HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| c154c0be | 1 | ;;; epa.el --- the EasyPG Assistant |
| ae940284 | 2 | ;; Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
| c154c0be MO |
3 | |
| 4 | ;; Author: Daiki Ueno <ueno@unixuser.org> | |
| 5 | ;; Keywords: PGP, GnuPG | |
| 6 | ||
| 7 | ;; This file is part of GNU Emacs. | |
| 8 | ||
| eb3fa2cf | 9 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| c154c0be | 10 | ;; it under the terms of the GNU General Public License as published by |
| eb3fa2cf GM |
11 | ;; the Free Software Foundation, either version 3 of the License, or |
| 12 | ;; (at your option) any later version. | |
| c154c0be MO |
13 | |
| 14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | ;; GNU General Public License for more details. | |
| 18 | ||
| 19 | ;; You should have received a copy of the GNU General Public License | |
| eb3fa2cf | 20 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| c154c0be MO |
21 | |
| 22 | ;;; Code: | |
| 23 | ||
| 24 | (require 'epg) | |
| 25 | (require 'font-lock) | |
| 26 | (require 'widget) | |
| 27 | (eval-when-compile (require 'wid-edit)) | |
| 28 | (require 'derived) | |
| 29 | ||
| 30 | (defgroup epa nil | |
| 31 | "The EasyPG Assistant" | |
| 0bd4f317 | 32 | :version "23.1" |
| c154c0be MO |
33 | :group 'epg) |
| 34 | ||
| 35 | (defcustom epa-popup-info-window t | |
| 36 | "If non-nil, status information from epa commands is displayed on | |
| 37 | the separate window." | |
| 38 | :type 'boolean | |
| 39 | :group 'epa) | |
| 40 | ||
| 41 | (defcustom epa-info-window-height 5 | |
| 42 | "Number of lines used to display status information." | |
| 43 | :type 'integer | |
| 44 | :group 'epa) | |
| 45 | ||
| 46 | (defgroup epa-faces nil | |
| 47 | "Faces for epa-mode." | |
| 0bd4f317 | 48 | :version "23.1" |
| c154c0be MO |
49 | :group 'epa) |
| 50 | ||
| 51 | (defface epa-validity-high | |
| 52 | `((((class color) (background dark)) | |
| 53 | (:foreground "PaleTurquoise" | |
| 54 | ,@(if (assq ':weight custom-face-attributes) | |
| 55 | '(:weight bold) | |
| 56 | '(:bold t)))) | |
| 57 | (t | |
| 58 | (,@(if (assq ':weight custom-face-attributes) | |
| 59 | '(:weight bold) | |
| 60 | '(:bold t))))) | |
| 61 | "Face used for displaying the high validity." | |
| 62 | :group 'epa-faces) | |
| 63 | ||
| 64 | (defface epa-validity-medium | |
| 65 | `((((class color) (background dark)) | |
| 66 | (:foreground "PaleTurquoise" | |
| 67 | ,@(if (assq ':slant custom-face-attributes) | |
| 68 | '(:slant italic) | |
| 69 | '(:italic t)))) | |
| 70 | (t | |
| 71 | (,@(if (assq ':slant custom-face-attributes) | |
| 72 | '(:slant italic) | |
| 73 | '(:italic t))))) | |
| 74 | "Face used for displaying the medium validity." | |
| 75 | :group 'epa-faces) | |
| 76 | ||
| 77 | (defface epa-validity-low | |
| 78 | `((t | |
| 79 | (,@(if (assq ':slant custom-face-attributes) | |
| 80 | '(:slant italic) | |
| 81 | '(:italic t))))) | |
| 82 | "Face used for displaying the low validity." | |
| 83 | :group 'epa-faces) | |
| 84 | ||
| 85 | (defface epa-validity-disabled | |
| 86 | `((t | |
| 87 | (,@(if (assq ':slant custom-face-attributes) | |
| 88 | '(:slant italic) | |
| 89 | '(:italic t)) | |
| 90 | :inverse-video t))) | |
| 91 | "Face used for displaying the disabled validity." | |
| 92 | :group 'epa-faces) | |
| 93 | ||
| 94 | (defface epa-string | |
| 95 | '((((class color) (background dark)) | |
| 96 | (:foreground "lightyellow")) | |
| 97 | (((class color) (background light)) | |
| 98 | (:foreground "blue4"))) | |
| 99 | "Face used for displaying the string." | |
| 100 | :group 'epa-faces) | |
| 101 | ||
| 102 | (defface epa-mark | |
| 103 | `((((class color) (background dark)) | |
| 104 | (:foreground "orange" | |
| 105 | ,@(if (assq ':weight custom-face-attributes) | |
| 106 | '(:weight bold) | |
| 107 | '(:bold t)))) | |
| 108 | (((class color) (background light)) | |
| 109 | (:foreground "red" | |
| 110 | ,@(if (assq ':weight custom-face-attributes) | |
| 111 | '(:weight bold) | |
| 112 | '(:bold t)))) | |
| 113 | (t | |
| 114 | (,@(if (assq ':weight custom-face-attributes) | |
| 115 | '(:weight bold) | |
| 116 | '(:bold t))))) | |
| 117 | "Face used for displaying the high validity." | |
| 118 | :group 'epa-faces) | |
| 119 | ||
| 120 | (defface epa-field-name | |
| 121 | `((((class color) (background dark)) | |
| 122 | (:foreground "PaleTurquoise" | |
| 123 | ,@(if (assq ':weight custom-face-attributes) | |
| 124 | '(:weight bold) | |
| 125 | '(:bold t)))) | |
| 126 | (t | |
| 127 | (,@(if (assq ':weight custom-face-attributes) | |
| 128 | '(:weight bold) | |
| 129 | '(:bold t))))) | |
| 130 | "Face for the name of the attribute field." | |
| 131 | :group 'epa) | |
| 132 | ||
| 133 | (defface epa-field-body | |
| 134 | `((((class color) (background dark)) | |
| 135 | (:foreground "turquoise" | |
| 136 | ,@(if (assq ':slant custom-face-attributes) | |
| 137 | '(:slant italic) | |
| 138 | '(:italic t)))) | |
| 139 | (t | |
| 140 | (,@(if (assq ':slant custom-face-attributes) | |
| 141 | '(:slant italic) | |
| 142 | '(:italic t))))) | |
| 143 | "Face for the body of the attribute field." | |
| 144 | :group 'epa) | |
| 145 | ||
| 146 | (defcustom epa-validity-face-alist | |
| 147 | '((unknown . epa-validity-disabled) | |
| 148 | (invalid . epa-validity-disabled) | |
| 149 | (disabled . epa-validity-disabled) | |
| 150 | (revoked . epa-validity-disabled) | |
| 151 | (expired . epa-validity-disabled) | |
| 152 | (none . epa-validity-low) | |
| 153 | (undefined . epa-validity-low) | |
| 154 | (never . epa-validity-low) | |
| 155 | (marginal . epa-validity-medium) | |
| 156 | (full . epa-validity-high) | |
| 157 | (ultimate . epa-validity-high)) | |
| 158 | "An alist mapping validity values to faces." | |
| 159 | :type '(repeat (cons symbol face)) | |
| 160 | :group 'epa) | |
| 161 | ||
| 162 | (defvar epa-font-lock-keywords | |
| 163 | '(("^\\*" | |
| 164 | (0 'epa-mark)) | |
| 165 | ("^\t\\([^\t:]+:\\)[ \t]*\\(.*\\)$" | |
| 166 | (1 'epa-field-name) | |
| 167 | (2 'epa-field-body))) | |
| 168 | "Default expressions to addon in epa-mode.") | |
| 169 | ||
| 170 | (defconst epa-pubkey-algorithm-letter-alist | |
| 171 | '((1 . ?R) | |
| 172 | (2 . ?r) | |
| 173 | (3 . ?s) | |
| 174 | (16 . ?g) | |
| 175 | (17 . ?D) | |
| 176 | (20 . ?G))) | |
| 177 | ||
| 178 | (defvar epa-protocol 'OpenPGP | |
| 179 | "*The default protocol. | |
| 180 | The value can be either OpenPGP or CMS. | |
| 181 | ||
