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74f50695 | 1 | ;;; epa.el --- the EasyPG Assistant -*- lexical-binding: t -*- |
e9bffc61 | 2 | |
95df8112 | 3 | ;; Copyright (C) 2006-2011 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 | |
37 | "If non-nil, status information from epa commands is displayed on | |
38 | the separate window." | |
39 | :type 'boolean | |
40 | :group 'epa) | |
41 | ||
42 | (defcustom epa-info-window-height 5 | |
43 | "Number of lines used to display status information." | |
44 | :type 'integer | |
45 | :group 'epa) | |
46 | ||
47 | (defgroup epa-faces nil | |
48 | "Faces for epa-mode." | |
0bd4f317 | 49 | :version "23.1" |
c154c0be MO |
50 | :group 'epa) |
51 | ||
52 | (defface epa-validity-high | |
53 | `((((class color) (background dark)) | |
54 | (:foreground "PaleTurquoise" | |
55 | ,@(if (assq ':weight custom-face-attributes) | |
56 | '(:weight bold) | |
57 | '(:bold t)))) | |
58 | (t | |
59 | (,@(if (assq ':weight custom-face-attributes) | |
60 | '(:weight bold) | |
61 | '(:bold t))))) | |
62 | "Face used for displaying the high validity." | |
63 | :group 'epa-faces) | |
64 | ||
65 | (defface epa-validity-medium | |
66 | `((((class color) (background dark)) | |
67 | (:foreground "PaleTurquoise" | |
68 | ,@(if (assq ':slant custom-face-attributes) | |
69 | '(:slant italic) | |
70 | '(:italic t)))) | |
71 | (t | |
72 | (,@(if (assq ':slant custom-face-attributes) | |
73 | '(:slant italic) | |
74 | '(:italic t))))) | |
75 | "Face used for displaying the medium validity." | |
76 | :group 'epa-faces) | |
77 | ||
78 | (defface epa-validity-low | |
79 | `((t | |
80 | (,@(if (assq ':slant custom-face-attributes) | |
81 | '(:slant italic) | |
82 | '(:italic t))))) | |
83 | "Face used for displaying the low validity." | |
84 | :group 'epa-faces) | |
85 | ||
86 | (defface epa-validity-disabled | |
87 | `((t | |
88 | (,@(if (assq ':slant custom-face-attributes) | |
89 | '(:slant italic) | |
90 | '(:italic t)) | |
91 | :inverse-video t))) | |
92 | "Face used for displaying the disabled validity." | |
93 | :group 'epa-faces) | |
94 | ||
95 | (defface epa-string | |
96 | '((((class color) (background dark)) | |
97 | (:foreground "lightyellow")) | |
98 | (((class color) (background light)) | |
99 | (:foreground "blue4"))) | |
100 | "Face used for displaying the string." | |
101 | :group 'epa-faces) | |
102 | ||
103 | (defface epa-mark | |
104 | `((((class color) (background dark)) | |
105 | (:foreground "orange" | |
106 | ,@(if (assq ':weight custom-face-attributes) | |
107 | '(:weight bold) | |
108 | '(:bold t)))) | |
109 | (((class color) (background light)) | |
110 | (:foreground "red" | |
111 | ,@(if (assq ':weight custom-face-attributes) | |
112 | '(:weight bold) | |
113 | '(:bold t)))) | |
114 | (t | |
115 | (,@(if (assq ':weight custom-face-attributes) | |
116 | '(:weight bold) | |
117 | '(:bold t))))) | |
118 | "Face used for displaying the high validity." | |
119 | :group 'epa-faces) | |
120 | ||
121 | (defface epa-field-name | |
122 | `((((class color) (background dark)) | |
123 | (:foreground "PaleTurquoise" | |
124 | ,@(if (assq ':weight custom-face-attributes) | |
125 | '(:weight bold) | |
126 | '(:bold t)))) | |
127 | (t | |
128 | (,@(if (assq ':weight custom-face-attributes) | |
129 | '(:weight bold) | |
130 | '(:bold t))))) | |
131 | "Face for the name of the attribute field." | |
132 | :group 'epa) | |
133 | ||
134 | (defface epa-field-body | |
135 | `((((class color) (background dark)) | |
136 | (:foreground "turquoise" | |
137 | ,@(if (assq ':slant custom-face-attributes) | |
138 | '(:slant italic) | |
139 | '(:italic t)))) | |
140 | (t | |
141 | (,@(if (assq ':slant custom-face-attributes) | |
142 | '(:slant italic) | |
143 | '(:italic t))))) | |
144 | "Face for the body of the attribute field." | |
145 | :group 'epa) | |
146 | ||
147 | (defcustom epa-validity-face-alist | |
148 | '((unknown . epa-validity-disabled) | |
149 | (invalid . epa-validity-disabled) | |
150 | (disabled . epa-validity-disabled) | |
151 | (revoked . epa-validity-disabled) | |
152 | (expired . epa-validity-disabled) | |
153 | (none . epa-validity-low) | |
154 | (undefined . epa-validity-low) | |
155 | (never . epa-validity-low) | |
156 | (marginal . epa-validity-medium) | |
157 | (full . epa-validity-high) | |
158 | (ultimate . epa-validity-high)) | |
159 | "An alist mapping validity values to faces." | |
160 | :type '(repeat (cons symbol face)) | |
161 | :group 'epa) | |
162 | ||
163 | (defvar epa-font-lock-keywords | |
164 | '(("^\\*" | |
165 | (0 'epa-mark)) | |
166 | ("^\t\\([^\t:]+:\\)[ \t]*\\(.*\\)$" | |
167 | (1 'epa-field-name) | |
168 | (2 'epa-field-body))) | |
169 | "Default expressions to addon in epa-mode.") | |
170 | ||
171 | (defconst epa-pubkey-algorithm-letter-alist | |
172 | '((1 . ?R) | |
173 | (2 . ?r) | |
174 | (3 . ?s) | |
175 | (16 . ?g) | |
176 | (17 . ?D) | |
177 | (20 . ?G))) | |
178 | ||
179 | (defvar epa-protocol 'OpenPGP | |
180 | "*The default protocol. | |
181 | The value can be either OpenPGP or CMS. | |
182 | ||
183 | You should bind this variable with `let', but do not set it globally.") | |
184 | ||
185 | (defvar epa-armor nil | |
186 | "*If non-nil, epa commands create ASCII armored output. | |
187 | ||
188 | You should bind this variable with `let', but do not set it globally.") | |
189 | ||
190 | (defvar epa-textmode nil | |
191 | "*If non-nil, epa commands treat input files as text. | |
192 | ||
193 | You should bind this variable with `let', but do not set it globally.") | |
194 | ||
195 | (defvar epa-keys-buffer nil) | |
196 | (defvar epa-key-buffer-alist nil) | |
197 | (defvar epa-key nil) | |
198 | (defvar epa-list-keys-arguments nil) | |
199 | (defvar epa-info-buffer nil) | |
200 | (defvar epa-last-coding-system-specified nil) | |
201 | ||
202 | (defvar epa-key-list-mode-map | |
dc9b613e GM |
203 | (let ((keymap (make-sparse-keymap)) |
204 | (menu-map (make-sparse-keymap))) | |
c154c0be MO |
205 | (define-key keymap "m" 'epa-mark-key) |
206 | (define-key keymap "u" 'epa-unmark-key) | |
207 | (define-key keymap "d" 'epa-decrypt-file) | |
208 | (define-key keymap "v" 'epa-verify-file) | |
209 | (define-key keymap "s" 'epa-sign-file) | |
210 | (define-key keymap "e" 'epa-encrypt-file) | |
211 | (define-key keymap "r" 'epa-delete-keys) | |
