1 ;;; spam-report.el --- Reporting spam
3 ;; Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
5 ;; Author: Ted Zlatanov <tzz@lifelogs.com>
6 ;; Keywords: network, spam, mail, gmane, report
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
23 ;; Boston, MA 02110-1301, USA.
27 ;;; This module addresses a few aspects of spam reporting under Gnus. Page
28 ;;; breaks are used for grouping declarations and documentation relating to
29 ;;; each particular aspect.
36 (autoload 'mm-url-insert "mm-url"))
38 (defgroup spam-report nil
39 "Spam reporting configuration."
43 (defcustom spam-report-gmane-regex nil
44 "Regexp matching Gmane newsgroups, e.g. \"^nntp\\+.*:gmane\\.\"
45 If you are using spam.el, consider setting gnus-spam-process-newsgroups
46 or the gnus-group-spam-exit-processor-report-gmane group/topic parameter
48 :type '(radio (const nil)
49 (regexp :value "^nntp\+.*:gmane\."))
52 (defcustom spam-report-gmane-use-article-number t
53 "Whether the article number (faster!) or the header should be used.
55 You must set this to nil if you don't read Gmane groups directly
56 from news.gmane.org, e.g. when using local newsserver such as
61 (defcustom spam-report-url-ping-function
62 'spam-report-url-ping-plain
63 "Function to use for url ping spam reporting.
64 The function must accept the arguments `host' and `report'."
66 (const :tag "Connect directly"
67 spam-report-url-ping-plain)
68 (const :tag "Use the external program specified in `mm-url-program'"
69 spam-report-url-ping-mm-url)
70 (const :tag "Store request URLs in `spam-report-requests-file'"
71 spam-report-url-to-file)
72 (function :tag "User defined function" nil))
75 (defcustom spam-report-requests-file
76 (nnheader-concat gnus-directory "spam/" "spam-report-requests.url")
77 ;; Is there a convention for the extension of such a file?
78 ;; Should we use `spam-directory'?
79 "File where spam report request are stored."
83 (defcustom spam-report-resend-to nil
84 "Email address that spam articles are resent to when reporting.
85 If not set, the user will be prompted to enter a value which will be
86 saved for future use."
90 (defvar spam-report-url-ping-temp-agent-function nil
91 "Internal variable for `spam-report-agentize' and `spam-report-deagentize'.
92 This variable will store the value of `spam-report-url-ping-function' from
93 before `spam-report-agentize' was run, so that `spam-report-deagentize' can
96 (defun spam-report-resend (articles &optional ham)
97 "Report an article as spam by resending via email.
98 Reports is as ham when HAM is set."
99 (dolist (article articles)
101 "Reporting %s article %d to <%s>..."
102 (if ham "ham" "spam")
103 article spam-report-resend-to)
104 (unless spam-report-resend-to
105 (customize-set-variable
106 spam-report-resend-to
107 (read-from-minibuffer "email address to resend SPAM/HAM to? ")))
108 ;; This is ganked from the `gnus-summary-resend-message' function.
109 ;; It involves rendering the SPAM, which is undesirable, but there does
110 ;; not seem to be a nicer way to achieve this.
111 ;; select this particular article
112 (gnus-summary-select-article nil nil nil article)
113 ;; resend it to the destination address
115 (set-buffer gnus-original-article-buffer)
116 (message-resend spam-report-resend-to))))
118 (defun spam-report-resend-ham (articles)
119 "Report an article as ham by resending via email."
120 (spam-report-resend articles t))
122 (defun spam-report-gmane-ham (&rest articles)
123 "Report ARTICLES as ham (unregister) through Gmane."
124 (interactive (gnus-summary-work-articles current-prefix-arg))
125 (dolist (article articles)
126 (spam-report-gmane-internal t article)))
128 (defun spam-report-gmane-spam (&rest articles)
129 "Report ARTICLES as spam through Gmane."
