1 ;;; elmo-nntp.el -- NNTP Interface for ELMO.
3 ;; Copyright 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
6 ;; Keywords: mail, net news
8 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
10 ;; This program 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 ;; This program 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., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
40 (defun-maybe starttls-negotiate (a)))
47 (defvar elmo-nntp-connection-cache nil
48 "Cache of NNTP connection.")
49 ;; buffer local variable
51 (defvar elmo-nntp-list-folders-use-cache 600
52 "*Time to cache of list folders, as the number of seconds.
55 (defvar elmo-nntp-list-folders-cache nil)
56 (defvar elmo-nntp-groups-hashtb nil)
57 (defvar elmo-nntp-groups-async nil)
58 (defvar elmo-nntp-header-fetch-chop-length 200)
60 (defvar elmo-nntp-read-point 0)
62 (defvar elmo-nntp-send-mode-reader t)
64 (defvar elmo-nntp-opened-hook nil)
66 (defvar elmo-nntp-get-folders-securely nil)
68 (defvar elmo-nntp-default-use-xover t)
70 (defvar elmo-nntp-default-use-listgroup t)
72 (defvar elmo-nntp-default-use-list-active t)
74 (defvar elmo-nntp-server-command-alist nil)
77 (defconst elmo-nntp-server-command-index '((xover . 0)
81 (put 'elmo-nntp-setting 'lisp-indent-function 1)
83 (defmacro elmo-nntp-setting (spec &rest body)
84 (` (let* ((type (elmo-nntp-spec-stream-type (, spec)))
85 (port (elmo-nntp-spec-port (, spec)))
86 (user (elmo-nntp-spec-username (, spec)))
87 (server (elmo-nntp-spec-hostname (, spec)))
88 (folder (elmo-nntp-spec-group (, spec)))
89 (connection (elmo-nntp-get-connection server user port type))
90 (buffer (car connection))
91 (process (cadr connection)))
94 (defmacro elmo-nntp-get-server-command (server port)
95 (` (assoc (cons (, server) (, port)) elmo-nntp-server-command-alist)))
97 (defmacro elmo-nntp-set-server-command (server port com value)
99 (unless (setq entry (cdr (elmo-nntp-get-server-command
100 (, server) (, port))))
101 (setq elmo-nntp-server-command-alist
102 (nconc elmo-nntp-server-command-alist
103 (list (cons (cons (, server) (, port))
106 elmo-nntp-default-use-xover
107 elmo-nntp-default-use-listgroup
108 elmo-nntp-default-use-list-active))
111 (cdr (assq (, com) elmo-nntp-server-command-index))
114 (defmacro elmo-nntp-xover-p (server port)
115 (` (let ((entry (elmo-nntp-get-server-command (, server) (, port))))
118 (cdr (assq 'xover elmo-nntp-server-command-index)))
119 elmo-nntp-default-use-xover))))
121 (defmacro elmo-nntp-set-xover (server port value)
122 (` (elmo-nntp-set-server-command (, server) (, port) 'xover (, value))))
124 (defmacro elmo-nntp-listgroup-p (server port)
125 (` (let ((entry (elmo-nntp-get-server-command (, server) (, port))))
128 (cdr (assq 'listgroup elmo-nntp-server-command-index)))
129 elmo-nntp-default-use-listgroup))))
131 (defmacro elmo-nntp-set-listgroup (server port value)
132 (` (elmo-nntp-set-server-command (, server) (, port) 'listgroup (, value))))
134 (defmacro elmo-nntp-list-active-p (server port)
135 (` (let ((entry (elmo-nntp-get-server-command (, server) (, port))))
138 (cdr (assq 'list-active elmo-nntp-server-command-index)))
139 elmo-nntp-default-use-list-active))))
141 (defmacro elmo-nntp-set-list-active (server port value)
142 (` (elmo-nntp-set-server-command (, server) (, port) 'list-active (, value))))
144 (defsubst elmo-nntp-max-number-precedes-list-active-p ()
145 elmo-nntp-max-number-precedes-list-active)
147 (defsubst elmo-nntp-folder-postfix (user server port type)
149 (and user (concat ":" user))
151 (null (string= server elmo-default-nntp-server)))
154 (null (eq port elmo-default-nntp-port)))
155 (concat ":" (if (numberp port)
156 (int-to-string port) port)))
157 (unless (eq (elmo-network-stream-type-symbol type)
158 elmo-default-nntp-stream-type)
159 (elmo-network-stream-type-spec-string type))))
161 (defun elmo-nntp-flush-connection ()
163 (let ((cache elmo-nntp-connection-cache)
166 (setq buffer (car (cdr (car cache))))
167 (if buffer (kill-buffer buffer))
168 (setq process (car (cdr (cdr (car cache)))))
169 (if process (delete-process process))
170 (setq cache (cdr cache)))
171 (setq elmo-nntp-connection-cache nil)))
173 (defun elmo-nntp-get-connection (server user port type)
174 "Return opened NNTP connection to SERVER on PORT for USER."
175 (let* ((user-at-host (format "%s@%s" user server))
176 (user-at-host-on-port (concat
177 user-at-host ":" (int-to-string port)
178 (elmo-network-stream-type-spec-string type)))
179 entry connection result buffer process proc-stat)
180 (if (not (elmo-plugged-p server port))
182 (setq entry (assoc user-at-host-on-port elmo-nntp-connection-cache))
184 (memq (setq proc-stat
185 (process-status (cadr (cdr entry))))
187 ;; connection is closed...