| 182 | You should bind this variable with `let', but do not set it globally.") | |
| 183 | ||
| 184 | (defvar epa-armor nil | |
| 185 | "*If non-nil, epa commands create ASCII armored output. | |
| 186 | ||
| 187 | You should bind this variable with `let', but do not set it globally.") | |
| 188 | ||
| 189 | (defvar epa-textmode nil | |
| 190 | "*If non-nil, epa commands treat input files as text. | |
| 191 | ||
| 192 | You should bind this variable with `let', but do not set it globally.") | |
| 193 | ||
| 194 | (defvar epa-keys-buffer nil) | |
| 195 | (defvar epa-key-buffer-alist nil) | |
| 196 | (defvar epa-key nil) | |
| 197 | (defvar epa-list-keys-arguments nil) | |
| 198 | (defvar epa-info-buffer nil) | |
| 199 | (defvar epa-last-coding-system-specified nil) | |
| 200 | ||
| 201 | (defvar epa-key-list-mode-map | |
| dc9b613e GM |
202 | (let ((keymap (make-sparse-keymap)) |
| 203 | (menu-map (make-sparse-keymap))) | |
| c154c0be MO |
204 | (define-key keymap "m" 'epa-mark-key) |
| 205 | (define-key keymap "u" 'epa-unmark-key) | |
| 206 | (define-key keymap "d" 'epa-decrypt-file) | |
| 207 | (define-key keymap "v" 'epa-verify-file) | |
| 208 | (define-key keymap "s" 'epa-sign-file) | |
| 209 | (define-key keymap "e" 'epa-encrypt-file) | |
| 210 | (define-key keymap "r" 'epa-delete-keys) | |
| 211 | (define-key keymap "i" 'epa-import-keys) | |
| 212 | (define-key keymap "o" 'epa-export-keys) | |
| 213 | (define-key keymap "g" 'revert-buffer) | |
| 214 | (define-key keymap "n" 'next-line) | |
| 215 | (define-key keymap "p" 'previous-line) | |
| 216 | (define-key keymap " " 'scroll-up) | |
| 217 | (define-key keymap [delete] 'scroll-down) | |
| 218 | (define-key keymap "q" 'epa-exit-buffer) | |
| dc9b613e | 219 | (define-key keymap [menu-bar epa-key-list-mode] (cons "Keys" menu-map)) |
| 703b9611 DN |
220 | (define-key menu-map [epa-key-list-unmark-key] |
| 221 | '(menu-item "Unmark Key" epa-unmark-key | |
| 222 | :help "Unmark a key")) | |
| 223 | (define-key menu-map [epa-key-list-mark-key] | |
| 224 | '(menu-item "Mark Key" epa-mark-key | |
| 225 | :help "Mark a key")) | |
| 226 | (define-key menu-map [separator-epa-file] '(menu-item "--")) | |
| 227 | (define-key menu-map [epa-verify-file] | |
| 228 | '(menu-item "Verify File..." epa-verify-file | |
| 229 | :help "Verify FILE")) | |
| 230 | (define-key menu-map [epa-sign-file] | |
| 231 | '(menu-item "Sign File..." epa-sign-file | |
| 232 | :help "Sign FILE by SIGNERS keys selected")) | |
| 233 | (define-key menu-map [epa-decrypt-file] | |
| 234 | '(menu-item "Decrypt File..." epa-decrypt-file | |
| 235 | :help "Decrypt FILE")) | |
| 236 | (define-key menu-map [epa-encrypt-file] | |
| 237 | '(menu-item "Encrypt File.." epa-encrypt-file | |
| 238 | :help "Encrypt FILE for RECIPIENTS")) | |
| 239 | (define-key menu-map [separator-epa-key-list] '(menu-item "--")) | |
| dc9b613e GM |
240 | (define-key menu-map [epa-key-list-delete-keys] |
| 241 | '(menu-item "Delete keys" epa-delete-keys | |
| 703b9611 | 242 | :help "Delete Marked Keys")) |
| dc9b613e | 243 | (define-key menu-map [epa-key-list-import-keys] |
| 703b9611 | 244 | '(menu-item "Import Keys" epa-import-keys |
| dc9b613e GM |
245 | :help "Import keys from a file")) |
| 246 | (define-key menu-map [epa-key-list-export-keys] | |
| 703b9611 | 247 | '(menu-item "Export Keys" epa-export-keys |
| dc9b613e | 248 | :help "Export marked keys to a file")) |
| c154c0be MO |
249 | keymap)) |
| 250 | ||
| 251 | (defvar epa-key-mode-map | |
| 252 | (let ((keymap (make-sparse-keymap))) | |
| 253 | (define-key keymap "q" 'epa-exit-buffer) | |
| 254 | keymap)) | |
| 255 | ||
| 256 | (defvar epa-info-mode-map | |
| 257 | (let ((keymap (make-sparse-keymap))) | |
| 258 | (define-key keymap "q" 'delete-window) | |
| 259 | keymap)) | |
| 260 | ||
| 261 | (defvar epa-exit-buffer-function #'bury-buffer) | |
| 262 | ||
| 263 | (define-widget 'epa-key 'push-button | |
| 264 | "Button for representing a epg-key object." | |
| 265 | :format "%[%v%]" | |
| 266 | :button-face-get 'epa--key-widget-button-face-get | |
| 267 | :value-create 'epa--key-widget-value-create | |
| 268 | :action 'epa--key-widget-action | |
| 269 | :help-echo 'epa--key-widget-help-echo) | |
| 270 | ||
| 271 | (defun epa--key-widget-action (widget &optional event) | |
| a648af17 DU |
272 | (save-selected-window |
| 273 | (epa--show-key (widget-get widget :value)))) | |
| c154c0be MO |
274 | |
| 275 | (defun epa--key-widget-value-create (widget) | |
| 276 | (let* ((key (widget-get widget :value)) | |
| 277 | (primary-sub-key (car (epg-key-sub-key-list key))) | |
| 278 | (primary-user-id (car (epg-key-user-id-list key)))) | |
| 279 | (insert (format "%c " | |
| 280 | (if (epg-sub-key-validity primary-sub-key) | |
| 281 | (car (rassq (epg-sub-key-validity primary-sub-key) | |
| 282 | epg-key-validity-alist)) | |
| 283 | ? )) | |
| 284 | (epg-sub-key-id primary-sub-key) | |
| 285 | " " | |
| 286 | (if primary-user-id | |
| 287 | (if (stringp (epg-user-id-string primary-user-id)) | |
| 288 | (epg-user-id-string primary-user-id) | |
| 289 | (epg-decode-dn (epg-user-id-string primary-user-id))) | |
| 290 | "")))) | |
| 291 | ||
| 292 | (defun epa--key-widget-button-face-get (widget) | |
| 293 | (let ((validity (epg-sub-key-validity (car (epg-key-sub-key-list | |
| 294 | (widget-get widget :value)))))) | |
| 295 | (if validity | |
| 296 | (cdr (assq validity epa-validity-face-alist)) | |
| 297 | 'default))) | |
| 298 | ||
| 299 | (defun epa--key-widget-help-echo (widget) | |
| 300 | (format "Show %s" | |
| 301 | (epg-sub-key-id (car (epg-key-sub-key-list | |
| 302 | (widget-get widget :value)))))) | |
| 303 | ||
| 304 | (eval-and-compile | |
| 305 | (if (fboundp 'encode-coding-string) | |
| 306 | (defalias 'epa--encode-coding-string 'encode-coding-string) | |
| 307 | (defalias 'epa--encode-coding-string 'identity))) | |
| 308 | ||
| 309 | (eval-and-compile | |
| 310 | (if (fboundp 'decode-coding-string) | |
| 311 | (defalias 'epa--decode-coding-string 'decode-coding-string) | |
| 312 | (defalias 'epa--decode-coding-string 'identity))) | |
| 313 | ||
| 314 | (defun epa-key-list-mode () | |
| 315 | "Major mode for `epa-list-keys'." | |
| 316 | (kill-all-local-variables) | |
| 317 | (buffer-disable-undo) | |
| 318 | (setq major-mode 'epa-key-list-mode | |
| 319 | mode-name "Keys" | |
| 320 | truncate-lines t | |
| 321 | buffer-read-only t) | |
| 322 | (use-local-map epa-key-list-mode-map) | |
| 323 | (make-local-variable 'font-lock-defaults) | |
