;;; gnus-nocem.el --- NoCeM pseudo-cancellation treatment
-;; Copyright (C) 1995,96 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news
(require 'gnus)
(require 'nnmail)
(require 'gnus-art)
+(require 'gnus-sum)
(require 'gnus-range)
(defgroup gnus-nocem nil
"NoCeM pseudo-cancellation treatment"
:group 'gnus-score)
-(defcustom gnus-nocem-groups
- '("alt.nocem.misc" "news.admin.net-abuse.announce")
+(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."
:group 'gnus-nocem
:type '(repeat (string :tag "Group")))
-(defcustom gnus-nocem-issuers
+(defcustom gnus-nocem-issuers
'("AutoMoose-1" "Automoose-1" ; CancelMoose[tm]
"rbraver@ohww.norman.ok.us" ; Robert Braver
"clewis@ferret.ocunix.on.ca;" ; Chris Lewis
:group 'gnus-nocem
:type '(repeat string))
-(defcustom gnus-nocem-directory
+(defcustom gnus-nocem-directory
(nnheader-concat gnus-article-save-directory "NoCeM/")
"*Directory where NoCeM files will be stored."
:group 'gnus-nocem
:type '(radio (function-item mc-verify)
(function :tag "other")))
+(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 messsage-id
+matches an previously scanned and verified nocem message."
+ :group 'gnus-nocem
+ :type 'boolean)
+
;;; Internal variables
(defvar gnus-nocem-active nil)
(defvar gnus-nocem-alist nil)
(defvar gnus-nocem-touched-alist nil)
(defvar gnus-nocem-hashtb nil)
+(defvar gnus-nocem-seen-message-ids nil)
;;; Functions
;; Read the active file if it hasn't been read yet.
(and (file-exists-p (gnus-nocem-active-file))
(not gnus-nocem-active)
- (condition-case ()
- (load (gnus-nocem-active-file) t t t)
- (error nil)))
+ (ignore-errors
+ (load (gnus-nocem-active-file) t t t)))
;; Go through all groups and see whether new articles have
- ;; arrived.
+ ;; arrived.
(while (setq group (pop groups))
(if (not (setq gactive (gnus-activate-group group)))
() ; This group doesn't exist.
;; headers.
(save-excursion
(let ((dependencies (make-vector 10 nil))
- headers)
+ headers header)
(nnheader-temp-write nil
(setq headers
(if (eq 'nov
- (gnus-retrieve-headers
+ (gnus-retrieve-headers
(setq articles
(gnus-uncompress-range
- (cons
+ (cons
(if active (1+ (cdr active))
(car gactive))
(cdr gactive))))
group))
- (gnus-get-newsgroup-headers-xover
+ (gnus-get-newsgroup-headers-xover
articles nil dependencies)
(gnus-get-newsgroup-headers dependencies)))
- (while headers
+ (while (setq header (pop headers))
;; We take a closer look on all articles that have
- ;; "@@NCM" in the subject.
- (when (string-match "@@NCM"
- (mail-header-subject (car headers)))
- (gnus-nocem-check-article group (car headers)))
- (setq headers (cdr headers)))))))
+ ;; "@@NCM" in the subject. Unless we already read
+ ;; this cross posted message. Nocem messages
+ ;; are not allowed to have references, so we can
+ ;; ignore scanning followups.
+ (and (string-match "@@NCM" (mail-header-subject header))
+ (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)))))))
(setq gnus-nocem-active
(cons (list group gactive)
(delq (assoc group gnus-nocem-active)
(let ((date (mail-header-date header))
issuer b e)
(when (or (not date)
- (nnmail-time-less
+ (nnmail-time-less
(nnmail-time-since (nnmail-date-to-time date))
(nnmail-days-to-time gnus-nocem-expiry-wait)))
(gnus-request-article-this-buffer (mail-header-number header) group)
(narrow-to-region b e)
(setq issuer (mail-fetch-field "issuer"))
(widen)
- (and (member issuer gnus-nocem-issuers) ; We like her...
- (gnus-nocem-verify-issuer issuer) ; She is who she says she is..
- (gnus-nocem-enter-article)))))) ; We gobble the message.
-
+ (and (member issuer gnus-nocem-issuers) ; We like her....
+ (gnus-nocem-verify-issuer issuer) ; She is who she says she is...
+ (gnus-nocem-enter-article) ; We gobble the message..
+ (push (mail-header-message-id header) ; But don't come back for
+ gnus-nocem-seen-message-ids)))))) ; second helpings.
+
(defun gnus-nocem-verify-issuer (person)
"Verify using PGP that the canceler is who she says she is."
(if (fboundp gnus-nocem-verifyer)
(narrow-to-region b (1+ (match-beginning 0)))
(goto-char (point-min))
(while (search-forward "\t" nil t)
- (condition-case nil
- (setq group (let ((obarray gnus-active-hashtb)) (read buf)))
- (error nil))
- (if (not (boundp group))
- ;; Make sure all entries in the hashtb are bound.
- (set group nil)
+ (cond
+ ((not (ignore-errors
+ (setq group (let ((obarray gnus-active-hashtb)) (read buf)))))
+ ;; An error.
+ )
+ ((not (symbolp group))
+ ;; Ignore invalid entries.
+ )
+ ((not (boundp group))
+ ;; Make sure all entries in the hashtb are bound.
+ (set group nil))
+ (t
(when (gnus-gethash (symbol-name group) gnus-newsrc-hashtb)
;; Valid group.
(beginning-of-line)
(while (= (following-char) ?\t)
(forward-line -1))
(setq id (buffer-substring (point) (1- (search-forward "\t"))))
- (push id ncm)
- (gnus-sethash id t gnus-nocem-hashtb)
+ (unless (gnus-gethash id gnus-nocem-hashtb)
+ ;; only store if not already present
+ (gnus-sethash id t gnus-nocem-hashtb)
+ (push id ncm))
(forward-line 1)
(while (= (following-char) ?\t)
- (forward-line 1)))))
+ (forward-line 1))))))
(when ncm
(setq gnus-nocem-touched-alist t)
(push (cons (let ((time (current-time))) (setcdr (cdr time) nil) time)
ncm)
- gnus-nocem-alist)))))
+ gnus-nocem-alist))
+ t)))
(defun gnus-nocem-load-cache ()
"Load the NoCeM cache."
+ (interactive)
(unless gnus-nocem-alist
;; The buffer doesn't exist, so we create it and load the NoCeM
- ;; cache.
+ ;; cache.
(when (file-exists-p (gnus-nocem-cache-file))
(load (gnus-nocem-cache-file) t t t)
(gnus-nocem-alist-to-hashtb))))
-
+
(defun gnus-nocem-save-cache ()
"Save the NoCeM cache."
(when (and gnus-nocem-alist
(setq gnus-nocem-alist nil
gnus-nocem-hashtb nil
gnus-nocem-active nil
- gnus-nocem-touched-alist nil))
+ gnus-nocem-touched-alist nil
+ gnus-nocem-seen-message-ids nil))
(defun gnus-nocem-unwanted-article-p (id)
"Say whether article ID in the current group is wanted."
projects / gnus / blobdiff