188 (let ((buffer (car (cdr entry))))
189 (if buffer (kill-buffer buffer))
190 (setq elmo-nntp-connection-cache
191 (delq entry elmo-nntp-connection-cache))
195 (setq result (elmo-nntp-open-connection server user port type))
197 (error "Connection failed"))
198 (setq buffer (car result))
199 (setq process (cdr result))
200 ;; add a new entry to the top of the cache.
201 (setq elmo-nntp-connection-cache
203 (cons user-at-host-on-port
204 (setq connection (list buffer process nil)))
205 elmo-nntp-connection-cache))
208 (defun elmo-nntp-process-filter (process output)
210 (set-buffer (process-buffer process))
211 (goto-char (point-max))
214 (defun elmo-nntp-read-response (buffer process &optional not-command)
217 (let ((case-fold-search nil)
218 (response-string nil)
219 (response-continue t)
222 (while response-continue
223 (goto-char elmo-nntp-read-point)
224 (while (not (search-forward "\r\n" nil t))
225 (accept-process-output process)
226 (goto-char elmo-nntp-read-point))
228 (setq match-end (point))
229 (setq response-string
230 (buffer-substring elmo-nntp-read-point (- match-end 2)))
231 (goto-char elmo-nntp-read-point)
232 (if (looking-at "[23][0-9]+ .*$")
233 (progn (setq response-continue nil)
234 (setq elmo-nntp-read-point match-end)
237 (concat return-value "\n" response-string)
239 (if (looking-at "[^23][0-9]+ .*$")
240 (progn (setq response-continue nil)
241 (setq elmo-nntp-read-point match-end)
242 (setq return-value nil))
243 (setq elmo-nntp-read-point match-end)
245 (setq response-continue nil))
248 (concat return-value "\n" response-string)
250 (setq elmo-nntp-read-point match-end)))
253 (defun elmo-nntp-read-raw-response (buffer process)
256 (let ((case-fold-search nil))
257 (goto-char elmo-nntp-read-point)
258 (while (not (search-forward "\r\n" nil t))
259 (accept-process-output process)
260 (goto-char elmo-nntp-read-point))
261 (buffer-substring elmo-nntp-read-point (- (point) 2)))))
263 (defun elmo-nntp-read-contents (buffer process)
266 (let ((case-fold-search nil)
268 (goto-char elmo-nntp-read-point)
269 (while (not (re-search-forward "^\\.\r\n" nil t))
270 (accept-process-output process)
271 (goto-char elmo-nntp-read-point))
272 (setq match-end (point))
274 (buffer-substring elmo-nntp-read-point
277 (defun elmo-nntp-read-body (buffer process outbuf)
278 (with-current-buffer buffer
279 (let ((start elmo-nntp-read-point)
282 (while (not (re-search-forward "^\\.\r\n" nil t))
283 (accept-process-output process)
286 (with-current-buffer outbuf
288 (insert-buffer-substring buffer start (- end 3))
289 (elmo-delete-cr-get-content-type)))))
291 (defun elmo-nntp-goto-folder (server folder user port type)
292 (let* ((connection (elmo-nntp-get-connection server user port type))
293 (buffer (car connection))
294 (process (cadr connection))
295 (cwf (caddr connection)))
298 (if (not (string= cwf folder))
300 (elmo-nntp-send-command buffer
302 (format "group %s" folder))
303 (if (elmo-nntp-read-response buffer process)
304 (setcar (cddr connection) folder)))
309 (defun elmo-nntp-list-folders-get-cache (folder buf)
310 (when (and elmo-nntp-list-folders-use-cache
311 elmo-nntp-list-folders-cache
312 (string-match (concat "^"
315 (nth 1 elmo-nntp-list-folders-cache)
318 (let* ((cache-time (car elmo-nntp-list-folders-cache)))
319 (unless (elmo-time-expire cache-time
320 elmo-nntp-list-folders-use-cache)
324 (insert (nth 2 elmo-nntp-list-folders-cache))
325 (goto-char (point-min))
327 (keep-lines (concat "^" (regexp-quote folder) "\\.")))
