1 ;;; elmo-nntp.el --- NNTP Interface for ELMO.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
5 ;; Copyright (C) 1999,2000 Kenichi OKADA <okada@opaopa.org>
7 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
8 ;; Masahiro MURATA <muse@ba2.so-net.ne.jp>
9 ;; Kenichi OKADA <okada@opaopa.org>
10 ;; Keywords: mail, net news
12 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
14 ;; This program is free software; you can redistribute it and/or modify
15 ;; it under the terms of the GNU General Public License as published by
16 ;; the Free Software Foundation; either version 2, or (at your option)
19 ;; This program is distributed in the hope that it will be useful,
20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 ;; GNU General Public License for more details.
24 ;; You should have received a copy of the GNU General Public License
25 ;; along with GNU Emacs; see the file COPYING. If not, write to the
26 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
27 ;; Boston, MA 02111-1307, USA.
35 (eval-when-compile (require 'cl))
45 (defvar elmo-nntp-overview-fetch-chop-length 200
46 "*Number of overviews to fetch in one request in nntp.")
48 (defvar elmo-nntp-use-cache t
49 "Use cache in nntp folder.")
51 (defvar elmo-nntp-max-number-precedes-list-active nil
52 "Non-nil means max number of msgdb is set as the max number of `list active'.
53 \(Needed for inn 2.3 or later?\).")
55 (defvar elmo-nntp-group-coding-system nil
56 "A coding system for newsgroup string.")
58 (defconst elmo-nntp-folder-name-syntax `(group
59 (?: [user "^\\([A-Za-z]\\|$\\)"])
60 ,@elmo-net-folder-name-syntax))
62 (defsubst elmo-nntp-encode-group-string (string)
63 (if elmo-nntp-group-coding-system
64 (encode-coding-string string elmo-nntp-group-coding-system)
67 (defsubst elmo-nntp-decode-group-string (string)
68 (if elmo-nntp-group-coding-system
69 (decode-coding-string string elmo-nntp-group-coding-system)
73 (defvar elmo-nntp-debug nil
74 "Non-nil forces NNTP folder as debug mode.
75 Debug information is inserted in the buffer \"*NNTP DEBUG*\"")
78 (defsubst elmo-nntp-debug (message &rest args)
80 (let ((biff (string-match "BIFF-" (buffer-name)))
82 (with-current-buffer (get-buffer-create (concat "*NNTP DEBUG*"
84 (goto-char (point-max))
86 (insert (apply 'format message args) "\n")))))
90 (luna-define-class elmo-nntp-folder (elmo-net-folder)
91 (group temp-crosses reads))
92 (luna-define-internal-accessors 'elmo-nntp-folder))
94 (luna-define-method elmo-folder-initialize ((folder elmo-nntp-folder) name)
95 (let ((elmo-network-stream-type-alist
96 (if elmo-nntp-stream-type-alist
97 (setq elmo-network-stream-type-alist
98 (append elmo-nntp-stream-type-alist
99 elmo-network-stream-type-alist))
100 elmo-network-stream-type-alist))
102 (setq tokens (car (elmo-parse-separated-tokens
104 elmo-nntp-folder-name-syntax)))
106 (elmo-nntp-folder-set-group-internal folder
107 (elmo-nntp-encode-group-string
108 (cdr (assq 'group tokens))))
110 (elmo-net-folder-set-user-internal folder
111 (let ((user (cdr (assq 'user tokens))))
113 (and (> (length user) 0) user)
114 elmo-nntp-default-user)))
116 (elmo-net-folder-set-parameters
119 (list :server elmo-nntp-default-server
120 :port elmo-nntp-default-port
122 (elmo-get-network-stream-type elmo-nntp-default-stream-type)))
125 (luna-define-method elmo-folder-expand-msgdb-path ((folder elmo-nntp-folder))
126 (convert-standard-filename
128 (elmo-nntp-folder-group-internal folder)
129 (expand-file-name (or (elmo-net-folder-server-internal folder) "nowhere")
130 (expand-file-name "nntp"
131 elmo-msgdb-directory)))))
133 (luna-define-method elmo-folder-newsgroups ((folder elmo-nntp-folder))
134 (list (elmo-nntp-folder-group-internal folder)))
138 (luna-define-class elmo-nntp-session (elmo-network-session)
140 (luna-define-internal-accessors 'elmo-nntp-session))
143 ;; internal variables
146 (defvar elmo-nntp-connection-cache nil
147 "Cache of NNTP connection.")
148 ;; buffer local variable
150 (defvar elmo-nntp-list-folders-use-cache 600
151 "*Time to cache of list folders, as the number of seconds.
