1 ;;; gnus-soup.el --- SOUP packet writing support for Gnus
3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Per Abrahamsen <abraham@iesd.auc.dk>
7 ;; Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; Keywords: news, mail
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25 ;; Boston, MA 02110-1301, USA.
31 (eval-when-compile (require 'cl
))
39 (defgroup gnus-soup nil
40 "SOUP packet writing support for Gnus."
45 (defcustom gnus-soup-directory
(nnheader-concat gnus-home-directory
"SoupBrew/")
46 "Directory containing an unpacked SOUP packet."
47 :version
"22.1" ;; Gnus 5.10.9
51 (defcustom gnus-soup-replies-directory
52 (nnheader-concat gnus-soup-directory
"SoupReplies/")
53 "Directory where Gnus will do processing of replies."
54 :version
"22.1" ;; Gnus 5.10.9
58 (defcustom gnus-soup-prefix-file
"gnus-prefix"
59 "Name of the file where Gnus stores the last used prefix."
60 :version
"22.1" ;; Gnus 5.10.9
64 (defcustom gnus-soup-packer
"tar cf - %s | gzip > $HOME/Soupout%d.tgz"
65 "Format string command for packing a SOUP packet.
66 The SOUP files will be inserted where the %s is in the string.
67 This string MUST contain both %s and %d. The file number will be
68 inserted where %d appears."
69 :version
"22.1" ;; Gnus 5.10.9
73 (defcustom gnus-soup-unpacker
"gunzip -c %s | tar xvf -"
74 "Format string command for unpacking a SOUP packet.
75 The SOUP packet file name will be inserted at the %s."
76 :version
"22.1" ;; Gnus 5.10.9
80 (defcustom gnus-soup-packet-directory gnus-home-directory
81 "Where gnus-soup will look for REPLIES packets."
82 :version
"22.1" ;; Gnus 5.10.9
86 (defcustom gnus-soup-packet-regexp
"Soupin"
87 "Regular expression matching SOUP REPLIES packets in `gnus-soup-packet-directory'."
88 :version
"22.1" ;; Gnus 5.10.9
92 (defcustom gnus-soup-ignored-headers
"^Xref:"
93 "Regexp to match headers to be removed when brewing SOUP packets."
94 :version
"22.1" ;; Gnus 5.10.9
98 ;;; Internal Variables:
100 (defvar gnus-soup-encoding-type ?u
101 "*Soup encoding type.
102 `u' is USENET news format, `m' is Unix mbox format, and `M' is MMDF mailbox
105 (defvar gnus-soup-index-type ?c
107 `n' means no index file and `c' means standard Cnews overview
110 (defvar gnus-soup-areas nil
)
111 (defvar gnus-soup-last-prefix nil
)
112 (defvar gnus-soup-prev-prefix nil
)
113 (defvar gnus-soup-buffers nil
)
117 (defmacro gnus-soup-area-prefix
(area)
119 (defmacro gnus-soup-set-area-prefix
(area prefix
)
120 `(aset ,area
0 ,prefix
))
121 (defmacro gnus-soup-area-name
(area)
123 (defmacro gnus-soup-area-encoding
(area)
125 (defmacro gnus-soup-area-description
(area)
127 (defmacro gnus-soup-area-number
(area)
129 (defmacro gnus-soup-area-set-number
(area value
)
130 `(aset ,area
4 ,value
))
132 (defmacro gnus-soup-encoding-format
(encoding)
134 (defmacro gnus-soup-encoding-index
(encoding)
136 (defmacro gnus-soup-encoding-kind
(encoding)
139 (defmacro gnus-soup-reply-prefix
(reply)
141 (defmacro gnus-soup-reply-kind
(reply)
143 (defmacro gnus-soup-reply-encoding
(reply)
148 (defun gnus-soup-send-replies ()
149 "Unpack and send all replies in the reply packet."
151 (let ((packets (directory-files
152 gnus-soup-packet-directory t gnus-soup-packet-regexp
)))
154 (when (gnus-soup-send-packet (car packets
))
155 (delete-file (car packets
)))
156 (setq packets
(cdr packets
)))))
158 (defun gnus-soup-add-article (n)
159 "Add the current article to SOUP packet.
