Commit | Line | Data |
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23f87bed | 1 | ;;; spam.el --- Identifying spam |
e84b4b86 | 2 | |
114f9c96 | 3 | ;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
8abf1b22 | 4 | ;; Free Software Foundation, Inc. |
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5 | |
6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> | |
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7 | ;; Maintainer: Ted Zlatanov <tzz@lifelogs.com> |
8 | ;; Keywords: network, spam, mail, bogofilter, BBDB, dspam, dig, whitelist, blacklist, gmane, hashcash, spamassassin, bsfilter, ifile, stat, crm114, spamoracle | |
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9 | |
10 | ;; This file is part of GNU Emacs. | |
11 | ||
5e809f55 | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
23f87bed | 13 | ;; it under the terms of the GNU General Public License as published by |
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14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
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16 | |
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
5e809f55 | 19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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20 | ;; GNU General Public License for more details. |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
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24 | |
25 | ;;; Commentary: | |
26 | ||
27 | ;;; This module addresses a few aspects of spam control under Gnus. Page | |
28 | ;;; breaks are used for grouping declarations and documentation relating to | |
29 | ;;; each particular aspect. | |
30 | ||
31 | ;;; The integration with Gnus is not yet complete. See various `FIXME' | |
32 | ;;; comments, below, for supplementary explanations or discussions. | |
33 | ||
34 | ;;; Several TODO items are marked as such | |
35 | ||
01c52d31 | 36 | ;; TODO: cross-server splitting, remote processing, training through files |
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37 | |
38 | ;;; Code: | |
39 | ||
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40 | ;;{{{ compilation directives and autoloads/requires |
41 | ||
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42 | ;; For Emacs < 22.2. |
43 | (eval-and-compile | |
44 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) | |
45 | ||
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46 | (eval-when-compile (require 'cl)) |
47 | ||
e230a06e | 48 | (require 'message) ;for the message-fetch-field functions |
23f87bed | 49 | (require 'gnus-sum) |
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50 | (require 'gnus-uu) ; because of key prefix issues |
51 | ;;; for the definitions of group content classification and spam processors | |
52 | (require 'gnus) | |
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53 | |
54 | (eval-when-compile (require 'spam-report)) | |
55 | (eval-when-compile (require 'hashcash)) | |
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56 | |
57 | ;; for nnimap-split-download-body-default | |
58 | (eval-when-compile (require 'nnimap)) | |
59 | ||
23f87bed | 60 | ;; autoload query-dig |
8abf1b22 | 61 | (autoload 'query-dig "dig") |
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62 | |
63 | ;; autoload spam-report | |
64 | (eval-and-compile | |
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65 | (autoload 'spam-report-gmane "spam-report") |
66 | (autoload 'spam-report-gmane-spam "spam-report") | |
67 | (autoload 'spam-report-gmane-ham "spam-report") | |
68 | (autoload 'spam-report-resend "spam-report")) | |
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69 | |
70 | ;; autoload gnus-registry | |
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71 | (autoload 'gnus-registry-group-count "gnus-registry") |
72 | (autoload 'gnus-registry-add-group "gnus-registry") | |
73 | (autoload 'gnus-registry-store-extra-entry "gnus-registry") | |
74 | (autoload 'gnus-registry-fetch-extra "gnus-registry") | |
23f87bed | 75 | |
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76 | ;; autoload dns-query |
77 | (autoload 'dns-query "dns") | |
23f87bed | 78 | |
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79 | ;;}}} |
80 | ||
81 | ;;{{{ Main parameters. | |
82 | (defvar spam-backends nil | |
83 | "List of spam.el backends with all the pertinent data. | |
3042deef | 84 | Populated by `spam-install-backend-super'.") |
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85 | |
86 | (defgroup spam nil | |
ba5037ec | 87 | "Spam configuration." |
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88 | :version "22.1" |
89 | :group 'mail | |
90 | :group 'news) | |
23f87bed | 91 | |
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92 | (defcustom spam-summary-exit-behavior 'default |
93 | "Exit behavior at the time of summary exit. | |
3042deef | 94 | Note that setting the `spam-use-move' or `spam-use-copy' backends on |
01c52d31 | 95 | a group through group/topic parameters overrides this mechanism." |
3042deef | 96 | :type '(choice (const 'default :tag |
01c52d31 | 97 | "Move spam out of all groups. Move ham out of spam groups.") |
3042deef | 98 | (const 'move-all :tag |
01c52d31 | 99 | "Move spam out of all groups. Move ham out of all groups.") |
3042deef | 100 | (const 'move-none :tag |
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101 | "Never move spam or ham out of any groups.")) |
102 | :group 'spam) | |
103 | ||
531e5812 | 104 | (defcustom spam-directory (nnheader-concat gnus-directory "spam/") |
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105 | "Directory for spam whitelists and blacklists." |
106 | :type 'directory | |
107 | :group 'spam) | |
108 | ||
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109 | (defcustom spam-mark-new-messages-in-spam-group-as-spam t |
110 | "Whether new messages in a spam group should get the spam-mark." | |
111 | :type 'boolean | |
112 | ;; :version "22.1" ;; Gnus 5.10.8 / No Gnus 0.3 | |
113 | :group 'spam) | |
114 | ||
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115 | (defcustom spam-log-to-registry nil |
116 | "Whether spam/ham processing should be logged in the registry." | |
117 | :type 'boolean | |
118 | :group 'spam) | |
119 | ||
120 | (defcustom spam-split-symbolic-return nil | |
121 | "Whether `spam-split' should work with symbols or group names." | |
122 | :type 'boolean | |
123 | :group 'spam) | |
124 | ||
125 | (defcustom spam-split-symbolic-return-positive nil | |
126 | "Whether `spam-split' should ALWAYS work with symbols or group names. | |
3042deef | 127 | Do not set this if you use `spam-split' in a fancy split method." |
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128 | :type 'boolean |
129 | :group 'spam) | |
130 | ||
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131 | (defcustom spam-mark-only-unseen-as-spam t |
132 | "Whether only unseen articles should be marked as spam in spam groups. | |
133 | When nil, all unread articles in a spam group are marked as | |
134 | spam. Set this if you want to leave an article unread in a spam group | |
135 | without losing it to the automatic spam-marking process." | |
136 | :type 'boolean | |
137 | :group 'spam) | |
138 | ||
139 | (defcustom spam-mark-ham-unread-before-move-from-spam-group nil | |
140 | "Whether ham should be marked unread before it's moved. | |
3042deef | 141 | The article is moved out of a spam group according to `ham-process-destination'. |
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142 | This variable is an official entry in the international Longest Variable Name |
143 | Competition." | |
144 | :type 'boolean | |
145 | :group 'spam) | |
146 | ||
147 | (defcustom spam-disable-spam-split-during-ham-respool nil | |
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148 | "Whether `spam-split' should be ignored while resplitting ham. |
149 | This is useful to prevent ham from ending up in the same spam | |
150 | group after the resplit. Don't set this to t if you have `spam-split' as the | |
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151 | last rule in your split configuration." |
152 | :type 'boolean | |
153 | :group 'spam) | |
154 | ||
155 | (defcustom spam-autodetect-recheck-messages nil | |
156 | "Should spam.el recheck all meessages when autodetecting? | |
157 | Normally this is nil, so only unseen messages will be checked." | |
158 | :type 'boolean | |
159 | :group 'spam) | |
160 | ||
161 | (defcustom spam-whitelist (expand-file-name "whitelist" spam-directory) | |
162 | "The location of the whitelist. | |
163 | The file format is one regular expression per line. | |
164 | The regular expression is matched against the address." | |
165 | :type 'file | |
166 | :group 'spam) | |
167 | ||
168 | (defcustom spam-blacklist (expand-file-name "blacklist" spam-directory) | |
169 | "The location of the blacklist. | |
170 | The file format is one regular expression per line. | |
171 | The regular expression is matched against the address." | |
172 | :type 'file | |
173 | :group 'spam) | |
174 | ||
175 | (defcustom spam-use-dig t | |
9cc20f6c | 176 | "Whether `query-dig' should be used instead of `dns-query'." |
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177 | :type 'boolean |
178 | :group 'spam) | |
179 | ||
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180 | (defcustom spam-use-gmane-xref nil |
181 | "Whether the Gmane spam xref should be used by `spam-split'." | |
182 | :type 'boolean | |
183 | :group 'spam) | |
184 | ||
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185 | (defcustom spam-use-blacklist nil |
186 | "Whether the blacklist should be used by `spam-split'." | |
187 | :type 'boolean | |
188 | :group 'spam) | |
189 | ||
190 | (defcustom spam-blacklist-ignored-regexes nil | |
191 | "Regular expressions that the blacklist should ignore." | |
192 | :type '(repeat (regexp :tag "Regular expression to ignore when blacklisting")) | |
193 | :group 'spam) | |
194 | ||
195 | (defcustom spam-use-whitelist nil | |
196 | "Whether the whitelist should be used by `spam-split'." | |
197 | :type 'boolean | |
198 | :group 'spam) | |
199 | ||
200 | (defcustom spam-use-whitelist-exclusive nil | |
201 | "Whether whitelist-exclusive should be used by `spam-split'. | |
202 | Exclusive whitelisting means that all messages from senders not in the whitelist | |
203 | are considered spam." | |
204 | :type 'boolean | |
205 | :group 'spam) | |
206 | ||
207 | (defcustom spam-use-blackholes nil | |
208 | "Whether blackholes should be used by `spam-split'." | |
209 | :type 'boolean | |
210 | :group 'spam) | |
211 | ||
212 | (defcustom spam-use-hashcash nil | |
213 | "Whether hashcash payments should be detected by `spam-split'." | |
214 | :type 'boolean | |
215 | :group 'spam) | |
216 | ||
217 | (defcustom spam-use-regex-headers nil | |
218 | "Whether a header regular expression match should be used by `spam-split'. | |
219 | Also see the variables `spam-regex-headers-spam' and `spam-regex-headers-ham'." | |
220 | :type 'boolean | |
221 | :group 'spam) | |
222 | ||
223 | (defcustom spam-use-regex-body nil | |
224 | "Whether a body regular expression match should be used by `spam-split'. | |
225 | Also see the variables `spam-regex-body-spam' and `spam-regex-body-ham'." | |
226 | :type 'boolean | |
227 | :group 'spam) | |
228 | ||
229 | (defcustom spam-use-bogofilter-headers nil | |
230 | "Whether bogofilter headers should be used by `spam-split'. | |
231 | Enable this if you pre-process messages with Bogofilter BEFORE Gnus sees them." | |
232 | :type 'boolean | |
233 | :group 'spam) | |
234 | ||
235 | (defcustom spam-use-bogofilter nil | |
236 | "Whether bogofilter should be invoked by `spam-split'. | |
237 | Enable this if you want Gnus to invoke Bogofilter on new messages." | |
238 | :type 'boolean | |
239 | :group 'spam) | |
240 | ||
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241 | (defcustom spam-use-bsfilter-headers nil |
242 | "Whether bsfilter headers should be used by `spam-split'. | |
243 | Enable this if you pre-process messages with Bsfilter BEFORE Gnus sees them." | |
244 | :type 'boolean | |
245 | :group 'spam) | |
246 | ||
247 | (defcustom spam-use-bsfilter nil | |
248 | "Whether bsfilter should be invoked by `spam-split'. | |
249 | Enable this if you want Gnus to invoke Bsfilter on new messages." | |
250 | :type 'boolean | |
251 | :group 'spam) | |
252 | ||
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253 | (defcustom spam-use-BBDB nil |
254 | "Whether BBDB should be used by `spam-split'." | |
255 | :type 'boolean | |
256 | :group 'spam) | |
257 | ||
258 | (defcustom spam-use-BBDB-exclusive nil | |
259 | "Whether BBDB-exclusive should be used by `spam-split'. | |
260 | Exclusive BBDB means that all messages from senders not in the BBDB are | |
261 | considered spam." | |
262 | :type 'boolean | |
263 | :group 'spam) | |
264 | ||
265 | (defcustom spam-use-ifile nil | |
266 | "Whether ifile should be used by `spam-split'." | |
267 | :type 'boolean | |
268 | :group 'spam) | |
269 | ||
270 | (defcustom spam-use-stat nil | |
271 | "Whether `spam-stat' should be used by `spam-split'." | |
272 | :type 'boolean | |
273 | :group 'spam) | |
274 | ||
275 | (defcustom spam-use-spamoracle nil | |
276 | "Whether spamoracle should be used by `spam-split'." | |
277 | :type 'boolean | |
278 | :group 'spam) | |
279 | ||
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280 | (defcustom spam-use-spamassassin nil |
281 | "Whether spamassassin should be invoked by `spam-split'. | |
282 | Enable this if you want Gnus to invoke SpamAssassin on new messages." | |
283 | :type 'boolean | |
284 | :group 'spam) | |
285 | ||
286 | (defcustom spam-use-spamassassin-headers nil | |
287 | "Whether spamassassin headers should be checked by `spam-split'. | |
288 | Enable this if you pre-process messages with SpamAssassin BEFORE Gnus sees | |
289 | them." | |
290 | :type 'boolean | |
291 | :group 'spam) | |
292 | ||
293 | (defcustom spam-use-crm114 nil | |
294 | "Whether the CRM114 Mailfilter should be used by `spam-split'." | |
295 | :type 'boolean | |
296 | :group 'spam) | |
297 | ||
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298 | (defcustom spam-install-hooks (or |
299 | spam-use-dig | |
01c52d31 | 300 | spam-use-gmane-xref |
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301 | spam-use-blacklist |
302 | spam-use-whitelist | |
303 | spam-use-whitelist-exclusive | |
304 | spam-use-blackholes | |
305 | spam-use-hashcash | |
306 | spam-use-regex-headers | |
307 | spam-use-regex-body | |
23f87bed | 308 | spam-use-bogofilter |
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309 | spam-use-bogofilter-headers |
310 | spam-use-spamassassin | |
311 | spam-use-spamassassin-headers | |
312 | spam-use-bsfilter | |
313 | spam-use-bsfilter-headers | |
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314 | spam-use-BBDB |
315 | spam-use-BBDB-exclusive | |
316 | spam-use-ifile | |
317 | spam-use-stat | |
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318 | spam-use-spamoracle |
319 | spam-use-crm114) | |
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320 | "Whether the spam hooks should be installed. |
321 | Default to t if one of the spam-use-* variables is set." | |
322 | :group 'spam | |
323 | :type 'boolean) | |
324 | ||
325 | (defcustom spam-split-group "spam" | |
326 | "Group name where incoming spam should be put by `spam-split'." | |
327 | :type 'string | |
328 | :group 'spam) | |
329 | ||
330 | ;;; TODO: deprecate this variable, it's confusing since it's a list of strings, | |
331 | ;;; not regular expressions | |
332 | (defcustom spam-junk-mailgroups (cons | |
333 | spam-split-group | |
334 | '("mail.junk" "poste.pourriel")) | |
335 | "Mailgroups with spam contents. | |
336 | All unmarked article in such group receive the spam mark on group entry." | |
337 | :type '(repeat (string :tag "Group")) | |
338 | :group 'spam) | |
339 | ||
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340 | |
341 | (defcustom spam-gmane-xref-spam-group "gmane.spam.detected" | |
342 | "The group where spam xrefs can be found on Gmane. | |
343 | Only meaningful if you enable `spam-use-gmane-xref'." | |
344 | :type 'string | |
345 | :group 'spam) | |
