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 (defcustom elmo-pop3-exists-exactly nil
60 "If non-nil, POP3 folder existence is checked everytime before the session."
64 (defconst elmo-pop3-folder-name-syntax `(([user ".+"])
66 (?: [uidl "^[A-Za-z]+$"])
67 ,@elmo-net-folder-name-syntax))
69 (defvar sasl-mechanism-alist)
71 (defvar elmo-pop3-total-size nil)
74 (defvar elmo-pop3-debug nil
75 "Non-nil forces POP3 folder as debug mode.
76 Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
79 (defsubst elmo-pop3-debug (message &rest args)
81 (let ((biff (string-match "BIFF-" (buffer-name)))
83 (with-current-buffer (get-buffer-create (concat "*POP3 DEBUG*"
85 (goto-char (point-max))
87 (insert (apply 'format message args) "\n")))))
91 (luna-define-class elmo-pop3-folder (elmo-net-folder)
92 (use-uidl location-alist))
93 (luna-define-internal-accessors 'elmo-pop3-folder))
95 (luna-define-method elmo-folder-initialize ((folder elmo-pop3-folder) name)
96 (let ((elmo-network-stream-type-alist
97 (if elmo-pop3-stream-type-alist
98 (append elmo-pop3-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-pop3-folder-name-syntax)))
106 (elmo-net-folder-set-user-internal folder
107 (or (cdr (assq 'user tokens))
108 elmo-pop3-default-user))
110 (setq auth (cdr (assq 'auth tokens)))
111 (elmo-net-folder-set-auth-internal folder
113 (intern (downcase auth))
114 elmo-pop3-default-authenticate-type))
116 (setq uidl (cdr (assq 'uidl tokens)))
117 (elmo-pop3-folder-set-use-uidl-internal folder
119 (string= uidl "uidl")
120 elmo-pop3-default-use-uidl))
122 (elmo-net-folder-set-parameters
125 (list :server elmo-pop3-default-server
126 :port elmo-pop3-default-port
128 (elmo-get-network-stream-type elmo-pop3-default-stream-type)))
132 (luna-define-class elmo-pop3-session (elmo-network-session) ())
135 (defvar elmo-pop3-read-point nil)
136 (defvar elmo-pop3-number-uidl-hash nil) ; number -> uidl
137 (defvar elmo-pop3-uidl-number-hash nil) ; uidl -> number
138 (defvar elmo-pop3-size-hash nil) ; number -> size
139 (defvar elmo-pop3-uidl-done nil)
140 (defvar elmo-pop3-list-done nil)
141 (defvar elmo-pop3-lock nil)
143 (defvar elmo-pop3-local-variables '(elmo-pop3-read-point
144 elmo-pop3-uidl-number-hash
145 elmo-pop3-number-uidl-hash
151 (luna-define-method elmo-network-close-session ((session elmo-pop3-session))
152 (when (elmo-network-session-process-internal session)
153 (when (memq (process-status
154 (elmo-network-session-process-internal session))
156 (elmo-pop3-send-command (elmo-network-session-process-internal session)
159 (or (cdr (elmo-pop3-read-response
160 (elmo-network-session-process-internal session)
162 (error "POP error: QUIT failed")))
163 (kill-buffer (process-buffer
164 (elmo-network-session-process-internal session)))
165 (delete-process (elmo-network-session-process-internal session))))
167 (defun elmo-pop3-get-session (folder &optional if-exists)
168 "Get POP3 session for FOLDER.
169 If IF-EXISTS is non-nil, don't get new session.
170 If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
171 (let ((elmo-pop3-use-uidl-internal (if elmo-inhibit-number-mapping
173 (elmo-pop3-folder-use-uidl-internal
176 (if (eq if-exists 'any-exists)
177 (or (elmo-network-get-session 'elmo-pop3-session
180 (elmo-network-get-session 'elmo-pop3-session
183 (elmo-network-get-session 'elmo-pop3-session
185 (if (elmo-folder-biff-internal folder)
189 ;; For saving existency.
190 (unless (file-exists-p (elmo-folder-msgdb-path folder))
191 (elmo-make-directory (elmo-folder-msgdb-path folder))))))
193 (defun elmo-pop3-send-command (process command &optional no-erase no-log)
194 (with-current-buffer (process-buffer process)
197 (goto-char (point-min))
198 (setq elmo-pop3-read-point (point))
199 (elmo-pop3-debug "SEND: %s\n" (if no-log "<NO LOGGING>" command))
200 (process-send-string process (concat command "\r\n"))))
202 (defun elmo-pop3-read-response (process &optional not-command)
203 "Read response and return a cons cell of \(CODE . BODY\).