212 | (define-key keymap "i" 'epa-import-keys) | |
213 | (define-key keymap "o" 'epa-export-keys) | |
214 | (define-key keymap "g" 'revert-buffer) | |
215 | (define-key keymap "n" 'next-line) | |
216 | (define-key keymap "p" 'previous-line) | |
217 | (define-key keymap " " 'scroll-up) | |
218 | (define-key keymap [delete] 'scroll-down) | |
219 | (define-key keymap "q" 'epa-exit-buffer) | |
dc9b613e | 220 | (define-key keymap [menu-bar epa-key-list-mode] (cons "Keys" menu-map)) |
703b9611 DN |
221 | (define-key menu-map [epa-key-list-unmark-key] |
222 | '(menu-item "Unmark Key" epa-unmark-key | |
223 | :help "Unmark a key")) | |
224 | (define-key menu-map [epa-key-list-mark-key] | |
225 | '(menu-item "Mark Key" epa-mark-key | |
226 | :help "Mark a key")) | |
227 | (define-key menu-map [separator-epa-file] '(menu-item "--")) | |
228 | (define-key menu-map [epa-verify-file] | |
229 | '(menu-item "Verify File..." epa-verify-file | |
230 | :help "Verify FILE")) | |
231 | (define-key menu-map [epa-sign-file] | |
232 | '(menu-item "Sign File..." epa-sign-file | |
233 | :help "Sign FILE by SIGNERS keys selected")) | |
234 | (define-key menu-map [epa-decrypt-file] | |
235 | '(menu-item "Decrypt File..." epa-decrypt-file | |
236 | :help "Decrypt FILE")) | |
237 | (define-key menu-map [epa-encrypt-file] | |
d88444f2 | 238 | '(menu-item "Encrypt File..." epa-encrypt-file |
703b9611 DN |
239 | :help "Encrypt FILE for RECIPIENTS")) |
240 | (define-key menu-map [separator-epa-key-list] '(menu-item "--")) | |
dc9b613e GM |
241 | (define-key menu-map [epa-key-list-delete-keys] |
242 | '(menu-item "Delete keys" epa-delete-keys | |
703b9611 | 243 | :help "Delete Marked Keys")) |
dc9b613e | 244 | (define-key menu-map [epa-key-list-import-keys] |
703b9611 | 245 | '(menu-item "Import Keys" epa-import-keys |
dc9b613e GM |
246 | :help "Import keys from a file")) |
247 | (define-key menu-map [epa-key-list-export-keys] | |
703b9611 | 248 | '(menu-item "Export Keys" epa-export-keys |
dc9b613e | 249 | :help "Export marked keys to a file")) |
c154c0be MO |
250 | keymap)) |
251 | ||
252 | (defvar epa-key-mode-map | |
253 | (let ((keymap (make-sparse-keymap))) | |
254 | (define-key keymap "q" 'epa-exit-buffer) | |
255 | keymap)) | |
256 | ||
257 | (defvar epa-info-mode-map | |
258 | (let ((keymap (make-sparse-keymap))) | |
259 | (define-key keymap "q" 'delete-window) | |
260 | keymap)) | |
261 | ||
262 | (defvar epa-exit-buffer-function #'bury-buffer) | |
263 | ||
264 | (define-widget 'epa-key 'push-button | |
265 | "Button for representing a epg-key object." | |
266 | :format "%[%v%]" | |
267 | :button-face-get 'epa--key-widget-button-face-get | |
268 | :value-create 'epa--key-widget-value-create | |
269 | :action 'epa--key-widget-action | |
270 | :help-echo 'epa--key-widget-help-echo) | |
271 | ||
74f50695 | 272 | (defun epa--key-widget-action (widget &optional _event) |
a648af17 DU |
273 | (save-selected-window |
274 | (epa--show-key (widget-get widget :value)))) | |
c154c0be MO |
275 | |
276 | (defun epa--key-widget-value-create (widget) | |
277 | (let* ((key (widget-get widget :value)) | |
278 | (primary-sub-key (car (epg-key-sub-key-list key))) | |
279 | (primary-user-id (car (epg-key-user-id-list key)))) | |
280 | (insert (format "%c " | |
281 | (if (epg-sub-key-validity primary-sub-key) | |
282 | (car (rassq (epg-sub-key-validity primary-sub-key) | |
283 | epg-key-validity-alist)) | |
284 | ? )) | |
285 | (epg-sub-key-id primary-sub-key) | |
286 | " " | |
287 | (if primary-user-id | |
288 | (if (stringp (epg-user-id-string primary-user-id)) | |
289 | (epg-user-id-string primary-user-id) | |
290 | (epg-decode-dn (epg-user-id-string primary-user-id))) | |
291 | "")))) | |
292 | ||
293 | (defun epa--key-widget-button-face-get (widget) | |
294 | (let ((validity (epg-sub-key-validity (car (epg-key-sub-key-list | |
295 | (widget-get widget :value)))))) | |
296 | (if validity | |
297 | (cdr (assq validity epa-validity-face-alist)) | |
298 | 'default))) | |
299 | ||
300 | (defun epa--key-widget-help-echo (widget) | |
301 | (format "Show %s" | |
302 | (epg-sub-key-id (car (epg-key-sub-key-list | |
303 | (widget-get widget :value)))))) | |
304 | ||
305 | (eval-and-compile | |
306 | (if (fboundp 'encode-coding-string) | |
307 | (defalias 'epa--encode-coding-string 'encode-coding-string) | |
308 | (defalias 'epa--encode-coding-string 'identity))) | |
309 | ||
310 | (eval-and-compile | |
311 | (if (fboundp 'decode-coding-string) | |
312 | (defalias 'epa--decode-coding-string 'decode-coding-string) | |
313 | (defalias 'epa--decode-coding-string 'identity))) | |
314 | ||
315 | (defun epa-key-list-mode () | |
316 | "Major mode for `epa-list-keys'." | |
317 | (kill-all-local-variables) | |
318 | (buffer-disable-undo) | |
319 | (setq major-mode 'epa-key-list-mode | |
320 | mode-name "Keys" | |
321 | truncate-lines t | |
322 | buffer-read-only t) | |
323 | (use-local-map epa-key-list-mode-map) | |
324 | (make-local-variable 'font-lock-defaults) | |
325 | (setq font-lock-defaults '(epa-font-lock-keywords t)) | |
326 | ;; In XEmacs, auto-initialization of font-lock is not effective | |
327 | ;; if buffer-file-name is not set. | |
328 | (font-lock-set-defaults) | |
329 | (make-local-variable 'epa-exit-buffer-function) | |
330 | (make-local-variable 'revert-buffer-function) | |
331 | (setq revert-buffer-function 'epa--key-list-revert-buffer) | |
64cc2f2c | 332 | (run-mode-hooks 'epa-key-list-mode-hook)) |
c154c0be MO |
333 | |
334 | (defun epa-key-mode () | |
335 | "Major mode for a key description." | |
336 | (kill-all-local-variables) | |
337 | (buffer-disable-undo) | |
338 | (setq major-mode 'epa-key-mode | |
339 | mode-name "Key" | |
340 | truncate-lines t | |
341 | buffer-read-only t) | |
342 | (use-local-map epa-key-mode-map) | |
343 | (make-local-variable 'font-lock-defaults) | |
344 | (setq font-lock-defaults '(epa-font-lock-keywords t)) | |
345 | ;; In XEmacs, auto-initialization of font-lock is not effective | |
346 | ;; if buffer-file-name is not set. | |
347 | (font-lock-set-defaults) | |
348 | (make-local-variable 'epa-exit-buffer-function) | |
64cc2f2c | 349 | (run-mode-hooks 'epa-key-mode-hook)) |
c154c0be MO |
350 | |
351 | (defun epa-info-mode () | |
352 | "Major mode for `epa-info-buffer'." | |
