "\n\tExpires: %s" | |
590 | "\n\tExpired: %s") | |
c154c0be MO |
591 | (condition-case nil |
592 | (format-time-string "%Y-%m-%d" | |
593 | (epg-sub-key-expiration-time | |
594 | (car pointer))) | |
595 | (error "????-??-??"))) | |
596 | "") | |
597 | "\n\tCapabilities: " | |
598 | (mapconcat #'symbol-name | |
599 | (epg-sub-key-capability (car pointer)) | |
600 | " ") | |
601 | "\n\tFingerprint: " | |
602 | (epg-sub-key-fingerprint (car pointer)) | |
603 | "\n") | |
604 | (setq pointer (cdr pointer))) | |
605 | (goto-char (point-min)) | |
606 | (pop-to-buffer (current-buffer)))) | |
607 | ||
608 | (defun epa-display-info (info) | |
609 | (if epa-popup-info-window | |
610 | (save-selected-window | |
611 | (unless (and epa-info-buffer (buffer-live-p epa-info-buffer)) | |
612 | (setq epa-info-buffer (generate-new-buffer "*Info*"))) | |
613 | (if (get-buffer-window epa-info-buffer) | |
614 | (delete-window (get-buffer-window epa-info-buffer))) | |
7fdbcd83 | 615 | (with-current-buffer epa-info-buffer |
c154c0be MO |
616 | (let ((inhibit-read-only t) |
617 | buffer-read-only) | |
618 | (erase-buffer) | |
619 | (insert info)) | |
620 | (epa-info-mode) | |
621 | (goto-char (point-min))) | |
622 | (if (> (window-height) | |
623 | epa-info-window-height) | |
624 | (set-window-buffer (split-window nil (- (window-height) | |
625 | epa-info-window-height)) | |
626 | epa-info-buffer) | |
627 | (pop-to-buffer epa-info-buffer) | |
628 | (if (> (window-height) epa-info-window-height) | |
629 | (shrink-window (- (window-height) epa-info-window-height))))) | |
630 | (message "%s" info))) | |
631 | ||
632 | (defun epa-display-verify-result (verify-result) | |
633 | (epa-display-info (epg-verify-result-to-string verify-result))) | |
5443c9b7 | 634 | (make-obsolete 'epa-display-verify-result 'epa-display-info "23.1") |
c154c0be MO |
635 | |
636 | (defun epa-passphrase-callback-function (context key-id handback) | |
637 | (if (eq key-id 'SYM) | |
7450df5d LMI |
638 | (read-passwd |
639 | (format "Passphrase for symmetric encryption%s: " | |
640 | (let ((elem (epg-context-passphrase-callback context))) | |
641 | ;; Add the file name to the prompt, if any. | |
642 | (if (and (consp elem) | |
643 | (stringp (cdr elem))) | |
644 | (format " for %s" (cdr elem)) | |
645 | ""))) | |
646 | (eq (epg-context-operation context) 'encrypt)) | |
c154c0be MO |
647 | (read-passwd |
648 | (if (eq key-id 'PIN) | |
649 | "Passphrase for PIN: " | |
650 | (let ((entry (assoc key-id epg-user-id-alist))) | |
651 | (if entry | |
652 | (format "Passphrase for %s %s: " key-id (cdr entry)) | |
653 | (format "Passphrase for %s: " key-id))))))) | |
654 | ||
655 | (defun epa-progress-callback-function (context what char current total | |
656 | handback) | |
657 | (message "%s%d%% (%d/%d)" (or handback | |
658 | (concat what ": ")) | |
659 | (if (> total 0) (floor (* (/ current (float total)) 100)) 0) | |
660 | current total)) | |
661 | ||
662 | ;;;###autoload | |
663 | (defun epa-decrypt-file (file) | |
664 | "Decrypt FILE." | |
665 | (interactive "fFile: ") | |
666 | (setq file (expand-file-name file)) | |
667 | (let* ((default-name (file-name-sans-extension file)) | |
668 | (plain (expand-file-name | |
669 | (read-file-name | |
670 | (concat "To file (default " | |
671 | (file-name-nondirectory default-name) | |
672 | ") ") | |
673 | (file-name-directory default-name) | |
674 | default-name))) | |
675 | (context (epg-make-context epa-protocol))) | |
