1 ;;; elmo-pop3.el -- POP3 Interface for ELMO.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Copyright (C) 1999,2000 Kenichi OKADA <okada@opaopa.org>
6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
7 ;; Kenichi OKADA <okada@opaopa.org>
8 ;; Keywords: mail, net news
10 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
12 ;; This program 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 ;; This program 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., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
41 (autoload 'md5 "md5"))
44 (defvar elmo-default-pop3-user (or (getenv "USER")
47 "*Default username for POP3.")
48 (defvar elmo-default-pop3-server "localhost"
49 "*Default POP3 server.")
50 (defvar elmo-default-pop3-authenticate-type 'user
51 "*Default Authentication type for POP3.")
52 (defvar elmo-default-pop3-port 110
53 "*Default POP3 port.")
54 (defvar elmo-default-pop3-stream-type nil
55 "*Default stream type for POP3.
56 Any symbol value of `elmo-network-stream-type-alist'.")
59 (defvar elmo-pop3-stream-type-alist nil
60 "*Stream bindings for POP3.
61 This is taken precedence over `elmo-network-stream-type-alist'.")
64 (defvar elmo-pop3-default-use-uidl t
65 "If non-nil, use UIDL on POP3.")
67 (defvar elmo-pop3-use-uidl-internal t
68 "(Internal switch for using UIDL on POP3).")
69 (defvar elmo-pop3-inhibit-uidl nil
70 "(Internal switch for using UIDL on POP3).")
72 (defvar elmo-pop3-exists-exactly t)
76 (luna-define-class elmo-pop3-folder (elmo-net-folder)
77 (use-uidl location-alist))
78 (luna-define-internal-accessors 'elmo-pop3-folder))
80 (luna-define-method elmo-folder-initialize :around ((folder
83 (let ((elmo-network-stream-type-alist
84 (if elmo-pop3-stream-type-alist
85 (append elmo-pop3-stream-type-alist
86 elmo-network-stream-type-alist)
87 elmo-network-stream-type-alist)))
88 (setq name (luna-call-next-method))
89 ;; Setup slots for elmo-net-folder
90 (when (string-match "^\\([^:/!]*\\)\\(/[^/:@!]+\\)?\\(:[^/:@!]+\\)?" name)
91 (elmo-net-folder-set-user-internal folder
92 (if (match-beginning 1)
93 (elmo-match-string 1 name)))
94 (if (eq (length (elmo-net-folder-user-internal folder)) 0)
95 (elmo-net-folder-set-user-internal folder
96 elmo-default-pop3-user))
97 (elmo-net-folder-set-auth-internal
99 (if (match-beginning 2)
100 (intern (elmo-match-substring 2 name 1))
101 elmo-default-pop3-authenticate-type))
102 (elmo-pop3-folder-set-use-uidl-internal
104 (if (match-beginning 3)
105 (string= (elmo-match-substring 3 name 1) "uidl")
106 elmo-pop3-default-use-uidl)))
107 (unless (elmo-net-folder-server-internal folder)
108 (elmo-net-folder-set-server-internal folder
109 elmo-default-pop3-server))
110 (unless (elmo-net-folder-port-internal folder)
111 (elmo-net-folder-set-port-internal folder
112 elmo-default-pop3-port))
113 (unless (elmo-net-folder-stream-type-internal folder)
114 (elmo-net-folder-set-stream-type-internal
116 elmo-default-pop3-stream-type))
120 (luna-define-class elmo-pop3-session (elmo-network-session) ())
123 (defvar elmo-pop3-read-point nil)
124 (defvar elmo-pop3-number-uidl-hash nil) ; number -> uidl
125 (defvar elmo-pop3-uidl-number-hash nil) ; uidl -> number
126 (defvar elmo-pop3-size-hash nil) ; number -> size
127 (defvar elmo-pop3-uidl-done nil)
128 (defvar elmo-pop3-list-done nil)
130 (defvar elmo-pop3-local-variables '(elmo-pop3-read-point
131 elmo-pop3-uidl-number-hash
132 elmo-pop3-number-uidl-hash
135 elmo-pop3-list-done))
137 (luna-define-method elmo-network-close-session ((session elmo-pop3-session))
138 (when (elmo-network-session-process-internal session)
139 (when (memq (process-status
140 (elmo-network-session-process-internal session))
142 (let ((buffer (process-buffer
143 (elmo-network-session-process-internal session))))