204 PROCESS is the process to read response from.
205 If optional NOT-COMMAND is non-nil, read only the first line.
206 CODE is one of the following:
207 'ok ... response is OK.
208 'err ... response is ERROR.
209 'login-delay ... user is not allowed to login until the login delay
211 'in-use ... authentication was successful but the mailbox is in use."
212 ;; buffer is in case for process is dead.
213 (with-current-buffer (process-buffer process)
214 (let ((case-fold-search nil)
215 (response-string nil)
216 (response-continue t)
220 (while response-continue
221 (goto-char elmo-pop3-read-point)
222 (while (not (re-search-forward "\r?\n" nil t))
223 (accept-process-output process 1)
224 (goto-char elmo-pop3-read-point))
225 (setq match-end (point))
226 (setq response-string
227 (buffer-substring elmo-pop3-read-point (- match-end 2)))
228 (goto-char elmo-pop3-read-point)
229 (if (looking-at "\\+.*$")
231 (setq response-continue nil)
232 (setq elmo-pop3-read-point match-end)
235 (concat return-value "\n" response-string)
237 (if (looking-at "\\-.*$")
239 (when (looking-at "[^ ]+ \\[\\([^]]+\\)\\]")
243 (buffer-substring (match-beginning 1)
246 response-continue nil
247 elmo-pop3-read-point match-end
248 return-value (cons (or return-value 'err) nil)))
249 (setq elmo-pop3-read-point match-end)
251 (setq response-continue nil))
254 (concat return-value "\n" response-string)
256 (setq elmo-pop3-read-point match-end)))
259 (cons 'ok return-value)))))
261 (defun elmo-pop3-process-filter (process output)
262 (when (buffer-live-p (process-buffer process))
263 (with-current-buffer (process-buffer process)
264 (goto-char (point-max))
266 (elmo-pop3-debug "RECEIVED: %s\n" output)
267 (if (and elmo-pop3-total-size
268 (> elmo-pop3-total-size
269 (min elmo-display-retrieval-progress-threshold 100)))
270 (elmo-display-progress
271 'elmo-display-retrieval-progress
272 (format "Retrieving (%d/%d bytes)..."
274 elmo-pop3-total-size)
275 (/ (buffer-size) (/ elmo-pop3-total-size 100)))))))
277 (defun elmo-pop3-auth-user (session)
278 (let ((process (elmo-network-session-process-internal session))
281 (elmo-pop3-send-command
283 (format "user %s" (elmo-network-session-user-internal session))
285 (setq response (elmo-pop3-read-response process t))
286 (unless (eq (car response) 'ok)
287 (delete-process process)
288 (signal 'elmo-open-error '(elmo-pop-auth-user)))
289 (elmo-pop3-send-command process
293 (elmo-network-session-password-key session)))
295 (setq response (elmo-pop3-read-response process t))
296 (unless (eq (car response) 'ok)
297 (delete-process process)
298 (unless (eq 'ok (car response))
299 (if (or (eq (car response) 'in-use)
300 (eq (car response) 'login-delay))
301 (error (cond ((eq (car response) 'in-use)
302 "Maildrop is currently in use")
303 ((eq (car response) 'login-delay)
304 "Not allowed to login \
305 until the login delay period has expired")))
306 (signal 'elmo-authenticate-error
307 '(elmo-pop-auth-user)))))
310 (defun elmo-pop3-auth-apop (session)
311 (if (string-match "^\+OK .*\\(<[^\>]+>\\)"
312 (elmo-network-session-greeting-internal session))
313 ;; good, APOP ready server
315 (elmo-pop3-send-command
316 (elmo-network-session-process-internal session)
318 (elmo-network-session-user-internal session)
320 (concat (match-string
322 (elmo-network-session-greeting-internal session))
324 (elmo-network-session-password-key session)))))
326 (let ((response (elmo-pop3-read-response
327 (elmo-network-session-process-internal session)
329 (unless (eq (car response) 'ok)
330 (delete-process (elmo-network-session-process-internal session))
331 (unless (eq 'ok (car response))
332 (if (or (eq (car response) 'in-use)
333 (eq (car response) 'login-delay))
334 (error (cond ((eq (car response) 'in-use)
335 "Maildrop is currently in use")
336 ((eq (car response) 'login-delay)
337 "Not allowed to login \
338 until the login delay period has expired")))
339 (signal 'elmo-authenticate-error
340 '(elmo-pop-auth-apop)))))
342 (signal 'elmo-open-error '(elmo-pop3-auth-apop))))
344 (luna-define-method elmo-network-initialize-session-buffer :after
345 ((session elmo-pop3-session) buffer)
346 (with-current-buffer buffer
347 (mapcar 'make-variable-buffer-local elmo-pop3-local-variables)))
349 (luna-define-method elmo-network-initialize-session ((session
351 (let ((process (elmo-network-session-process-internal session))
353 (with-current-buffer (process-buffer process)
354 (set-process-filter process 'elmo-pop3-process-filter)
355 (setq elmo-pop3-read-point (point-min))
356 ;; Skip garbage output from process before greeting.