676 | (epg-context-set-passphrase-callback context | |
677 | #'epa-passphrase-callback-function) | |
678 | (epg-context-set-progress-callback context | |
679 | (cons | |
680 | #'epa-progress-callback-function | |
681 | (format "Decrypting %s..." | |
682 | (file-name-nondirectory file)))) | |
683 | (message "Decrypting %s..." (file-name-nondirectory file)) | |
684 | (epg-decrypt-file context file plain) | |
685 | (message "Decrypting %s...wrote %s" (file-name-nondirectory file) | |
686 | (file-name-nondirectory plain)) | |
687 | (if (epg-context-result-for context 'verify) | |
688 | (epa-display-info (epg-verify-result-to-string | |
689 | (epg-context-result-for context 'verify)))))) | |
690 | ||
691 | ;;;###autoload | |
692 | (defun epa-verify-file (file) | |
693 | "Verify FILE." | |
694 | (interactive "fFile: ") | |
695 | (setq file (expand-file-name file)) | |
696 | (let* ((context (epg-make-context epa-protocol)) | |
697 | (plain (if (equal (file-name-extension file) "sig") | |
698 | (file-name-sans-extension file)))) | |
699 | (epg-context-set-progress-callback context | |
700 | (cons | |
701 | #'epa-progress-callback-function | |
702 | (format "Verifying %s..." | |
703 | (file-name-nondirectory file)))) | |
704 | (message "Verifying %s..." (file-name-nondirectory file)) | |
705 | (epg-verify-file context file plain) | |
706 | (message "Verifying %s...done" (file-name-nondirectory file)) | |
707 | (if (epg-context-result-for context 'verify) | |
708 | (epa-display-info (epg-verify-result-to-string | |
709 | (epg-context-result-for context 'verify)))))) | |
710 | ||
711 | (defun epa--read-signature-type () | |
712 | (let (type c) | |
713 | (while (null type) | |
714 | (message "Signature type (n,c,d,?) ") | |
715 | (setq c (read-char)) | |
716 | (cond ((eq c ?c) | |
717 | (setq type 'clear)) | |
718 | ((eq c ?d) | |
719 | (setq type 'detached)) | |
720 | ((eq c ??) | |
721 | (with-output-to-temp-buffer "*Help*" | |
7fdbcd83 | 722 | (with-current-buffer standard-output |
c154c0be MO |
723 | (insert "\ |
724 | n - Create a normal signature | |
725 | c - Create a cleartext signature | |
726 | d - Create a detached signature | |
727 | ? - Show this help | |
728 | ")))) | |
729 | (t | |
50f13b3e DU |
730 | (setq type 'normal)))) |
731 | type)) | |
c154c0be MO |
732 | |
733 | ;;;###autoload | |
734 | (defun epa-sign-file (file signers mode) | |
735 | "Sign FILE by SIGNERS keys selected." | |
736 | (interactive | |
737 | (let ((verbose current-prefix-arg)) | |
738 | (list (expand-file-name (read-file-name "File: ")) | |
739 | (if verbose | |
740 | (epa-select-keys (epg-make-context epa-protocol) | |
741 | "Select keys for signing. | |
742 | If no one is selected, default secret key is used. " | |
743 | nil t)) | |
744 | (if verbose | |
745 | (epa--read-signature-type) | |
746 | 'clear)))) | |
747 | (let ((signature (concat file | |
748 | (if (eq epa-protocol 'OpenPGP) | |
749 | (if (or epa-armor | |
750 | (not (memq mode | |
751 | '(nil t normal detached)))) | |
752 | ".asc" | |
753 | (if (memq mode '(t detached)) | |
754 | ".sig" | |
755 | ".gpg")) | |
756 | (if (memq mode '(t detached)) | |
757 | ".p7s" | |
758 | ".p7m")))) | |
759 | (context (epg-make-context epa-protocol))) | |
760 | (epg-context-set-armor context epa-armor) | |
761 | (epg-context-set-textmode context epa-textmode) | |
762 | (epg-context-set-signers context signers) | |
763 | (epg-context-set-passphrase-callback context | |
