HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 74f50695 | 1 | ;;; epa.el --- the EasyPG Assistant -*- lexical-binding: t -*- |
| e9bffc61 | 2 | |
| ba318903 | 3 | ;; Copyright (C) 2006-2014 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" |
| ed85dee6 | 34 | :link '(custom-manual "(epa) Top") |
| c154c0be MO |
35 | :group 'epg) |
| 36 | ||
| 37 | (defcustom epa-popup-info-window t | |
| aec7da77 | 38 | "If non-nil, display status information from epa commands in another window." |
| c154c0be MO |
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 | ||
| b1fb3596 RS |
52 | (defcustom epa-mail-aliases nil |
| 53 | "Alist of aliases of email addresses that stand for encryption keys. | |
| 54 | Each element is (ALIAS EXPANSIONS...). | |
| 55 | It means that when a message is addressed to ALIAS, | |
| 56 | instead of encrypting it for ALIAS, encrypt it for EXPANSIONS... | |
| 57 | If EXPANSIONS is empty, ignore ALIAS as regards encryption. | |
| 58 | That is a handy way to avoid warnings about addresses | |
| 59 | that you don't have any key for." | |
| 60 | :type '(repeat (cons (string :tag "Alias") (repeat '(string :tag "Expansion")))) | |
| 61 | :group 'epa | |
| 62 | :version "24.4") | |
| 63 | ||
| c154c0be | 64 | (defface epa-validity-high |
| 4b56d0fe CY |
65 | '((default :weight bold) |
| 66 | (((class color) (background dark)) :foreground "PaleTurquoise")) | |
| 67 | "Face for high validity EPA information." | |
| c154c0be MO |
68 | :group 'epa-faces) |
| 69 | ||
| 70 | (defface epa-validity-medium | |
| 4b56d0fe CY |
71 | '((default :slant italic) |
| 72 | (((class color) (background dark)) :foreground "PaleTurquoise")) | |
| 73 | "Face for medium validity EPA information." | |
| c154c0be MO |
74 | :group 'epa-faces) |
| 75 | ||
| 76 | (defface epa-validity-low | |
| 4b56d0fe | 77 | '((t :slant italic)) |
| c154c0be MO |
78 | "Face used for displaying the low validity." |
| 79 | :group 'epa-faces) | |
| 80 | ||
| 81 | (defface epa-validity-disabled | |
| 4b56d0fe | 82 | '((t :slant italic :inverse-video t)) |
| c154c0be MO |
83 | "Face used for displaying the disabled validity." |
| 84 | :group 'epa-faces) | |
| 85 | ||
| 86 | (defface epa-string | |
| 87 | '((((class color) (background dark)) | |
| 4b56d0fe | 88 | :foreground "lightyellow") |
| c154c0be | 89 | (((class color) (background light)) |
| 4b56d0fe | 90 | :foreground "blue4")) |
| c154c0be MO |
91 | "Face used for displaying the string." |
| 92 | :group 'epa-faces) | |
| 93 | ||
| 94 | (defface epa-mark | |
| 4b56d0fe CY |
95 | '((default :weight bold) |
| 96 | (((class color) (background dark)) :foreground "orange") | |
| 97 | (((class color) (background light)) :foreground "red")) | |
| c154c0be MO |
98 | "Face used for displaying the high validity." |
| 99 | :group 'epa-faces) | |
| 100 | ||
| 101 | (defface epa-field-name | |
| 4b56d0fe CY |
102 | '((default :weight bold) |
| 103 | (((class color) (background dark)) :foreground "PaleTurquoise")) | |
| c154c0be MO |
104 | "Face for the name of the attribute field." |
| 105 | :group 'epa) | |
| 106 | ||
| 107 | (defface epa-field-body | |
| 4b56d0fe CY |
108 | '((default :slant italic) |
| 109 | (((class color) (background dark)) :foreground "turquoise")) | |
| c154c0be MO |
110 | "Face for the body of the attribute field." |
| 111 | :group 'epa) | |
| 112 | ||
| 113 | (defcustom epa-validity-face-alist | |
| 114 | '((unknown . epa-validity-disabled) | |
| 115 | (invalid . epa-validity-disabled) | |
| 116 | (disabled . epa-validity-disabled) | |
| 117 | (revoked . epa-validity-disabled) | |
| 118 | (expired . epa-validity-disabled) | |
| 119 | (none . epa-validity-low) | |
| 120 | (undefined . epa-validity-low) | |
| 121 | (never . epa-validity-low) | |
| 122 | (marginal . epa-validity-medium) | |
| 123 | (full . epa-validity-high) | |
| 124 | (ultimate . epa-validity-high)) | |
| 125 | "An alist mapping validity values to faces." | |
| 126 | :type '(repeat (cons symbol face)) | |
| 127 | :group 'epa) | |
| 128 | ||
| 129 | (defvar epa-font-lock-keywords | |
| 130 | '(("^\\*" | |
| 131 | (0 'epa-mark)) | |
| 132 | ("^\t\\([^\t:]+:\\)[ \t]*\\(.*\\)$" | |
| 133 | (1 'epa-field-name) | |
| 134 | (2 'epa-field-body))) | |
| 135 | "Default expressions to addon in epa-mode.") | |
| 136 | ||
| 137 | (defconst epa-pubkey-algorithm-letter-alist | |
| 138 | '((1 . ?R) | |
| 139 | (2 . ?r) | |
| 140 | (3 . ?s) | |
| 141 | (16 . ?g) | |
| 142 | (17 . ?D) | |
| 143 | (20 . ?G))) | |
| 144 | ||
| 145 | (defvar epa-protocol 'OpenPGP | |
| fb7ada5f | 146 | "The default protocol. |
| c154c0be MO |
147 | The value can be either OpenPGP or CMS. |
| 148 | ||
| 149 | You should bind this variable with `let', but do not set it globally.") | |
| 150 | ||
| 151 | (defvar epa-armor nil | |
| fb7ada5f | 152 | "If non-nil, epa commands create ASCII armored output. |
| c154c0be MO |
153 | |
| 154 | You should bind this variable with `let', but do not set it globally.") | |
| 155 | ||
| 156 | (defvar epa-textmode nil | |
| fb7ada5f | 157 | "If non-nil, epa commands treat input files as text. |
| c154c0be MO |
158 | |
| 159 | You should bind this variable with `let', but do not set it globally.") | |
| 160 | ||
| 161 | (defvar epa-keys-buffer nil) | |
| 162 | (defvar epa-key-buffer-alist nil) | |
| 163 | (defvar epa-key nil) | |
| 164 | (defvar epa-list-keys-arguments nil) | |
| 165 | (defvar epa-info-buffer nil) | |
| 166 | (defvar epa-last-coding-system-specified nil) | |
| 167 | ||
| 168 | (defvar epa-key-list-mode-map | |
| dc9b613e GM |
169 | (let ((keymap (make-sparse-keymap)) |
| 170 | (menu-map (make-sparse-keymap))) | |
| c154c0be MO |
171 | (define-key keymap "m" 'epa-mark-key) |
| 172 | (define-key keymap "u" 'epa-unmark-key) | |
| 173 | (define-key keymap "d" 'epa-decrypt-file) | |
| 174 | (define-key keymap "v" 'epa-verify-file) | |
| 175 | (define-key keymap "s" 'epa-sign-file) | |
| 176 | (define-key keymap "e" 'epa-encrypt-file) | |
| 177 | (define-key keymap "r" 'epa-delete-keys) | |
| 178 | (define-key keymap "i" 'epa-import-keys) | |
| 179 | (define-key keymap "o" 'epa-export-keys) | |
| 180 | (define-key keymap "g" 'revert-buffer) | |
| 181 | (define-key keymap "n" 'next-line) | |
| 182 | (define-key keymap "p" 'previous-line) | |
| ce3cefcc | 183 | (define-key keymap " " 'scroll-up-command) |
| 958614cf | 184 | (define-key keymap [?\S-\ ] 'scroll-down-command) |
| ce3cefcc | 185 | (define-key keymap [delete] 'scroll-down-command) |
| c154c0be | 186 | (define-key keymap "q" 'epa-exit-buffer) |
| dc9b613e | 187 | (define-key keymap [menu-bar epa-key-list-mode] (cons "Keys" menu-map)) |