357 (while (and (memq (process-status process) '(open run))
358 (goto-char (point-max))
360 (not (looking-at "+OK")))
361 (accept-process-output process 1))
362 (setq elmo-pop3-read-point (point))
363 (or (elmo-network-session-set-greeting-internal
365 (cdr (elmo-pop3-read-response process t))) ; if ok, cdr is non-nil.
366 (signal 'elmo-open-error
367 '(elmo-network-intialize-session)))
368 (when (eq (elmo-network-stream-type-symbol
369 (elmo-network-session-stream-type-internal session))
371 (elmo-pop3-send-command process "stls")
372 (if (eq 'ok (car (elmo-pop3-read-response process)))
373 (starttls-negotiate process)
374 (signal 'elmo-open-error '(elmo-pop3-starttls-error)))))))
376 (luna-define-method elmo-network-authenticate-session ((session
378 (with-current-buffer (process-buffer
379 (elmo-network-session-process-internal session))
380 (let* ((process (elmo-network-session-process-internal session))
381 (auth (elmo-network-session-auth-internal session))
382 (auth (mapcar '(lambda (mechanism) (upcase (symbol-name mechanism)))
383 (if (listp auth) auth (list auth))))
385 client name step response mechanism
386 sasl-read-passphrase)
387 (or (and (string= "USER" (car auth))
388 (elmo-pop3-auth-user session))
389 (and (string= "APOP" (car auth))
390 (elmo-pop3-auth-apop session))
393 (setq sasl-mechanisms (mapcar 'car sasl-mechanism-alist))
394 (setq mechanism (sasl-find-mechanism auth))
396 (signal 'elmo-authenticate-error '(elmo-pop3-auth-no-mechanisms)))
400 (elmo-network-session-user-internal session)
402 (elmo-network-session-server-internal session)))
403 ;;; (if elmo-pop3-auth-user-realm
404 ;;; (sasl-client-set-property client 'realm elmo-pop3-auth-user-realm))
405 (setq name (sasl-mechanism-name mechanism))
406 (elmo-network-session-set-auth-internal session
407 (intern (downcase name)))
408 (setq sasl-read-passphrase
412 (elmo-network-session-password-key session)))))
413 (setq step (sasl-next-step client nil))
414 (elmo-pop3-send-command
417 (and (sasl-step-data step)
420 (elmo-base64-encode-string
421 (sasl-step-data step) 'no-line-break))))
425 (setq response (elmo-pop3-read-response process t))
426 (unless (eq 'ok (car response))
427 (if (or (eq (car response) 'in-use)
428 (eq (car response) 'login-delay))
429 (error (cond ((eq (car response) 'in-use)
430 "Maildrop is currently in use")
431 ((eq (car response) 'login-delay)
432 "Not allowed to login \
433 until the login delay period has expired")))
434 (signal 'elmo-authenticate-error
435 (list (intern (concat "elmo-pop3-auth-"
436 (downcase name)))))))
437 (if (sasl-next-step client step)
439 (signal 'elmo-authenticate-error
441 (concat "elmo-pop3-auth-"
443 ;; The authentication process is finished.