152 Don't cache if nil.")
154 (defvar elmo-nntp-list-folders-cache nil)
156 (defvar elmo-nntp-groups-async nil)
157 (defvar elmo-nntp-header-fetch-chop-length 200)
159 (defvar elmo-nntp-read-point 0)
161 (defvar elmo-nntp-send-mode-reader t)
163 (defvar elmo-nntp-opened-hook nil)
165 (defvar elmo-nntp-get-folders-securely nil)
167 (defvar elmo-nntp-default-use-xover t)
169 (defvar elmo-nntp-default-use-listgroup t)
171 (defvar elmo-nntp-default-use-list-active t)
173 (defvar elmo-nntp-default-use-xhdr t)
175 (defvar elmo-nntp-server-command-alist nil)
178 (defconst elmo-nntp-server-command-index '((xover . 0)
183 (defmacro elmo-nntp-get-server-command (session)
184 (` (assoc (cons (elmo-network-session-server-internal (, session))
185 (elmo-network-session-port-internal (, session)))
186 elmo-nntp-server-command-alist)))
188 (defmacro elmo-nntp-set-server-command (session com value)
190 (unless (setq entry (cdr (elmo-nntp-get-server-command
192 (setq elmo-nntp-server-command-alist
193 (nconc elmo-nntp-server-command-alist
196 (elmo-network-session-server-internal (, session))
197 (elmo-network-session-port-internal (, session)))
200 elmo-nntp-default-use-xover
201 elmo-nntp-default-use-listgroup
202 elmo-nntp-default-use-list-active
203 elmo-nntp-default-use-xhdr)))))))
205 (cdr (assq (, com) elmo-nntp-server-command-index))
208 (defmacro elmo-nntp-xover-p (session)
209 (` (let ((entry (elmo-nntp-get-server-command (, session))))
212 (cdr (assq 'xover elmo-nntp-server-command-index)))
213 elmo-nntp-default-use-xover))))
215 (defmacro elmo-nntp-set-xover (session value)
216 (` (elmo-nntp-set-server-command (, session) 'xover (, value))))
218 (defmacro elmo-nntp-listgroup-p (session)
219 (` (let ((entry (elmo-nntp-get-server-command (, session))))
222 (cdr (assq 'listgroup elmo-nntp-server-command-index)))
223 elmo-nntp-default-use-listgroup))))
225 (defmacro elmo-nntp-set-listgroup (session value)
226 (` (elmo-nntp-set-server-command (, session) 'listgroup (, value))))
228 (defmacro elmo-nntp-list-active-p (session)
229 (` (let ((entry (elmo-nntp-get-server-command (, session))))
232 (cdr (assq 'list-active elmo-nntp-server-command-index)))
233 elmo-nntp-default-use-list-active))))
235 (defmacro elmo-nntp-set-list-active (session value)
236 (` (elmo-nntp-set-server-command (, session) 'list-active (, value))))
238 (defmacro elmo-nntp-xhdr-p (session)
239 (` (let ((entry (elmo-nntp-get-server-command (, session))))
242 (cdr (assq 'xhdr elmo-nntp-server-command-index)))
243 elmo-nntp-default-use-xhdr))))
245 (defmacro elmo-nntp-set-xhdr (session value)
246 (` (elmo-nntp-set-server-command (, session) 'xhdr (, value))))
248 (defsubst elmo-nntp-max-number-precedes-list-active-p ()
249 elmo-nntp-max-number-precedes-list-active)
251 (defsubst elmo-nntp-folder-postfix (user server port type)
253 (and user (concat ":" user))
255 (null (string= server elmo-nntp-default-server)))
258 (null (eq port elmo-nntp-default-port)))
259 (concat ":" (if (numberp port)
260 (int-to-string port) port)))
261 (unless (eq (elmo-network-stream-type-symbol type)
262 elmo-nntp-default-stream-type)
263 (elmo-network-stream-type-spec-string type))))
265 (defun elmo-nntp-get-session (folder &optional if-exists)
266 (elmo-network-get-session
269 (if (elmo-folder-biff-internal folder)
275 (luna-define-method elmo-network-initialize-session ((session
277 (let ((process (elmo-network-session-process-internal session))
279 (set-process-filter (elmo-network-session-process-internal session)
280 'elmo-nntp-process-filter)
281 (with-current-buffer (elmo-network-session-buffer session)
282 (setq elmo-nntp-read-point (point-min))
283 ;; Skip garbage output from process before greeting.
284 (while (and (memq (process-status process) '(open run))
285 (goto-char (point-max))
287 (not (looking-at "^[2-5][0-9][0-9]")))
288 (accept-process-output process 1))
289 (setq elmo-nntp-read-point (point))
290 (setq response (elmo-nntp-read-response session t t))
291 (unless (car response)
292 (signal 'elmo-open-error (list (cdr response))))
293 (if elmo-nntp-send-mode-reader
294 (elmo-nntp-send-mode-reader session))
295 (when (eq (elmo-network-stream-type-symbol
296 (elmo-network-session-stream-type-internal session))
298 (elmo-nntp-send-command session "starttls")
299 (or (elmo-nntp-read-response session)
300 (error "Cannot open starttls session"))
301 (starttls-negotiate process)))))
303 (luna-define-method elmo-network-authenticate-session ((session
305 (with-current-buffer (elmo-network-session-buffer session)
306 (when (elmo-network-session-user-internal session)
307 (elmo-nntp-send-command session
308 (format "authinfo user %s"
309 (elmo-network-session-user-internal
313 (or (elmo-nntp-read-response session)
314 (signal 'elmo-authenticate-error '(authinfo)))
315 (elmo-nntp-send-command
317 (format "authinfo pass %s"
318 (elmo-get-passwd (elmo-network-session-password-key session)))
321 (or (elmo-nntp-read-response session)
322 (signal 'elmo-authenticate-error '(authinfo))))))
324 (luna-define-method elmo-network-setup-session ((session
326 (run-hooks 'elmo-nntp-opened-hook))
328 (defun elmo-nntp-process-filter (process output)
329 (when (buffer-live-p (process-buffer process))
330 (with-current-buffer (process-buffer process)
331 (goto-char (point-max))
333 (elmo-nntp-debug "RECEIVED: %s\n" output))))
335 (defun elmo-nntp-send-mode-reader (session)
336 (elmo-nntp-send-command session "mode reader")
337 (if (null (elmo-nntp-read-response session t))
338 (message "Mode reader failed")))
340 (defun elmo-nntp-send-command (session command &optional noerase no-log)
341 (with-current-buffer (elmo-network-session-buffer session)
344 (goto-char (point-min)))
345 (setq elmo-nntp-read-point (point))
346 (elmo-nntp-debug "SEND: %s\n" (if no-log "<NO LOGGING>" command))
347 (process-send-string (elmo-network-session-process-internal
349 (process-send-string (elmo-network-session-process-internal
352 (defun elmo-nntp-read-response (session &optional not-command error-msg)
353 (with-current-buffer (elmo-network-session-buffer session)
354 (let ((process (elmo-network-session-process-internal session))
355 (case-fold-search nil)
356 (response-string nil)
357 (response-continue t)
359 (while response-continue
