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;;; autocrypt-message.el --- Autocrypt for message-mode -*- lexical-binding:t -*-
;; Author: Philip K. <philip@warpmail.net>
;; Version: 0.4.0
;; Keywords: comm
;; Package-Requires: ((emacs "25.1"))
;; URL: https://git.sr.ht/~zge/autocrypt
;; This file is NOT part of Emacs.
;;
;; This file is in the public domain, to the extent possible under law,
;; published under the CC0 1.0 Universal license.
;;
;; For a full copy of the CC0 license see
;; https://creativecommons.org/publicdomain/zero/1.0/legalcode
;;; Commentary:
;; MUA specific functions for `message-mode'
;;
;; Setup with (add-hook 'message-mode-hook #'autocrypt-mode)
;;; Code:
(require 'message)
;;;###autoload
(cl-defmethod autocrypt-load-system ((_mode (derived-mode message-mode)))
"Load this module."
(require 'autocrypt-message))
(cl-defmethod autocrypt-install ((_mode (derived-mode message-mode)))
"Install autocrypt hooks for message mode."
(require 'autocrypt-message)
(add-hook 'message-setup-hook #'autocrypt-compose-setup)
(add-hook 'message-send-hook #'autocrypt-compose-pre-send)
(unless (lookup-key message-mode-map (kbd "C-c RET C-a"))
(define-key message-mode-map (kbd "C-c RET C-a") #'autocrypt-compose-setup)))
(defun autocrypt-message-uninstall ()
"Remove autocrypt hooks for message mode."
(remove-hook 'message-setup-hook #'autocrypt-compose-setup)
(remove-hook 'message-send-hook #'autocrypt-compose-pre-send)
(when (eq (lookup-key message-mode-map (kbd "C-c RET C-a"))
#'autocrypt-compose-setup)
(define-key message-mode-map (kbd "C-c RET C-a") nil)))
(cl-defmethod autocrypt-get-header ((_ (derived-mode message-mode))
header)
"Return the value for HEADER."
(message-fetch-field header))
(cl-defmethod autocrypt-add-header ((_mode (derived-mode message-mode))
header value)
"Insert HEADER with VALUE into the message head."
(message-add-header (concat header ": " value)))
(cl-defmethod autocrypt-sign-encrypt ((_mode (derived-mode message-mode)))
"Sign and encrypt message."
(mml-secure-message-sign-encrypt "pgpmime"))
(cl-defmethod autocrypt-sign-secure-attach ((_mode (derived-mode message-mode))
payload)
"Attach and encrypt buffer PAYLOAD."
(mml-attach-buffer payload)
(mml-secure-part "pgpmime")
(add-hook 'message-send-hook
(lambda () (kill-buffer payload))
nil t))
(cl-defmethod autocrypt-encrypted-p ((_mode (derived-mode message-mode)))
"Check if the current message is encrypted."
(mml-secure-is-encrypted-p))
(provide 'autocrypt-message)
;;; autocrypt-message.el ends here