447 (elmo-base64-decode-string
448 (cadr (split-string response " "))))
449 (setq step (sasl-next-step client step))
450 (elmo-pop3-send-command
452 (if (sasl-step-data step)
453 (elmo-base64-encode-string (sasl-step-data step)
455 "") nil 'no-log))))))))
457 (luna-define-method elmo-network-setup-session ((session
459 (let ((process (elmo-network-session-process-internal session))
461 (with-current-buffer (process-buffer process)
462 (setq elmo-pop3-size-hash (elmo-make-hash 31))
463 ;; To get obarray of uidl and size
464 (elmo-pop3-send-command process "list")
465 (if (null (cdr (elmo-pop3-read-response process)))
466 (error "POP LIST command failed"))
467 (if (null (setq response
468 (elmo-pop3-read-contents process)))
469 (error "POP LIST command failed"))
470 ;; POP server always returns a sequence of serial numbers.
471 (setq count (elmo-pop3-parse-list-response response))
473 (when elmo-pop3-use-uidl-internal
474 (setq elmo-pop3-uidl-number-hash (elmo-make-hash (* count 2)))
475 (setq elmo-pop3-number-uidl-hash (elmo-make-hash (* count 2)))
477 (elmo-pop3-send-command process "uidl")
478 (unless (cdr (elmo-pop3-read-response process))
479 (error "POP UIDL failed"))
480 (unless (setq response (elmo-pop3-read-contents process))
481 (error "POP UIDL failed"))
482 (elmo-pop3-parse-uidl-response response)))))
484 (defun elmo-pop3-read-contents (process)
485 (with-current-buffer (process-buffer process)
486 (let ((case-fold-search nil)
488 (goto-char elmo-pop3-read-point)
489 (while (not (re-search-forward "^\\.\r\n" nil t))
490 (accept-process-output process 1)
491 (goto-char elmo-pop3-read-point))
492 (setq match-end (point))
494 (buffer-substring elmo-pop3-read-point
497 (luna-define-method elmo-folder-expand-msgdb-path ((folder elmo-pop3-folder))
498 (convert-standard-filename
500 (elmo-safe-filename (elmo-net-folder-user-internal folder))
501 (expand-file-name (elmo-net-folder-server-internal folder)
504 elmo-msgdb-directory)))))
506 (luna-define-method elmo-folder-exists-p ((folder elmo-pop3-folder))
507 (if (and elmo-pop3-exists-exactly
508 (elmo-folder-plugged-p folder))
510 (let (elmo-auto-change-plugged ; don't change plug status.
511 (elmo-inhibit-number-mapping t) ; No need to use uidl.
514 (setq session (elmo-pop3-get-session folder))
516 (elmo-network-close-session session)))))
517 (or (file-directory-p (elmo-folder-msgdb-path folder))
519 (when (elmo-folder-plugged-p folder)
520 (let ((elmo-pop3-exists-exactly t))
521 (elmo-folder-exists-p folder))))))
523 (defun elmo-pop3-parse-uidl-response (string)
524 (let ((buffer (current-buffer))
527 (let (number uid list)
529 (goto-char (point-min))
530 (while (re-search-forward "^\\([0-9]+\\)[\t ]+\\([^ \n]+\\)$" nil t)
531 (setq number (elmo-match-buffer 1))
532 (setq uid (elmo-match-buffer 2))
533 (with-current-buffer buffer
534 (elmo-set-hash-val uid number elmo-pop3-uidl-number-hash)
535 (elmo-set-hash-val (concat "#" number) uid
536 elmo-pop3-number-uidl-hash))
537 (setq list (cons uid list)))
538 (with-current-buffer buffer (setq elmo-pop3-uidl-done t))
541 (defun elmo-pop3-parse-list-response (string)
542 (let ((buffer (current-buffer))
547 (goto-char (point-min))
548 (while (re-search-forward "^\\([0-9]+\\)[\t ]+\\([0-9]+\\)$" nil t)
551 (cons (elmo-match-buffer 1)
552 (elmo-match-buffer 2))
554 (setq count (1+ count)))
555 (with-current-buffer buffer
556 (setq elmo-pop3-size-hash (elmo-make-hash (* (length alist) 2)))
558 (elmo-set-hash-val (concat "#" (car (car alist)))
561 (setq alist (cdr alist)))
562 (setq elmo-pop3-list-done t))
565 (defun elmo-pop3-list-location (folder)
566 (with-current-buffer (process-buffer
