1 ;;; elmo-imap4.el --- IMAP4 Interface for ELMO.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Copyright (C) 1999,2000 Kenichi OKADA <okada@opaopa.org>
5 ;; Copyright (C) 2000 OKAZAKI Tetsurou <okazaki@be.to>
6 ;; Copyright (C) 2000 Daiki Ueno <ueno@unixuser.org>
8 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
9 ;; Kenichi OKADA <okada@opaopa.org>
10 ;; OKAZAKI Tetsurou <okazaki@be.to>
11 ;; Daiki Ueno <ueno@unixuser.org>
12 ;; Keywords: mail, net news
14 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
16 ;; This program is free software; you can redistribute it and/or modify
17 ;; it under the terms of the GNU General Public License as published by
18 ;; the Free Software Foundation; either version 2, or (at your option)
21 ;; This program is distributed in the hope that it will be useful,
22 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 ;; GNU General Public License for more details.
26 ;; You should have received a copy of the GNU General Public License
27 ;; along with GNU Emacs; see the file COPYING. If not, write to the
28 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
29 ;; Boston, MA 02111-1307, USA.
34 ;; Origin of IMAP parser part is imap.el, included in Gnus.
36 ;; Copyright (C) 1998, 1999, 2000
37 ;; Free Software Foundation, Inc.
38 ;; Author: Simon Josefsson <jas@pdc.kth.se>
52 (eval-when-compile (require 'cl))
54 (defvar elmo-imap4-disuse-server-flag-mailbox-regexp "^#mh" ; UW imapd
55 "Regexp to match IMAP4 mailbox names whose message flags on server should be ignored.
56 (Except `\\Deleted' flag).")
58 (defvar elmo-imap4-overview-fetch-chop-length 200
59 "*Number of overviews to fetch in one request.")
61 ;; c.f. rfc2683 3.2.1.5 Long Command Lines
63 ;; "A client should limit the length of the command lines it generates
64 ;; to approximately 1000 octets (including all quoted strings but not
65 ;; including literals). If the client is unable to group things into
66 ;; ranges so that the command line is within that length, it should
67 ;; split the request into multiple commands. The client should use
68 ;; literals instead of long quoted strings, in order to keep the command
70 ;; For its part, a server should allow for a command line of at least
71 ;; 8000 octets. This provides plenty of leeway for accepting reasonable
72 ;; length commands from clients. The server should send a BAD response
73 ;; to a command that does not end within the server's maximum accepted
76 ;; To limit command line length, chop number set.
77 (defvar elmo-imap4-number-set-chop-length 1000
78 "*Number of messages to specify as a number-set argument for one request.")
80 (defvar elmo-imap4-force-login nil
81 "*Non-nil forces to try 'login' if there is no 'auth' capability in imapd.")
83 (defvar elmo-imap4-use-select-to-update-status nil
84 "*Some imapd have to send select command to update status.
85 (ex. UW imapd 4.5-BETA?). For these imapd, you must set this variable t.")
87 (defvar elmo-imap4-use-modified-utf7 nil
88 "*Use mofidied UTF-7 (rfc2060) encoding for IMAP4 folder name.")
90 (defvar elmo-imap4-use-cache t
91 "Use cache in imap4 folder.")
93 (defvar elmo-imap4-extra-namespace-alist
94 '(("^{.*/nntp}.*$" . ".")) ; Default is for UW's remote nntp mailbox...
95 "Extra namespace alist. A list of cons cell like: (REGEXP . DELIMITER).")
97 ;;; internal variables
99 (defvar elmo-imap4-seq-prefix "elmo-imap4")
100 (defvar elmo-imap4-seqno 0)
101 (defvar elmo-imap4-use-uid t
102 "Use UID as message number.")
104 (defvar elmo-imap4-current-response nil)
105 (defvar elmo-imap4-status nil)
106 (defvar elmo-imap4-reached-tag "elmo-imap40")
108 ;;; buffer local variables
109 (defvar elmo-imap4-default-hierarchy-delimiter "/")
111 (defvar elmo-imap4-server-capability nil)
112 (defvar elmo-imap4-server-namespace nil)
114 (defvar elmo-imap4-parsing nil) ; indicates parsing.