| 703b9611 DN |
188 | (define-key menu-map [epa-key-list-unmark-key] |
| 189 | '(menu-item "Unmark Key" epa-unmark-key | |
| 190 | :help "Unmark a key")) | |
| 191 | (define-key menu-map [epa-key-list-mark-key] | |
| 192 | '(menu-item "Mark Key" epa-mark-key | |
| 193 | :help "Mark a key")) | |
| 194 | (define-key menu-map [separator-epa-file] '(menu-item "--")) | |
| 195 | (define-key menu-map [epa-verify-file] | |
| 196 | '(menu-item "Verify File..." epa-verify-file | |
| 197 | :help "Verify FILE")) | |
| 198 | (define-key menu-map [epa-sign-file] | |
| 199 | '(menu-item "Sign File..." epa-sign-file | |
| 200 | :help "Sign FILE by SIGNERS keys selected")) | |
| 201 | (define-key menu-map [epa-decrypt-file] | |
| 202 | '(menu-item "Decrypt File..." epa-decrypt-file | |
| 203 | :help "Decrypt FILE")) | |
| 204 | (define-key menu-map [epa-encrypt-file] | |
| d88444f2 | 205 | '(menu-item "Encrypt File..." epa-encrypt-file |
| 703b9611 DN |
206 | :help "Encrypt FILE for RECIPIENTS")) |
| 207 | (define-key menu-map [separator-epa-key-list] '(menu-item "--")) | |
| dc9b613e | 208 | (define-key menu-map [epa-key-list-delete-keys] |
| 7cc6e154 | 209 | '(menu-item "Delete Keys" epa-delete-keys |
| 703b9611 | 210 | :help "Delete Marked Keys")) |
| dc9b613e | 211 | (define-key menu-map [epa-key-list-import-keys] |
| 703b9611 | 212 | '(menu-item "Import Keys" epa-import-keys |
| dc9b613e GM |
213 | :help "Import keys from a file")) |
| 214 | (define-key menu-map [epa-key-list-export-keys] | |
| 703b9611 | 215 | '(menu-item "Export Keys" epa-export-keys |
| dc9b613e | 216 | :help "Export marked keys to a file")) |
| c154c0be MO |
217 | keymap)) |
| 218 | ||
| 219 | (defvar epa-key-mode-map | |
| 220 | (let ((keymap (make-sparse-keymap))) | |
| 221 | (define-key keymap "q" 'epa-exit-buffer) | |
| 222 | keymap)) | |
| 223 | ||
| 224 | (defvar epa-info-mode-map | |
| 225 | (let ((keymap (make-sparse-keymap))) | |
| 226 | (define-key keymap "q" 'delete-window) | |
| 227 | keymap)) | |
| 228 | ||
| 229 | (defvar epa-exit-buffer-function #'bury-buffer) | |
| 230 | ||
| 231 | (define-widget 'epa-key 'push-button | |
| 232 | "Button for representing a epg-key object." | |
| 233 | :format "%[%v%]" | |
| 234 | :button-face-get 'epa--key-widget-button-face-get | |
| 235 | :value-create 'epa--key-widget-value-create | |
| 236 | :action 'epa--key-widget-action | |
| 237 | :help-echo 'epa--key-widget-help-echo) | |
| 238 | ||
| 74f50695 | 239 | (defun epa--key-widget-action (widget &optional _event) |
| a648af17 DU |
240 | (save-selected-window |
| 241 | (epa--show-key (widget-get widget :value)))) | |
| c154c0be MO |
242 | |
| 243 | (defun epa--key-widget-value-create (widget) | |
| 244 | (let* ((key (widget-get widget :value)) | |
| 245 | (primary-sub-key (car (epg-key-sub-key-list key))) | |
| 246 | (primary-user-id (car (epg-key-user-id-list key)))) | |
| 247 | (insert (format "%c " | |
| 248 | (if (epg-sub-key-validity primary-sub-key) | |
| 249 | (car (rassq (epg-sub-key-validity primary-sub-key) | |
| 250 | epg-key-validity-alist)) | |
| 251 | ? )) | |
| 252 | (epg-sub-key-id primary-sub-key) | |
| 253 | " " | |
| 254 | (if primary-user-id | |
| 255 | (if (stringp (epg-user-id-string primary-user-id)) | |
| 256 | (epg-user-id-string primary-user-id) | |
| 257 | (epg-decode-dn (epg-user-id-string primary-user-id))) | |
| 258 | "")))) | |
| 259 | ||
| 260 | (defun epa--key-widget-button-face-get (widget) | |
| 261 | (let ((validity (epg-sub-key-validity (car (epg-key-sub-key-list | |
| 262 | (widget-get widget :value)))))) | |
| 263 | (if validity | |
| 264 | (cdr (assq validity epa-validity-face-alist)) | |
| 265 | 'default))) | |
| 266 | ||
| 267 | (defun epa--key-widget-help-echo (widget) | |
| 268 | (format "Show %s" | |
| 269 | (epg-sub-key-id (car (epg-key-sub-key-list | |
| 270 | (widget-get widget :value)))))) | |
| 271 | ||
| 86cf7329 SM |
272 | (defalias 'epa--encode-coding-string |
| 273 | (if (fboundp 'encode-coding-string) #'encode-coding-string #'identity)) | |
| c154c0be | 274 | |
| 86cf7329 SM |
275 | (defalias 'epa--decode-coding-string |
| 276 | (if (fboundp 'decode-coding-string) #'decode-coding-string #'identity)) | |
| c154c0be | 277 | |
| 86cf7329 | 278 | (define-derived-mode epa-key-list-mode special-mode "Keys" |
| c154c0be | 279 | "Major mode for `epa-list-keys'." |
| c154c0be | 280 | (buffer-disable-undo) |
| 86cf7329 | 281 | (setq truncate-lines t |
| c154c0be | 282 | buffer-read-only t) |
| 86cf7329 | 283 | (setq-local font-lock-defaults '(epa-font-lock-keywords t)) |
| c154c0be MO |
284 | ;; In XEmacs, auto-initialization of font-lock is not effective |
| 285 | ;; if buffer-file-name is not set. | |
| 286 | (font-lock-set-defaults) | |
| 287 | (make-local-variable 'epa-exit-buffer-function) | |
| 86cf7329 | 288 | (setq-local revert-buffer-function #'epa--key-list-revert-buffer)) |
| c154c0be | 289 | |
| 86cf7329 | 290 | (define-derived-mode epa-key-mode special-mode "Key" |
| c154c0be | 291 | "Major mode for a key description." |
| c154c0be | 292 | (buffer-disable-undo) |
| 86cf7329 | 293 | (setq truncate-lines t |
| c154c0be | 294 | buffer-read-only t) |
| 86cf7329 | 295 | (setq-local font-lock-defaults '(epa-font-lock-keywords t)) |
| c154c0be MO |
296 | ;; In XEmacs, auto-initialization of font-lock is not effective |
| 297 | ;; if buffer-file-name is not set. | |
| 298 | (font-lock-set-defaults) | |
| 86cf7329 | 299 | (make-local-variable 'epa-exit-buffer-function)) |
| c154c0be | 300 | |
| 86cf7329 | 301 | (define-derived-mode epa-info-mode special-mode "Info" |
| c154c0be | 302 | "Major mode for `epa-info-buffer'." |
| c154c0be | 303 | (buffer-disable-undo) |
| 86cf7329 SM |
304 | (setq truncate-lines t |
| 305 | buffer-read-only t)) | |
| c154c0be MO |
306 | |
| 307 | (defun epa-mark-key (&optional arg) | |
| 308 | "Mark a key on the current line. | |
| 309 | If ARG is non-nil, unmark the key." | |
| 310 | (interactive "P") | |
| 311 | (let ((inhibit-read-only t) | |
| 312 | buffer-read-only | |
| 313 | properties) | |
| 314 | (beginning-of-line) | |
| 315 | (unless (get-text-property (point) 'epa-key) | |
| 316 | (error "No key on this line")) | |
| 317 | (setq properties (text-properties-at (point))) | |
| 318 | (delete-char 1) | |
| 319 | (insert (if arg " " "*")) | |
| 320 | (set-text-properties (1- (point)) (point) properties) | |
| 321 | (forward-line))) | |
| 322 | ||
| 323 | (defun epa-unmark-key (&optional arg) | |
| 324 | "Unmark a key on the current line. | |
| 325 | If ARG is non-nil, mark the key." | |
