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"))
43 (defcustom elmo-pop3-default-use-uidl t
44 "If non-nil, use UIDL on POP3."
48 (defvar elmo-pop3-use-uidl-internal t
49 "(Internal switch for using UIDL on POP3).")
51 (defvar elmo-pop3-use-cache t
52 "Use cache in pop3 folder.")
54 (defvar elmo-pop3-send-command-synchronously nil
55 "If non-nil, commands are send synchronously.
56 If server doesn't accept asynchronous commands, this variable should be
59 (defvar elmo-pop3-exists-exactly t)
60 (defvar sasl-mechanism-alist)
62 (defvar elmo-pop3-total-size nil)
65 (defvar elmo-pop3-debug nil
66 "Non-nil forces POP3 folder as debug mode.
67 Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
70 (defsubst elmo-pop3-debug (message &rest args)
72 (let ((biff (string-match "BIFF-" (buffer-name)))
74 (with-current-buffer (get-buffer-create (concat "*POP3 DEBUG*"
76 (goto-char (point-max))
78 (insert (apply 'format message args) "\n")))))
82 (luna-define-class elmo-pop3-folder (elmo-net-folder)
83 (use-uidl location-alist))
84 (luna-define-internal-accessors 'elmo-pop3-folder))
86 (luna-define-method elmo-folder-initialize :around ((folder
89 (let ((elmo-network-stream-type-alist
90 (if elmo-pop3-stream-type-alist
91 (append elmo-pop3-stream-type-alist
92 elmo-network-stream-type-alist)
93 elmo-network-stream-type-alist))
95 (setq name (luna-call-next-method))
97 (setq parse (elmo-parse-token name "/:"))
98 (elmo-net-folder-set-user-internal folder
99 (if (eq (length (car parse)) 0)
100 elmo-pop3-default-user
103 (setq parse (elmo-parse-prefixed-element ?/ (cdr parse) ":"))
104 (elmo-net-folder-set-auth-internal folder
105 (if (eq (length (car parse)) 0)
106 elmo-pop3-default-authenticate-type
107 (intern (downcase (car parse)))))
109 (setq parse (elmo-parse-prefixed-element ?: (cdr parse)))
110 (elmo-pop3-folder-set-use-uidl-internal folder
111 (if (eq (length (car parse)) 0)
112 elmo-pop3-default-use-uidl
113 (string= (car parse) "uidl")))
114 (unless (elmo-net-folder-server-internal folder)
115 (elmo-net-folder-set-server-internal folder
116 elmo-pop3-default-server))
117 (unless (elmo-net-folder-port-internal folder)
118 (elmo-net-folder-set-port-internal folder
119 elmo-pop3-default-port))
120 (unless (elmo-net-folder-stream-type-internal folder)
121 (elmo-net-folder-set-stream-type-internal
123 (elmo-get-network-stream-type
124 elmo-pop3-default-stream-type)))
128 (luna-define-class elmo-pop3-session (elmo-network-session) ())
131 (defvar elmo-pop3-read-point nil)
132 (defvar elmo-pop3-number-uidl-hash nil) ; number -> uidl
133 (defvar elmo-pop3-uidl-number-hash nil) ; uidl -> number
134 (defvar elmo-pop3-size-hash nil) ; number -> size
135 (defvar elmo-pop3-uidl-done nil)
136 (defvar elmo-pop3-list-done nil)
137 (defvar elmo-pop3-lock nil)
139 (defvar elmo-pop3-local-variables '(elmo-pop3-read-point
140 elmo-pop3-uidl-number-hash
141 elmo-pop3-number-uidl-hash
147 (luna-define-method elmo-network-close-session ((session elmo-pop3-session))
148 (when (elmo-network-session-process-internal session)
149 (when (memq (process-status
150 (elmo-network-session-process-internal session))
152 (elmo-pop3-send-command (elmo-network-session-process-internal session)
155 (or (elmo-pop3-read-response
156 (elmo-network-session-process-internal session)
158 (error "POP error: QUIT failed")))
159 (kill-buffer (process-buffer
160 (elmo-network-session-process-internal session)))
161 (delete-process (elmo-network-session-process-internal session))))
163 (defun elmo-pop3-get-session (folder &optional if-exists)
164 "Get POP3 session for FOLDER.
