;;; The integration with Gnus is not yet complete. See various `FIXME'
;;; comments, below, for supplementary explanations or discussions.
+;;; Several TODO items are marked as such
+
;;; Code:
(require 'gnus-sum)
-;; FIXME! We should not require `dns' nor `message' until we actually
-;; need them. Best would be to declare needed functions as auto-loadable.
-(require 'dns)
+;; FIXME! We should not require `message' until we actually need
+;; them. Best would be to declare needed functions as auto-loadable.
(require 'message)
;; Attempt to load BBDB macros
(eval-and-compile
(autoload 'query-dig "dig"))
-;;; Main parameters.
-
-(defvar spam-use-dig t
- "True if query-dig should be used instead of query-dns.")
-
-(defvar spam-use-blacklist t
- "True if the blacklist should be used.")
-
-(defvar spam-use-whitelist nil
- "True if the whitelist should be used.")
-
-(defvar spam-use-blackholes nil
- "True if blackholes should be used.")
-
-(defvar spam-use-bogofilter nil
- "True if bogofilter should be used.")
-
-(defvar spam-use-bbdb nil
- "True if BBDB should be used.")
-
-(defvar spam-use-ifile nil
- "True if ifile should be used.")
-
-(defvar spam-split-group "spam"
- "Usual group name where spam should be split.")
+;; autoload query-dns
+(eval-and-compile
+ (autoload 'query-dns "dns"))
-(defvar spam-junk-mailgroups
- ;; FIXME! The mailgroup list evidently depends on other choices made by the
- ;; user, so the built-in default below is not likely to be appropriate.
- (cons spam-split-group '("mail.junk" "poste.pourriel"))
- "Mailgroups which are dedicated by splitting to receive various junk.
-All unmarked article in such group receive the spam mark on group entry.")
+;;; Main parameters.
-;; FIXME! For `spam-ham-marks' and `spam-spam-marks', I wonder if it would
-;; not be easier for the user to just accept a string of mark letters, instead
-;; of a list of Gnus variable names. In such case, the stunt of deferred
-;; evaluation would not be useful anymore. Lars?? :-)
+(defgroup spam nil
+ "Spam configuration.")
-;; FIXME! It is rather questionable to see `K', `X' and `Y' as indicating
-;; positive ham. It much depends on how and why people use kill files, score
-;; files, and the kill command. Maybe it would be better, by default, to not
-;; process a message neither as ham nor spam, that is, just ignore it for
-;; learning purposes, when we are not sure of how the user sees it.
-;; But `r' and `R' should undoubtedly be seen as ham.
+(defcustom spam-directory "~/News/spam/"
+ "Directory for spam whitelists and blacklists."
+ :type 'directory
+ :group 'spam)
-;; FIXME! Some might consider overkill to define a list of spam marks. On
-;; the other hand, who knows, some users might for example like that
-;; explicitly `E'xpired articles be processed as positive spam.
+(defcustom spam-whitelist (expand-file-name "whitelist" spam-directory)
+ "The location of the whitelist.
+The file format is one regular expression per line.
+The regular expression is matched against the address."
+ :type 'file
+ :group 'spam)
-(defvar spam-ham-marks
- (list gnus-del-mark gnus-read-mark gnus-killed-mark
- gnus-kill-file-mark gnus-low-score-mark)
+(defcustom spam-blacklist (expand-file-name "blacklist" spam-directory)
+ "The location of the blacklist.
+The file format is one regular expression per line.
+The regular expression is matched against the address."
+ :type 'file
+ :group 'spam)
+
+(defcustom spam-use-dig t
+ "Whether query-dig should be used instead of query-dns."
+ :type 'boolean
+ :group 'spam)
+
+(defcustom spam-use-blacklist t
+ "Whether the blacklist should be used by spam-split."
+ :type 'boolean
+ :group 'spam)
+
+(defcustom spam-use-whitelist nil
+ "Whether the whitelist should be used by spam-split."
+ :type 'boolean
+ :group 'spam)
+
+(defcustom spam-use-blackholes nil
+ "Whether blackholes should be used by spam-split."
+ :type 'boolean
+ :group 'spam)
+
+(defcustom spam-use-bogofilter nil
+ "Whether bogofilter should be used by spam-split."
+ :type 'boolean
+ :group 'spam)
+
+(defcustom spam-use-bbdb nil
+ "Whether BBDB should be used by spam-split."
+ :type 'boolean
+ :group 'spam)
+
+(defcustom spam-use-ifile nil
+ "Whether ifile should be used by spam-split."
+ :type 'boolean
+ :group 'spam)
+
+(defcustom spam-split-group "spam"
+ "Group name where incoming spam should be put by spam-split."