| 326 | (interactive "P") | |
| 327 | (epa-mark-key (not arg))) | |
| 328 | ||
| 329 | (defun epa-exit-buffer () | |
| 330 | "Exit the current buffer. | |
| 331 | `epa-exit-buffer-function' is called if it is set." | |
| 332 | (interactive) | |
| 333 | (funcall epa-exit-buffer-function)) | |
| 334 | ||
| 335 | (defun epa--insert-keys (keys) | |
| 336 | (save-excursion | |
| 337 | (save-restriction | |
| 338 | (narrow-to-region (point) (point)) | |
| 339 | (let (point) | |
| 340 | (while keys | |
| 341 | (setq point (point)) | |
| 342 | (insert " ") | |
| 343 | (add-text-properties point (point) | |
| 344 | (list 'epa-key (car keys) | |
| 345 | 'front-sticky nil | |
| 346 | 'rear-nonsticky t | |
| 347 | 'start-open t | |
| 348 | 'end-open t)) | |
| 349 | (widget-create 'epa-key :value (car keys)) | |
| 350 | (insert "\n") | |
| f1914c40 | 351 | (setq keys (cdr keys)))) |
| c154c0be MO |
352 | (add-text-properties (point-min) (point-max) |
| 353 | (list 'epa-list-keys t | |
| 354 | 'front-sticky nil | |
| 355 | 'rear-nonsticky t | |
| 356 | 'start-open t | |
| 357 | 'end-open t))))) | |
| 358 | ||
| 359 | (defun epa--list-keys (name secret) | |
| 360 | (unless (and epa-keys-buffer | |
| 361 | (buffer-live-p epa-keys-buffer)) | |
| 362 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
| 363 | (set-buffer epa-keys-buffer) | |
| 364 | (epa-key-list-mode) | |
| 365 | (let ((inhibit-read-only t) | |
| 366 | buffer-read-only | |
| 367 | (point (point-min)) | |
| 368 | (context (epg-make-context epa-protocol))) | |
| 369 | (unless (get-text-property point 'epa-list-keys) | |
| 370 | (setq point (next-single-property-change point 'epa-list-keys))) | |
| 371 | (when point | |
| 372 | (delete-region point | |
| 373 | (or (next-single-property-change point 'epa-list-keys) | |
| 374 | (point-max))) | |
| 375 | (goto-char point)) | |
| 376 | (epa--insert-keys (epg-list-keys context name secret)) | |
| 377 | (widget-setup) | |
| 378 | (set-keymap-parent (current-local-map) widget-keymap)) | |
| 379 | (make-local-variable 'epa-list-keys-arguments) | |
| 380 | (setq epa-list-keys-arguments (list name secret)) | |
| 381 | (goto-char (point-min)) | |
| 382 | (pop-to-buffer (current-buffer))) | |
| 383 | ||
| 384 | ;;;###autoload | |
| 385 | (defun epa-list-keys (&optional name) | |
| 386 | "List all keys matched with NAME from the public keyring." | |
| 387 | (interactive | |
| 388 | (if current-prefix-arg | |
| 389 | (let ((name (read-string "Pattern: " | |
| 390 | (if epa-list-keys-arguments | |
| 391 | (car epa-list-keys-arguments))))) | |
| 392 | (list (if (equal name "") nil name))) | |
| 393 | (list nil))) | |
| 394 | (epa--list-keys name nil)) | |
| 395 | ||
| 396 | ;;;###autoload | |
| 397 | (defun epa-list-secret-keys (&optional name) | |
| 398 | "List all keys matched with NAME from the private keyring." | |
| 399 | (interactive | |
| 400 | (if current-prefix-arg | |
| 401 | (let ((name (read-string "Pattern: " | |
| 402 | (if epa-list-keys-arguments | |
| 403 | (car epa-list-keys-arguments))))) | |
| 404 | (list (if (equal name "") nil name))) | |
| 405 | (list nil))) | |
| 406 | (epa--list-keys name t)) | |
| 407 | ||
| 74f50695 | 408 | (defun epa--key-list-revert-buffer (&optional _ignore-auto _noconfirm) |
| c154c0be MO |
409 | (apply #'epa--list-keys epa-list-keys-arguments)) |
| 410 | ||
| 411 | (defun epa--marked-keys () | |
| 7fdbcd83 | 412 | (or (with-current-buffer epa-keys-buffer |
| c154c0be MO |
413 | (goto-char (point-min)) |
| 414 | (let (keys key) | |
| 415 | (while (re-search-forward "^\\*" nil t) | |
| 416 | (if (setq key (get-text-property (match-beginning 0) | |
| 417 | 'epa-key)) | |
| 418 | (setq keys (cons key keys)))) | |
| 419 | (nreverse keys))) | |
| 9b026d9f GM |
420 | (let ((key (get-text-property (point-at-bol) 'epa-key))) |
| 421 | (if key | |
| 422 | (list key))))) | |
| c154c0be MO |
423 | |
| 424 | (defun epa--select-keys (prompt keys) | |
| 7fdbcd83 SM |
425 | (unless (and epa-keys-buffer |
| 426 | (buffer-live-p epa-keys-buffer)) | |
| 427 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
| 428 | (with-current-buffer epa-keys-buffer | |
| c154c0be | 429 | (epa-key-list-mode) |
| 2d562c0f DU |
430 | ;; C-c C-c is the usual way to finish the selection (bug#11159). |
| 431 | (define-key (current-local-map) "\C-c\C-c" 'exit-recursive-edit) | |
| c154c0be MO |
432 | (let ((inhibit-read-only t) |
| 433 | buffer-read-only) | |
| 434 | (erase-buffer) | |
| 435 | (insert prompt "\n" | |
| 436 | (substitute-command-keys "\ | |
| 437 | - `\\[epa-mark-key]' to mark a key on the line | |
| 438 | - `\\[epa-unmark-key]' to unmark a key on the line\n")) | |
| 439 | (widget-create 'link | |
| 74f50695 | 440 | :notify (lambda (&rest _ignore) (abort-recursive-edit)) |
| c154c0be MO |
441 | :help-echo |
| 442 | (substitute-command-keys | |
| 443 | "Click here or \\[abort-recursive-edit] to cancel") | |
| 444 | "Cancel") | |
| 445 | (widget-create 'link | |
| 74f50695 | 446 | :notify (lambda (&rest _ignore) (exit-recursive-edit)) |
| c154c0be MO |
447 | :help-echo |
| 448 | (substitute-command-keys | |
| 449 | "Click here or \\[exit-recursive-edit] to finish") | |
| 450 | "OK") | |
| 451 | (insert "\n\n") | |
| 452 | (epa--insert-keys keys) | |
| 453 | (widget-setup) | |
| 454 | (set-keymap-parent (current-local-map) widget-keymap) | |
| 455 | (setq epa-exit-buffer-function #'abort-recursive-edit) | |
| 456 | (goto-char (point-min)) | |
| 397eb3f3 SM |
457 | (let ((display-buffer-mark-dedicated 'soft)) |
| 458 | (pop-to-buffer (current-buffer)))) | |
| c154c0be MO |
459 | (unwind-protect |
| 460 | (progn | |
| 461 | (recursive-edit) | |
| 462 | (epa--marked-keys)) | |
| c154c0be MO |
463 | (kill-buffer epa-keys-buffer)))) |
| 464 | ||
| 465 | ;;;###autoload | |
| 466 | (defun epa-select-keys (context prompt &optional names secret) | |
| 467 | "Display a user's keyring and ask him to select keys. | |
| 468 | CONTEXT is an epg-context. | |
| 469 | PROMPT is a string to prompt with. | |
| 470 | NAMES is a list of strings to be matched with keys. If it is nil, all | |
| 471 | the keys are listed. | |
| 472 | If SECRET is non-nil, list secret keys instead of public keys." | |
| 473 | (let ((keys (epg-list-keys context names secret))) | |
| 2c6c404a | 474 | (epa--select-keys prompt keys))) |
| c154c0be MO |
475 | |
| 476 | (defun epa--show-key (key) | |
| 477 | (let* ((primary-sub-key (car (epg-key-sub-key-list key))) | |
| 478 | (entry (assoc (epg-sub-key-id primary-sub-key) | |
| 479 | epa-key-buffer-alist)) | |
| 480 | (inhibit-read-only t) | |