346 | ||
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347 | (defcustom spam-blackhole-servers '("bl.spamcop.net" "relays.ordb.org" |
348 | "dev.null.dk" "relays.visi.com") | |
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349 | "List of blackhole servers. |
350 | Only meaningful if you enable `spam-use-blackholes'." | |
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351 | :type '(repeat (string :tag "Server")) |
352 | :group 'spam) | |
353 | ||
354 | (defcustom spam-blackhole-good-server-regex nil | |
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355 | "String matching IP addresses that should not be checked in the blackholes. |
356 | Only meaningful if you enable `spam-use-blackholes'." | |
ad136a7c | 357 | :type '(radio (const nil) regexp) |
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358 | :group 'spam) |
359 | ||
0f49874b | 360 | (defface spam |
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361 | '((((class color) (type tty) (background dark)) |
362 | (:foreground "gray80" :background "gray50")) | |
363 | (((class color) (type tty) (background light)) | |
364 | (:foreground "gray50" :background "gray80")) | |
365 | (((class color) (background dark)) | |
366 | (:foreground "ivory2")) | |
367 | (((class color) (background light)) | |
368 | (:foreground "ivory4")) | |
369 | (t :inverse-video t)) | |
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370 | "Face for spam-marked articles." |
371 | :group 'spam) | |
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372 | ;; backward-compatibility alias |
373 | (put 'spam-face 'face-alias 'spam) | |
3d493bef | 374 | (put 'spam-face 'obsolete-face "22.1") |
112d84ef | 375 | |
0f49874b | 376 | (defcustom spam-face 'spam |
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377 | "Face for spam-marked articles." |
378 | :type 'face | |
379 | :group 'spam) | |
380 | ||
381 | (defcustom spam-regex-headers-spam '("^X-Spam-Flag: YES") | |
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382 | "Regular expression for positive header spam matches. |
383 | Only meaningful if you enable `spam-use-regex-headers'." | |
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384 | :type '(repeat (regexp :tag "Regular expression to match spam header")) |
385 | :group 'spam) | |
386 | ||
387 | (defcustom spam-regex-headers-ham '("^X-Spam-Flag: NO") | |
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388 | "Regular expression for positive header ham matches. |
389 | Only meaningful if you enable `spam-use-regex-headers'." | |
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390 | :type '(repeat (regexp :tag "Regular expression to match ham header")) |
391 | :group 'spam) | |
392 | ||
393 | (defcustom spam-regex-body-spam '() | |
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394 | "Regular expression for positive body spam matches. |
395 | Only meaningful if you enable `spam-use-regex-body'." | |
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396 | :type '(repeat (regexp :tag "Regular expression to match spam body")) |
397 | :group 'spam) | |
398 | ||
399 | (defcustom spam-regex-body-ham '() | |
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400 | "Regular expression for positive body ham matches. |
401 | Only meaningful if you enable `spam-use-regex-body'." | |
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402 | :type '(repeat (regexp :tag "Regular expression to match ham body")) |
403 | :group 'spam) | |
404 | ||
01c52d31 | 405 | (defcustom spam-summary-score-preferred-header nil |
3042deef | 406 | "Preferred header to use for `spam-summary-score'." |
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407 | :type '(choice :tag "Header name" |
408 | (symbol :tag "SpamAssassin etc" X-Spam-Status) | |
409 | (symbol :tag "Bogofilter" X-Bogosity) | |
410 | (const :tag "No preference, take best guess." nil)) | |
411 | :group 'spam) | |
412 | ||
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413 | (defgroup spam-ifile nil |
414 | "Spam ifile configuration." | |
415 | :group 'spam) | |
416 | ||
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417 | (make-obsolete-variable 'spam-ifile-path 'spam-ifile-program |
418 | "Gnus 5.10.9 (Emacs 22.1)") | |
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419 | (defcustom spam-ifile-program (executable-find "ifile") |
420 | "Name of the ifile program." | |
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421 | :type '(choice (file :tag "Location of ifile") |
422 | (const :tag "ifile is not installed")) | |
423 | :group 'spam-ifile) | |
424 | ||
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425 | (make-obsolete-variable 'spam-ifile-database-path 'spam-ifile-database |
426 | "Gnus 5.10.9 (Emacs 22.1)") | |
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427 | (defcustom spam-ifile-database nil |
428 | "File name of the ifile database." | |
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429 | :type '(choice (file :tag "Location of the ifile database") |
430 | (const :tag "Use the default")) | |
431 | :group 'spam-ifile) | |
432 | ||
433 | (defcustom spam-ifile-spam-category "spam" | |
434 | "Name of the spam ifile category." | |
435 | :type 'string | |
436 | :group 'spam-ifile) | |
437 | ||
438 | (defcustom spam-ifile-ham-category nil | |
439 | "Name of the ham ifile category. | |
440 | If nil, the current group name will be used." | |
441 | :type '(choice (string :tag "Use a fixed category") | |
442 | (const :tag "Use the current group name")) | |
443 | :group 'spam-ifile) | |
444 | ||
445 | (defcustom spam-ifile-all-categories nil | |
446 | "Whether the ifile check will return all categories, or just spam. | |
447 | Set this to t if you want to use the `spam-split' invocation of ifile as | |
448 | your main source of newsgroup names." | |
449 | :type 'boolean | |
450 | :group 'spam-ifile) | |
451 | ||
452 | (defgroup spam-bogofilter nil | |
453 | "Spam bogofilter configuration." | |
454 | :group 'spam) | |
455 | ||
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456 | (make-obsolete-variable 'spam-bogofilter-path 'spam-bogofilter-program |
457 | "Gnus 5.10.9 (Emacs 22.1)") | |
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458 | (defcustom spam-bogofilter-program (executable-find "bogofilter") |
459 | "Name of the Bogofilter program." | |
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460 | :type '(choice (file :tag "Location of bogofilter") |
461 | (const :tag "Bogofilter is not installed")) | |
462 | :group 'spam-bogofilter) | |
463 | ||
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464 | (defvar spam-bogofilter-valid 'unknown "Is the bogofilter version valid?") |
465 | ||
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466 | (defcustom spam-bogofilter-header "X-Bogosity" |
467 | "The header that Bogofilter inserts in messages." | |
468 | :type 'string | |
469 | :group 'spam-bogofilter) | |
470 | ||
471 | (defcustom spam-bogofilter-spam-switch "-s" | |
472 | "The switch that Bogofilter uses to register spam messages." | |
473 | :type 'string | |
474 | :group 'spam-bogofilter) | |
475 | ||
476 | (defcustom spam-bogofilter-ham-switch "-n" | |
477 | "The switch that Bogofilter uses to register ham messages." | |
478 | :type 'string | |
479 | :group 'spam-bogofilter) | |
480 | ||
481 | (defcustom spam-bogofilter-spam-strong-switch "-S" | |
482 | "The switch that Bogofilter uses to unregister ham messages." | |
483 | :type 'string | |
484 | :group 'spam-bogofilter) | |
485 | ||
486 | (defcustom spam-bogofilter-ham-strong-switch "-N" | |
487 | "The switch that Bogofilter uses to unregister spam messages." | |
488 | :type 'string | |
489 | :group 'spam-bogofilter) | |
490 | ||
491 | (defcustom spam-bogofilter-bogosity-positive-spam-header "^\\(Yes\\|Spam\\)" | |
492 | "The regex on `spam-bogofilter-header' for positive spam identification." | |
493 | :type 'regexp | |
494 | :group 'spam-bogofilter) | |
495 | ||
496 | (defcustom spam-bogofilter-database-directory nil | |
11e95b02 MB |
497 | "Location of the Bogofilter database. |
498 | When nil, use the default location." | |
23f87bed MB |
499 | :type '(choice (directory |
500 | :tag "Location of the Bogofilter database directory") | |
501 | (const :tag "Use the default")) | |
502 | :group 'spam-bogofilter) | |
503 | ||
01c52d31 MB |
504 | (defgroup spam-bsfilter nil |
505 | "Spam bsfilter configuration." | |
506 | :group 'spam) | |
507 | ||
265ac10b SM |
508 | (make-obsolete-variable 'spam-bsfilter-path 'spam-bsfilter-program |
509 | "Gnus 5.10.9 (Emacs 22.1)") | |
01c52d31 MB |
510 | (defcustom spam-bsfilter-program (executable-find "bsfilter") |
511 | "Name of the Bsfilter program." | |
512 | :type '(choice (file :tag "Location of bsfilter") | |
513 | (const :tag "Bsfilter is not installed")) | |
514 | :group 'spam-bsfilter) | |
515 | ||
516 | (defcustom spam-bsfilter-header "X-Spam-Flag" | |
517 | "The header inserted by Bsfilter to flag spam." | |
518 | :type 'string | |
519 | :group 'spam-bsfilter) | |
520 | ||
521 | (defcustom spam-bsfilter-probability-header "X-Spam-Probability" | |
522 | "The header that Bsfilter inserts in messages." | |
523 | :type 'string | |
524 | :group 'spam-bsfilter) | |
525 | ||
526 | (defcustom spam-bsfilter-spam-switch "--add-spam" | |
527 | "The switch that Bsfilter uses to register spam messages." | |
528 | :type 'string | |
529 | :group 'spam-bsfilter) | |
530 | ||
531 | (defcustom spam-bsfilter-ham-switch "--add-clean" | |
532 | "The switch that Bsfilter uses to register ham messages." | |
533 | :type 'string | |
534 | :group 'spam-bsfilter) | |
535 | ||
536 | (defcustom spam-bsfilter-spam-strong-switch "--sub-spam" | |
537 | "The switch that Bsfilter uses to unregister ham messages." | |
538 | :type 'string | |
539 | :group 'spam-bsfilter) | |
540 | ||
541 | (defcustom spam-bsfilter-ham-strong-switch "--sub-clean" | |
542 | "The switch that Bsfilter uses to unregister spam messages." | |
543 | :type 'string | |
544 | :group 'spam-bsfilter) | |
545 | ||
546 | (defcustom spam-bsfilter-database-directory nil | |
547 | "Directory path of the Bsfilter databases." | |
548 | :type '(choice (directory | |
549 | :tag "Location of the Bsfilter database directory") | |
550 | (const :tag "Use the default")) | |
551 | :group 'spam-bsfilter) | |
552 | ||
23f87bed MB |
553 | (defgroup spam-spamoracle nil |
554 | "Spam spamoracle configuration." | |
555 | :group 'spam) | |
556 | ||
557 | (defcustom spam-spamoracle-database nil | |
11e95b02 MB |
558 | "Location of spamoracle database file. |
559 | When nil, use the default spamoracle database." | |
23f87bed MB |
560 | :type '(choice (directory :tag "Location of spamoracle database file.") |
561 | (const :tag "Use the default")) | |
562 | :group 'spam-spamoracle) | |
563 | ||
564 | (defcustom spam-spamoracle-binary (executable-find "spamoracle") | |
565 | "Location of the spamoracle binary." | |
566 | :type '(choice (directory :tag "Location of the spamoracle binary") | |
567 | (const :tag "Use the default")) | |
568 | :group 'spam-spamoracle) | |
569 | ||
01c52d31 MB |
570 | (defgroup spam-spamassassin nil |
571 | "Spam SpamAssassin configuration." | |
572 | :group 'spam) | |
573 | ||
574 | (make-obsolete-variable 'spam-spamassassin-path | |
265ac10b | 575 | 'spam-spamassassin-program "Gnus 5.10.9 (Emacs 22.1)") |
01c52d31 MB |
576 | (defcustom spam-assassin-program (executable-find "spamassassin") |
577 | "Name of the spamassassin program. | |
578 | Hint: set this to \"spamc\" if you have spamd running. See the spamc and | |
579 | spamd man pages for more information on these programs." | |
580 | :type '(choice (file :tag "Location of spamc") | |
581 | (const :tag "spamassassin is not installed")) | |
582 | :group 'spam-spamassassin) | |
583 | ||
584 | (defcustom spam-spamassassin-arguments () | |
585 | "Arguments to pass to the spamassassin executable. | |
586 | This must be a list. For example, `(\"-C\" \"configfile\")'." | |
587 | :type '(restricted-sexp :match-alternatives (listp)) | |
588 | :group 'spam-spamassassin) | |
589 | ||
590 | (defcustom spam-spamassassin-spam-flag-header "X-Spam-Flag" | |
591 | "The header inserted by SpamAssassin to flag spam." | |
592 | :type 'string | |
593 | :group 'spam-spamassassin) | |
594 | ||
595 | (defcustom spam-spamassassin-positive-spam-flag-header "YES" | |
596 | "The regex on `spam-spamassassin-spam-flag-header' for positive spam | |
597 | identification" | |
598 | :type 'string | |
599 | :group 'spam-spamassassin) | |
600 | ||
601 | (defcustom spam-spamassassin-spam-status-header "X-Spam-Status" | |
602 | "The header inserted by SpamAssassin, giving extended scoring information" | |
603 | :type 'string | |
604 | :group 'spam-spamassassin) | |
605 | ||
265ac10b SM |
606 | (make-obsolete-variable 'spam-sa-learn-path 'spam-sa-learn-program |
607 | "Gnus 5.10.9 (Emacs 22.1)") | |
01c52d31 MB |
608 | (defcustom spam-sa-learn-program (executable-find "sa-learn") |
609 | "Name of the sa-learn program." | |
610 | :type '(choice (file :tag "Location of spamassassin") | |
611 | (const :tag "spamassassin is not installed")) | |
612 | :group 'spam-spamassassin) | |
613 | ||
614 | (defcustom spam-sa-learn-rebuild t | |
615 | "Whether sa-learn should rebuild the database every time it is called | |
616 | Enable this if you want sa-learn to rebuild the database automatically. Doing | |
617 | this will slightly increase the running time of the spam registration process. | |
618 | If you choose not to do this, you will have to run \"sa-learn --rebuild\" in | |
619 | order for SpamAssassin to recognize the new registered spam." | |
620 | :type 'boolean | |
621 | :group 'spam-spamassassin) | |
622 | ||
623 | (defcustom spam-sa-learn-spam-switch "--spam" | |
3042deef | 624 | "The switch that sa-learn uses to register spam messages." |
01c52d31 MB |
625 | :type 'string |
626 | :group 'spam-spamassassin) | |
627 | ||
628 | (defcustom spam-sa-learn-ham-switch "--ham" | |
3042deef | 629 | "The switch that sa-learn uses to register ham messages." |
01c52d31 MB |
630 | :type 'string |
631 | :group 'spam-spamassassin) | |
632 | ||
633 | (defcustom spam-sa-learn-unregister-switch "--forget" | |
3042deef | 634 | "The switch that sa-learn uses to unregister messages messages." |
01c52d31 MB |
635 | :type 'string |
636 | :group 'spam-spamassassin) | |
637 | ||
638 | (defgroup spam-crm114 nil | |
639 | "Spam CRM114 Mailfilter configuration." | |
640 | :group 'spam) | |
641 | ||
642 | (defcustom spam-crm114-program (executable-find "mailfilter.crm") | |
643 | "File path of the CRM114 Mailfilter executable program." | |
644 | :type '(choice (file :tag "Location of CRM114 Mailfilter") | |
645 | (const :tag "CRM114 Mailfilter is not installed")) | |
646 | :group 'spam-crm114) | |
647 | ||
648 | (defcustom spam-crm114-header "X-CRM114-Status" | |
649 | "The header that CRM114 Mailfilter inserts in messages." | |
650 | :type 'string | |
651 | :group 'spam-crm114) | |
652 | ||
653 | (defcustom spam-crm114-spam-switch "--learnspam" | |
654 | "The switch that CRM114 Mailfilter uses to register spam messages." | |
655 | :type 'string | |
656 | :group 'spam-crm114) | |
657 | ||
658 | (defcustom spam-crm114-ham-switch "--learnnonspam" | |
659 | "The switch that CRM114 Mailfilter uses to register ham messages." | |
660 | :type 'string | |
661 | :group 'spam-crm114) | |
662 | ||
54c72c31 | 663 | (defcustom spam-crm114-spam-strong-switch "--unlearn" |
01c52d31 MB |
664 | "The switch that CRM114 Mailfilter uses to unregister ham messages." |
665 | :type 'string | |
666 | :group 'spam-crm114) | |
667 | ||
54c72c31 | 668 | (defcustom spam-crm114-ham-strong-switch "--unlearn" |
01c52d31 MB |
669 | "The switch that CRM114 Mailfilter uses to unregister spam messages." |
670 | :type 'string | |
671 | :group 'spam-crm114) | |
672 | ||
673 | (defcustom spam-crm114-positive-spam-header "^SPAM" | |
674 | "The regex on `spam-crm114-header' for positive spam identification." | |
675 | :type 'regexp | |
676 | :group 'spam-crm114) | |
677 | ||
678 | (defcustom spam-crm114-database-directory nil | |
679 | "Directory path of the CRM114 Mailfilter databases." | |
680 | :type '(choice (directory | |
681 | :tag "Location of the CRM114 Mailfilter database directory") | |