360 (goto-char elmo-nntp-read-point)
361 (while (not (search-forward "\r\n" nil t))
362 (accept-process-output process)
363 (goto-char elmo-nntp-read-point))
364 (setq match-end (point))
365 (setq response-string
366 (buffer-substring elmo-nntp-read-point (- match-end 2)))
367 (goto-char elmo-nntp-read-point)
368 (if (looking-at "[23][0-9]+ .*$")
369 (progn (setq response-continue nil)
370 (setq elmo-nntp-read-point match-end)
373 (concat response "\n" response-string)
375 (if (looking-at "[^23][0-9]+ .*$")
376 (progn (setq response-continue nil)
377 (setq elmo-nntp-read-point match-end)
379 (setq elmo-nntp-read-point match-end)
381 (setq response-continue nil))
384 (concat response "\n" response-string)
386 (setq elmo-nntp-read-point match-end)))
388 (cons response response-string)
391 (defun elmo-nntp-read-raw-response (session)
392 (with-current-buffer (elmo-network-session-buffer session)
393 (goto-char elmo-nntp-read-point)
394 (while (not (search-forward "\r\n" nil t))
395 (accept-process-output (elmo-network-session-process-internal
397 (goto-char elmo-nntp-read-point))
398 (buffer-substring elmo-nntp-read-point (- (point) 2))))
400 (defun elmo-nntp-read-contents (session)
401 (with-current-buffer (elmo-network-session-buffer session)
402 (goto-char elmo-nntp-read-point)
403 (while (not (re-search-forward "^\\.\r\n" nil t))
404 (accept-process-output (elmo-network-session-process-internal
406 (goto-char elmo-nntp-read-point))
408 (buffer-substring elmo-nntp-read-point
411 (defun elmo-nntp-read-body (session outbuf)
412 (with-current-buffer (elmo-network-session-buffer session)
413 (goto-char elmo-nntp-read-point)
414 (while (not (re-search-forward "^\\.\r\n" nil t))
415 (accept-process-output (elmo-network-session-process-internal session))
416 (goto-char elmo-nntp-read-point))
417 (let ((start elmo-nntp-read-point)
419 (with-current-buffer outbuf
421 (insert-buffer-substring (elmo-network-session-buffer session)
423 (elmo-delete-cr-buffer)))
426 (defun elmo-nntp-select-group (session group &optional force)
429 (not (string= (elmo-nntp-session-current-group-internal session)
433 (elmo-nntp-send-command session (format "group %s" group))
434 (setq response (elmo-nntp-read-response session)))
435 (elmo-nntp-session-set-current-group-internal session
436 (and response group))
439 (defun elmo-nntp-list-folders-get-cache (group server buf)
440 (when (and elmo-nntp-list-folders-use-cache
441 elmo-nntp-list-folders-cache
442 (string-match (concat "^"
445 (nth 1 elmo-nntp-list-folders-cache)
448 (string-match (concat "^"
451 (nth 2 elmo-nntp-list-folders-cache)
454 (let* ((cache-time (car elmo-nntp-list-folders-cache)))
455 (unless (elmo-time-expire cache-time
456 elmo-nntp-list-folders-use-cache)
460 (insert (nth 3 elmo-nntp-list-folders-cache))
461 (goto-char (point-min))
462 (or (string= group "")
464 (keep-lines (concat "^" (regexp-quote group) "\\."))))
468 (defsubst elmo-nntp-catchup-msgdb (msgdb max-number)
469 (let ((numbers (elmo-msgdb-list-messages msgdb))
471 (setq msgdb-max (if numbers (apply #'max numbers) 0))
474 (< msgdb-max max-number))
475 (let ((i (1+ msgdb-max))
477 (while (<= i max-number)
478 (setq killed (cons i killed))
480 (nreverse killed)))))
482 (luna-define-method elmo-folder-list-subfolders ((folder elmo-nntp-folder)
484 (elmo-nntp-folder-list-subfolders folder one-level))
486 (defun elmo-nntp-folder-list-subfolders (folder one-level)
487 (let ((session (elmo-nntp-get-session folder))
488 (case-fold-search nil)
489 response ret-val top-ng username append-serv use-list-active start)
491 (set-buffer-multibyte nil)
492 (if (and (elmo-nntp-folder-group-internal folder)
493 (elmo-nntp-select-group
495 (elmo-nntp-folder-group-internal folder)))
496 ;; add top newsgroups
497 (setq ret-val (list (elmo-nntp-folder-group-internal folder))))
498 (unless (setq response (elmo-nntp-list-folders-get-cache
499 (elmo-nntp-folder-group-internal folder)
500 (elmo-net-folder-server-internal folder)
502 (when (setq use-list-active (elmo-nntp-list-active-p session))
503 (elmo-nntp-send-command
506 (if (and (elmo-nntp-folder-group-internal folder)
507 (not (string= (elmo-nntp-folder-group-internal
512 (elmo-nntp-folder-group-internal folder))))))
513 (if (elmo-nntp-read-response session t)
514 (if (null (setq response (elmo-nntp-read-contents session)))
515 (error "NNTP List folders failed")
516 (when elmo-nntp-list-folders-use-cache
517 (setq elmo-nntp-list-folders-cache
519 (elmo-nntp-folder-group-internal folder)
520 (elmo-net-folder-server-internal folder)
524 (elmo-nntp-set-list-active session nil)
525 (setq use-list-active nil)))
526 (when (null use-list-active)
527 (elmo-nntp-send-command session "list")
528 (if (null (and (elmo-nntp-read-response session t)
529 (setq response (elmo-nntp-read-contents session))))
530 (error "NNTP List folders failed"))
531 (when elmo-nntp-list-folders-use-cache
532 (setq elmo-nntp-list-folders-cache
533 (list (current-time) nil nil response)))
536 (while (string-match (concat "^"
539 (elmo-nntp-folder-group-internal
543 (insert (match-string 0 response) "\n")
544 (setq start (match-end 0)))))
545 (goto-char (point-min))
546 (let ((len (count-lines (point-min) (point-max)))
551 (format "^\\(%s[^. ]+\\)\\([. ]\\).*\n"
552 (if (and (elmo-nntp-folder-group-internal folder)
554 (elmo-nntp-folder-group-internal
556 (concat (elmo-nntp-folder-group-internal
560 (while (looking-at regexp)
561 (setq top-ng (elmo-match-buffer 1))
562 (if (string= (elmo-match-buffer 2) " ")
563 (if (not (or (member top-ng ret-val)
564 (assoc top-ng ret-val)))
565 (setq ret-val (nconc ret-val (list top-ng))))
566 (if (member top-ng ret-val)
567 (setq ret-val (delete top-ng ret-val)))
568 (if (not (assoc top-ng ret-val))
569 (setq ret-val (nconc ret-val (list (list top-ng))))))
570 (when (> len elmo-display-progress-threshold)
572 (if (or (zerop (% i 10)) (= i len))
573 (elmo-display-progress
574 'elmo-nntp-list-folders "Parsing active..."
577 (while (re-search-forward "\\([^ ]+\\) .*\n" nil t)
578 (setq ret-val (nconc ret-val
579 (list (elmo-match-buffer 1))))
580 (when (> len elmo-display-progress-threshold)
582 (if (or (zerop (% i 10)) (= i len))
583 (elmo-display-progress
584 'elmo-nntp-list-folders "Parsing active..."
