| 1 | ;;; nngateway.el --- posting news via mail gateways |
| 2 | |
| 3 | ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
| 4 | ;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| 5 | |
| 6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
| 7 | ;; Keywords: news, mail |
| 8 | |
| 9 | ;; This file is part of GNU Emacs. |
| 10 | |
| 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| 12 | ;; it under the terms of the GNU General Public License as published by |
| 13 | ;; the Free Software Foundation, either version 3 of the License, or |
| 14 | ;; (at your option) any later version. |
| 15 | |
| 16 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | ;; GNU General Public License for more details. |
| 20 | |
| 21 | ;; You should have received a copy of the GNU General Public License |
| 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 23 | |
| 24 | ;;; Commentary: |
| 25 | |
| 26 | ;;; Code: |
| 27 | |
| 28 | (eval-when-compile (require 'cl)) |
| 29 | (require 'nnoo) |
| 30 | (require 'message) |
| 31 | |
| 32 | (nnoo-declare nngateway) |
| 33 | |
| 34 | (defvoo nngateway-address nil |
| 35 | "Address of the mail-to-news gateway.") |
| 36 | |
| 37 | (defvoo nngateway-header-transformation 'nngateway-simple-header-transformation |
| 38 | "Function to be called to rewrite the news headers into mail headers. |
| 39 | It is called narrowed to the headers to be transformed with one |
| 40 | parameter -- the gateway address.") |
| 41 | |
| 42 | ;;; Interface functions |
| 43 | |
| 44 | (nnoo-define-basics nngateway) |
| 45 | |
| 46 | (deffoo nngateway-open-server (server &optional defs) |
| 47 | (if (nngateway-server-opened server) |
| 48 | t |
| 49 | (unless (assq 'nngateway-address defs) |
| 50 | (setq defs (append defs (list (list 'nngateway-address server))))) |
| 51 | (nnoo-change-server 'nngateway server defs))) |
| 52 | |
| 53 | (deffoo nngateway-request-post (&optional server) |
| 54 | (when (or (nngateway-server-opened server) |
| 55 | (nngateway-open-server server)) |
| 56 | ;; Rewrite the header. |
| 57 | (let ((buf (current-buffer))) |
| 58 | (with-temp-buffer |
| 59 | (insert-buffer-substring buf) |
| 60 | (message-narrow-to-head) |
| 61 | (funcall nngateway-header-transformation nngateway-address) |
| 62 | (goto-char (point-max)) |
| 63 | (insert mail-header-separator "\n") |
| 64 | (widen) |
| 65 | (let (message-required-mail-headers) |
| 66 | (funcall (or message-send-mail-real-function |
| 67 | message-send-mail-function))) |
| 68 | t)))) |
| 69 | |
| 70 | ;;; Internal functions |
| 71 | |
| 72 | (defun nngateway-simple-header-transformation (gateway) |
| 73 | "Transform the headers to use GATEWAY." |
| 74 | (let ((newsgroups (mail-fetch-field "newsgroups"))) |
| 75 | (message-remove-header "to") |
| 76 | (message-remove-header "cc") |
| 77 | (goto-char (point-min)) |
| 78 | (insert "To: " (nnheader-replace-chars-in-string newsgroups ?. ?-) |
| 79 | "@" gateway "\n"))) |
| 80 | |
| 81 | (defun nngateway-mail2news-header-transformation (gateway) |
| 82 | "Transform the headers for sending to a mail2news gateway." |
| 83 | (message-remove-header "to") |
| 84 | (message-remove-header "cc") |
| 85 | (goto-char (point-min)) |
| 86 | (insert "To: " gateway "\n")) |
| 87 | |
| 88 | (nnoo-define-skeleton nngateway) |
| 89 | |
| 90 | (provide 'nngateway) |
| 91 | |
| 92 | ;; arch-tag: f7ecb92e-b10c-43d5-9a9b-1314233341fc |
| 93 | ;;; nngateway.el ends here |