;;; gnus-nocem.el --- NoCeM pseudo-cancellation treatment
-;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc.
+
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002
+;; Free Software Foundation, Inc.
+
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
:type '(repeat (string :tag "Group")))
(defcustom gnus-nocem-issuers
- '("AutoMoose-1" "Automoose-1" ; CancelMoose[tm]
- "rbraver@ohww.norman.ok.us" ; Robert Braver
- "clewis@ferret.ocunix.on.ca" ; Chris Lewis
- "jem@xpat.com" ; Despammer from Korea
- "snowhare@xmission.com" ; Benjamin "Snowhare" Franz
- "red@redpoll.mrfs.oh.us (Richard E. Depew)" ; ARMM! ARMM!
- )
+ '("AutoMoose-1" ; CancelMoose[tm]
+ "clewis@ferret.ocunix" ; Chris Lewis
+ "cosmo.roadkill"
+ "SpamHippo"
+ "hweede@snafu.de")
"*List of NoCeM issuers to pay attention to.
-This can also be a list of `(ISSUER CONDITIONS)' elements."
+This can also be a list of `(ISSUER CONDITION ...)' elements.
+
+See <URL:http://www.xs4all.nl/~rosalind/nocemreg/nocemreg.html> for an
+issuer registry."
:group 'gnus-nocem
+ :link '(url-link "http://www.xs4all.nl/~rosalind/nocemreg/nocemreg.html")
:type '(repeat (choice string sexp)))
(defcustom gnus-nocem-directory
(defcustom gnus-nocem-liberal-fetch nil
"*If t try to fetch all messages which have @@NCM in the subject.
Otherwise don't fetch messages which have references or whose message-id
-matches an previously scanned and verified nocem message."
+matches a previously scanned and verified nocem message."
+ :group 'gnus-nocem
+ :type 'boolean)
+
+(defcustom gnus-nocem-check-article-limit 500
+ "*If non-nil, the maximum number of articles to check in any NoCeM group."
+ :group 'gnus-nocem
+ :version "21.1"
+ :type '(choice (const :tag "unlimited" nil)
+ (integer 1000)))
+
+(defcustom gnus-nocem-check-from t
+ "Non-nil means check for valid issuers in message bodies.
+Otherwise don't bother fetching articles unless their author matches a
+valid issuer, which is much faster if you are selective about the issuers."
:group 'gnus-nocem
+ :version "21.1"
:type 'boolean)
;;; Internal variables
(interactive)
(let ((groups gnus-nocem-groups)
(gnus-inhibit-demon t)
- group active gactive articles)
+ group active gactive articles check-headers)
(gnus-make-directory gnus-nocem-directory)
;; Load any previous NoCeM headers.
(gnus-nocem-load-cache)
;; are not allowed to have references, so we can
;; ignore scanning followups.
(and (string-match "@@NCM" (mail-header-subject header))
+ (and gnus-nocem-check-from
+ (let ((case-fold-search t))
+ (catch 'ok
+ (mapcar
+ (lambda (author)
+ (if (consp author)
+ (setq author (car author)))
+ (if (string-match
+ author (mail-header-from header))
+ (throw 'ok t)))
+ gnus-nocem-issuers)
+ nil)))
(or gnus-nocem-liberal-fetch
(and (or (string= "" (mail-header-references
header))
(null (mail-header-references header)))
(not (member (mail-header-message-id header)
gnus-nocem-seen-message-ids))))
- (gnus-nocem-check-article group header)))))))
+ (push header check-headers)))
+ (let* ((i 0)
+ (check-headers
+ (last check-headers gnus-nocem-check-article-limit))
+ (len (length check-headers)))
+ (dolist (h check-headers)
+ (gnus-message
+ 7 "Checking article %d in %s for NoCeM (%d of %d)..."
+ (mail-header-number h) group (incf i) len)
+ (gnus-nocem-check-article group h)))))))
(setq gnus-nocem-active
(cons (list group gactive)
(delq (assoc group gnus-nocem-active)
(defun gnus-nocem-check-article (group header)
"Check whether the current article is an NCM article and that we want it."
;; Get the article.
- (gnus-message 7 "Checking article %d in %s for NoCeM..."
- (mail-header-number header) group)
(let ((date (mail-header-date header))
+ (gnus-newsgroup-name group)
issuer b e type)
(when (or (not date)
- (time-less
+ (time-less-p
(time-since (date-to-time date))
(days-to-time gnus-nocem-expiry-wait)))
(gnus-request-article-this-buffer (mail-header-number header) group)
gnus-nocem-real-group-hashtb)
;; Valid group.
(beginning-of-line)
- (while (= (following-char) ?\t)
+ (while (eq (char-after) ?\t)
(forward-line -1))
(setq id (buffer-substring (point) (1- (search-forward "\t"))))
(unless (gnus-gethash id gnus-nocem-hashtb)
(gnus-sethash id t gnus-nocem-hashtb)
(push id ncm))
(forward-line 1)
- (while (= (following-char) ?\t)
+ (while (eq (char-after) ?\t)
(forward-line 1))))))
(when ncm
(setq gnus-nocem-touched-alist t)
entry)
(setq gnus-nocem-hashtb (gnus-make-hashtable (* (length alist) 51)))
(while (setq entry (car alist))
- (if (not (subtract-time (time-since (car entry)) expiry))
+ (if (not (time-less-p (time-since (car entry)) expiry))
;; This entry has expired, so we remove it.
(setcdr prev (cdr alist))
(setq prev alist)