585 (/ (* i 100) len))))))
586 (when (> len elmo-display-progress-threshold)
587 (elmo-display-progress
588 'elmo-nntp-list-folders "Parsing active..." 100))))
590 (setq username (or (elmo-net-folder-user-internal folder) ""))
591 (unless (string= username (or elmo-nntp-default-user ""))
592 (setq append-serv (concat append-serv
593 ":" (elmo-quote-syntactical-element
595 'user elmo-nntp-folder-name-syntax))))
596 (unless (string= (elmo-net-folder-server-internal folder)
597 elmo-nntp-default-server)
598 (setq append-serv (concat append-serv
599 "@" (elmo-net-folder-server-internal folder))))
600 (unless (eq (elmo-net-folder-port-internal folder) elmo-nntp-default-port)
601 (setq append-serv (concat append-serv
603 (elmo-net-folder-port-internal folder)))))
604 (unless (eq (elmo-network-stream-type-symbol
605 (elmo-net-folder-stream-type-internal folder))
606 elmo-nntp-default-stream-type)
609 (elmo-network-stream-type-spec-string
610 (elmo-net-folder-stream-type-internal folder)))))
611 (mapcar (lambda (fld)
613 (list (concat "-" (elmo-nntp-decode-group-string (car fld))
615 (concat "-" (elmo-nntp-decode-group-string fld) append-serv)))
618 (defun elmo-nntp-make-msglist (beg-str end-str)
619 (elmo-make-number-list (string-to-int beg-str) (string-to-int end-str)))
621 (luna-define-method elmo-folder-list-messages-plugged ((folder
624 (let ((session (elmo-nntp-get-session folder))
625 (group (elmo-nntp-folder-group-internal folder))
626 response numbers use-listgroup)
628 (when (setq use-listgroup (elmo-nntp-listgroup-p session))
629 (elmo-nntp-send-command session
630 (format "listgroup %s" group))
631 (if (not (elmo-nntp-read-response session t))
633 (elmo-nntp-set-listgroup session nil)
634 (setq use-listgroup nil))
635 (if (null (setq response (elmo-nntp-read-contents session)))
636 (error "Fetching listgroup failed"))
637 (setq numbers (elmo-string-to-list response))
638 (elmo-nntp-session-set-current-group-internal session
640 (unless use-listgroup
641 (elmo-nntp-send-command session (format "group %s" group))
642 (if (null (setq response (elmo-nntp-read-response session)))
643 (error "Select group failed"))
646 "211 \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) [^.].+$"
648 (> (string-to-int (elmo-match-string 1 response)) 0))
649 (setq numbers (elmo-nntp-make-msglist
650 (elmo-match-string 2 response)
651 (elmo-match-string 3 response)))))
654 (luna-define-method elmo-folder-status ((folder elmo-nntp-folder))
655 (elmo-nntp-folder-status folder))
657 (defun elmo-nntp-folder-status (folder)
658 (let ((killed-list (elmo-msgdb-killed-list-load
659 (elmo-folder-msgdb-path folder)))
661 (if elmo-nntp-groups-async
664 (concat (elmo-nntp-folder-group-internal folder)
665 (elmo-nntp-folder-postfix
666 (elmo-net-folder-user-internal folder)
667 (elmo-net-folder-server-internal folder)
668 (elmo-net-folder-port-internal folder)
669 (elmo-net-folder-stream-type-internal folder)))
670 elmo-newsgroups-hashtb))
672 (setq end-num (nth 2 entry))
673 (when (and killed-list
674 (elmo-number-set-member end-num killed-list))
677 (cons end-num (car entry)))
678 (error "No such newsgroup \"%s\""
679 (elmo-nntp-folder-group-internal folder)))
680 (let ((session (elmo-nntp-get-session folder))
683 (error "Connection failed"))
685 (elmo-nntp-send-command session
688 (elmo-nntp-folder-group-internal folder)))
689 (setq response (elmo-nntp-read-response session))
692 "211 \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) [^.].+$"
695 (setq end-num (string-to-int
696 (elmo-match-string 3 response)))
697 (setq e-num (string-to-int
698 (elmo-match-string 1 response)))
699 (when (and killed-list
700 (elmo-number-set-member end-num killed-list))
703 (cons end-num e-num))
705 (error "Selecting newsgroup \"%s\" failed"
706 (elmo-nntp-folder-group-internal folder))
709 (defconst elmo-nntp-overview-index
720 (defun elmo-nntp-create-msgdb-from-overview-string (folder
724 (let ((new-msgdb (elmo-make-msgdb))
725 ov-list message-id entity
727 field field-index flags)
728 (setq ov-list (elmo-nntp-parse-overview-string str))
730 (setq ov-entity (car ov-list))
732 ;;; (if (or (> (setq num (string-to-int (aref ov-entity 0)))
736 ;;; (setq num (int-to-string num))
737 (setq num (string-to-int (aref ov-entity 0)))
738 (when (or (null numlist)
740 (setq entity (elmo-msgdb-make-message-entity
741 (elmo-msgdb-message-entity-handler new-msgdb)
742 :message-id (aref ov-entity 4)
744 :references (elmo-msgdb-get-last-message-id
746 :from (elmo-with-enable-multibyte
748 (elmo-delete-char ?\"
749 (or (aref ov-entity 2)
751 :subject (or (elmo-with-enable-multibyte
755 :date (aref ov-entity 3)
756 :size (string-to-int (aref ov-entity 6))))
757 (dolist (extra elmo-msgdb-extra-fields)
758 (setq extra (downcase extra))
759 (when (and (setq field-index
760 (cdr (assoc extra elmo-nntp-overview-index)))
761 (> (length ov-entity) field-index))
762 (setq field (aref ov-entity field-index))
763 (when (eq field-index 8) ;; xref
764 (setq field (elmo-msgdb-remove-field-string field)))
765 (elmo-message-entity-set-field entity (intern extra) field)))
766 (setq message-id (elmo-message-entity-field entity 'message-id)
767 flags (elmo-flag-table-get flag-table message-id))
768 (elmo-global-flags-set flags folder num message-id)
769 (elmo-msgdb-append-entity new-msgdb entity flags))
770 (setq ov-list (cdr ov-list)))
773 (luna-define-method elmo-folder-msgdb-create ((folder elmo-nntp-folder)
775 (elmo-nntp-folder-msgdb-create folder numbers flag-table))
777 (defun elmo-nntp-folder-msgdb-create (folder numbers flag-table)
778 (let ((filter numbers)
779 (session (elmo-nntp-get-session folder))
780 (new-msgdb (elmo-make-msgdb))
781 beg-num end-num cur length
782 new-msgdb ov-str use-xover dir)
783 (elmo-nntp-select-group session (elmo-nntp-folder-group-internal
785 (when (setq use-xover (elmo-nntp-xover-p session))
786 (setq beg-num (car numbers)
788 end-num (nth (1- (length numbers)) numbers)
789 length (+ (- end-num beg-num) 1))
790 (message "Getting overview...")