764 | #'epa-passphrase-callback-function) | |
765 | (epg-context-set-progress-callback context | |
766 | (cons | |
767 | #'epa-progress-callback-function | |
768 | (format "Signing %s..." | |
769 | (file-name-nondirectory file)))) | |
770 | (message "Signing %s..." (file-name-nondirectory file)) | |
771 | (epg-sign-file context file signature mode) | |
772 | (message "Signing %s...wrote %s" (file-name-nondirectory file) | |
773 | (file-name-nondirectory signature)))) | |
774 | ||
775 | ;;;###autoload | |
776 | (defun epa-encrypt-file (file recipients) | |
777 | "Encrypt FILE for RECIPIENTS." | |
778 | (interactive | |
779 | (list (expand-file-name (read-file-name "File: ")) | |
780 | (epa-select-keys (epg-make-context epa-protocol) | |
781 | "Select recipients for encryption. | |
782 | If no one is selected, symmetric encryption will be performed. "))) | |
783 | (let ((cipher (concat file (if (eq epa-protocol 'OpenPGP) | |
784 | (if epa-armor ".asc" ".gpg") | |
785 | ".p7m"))) | |
786 | (context (epg-make-context epa-protocol))) | |
787 | (epg-context-set-armor context epa-armor) | |
788 | (epg-context-set-textmode context epa-textmode) | |
789 | (epg-context-set-passphrase-callback context | |
790 | #'epa-passphrase-callback-function) | |
791 | (epg-context-set-progress-callback context | |
792 | (cons | |
793 | #'epa-progress-callback-function | |
794 | (format "Encrypting %s..." | |
795 | (file-name-nondirectory file)))) | |
796 | (message "Encrypting %s..." (file-name-nondirectory file)) | |
797 | (epg-encrypt-file context file recipients cipher) | |
798 | (message "Encrypting %s...wrote %s" (file-name-nondirectory file) | |
799 | (file-name-nondirectory cipher)))) | |
800 | ||
801 | ;;;###autoload | |
802 | (defun epa-decrypt-region (start end) | |
803 | "Decrypt the current region between START and END. | |
804 | ||
2c6c404a MO |
805 | Don't use this command in Lisp programs! |
806 | Since this function operates on regions, it does some tricks such | |
807 | as coding-system detection and unibyte/multibyte conversion. If | |
808 | you are sure how the data in the region should be treated, you | |
809 | should consider using the string based counterpart | |
810 | `epg-decrypt-string', or the file based counterpart | |
811 | `epg-decrypt-file' instead. | |
812 | ||
813 | For example: | |
814 | ||
815 | \(let ((context (epg-make-context 'OpenPGP))) | |
816 | (decode-coding-string | |
817 | (epg-decrypt-string context (buffer-substring start end)) | |
818 | 'utf-8))" | |
c154c0be MO |
819 | (interactive "r") |
820 | (save-excursion | |
821 | (let ((context (epg-make-context epa-protocol)) | |
822 | plain) | |
823 | (epg-context-set-passphrase-callback context | |
824 | #'epa-passphrase-callback-function) | |
825 | (epg-context-set-progress-callback context | |
826 | (cons | |
827 | #'epa-progress-callback-function | |
828 | "Decrypting...")) | |
829 | (message "Decrypting...") | |
830 | (setq plain (epg-decrypt-string context (buffer-substring start end))) | |
831 | (message "Decrypting...done") | |
832 | (setq plain (epa--decode-coding-string | |
833 | plain | |
834 | (or coding-system-for-read | |
42481bde DU |
835 | (get-text-property start 'epa-coding-system-used) |
836 | 'undecided))) | |
c154c0be MO |
837 | (if (y-or-n-p "Replace the original text? ") |
838 | (let ((inhibit-read-only t) | |
839 | buffer-read-only) | |
840 | (delete-region start end) | |
841 | (goto-char start) | |
842 | (insert plain)) | |