353 | (kill-all-local-variables) | |
354 | (buffer-disable-undo) | |
355 | (setq major-mode 'epa-info-mode | |
356 | mode-name "Info" | |
357 | truncate-lines t | |
358 | buffer-read-only t) | |
359 | (use-local-map epa-info-mode-map) | |
64cc2f2c | 360 | (run-mode-hooks 'epa-info-mode-hook)) |
c154c0be MO |
361 | |
362 | (defun epa-mark-key (&optional arg) | |
363 | "Mark a key on the current line. | |
364 | If ARG is non-nil, unmark the key." | |
365 | (interactive "P") | |
366 | (let ((inhibit-read-only t) | |
367 | buffer-read-only | |
368 | properties) | |
369 | (beginning-of-line) | |
370 | (unless (get-text-property (point) 'epa-key) | |
371 | (error "No key on this line")) | |
372 | (setq properties (text-properties-at (point))) | |
373 | (delete-char 1) | |
374 | (insert (if arg " " "*")) | |
375 | (set-text-properties (1- (point)) (point) properties) | |
376 | (forward-line))) | |
377 | ||
378 | (defun epa-unmark-key (&optional arg) | |
379 | "Unmark a key on the current line. | |
380 | If ARG is non-nil, mark the key." | |
381 | (interactive "P") | |
382 | (epa-mark-key (not arg))) | |
383 | ||
384 | (defun epa-exit-buffer () | |
385 | "Exit the current buffer. | |
386 | `epa-exit-buffer-function' is called if it is set." | |
387 | (interactive) | |
388 | (funcall epa-exit-buffer-function)) | |
389 | ||
390 | (defun epa--insert-keys (keys) | |
391 | (save-excursion | |
392 | (save-restriction | |
393 | (narrow-to-region (point) (point)) | |
394 | (let (point) | |
395 | (while keys | |
396 | (setq point (point)) | |
397 | (insert " ") | |
398 | (add-text-properties point (point) | |
399 | (list 'epa-key (car keys) | |
400 | 'front-sticky nil | |
401 | 'rear-nonsticky t | |
402 | 'start-open t | |
403 | 'end-open t)) | |
404 | (widget-create 'epa-key :value (car keys)) | |
405 | (insert "\n") | |
f1914c40 | 406 | (setq keys (cdr keys)))) |
c154c0be MO |
407 | (add-text-properties (point-min) (point-max) |
408 | (list 'epa-list-keys t | |
409 | 'front-sticky nil | |
410 | 'rear-nonsticky t | |
411 | 'start-open t | |
412 | 'end-open t))))) | |
413 | ||
414 | (defun epa--list-keys (name secret) | |
415 | (unless (and epa-keys-buffer | |
416 | (buffer-live-p epa-keys-buffer)) | |
417 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
418 | (set-buffer epa-keys-buffer) | |
419 | (epa-key-list-mode) | |
420 | (let ((inhibit-read-only t) | |
421 | buffer-read-only | |
422 | (point (point-min)) | |
423 | (context (epg-make-context epa-protocol))) | |
424 | (unless (get-text-property point 'epa-list-keys) | |
425 | (setq point (next-single-property-change point 'epa-list-keys))) | |
426 | (when point | |
427 | (delete-region point | |
428 | (or (next-single-property-change point 'epa-list-keys) | |
429 | (point-max))) | |
430 | (goto-char point)) | |
431 | (epa--insert-keys (epg-list-keys context name secret)) | |
432 | (widget-setup) | |
433 | (set-keymap-parent (current-local-map) widget-keymap)) | |
434 | (make-local-variable 'epa-list-keys-arguments) | |
435 | (setq epa-list-keys-arguments (list name secret)) | |
436 | (goto-char (point-min)) | |
437 | (pop-to-buffer (current-buffer))) | |
438 | ||
439 | ;;;###autoload | |
440 | (defun epa-list-keys (&optional name) | |
441 | "List all keys matched with NAME from the public keyring." | |
442 | (interactive | |
443 | (if current-prefix-arg | |
444 | (let ((name (read-string "Pattern: " | |
445 | (if epa-list-keys-arguments | |
446 | (car epa-list-keys-arguments))))) | |
447 | (list (if (equal name "") nil name))) | |
448 | (list nil))) | |
449 | (epa--list-keys name nil)) | |
450 | ||
451 | ;;;###autoload | |
452 | (defun epa-list-secret-keys (&optional name) | |
453 | "List all keys matched with NAME from the private keyring." | |
454 | (interactive | |
455 | (if current-prefix-arg | |
456 | (let ((name (read-string "Pattern: " | |
457 | (if epa-list-keys-arguments | |
458 | (car epa-list-keys-arguments))))) | |
459 | (list (if (equal name "") nil name))) | |
460 | (list nil))) | |
461 | (epa--list-keys name t)) | |
462 | ||
74f50695 | 463 | (defun epa--key-list-revert-buffer (&optional _ignore-auto _noconfirm) |
c154c0be MO |
464 | (apply #'epa--list-keys epa-list-keys-arguments)) |
465 | ||
466 | (defun epa--marked-keys () | |
7fdbcd83 | 467 | (or (with-current-buffer epa-keys-buffer |
c154c0be MO |
468 | (goto-char (point-min)) |
469 | (let (keys key) | |
470 | (while (re-search-forward "^\\*" nil t) | |
471 | (if (setq key (get-text-property (match-beginning 0) | |
472 | 'epa-key)) | |
473 | (setq keys (cons key keys)))) | |
474 | (nreverse keys))) | |
9b026d9f GM |
475 | (let ((key (get-text-property (point-at-bol) 'epa-key))) |
476 | (if key | |
477 | (list key))))) | |
c154c0be MO |
478 | |
479 | (defun epa--select-keys (prompt keys) | |
7fdbcd83 SM |
480 | (unless (and epa-keys-buffer |
481 | (buffer-live-p epa-keys-buffer)) | |
482 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
483 | (with-current-buffer epa-keys-buffer | |
c154c0be MO |
484 | (epa-key-list-mode) |
485 | (let ((inhibit-read-only t) | |
486 | buffer-read-only) | |
487 | (erase-buffer) | |
488 | (insert prompt "\n" | |
489 | (substitute-command-keys "\ | |
490 | - `\\[epa-mark-key]' to mark a key on the line | |
491 | - `\\[epa-unmark-key]' to unmark a key on the line\n")) | |
492 | (widget-create 'link | |
74f50695 | 493 | :notify (lambda (&rest _ignore) (abort-recursive-edit)) |
c154c0be MO |
494 | :help-echo |
495 | (substitute-command-keys | |
496 | "Click here or \\[abort-recursive-edit] to cancel") | |
497 | "Cancel") | |
498 | (widget-create 'link | |
74f50695 | 499 | :notify (lambda (&rest _ignore) (exit-recursive-edit)) |
c154c0be MO |
500 | :help-echo |
501 | (substitute-command-keys | |
502 | "Click here or \\[exit-recursive-edit] to finish") | |
503 | "OK") | |
504 | (insert "\n\n") | |
505 | (epa--insert-keys keys) | |
506 | (widget-setup) | |
507 | (set-keymap-parent (current-local-map) widget-keymap) | |
508 | (setq epa-exit-buffer-function #'abort-recursive-edit) | |
509 | (goto-char (point-min)) | |
397eb3f3 SM |
510 | (let ((display-buffer-mark-dedicated 'soft)) |
511 | (pop-to-buffer (current-buffer)))) | |
c154c0be MO |
512 | (unwind-protect |
513 | (progn | |
514 | (recursive-edit) | |
515 | (epa--marked-keys)) | |
c154c0be MO |