165 If IF-EXISTS is non-nil, don't get new session.
166 If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
167 (let ((elmo-pop3-use-uidl-internal (if elmo-inhibit-number-mapping
169 (elmo-pop3-folder-use-uidl-internal
171 (if (eq if-exists 'any-exists)
172 (or (elmo-network-get-session 'elmo-pop3-session
175 (elmo-network-get-session 'elmo-pop3-session
178 (elmo-network-get-session 'elmo-pop3-session
180 (if (elmo-folder-biff-internal folder)
185 (defun elmo-pop3-send-command (process command &optional no-erase no-log)
186 (with-current-buffer (process-buffer process)
189 (goto-char (point-min))
190 (setq elmo-pop3-read-point (point))
191 (elmo-pop3-debug "SEND: %s\n" (if no-log "<NO LOGGING>" command))
192 (process-send-string process command)
193 (process-send-string process "\r\n")))
195 (defun elmo-pop3-read-response (process &optional not-command)
196 ;; buffer is in case for process is dead.
197 (with-current-buffer (process-buffer process)
198 (let ((case-fold-search nil)
199 (response-string nil)
200 (response-continue t)
203 (while response-continue
204 (goto-char elmo-pop3-read-point)
205 (while (not (re-search-forward "\r?\n" nil t))
206 (accept-process-output process 1)
207 (goto-char elmo-pop3-read-point))
208 (setq match-end (point))
209 (setq response-string
210 (buffer-substring elmo-pop3-read-point (- match-end 2)))
211 (goto-char elmo-pop3-read-point)
212 (if (looking-at "\\+.*$")
214 (setq response-continue nil)
215 (setq elmo-pop3-read-point match-end)
218 (concat return-value "\n" response-string)
220 (if (looking-at "\\-.*$")
222 (setq response-continue nil)
223 (setq elmo-pop3-read-point match-end)
224 (setq return-value nil))
225 (setq elmo-pop3-read-point match-end)
227 (setq response-continue nil))
230 (concat return-value "\n" response-string)
232 (setq elmo-pop3-read-point match-end)))
235 (defun elmo-pop3-process-filter (process output)
236 (when (buffer-live-p (process-buffer process))
237 (with-current-buffer (process-buffer process)
238 (goto-char (point-max))
240 (elmo-pop3-debug "RECEIVED: %s\n" output)
241 (if (and elmo-pop3-total-size
242 (> elmo-pop3-total-size
243 (min elmo-display-retrieval-progress-threshold 100)))
244 (elmo-display-progress
245 'elmo-display-retrieval-progress
246 (format "Retrieving (%d/%d bytes)..."
248 elmo-pop3-total-size)
249 (/ (buffer-size) (/ elmo-pop3-total-size 100)))))))
251 (defun elmo-pop3-auth-user (session)
252 (let ((process (elmo-network-session-process-internal session)))
254 (elmo-pop3-send-command
256 (format "user %s" (elmo-network-session-user-internal session))
258 (or (elmo-pop3-read-response process t)
260 (delete-process process)
261 (signal 'elmo-authenticate-error
262 '(elmo-pop-auth-user))))
263 (elmo-pop3-send-command process
267 (elmo-network-session-password-key session)))
269 (or (elmo-pop3-read-response process t)
271 (delete-process process)
272 (signal 'elmo-authenticate-error
273 '(elmo-pop-auth-user))))))
275 (defun elmo-pop3-auth-apop (session)
276 (if (string-match "^\+OK .*\\(<[^\>]+>\\)"
277 (elmo-network-session-greeting-internal session))
278 ;; good, APOP ready server
280 (elmo-pop3-send-command
281 (elmo-network-session-process-internal session)
283 (elmo-network-session-user-internal session)
285 (concat (match-string
287 (elmo-network-session-greeting-internal session))
289 (elmo-network-session-password-key session)))))
291 (or (elmo-pop3-read-response
292 (elmo-network-session-process-internal session)
295 (delete-process (elmo-network-session-process-internal session))
296 (signal 'elmo-authenticate-error
297 '(elmo-pop3-auth-apop)))))
298 (signal 'elmo-open-error '(elmo-pop3-auth-apop))))
300 (luna-define-method elmo-network-initialize-session-buffer :after
301 ((session elmo-pop3-session) buffer)
302 (with-current-buffer buffer
303 (mapcar 'make-variable-buffer-local elmo-pop3-local-variables)))
305 (luna-define-method elmo-network-initialize-session ((session
307 (let ((process (elmo-network-session-process-internal session))
309 (with-current-buffer (process-buffer process)
310 (set-process-filter process 'elmo-pop3-process-filter)
311 (setq elmo-pop3-read-point (point-min))
312 ;; Skip garbage output from process before greeting.