843 | (with-output-to-temp-buffer "*Temp*" | |
844 | (set-buffer standard-output) | |
845 | (insert plain) | |
846 | (epa-info-mode))) | |
847 | (if (epg-context-result-for context 'verify) | |
848 | (epa-display-info (epg-verify-result-to-string | |
849 | (epg-context-result-for context 'verify))))))) | |
850 | ||
851 | (defun epa--find-coding-system-for-mime-charset (mime-charset) | |
852 | (if (featurep 'xemacs) | |
853 | (if (fboundp 'find-coding-system) | |
854 | (find-coding-system mime-charset)) | |
855 | (let ((pointer (coding-system-list))) | |
856 | (while (and pointer | |
857 | (eq (coding-system-get (car pointer) 'mime-charset) | |
858 | mime-charset)) | |
859 | (setq pointer (cdr pointer))) | |
860 | pointer))) | |
861 | ||
862 | ;;;###autoload | |
863 | (defun epa-decrypt-armor-in-region (start end) | |
864 | "Decrypt OpenPGP armors in the current region between START and END. | |
865 | ||
2c6c404a MO |
866 | Don't use this command in Lisp programs! |
867 | See the reason described in the `epa-decrypt-region' documentation." | |
c154c0be MO |
868 | (interactive "r") |
869 | (save-excursion | |
870 | (save-restriction | |
871 | (narrow-to-region start end) | |
872 | (goto-char start) | |
873 | (let (armor-start armor-end) | |
874 | (while (re-search-forward "-----BEGIN PGP MESSAGE-----$" nil t) | |
875 | (setq armor-start (match-beginning 0) | |
876 | armor-end (re-search-forward "^-----END PGP MESSAGE-----$" | |
877 | nil t)) | |
878 | (unless armor-end | |
879 | (error "No armor tail")) | |
880 | (goto-char armor-start) | |
881 | (let ((coding-system-for-read | |
882 | (or coding-system-for-read | |
883 | (if (re-search-forward "^Charset: \\(.*\\)" armor-end t) | |
884 | (epa--find-coding-system-for-mime-charset | |
885 | (intern (downcase (match-string 1)))))))) | |
886 | (goto-char armor-end) | |
887 | (epa-decrypt-region armor-start armor-end))))))) | |
888 | ||
889 | ;;;###autoload | |
890 | (defun epa-verify-region (start end) | |
891 | "Verify the current region between START and END. | |
892 | ||
2c6c404a MO |
893 | Don't use this command in Lisp programs! |
894 | Since this function operates on regions, it does some tricks such | |
895 | as coding-system detection and unibyte/multibyte conversion. If | |
896 | you are sure how the data in the region should be treated, you | |
897 | should consider using the string based counterpart | |
898 | `epg-verify-string', or the file based counterpart | |
899 | `epg-verify-file' instead. | |
900 | ||
901 | For example: | |
902 | ||
903 | \(let ((context (epg-make-context 'OpenPGP))) | |
904 | (decode-coding-string | |
905 | (epg-verify-string context (buffer-substring start end)) | |
906 | 'utf-8))" | |
c154c0be MO |
907 | (interactive "r") |
908 | (let ((context (epg-make-context epa-protocol)) | |
909 | plain) | |
910 | (epg-context-set-progress-callback context | |
911 | (cons | |
912 | #'epa-progress-callback-function | |
913 | "Verifying...")) | |
914 | (message "Verifying...") | |
915 | (setq plain (epg-verify-string | |
916 | context | |
917 | (epa--encode-coding-string | |
918 | (buffer-substring start end) | |
919 | (or coding-system-for-write | |
920 | (get-text-property start 'epa-coding-system-used))))) | |
921 | (message "Verifying...done") | |
922 | (setq plain (epa--decode-coding-string | |
923 | plain | |
924 | (or coding-system-for-read | |
42481bde DU |
925 | (get-text-property start 'epa-coding-system-used) |