| 324 | (setq font-lock-defaults '(epa-font-lock-keywords t)) | |
| 325 | ;; In XEmacs, auto-initialization of font-lock is not effective | |
| 326 | ;; if buffer-file-name is not set. | |
| 327 | (font-lock-set-defaults) | |
| 328 | (make-local-variable 'epa-exit-buffer-function) | |
| 329 | (make-local-variable 'revert-buffer-function) | |
| 330 | (setq revert-buffer-function 'epa--key-list-revert-buffer) | |
| 64cc2f2c | 331 | (run-mode-hooks 'epa-key-list-mode-hook)) |
| c154c0be MO |
332 | |
| 333 | (defun epa-key-mode () | |
| 334 | "Major mode for a key description." | |
| 335 | (kill-all-local-variables) | |
| 336 | (buffer-disable-undo) | |
| 337 | (setq major-mode 'epa-key-mode | |
| 338 | mode-name "Key" | |
| 339 | truncate-lines t | |
| 340 | buffer-read-only t) | |
| 341 | (use-local-map epa-key-mode-map) | |
| 342 | (make-local-variable 'font-lock-defaults) | |
| 343 | (setq font-lock-defaults '(epa-font-lock-keywords t)) | |
| 344 | ;; In XEmacs, auto-initialization of font-lock is not effective | |
| 345 | ;; if buffer-file-name is not set. | |
| 346 | (font-lock-set-defaults) | |
| 347 | (make-local-variable 'epa-exit-buffer-function) | |
| 64cc2f2c | 348 | (run-mode-hooks 'epa-key-mode-hook)) |
| c154c0be MO |
349 | |
| 350 | (defun epa-info-mode () | |
| 351 | "Major mode for `epa-info-buffer'." | |
| 352 | (kill-all-local-variables) | |
| 353 | (buffer-disable-undo) | |
| 354 | (setq major-mode 'epa-info-mode | |
| 355 | mode-name "Info" | |
| 356 | truncate-lines t | |
| 357 | buffer-read-only t) | |
| 358 | (use-local-map epa-info-mode-map) | |
| 64cc2f2c | 359 | (run-mode-hooks 'epa-info-mode-hook)) |
| c154c0be MO |
360 | |
| 361 | (defun epa-mark-key (&optional arg) | |
| 362 | "Mark a key on the current line. | |
| 363 | If ARG is non-nil, unmark the key." | |
| 364 | (interactive "P") | |
| 365 | (let ((inhibit-read-only t) | |
| 366 | buffer-read-only | |
| 367 | properties) | |
| 368 | (beginning-of-line) | |
| 369 | (unless (get-text-property (point) 'epa-key) | |
| 370 | (error "No key on this line")) | |
| 371 | (setq properties (text-properties-at (point))) | |
| 372 | (delete-char 1) | |
| 373 | (insert (if arg " " "*")) | |
| 374 | (set-text-properties (1- (point)) (point) properties) | |
| 375 | (forward-line))) | |
| 376 | ||
| 377 | (defun epa-unmark-key (&optional arg) | |
| 378 | "Unmark a key on the current line. | |
| 379 | If ARG is non-nil, mark the key." | |
| 380 | (interactive "P") | |
| 381 | (epa-mark-key (not arg))) | |
| 382 | ||
| 383 | (defun epa-exit-buffer () | |
| 384 | "Exit the current buffer. | |
| 385 | `epa-exit-buffer-function' is called if it is set." | |
| 386 | (interactive) | |
| 387 | (funcall epa-exit-buffer-function)) | |
| 388 | ||
| 389 | (defun epa--insert-keys (keys) | |
| 390 | (save-excursion | |
| 391 | (save-restriction | |
| 392 | (narrow-to-region (point) (point)) | |
| 393 | (let (point) | |
| 394 | (while keys | |
| 395 | (setq point (point)) | |
| 396 | (insert " ") | |
| 397 | (add-text-properties point (point) | |
| 398 | (list 'epa-key (car keys) | |
| 399 | 'front-sticky nil | |
| 400 | 'rear-nonsticky t | |
| 401 | 'start-open t | |
| 402 | 'end-open t)) | |
| 403 | (widget-create 'epa-key :value (car keys)) | |
| 404 | (insert "\n") | |
| f1914c40 | 405 | (setq keys (cdr keys)))) |
| c154c0be MO |
406 | (add-text-properties (point-min) (point-max) |
| 407 | (list 'epa-list-keys t | |
| 408 | 'front-sticky nil | |
| 409 | 'rear-nonsticky t | |
| 410 | 'start-open t | |
| 411 | 'end-open t))))) | |
| 412 | ||
| 413 | (defun epa--list-keys (name secret) | |
| 414 | (unless (and epa-keys-buffer | |
| 415 | (buffer-live-p epa-keys-buffer)) | |
| 416 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
| 417 | (set-buffer epa-keys-buffer) | |
| 418 | (epa-key-list-mode) | |
| 419 | (let ((inhibit-read-only t) | |
| 420 | buffer-read-only | |
| 421 | (point (point-min)) | |
| 422 | (context (epg-make-context epa-protocol))) | |
| 423 | (unless (get-text-property point 'epa-list-keys) | |
| 424 | (setq point (next-single-property-change point 'epa-list-keys))) | |
| 425 | (when point | |
| 426 | (delete-region point | |
| 427 | (or (next-single-property-change point 'epa-list-keys) | |
| 428 | (point-max))) | |
| 429 | (goto-char point)) | |
| 430 | (epa--insert-keys (epg-list-keys context name secret)) | |
| 431 | (widget-setup) | |
| 432 | (set-keymap-parent (current-local-map) widget-keymap)) | |
| 433 | (make-local-variable 'epa-list-keys-arguments) | |
| 434 | (setq epa-list-keys-arguments (list name secret)) | |
| 435 | (goto-char (point-min)) | |
| 436 | (pop-to-buffer (current-buffer))) | |
| 437 | ||
| 438 | ;;;###autoload | |
| 439 | (defun epa-list-keys (&optional name) | |
| 440 | "List all keys matched with NAME from the public keyring." | |
| 441 | (interactive | |
| 442 | (if current-prefix-arg | |
| 443 | (let ((name (read-string "Pattern: " | |
| 444 | (if epa-list-keys-arguments | |
| 445 | (car epa-list-keys-arguments))))) | |
| 446 | (list (if (equal name "") nil name))) | |
| 447 | (list nil))) | |
| 448 | (epa--list-keys name nil)) | |
| 449 | ||
| 450 | ;;;###autoload | |
| 451 | (defun epa-list-secret-keys (&optional name) | |
| 452 | "List all keys matched with NAME from the private keyring." | |
| 453 | (interactive | |
| 454 | (if current-prefix-arg | |
| 455 | (let ((name (read-string "Pattern: " | |
| 456 | (if epa-list-keys-arguments | |
| 457 | (car epa-list-keys-arguments))))) | |
| 458 | (list (if (equal name "") nil name))) | |
| 459 | (list nil))) | |
| 460 | (epa--list-keys name t)) | |
| 461 | ||
| 462 | (defun epa--key-list-revert-buffer (&optional ignore-auto noconfirm) | |
| 463 | (apply #'epa--list-keys epa-list-keys-arguments)) | |
| 464 | ||
| 465 | (defun epa--marked-keys () | |
| 466 | (or (save-excursion | |
| 467 | (set-buffer epa-keys-buffer) | |
| 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))) | |
| 475 | (save-excursion | |
| 476 | (beginning-of-line) | |
| 477 | (let ((key (get-text-property (point) 'epa-key))) | |
| 478 | (if key | |
| 479 | (list key)))))) | |
| 480 | ||
| 481 | (defun epa--select-keys (prompt keys) | |
| 482 | (save-excursion | |
| 483 | (unless (and epa-keys-buffer | |
| 484 | (buffer-live-p epa-keys-buffer)) | |
| 485 | (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) | |
| 486 | (set-buffer epa-keys-buffer) | |
| 487 | (epa-key-list-mode) | |
| 488 | (let ((inhibit-read-only t) | |