144 (elmo-pop3-send-command (elmo-network-session-process-internal session)
147 (or (elmo-pop3-read-response
148 (elmo-network-session-process-internal session)
150 (error "POP error: QUIT failed"))))
151 (kill-buffer (process-buffer
152 (elmo-network-session-process-internal session)))
153 (delete-process (elmo-network-session-process-internal session))))
155 (defun elmo-pop3-get-session (folder &optional if-exists)
156 (let ((elmo-pop3-use-uidl-internal (if elmo-pop3-inhibit-uidl
158 (elmo-pop3-folder-use-uidl-internal
160 (elmo-network-get-session 'elmo-pop3-session "POP3" folder if-exists)))
162 (defun elmo-pop3-send-command (process command &optional no-erase)
163 (with-current-buffer (process-buffer process)
166 (goto-char (point-min))
167 (setq elmo-pop3-read-point (point))
168 (process-send-string process command)
169 (process-send-string process "\r\n")))
171 (defun elmo-pop3-read-response (process &optional not-command buffer)
172 ;; buffer is in case for process is dead.
173 (with-current-buffer (or buffer (process-buffer process))
174 (let ((case-fold-search nil)
175 (response-string nil)
176 (response-continue t)
179 (while response-continue
180 (goto-char elmo-pop3-read-point)
181 (while (not (re-search-forward "\r?\n" nil t))
182 (accept-process-output process)
183 (goto-char elmo-pop3-read-point))
184 (setq match-end (point))
185 (setq response-string
186 (buffer-substring elmo-pop3-read-point (- match-end 2)))
187 (goto-char elmo-pop3-read-point)
188 (if (looking-at "\\+.*$")
190 (setq response-continue nil)
191 (setq elmo-pop3-read-point match-end)
194 (concat return-value "\n" response-string)
196 (if (looking-at "\\-.*$")
198 (setq response-continue nil)
199 (setq elmo-pop3-read-point match-end)
200 (setq return-value nil))
201 (setq elmo-pop3-read-point match-end)
203 (setq response-continue nil))
206 (concat return-value "\n" response-string)
208 (setq elmo-pop3-read-point match-end)))
211 (defun elmo-pop3-process-filter (process output)
213 (set-buffer (process-buffer process))
214 (goto-char (point-max))
217 (defun elmo-pop3-auth-user (session)
218 (let ((process (elmo-network-session-process-internal session)))
220 (elmo-pop3-send-command
222 (format "user %s" (elmo-network-session-user-internal session)))
223 (or (elmo-pop3-read-response process t)
224 (signal 'elmo-authenticate-error
225 '(elmo-pop-auth-user)))
226 (elmo-pop3-send-command process
230 (elmo-network-session-password-key session))))
231 (or (elmo-pop3-read-response process t)
232 (signal 'elmo-authenticate-error
233 '(elmo-pop-auth-user)))))
235 (defun elmo-pop3-auth-apop (session)
236 (if (string-match "^\+OK .*\\(<[^\>]+>\\)"
237 (elmo-network-session-greeting-internal session))
238 ;; good, APOP ready server
240 (elmo-pop3-send-command
241 (elmo-network-session-process-internal session)
243 (elmo-network-session-user-internal session)
245 (concat (match-string
247 (elmo-network-session-greeting-internal session))
249 (elmo-network-session-password-key session))))))
250 (or (elmo-pop3-read-response
251 (elmo-network-session-process-internal session)
253 (signal 'elmo-authenticate-error
254 '(elmo-pop3-auth-apop))))
255 (signal 'elmo-open-error '(elmo-pop3-auth-apop))))
257 (luna-define-method elmo-network-initialize-session-buffer :after
258 ((session elmo-pop3-session) buffer)
259 (with-current-buffer buffer
260 (mapcar 'make-variable-buffer-local elmo-pop3-local-variables)))
262 (luna-define-method elmo-network-initialize-session ((session
264 (let ((process (elmo-network-session-process-internal session))
266 (with-current-buffer (process-buffer process)
267 (set-process-filter process 'elmo-pop3-process-filter)
268 (setq elmo-pop3-read-point (point-min))
269 ;; Skip garbage output from process before greeting.