| 481 | buffer-read-only | |
| 482 | pointer) | |
| 483 | (unless entry | |
| 484 | (setq entry (cons (epg-sub-key-id primary-sub-key) nil) | |
| 485 | epa-key-buffer-alist (cons entry epa-key-buffer-alist))) | |
| 486 | (unless (and (cdr entry) | |
| 487 | (buffer-live-p (cdr entry))) | |
| 488 | (setcdr entry (generate-new-buffer | |
| 489 | (format "*Key*%s" (epg-sub-key-id primary-sub-key))))) | |
| 490 | (set-buffer (cdr entry)) | |
| 491 | (epa-key-mode) | |
| 492 | (make-local-variable 'epa-key) | |
| 493 | (setq epa-key key) | |
| 494 | (erase-buffer) | |
| 495 | (setq pointer (epg-key-user-id-list key)) | |
| 496 | (while pointer | |
| 497 | (if (car pointer) | |
| 498 | (insert " " | |
| 499 | (if (epg-user-id-validity (car pointer)) | |
| 500 | (char-to-string | |
| 501 | (car (rassq (epg-user-id-validity (car pointer)) | |
| 502 | epg-key-validity-alist))) | |
| 503 | " ") | |
| 504 | " " | |
| 505 | (if (stringp (epg-user-id-string (car pointer))) | |
| 506 | (epg-user-id-string (car pointer)) | |
| 507 | (epg-decode-dn (epg-user-id-string (car pointer)))) | |
| 508 | "\n")) | |
| 509 | (setq pointer (cdr pointer))) | |
| 510 | (setq pointer (epg-key-sub-key-list key)) | |
| 511 | (while pointer | |
| 512 | (insert " " | |
| 513 | (if (epg-sub-key-validity (car pointer)) | |
| 514 | (char-to-string | |
| 515 | (car (rassq (epg-sub-key-validity (car pointer)) | |
| 516 | epg-key-validity-alist))) | |
| 517 | " ") | |
| 518 | " " | |
| 519 | (epg-sub-key-id (car pointer)) | |
| 520 | " " | |
| 521 | (format "%dbits" | |
| 522 | (epg-sub-key-length (car pointer))) | |
| 523 | " " | |
| 524 | (cdr (assq (epg-sub-key-algorithm (car pointer)) | |
| 525 | epg-pubkey-algorithm-alist)) | |
| 526 | "\n\tCreated: " | |
| 527 | (condition-case nil | |
| 528 | (format-time-string "%Y-%m-%d" | |
| 529 | (epg-sub-key-creation-time (car pointer))) | |
| 530 | (error "????-??-??")) | |
| 531 | (if (epg-sub-key-expiration-time (car pointer)) | |
| 97c07afc DU |
532 | (format (if (time-less-p (current-time) |
| 533 | (epg-sub-key-expiration-time | |
| 534 | (car pointer))) | |
| 535 | "\n\tExpires: %s" | |
| 536 | "\n\tExpired: %s") | |
| c154c0be MO |
537 | (condition-case nil |
| 538 | (format-time-string "%Y-%m-%d" | |
| 539 | (epg-sub-key-expiration-time | |
| 540 | (car pointer))) | |
| 541 | (error "????-??-??"))) | |
| 542 | "") | |
| 543 | "\n\tCapabilities: " | |
| 544 | (mapconcat #'symbol-name | |
| 545 | (epg-sub-key-capability (car pointer)) | |
| 546 | " ") | |
| 547 | "\n\tFingerprint: " | |
| 548 | (epg-sub-key-fingerprint (car pointer)) | |
| 549 | "\n") | |
| 550 | (setq pointer (cdr pointer))) | |
| 551 | (goto-char (point-min)) | |
| 552 | (pop-to-buffer (current-buffer)))) | |
| 553 | ||
| 554 | (defun epa-display-info (info) | |
| 555 | (if epa-popup-info-window | |
| 556 | (save-selected-window | |
| 557 | (unless (and epa-info-buffer (buffer-live-p epa-info-buffer)) | |
| 558 | (setq epa-info-buffer (generate-new-buffer "*Info*"))) | |
| 559 | (if (get-buffer-window epa-info-buffer) | |
| 560 | (delete-window (get-buffer-window epa-info-buffer))) | |
| 7fdbcd83 | 561 | (with-current-buffer epa-info-buffer |
| c154c0be MO |
562 | (let ((inhibit-read-only t) |
| 563 | buffer-read-only) | |
| 564 | (erase-buffer) | |
| 565 | (insert info)) | |
| 566 | (epa-info-mode) | |
| 567 | (goto-char (point-min))) | |
| 568 | (if (> (window-height) | |
| 569 | epa-info-window-height) | |
| 570 | (set-window-buffer (split-window nil (- (window-height) | |
| 571 | epa-info-window-height)) | |
| 572 | epa-info-buffer) | |
| 573 | (pop-to-buffer epa-info-buffer) | |
| 574 | (if (> (window-height) epa-info-window-height) | |
| 575 | (shrink-window (- (window-height) epa-info-window-height))))) | |
| 576 | (message "%s" info))) | |
| 577 | ||
| 578 | (defun epa-display-verify-result (verify-result) | |
| 59f7af81 | 579 | (declare (obsolete epa-display-info "23.1")) |
| c154c0be | 580 | (epa-display-info (epg-verify-result-to-string verify-result))) |
| c154c0be MO |
581 | |
| 582 | (defun epa-passphrase-callback-function (context key-id handback) | |
| 583 | (if (eq key-id 'SYM) | |
| 7450df5d LMI |
584 | (read-passwd |
| 585 | (format "Passphrase for symmetric encryption%s: " | |
| 446b12da DU |
586 | ;; Add the file name to the prompt, if any. |
| 587 | (if (stringp handback) | |
| 588 | (format " for %s" handback) | |
| 589 | "")) | |
| 7450df5d | 590 | (eq (epg-context-operation context) 'encrypt)) |
| c154c0be MO |
591 | (read-passwd |
| 592 | (if (eq key-id 'PIN) | |
| 593 | "Passphrase for PIN: " | |
| 594 | (let ((entry (assoc key-id epg-user-id-alist))) | |
| 595 | (if entry | |
| 596 | (format "Passphrase for %s %s: " key-id (cdr entry)) | |
| 597 | (format "Passphrase for %s: " key-id))))))) | |
| 598 | ||
| 74f50695 | 599 | (defun epa-progress-callback-function (_context what _char current total |
| c154c0be | 600 | handback) |
| 9d5cb631 DU |
601 | (let ((prompt (or handback |
| 602 | (format "Processing %s: " what)))) | |
| 603 | ;; According to gnupg/doc/DETAIL: a "total" of 0 indicates that | |
| 604 | ;; the total amount is not known. The condition TOTAL && CUR == | |
| 605 | ;; TOTAL may be used to detect the end of an operation. | |
| 606 | (if (> total 0) | |
| 607 | (if (= current total) | |
| 608 | (message "%s...done" prompt) | |
| 609 | (message "%s...%d%%" prompt | |
| 610 | (floor (* (/ current (float total)) 100)))) | |
| 611 | (message "%s..." prompt)))) | |
| c154c0be | 612 | |
| ff4871b9 GM |
613 | (defun epa-read-file-name (input) |
| 614 | "Interactively read an output file name based on INPUT file name." | |
| 615 | (setq input (file-name-sans-extension (expand-file-name input))) | |
| 616 | (expand-file-name | |
| 617 | (read-file-name | |
| 618 | (concat "To file (default " (file-name-nondirectory input) ") ") | |
| 619 | (file-name-directory input) | |
| 620 | input))) | |
| 621 | ||
| c154c0be | 622 | ;;;###autoload |
| ff4871b9 GM |
623 | (defun epa-decrypt-file (decrypt-file &optional plain-file) |
| 624 | "Decrypt DECRYPT-FILE into PLAIN-FILE. | |
| 625 | If you do not specify PLAIN-FILE, this functions prompts for the value to use." | |
| 212e29f2 | 626 | (interactive |
| ff4871b9 GM |
627 | (let* ((file (read-file-name "File to decrypt: ")) |
| 628 | (plain (epa-read-file-name file))) | |
| 212e29f2 | 629 | (list file plain))) |
| ff4871b9 | 630 | (or plain-file (setq plain-file (epa-read-file-name decrypt-file))) |
| 212e29f2 RS |
631 | (setq decrypt-file (expand-file-name decrypt-file)) |
| 632 | (let ((context (epg-make-context epa-protocol))) | |
