1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
;;; gnus-sieve.el --- Utilities to manage sieve scripts for Gnus
;; Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
;; Author: NAGY Andras <nagya@inf.elte.hu>,
;; Simon Josefsson <simon@josefsson.org>
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Gnus glue to generate complete Sieve scripts from Gnus Group
;; Parameters with "if" test predicates.
;;; Code:
(require 'gnus)
(require 'gnus-sum)
(require 'format-spec)
(autoload 'sieve-mode "sieve-mode")
(eval-when-compile
(require 'sieve))
;; Variables
(defgroup gnus-sieve nil
"Manage sieve scripts in Gnus."
:group 'gnus)
(defcustom gnus-sieve-file "~/.sieve"
"Path to your Sieve script."
:type 'file
:group 'gnus-sieve)
(defcustom gnus-sieve-region-start "\n## Begin Gnus Sieve Script\n"
"Line indicating the start of the autogenerated region in
your Sieve script."
:type 'string
:group 'gnus-sieve)
(defcustom gnus-sieve-region-end "\n## End Gnus Sieve Script\n"
"Line indicating the end of the autogenerated region in
your Sieve script."
:type 'string
:group 'gnus-sieve)
(defcustom gnus-sieve-select-method nil
"Which select method we generate the Sieve script for.
For example: \"nnimap:mailbox\""
:group 'gnus-sieve)
(defcustom gnus-sieve-crosspost t
"Whether the generated Sieve script should do crossposting."
:type 'boolean
:group 'gnus-sieve)
(defcustom gnus-sieve-update-shell-command "echo put %f | sieveshell %s"
"Shell command to execute after updating your Sieve script. The following
formatting characters are recognized:
%f Script's file name (gnus-sieve-file)
%s Server name (from gnus-sieve-select-method)"
:type 'string
:group 'gnus-sieve)
;;;###autoload
(defun gnus-sieve-update ()
"Update the Sieve script in gnus-sieve-file, by replacing the region
between gnus-sieve-region-start and gnus-sieve-region-end with
\(gnus-sieve-script gnus-sieve-select-method gnus-sieve-crosspost\), then
execute gnus-sieve-update-shell-command.
See the documentation for these variables and functions for details."
(interactive)
(gnus-sieve-generate)
(save-buffer)
(shell-command
(format-spec gnus-sieve-update-shell-command
(format-spec-make ?f gnus-sieve-file
?s (or (cadr (gnus-server-get-method
nil gnus-sieve-select-method))
"")))))
;;;###autoload
(defun gnus-sieve-generate ()
"Generate the Sieve script in gnus-sieve-file, by replacing the region
between gnus-sieve-region-start and gnus-sieve-region-end with
\(gnus-sieve-script gnus-sieve-select-method gnus-sieve-crosspost\).
See the documentation for these variables and functions for details."
(interactive)
(require 'sieve)
(find-file gnus-sieve-file)
(goto-char (point-min))
(if (re-search-forward (regexp-quote gnus-sieve-region-start) nil t)
(delete-region (match-beginning 0)
(or (re-search-forward (regexp-quote
gnus-sieve-region-end) nil t)
(point)))
(insert sieve-template))
(insert gnus-sieve-region-start
(gnus-sieve-script gnus-sieve-select-method gnus-sieve-crosspost)
gnus-sieve-region-end))
(defun gnus-sieve-guess-rule-for-article ()
"Guess a sieve rule based on RFC822 article in buffer.
Return nil if no rule could be guessed."
(when (message-fetch-field "sender")
`(sieve address "sender" ,(message-fetch-field "sender"))))
;;;###autoload
(defun gnus-sieve-article-add-rule ()
(interactive)
(gnus-summary-select-article nil 'force)
(with-current-buffer gnus-original-article-buffer
(let ((rule (gnus-sieve-guess-rule-for-article))
(info (gnus-get-info gnus-newsgroup-name)))
(if (null rule)
(error "Could not guess rule for article")
(gnus-info-set-params info (cons rule (gnus-info-params info)))
(message "Added rule in group %s for article: %s" gnus-newsgroup-name
rule)))))
;; Internals
;; FIXME: do proper quoting of " etc
(defun gnus-sieve-string-list (list)
"Convert an elisp string list to a Sieve string list.