130 (interactive (gnus-summary-work-articles current-prefix-arg))
131 (dolist (article articles)
132 (message "Reporting %s" article)
133 (spam-report-gmane-internal nil article)))
135 ;; `spam-report-gmane' was an interactive entry point, so we should provide an
137 (defalias 'spam-report-gmane 'spam-report-gmane-spam)
139 (defun spam-report-gmane-internal (unspam article)
140 "Report ARTICLE as spam or not-spam through Gmane, depending on UNSPAM."
141 (when (and gnus-newsgroup-name
142 (or (null spam-report-gmane-regex)
143 (string-match spam-report-gmane-regex gnus-newsgroup-name)))
144 (let ((rpt-host (if unspam "unspam.gmane.org" "spam.gmane.org")))
145 (gnus-message 6 "Reporting article %d to %s..." article rpt-host)
146 (if spam-report-gmane-use-article-number
147 (spam-report-url-ping
150 (gnus-group-real-name gnus-newsgroup-name)
152 (with-current-buffer nntp-server-buffer
153 (gnus-request-head article gnus-newsgroup-name)
154 (let ((case-fold-search t)
155 field host report url)
156 ;; First check for X-Report-Spam because it's more specific to
157 ;; spam reporting than Archived-At. OTOH, all new articles on
158 ;; Gmane don't have X-Report-Spam anymore (unless Lars changes his
161 ;; There might be more than one Archived-At header so we need to
162 ;; find (and transform) the one related to Gmane.
163 (setq field (or (gnus-fetch-field "X-Report-Spam")
164 (gnus-fetch-field "X-Report-Unspam")
165 (gnus-fetch-field "Archived-At")))
166 (when (stringp field)
170 (concat "http://\\([a-z]+\\.gmane\\.org\\)"
171 "\\(/[^:/]+[:/][0-9]+\\)")
173 (match-string 1 field)))
174 (setq report (match-string 2 field))
175 (when (string-equal "permalink.gmane.org" host)
177 (setq report (gnus-replace-in-string
178 report "/\\([0-9]+\\)$" ":\\1")))
179 (setq url (format "http://%s%s" host report)))
180 (if (not (and host report url))
182 3 "Could not find a spam report header in article %d..."
184 (gnus-message 7 "Reporting article through URL %s..." url)
185 (spam-report-url-ping host report))))))))
187 (defun spam-report-url-ping (host report)
188 "Ping a host through HTTP, addressing a specific GET resource using
189 the function specified by `spam-report-url-ping-function'."
191 ;; host: "spam.gmane.org"
192 ;; report: "/gmane.some.group:123456"
193 (funcall spam-report-url-ping-function host report))
195 (defcustom spam-report-user-mail-address
196 (and (stringp user-mail-address)
197 (gnus-replace-in-string user-mail-address "@" "<at>"))
198 "Mail address of this user used for spam reports to Gmane.
199 This is initialized based on `user-mail-address'."
200 :type '(choice string
201 (const :tag "Don't expose address" nil))
202 :version "23.0" ;; No Gnus
205 (defvar spam-report-user-agent
206 (if spam-report-user-mail-address
207 (format "%s (%s) %s" "spam-report.el"
208 spam-report-user-mail-address
209 (gnus-extended-version))
210 (format "%s %s" "spam-report.el"
211 (gnus-extended-version))))
213 (defun spam-report-url-ping-plain (host report)
214 "Ping a host through HTTP, addressing a specific GET resource."
215 (let ((tcp-connection))
217 (or (setq tcp-connection
223 (error "Could not open connection to %s" host))
224 (set-marker (process-mark tcp-connection) (point-min))
227 (format "GET %s HTTP/1.1\nUser-Agent: %s\nHost: %s\n\n"
228 report spam-report-user-agent host))
229 ;; Wait until we get something so we don't DOS the host.
230 (while (and (memq (process-status tcp-connection) '(open run))
231 (zerop (buffer-size)))
232 (accept-process-output tcp-connection)))))
235 (defun spam-report-process-queue (&optional file keep)
236 "Report all queued requests from `spam-report-requests-file'.