313 (while (and (memq (process-status process) '(open run))
314 (goto-char (point-max))
316 (not (looking-at "+OK")))
317 (accept-process-output process 1))
318 (setq elmo-pop3-read-point (point))
319 (or (elmo-network-session-set-greeting-internal
321 (elmo-pop3-read-response process t))
322 (signal 'elmo-open-error
323 '(elmo-network-intialize-session)))
324 (when (eq (elmo-network-stream-type-symbol
325 (elmo-network-session-stream-type-internal session))
327 (elmo-pop3-send-command process "stls")
328 (if (string-match "^\+OK"
329 (elmo-pop3-read-response process))
330 (starttls-negotiate process)
331 (signal 'elmo-open-error
332 '(elmo-pop3-starttls-error)))))))
334 (luna-define-method elmo-network-authenticate-session ((session
336 (with-current-buffer (process-buffer
337 (elmo-network-session-process-internal session))
338 (let* ((process (elmo-network-session-process-internal session))
339 (auth (elmo-network-session-auth-internal session))
340 (auth (mapcar '(lambda (mechanism) (upcase (symbol-name mechanism)))
341 (if (listp auth) auth (list auth))))
343 client name step response mechanism
344 sasl-read-passphrase)
345 (or (and (string= "USER" (car auth))
346 (elmo-pop3-auth-user session))
347 (and (string= "APOP" (car auth))
348 (elmo-pop3-auth-apop session))
351 (setq sasl-mechanisms (mapcar 'car sasl-mechanism-alist))
352 (setq mechanism (sasl-find-mechanism auth))
354 (signal 'elmo-authenticate-error '(elmo-pop3-auth-no-mechanisms)))
358 (elmo-network-session-user-internal session)
360 (elmo-network-session-server-internal session)))
361 ;;; (if elmo-pop3-auth-user-realm
362 ;;; (sasl-client-set-property client 'realm elmo-pop3-auth-user-realm))
363 (setq name (sasl-mechanism-name mechanism))
364 (elmo-network-session-set-auth-internal session
365 (intern (downcase name)))
366 (setq sasl-read-passphrase
370 (elmo-network-session-password-key session)))))
371 (setq step (sasl-next-step client nil))
372 (elmo-pop3-send-command
375 (and (sasl-step-data step)
378 (elmo-base64-encode-string
379 (sasl-step-data step) 'no-line-break))))
383 (unless (setq response (elmo-pop3-read-response process t))
384 ;; response is NO or BAD.
385 (signal 'elmo-authenticate-error
387 (concat "elmo-pop3-auth-"
389 (if (string-match "^\+OK" response)
390 (if (sasl-next-step client step)
392 (signal 'elmo-authenticate-error
394 (concat "elmo-pop3-auth-"
396 ;; The authentication process is finished.
400 (elmo-base64-decode-string
401 (cadr (split-string response " "))))
402 (setq step (sasl-next-step client step))
403 (elmo-pop3-send-command
405 (if (sasl-step-data step)
406 (elmo-base64-encode-string (sasl-step-data step)
408 "") nil 'no-log))))))))
410 (luna-define-method elmo-network-setup-session ((session
412 (let ((process (elmo-network-session-process-internal session))
414 (with-current-buffer (process-buffer process)
415 (setq elmo-pop3-size-hash (elmo-make-hash 31))
416 ;; To get obarray of uidl and size
417 (elmo-pop3-send-command process "list")
418 (if (null (elmo-pop3-read-response process))
419 (error "POP LIST command failed"))
420 (if (null (setq response
421 (elmo-pop3-read-contents
422 (current-buffer) process)))
423 (error "POP LIST command failed"))
424 ;; POP server always returns a sequence of serial numbers.