| 489 | buffer-read-only) | |
| 490 | (erase-buffer) | |
| 491 | (insert prompt "\n" | |
| 492 | (substitute-command-keys "\ | |
| 493 | - `\\[epa-mark-key]' to mark a key on the line | |
| 494 | - `\\[epa-unmark-key]' to unmark a key on the line\n")) | |
| 495 | (widget-create 'link | |
| 496 | :notify (lambda (&rest ignore) (abort-recursive-edit)) | |
| 497 | :help-echo | |
| 498 | (substitute-command-keys | |
| 499 | "Click here or \\[abort-recursive-edit] to cancel") | |
| 500 | "Cancel") | |
| 501 | (widget-create 'link | |
| 502 | :notify (lambda (&rest ignore) (exit-recursive-edit)) | |
| 503 | :help-echo | |
| 504 | (substitute-command-keys | |
| 505 | "Click here or \\[exit-recursive-edit] to finish") | |
| 506 | "OK") | |
| 507 | (insert "\n\n") | |
| 508 | (epa--insert-keys keys) | |
| 509 | (widget-setup) | |
| 510 | (set-keymap-parent (current-local-map) widget-keymap) | |
| 511 | (setq epa-exit-buffer-function #'abort-recursive-edit) | |
| 512 | (goto-char (point-min)) | |
| 513 | (pop-to-buffer (current-buffer))) | |
| 514 | (unwind-protect | |
| 515 | (progn | |
| 516 | (recursive-edit) | |
| 517 | (epa--marked-keys)) | |
| 518 | (if (get-buffer-window epa-keys-buffer) | |
| 519 | (delete-window (get-buffer-window epa-keys-buffer))) | |
| 520 | (kill-buffer epa-keys-buffer)))) | |
| 521 | ||
| 522 | ;;;###autoload | |
| 523 | (defun epa-select-keys (context prompt &optional names secret) | |
| 524 | "Display a user's keyring and ask him to select keys. | |
| 525 | CONTEXT is an epg-context. | |
| 526 | PROMPT is a string to prompt with. | |
| 527 | NAMES is a list of strings to be matched with keys. If it is nil, all | |
| 528 | the keys are listed. | |
| 529 | If SECRET is non-nil, list secret keys instead of public keys." | |
| 530 | (let ((keys (epg-list-keys context names secret))) | |
| 2c6c404a | 531 | (epa--select-keys prompt keys))) |
| c154c0be MO |
532 | |
| 533 | (defun epa--show-key (key) | |
| 534 | (let* ((primary-sub-key (car (epg-key-sub-key-list key))) | |
| 535 | (entry (assoc (epg-sub-key-id primary-sub-key) | |
| 536 | epa-key-buffer-alist)) | |
| 537 | (inhibit-read-only t) | |
| 538 | buffer-read-only | |
| 539 | pointer) | |
| 540 | (unless entry | |
| 541 | (setq entry (cons (epg-sub-key-id primary-sub-key) nil) | |
| 542 | epa-key-buffer-alist (cons entry epa-key-buffer-alist))) | |
| 543 | (unless (and (cdr entry) | |
| 544 | (buffer-live-p (cdr entry))) | |
| 545 | (setcdr entry (generate-new-buffer | |
| 546 | (format "*Key*%s" (epg-sub-key-id primary-sub-key))))) | |
| 547 | (set-buffer (cdr entry)) | |
| 548 | (epa-key-mode) | |
| 549 | (make-local-variable 'epa-key) | |
| 550 | (setq epa-key key) | |
| 551 | (erase-buffer) | |
| 552 | (setq pointer (epg-key-user-id-list key)) | |
| 553 | (while pointer | |
| 554 | (if (car pointer) | |
| 555 | (insert " " | |
| 556 | (if (epg-user-id-validity (car pointer)) | |
| 557 | (char-to-string | |
| 558 | (car (rassq (epg-user-id-validity (car pointer)) | |
| 559 | epg-key-validity-alist))) | |
| 560 | " ") | |
| 561 | " " | |
| 562 | (if (stringp (epg-user-id-string (car pointer))) | |
| 563 | (epg-user-id-string (car pointer)) | |
| 564 | (epg-decode-dn (epg-user-id-string (car pointer)))) | |
| 565 | "\n")) | |
| 566 | (setq pointer (cdr pointer))) | |
| 567 | (setq pointer (epg-key-sub-key-list key)) | |
| 568 | (while pointer | |
| 569 | (insert " " | |
| 570 | (if (epg-sub-key-validity (car pointer)) | |
| 571 | (char-to-string | |
| 572 | (car (rassq (epg-sub-key-validity (car pointer)) | |
| 573 | epg-key-validity-alist))) | |
| 574 | " ") | |
| 575 | " " | |
| 576 | (epg-sub-key-id (car pointer)) | |
| 577 | " " | |
| 578 | (format "%dbits" | |
| 579 | (epg-sub-key-length (car pointer))) | |
| 580 | " " | |
| 581 | (cdr (assq (epg-sub-key-algorithm (car pointer)) | |
| 582 | epg-pubkey-algorithm-alist)) | |
| 583 | "\n\tCreated: " | |
| 584 | (condition-case nil | |
| 585 | (format-time-string "%Y-%m-%d" | |
| 586 | (epg-sub-key-creation-time (car pointer))) | |
| 587 | (error "????-??-??")) | |
| 588 | (if (epg-sub-key-expiration-time (car pointer)) | |
| 97c07afc DU |
589 | (format (if (time-less-p (current-time) |
| 590 | (epg-sub-key-expiration-time | |
| 591 | (car pointer))) | |
| 592 | "\n\tExpires: %s" | |
| 593 | "\n\tExpired: %s") | |
| c154c0be MO |
594 | (condition-case nil |
| 595 | (format-time-string "%Y-%m-%d" | |
| 596 | (epg-sub-key-expiration-time | |
| 597 | (car pointer))) | |
| 598 | (error "????-??-??"))) | |
| 599 | "") | |
| 600 | "\n\tCapabilities: " | |
| 601 | (mapconcat #'symbol-name | |
| 602 | (epg-sub-key-capability (car pointer)) | |
| 603 | " ") | |
| 604 | "\n\tFingerprint: " | |
| 605 | (epg-sub-key-fingerprint (car pointer)) | |
| 606 | "\n") | |
| 607 | (setq pointer (cdr pointer))) | |
| 608 | (goto-char (point-min)) | |
| 609 | (pop-to-buffer (current-buffer)))) | |
| 610 | ||
| 611 | (defun epa-display-info (info) | |
| 612 | (if epa-popup-info-window | |
| 613 | (save-selected-window | |
| 614 | (unless (and epa-info-buffer (buffer-live-p epa-info-buffer)) | |
| 615 | (setq epa-info-buffer (generate-new-buffer "*Info*"))) | |
| 616 | (if (get-buffer-window epa-info-buffer) | |
| 617 | (delete-window (get-buffer-window epa-info-buffer))) | |
| 618 | (save-excursion | |
| 619 | (set-buffer epa-info-buffer) | |
| 620 | (let ((inhibit-read-only t) | |
| 621 | buffer-read-only) | |
| 622 | (erase-buffer) | |
| 623 | (insert info)) | |
| 624 | (epa-info-mode) | |
| 625 | (goto-char (point-min))) | |
| 626 | (if (> (window-height) | |
| 627 | epa-info-window-height) | |
| 628 | (set-window-buffer (split-window nil (- (window-height) | |
| 629 | epa-info-window-height)) | |
| 630 | epa-info-buffer) | |
| 631 | (pop-to-buffer epa-info-buffer) | |
| 632 | (if (> (window-height) epa-info-window-height) | |
| 633 | (shrink-window (- (window-height) epa-info-window-height))))) | |
| 634 | (message "%s" info))) | |
| 635 | ||
| 636 | (defun epa-display-verify-result (verify-result) | |
| 637 | (epa-display-info (epg-verify-result-to-string verify-result))) | |
| 638 | (make-obsolete 'epa-display-verify-result 'epa-display-info) | |
| 639 | ||
| 640 | (defun epa-passphrase-callback-function (context key-id handback) | |
| 641 | (if (eq key-id 'SYM) | |
| 642 | (read-passwd "Passphrase for symmetric encryption: " | |
| 643 | (eq (epg-context-operation context) 'encrypt)) | |
| 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 | ||