682 | (const :tag "Use the default")) | |
683 | :group 'spam-crm114) | |
684 | ||
23f87bed MB |
685 | ;;; Key bindings for spam control. |
686 | ||
687 | (gnus-define-keys gnus-summary-mode-map | |
01c52d31 | 688 | "St" spam-generic-score |
23f87bed | 689 | "Sx" gnus-summary-mark-as-spam |
01c52d31 | 690 | "Mst" spam-generic-score |
23f87bed | 691 | "Msx" gnus-summary-mark-as-spam |
f7aa248a G |
692 | "\M-d" gnus-summary-mark-as-spam |
693 | "$" gnus-summary-mark-as-spam) | |
23f87bed | 694 | |
01c52d31 MB |
695 | (defvar spam-cache-lookups t |
696 | "Whether spam.el will try to cache lookups using `spam-caches'.") | |
23f87bed | 697 | |
01c52d31 MB |
698 | (defvar spam-caches (make-hash-table |
699 | :size 10 | |
700 | :test 'equal) | |
701 | "Cache of spam detection entries.") | |
702 | ||
703 | (defvar spam-old-articles nil | |
704 | "List of old ham and spam articles, generated when a group is entered.") | |
23f87bed MB |
705 | |
706 | (defvar spam-split-disabled nil | |
707 | "If non-nil, `spam-split' is disabled, and always returns nil.") | |
708 | ||
709 | (defvar spam-split-last-successful-check nil | |
01c52d31 MB |
710 | "Internal variable. |
711 | `spam-split' will set this to nil or a spam-use-XYZ check if it | |
712 | finds ham or spam.") | |
713 | ||
714 | ;; internal variables for backends | |
715 | ;; TODO: find a way to create these on the fly in spam-install-backend-super | |
716 | (defvar spam-use-copy nil) | |
717 | (defvar spam-use-move nil) | |
718 | (defvar spam-use-gmane nil) | |
719 | (defvar spam-use-resend nil) | |
720 | ||
721 | ;;}}} | |
722 | ||
723 | ;;{{{ convenience functions | |
724 | ||
725 | (defun spam-clear-cache (symbol) | |
3042deef | 726 | "Clear the `spam-caches' entry for a check." |
01c52d31 | 727 | (remhash symbol spam-caches)) |
23f87bed | 728 | |
23f87bed | 729 | (defun spam-xor (a b) |
01c52d31 | 730 | "Logical A xor B." |
23f87bed MB |
731 | (and (or a b) (not (and a b)))) |
732 | ||
01c52d31 | 733 | (defun spam-set-difference (list1 list2) |
3042deef | 734 | "Return a set difference of LIST1 and LIST2. |
01c52d31 MB |
735 | When either list is nil, the other is returned." |
736 | (if (and list1 list2) | |
737 | ;; we have two non-nil lists | |
738 | (progn | |
739 | (dolist (item (append list1 list2)) | |
740 | (when (and (memq item list1) (memq item list2)) | |
741 | (setq list1 (delq item list1)) | |
742 | (setq list2 (delq item list2)))) | |
743 | (append list1 list2)) | |
744 | ;; if either of the lists was nil, return the other one | |
745 | (if list1 list1 list2))) | |
746 | ||
30c7240d | 747 | (defun spam-group-ham-mark-p (group mark &optional spam) |
01c52d31 | 748 | "Checks if MARK is considered a ham mark in GROUP." |
30c7240d RS |
749 | (when (stringp group) |
750 | (let* ((marks (spam-group-ham-marks group spam)) | |
751 | (marks (if (symbolp mark) | |
752 | marks | |
753 | (mapcar 'symbol-value marks)))) | |
754 | (memq mark marks)))) | |
755 | ||
756 | (defun spam-group-spam-mark-p (group mark) | |
01c52d31 | 757 | "Checks if MARK is considered a spam mark in GROUP." |
30c7240d RS |
758 | (spam-group-ham-mark-p group mark t)) |
759 | ||
23f87bed | 760 | (defun spam-group-ham-marks (group &optional spam) |
01c52d31 | 761 | "In GROUP, get all the ham marks." |
23f87bed | 762 | (when (stringp group) |
30c7240d RS |
763 | (let* ((marks (if spam |
764 | (gnus-parameter-spam-marks group) | |
765 | (gnus-parameter-ham-marks group))) | |
766 | (marks (car marks)) | |
767 | (marks (if (listp (car marks)) (car marks) marks))) | |
768 | marks))) | |
769 | ||
770 | (defun spam-group-spam-marks (group) | |
01c52d31 | 771 | "In GROUP, get all the spam marks." |
30c7240d | 772 | (spam-group-ham-marks group t)) |
23f87bed MB |
773 | |
774 | (defun spam-group-spam-contents-p (group) | |
01c52d31 MB |
775 | "Is GROUP a spam group?" |
776 | (if (and (stringp group) (< 0 (length group))) | |
23f87bed MB |
777 | (or (member group spam-junk-mailgroups) |
778 | (memq 'gnus-group-spam-classification-spam | |
779 | (gnus-parameter-spam-contents group))) | |
780 | nil)) | |
781 | ||
782 | (defun spam-group-ham-contents-p (group) | |
01c52d31 | 783 | "Is GROUP a ham group?" |
23f87bed MB |
784 | (if (stringp group) |
785 | (memq 'gnus-group-spam-classification-ham | |
786 | (gnus-parameter-spam-contents group)) | |
787 | nil)) | |
788 | ||
01c52d31 MB |
789 | (defun spam-classifications () |
790 | "Return list of valid classifications" | |
791 | '(spam ham)) | |
792 | ||
793 | (defun spam-classification-valid-p (classification) | |
794 | "Is CLASSIFICATION a valid spam/ham classification?" | |
795 | (memq classification (spam-classifications))) | |
796 | ||
797 | (defun spam-backend-properties () | |
798 | "Return list of valid classifications." | |
799 | '(statistical mover check hrf srf huf suf)) | |
800 | ||
801 | (defun spam-backend-property-valid-p (property) | |
802 | "Is PROPERTY a valid backend property?" | |
803 | (memq property (spam-backend-properties))) | |
804 | ||
805 | (defun spam-backend-function-type-valid-p (type) | |
806 | (or (eq type 'registration) | |
807 | (eq type 'unregistration))) | |
808 | ||
809 | (defun spam-process-type-valid-p (process-type) | |
810 | (or (eq process-type 'incoming) | |
811 | (eq process-type 'process))) | |
812 | ||
813 | (defun spam-list-articles (articles classification) | |
814 | (let ((mark-check (if (eq classification 'spam) | |
815 | 'spam-group-spam-mark-p | |
816 | 'spam-group-ham-mark-p)) | |
817 | alist mark-cache-yes mark-cache-no) | |
818 | (dolist (article articles) | |
819 | (let ((mark (gnus-summary-article-mark article))) | |
820 | (unless (or (memq mark mark-cache-yes) | |
821 | (memq mark mark-cache-no)) | |
822 | (if (funcall mark-check | |
823 | gnus-newsgroup-name | |
824 | mark) | |
825 | (push mark mark-cache-yes) | |
826 | (push mark mark-cache-no))) | |
827 | (when (memq mark mark-cache-yes) | |
828 | (push article alist)))) | |
829 | alist)) | |
830 | ||
831 | ;;}}} | |
832 | ||
833 | ;;{{{ backend installation functions and procedures | |
834 | ||
835 | (defun spam-install-backend-super (backend &rest properties) | |
836 | "Install BACKEND for spam.el. | |
837 | Accepts incoming CHECK, ham registration function HRF, spam | |
838 | registration function SRF, ham unregistration function HUF, spam | |
839 | unregistration function SUF, and an indication whether the | |
840 | backend is STATISTICAL." | |
01c52d31 MB |
841 | (setq spam-backends (add-to-list 'spam-backends backend)) |
842 | (while properties | |
843 | (let ((property (pop properties)) | |
844 | (value (pop properties))) | |
845 | (if (spam-backend-property-valid-p property) | |
846 | (put backend property value) | |
3042deef JB |
847 | (gnus-error |
848 | 5 | |
01c52d31 MB |
849 | "spam-install-backend-super got an invalid property %s" |
850 | property))))) | |
851 | ||
852 | (defun spam-backend-list (&optional type) | |
853 | "Return a list of all the backend symbols, constrained by TYPE. | |
854 | When TYPE is 'non-mover, only non-mover backends are returned. | |
855 | When TYPE is 'mover, only mover backends are returned." | |
856 | (let (list) | |
857 | (dolist (backend spam-backends) | |
858 | (when (or | |
859 | (null type) ;either no type was requested | |
860 | ;; or the type is 'mover and the backend is a mover | |
861 | (and | |
862 | (eq type 'mover) | |
863 | (spam-backend-mover-p backend)) | |
864 | ;; or the type is 'non-mover and the backend is not a mover | |
865 | (and | |
866 | (eq type 'non-mover) | |
867 | (not (spam-backend-mover-p backend)))) | |
868 | (push backend list))) | |
869 | list)) | |
870 | ||
871 | (defun spam-backend-check (backend) | |
872 | "Get the check function for BACKEND. | |
873 | Each individual check may return nil, t, or a mailgroup name. | |
874 | The value nil means that the check does not yield a decision, and | |
875 | so, that further checks are needed. The value t means that the | |
876 | message is definitely not spam, and that further spam checks | |
877 | should be inhibited. Otherwise, a mailgroup name or the symbol | |
3042deef | 878 | 'spam (depending on `spam-split-symbolic-return') is returned where |
01c52d31 MB |
879 | the mail should go, and further checks are also inhibited. The |
880 | usual mailgroup name is the value of `spam-split-group', meaning | |
881 | that the message is definitely a spam." | |
882 | (get backend 'check)) | |
883 | ||
884 | (defun spam-backend-valid-p (backend) | |
885 | "Is BACKEND valid?" | |
886 | (member backend (spam-backend-list))) | |
887 | ||
888 | (defun spam-backend-info (backend) | |
889 | "Return information about BACKEND." | |
890 | (if (spam-backend-valid-p backend) | |
891 | (let (info) | |
892 | (setq info (format "Backend %s has the following properties:\n" | |
893 | backend)) | |
894 | (dolist (property (spam-backend-properties)) | |
3042deef | 895 | (setq info (format "%s%s=%s\n" |
01c52d31 MB |
896 | info |
897 | property | |
898 | (get backend property)))) | |
899 | info) | |
900 | (gnus-error 5 "spam-backend-info was asked about an invalid backend %s" | |
901 | backend))) | |
902 | ||
903 | (defun spam-backend-function (backend classification type) | |
904 | "Get the BACKEND function for CLASSIFICATION and TYPE. | |
905 | TYPE is 'registration or 'unregistration. | |
906 | CLASSIFICATION is 'ham or 'spam." | |
907 | (if (and | |
908 | (spam-classification-valid-p classification) | |
909 | (spam-backend-function-type-valid-p type)) | |
3042deef JB |
910 | (let ((retrieval |
911 | (intern | |
01c52d31 MB |
912 | (format "spam-backend-%s-%s-function" |
913 | classification | |
914 | type)))) | |
915 | (funcall retrieval backend)) | |
3042deef | 916 | (gnus-error |
01c52d31 MB |
917 | 5 |
918 | "%s was passed invalid backend %s, classification %s, or type %s" | |
919 | "spam-backend-function" | |
920 | backend | |
921 | classification | |
922 | type))) | |
923 | ||
3042deef | 924 | (defun spam-backend-article-list-property (classification |
01c52d31 MB |
925 | &optional unregister) |
926 | "Property name of article list with CLASSIFICATION and UNREGISTER." | |
927 | (let* ((r (if unregister "unregister" "register")) | |
928 | (prop (format "%s-%s" classification r))) | |
929 | prop)) | |
930 | ||
3042deef JB |
931 | (defun spam-backend-get-article-todo-list (backend |
932 | classification | |
01c52d31 | 933 | &optional unregister) |
3042deef | 934 | "Get the articles to be processed for BACKEND and CLASSIFICATION. |
01c52d31 MB |
935 | With UNREGISTER, get articles to be unregistered. |
936 | This is a temporary storage function - nothing here persists." | |
937 | (get | |
3042deef | 938 | backend |
01c52d31 MB |
939 | (intern (spam-backend-article-list-property classification unregister)))) |
940 | ||
941 | (defun spam-backend-put-article-todo-list (backend classification list &optional unregister) | |
942 | "Set the LIST of articles to be processed for BACKEND and CLASSIFICATION. | |
943 | With UNREGISTER, set articles to be unregistered. | |
944 | This is a temporary storage function - nothing here persists." | |
945 | (put | |
946 | backend | |
947 | (intern (spam-backend-article-list-property classification unregister)) | |
948 | list)) | |
949 | ||
950 | (defun spam-backend-ham-registration-function (backend) | |
951 | "Get the ham registration function for BACKEND." | |
952 | (get backend 'hrf)) | |
953 | ||
954 | (defun spam-backend-spam-registration-function (backend) | |
955 | "Get the spam registration function for BACKEND." | |
956 | (get backend 'srf)) | |
957 | ||
958 | (defun spam-backend-ham-unregistration-function (backend) | |
959 | "Get the ham unregistration function for BACKEND." | |
960 | (get backend 'huf)) | |
961 | ||
962 | (defun spam-backend-spam-unregistration-function (backend) | |
963 | "Get the spam unregistration function for BACKEND." | |
964 | (get backend 'suf)) | |
965 | ||
966 | (defun spam-backend-statistical-p (backend) | |
967 | "Is BACKEND statistical?" | |
968 | (get backend 'statistical)) | |
969 | ||
970 | (defun spam-backend-mover-p (backend) | |
971 | "Is BACKEND a mover?" | |
972 | (get backend 'mover)) | |
973 | ||
974 | (defun spam-install-backend-alias (backend alias) | |
975 | "Add ALIAS to an existing BACKEND. | |
976 | The previous backend settings for ALIAS are erased." | |
977 | ||
978 | ;; install alias with no properties at first | |
979 | (spam-install-backend-super alias) | |
3042deef | 980 | |
01c52d31 MB |
981 | (dolist (property (spam-backend-properties)) |
982 | (put alias property (get backend property)))) | |
983 | ||
984 | (defun spam-install-checkonly-backend (backend check) | |
985 | "Install a BACKEND than can only CHECK for spam." | |
986 | (spam-install-backend-super backend 'check check)) | |
987 | ||
988 | (defun spam-install-mover-backend (backend hrf srf huf suf) | |
989 | "Install a BACKEND than can move articles at summary exit. | |
990 | Accepts ham registration function HRF, spam registration function | |
991 | SRF, ham unregistration function HUF, spam unregistration | |
992 | function SUF. The backend has no incoming check and can't be | |
993 | statistical." | |
3042deef JB |
994 | (spam-install-backend-super |
995 | backend | |
01c52d31 MB |
996 | 'hrf hrf 'srf srf 'huf huf 'suf suf 'mover t)) |
997 | ||
998 | (defun spam-install-nocheck-backend (backend hrf srf huf suf) | |
999 | "Install a BACKEND than has no check. | |
1000 | Accepts ham registration function HRF, spam registration function | |
1001 | SRF, ham unregistration function HUF, spam unregistration | |
1002 | function SUF. The backend has no incoming check and can't be | |
1003 | statistical (it could be, but in practice that doesn't happen)." | |
3042deef | 1004 | (spam-install-backend-super |
01c52d31 MB |
1005 | backend |
1006 | 'hrf hrf 'srf srf 'huf huf 'suf suf)) | |
1007 | ||
1008 | (defun spam-install-backend (backend check hrf srf huf suf) | |
1009 | "Install a BACKEND. | |
1010 | Accepts incoming CHECK, ham registration function HRF, spam | |
1011 | registration function SRF, ham unregistration function HUF, spam | |
1012 | unregistration function SUF. The backend won't be | |
3042deef JB |
1013 | statistical (use `spam-install-statistical-backend' for that)." |
1014 | (spam-install-backend-super | |
01c52d31 MB |
1015 | backend |
1016 | 'check check 'hrf hrf 'srf srf 'huf huf 'suf suf)) | |
1017 | ||
1018 | (defun spam-install-statistical-backend (backend check hrf srf huf suf) | |
1019 | "Install a BACKEND. | |
1020 | Accepts incoming CHECK, ham registration function HRF, spam | |
1021 | registration function SRF, ham unregistration function HUF, spam | |
1022 | unregistration function SUF. The backend will be | |
3042deef | 1023 | statistical (use `spam-install-backend' for non-statistical |
01c52d31 | 1024 | backends)." |
3042deef | 1025 | (spam-install-backend-super |
01c52d31 MB |
1026 | backend |
1027 | 'check check 'statistical t 'hrf hrf 'srf srf 'huf huf 'suf suf)) | |
1028 | ||
1029 | (defun spam-install-statistical-checkonly-backend (backend check) | |
1030 | "Install a statistical BACKEND than can only CHECK for spam." | |
3042deef | 1031 | (spam-install-backend-super |
01c52d31 MB |
1032 | backend |
1033 | 'check check 'statistical t)) | |
1034 | ||
1035 | ;;}}} | |
1036 | ||
1037 | ;;{{{ backend installations | |
1038 | (spam-install-checkonly-backend 'spam-use-blackholes | |
1039 | 'spam-check-blackholes) | |
1040 | ||
1041 | (spam-install-checkonly-backend 'spam-use-hashcash | |
1042 | 'spam-check-hashcash) | |
1043 | ||
1044 | (spam-install-checkonly-backend 'spam-use-spamassassin-headers | |
1045 | 'spam-check-spamassassin-headers) | |
1046 | ||
1047 | (spam-install-checkonly-backend 'spam-use-bogofilter-headers | |
1048 | 'spam-check-bogofilter-headers) | |
1049 | ||
1050 | (spam-install-checkonly-backend 'spam-use-bsfilter-headers | |
1051 | 'spam-check-bsfilter-headers) | |
1052 | ||
1053 | (spam-install-checkonly-backend 'spam-use-gmane-xref | |
1054 | 'spam-check-gmane-xref) | |
1055 | ||
1056 | (spam-install-checkonly-backend 'spam-use-regex-headers | |
1057 | 'spam-check-regex-headers) | |
1058 | ||
1059 | (spam-install-statistical-checkonly-backend 'spam-use-regex-body | |
1060 | 'spam-check-regex-body) | |
1061 | ||