926 | 'undecided))) | |
c154c0be MO |
927 | (if (y-or-n-p "Replace the original text? ") |
928 | (let ((inhibit-read-only t) | |
929 | buffer-read-only) | |
930 | (delete-region start end) | |
931 | (goto-char start) | |
932 | (insert plain)) | |
933 | (with-output-to-temp-buffer "*Temp*" | |
934 | (set-buffer standard-output) | |
935 | (insert plain) | |
936 | (epa-info-mode))) | |
937 | (if (epg-context-result-for context 'verify) | |
938 | (epa-display-info (epg-verify-result-to-string | |
939 | (epg-context-result-for context 'verify)))))) | |
940 | ||
941 | ;;;###autoload | |
942 | (defun epa-verify-cleartext-in-region (start end) | |
943 | "Verify OpenPGP cleartext signed messages in the current region | |
944 | between START and END. | |
945 | ||
2c6c404a MO |
946 | Don't use this command in Lisp programs! |
947 | See the reason described in the `epa-verify-region' documentation." | |
c154c0be MO |
948 | (interactive "r") |
949 | (save-excursion | |
950 | (save-restriction | |
951 | (narrow-to-region start end) | |
952 | (goto-char start) | |
953 | (let (cleartext-start cleartext-end) | |
954 | (while (re-search-forward "-----BEGIN PGP SIGNED MESSAGE-----$" | |
955 | nil t) | |
956 | (setq cleartext-start (match-beginning 0)) | |
957 | (unless (re-search-forward "^-----BEGIN PGP SIGNATURE-----$" | |
958 | nil t) | |
959 | (error "Invalid cleartext signed message")) | |
960 | (setq cleartext-end (re-search-forward | |
961 | "^-----END PGP SIGNATURE-----$" | |
962 | nil t)) | |
963 | (unless cleartext-end | |
964 | (error "No cleartext tail")) | |
965 | (epa-verify-region cleartext-start cleartext-end)))))) | |
966 | ||
967 | (eval-and-compile | |
968 | (if (fboundp 'select-safe-coding-system) | |
969 | (defalias 'epa--select-safe-coding-system 'select-safe-coding-system) | |
970 | (defun epa--select-safe-coding-system (from to) | |
971 | buffer-file-coding-system))) | |
972 | ||
973 | ;;;###autoload | |
974 | (defun epa-sign-region (start end signers mode) | |
975 | "Sign the current region between START and END by SIGNERS keys selected. | |
976 | ||
2c6c404a MO |
977 | Don't use this command in Lisp programs! |
978 | Since this function operates on regions, it does some tricks such | |
979 | as coding-system detection and unibyte/multibyte conversion. If | |
980 | you are sure how the data should be treated, you should consider | |
981 | using the string based counterpart `epg-sign-string', or the file | |
982 | based counterpart `epg-sign-file' instead. | |
983 | ||
984 | For example: | |
985 | ||
986 | \(let ((context (epg-make-context 'OpenPGP))) | |
987 | (epg-sign-string | |
988 | context | |
989 | (encode-coding-string (buffer-substring start end) 'utf-8)))" | |
c154c0be MO |
990 | (interactive |
991 | (let ((verbose current-prefix-arg)) | |
992 | (setq epa-last-coding-system-specified | |
993 | (or coding-system-for-write | |
994 | (epa--select-safe-coding-system | |
995 | (region-beginning) (region-end)))) | |
996 | (list (region-beginning) (region-end) | |
997 | (if verbose | |
998 | (epa-select-keys (epg-make-context epa-protocol) | |
999 | "Select keys for signing. | |
1000 | If no one is selected, default secret key is used. " | |
1001 | nil t)) | |
1002 | (if verbose | |
1003 | (epa--read-signature-type) | |
1004 | 'clear)))) | |
1005 | (save-excursion | |
1006 | (let ((context (epg-make-context epa-protocol)) | |
1007 | signature) | |
1008 | ;;(epg-context-set-armor context epa-armor) | |