791 (while (<= cur end-num)
792 (elmo-nntp-send-command
799 elmo-nntp-overview-fetch-chop-length))))
800 (with-current-buffer (elmo-network-session-buffer session)
804 (elmo-nntp-create-msgdb-from-overview-string
809 (if (null (elmo-nntp-read-response session t))
811 (setq cur end-num);; exit while loop
812 (elmo-nntp-set-xover session nil)
813 (setq use-xover nil))
814 (if (null (setq ov-str (elmo-nntp-read-contents session)))
815 (error "Fetching overview failed")))
816 (setq cur (+ elmo-nntp-overview-fetch-chop-length cur 1))
817 (when (> length elmo-display-progress-threshold)
818 (elmo-display-progress
819 'elmo-nntp-msgdb-create "Getting overview..."
820 (/ (* (+ (- (min cur end-num)
821 beg-num) 1) 100) length))))
822 (when (> length elmo-display-progress-threshold)
823 (elmo-display-progress
824 'elmo-nntp-msgdb-create "Getting overview..." 100)))
826 (setq new-msgdb (elmo-nntp-msgdb-create-by-header
827 session numbers flag-table))
828 (with-current-buffer (elmo-network-session-buffer session)
832 (elmo-nntp-create-msgdb-from-overview-string
837 (elmo-folder-set-killed-list-internal
840 (elmo-folder-killed-list-internal folder)
843 (elmo-msgdb-list-messages new-msgdb)))))
844 ;; If there are canceled messages, overviews are not obtained
845 ;; to max-number(inn 2.3?).
846 (when (and (elmo-nntp-max-number-precedes-list-active-p)
847 (elmo-nntp-list-active-p session))
848 (elmo-nntp-send-command session
849 (format "list active %s"
850 (elmo-nntp-folder-group-internal
852 (if (null (elmo-nntp-read-response session))
854 (elmo-nntp-set-list-active session nil)
855 (error "NNTP list command failed")))
856 (let ((killed (elmo-nntp-catchup-msgdb
858 (nth 1 (read (concat "(" (elmo-nntp-read-contents
861 (elmo-folder-kill-messages folder killed))))
864 (luna-define-method elmo-folder-update-number ((folder elmo-nntp-folder))
865 (when (elmo-nntp-max-number-precedes-list-active-p)
866 (let ((session (elmo-nntp-get-session folder)))
867 (when (elmo-nntp-list-active-p session)
868 (let ((numbers (elmo-folder-list-messages folder nil 'in-msgdb))
869 msgdb-max max-number)
870 ;; If there are canceled messages, overviews are not obtained
871 ;; to max-number(inn 2.3?).
872 (elmo-nntp-select-group session
873 (elmo-nntp-folder-group-internal folder))
874 (elmo-nntp-send-command session
875 (format "list active %s"
876 (elmo-nntp-folder-group-internal
878 (if (null (elmo-nntp-read-response session))
879 (error "NNTP list command failed"))
881 (nth 1 (read (concat "(" (elmo-nntp-read-contents
883 (setq msgdb-max (if numbers (apply #'max numbers) 0))
886 (< msgdb-max max-number))
887 (let ((i (1+ msgdb-max))
889 (while (<= i max-number)
890 (setq killed (cons i killed))
892 (elmo-folder-kill-messages folder (nreverse killed)))))))))
894 (defun elmo-nntp-msgdb-create-by-header (session numbers flag-table)
896 (elmo-nntp-retrieve-headers session (current-buffer) numbers)
897 (elmo-nntp-msgdb-create-message
898 (length numbers) flag-table)))
900 (defun elmo-nntp-parse-xhdr-response (string)
904 (goto-char (point-min))
906 (if (looking-at "^\\([0-9]+\\) \\(.*\\)$")
907 (setq response (cons (cons (string-to-int (elmo-match-buffer 1))
908 (elmo-match-buffer 2))
911 (nreverse response)))
913 (defun elmo-nntp-parse-overview-string (string)
915 (let ((tmp-buffer (get-buffer-create " *ELMO Overview TMP*"))
916 ret-list ret-val beg)
917 (set-buffer tmp-buffer)
919 (set-buffer-multibyte nil)
921 (goto-char (point-min))
925 (setq ret-list (save-match-data
926 (apply 'vector (split-string
927 (buffer-substring beg (point))
932 (setq ret-val (nconc ret-val (list ret-list))))
933 ;;; (kill-buffer tmp-buffer)
936 (defun elmo-nntp-get-newsgroup-by-msgid (msgid server user port type)
937 "Get nntp header string."
939 (let ((session (elmo-nntp-get-session
945 :stream-type type))))
946 (elmo-nntp-send-command session
947 (format "head %s" msgid))
948 (if (elmo-nntp-read-response session)
949 (elmo-nntp-read-contents session))
950 (with-current-buffer (elmo-network-session-buffer session)
951 (std11-field-body "Newsgroups")))))
953 (luna-define-method elmo-message-fetch :around
954 ((folder elmo-nntp-folder) number strategy &optional unread section)
955 (when (luna-call-next-method)
956 (elmo-nntp-setup-crosspost-buffer folder number)
958 (elmo-nntp-folder-update-crosspost-message-alist
959 folder (list number)))
962 (luna-define-method elmo-message-fetch-plugged ((folder elmo-nntp-folder)
964 &optional section outbuf
966 (elmo-nntp-message-fetch folder number strategy section outbuf unread))
968 (defun elmo-nntp-message-fetch (folder number strategy section outbuf unread)
969 (let ((session (elmo-nntp-get-session folder))
971 (with-current-buffer (elmo-network-session-buffer session)
972 (elmo-nntp-select-group session (elmo-nntp-folder-group-internal folder))
973 (elmo-nntp-send-command session (format "article %s" number))
974 (if (null (elmo-nntp-read-response session t))
976 (with-current-buffer outbuf (erase-buffer))
977 (message "Fetching message failed")
979 (prog1 (elmo-nntp-read-body session outbuf)
980 (with-current-buffer outbuf
981 (goto-char (point-min))
982 (while (re-search-forward "^\\." nil t)
985 (elmo-nntp-setup-crosspost-buffer folder number)
987 (elmo-nntp-folder-update-crosspost-message-alist
988 folder (list number)))))))))
990 (defun elmo-nntp-post (hostname content-buf)
991 (let ((session (elmo-nntp-get-session
994 :user elmo-nntp-default-user
996 :port elmo-nntp-default-port
998 (elmo-get-network-stream-type
999 elmo-nntp-default-stream-type))))
1000 response has-message-id)
1002 (set-buffer content-buf)
1003 (goto-char (point-min))
1004 (if (search-forward mail-header-separator nil t)
1005 (delete-region (match-beginning 0)(match-end 0)))
1006 (setq has-message-id (std11-field-body "message-id"))
1007 (elmo-nntp-send-command session "post")
1008 (if (string-match "^340" (setq response
1009 (elmo-nntp-read-raw-response session)))
1010 (if (string-match "recommended ID \\(<[^@]+@[^>]+>\\)" response)
1011 (unless has-message-id
1012 (goto-char (point-min))
1013 (insert (concat "Message-ID: "
1014 (elmo-match-string 1 response)
1016 (error "POST failed"))
1017 (run-hooks 'elmo-nntp-post-pre-hook)
1018 (elmo-nntp-send-buffer session content-buf)
1019 (elmo-nntp-send-command session ".")