116 (defvar elmo-imap4-fetch-callback nil)
117 (defvar elmo-imap4-fetch-callback-data nil)
118 (defvar elmo-imap4-status-callback nil)
119 (defvar elmo-imap4-status-callback-data nil)
121 (defvar elmo-imap4-server-diff-async-callback nil)
122 (defvar elmo-imap4-server-diff-async-callback-data nil)
124 ;;; progress...(no use?)
125 (defvar elmo-imap4-count-progress nil)
126 (defvar elmo-imap4-count-progress-message nil)
127 (defvar elmo-imap4-progress-count nil)
129 ;;; XXX Temporal implementation
130 (defvar elmo-imap4-current-msgdb nil)
131 (defvar elmo-imap4-seen-messages nil)
133 (defvar elmo-imap4-local-variables
135 elmo-imap4-current-response
138 elmo-imap4-reached-tag
139 elmo-imap4-count-progress
140 elmo-imap4-count-progress-message
141 elmo-imap4-progress-count
142 elmo-imap4-fetch-callback
143 elmo-imap4-fetch-callback-data
144 elmo-imap4-status-callback
145 elmo-imap4-status-callback-data
146 elmo-imap4-current-msgdb
147 elmo-imap4-seen-messages))
151 (defconst elmo-imap4-quoted-specials-list '(?\\ ?\"))
153 (defconst elmo-imap4-non-atom-char-regex
155 (concat "[^" "]!#$&'+,./0-9:;<=>?@A-Z[^_`a-z|}~-" "]")))
157 (defconst elmo-imap4-non-text-char-regex
160 "]\x01-\x09\x0b\x0c\x0e-\x1f\x7f !\"#$%&'()*+,./0-9:;<=>?@A-Z[\\^_`a-z{|}~-"
163 (defconst elmo-imap4-literal-threshold 1024
164 "Limitation of characters that can be used in a quoted string.")
167 (defvar elmo-imap4-debug nil
168 "Non-nil forces IMAP4 folder as debug mode.
169 Debug information is inserted in the buffer \"*IMAP4 DEBUG*\"")
171 (defvar elmo-imap4-debug-inhibit-logging nil)
173 ;;; ELMO IMAP4 folder
175 (luna-define-class elmo-imap4-folder (elmo-net-folder)
177 (luna-define-internal-accessors 'elmo-imap4-folder))
181 (luna-define-class elmo-imap4-session (elmo-network-session)
182 (capability current-mailbox read-only))
183 (luna-define-internal-accessors 'elmo-imap4-session))
185 ;;; MIME-ELMO-IMAP Location
187 (luna-define-class mime-elmo-imap-location
189 (folder number rawbuf strategy))
190 (luna-define-internal-accessors 'mime-elmo-imap-location))
193 (defsubst elmo-imap4-debug (message &rest args)
195 (with-current-buffer (get-buffer-create "*IMAP4 DEBUG*")
196 (goto-char (point-max))
197 (if elmo-imap4-debug-inhibit-logging
198 (insert "NO LOGGING\n")
199 (insert (apply 'format message args) "\n")))))
201 (defsubst elmo-imap4-decode-folder-string (string)
202 (if elmo-imap4-use-modified-utf7
203 (utf7-decode-string string 'imap)
206 (defsubst elmo-imap4-encode-folder-string (string)
207 (if elmo-imap4-use-modified-utf7
208 (utf7-encode-string string 'imap)
213 (defmacro elmo-imap4-response-continue-req-p (response)
214 "Returns non-nil if RESPONSE is '+' response."
215 (` (assq 'continue-req (, response))))
217 (defmacro elmo-imap4-response-ok-p (response)
218 "Returns non-nil if RESPONSE is an 'OK' response."
219 (` (assq 'ok (, response))))
221 (defmacro elmo-imap4-response-bye-p (response)
222 "Returns non-nil if RESPONSE is an 'BYE' response."
223 (` (assq 'bye (, response))))
225 (defmacro elmo-imap4-response-value (response symbol)
226 "Get value of the SYMBOL from RESPONSE."
227 (` (nth 1 (assq (, symbol) (, response)))))
229 (defsubst elmo-imap4-response-value-all (response symbol)
230 "Get all value of the SYMBOL from RESPONSE."
233 (if (eq (car (car response)) symbol)
234 (setq matched (nconc matched (nth 1 (car response)))))
235 (setq response (cdr response)))
238 (defmacro elmo-imap4-response-error-text (response)
239 "Returns text of NO, BAD, BYE response."