270 (while (and (memq (process-status process) '(open run))
271 (goto-char (point-max))
273 (not (looking-at "+OK")))
274 (accept-process-output process 1))
275 (setq elmo-pop3-read-point (point))
276 (or (elmo-network-session-set-greeting-internal
278 (elmo-pop3-read-response process t))
279 (signal 'elmo-open-error
280 '(elmo-network-intialize-session)))
281 (when (eq (elmo-network-stream-type-symbol
282 (elmo-network-session-stream-type-internal session))
284 (elmo-pop3-send-command process "stls")
285 (if (string-match "^\+OK"
286 (elmo-pop3-read-response process))
287 (starttls-negotiate process)
288 (signal 'elmo-open-error
289 '(elmo-pop3-starttls-error)))))))
291 (luna-define-method elmo-network-authenticate-session ((session
293 (with-current-buffer (process-buffer
294 (elmo-network-session-process-internal session))
295 (let* ((process (elmo-network-session-process-internal session))
296 (auth (elmo-network-session-auth-internal session))
297 (auth (mapcar '(lambda (mechanism) (upcase (symbol-name mechanism)))
298 (if (listp auth) auth (list auth))))
299 client name step response mechanism
300 sasl-read-passphrase)
301 (or (and (string= "USER" (car auth))
302 (elmo-pop3-auth-user session))
303 (and (string= "APOP" (car auth))
304 (elmo-pop3-auth-apop session))
306 (setq mechanism (sasl-find-mechanism auth))
308 (signal 'elmo-authenticate-error '(elmo-pop3-auth-no-mechanisms)))
312 (elmo-network-session-user-internal session)
314 (elmo-network-session-server-internal session)))
315 ;;; (if elmo-pop3-auth-user-realm
316 ;;; (sasl-client-set-property client 'realm elmo-pop3-auth-user-realm))
317 (setq name (sasl-mechanism-name mechanism))
318 (elmo-network-session-set-auth-internal session
319 (intern (downcase name)))
320 (setq sasl-read-passphrase
324 (elmo-network-session-password-key session)))))
325 (setq step (sasl-next-step client nil))
326 (elmo-pop3-send-command
329 (and (sasl-step-data step)
332 (elmo-base64-encode-string
333 (sasl-step-data step) 'no-line-break))))) ;)
336 (unless (setq response (elmo-pop3-read-response process t))
337 (signal 'elmo-authenticate-error
339 (concat "elmo-pop3-auth-"
341 (if (string-match "^\+OK" response)
342 (if (sasl-next-step client step)
343 (signal 'elmo-authenticate-error
345 (concat "elmo-pop3-auth-"
350 (elmo-base64-decode-string
351 (cadr (split-string response " "))))
352 (setq step (sasl-next-step client step))
353 (elmo-pop3-send-command
355 (if (sasl-step-data step)
356 (elmo-base64-encode-string (sasl-step-data step)
360 (luna-define-method elmo-network-setup-session ((session
362 (let ((process (elmo-network-session-process-internal session))
364 (with-current-buffer (process-buffer process)
365 (setq elmo-pop3-size-hash (elmo-make-hash 31))
366 ;; To get obarray of uidl and size
367 (elmo-pop3-send-command process "list")
368 (if (null (elmo-pop3-read-response process))
369 (error "POP LIST command failed"))
370 (if (null (setq response
371 (elmo-pop3-read-contents
372 (current-buffer) process)))
373 (error "POP LIST command failed"))
374 ;; POP server always returns a sequence of serial numbers.