331 (defsubst elmo-nntp-catchup-msgdb (msgdb max-number)
332 (let (msgdb-max number-alist)
333 (setq number-alist (elmo-msgdb-get-number-alist msgdb))
334 (setq msgdb-max (car (nth (max (- (length number-alist) 1) 0)
336 (if (or (not msgdb-max)
337 (and msgdb-max max-number
338 (< msgdb-max max-number)))
339 (elmo-msgdb-set-number-alist
341 (nconc number-alist (list (cons max-number nil)))))))
343 (defun elmo-nntp-list-folders (spec &optional hierarchy)
344 (elmo-nntp-setting spec
345 (let* ((cwf (caddr connection))
346 (tmp-buffer (get-buffer-create " *ELMO NNTP list folders TMP*"))
347 response ret-val top-ng append-serv use-list-active start)
349 (set-buffer tmp-buffer)
351 (elmo-nntp-goto-folder server folder user port type))
352 (setq ret-val (list folder))) ;; add top newsgroups
353 (unless (setq response (elmo-nntp-list-folders-get-cache
355 (when (setq use-list-active (elmo-nntp-list-active-p server port))
356 (elmo-nntp-send-command buffer
360 (null (string= folder "")))
362 (format " %s.*" folder) ""))))
363 (if (elmo-nntp-read-response buffer process t)
364 (if (null (setq response (elmo-nntp-read-contents
366 (error "NNTP List folders failed")
367 (when elmo-nntp-list-folders-use-cache
368 (setq elmo-nntp-list-folders-cache
369 (list (current-time) folder response)))
372 (elmo-nntp-set-list-active server port nil)
373 (setq use-list-active nil)))
374 (when (null use-list-active)
375 (elmo-nntp-send-command buffer process "list")
376 (if (null (and (elmo-nntp-read-response buffer process t)
377 (setq response (elmo-nntp-read-contents
379 (error "NNTP List folders failed"))
380 (when elmo-nntp-list-folders-use-cache
381 (setq elmo-nntp-list-folders-cache
382 (list (current-time) nil response)))
385 (while (string-match (concat "^"
387 (or folder "")) ".*$")
389 (insert (match-string 0 response) "\n")
390 (setq start (match-end 0)))))
391 (goto-char (point-min))
392 (let ((len (count-lines (point-min) (point-max)))
397 (format "^\\(%s[^. ]+\\)\\([. ]\\).*\n"
398 (if folder (concat folder "\\.") "")))
399 (while (looking-at regexp)
400 (setq top-ng (elmo-match-buffer 1))
401 (if (string= (elmo-match-buffer 2) " ")
402 (if (not (or (member top-ng ret-val)
403 (assoc top-ng ret-val)))
404 (setq ret-val (nconc ret-val (list top-ng))))
405 (if (member top-ng ret-val)
406 (setq ret-val (delete top-ng ret-val)))
407 (if (not (assoc top-ng ret-val))
408 (setq ret-val (nconc ret-val (list (list top-ng))))))
409 (when (> len elmo-display-progress-threshold)
411 (if (or (zerop (% i 10)) (= i len))
412 (elmo-display-progress
413 'elmo-nntp-list-folders "Parsing active..."
417 (while (re-search-forward "\\([^ ]+\\) .*\n" nil t)
418 (setq ret-val (nconc ret-val
419 (list (elmo-match-buffer 1))))
420 (when (> len elmo-display-progress-threshold)
422 (if (or (zerop (% i 10)) (= i len))
423 (elmo-display-progress
424 'elmo-nntp-list-folders "Parsing active..."
425 (/ (* i 100) len))))))
426 (when (> len elmo-display-progress-threshold)
427 (elmo-display-progress
428 'elmo-nntp-list-folders "Parsing active..." 100)))
429 (kill-buffer tmp-buffer)
430 (unless (string= server elmo-default-nntp-server)
431 (setq append-serv (concat "@" server)))
432 (unless (eq port elmo-default-nntp-port)
433 (setq append-serv (concat append-serv ":" (int-to-string port))))
434 (unless (eq (elmo-network-stream-type-symbol type)
435 elmo-default-nntp-stream-type)
438 (elmo-network-stream-type-spec-string type))))
439 (mapcar '(lambda (fld)
441 (list (concat "-" (car fld)
445 (concat append-serv))))
450 (concat append-serv)))))
453 (defun elmo-nntp-make-msglist (beg-str end-str)
455 (let ((beg-num (string-to-int beg-str))
456 (end-num (string-to-int end-str))
460 (while (<= i end-num)
461 (insert (format "%s " i))
464 (goto-char (point-min))
465 (read (current-buffer)))))
467 (defun elmo-nntp-list-folder (spec)
468 (elmo-nntp-setting spec
469 (let* ((server (format "%s" server)) ;; delete text property
470 (killed (and elmo-use-killed-list
471 (elmo-msgdb-killed-list-load
472 (elmo-msgdb-expand-path nil spec))))
473 response numbers use-listgroup)
475 (when (setq use-listgroup (elmo-nntp-listgroup-p server port))
476 (elmo-nntp-send-command buffer
478 (format "listgroup %s" folder))
479 (if (not (elmo-nntp-read-response buffer process t))
481 (elmo-nntp-set-listgroup server port nil)
482 (setq use-listgroup nil))
483 (if (null (setq response (elmo-nntp-read-contents buffer process)))
484 (error "Fetching listgroup failed"))
485 (setq numbers (elmo-string-to-list response))))
486 (unless use-listgroup
487 (elmo-nntp-send-command buffer
489 (format "group %s" folder))
490 (if (null (setq response (elmo-nntp-read-response buffer process)))
491 (error "Select folder failed"))
492 (setcar (cddr connection) folder)
495 "211 \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) [^.].+$"
497 (> (string-to-int (elmo-match-string 1 response)) 0))
498 (setq numbers (elmo-nntp-make-msglist
499 (elmo-match-string 2 response)
500 (elmo-match-string 3 response)))))
503 (mapcar (lambda (number)
504 (unless (memq number killed) number))
508 (defun elmo-nntp-max-of-folder (spec)
509 (let* ((port (elmo-nntp-spec-port spec))
510 (user (elmo-nntp-spec-username spec))
511 (server (elmo-nntp-spec-hostname spec))
512 (type (elmo-nntp-spec-stream-type spec))
513 (folder (elmo-nntp-spec-group spec))
514 (dir (elmo-msgdb-expand-path nil spec))
515 (killed-list (and elmo-use-killed-list
516 (elmo-msgdb-killed-list-load dir)))
517 number-alist end-num)
518 (if elmo-nntp-groups-async
519 (let* ((fld (concat folder
520 (elmo-nntp-folder-postfix user server port type)))
521 (entry (elmo-get-hash-val fld elmo-nntp-groups-hashtb)))
524 (setq end-num (nth 2 entry))
525 (when (and killed-list elmo-use-killed-list)
526 (setq killed-list (nreverse (sort killed-list '<)))
528 ;; XXX biggest number in server is killed,
529 ;; so max number is unknown (treated as no unsync).
