]> code.delx.au - gnu-emacs/blobdiff - lisp/epa-mail.el
* xml.el (xml-parse-string): Fix typo in handling of bad character references.
[gnu-emacs] / lisp / epa-mail.el
index ab47cbf60bcf685183269f6e42d761e29b07506f..6ba29d3748fff577e8ccb60540bcf455414c3d1b 100644 (file)
@@ -1,5 +1,5 @@
-;;; epa-mail.el --- the EasyPG Assistant, minor-mode for mail composer
-;; Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;;; epa-mail.el --- the EasyPG Assistant, minor-mode for mail composer -*- lexical-binding: t -*-
+;; Copyright (C) 2006-2013 Free Software Foundation, Inc.
 
 ;; Author: Daiki Ueno <ueno@unixuser.org>
 ;; Keywords: PGP, GnuPG, mail, message
 
 ;;;###autoload
 (define-minor-mode epa-mail-mode
-  "A minor-mode for composing encrypted/clearsigned mails."
+  "A minor-mode for composing encrypted/clearsigned mails.
+With a prefix argument ARG, enable the mode if ARG is positive,
+and disable it otherwise.  If called from Lisp, enable the mode
+if ARG is omitted or nil."
   nil " epa-mail" epa-mail-mode-map)
 
 (defun epa-mail--find-usable-key (keys usage)
-  "Find a usable key from KEYS for USAGE."
+  "Find a usable key from KEYS for USAGE.
+USAGE would be `sign' or `encrypt'."
   (catch 'found
     (while keys
       (let ((pointer (epg-key-sub-key-list (car keys))))
@@ -116,8 +120,9 @@ Don't use this command in Lisp programs!"
   (interactive
    (save-excursion
      (let ((verbose current-prefix-arg)
+          (config (epg-configuration))
           (context (epg-make-context epa-protocol))
-          recipients-string recipients recipient-key)
+          recipients-string recipients recipient-key sign)
        (goto-char (point-min))
        (save-restriction
         (narrow-to-region (point)
@@ -140,6 +145,17 @@ Don't use this command in Lisp programs!"
           (setq recipients (delete ""
                                    (split-string recipients
                                                  "[ \t\n]*,[ \t\n]*"))))
+
+       ;; Process all the recipients thru the list of GnuPG groups.
+       ;; Expand GnuPG group names to what they stand for.
+       (setq recipients
+            (apply #'nconc
+                   (mapcar
+                    (lambda (recipient)
+                      (or (epg-expand-group config recipient)
+                          (list recipient)))
+                    recipients)))
+
        (goto-char (point-min))
        (if (search-forward mail-header-separator nil t)
           (forward-line))
@@ -154,29 +170,33 @@ Don't use this command in Lisp programs!"
 If no one is selected, symmetric encryption will be performed.  "
                  recipients)
               (if recipients
-                  (mapcar
-                   (lambda (recipient)
-                     (setq recipient-key
-                           (epa-mail--find-usable-key
-                            (epg-list-keys
-                             (epg-make-context epa-protocol)
-                             (if (string-match "@" recipient)
-                                 (concat "<" recipient ">")
-                               recipient))
-                            'encrypt))
-                     (unless (or recipient-key
-                                 (y-or-n-p
-                                  (format
-                                   "No public key for %s; skip it? "
-                                   recipient)))
-                       (error "No public key for %s" recipient))
-                     recipient-key)
-                   recipients)))
+                  (apply
+                   'nconc
+                   (mapcar
+                    (lambda (recipient)
+                      (setq recipient-key
+                            (epa-mail--find-usable-key
+                             (epg-list-keys
+                              (epg-make-context epa-protocol)
+                              (if (string-match "@" recipient)
+                                  (concat "<" recipient ">")
+                                recipient))
+                             'encrypt))
+                      (unless (or recipient-key
+                                  (y-or-n-p
+                                   (format
+                                    "No public key for %s; skip it? "
+                                    recipient)))
+                        (error "No public key for %s" recipient))
+                      (if recipient-key (list recipient-key)))
+                    recipients))))
             (setq sign (if verbose (y-or-n-p "Sign? ")))
             (if sign
                 (epa-select-keys context
                                  "Select keys for signing.  "))))))
-  (epa-encrypt-region start end recipients sign signers))
+  ;; Don't let some read-only text stop us from encrypting.
+  (let ((inhibit-read-only t))
+    (epa-encrypt-region start end recipients sign signers)))
 
 ;;;###autoload
 (defun epa-mail-import-keys ()
@@ -189,7 +209,10 @@ Don't use this command in Lisp programs!"
 
 ;;;###autoload
 (define-minor-mode epa-global-mail-mode
-  "Minor mode to hook EasyPG into Mail mode."
+  "Minor mode to hook EasyPG into Mail mode.
+With a prefix argument ARG, enable the mode if ARG is positive,
+and disable it otherwise.  If called from Lisp, enable the mode
+if ARG is omitted or nil."
   :global t :init-value nil :group 'epa-mail :version "23.1"
   (remove-hook 'mail-mode-hook 'epa-mail-mode)
   (if epa-global-mail-mode
@@ -197,5 +220,4 @@ Don't use this command in Lisp programs!"
 
 (provide 'epa-mail)
 
-;; arch-tag: a6f82b3f-d177-4a11-af95-040da55927d2
 ;;; epa-mail.el ends here