1009 | (epg-context-set-armor context t) | |
1010 | ;;(epg-context-set-textmode context epa-textmode) | |
1011 | (epg-context-set-textmode context t) | |
1012 | (epg-context-set-signers context signers) | |
1013 | (epg-context-set-passphrase-callback context | |
1014 | #'epa-passphrase-callback-function) | |
1015 | (epg-context-set-progress-callback context | |
1016 | (cons | |
1017 | #'epa-progress-callback-function | |
1018 | "Signing...")) | |
1019 | (message "Signing...") | |
1020 | (setq signature (epg-sign-string context | |
1021 | (epa--encode-coding-string | |
1022 | (buffer-substring start end) | |
1023 | epa-last-coding-system-specified) | |
1024 | mode)) | |
1025 | (message "Signing...done") | |
1026 | (delete-region start end) | |
1027 | (goto-char start) | |
1028 | (add-text-properties (point) | |
1029 | (progn | |
1030 | (insert (epa--decode-coding-string | |
1031 | signature | |
1032 | (or coding-system-for-read | |
1033 | epa-last-coding-system-specified))) | |
1034 | (point)) | |
1035 | (list 'epa-coding-system-used | |
1036 | epa-last-coding-system-specified | |
1037 | 'front-sticky nil | |
1038 | 'rear-nonsticky t | |
1039 | 'start-open t | |
1040 | 'end-open t))))) | |
1041 | ||
1042 | (eval-and-compile | |
1043 | (if (fboundp 'derived-mode-p) | |
1044 | (defalias 'epa--derived-mode-p 'derived-mode-p) | |
1045 | (defun epa--derived-mode-p (&rest modes) | |
1046 | "Non-nil if the current major mode is derived from one of MODES. | |
1047 | Uses the `derived-mode-parent' property of the symbol to trace backwards." | |
1048 | (let ((parent major-mode)) | |
1049 | (while (and (not (memq parent modes)) | |
1050 | (setq parent (get parent 'derived-mode-parent)))) | |
1051 | parent)))) | |
1052 | ||
1053 | ;;;###autoload | |
1054 | (defun epa-encrypt-region (start end recipients sign signers) | |
1055 | "Encrypt the current region between START and END for RECIPIENTS. | |
1056 | ||
2c6c404a MO |
1057 | Don't use this command in Lisp programs! |
1058 | Since this function operates on regions, it does some tricks such | |
1059 | as coding-system detection and unibyte/multibyte conversion. If | |
1060 | you are sure how the data should be treated, you should consider | |
1061 | using the string based counterpart `epg-encrypt-string', or the | |
1062 | file based counterpart `epg-encrypt-file' instead. | |
1063 | ||
1064 | For example: | |
1065 | ||
1066 | \(let ((context (epg-make-context 'OpenPGP))) | |
1067 | (epg-encrypt-string | |
1068 | context | |
1069 | (encode-coding-string (buffer-substring start end) 'utf-8) | |
1070 | nil))" | |
c154c0be MO |
1071 | (interactive |
1072 | (let ((verbose current-prefix-arg) | |
1073 | (context (epg-make-context epa-protocol)) | |
1074 | sign) | |
1075 | (setq epa-last-coding-system-specified | |
1076 | (or coding-system-for-write | |
1077 | (epa--select-safe-coding-system | |
1078 | (region-beginning) (region-end)))) | |
1079 | (list (region-beginning) (region-end) | |
1080 | (epa-select-keys context | |
1081 | "Select recipients for encryption. | |
1082 | If no one is selected, symmetric encryption will be performed. ") | |
1083 | (setq sign (if verbose (y-or-n-p "Sign? "))) | |
1084 | (if sign | |
1085 | (epa-select-keys context | |
1086 | "Select keys for signing. "))))) | |
1087 | (save-excursion | |
1088 | (let ((context (epg-make-context epa-protocol)) | |
1089 | cipher) | |
1090 | ;;(epg-context-set-armor context epa-armor) | |