530 ((eq end-num (car killed-list))
532 ;; killed number is obsolete.
533 ((< end-num (car killed-list))
535 (when (>= end-num (car killed-list))
536 (elmo-msgdb-killed-list-save dir killed-list)
537 (setq killed-list nil))
538 (setq killed-list (cdr killed-list))))))
539 (cons end-num (car entry)))
540 (error "No such newsgroup \"%s\"" fld)))
541 (let* ((connection (elmo-nntp-get-connection server user port type))
542 (buffer (car connection))
543 (process (cadr connection))
546 (error "Connection failed"))
548 (elmo-nntp-send-command buffer
550 (format "group %s" folder))
551 (setq response (elmo-nntp-read-response buffer process))
554 "211 \\([0-9]+\\) \\([0-9]+\\) \\([0-9]+\\) [^.].+$"
557 (setq end-num (string-to-int
558 (elmo-match-string 3 response)))
559 (setq e-num (string-to-int
560 (elmo-match-string 1 response)))
561 (when (and killed-list elmo-use-killed-list)
562 (setq killed-list (nreverse (sort killed-list '<)))
564 ;; XXX biggest number in server is killed,
565 ;; so max number is unknown (treated as no unsync).
566 ((eq end-num (car killed-list))
568 ;; killed number is obsolete.
569 ((< end-num (car killed-list))
571 (when (>= end-num (car killed-list))
572 (elmo-msgdb-killed-list-save dir killed-list)
573 (setq killed-list nil))
574 (setq killed-list (cdr killed-list))))))
575 (cons end-num e-num))
577 (error "Selecting newsgroup \"%s\" failed" folder)
580 (defconst elmo-nntp-overview-index
591 (defun elmo-nntp-create-msgdb-from-overview-string (str
599 (let (ov-list gmark message-id seen
600 ov-entity overview number-alist mark-alist num
601 extras extra ext field field-index)
602 (setq ov-list (elmo-nntp-parse-overview-string str))
604 (setq ov-entity (car ov-list))
606 ; (if (or (> (setq num (string-to-int (aref ov-entity 0)))
610 ; (setq num (int-to-string num))
611 (setq num (string-to-int (aref ov-entity 0)))
612 (when (or (null numlist)
614 (setq extras elmo-msgdb-extra-fields
617 (setq ext (downcase (car extras)))
618 (when (setq field-index (cdr (assoc ext elmo-nntp-overview-index)))
619 (setq field (aref ov-entity field-index))
620 (when (eq field-index 8) ;; xref
621 (setq field (elmo-msgdb-remove-field-string field)))
622 (setq extra (cons (cons ext field) extra)))
623 (setq extras (cdr extras)))
625 (elmo-msgdb-append-element
627 (cons (aref ov-entity 4)
629 (elmo-msgdb-get-last-message-id
632 (elmo-mime-string (elmo-delete-char
638 (elmo-mime-string (or (aref ov-entity 1)
640 (aref ov-entity 3) ;date
644 (aref ov-entity 6)) ; size
645 extra ; extra-field-list
648 (elmo-msgdb-number-add number-alist num
650 (setq message-id (aref ov-entity 4))
651 (setq seen (member message-id seen-list))
652 (if (setq gmark (or (elmo-msgdb-global-mark-get message-id)
653 (if (elmo-cache-exists-p message-id);; XXX
658 (if elmo-nntp-use-cache
662 (elmo-msgdb-mark-append mark-alist
664 (setq ov-list (cdr ov-list)))
665 (list overview number-alist mark-alist)))
667 (defun elmo-nntp-msgdb-create-as-numlist (spec numlist new-mark already-mark
668 seen-mark important-mark
670 "Create msgdb for SPEC for NUMLIST."
671 (elmo-nntp-msgdb-create spec numlist new-mark already-mark
672 seen-mark important-mark seen-list
675 (defun elmo-nntp-msgdb-create (spec numlist new-mark already-mark
676 seen-mark important-mark
677 seen-list &optional as-num)
680 (elmo-nntp-setting spec
681 (let* ((cwf (caddr connection))
683 ;(filter (and as-num numlist))
684 beg-num end-num cur length
685 ret-val ov-str use-xover dir)
687 (not (string= cwf folder))
688 (null (elmo-nntp-goto-folder server folder user port type)))
689 (error "group %s not found" folder))
690 (when (setq use-xover (elmo-nntp-xover-p server port))
691 (setq beg-num (car numlist)
693 end-num (nth (1- (length numlist)) numlist)
694 length (+ (- end-num beg-num) 1))
695 (message "Getting overview...")
696 (while (<= cur end-num)
697 (elmo-nntp-send-command buffer process
703 elmo-nntp-overview-fetch-chop-length))))
704 (with-current-buffer buffer
709 (elmo-nntp-create-msgdb-from-overview-string
719 (if (null (elmo-nntp-read-response buffer process t))
721 (setq cur end-num);; exit while loop
722 (elmo-nntp-set-xover server port nil)
723 (setq use-xover nil))
724 (if (null (setq ov-str (elmo-nntp-read-contents buffer process)))
725 (error "Fetching overview failed")))
726 (setq cur (+ elmo-nntp-overview-fetch-chop-length cur 1))
727 (when (> length elmo-display-progress-threshold)
728 (elmo-display-progress
729 'elmo-nntp-msgdb-create "Getting overview..."