516 | (kill-buffer epa-keys-buffer)))) |
517 | ||
518 | ;;;###autoload | |
519 | (defun epa-select-keys (context prompt &optional names secret) | |
520 | "Display a user's keyring and ask him to select keys. | |
521 | CONTEXT is an epg-context. | |
522 | PROMPT is a string to prompt with. | |
523 | NAMES is a list of strings to be matched with keys. If it is nil, all | |
524 | the keys are listed. | |
525 | If SECRET is non-nil, list secret keys instead of public keys." | |
526 | (let ((keys (epg-list-keys context names secret))) | |
2c6c404a | 527 | (epa--select-keys prompt keys))) |
c154c0be MO |
528 | |
529 | (defun epa--show-key (key) | |
530 | (let* ((primary-sub-key (car (epg-key-sub-key-list key))) | |
531 | (entry (assoc (epg-sub-key-id primary-sub-key) | |
532 | epa-key-buffer-alist)) | |
533 | (inhibit-read-only t) | |
534 | buffer-read-only | |
535 | pointer) | |
536 | (unless entry | |
537 | (setq entry (cons (epg-sub-key-id primary-sub-key) nil) | |
538 | epa-key-buffer-alist (cons entry epa-key-buffer-alist))) | |
539 | (unless (and (cdr entry) | |
540 | (buffer-live-p (cdr entry))) | |
541 | (setcdr entry (generate-new-buffer | |
542 | (format "*Key*%s" (epg-sub-key-id primary-sub-key))))) | |
543 | (set-buffer (cdr entry)) | |
544 | (epa-key-mode) | |
545 | (make-local-variable 'epa-key) | |
546 | (setq epa-key key) | |
547 | (erase-buffer) | |
548 | (setq pointer (epg-key-user-id-list key)) | |
549 | (while pointer | |
550 | (if (car pointer) | |
551 | (insert " " | |
552 | (if (epg-user-id-validity (car pointer)) | |
553 | (char-to-string | |
554 | (car (rassq (epg-user-id-validity (car pointer)) | |
555 | epg-key-validity-alist))) | |
556 | " ") | |
557 | " " | |
558 | (if (stringp (epg-user-id-string (car pointer))) | |
559 | (epg-user-id-string (car pointer)) | |
560 | (epg-decode-dn (epg-user-id-string (car pointer)))) | |
561 | "\n")) | |
562 | (setq pointer (cdr pointer))) | |
563 | (setq pointer (epg-key-sub-key-list key)) | |
564 | (while pointer | |
565 | (insert " " | |
566 | (if (epg-sub-key-validity (car pointer)) | |
567 | (char-to-string | |
568 | (car (rassq (epg-sub-key-validity (car pointer)) | |
569 | epg-key-validity-alist))) | |
570 | " ") | |
571 | " " | |
572 | (epg-sub-key-id (car pointer)) | |
573 | " " | |
574 | (format "%dbits" | |
575 | (epg-sub-key-length (car pointer))) | |
576 | " " | |
577 | (cdr (assq (epg-sub-key-algorithm (car pointer)) | |
578 | epg-pubkey-algorithm-alist)) | |
579 | "\n\tCreated: " | |
580 | (condition-case nil | |
581 | (format-time-string "%Y-%m-%d" | |
582 | (epg-sub-key-creation-time (car pointer))) | |
583 | (error "????-??-??")) | |
584 | (if (epg-sub-key-expiration-time (car pointer)) | |
97c07afc DU |
585 | (format (if (time-less-p (current-time) |
586 | (epg-sub-key-expiration-time | |
587 | (car pointer))) | |
588 | "\n\tExpires: %s" | |
589 | "\n\tExpired: %s") | |
c154c0be MO |
590 | (condition-case nil |
591 | (format-time-string "%Y-%m-%d" | |
592 | (epg-sub-key-expiration-time | |
593 | (car pointer))) | |
594 | (error "????-??-??"))) | |
595 | "") | |
596 | "\n\tCapabilities: " | |
597 | (mapconcat #'symbol-name | |
598 | (epg-sub-key-capability (car pointer)) | |
599 | " ") | |
600 | "\n\tFingerprint: " | |
601 | (epg-sub-key-fingerprint (car pointer)) | |
602 | "\n") | |
603 | (setq pointer (cdr pointer))) | |
604 | (goto-char (point-min)) | |
605 | (pop-to-buffer (current-buffer)))) | |
606 | ||
607 | (defun epa-display-info (info) | |
608 | (if epa-popup-info-window | |
609 | (save-selected-window | |
610 | (unless (and epa-info-buffer (buffer-live-p epa-info-buffer)) | |
611 | (setq epa-info-buffer (generate-new-buffer "*Info*"))) | |
612 | (if (get-buffer-window epa-info-buffer) | |
613 | (delete-window (get-buffer-window epa-info-buffer))) | |
7fdbcd83 | 614 | (with-current-buffer epa-info-buffer |
c154c0be MO |
615 | (let ((inhibit-read-only t) |
616 | buffer-read-only) | |
617 | (erase-buffer) | |
618 | (insert info)) | |
619 | (epa-info-mode) | |
620 | (goto-char (point-min))) | |
621 | (if (> (window-height) | |
622 | epa-info-window-height) | |
623 | (set-window-buffer (split-window nil (- (window-height) | |
624 | epa-info-window-height)) | |
625 | epa-info-buffer) | |
626 | (pop-to-buffer epa-info-buffer) | |
627 | (if (> (window-height) epa-info-window-height) | |
628 | (shrink-window (- (window-height) epa-info-window-height))))) | |
629 | (message "%s" info))) | |
630 | ||
631 | (defun epa-display-verify-result (verify-result) | |
632 | (epa-display-info (epg-verify-result-to-string verify-result))) | |
5443c9b7 | 633 | (make-obsolete 'epa-display-verify-result 'epa-display-info "23.1") |
c154c0be MO |
634 | |
635 | (defun epa-passphrase-callback-function (context key-id handback) | |
636 | (if (eq key-id 'SYM) | |
7450df5d LMI |
637 | (read-passwd |
638 | (format "Passphrase for symmetric encryption%s: " | |
446b12da DU |
639 | ;; Add the file name to the prompt, if any. |
640 | (if (stringp handback) | |
641 | (format " for %s" handback) | |
642 | "")) | |
7450df5d | 643 | (eq (epg-context-operation context) 'encrypt)) |
c154c0be MO |
644 | (read-passwd |
645 | (if (eq key-id 'PIN) | |
646 | "Passphrase for PIN: " | |
647 | (let ((entry (assoc key-id epg-user-id-alist))) | |
648 | (if entry | |
649 | (format "Passphrase for %s %s: " key-id (cdr entry)) | |
650 | (format "Passphrase for %s: " key-id))))))) | |
651 | ||
74f50695 | 652 | (defun epa-progress-callback-function (_context what _char current total |
c154c0be | 653 | handback) |
9d5cb631 DU |
654 | (let ((prompt (or handback |
655 | (format "Processing %s: " what)))) | |
656 | ;; According to gnupg/doc/DETAIL: a "total" of 0 indicates that | |
657 | ;; the total amount is not known. The condition TOTAL && CUR == | |
658 | ;; TOTAL may be used to detect the end of an operation. | |
659 | (if (> total 0) | |
660 | (if (= current total) | |
661 | (message "%s...done" prompt) | |
662 | (message "%s...%d%%" prompt | |
663 | (floor (* (/ current (float total)) 100)))) | |
664 | (message "%s..." prompt)))) | |
c154c0be MO |
665 | |
666 | ;;;###autoload | |
667 | (defun epa-decrypt-file (file) | |
668 | "Decrypt FILE." | |
669 | (interactive "fFile: ") | |
670 | (setq file (expand-file-name file)) | |
671 | (let* ((default-name (file-name-sans-extension file)) | |