1020 ;;; (elmo-nntp-read-response buffer process t)
1021 (if (not (string-match
1022 "^2" (setq response (elmo-nntp-read-raw-response
1024 (error "NNTP error: %s" response)))))
1026 (defsubst elmo-nntp-send-data-line (session line)
1027 "Send LINE to SESSION."
1028 ;; Escape "." at start of a line
1029 (if (eq (string-to-char line) ?.)
1030 (process-send-string (elmo-network-session-process-internal
1032 (process-send-string (elmo-network-session-process-internal
1034 (process-send-string (elmo-network-session-process-internal
1037 (defun elmo-nntp-send-buffer (session databuf)
1038 "Send data content of DATABUF to SESSION."
1039 (let ((data-continue t)
1041 (with-current-buffer databuf
1042 (goto-char (point-min))
1043 (while data-continue
1047 (setq line (buffer-substring bol (point)))
1048 (unless (eq (forward-line 1) 0) (setq data-continue nil))
1049 (elmo-nntp-send-data-line session line)))))
1051 (luna-define-method elmo-folder-delete-messages ((folder elmo-nntp-folder)
1053 (elmo-folder-kill-messages folder numbers)
1056 (luna-define-method elmo-folder-exists-p-plugged ((folder elmo-nntp-folder))
1057 (let ((session (elmo-nntp-get-session folder)))
1058 (elmo-nntp-send-command
1061 (elmo-nntp-folder-group-internal folder)))
1062 (elmo-nntp-read-response session)))
1064 (defun elmo-nntp-retrieve-field (spec field from-msgs)
1065 "Retrieve FIELD values from FROM-MSGS.
1066 Returns a list of cons cells like (NUMBER . VALUE)"
1067 (let ((session (elmo-nntp-get-session spec)))
1068 (if (elmo-nntp-xhdr-p session)
1070 (elmo-nntp-select-group session (elmo-nntp-folder-group-internal spec))
1071 (elmo-nntp-send-command session
1072 (format "xhdr %s %s"
1080 (- (length from-msgs) 1) 0)
1083 (if (elmo-nntp-read-response session t)
1084 (elmo-nntp-parse-xhdr-response
1085 (elmo-nntp-read-contents session))
1086 (elmo-nntp-set-xhdr session nil)
1087 (error "NNTP XHDR command failed"))))))
1089 (defun elmo-nntp-search-primitive (spec condition &optional from-msgs)
1090 (let ((search-key (elmo-filter-key condition)))
1092 ((string= "last" search-key)
1093 (let ((numbers (or from-msgs (elmo-folder-list-messages spec))))
1094 (nthcdr (max (- (length numbers)
1095 (string-to-int (elmo-filter-value condition)))
1098 ((string= "first" search-key)
1099 (let* ((numbers (or from-msgs (elmo-folder-list-messages spec)))
1100 (rest (nthcdr (string-to-int (elmo-filter-value condition) )
1102 (mapcar '(lambda (x) (delete x numbers)) rest)
1104 ((or (string= "since" search-key)
1105 (string= "before" search-key))
1106 (let* ((specified-date (elmo-date-make-sortable-string
1107 (elmo-date-get-datevec (elmo-filter-value
1109 (since (string= "since" search-key))
1111 (if (eq (elmo-filter-type condition) 'unmatch)
1112 (setq since (not since)))
1118 (elmo-date-make-sortable-string
1121 (current-time-zone) nil)))
1123 (or (string= specified-date field-date)
1124 (string< specified-date field-date))
1128 (elmo-nntp-retrieve-field spec "date" from-msgs))))
1130 (elmo-list-filter from-msgs result)
1132 ((string= "body" search-key)
1135 (let ((val (elmo-filter-value condition))
1136 (negative (eq (elmo-filter-type condition) 'unmatch))
1137 (case-fold-search t)
1143 (if (string-match val
1144 (eword-decode-string
1145 (decode-mime-charset-string
1146 (cdr pair) elmo-mime-charset)))
1147 (unless negative (car pair))
1148 (if negative (car pair))))
1149 (elmo-nntp-retrieve-field spec search-key
1152 (elmo-list-filter from-msgs result)
1155 (defun elmo-nntp-search-internal (folder condition from-msgs)
1158 ((vectorp condition)
1159 (setq result (elmo-nntp-search-primitive
1160 folder condition from-msgs)))
1161 ((eq (car condition) 'and)
1162 (setq result (elmo-nntp-search-internal folder
1165 result (elmo-list-filter result
1166 (elmo-nntp-search-internal
1167 folder (nth 2 condition)
1169 ((eq (car condition) 'or)
1170 (setq result (elmo-nntp-search-internal folder
1173 result (elmo-uniq-list
1175 (elmo-nntp-search-internal folder
1178 result (sort result '<))))))
1180 (defun elmo-nntp-use-server-search-p (condition)
1181 (if (vectorp condition)
1182 (not (string= "body" (elmo-filter-key condition)))
1183 (and (elmo-nntp-use-server-search-p (nth 1 condition))
1184 (elmo-nntp-use-server-search-p (nth 2 condition)))))
1186 (luna-define-method elmo-folder-search :around ((folder elmo-nntp-folder)
1187 condition &optional from-msgs)
1188 (if (and (elmo-folder-plugged-p folder)
1189 (elmo-nntp-use-server-search-p condition))
1190 (elmo-nntp-search-internal folder condition from-msgs)
1191 (luna-call-next-method)))
1193 (defun elmo-nntp-get-folders-info-prepare (folder session-keys)
1195 (let ((session (elmo-nntp-get-session folder))
1197 (with-current-buffer (elmo-network-session-buffer session)
1198 (unless (setq key (assoc session session-keys))
1200 (setq key (cons session
1202 (elmo-net-folder-server-internal folder)
1203 (elmo-net-folder-user-internal folder)
1204 (elmo-net-folder-port-internal folder)
1205 (elmo-net-folder-stream-type-internal
1207 (setq session-keys (nconc session-keys (list key))))
1208 (elmo-nntp-send-command session
1210 (elmo-nntp-folder-group-internal
1213 (if elmo-nntp-get-folders-securely
1214 (accept-process-output