+ :type 'string
+ :group 'spam)
+
+;; FIXME! The mailgroup list evidently depends on other choices made by the
+;; user, so the built-in default below is not likely to be appropriate.
+(defcustom spam-junk-mailgroups (cons spam-split-group '("mail.junk" "poste.pourriel"))
+ "Mailgroups with spam contents.
+All unmarked article in such group receive the spam mark on group entry."
+ :type '(repeat (string :tag "Group"))
+ :group 'spam)
+
+(defcustom spam-blackhole-servers '("bl.spamcop.net" "relays.ordb.org" "dev.null.dk" "relays.visi.com")
+ "List of blackhole servers."
+ :type '(repeat (string :tag "Server"))
+ :group 'spam)
+
+(defcustom spam-ham-marks (list gnus-del-mark gnus-read-mark gnus-killed-mark gnus-kill-file-mark gnus-low-score-mark)
"Marks considered as being ham (positively not spam).
-Such articles will be transmitted to `bogofilter -n' on group exit.")
+Such articles will be processed as ham (non-spam) on group exit."
+ :type '(repeat (character :tag "Mark"))
+ :group 'spam)
-(defvar spam-spam-marks
- (list gnus-spam-mark)
+(defcustom spam-spam-marks (list gnus-spam-mark)
"Marks considered as being spam (positively spam).
-Such articles will be transmitted to `bogofilter -s' on group exit.")
-
-;; FIXME! Ideally, the remainder of this page should be fully integrated
-;; within `gnus-sum.el'.
+Such articles will be transmitted to `bogofilter -s' on group exit."
+ :type '(repeat (character :tag "Mark"))
+ :group 'spam)
+
+(defcustom spam-face 'gnus-splash-face
+ "Face for spam-marked articles"
+ :type 'face
+ :group 'spam)
+
+(defgroup spam-bogofilter nil
+ "Spam bogofilter configuration."
+ :group 'spam)
+
+(defcustom spam-bogofilter-output-buffer-name "*Bogofilter Output*"
+ "Name of buffer when displaying `bogofilter -v' output."
+ :type 'string
+ :group 'spam-bogofilter)
+
+(defcustom spam-bogofilter-initial-timeout 40
+ "Timeout in seconds for the initial reply from the `bogofilter' program."
+ :type 'integer
+ :group 'spam-bogofilter)
+
+(defcustom spam-bogofilter-subsequent-timeout 15
+ "Timeout in seconds for any subsequent reply from the `bogofilter' program."
+ :type 'integer
+ :group 'spam-bogofilter)
+
+(defcustom spam-bogofilter-path (executable-find "bogofilter")
+ "File path of the Bogofilter executable program."
+ :type '(choice (file :tag "Location of bogofilter")
+ (const :tag "Bogofilter is not installed"))
+ :group 'spam-bogofilter)
+
+;; FIXME! In the following regexp, we should explain which tool produces
+;; which kind of header. I do not even remember them all by now. X-Junk
+;; (and previously X-NoSpam) are produced by the `NoSpam' tool, which has
+;; never been published, so it might not be reasonable leaving it in the
+;; list.
+(defcustom spam-bogofilter-spaminfo-header-regexp "^X-\\(jf\\|Junk\\|NoSpam\\|Spam\\|SB\\)[^:]*:"
+ "Regexp for spam markups in headers.
+Markup from spam recognisers, as well as `Xref', are to be removed from
+articles before they get registered by Bogofilter."
+ :type 'regexp
+ :group 'spam-bogofilter)
;;; Key bindings for spam control.
-;; FIXME! The justification for `M-d' is that this is what Paul Graham
-;; suggests in his original article, and what Eric Raymond's patch for Mutt
-;; uses. But more importantly, that binding was still free in Summary mode!
-
-;; FIXME! Lars has not blessed the following key bindings yet. It looks
-;; convenient that the score analysis command uses a sequence ending with the
-;; letter `t', so it nicely parallels `B t' or `V t'. `M-d' is a kind of
-;; "alternate" `d', it is also the sequence suggested in Paul Graham article,
-;; and also in Eric Raymond's patch for Mutt. `S x' might be the more
-;; official key binding for `M-d'.
-
(gnus-define-keys gnus-summary-mode-map
"St" spam-bogofilter-score
"Sx" gnus-summary-mark-as-spam
;;; How to highlight a spam summary line.
-;; FIXME! Of course, `gnus-splash-face' has another purpose. Maybe a
-;; special face should be created, named and used instead, for spam lines.
+;; TODO: How do we redo this every time spam-face is customized?
-(push '((eq mark gnus-spam-mark) . gnus-splash-face)
+(push '((eq mark gnus-spam-mark) . spam-face)
gnus-summary-highlight)
;;; Hooks dispatching. A bit raw for now.