160 If N is a positive number, add the N next articles.
161 If N is a negative number, add the N previous articles.
162 If N is nil and any articles have been marked with the process mark,
163 move those articles instead."
165 (let* ((articles (gnus-summary-work-articles n
))
166 (tmp-buf (gnus-get-buffer-create "*soup work*"))
167 (area (gnus-soup-area gnus-newsgroup-name
))
168 (prefix (gnus-soup-area-prefix area
))
170 (buffer-disable-undo tmp-buf
)
173 ;; Put the article in a buffer.
175 (when (gnus-request-article-this-buffer
176 (car articles
) gnus-newsgroup-name
)
177 (setq headers
(nnheader-parse-head t
))
179 (message-narrow-to-head)
180 (message-remove-header gnus-soup-ignored-headers t
))
181 (gnus-soup-store gnus-soup-directory prefix headers
182 gnus-soup-encoding-type
183 gnus-soup-index-type
)
184 (gnus-soup-area-set-number
185 area
(1+ (or (gnus-soup-area-number area
) 0)))
186 ;; Mark article as read.
187 (set-buffer gnus-summary-buffer
)
188 (gnus-summary-mark-as-read (car articles
) gnus-souped-mark
))
189 (gnus-summary-remove-process-mark (car articles
))
190 (setq articles
(cdr articles
)))
191 (kill-buffer tmp-buf
))
192 (gnus-soup-save-areas)
193 (gnus-set-mode-line 'summary
)))
195 (defun gnus-soup-pack-packet ()
196 "Make a SOUP packet from the SOUP areas."
198 (gnus-soup-read-areas)
199 (if (file-exists-p gnus-soup-directory
)
200 (if (directory-files gnus-soup-directory nil
"\\.MSG$")
201 (gnus-soup-pack gnus-soup-directory gnus-soup-packer
)
202 (message "No files to pack."))
203 (message "No such directory: %s" gnus-soup-directory
)))
205 (defun gnus-group-brew-soup (n)
206 "Make a soup packet from the current group.
207 Uses the process/prefix convention."
209 (let ((groups (gnus-group-process-prefix n
)))
211 (gnus-group-remove-mark (car groups
))
212 (gnus-soup-group-brew (car groups
) t
)
213 (setq groups
(cdr groups
)))
214 (gnus-soup-save-areas)))
216 (defun gnus-brew-soup (&optional level
)
217 "Go through all groups on LEVEL or less and make a soup packet."
219 (let ((level (or level gnus-level-subscribed
))
220 (newsrc (cdr gnus-newsrc-alist
)))
222 (when (<= (nth 1 (car newsrc
)) level
)
223 (gnus-soup-group-brew (caar newsrc
) t
))
224 (setq newsrc
(cdr newsrc
)))
225 (gnus-soup-save-areas)))
228 (defun gnus-batch-brew-soup ()
229 "Brew a SOUP packet from groups mention on the command line.
230 Will use the remaining command line arguments as regular expressions
231 for matching on group names.
233 For instance, if you want to brew on all the nnml groups, as well as
234 groups with \"emacs\" in the name, you could say something like:
236 $ emacs -batch -f gnus-batch-brew-soup ^nnml \".*emacs.*\"
238 Note -- this function hasn't been implemented yet."
242 ;;; Internal Functions:
244 ;; Store the current buffer.
245 (defun gnus-soup-store (directory prefix headers format index
)
246 ;; Create the directory, if needed.
247 (gnus-make-directory directory
)
248 (let* ((msg-buf (nnheader-find-file-noselect
249 (concat directory prefix
".MSG")))
250 (idx-buf (if (= index ?n
)
252 (nnheader-find-file-noselect
253 (concat directory prefix
".IDX"))))
254 (article-buf (current-buffer))
255 from head-line beg type
)
256 (setq gnus-soup-buffers
(cons msg-buf
(delq msg-buf gnus-soup-buffers
)))
257 (buffer-disable-undo msg-buf
)
259 (push idx-buf gnus-soup-buffers
)
260 (buffer-disable-undo idx-buf
))
262 ;; Make sure the last char in the buffer is a newline.
