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author | Eli Zaretskii <eliz@gnu.org> | 2008-05-08 11:05:25 +0000 |
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committer | Eli Zaretskii <eliz@gnu.org> | 2008-05-08 11:05:25 +0000 |
commit | 8691412347e6edf3a1b792db1f7fd77bafd15284 (patch) | |
tree | 80b21019ecb318f9a95b64cd02bf5383758446d4 /lisp/epa-hook.el | |
parent | 77fa600f201d9c349512cf152a5bcae195f495ea (diff) | |
download | emacs-8691412347e6edf3a1b792db1f7fd77bafd15284.tar.gz |
Renamed lisp/epa-file-hook.el to lisp/epa-hook.el.
Diffstat (limited to 'lisp/epa-hook.el')
-rw-r--r-- | lisp/epa-hook.el | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/lisp/epa-hook.el b/lisp/epa-hook.el new file mode 100644 index 00000000000..57c5304c45f --- /dev/null +++ b/lisp/epa-hook.el @@ -0,0 +1,108 @@ +;;; epa-hook.el --- preloaded code to enable epa-file.el +;; Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc. + +;; Author: Daiki Ueno <ueno@unixuser.org> +;; Keywords: PGP, GnuPG + +;; This file is part of GNU Emacs. + +;; GNU Emacs is free software: you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +;; GNU Emacs is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. + +;;; Code: + +(defgroup epa-file nil + "The EasyPG Assistant hooks for transparent file encryption" + :version "23.1" + :group 'epa) + +(defun epa-file--file-name-regexp-set (variable value) + (set-default variable value) + (if (fboundp 'epa-file-name-regexp-update) + (epa-file-name-regexp-update))) + +(defcustom epa-file-name-regexp "\\.gpg\\(~\\|\\.~[0-9]+~\\)?\\'" + "Regexp which matches filenames to be encrypted with GnuPG. + +If you set this outside Custom while epa-file is already enabled, you +have to call `epa-file-name-regexp-update' after setting it to +properly update file-name-handler-alist. Setting this through Custom +does that automatically." + :type 'regexp + :group 'epa-file + :set 'epa-file--file-name-regexp-set) + +(defcustom epa-file-inhibit-auto-save t + "If non-nil, disable auto-saving when opening an encrypted file." + :type 'boolean + :group 'epa-file) + +(defvar epa-file-encrypt-to nil + "*Recipient(s) used for encrypting files. +May either be a string or a list of strings.") + +(put 'epa-file-encrypt-to 'safe-local-variable + (lambda (val) + (or (stringp val) + (and (listp val) + (catch 'safe + (mapc (lambda (elt) + (unless (stringp elt) + (throw 'safe nil))) + val) + t))))) + +(put 'epa-file-encrypt-to 'permanent-local t) + +(defvar epa-file-handler + (cons epa-file-name-regexp 'epa-file-handler)) + +(defvar epa-file-auto-mode-alist-entry + (list epa-file-name-regexp nil 'epa-file)) + +(defun epa-file-name-regexp-update () + (interactive) + (unless (equal (car epa-file-handler) epa-file-name-regexp) + (setcar epa-file-handler epa-file-name-regexp))) + +(defun epa-file-find-file-hook () + (if (and buffer-file-name + (string-match epa-file-name-regexp buffer-file-name) + epa-file-inhibit-auto-save) + (auto-save-mode 0)) + (set-buffer-modified-p nil)) + +(define-minor-mode auto-encryption-mode + "Toggle automatic file encryption and decryption. +With prefix argument ARG, turn auto encryption on if positive, else off. +Return the new status of auto encryption (non-nil means on)." + :global t :init-value t :group 'epa-file :version "23.1" + (setq file-name-handler-alist + (delq epa-file-handler file-name-handler-alist)) + (remove-hook 'find-file-hooks 'epa-file-find-file-hook) + (setq auto-mode-alist (delq epa-file-auto-mode-alist-entry + auto-mode-alist)) + (when auto-encryption-mode + (setq file-name-handler-alist + (cons epa-file-handler file-name-handler-alist)) + (add-hook 'find-file-hook 'epa-file-find-file-hook) + (setq auto-mode-alist (cons epa-file-auto-mode-alist-entry + auto-mode-alist)))) + +(put 'epa-file-handler 'safe-magic t) +(put 'epa-file-handler 'operations '(write-region insert-file-contents)) + +(provide 'epa-file-hook) + +;; arch-tag: f75c8a50-d32e-4eb3-9ec6-9e940c1fc8b5 +;;; epa-file-hook.el ends here |