+(defun gnus-article-encrypt-body (protocol &optional n)
+ "Encrypt the article body."
+ (interactive
+ (list
+ (or gnus-article-encrypt-protocol
+ (completing-read "Encrypt protocol: "
+ gnus-article-encrypt-protocol-alist
+ nil t))
+ current-prefix-arg))
+ (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
+ (unless func
+ (error (format "Can't find the encrypt protocol %s" protocol)))
+ (if (equal gnus-newsgroup-name "nndraft:drafts")
+ (error "Can't encrypt the article in group nndraft:drafts."))
+ (if (equal gnus-newsgroup-name "nndraft:queue")
+ (error "Don't encrypt the article in group nndraft:queue."))
+ (gnus-summary-iterate n
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (let ((mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
+ (summary-buffer gnus-summary-buffer)
+ references point)
+ (gnus-set-global-variables)
+ (when (gnus-group-read-only-p)
+ (error "The current newsgroup does not support article encrypt"))
+ (gnus-summary-show-article t)
+ (setq references
+ (or (mail-header-references gnus-current-headers) ""))
+ (set-buffer gnus-article-buffer)
+ (let* ((buffer-read-only nil)
+ (headers
+ (mapcar (lambda (field)
+ (and (save-restriction
+ (message-narrow-to-head)
+ (goto-char (point-min))
+ (search-forward field nil t))
+ (prog2
+ (message-narrow-to-field)
+ (buffer-substring (point-min) (point-max))
+ (delete-region (point-min) (point-max))
+ (widen))))
+ '("Content-Type:" "Content-Transfer-Encoding:"
+ "Content-Disposition:"))))
+ (message-narrow-to-head)
+ (message-remove-header "MIME-Version")
+ (goto-char (point-max))
+ (setq point (point))
+ (insert (apply 'concat headers))
+ (widen)
+ (narrow-to-region point (point-max))
+ (let ((message-options message-options))
+ (message-options-set 'message-sender user-mail-address)
+ (message-options-set 'message-recipients user-mail-address)
+ (message-options-set 'message-sign-encrypt 'not)
+ (funcall func))
+ (goto-char (point-min))
+ (insert "MIME-Version: 1.0\n")
+ (widen)
+ (gnus-summary-edit-article-done
+ references nil summary-buffer t))
+ (when gnus-keep-backlog
+ (gnus-backlog-remove-article
+ (car gnus-article-current) (cdr gnus-article-current)))
+ (save-excursion
+ (when (get-buffer gnus-original-article-buffer)
+ (set-buffer gnus-original-article-buffer)
+ (setq gnus-original-article nil)))
+ (when gnus-use-cache
+ (gnus-cache-update-article
+ (car gnus-article-current) (cdr gnus-article-current))))))))
+
+(defvar gnus-mime-security-button-line-format "%{%([[%t:%i]]%)%}\n"
+ "The following specs can be used:
+%t The security MIME type
+%i Additional info")
+
+(defvar gnus-mime-security-button-line-format-alist
+ '((?t gnus-tmp-type ?s)
+ (?i gnus-tmp-info ?s)))
+
+(defvar gnus-mime-security-button-map
+ (let ((map (make-sparse-keymap)))
+ (set-keymap-parent map gnus-article-mode-map)
+ (define-key map gnus-mouse-2 'gnus-article-push-button)
+ (define-key map "\r" 'gnus-article-press-button)
+ map))
+
+(defvar gnus-mime-security-details-buffer nil)
+
+(defun gnus-mime-security-show-details (handle)
+ (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
+ (if details
+ (progn
+ (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
+ (with-current-buffer gnus-mime-security-details-buffer
+ (erase-buffer)
+ t)
+ (setq gnus-mime-security-details-buffer
+ (gnus-get-buffer-create "*MIME Security Details*")))
+ (with-current-buffer gnus-mime-security-details-buffer
+ (insert details))
+ (pop-to-buffer gnus-mime-security-details-buffer))
+ (gnus-message 5 "No details."))))
+
+(defun gnus-insert-mime-security-button (handle &optional displayed)
+ (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
+ (gnus-tmp-type
+ (concat
+ (or (nth 2 (assoc protocol mm-verify-function-alist))
+ (nth 2 (assoc protocol mm-decrypt-function-alist))
+ "Unknown")
+ (if (equal (car handle) "multipart/signed")
+ " Signed" " Encrypted")))
+ (gnus-tmp-info
+ (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
+ "Undecided"))
+ b e)
+ (unless (bolp)
+ (insert "\n"))
+ (setq b (point))
+ (gnus-eval-format
+ gnus-mime-security-button-line-format
+ gnus-mime-security-button-line-format-alist
+ `(local-map ,gnus-mime-security-button-map
+ keymap ,gnus-mime-security-button-map
+ gnus-callback gnus-mime-security-show-details
+ article-type annotation
+ gnus-data ,handle))
+ (setq e (point))
+ (widget-convert-button
+ 'link b e
+ :mime-handle handle
+ :action 'gnus-widget-press-button
+ :button-keymap gnus-mime-security-button-map
+ :help-echo
+ (lambda (widget/window &optional overlay pos)
+ ;; Needed to properly clear the message due to a bug in
+ ;; wid-edit (XEmacs only).
+ (if (boundp 'help-echo-owns-message)
+ (setq help-echo-owns-message t))
+ (format
+ "%S: show detail"
+ (aref gnus-mouse-2 0))))))
+