;;; epa-file.el --- the EasyPG Assistant, transparent file encryption -*- lexical-binding: t -*-
-;; Copyright (C) 2006-2011 Free Software Foundation, Inc.
+;; Copyright (C) 2006-2014 Free Software Foundation, Inc.
;; Author: Daiki Ueno <ueno@unixuser.org>
;; Keywords: PGP, GnuPG
"If non-nil, cache passphrase for symmetric encryption.
For security reasons, this option is turned off by default and
-not recommended to use. Instead, consider using public-key
-encryption with gpg-agent which does the same job in a safer
-way."
+not recommended to use. Instead, consider using gpg-agent which
+does the same job in a safer way. See Info node `(epa) Caching
+Passphrases' for more information.
+
+Note that this option has no effect if you use GnuPG 2.0."
:type 'boolean
:group 'epa-file)
(error)))
(local-file (or local-copy file))
(context (epg-make-context))
+ (buf (current-buffer))
string length entry)
(if visit
(setq buffer-file-name file))
;; where `find-file-not-found-functions' are called in
;; `find-file-noselect-1'.
(when (file-exists-p local-file)
- (make-local-variable 'epa-file-error)
- (setq epa-file-error error)
+ (setq-local epa-file-error error)
(add-hook 'find-file-not-found-functions
'epa-file--find-file-not-found-function
nil t))
(signal 'file-error
(cons "Opening input file" (cdr error)))))
- (make-local-variable 'epa-file-encrypt-to)
- (setq epa-file-encrypt-to
- (mapcar #'car (epg-context-result-for context 'encrypted-to)))
+ (set-buffer buf) ;In case timer/filter changed/killed it (bug#16029)!
+ (setq-local epa-file-encrypt-to
+ (mapcar #'car (epg-context-result-for
+ context 'encrypted-to)))
(if (or beg end)
(setq string (substring string (or beg 0) end)))
(save-excursion
(recipients
(cond
((listp epa-file-encrypt-to) epa-file-encrypt-to)
- ((stringp epa-file-encrypt-to) (list epa-file-encrypt-to)))))
+ ((stringp epa-file-encrypt-to) (list epa-file-encrypt-to))))
+ buffer)
(epg-context-set-passphrase-callback
context
(cons #'epa-file-passphrase-callback-function
(unless start
(setq start (point-min)
end (point-max)))
- (epa-file--encode-coding-string (buffer-substring start end)
- coding-system))
+ (setq buffer (current-buffer))
+ (with-temp-buffer
+ (insert-buffer-substring buffer start end)
+ ;; Translate the region according to
+ ;; `buffer-file-format', as `write-region' would.
+ ;; We can't simply do `write-region' (into a
+ ;; temporary file) here, since it writes out
+ ;; decrypted contents.
+ (format-encode-buffer (with-current-buffer buffer
+ buffer-file-format))
+ (epa-file--encode-coding-string (buffer-string)
+ coding-system)))
(if (or (eq epa-file-select-keys t)
(and (null epa-file-select-keys)
(not (local-variable-p 'epa-file-encrypt-to
(defun epa-file-select-keys ()
"Select recipients for encryption."
(interactive)
- (make-local-variable 'epa-file-encrypt-to)
- (setq epa-file-encrypt-to
- (mapcar
- (lambda (key)
- (epg-sub-key-id (car (epg-key-sub-key-list key))))
- (epa-select-keys
- (epg-make-context)
- "Select recipients for encryption.
+ (setq-local epa-file-encrypt-to
+ (mapcar
+ (lambda (key)
+ (epg-sub-key-id (car (epg-key-sub-key-list key))))
+ (epa-select-keys
+ (epg-make-context)
+ "Select recipients for encryption.
If no one is selected, symmetric encryption will be performed. "))))
;;;###autoload