263 (goto-char (point-max))
264 (unless (= (current-column) 0)
267 (goto-char (point-min))
269 (gnus-mail-strip-quoted-names
270 (or (mail-fetch-field "from")
271 (mail-fetch-field "really-from")
272 (mail-fetch-field "sender"))))
273 (goto-char (point-min))
274 ;; Depending on what encoding is supposed to be used, we make
278 ((or (= gnus-soup-encoding-type ?u
)
279 (= gnus-soup-encoding-type ?n
)) ;;Gnus back compatibility.
280 (format "#! rnews %d\n" (buffer-size)))
281 ((= gnus-soup-encoding-type ?m
)
282 (while (search-forward "\nFrom " nil t
)
283 (replace-match "\n>From " t t
))
284 (concat "From " (or from
"unknown")
285 " " (current-time-string) "\n"))
286 ((= gnus-soup-encoding-type ?M
)
288 (t (error "Unsupported type: %c" gnus-soup-encoding-type
))))
289 ;; Insert the soup header and the article in the MSG buf.
291 (goto-char (point-max))
294 (insert-buffer-substring article-buf
)
295 ;; Insert the index in the IDX buf.
298 (gnus-soup-insert-idx beg headers
))
300 (error "Unknown index type: %c" type
)))
301 ;; Return the MSG buf.
304 (defun gnus-soup-group-brew (group &optional not-all
)
305 "Enter GROUP and add all articles to a SOUP package.
306 If NOT-ALL, don't pack ticked articles."
307 (let ((gnus-expert-user t
)
308 (gnus-large-newsgroup nil
)
309 (entry (gnus-gethash group gnus-newsrc-hashtb
)))
310 (when (or (null entry
)
315 (gnus-range-length (cdr (assq 'tick
(gnus-info-marks
317 (when (gnus-summary-read-group group nil t
)
318 (setq gnus-newsgroup-processable
321 (append gnus-newsgroup-marked gnus-newsgroup-unreads
)
322 gnus-newsgroup-unreads
)))
323 (gnus-soup-add-article nil
)
324 (gnus-summary-exit)))))
326 (defun gnus-soup-insert-idx (offset header
)
327 ;; [number subject from date id references chars lines xref]
328 (goto-char (point-max))
330 (format "%d\t%s\t%s\t%s\t%s\t%s\t%d\t%s\t\t\n"
332 (or (mail-header-subject header
) "(none)")
333 (or (mail-header-from header
) "(nobody)")
334 (or (mail-header-date header
) "")
335 (or (mail-header-id header
)
336 (concat "soup-dummy-id-"
338 (lambda (time) (int-to-string time
))
339 (current-time) "-")))
340 (or (mail-header-references header
) "")
341 (or (mail-header-chars header
) 0)
342 (or (mail-header-lines header
) "0"))))
344 (defun gnus-soup-save-areas ()
345 "Write all SOUP buffers."
347 (gnus-soup-write-areas)
350 (while gnus-soup-buffers
351 (setq buf
(car gnus-soup-buffers
)
352 gnus-soup-buffers
(cdr gnus-soup-buffers
))
353 (if (not (buffer-name buf
))
356 (when (buffer-modified-p)
358 (kill-buffer (current-buffer)))))
359 (gnus-soup-write-prefixes)))
361 (defun gnus-soup-write-prefixes ()
362 (let ((prefixes gnus-soup-last-prefix
)
365 (gnus-set-work-buffer)
366 (while (setq prefix
(pop prefixes
))
368 (insert (format "(setq gnus-soup-prev-prefix %d)\n" (cdr prefix
)))
369 (let ((coding-system-for-write mm-text-coding-system
))
370 (gnus-write-buffer (concat (car prefix
) gnus-soup-prefix-file
)))))))
372 (defun gnus-soup-pack (dir packer
)
373 (let* ((files (mapconcat 'identity
374 '("AREAS" "*.MSG" "*.IDX" "INFO"
375 "LIST" "REPLIES" "COMMANDS" "ERRORS")
377 (packer (if (< (string-match "%s" packer
)
378 (string-match "%d" packer
))
380 (string-to-number (gnus-soup-unique-prefix dir
)))
382 (string-to-number (gnus-soup-unique-prefix dir
))
384 (dir (expand-file-name dir
)))
385 (gnus-make-directory dir
)
386 (setq gnus-soup-areas nil
)
387 (gnus-message 4 "Packing %s..." packer
)
388 (if (eq 0 (call-process shell-file-name
389 nil nil nil shell-command-switch
390 (concat "cd " dir
" ; " packer
)))
392 (call-process shell-file-name nil nil nil shell-command-switch
393 (concat "cd " dir
" ; rm " files
))
394 (gnus-message 4 "Packing...done" packer
))
395 (error "Couldn't pack packet"))))
397 (defun gnus-soup-parse-areas (file)
398 "Parse soup area file FILE.