For example:
\(gnus-sieve-string-list '(\"to\" \"cc\"))
=> \"[\\\"to\\\", \\\"cc\\\"]\"
"
(concat "[\"" (mapconcat 'identity list "\", \"") "\"]"))
(defun gnus-sieve-test-list (list)
"Convert an elisp test list to a Sieve test list.
For example:
\(gnus-sieve-test-list '((address \"sender\" \"boss@company.com\") (size :over 4K)))
=> \"(address \\\"sender\\\" \\\"boss@company.com\\\", size :over 4K)\""
(concat "(" (mapconcat 'gnus-sieve-test list ", ") ")"))
;; FIXME: do proper quoting
(defun gnus-sieve-test-token (token)
"Convert an elisp test token to a Sieve test token.
For example:
\(gnus-sieve-test-token 'address)
=> \"address\"
\(gnus-sieve-test-token \"sender\")
=> \"\\\"sender\\\"\"
\(gnus-sieve-test-token '(\"to\" \"cc\"))
=> \"[\\\"to\\\", \\\"cc\\\"]\""
(cond
((symbolp token) ;; Keyword
(symbol-name token))
((stringp token) ;; String
(concat "\"" token "\""))
((and (listp token) ;; String list
(stringp (car token)))
(gnus-sieve-string-list token))
((and (listp token) ;; Test list
(listp (car token)))
(gnus-sieve-test-list token))))
(defun gnus-sieve-test (test)
"Convert an elisp test to a Sieve test.
For example:
\(gnus-sieve-test '(address \"sender\" \"sieve-admin@extundo.com\"))
=> \"address \\\"sender\\\" \\\"sieve-admin@extundo.com\\\"\"
\(gnus-sieve-test '(anyof ((header :contains (\"to\" \"cc\") \"my@address.com\")
(size :over 100K))))
=> \"anyof (header :contains [\\\"to\\\", \\\"cc\\\"] \\\"my@address.com\\\",
size :over 100K)\""
(mapconcat 'gnus-sieve-test-token test " "))
(defun gnus-sieve-script (&optional method crosspost)
"Generate a Sieve script based on groups with select method METHOD
\(or all groups if nil\). Only groups having a `sieve' parameter are
considered. This parameter should contain an elisp test
\(see the documentation of gnus-sieve-test for details\). For each
such group, a Sieve IF control structure is generated, having the
test as the condition and { fileinto \"group.name\"; } as the body.
If CROSSPOST is nil, each conditional body contains a \"stop\" command
which stops execution after a match is found.
For example: If the INBOX.list.sieve group has the
(sieve address \"sender\" \"sieve-admin@extundo.com\")
group parameter, (gnus-sieve-script) results in:
if address \"sender\" \"sieve-admin@extundo.com\" {
fileinto \"INBOX.list.sieve\";
}
This is returned as a string."
(let* ((newsrc (cdr gnus-newsrc-alist))
script)
(dolist (info newsrc)
(when (or (not method)
(gnus-server-equal method (gnus-info-method info)))
(let* ((group (gnus-info-group info))
(spec (gnus-group-find-parameter group 'sieve t)))
(when spec
(push (concat "if " (gnus-sieve-test spec) " {\n"
"\tfileinto \"" (gnus-group-real-name group) "\";\n"
(if crosspost
""
"\tstop;\n")
"}")
script)))))
(mapconcat 'identity script "\n")))
(provide 'gnus-sieve)
;;; arch-tag: 3b906527-c7f3-4c86-9e82-62e2697998a3
;;; gnus-sieve.el ends here
|