| c154c0be MO |
633 | (epg-context-set-passphrase-callback context |
| 634 | #'epa-passphrase-callback-function) | |
| 635 | (epg-context-set-progress-callback context | |
| 636 | (cons | |
| 637 | #'epa-progress-callback-function | |
| 638 | (format "Decrypting %s..." | |
| 212e29f2 RS |
639 | (file-name-nondirectory decrypt-file)))) |
| 640 | (message "Decrypting %s..." (file-name-nondirectory decrypt-file)) | |
| 641 | (epg-decrypt-file context decrypt-file plain-file) | |
| 642 | (message "Decrypting %s...wrote %s" (file-name-nondirectory decrypt-file) | |
| 643 | (file-name-nondirectory plain-file)) | |
| c154c0be MO |
644 | (if (epg-context-result-for context 'verify) |
| 645 | (epa-display-info (epg-verify-result-to-string | |
| 646 | (epg-context-result-for context 'verify)))))) | |
| 647 | ||
| 648 | ;;;###autoload | |
| 649 | (defun epa-verify-file (file) | |
| 650 | "Verify FILE." | |
| 651 | (interactive "fFile: ") | |
| 652 | (setq file (expand-file-name file)) | |
| 653 | (let* ((context (epg-make-context epa-protocol)) | |
| 654 | (plain (if (equal (file-name-extension file) "sig") | |
| 655 | (file-name-sans-extension file)))) | |
| 656 | (epg-context-set-progress-callback context | |
| 657 | (cons | |
| 658 | #'epa-progress-callback-function | |
| 659 | (format "Verifying %s..." | |
| 660 | (file-name-nondirectory file)))) | |
| 661 | (message "Verifying %s..." (file-name-nondirectory file)) | |
| 662 | (epg-verify-file context file plain) | |
| 663 | (message "Verifying %s...done" (file-name-nondirectory file)) | |
| 664 | (if (epg-context-result-for context 'verify) | |
| 665 | (epa-display-info (epg-verify-result-to-string | |
| 666 | (epg-context-result-for context 'verify)))))) | |
| 667 | ||
| 668 | (defun epa--read-signature-type () | |
| 669 | (let (type c) | |
| 670 | (while (null type) | |
| 671 | (message "Signature type (n,c,d,?) ") | |
| 672 | (setq c (read-char)) | |
| 673 | (cond ((eq c ?c) | |
| 674 | (setq type 'clear)) | |
| 675 | ((eq c ?d) | |
| 676 | (setq type 'detached)) | |
| 677 | ((eq c ??) | |
| 678 | (with-output-to-temp-buffer "*Help*" | |
| 7fdbcd83 | 679 | (with-current-buffer standard-output |
| c154c0be MO |
680 | (insert "\ |
| 681 | n - Create a normal signature | |
| 682 | c - Create a cleartext signature | |
| 683 | d - Create a detached signature | |
| 684 | ? - Show this help | |
| 685 | ")))) | |
| 686 | (t | |
| 50f13b3e DU |
687 | (setq type 'normal)))) |
| 688 | type)) | |
| c154c0be MO |
689 | |
| 690 | ;;;###autoload | |
| 691 | (defun epa-sign-file (file signers mode) | |
| 692 | "Sign FILE by SIGNERS keys selected." | |
| 693 | (interactive | |
| 694 | (let ((verbose current-prefix-arg)) | |
| 695 | (list (expand-file-name (read-file-name "File: ")) | |
| 696 | (if verbose | |
| 697 | (epa-select-keys (epg-make-context epa-protocol) | |
| 698 | "Select keys for signing. | |
| 699 | If no one is selected, default secret key is used. " | |
| 700 | nil t)) | |
| 701 | (if verbose | |
| 702 | (epa--read-signature-type) | |
| 703 | 'clear)))) | |
| 704 | (let ((signature (concat file | |
| 705 | (if (eq epa-protocol 'OpenPGP) | |
| 706 | (if (or epa-armor | |
| 707 | (not (memq mode | |
| 708 | '(nil t normal detached)))) | |
| 709 | ".asc" | |
| 710 | (if (memq mode '(t detached)) | |
| 711 | ".sig" | |
| 712 | ".gpg")) | |
| 713 | (if (memq mode '(t detached)) | |
| 714 | ".p7s" | |
| 715 | ".p7m")))) | |
| 716 | (context (epg-make-context epa-protocol))) | |
| 717 | (epg-context-set-armor context epa-armor) | |
| 718 | (epg-context-set-textmode context epa-textmode) | |
| 719 | (epg-context-set-signers context signers) | |
| 720 | (epg-context-set-passphrase-callback context | |
| 721 | #'epa-passphrase-callback-function) | |
| 722 | (epg-context-set-progress-callback context | |
| 723 | (cons | |
| 724 | #'epa-progress-callback-function | |
| 725 | (format "Signing %s..." | |
| 726 | (file-name-nondirectory file)))) | |
| 727 | (message "Signing %s..." (file-name-nondirectory file)) | |
| 728 | (epg-sign-file context file signature mode) | |
| 729 | (message "Signing %s...wrote %s" (file-name-nondirectory file) | |
| 730 | (file-name-nondirectory signature)))) | |
| 731 | ||
| 732 | ;;;###autoload | |
| 733 | (defun epa-encrypt-file (file recipients) | |
| 734 | "Encrypt FILE for RECIPIENTS." | |
| 735 | (interactive | |
| 736 | (list (expand-file-name (read-file-name "File: ")) | |
| 737 | (epa-select-keys (epg-make-context epa-protocol) | |
| 738 | "Select recipients for encryption. | |
| 739 | If no one is selected, symmetric encryption will be performed. "))) | |
| 740 | (let ((cipher (concat file (if (eq epa-protocol 'OpenPGP) | |
| 741 | (if epa-armor ".asc" ".gpg") | |
| 742 | ".p7m"))) | |
| 743 | (context (epg-make-context epa-protocol))) | |
| 744 | (epg-context-set-armor context epa-armor) | |
| 745 | (epg-context-set-textmode context epa-textmode) | |
| 746 | (epg-context-set-passphrase-callback context | |
| 747 | #'epa-passphrase-callback-function) | |
| 748 | (epg-context-set-progress-callback context | |
| 749 | (cons | |
| 750 | #'epa-progress-callback-function | |
| 751 | (format "Encrypting %s..." | |
| 752 | (file-name-nondirectory file)))) | |
| 753 | (message "Encrypting %s..." (file-name-nondirectory file)) | |
| 754 | (epg-encrypt-file context file recipients cipher) | |
| 755 | (message "Encrypting %s...wrote %s" (file-name-nondirectory file) | |
| 756 | (file-name-nondirectory cipher)))) | |
| 757 | ||
| 758 | ;;;###autoload | |
| fe38beef | 759 | (defun epa-decrypt-region (start end &optional make-buffer-function) |
| c154c0be | 760 | "Decrypt the current region between START and END. |
| fe38beef RS |
761 | |
| 762 | If MAKE-BUFFER-FUNCTION is non-nil, call it to prepare an output buffer. | |
| 763 | It should return that buffer. If it copies the input, it should | |
| 764 | delete the text now being decrypted. It should leave point at the | |
| 765 | proper place to insert the plaintext. | |
| c154c0be | 766 | |
| 3a99bf64 | 767 | Be careful about using this command in Lisp programs! |
| 2c6c404a MO |
768 | Since this function operates on regions, it does some tricks such |
| 769 | as coding-system detection and unibyte/multibyte conversion. If | |
| 770 | you are sure how the data in the region should be treated, you | |
| 771 | should consider using the string based counterpart | |
| 772 | `epg-decrypt-string', or the file based counterpart | |
| 773 | `epg-decrypt-file' instead. | |
| 774 | ||
| 775 | For example: | |
| 776 | ||