| 652 | (defun epa-progress-callback-function (context what char current total | |
| 653 | handback) | |
| 654 | (message "%s%d%% (%d/%d)" (or handback | |
| 655 | (concat what ": ")) | |
| 656 | (if (> total 0) (floor (* (/ current (float total)) 100)) 0) | |
| 657 | current total)) | |
| 658 | ||
| 659 | ;;;###autoload | |
| 660 | (defun epa-decrypt-file (file) | |
| 661 | "Decrypt FILE." | |
| 662 | (interactive "fFile: ") | |
| 663 | (setq file (expand-file-name file)) | |
| 664 | (let* ((default-name (file-name-sans-extension file)) | |
| 665 | (plain (expand-file-name | |
| 666 | (read-file-name | |
| 667 | (concat "To file (default " | |
| 668 | (file-name-nondirectory default-name) | |
| 669 | ") ") | |
| 670 | (file-name-directory default-name) | |
| 671 | default-name))) | |
| 672 | (context (epg-make-context epa-protocol))) | |
| 673 | (epg-context-set-passphrase-callback context | |
| 674 | #'epa-passphrase-callback-function) | |
| 675 | (epg-context-set-progress-callback context | |
| 676 | (cons | |
| 677 | #'epa-progress-callback-function | |
| 678 | (format "Decrypting %s..." | |
| 679 | (file-name-nondirectory file)))) | |
| 680 | (message "Decrypting %s..." (file-name-nondirectory file)) | |
| 681 | (epg-decrypt-file context file plain) | |
| 682 | (message "Decrypting %s...wrote %s" (file-name-nondirectory file) | |
| 683 | (file-name-nondirectory plain)) | |
| 684 | (if (epg-context-result-for context 'verify) | |
| 685 | (epa-display-info (epg-verify-result-to-string | |
| 686 | (epg-context-result-for context 'verify)))))) | |
| 687 | ||
| 688 | ;;;###autoload | |
| 689 | (defun epa-verify-file (file) | |
| 690 | "Verify FILE." | |
| 691 | (interactive "fFile: ") | |
| 692 | (setq file (expand-file-name file)) | |
| 693 | (let* ((context (epg-make-context epa-protocol)) | |
| 694 | (plain (if (equal (file-name-extension file) "sig") | |
| 695 | (file-name-sans-extension file)))) | |
| 696 | (epg-context-set-progress-callback context | |
| 697 | (cons | |
| 698 | #'epa-progress-callback-function | |
| 699 | (format "Verifying %s..." | |
| 700 | (file-name-nondirectory file)))) | |
| 701 | (message "Verifying %s..." (file-name-nondirectory file)) | |
| 702 | (epg-verify-file context file plain) | |
| 703 | (message "Verifying %s...done" (file-name-nondirectory file)) | |
| 704 | (if (epg-context-result-for context 'verify) | |
| 705 | (epa-display-info (epg-verify-result-to-string | |
| 706 | (epg-context-result-for context 'verify)))))) | |
| 707 | ||
| 708 | (defun epa--read-signature-type () | |
| 709 | (let (type c) | |
| 710 | (while (null type) | |
| 711 | (message "Signature type (n,c,d,?) ") | |
| 712 | (setq c (read-char)) | |
| 713 | (cond ((eq c ?c) | |
| 714 | (setq type 'clear)) | |
| 715 | ((eq c ?d) | |
| 716 | (setq type 'detached)) | |
| 717 | ((eq c ??) | |
| 718 | (with-output-to-temp-buffer "*Help*" | |
| 719 | (save-excursion | |
| 720 | (set-buffer standard-output) | |
| 721 | (insert "\ | |
| 722 | n - Create a normal signature | |
| 723 | c - Create a cleartext signature | |
| 724 | d - Create a detached signature | |
| 725 | ? - Show this help | |
| 726 | ")))) | |
| 727 | (t | |
| 728 | (setq type 'normal)))))) | |
| 729 | ||
| 730 | ;;;###autoload | |
| 731 | (defun epa-sign-file (file signers mode) | |
| 732 | "Sign FILE by SIGNERS keys selected." | |
| 733 | (interactive | |
| 734 | (let ((verbose current-prefix-arg)) | |
| 735 | (list (expand-file-name (read-file-name "File: ")) | |
| 736 | (if verbose | |
| 737 | (epa-select-keys (epg-make-context epa-protocol) | |
| 738 | "Select keys for signing. | |
| 739 | If no one is selected, default secret key is used. " | |
| 740 | nil t)) | |
| 741 | (if verbose | |
| 742 | (epa--read-signature-type) | |
| 743 | 'clear)))) | |
| 744 | (let ((signature (concat file | |
| 745 | (if (eq epa-protocol 'OpenPGP) | |
| 746 | (if (or epa-armor | |
| 747 | (not (memq mode | |
| 748 | '(nil t normal detached)))) | |
| 749 | ".asc" | |
| 750 | (if (memq mode '(t detached)) | |
| 751 | ".sig" | |
| 752 | ".gpg")) | |
| 753 | (if (memq mode '(t detached)) | |
| 754 | ".p7s" | |
| 755 | ".p7m")))) | |
| 756 | (context (epg-make-context epa-protocol))) | |
| 757 | (epg-context-set-armor context epa-armor) | |
| 758 | (epg-context-set-textmode context epa-textmode) | |
| 759 | (epg-context-set-signers context signers) | |
| 760 | (epg-context-set-passphrase-callback context | |
| 761 | #'epa-passphrase-callback-function) | |
| 762 | (epg-context-set-progress-callback context | |
| 763 | (cons | |
| 764 | #'epa-progress-callback-function | |
| 765 | (format "Signing %s..." | |
| 766 | (file-name-nondirectory file)))) | |
| 767 | (message "Signing %s..." (file-name-nondirectory file)) | |
| 768 | (epg-sign-file context file signature mode) | |
| 769 | (message "Signing %s...wrote %s" (file-name-nondirectory file) | |
| 770 | (file-name-nondirectory signature)))) | |
| 771 | ||
| 772 | ;;;###autoload | |
| 773 | (defun epa-encrypt-file (file recipients) | |
| 774 | "Encrypt FILE for RECIPIENTS." | |
| 775 | (interactive | |
| 776 | (list (expand-file-name (read-file-name "File: ")) | |
| 777 | (epa-select-keys (epg-make-context epa-protocol) | |
| 778 | "Select recipients for encryption. | |
| 779 | If no one is selected, symmetric encryption will be performed. "))) | |
| 780 | (let ((cipher (concat file (if (eq epa-protocol 'OpenPGP) | |
| 781 | (if epa-armor ".asc" ".gpg") | |
| 782 | ".p7m"))) | |
| 783 | (context (epg-make-context epa-protocol))) | |
| 784 | (epg-context-set-armor context epa-armor) | |
| 785 | (epg-context-set-textmode context epa-textmode) | |
| 786 | (epg-context-set-passphrase-callback context | |
| 787 | #'epa-passphrase-callback-function) | |
| 788 | (epg-context-set-progress-callback context | |
| 789 | (cons | |
| 790 | #'epa-progress-callback-function | |
| 791 | (format "Encrypting %s..." | |
| 792 | (file-name-nondirectory file)))) | |
| 793 | (message "Encrypting %s..." (file-name-nondirectory file)) | |
| 794 | (epg-encrypt-file context file recipients cipher) | |
| 795 | (message "Encrypting %s...wrote %s" (file-name-nondirectory file) | |
| 796 | (file-name-nondirectory cipher)))) | |
| 797 | ||
| 798 | ;;;###autoload | |
| 799 | (defun epa-decrypt-region (start end) | |
| 800 | "Decrypt the current region between START and END. | |
| 801 | ||
| 2c6c404a MO |
802 | Don't use this command in Lisp programs! |
| 803 | Since this function operates on regions, it does some tricks such | |