730 (/ (* (+ (- (min cur end-num)
731 beg-num) 1) 100) length))))
732 (when (> length elmo-display-progress-threshold)
733 (elmo-display-progress
734 'elmo-nntp-msgdb-create "Getting overview..." 100)))
736 (setq ret-val (elmo-nntp-msgdb-create-by-header
737 folder buffer process numlist
738 new-mark already-mark seen-mark seen-list))
739 (with-current-buffer buffer
744 (elmo-nntp-create-msgdb-from-overview-string
753 (when elmo-use-killed-list
754 (setq dir (elmo-msgdb-expand-path nil spec))
755 (elmo-msgdb-killed-list-save
758 (elmo-msgdb-killed-list-load dir)
762 (elmo-msgdb-get-number-alist
764 ;; If there are canceled messages, overviews are not obtained
765 ;; to max-number(inn 2.3?).
766 (when (and (elmo-nntp-max-number-precedes-list-active-p)
767 (elmo-nntp-list-active-p server port))
768 (elmo-nntp-send-command buffer process
769 (format "list active %s" folder))
770 (if (null (elmo-nntp-read-response buffer process))
772 (elmo-nntp-set-list-active server port nil)
773 (error "NNTP list command failed")))
774 (elmo-nntp-catchup-msgdb
776 (nth 1 (read (concat "(" (elmo-nntp-read-contents
777 buffer process) ")")))))
780 (defun elmo-nntp-sync-number-alist (spec number-alist)
781 (if (elmo-nntp-max-number-precedes-list-active-p)
782 (elmo-nntp-setting spec
783 (if (elmo-nntp-list-active-p server port)
784 (let* ((cwf (caddr connection))
785 msgdb-max max-number)
786 ;; If there are canceled messages, overviews are not obtained
787 ;; to max-number(inn 2.3?).
789 (not (string= cwf folder))
790 (null (elmo-nntp-goto-folder
791 server folder user port type)))
792 (error "group %s not found" folder))
793 (elmo-nntp-send-command buffer process
794 (format "list active %s" folder))
795 (if (null (elmo-nntp-read-response buffer process))
796 (error "NNTP list command failed"))
798 (nth 1 (read (concat "(" (elmo-nntp-read-contents
799 buffer process) ")"))))
801 (car (nth (max (- (length number-alist) 1) 0)
803 (if (or (and number-alist (not msgdb-max))
804 (and msgdb-max max-number
805 (< msgdb-max max-number)))
807 (list (cons max-number nil)))
811 (defun elmo-nntp-msgdb-create-by-header (folder buffer process numlist
812 new-mark already-mark
814 (let ((tmp-buffer (get-buffer-create " *ELMO Overview TMP*"))
816 (elmo-nntp-retrieve-headers
817 buffer tmp-buffer process numlist)
819 (elmo-nntp-msgdb-create-message
820 tmp-buffer (length numlist) folder new-mark already-mark
821 seen-mark seen-list))
822 (kill-buffer tmp-buffer)
825 (defun elmo-nntp-parse-overview-string (string)
827 (let ((tmp-buffer (get-buffer-create " *ELMO Overview TMP*"))
828 ret-list ret-val beg)
829 (set-buffer tmp-buffer)
831 (elmo-set-buffer-multibyte nil)
833 (goto-char (point-min))
837 (setq ret-list (save-match-data
838 (apply 'vector (split-string
839 (buffer-substring beg (point))
844 (setq ret-val (nconc ret-val (list ret-list))))
845 ; (kill-buffer tmp-buffer)
848 (defun elmo-nntp-get-overview (server beg end folder user port type)
850 (let* ((connection (elmo-nntp-get-connection server user port type))
851 (buffer (car connection))
852 (process (cadr connection))
853 ; (cwf (caddr connection))
854 response errmsg ov-str)
857 (if (null (elmo-nntp-goto-folder server folder user port type))
859 (setq errmsg (format "group %s not found." folder))
861 (elmo-nntp-send-command buffer process
862 (format "xover %s-%s" beg end))
863 (if (null (setq response (elmo-nntp-read-response
866 (setq errmsg "Getting overview failed.")
868 (if (null (setq response (elmo-nntp-read-contents
871 ;(setq errmsg "Fetching header failed")
873 (setq ov-str response)
882 (defun elmo-nntp-get-message (server user number folder outbuf port type)
883 "Get nntp message on FOLDER at SERVER.
884 Returns message string."
886 (let* ((connection (elmo-nntp-get-connection server user port type))
887 (buffer (car connection))
888 (process (cadr connection))
889 (cwf (caddr connection))
893 (not (string= cwf folder)))
894 (if (null (elmo-nntp-goto-folder server folder user port type))
896 (setq errmsg (format "group %s not found." folder))
898 (elmo-nntp-send-command buffer process
899 (format "article %s" number))
900 (if (null (setq response (elmo-nntp-read-response
903 (setq errmsg "Fetching message failed")
908 (setq response (elmo-nntp-read-body buffer process outbuf))
910 (goto-char (point-min))
911 (while (re-search-forward "^\\." nil t)
921 (defun elmo-nntp-get-newsgroup-by-msgid (msgid server user port type)
922 "Get nntp header string."
