--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/gnus/nngateway.el	Mon Aug 13 08:49:20 2007 +0200
@@ -0,0 +1,80 @@
+;;; nngateway.el --- posting news via mail gateways
+;; Copyright (C) 1996,97 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Keywords: news, mail
+
+;; This file is part of GNU Emacs.
+
+;; 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 'nnoo)
+(require 'message)
+
+(nnoo-declare nngateway)
+
+(defvoo nngateway-address nil
+  "Address of the mail-to-news gateway.")
+
+(defvoo nngateway-header-transformation 'nngateway-simple-header-transformation
+  "Function to be called to rewrite the news headers into mail headers.
+It is called narrowed to the headers to be transformed with one
+parameter -- the gateway address.")
+
+;;; Interface functions
+
+(nnoo-define-basics nngateway)
+
+(deffoo nngateway-open-server (server &optional defs)
+  (if (nngateway-server-opened server)
+      t
+    (unless (assq 'nngateway-address defs)
+      (setq defs (append defs (list (list 'nngateway-address server)))))
+    (nnoo-change-server 'nngateway server defs)))
+
+(deffoo nngateway-request-post (&optional server)
+  (when (or (nngateway-server-opened server)
+	    (nngateway-open-server server))
+    ;; Rewrite the header.
+    (let ((buf (current-buffer)))
+      (nnheader-temp-write nil
+	(insert-buffer-substring buf)
+	(message-narrow-to-head)
+	(funcall nngateway-header-transformation nngateway-address)
+	(widen)
+	(let (message-required-mail-headers)
+	  (message-send-mail))))))
+
+;;; Internal functions
+
+(defun nngateway-simple-header-transformation (gateway)
+  "Transform the headers to use GATEWAY."
+  (let ((newsgroups (mail-fetch-field "newsgroups")))
+    (message-remove-header "to")
+    (message-remove-header "cc")
+    (goto-char (point-min))
+    (insert "To: " (nnheader-replace-chars-in-string newsgroups ?. ?-)
+	    "@" gateway "\n")))
+
+(nnoo-define-skeleton nngateway)
+    
+(provide 'nngateway)
+
+;;; nngateway.el ends here