1215 (elmo-network-session-process-internal session)
1217 (setq count (aref (cdr key) 0))
1218 (aset (cdr key) 0 (1+ count))))
1220 (when elmo-auto-change-plugged
1225 (defun elmo-nntp-get-folders-info (session-keys)
1226 (let ((sessions session-keys)
1227 (cur (get-buffer-create " *ELMO NNTP Temp*")))
1229 (let* ((session (caar sessions))
1230 (key (cdar sessions))
1231 (count (aref key 0))
1232 (server (aref key 1))
1236 (hashtb (or elmo-newsgroups-hashtb
1237 (setq elmo-newsgroups-hashtb
1238 (elmo-make-hash count)))))
1240 (elmo-nntp-groups-read-response session cur count)
1242 (goto-char (point-min))
1243 (let ((case-replace nil)
1244 (postfix (elmo-nntp-folder-postfix user server port type)))
1245 (if (not (string= postfix ""))
1247 (while (re-search-forward "^\\(211 [0-9]+ [0-9]+ [0-9]+ [^ \n]+\\)\\(.*\\)$" nil t)
1248 (replace-match (concat (match-string 1)
1249 (elmo-replace-in-string
1251 "\\\\" "\\\\\\\\\\\\\\\\")))))))
1252 (let (len min max group)
1255 (when (= (following-char) ?2)
1257 (setq len (read cur)
1260 (set (setq group (let ((obarray hashtb)) (read cur)))
1261 (list len min max)))
1262 (error (and group (symbolp group) (set group nil))))
1264 (setq sessions (cdr sessions))))
1267 ;; original is 'nntp-retrieve-groups [Gnus]
1268 (defun elmo-nntp-groups-read-response (session outbuf count)
1270 (last-point (point-min)))
1271 (with-current-buffer (elmo-network-session-buffer session)
1272 (accept-process-output
1273 (elmo-network-session-process-internal session) 1)
1275 ;; Wait for all replies.
1276 (message "Getting folders info...")
1278 (goto-char last-point)
1280 (while (re-search-forward "^[0-9]" nil t)
1283 (setq last-point (point))
1285 (accept-process-output (elmo-network-session-process-internal session)
1288 (when (> count elmo-display-progress-threshold)
1289 (if (or (zerop (% received 10)) (= received count))
1290 (elmo-display-progress
1291 'elmo-nntp-groups-read-response "Getting folders info..."
1292 (/ (* received 100) count)))))
1293 (when (> count elmo-display-progress-threshold)
1294 (elmo-display-progress
1295 'elmo-nntp-groups-read-response "Getting folders info..." 100))
1296 ;; Wait for the reply from the final command.
1297 (goto-char (point-max))
1298 (re-search-backward "^[0-9]" nil t)
1299 (when (looking-at "^[23]")
1301 (goto-char (point-max))
1302 (not (re-search-backward "\r?\n" (- (point) 3) t)))
1303 (accept-process-output
1304 (elmo-network-session-process-internal session) 1)
1306 ;; Now all replies are received. We remove CRs.
1307 (goto-char (point-min))
1308 (while (search-forward "\r" nil t)
1309 (replace-match "" t t))
1310 (copy-to-buffer outbuf (point-min) (point-max)))))
1312 ;; from nntp.el [Gnus]
1314 (defsubst elmo-nntp-next-result-arrived-p ()
1316 ((eq (following-char) ?2)
1317 (if (re-search-forward "\n\\.\r?\n" nil t)
1320 ((looking-at "[34]")
1321 (if (search-forward "\n" nil t)
1327 (defun elmo-nntp-retrieve-headers (session outbuf articles)
1328 "Retrieve the headers of ARTICLES."
1329 (with-current-buffer (elmo-network-session-buffer session)
1331 (let ((number (length articles))
1334 (last-point (point-min))
1336 ;; Send HEAD commands.
1337 (while (setq article (pop articles))
1338 (elmo-nntp-send-command session
1339 (format "head %s" article)
1341 (setq count (1+ count))
1342 ;; Every 200 requests we have to read the stream in
1343 ;; order to avoid deadlocks.
1344 (when (or (null articles) ;All requests have been sent.
1345 (zerop (% count elmo-nntp-header-fetch-chop-length)))
1346 (accept-process-output
1347 (elmo-network-session-process-internal session) 1)
1350 (goto-char last-point)
1352 (while (elmo-nntp-next-result-arrived-p)
1353 (setq last-point (point))
1354 (setq received (1+ received)))
1356 (when (> number elmo-display-progress-threshold)
1357 (if (or (zerop (% received 20)) (= received number))
1358 (elmo-display-progress
1359 'elmo-nntp-retrieve-headers "Getting headers..."
1360 (/ (* received 100) number))))
1361 (accept-process-output
1362 (elmo-network-session-process-internal session) 1)
1364 (when (> number elmo-display-progress-threshold)
1365 (elmo-display-progress
1366 'elmo-nntp-retrieve-headers "Getting headers..." 100))
1367 (message "Getting headers...done")
1368 ;; Replace all CRLF with LF.
1369 (elmo-delete-cr-buffer)
1370 (copy-to-buffer outbuf (point-min) (point-max)))))
1374 (defun elmo-nntp-msgdb-create-message (len flag-table)
1376 (let ((new-msgdb (elmo-make-msgdb))
1377 beg entity i num message-id)
1378 (set-buffer-multibyte nil)
1379 (goto-char (point-min))
1381 (message "Creating msgdb...")
1383 (setq beg (save-excursion (forward-line 1) (point)))
1385 (and (looking-at "^2[0-9]*[ ]+\\([0-9]+\\)")
1387 (elmo-match-buffer 1))))
1388 (elmo-nntp-next-result-arrived-p)
1393 (narrow-to-region beg (point))
1395 (elmo-msgdb-create-message-entity-from-buffer
1396 (elmo-msgdb-message-entity-handler new-msgdb) num))
1399 (elmo-message-entity-field entity 'message-id))
1400 (elmo-msgdb-append-entity
1403 (elmo-flag-table-get flag-table message-id))))))
1404 (when (> len elmo-display-progress-threshold)
1406 (if (or (zerop (% i 20)) (= i len))
1407 (elmo-display-progress
1408 'elmo-nntp-msgdb-create-message "Creating msgdb..."