375 (setq count (elmo-pop3-parse-list-response response))
377 (when elmo-pop3-use-uidl-internal
378 (setq elmo-pop3-uidl-number-hash (elmo-make-hash (* count 2)))
379 (setq elmo-pop3-number-uidl-hash (elmo-make-hash (* count 2)))
381 (elmo-pop3-send-command process "uidl")
382 (unless (elmo-pop3-read-response process)
383 (error "POP UIDL failed"))
384 (unless (setq response (elmo-pop3-read-contents
385 (current-buffer) process))
386 (error "POP UIDL failed"))
387 (elmo-pop3-parse-uidl-response response)))))
389 (defun elmo-pop3-read-contents (buffer process)
392 (let ((case-fold-search nil)
394 (goto-char elmo-pop3-read-point)
395 (while (not (re-search-forward "^\\.\r\n" nil t))
396 (accept-process-output process)
397 (goto-char elmo-pop3-read-point))
398 (setq match-end (point))
400 (buffer-substring elmo-pop3-read-point
403 (luna-define-method elmo-folder-expand-msgdb-path ((folder elmo-pop3-folder))
404 (convert-standard-filename
406 (elmo-safe-filename (elmo-net-folder-user-internal folder))
407 (expand-file-name (elmo-net-folder-server-internal folder)
412 (luna-define-method elmo-folder-exists-p ((folder elmo-pop3-folder))
413 (if (and elmo-pop3-exists-exactly
414 (elmo-folder-plugged-p folder))
416 (let (elmo-auto-change-plugged ; don't change plug status.
417 elmo-pop3-inhibit-uidl ; No need to use uidl.
420 (setq session (elmo-pop3-get-session folder))
422 (elmo-network-close-session session)))))
425 (defun elmo-pop3-parse-uidl-response (string)
426 (let ((buffer (current-buffer))
429 (let (number uid list)
431 (goto-char (point-min))
432 (while (re-search-forward "^\\([0-9]+\\)[\t ]\\([^ \n]+\\)$" nil t)
433 (setq number (elmo-match-buffer 1))
434 (setq uid (elmo-match-buffer 2))
435 (with-current-buffer buffer
436 (elmo-set-hash-val uid number elmo-pop3-uidl-number-hash)
437 (elmo-set-hash-val (concat "#" number) uid
438 elmo-pop3-number-uidl-hash))
439 (setq list (cons uid list)))
440 (with-current-buffer buffer (setq elmo-pop3-uidl-done t))
443 (defun elmo-pop3-parse-list-response (string)
444 (let ((buffer (current-buffer))
449 (goto-char (point-min))
450 (while (re-search-forward "^\\([0-9]+\\)[\t ]\\([0-9]+\\)$" nil t)
453 (cons (elmo-match-buffer 1)
454 (elmo-match-buffer 2))
456 (setq count (1+ count)))
457 (with-current-buffer buffer
458 (setq elmo-pop3-size-hash (elmo-make-hash (* (length alist) 2)))
460 (elmo-set-hash-val (concat "#" (car (car alist)))
463 (setq alist (cdr alist)))
464 (setq elmo-pop3-list-done t))
467 (defun elmo-pop3-list-location (folder)
468 (with-current-buffer (process-buffer
469 (elmo-network-session-process-internal
470 (elmo-pop3-get-session folder)))
472 (if elmo-pop3-uidl-done
476 (setq list (cons (symbol-name atom) list)))
477 elmo-pop3-uidl-number-hash)
479 (error "POP3: Error in UIDL")))))
481 (defun elmo-pop3-list-folder-by-location (folder locations)
482 (let* ((location-alist (elmo-pop3-folder-location-alist-internal folder))
483 (locations-in-db (mapcar 'cdr location-alist))
484 result new-locs new-alist deleted-locs i)
486 (elmo-delete-if (function
487 (lambda (x) (member x locations-in-db)))
490 (elmo-delete-if (function
491 (lambda (x) (member x locations)))
493 (setq i (or (elmo-max-of-list (mapcar 'car location-alist)) 0))