1062 | ;; TODO: NOTE: spam-use-ham-copy is now obsolete, use (ham spam-use-copy) instead | |
1063 | (spam-install-mover-backend 'spam-use-move | |
1064 | 'spam-move-ham-routine | |
1065 | 'spam-move-spam-routine | |
1066 | nil | |
1067 | nil) | |
1068 | ||
1069 | (spam-install-nocheck-backend 'spam-use-copy | |
1070 | 'spam-copy-ham-routine | |
1071 | 'spam-copy-spam-routine | |
1072 | nil | |
1073 | nil) | |
1074 | ||
1075 | (spam-install-nocheck-backend 'spam-use-gmane | |
1076 | 'spam-report-gmane-unregister-routine | |
1077 | 'spam-report-gmane-register-routine | |
1078 | 'spam-report-gmane-register-routine | |
1079 | 'spam-report-gmane-unregister-routine) | |
1080 | ||
1081 | (spam-install-nocheck-backend 'spam-use-resend | |
1082 | 'spam-report-resend-register-ham-routine | |
1083 | 'spam-report-resend-register-routine | |
1084 | nil | |
1085 | nil) | |
1086 | ||
3042deef | 1087 | (spam-install-backend 'spam-use-BBDB |
01c52d31 MB |
1088 | 'spam-check-BBDB |
1089 | 'spam-BBDB-register-routine | |
1090 | nil | |
1091 | 'spam-BBDB-unregister-routine | |
1092 | nil) | |
1093 | ||
1094 | (spam-install-backend-alias 'spam-use-BBDB 'spam-use-BBDB-exclusive) | |
1095 | ||
1096 | (spam-install-backend 'spam-use-blacklist | |
1097 | 'spam-check-blacklist | |
1098 | nil | |
1099 | 'spam-blacklist-register-routine | |
1100 | nil | |
1101 | 'spam-blacklist-unregister-routine) | |
1102 | ||
1103 | (spam-install-backend 'spam-use-whitelist | |
1104 | 'spam-check-whitelist | |
1105 | 'spam-whitelist-register-routine | |
1106 | nil | |
1107 | 'spam-whitelist-unregister-routine | |
1108 | nil) | |
1109 | ||
1110 | (spam-install-statistical-backend 'spam-use-ifile | |
1111 | 'spam-check-ifile | |
1112 | 'spam-ifile-register-ham-routine | |
1113 | 'spam-ifile-register-spam-routine | |
1114 | 'spam-ifile-unregister-ham-routine | |
1115 | 'spam-ifile-unregister-spam-routine) | |
1116 | ||
1117 | (spam-install-statistical-backend 'spam-use-spamoracle | |
1118 | 'spam-check-spamoracle | |
1119 | 'spam-spamoracle-learn-ham | |
1120 | 'spam-spamoracle-learn-spam | |
1121 | 'spam-spamoracle-unlearn-ham | |
1122 | 'spam-spamoracle-unlearn-spam) | |
1123 | ||
1124 | (spam-install-statistical-backend 'spam-use-stat | |
1125 | 'spam-check-stat | |
1126 | 'spam-stat-register-ham-routine | |
1127 | 'spam-stat-register-spam-routine | |
1128 | 'spam-stat-unregister-ham-routine | |
1129 | 'spam-stat-unregister-spam-routine) | |
1130 | ||
3042deef | 1131 | (spam-install-statistical-backend 'spam-use-spamassassin |
01c52d31 MB |
1132 | 'spam-check-spamassassin |
1133 | 'spam-spamassassin-register-ham-routine | |
1134 | 'spam-spamassassin-register-spam-routine | |
1135 | 'spam-spamassassin-unregister-ham-routine | |
1136 | 'spam-spamassassin-unregister-spam-routine) | |
1137 | ||
1138 | (spam-install-statistical-backend 'spam-use-bogofilter | |
1139 | 'spam-check-bogofilter | |
1140 | 'spam-bogofilter-register-ham-routine | |
1141 | 'spam-bogofilter-register-spam-routine | |
1142 | 'spam-bogofilter-unregister-ham-routine | |
1143 | 'spam-bogofilter-unregister-spam-routine) | |
1144 | ||
1145 | (spam-install-statistical-backend 'spam-use-bsfilter | |
1146 | 'spam-check-bsfilter | |
1147 | 'spam-bsfilter-register-ham-routine | |
1148 | 'spam-bsfilter-register-spam-routine | |
1149 | 'spam-bsfilter-unregister-ham-routine | |
1150 | 'spam-bsfilter-unregister-spam-routine) | |
1151 | ||
1152 | (spam-install-statistical-backend 'spam-use-crm114 | |
1153 | 'spam-check-crm114 | |
1154 | 'spam-crm114-register-ham-routine | |
1155 | 'spam-crm114-register-spam-routine | |
54c72c31 KY |
1156 | 'spam-crm114-unregister-ham-routine |
1157 | 'spam-crm114-unregister-spam-routine) | |
01c52d31 MB |
1158 | ;;}}} |
1159 | ||
1160 | ;;{{{ scoring and summary formatting | |
1161 | (defun spam-necessary-extra-headers () | |
1162 | "Return the extra headers spam.el thinks are necessary." | |
1163 | (let (list) | |
1164 | (when (or spam-use-spamassassin | |
1165 | spam-use-spamassassin-headers | |
1166 | spam-use-regex-headers) | |
1167 | (push 'X-Spam-Status list)) | |
1168 | (when (or spam-use-bogofilter | |
1169 | spam-use-regex-headers) | |
1170 | (push 'X-Bogosity list)) | |
1171 | (when (or spam-use-crm114 | |
1172 | spam-use-regex-headers) | |
1173 | (push 'X-CRM114-Status list)) | |
1174 | list)) | |
1175 | ||
1176 | (defun spam-user-format-function-S (headers) | |
1177 | (when headers | |
1178 | (format "%3.2f" | |
1179 | (spam-summary-score headers spam-summary-score-preferred-header)))) | |
1180 | ||
1181 | (defun spam-article-sort-by-spam-status (h1 h2) | |
1182 | "Sort articles by score." | |
1183 | (let (result) | |
1184 | (dolist (header (spam-necessary-extra-headers)) | |
1185 | (let ((s1 (spam-summary-score h1 header)) | |
1186 | (s2 (spam-summary-score h2 header))) | |
1187 | (unless (= s1 s2) | |
1188 | (setq result (< s1 s2)) | |
1189 | (return)))) | |
1190 | result)) | |
1191 | ||
1192 | (defvar spam-spamassassin-score-regexp | |
1193 | ".*\\b\\(?:score\\|hits\\)=\\(-?[0-9.]+\\)" | |
1194 | "Regexp matching SpamAssassin score header. | |
1195 | The first group must match the number.") | |
1196 | ||
1197 | (defun spam-extra-header-to-number (header headers) | |
1198 | "Transform an extra HEADER to a number, using list of HEADERS. | |
1199 | Note this has to be fast." | |
1200 | (let ((header-content (gnus-extra-header header headers))) | |
1201 | (if header-content | |
1202 | (cond | |
1203 | ((eq header 'X-Spam-Status) | |
1204 | (string-to-number (gnus-replace-in-string | |
1205 | header-content | |
1206 | spam-spamassassin-score-regexp | |
1207 | "\\1"))) | |
1208 | ;; for CRM checking, it's probably faster to just do the string match | |
1209 | ((string-match "( pR: \\([0-9.-]+\\)" header-content) | |
1210 | (- (string-to-number (match-string 1 header-content)))) | |
1211 | ((eq header 'X-Bogosity) | |
1212 | (string-to-number (gnus-replace-in-string | |
1213 | (gnus-replace-in-string | |
1214 | header-content | |
1215 | ".*spamicity=" "") | |
1216 | ",.*" ""))) | |
1217 | (t nil)) | |
1218 | nil))) | |
1219 | ||
1220 | (defun spam-summary-score (headers &optional specific-header) | |
1221 | "Score an article for the summary buffer, as fast as possible. | |
1222 | With SPECIFIC-HEADER, returns only that header's score. | |
1223 | Will not return a nil score." | |
1224 | (let (score) | |
3042deef | 1225 | (dolist (header |
01c52d31 MB |
1226 | (if specific-header |
1227 | (list specific-header) | |
1228 | (spam-necessary-extra-headers))) | |
3042deef | 1229 | (setq score |
01c52d31 | 1230 | (spam-extra-header-to-number header headers)) |
3042deef | 1231 | (when score |
01c52d31 MB |
1232 | (return))) |
1233 | (or score 0))) | |
1234 | ||
1235 | (defun spam-generic-score (&optional recheck) | |
1236 | "Invoke whatever scoring method we can." | |
1237 | (interactive "P") | |
1238 | (cond | |
1239 | ((or spam-use-spamassassin spam-use-spamassassin-headers) | |
1240 | (spam-spamassassin-score recheck)) | |
1241 | ((or spam-use-bsfilter spam-use-bsfilter-headers) | |
1242 | (spam-bsfilter-score recheck)) | |
1243 | (spam-use-crm114 | |
1244 | (spam-crm114-score)) | |
1245 | (t (spam-bogofilter-score recheck)))) | |
1246 | ;;}}} | |
1247 | ||
1248 | ;;{{{ set up widening, processor checks | |
1249 | ||
1250 | ;;; set up IMAP widening if it's necessary | |
1251 | (defun spam-setup-widening () | |
1252 | (when (spam-widening-needed-p) | |
1253 | (setq nnimap-split-download-body-default t))) | |
1254 | ||
1255 | (defun spam-widening-needed-p (&optional force-symbols) | |
1256 | (let (found) | |
1257 | (dolist (backend (spam-backend-list)) | |
1258 | (when (and (spam-backend-statistical-p backend) | |
3042deef | 1259 | (or (symbol-value backend) |
01c52d31 MB |
1260 | (memq backend force-symbols))) |
1261 | (setq found backend))) | |
1262 | found)) | |
1263 | ||
23f87bed | 1264 | (defvar spam-list-of-processors |
01c52d31 MB |
1265 | ;; note the nil processors are not defined in gnus.el |
1266 | '((gnus-group-spam-exit-processor-bogofilter spam spam-use-bogofilter) | |
1267 | (gnus-group-spam-exit-processor-bsfilter spam spam-use-bsfilter) | |
23f87bed MB |
1268 | (gnus-group-spam-exit-processor-blacklist spam spam-use-blacklist) |
1269 | (gnus-group-spam-exit-processor-ifile spam spam-use-ifile) | |
1270 | (gnus-group-spam-exit-processor-stat spam spam-use-stat) | |
1271 | (gnus-group-spam-exit-processor-spamoracle spam spam-use-spamoracle) | |
01c52d31 MB |
1272 | (gnus-group-spam-exit-processor-spamassassin spam spam-use-spamassassin) |
1273 | (gnus-group-spam-exit-processor-report-gmane spam spam-use-gmane) ;; Buggy? | |
23f87bed MB |
1274 | (gnus-group-ham-exit-processor-ifile ham spam-use-ifile) |
1275 | (gnus-group-ham-exit-processor-bogofilter ham spam-use-bogofilter) | |
01c52d31 | 1276 | (gnus-group-ham-exit-processor-bsfilter ham spam-use-bsfilter) |
23f87bed MB |
1277 | (gnus-group-ham-exit-processor-stat ham spam-use-stat) |
1278 | (gnus-group-ham-exit-processor-whitelist ham spam-use-whitelist) | |
1279 | (gnus-group-ham-exit-processor-BBDB ham spam-use-BBDB) | |
1280 | (gnus-group-ham-exit-processor-copy ham spam-use-ham-copy) | |
01c52d31 | 1281 | (gnus-group-ham-exit-processor-spamassassin ham spam-use-spamassassin) |
23f87bed | 1282 | (gnus-group-ham-exit-processor-spamoracle ham spam-use-spamoracle)) |
01c52d31 MB |
1283 | "The OBSOLETE `spam-list-of-processors' list. |
1284 | This list contains pairs associating the obsolete ham/spam exit | |
1285 | processor variables with a classification and a spam-use-* | |
1286 | variable. When the processor variable is nil, just the | |
1287 | classification and spam-use-* check variable are used. This is | |
3042deef | 1288 | superseded by the new spam backend code, so it's only consulted |
01c52d31 MB |
1289 | for backwards compatibility.") |
1290 | ||
1291 | (defun spam-group-processor-p (group backend &optional classification) | |
1292 | "Checks if GROUP has a BACKEND with CLASSIFICATION registered. | |
1293 | Also accepts the obsolete processors, which can be found in | |
1294 | gnus.el and in spam-list-of-processors. In the case of mover | |
3042deef | 1295 | backends, checks the setting of `spam-summary-exit-behavior' in |
01c52d31 | 1296 | addition to the set values for the group." |
23f87bed | 1297 | (if (and (stringp group) |
01c52d31 MB |
1298 | (symbolp backend)) |
1299 | (let ((old-style (assq backend spam-list-of-processors)) | |
1300 | (parameters (nth 0 (gnus-parameter-spam-process group))) | |
1301 | found) | |
1302 | (if old-style ; old-style processor | |
1303 | (spam-group-processor-p group (nth 2 old-style) (nth 1 old-style)) | |
1304 | ;; now search for the parameter | |
1305 | (dolist (parameter parameters) | |
1306 | (when (and (null found) | |
1307 | (listp parameter) | |
1308 | (eq classification (nth 0 parameter)) | |
1309 | (eq backend (nth 1 parameter))) | |
1310 | (setq found t))) | |
1311 | ||
1312 | ;; now, if the parameter was not found, do the | |
1313 | ;; spam-summary-exit-behavior-logic for mover backends | |
1314 | (unless found | |
1315 | (when (spam-backend-mover-p backend) | |
3042deef | 1316 | (setq |
01c52d31 MB |
1317 | found |
1318 | (cond | |
1319 | ((eq spam-summary-exit-behavior 'move-all) t) | |
1320 | ((eq spam-summary-exit-behavior 'move-none) nil) | |
1321 | ((eq spam-summary-exit-behavior 'default) | |
1322 | (or (eq classification 'spam) ;move spam out of all groups | |
1323 | ;; move ham out of spam groups | |
1324 | (and (eq classification 'ham) | |
1325 | (spam-group-spam-contents-p group)))) | |
3042deef | 1326 | (t (gnus-error 5 "Unknown spam-summary-exit-behavior: %s" |
01c52d31 MB |
1327 | spam-summary-exit-behavior)))))) |
1328 | ||
1329 | found)) | |
23f87bed MB |
1330 | nil)) |
1331 | ||
01c52d31 | 1332 | ;;}}} |
23f87bed | 1333 | |
01c52d31 | 1334 | ;;{{{ Summary entry and exit processing. |
23f87bed | 1335 | |
01c52d31 MB |
1336 | (defun spam-mark-junk-as-spam-routine () |
1337 | ;; check the global list of group names spam-junk-mailgroups and the | |
1338 | ;; group parameters | |
1339 | (when (spam-group-spam-contents-p gnus-newsgroup-name) | |
1340 | (gnus-message 6 "Marking %s articles as spam" | |
1341 | (if spam-mark-only-unseen-as-spam | |
1342 | "unseen" | |
1343 | "unread")) | |
1344 | (let ((articles (if spam-mark-only-unseen-as-spam | |
1345 | gnus-newsgroup-unseen | |
1346 | gnus-newsgroup-unreads))) | |
1347 | (if spam-mark-new-messages-in-spam-group-as-spam | |
1348 | (dolist (article articles) | |
1349 | (gnus-summary-mark-article article gnus-spam-mark)) | |
1350 | (gnus-message 9 "Did not mark new messages as spam."))))) | |
23f87bed MB |
1351 | |
1352 | (defun spam-summary-prepare () | |
01c52d31 MB |
1353 | (setq spam-old-articles |
1354 | (list (cons 'ham (spam-list-articles gnus-newsgroup-articles 'ham)) | |
1355 | (cons 'spam (spam-list-articles gnus-newsgroup-articles 'spam)))) | |
23f87bed MB |
1356 | (spam-mark-junk-as-spam-routine)) |
1357 | ||
1358 | ;; The spam processors are invoked for any group, spam or ham or neither | |
1359 | (defun spam-summary-prepare-exit () | |
1360 | (unless gnus-group-is-exiting-without-update-p | |
1361 | (gnus-message 6 "Exiting summary buffer and applying spam rules") | |
1362 | ||
01c52d31 MB |
1363 | ;; before we begin, remove any article limits |
1364 | ; (ignore-errors | |
1365 | ; (gnus-summary-pop-limit t)) | |
1366 | ||
23f87bed MB |
1367 | ;; first of all, unregister any articles that are no longer ham or spam |
1368 | ;; we have to iterate over the processors, or else we'll be too slow | |
01c52d31 MB |
1369 | (dolist (classification (spam-classifications)) |
1370 | (let* ((old-articles (cdr-safe (assq classification spam-old-articles))) | |
23f87bed MB |
1371 | (new-articles (spam-list-articles |
1372 | gnus-newsgroup-articles | |
1373 | classification)) | |
01c52d31 | 1374 | (changed-articles (spam-set-difference new-articles old-articles))) |
23f87bed | 1375 | ;; now that we have the changed articles, we go through the processors |
01c52d31 MB |
1376 | (dolist (backend (spam-backend-list)) |
1377 | (let (unregister-list) | |
23f87bed MB |
1378 | (dolist (article changed-articles) |
1379 | (let ((id (spam-fetch-field-message-id-fast article))) | |
1380 | (when (spam-log-unregistration-needed-p | |
01c52d31 | 1381 | id 'process classification backend) |
23f87bed MB |
1382 | (push article unregister-list)))) |
1383 | ;; call spam-register-routine with specific articles to unregister, | |
1384 | ;; when there are articles to unregister and the check is enabled | |
01c52d31 | 1385 | (when (and unregister-list (symbol-value backend)) |
3042deef JB |
1386 | (spam-backend-put-article-todo-list backend |
1387 | classification | |
01c52d31 MB |
1388 | unregister-list |
1389 | t)))))) | |
23f87bed | 1390 | |
01c52d31 MB |
1391 | ;; do the non-moving backends first, then the moving ones |
1392 | (dolist (backend-type '(non-mover mover)) | |
1393 | (dolist (classification (spam-classifications)) | |
1394 | (dolist (backend (spam-backend-list backend-type)) | |
1395 | (when (spam-group-processor-p | |
1396 | gnus-newsgroup-name | |
1397 | backend | |
1398 | classification) | |
3042deef | 1399 | (spam-backend-put-article-todo-list backend |
01c52d31 MB |
1400 | classification |
1401 | (spam-list-articles | |
1402 | gnus-newsgroup-articles | |
1403 | classification)))))) | |
23f87bed | 1404 | |
01c52d31 MB |
1405 | (spam-resolve-registrations-routine) ; do the registrations now |
1406 | ||
1407 | ;; we mark all the leftover spam articles as expired at the end | |
1408 | (dolist (article (spam-list-articles | |
1409 | gnus-newsgroup-articles | |
1410 | 'spam)) | |
1411 | (gnus-summary-mark-article article gnus-expirable-mark))) | |
1412 | ||
1413 | (setq spam-old-articles nil)) | |
1414 | ||
1415 | ;;}}} | |
23f87bed | 1416 | |
01c52d31 | 1417 | ;;{{{ spam-use-move and spam-use-copy backend support functions |
23f87bed | 1418 | |
01c52d31 | 1419 | (defun spam-copy-or-move-routine (copy groups articles classification) |
23f87bed | 1420 | |
01c52d31 MB |
1421 | (when (and (car-safe groups) (listp (car-safe groups))) |
1422 | (setq groups (pop groups))) | |
1423 | ||
1424 | (unless (listp groups) | |
1425 | (setq groups (list groups))) | |
1426 | ||
1427 | ;; remove the current process mark | |
