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1 ;;; gnus-nocem.el --- NoCeM pseudo-cancellation treatment
3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; Keywords: news
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
26 ;;; Commentary:
28 ;;; Code:
39 "NoCeM pseudo-cancellation treatment."
45 "*List of groups that will be searched for NoCeM messages."
52 "cosmo.roadkill"
53 "SpamHippo"
55 "*List of NoCeM issuers to pay attention to.
57 This can also be a list of `(ISSUER CONDITION ...)' elements.
59 See <URL:http://www.xs4all.nl/~rosalind/nocemreg/nocemreg.html> for an
60 issuer registry."
67 "*Directory where NoCeM files will be stored."
72 "*Number of days to keep NoCeM headers in the cache."
77 "*Function called to verify that the NoCeM message is valid.
78 One likely value is `pgg-verify'. If the function in this variable
79 isn't bound, the message will be used unconditionally."
86 "*If t try to fetch all messages which have @@NCM in the subject.
87 Otherwise don't fetch messages which have references or whose message-id
88 matches a previously scanned and verified nocem message."
93 "*If non-nil, the maximum number of articles to check in any NoCeM group."
100 "Non-nil means check for valid issuers in message bodies.
101 Otherwise don't bother fetching articles unless their author matches a
102 valid issuer, which is much faster if you are selective about the issuers."
107 ;;; Internal variables
115 ;;; Functions
123 ;;
124 ;; faster lookups for group names:
125 ;;
131 "Fill up a hash table with the real-name mappings from the user's active file."
137 gnus-newsrc-alist))
139 ;;;###autoload
141 "Scan all NoCeM groups for new NoCeM messages."
145 group active gactive articles check-headers)
147 ;; Load any previous NoCeM headers.
149 ;; Get the group name mappings:
151 ;; Read the active file if it hasn't been read yet.
156 ;; Go through all groups and see whether new articles have
157 ;; arrived.
165 ;; Ok, there are new articles in this group, se we fetch the
166 ;; headers.
169 headers header)
180 group))
182 articles nil dependencies)
185 ;; We take a closer look on all articles that have
186 ;; "@@NCM" in the subject. Unless we already read
187 ;; this cross posted message. Nocem messages
188 ;; are not allowed to have references, so we can
189 ;; ignore scanning followups.
201 gnus-nocem-issuers)
202 nil)))
205 header))
208 gnus-nocem-seen-message-ids))))
211 gnus-nocem-check-article-limit))
222 gnus-nocem-active)))))
223 ;; Save the results, if any.
228 "Check whether the current article is an NCM article and that we want it."
229 ;; Get the article.
232 issuer b e type)
241 nil t)
245 nil t)
248 ;; The article has to have proper NoCeM headers.
251 ;; We get the name of the issuer.
265 wanted conditions condition)
267 ;; Do the quick check first.
269 t)
271 ;; Check whether we want this type.
284 wanted))))
287 "Verify using PGP that the canceler is who she says she is."
291 ;; If we don't have Mailcrypt, then we use the message anyway.
292 t))
295 "Enter the current article into the NoCeM cache."
300 ncm id group)
309 ;; An error.
310 )
312 ;; Ignore invalid entries.
313 )
315 ;; Make sure all entries in the hashtb are bound.
319 gnus-nocem-real-group-hashtb)
320 ;; Valid group.
328 nil)
329 ;; only store if not already present
338 ncm)
339 gnus-nocem-alist))
340 t)))
342 ;;;###autoload
344 "Load the NoCeM cache."
347 ;; The buffer doesn't exist, so we create it and load the NoCeM
348 ;; cache.
354 "Save the NoCeM cache."
356 gnus-nocem-touched-alist)
362 "Save the NoCeM active file."
367 "Create a hashtable from the Message-IDs we have."
372 entry)
376 ;; This entry has expired, so we remove it.
379 ;; This is ok, so we enter it into the hashtable.
389 "Clear internal NoCeM variables."
391 gnus-nocem-hashtb nil
392 gnus-nocem-active nil
393 gnus-nocem-touched-alist nil
394 gnus-nocem-seen-message-ids nil
395 gnus-nocem-real-group-hashtb nil))
398 "Say whether article ID in the current group is wanted."
404 ;;; arch-tag: 0e0c74ea-2f8e-4f3e-8fff-09f767c1adef
405 ;;; gnus-nocem.el ends here