HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 74f50695 | 1 | ;;; epa.el --- the EasyPG Assistant -*- lexical-binding: t -*- |
| e9bffc61 | 2 | |
| acaf905b | 3 | ;; Copyright (C) 2006-2012 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) | |
| ce3cefcc CY |
217 | (define-key keymap " " 'scroll-up-command) |
| 218 | (define-key keymap [delete] 'scroll-down-command) | |
| c154c0be | 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 | 241 | (define-key menu-map [epa-key-list-delete-keys] |
| 7cc6e154 | 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 |