-;;;
;;; tm-pgp.el --- tm-view internal methods for PGP.
-;;;
-;;; Copyright (C) 1995 Free Software Foundation, Inc.
-;;; Copyright (C) 1995 MORIOKA Tomohiko
-;;;
-;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Created: 1995/12/7
-;;; Version:
-;;; $Id: tm-pgp.el,v 7.4 1995/12/19 18:06:49 morioka Exp $
-;;; Keywords: mail, news, MIME, multimedia, PGP, security
-;;;
-;;; This file is part of tm (Tools for MIME).
-;;;
-;;; 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.
-;;;
-;;; 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.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with This program. If not, write to the Free Software
-;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-;;;
+
+;; Copyright (C) 1995,1996,1997 MORIOKA Tomohiko
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Created: 1995/12/7
+;; Version: $Id: tm-pgp.el,v 7.33 1997/02/13 14:51:04 morioka Exp $
+;; Keywords: mail, news, MIME, multimedia, PGP, security
+
+;; This file is part of tm (Tools for MIME).
+
+;; 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.
+
+;; 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.
+
+;; 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:
-;;; This module is based on 2 drafts about PGP MIME integration:
-;;; - draft-elkins-pem-pgp-02.txt
-;;; ``MIME Security with Pretty Good Privacy (PGP)''
-;;; by Michael Elkins <elkins@aero.org> (1995/11)
-;;; - draft-kazu-pgp-mime-00.txt
-;;; ``PGP MIME Integration''
-;;; by Kazuhiko Yamamoto <kazu@is.aist-nara.ac.jp> (1995/10)
-;;; These drafts may be contrary to each other. You should decide
-;;; which you support.
-;;;
+
+;; This module is based on 2 drafts about PGP MIME integration:
+
+;; - RFC 2015: "MIME Security with Pretty Good Privacy (PGP)"
+;; by Michael Elkins <elkins@aero.org> (1996/6)
+;;
+;; - draft-kazu-pgp-mime-00.txt: "PGP MIME Integration"
+;; by Kazuhiko Yamamoto <kazu@is.aist-nara.ac.jp>
+;; (1995/10; expired)
+;;
+;; These drafts may be contrary to each other. You should decide
+;; which you support. (Maybe you should use PGP/MIME)
+
;;; Code:
-(require 'mailcrypt)
(require 'tm-play)
(defun mime-article/view-application/pgp (beg end cal)
(let* ((cnum (mime-article/point-content-number beg))
(cur-buf (current-buffer))
+ (p-win (or (get-buffer-window mime::article/preview-buffer)
+ (get-largest-window)))
(new-name (format "%s-%s" (buffer-name) cnum))
(mother mime::article/preview-buffer)
- (code-converter
- (or (cdr (assq major-mode mime-viewer/code-converter-alist))
- 'mime-viewer/default-code-convert-region))
- str)
- (setq str (buffer-substring beg end))
- (switch-to-buffer new-name)
+ (mode major-mode)
+ code-converter
+ (str (buffer-substring beg end))
+ )
+ (set-buffer (get-buffer-create new-name))
(erase-buffer)
(insert str)
(cond ((progn
(goto-char (point-min))
(re-search-forward "^-+BEGIN PGP SIGNED MESSAGE-+$" nil t)
)
- (mc-verify)
+ (funcall (pgp-function 'verify))
(goto-char (point-min))
(delete-region
(point-min)
(while (re-search-forward "^- -" nil t)
(replace-match "-")
)
+ (setq code-converter
+ (or
+ (cdr (assq mode mime-viewer/code-converter-alist))
+ (function mime-viewer/default-code-convert-region)))
)
((progn
(goto-char (point-min))
(re-search-forward "^-+BEGIN PGP MESSAGE-+$" nil t)
)
- (mc-decrypt)
+ (as-binary-process (funcall (pgp-function 'decrypt)))
(goto-char (point-min))
(delete-region (point-min)
(and
(search-forward "\n\n")
(match-end 0)))
+ (setq code-converter (function mime-charset/decode-buffer))
))
(setq major-mode 'mime/show-message-mode)
(setq mime::article/code-converter code-converter)
- (mime/viewer-mode mother)
+ (save-window-excursion (mime/viewer-mode mother))
+ (set-window-buffer p-win mime::article/preview-buffer)
))
(set-atype 'mime/content-decoding-condition
;;; @ Internal method for application/pgp-signature
;;;
-;;; It is based on draft-elkins-pem-pgp-01.txt
+;;; It is based on RFC 2015.
+
+(defvar tm-pgp::default-language 'en
+ "*Symbol of language for pgp.
+It should be ISO 639 2 letter language code such as en, ja, ...")
+
+(defvar tm-pgp::good-signature-regexp-alist
+ '((en . "Good signature from user.*$"))
+ "Alist of language vs regexp to detect ``Good signature''.")
+
+(defvar tm-pgp::key-expected-regexp-alist
+ '((en . "Key matching expected Key ID \\(\\S +\\) not found"))
+ "Alist of language vs regexp to detect ``Key expected''.")