924 (let* ((connection (elmo-nntp-get-connection server user port type))
925 (buffer (car connection))
926 (process (cadr connection)))
927 (elmo-nntp-send-command buffer process
928 (format "head %s" msgid))
929 (if (elmo-nntp-read-response buffer process)
930 (elmo-nntp-read-contents buffer process))
932 (std11-field-body "Newsgroups"))))
934 (defun elmo-nntp-open-connection (server user portnum type)
935 "Open NNTP connection to SERVER on PORTNUM for USER.
936 Return a cons cell of (session-buffer . process).
937 Return nil if connection failed."
941 elmo-default-nntp-port))
942 (user-at-host (format "%s@%s" user server))
947 (get-buffer-create (format " *NNTP session to %s:%d" host port)))
949 (set-buffer process-buffer)
950 (elmo-set-buffer-multibyte nil)
953 (elmo-open-network-stream "NNTP" process-buffer host port type))
954 (and (null process) (throw 'done nil))
955 (set-process-filter process 'elmo-nntp-process-filter)
956 ;; flush connections when exiting...?
957 ;; (add-hook 'kill-emacs-hook 'elmo-nntp-flush-connection)
959 (set-buffer process-buffer)
960 (elmo-set-buffer-multibyte nil)
961 (make-local-variable 'elmo-nntp-read-point)
962 (setq elmo-nntp-read-point (point-min))
963 (if (null (elmo-nntp-read-response process-buffer process t))
965 (if elmo-nntp-send-mode-reader
966 (elmo-nntp-send-mode-reader process-buffer process))
968 (if (eq (elmo-network-stream-type-symbol type) 'starttls)
970 (elmo-nntp-send-command process-buffer process "starttls")
971 (elmo-nntp-read-response process-buffer process))
972 (starttls-negotiate process)
973 (error "STARTTLS aborted")))
976 (elmo-nntp-send-command process-buffer process
977 (format "authinfo user %s" user))
978 (if (null (elmo-nntp-read-response process-buffer process))
979 (error "Authinfo failed"))
980 (elmo-nntp-send-command process-buffer process
981 (format "authinfo pass %s"
982 (elmo-get-passwd user-at-host)))
983 (if (null (elmo-nntp-read-response process-buffer process))
985 (elmo-remove-passwd user-at-host)
986 (error "Authinfo failed")))))
987 (run-hooks 'elmo-nntp-opened-hook)) ; XXX
988 (cons process-buffer process)))))
990 (defun elmo-nntp-send-mode-reader (buffer process)
991 (elmo-nntp-send-command buffer
994 (if (null (elmo-nntp-read-response buffer process t))
995 (error "mode reader failed")))
997 (defun elmo-nntp-send-command (buffer process command &optional noerase)
998 "Send COMMAND string to server with sequence number."
1003 (goto-char (point-min)))
1004 (setq elmo-nntp-read-point (point))
1005 (process-send-string process command)
1006 (process-send-string process "\r\n")))
1008 (defun elmo-nntp-read-msg (spec msg outbuf)
1009 (elmo-nntp-get-message (elmo-nntp-spec-hostname spec)
1010 (elmo-nntp-spec-username spec)
1012 (elmo-nntp-spec-group spec)
1014 (elmo-nntp-spec-port spec)
1015 (elmo-nntp-spec-stream-type spec)))
1017 ;(defun elmo-msgdb-nntp-overview-create-range (spec beg end mark)
1018 ; (elmo-nntp-overview-create-range hostname beg end mark folder)))
1020 ;(defun elmo-msgdb-nntp-max-of-folder (spec)
1021 ; (elmo-nntp-max-of-folder hostname folder)))
1023 (defun elmo-nntp-append-msg (spec string &optional msg no-see))
1025 (defun elmo-nntp-post (hostname content-buf)
1026 (let* (;(folder (nth 1 spec))
1028 (elmo-nntp-get-connection
1030 elmo-default-nntp-user
1031 elmo-default-nntp-port elmo-default-nntp-stream-type))
1032 (buffer (car connection))
1033 (process (cadr connection))
1034 response has-message-id
1037 (set-buffer content-buf)
1038 (goto-char (point-min))
1039 (if (search-forward mail-header-separator nil t)
1040 (delete-region (match-beginning 0)(match-end 0)))
1041 (setq has-message-id (std11-field-body "message-id"))
1042 (elmo-nntp-send-command buffer process "post")
1043 (if (string-match "^340" (setq response
1044 (elmo-nntp-read-raw-response
1046 (if (string-match "recommended ID \\(<[^@]+@[^>]+>\\)" response)
1047 (unless has-message-id
1048 (goto-char (point-min))
1049 (insert (concat "Message-ID: "
1050 (elmo-match-string 1 response)
1052 (error "POST failed"))
1054 (run-hooks 'elmo-nntp-post-pre-hook)
1056 (elmo-nntp-send-data process content-buf)
1057 (elmo-nntp-send-command buffer process ".")
1058 ;(elmo-nntp-read-response buffer process t)
1059 (if (not (string-match
1060 "^2" (setq response (elmo-nntp-read-raw-response
1062 (error (concat "NNTP error: " response))))))
1064 (defun elmo-nntp-send-data-line (process data)
1065 (goto-char (point-max))
1067 ;; Escape "." at start of a line
1068 (if (eq (string-to-char data) ?.)