672 | (plain (expand-file-name | |
673 | (read-file-name | |
674 | (concat "To file (default " | |
675 | (file-name-nondirectory default-name) | |
676 | ") ") | |
677 | (file-name-directory default-name) | |
678 | default-name))) | |
679 | (context (epg-make-context epa-protocol))) | |
680 | (epg-context-set-passphrase-callback context | |
681 | #'epa-passphrase-callback-function) | |
682 | (epg-context-set-progress-callback context | |
683 | (cons | |
684 | #'epa-progress-callback-function | |
685 | (format "Decrypting %s..." | |
686 | (file-name-nondirectory file)))) | |
687 | (message "Decrypting %s..." (file-name-nondirectory file)) | |
688 | (epg-decrypt-file context file plain) | |
689 | (message "Decrypting %s...wrote %s" (file-name-nondirectory file) | |
690 | (file-name-nondirectory plain)) | |
691 | (if (epg-context-result-for context 'verify) | |
692 | (epa-display-info (epg-verify-result-to-string | |
693 | (epg-context-result-for context 'verify)))))) | |
694 | ||
695 | ;;;###autoload | |
696 | (defun epa-verify-file (file) | |
697 | "Verify FILE." | |
698 | (interactive "fFile: ") | |
699 | (setq file (expand-file-name file)) | |
700 | (let* ((context (epg-make-context epa-protocol)) | |
701 | (plain (if (equal (file-name-extension file) "sig") | |
702 | (file-name-sans-extension file)))) | |
703 | (epg-context-set-progress-callback context | |
704 | (cons | |
705 | #'epa-progress-callback-function | |
706 | (format "Verifying %s..." | |
707 | (file-name-nondirectory file)))) | |
708 | (message "Verifying %s..." (file-name-nondirectory file)) | |
709 | (epg-verify-file context file plain) | |
710 | (message "Verifying %s...done" (file-name-nondirectory file)) | |
711 | (if (epg-context-result-for context 'verify) | |
712 | (epa-display-info (epg-verify-result-to-string | |
713 | (epg-context-result-for context 'verify)))))) | |
714 | ||
715 | (defun epa--read-signature-type () | |
716 | (let (type c) | |
717 | (while (null type) | |
718 | (message "Signature type (n,c,d,?) ") | |
719 | (setq c (read-char)) | |
720 | (cond ((eq c ?c) | |
721 | (setq type 'clear)) | |
722 | ((eq c ?d) | |
723 | (setq type 'detached)) | |
724 | ((eq c ??) | |
725 | (with-output-to-temp-buffer "*Help*" | |
7fdbcd83 | 726 | (with-current-buffer standard-output |
c154c0be MO |
727 | (insert "\ |
728 | n - Create a normal signature | |
729 | c - Create a cleartext signature | |
730 | d - Create a detached signature | |
731 | ? - Show this help | |
732 | ")))) | |
733 | (t | |
50f13b3e DU |
734 | (setq type 'normal)))) |
735 | type)) | |
c154c0be MO |
736 | |
737 | ;;;###autoload | |
738 | (defun epa-sign-file (file signers mode) | |
739 | "Sign FILE by SIGNERS keys selected." | |
740 | (interactive | |
741 | (let ((verbose current-prefix-arg)) | |
742 | (list (expand-file-name (read-file-name "File: ")) | |
743 | (if verbose | |
744 | (epa-select-keys (epg-make-context epa-protocol) | |
745 | "Select keys for signing. | |
746 | If no one is selected, default secret key is used. " | |
747 | nil t)) | |
748 | (if verbose | |
749 | (epa--read-signature-type) | |
750 | 'clear)))) | |
751 | (let ((signature (concat file | |
752 | (if (eq epa-protocol 'OpenPGP) | |
753 | (if (or epa-armor | |
754 | (not (memq mode | |
755 | '(nil t normal detached)))) | |
756 | ".asc" | |
757 | (if (memq mode '(t detached)) | |
758 | ".sig" | |
759 | ".gpg")) | |
760 | (if (memq mode '(t detached)) | |
761 | ".p7s" | |
762 | ".p7m")))) | |
763 | (context (epg-make-context epa-protocol))) | |
764 | (epg-context-set-armor context epa-armor) | |
765 | (epg-context-set-textmode context epa-textmode) | |
766 | (epg-context-set-signers context signers) | |
767 | (epg-context-set-passphrase-callback context | |
768 | #'epa-passphrase-callback-function) | |
769 | (epg-context-set-progress-callback context | |
770 | (cons | |
771 | #'epa-progress-callback-function | |
772 | (format "Signing %s..." | |
773 | (file-name-nondirectory file)))) | |
774 | (message "Signing %s..." (file-name-nondirectory file)) | |
775 | (epg-sign-file context file signature mode) | |
776 | (message "Signing %s...wrote %s" (file-name-nondirectory file) | |
777 | (file-name-nondirectory signature)))) | |
778 | ||
779 | ;;;###autoload | |
780 | (defun epa-encrypt-file (file recipients) | |
781 | "Encrypt FILE for RECIPIENTS." | |
782 | (interactive | |
783 | (list (expand-file-name (read-file-name "File: ")) | |
784 | (epa-select-keys (epg-make-context epa-protocol) | |
785 | "Select recipients for encryption. | |
786 | If no one is selected, symmetric encryption will be performed. "))) | |
787 | (let ((cipher (concat file (if (eq epa-protocol 'OpenPGP) | |
788 | (if epa-armor ".asc" ".gpg") | |
789 | ".p7m"))) | |
790 | (context (epg-make-context epa-protocol))) | |
791 | (epg-context-set-armor context epa-armor) | |
792 | (epg-context-set-textmode context epa-textmode) | |
793 | (epg-context-set-passphrase-callback context | |
794 | #'epa-passphrase-callback-function) | |
795 | (epg-context-set-progress-callback context | |
796 | (cons | |
797 | #'epa-progress-callback-function | |
798 | (format "Encrypting %s..." | |
799 | (file-name-nondirectory file)))) | |
800 | (message "Encrypting %s..." (file-name-nondirectory file)) | |
801 | (epg-encrypt-file context file recipients cipher) | |
802 | (message "Encrypting %s...wrote %s" (file-name-nondirectory file) | |
803 | (file-name-nondirectory cipher)))) | |
804 | ||
805 | ;;;###autoload | |
fe38beef | 806 | (defun epa-decrypt-region (start end &optional make-buffer-function) |
c154c0be | 807 | "Decrypt the current region between START and END. |
fe38beef RS |
808 | |
809 | If MAKE-BUFFER-FUNCTION is non-nil, call it to prepare an output buffer. | |
810 | It should return that buffer. If it copies the input, it should | |
811 | delete the text now being decrypted. It should leave point at the | |
812 | proper place to insert the plaintext. | |
c154c0be | 813 | |
3a99bf64 | 814 | Be careful about using this command in Lisp programs! |
2c6c404a MO |
815 | Since this function operates on regions, it does some tricks such |
816 | as coding-system detection and unibyte/multibyte conversion. If | |
817 | you are sure how the data in the region should be treated, you | |
818 | should consider using the string based counterpart | |