498 (delq (rassoc x location-alist) location-alist))))
502 (setq new-alist (cons (cons i (car new-locs)) new-alist))
503 (setq new-locs (cdr new-locs)))
504 (setq result (nconc location-alist new-alist))
505 (setq result (sort result (lambda (x y) (< (car x)(car y)))))
506 (elmo-pop3-folder-set-location-alist-internal folder result)
507 (mapcar 'car result)))
509 (defun elmo-pop3-list-by-uidl-subr (folder &optional nonsort)
510 (let ((flist (elmo-pop3-list-folder-by-location
512 (elmo-pop3-list-location folder))))
514 (cons (elmo-max-of-list flist) (length flist))
517 (defun elmo-pop3-list-by-list (folder)
518 (with-current-buffer (process-buffer
519 (elmo-network-session-process-internal
520 (elmo-pop3-get-session folder)))
522 (if elmo-pop3-list-done
524 (mapatoms (lambda (atom)
525 (setq list (cons (string-to-int
526 (substring (symbol-name atom) 1))
530 (error "POP3: Error in list")))))
532 (defsubst elmo-pop3-folder-list-messages (folder)
533 (if (and (not elmo-pop3-inhibit-uidl)
534 (elmo-pop3-folder-use-uidl-internal folder))
535 (elmo-pop3-list-by-uidl-subr folder)
536 (elmo-pop3-list-by-list folder)))
538 (luna-define-method elmo-folder-list-messages-internal
539 ((folder elmo-pop3-folder))
540 (elmo-pop3-folder-list-messages folder))
542 (luna-define-method elmo-folder-status ((folder elmo-pop3-folder))
543 (elmo-folder-check folder)
544 (if (elmo-pop3-folder-use-uidl-internal folder)
545 (elmo-pop3-list-by-uidl-subr folder 'nonsort)
547 (elmo-network-session-process-internal
548 (elmo-pop3-get-session folder)))
551 (with-current-buffer (process-buffer process)
552 (elmo-pop3-send-command process "STAT")
553 (setq response (elmo-pop3-read-response process))
554 ;; response: "^\+OK 2 7570$"
555 (if (not (string-match "^\+OK[ \t]*\\([0-9]*\\)" response))
556 (error "POP STAT command failed")
559 (substring response (match-beginning 1)(match-end 1 ))))
560 (cons total total))))))
562 (defvar elmo-pop3-header-fetch-chop-length 200)
564 (defsubst elmo-pop3-next-result-arrived-p ()
566 ((eq (following-char) ?+)
567 (if (re-search-forward "\n\\.\r?\n" nil t)
571 (if (search-forward "\n" nil t)
577 (defun elmo-pop3-retrieve-headers (buffer tobuffer process articles)
581 (let ((number (length articles))
584 (last-point (point-min)))
585 ;; Send HEAD commands.
587 (elmo-pop3-send-command process (format
588 "top %s 0" (car articles))
590 ;;; (accept-process-output process 1)
591 (setq articles (cdr articles))
592 (setq count (1+ count))
593 ;; Every 200 requests we have to read the stream in
594 ;; order to avoid deadlocks.
595 (when (or elmo-pop3-send-command-synchronously
596 (null articles) ;All requests have been sent.
597 (zerop (% count elmo-pop3-header-fetch-chop-length)))
598 (unless elmo-pop3-send-command-synchronously
599 (accept-process-output process 1))
603 (goto-char last-point)
605 (while (elmo-pop3-next-result-arrived-p)
606 (setq last-point (point))
607 (setq received (1+ received)))
609 (when (> number elmo-display-progress-threshold)
610 (if (or (zerop (% received 5)) (= received number))
611 (elmo-display-progress
612 'elmo-pop3-retrieve-headers "Getting headers..."
613 (/ (* received 100) number))))
614 (accept-process-output process 1)
615 ;;; (accept-process-output process)
617 ;; Remove all "\r"'s.