| 777 | \(let ((context (epg-make-context 'OpenPGP))) | |
| 778 | (decode-coding-string | |
| 779 | (epg-decrypt-string context (buffer-substring start end)) | |
| 780 | 'utf-8))" | |
| c154c0be MO |
781 | (interactive "r") |
| 782 | (save-excursion | |
| 783 | (let ((context (epg-make-context epa-protocol)) | |
| 784 | plain) | |
| 785 | (epg-context-set-passphrase-callback context | |
| 786 | #'epa-passphrase-callback-function) | |
| 787 | (epg-context-set-progress-callback context | |
| 788 | (cons | |
| 789 | #'epa-progress-callback-function | |
| 790 | "Decrypting...")) | |
| 791 | (message "Decrypting...") | |
| 792 | (setq plain (epg-decrypt-string context (buffer-substring start end))) | |
| 793 | (message "Decrypting...done") | |
| 794 | (setq plain (epa--decode-coding-string | |
| 795 | plain | |
| 796 | (or coding-system-for-read | |
| 42481bde DU |
797 | (get-text-property start 'epa-coding-system-used) |
| 798 | 'undecided))) | |
| 44fede4d RS |
799 | (if make-buffer-function |
| 800 | (with-current-buffer (funcall make-buffer-function) | |
| 801 | (let ((inhibit-read-only t)) | |
| 802 | (insert plain))) | |
| 803 | (if (y-or-n-p "Replace the original text? ") | |
| 804 | (let ((inhibit-read-only t)) | |
| 805 | (delete-region start end) | |
| 806 | (goto-char start) | |
| 807 | (insert plain)) | |
| 3a99bf64 RS |
808 | (with-output-to-temp-buffer "*Temp*" |
| 809 | (set-buffer standard-output) | |
| 810 | (insert plain) | |
| 811 | (epa-info-mode)))) | |
| c154c0be MO |
812 | (if (epg-context-result-for context 'verify) |
| 813 | (epa-display-info (epg-verify-result-to-string | |
| 814 | (epg-context-result-for context 'verify))))))) | |
| 815 | ||
| 816 | (defun epa--find-coding-system-for-mime-charset (mime-charset) | |
| 817 | (if (featurep 'xemacs) | |
| 818 | (if (fboundp 'find-coding-system) | |
| 819 | (find-coding-system mime-charset)) | |
| 3a99bf64 | 820 | ;; Find the first coding system which corresponds to MIME-CHARSET. |
| c154c0be MO |
821 | (let ((pointer (coding-system-list))) |
| 822 | (while (and pointer | |
| 3a99bf64 RS |
823 | (not (eq (coding-system-get (car pointer) 'mime-charset) |
| 824 | mime-charset))) | |
| c154c0be | 825 | (setq pointer (cdr pointer))) |
| 3a99bf64 | 826 | (car pointer)))) |
| c154c0be MO |
827 | |
| 828 | ;;;###autoload | |
| 829 | (defun epa-decrypt-armor-in-region (start end) | |
| 830 | "Decrypt OpenPGP armors in the current region between START and END. | |
| 831 | ||
| 2c6c404a MO |
832 | Don't use this command in Lisp programs! |
| 833 | See the reason described in the `epa-decrypt-region' documentation." | |
| c154c0be MO |
834 | (interactive "r") |
| 835 | (save-excursion | |
| 836 | (save-restriction | |
| 837 | (narrow-to-region start end) | |
| 838 | (goto-char start) | |
| 839 | (let (armor-start armor-end) | |
| 840 | (while (re-search-forward "-----BEGIN PGP MESSAGE-----$" nil t) | |
| 841 | (setq armor-start (match-beginning 0) | |
| 842 | armor-end (re-search-forward "^-----END PGP MESSAGE-----$" | |
| 843 | nil t)) | |
| 844 | (unless armor-end | |
| 3a99bf64 | 845 | (error "Encryption armor beginning has no matching end")) |
| c154c0be MO |
846 | (goto-char armor-start) |
| 847 | (let ((coding-system-for-read | |
| 848 | (or coding-system-for-read | |
| 849 | (if (re-search-forward "^Charset: \\(.*\\)" armor-end t) | |
| 850 | (epa--find-coding-system-for-mime-charset | |
| 851 | (intern (downcase (match-string 1)))))))) | |
| 852 | (goto-char armor-end) | |
| 853 | (epa-decrypt-region armor-start armor-end))))))) | |
| 854 | ||
| 855 | ;;;###autoload | |
| 856 | (defun epa-verify-region (start end) | |
| 857 | "Verify the current region between START and END. | |
| 858 | ||
| 2c6c404a MO |
859 | Don't use this command in Lisp programs! |
| 860 | Since this function operates on regions, it does some tricks such | |
| 861 | as coding-system detection and unibyte/multibyte conversion. If | |
| 862 | you are sure how the data in the region should be treated, you | |
| 863 | should consider using the string based counterpart | |
| 864 | `epg-verify-string', or the file based counterpart | |
| 865 | `epg-verify-file' instead. | |
| 866 | ||
| 867 | For example: | |
| 868 | ||
| 869 | \(let ((context (epg-make-context 'OpenPGP))) | |
| 870 | (decode-coding-string | |
| 871 | (epg-verify-string context (buffer-substring start end)) | |
| 872 | 'utf-8))" | |
| c154c0be MO |
873 | (interactive "r") |
| 874 | (let ((context (epg-make-context epa-protocol)) | |
| 875 | plain) | |
| 876 | (epg-context-set-progress-callback context | |
| 877 | (cons | |
| 878 | #'epa-progress-callback-function | |
| 879 | "Verifying...")) | |
| 880 | (message "Verifying...") | |
| 881 | (setq plain (epg-verify-string | |
| 882 | context | |
| 883 | (epa--encode-coding-string | |
| 884 | (buffer-substring start end) | |
| 885 | (or coding-system-for-write | |
| 886 | (get-text-property start 'epa-coding-system-used))))) | |
| 887 | (message "Verifying...done") | |
| 888 | (setq plain (epa--decode-coding-string | |
| 889 | plain | |
| 890 | (or coding-system-for-read | |
| 42481bde DU |
891 | (get-text-property start 'epa-coding-system-used) |
| 892 | 'undecided))) | |
| c154c0be MO |
893 | (if (y-or-n-p "Replace the original text? ") |
| 894 | (let ((inhibit-read-only t) | |
| 895 | buffer-read-only) | |
| 896 | (delete-region start end) | |
| 897 | (goto-char start) | |
| 898 | (insert plain)) | |
| 899 | (with-output-to-temp-buffer "*Temp*" | |
| 900 | (set-buffer standard-output) | |
| 901 | (insert plain) | |
| 902 | (epa-info-mode))) | |
| 903 | (if (epg-context-result-for context 'verify) | |
| 904 | (epa-display-info (epg-verify-result-to-string | |
| 905 | (epg-context-result-for context 'verify)))))) | |
| 906 | ||
| 907 | ;;;###autoload | |
| 908 | (defun epa-verify-cleartext-in-region (start end) | |
| 909 | "Verify OpenPGP cleartext signed messages in the current region | |
| 910 | between START and END. | |
| 911 | ||
| 2c6c404a MO |
912 | Don't use this command in Lisp programs! |
| 913 | See the reason described in the `epa-verify-region' documentation." | |
| c154c0be MO |
914 | (interactive "r") |
| 915 | (save-excursion | |
| 916 | (save-restriction | |
| 917 | (narrow-to-region start end) | |
| 918 | (goto-char start) | |
| 919 | (let (cleartext-start cleartext-end) | |
| 920 | (while (re-search-forward "-----BEGIN PGP SIGNED MESSAGE-----$" | |
| 921 | nil t) | |
| 922 | (setq cleartext-start (match-beginning 0)) | |
| 923 | (unless (re-search-forward "^-----BEGIN PGP SIGNATURE-----$" | |
| 924 | nil t) | |