425 (setq count (elmo-pop3-parse-list-response response))
427 (when elmo-pop3-use-uidl-internal
428 (setq elmo-pop3-uidl-number-hash (elmo-make-hash (* count 2)))
429 (setq elmo-pop3-number-uidl-hash (elmo-make-hash (* count 2)))
431 (elmo-pop3-send-command process "uidl")
432 (unless (elmo-pop3-read-response process)
433 (error "POP UIDL failed"))
434 (unless (setq response (elmo-pop3-read-contents
435 (current-buffer) process))
436 (error "POP UIDL failed"))
437 (elmo-pop3-parse-uidl-response response)))))
439 (defun elmo-pop3-read-contents (buffer process)
440 (with-current-buffer buffer
441 (let ((case-fold-search nil)
443 (goto-char elmo-pop3-read-point)
444 (while (not (re-search-forward "^\\.\r\n" nil t))
445 (accept-process-output process 1)
446 (goto-char elmo-pop3-read-point))
447 (setq match-end (point))
449 (buffer-substring elmo-pop3-read-point
452 (luna-define-method elmo-folder-expand-msgdb-path ((folder elmo-pop3-folder))
453 (convert-standard-filename
455 (elmo-safe-filename (elmo-net-folder-user-internal folder))
456 (expand-file-name (elmo-net-folder-server-internal folder)
459 elmo-msgdb-directory)))))
461 (luna-define-method elmo-folder-exists-p ((folder elmo-pop3-folder))
462 (if (and elmo-pop3-exists-exactly
463 (elmo-folder-plugged-p folder))
465 (let (elmo-auto-change-plugged ; don't change plug status.
466 (elmo-inhibit-number-mapping t) ; No need to use uidl.
469 (setq session (elmo-pop3-get-session folder))
471 (elmo-network-close-session session)))))
472 (file-directory-p (elmo-folder-msgdb-path folder))))
474 (defun elmo-pop3-parse-uidl-response (string)
475 (let ((buffer (current-buffer))
478 (let (number uid list)
480 (goto-char (point-min))
481 (while (re-search-forward "^\\([0-9]+\\)[\t ]+\\([^ \n]+\\)$" nil t)
482 (setq number (elmo-match-buffer 1))
483 (setq uid (elmo-match-buffer 2))
484 (with-current-buffer buffer
485 (elmo-set-hash-val uid number elmo-pop3-uidl-number-hash)
486 (elmo-set-hash-val (concat "#" number) uid
487 elmo-pop3-number-uidl-hash))
488 (setq list (cons uid list)))
489 (with-current-buffer buffer (setq elmo-pop3-uidl-done t))
492 (defun elmo-pop3-parse-list-response (string)
493 (let ((buffer (current-buffer))
498 (goto-char (point-min))
499 (while (re-search-forward "^\\([0-9]+\\)[\t ]+\\([0-9]+\\)$" nil t)
502 (cons (elmo-match-buffer 1)
503 (elmo-match-buffer 2))
505 (setq count (1+ count)))
506 (with-current-buffer buffer
507 (setq elmo-pop3-size-hash (elmo-make-hash (* (length alist) 2)))
509 (elmo-set-hash-val (concat "#" (car (car alist)))
512 (setq alist (cdr alist)))
513 (setq elmo-pop3-list-done t))
516 (defun elmo-pop3-list-location (folder)
517 (with-current-buffer (process-buffer
518 (elmo-network-session-process-internal
519 (elmo-pop3-get-session folder)))
521 (if elmo-pop3-uidl-done
525 (setq locations (cons (symbol-name atom) locations)))
526 elmo-pop3-uidl-number-hash)
529 (< (elmo-pop3-uidl-to-number loc1)
530 (elmo-pop3-uidl-to-number loc2)))))
531 (error "POP3: Error in UIDL")))))
533 (defun elmo-pop3-list-folder-by-location (folder locations)
534 (let* ((location-alist (elmo-pop3-folder-location-alist-internal folder))
535 (locations-in-db (mapcar 'cdr location-alist))
536 result new-locs new-alist deleted-locs i)
538 (elmo-delete-if (function
539 (lambda (x) (member x locations-in-db)))
542 (elmo-delete-if (function
543 (lambda (x) (member x locations)))
545 (setq i (or (elmo-max-of-list (mapcar 'car location-alist)) 0))
