1 ;;; epa.el --- EasyPG Assistant, GUI of EasyPG
2 ;; Copyright (C) 2006 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
5 ;; Keywords: PGP, GnuPG
7 ;; This file is part of EasyPG.
9 ;; This program is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; This program 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.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 ;; Boston, MA 02110-1301, USA.
29 (eval-when-compile (require 'wid-edit))
32 "EasyPG Assistant, GUI of EasyPG."
35 (defgroup epa-faces nil
39 (defface epa-validity-high-face
40 '((((class color) (background dark))
41 (:foreground "PaleTurquoise" :bold t))
44 "Face used for displaying the high validity."
46 (defvar epa-validity-high-face 'epa-validity-high-face)
48 (defface epa-validity-medium-face
49 '((((class color) (background dark))
50 (:foreground "PaleTurquoise" :italic t))
53 "Face used for displaying the medium validity."
55 (defvar epa-validity-medium-face 'epa-validity-medium-face)
57 (defface epa-validity-low-face
60 "Face used for displaying the low validity."
62 (defvar epa-validity-low-face 'epa-validity-low-face)
64 (defface epa-validity-disabled-face
66 (:italic t :inverse-video t)))
67 "Face used for displaying the disabled validity."
69 (defvar epa-validity-disabled-face 'epa-validity-disabled-face)
71 (defface epa-string-face
74 (:foreground "lightyellow"))
77 (:foreground "blue4"))
80 "Face used for displaying the string."
82 (defvar epa-string-face 'epa-string-face)
84 (defface epa-field-name-face
85 '((((class color) (background dark))
86 (:foreground "PaleTurquoise" :bold t))
88 "Face for the name of the attribute field."
90 (defvar epa-field-name-face 'epa-field-name-face)
92 (defface epa-field-body-face
93 '((((class color) (background dark))
94 (:foreground "turquoise" :italic t))
96 "Face for the body of the attribute field."
98 (defvar epa-field-body-face 'epa-field-body-face)
100 (defcustom epa-validity-face-alist
101 '((?o . epa-validity-disabled-face)
102 (?i . epa-validity-disabled-face)
103 (?d . epa-validity-disabled-face)
104 (?r . epa-validity-disabled-face)
105 (?e . epa-validity-disabled-face)
106 (?- . epa-validity-low-face)
107 (?q . epa-validity-low-face)
108 (?n . epa-validity-low-face)
109 (?m . epa-validity-medium-face)
110 (?f . epa-validity-high-face)
111 (?u . epa-validity-high-face))
112 "An alist mapping marks on epa-keys-buffer to faces."
116 (defcustom epa-font-lock-keywords
117 '(("^[* ]\\(\\([oidreqnmfu-]\\) .*\\)"
118 (1 (cdr (assq (aref (match-string 2) 0)
119 epa-validity-face-alist))))
120 ("^\t\\([^\t:]+:\\)[ \t]*\\(.*\\)$"
121 (1 epa-field-name-face)
122 (2 epa-field-body-face)))
123 "Default expressions to addon in epa-mode."
124 :type '(repeat (list string))
127 (defconst epa-pubkey-algorithm-letter-alist
135 (defvar epa-keys-buffer nil)
136 (defvar epa-key-buffer-alist nil)
139 (defvar epa-keys-mode-map
140 (let ((keymap (make-sparse-keymap)))
141 (define-key keymap "m" 'epa-mark)
142 (define-key keymap "u" 'epa-unmark)
143 (define-key keymap "n" 'next-line)
144 (define-key keymap "p" 'previous-line)
145 (define-key keymap " " 'scroll-up)
146 (define-key keymap [delete] 'scroll-down)
147 (define-key keymap "q" 'bury-buffer)
150 (defun epa-keys-mode ()
151 "Major mode for `epa-list-keys'."
152 (kill-all-local-variables)
153 (buffer-disable-undo)
154 (setq major-mode 'epa-keys-mode
158 (use-local-map epa-keys-mode-map)
159 (set-keymap-parent (current-local-map) widget-keymap)
160 (make-local-variable 'font-lock-defaults)
161 (setq font-lock-defaults '(epa-font-lock-keywords t))
162 ;; In XEmacs, auto-initialization of font-lock is not effective
163 ;; if buffer-file-name is not set.
164 (font-lock-set-defaults)
166 (run-hooks 'epa-keys-mode-hook))
168 (defvar epa-key-mode-map
169 (let ((keymap (make-sparse-keymap)))
170 (define-key keymap "q" 'bury-buffer)
173 (defun epa-key-mode ()
174 "Major mode for `epa-show-key'."
175 (kill-all-local-variables)
176 (buffer-disable-undo)
177 (setq major-mode 'epa-key-mode
181 (use-local-map epa-key-mode-map)
182 (make-local-variable 'font-lock-defaults)
183 (setq font-lock-defaults '(epa-font-lock-keywords t))
184 ;; In XEmacs, auto-initialization of font-lock is not effective
185 ;; if buffer-file-name is not set.