567 (elmo-network-session-process-internal
568 (elmo-pop3-get-session folder)))
570 (if elmo-pop3-uidl-done
574 (setq locations (cons (symbol-name atom) locations)))
575 elmo-pop3-uidl-number-hash)
578 (< (elmo-pop3-uidl-to-number loc1)
579 (elmo-pop3-uidl-to-number loc2)))))
580 (error "POP3: Error in UIDL")))))
582 (defun elmo-pop3-list-folder-by-location (folder locations)
583 (let* ((location-alist (elmo-pop3-folder-location-alist-internal folder))
584 (locations-in-db (mapcar 'cdr location-alist))
585 result new-locs new-alist deleted-locs i)
587 (elmo-delete-if (function
588 (lambda (x) (member x locations-in-db)))
591 (elmo-delete-if (function
592 (lambda (x) (member x locations)))
594 (setq i (or (elmo-max-of-list (mapcar 'car location-alist)) 0))
599 (delq (rassoc x location-alist) location-alist))))
603 (setq new-alist (cons (cons i (car new-locs)) new-alist))
604 (setq new-locs (cdr new-locs)))
605 (setq result (nconc location-alist new-alist))
606 (setq result (sort result (lambda (x y) (< (car x)(car y)))))
607 (elmo-pop3-folder-set-location-alist-internal folder result)
608 (mapcar 'car result)))
610 (defun elmo-pop3-list-by-uidl-subr (folder &optional nonsort)
611 (let ((flist (elmo-pop3-list-folder-by-location
613 (elmo-pop3-list-location folder))))
615 (cons (elmo-max-of-list flist) (length flist))
618 (defun elmo-pop3-list-by-list (folder)
619 (with-current-buffer (process-buffer
620 (elmo-network-session-process-internal
621 (elmo-pop3-get-session folder)))
623 (if elmo-pop3-list-done
625 (mapatoms (lambda (atom)
626 (setq list (cons (string-to-int
627 (substring (symbol-name atom) 1))
631 (error "POP3: Error in list")))))
633 (defsubst elmo-pop3-folder-list-messages (folder)
634 (if (and (not elmo-inhibit-number-mapping)
635 (elmo-pop3-folder-use-uidl-internal folder))
636 (elmo-pop3-list-by-uidl-subr folder)
637 (elmo-pop3-list-by-list folder)))
639 (luna-define-method elmo-folder-list-messages-plugged
640 ((folder elmo-pop3-folder) &optional nohide)
641 (elmo-pop3-folder-list-messages folder))
643 (luna-define-method elmo-folder-status ((folder elmo-pop3-folder))
644 (elmo-folder-open-internal folder)
645 (elmo-folder-check folder)
646 (if (elmo-pop3-folder-use-uidl-internal folder)
648 (elmo-pop3-list-by-uidl-subr folder 'nonsort)
649 (elmo-folder-close-internal folder))
651 (elmo-network-session-process-internal
652 (elmo-pop3-get-session folder)))
655 (with-current-buffer (process-buffer process)
656 (elmo-pop3-send-command process "STAT")
657 (setq response (cdr (elmo-pop3-read-response process)))
658 ;; response: "^\+OK 2 7570$"
659 (if (not (string-match "^\+OK[ \t]*\\([0-9]*\\)" response))
660 (error "POP STAT command failed")
663 (substring response (match-beginning 1)(match-end 1 ))))
664 (elmo-folder-close-internal folder)
665 (cons total total))))))
667 (defvar elmo-pop3-header-fetch-chop-length 200)
669 (defsubst elmo-pop3-next-result-arrived-p ()
671 ((eq (following-char) ?+)
672 (if (re-search-forward "\n\\.\r?\n" nil t)
676 (if (search-forward "\n" nil t)
682 (defun elmo-pop3-retrieve-headers (process tobuffer articles)
684 (set-buffer (process-buffer process))
686 (let ((number (length articles))
689 (last-point (point-min)))
690 ;; Send HEAD commands.
692 (elmo-pop3-send-command process (format
693 "top %s 0" (car articles))
695 ;;; (accept-process-output process 1)
696 (setq articles (cdr articles))
697 (setq count (1+ count))
698 ;; Every 200 requests we have to read the stream in
699 ;; order to avoid deadlocks.
700 (when (or elmo-pop3-send-command-synchronously
701 (null articles) ;All requests have been sent.