+
+(defun mime::article/call-pgp-to-check-signature (output-buffer orig-file)
+ (save-excursion
+ (set-buffer output-buffer)
+ (erase-buffer)
+ )
+ (let* ((lang (or tm-pgp::default-language 'en))
+ (status
+ (call-process-region (point-min)(point-max)
+ "pgp" nil output-buffer nil orig-file
+ (format "+language=%s" lang)
+ ))
+ (regexp (cdr (assq lang tm-pgp::good-signature-regexp-alist)))
+ )
+ (if (= status 0)
+ (save-excursion
+ (set-buffer output-buffer)
+ (goto-char (point-min))
+ (message
+ (cond ((not (stringp regexp))
+ "Please specify right regexp for specified language")
+ ((re-search-forward regexp nil t)
+ (buffer-substring (match-beginning 0) (match-end 0))
+ )
+ (t
+ "Bad signature"
+ )))
+ ))))
(defun mime-article/check-pgp-signature (beg end cal)
(let* ((encoding (cdr (assq 'encoding cal)))
(while (re-search-forward "\n" nil t)
(replace-match "\r\n")
)
- (write-file orig-file)
+ (as-binary-output-file (write-file orig-file))
(kill-buffer (current-buffer))
)
(save-excursion
+ (mime-article/show-output-buffer)
+ )
+ (save-excursion
(setq str (buffer-substring
(save-excursion
(goto-char beg)
end))
(set-buffer (setq kbuf (get-buffer-create mime/temp-buffer-name)))
(insert str)
- (mime/decode-region encoding (point-min)(point-max))
- (let ((mc-flag nil) ; for Mule
- (file-coding-system
- (if (featurep 'mule) *noconv*))
- kanji-flag ; for NEmacs
- (emx-binary-mode t) ; for OS/2
- jka-compr-compression-info-list ; for jka-compr
- jam-zcat-filename-list ; for jam-zcat
- require-final-newline)
- (write-file sig-file)
- )
- ;;(define-program-coding-system (current-buffer) "pgp" *noconv*)
- (mime-article/show-output-buffer)
- (setq status
- (call-process-region (point-min)(point-max)
- "pgp"
- nil mime/output-buffer-name nil
- orig-file))
- (kill-buffer kbuf)
+ (mime-decode-region (point-min)(point-max) encoding)
+ (as-binary-output-file (write-file sig-file))
+ (or (mime::article/call-pgp-to-check-signature
+ mime/output-buffer-name orig-file)
+ (let (pgp-id)
+ (save-excursion
+ (set-buffer mime/output-buffer-name)
+ (goto-char (point-min))
+ (let ((regexp (cdr (assq (or tm-pgp::default-language 'en)
+ tm-pgp::key-expected-regexp-alist))))
+ (cond ((not (stringp regexp))
+ (message
+ "Please specify right regexp for specified language")
+ )
+ ((re-search-forward regexp nil t)
+ (setq pgp-id
+ (concat "0x" (buffer-substring-no-properties
+ (match-beginning 1)
+ (match-end 1))))
+ ))))
+ (if (and pgp-id
+ (y-or-n-p
+ (format "Key %s not found; attempt to fetch? " pgp-id))
+ )
+ (progn
+ (funcall (pgp-function 'fetch-key) (cons nil pgp-id))
+ (mime::article/call-pgp-to-check-signature
+ mime/output-buffer-name orig-file)
+ ))
+ ))
(let ((other-window-scroll-buffer mime/output-buffer-name))
(scroll-other-window 8)
)
- ;; (if (= status 0)
- ;; (message "Good signature!")
- ;; (message "Bad signature!")
- ;; )
+ (kill-buffer kbuf)
(delete-file orig-file)
(delete-file sig-file)
)))
;;; @ Internal method for application/pgp-encrypted
;;;
-;;; It is based on draft-elkins-pem-pgp-01.txt
+;;; It is based on RFC 2015.
(defun mime-article/decrypt-pgp (beg end cal)
(let* ((cnum (mime-article/point-content-number beg))
;;; @ Internal method for application/pgp-keys
;;;
-;;; It is based on draft-elkins-pem-pgp-01.txt
-
-(autoload 'mc-snarf-keys "mc-toplev")
+;;; It is based on RFC 2015.
(defun mime-article/add-pgp-keys (beg end cal)
(let* ((cnum (mime-article/point-content-number beg))
(if (re-search-forward "^\n" nil t)
(delete-region (point-min) (match-end 0))
)
- (mime/decode-region encoding (point-min)(point-max))
- (mc-snarf-keys)
+ (mime-decode-region (point-min)(point-max) encoding)
+ (funcall (pgp-function 'snarf-keys))
(kill-buffer (current-buffer))
))
;;;
(provide 'tm-pgp)
+
+(run-hooks 'tm-pgp-load-hook)
+
+;;; tm-pgp.el ends here
projects / elisp / tm.git / blobdiff