1409 (/ (* i 100) len)))))
1410 (when (> len elmo-display-progress-threshold)
1411 (elmo-display-progress
1412 'elmo-nntp-msgdb-create-message "Creating msgdb..." 100))
1415 (luna-define-method elmo-message-use-cache-p ((folder elmo-nntp-folder) number)
1416 elmo-nntp-use-cache)
1418 (defun elmo-nntp-parse-newsgroups (string &optional subscribe-only)
1419 (let ((nglist (elmo-parse string "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)"))
1421 (if (not subscribe-only)
1424 (if (intern-soft ng elmo-newsgroups-hashtb)
1425 (setq ngs (cons ng ngs))))
1428 ;;; Crosspost processing.
1430 ;; 1. setup crosspost alist.
1431 ;; 1.1. When message is fetched and is crossposted message,
1432 ;; it is remembered in `temp-crosses' slot.
1433 ;; temp-crosses slot is a list of cons cell:
1434 ;; (NUMBER . (MESSAGE-ID (LIST-OF-NEWSGROUPS) 'ng))
1435 ;; 1.2. In elmo-folder-close, `temp-crosses' slot is cleared,
1436 ;; 1.3. In elmo-folder-flag-as-read, move crosspost entry
1437 ;; from `temp-crosses' slot to `elmo-crosspost-message-alist'.
1439 ;; 2. process crosspost alist.
1440 ;; 2.1. At elmo-folder-process-crosspost, setup `reads' slot from
1441 ;; `elmo-crosspost-message-alist'.
1442 ;; 2.2. remove crosspost entry for current newsgroup from
1443 ;; `elmo-crosspost-message-alist'.
1444 ;; 2.3. elmo-folder-list-unreads return unread message list according to
1446 ;; (There's a problem that if `elmo-folder-list-unreads'
1447 ;; never executed, crosspost information is thrown away.)
1448 ;; 2.4. In elmo-folder-close, `read' slot is cleared,
1450 (defun elmo-nntp-setup-crosspost-buffer (folder number)
1451 ;; 1.1. When message is fetched and is crossposted message,
1452 ;; it is remembered in `temp-crosses' slot.
1453 ;; temp-crosses slot is a list of cons cell:
1454 ;; (NUMBER . (MESSAGE-ID (LIST-OF-NEWSGROUPS) 'ng))
1455 (let (newsgroups crosspost-newsgroups message-id)
1457 (std11-narrow-to-header)
1458 (setq newsgroups (std11-fetch-field "newsgroups")
1459 message-id (std11-msg-id-string
1460 (car (std11-parse-msg-id-string
1461 (std11-fetch-field "message-id"))))))
1463 (when (setq crosspost-newsgroups
1465 (elmo-nntp-folder-group-internal folder)
1466 (elmo-nntp-parse-newsgroups newsgroups t)))
1467 (unless (assq number
1468 (elmo-nntp-folder-temp-crosses-internal folder))
1469 (elmo-nntp-folder-set-temp-crosses-internal
1471 (cons (cons number (list message-id crosspost-newsgroups 'ng))
1472 (elmo-nntp-folder-temp-crosses-internal folder))))))))
1474 (luna-define-method elmo-folder-close-internal ((folder elmo-nntp-folder))
1475 ;; 1.2. In elmo-folder-close, `temp-crosses' slot is cleared,
1476 (elmo-nntp-folder-set-temp-crosses-internal folder nil)
1477 (elmo-nntp-folder-set-reads-internal folder nil)
1480 (defun elmo-nntp-folder-update-crosspost-message-alist (folder numbers)
1481 ;; 1.3. In elmo-folder-flag-as-read, move crosspost entry
1482 ;; from `temp-crosses' slot to `elmo-crosspost-message-alist'.
1484 (dolist (number numbers)
1485 (when (setq elem (assq number
1486 (elmo-nntp-folder-temp-crosses-internal folder)))
1487 (unless (assoc (cdr (cdr elem)) elmo-crosspost-message-alist)
1488 (setq elmo-crosspost-message-alist
1489 (cons (cdr elem) elmo-crosspost-message-alist)))
1490 (elmo-nntp-folder-set-temp-crosses-internal
1492 (delq elem (elmo-nntp-folder-temp-crosses-internal folder)))))))
1494 (luna-define-method elmo-folder-set-flag :before ((folder elmo-nntp-folder)
1498 (when (eq flag 'read)
1499 (elmo-nntp-folder-update-crosspost-message-alist folder numbers)))
1501 (luna-define-method elmo-folder-unset-flag :before ((folder elmo-nntp-folder)
1505 (when (eq flag 'unread)
1506 (elmo-nntp-folder-update-crosspost-message-alist folder numbers)))
1508 (defsubst elmo-nntp-folder-process-crosspost (folder)
1509 ;; 2.1. At elmo-folder-process-crosspost, setup `reads' slot from
1510 ;; `elmo-crosspost-message-alist'.
1511 ;; 2.2. remove crosspost entry for current newsgroup from
1512 ;; `elmo-crosspost-message-alist'.
1513 (let (cross-deletes reads entity ngs)
1514 (dolist (cross elmo-crosspost-message-alist)
1515 (when (setq entity (elmo-message-entity folder (nth 0 cross)))
1516 (setq reads (cons (elmo-message-entity-number entity) reads)))
1518 (if (setq ngs (delete (elmo-nntp-folder-group-internal folder)
1520 (setcar (cdr cross) ngs)
1521 (setq cross-deletes (cons cross cross-deletes)))
1522 (setq elmo-crosspost-message-alist-modified t)))
1523 (dolist (dele cross-deletes)
1524 (setq elmo-crosspost-message-alist (delq
1526 elmo-crosspost-message-alist)))
1527 (elmo-nntp-folder-set-reads-internal folder reads)))
1529 (luna-define-method elmo-folder-process-crosspost ((folder elmo-nntp-folder))
1530 (elmo-nntp-folder-process-crosspost folder))
1532 (luna-define-method elmo-folder-list-flagged :around ((folder elmo-nntp-folder)
1533 flag &optional in-msgdb)
1534 ;; 2.3. elmo-folder-list-unreads return unread message list according to
1536 (let ((msgs (luna-call-next-method)))
1541 (elmo-living-messages msgs (elmo-nntp-folder-reads-internal folder)))
1542 ;; Should consider read, digest and any flag?
1547 (product-provide (provide 'elmo-nntp) (require 'elmo-version))
1549 ;;; elmo-nntp.el ends here