819 | `epg-decrypt-string', or the file based counterpart | |
820 | `epg-decrypt-file' instead. | |
821 | ||
822 | For example: | |
823 | ||
824 | \(let ((context (epg-make-context 'OpenPGP))) | |
825 | (decode-coding-string | |
826 | (epg-decrypt-string context (buffer-substring start end)) | |
827 | 'utf-8))" | |
c154c0be MO |
828 | (interactive "r") |
829 | (save-excursion | |
830 | (let ((context (epg-make-context epa-protocol)) | |
831 | plain) | |
832 | (epg-context-set-passphrase-callback context | |
833 | #'epa-passphrase-callback-function) | |
834 | (epg-context-set-progress-callback context | |
835 | (cons | |
836 | #'epa-progress-callback-function | |
837 | "Decrypting...")) | |
838 | (message "Decrypting...") | |
839 | (setq plain (epg-decrypt-string context (buffer-substring start end))) | |
840 | (message "Decrypting...done") | |
841 | (setq plain (epa--decode-coding-string | |
842 | plain | |
843 | (or coding-system-for-read | |
42481bde DU |
844 | (get-text-property start 'epa-coding-system-used) |
845 | 'undecided))) | |
44fede4d RS |
846 | (if make-buffer-function |
847 | (with-current-buffer (funcall make-buffer-function) | |
848 | (let ((inhibit-read-only t)) | |
849 | (insert plain))) | |
850 | (if (y-or-n-p "Replace the original text? ") | |
851 | (let ((inhibit-read-only t)) | |
852 | (delete-region start end) | |
853 | (goto-char start) | |
854 | (insert plain)) | |
3a99bf64 RS |
855 | (with-output-to-temp-buffer "*Temp*" |
856 | (set-buffer standard-output) | |
857 | (insert plain) | |
858 | (epa-info-mode)))) | |
c154c0be MO |
859 | (if (epg-context-result-for context 'verify) |
860 | (epa-display-info (epg-verify-result-to-string | |
861 | (epg-context-result-for context 'verify))))))) | |
862 | ||
863 | (defun epa--find-coding-system-for-mime-charset (mime-charset) | |
864 | (if (featurep 'xemacs) | |
865 | (if (fboundp 'find-coding-system) | |
866 | (find-coding-system mime-charset)) | |
3a99bf64 | 867 | ;; Find the first coding system which corresponds to MIME-CHARSET. |
c154c0be MO |
868 | (let ((pointer (coding-system-list))) |
869 | (while (and pointer | |
3a99bf64 RS |
870 | (not (eq (coding-system-get (car pointer) 'mime-charset) |
871 | mime-charset))) | |
c154c0be | 872 | (setq pointer (cdr pointer))) |
3a99bf64 | 873 | (car pointer)))) |
c154c0be MO |
874 | |
875 | ;;;###autoload | |
876 | (defun epa-decrypt-armor-in-region (start end) | |
877 | "Decrypt OpenPGP armors in the current region between START and END. | |
878 | ||
2c6c404a MO |
879 | Don't use this command in Lisp programs! |
880 | See the reason described in the `epa-decrypt-region' documentation." | |
c154c0be MO |
881 | (interactive "r") |
882 | (save-excursion | |
883 | (save-restriction | |
884 | (narrow-to-region start end) | |
885 | (goto-char start) | |
886 | (let (armor-start armor-end) | |
887 | (while (re-search-forward "-----BEGIN PGP MESSAGE-----$" nil t) | |
888 | (setq armor-start (match-beginning 0) | |
889 | armor-end (re-search-forward "^-----END PGP MESSAGE-----$" | |
890 | nil t)) | |
891 | (unless armor-end | |
3a99bf64 | 892 | (error "Encryption armor beginning has no matching end")) |
c154c0be MO |
893 | (goto-char armor-start) |
894 | (let ((coding-system-for-read | |
895 | (or coding-system-for-read | |
896 | (if (re-search-forward "^Charset: \\(.*\\)" armor-end t) | |
897 | (epa--find-coding-system-for-mime-charset | |
898 | (intern (downcase (match-string 1)))))))) | |
899 | (goto-char armor-end) | |
900 | (epa-decrypt-region armor-start armor-end))))))) | |
901 | ||
902 | ;;;###autoload | |
903 | (defun epa-verify-region (start end) | |
904 | "Verify the current region between START and END. | |
905 | ||
2c6c404a MO |
906 | Don't use this command in Lisp programs! |
907 | Since this function operates on regions, it does some tricks such | |
908 | as coding-system detection and unibyte/multibyte conversion. If | |
909 | you are sure how the data in the region should be treated, you | |
910 | should consider using the string based counterpart | |
911 | `epg-verify-string', or the file based counterpart | |
912 | `epg-verify-file' instead. | |
913 | ||
914 | For example: | |
915 | ||
916 | \(let ((context (epg-make-context 'OpenPGP))) | |
917 | (decode-coding-string | |
918 | (epg-verify-string context (buffer-substring start end)) | |
919 | 'utf-8))" | |
c154c0be MO |
920 | (interactive "r") |
921 | (let ((context (epg-make-context epa-protocol)) | |
922 | plain) | |
923 | (epg-context-set-progress-callback context | |
924 | (cons | |
925 | #'epa-progress-callback-function | |
926 | "Verifying...")) | |
927 | (message "Verifying...") | |
928 | (setq plain (epg-verify-string | |
929 | context | |
930 | (epa--encode-coding-string | |
931 | (buffer-substring start end) | |
932 | (or coding-system-for-write | |
933 | (get-text-property start 'epa-coding-system-used))))) | |
934 | (message "Verifying...done") | |
935 | (setq plain (epa--decode-coding-string | |
936 | plain | |
937 | (or coding-system-for-read | |
42481bde DU |
938 | (get-text-property start 'epa-coding-system-used) |
939 | 'undecided))) | |
c154c0be MO |
940 | (if (y-or-n-p "Replace the original text? ") |
941 | (let ((inhibit-read-only t) | |
942 | buffer-read-only) | |
943 | (delete-region start end) | |
944 | (goto-char start) | |
945 | (insert plain)) | |
946 | (with-output-to-temp-buffer "*Temp*" | |
947 | (set-buffer standard-output) | |
948 | (insert plain) | |
949 | (epa-info-mode))) | |
950 | (if (epg-context-result-for context 'verify) | |
951 | (epa-display-info (epg-verify-result-to-string | |
952 | (epg-context-result-for context 'verify)))))) | |
953 | ||
954 | ;;;###autoload | |
955 | (defun epa-verify-cleartext-in-region (start end) | |
956 | "Verify OpenPGP cleartext signed messages in the current region | |
957 | between START and END. | |
958 | ||
2c6c404a MO |
959 | Don't use this command in Lisp programs! |
960 | See the reason described in the `epa-verify-region' documentation." | |
c154c0be MO |
961 | (interactive "r") |
962 | (save-excursion | |
963 | (save-restriction | |
964 | (narrow-to-region start end) | |
965 | (goto-char start) | |
966 | (let (cleartext-start cleartext-end) | |
967 | (while (re-search-forward "-----BEGIN PGP SIGNED MESSAGE-----$" | |
