1 ;;; elsp-sa.el --- SpamAssassin support for elmo-spam.
2 ;; Copyright (C) 2004 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
5 ;; Keywords: mail, net news, spam
7 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
9 ;; This program is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; This program is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
32 (defgroup elmo-spam-spamassassin nil
33 "Spam SpamAssassin configuration."
36 (defcustom elmo-spam-spamassassin-program "spamassassin"
37 "Program name for SpamAssassin."
38 :type '(file :tag "Program name of SpamAssassin.")
39 :group 'elmo-spam-spamassassin)
41 (defcustom elmo-spam-spamassassin-learn-program "sa-learn"
42 "Program name for SpamAssassin Learner."
43 :type '(file :tag "Program name of SpamAssassin Learner.")
44 :group 'elmo-spam-spamassassin)
46 (defcustom elmo-spam-spamassassin-program-arguments '("-e")
47 "Program argument list for SpamAssassin."
48 :type '(file :tag "Program name of SpamAssassin Learner.")
49 :group 'elmo-spam-spamassassin)
51 (defcustom elmo-spam-spamassassin-learn-program-arguments nil
52 "Program argument list for SpamAssassin Learner."
53 :type '(file :tag "Program name of SpamAssassin Learner.")
54 :group 'elmo-spam-spamassassin)
56 (defcustom elmo-spam-spamassassin-max-messages-per-process 30
57 "Number of messages processed at once."
59 :group 'elmo-spam-spamassassin)
61 (defcustom elmo-spamassassin-debug nil
62 "Non-nil to debug elmo spamassassin spam backend."
64 :group 'elmo-spam-spamassassin)
67 (luna-define-class elsp-sa (elsp-generic))
68 (luna-define-internal-accessors 'elsp-sa))
70 (defun elmo-spamassassin-call (type &rest args)
73 (cons elmo-spam-spamassassin-program
74 elmo-spam-spamassassin-program-arguments))
77 elmo-spam-spamassassin-learn-program
78 elmo-spam-spamassassin-learn-program-arguments))
79 (t (error "Internal error")))))
80 (apply #'call-process-region
81 (point-min) (point-max)
83 nil (if elmo-spamassassin-debug
84 (get-buffer-create "*Debug ELMO SpamAssassin*"))
85 nil (delq nil (append (cdr pair) args)))))
87 (luna-define-method elmo-spam-buffer-spam-p ((processor elsp-sa)
88 buffer &optional register)
89 (let ((result (with-current-buffer buffer
90 (not (eq 0 (elmo-spamassassin-call 'check))))))
93 (elmo-spam-register-spam-buffer processor buffer)
94 (elmo-spam-register-good-buffer processor buffer)))
97 (luna-define-method elmo-spam-register-spam-buffer ((processor elsp-sa)
98 buffer &optional restore)
99 (with-current-buffer buffer
100 (eq 0 (apply 'elmo-spamassassin-call 'learn
103 (luna-define-method elmo-spam-register-good-buffer ((processor elsp-sa)
104 buffer &optional restore)
105 (with-current-buffer buffer
106 (eq 0 (apply 'elmo-spamassassin-call 'learn
109 (defsubst elmo-spam-spamassassin-register-messages (folder
113 (if (not (< 0 elmo-spam-spamassassin-max-messages-per-process))
115 "non-positive value for `elmo-spam-spamassassin-max-messages-per-process'"))
120 (< count elmo-spam-spamassassin-max-messages-per-process))
121 (insert "From MAILER-DAEMON@example.com\n"
123 (elmo-spam-message-fetch folder (car numbers))
124 (goto-char (point-min))
125 (while (re-search-forward "^>*From " nil t)
126 (goto-char (match-beginning 0))
129 (buffer-substring (point-min) (point-max)))
131 (setq count (1+ count)
132 numbers (cdr numbers)))
133 (apply 'elmo-spamassassin-call 'learn
136 (if spam "--spam" "--ham"))))
137 (elmo-progress-notify 'elmo-spam-register count)
140 (luna-define-method elmo-spam-register-spam-messages :around
141 ((processor elsp-sa) folder &optional numbers restore)
142 (let ((numbers (or numbers (elmo-folder-list-messages folder t t))))
143 (if (> (length numbers) 1)
144 (elmo-spam-spamassassin-register-messages folder numbers t restore)
145 (luna-call-next-method))))
147 (luna-define-method elmo-spam-register-good-messages :around
148 ((processor elsp-sa) folder &optional numbers restore)
149 (let ((numbers (or numbers (elmo-folder-list-messages folder t t))))
150 (if (> (length numbers) 1)
151 (elmo-spam-spamassassin-register-messages folder numbers nil restore)
152 (luna-call-next-method))))
155 (product-provide (provide 'elsp-sa) (require 'elmo-version))
157 ;;; elsp-sa.el ends here