23f87bed | 1428 | (gnus-summary-kill-process-mark) |
01c52d31 MB |
1429 | |
1430 | (let ((backend-supports-deletions | |
23f87bed MB |
1431 | (gnus-check-backend-function |
1432 | 'request-move-article gnus-newsgroup-name)) | |
1433 | (respool-method (gnus-find-method-for-group gnus-newsgroup-name)) | |
f5e92214 | 1434 | article mark deletep respool) |
23f87bed MB |
1435 | |
1436 | (when (member 'respool groups) | |
1437 | (setq respool t) ; boolean for later | |
1438 | (setq groups '("fake"))) ; when respooling, groups are dynamic so fake it | |
1439 | ||
1440 | ;; now do the actual move | |
1441 | (dolist (group groups) | |
01c52d31 | 1442 | (when (and articles (stringp group)) |
23f87bed | 1443 | |
01c52d31 MB |
1444 | ;; first, mark the article with the process mark and, if needed, |
1445 | ;; the unread or expired mark (for ham and spam respectively) | |
1446 | (dolist (article articles) | |
1447 | (when (and (eq classification 'ham) | |
1448 | spam-mark-ham-unread-before-move-from-spam-group) | |
1449 | (gnus-message 9 "Marking ham article %d unread before move" | |
1450 | article) | |
1451 | (gnus-summary-mark-article article gnus-unread-mark)) | |
1452 | (when (and (eq classification 'spam) | |
1453 | (not copy)) | |
1454 | (gnus-message 9 "Marking spam article %d expirable before move" | |
1455 | article) | |
1456 | (gnus-summary-mark-article article gnus-expirable-mark)) | |
1457 | (gnus-summary-set-process-mark article) | |
3042deef | 1458 | |
01c52d31 MB |
1459 | (if respool ; respooling is with a "fake" group |
1460 | (let ((spam-split-disabled | |
1461 | (or spam-split-disabled | |
3042deef | 1462 | (and (eq classification 'ham) |
01c52d31 MB |
1463 | spam-disable-spam-split-during-ham-respool)))) |
1464 | (gnus-message 9 "Respooling article %d with method %s" | |
1465 | article respool-method) | |
1466 | (gnus-summary-respool-article nil respool-method)) | |
1467 | (if (or (not backend-supports-deletions) ; else, we are not respooling | |
1468 | (> (length groups) 1)) | |
1469 | (progn ; if copying, copy and set deletep | |
1470 | (gnus-message 9 "Copying article %d to group %s" | |
1471 | article group) | |
1472 | (gnus-summary-copy-article nil group) | |
1473 | (setq deletep t)) | |
1474 | (gnus-message 9 "Moving article %d to group %s" | |
1475 | article group) | |
1476 | (gnus-summary-move-article nil group))))) ; else move articles | |
3042deef | 1477 | |
01c52d31 MB |
1478 | ;; now delete the articles, unless a) copy is t, and there was a copy done |
1479 | ;; b) a move was done to a single group | |
1480 | ;; c) backend-supports-deletions is nil | |
1481 | (unless copy | |
1482 | (when (and deletep backend-supports-deletions) | |
1483 | (dolist (article articles) | |
1484 | (gnus-summary-set-process-mark article) | |
1485 | (gnus-message 9 "Deleting article %d" article)) | |
1486 | (when articles | |
1487 | (let ((gnus-novice-user nil)) ; don't ask me if I'm sure | |
1488 | (gnus-summary-delete-article nil))))) | |
3042deef | 1489 | |
01c52d31 MB |
1490 | (gnus-summary-yank-process-mark) |
1491 | (length articles)))) | |
1492 | ||
1493 | (defun spam-copy-spam-routine (articles) | |
3042deef JB |
1494 | (spam-copy-or-move-routine |
1495 | t | |
01c52d31 MB |
1496 | (gnus-parameter-spam-process-destination gnus-newsgroup-name) |
1497 | articles | |
1498 | 'spam)) | |
1499 | ||
1500 | (defun spam-move-spam-routine (articles) | |
3042deef | 1501 | (spam-copy-or-move-routine |
01c52d31 MB |
1502 | nil |
1503 | (gnus-parameter-spam-process-destination gnus-newsgroup-name) | |
1504 | articles | |
1505 | 'spam)) | |
1506 | ||
1507 | (defun spam-copy-ham-routine (articles) | |
3042deef JB |
1508 | (spam-copy-or-move-routine |
1509 | t | |
01c52d31 MB |
1510 | (gnus-parameter-ham-process-destination gnus-newsgroup-name) |
1511 | articles | |
1512 | 'ham)) | |
1513 | ||
1514 | (defun spam-move-ham-routine (articles) | |
3042deef | 1515 | (spam-copy-or-move-routine |
01c52d31 MB |
1516 | nil |
1517 | (gnus-parameter-ham-process-destination gnus-newsgroup-name) | |
1518 | articles | |
1519 | 'ham)) | |
1520 | ||
1521 | ;;}}} | |
1522 | ||
1523 | ;;{{{ article and field retrieval code | |
23f87bed | 1524 | (defun spam-get-article-as-string (article) |
01c52d31 MB |
1525 | (when (numberp article) |
1526 | (with-temp-buffer | |
1527 | (gnus-request-article-this-buffer | |
1528 | article | |
1529 | gnus-newsgroup-name) | |
1530 | (buffer-string)))) | |
23f87bed MB |
1531 | |
1532 | ;; disabled for now | |
1533 | ;; (defun spam-get-article-as-filename (article) | |
1534 | ;; (let ((article-filename)) | |
1535 | ;; (when (numberp article) | |
1536 | ;; (nnml-possibly-change-directory | |
1537 | ;; (gnus-group-real-name gnus-newsgroup-name)) | |
1538 | ;; (setq article-filename (expand-file-name | |
1539 | ;; (int-to-string article) nnml-current-directory))) | |
1540 | ;; (if (file-exists-p article-filename) | |
1541 | ;; article-filename | |
1542 | ;; nil))) | |
1543 | ||
01c52d31 MB |
1544 | (defun spam-fetch-field-fast (article field &optional prepared-data-header) |
1545 | "Fetch a FIELD for ARTICLE quickly, using the internal gnus-data-list function. | |
1546 | When PREPARED-DATA-HEADER is given, don't look in the Gnus data. | |
1547 | When FIELD is 'number, ARTICLE can be any number (since we want | |
1548 | to find it out)." | |
1549 | (when (numberp article) | |
1550 | (let* ((data-header (or prepared-data-header | |
1551 | (spam-fetch-article-header article)))) | |
1552 | (if (arrayp data-header) | |
1553 | (cond | |
1554 | ((equal field 'number) | |
1555 | (mail-header-number data-header)) | |
1556 | ((equal field 'from) | |
1557 | (mail-header-from data-header)) | |
1558 | ((equal field 'message-id) | |
1559 | (mail-header-message-id data-header)) | |
1560 | ((equal field 'subject) | |
1561 | (mail-header-subject data-header)) | |
1562 | ((equal field 'references) | |
1563 | (mail-header-references data-header)) | |
1564 | ((equal field 'date) | |
1565 | (mail-header-date data-header)) | |
1566 | ((equal field 'xref) | |
1567 | (mail-header-xref data-header)) | |
1568 | ((equal field 'extra) | |
1569 | (mail-header-extra data-header)) | |
1570 | (t | |
3042deef JB |
1571 | (gnus-error |
1572 | 5 | |
1573 | "spam-fetch-field-fast: unknown field %s requested" | |
01c52d31 MB |
1574 | field) |
1575 | nil)) | |
1576 | (gnus-message 6 "Article %d has a nil data header" article))))) | |
1577 | ||
1578 | (defun spam-fetch-field-from-fast (article &optional prepared-data-header) | |
1579 | (spam-fetch-field-fast article 'from prepared-data-header)) | |
1580 | ||
1581 | (defun spam-fetch-field-subject-fast (article &optional prepared-data-header) | |
1582 | (spam-fetch-field-fast article 'subject prepared-data-header)) | |
1583 | ||
1584 | (defun spam-fetch-field-message-id-fast (article &optional prepared-data-header) | |
1585 | (spam-fetch-field-fast article 'message-id prepared-data-header)) | |
1586 | ||
1587 | (defun spam-generate-fake-headers (article) | |
1588 | (let ((dh (spam-fetch-article-header article))) | |
1589 | (if dh | |
1590 | (concat | |
1591 | (format | |
1592 | ;; 80-character limit makes for strange constructs | |
1593 | (concat "From: %s\nSubject: %s\nMessage-ID: %s\n" | |
1594 | "Date: %s\nReferences: %s\nXref: %s\n") | |
1595 | (spam-fetch-field-fast article 'from dh) | |
1596 | (spam-fetch-field-fast article 'subject dh) | |
1597 | (spam-fetch-field-fast article 'message-id dh) | |
1598 | (spam-fetch-field-fast article 'date dh) | |
1599 | (spam-fetch-field-fast article 'references dh) | |
1600 | (spam-fetch-field-fast article 'xref dh)) | |
1601 | (when (spam-fetch-field-fast article 'extra dh) | |
1602 | (format "%s\n" (spam-fetch-field-fast article 'extra dh)))) | |
1603 | (gnus-message | |
1604 | 5 | |
1605 | "spam-generate-fake-headers: article %d didn't have a valid header" | |
1606 | article)))) | |
1607 | ||
1608 | (defun spam-fetch-article-header (article) | |
20a673b2 | 1609 | (with-current-buffer gnus-summary-buffer |
01c52d31 MB |
1610 | (gnus-read-header article) |
1611 | (nth 3 (assq article gnus-newsgroup-data)))) | |
1612 | ;;}}} | |
1613 | ||
1614 | ;;{{{ Spam determination. | |
23f87bed | 1615 | |
23f87bed MB |
1616 | (defun spam-split (&rest specific-checks) |
1617 | "Split this message into the `spam' group if it is spam. | |
1618 | This function can be used as an entry in the variable `nnmail-split-fancy', | |
1619 | for example like this: (: spam-split). It can take checks as | |
1620 | parameters. A string as a parameter will set the | |
3042deef | 1621 | `spam-split-group' to that string. |
23f87bed MB |
1622 | |
1623 | See the Info node `(gnus)Fancy Mail Splitting' for more details." | |
1624 | (interactive) | |
1625 | (setq spam-split-last-successful-check nil) | |
1626 | (unless spam-split-disabled | |
1627 | (let ((spam-split-group-choice spam-split-group)) | |
1628 | (dolist (check specific-checks) | |
1629 | (when (stringp check) | |
1630 | (setq spam-split-group-choice check) | |
1631 | (setq specific-checks (delq check specific-checks)))) | |
1632 | ||
01c52d31 MB |
1633 | (let ((spam-split-group spam-split-group-choice) |
1634 | (widening-needed-check (spam-widening-needed-p specific-checks))) | |
23f87bed MB |
1635 | (save-excursion |
1636 | (save-restriction | |
01c52d31 MB |
1637 | (when widening-needed-check |
1638 | (widen) | |
1639 | (gnus-message 8 "spam-split: widening the buffer (%s requires it)" | |
1640 | widening-needed-check)) | |
1641 | (let ((backends (spam-backend-list)) | |
23f87bed | 1642 | decision) |
01c52d31 MB |
1643 | (while (and backends (not decision)) |
1644 | (let* ((backend (pop backends)) | |
1645 | (check-function (spam-backend-check backend)) | |
1646 | (spam-split-group (if spam-split-symbolic-return | |
1647 | 'spam | |
1648 | spam-split-group))) | |
1649 | (when (or | |
1650 | ;; either, given specific checks, this is one of them | |
1651 | (memq backend specific-checks) | |
1652 | ;; or, given no specific checks, spam-use-CHECK is set | |
1653 | (and (null specific-checks) (symbol-value backend))) | |
1654 | (gnus-message 6 "spam-split: calling the %s function" | |
1655 | check-function) | |
1656 | (setq decision (funcall check-function)) | |
23f87bed MB |
1657 | ;; if we got a decision at all, save the current check |
1658 | (when decision | |
01c52d31 | 1659 | (setq spam-split-last-successful-check backend)) |
23f87bed MB |
1660 | |
1661 | (when (eq decision 'spam) | |
01c52d31 | 1662 | (unless spam-split-symbolic-return |
23f87bed MB |
1663 | (gnus-error |
1664 | 5 | |
1665 | (format "spam-split got %s but %s is nil" | |
01c52d31 MB |
1666 | decision |
1667 | spam-split-symbolic-return))))))) | |
23f87bed MB |
1668 | (if (eq decision t) |
1669 | (if spam-split-symbolic-return-positive 'ham nil) | |
1670 | decision)))))))) | |
1671 | ||
1672 | (defun spam-find-spam () | |
3042deef | 1673 | "Detect spam in the current newsgroup using `spam-split'." |
23f87bed MB |
1674 | (interactive) |
1675 | ||
1676 | (let* ((group gnus-newsgroup-name) | |
1677 | (autodetect (gnus-parameter-spam-autodetect group)) | |
1678 | (methods (gnus-parameter-spam-autodetect-methods group)) | |
01c52d31 MB |
1679 | (first-method (nth 0 methods)) |
1680 | (articles (if spam-autodetect-recheck-messages | |
1681 | gnus-newsgroup-articles | |
1682 | gnus-newsgroup-unseen)) | |
1683 | article-cannot-be-faked) | |
1684 | ||
3042deef | 1685 | |
01c52d31 MB |
1686 | (dolist (backend methods) |
1687 | (when (spam-backend-statistical-p backend) | |
1688 | (setq article-cannot-be-faked t) | |
1689 | (return))) | |
1690 | ||
1691 | (when (memq 'default methods) | |
1692 | (setq article-cannot-be-faked t)) | |
1693 | ||
1694 | (when (and autodetect | |
1695 | (not (equal first-method 'none))) | |
1696 | (mapcar | |
1697 | (lambda (article) | |
1698 | (let ((id (spam-fetch-field-message-id-fast article)) | |
1699 | (subject (spam-fetch-field-subject-fast article)) | |
1700 | (sender (spam-fetch-field-from-fast article)) | |
1701 | registry-lookup) | |
3042deef | 1702 | |
01c52d31 MB |
1703 | (unless id |
1704 | (gnus-message 6 "Article %d has no message ID!" article)) | |
3042deef | 1705 | |
01c52d31 MB |
1706 | (when (and id spam-log-to-registry) |
1707 | (setq registry-lookup (spam-log-registration-type id 'incoming)) | |
1708 | (when registry-lookup | |
1709 | (gnus-message | |
1710 | 9 | |
1711 | "spam-find-spam: message %s was already registered incoming" | |
1712 | id))) | |
1713 | ||
23f87bed MB |
1714 | (let* ((spam-split-symbolic-return t) |
1715 | (spam-split-symbolic-return-positive t) | |
01c52d31 | 1716 | (fake-headers (spam-generate-fake-headers article)) |
23f87bed | 1717 | (split-return |
01c52d31 MB |
1718 | (or registry-lookup |
1719 | (with-temp-buffer | |
1720 | (if article-cannot-be-faked | |
1721 | (gnus-request-article-this-buffer | |
1722 | article | |
1723 | group) | |
1724 | ;; else, we fake the article | |
1725 | (when fake-headers (insert fake-headers))) | |
1726 | (if (or (null first-method) | |
1727 | (equal first-method 'default)) | |
1728 | (spam-split) | |
1729 | (apply 'spam-split methods)))))) | |
23f87bed MB |
1730 | (if (equal split-return 'spam) |
1731 | (gnus-summary-mark-article article gnus-spam-mark)) | |
3042deef | 1732 | |
01c52d31 | 1733 | (when (and id split-return spam-log-to-registry) |
23f87bed MB |
1734 | (when (zerop (gnus-registry-group-count id)) |
1735 | (gnus-registry-add-group | |
1736 | id group subject sender)) | |
3042deef | 1737 | |
01c52d31 MB |
1738 | (unless registry-lookup |
1739 | (spam-log-processing-to-registry | |
1740 | id | |
1741 | 'incoming | |
1742 | split-return | |
1743 | spam-split-last-successful-check | |
1744 | group)))))) | |
1745 | articles)))) | |
1746 | ||
1747 | ;;}}} | |
1748 | ||
1749 | ;;{{{ registration/unregistration functions | |
1750 | ||
1751 | (defun spam-resolve-registrations-routine () | |
1752 | "Go through the backends and register or unregister articles as needed." | |
1753 | (dolist (backend-type '(non-mover mover)) | |
1754 | (dolist (classification (spam-classifications)) | |
1755 | (dolist (backend (spam-backend-list backend-type)) | |
1756 | (let ((rlist (spam-backend-get-article-todo-list | |
1757 | backend classification)) | |
1758 | (ulist (spam-backend-get-article-todo-list | |
1759 | backend classification t)) | |
1760 | (delcount 0)) | |
1761 | ||
1762 | ;; clear the old lists right away | |
3042deef | 1763 | (spam-backend-put-article-todo-list backend |
01c52d31 MB |
1764 | classification |
1765 | nil | |
1766 | nil) | |
3042deef | 1767 | (spam-backend-put-article-todo-list backend |
01c52d31 MB |
1768 | classification |
1769 | nil | |
1770 | t) | |
1771 | ||
1772 | ;; eliminate duplicates | |
1773 | (dolist (article (copy-sequence ulist)) | |
1774 | (when (memq article rlist) | |
1775 | (incf delcount) | |
1776 | (setq rlist (delq article rlist)) | |
1777 | (setq ulist (delq article ulist)))) | |
3042deef | 1778 | |
01c52d31 | 1779 | (unless (zerop delcount) |
3042deef JB |
1780 | (gnus-message |
1781 | 9 | |
01c52d31 MB |
1782 | "%d messages were saved the trouble of unregistering and then registering" |
1783 | delcount)) | |
3042deef | 1784 | |
01c52d31 MB |
1785 | ;; unregister articles |
1786 | (unless (zerop (length ulist)) | |
1787 | (let ((num (spam-unregister-routine classification backend ulist))) | |
1788 | (when (> num 0) | |
3042deef | 1789 | (gnus-message |
01c52d31 MB |
1790 | 6 |
1791 | "%d %s messages were unregistered by backend %s." | |
1792 | num | |
1793 | classification | |
1794 | backend)))) | |
3042deef | 1795 | |
01c52d31 MB |
1796 | ;; register articles |
1797 | (unless (zerop (length rlist)) | |
1798 | (let ((num (spam-register-routine classification backend rlist))) | |
1799 | (when (> num 0) | |
3042deef | 1800 | (gnus-message |
01c52d31 MB |
1801 | 6 |
1802 | "%d %s messages were registered by backend %s." | |
1803 | num | |
1804 | classification | |
1805 | backend))))))))) | |
23f87bed | 1806 | |
01c52d31 | 1807 | (defun spam-unregister-routine (classification |
3042deef | 1808 | backend |
01c52d31 MB |
1809 | specific-articles) |
1810 | (spam-register-routine classification backend specific-articles t)) | |
23f87bed MB |
1811 | |
1812 | (defun spam-register-routine (classification | |