702 (zerop (% count elmo-pop3-header-fetch-chop-length)))
703 (unless elmo-pop3-send-command-synchronously
704 (accept-process-output process 1))
707 (goto-char last-point)
709 (while (elmo-pop3-next-result-arrived-p)
710 (setq last-point (point))
711 (setq received (1+ received)))
713 (when (> number elmo-display-progress-threshold)
714 (if (or (zerop (% received 5)) (= received number))
715 (elmo-display-progress
716 'elmo-pop3-retrieve-headers "Getting headers..."
717 (/ (* received 100) number))))
718 (accept-process-output process 1)
719 ;;; (accept-process-output process)
721 ;; Replace all CRLF with LF.
722 (elmo-delete-cr-buffer)
723 (copy-to-buffer tobuffer (point-min) (point-max)))))
725 (luna-define-method elmo-folder-msgdb-create ((folder elmo-pop3-folder)
727 (let ((process (elmo-network-session-process-internal
728 (elmo-pop3-get-session folder))))
729 (with-current-buffer (process-buffer process)
730 (elmo-pop3-sort-msgdb-by-original-number
732 (elmo-pop3-msgdb-create-by-header
737 (if (elmo-pop3-folder-use-uidl-internal folder)
738 (elmo-pop3-folder-location-alist-internal folder)))))))
740 (defun elmo-pop3-sort-msgdb-by-original-number (folder msgdb)
741 (let ((location-alist (elmo-pop3-folder-location-alist-internal folder)))
743 (elmo-msgdb-sort-entities
745 (lambda (ent1 ent2 loc-alist)
746 (< (elmo-pop3-uidl-to-number
747 (cdr (assq (elmo-message-entity-number ent1)
749 (elmo-pop3-uidl-to-number
750 (cdr (assq (elmo-message-entity-number ent2)
755 (defun elmo-pop3-uidl-to-number (uidl)
756 (string-to-number (elmo-get-hash-val uidl
757 elmo-pop3-uidl-number-hash)))
759 (defun elmo-pop3-number-to-uidl (number)
760 (elmo-get-hash-val (format "#%d" number)
761 elmo-pop3-number-uidl-hash))
763 (defun elmo-pop3-number-to-size (number)
764 (elmo-get-hash-val (format "#%d" number)
765 elmo-pop3-size-hash))
767 (defun elmo-pop3-msgdb-create-by-header (folder process numlist
770 (let ((tmp-buffer (get-buffer-create " *ELMO Overview TMP*")))
771 (with-current-buffer (process-buffer process)
772 (if loc-alist ; use uidl.
778 (elmo-pop3-uidl-to-number (cdr (assq number loc-alist))))
780 (elmo-pop3-retrieve-headers process tmp-buffer numlist)
782 (elmo-pop3-msgdb-create-message
788 flag-table loc-alist)
789 (kill-buffer tmp-buffer)))))
791 (defun elmo-pop3-msgdb-create-message (folder
799 (let ((new-msgdb (elmo-make-msgdb))
800 beg entity i number message-id flags)
802 (set-buffer-multibyte default-enable-multibyte-characters)
803 (goto-char (point-min))
805 (message "Creating msgdb...")
807 (setq beg (save-excursion (forward-line 1) (point)))
808 (elmo-pop3-next-result-arrived-p)
812 (narrow-to-region beg (point))
814 (elmo-msgdb-create-message-entity-from-buffer
815 (elmo-msgdb-message-entity-handler new-msgdb)
817 (setq numlist (cdr numlist))
819 (with-current-buffer (process-buffer process)
820 (elmo-message-entity-set-field
824 (elmo-pop3-number-to-size
825 (elmo-message-entity-number entity))))
829 (elmo-pop3-number-to-uidl
830 (elmo-message-entity-number entity))
832 (elmo-message-entity-set-number entity number)))
833 (setq message-id (elmo-message-entity-field entity 'message-id)
834 flags (elmo-flag-table-get flag-table message-id))
835 (elmo-global-flags-set flags folder number message-id)
836 (elmo-msgdb-append-entity new-msgdb entity flags))))
837 (when (> num elmo-display-progress-threshold)
839 (if (or (zerop (% i 5)) (= i num))
840 (elmo-display-progress
841 'elmo-pop3-msgdb-create-message "Creating msgdb..."