240 (` (nth 1 (or (elmo-imap4-response-value (, response) 'no)
241 (elmo-imap4-response-value (, response) 'bad)
242 (elmo-imap4-response-value (, response) 'bye)))))
244 (defmacro elmo-imap4-response-bodydetail-text (response)
245 "Returns text of BODY[section]<partial>."
246 (` (nth 3 (assq 'bodydetail (, response)))))
248 ;;; Session commands.
250 ; (defun elmo-imap4-send-command-wait (session command)
251 ; "Send COMMAND to the SESSION and wait for response.
252 ; Returns RESPONSE (parsed lisp object) of IMAP session."
253 ; (elmo-imap4-read-response session
254 ; (elmo-imap4-send-command
258 (defun elmo-imap4-send-command-wait (session command)
259 "Send COMMAND to the SESSION.
260 Returns RESPONSE (parsed lisp object) of IMAP session.
261 If response is not `OK', causes error with IMAP response text."
262 (elmo-imap4-accept-ok session
263 (elmo-imap4-send-command
267 (defun elmo-imap4-send-command (session command)
268 "Send COMMAND to the SESSION.
269 Returns a TAG string which is assigned to the COMMAND."
270 (let* ((command-args (if (listp command)
273 (process (elmo-network-session-process-internal session))
274 cmdstr tag token kind)
275 (with-current-buffer (process-buffer process)
276 (setq tag (concat elmo-imap4-seq-prefix
278 (setq elmo-imap4-seqno (+ 1 elmo-imap4-seqno)))))
279 (setq cmdstr (concat tag " "))
280 ;; (erase-buffer) No need.
281 (goto-char (point-min))
282 (when (elmo-imap4-response-bye-p elmo-imap4-current-response)
283 (elmo-imap4-process-bye session))
284 (setq elmo-imap4-current-response nil)
285 (if elmo-imap4-parsing
286 (error "IMAP process is running. Please wait (or plug again)"))
287 (setq elmo-imap4-parsing t)
288 (elmo-imap4-debug "<-(%s)- %s" tag command)
289 (while (setq token (car command-args))
290 (cond ((stringp token) ; formatted
291 (setq cmdstr (concat cmdstr token)))
292 ((listp token) ; unformatted
293 (setq kind (car token))
294 (cond ((eq kind 'atom)
295 (setq cmdstr (concat cmdstr (nth 1 token))))
299 (elmo-imap4-format-quoted (nth 1 token)))))
301 (setq cmdstr (concat cmdstr
302 (format "{%d}" (nth 2 token))))
303 (process-send-string process cmdstr)
304 (process-send-string process "\r\n")
306 (elmo-imap4-accept-continue-req session)
307 (cond ((stringp (nth 1 token))
308 (setq cmdstr (nth 1 token)))
309 ((bufferp (nth 1 token))
310 (with-current-buffer (nth 1 token)
314 (+ (point-min) (nth 2 token)))))
316 (error "Wrong argument for literal"))))
318 (error "Unknown token kind %s" kind))))
320 (error "Invalid argument")))
321 (setq command-args (cdr command-args)))
323 (process-send-string process cmdstr))
324 (process-send-string process "\r\n")
327 (defun elmo-imap4-send-string (session string)
328 "Send STRING to the SESSION."
329 (with-current-buffer (process-buffer
330 (elmo-network-session-process-internal session))
331 (setq elmo-imap4-current-response nil)
332 (goto-char (point-min))
333 (elmo-imap4-debug "<-- %s" string)
334 (process-send-string (elmo-network-session-process-internal session)
336 (process-send-string (elmo-network-session-process-internal session)
339 (defun elmo-imap4-read-response (session tag)
340 "Read parsed response from SESSION.
341 TAG is the tag of the command"
342 (with-current-buffer (process-buffer
343 (elmo-network-session-process-internal session))
344 (while (not (or (string= tag elmo-imap4-reached-tag)
345 (elmo-imap4-response-bye-p elmo-imap4-current-response)))
346 (when (memq (process-status
347 (elmo-network-session-process-internal session))
349 (accept-process-output (elmo-network-session-process-internal session)
351 (elmo-imap4-debug "=>%s" (prin1-to-string elmo-imap4-current-response))
352 (setq elmo-imap4-parsing nil)
353 elmo-imap4-current-response))
355 (defsubst elmo-imap4-read-untagged (process)
356 (with-current-buffer (process-buffer process)
357 (while (not elmo-imap4-current-response)
358 (accept-process-output process 1))
359 (elmo-imap4-debug "=>%s" (prin1-to-string elmo-imap4-current-response))
360 elmo-imap4-current-response))
362 (defun elmo-imap4-read-continue-req (session)
363 "Returns a text following to continue-req in SESSION.