550 (delq (rassoc x location-alist) location-alist))))
554 (setq new-alist (cons (cons i (car new-locs)) new-alist))
555 (setq new-locs (cdr new-locs)))
556 (setq result (nconc location-alist new-alist))
557 (setq result (sort result (lambda (x y) (< (car x)(car y)))))
558 (elmo-pop3-folder-set-location-alist-internal folder result)
559 (mapcar 'car result)))
561 (defun elmo-pop3-list-by-uidl-subr (folder &optional nonsort)
562 (let ((flist (elmo-pop3-list-folder-by-location
564 (elmo-pop3-list-location folder))))
566 (cons (elmo-max-of-list flist) (length flist))
569 (defun elmo-pop3-list-by-list (folder)
570 (with-current-buffer (process-buffer
571 (elmo-network-session-process-internal
572 (elmo-pop3-get-session folder)))
574 (if elmo-pop3-list-done
576 (mapatoms (lambda (atom)
577 (setq list (cons (string-to-int
578 (substring (symbol-name atom) 1))
582 (error "POP3: Error in list")))))
584 (defsubst elmo-pop3-folder-list-messages (folder)
585 (if (and (not elmo-inhibit-number-mapping)
586 (elmo-pop3-folder-use-uidl-internal folder))
587 (elmo-pop3-list-by-uidl-subr folder)
588 (elmo-pop3-list-by-list folder)))
590 (luna-define-method elmo-folder-list-messages-plugged
591 ((folder elmo-pop3-folder) &optional nohide)
592 (elmo-pop3-folder-list-messages folder))
594 (luna-define-method elmo-folder-status ((folder elmo-pop3-folder))
595 (elmo-folder-open-internal folder)
596 (elmo-folder-check folder)
597 (if (elmo-pop3-folder-use-uidl-internal folder)
599 (elmo-pop3-list-by-uidl-subr folder 'nonsort)
600 (elmo-folder-close-internal folder))
602 (elmo-network-session-process-internal
603 (elmo-pop3-get-session folder)))
606 (with-current-buffer (process-buffer process)
607 (elmo-pop3-send-command process "STAT")
608 (setq response (elmo-pop3-read-response process))
609 ;; response: "^\+OK 2 7570$"
610 (if (not (string-match "^\+OK[ \t]*\\([0-9]*\\)" response))
611 (error "POP STAT command failed")
614 (substring response (match-beginning 1)(match-end 1 ))))
615 (elmo-folder-close-internal folder)
616 (cons total total))))))
618 (defvar elmo-pop3-header-fetch-chop-length 200)
620 (defsubst elmo-pop3-next-result-arrived-p ()
622 ((eq (following-char) ?+)
623 (if (re-search-forward "\n\\.\r?\n" nil t)
627 (if (search-forward "\n" nil t)
633 (defun elmo-pop3-retrieve-headers (buffer tobuffer process articles)
637 (let ((number (length articles))
640 (last-point (point-min)))
641 ;; Send HEAD commands.
643 (elmo-pop3-send-command process (format
644 "top %s 0" (car articles))
646 ;;; (accept-process-output process 1)
647 (setq articles (cdr articles))
648 (setq count (1+ count))
649 ;; Every 200 requests we have to read the stream in
650 ;; order to avoid deadlocks.
651 (when (or elmo-pop3-send-command-synchronously
652 (null articles) ;All requests have been sent.
653 (zerop (% count elmo-pop3-header-fetch-chop-length)))
654 (unless elmo-pop3-send-command-synchronously
655 (accept-process-output process 1))
659 (goto-char last-point)
661 (while (elmo-pop3-next-result-arrived-p)
662 (setq last-point (point))
663 (setq received (1+ received)))
665 (when (> number elmo-display-progress-threshold)
666 (if (or (zerop (% received 5)) (= received number))
667 (elmo-display-progress
668 'elmo-pop3-retrieve-headers "Getting headers..."
669 (/ (* received 100) number))))
670 (accept-process-output process 1)
671 ;;; (accept-process-output process)
673 ;; Remove all "\r"'s.
