This commit was manufactured by cvs2svn to create branch 'grossjoh'.

[elisp/gnus.git-] / lisp / mml-sec.el

diff --git a/lisp/mml-sec.el b/lisp/mml-sec.el
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-;;; mml-sec.el --- A package with security functions for MML documents
-;; Copyright (C) 2000 Free Software Foundation, Inc.
-
-;; Author: Simon Josefsson <simon@josefsson.org>
-;; This file is not part of GNU Emacs, but the same permissions apply.
-
-;; 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.
-
-;; 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 'smime)
-(require 'mml2015)
-(require 'mml-smime)
-(eval-when-compile (require 'cl))
-
-(defvar mml-sign-alist
-  '(("smime"     mml-smime-sign-buffer     mml-smime-sign-query)
-    ("pgpmime"   mml-pgpmime-sign-buffer   list))
-  "Alist of MIME signer functions.")
-
-(defvar mml-default-sign-method (caar mml-sign-alist)
-  "Default sign method.")
-
-(defvar mml-encrypt-alist
-  '(("smime"     mml-smime-encrypt-buffer     mml-smime-encrypt-query)
-    ("pgpmime"   mml-pgpmime-encrypt-buffer   list))
-  "Alist of MIME encryption functions.")
-
-(defvar mml-default-encrypt-method (caar mml-encrypt-alist)
-  "Default encryption method.")
-
-;;; Security functions
-
-(defun mml-smime-sign-buffer (cont)
-  (or (mml-smime-sign cont)
-      (error "Signing failed... inspect message logs for errors")))
-
-(defun mml-smime-encrypt-buffer (cont)
-  (or (mml-smime-encrypt cont)
-      (error "Encryption failed... inspect message logs for errors")))
-
-(defun mml-pgpmime-sign-buffer (cont)
-  (or (mml2015-sign cont)
-      (error "Signing failed... inspect message logs for errors")))
-
-(defun mml-pgpmime-encrypt-buffer (cont)
-  (or (mml2015-encrypt cont)
-      (error "Encryption failed... inspect message logs for errors")))
-
-(defun mml-secure-part (method &optional sign)
-  (save-excursion
-    (let ((tags (funcall (nth 2 (assoc method (if sign mml-sign-alist
-                                               mml-encrypt-alist))))))
-      (cond ((re-search-backward
-             "<#\\(multipart\\|part\\|external\\|mml\\)" nil t)
-            (goto-char (match-end 0))
-            (insert (if sign " sign=" " encrypt=") method)
-            (while tags
-              (let ((key (pop tags))
-                    (value (pop tags)))
-                (when value
-                  ;; Quote VALUE if it contains suspicious characters.
-                  (when (string-match "[\"'\\~/*;() \t\n]" value)
-                    (setq value (prin1-to-string value)))
-                  (insert (format " %s=%s" key value))))))
-           ((or (re-search-backward
-                 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
-                (re-search-forward
-                 (concat "^" (regexp-quote mail-header-separator) "\n") nil t))
-            (goto-char (match-end 0))
-            (apply 'mml-insert-tag 'part (cons (if sign 'sign 'encrypt)
-                                               (cons method tags))))
-           (t (error "The message is corrupted. No mail header separator"))))))
-
-(defun mml-secure-sign-pgpmime ()
-  "Add MML tags to PGP/MIME sign this MML part."
-  (interactive)
-  (mml-secure-part "pgpmime" 'sign))
-
-(defun mml-secure-sign-smime ()
-  "Add MML tags to S/MIME sign this MML part."
-  (interactive)
-  (mml-secure-part "smime" 'sign))
-
-(defun mml-secure-encrypt-pgpmime ()
-  "Add MML tags to PGP/MIME encrypt this MML part."
-  (interactive)
-  (mml-secure-part "pgpmime"))
-
-(defun mml-secure-encrypt-smime ()
-  "Add MML tags to S/MIME encrypt this MML part."
-  (interactive)
-  (mml-secure-part "smime"))
-
-(provide 'mml-sec)
-
-;;; mml-sec.el ends here