618 (goto-char (point-min))
619 (while (search-forward "\r\n" nil t)
620 (replace-match "\n"))
621 (copy-to-buffer tobuffer (point-min) (point-max)))))
623 (luna-define-method elmo-folder-msgdb-create ((folder elmo-pop3-folder)
625 already-mark seen-mark
626 important-mark seen-list)
627 (let ((process (elmo-network-session-process-internal
628 (elmo-pop3-get-session folder))))
629 (with-current-buffer (process-buffer process)
630 (elmo-pop3-sort-msgdb-by-original-number
632 (elmo-pop3-msgdb-create-by-header
635 new-mark already-mark
637 (if (elmo-pop3-folder-use-uidl-internal folder)
638 (elmo-pop3-folder-location-alist-internal folder)))))))
640 (defun elmo-pop3-sort-overview-by-original-number (overview loc-alist)
644 (< (elmo-pop3-uidl-to-number
645 (cdr (assq (elmo-msgdb-overview-entity-get-number ent1)
647 (elmo-pop3-uidl-to-number
648 (cdr (assq (elmo-msgdb-overview-entity-get-number ent2)
652 (defun elmo-pop3-sort-msgdb-by-original-number (folder msgdb)
653 (message "Sorting...")
654 (let ((overview (elmo-msgdb-get-overview msgdb)))
656 (setq overview (elmo-pop3-sort-overview-by-original-number
658 (elmo-pop3-folder-location-alist-internal folder)))
659 (message "Sorting...done")
660 (list overview (nth 1 msgdb)(nth 2 msgdb)(nth 3 msgdb))))
662 (defun elmo-pop3-uidl-to-number (uidl)
663 (string-to-number (elmo-get-hash-val uidl
664 elmo-pop3-uidl-number-hash)))
666 (defun elmo-pop3-number-to-uidl (number)
667 (elmo-get-hash-val (format "#%d" number)
668 elmo-pop3-number-uidl-hash))
670 (defun elmo-pop3-number-to-size (number)
671 (elmo-get-hash-val (format "#%d" number)
672 elmo-pop3-size-hash))
674 (defun elmo-pop3-msgdb-create-by-header (process numlist
675 new-mark already-mark
679 (let ((tmp-buffer (get-buffer-create " *ELMO Overview TMP*")))
680 (with-current-buffer (process-buffer process)
681 (if loc-alist ; use uidl.
687 (elmo-pop3-uidl-to-number (cdr (assq number loc-alist))))
689 (elmo-pop3-retrieve-headers (process-buffer process)
690 tmp-buffer process numlist)
692 (elmo-pop3-msgdb-create-message
697 new-mark already-mark seen-mark seen-list loc-alist)
698 (kill-buffer tmp-buffer)))))
700 (defun elmo-pop3-msgdb-create-message (buffer
703 numlist new-mark already-mark
708 (let (beg overview number-alist mark-alist
709 entity i number message-id gmark seen size)
711 (elmo-set-buffer-multibyte default-enable-multibyte-characters)
712 (goto-char (point-min))
714 (message "Creating msgdb...")
716 (setq beg (save-excursion (forward-line 1) (point)))
717 (elmo-pop3-next-result-arrived-p)
721 (narrow-to-region beg (point))
723 (elmo-msgdb-create-overview-from-buffer
725 (setq numlist (cdr numlist))
728 (elmo-msgdb-append-element
730 (with-current-buffer (process-buffer process)
731 (elmo-msgdb-overview-entity-set-size
734 (elmo-pop3-number-to-size
735 (elmo-msgdb-overview-entity-get-number entity))))
739 (elmo-pop3-number-to-uidl
740 (elmo-msgdb-overview-entity-get-number entity))
742 (elmo-msgdb-overview-entity-set-number entity number)))
744 (elmo-msgdb-number-add
746 (elmo-msgdb-overview-entity-get-number entity)
748 (setq message-id (car entity))
749 (setq seen (member message-id seen-list))
750 (if (setq gmark (or (elmo-msgdb-global-mark-get message-id)
751 (if (elmo-file-cache-status
752 (elmo-file-cache-get message-id))
757 (if elmo-pop3-use-cache
761 (elmo-msgdb-mark-append
763 (elmo-msgdb-overview-entity-get-number entity)
765 (when (> num elmo-display-progress-threshold)
767 (if (or (zerop (% i 5)) (= i num))
768 (elmo-display-progress
769 'elmo-pop3-msgdb-create-message "Creating msgdb..."