| 925 | (error "Invalid cleartext signed message")) | |
| 926 | (setq cleartext-end (re-search-forward | |
| 927 | "^-----END PGP SIGNATURE-----$" | |
| 928 | nil t)) | |
| 929 | (unless cleartext-end | |
| 930 | (error "No cleartext tail")) | |
| 931 | (epa-verify-region cleartext-start cleartext-end)))))) | |
| 932 | ||
| 86cf7329 | 933 | (defalias 'epa--select-safe-coding-system |
| c154c0be | 934 | (if (fboundp 'select-safe-coding-system) |
| 86cf7329 SM |
935 | #'select-safe-coding-system |
| 936 | (lambda (_from _to) | |
| c154c0be MO |
937 | buffer-file-coding-system))) |
| 938 | ||
| 939 | ;;;###autoload | |
| 940 | (defun epa-sign-region (start end signers mode) | |
| 941 | "Sign the current region between START and END by SIGNERS keys selected. | |
| 942 | ||
| 2c6c404a MO |
943 | Don't use this command in Lisp programs! |
| 944 | Since this function operates on regions, it does some tricks such | |
| 945 | as coding-system detection and unibyte/multibyte conversion. If | |
| 946 | you are sure how the data should be treated, you should consider | |
| 947 | using the string based counterpart `epg-sign-string', or the file | |
| 948 | based counterpart `epg-sign-file' instead. | |
| 949 | ||
| 950 | For example: | |
| 951 | ||
| 952 | \(let ((context (epg-make-context 'OpenPGP))) | |
| 953 | (epg-sign-string | |
| 954 | context | |
| 955 | (encode-coding-string (buffer-substring start end) 'utf-8)))" | |
| c154c0be MO |
956 | (interactive |
| 957 | (let ((verbose current-prefix-arg)) | |
| 958 | (setq epa-last-coding-system-specified | |
| 959 | (or coding-system-for-write | |
| 960 | (epa--select-safe-coding-system | |
| 961 | (region-beginning) (region-end)))) | |
| 962 | (list (region-beginning) (region-end) | |
| 963 | (if verbose | |
| 964 | (epa-select-keys (epg-make-context epa-protocol) | |
| 965 | "Select keys for signing. | |
| 966 | If no one is selected, default secret key is used. " | |
| 967 | nil t)) | |
| 968 | (if verbose | |
| 969 | (epa--read-signature-type) | |
| 970 | 'clear)))) | |
| 971 | (save-excursion | |
| 972 | (let ((context (epg-make-context epa-protocol)) | |
| 973 | signature) | |
| 974 | ;;(epg-context-set-armor context epa-armor) | |
| 975 | (epg-context-set-armor context t) | |
| 976 | ;;(epg-context-set-textmode context epa-textmode) | |
| 977 | (epg-context-set-textmode context t) | |
| 978 | (epg-context-set-signers context signers) | |
| 979 | (epg-context-set-passphrase-callback context | |
| 980 | #'epa-passphrase-callback-function) | |
| 981 | (epg-context-set-progress-callback context | |
| 982 | (cons | |
| 983 | #'epa-progress-callback-function | |
| 984 | "Signing...")) | |
| 985 | (message "Signing...") | |
| 986 | (setq signature (epg-sign-string context | |
| 987 | (epa--encode-coding-string | |
| 988 | (buffer-substring start end) | |
| 989 | epa-last-coding-system-specified) | |
| 990 | mode)) | |
| 991 | (message "Signing...done") | |
| 992 | (delete-region start end) | |
| 993 | (goto-char start) | |
| 994 | (add-text-properties (point) | |
| 995 | (progn | |
| 996 | (insert (epa--decode-coding-string | |
| 997 | signature | |
| 998 | (or coding-system-for-read | |
| 999 | epa-last-coding-system-specified))) | |
| 1000 | (point)) | |
| 1001 | (list 'epa-coding-system-used | |
| 1002 | epa-last-coding-system-specified | |
| 1003 | 'front-sticky nil | |
| 1004 | 'rear-nonsticky t | |
| 1005 | 'start-open t | |
| 1006 | 'end-open t))))) | |
| 1007 | ||
| 86cf7329 | 1008 | (defalias 'epa--derived-mode-p |
| c154c0be | 1009 | (if (fboundp 'derived-mode-p) |
| 86cf7329 SM |
1010 | #'derived-mode-p |
| 1011 | (lambda (&rest modes) | |
| c154c0be MO |
1012 | "Non-nil if the current major mode is derived from one of MODES. |
| 1013 | Uses the `derived-mode-parent' property of the symbol to trace backwards." | |
| 1014 | (let ((parent major-mode)) | |
| 86cf7329 SM |
1015 | (while (and (not (memq parent modes)) |
| 1016 | (setq parent (get parent 'derived-mode-parent)))) | |
| 1017 | parent)))) | |
| c154c0be MO |
1018 | |
| 1019 | ;;;###autoload | |
| 1020 | (defun epa-encrypt-region (start end recipients sign signers) | |
| 1021 | "Encrypt the current region between START and END for RECIPIENTS. | |
| 1022 | ||
| 2c6c404a MO |
1023 | Don't use this command in Lisp programs! |
| 1024 | Since this function operates on regions, it does some tricks such | |
| 1025 | as coding-system detection and unibyte/multibyte conversion. If | |
| 1026 | you are sure how the data should be treated, you should consider | |
| 1027 | using the string based counterpart `epg-encrypt-string', or the | |
| 1028 | file based counterpart `epg-encrypt-file' instead. | |
| 1029 | ||
| 1030 | For example: | |
| 1031 | ||
| 1032 | \(let ((context (epg-make-context 'OpenPGP))) | |
| 1033 | (epg-encrypt-string | |
| 1034 | context | |
| 1035 | (encode-coding-string (buffer-substring start end) 'utf-8) | |
| 1036 | nil))" | |
| c154c0be MO |
1037 | (interactive |
| 1038 | (let ((verbose current-prefix-arg) | |
| 1039 | (context (epg-make-context epa-protocol)) | |
| 1040 | sign) | |
| 1041 | (setq epa-last-coding-system-specified | |
| 1042 | (or coding-system-for-write | |
| 1043 | (epa--select-safe-coding-system | |
| 1044 | (region-beginning) (region-end)))) | |
| 1045 | (list (region-beginning) (region-end) | |
| 1046 | (epa-select-keys context | |
| 1047 | "Select recipients for encryption. | |
| 1048 | If no one is selected, symmetric encryption will be performed. ") | |
| 1049 | (setq sign (if verbose (y-or-n-p "Sign? "))) | |
| 1050 | (if sign | |
| 1051 | (epa-select-keys context | |
| 1052 | "Select keys for signing. "))))) | |
| 1053 | (save-excursion | |
| 1054 | (let ((context (epg-make-context epa-protocol)) | |
| 1055 | cipher) | |
| 1056 | ;;(epg-context-set-armor context epa-armor) | |
| 1057 | (epg-context-set-armor context t) | |
| 1058 | ;;(epg-context-set-textmode context epa-textmode) | |
| 1059 | (epg-context-set-textmode context t) | |
| 1060 | (if sign | |
| 1061 | (epg-context-set-signers context signers)) | |
| 1062 | (epg-context-set-passphrase-callback context | |
| 1063 | #'epa-passphrase-callback-function) | |
| 1064 | (epg-context-set-progress-callback context | |
| 1065 | (cons | |
| 1066 | #'epa-progress-callback-function | |
| 1067 | "Encrypting...")) | |
| 1068 | (message "Encrypting...") | |
| 1069 | (setq cipher (epg-encrypt-string context | |
| 1070 | (epa--encode-coding-string | |
| 1071 | (buffer-substring start end) | |
| 1072 | epa-last-coding-system-specified) | |
| 1073 | recipients | |
| 1074 | sign)) | |