968 | nil t) | |
969 | (setq cleartext-start (match-beginning 0)) | |
970 | (unless (re-search-forward "^-----BEGIN PGP SIGNATURE-----$" | |
971 | nil t) | |
972 | (error "Invalid cleartext signed message")) | |
973 | (setq cleartext-end (re-search-forward | |
974 | "^-----END PGP SIGNATURE-----$" | |
975 | nil t)) | |
976 | (unless cleartext-end | |
977 | (error "No cleartext tail")) | |
978 | (epa-verify-region cleartext-start cleartext-end)))))) | |
979 | ||
980 | (eval-and-compile | |
981 | (if (fboundp 'select-safe-coding-system) | |
982 | (defalias 'epa--select-safe-coding-system 'select-safe-coding-system) | |
74f50695 | 983 | (defun epa--select-safe-coding-system (_from _to) |
c154c0be MO |
984 | buffer-file-coding-system))) |
985 | ||
986 | ;;;###autoload | |
987 | (defun epa-sign-region (start end signers mode) | |
988 | "Sign the current region between START and END by SIGNERS keys selected. | |
989 | ||
2c6c404a MO |
990 | Don't use this command in Lisp programs! |
991 | Since this function operates on regions, it does some tricks such | |
992 | as coding-system detection and unibyte/multibyte conversion. If | |
993 | you are sure how the data should be treated, you should consider | |
994 | using the string based counterpart `epg-sign-string', or the file | |
995 | based counterpart `epg-sign-file' instead. | |
996 | ||
997 | For example: | |
998 | ||
999 | \(let ((context (epg-make-context 'OpenPGP))) | |
1000 | (epg-sign-string | |
1001 | context | |
1002 | (encode-coding-string (buffer-substring start end) 'utf-8)))" | |
c154c0be MO |
1003 | (interactive |
1004 | (let ((verbose current-prefix-arg)) | |
1005 | (setq epa-last-coding-system-specified | |
1006 | (or coding-system-for-write | |
1007 | (epa--select-safe-coding-system | |
1008 | (region-beginning) (region-end)))) | |
1009 | (list (region-beginning) (region-end) | |
1010 | (if verbose | |
1011 | (epa-select-keys (epg-make-context epa-protocol) | |
1012 | "Select keys for signing. | |
1013 | If no one is selected, default secret key is used. " | |
1014 | nil t)) | |
1015 | (if verbose | |
1016 | (epa--read-signature-type) | |
1017 | 'clear)))) | |
1018 | (save-excursion | |
1019 | (let ((context (epg-make-context epa-protocol)) | |
1020 | signature) | |
1021 | ;;(epg-context-set-armor context epa-armor) | |
1022 | (epg-context-set-armor context t) | |
1023 | ;;(epg-context-set-textmode context epa-textmode) | |
1024 | (epg-context-set-textmode context t) | |
1025 | (epg-context-set-signers context signers) | |
1026 | (epg-context-set-passphrase-callback context | |
1027 | #'epa-passphrase-callback-function) | |
1028 | (epg-context-set-progress-callback context | |
1029 | (cons | |
1030 | #'epa-progress-callback-function | |
1031 | "Signing...")) | |
1032 | (message "Signing...") | |
1033 | (setq signature (epg-sign-string context | |
1034 | (epa--encode-coding-string | |
1035 | (buffer-substring start end) | |
1036 | epa-last-coding-system-specified) | |
1037 | mode)) | |
1038 | (message "Signing...done") | |
1039 | (delete-region start end) | |
1040 | (goto-char start) | |
1041 | (add-text-properties (point) | |
1042 | (progn | |
1043 | (insert (epa--decode-coding-string | |
1044 | signature | |
1045 | (or coding-system-for-read | |
1046 | epa-last-coding-system-specified))) | |
1047 | (point)) | |
1048 | (list 'epa-coding-system-used | |
1049 | epa-last-coding-system-specified | |
1050 | 'front-sticky nil | |
1051 | 'rear-nonsticky t | |
1052 | 'start-open t | |
1053 | 'end-open t))))) | |
1054 | ||
1055 | (eval-and-compile | |
1056 | (if (fboundp 'derived-mode-p) | |
1057 | (defalias 'epa--derived-mode-p 'derived-mode-p) | |
1058 | (defun epa--derived-mode-p (&rest modes) | |
1059 | "Non-nil if the current major mode is derived from one of MODES. | |
1060 | Uses the `derived-mode-parent' property of the symbol to trace backwards." | |
1061 | (let ((parent major-mode)) | |
1062 | (while (and (not (memq parent modes)) | |
1063 | (setq parent (get parent 'derived-mode-parent)))) | |
1064 | parent)))) | |
1065 | ||
1066 | ;;;###autoload | |
1067 | (defun epa-encrypt-region (start end recipients sign signers) | |
1068 | "Encrypt the current region between START and END for RECIPIENTS. | |
1069 | ||
2c6c404a MO |
1070 | Don't use this command in Lisp programs! |
1071 | Since this function operates on regions, it does some tricks such | |
1072 | as coding-system detection and unibyte/multibyte conversion. If | |
1073 | you are sure how the data should be treated, you should consider | |
1074 | using the string based counterpart `epg-encrypt-string', or the | |
1075 | file based counterpart `epg-encrypt-file' instead. | |
1076 | ||
1077 | For example: | |
1078 | ||
1079 | \(let ((context (epg-make-context 'OpenPGP))) | |
1080 | (epg-encrypt-string | |
1081 | context | |
1082 | (encode-coding-string (buffer-substring start end) 'utf-8) | |
1083 | nil))" | |
c154c0be MO |
1084 | (interactive |
1085 | (let ((verbose current-prefix-arg) | |
1086 | (context (epg-make-context epa-protocol)) | |
1087 | sign) | |
1088 | (setq epa-last-coding-system-specified | |
1089 | (or coding-system-for-write | |
1090 | (epa--select-safe-coding-system | |
1091 | (region-beginning) (region-end)))) | |
1092 | (list (region-beginning) (region-end) | |
1093 | (epa-select-keys context | |
1094 | "Select recipients for encryption. | |
1095 | If no one is selected, symmetric encryption will be performed. ") | |
1096 | (setq sign (if verbose (y-or-n-p "Sign? "))) | |
1097 | (if sign | |
1098 | (epa-select-keys context | |
1099 | "Select keys for signing. "))))) | |
1100 | (save-excursion | |
1101 | (let ((context (epg-make-context epa-protocol)) | |
1102 | cipher) | |
1103 | ;;(epg-context-set-armor context epa-armor) | |
1104 | (epg-context-set-armor context t) | |
1105 | ;;(epg-context-set-textmode context epa-textmode) | |
1106 | (epg-context-set-textmode context t) | |
1107 | (if sign | |
1108 | (epg-context-set-signers context signers)) | |
1109 | (epg-context-set-passphrase-callback context | |
1110 | #'epa-passphrase-callback-function) | |
1111 | (epg-context-set-progress-callback context | |
1112 | (cons | |
1113 | #'epa-progress-callback-function | |
1114 | "Encrypting...")) | |
1115 | (message "Encrypting...") | |
