;;; gnus-nocem.el --- NoCeM pseudo-cancellation treatment
-;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; This file is part of GNU Emacs.
;;; Code:
+(eval-when-compile (require 'cl))
+
(require 'gnus)
(require 'nnmail)
(require 'gnus-art)
(defcustom gnus-nocem-groups
'("news.lists.filters" "news.admin.net-abuse.bulletins"
"alt.nocem.misc" "news.admin.net-abuse.announce")
- "List of groups that will be searched for NoCeM messages."
+ "*List of groups that will be searched for NoCeM messages."
:group 'gnus-nocem
: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!
- )
- "List of NoCeM issuers to pay attention to."
+ '("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 CONDITION ...)' elements.
+
+See <URL:http://www.xs4all.nl/~rosalind/nocemreg/nocemreg.html> for an
+issuer registry."
:group 'gnus-nocem
- :type '(repeat string))
+ :type '(repeat (choice string sexp)))
(defcustom gnus-nocem-directory
(nnheader-concat gnus-article-save-directory "NoCeM/")
: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
(defvar gnus-nocem-active nil)
(defun gnus-nocem-cache-file ()
(concat (file-name-as-directory gnus-nocem-directory) "cache"))
+;;
+;; faster lookups for group names:
+;;
+
+(defvar gnus-nocem-real-group-hashtb nil
+ "Real-name mappings of subscribed groups.")
+
+(defun gnus-fill-real-hashtb ()
+ "Fill up a hash table with the real-name mappings from the user's active file."
+ (setq gnus-nocem-real-group-hashtb (gnus-make-hashtable
+ (length gnus-newsrc-alist)))
+ (mapcar (lambda (group)
+ (setq group (gnus-group-real-name (car group)))
+ (gnus-sethash group t gnus-nocem-real-group-hashtb))
+ gnus-newsrc-alist))
+
(defun gnus-nocem-scan-groups ()
"Scan all NoCeM groups for new NoCeM messages."
(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)
+ ;; Get the group name mappings:
+ (gnus-fill-real-hashtb)
;; Read the active file if it hasn't been read yet.
(and (file-exists-p (gnus-nocem-active-file))
(not gnus-nocem-active)
(save-excursion
(let ((dependencies (make-vector 10 nil))
headers header)
- (nnheader-temp-write nil
+ (with-temp-buffer
(setq headers
(if (eq 'nov
(gnus-retrieve-headers
;; 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)
projects / gnus / blobdiff