1069 (process-send-string process "."))
1070 (process-send-string process data)
1071 (process-send-string process "\r\n"))
1073 (defun elmo-nntp-send-data (process buffer)
1081 (goto-char (point-min)))
1083 (while data-continue
1087 (setq this-line (point))
1089 (setq this-line-end (point))
1090 (setq sending-data nil)
1091 (setq sending-data (buffer-substring this-line this-line-end))
1092 (if (/= (forward-line 1) 0)
1093 (setq data-continue nil)))
1095 (elmo-nntp-send-data-line process sending-data))))
1097 (defun elmo-nntp-delete-msgs (spec msgs)
1098 "MSGS on FOLDER at SERVER pretended as Deleted. Returns nil if failed."
1099 (if elmo-use-killed-list
1100 (let* ((dir (elmo-msgdb-expand-path nil spec))
1101 (killed-list (elmo-msgdb-killed-list-load dir)))
1102 (mapcar '(lambda (msg)
1104 (elmo-msgdb-set-as-killed killed-list msg)))
1106 (elmo-msgdb-killed-list-save dir killed-list)))
1109 (defun elmo-nntp-check-validity (spec validity-file)
1111 (defun elmo-nntp-sync-validity (spec validity-file)
1114 (defun elmo-nntp-folder-exists-p (spec)
1115 (if (elmo-nntp-plugged-p spec)
1116 (elmo-nntp-setting spec
1117 (elmo-nntp-send-command buffer
1119 (format "group %s" folder))
1120 (elmo-nntp-read-response buffer process))
1123 (defun elmo-nntp-folder-creatable-p (spec)
1126 (defun elmo-nntp-create-folder (spec)
1129 (defun elmo-nntp-search (spec condition &optional from-msgs)
1130 (error "Search by %s for %s is not implemented yet." condition (car spec))
1133 (defun elmo-nntp-get-folders-info-prepare (spec connection-keys)
1135 (elmo-nntp-setting spec
1139 (unless (setq key (assoc (cons buffer process) connection-keys))
1141 (setq key (cons (cons buffer process)
1142 (vector 0 server user port type)))
1143 (setq connection-keys (nconc connection-keys (list key))))
1144 (elmo-nntp-send-command buffer
1146 (format "group %s" folder)
1147 t ;; don't erase-buffer
1149 (if elmo-nntp-get-folders-securely
1150 (accept-process-output process 1))
1151 (setq count (aref (cdr key) 0))
1152 (aset (cdr key) 0 (1+ count)))))
1154 (when elmo-auto-change-plugged
1159 (defun elmo-nntp-get-folders-info (connection-keys)
1160 (let ((connections connection-keys)
1161 (cur (get-buffer-create " *ELMO NNTP Temp*")))
1163 (let* ((connect (caar connections))
1164 (key (cdar connections))
1165 (buffer (car connect))
1166 (process (cdr connect))
1167 (count (aref key 0))
1168 (server (aref key 1))
1172 (hashtb (or elmo-nntp-groups-hashtb
1173 (setq elmo-nntp-groups-hashtb
1174 (elmo-make-hash count)))))
1176 (elmo-nntp-groups-read-response buffer cur process count)
1178 (goto-char (point-min))
1179 (let ((case-replace nil)
1180 (postfix (elmo-nntp-folder-postfix user server port type)))
1181 (if (not (string= postfix ""))
1183 (replace-regexp "^\\(211 [0-9]+ [0-9]+ [0-9]+ [^ \n]+\\).*$"
1184 (concat "\\1" postfix)))))
1185 (let (len min max group)
1188 (when (= (following-char) ?2)
1190 (setq len (read cur)
1193 (set (setq group (let ((obarray hashtb)) (read cur)))
1194 (list len min max)))
1195 (error (and group (symbolp group) (set group nil))))
1197 (setq connections (cdr connections))))
1200 ;; original is 'nntp-retrieve-groups [Gnus]
1201 (defun elmo-nntp-groups-read-response (buffer tobuffer process count)
1203 (last-point (point-min)))
1206 (accept-process-output process 1)
1208 ;; Wait for all replies.
1209 (message "Getting folders info...")
1211 (goto-char last-point)
1213 (while (re-search-forward "^[0-9]" nil t)
1216 (setq last-point (point))
1218 (accept-process-output process 1)
1220 (when (> count elmo-display-progress-threshold)
1221 (if (or (zerop (% received 10)) (= received count))
1222 (elmo-display-progress
1223 'elmo-nntp-groups-read-response "Getting folders info..."
1224 (/ (* received 100) count)))))
1225 (when (> count elmo-display-progress-threshold)
1226 (elmo-display-progress
1227 'elmo-nntp-groups-read-response "Getting folders info..." 100))
1228 ;; Wait for the reply from the final command.
1229 (goto-char (point-max))
1230 (re-search-backward "^[0-9]" nil t)
1231 (when (looking-at "^[23]")
1233 (goto-char (point-max))
1234 (not (re-search-backward "\r?\n" (- (point) 3) t)))
1235 (accept-process-output process 1)
1237 ;; Now all replies are received. We remove CRs.
