;;; pgg.el --- glue for the various PGP implementations.
-;; Copyright (C) 1999,2000 Free Software Foundation, Inc.
+;; Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
;; Author: Daiki Ueno <ueno@unixuser.org>
;; Created: 1999/10/28
;; Keywords: PGP
-;; This file is part of SEMI (Secure Emacs MIME Interface).
+;; This file is part of GNU Emacs.
-;; This program 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 2, or (at
-;; your option) any later version.
+;; 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 2, or (at your option)
+;; any later version.
-;; This program 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.
+;; 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
-
;;; Commentary:
-;;
;;; Code:
(require 'pgg-def)
(require 'pgg-parse)
+(autoload 'run-at-time "timer")
+;; Don't merge these two `eval-when-compile's.
+(eval-when-compile
+ (require 'cl))
+;; Fixme: This would be better done with an autoload for
+;; `url-insert-file-contents', and the url stuff rationalized.
+;; (`locate-library' can say whether the url code is available.)
(eval-when-compile
(ignore-errors
(require 'w3)
(require 'url)))
-(defvar pgg-temporary-file-directory
- (cond ((fboundp 'temp-directory) (temp-directory))
- ((boundp 'temporary-file-directory) temporary-file-directory)
- ("/tmp/")))
-
;;; @ utility functions
;;;
,@body)))
(defun pgg-temp-buffer-show-function (buffer)
- (let ((window (split-window-vertically)))
+ (let ((window (or (get-buffer-window buffer 'visible)
+ (split-window-vertically))))
(set-window-buffer window buffer)
(shrink-window-if-larger-than-buffer window)))
(symbol-value (intern-soft key pgg-passphrase-cache)))
(read-passwd prompt)))
+(eval-when-compile
+ (defvar itimer-process)
+ (defvar itimer-timer)
+ (autoload 'delete-itimer "itimer")
+ (autoload 'itimer-driver-start "itimer")
+ (autoload 'itimer-value "itimer")
+ (autoload 'set-itimer-function "itimer")
+ (autoload 'set-itimer-function-arguments "itimer")
+ (autoload 'set-itimer-restart "itimer")
+ (autoload 'start-itimer "itimer"))
+
+(eval-and-compile
+ (defalias
+ 'pgg-run-at-time
+ (if (featurep 'xemacs)
+ (if (condition-case nil
+ (progn
+ (unless (or itimer-process itimer-timer)
+ (itimer-driver-start))
+ ;; Check whether there is a bug to which the difference of
+ ;; the present time and the time when the itimer driver was
+ ;; woken up is subtracted from the initial itimer value.
+ (let* ((inhibit-quit t)
+ (ctime (current-time))
+ (itimer-timer-last-wakeup
+ (prog1
+ ctime
+ (setcar ctime (1- (car ctime)))))
+ (itimer-list nil)
+ (itimer (start-itimer "pgg-run-at-time" 'ignore 5)))
+ (sleep-for 0.1) ;; Accept the timeout interrupt.
+ (prog1
+ (> (itimer-value itimer) 0)
+ (delete-itimer itimer))))
+ (error nil))
+ (lambda (time repeat function &rest args)
+ "Emulating function run as `run-at-time'.
+TIME should be nil meaning now, or a number of seconds from now.
+Return an itimer object which can be used in either `delete-itimer'
+or `cancel-timer'."
+ (apply #'start-itimer "pgg-run-at-time"
+ function (if time (max time 1e-9) 1e-9)
+ repeat nil t args))
+ (lambda (time repeat function &rest args)
+ "Emulating function run as `run-at-time' in the right way.
+TIME should be nil meaning now, or a number of seconds from now.
+Return an itimer object which can be used in either `delete-itimer'
+or `cancel-timer'."
+ (let ((itimers (list nil)))
+ (setcar
+ itimers
+ (apply #'start-itimer "pgg-run-at-time"
+ (lambda (itimers repeat function &rest args)
+ (let ((itimer (car itimers)))
+ (if repeat
+ (progn
+ (set-itimer-function
+ itimer
+ (lambda (itimer repeat function &rest args)
+ (set-itimer-restart itimer repeat)
+ (set-itimer-function itimer function)
+ (set-itimer-function-arguments itimer args)
+ (apply function args)))
+ (set-itimer-function-arguments
+ itimer
+ (append (list itimer repeat function) args)))
+ (set-itimer-function
+ itimer
+ (lambda (itimer function &rest args)
+ (delete-itimer itimer)
+ (apply function args)))
+ (set-itimer-function-arguments
+ itimer
+ (append (list itimer function) args)))))
+ 1e-9 (if time (max time 1e-9) 1e-9)
+ nil t itimers repeat function args)))))
+ 'run-at-time)))
+
(defun pgg-add-passphrase-cache (key passphrase)
(setq key (pgg-truncate-key-identifier key))
(set (intern key pgg-passphrase-cache)
passphrase)
- (run-at-time pgg-passphrase-cache-expiry nil
- #'pgg-remove-passphrase-cache
- key))
+ (pgg-run-at-time pgg-passphrase-cache-expiry nil
+ #'pgg-remove-passphrase-cache
+ key))
(defun pgg-remove-passphrase-cache (key)
(let ((passphrase (symbol-value (intern-soft key pgg-passphrase-cache))))
`(with-current-buffer pgg-output-buffer
(if (zerop (buffer-size)) nil ,@body t)))
+(defalias 'pgg-make-temp-file
+ (if (fboundp 'make-temp-file)
+ 'make-temp-file
+ (lambda (prefix &optional dir-flag)
+ (let ((file (expand-file-name
+ (make-temp-name prefix)
+ (if (fboundp 'temp-directory)
+ (temp-directory)
+ temporary-file-directory))))
+ (if dir-flag
+ (make-directory file))
+ file))))
+
;;; @ interface functions
;;;
"Decrypt the current region between START and END."
(interactive "r")
(let* ((buf (current-buffer))
- (packet (cdr (assq 1 (with-temp-buffer
- (insert-buffer buf)
- (pgg-decode-armor-region
- (point-min) (point-max))))))
- (key (cdr (assq 'key-identifier packet)))
- (pgg-default-user-id
- (if key
- (concat "0x" (pgg-truncate-key-identifier key))
- pgg-default-user-id))
(status
(pgg-save-coding-system start end
(pgg-invoke "decrypt-region" (or pgg-scheme pgg-default-scheme)