842 (/ (* i 100) num)))))
845 (defun elmo-pop3-read-body (process outbuf)
846 (with-current-buffer (process-buffer process)
847 (let ((start elmo-pop3-read-point)
850 (while (not (re-search-forward "^\\.\r?\n" nil t))
851 (accept-process-output process 1)
854 (with-current-buffer outbuf
856 (insert-buffer-substring (process-buffer process) start (- end 3)))
859 (luna-define-method elmo-folder-open-internal ((folder elmo-pop3-folder))
860 (if (and (not elmo-inhibit-number-mapping)
861 (elmo-pop3-folder-use-uidl-internal folder))
862 (elmo-pop3-folder-set-location-alist-internal
863 folder (elmo-msgdb-location-load (elmo-folder-msgdb-path folder)))))
865 (luna-define-method elmo-folder-commit :after ((folder elmo-pop3-folder))
866 (when (elmo-folder-persistent-p folder)
867 (elmo-msgdb-location-save (elmo-folder-msgdb-path folder)
868 (elmo-pop3-folder-location-alist-internal
871 (luna-define-method elmo-folder-close-internal ((folder elmo-pop3-folder))
872 (elmo-pop3-folder-set-location-alist-internal folder nil)
873 ;; Just close connection
874 (elmo-folder-check folder))
876 (luna-define-method elmo-message-fetch-plugged ((folder elmo-pop3-folder)
880 (let* ((loc-alist (elmo-pop3-folder-location-alist-internal folder))
881 (process (elmo-network-session-process-internal
882 (elmo-pop3-get-session folder)))
883 size response errmsg msg)
884 (with-current-buffer (process-buffer process)
886 (setq number (elmo-pop3-uidl-to-number
887 (cdr (assq number loc-alist)))))
888 (setq size (string-to-number
889 (elmo-pop3-number-to-size number)))
891 (elmo-pop3-send-command process
892 (format "retr %s" number))
893 (unless elmo-inhibit-display-retrieval-progress
894 (setq elmo-pop3-total-size size)
895 (elmo-display-progress
896 'elmo-display-retrieval-progress
897 (format "Retrieving (0/%d bytes)..." elmo-pop3-total-size)
901 (when (null (setq response (cdr (elmo-pop3-read-response
903 (error "Fetching message failed"))
904 (setq response (elmo-pop3-read-body process outbuf)))
905 (setq elmo-pop3-total-size nil))
906 (unless elmo-inhibit-display-retrieval-progress
907 (elmo-display-progress
908 'elmo-display-retrieval-progress
909 "Retrieving..." 100) ; remove progress bar.
910 (message "Retrieving...done"))
912 (goto-char (point-min))
913 (while (re-search-forward "^\\." nil t)
916 (elmo-delete-cr-buffer)
919 (defun elmo-pop3-delete-msg (process number loc-alist)
920 (with-current-buffer (process-buffer process)
921 (let (response errmsg msg)
923 (setq number (elmo-pop3-uidl-to-number
924 (cdr (assq number loc-alist)))))
927 (elmo-pop3-send-command process
928 (format "dele %s" number))
929 (when (null (setq response (cdr (elmo-pop3-read-response
931 (error "Deleting message failed")))
932 (error "Deleting message failed")))))
934 (luna-define-method elmo-folder-delete-messages-plugged ((folder
937 (let ((loc-alist (elmo-pop3-folder-location-alist-internal folder))
938 (process (elmo-network-session-process-internal
939 (elmo-pop3-get-session folder))))
940 (mapcar '(lambda (msg) (elmo-pop3-delete-msg process msg loc-alist))
943 (luna-define-method elmo-message-use-cache-p ((folder elmo-pop3-folder) number)
946 (luna-define-method elmo-folder-persistent-p ((folder elmo-pop3-folder))
947 (and (elmo-folder-persistent-internal folder)
948 (elmo-pop3-folder-use-uidl-internal folder)))
950 (luna-define-method elmo-folder-clear :around ((folder elmo-pop3-folder)
951 &optional keep-killed)
953 (elmo-pop3-folder-set-location-alist-internal folder nil))
954 (luna-call-next-method))
956 (luna-define-method elmo-folder-check ((folder elmo-pop3-folder))
957 (if (elmo-folder-plugged-p folder)
958 (let ((session (elmo-pop3-get-session folder 'if-exists)))
960 (elmo-network-close-session session)))))
963 (product-provide (provide 'elmo-pop3) (require 'elmo-version))
965 ;;; elmo-pop3.el ends here