;;; gnus-nocem.el --- NoCeM pseudo-cancellation treatment
-;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004,
+;; 2005, 2006 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; This file is part of GNU Emacs.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(require 'gnus-range)
(defgroup gnus-nocem nil
- "NoCeM pseudo-cancellation treatment"
+ "NoCeM pseudo-cancellation treatment."
:group 'gnus-score)
(defcustom gnus-nocem-groups
: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
:group 'gnus-nocem
:type 'integer)
-(defcustom gnus-nocem-verifyer 'mc-verify
+(defcustom gnus-nocem-verifyer 'pgg-verify
"*Function called to verify that the NoCeM message is valid.
-One likely value is `mc-verify'. If the function in this variable
+One likely value is `pgg-verify'. If the function in this variable
isn't bound, the message will be used unconditionally."
:group 'gnus-nocem
- :type '(radio (function-item mc-verify)
+ :type '(radio (function-item pgg-verify)
+ (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 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
(defvar gnus-nocem-active 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)))
+ "Fill up a hash table with the real-name mappings from the user's active file."
+ (if (hash-table-p gnus-nocem-real-group-hashtb)
+ (clrhash gnus-nocem-real-group-hashtb)
+ (setq gnus-nocem-real-group-hashtb (make-hash-table :test 'equal)))
(mapcar (lambda (group)
(setq group (gnus-group-real-name (car group)))
- (gnus-sethash group t gnus-nocem-real-group-hashtb))
+ (puthash group t gnus-nocem-real-group-hashtb))
gnus-newsrc-alist))
+;;;###autoload
(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)
(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
+ (mapc
+ (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)))
+ (setq check-headers (last (nreverse check-headers)
+ gnus-nocem-check-article-limit))
+ (let ((i 0)
+ (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)
- (nnmail-time-less
- (nnmail-time-since (nnmail-date-to-time date))
- (nnmail-days-to-time gnus-nocem-expiry-wait)))
+ (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)
(goto-char (point-min))
- (when (re-search-forward "-----BEGIN PGP MESSAGE-----" nil t)
+ (when (re-search-forward
+ "-----BEGIN PGP\\(?: SIGNED\\)? MESSAGE-----"
+ nil t)
(delete-region (point-min) (match-beginning 0)))
- (when (re-search-forward "-----END PGP MESSAGE-----\n?" nil t)
+ (when (re-search-forward
+ "-----END PGP \\(?:MESSAGE\\|SIGNATURE\\)-----\n?"
+ nil t)
(delete-region (match-end 0) (point-max)))
(goto-char (point-min))
;; The article has to have proper NoCeM headers.
;; We get the name of the issuer.
(narrow-to-region b e)
(setq issuer (mail-fetch-field "issuer")
- type (mail-fetch-field "issuer"))
+ type (mail-fetch-field "type"))
(widen)
(if (not (gnus-nocem-message-wanted-p issuer type))
(message "invalid NoCeM issuer: %s" issuer)
(while (setq condition (pop conditions))
(cond
((stringp condition)
- (setq wanted (string-match condition type)))
+ (when (string-match condition type)
+ (setq wanted t)))
((and (consp condition)
(eq (car condition) 'not)
(stringp (cadr condition)))
- (setq wanted (not (string-match (cadr condition) type))))
+ (when (string-match (cadr condition) type)
+ (setq wanted nil)))
(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."
- (if (fboundp gnus-nocem-verifyer)
+ (if (functionp gnus-nocem-verifyer)
(ignore-errors
(funcall gnus-nocem-verifyer))
;; If we don't have Mailcrypt, then we use the message anyway.
(while (search-forward "\t" nil t)
(cond
((not (ignore-errors
- (setq group (let ((obarray gnus-active-hashtb)) (read buf)))))
+ (setq group (gnus-group-real-name (symbol-name (read buf))))
+ (gethash group gnus-nocem-real-group-hashtb)))
;; 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 (gnus-group-real-name (symbol-name group))
- gnus-nocem-real-group-hashtb)
- ;; Valid group.
- (beginning-of-line)
- (while (= (following-char) ?\t)
- (forward-line -1))
- (setq id (buffer-substring (point) (1- (search-forward "\t"))))
- (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))))))
+ ;; Valid group.
+ (beginning-of-line)
+ (while (eq (char-after) ?\t)
+ (forward-line -1))
+ (setq id (buffer-substring (point) (1- (search-forward "\t"))))
+ (unless (if (hash-table-p gnus-nocem-hashtb)
+ (gethash id gnus-nocem-hashtb)
+ (setq gnus-nocem-hashtb (make-hash-table :test 'equal))
+ nil)
+ ;; only store if not already present
+ (puthash id t gnus-nocem-hashtb)
+ (push id ncm))
+ (forward-line 1)
+ (while (eq (char-after) ?\t)
+ (forward-line 1)))))
(when ncm
(setq gnus-nocem-touched-alist t)
(push (cons (let ((time (current-time))) (setcdr (cdr time) nil) time)
gnus-nocem-alist))
t)))
+;;;###autoload
(defun gnus-nocem-load-cache ()
"Load the NoCeM cache."
(interactive)
"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 ()
(let* ((alist gnus-nocem-alist)
(pprev (cons nil alist))
(prev pprev)
- (expiry (nnmail-days-to-time gnus-nocem-expiry-wait))
+ (expiry (days-to-time gnus-nocem-expiry-wait))
entry)
- (setq gnus-nocem-hashtb (gnus-make-hashtable (* (length alist) 51)))
+ (if (hash-table-p gnus-nocem-hashtb)
+ (clrhash gnus-nocem-hashtb)
+ (setq gnus-nocem-hashtb (make-hash-table :test 'equal)))
(while (setq entry (car alist))
- (if (not (nnmail-time-less (nnmail-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)
;; This is ok, so we enter it into the hashtable.
(setq entry (cdr entry))
(while entry
- (gnus-sethash (car entry) t gnus-nocem-hashtb)
+ (puthash (car entry) t gnus-nocem-hashtb)
(setq entry (cdr entry))))
(setq alist (cdr alist)))))
(defun gnus-nocem-unwanted-article-p (id)
"Say whether article ID in the current group is wanted."
(and gnus-nocem-hashtb
- (gnus-gethash id gnus-nocem-hashtb)))
+ (gethash id gnus-nocem-hashtb)))
(provide 'gnus-nocem)
+;;; arch-tag: 0e0c74ea-2f8e-4f3e-8fff-09f767c1adef
;;; gnus-nocem.el ends here
projects / elisp / gnus.git- / blobdiff