3042deef | 1813 | backend |
01c52d31 MB |
1814 | specific-articles |
1815 | &optional unregister) | |
23f87bed | 1816 | (when (and (spam-classification-valid-p classification) |
01c52d31 | 1817 | (spam-backend-valid-p backend)) |
23f87bed | 1818 | (let* ((register-function |
01c52d31 | 1819 | (spam-backend-function backend classification 'registration)) |
23f87bed | 1820 | (unregister-function |
01c52d31 | 1821 | (spam-backend-function backend classification 'unregistration)) |
23f87bed MB |
1822 | (run-function (if unregister |
1823 | unregister-function | |
1824 | register-function)) | |
1825 | (log-function (if unregister | |
1826 | 'spam-log-undo-registration | |
1827 | 'spam-log-processing-to-registry)) | |
1828 | article articles) | |
1829 | ||
1830 | (when run-function | |
1831 | ;; make list of articles, using specific-articles if given | |
1832 | (setq articles (or specific-articles | |
1833 | (spam-list-articles | |
1834 | gnus-newsgroup-articles | |
1835 | classification))) | |
1836 | ;; process them | |
01c52d31 MB |
1837 | (when (> (length articles) 0) |
1838 | (gnus-message 5 "%s %d %s articles as %s using backend %s" | |
1839 | (if unregister "Unregistering" "Registering") | |
1840 | (length articles) | |
1841 | (if specific-articles "specific" "") | |
1842 | classification | |
1843 | backend) | |
1844 | (funcall run-function articles) | |
1845 | ;; now log all the registrations (or undo them, depending on | |
1846 | ;; unregister) | |
1847 | (dolist (article articles) | |
1848 | (funcall log-function | |
1849 | (spam-fetch-field-message-id-fast article) | |
1850 | 'process | |
1851 | classification | |
1852 | backend | |
1853 | gnus-newsgroup-name)))) | |
1854 | ;; return the number of articles processed | |
1855 | (length articles)))) | |
23f87bed MB |
1856 | |
1857 | ;;; log a ham- or spam-processor invocation to the registry | |
01c52d31 | 1858 | (defun spam-log-processing-to-registry (id type classification backend group) |
23f87bed MB |
1859 | (when spam-log-to-registry |
1860 | (if (and (stringp id) | |
1861 | (stringp group) | |
1862 | (spam-process-type-valid-p type) | |
1863 | (spam-classification-valid-p classification) | |
01c52d31 | 1864 | (spam-backend-valid-p backend)) |
23f87bed | 1865 | (let ((cell-list (cdr-safe (gnus-registry-fetch-extra id type))) |
01c52d31 | 1866 | (cell (list classification backend group))) |
23f87bed MB |
1867 | (push cell cell-list) |
1868 | (gnus-registry-store-extra-entry | |
1869 | id | |
1870 | type | |
1871 | cell-list)) | |
1872 | ||
01c52d31 MB |
1873 | (gnus-error |
1874 | 7 | |
1875 | (format "%s call with bad ID, type, classification, spam-backend, or group" | |
1876 | "spam-log-processing-to-registry"))))) | |
23f87bed MB |
1877 | |
1878 | ;;; check if a ham- or spam-processor registration has been done | |
1879 | (defun spam-log-registered-p (id type) | |
1880 | (when spam-log-to-registry | |
1881 | (if (and (stringp id) | |
1882 | (spam-process-type-valid-p type)) | |
1883 | (cdr-safe (gnus-registry-fetch-extra id type)) | |
1884 | (progn | |
01c52d31 MB |
1885 | (gnus-error |
1886 | 7 | |
1887 | (format "%s called with bad ID, type, classification, or spam-backend" | |
1888 | "spam-log-registered-p")) | |
23f87bed MB |
1889 | nil)))) |
1890 | ||
01c52d31 MB |
1891 | ;;; check what a ham- or spam-processor registration says |
1892 | ;;; returns nil if conflicting registrations are found | |
1893 | (defun spam-log-registration-type (id type) | |
1894 | (let ((count 0) | |
1895 | decision) | |
1896 | (dolist (reg (spam-log-registered-p id type)) | |
1897 | (let ((classification (nth 0 reg))) | |
1898 | (when (spam-classification-valid-p classification) | |
1899 | (when (and decision | |
1900 | (not (eq classification decision))) | |
1901 | (setq count (+ 1 count))) | |
1902 | (setq decision classification)))) | |
1903 | (if (< 0 count) | |
1904 | nil | |
1905 | decision))) | |
1906 | ||
1907 | ||
23f87bed | 1908 | ;;; check if a ham- or spam-processor registration needs to be undone |
01c52d31 | 1909 | (defun spam-log-unregistration-needed-p (id type classification backend) |
23f87bed MB |
1910 | (when spam-log-to-registry |
1911 | (if (and (stringp id) | |
1912 | (spam-process-type-valid-p type) | |
1913 | (spam-classification-valid-p classification) | |
01c52d31 | 1914 | (spam-backend-valid-p backend)) |
23f87bed MB |
1915 | (let ((cell-list (cdr-safe (gnus-registry-fetch-extra id type))) |
1916 | found) | |
1917 | (dolist (cell cell-list) | |
1918 | (unless found | |
1919 | (when (and (eq classification (nth 0 cell)) | |
01c52d31 | 1920 | (eq backend (nth 1 cell))) |
23f87bed MB |
1921 | (setq found t)))) |
1922 | found) | |
1923 | (progn | |
01c52d31 MB |
1924 | (gnus-error |
1925 | 7 | |
1926 | (format "%s called with bad ID, type, classification, or spam-backend" | |
1927 | "spam-log-unregistration-needed-p")) | |
23f87bed MB |
1928 | nil)))) |
1929 | ||
1930 | ||
1931 | ;;; undo a ham- or spam-processor registration (the group is not used) | |
01c52d31 | 1932 | (defun spam-log-undo-registration (id type classification backend &optional group) |
23f87bed | 1933 | (when (and spam-log-to-registry |
01c52d31 | 1934 | (spam-log-unregistration-needed-p id type classification backend)) |
23f87bed MB |
1935 | (if (and (stringp id) |
1936 | (spam-process-type-valid-p type) | |
1937 | (spam-classification-valid-p classification) | |
01c52d31 | 1938 | (spam-backend-valid-p backend)) |
23f87bed MB |
1939 | (let ((cell-list (cdr-safe (gnus-registry-fetch-extra id type))) |
1940 | new-cell-list found) | |
1941 | (dolist (cell cell-list) | |
1942 | (unless (and (eq classification (nth 0 cell)) | |
01c52d31 | 1943 | (eq backend (nth 1 cell))) |
23f87bed MB |
1944 | (push cell new-cell-list))) |
1945 | (gnus-registry-store-extra-entry | |
1946 | id | |
1947 | type | |
1948 | new-cell-list)) | |
1949 | (progn | |
01c52d31 MB |
1950 | (gnus-error 7 (format "%s call with bad ID, type, spam-backend, or group" |
1951 | "spam-log-undo-registration")) | |
23f87bed MB |
1952 | nil)))) |
1953 | ||
01c52d31 MB |
1954 | ;;}}} |
1955 | ||
1956 | ;;{{{ backend functions | |
23f87bed | 1957 | |
01c52d31 MB |
1958 | ;;{{{ Gmane xrefs |
1959 | (defun spam-check-gmane-xref () | |
1960 | (let ((header (or | |
1961 | (message-fetch-field "Xref") | |
1962 | (message-fetch-field "Newsgroups")))) | |
1963 | (when header ; return nil when no header | |
1964 | (when (string-match spam-gmane-xref-spam-group | |
1965 | header) | |
1966 | spam-split-group)))) | |
1967 | ||
1968 | ;;}}} | |
1969 | ||
1970 | ;;{{{ Regex body | |
23f87bed MB |
1971 | |
1972 | (defun spam-check-regex-body () | |
1973 | (let ((spam-regex-headers-ham spam-regex-body-ham) | |
1974 | (spam-regex-headers-spam spam-regex-body-spam)) | |
1975 | (spam-check-regex-headers t))) | |
1976 | ||
01c52d31 MB |
1977 | ;;}}} |
1978 | ||
1979 | ;;{{{ Regex headers | |
23f87bed MB |
1980 | |
1981 | (defun spam-check-regex-headers (&optional body) | |
1982 | (let ((type (if body "body" "header")) | |
23f87bed MB |
1983 | ret found) |
1984 | (dolist (h-regex spam-regex-headers-ham) | |
1985 | (unless found | |
1986 | (goto-char (point-min)) | |
1987 | (when (re-search-forward h-regex nil t) | |
1988 | (message "Ham regex %s search positive." type) | |
1989 | (setq found t)))) | |
1990 | (dolist (s-regex spam-regex-headers-spam) | |
1991 | (unless found | |
1992 | (goto-char (point-min)) | |
1993 | (when (re-search-forward s-regex nil t) | |
1994 | (message "Spam regex %s search positive." type) | |
1995 | (setq found t) | |
1996 | (setq ret spam-split-group)))) | |
1997 | ret)) | |
1998 | ||
01c52d31 MB |
1999 | ;;}}} |
2000 | ||
2001 | ;;{{{ Blackholes. | |
23f87bed MB |
2002 | |
2003 | (defun spam-reverse-ip-string (ip) | |
2004 | (when (stringp ip) | |
2005 | (mapconcat 'identity | |
2006 | (nreverse (split-string ip "\\.")) | |
2007 | "."))) | |
2008 | ||
2009 | (defun spam-check-blackholes () | |
2010 | "Check the Received headers for blackholed relays." | |
01c52d31 | 2011 | (let ((headers (message-fetch-field "received")) |
23f87bed MB |
2012 | ips matches) |
2013 | (when headers | |
2014 | (with-temp-buffer | |
2015 | (insert headers) | |
2016 | (goto-char (point-min)) | |
01c52d31 | 2017 | (gnus-message 6 "Checking headers for relay addresses") |
23f87bed MB |
2018 | (while (re-search-forward |
2019 | "\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) | |
2020 | (gnus-message 9 "Blackhole search found host IP %s." (match-string 1)) | |
2021 | (push (spam-reverse-ip-string (match-string 1)) | |
2022 | ips))) | |
2023 | (dolist (server spam-blackhole-servers) | |
2024 | (dolist (ip ips) | |
2025 | (unless (and spam-blackhole-good-server-regex | |
2026 | ;; match the good-server-regex against the reversed (again) IP string | |
2027 | (string-match | |
2028 | spam-blackhole-good-server-regex | |
2029 | (spam-reverse-ip-string ip))) | |
2030 | (unless matches | |
2031 | (let ((query-string (concat ip "." server))) | |
2032 | (if spam-use-dig | |
2033 | (let ((query-result (query-dig query-string))) | |
2034 | (when query-result | |
01c52d31 | 2035 | (gnus-message 6 "(DIG): positive blackhole check '%s'" |
23f87bed MB |
2036 | query-result) |
2037 | (push (list ip server query-result) | |
2038 | matches))) | |
2039 | ;; else, if not using dig.el | |
9cc20f6c | 2040 | (when (dns-query query-string) |
01c52d31 | 2041 | (gnus-message 6 "positive blackhole check") |
9cc20f6c | 2042 | (push (list ip server (dns-query query-string 'TXT)) |
23f87bed MB |
2043 | matches))))))))) |
2044 | (when matches | |
2045 | spam-split-group))) | |
01c52d31 | 2046 | ;;}}} |
23f87bed | 2047 | |
01c52d31 | 2048 | ;;{{{ Hashcash. |
ad136a7c | 2049 | |
01c52d31 MB |
2050 | (defun spam-check-hashcash () |
2051 | "Check the headers for hashcash payments." | |
2052 | (ignore-errors (mail-check-payment))) ;mail-check-payment returns a boolean | |
23f87bed | 2053 | |
01c52d31 | 2054 | ;;}}} |
23f87bed | 2055 | |
01c52d31 | 2056 | ;;{{{ BBDB |
23f87bed MB |
2057 | |
2058 | ;;; original idea for spam-check-BBDB from Alexander Kotelnikov | |
2059 | ;;; <sacha@giotto.sj.ru> | |
2060 | ||
2061 | ;; all this is done inside a condition-case to trap errors | |
2062 | ||
ad136a7c MB |
2063 | (eval-when-compile |
2064 | (autoload 'bbdb-buffer "bbdb") | |
2065 | (autoload 'bbdb-create-internal "bbdb") | |
2066 | (autoload 'bbdb-search-simple "bbdb")) | |
2067 | ||
e230a06e GM |
2068 | ;; Autoloaded in message, which we require. |
2069 | (declare-function gnus-extract-address-components "gnus-util" (from)) | |
2070 | ||
ad136a7c MB |
2071 | (eval-and-compile |
2072 | (when (condition-case nil | |
2073 | (progn | |
2074 | (require 'bbdb) | |
2075 | (require 'bbdb-com)) | |
2076 | (file-error | |
01c52d31 MB |
2077 | ;; `bbdb-records' should not be bound as an autoload function |
2078 | ;; before loading bbdb because of `bbdb-hashtable-size'. | |
2079 | (defalias 'bbdb-records 'ignore) | |
ad136a7c MB |
2080 | (defalias 'spam-BBDB-register-routine 'ignore) |
2081 | (defalias 'spam-enter-ham-BBDB 'ignore) | |
2082 | nil)) | |
2083 | ||
01c52d31 MB |
2084 | ;; when the BBDB changes, we want to clear out our cache |
2085 | (defun spam-clear-cache-BBDB (&rest immaterial) | |
2086 | (spam-clear-cache 'spam-use-BBDB)) | |
2087 | ||
2088 | (add-hook 'bbdb-change-hook 'spam-clear-cache-BBDB) | |
2089 | ||
ad136a7c MB |
2090 | (defun spam-enter-ham-BBDB (addresses &optional remove) |
2091 | "Enter an address into the BBDB; implies ham (non-spam) sender" | |
2092 | (dolist (from addresses) | |
2093 | (when (stringp from) | |
2094 | (let* ((parsed-address (gnus-extract-address-components from)) | |
2095 | (name (or (nth 0 parsed-address) "Ham Sender")) | |
2096 | (remove-function (if remove | |
2097 | 'bbdb-delete-record-internal | |
2098 | 'ignore)) | |
2099 | (net-address (nth 1 parsed-address)) | |
2100 | (record (and net-address | |
2101 | (bbdb-search-simple nil net-address)))) | |
2102 | (when net-address | |
01c52d31 | 2103 | (gnus-message 6 "%s address %s %s BBDB" |
ad136a7c MB |
2104 | (if remove "Deleting" "Adding") |
2105 | from | |
2106 | (if remove "from" "to")) | |
2107 | (if record | |
2108 | (funcall remove-function record) | |
2109 | (bbdb-create-internal name nil net-address nil nil | |
2110 | "ham sender added by spam.el"))))))) | |
2111 | ||
2112 | (defun spam-BBDB-register-routine (articles &optional unregister) | |
2113 | (let (addresses) | |
2114 | (dolist (article articles) | |
2115 | (when (stringp (spam-fetch-field-from-fast article)) | |
2116 | (push (spam-fetch-field-from-fast article) addresses))) | |
2117 | ;; now do the register/unregister action | |
2118 | (spam-enter-ham-BBDB addresses unregister))) | |
2119 | ||
2120 | (defun spam-BBDB-unregister-routine (articles) | |
2121 | (spam-BBDB-register-routine articles t)) | |
2122 | ||
2123 | (defun spam-check-BBDB () | |
2124 | "Mail from people in the BBDB is classified as ham or non-spam" | |
01c52d31 MB |
2125 | (let ((who (message-fetch-field "from")) |
2126 | bbdb-cache bbdb-hashtable) | |
2127 | (when spam-cache-lookups | |
2128 | (setq bbdb-cache (gethash 'spam-use-BBDB spam-caches)) | |
2129 | (unless bbdb-cache | |
2130 | (setq bbdb-cache (make-vector 17 0)) ; a good starting hash value | |
2131 | ;; this is based on the expanded (bbdb-hashtable) macro | |
2132 | ;; without the debugging support | |
2133 | (with-current-buffer (bbdb-buffer) | |
2134 | (save-excursion | |
2135 | (save-window-excursion | |
2136 | (bbdb-records nil t) | |
3042deef | 2137 | (mapatoms |
01c52d31 MB |
2138 | (lambda (symbol) |
2139 | (intern (downcase (symbol-name symbol)) bbdb-cache)) | |
2140 | bbdb-hashtable)))) | |
2141 | (puthash 'spam-use-BBDB bbdb-cache spam-caches))) | |
ad136a7c MB |
2142 | (when who |
2143 | (setq who (nth 1 (gnus-extract-address-components who))) | |
01c52d31 MB |
2144 | (if |
2145 | (if spam-cache-lookups | |
2146 | (intern-soft (downcase who) bbdb-cache) | |
2147 | (bbdb-search-simple nil who)) | |
ad136a7c MB |
2148 | t |
2149 | (if spam-use-BBDB-exclusive | |
2150 | spam-split-group | |
2151 | nil))))))) | |
23f87bed | 2152 | |
01c52d31 MB |
2153 | ;;}}} |
2154 | ||
2155 | ;;{{{ ifile | |
23f87bed MB |
2156 | |
2157 | ;;; check the ifile backend; return nil if the mail was NOT classified | |
2158 | ;;; as spam | |
2159 | ||
11e95b02 | 2160 | |
23f87bed | 2161 | (defun spam-get-ifile-database-parameter () |
11e95b02 MB |
2162 | "Return the command-line parameter for ifile's database. |
2163 | See `spam-ifile-database'." | |
2164 | (if spam-ifile-database | |
2165 | (format "--db-file=%s" spam-ifile-database) | |
23f87bed MB |
2166 | nil)) |
2167 | ||
2168 | (defun spam-check-ifile () | |
2169 | "Check the ifile backend for the classification of this message." | |
2170 | (let ((article-buffer-name (buffer-name)) | |
23f87bed MB |
2171 | category return) |
2172 | (with-temp-buffer | |
2173 | (let ((temp-buffer-name (buffer-name)) | |
2174 | (db-param (spam-get-ifile-database-parameter))) | |
20a673b2 | 2175 | (with-current-buffer article-buffer-name |
23f87bed | 2176 | (apply 'call-process-region |
11e95b02 | 2177 | (point-min) (point-max) spam-ifile-program |
23f87bed MB |
2178 | nil temp-buffer-name nil "-c" |
2179 | (if db-param `(,db-param "-q") `("-q")))) | |
2180 | ;; check the return now (we're back in the temp buffer) | |
2181 | (goto-char (point-min)) | |
2182 | (if (not (eobp)) | |
01c52d31 | 2183 | (setq category (buffer-substring (point) (point-at-eol)))) |
23f87bed MB |
2184 | (when (not (zerop (length category))) ; we need a category here |
2185 | (if spam-ifile-all-categories | |
2186 | (setq return category) | |
2187 | ;; else, if spam-ifile-all-categories is not set... | |
2188 | (when (string-equal spam-ifile-spam-category category) | |
2189 | (setq return spam-split-group)))))) ; note return is nil otherwise | |
2190 | return)) | |
2191 | ||
2192 | (defun spam-ifile-register-with-ifile (articles category &optional unregister) | |
2193 | "Register an article, given as a string, with a category. | |
2194 | Uses `gnus-newsgroup-name' if category is nil (for ham registration)." | |
2195 | (let ((category (or category gnus-newsgroup-name)) | |
2196 | (add-or-delete-option (if unregister "-d" "-i")) | |
2197 | (db (spam-get-ifile-database-parameter)) | |
