;;; gnus-nocem.el --- NoCeM pseudo-cancellation treatment
-;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; 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" "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.
+
+This can also be a list of `(ISSUER CONDITIONS)' elements."
:group 'gnus-nocem
- :type '(repeat string))
+ :type '(repeat (choice string sexp)))
(defcustom gnus-nocem-directory
(nnheader-concat gnus-article-save-directory "NoCeM/")
(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)
(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
(gnus-message 7 "Checking article %d in %s for NoCeM..."
(mail-header-number header) group)
(let ((date (mail-header-date header))
- issuer b e)
+ issuer b e type)
(when (or (not date)
(nnmail-time-less
(nnmail-time-since (nnmail-date-to-time date))
(setq e (search-forward "\n@@BEGIN NCM BODY\n" nil t)))
;; We get the name of the issuer.
(narrow-to-region b e)
- (setq issuer (mail-fetch-field "issuer"))
+ (setq issuer (mail-fetch-field "issuer")
+ type (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..
- (push (mail-header-message-id header) ; But don't come back for
- gnus-nocem-seen-message-ids)))))) ; second helpings.
+ (if (not (gnus-nocem-message-wanted-p issuer type))
+ (message "invalid NoCeM issuer: %s" issuer)
+ (and (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-message-wanted-p (issuer type)
+ (let ((issuers gnus-nocem-issuers)
+ wanted conditions condition)
+ (cond
+ ;; Do the quick check first.
+ ((member issuer issuers)
+ t)
+ ((setq conditions (cdr (assoc issuer issuers)))
+ ;; Check whether we want this type.
+ (while (setq condition (pop conditions))
+ (cond
+ ((stringp condition)
+ (setq wanted (string-match condition type)))
+ ((and (consp condition)
+ (eq (car condition) 'not)
+ (stringp (cadr condition)))
+ (setq wanted (not (string-match (cadr condition) type))))
+ (t
+ (error "Invalid NoCeM condition: %S" condition))))
+ wanted))))
(defun gnus-nocem-verify-issuer (person)
"Verify using PGP that the canceler is who she says she is."
;; Make sure all entries in the hashtb are bound.
(set group nil))
(t
- (when (gnus-gethash (symbol-name group) gnus-newsrc-hashtb)
+ (when (gnus-gethash (gnus-group-real-name (symbol-name group))
+ gnus-nocem-real-group-hashtb)
;; Valid group.
(beginning-of-line)
- (while (= (char-after (point)) ?\t)
+ (while (= (following-char) ?\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 (= (char-after (point)) ?\t)
+ (while (= (following-char) ?\t)
(forward-line 1))))))
(when ncm
(setq gnus-nocem-touched-alist t)
"Save the NoCeM cache."
(when (and gnus-nocem-alist
gnus-nocem-touched-alist)
- (nnheader-temp-write (gnus-nocem-cache-file)
+ (with-temp-file (gnus-nocem-cache-file)
(gnus-prin1 `(setq gnus-nocem-alist ',gnus-nocem-alist)))
(setq gnus-nocem-touched-alist nil)))
(defun gnus-nocem-save-active ()
"Save the NoCeM active file."
- (nnheader-temp-write (gnus-nocem-active-file)
+ (with-temp-file (gnus-nocem-active-file)
(gnus-prin1 `(setq gnus-nocem-active ',gnus-nocem-active))))
(defun gnus-nocem-alist-to-hashtb ()
gnus-nocem-hashtb nil
gnus-nocem-active nil
gnus-nocem-touched-alist nil
- gnus-nocem-seen-message-ids nil))
+ gnus-nocem-seen-message-ids nil
+ gnus-nocem-real-group-hashtb nil))
(defun gnus-nocem-unwanted-article-p (id)
"Say whether article ID in the current group is wanted."
- (gnus-gethash id gnus-nocem-hashtb))
+ (and gnus-nocem-hashtb
+ (gnus-gethash id gnus-nocem-hashtb)))
(provide 'gnus-nocem)
projects / gnus / blobdiff