\f
;;;; Blackholes.
-(defvar spam-blackhole-servers '("bl.spamcop.net"
- "relays.ordb.org"
- "dev.null.dk"
- "relays.visi.com")
- "List of blackhole servers.")
-
(defun spam-check-blackholes ()
"Check the Received headers for blackholed relays."
(let ((headers (message-fetch-field "received"))
\f
;;;; Blacklists and whitelists.
-(defvar spam-directory "~/News/spam/"
- "When spam files are kept.")
-
-(defvar spam-whitelist (expand-file-name "whitelist" spam-directory)
- "The location of the whitelist.
-The file format is one regular expression per line.
-The regular expression is matched against the address.")
-
-(defvar spam-blacklist (expand-file-name "blacklist" spam-directory)
- "The location of the blacklist.
-The file format is one regular expression per line.
-The regular expression is matched against the address.")
-
(defvar spam-whitelist-cache nil)
(defvar spam-blacklist-cache nil)
spam-list-of-checks))))
;;; check the ifile backend; return nil if the mail was NOT classified as spam
-(condition-case nil
- (progn
- (require 'ifile-gnus)
- ;;;
- (defun spam-check-ifile ()
- (let ((ifile-primary-spam-group spam-split-group))
- (ifile-spam-filter nil))))
- (file-error (setq spam-list-of-checks
- (delete (assoc 'spam-use-ifile spam-list-of-checks)
- spam-list-of-checks))))
+;;; TODO: we can't (require) ifile, because it will insinuate itself automatically
+(defun spam-check-ifile ()
+ (let ((ifile-primary-spam-group spam-split-group))
+ (ifile-spam-filter nil)))
(defun spam-check-blacklist ()
;; FIXME! Should it detect when file timestamps change?
;;; * ? bogofilter
;;; | formail -bfI "X-Spam-Status: Yes"
-(defvar spam-output-buffer-name "*Bogofilter Output*"
- "Name of buffer when displaying `bogofilter -v' output.")
-
-(defvar spam-spaminfo-header-regexp
- ;; FIXME! In the following regexp, we should explain which tool produces
- ;; which kind of header. I do not even remember them all by now. X-Junk
- ;; (and previously X-NoSpam) are produced by the `NoSpam' tool, which has
- ;; never been published, so it might not be reasonable leaving it in the
- ;; list.
- "^X-\\(jf\\|Junk\\|NoSpam\\|Spam\\|SB\\)[^:]*:"
- "Regexp for spam markups in headers.
-Markup from spam recognisers, as well as `Xref', are to be removed from
-articles before they get registered by Bogofilter.")
-
-(defvar spam-bogofilter-path (executable-find "bogofilter")
- "File path of the Bogofilter executable program.
-Force this variable to nil if you want to inhibit the functionality.")
-
(defun spam-check-bogofilter ()
;; Dynamic spam check. I do not know how to check the exit status,
;; so instead, read `bogofilter -v' output.
(when (and spam-use-bogofilter spam-bogofilter-path)
(spam-bogofilter-articles nil "-v" (list (gnus-summary-article-number)))
(when (save-excursion
- (set-buffer spam-output-buffer-name)
+ (set-buffer spam-bogofilter-output-buffer-name)
(goto-char (point-min))
(re-search-forward "Spamicity: \\(0\\.9\\|1\\.0\\)" nil t))
spam-split-group)))
(interactive)
(when (and spam-use-bogofilter spam-bogofilter-path)
(spam-bogofilter-articles nil "-v" (list (gnus-summary-article-number)))
- (with-current-buffer spam-output-buffer-name
+ (with-current-buffer spam-bogofilter-output-buffer-name
(unless (zerop (buffer-size))
(if (<= (count-lines (point-min) (point-max)) 1)
(progn
(when spam-articles
(spam-bogofilter-articles "SPAM" "-s" spam-articles)))))
-(defvar spam-bogofilter-initial-timeout 40
- "Timeout in seconds for the initial reply from the `bogofilter' program.")
-
-(defvar spam-bogofilter-subsequent-timeout 15
- "Timeout in seconds for any subsequent reply from the `bogofilter' program.")
-
(defun spam-bogofilter-articles (type option articles)
- (let ((output-buffer (get-buffer-create spam-output-buffer-name))
+ (let ((output-buffer (get-buffer-create spam-bogofilter-output-buffer-name))
(article-copy (get-buffer-create " *Bogofilter Article Copy*"))
- (remove-regexp (concat spam-spaminfo-header-regexp "\\|Xref:"))
+ (remove-regexp (concat spam-bogofilter-spaminfo-header-regexp "\\|Xref:"))
(counter 0)
prefix process article)
(when type