2198 | parameters) | |
2199 | (with-temp-buffer | |
2200 | (dolist (article articles) | |
2201 | (let ((article-string (spam-get-article-as-string article))) | |
2202 | (when (stringp article-string) | |
2203 | (insert article-string)))) | |
2204 | (apply 'call-process-region | |
11e95b02 | 2205 | (point-min) (point-max) spam-ifile-program |
23f87bed MB |
2206 | nil nil nil |
2207 | add-or-delete-option category | |
2208 | (if db `(,db "-h") `("-h")))))) | |
2209 | ||
2210 | (defun spam-ifile-register-spam-routine (articles &optional unregister) | |
2211 | (spam-ifile-register-with-ifile articles spam-ifile-spam-category unregister)) | |
2212 | ||
2213 | (defun spam-ifile-unregister-spam-routine (articles) | |
2214 | (spam-ifile-register-spam-routine articles t)) | |
2215 | ||
2216 | (defun spam-ifile-register-ham-routine (articles &optional unregister) | |
2217 | (spam-ifile-register-with-ifile articles spam-ifile-ham-category unregister)) | |
2218 | ||
2219 | (defun spam-ifile-unregister-ham-routine (articles) | |
2220 | (spam-ifile-register-ham-routine articles t)) | |
2221 | ||
01c52d31 MB |
2222 | ;;}}} |
2223 | ||
2224 | ;;{{{ spam-stat | |
23f87bed | 2225 | |
ad136a7c MB |
2226 | (eval-when-compile |
2227 | (autoload 'spam-stat-buffer-change-to-non-spam "spam-stat") | |
2228 | (autoload 'spam-stat-buffer-change-to-spam "spam-stat") | |
2229 | (autoload 'spam-stat-buffer-is-non-spam "spam-stat") | |
2230 | (autoload 'spam-stat-buffer-is-spam "spam-stat") | |
2231 | (autoload 'spam-stat-load "spam-stat") | |
2232 | (autoload 'spam-stat-save "spam-stat") | |
2233 | (autoload 'spam-stat-split-fancy "spam-stat")) | |
2234 | ||
2235 | (eval-and-compile | |
2236 | (when (condition-case nil | |
2237 | (let ((spam-stat-install-hooks nil)) | |
2238 | (require 'spam-stat)) | |
2239 | (file-error | |
2240 | (defalias 'spam-stat-register-ham-routine 'ignore) | |
2241 | (defalias 'spam-stat-register-spam-routine 'ignore) | |
2242 | nil)) | |
2243 | ||
2244 | (defun spam-check-stat () | |
2245 | "Check the spam-stat backend for the classification of this message" | |
01c52d31 | 2246 | (let ((spam-stat-split-fancy-spam-group spam-split-group) ; override |
ad136a7c MB |
2247 | (spam-stat-buffer (buffer-name)) ; stat the current buffer |
2248 | category return) | |
2249 | (spam-stat-split-fancy))) | |
2250 | ||
2251 | (defun spam-stat-register-spam-routine (articles &optional unregister) | |
2252 | (dolist (article articles) | |
2253 | (let ((article-string (spam-get-article-as-string article))) | |
2254 | (with-temp-buffer | |
2255 | (insert article-string) | |
2256 | (if unregister | |
2257 | (spam-stat-buffer-change-to-non-spam) | |
23f87bed MB |
2258 | (spam-stat-buffer-is-spam)))))) |
2259 | ||
ad136a7c MB |
2260 | (defun spam-stat-unregister-spam-routine (articles) |
2261 | (spam-stat-register-spam-routine articles t)) | |
23f87bed | 2262 | |
ad136a7c MB |
2263 | (defun spam-stat-register-ham-routine (articles &optional unregister) |
2264 | (dolist (article articles) | |
2265 | (let ((article-string (spam-get-article-as-string article))) | |
2266 | (with-temp-buffer | |
2267 | (insert article-string) | |
2268 | (if unregister | |
2269 | (spam-stat-buffer-change-to-spam) | |
23f87bed MB |
2270 | (spam-stat-buffer-is-non-spam)))))) |
2271 | ||
ad136a7c MB |
2272 | (defun spam-stat-unregister-ham-routine (articles) |
2273 | (spam-stat-register-ham-routine articles t)) | |
2274 | ||
2275 | (defun spam-maybe-spam-stat-load () | |
2276 | (when spam-use-stat (spam-stat-load))) | |
2277 | ||
2278 | (defun spam-maybe-spam-stat-save () | |
2279 | (when spam-use-stat (spam-stat-save))))) | |
23f87bed | 2280 | |
01c52d31 | 2281 | ;;}}} |
23f87bed | 2282 | |
01c52d31 | 2283 | ;;{{{ Blacklists and whitelists. |
23f87bed MB |
2284 | |
2285 | (defvar spam-whitelist-cache nil) | |
2286 | (defvar spam-blacklist-cache nil) | |
2287 | ||
2288 | (defun spam-kill-whole-line () | |
2289 | (beginning-of-line) | |
2290 | (let ((kill-whole-line t)) | |
2291 | (kill-line))) | |
2292 | ||
2293 | ;;; address can be a list, too | |
2294 | (defun spam-enter-whitelist (address &optional remove) | |
2295 | "Enter ADDRESS (list or single) into the whitelist. | |
2296 | With a non-nil REMOVE, remove them." | |
2297 | (interactive "sAddress: ") | |
2298 | (spam-enter-list address spam-whitelist remove) | |
01c52d31 MB |
2299 | (setq spam-whitelist-cache nil) |
2300 | (spam-clear-cache 'spam-use-whitelist)) | |
23f87bed MB |
2301 | |
2302 | ;;; address can be a list, too | |
2303 | (defun spam-enter-blacklist (address &optional remove) | |
2304 | "Enter ADDRESS (list or single) into the blacklist. | |
2305 | With a non-nil REMOVE, remove them." | |
2306 | (interactive "sAddress: ") | |
2307 | (spam-enter-list address spam-blacklist remove) | |
01c52d31 MB |
2308 | (setq spam-blacklist-cache nil) |
2309 | (spam-clear-cache 'spam-use-whitelist)) | |
23f87bed MB |
2310 | |
2311 | (defun spam-enter-list (addresses file &optional remove) | |
2312 | "Enter ADDRESSES into the given FILE. | |
3042deef JB |
2313 | Either the whitelist or the blacklist files can be used. |
2314 | With a non-nil REMOVE, remove the ADDRESSES." | |
23f87bed MB |
2315 | (if (stringp addresses) |
2316 | (spam-enter-list (list addresses) file remove) | |
2317 | ;; else, we have a list of addresses here | |
2318 | (unless (file-exists-p (file-name-directory file)) | |
2319 | (make-directory (file-name-directory file) t)) | |
20a673b2 KY |
2320 | (with-current-buffer |
2321 | (find-file-noselect file) | |
23f87bed MB |
2322 | (dolist (a addresses) |
2323 | (when (stringp a) | |
2324 | (goto-char (point-min)) | |
2325 | (if (re-search-forward (regexp-quote a) nil t) | |
2326 | ;; found the address | |
2327 | (when remove | |
2328 | (spam-kill-whole-line)) | |
2329 | ;; else, the address was not found | |
2330 | (unless remove | |
2331 | (goto-char (point-max)) | |
2332 | (unless (bobp) | |
2333 | (insert "\n")) | |
2334 | (insert a "\n"))))) | |
2335 | (save-buffer)))) | |
2336 | ||
01c52d31 MB |
2337 | (defun spam-filelist-build-cache (type) |
2338 | (let ((cache (if (eq type 'spam-use-blacklist) | |
2339 | spam-blacklist-cache | |
2340 | spam-whitelist-cache)) | |
2341 | parsed-cache) | |
2342 | (unless (gethash type spam-caches) | |
2343 | (while cache | |
2344 | (let ((address (pop cache))) | |
2345 | (unless (zerop (length address)) ; 0 for a nil address too | |
2346 | (setq address (regexp-quote address)) | |
2347 | ;; fix regexp-quote's treatment of user-intended regexes | |
2348 | (while (string-match "\\\\\\*" address) | |
2349 | (setq address (replace-match ".*" t t address)))) | |
2350 | (push address parsed-cache))) | |
2351 | (puthash type parsed-cache spam-caches)))) | |
2352 | ||
2353 | (defun spam-filelist-check-cache (type from) | |
2354 | (when (stringp from) | |
2355 | (spam-filelist-build-cache type) | |
2356 | (let (found) | |
2357 | (dolist (address (gethash type spam-caches)) | |
2358 | (when (and address (string-match address from)) | |
2359 | (setq found t) | |
2360 | (return))) | |
2361 | found))) | |
2362 | ||
23f87bed MB |
2363 | ;;; returns t if the sender is in the whitelist, nil or |
2364 | ;;; spam-split-group otherwise | |
2365 | (defun spam-check-whitelist () | |
2366 | ;; FIXME! Should it detect when file timestamps change? | |
01c52d31 MB |
2367 | (unless spam-whitelist-cache |
2368 | (setq spam-whitelist-cache (spam-parse-list spam-whitelist))) | |
2369 | (if (spam-from-listed-p 'spam-use-whitelist) | |
2370 | t | |
2371 | (if spam-use-whitelist-exclusive | |
2372 | spam-split-group | |
2373 | nil))) | |
23f87bed MB |
2374 | |
2375 | (defun spam-check-blacklist () | |
2376 | ;; FIXME! Should it detect when file timestamps change? | |
01c52d31 MB |
2377 | (unless spam-blacklist-cache |
2378 | (setq spam-blacklist-cache (spam-parse-list spam-blacklist))) | |
2379 | (and (spam-from-listed-p 'spam-use-blacklist) | |
2380 | spam-split-group)) | |
23f87bed MB |
2381 | |
2382 | (defun spam-parse-list (file) | |
2383 | (when (file-readable-p file) | |
2384 | (let (contents address) | |
2385 | (with-temp-buffer | |
2386 | (insert-file-contents file) | |
2387 | (while (not (eobp)) | |
01c52d31 | 2388 | (setq address (buffer-substring (point) (point-at-eol))) |
23f87bed MB |
2389 | (forward-line 1) |
2390 | ;; insert the e-mail address if detected, otherwise the raw data | |
2391 | (unless (zerop (length address)) | |
2392 | (let ((pure-address (nth 1 (gnus-extract-address-components address)))) | |
2393 | (push (or pure-address address) contents))))) | |
2394 | (nreverse contents)))) | |
2395 | ||
01c52d31 MB |
2396 | (defun spam-from-listed-p (type) |
2397 | (let ((from (message-fetch-field "from")) | |
23f87bed | 2398 | found) |
01c52d31 | 2399 | (spam-filelist-check-cache type from))) |
23f87bed MB |
2400 | |
2401 | (defun spam-filelist-register-routine (articles blacklist &optional unregister) | |
2402 | (let ((de-symbol (if blacklist 'spam-use-whitelist 'spam-use-blacklist)) | |
2403 | (declassification (if blacklist 'ham 'spam)) | |
2404 | (enter-function | |
2405 | (if blacklist 'spam-enter-blacklist 'spam-enter-whitelist)) | |
2406 | (remove-function | |
2407 | (if blacklist 'spam-enter-whitelist 'spam-enter-blacklist)) | |
01c52d31 | 2408 | from addresses unregister-list article-unregister-list) |
23f87bed MB |
2409 | (dolist (article articles) |
2410 | (let ((from (spam-fetch-field-from-fast article)) | |
2411 | (id (spam-fetch-field-message-id-fast article)) | |
2412 | sender-ignored) | |
2413 | (when (stringp from) | |
2414 | (dolist (ignore-regex spam-blacklist-ignored-regexes) | |
2415 | (when (and (not sender-ignored) | |
2416 | (stringp ignore-regex) | |
2417 | (string-match ignore-regex from)) | |
2418 | (setq sender-ignored t))) | |
2419 | ;; remember the messages we need to unregister, unless remove is set | |
2420 | (when (and | |
2421 | (null unregister) | |
2422 | (spam-log-unregistration-needed-p | |
2423 | id 'process declassification de-symbol)) | |
01c52d31 | 2424 | (push article article-unregister-list) |
23f87bed MB |
2425 | (push from unregister-list)) |
2426 | (unless sender-ignored | |
2427 | (push from addresses))))) | |
2428 | ||
2429 | (if unregister | |
2430 | (funcall enter-function addresses t) ; unregister all these addresses | |
2431 | ;; else, register normally and unregister what we need to | |
2432 | (funcall remove-function unregister-list t) | |
01c52d31 | 2433 | (dolist (article article-unregister-list) |
23f87bed MB |
2434 | (spam-log-undo-registration |
2435 | (spam-fetch-field-message-id-fast article) | |
2436 | 'process | |
2437 | declassification | |
2438 | de-symbol)) | |
2439 | (funcall enter-function addresses nil)))) | |
2440 | ||
2441 | (defun spam-blacklist-unregister-routine (articles) | |
2442 | (spam-blacklist-register-routine articles t)) | |
2443 | ||
2444 | (defun spam-blacklist-register-routine (articles &optional unregister) | |
2445 | (spam-filelist-register-routine articles t unregister)) | |
2446 | ||
2447 | (defun spam-whitelist-unregister-routine (articles) | |
2448 | (spam-whitelist-register-routine articles t)) | |
2449 | ||
2450 | (defun spam-whitelist-register-routine (articles &optional unregister) | |
2451 | (spam-filelist-register-routine articles nil unregister)) | |
2452 | ||
01c52d31 MB |
2453 | ;;}}} |
2454 | ||
2455 | ;;{{{ Spam-report glue (gmane and resend reporting) | |
23f87bed MB |
2456 | (defun spam-report-gmane-register-routine (articles) |
2457 | (when articles | |
01c52d31 MB |
2458 | (apply 'spam-report-gmane-spam articles))) |
2459 | ||
2460 | (defun spam-report-gmane-unregister-routine (articles) | |
2461 | (when articles | |
2462 | (apply 'spam-report-gmane-ham articles))) | |
2463 | ||
2464 | (defun spam-report-resend-register-ham-routine (articles) | |
2465 | (spam-report-resend-register-routine articles t)) | |
2466 | ||
2467 | (defun spam-report-resend-register-routine (articles &optional ham) | |
3042deef | 2468 | (let* ((resend-to-gp |
01c52d31 MB |
2469 | (if ham |
2470 | (gnus-parameter-ham-resend-to gnus-newsgroup-name) | |
2471 | (gnus-parameter-spam-resend-to gnus-newsgroup-name))) | |
2472 | (spam-report-resend-to (or (car-safe resend-to-gp) | |
2473 | spam-report-resend-to))) | |
2474 | (spam-report-resend articles ham))) | |
23f87bed | 2475 | |
01c52d31 MB |
2476 | ;;}}} |
2477 | ||
2478 | ;;{{{ Bogofilter | |
23f87bed | 2479 | (defun spam-check-bogofilter-headers (&optional score) |
01c52d31 | 2480 | (let ((header (message-fetch-field spam-bogofilter-header))) |
23f87bed MB |
2481 | (when header ; return nil when no header |
2482 | (if score ; scoring mode | |
2483 | (if (string-match "spamicity=\\([0-9.]+\\)" header) | |
2484 | (match-string 1 header) | |
2485 | "0") | |
2486 | ;; spam detection mode | |
2487 | (when (string-match spam-bogofilter-bogosity-positive-spam-header | |
2488 | header) | |
2489 | spam-split-group))))) | |
2490 | ||
2491 | ;; return something sensible if the score can't be determined | |
01c52d31 | 2492 | (defun spam-bogofilter-score (&optional recheck) |
3042deef | 2493 | "Get the Bogofilter spamicity score." |
01c52d31 | 2494 | (interactive "P") |
23f87bed MB |
2495 | (save-window-excursion |
2496 | (gnus-summary-show-article t) | |
2497 | (set-buffer gnus-article-buffer) | |
01c52d31 MB |
2498 | (let ((score (or (unless recheck |
2499 | (spam-check-bogofilter-headers t)) | |
23f87bed | 2500 | (spam-check-bogofilter t)))) |
01c52d31 | 2501 | (gnus-summary-show-article) |
23f87bed | 2502 | (message "Spamicity score %s" score) |
01c52d31 MB |
2503 | (or score "0")))) |
2504 | ||
2505 | (defun spam-verify-bogofilter () | |
2506 | "Verify the Bogofilter version is sufficient." | |
2507 | (when (eq spam-bogofilter-valid 'unknown) | |
2508 | (setq spam-bogofilter-valid | |
2509 | (not (string-match "^bogofilter version 0\\.\\([0-9]\\|1[01]\\)\\." | |
3042deef | 2510 | (shell-command-to-string |
01c52d31 MB |
2511 | (format "%s -V" spam-bogofilter-program)))))) |
2512 | spam-bogofilter-valid) | |
3042deef | 2513 | |
23f87bed | 2514 | (defun spam-check-bogofilter (&optional score) |
01c52d31 MB |
2515 | "Check the Bogofilter backend for the classification of this message." |
2516 | (if (spam-verify-bogofilter) | |
2517 | (let ((article-buffer-name (buffer-name)) | |
2518 | (db spam-bogofilter-database-directory) | |
2519 | return) | |
2520 | (with-temp-buffer | |
2521 | (let ((temp-buffer-name (buffer-name))) | |
20a673b2 | 2522 | (with-current-buffer article-buffer-name |
01c52d31 MB |
2523 | (apply 'call-process-region |
2524 | (point-min) (point-max) | |
2525 | spam-bogofilter-program | |
2526 | nil temp-buffer-name nil | |
2527 | (if db `("-d" ,db "-v") `("-v")))) | |
2528 | (setq return (spam-check-bogofilter-headers score)))) | |
23f87bed | 2529 | return) |
01c52d31 | 2530 | (gnus-error 5 "`spam.el' doesn't support obsolete bogofilter versions"))) |
23f87bed MB |
2531 | |
2532 | (defun spam-bogofilter-register-with-bogofilter (articles | |
2533 | spam | |
2534 | &optional unregister) | |
2535 | "Register an article, given as a string, as spam or non-spam." | |
01c52d31 MB |
2536 | (if (spam-verify-bogofilter) |
2537 | (dolist (article articles) | |
2538 | (let ((article-string (spam-get-article-as-string article)) | |
2539 | (db spam-bogofilter-database-directory) | |
2540 | (switch (if unregister | |
2541 | (if spam | |
2542 | spam-bogofilter-spam-strong-switch | |
2543 | spam-bogofilter-ham-strong-switch) | |
2544 | (if spam | |
2545 | spam-bogofilter-spam-switch | |
2546 | spam-bogofilter-ham-switch)))) | |
2547 | (when (stringp article-string) | |
2548 | (with-temp-buffer | |
2549 | (insert article-string) | |
3042deef | 2550 | |
01c52d31 MB |
2551 | (apply 'call-process-region |
2552 | (point-min) (point-max) | |
2553 | spam-bogofilter-program | |
2554 | nil nil nil switch | |
2555 | (if db `("-d" ,db "-v") `("-v"))))))) | |
2556 | (gnus-error 5 "`spam.el' doesn't support obsolete bogofilter versions"))) | |
23f87bed MB |
2557 | |
2558 | (defun spam-bogofilter-register-spam-routine (articles &optional unregister) | |
2559 | (spam-bogofilter-register-with-bogofilter articles t unregister)) | |
2560 | ||
2561 | (defun spam-bogofilter-unregister-spam-routine (articles) | |