1091 | (epg-context-set-armor context t) | |
1092 | ;;(epg-context-set-textmode context epa-textmode) | |
1093 | (epg-context-set-textmode context t) | |
1094 | (if sign | |
1095 | (epg-context-set-signers context signers)) | |
1096 | (epg-context-set-passphrase-callback context | |
1097 | #'epa-passphrase-callback-function) | |
1098 | (epg-context-set-progress-callback context | |
1099 | (cons | |
1100 | #'epa-progress-callback-function | |
1101 | "Encrypting...")) | |
1102 | (message "Encrypting...") | |
1103 | (setq cipher (epg-encrypt-string context | |
1104 | (epa--encode-coding-string | |
1105 | (buffer-substring start end) | |
1106 | epa-last-coding-system-specified) | |
1107 | recipients | |
1108 | sign)) | |
1109 | (message "Encrypting...done") | |
1110 | (delete-region start end) | |
1111 | (goto-char start) | |
1112 | (add-text-properties (point) | |
1113 | (progn | |
1114 | (insert cipher) | |
1115 | (point)) | |
1116 | (list 'epa-coding-system-used | |
1117 | epa-last-coding-system-specified | |
1118 | 'front-sticky nil | |
1119 | 'rear-nonsticky t | |
1120 | 'start-open t | |
1121 | 'end-open t))))) | |
1122 | ||
1123 | ;;;###autoload | |
1124 | (defun epa-delete-keys (keys &optional allow-secret) | |
2c6c404a | 1125 | "Delete selected KEYS." |
c154c0be MO |
1126 | (interactive |
1127 | (let ((keys (epa--marked-keys))) | |
1128 | (unless keys | |
1129 | (error "No keys selected")) | |
1130 | (list keys | |
1131 | (eq (nth 1 epa-list-keys-arguments) t)))) | |
1132 | (let ((context (epg-make-context epa-protocol))) | |
1133 | (message "Deleting...") | |
1134 | (epg-delete-keys context keys allow-secret) | |
1135 | (message "Deleting...done") | |
dc9b613e | 1136 | (apply #'epa--list-keys epa-list-keys-arguments))) |
c154c0be MO |
1137 | |
1138 | ;;;###autoload | |
1139 | (defun epa-import-keys (file) | |
2c6c404a | 1140 | "Import keys from FILE." |
c154c0be MO |
1141 | (interactive "fFile: ") |
1142 | (setq file (expand-file-name file)) | |
1143 | (let ((context (epg-make-context epa-protocol))) | |
1144 | (message "Importing %s..." (file-name-nondirectory file)) | |
1145 | (condition-case nil | |
1146 | (progn | |
1147 | (epg-import-keys-from-file context file) | |
1148 | (message "Importing %s...done" (file-name-nondirectory file))) | |
1149 | (error | |
1150 | (message "Importing %s...failed" (file-name-nondirectory file)))) | |
1151 | (if (epg-context-result-for context 'import) | |
1152 | (epa-display-info (epg-import-result-to-string | |
1153 | (epg-context-result-for context 'import)))) | |
1154 | (if (eq major-mode 'epa-key-list-mode) | |
dc9b613e | 1155 | (apply #'epa--list-keys epa-list-keys-arguments)))) |
c154c0be MO |
1156 | |
1157 | ;;;###autoload | |
1158 | (defun epa-import-keys-region (start end) | |
2c6c404a | 1159 | "Import keys from the region." |
c154c0be MO |
1160 | (interactive "r") |
1161 | (let ((context (epg-make-context epa-protocol))) | |
1162 | (message "Importing...") | |
1163 | (condition-case nil | |
1164 | (progn | |
1165 | (epg-import-keys-from-string context (buffer-substring start end)) | |
1166 | (message "Importing...done")) | |
1167 | (error | |
1168 | (message "Importing...failed"))) | |
1169 | (if (epg-context-result-for context 'import) | |
1170 | (epa-display-info (epg-import-result-to-string | |
1171 | (epg-context-result-for context 'import)))))) | |
1172 | ||
1173 | ;;;###autoload | |
1174 | (defun epa-import-armor-in-region (start end) | |