1116 | (setq cipher (epg-encrypt-string context | |
1117 | (epa--encode-coding-string | |
1118 | (buffer-substring start end) | |
1119 | epa-last-coding-system-specified) | |
1120 | recipients | |
1121 | sign)) | |
1122 | (message "Encrypting...done") | |
1123 | (delete-region start end) | |
1124 | (goto-char start) | |
1125 | (add-text-properties (point) | |
1126 | (progn | |
1127 | (insert cipher) | |
1128 | (point)) | |
1129 | (list 'epa-coding-system-used | |
1130 | epa-last-coding-system-specified | |
1131 | 'front-sticky nil | |
1132 | 'rear-nonsticky t | |
1133 | 'start-open t | |
1134 | 'end-open t))))) | |
1135 | ||
1136 | ;;;###autoload | |
1137 | (defun epa-delete-keys (keys &optional allow-secret) | |
2c6c404a | 1138 | "Delete selected KEYS." |
c154c0be MO |
1139 | (interactive |
1140 | (let ((keys (epa--marked-keys))) | |
1141 | (unless keys | |
1142 | (error "No keys selected")) | |
1143 | (list keys | |
1144 | (eq (nth 1 epa-list-keys-arguments) t)))) | |
1145 | (let ((context (epg-make-context epa-protocol))) | |
1146 | (message "Deleting...") | |
1147 | (epg-delete-keys context keys allow-secret) | |
1148 | (message "Deleting...done") | |
dc9b613e | 1149 | (apply #'epa--list-keys epa-list-keys-arguments))) |
c154c0be MO |
1150 | |
1151 | ;;;###autoload | |
1152 | (defun epa-import-keys (file) | |
2c6c404a | 1153 | "Import keys from FILE." |
c154c0be MO |
1154 | (interactive "fFile: ") |
1155 | (setq file (expand-file-name file)) | |
1156 | (let ((context (epg-make-context epa-protocol))) | |
1157 | (message "Importing %s..." (file-name-nondirectory file)) | |
1158 | (condition-case nil | |
1159 | (progn | |
1160 | (epg-import-keys-from-file context file) | |
1161 | (message "Importing %s...done" (file-name-nondirectory file))) | |
1162 | (error | |
1163 | (message "Importing %s...failed" (file-name-nondirectory file)))) | |
1164 | (if (epg-context-result-for context 'import) | |
1165 | (epa-display-info (epg-import-result-to-string | |
1166 | (epg-context-result-for context 'import)))) | |
1167 | (if (eq major-mode 'epa-key-list-mode) | |
dc9b613e | 1168 | (apply #'epa--list-keys epa-list-keys-arguments)))) |
c154c0be MO |
1169 | |
1170 | ;;;###autoload | |
1171 | (defun epa-import-keys-region (start end) | |
2c6c404a | 1172 | "Import keys from the region." |
c154c0be MO |
1173 | (interactive "r") |
1174 | (let ((context (epg-make-context epa-protocol))) | |
1175 | (message "Importing...") | |
1176 | (condition-case nil | |
1177 | (progn | |
1178 | (epg-import-keys-from-string context (buffer-substring start end)) | |
1179 | (message "Importing...done")) | |
1180 | (error | |
1181 | (message "Importing...failed"))) | |
1182 | (if (epg-context-result-for context 'import) | |
1183 | (epa-display-info (epg-import-result-to-string | |
1184 | (epg-context-result-for context 'import)))))) | |
1185 | ||
1186 | ;;;###autoload | |
1187 | (defun epa-import-armor-in-region (start end) | |
1188 | "Import keys in the OpenPGP armor format in the current region | |
2c6c404a | 1189 | between START and END." |
c154c0be MO |
1190 | (interactive "r") |
1191 | (save-excursion | |
1192 | (save-restriction | |
1193 | (narrow-to-region start end) | |
1194 | (goto-char start) | |
1195 | (let (armor-start armor-end) | |
1196 | (while (re-search-forward | |
1197 | "-----BEGIN \\(PGP \\(PUBLIC\\|PRIVATE\\) KEY BLOCK\\)-----$" | |
1198 | nil t) | |
1199 | (setq armor-start (match-beginning 0) | |
1200 | armor-end (re-search-forward | |
1201 | (concat "^-----END " (match-string 1) "-----$") | |
1202 | nil t)) | |
1203 | (unless armor-end | |
1204 | (error "No armor tail")) | |
1205 | (epa-import-keys-region armor-start armor-end)))))) | |
1206 | ||
1207 | ;;;###autoload | |
1208 | (defun epa-export-keys (keys file) | |
2c6c404a | 1209 | "Export selected KEYS to FILE." |
c154c0be MO |
1210 | (interactive |
1211 | (let ((keys (epa--marked-keys)) | |
1212 | default-name) | |
1213 | (unless keys | |
1214 | (error "No keys selected")) | |
1215 | (setq default-name | |
1216 | (expand-file-name | |
1217 | (concat (epg-sub-key-id (car (epg-key-sub-key-list (car keys)))) | |
1218 | (if epa-armor ".asc" ".gpg")) | |
1219 | default-directory)) | |
1220 | (list keys | |
1221 | (expand-file-name | |
1222 | (read-file-name | |
1223 | (concat "To file (default " | |
1224 | (file-name-nondirectory default-name) | |
1225 | ") ") | |
1226 | (file-name-directory default-name) | |
1227 | default-name))))) | |
1228 | (let ((context (epg-make-context epa-protocol))) | |
1229 | (epg-context-set-armor context epa-armor) | |
1230 | (message "Exporting to %s..." (file-name-nondirectory file)) | |
1231 | (epg-export-keys-to-file context keys file) | |
1232 | (message "Exporting to %s...done" (file-name-nondirectory file)))) | |
1233 | ||
1234 | ;;;###autoload | |
1235 | (defun epa-insert-keys (keys) | |
2c6c404a | 1236 | "Insert selected KEYS after the point." |
c154c0be MO |
1237 | (interactive |
1238 | (list (epa-select-keys (epg-make-context epa-protocol) | |
1239 | "Select keys to export. "))) | |
1240 | (let ((context (epg-make-context epa-protocol))) | |
1241 | ;;(epg-context-set-armor context epa-armor) | |
1242 | (epg-context-set-armor context t) | |
1243 | (insert (epg-export-keys-to-string context keys)))) | |
1244 | ||
1245 | ;; (defun epa-sign-keys (keys &optional local) | |
1246 | ;; "Sign selected KEYS. | |
1247 | ;; If a prefix-arg is specified, the signature is marked as non exportable. | |
1248 | ||
1249 | ;; Don't use this command in Lisp programs!" | |
1250 | ;; (interactive | |
1251 | ;; (let ((keys (epa--marked-keys))) | |
1252 | ;; (unless keys | |
1253 | ;; (error "No keys selected")) | |
1254 | ;; (list keys current-prefix-arg))) | |
1255 | ;; (let ((context (epg-make-context epa-protocol))) | |
1256 | ;; (epg-context-set-passphrase-callback context | |
1257 | ;; #'epa-passphrase-callback-function) | |
1258 | ;; (epg-context-set-progress-callback context | |
1259 | ;; (cons | |
1260 | ;; #'epa-progress-callback-function | |
1261 | ;; "Signing keys...")) | |
1262 | ;; (message "Signing keys...") | |
1263 | ;; (epg-sign-keys context keys local) | |
1264 | ;; (message "Signing keys...done"))) | |
1265 | ;; (make-obsolete 'epa-sign-keys "Do not use.") | |
1266 | ||
1267 | (provide 'epa) | |
1268 | ||
1269 | ;;; epa.el ends here |