186 (font-lock-set-defaults)
187 (run-hooks 'epa-key-mode-hook))
190 (defun epa-list-keys (&optional name)
191 (interactive "sPattern: ")
192 (unless (and epa-keys-buffer
193 (buffer-live-p epa-keys-buffer))
194 (setq epa-keys-buffer (generate-new-buffer "*Keys*")))
195 (set-buffer epa-keys-buffer)
197 (epa-list-keys-1 name)
199 (goto-char (point-min))
200 (pop-to-buffer (current-buffer)))
202 (defun epa-list-keys-1 (name)
203 (let ((inhibit-read-only t)
205 keys point primary-sub-key primary-user-id)
206 (setq keys (epg-list-keys name))
209 primary-sub-key (car (epg-key-sub-key-list (car keys)))
210 primary-user-id (car (epg-key-user-id-list (car keys))))
211 (insert " " (or (char-to-string
212 (car (rassq (epg-sub-key-validity primary-sub-key)
213 epg-key-validity-alist)))
216 :tag (epg-sub-key-id primary-sub-key)
217 :notify 'epa-show-key-notify
219 (insert " " (epg-user-id-name primary-user-id) "\n")
220 (put-text-property point (point) 'epa-key (car keys))
221 (setq keys (cdr keys)))))
223 (defun epa-select-keys (prompt &optional names)
224 (unless (and epa-keys-buffer
225 (buffer-live-p epa-keys-buffer))
226 (setq epa-keys-buffer (generate-new-buffer "*Keys*")))
227 (let ((inhibit-read-only t)
230 (set-buffer epa-keys-buffer)
232 (insert prompt "\n\n"
233 (substitute-command-keys "\\[exit-recursive-edit] to exit.")
238 (epa-list-keys-1 (car names))
241 (goto-char (point-max))
242 (setq names (cdr names)))
243 (epa-list-keys-1 nil))
245 (goto-char (point-min))
246 (pop-to-buffer (current-buffer))
251 (set-buffer epa-keys-buffer)
252 (goto-char (point-min))
254 (while (re-search-forward "^\\*" nil t)
255 (if (setq key (get-text-property (match-beginning 0) 'epa-key))
256 (setq keys (cons key keys))))
258 (if (get-buffer-window epa-keys-buffer)
259 (delete-window (get-buffer-window epa-keys-buffer)))
260 (kill-buffer epa-keys-buffer))))
262 (defun epa-show-key (key)
263 (let* ((primary-sub-key (car (epg-key-sub-key-list key)))
264 (entry (assoc (epg-sub-key-id primary-sub-key)
265 epa-key-buffer-alist))
266 (inhibit-read-only t)
270 (setq entry (cons (epg-sub-key-id primary-sub-key) nil)
271 epa-key-buffer-alist (cons entry epa-key-buffer-alist)))
272 (unless (and (cdr entry)
273 (buffer-live-p (cdr entry)))
274 (setcdr entry (generate-new-buffer
275 (format "*Key*%s" (epg-sub-key-id primary-sub-key)))))
276 (set-buffer (cdr entry))
277 (make-local-variable 'epa-key)
280 (setq pointer (epg-key-user-id-list key))
284 (car (rassq (epg-user-id-validity (car pointer))
285 epg-key-validity-alist)))
287 (epg-user-id-name (car pointer))
289 (setq pointer (cdr pointer)))
290 (setq pointer (epg-key-sub-key-list key))
294 (car (rassq (epg-sub-key-validity (car pointer))
295 epg-key-validity-alist)))
297 (epg-sub-key-id (car pointer))
300 (epg-sub-key-length (car pointer)))
302 (cdr (assq (epg-sub-key-algorithm (car pointer))
303 epg-pubkey-algorithm-alist))
305 (epg-sub-key-creation-time (car pointer))
306 (if (epg-sub-key-expiration-time (car pointer))
307 (format "\n\tExpires: %s" (epg-sub-key-expiration-time
311 (mapconcat #'symbol-name
312 (epg-sub-key-capability (car pointer))
315 (epg-sub-key-fingerprint (car pointer))
317 (setq pointer (cdr pointer)))
318 (goto-char (point-min))
319 (pop-to-buffer (current-buffer))
322 (defun epa-show-key-notify (widget &rest ignore)
323 (epa-show-key (widget-value widget)))
325 (defun epa-mark (&optional arg)
326 "Mark the current line."
328 (let ((inhibit-read-only t)
332 (setq properties (text-properties-at (point)))
334 (insert (if arg " " "*"))
335 (set-text-properties (1- (point)) (point) properties)
338 (defun epa-unmark (&optional arg)
339 "Unmark the current line."
341 (epa-mark (not arg)))