| 804 | as coding-system detection and unibyte/multibyte conversion. If | |
| 805 | you are sure how the data in the region should be treated, you | |
| 806 | should consider using the string based counterpart | |
| 807 | `epg-decrypt-string', or the file based counterpart | |
| 808 | `epg-decrypt-file' instead. | |
| 809 | ||
| 810 | For example: | |
| 811 | ||
| 812 | \(let ((context (epg-make-context 'OpenPGP))) | |
| 813 | (decode-coding-string | |
| 814 | (epg-decrypt-string context (buffer-substring start end)) | |
| 815 | 'utf-8))" | |
| c154c0be MO |
816 | (interactive "r") |
| 817 | (save-excursion | |
| 818 | (let ((context (epg-make-context epa-protocol)) | |
| 819 | plain) | |
| 820 | (epg-context-set-passphrase-callback context | |
| 821 | #'epa-passphrase-callback-function) | |
| 822 | (epg-context-set-progress-callback context | |
| 823 | (cons | |
| 824 | #'epa-progress-callback-function | |
| 825 | "Decrypting...")) | |
| 826 | (message "Decrypting...") | |
| 827 | (setq plain (epg-decrypt-string context (buffer-substring start end))) | |
| 828 | (message "Decrypting...done") | |
| 829 | (setq plain (epa--decode-coding-string | |
| 830 | plain | |
| 831 | (or coding-system-for-read | |
| 832 | (get-text-property start 'epa-coding-system-used)))) | |
| 833 | (if (y-or-n-p "Replace the original text? ") | |
| 834 | (let ((inhibit-read-only t) | |
| 835 | buffer-read-only) | |
| 836 | (delete-region start end) | |
| 837 | (goto-char start) | |
| 838 | (insert plain)) | |
| 839 | (with-output-to-temp-buffer "*Temp*" | |
| 840 | (set-buffer standard-output) | |
| 841 | (insert plain) | |
| 842 | (epa-info-mode))) | |
| 843 | (if (epg-context-result-for context 'verify) | |
| 844 | (epa-display-info (epg-verify-result-to-string | |
| 845 | (epg-context-result-for context 'verify))))))) | |
| 846 | ||
| 847 | (defun epa--find-coding-system-for-mime-charset (mime-charset) | |
| 848 | (if (featurep 'xemacs) | |
| 849 | (if (fboundp 'find-coding-system) | |
| 850 | (find-coding-system mime-charset)) | |
| 851 | (let ((pointer (coding-system-list))) | |
| 852 | (while (and pointer | |
| 853 | (eq (coding-system-get (car pointer) 'mime-charset) | |
| 854 | mime-charset)) | |
| 855 | (setq pointer (cdr pointer))) | |
| 856 | pointer))) | |
| 857 | ||
| 858 | ;;;###autoload | |
| 859 | (defun epa-decrypt-armor-in-region (start end) | |
| 860 | "Decrypt OpenPGP armors in the current region between START and END. | |
| 861 | ||
| 2c6c404a MO |
862 | Don't use this command in Lisp programs! |
| 863 | See the reason described in the `epa-decrypt-region' documentation." | |
| c154c0be MO |
864 | (interactive "r") |
| 865 | (save-excursion | |
| 866 | (save-restriction | |
| 867 | (narrow-to-region start end) | |
| 868 | (goto-char start) | |
| 869 | (let (armor-start armor-end) | |
| 870 | (while (re-search-forward "-----BEGIN PGP MESSAGE-----$" nil t) | |
| 871 | (setq armor-start (match-beginning 0) | |
| 872 | armor-end (re-search-forward "^-----END PGP MESSAGE-----$" | |
| 873 | nil t)) | |
| 874 | (unless armor-end | |
| 875 | (error "No armor tail")) | |
| 876 | (goto-char armor-start) | |
| 877 | (let ((coding-system-for-read | |
| 878 | (or coding-system-for-read | |
| 879 | (if (re-search-forward "^Charset: \\(.*\\)" armor-end t) | |
| 880 | (epa--find-coding-system-for-mime-charset | |
| 881 | (intern (downcase (match-string 1)))))))) | |
| 882 | (goto-char armor-end) | |
| 883 | (epa-decrypt-region armor-start armor-end))))))) | |
| 884 | ||
| 885 | ;;;###autoload | |
| 886 | (defun epa-verify-region (start end) | |
| 887 | "Verify the current region between START and END. | |
| 888 | ||
| 2c6c404a MO |
889 | Don't use this command in Lisp programs! |
| 890 | Since this function operates on regions, it does some tricks such | |
| 891 | as coding-system detection and unibyte/multibyte conversion. If | |
| 892 | you are sure how the data in the region should be treated, you | |
| 893 | should consider using the string based counterpart | |
| 894 | `epg-verify-string', or the file based counterpart | |
| 895 | `epg-verify-file' instead. | |
| 896 | ||
| 897 | For example: | |
| 898 | ||
| 899 | \(let ((context (epg-make-context 'OpenPGP))) | |
| 900 | (decode-coding-string | |
| 901 | (epg-verify-string context (buffer-substring start end)) | |
| 902 | 'utf-8))" | |
| c154c0be MO |
903 | (interactive "r") |
| 904 | (let ((context (epg-make-context epa-protocol)) | |
| 905 | plain) | |
| 906 | (epg-context-set-progress-callback context | |
| 907 | (cons | |
| 908 | #'epa-progress-callback-function | |
| 909 | "Verifying...")) | |
| 910 | (message "Verifying...") | |
| 911 | (setq plain (epg-verify-string | |
| 912 | context | |
| 913 | (epa--encode-coding-string | |
| 914 | (buffer-substring start end) | |
| 915 | (or coding-system-for-write | |
| 916 | (get-text-property start 'epa-coding-system-used))))) | |
| 917 | (message "Verifying...done") | |
| 918 | (setq plain (epa--decode-coding-string | |
| 919 | plain | |
| 920 | (or coding-system-for-read | |
| 921 | (get-text-property start 'epa-coding-system-used)))) | |
| 922 | (if (y-or-n-p "Replace the original text? ") | |
| 923 | (let ((inhibit-read-only t) | |
| 924 | buffer-read-only) | |
| 925 | (delete-region start end) | |
| 926 | (goto-char start) | |
| 927 | (insert plain)) | |
| 928 | (with-output-to-temp-buffer "*Temp*" | |
| 929 | (set-buffer standard-output) | |
| 930 | (insert plain) | |
| 931 | (epa-info-mode))) | |
| 932 | (if (epg-context-result-for context 'verify) | |
| 933 | (epa-display-info (epg-verify-result-to-string | |
| 934 | (epg-context-result-for context 'verify)))))) | |
| 935 | ||
| 936 | ;;;###autoload | |
| 937 | (defun epa-verify-cleartext-in-region (start end) | |
| 938 | "Verify OpenPGP cleartext signed messages in the current region | |
| 939 | between START and END. | |
| 940 | ||
| 2c6c404a MO |
941 | Don't use this command in Lisp programs! |
| 942 | See the reason described in the `epa-verify-region' documentation." | |
| c154c0be MO |
943 | (interactive "r") |
| 944 | (save-excursion | |
| 945 | (save-restriction | |
| 946 | (narrow-to-region start end) | |
| 947 | (goto-char start) | |
| 948 | (let (cleartext-start cleartext-end) | |
| 949 | (while (re-search-forward "-----BEGIN PGP SIGNED MESSAGE-----$" | |
| 950 | nil t) | |
| 951 | (setq cleartext-start (match-beginning 0)) | |
| 952 | (unless (re-search-forward "^-----BEGIN PGP SIGNATURE-----$" | |
