From 283d6f67b710ebff88aa8cc553ef8a288578d2cb Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Thu, 26 Feb 2004 22:26:49 +0000
Subject: [PATCH] Synch to No Gnus 200402262223.

---
 lisp/ChangeLog    |    4 +++
 lisp/spam-wash.el |   74 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 lisp/spam-wash.el

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index e13db9f..5d41515 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2004-02-26  Andrew Cohen <cohen@andy.bu.edu>
+
+	* spam-wash.el: New file.
+
 2004-02-26  Mark A. Hershberger <mah@everybody.org> 
 
 	* nnrss.el (nnrss-opml-import, nnrss-opml-export): New functions.
diff --git a/lisp/spam-wash.el b/lisp/spam-wash.el
new file mode 100644
index 0000000..be91cdf
--- /dev/null
+++ b/lisp/spam-wash.el
@@ -0,0 +1,74 @@
+;;; spam-wash.el --- wash spam before analysis
+
+;; Copyright (C) 2004 Free Software Foundation, Inc.
+
+;; Author: Andrew Cohen <cohen@andy.bu.edu>
+;; Keywords: mail
+
+;; This file is part of GNU Emacs.
+
+;; This 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.
+
+;; This 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:
+
+;; This library decodes MIME encodings such as base64 and
+;; quoted-printable to allow for better spam analysis.
+;;
+;; `spam-wash' should be called in a buffer containing the message.
+
+;;; Code:
+
+(require 'gnus-art)
+
+(defun spam-wash ()
+  "Treat the current buffer prior to spam analysis."
+  (interactive)
+  (run-hooks 'gnus-article-decode-hook)
+  (save-excursion
+    (save-restriction
+      (let* ((buffer-read-only  nil)
+	     (gnus-inhibit-treatment t)
+	     (gnus-article-buffer (current-buffer))
+	     (handles (or (mm-dissect-buffer nil gnus-article-loose-mime)
+			  (and gnus-article-emulate-mime
+			       (mm-uu-dissect))))
+	     handle)
+	  (when gnus-article-mime-handles
+	    (mm-destroy-parts gnus-article-mime-handles)
+	    (setq gnus-article-mime-handle-alist nil))
+	  (setq gnus-article-mime-handles handles)
+	  (when (and handles
+		   (or (not (stringp (car handles)))
+		       (cdr handles)))
+		(article-goto-body)
+		(delete-region (point) (point-max))
+		(spam-treat-parts handles))))))
+
+(defun spam-treat-parts (handle)
+  (if (stringp (car handle))
+      (mapcar 'spam-treat-parts (cdr handle))
+    (if (bufferp (car handle))
+	(save-restriction
+	  (narrow-to-region (point) (point))
+	(when (let ((case-fold-search t))
+		(string-match "text" (car (mm-handle-type handle))))
+	  (mm-insert-part handle))
+	  (goto-char (point-max)))
+      (mapcar 'spam-treat-parts handle))))
+
+(provide 'spam-wash)
+
+;;; spam-wash.el ends here
-- 
1.7.10.4