| 1075 | (message "Encrypting...done") | |
| 1076 | (delete-region start end) | |
| 1077 | (goto-char start) | |
| 1078 | (add-text-properties (point) | |
| 1079 | (progn | |
| 1080 | (insert cipher) | |
| 1081 | (point)) | |
| 1082 | (list 'epa-coding-system-used | |
| 1083 | epa-last-coding-system-specified | |
| 1084 | 'front-sticky nil | |
| 1085 | 'rear-nonsticky t | |
| 1086 | 'start-open t | |
| 1087 | 'end-open t))))) | |
| 1088 | ||
| 1089 | ;;;###autoload | |
| 1090 | (defun epa-delete-keys (keys &optional allow-secret) | |
| 2c6c404a | 1091 | "Delete selected KEYS." |
| c154c0be MO |
1092 | (interactive |
| 1093 | (let ((keys (epa--marked-keys))) | |
| 1094 | (unless keys | |
| 1095 | (error "No keys selected")) | |
| 1096 | (list keys | |
| 1097 | (eq (nth 1 epa-list-keys-arguments) t)))) | |
| 1098 | (let ((context (epg-make-context epa-protocol))) | |
| 1099 | (message "Deleting...") | |
| 1100 | (epg-delete-keys context keys allow-secret) | |
| 1101 | (message "Deleting...done") | |
| dc9b613e | 1102 | (apply #'epa--list-keys epa-list-keys-arguments))) |
| c154c0be MO |
1103 | |
| 1104 | ;;;###autoload | |
| 1105 | (defun epa-import-keys (file) | |
| 2c6c404a | 1106 | "Import keys from FILE." |
| c154c0be MO |
1107 | (interactive "fFile: ") |
| 1108 | (setq file (expand-file-name file)) | |
| 1109 | (let ((context (epg-make-context epa-protocol))) | |
| 1110 | (message "Importing %s..." (file-name-nondirectory file)) | |
| 1111 | (condition-case nil | |
| 1112 | (progn | |
| 1113 | (epg-import-keys-from-file context file) | |
| 1114 | (message "Importing %s...done" (file-name-nondirectory file))) | |
| 1115 | (error | |
| 1116 | (message "Importing %s...failed" (file-name-nondirectory file)))) | |
| 1117 | (if (epg-context-result-for context 'import) | |
| 1118 | (epa-display-info (epg-import-result-to-string | |
| 1119 | (epg-context-result-for context 'import)))) | |
| 86cf7329 | 1120 | ;; FIXME: Why not use the (otherwise unused) epa--derived-mode-p? |
| c154c0be | 1121 | (if (eq major-mode 'epa-key-list-mode) |
| dc9b613e | 1122 | (apply #'epa--list-keys epa-list-keys-arguments)))) |
| c154c0be MO |
1123 | |
| 1124 | ;;;###autoload | |
| 1125 | (defun epa-import-keys-region (start end) | |
| 2c6c404a | 1126 | "Import keys from the region." |
| c154c0be MO |
1127 | (interactive "r") |
| 1128 | (let ((context (epg-make-context epa-protocol))) | |
| 1129 | (message "Importing...") | |
| 1130 | (condition-case nil | |
| 1131 | (progn | |
| 1132 | (epg-import-keys-from-string context (buffer-substring start end)) | |
| 1133 | (message "Importing...done")) | |
| 1134 | (error | |
| 1135 | (message "Importing...failed"))) | |
| 1136 | (if (epg-context-result-for context 'import) | |
| 1137 | (epa-display-info (epg-import-result-to-string | |
| 1138 | (epg-context-result-for context 'import)))))) | |
| 1139 | ||
| 1140 | ;;;###autoload | |
| 1141 | (defun epa-import-armor-in-region (start end) | |
| 1142 | "Import keys in the OpenPGP armor format in the current region | |
| 2c6c404a | 1143 | between START and END." |
| c154c0be MO |
1144 | (interactive "r") |
| 1145 | (save-excursion | |
| 1146 | (save-restriction | |
| 1147 | (narrow-to-region start end) | |
| 1148 | (goto-char start) | |
| 1149 | (let (armor-start armor-end) | |
| 1150 | (while (re-search-forward | |
| 1151 | "-----BEGIN \\(PGP \\(PUBLIC\\|PRIVATE\\) KEY BLOCK\\)-----$" | |
| 1152 | nil t) | |
| 1153 | (setq armor-start (match-beginning 0) | |
| 1154 | armor-end (re-search-forward | |
| 1155 | (concat "^-----END " (match-string 1) "-----$") | |
| 1156 | nil t)) | |
| 1157 | (unless armor-end | |
| 1158 | (error "No armor tail")) | |
| 1159 | (epa-import-keys-region armor-start armor-end)))))) | |
| 1160 | ||
| 1161 | ;;;###autoload | |
| 1162 | (defun epa-export-keys (keys file) | |
| 2c6c404a | 1163 | "Export selected KEYS to FILE." |
| c154c0be MO |
1164 | (interactive |
| 1165 | (let ((keys (epa--marked-keys)) | |
| 1166 | default-name) | |
| 1167 | (unless keys | |
| 1168 | (error "No keys selected")) | |
| 1169 | (setq default-name | |
| 1170 | (expand-file-name | |
| 1171 | (concat (epg-sub-key-id (car (epg-key-sub-key-list (car keys)))) | |
| 1172 | (if epa-armor ".asc" ".gpg")) | |
| 1173 | default-directory)) | |
| 1174 | (list keys | |
| 1175 | (expand-file-name | |
| 1176 | (read-file-name | |
| 1177 | (concat "To file (default " | |
| 1178 | (file-name-nondirectory default-name) | |
| 1179 | ") ") | |
| 1180 | (file-name-directory default-name) | |
| 1181 | default-name))))) | |
| 1182 | (let ((context (epg-make-context epa-protocol))) | |
| 1183 | (epg-context-set-armor context epa-armor) | |
| 1184 | (message "Exporting to %s..." (file-name-nondirectory file)) | |
| 1185 | (epg-export-keys-to-file context keys file) | |
| 1186 | (message "Exporting to %s...done" (file-name-nondirectory file)))) | |
| 1187 | ||
| 1188 | ;;;###autoload | |
| 1189 | (defun epa-insert-keys (keys) | |
| 2c6c404a | 1190 | "Insert selected KEYS after the point." |
| c154c0be MO |
1191 | (interactive |
| 1192 | (list (epa-select-keys (epg-make-context epa-protocol) | |
| 2d562c0f DU |
1193 | "Select keys to export. |
| 1194 | If no one is selected, default public key is exported. "))) | |
| c154c0be MO |
1195 | (let ((context (epg-make-context epa-protocol))) |
| 1196 | ;;(epg-context-set-armor context epa-armor) | |
| 1197 | (epg-context-set-armor context t) | |
| 1198 | (insert (epg-export-keys-to-string context keys)))) | |
| 1199 | ||
| 1200 | ;; (defun epa-sign-keys (keys &optional local) | |
| 1201 | ;; "Sign selected KEYS. | |
| 1202 | ;; If a prefix-arg is specified, the signature is marked as non exportable. | |
| 1203 | ||
| 1204 | ;; Don't use this command in Lisp programs!" | |
| 1205 | ;; (interactive | |
| 1206 | ;; (let ((keys (epa--marked-keys))) | |
| 1207 | ;; (unless keys | |
| 1208 | ;; (error "No keys selected")) | |
| 1209 | ;; (list keys current-prefix-arg))) | |
| 1210 | ;; (let ((context (epg-make-context epa-protocol))) | |
| 1211 | ;; (epg-context-set-passphrase-callback context | |
| 1212 | ;; #'epa-passphrase-callback-function) | |
| 1213 | ;; (epg-context-set-progress-callback context | |
| 1214 | ;; (cons | |
| 1215 | ;; #'epa-progress-callback-function | |
| 1216 | ;; "Signing keys...")) | |
| 1217 | ;; (message "Signing keys...") | |
| 1218 | ;; (epg-sign-keys context keys local) | |
| 1219 | ;; (message "Signing keys...done"))) | |
| 1220 | ;; (make-obsolete 'epa-sign-keys "Do not use.") | |
| 1221 | ||
| 1222 | (provide 'epa) | |
| 1223 | ||
| 1224 | ;;; epa.el ends here |