674 (goto-char (point-min))
675 (while (search-forward "\r\n" nil t)
676 (replace-match "\n"))
677 (copy-to-buffer tobuffer (point-min) (point-max)))))
679 (luna-define-method elmo-folder-msgdb-create ((folder elmo-pop3-folder)
681 already-mark seen-mark
682 important-mark seen-list)
683 (let ((process (elmo-network-session-process-internal
684 (elmo-pop3-get-session folder))))
685 (with-current-buffer (process-buffer process)
686 (elmo-pop3-sort-msgdb-by-original-number
688 (elmo-pop3-msgdb-create-by-header
691 new-mark already-mark
693 (if (elmo-pop3-folder-use-uidl-internal folder)
694 (elmo-pop3-folder-location-alist-internal folder)))))))
696 (defun elmo-pop3-sort-overview-by-original-number (overview loc-alist)
700 (< (elmo-pop3-uidl-to-number
701 (cdr (assq (elmo-msgdb-overview-entity-get-number ent1)
703 (elmo-pop3-uidl-to-number
704 (cdr (assq (elmo-msgdb-overview-entity-get-number ent2)
708 (defun elmo-pop3-sort-msgdb-by-original-number (folder msgdb)
709 (message "Sorting...")
710 (let ((overview (elmo-msgdb-get-overview msgdb)))
711 (setq overview (elmo-pop3-sort-overview-by-original-number
713 (elmo-pop3-folder-location-alist-internal folder)))
714 (message "Sorting...done")
715 (list overview (nth 1 msgdb)(nth 2 msgdb)(nth 3 msgdb))))
717 (defun elmo-pop3-uidl-to-number (uidl)
718 (string-to-number (elmo-get-hash-val uidl
719 elmo-pop3-uidl-number-hash)))
721 (defun elmo-pop3-number-to-uidl (number)
722 (elmo-get-hash-val (format "#%d" number)
723 elmo-pop3-number-uidl-hash))
725 (defun elmo-pop3-number-to-size (number)
726 (elmo-get-hash-val (format "#%d" number)
727 elmo-pop3-size-hash))
729 (defun elmo-pop3-msgdb-create-by-header (process numlist
730 new-mark already-mark
734 (let ((tmp-buffer (get-buffer-create " *ELMO Overview TMP*")))
735 (with-current-buffer (process-buffer process)
736 (if loc-alist ; use uidl.
742 (elmo-pop3-uidl-to-number (cdr (assq number loc-alist))))
744 (elmo-pop3-retrieve-headers (process-buffer process)
745 tmp-buffer process numlist)
747 (elmo-pop3-msgdb-create-message
752 new-mark already-mark seen-mark seen-list loc-alist)
753 (kill-buffer tmp-buffer)))))
755 (defun elmo-pop3-msgdb-create-message (buffer
758 numlist new-mark already-mark
763 (let (beg overview number-alist mark-alist
764 entity i number message-id gmark seen size)
766 (elmo-set-buffer-multibyte default-enable-multibyte-characters)
767 (goto-char (point-min))
769 (message "Creating msgdb...")
771 (setq beg (save-excursion (forward-line 1) (point)))
772 (elmo-pop3-next-result-arrived-p)
776 (narrow-to-region beg (point))
778 (elmo-msgdb-create-overview-from-buffer
780 (setq numlist (cdr numlist))
783 (elmo-msgdb-append-element
785 (with-current-buffer (process-buffer process)
786 (elmo-msgdb-overview-entity-set-size
789 (elmo-pop3-number-to-size
790 (elmo-msgdb-overview-entity-get-number entity))))
794 (elmo-pop3-number-to-uidl
795 (elmo-msgdb-overview-entity-get-number entity))
797 (elmo-msgdb-overview-entity-set-number entity number)))
799 (elmo-msgdb-number-add
801 (elmo-msgdb-overview-entity-get-number entity)
803 (setq message-id (car entity))
804 (setq seen (member message-id seen-list))
805 (if (setq gmark (or (elmo-msgdb-global-mark-get message-id)
806 (if (elmo-file-cache-status
807 (elmo-file-cache-get message-id))
812 (if elmo-pop3-use-cache
816 (elmo-msgdb-mark-append
818 (elmo-msgdb-overview-entity-get-number entity)
820 (when (> num elmo-display-progress-threshold)
822 (if (or (zerop (% i 5)) (= i num))
823 (elmo-display-progress
824 'elmo-pop3-msgdb-create-message "Creating msgdb..."