770 (/ (* i 100) num)))))
771 (list overview number-alist mark-alist))))
773 (defun elmo-pop3-read-body (process outbuf)
774 (with-current-buffer (process-buffer process)
775 (let ((start elmo-pop3-read-point)
778 (while (not (re-search-forward "^\\.\r?\n" nil t))
779 (accept-process-output process)
782 (with-current-buffer outbuf
784 (insert-buffer-substring (process-buffer process) start (- end 3))))))
786 (luna-define-method elmo-folder-open-internal ((folder elmo-pop3-folder))
787 (if (elmo-pop3-folder-use-uidl-internal folder)
788 (elmo-pop3-folder-set-location-alist-internal
789 folder (elmo-msgdb-location-load (elmo-folder-msgdb-path folder)))))
791 (luna-define-method elmo-folder-commit :after ((folder elmo-pop3-folder))
792 (when (elmo-folder-persistent-p folder)
793 (elmo-msgdb-location-save (elmo-folder-msgdb-path folder)
794 (elmo-pop3-folder-location-alist-internal
797 (luna-define-method elmo-folder-close-internal ((folder elmo-pop3-folder))
798 (elmo-pop3-folder-set-location-alist-internal folder nil)
799 (elmo-folder-check folder))
801 (luna-define-method elmo-message-fetch-plugged ((folder elmo-pop3-folder)
805 (let* ((loc-alist (elmo-pop3-folder-location-alist-internal folder))
806 (process (elmo-network-session-process-internal
807 (elmo-pop3-get-session folder)))
809 (with-current-buffer (process-buffer process)
811 (setq number (elmo-pop3-uidl-to-number
812 (cdr (assq number loc-alist)))))
814 (elmo-pop3-send-command process
815 (format "retr %s" number))
816 (when (null (setq response (elmo-pop3-read-response
818 (error "Fetching message failed"))
819 (setq response (elmo-pop3-read-body process outbuf))
821 (goto-char (point-min))
822 (while (re-search-forward "^\\." nil t)
827 (defun elmo-pop3-delete-msg (process number loc-alist)
828 (with-current-buffer (process-buffer process)
829 (let (response errmsg msg)
831 (setq number (elmo-pop3-uidl-to-number
832 (cdr (assq number loc-alist)))))
835 (elmo-pop3-send-command process
836 (format "dele %s" number))
837 (when (null (setq response (elmo-pop3-read-response
839 (error "Deleting message failed")))
840 (error "Deleting message failed")))))
842 (luna-define-method elmo-folder-delete-messages ((folder elmo-pop3-folder)
844 (let ((loc-alist (elmo-pop3-folder-location-alist-internal folder))
845 (process (elmo-network-session-process-internal
846 (elmo-pop3-get-session folder))))
847 (mapcar '(lambda (msg) (elmo-pop3-delete-msg
848 process msg loc-alist))
851 (luna-define-method elmo-message-use-cache-p ((folder elmo-pop3-folder) number)
854 (luna-define-method elmo-folder-persistent-p ((folder elmo-pop3-folder))
855 (and (elmo-folder-persistent-internal folder)
856 (elmo-pop3-folder-use-uidl-internal folder)))
859 (luna-define-method elmo-folder-check ((folder elmo-pop3-folder))
860 (if (elmo-folder-plugged-p folder)
861 (let ((session (elmo-pop3-get-session folder 'if-exists)))
863 (elmo-network-close-session session)))))
866 (product-provide (provide 'elmo-pop3) (require 'elmo-version))
868 ;;; elmo-pop3.el ends here