| 953 | nil t) | |
| 954 | (error "Invalid cleartext signed message")) | |
| 955 | (setq cleartext-end (re-search-forward | |
| 956 | "^-----END PGP SIGNATURE-----$" | |
| 957 | nil t)) | |
| 958 | (unless cleartext-end | |
| 959 | (error "No cleartext tail")) | |
| 960 | (epa-verify-region cleartext-start cleartext-end)))))) | |
| 961 | ||
| 962 | (eval-and-compile | |
| 963 | (if (fboundp 'select-safe-coding-system) | |
| 964 | (defalias 'epa--select-safe-coding-system 'select-safe-coding-system) | |
| 965 | (defun epa--select-safe-coding-system (from to) | |
| 966 | buffer-file-coding-system))) | |
| 967 | ||
| 968 | ;;;###autoload | |
| 969 | (defun epa-sign-region (start end signers mode) | |
| 970 | "Sign the current region between START and END by SIGNERS keys selected. | |
| 971 | ||
| 2c6c404a MO |
972 | Don't use this command in Lisp programs! |
| 973 | Since this function operates on regions, it does some tricks such | |
| 974 | as coding-system detection and unibyte/multibyte conversion. If | |
| 975 | you are sure how the data should be treated, you should consider | |
| 976 | using the string based counterpart `epg-sign-string', or the file | |
| 977 | based counterpart `epg-sign-file' instead. | |
| 978 | ||
| 979 | For example: | |
| 980 | ||
| 981 | \(let ((context (epg-make-context 'OpenPGP))) | |
| 982 | (epg-sign-string | |
| 983 | context | |
| 984 | (encode-coding-string (buffer-substring start end) 'utf-8)))" | |
| c154c0be MO |
985 | (interactive |
| 986 | (let ((verbose current-prefix-arg)) | |
| 987 | (setq epa-last-coding-system-specified | |
| 988 | (or coding-system-for-write | |
| 989 | (epa--select-safe-coding-system | |
| 990 | (region-beginning) (region-end)))) | |
| 991 | (list (region-beginning) (region-end) | |
| 992 | (if verbose | |
| 993 | (epa-select-keys (epg-make-context epa-protocol) | |
| 994 | "Select keys for signing. | |
| 995 | If no one is selected, default secret key is used. " | |
| 996 | nil t)) | |
| 997 | (if verbose | |
| 998 | (epa--read-signature-type) | |
| 999 | 'clear)))) | |
| 1000 | (save-excursion | |
| 1001 | (let ((context (epg-make-context epa-protocol)) | |
| 1002 | signature) | |
| 1003 | ;;(epg-context-set-armor context epa-armor) | |
| 1004 | (epg-context-set-armor context t) | |
| 1005 | ;;(epg-context-set-textmode context epa-textmode) | |
| 1006 | (epg-context-set-textmode context t) | |
| 1007 | (epg-context-set-signers context signers) | |
| 1008 | (epg-context-set-passphrase-callback context | |
| 1009 | #'epa-passphrase-callback-function) | |
| 1010 | (epg-context-set-progress-callback context | |
| 1011 | (cons | |
| 1012 | #'epa-progress-callback-function | |
| 1013 | "Signing...")) | |
| 1014 | (message "Signing...") | |
| 1015 | (setq signature (epg-sign-string context | |
| 1016 | (epa--encode-coding-string | |
| 1017 | (buffer-substring start end) | |
| 1018 | epa-last-coding-system-specified) | |
| 1019 | mode)) | |
| 1020 | (message "Signing...done") | |
| 1021 | (delete-region start end) | |
| 1022 | (goto-char start) | |
| 1023 | (add-text-properties (point) | |
| 1024 | (progn | |
| 1025 | (insert (epa--decode-coding-string | |
| 1026 | signature | |
| 1027 | (or coding-system-for-read | |
| 1028 | epa-last-coding-system-specified))) | |
| 1029 | (point)) | |
| 1030 | (list 'epa-coding-system-used | |
| 1031 | epa-last-coding-system-specified | |
| 1032 | 'front-sticky nil | |
| 1033 | 'rear-nonsticky t | |
| 1034 | 'start-open t | |
| 1035 | 'end-open t))))) | |
| 1036 | ||
| 1037 | (eval-and-compile | |
| 1038 | (if (fboundp 'derived-mode-p) | |
| 1039 | (defalias 'epa--derived-mode-p 'derived-mode-p) | |
| 1040 | (defun epa--derived-mode-p (&rest modes) | |
| 1041 | "Non-nil if the current major mode is derived from one of MODES. | |
| 1042 | Uses the `derived-mode-parent' property of the symbol to trace backwards." | |
| 1043 | (let ((parent major-mode)) | |
| 1044 | (while (and (not (memq parent modes)) | |
| 1045 | (setq parent (get parent 'derived-mode-parent)))) | |
| 1046 | parent)))) | |
| 1047 | ||
| 1048 | ;;;###autoload | |
| 1049 | (defun epa-encrypt-region (start end recipients sign signers) | |
| 1050 | "Encrypt the current region between START and END for RECIPIENTS. | |
| 1051 | ||
| 2c6c404a MO |
1052 | Don't use this command in Lisp programs! |
| 1053 | Since this function operates on regions, it does some tricks such | |
| 1054 | as coding-system detection and unibyte/multibyte conversion. If | |
| 1055 | you are sure how the data should be treated, you should consider | |
| 1056 | using the string based counterpart `epg-encrypt-string', or the | |
| 1057 | file based counterpart `epg-encrypt-file' instead. | |
| 1058 | ||
| 1059 | For example: | |
| 1060 | ||
| 1061 | \(let ((context (epg-make-context 'OpenPGP))) | |
| 1062 | (epg-encrypt-string | |
| 1063 | context | |
| 1064 | (encode-coding-string (buffer-substring start end) 'utf-8) | |
| 1065 | nil))" | |
| c154c0be MO |
1066 | (interactive |
| 1067 | (let ((verbose current-prefix-arg) | |
| 1068 | (context (epg-make-context epa-protocol)) | |
| 1069 | sign) | |
| 1070 | (setq epa-last-coding-system-specified | |
| 1071 | (or coding-system-for-write | |
| 1072 | (epa--select-safe-coding-system | |
| 1073 | (region-beginning) (region-end)))) | |
| 1074 | (list (region-beginning) (region-end) | |
| 1075 | (epa-select-keys context | |
| 1076 | "Select recipients for encryption. | |
| 1077 | If no one is selected, symmetric encryption will be performed. ") | |
| 1078 | (setq sign (if verbose (y-or-n-p "Sign? "))) | |
| 1079 | (if sign | |
| 1080 | (epa-select-keys context | |
| 1081 | "Select keys for signing. "))))) | |
| 1082 | (save-excursion | |
| 1083 | (let ((context (epg-make-context epa-protocol)) | |
| 1084 | cipher) | |
| 1085 | ;;(epg-context-set-armor context epa-armor) | |
| 1086 | (epg-context-set-armor context t) | |
| 1087 | ;;(epg-context-set-textmode context epa-textmode) | |
| 1088 | (epg-context-set-textmode context t) | |
| 1089 | (if sign | |
| 1090 | (epg-context-set-signers context signers)) | |
| 1091 | (epg-context-set-passphrase-callback context | |
| 1092 | #'epa-passphrase-callback-function) | |
| 1093 | (epg-context-set-progress-callback context | |
| 1094 | (cons | |
| 1095 | #'epa-progress-callback-function | |
| 1096 | "Encrypting...")) | |
| 1097 | (message "Encrypting...") | |
| 1098 | (setq cipher (epg-encrypt-string context | |
| 1099 | (epa--encode-coding-string | |