238 If FILE is given, use it instead of `spam-report-requests-file'.
239 If KEEP is t, leave old requests in the file. If KEEP is the
240 symbol `ask', query before flushing the queue file."
242 (list (read-file-name
244 (file-name-directory spam-report-requests-file)
245 spam-report-requests-file
247 (file-name-nondirectory spam-report-requests-file))
249 (if (eq spam-report-url-ping-function 'spam-report-url-to-file)
250 (error (concat "Cannot process requests when "
251 "`spam-report-url-ping-function' is "
252 "`spam-report-url-to-file'."))
253 (gnus-message 7 "Processing requests using `%s'."
254 spam-report-url-ping-function))
255 (or file (setq file spam-report-requests-file))
257 (set-buffer (find-file-noselect file))
258 (goto-char (point-min))
259 (while (and (not (eobp))
261 "http://\\([^/]+\\)\\(/.*\\) *$" (point-at-eol) t))
262 (funcall spam-report-url-ping-function (match-string 1) (match-string 2))
264 (if (or (eq keep nil)
268 "Flush requests from `%s'? " (current-buffer)))))
270 (gnus-message 7 "Flushing request file `%s'"
271 spam-report-requests-file)
274 (kill-buffer (current-buffer)))
275 (gnus-message 7 "Keeping requests in `%s'" spam-report-requests-file))))
278 (defun spam-report-url-ping-mm-url (host report)
279 "Ping a host through HTTP, addressing a specific GET resource. Use
280 the external program specified in `mm-url-program' to connect to
283 (let ((url (format "http://%s%s" host report)))
284 (mm-url-insert url t))))
287 (defun spam-report-url-to-file (host report)
288 "Collect spam report requests in `spam-report-requests-file'.
289 Customize `spam-report-url-ping-function' to use this function."
290 (let ((url (format "http://%s%s" host report))
291 (file spam-report-requests-file))
292 (gnus-make-directory (file-name-directory file))
293 (gnus-message 9 "Writing URL `%s' to file `%s'" url file)
297 (append-to-file (point-min) (point-max) file))))
300 (defun spam-report-agentize ()
301 "Add spam-report support to the Agent.
302 Spam reports will be queued with \\[spam-report-url-to-file] when
303 the Agent is unplugged, and will be submitted in a batch when the
306 (add-hook 'gnus-agent-plugged-hook 'spam-report-plug-agent)
307 (add-hook 'gnus-agent-unplugged-hook 'spam-report-unplug-agent))
310 (defun spam-report-deagentize ()
311 "Remove spam-report support from the Agent.
312 Spam reports will be queued with the method used when
313 \\[spam-report-agentize] was run."
315 (remove-hook 'gnus-agent-plugged-hook 'spam-report-plug-agent)
316 (remove-hook 'gnus-agent-unplugged-hook 'spam-report-unplug-agent))
318 (defun spam-report-plug-agent ()
319 "Adjust spam report settings for plugged state.
320 Process queued spam reports."
321 ;; Process the queue, unless the user only wanted to report to a file
323 (unless (equal spam-report-url-ping-temp-agent-function
324 'spam-report-url-to-file)
325 (spam-report-process-queue))
326 ;; Set the reporting function, if we have memorized something otherwise,
327 ;; stick with plain URL reporting.
328 (setq spam-report-url-ping-function
329 (or spam-report-url-ping-temp-agent-function
330 'spam-report-url-ping-plain)))
332 (defun spam-report-unplug-agent ()
333 "Restore spam report settings for unplugged state."
334 ;; save the old value
335 (setq spam-report-url-ping-temp-agent-function
336 spam-report-url-ping-function)
337 ;; store all reports to file
338 (setq spam-report-url-ping-function
339 'spam-report-url-to-file))
341 (provide 'spam-report)
343 ;;; arch-tag: f6683295-ec89-4ab5-8803-8cc842293022
344 ;;; spam-report.el ends here.