2562 | (spam-bogofilter-register-spam-routine articles t)) | |
2563 | ||
2564 | (defun spam-bogofilter-register-ham-routine (articles &optional unregister) | |
2565 | (spam-bogofilter-register-with-bogofilter articles nil unregister)) | |
2566 | ||
2567 | (defun spam-bogofilter-unregister-ham-routine (articles) | |
2568 | (spam-bogofilter-register-ham-routine articles t)) | |
2569 | ||
2570 | ||
01c52d31 MB |
2571 | ;;}}} |
2572 | ||
2573 | ;;{{{ spamoracle | |
23f87bed MB |
2574 | (defun spam-check-spamoracle () |
2575 | "Run spamoracle on an article to determine whether it's spam." | |
01c52d31 | 2576 | (let ((article-buffer-name (buffer-name))) |
23f87bed MB |
2577 | (with-temp-buffer |
2578 | (let ((temp-buffer-name (buffer-name))) | |
20a673b2 | 2579 | (with-current-buffer article-buffer-name |
23f87bed MB |
2580 | (let ((status |
2581 | (apply 'call-process-region | |
2582 | (point-min) (point-max) | |
2583 | spam-spamoracle-binary | |
2584 | nil temp-buffer-name nil | |
2585 | (if spam-spamoracle-database | |
2586 | `("-f" ,spam-spamoracle-database "mark") | |
2587 | '("mark"))))) | |
2588 | (if (eq 0 status) | |
2589 | (progn | |
2590 | (set-buffer temp-buffer-name) | |
2591 | (goto-char (point-min)) | |
2592 | (when (re-search-forward "^X-Spam: yes;" nil t) | |
2593 | spam-split-group)) | |
c1d7d285 | 2594 | (error "Error running spamoracle: %s" status)))))))) |
23f87bed MB |
2595 | |
2596 | (defun spam-spamoracle-learn (articles article-is-spam-p &optional unregister) | |
2597 | "Run spamoracle in training mode." | |
2598 | (with-temp-buffer | |
2599 | (let ((temp-buffer-name (buffer-name))) | |
2600 | (save-excursion | |
2601 | (goto-char (point-min)) | |
2602 | (dolist (article articles) | |
2603 | (insert (spam-get-article-as-string article))) | |
2604 | (let* ((arg (if (spam-xor unregister article-is-spam-p) | |
2605 | "-spam" | |
2606 | "-good")) | |
2607 | (status | |
2608 | (apply 'call-process-region | |
2609 | (point-min) (point-max) | |
2610 | spam-spamoracle-binary | |
2611 | nil temp-buffer-name nil | |
2612 | (if spam-spamoracle-database | |
2613 | `("-f" ,spam-spamoracle-database | |
2614 | "add" ,arg) | |
2615 | `("add" ,arg))))) | |
c1d7d285 MB |
2616 | (unless (eq 0 status) |
2617 | (error "Error running spamoracle: %s" status))))))) | |
23f87bed MB |
2618 | |
2619 | (defun spam-spamoracle-learn-ham (articles &optional unregister) | |
2620 | (spam-spamoracle-learn articles nil unregister)) | |
2621 | ||
2622 | (defun spam-spamoracle-unlearn-ham (articles &optional unregister) | |
2623 | (spam-spamoracle-learn-ham articles t)) | |
2624 | ||
2625 | (defun spam-spamoracle-learn-spam (articles &optional unregister) | |
2626 | (spam-spamoracle-learn articles t unregister)) | |
2627 | ||
2628 | (defun spam-spamoracle-unlearn-spam (articles &optional unregister) | |
2629 | (spam-spamoracle-learn-spam articles t)) | |
2630 | ||
01c52d31 MB |
2631 | ;;}}} |
2632 | ||
2633 | ;;{{{ SpamAssassin | |
2634 | ;;; based mostly on the bogofilter code | |
2635 | (defun spam-check-spamassassin-headers (&optional score) | |
2636 | "Check the SpamAssassin headers for the classification of this message." | |
2637 | (if score ; scoring mode | |
2638 | (let ((header (message-fetch-field spam-spamassassin-spam-status-header))) | |
2639 | (when header | |
2640 | (if (string-match spam-spamassassin-score-regexp header) | |
2641 | (match-string 1 header) | |
2642 | "0"))) | |
2643 | ;; spam detection mode | |
2644 | (let ((header (message-fetch-field spam-spamassassin-spam-flag-header))) | |
2645 | (when header ; return nil when no header | |
2646 | (when (string-match spam-spamassassin-positive-spam-flag-header | |
2647 | header) | |
2648 | spam-split-group))))) | |
2649 | ||
2650 | (defun spam-check-spamassassin (&optional score) | |
2651 | "Check the SpamAssassin backend for the classification of this message." | |
2652 | (let ((article-buffer-name (buffer-name))) | |
2653 | (with-temp-buffer | |
2654 | (let ((temp-buffer-name (buffer-name))) | |
20a673b2 | 2655 | (with-current-buffer article-buffer-name |
01c52d31 MB |
2656 | (apply 'call-process-region |
2657 | (point-min) (point-max) spam-assassin-program | |
2658 | nil temp-buffer-name nil spam-spamassassin-arguments)) | |
2659 | ;; check the return now (we're back in the temp buffer) | |
2660 | (goto-char (point-min)) | |
2661 | (spam-check-spamassassin-headers score))))) | |
2662 | ||
2663 | ;; return something sensible if the score can't be determined | |
2664 | (defun spam-spamassassin-score (&optional recheck) | |
2665 | "Get the SpamAssassin score" | |
2666 | (interactive "P") | |
2667 | (save-window-excursion | |
2668 | (gnus-summary-show-article t) | |
2669 | (set-buffer gnus-article-buffer) | |
2670 | (let ((score (or (unless recheck | |
2671 | (spam-check-spamassassin-headers t)) | |
2672 | (spam-check-spamassassin t)))) | |
2673 | (gnus-summary-show-article) | |
2674 | (message "SpamAssassin score %s" score) | |
2675 | (or score "0")))) | |
2676 | ||
2677 | (defun spam-spamassassin-register-with-sa-learn (articles spam | |
2678 | &optional unregister) | |
2679 | "Register articles with spamassassin's sa-learn as spam or non-spam." | |
2680 | (if articles | |
2681 | (let ((action (if unregister spam-sa-learn-unregister-switch | |
2682 | (if spam spam-sa-learn-spam-switch | |
2683 | spam-sa-learn-ham-switch))) | |
2684 | (summary-buffer-name (buffer-name))) | |
2685 | (with-temp-buffer | |
2686 | ;; group the articles into mbox format | |
2687 | (dolist (article articles) | |
2688 | (let (article-string) | |
20a673b2 | 2689 | (with-current-buffer summary-buffer-name |
01c52d31 MB |
2690 | (setq article-string (spam-get-article-as-string article))) |
2691 | (when (stringp article-string) | |
2692 | (insert "From \n") ; mbox separator (sa-learn only checks the | |
2693 | ; first five chars, so we can get away with | |
2694 | ; a bogus line)) | |
2695 | (insert article-string) | |
2696 | (insert "\n")))) | |
2697 | ;; call sa-learn on all messages at the same time | |
2698 | (apply 'call-process-region | |
2699 | (point-min) (point-max) | |
2700 | spam-sa-learn-program | |
2701 | nil nil nil "--mbox" | |
2702 | (if spam-sa-learn-rebuild | |
2703 | (list action) | |
2704 | `("--no-rebuild" ,action))))))) | |
2705 | ||
2706 | (defun spam-spamassassin-register-spam-routine (articles &optional unregister) | |
2707 | (spam-spamassassin-register-with-sa-learn articles t unregister)) | |
2708 | ||
2709 | (defun spam-spamassassin-register-ham-routine (articles &optional unregister) | |
2710 | (spam-spamassassin-register-with-sa-learn articles nil unregister)) | |
2711 | ||
2712 | (defun spam-spamassassin-unregister-spam-routine (articles) | |
2713 | (spam-spamassassin-register-with-sa-learn articles t t)) | |
2714 | ||
2715 | (defun spam-spamassassin-unregister-ham-routine (articles) | |
2716 | (spam-spamassassin-register-with-sa-learn articles nil t)) | |
2717 | ||
2718 | ;;}}} | |
2719 | ||
2720 | ;;{{{ Bsfilter | |
2721 | ;;; based mostly on the bogofilter code | |
2722 | (defun spam-check-bsfilter-headers (&optional score) | |
2723 | (if score | |
2724 | (or (nnmail-fetch-field spam-bsfilter-probability-header) | |
2725 | "0") | |
2726 | (let ((header (nnmail-fetch-field spam-bsfilter-header))) | |
2727 | (when header ; return nil when no header | |
2728 | (when (string-match "YES" header) | |
2729 | spam-split-group))))) | |
2730 | ||
2731 | ;; return something sensible if the score can't be determined | |
2732 | (defun spam-bsfilter-score (&optional recheck) | |
3042deef | 2733 | "Get the Bsfilter spamicity score." |
01c52d31 MB |
2734 | (interactive "P") |
2735 | (save-window-excursion | |
2736 | (gnus-summary-show-article t) | |
2737 | (set-buffer gnus-article-buffer) | |
2738 | (let ((score (or (unless recheck | |
2739 | (spam-check-bsfilter-headers t)) | |
2740 | (spam-check-bsfilter t)))) | |
2741 | (gnus-summary-show-article) | |
2742 | (message "Spamicity score %s" score) | |
2743 | (or score "0")))) | |
2744 | ||
2745 | (defun spam-check-bsfilter (&optional score) | |
3042deef | 2746 | "Check the Bsfilter backend for the classification of this message." |
01c52d31 MB |
2747 | (let ((article-buffer-name (buffer-name)) |
2748 | (dir spam-bsfilter-database-directory) | |
2749 | return) | |
2750 | (with-temp-buffer | |
2751 | (let ((temp-buffer-name (buffer-name))) | |
20a673b2 | 2752 | (with-current-buffer article-buffer-name |
01c52d31 MB |
2753 | (apply 'call-process-region |
2754 | (point-min) (point-max) | |
2755 | spam-bsfilter-program | |
2756 | nil temp-buffer-name nil | |
2757 | "--pipe" | |
2758 | "--insert-flag" | |
2759 | "--insert-probability" | |
2760 | (when dir | |
2761 | (list "--homedir" dir)))) | |
2762 | (setq return (spam-check-bsfilter-headers score)))) | |
2763 | return)) | |
2764 | ||
2765 | (defun spam-bsfilter-register-with-bsfilter (articles | |
2766 | spam | |
2767 | &optional unregister) | |
2768 | "Register an article, given as a string, as spam or non-spam." | |
2769 | (dolist (article articles) | |
2770 | (let ((article-string (spam-get-article-as-string article)) | |
2771 | (switch (if unregister | |
2772 | (if spam | |
2773 | spam-bsfilter-spam-strong-switch | |
2774 | spam-bsfilter-ham-strong-switch) | |
2775 | (if spam | |
2776 | spam-bsfilter-spam-switch | |
2777 | spam-bsfilter-ham-switch)))) | |
2778 | (when (stringp article-string) | |
2779 | (with-temp-buffer | |
2780 | (insert article-string) | |
2781 | (apply 'call-process-region | |
2782 | (point-min) (point-max) | |
2783 | spam-bsfilter-program | |
2784 | nil nil nil switch | |
2785 | "--update" | |
2786 | (when spam-bsfilter-database-directory | |
2787 | (list "--homedir" | |
2788 | spam-bsfilter-database-directory)))))))) | |
2789 | ||
2790 | (defun spam-bsfilter-register-spam-routine (articles &optional unregister) | |
2791 | (spam-bsfilter-register-with-bsfilter articles t unregister)) | |
2792 | ||
2793 | (defun spam-bsfilter-unregister-spam-routine (articles) | |
2794 | (spam-bsfilter-register-spam-routine articles t)) | |
2795 | ||
2796 | (defun spam-bsfilter-register-ham-routine (articles &optional unregister) | |
2797 | (spam-bsfilter-register-with-bsfilter articles nil unregister)) | |
2798 | ||
2799 | (defun spam-bsfilter-unregister-ham-routine (articles) | |
2800 | (spam-bsfilter-register-ham-routine articles t)) | |
2801 | ||
2802 | ;;}}} | |
2803 | ||
2804 | ;;{{{ CRM114 Mailfilter | |
2805 | (defun spam-check-crm114-headers (&optional score) | |
2806 | (let ((header (message-fetch-field spam-crm114-header))) | |
2807 | (when header ; return nil when no header | |
2808 | (if score ; scoring mode | |
2809 | (if (string-match "( pR: \\([0-9.-]+\\)" header) | |
2810 | (match-string 1 header) | |
2811 | "0") | |
2812 | ;; spam detection mode | |
2813 | (when (string-match spam-crm114-positive-spam-header | |
2814 | header) | |
2815 | spam-split-group))))) | |
2816 | ||
2817 | ;; return something sensible if the score can't be determined | |
2818 | (defun spam-crm114-score () | |
3042deef | 2819 | "Get the CRM114 Mailfilter pR." |
01c52d31 MB |
2820 | (interactive) |
2821 | (save-window-excursion | |
2822 | (gnus-summary-show-article t) | |
2823 | (set-buffer gnus-article-buffer) | |
2824 | (let ((score (or (spam-check-crm114-headers t) | |
2825 | (spam-check-crm114 t)))) | |
2826 | (gnus-summary-show-article) | |
2827 | (message "pR: %s" score) | |
2828 | (or score "0")))) | |
2829 | ||
2830 | (defun spam-check-crm114 (&optional score) | |
3042deef | 2831 | "Check the CRM114 Mailfilter backend for the classification of this message." |
01c52d31 MB |
2832 | (let ((article-buffer-name (buffer-name)) |
2833 | (db spam-crm114-database-directory) | |
2834 | return) | |
2835 | (with-temp-buffer | |
2836 | (let ((temp-buffer-name (buffer-name))) | |
20a673b2 | 2837 | (with-current-buffer article-buffer-name |
01c52d31 MB |
2838 | (apply 'call-process-region |
2839 | (point-min) (point-max) | |
2840 | spam-crm114-program | |
2841 | nil temp-buffer-name nil | |
2842 | (when db (list (concat "--fileprefix=" db))))) | |
2843 | (setq return (spam-check-crm114-headers score)))) | |
2844 | return)) | |
2845 | ||
2846 | (defun spam-crm114-register-with-crm114 (articles | |
2847 | spam | |
2848 | &optional unregister) | |
2849 | "Register an article, given as a string, as spam or non-spam." | |
2850 | (dolist (article articles) | |
2851 | (let ((article-string (spam-get-article-as-string article)) | |
2852 | (db spam-crm114-database-directory) | |
2853 | (switch (if unregister | |
2854 | (if spam | |
2855 | spam-crm114-spam-strong-switch | |
2856 | spam-crm114-ham-strong-switch) | |
2857 | (if spam | |
2858 | spam-crm114-spam-switch | |
2859 | spam-crm114-ham-switch)))) | |
2860 | (when (stringp article-string) | |
2861 | (with-temp-buffer | |
2862 | (insert article-string) | |
2863 | ||
2864 | (apply 'call-process-region | |
2865 | (point-min) (point-max) | |
2866 | spam-crm114-program | |
2867 | nil nil nil | |
2868 | (when db (list switch (concat "--fileprefix=" db))))))))) | |
2869 | ||
2870 | (defun spam-crm114-register-spam-routine (articles &optional unregister) | |
2871 | (spam-crm114-register-with-crm114 articles t unregister)) | |
2872 | ||
2873 | (defun spam-crm114-unregister-spam-routine (articles) | |
2874 | (spam-crm114-register-spam-routine articles t)) | |
2875 | ||
2876 | (defun spam-crm114-register-ham-routine (articles &optional unregister) | |
2877 | (spam-crm114-register-with-crm114 articles nil unregister)) | |
2878 | ||
2879 | (defun spam-crm114-unregister-ham-routine (articles) | |
2880 | (spam-crm114-register-ham-routine articles t)) | |
2881 | ||
2882 | ;;}}} | |
2883 | ||
2884 | ;;}}} | |
2885 | ||
2886 | ;;{{{ Hooks | |
23f87bed MB |
2887 | |
2888 | ;;;###autoload | |
01c52d31 MB |
2889 | (defun spam-initialize (&rest symbols) |
2890 | "Install the spam.el hooks and do other initialization. | |
2891 | When SYMBOLS is given, set those variables to t. This is so you | |
3042deef | 2892 | can call `spam-initialize' before you set spam-use-* variables on |
01c52d31 | 2893 | explicitly, and matters only if you need the extra headers |
3042deef | 2894 | installed through `spam-necessary-extra-headers'." |
23f87bed | 2895 | (interactive) |
01c52d31 MB |
2896 | |
2897 | (dolist (var symbols) | |
2898 | (set var t)) | |
2899 | ||
2900 | (dolist (header (spam-necessary-extra-headers)) | |
2901 | (add-to-list 'nnmail-extra-headers header) | |
2902 | (add-to-list 'gnus-extra-headers header)) | |
2903 | ||
23f87bed | 2904 | (setq spam-install-hooks t) |
0f49874b MB |
2905 | ;; TODO: How do we redo this every time the `spam' face is customized? |
2906 | (push '((eq mark gnus-spam-mark) . spam) | |
23f87bed MB |
2907 | gnus-summary-highlight) |
2908 | ;; Add hooks for loading and saving the spam stats | |
2909 | (add-hook 'gnus-save-newsrc-hook 'spam-maybe-spam-stat-save) | |
2910 | (add-hook 'gnus-get-top-new-news-hook 'spam-maybe-spam-stat-load) | |
2911 | (add-hook 'gnus-startup-hook 'spam-maybe-spam-stat-load) | |
2912 | (add-hook 'gnus-summary-prepare-exit-hook 'spam-summary-prepare-exit) | |
2913 | (add-hook 'gnus-summary-prepare-hook 'spam-summary-prepare) | |
2914 | (add-hook 'gnus-get-new-news-hook 'spam-setup-widening) | |
01c52d31 | 2915 | (add-hook 'gnus-summary-prepared-hook 'spam-find-spam)) |
23f87bed MB |
2916 | |
2917 | (defun spam-unload-hook () | |
3042deef | 2918 | "Uninstall the spam.el hooks." |
23f87bed MB |
2919 | (interactive) |
2920 | (remove-hook 'gnus-save-newsrc-hook 'spam-maybe-spam-stat-save) | |
2921 | (remove-hook 'gnus-get-top-new-news-hook 'spam-maybe-spam-stat-load) | |
2922 | (remove-hook 'gnus-startup-hook 'spam-maybe-spam-stat-load) | |
2923 | (remove-hook 'gnus-summary-prepare-exit-hook 'spam-summary-prepare-exit) | |
2924 | (remove-hook 'gnus-summary-prepare-hook 'spam-summary-prepare) | |
2925 | (remove-hook 'gnus-get-new-news-hook 'spam-setup-widening) | |
2926 | (remove-hook 'gnus-summary-prepare-hook 'spam-find-spam)) | |
2927 | ||
e3502063 RS |
2928 | (add-hook 'spam-unload-hook 'spam-unload-hook) |
2929 | ||
23f87bed MB |
2930 | (when spam-install-hooks |
2931 | (spam-initialize)) | |
01c52d31 | 2932 | ;;}}} |
23f87bed MB |
2933 | |
2934 | (provide 'spam) | |
2935 | ||
23f87bed | 2936 | ;;; spam.el ends here |