| 1100 | (buffer-substring start end) | |
| 1101 | epa-last-coding-system-specified) | |
| 1102 | recipients | |
| 1103 | sign)) | |
| 1104 | (message "Encrypting...done") | |
| 1105 | (delete-region start end) | |
| 1106 | (goto-char start) | |
| 1107 | (add-text-properties (point) | |
| 1108 | (progn | |
| 1109 | (insert cipher) | |
| 1110 | (point)) | |
| 1111 | (list 'epa-coding-system-used | |
| 1112 | epa-last-coding-system-specified | |
| 1113 | 'front-sticky nil | |
| 1114 | 'rear-nonsticky t | |
| 1115 | 'start-open t | |
| 1116 | 'end-open t))))) | |
| 1117 | ||
| 1118 | ;;;###autoload | |
| 1119 | (defun epa-delete-keys (keys &optional allow-secret) | |
| 2c6c404a | 1120 | "Delete selected KEYS." |
| c154c0be MO |
1121 | (interactive |
| 1122 | (let ((keys (epa--marked-keys))) | |
| 1123 | (unless keys | |
| 1124 | (error "No keys selected")) | |
| 1125 | (list keys | |
| 1126 | (eq (nth 1 epa-list-keys-arguments) t)))) | |
| 1127 | (let ((context (epg-make-context epa-protocol))) | |
| 1128 | (message "Deleting...") | |
| 1129 | (epg-delete-keys context keys allow-secret) | |
| 1130 | (message "Deleting...done") | |
| dc9b613e | 1131 | (apply #'epa--list-keys epa-list-keys-arguments))) |
| c154c0be MO |
1132 | |
| 1133 | ;;;###autoload | |
| 1134 | (defun epa-import-keys (file) | |
| 2c6c404a | 1135 | "Import keys from FILE." |
| c154c0be MO |
1136 | (interactive "fFile: ") |
| 1137 | (setq file (expand-file-name file)) | |
| 1138 | (let ((context (epg-make-context epa-protocol))) | |
| 1139 | (message "Importing %s..." (file-name-nondirectory file)) | |
| 1140 | (condition-case nil | |
| 1141 | (progn | |
| 1142 | (epg-import-keys-from-file context file) | |
| 1143 | (message "Importing %s...done" (file-name-nondirectory file))) | |
| 1144 | (error | |
| 1145 | (message "Importing %s...failed" (file-name-nondirectory file)))) | |
| 1146 | (if (epg-context-result-for context 'import) | |
| 1147 | (epa-display-info (epg-import-result-to-string | |
| 1148 | (epg-context-result-for context 'import)))) | |
| 1149 | (if (eq major-mode 'epa-key-list-mode) | |
| dc9b613e | 1150 | (apply #'epa--list-keys epa-list-keys-arguments)))) |
| c154c0be MO |
1151 | |
| 1152 | ;;;###autoload | |
| 1153 | (defun epa-import-keys-region (start end) | |
| 2c6c404a | 1154 | "Import keys from the region." |
| c154c0be MO |
1155 | (interactive "r") |
| 1156 | (let ((context (epg-make-context epa-protocol))) | |
| 1157 | (message "Importing...") | |
| 1158 | (condition-case nil | |
| 1159 | (progn | |
| 1160 | (epg-import-keys-from-string context (buffer-substring start end)) | |
| 1161 | (message "Importing...done")) | |
| 1162 | (error | |
| 1163 | (message "Importing...failed"))) | |
| 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 | ||
| 1168 | ;;;###autoload | |
| 1169 | (defun epa-import-armor-in-region (start end) | |
| 1170 | "Import keys in the OpenPGP armor format in the current region | |
| 2c6c404a | 1171 | between START and END." |
| c154c0be MO |
1172 | (interactive "r") |
| 1173 | (save-excursion | |
| 1174 | (save-restriction | |
| 1175 | (narrow-to-region start end) | |
| 1176 | (goto-char start) | |
| 1177 | (let (armor-start armor-end) | |
| 1178 | (while (re-search-forward | |
| 1179 | "-----BEGIN \\(PGP \\(PUBLIC\\|PRIVATE\\) KEY BLOCK\\)-----$" | |
| 1180 | nil t) | |
| 1181 | (setq armor-start (match-beginning 0) | |
| 1182 | armor-end (re-search-forward | |
| 1183 | (concat "^-----END " (match-string 1) "-----$") | |
| 1184 | nil t)) | |
| 1185 | (unless armor-end | |
| 1186 | (error "No armor tail")) | |
| 1187 | (epa-import-keys-region armor-start armor-end)))))) | |
| 1188 | ||
| 1189 | ;;;###autoload | |
| 1190 | (defun epa-export-keys (keys file) | |
| 2c6c404a | 1191 | "Export selected KEYS to FILE." |
| c154c0be MO |
1192 | (interactive |
| 1193 | (let ((keys (epa--marked-keys)) | |
| 1194 | default-name) | |
| 1195 | (unless keys | |
| 1196 | (error "No keys selected")) | |
| 1197 | (setq default-name | |
| 1198 | (expand-file-name | |
| 1199 | (concat (epg-sub-key-id (car (epg-key-sub-key-list (car keys)))) | |
| 1200 | (if epa-armor ".asc" ".gpg")) | |
| 1201 | default-directory)) | |
| 1202 | (list keys | |
| 1203 | (expand-file-name | |
| 1204 | (read-file-name | |
| 1205 | (concat "To file (default " | |
| 1206 | (file-name-nondirectory default-name) | |
| 1207 | ") ") | |
| 1208 | (file-name-directory default-name) | |
| 1209 | default-name))))) | |
| 1210 | (let ((context (epg-make-context epa-protocol))) | |
| 1211 | (epg-context-set-armor context epa-armor) | |
| 1212 | (message "Exporting to %s..." (file-name-nondirectory file)) | |
| 1213 | (epg-export-keys-to-file context keys file) | |
| 1214 | (message "Exporting to %s...done" (file-name-nondirectory file)))) | |
| 1215 | ||
| 1216 | ;;;###autoload | |
| 1217 | (defun epa-insert-keys (keys) | |
| 2c6c404a | 1218 | "Insert selected KEYS after the point." |
| c154c0be MO |
1219 | (interactive |
| 1220 | (list (epa-select-keys (epg-make-context epa-protocol) | |
| 1221 | "Select keys to export. "))) | |
| 1222 | (let ((context (epg-make-context epa-protocol))) | |
| 1223 | ;;(epg-context-set-armor context epa-armor) | |
| 1224 | (epg-context-set-armor context t) | |
| 1225 | (insert (epg-export-keys-to-string context keys)))) | |
| 1226 | ||
| 1227 | ;; (defun epa-sign-keys (keys &optional local) | |
| 1228 | ;; "Sign selected KEYS. | |
| 1229 | ;; If a prefix-arg is specified, the signature is marked as non exportable. | |
| 1230 | ||
| 1231 | ;; Don't use this command in Lisp programs!" | |
| 1232 | ;; (interactive | |
| 1233 | ;; (let ((keys (epa--marked-keys))) | |
| 1234 | ;; (unless keys | |
| 1235 | ;; (error "No keys selected")) | |
| 1236 | ;; (list keys current-prefix-arg))) | |
| 1237 | ;; (let ((context (epg-make-context epa-protocol))) | |
| 1238 | ;; (epg-context-set-passphrase-callback context | |
| 1239 | ;; #'epa-passphrase-callback-function) | |
| 1240 | ;; (epg-context-set-progress-callback context | |
| 1241 | ;; (cons | |
| 1242 | ;; #'epa-progress-callback-function | |
| 1243 | ;; "Signing keys...")) | |
| 1244 | ;; (message "Signing keys...") | |
| 1245 | ;; (epg-sign-keys context keys local) | |
| 1246 | ;; (message "Signing keys...done"))) | |
| 1247 | ;; (make-obsolete 'epa-sign-keys "Do not use.") | |
| 1248 | ||
| 1249 | (provide 'epa) | |
| 1250 | ||
| 37b77401 | 1251 | ;; arch-tag: 38d20ced-20d5-4137-b17a-f206335423d7 |
| c154c0be | 1252 | ;;; epa.el ends here |