399 The result is a of vectors, each containing one entry from the AREA file.
400 The vector contain five strings,
401 [prefix name encoding description number]
402 though the two last may be nil if they are missing."
404 (when (file-exists-p file
)
406 (set-buffer (nnheader-find-file-noselect file
'force
))
407 (buffer-disable-undo)
408 (goto-char (point-min))
410 (push (vector (gnus-soup-field)
413 (and (eq (preceding-char) ?
\t)
415 (and (eq (preceding-char) ?
\t)
416 (string-to-number (gnus-soup-field))))
418 (when (eq (preceding-char) ?
\t)
419 (beginning-of-line 2)))
420 (kill-buffer (current-buffer))))
423 (defun gnus-soup-parse-replies (file)
424 "Parse soup REPLIES file FILE.
425 The result is a of vectors, each containing one entry from the REPLIES
426 file. The vector contain three strings, [prefix name encoding]."
429 (set-buffer (nnheader-find-file-noselect file
))
430 (buffer-disable-undo)
431 (goto-char (point-min))
433 (push (vector (gnus-soup-field) (gnus-soup-field)
436 (when (eq (preceding-char) ?
\t)
437 (beginning-of-line 2)))
438 (kill-buffer (current-buffer)))
441 (defun gnus-soup-field ()
443 (buffer-substring (point) (progn (skip-chars-forward "^\t\n") (point)))
446 (defun gnus-soup-read-areas ()
448 (setq gnus-soup-areas
449 (gnus-soup-parse-areas (concat gnus-soup-directory
"AREAS")))))
451 (defun gnus-soup-write-areas ()
452 "Write the AREAS file."
454 (when gnus-soup-areas
455 (with-temp-file (concat gnus-soup-directory
"AREAS")
456 (let ((areas gnus-soup-areas
)
458 (while (setq area
(pop areas
))
462 (gnus-soup-area-prefix area
)
463 (gnus-soup-area-name area
)
464 (gnus-soup-area-encoding area
)
465 (if (or (gnus-soup-area-description area
)
466 (gnus-soup-area-number area
))
467 (concat "\t" (or (gnus-soup-area-description
469 (if (gnus-soup-area-number area
)
470 (concat "\t" (int-to-string
471 (gnus-soup-area-number area
)))
474 (defun gnus-soup-write-replies (dir areas
)
475 "Write a REPLIES file in DIR containing AREAS."