1238 (goto-char (point-min))
1239 (while (search-forward "\r" nil t)
1240 (replace-match "" t t))
1241 (copy-to-buffer tobuffer (point-min) (point-max)))))
1243 (defun elmo-nntp-make-groups-hashtb (folders &optional size)
1244 (let ((hashtb (or elmo-nntp-groups-hashtb
1245 (setq elmo-nntp-groups-hashtb
1246 (elmo-make-hash (or size (length folders)))))))
1249 (or (elmo-get-hash-val fld hashtb)
1250 (elmo-set-hash-val fld nil hashtb)))
1254 ;; from nntp.el [Gnus]
1256 (defsubst elmo-nntp-next-result-arrived-p ()
1258 ((eq (following-char) ?2)
1259 (if (re-search-forward "\n\\.\r?\n" nil t)
1262 ((looking-at "[34]")
1263 (if (search-forward "\n" nil t)
1269 (defun elmo-nntp-retrieve-headers (buffer tobuffer process articles)
1270 "Retrieve the headers of ARTICLES."
1274 (let ((number (length articles))
1277 (last-point (point-min))
1279 ;; Send HEAD commands.
1280 (while (setq article (pop articles))
1281 (elmo-nntp-send-command
1284 (format "head %s" article)
1285 t ;; not erase-buffer
1287 (setq count (1+ count))
1288 ;; Every 200 requests we have to read the stream in
1289 ;; order to avoid deadlocks.
1290 (when (or (null articles) ;All requests have been sent.
1291 (zerop (% count elmo-nntp-header-fetch-chop-length)))
1292 (accept-process-output process 1)
1296 (goto-char last-point)
1298 (while (elmo-nntp-next-result-arrived-p)
1299 (setq last-point (point))
1300 (setq received (1+ received)))
1302 (when (> number elmo-display-progress-threshold)
1303 (if (or (zerop (% received 20)) (= received number))
1304 (elmo-display-progress
1305 'elmo-nntp-retrieve-headers "Getting headers..."
1306 (/ (* received 100) number))))
1307 (accept-process-output process 1)
1310 (when (> number elmo-display-progress-threshold)
1311 (elmo-display-progress
1312 'elmo-nntp-retrieve-headers "Getting headers..." 100))
1313 (message "Getting headers...done")
1314 ;; Remove all "\r"'s.
1315 (goto-char (point-min))
1316 (while (search-forward "\r\n" nil t)
1317 (replace-match "\n"))
1318 (copy-to-buffer tobuffer (point-min) (point-max)))))
1322 (defun elmo-nntp-msgdb-create-message (buffer len folder new-mark
1323 already-mark seen-mark seen-list)
1326 overview number-alist mark-alist
1327 entity i num gmark seen message-id)
1329 (elmo-set-buffer-multibyte nil)
1330 (goto-char (point-min))
1332 (message "Creating msgdb...")
1334 (setq beg (save-excursion (forward-line 1) (point)))
1336 (and (looking-at "^2[0-9]*[ ]+\\([0-9]+\\)")
1338 (elmo-match-buffer 1))))
1339 (elmo-nntp-next-result-arrived-p)
1344 (narrow-to-region beg (point))
1346 (elmo-msgdb-create-overview-from-buffer num))
1349 (elmo-msgdb-append-element
1352 (elmo-msgdb-number-add
1354 (elmo-msgdb-overview-entity-get-number entity)
1356 (setq message-id (car entity))
1357 (setq seen (member message-id seen-list))
1359 (or (elmo-msgdb-global-mark-get message-id)
1360 (if (elmo-cache-exists-p message-id);; XXX
1365 (if elmo-nntp-use-cache
1369 (elmo-msgdb-mark-append
1373 (when (> len elmo-display-progress-threshold)
1375 (if (or (zerop (% i 20)) (= i len))
1376 (elmo-display-progress
1377 'elmo-nntp-msgdb-create-message "Creating msgdb..."
1378 (/ (* i 100) len)))))
1379 (when (> len elmo-display-progress-threshold)
1380 (elmo-display-progress
1381 'elmo-nntp-msgdb-create-message "Creating msgdb..." 100))
1382 (list overview number-alist mark-alist))))
1384 (defun elmo-nntp-use-cache-p (spec number)
1385 elmo-nntp-use-cache)
1387 (defun elmo-nntp-local-file-p (spec number)
1390 (defun elmo-nntp-port-label (spec)
1392 (if (elmo-nntp-spec-stream-type spec)
1393 (concat "!" (symbol-name
1394 (elmo-network-stream-type-symbol
1395 (elmo-nntp-spec-stream-type spec)))))))
1397 (defsubst elmo-nntp-portinfo (spec)
1398 (list (elmo-nntp-spec-hostname spec)
1399 (elmo-nntp-spec-port spec)))
1401 (defun elmo-nntp-plugged-p (spec)
1402 (apply 'elmo-plugged-p
1403 (append (elmo-nntp-portinfo spec)
1404 (list nil (quote (elmo-nntp-port-label spec))))))
1406 (defun elmo-nntp-set-plugged (spec plugged add)
1407 (apply 'elmo-set-plugged plugged
1408 (append (elmo-nntp-portinfo spec)
1409 (list nil nil (quote (elmo-nntp-port-label spec)) add))))
1411 (defalias 'elmo-nntp-list-folder-unread
1412 'elmo-generic-list-folder-unread)
1413 (defalias 'elmo-nntp-list-folder-important
1414 'elmo-generic-list-folder-important)
1415 (defalias 'elmo-nntp-commit 'elmo-generic-commit)
1417 (provide 'elmo-nntp)
1419 ;;; elmo-nntp.el ends here