1175 | "Import keys in the OpenPGP armor format in the current region | |
2c6c404a | 1176 | between START and END." |
c154c0be MO |
1177 | (interactive "r") |
1178 | (save-excursion | |
1179 | (save-restriction | |
1180 | (narrow-to-region start end) | |
1181 | (goto-char start) | |
1182 | (let (armor-start armor-end) | |
1183 | (while (re-search-forward | |
1184 | "-----BEGIN \\(PGP \\(PUBLIC\\|PRIVATE\\) KEY BLOCK\\)-----$" | |
1185 | nil t) | |
1186 | (setq armor-start (match-beginning 0) | |
1187 | armor-end (re-search-forward | |
1188 | (concat "^-----END " (match-string 1) "-----$") | |
1189 | nil t)) | |
1190 | (unless armor-end | |
1191 | (error "No armor tail")) | |
1192 | (epa-import-keys-region armor-start armor-end)))))) | |
1193 | ||
1194 | ;;;###autoload | |
1195 | (defun epa-export-keys (keys file) | |
2c6c404a | 1196 | "Export selected KEYS to FILE." |
c154c0be MO |
1197 | (interactive |
1198 | (let ((keys (epa--marked-keys)) | |
1199 | default-name) | |
1200 | (unless keys | |
1201 | (error "No keys selected")) | |
1202 | (setq default-name | |
1203 | (expand-file-name | |
1204 | (concat (epg-sub-key-id (car (epg-key-sub-key-list (car keys)))) | |
1205 | (if epa-armor ".asc" ".gpg")) | |
1206 | default-directory)) | |
1207 | (list keys | |
1208 | (expand-file-name | |
1209 | (read-file-name | |
1210 | (concat "To file (default " | |
1211 | (file-name-nondirectory default-name) | |
1212 | ") ") | |
1213 | (file-name-directory default-name) | |
1214 | default-name))))) | |
1215 | (let ((context (epg-make-context epa-protocol))) | |
1216 | (epg-context-set-armor context epa-armor) | |
1217 | (message "Exporting to %s..." (file-name-nondirectory file)) | |
1218 | (epg-export-keys-to-file context keys file) | |
1219 | (message "Exporting to %s...done" (file-name-nondirectory file)))) | |
1220 | ||
1221 | ;;;###autoload | |
1222 | (defun epa-insert-keys (keys) | |
2c6c404a | 1223 | "Insert selected KEYS after the point." |
c154c0be MO |
1224 | (interactive |
1225 | (list (epa-select-keys (epg-make-context epa-protocol) | |
1226 | "Select keys to export. "))) | |
1227 | (let ((context (epg-make-context epa-protocol))) | |
1228 | ;;(epg-context-set-armor context epa-armor) | |
1229 | (epg-context-set-armor context t) | |
1230 | (insert (epg-export-keys-to-string context keys)))) | |
1231 | ||
1232 | ;; (defun epa-sign-keys (keys &optional local) | |
1233 | ;; "Sign selected KEYS. | |
1234 | ;; If a prefix-arg is specified, the signature is marked as non exportable. | |
1235 | ||
1236 | ;; Don't use this command in Lisp programs!" | |
1237 | ;; (interactive | |
1238 | ;; (let ((keys (epa--marked-keys))) | |
1239 | ;; (unless keys | |
1240 | ;; (error "No keys selected")) | |
1241 | ;; (list keys current-prefix-arg))) | |
1242 | ;; (let ((context (epg-make-context epa-protocol))) | |
1243 | ;; (epg-context-set-passphrase-callback context | |
1244 | ;; #'epa-passphrase-callback-function) | |
1245 | ;; (epg-context-set-progress-callback context | |
1246 | ;; (cons | |
1247 | ;; #'epa-progress-callback-function | |
1248 | ;; "Signing keys...")) | |
1249 | ;; (message "Signing keys...") | |
1250 | ;; (epg-sign-keys context keys local) | |
1251 | ;; (message "Signing keys...done"))) | |
1252 | ;; (make-obsolete 'epa-sign-keys "Do not use.") | |
1253 | ||
1254 | (provide 'epa) | |
1255 | ||
37b77401 | 1256 | ;; arch-tag: 38d20ced-20d5-4137-b17a-f206335423d7 |
c154c0be | 1257 | ;;; epa.el ends here |