825 (/ (* i 100) num)))))
826 (list overview number-alist mark-alist))))
828 (defun elmo-pop3-read-body (process outbuf)
829 (with-current-buffer (process-buffer process)
830 (let ((start elmo-pop3-read-point)
833 (while (not (re-search-forward "^\\.\r?\n" nil t))
834 (accept-process-output process 1)
837 (with-current-buffer outbuf
839 (insert-buffer-substring (process-buffer process) start (- end 3)))
842 (luna-define-method elmo-folder-open-internal ((folder elmo-pop3-folder))
843 (if (and (not elmo-inhibit-number-mapping)
844 (elmo-pop3-folder-use-uidl-internal folder))
845 (elmo-pop3-folder-set-location-alist-internal
846 folder (elmo-msgdb-location-load (elmo-folder-msgdb-path folder)))))
848 (luna-define-method elmo-folder-commit :after ((folder elmo-pop3-folder))
849 (when (elmo-folder-persistent-p folder)
850 (elmo-msgdb-location-save (elmo-folder-msgdb-path folder)
851 (elmo-pop3-folder-location-alist-internal
854 (luna-define-method elmo-folder-close-internal ((folder elmo-pop3-folder))
855 (elmo-pop3-folder-set-location-alist-internal folder nil)
856 ;; Just close connection
857 (elmo-folder-check folder))
859 (luna-define-method elmo-message-fetch-plugged ((folder elmo-pop3-folder)
863 (let* ((loc-alist (elmo-pop3-folder-location-alist-internal folder))
864 (process (elmo-network-session-process-internal
865 (elmo-pop3-get-session folder)))
866 size response errmsg msg)
867 (with-current-buffer (process-buffer process)
869 (setq number (elmo-pop3-uidl-to-number
870 (cdr (assq number loc-alist)))))
871 (setq size (string-to-number
872 (elmo-pop3-number-to-size number)))
874 (elmo-pop3-send-command process
875 (format "retr %s" number))
876 (unless elmo-inhibit-display-retrieval-progress
877 (setq elmo-pop3-total-size size)
878 (elmo-display-progress
879 'elmo-display-retrieval-progress
880 (format "Retrieving (0/%d bytes)..." elmo-pop3-total-size)
884 (when (null (setq response (elmo-pop3-read-response
886 (error "Fetching message failed"))
887 (setq response (elmo-pop3-read-body process outbuf)))
888 (setq elmo-pop3-total-size nil))
889 (unless elmo-inhibit-display-retrieval-progress
890 (elmo-display-progress
891 'elmo-display-retrieval-progress
892 "Retrieving..." 100) ; remove progress bar.
893 (message "Retrieving...done"))
895 (goto-char (point-min))
896 (while (re-search-forward "^\\." nil t)
901 (defun elmo-pop3-delete-msg (process number loc-alist)
902 (with-current-buffer (process-buffer process)
903 (let (response errmsg msg)
905 (setq number (elmo-pop3-uidl-to-number
906 (cdr (assq number loc-alist)))))
909 (elmo-pop3-send-command process
910 (format "dele %s" number))
911 (when (null (setq response (elmo-pop3-read-response
913 (error "Deleting message failed")))
914 (error "Deleting message failed")))))
916 (luna-define-method elmo-folder-delete-messages-plugged
917 ((folder elmo-pop3-folder) msgs)
918 (let ((loc-alist (elmo-pop3-folder-location-alist-internal folder))
919 (process (elmo-network-session-process-internal
920 (elmo-pop3-get-session folder))))
921 (mapcar '(lambda (msg) (elmo-pop3-delete-msg
922 process msg loc-alist))
925 (luna-define-method elmo-message-use-cache-p ((folder elmo-pop3-folder) number)
928 (luna-define-method elmo-folder-persistent-p ((folder elmo-pop3-folder))
929 (and (elmo-folder-persistent-internal folder)
930 (elmo-pop3-folder-use-uidl-internal folder)))
932 (luna-define-method elmo-folder-clear :around ((folder elmo-pop3-folder)
933 &optional keep-killed)
935 (elmo-pop3-folder-set-location-alist-internal folder nil))
936 (luna-call-next-method))
938 (luna-define-method elmo-folder-check ((folder elmo-pop3-folder))
939 (if (elmo-folder-plugged-p folder)
940 (let ((session (elmo-pop3-get-session folder 'if-exists)))
942 (elmo-network-close-session session)))))
945 (product-provide (provide 'elmo-pop3) (require 'elmo-version))
947 ;;; elmo-pop3.el ends here