476 (with-temp-file (concat dir
"REPLIES")
478 (while (setq area
(pop areas
))
479 (insert (format "%s\t%s\t%s\n"
480 (gnus-soup-reply-prefix area
)
481 (gnus-soup-reply-kind area
)
482 (gnus-soup-reply-encoding area
)))))))
484 (defun gnus-soup-area (group)
485 (gnus-soup-read-areas)
486 (let ((areas gnus-soup-areas
)
487 (real-group (gnus-group-real-name group
))
490 (setq area
(car areas
)
492 (when (equal (gnus-soup-area-name area
) real-group
)
496 (vector (gnus-soup-unique-prefix)
499 gnus-soup-encoding-type
501 (if (gnus-member-of-valid 'mail group
) ?m ?n
))
503 gnus-soup-areas
(cons result gnus-soup-areas
)))
506 (defun gnus-soup-unique-prefix (&optional dir
)
507 (let* ((dir (file-name-as-directory (or dir gnus-soup-directory
)))
508 (entry (assoc dir gnus-soup-last-prefix
))
509 gnus-soup-prev-prefix
)
512 (when (file-exists-p (concat dir gnus-soup-prefix-file
))
514 (load (concat dir gnus-soup-prefix-file
) nil t t
)))
515 (push (setq entry
(cons dir
(or gnus-soup-prev-prefix
0)))
516 gnus-soup-last-prefix
))
517 (setcdr entry
(1+ (cdr entry
)))
518 (gnus-soup-write-prefixes)
519 (int-to-string (cdr entry
))))
521 (defun gnus-soup-unpack-packet (dir unpacker packet
)
522 "Unpack PACKET into DIR using UNPACKER.
523 Return whether the unpacking was successful."
524 (gnus-make-directory dir
)
525 (gnus-message 4 "Unpacking: %s" (format unpacker packet
))
528 shell-file-name nil nil nil shell-command-switch
529 (format "cd %s ; %s" (expand-file-name dir
)
530 (format unpacker packet
))))
531 (gnus-message 4 "Unpacking...done")))
533 (defun gnus-soup-send-packet (packet)
534 (gnus-soup-unpack-packet
535 gnus-soup-replies-directory gnus-soup-unpacker packet
)
536 (let ((replies (gnus-soup-parse-replies
537 (concat gnus-soup-replies-directory
"REPLIES"))))
540 (let* ((msg-file (concat gnus-soup-replies-directory
541 (gnus-soup-reply-prefix (car replies
))
543 (msg-buf (and (file-exists-p msg-file
)
544 (nnheader-find-file-noselect msg-file
)))
545 (tmp-buf (gnus-get-buffer-create " *soup send*"))
548 ((and (/= (gnus-soup-encoding-format
549 (gnus-soup-reply-encoding (car replies
)))
551 (/= (gnus-soup-encoding-format
552 (gnus-soup-reply-encoding (car replies
)))
553 ?n
)) ;; Gnus back compatibility.
554 (error "Unsupported encoding"))
558 (buffer-disable-undo msg-buf
)
560 (goto-char (point-min))
562 (unless (looking-at "#! *rnews +\\([0-9]+\\)")
563 (error "Bad header"))
566 end
(+ (point) (string-to-number
568 (match-beginning 1) (match-end 1)))))
569 (switch-to-buffer tmp-buf
)
571 (mm-disable-multibyte)
572 (insert-buffer-substring msg-buf beg end
)
574 ((string= (gnus-soup-reply-kind (car replies
)) "news")
575 (gnus-message 5 "Sending news message to %s..."
576 (mail-fetch-field "newsgroups"))
578 (let ((message-syntax-checks
579 'dont-check-for-anything-just-trust-me
)
580 (method (if (functionp message-post-method
)
581 (funcall message-post-method
)
582 message-post-method
))
584 (run-hooks 'message-send-news-hook
)
585 (gnus-open-server method
)
586 (message "Sending news via %s..."
587 (gnus-server-string method
))
588 (unless (let ((mail-header-separator ""))
589 (gnus-request-post method
))
590 (message "Couldn't send message via news: %s"
591 (nnheader-get-report (car method
))))))
592 ((string= (gnus-soup-reply-kind (car replies
)) "mail")
593 (gnus-message 5 "Sending mail to %s..."
594 (mail-fetch-field "to"))
596 (let ((mail-header-separator ""))
597 (mm-with-unibyte-current-buffer
598 (funcall (or message-send-mail-real-function
599 message-send-mail-function
)))))
601 (error "Unknown reply kind")))
604 (delete-file (buffer-file-name))
605 (kill-buffer msg-buf
)
606 (kill-buffer tmp-buf
)
607 (gnus-message 4 "Sent packet"))))
608 (setq replies
(cdr replies
)))
613 ;;; arch-tag: eddfa69d-13e8-4aea-84ef-62a526ef185c
614 ;;; gnus-soup.el ends here