364 If response is not `+' response, returns nil."
365 (elmo-imap4-response-value
366 (elmo-imap4-read-untagged
367 (elmo-network-session-process-internal session))
370 (defun elmo-imap4-process-bye (session)
371 (with-current-buffer (elmo-network-session-buffer session)
372 (let ((r elmo-imap4-current-response))
373 (setq elmo-imap4-current-response nil)
374 (elmo-network-close-session session)
375 (signal 'elmo-imap4-bye-error
376 (list (concat (elmo-imap4-response-error-text r))
379 (defun elmo-imap4-accept-continue-req (session)
380 "Returns non-nil if `+' (continue-req) response is arrived in SESSION.
381 If response is not `+' response, cause an error."
384 (elmo-imap4-read-untagged
385 (elmo-network-session-process-internal session)))
386 (or (elmo-imap4-response-continue-req-p response)
387 (error "IMAP error: %s"
388 (or (elmo-imap4-response-error-text response)
389 "No continut-req from server.")))))
391 (defun elmo-imap4-read-ok (session tag)
392 "Returns non-nil if `OK' response of the command with TAG is arrived
393 in SESSION. If response is not `OK' response, returns nil."
394 (elmo-imap4-response-ok-p
395 (elmo-imap4-read-response session tag)))
397 (defun elmo-imap4-accept-ok (session tag)
398 "Accept only `OK' response from SESSION.
399 If response is not `OK' response, causes error with IMAP response text."
400 (let ((response (elmo-imap4-read-response session tag)))
401 (if (elmo-imap4-response-ok-p response)
403 (if (elmo-imap4-response-bye-p response)
404 (elmo-imap4-process-bye session)
405 (error "IMAP error: %s"
406 (or (elmo-imap4-response-error-text response)
407 "No `OK' response from server."))))))
409 ;;; MIME-ELMO-IMAP Location
410 (luna-define-method mime-imap-location-section-body ((location
411 mime-elmo-imap-location)
413 (if (and (stringp section)
414 (string= section "HEADER"))
415 ;; Even in the section mode, header fields should be saved to the
417 (with-current-buffer (mime-elmo-imap-location-rawbuf-internal location)
420 (mime-elmo-imap-location-folder-internal location)
421 (mime-elmo-imap-location-number-internal location)
422 (mime-elmo-imap-location-strategy-internal location)
428 (mime-elmo-imap-location-folder-internal location)
429 (mime-elmo-imap-location-number-internal location)
430 (mime-elmo-imap-location-strategy-internal location)
435 (luna-define-method mime-imap-location-bodystructure
436 ((location mime-elmo-imap-location))
437 (elmo-imap4-fetch-bodystructure
438 (mime-elmo-imap-location-folder-internal location)
439 (mime-elmo-imap-location-number-internal location)
440 (mime-elmo-imap-location-strategy-internal location)))
442 (luna-define-method mime-imap-location-fetch-entity-p
443 ((location mime-elmo-imap-location) entity)
444 (or (not elmo-message-displaying) ; Fetching entity to save or force display.
448 (mmimap-entity-section (mime-entity-node-id-internal entity))
449 (elmo-fetch-strategy-cache-path
450 (mime-elmo-imap-location-strategy-internal location))))
451 ;; not too large to fetch.
452 (> elmo-message-fetch-threshold
453 (or (mime-imap-entity-size-internal entity) 0))))
457 (defun elmo-imap4-session-check (session)
458 (with-current-buffer (elmo-network-session-buffer session)
459 (setq elmo-imap4-fetch-callback nil)
460 (setq elmo-imap4-fetch-callback-data nil))
461 (elmo-imap4-send-command-wait session "check"))
463 (defun elmo-imap4-atom-p (string)
464 "Return t if STRING is an atom defined in rfc2060."
465 (if (string= string "")
468 (not (string-match elmo-imap4-non-atom-char-regex string)))))
470 (defun elmo-imap4-quotable-p (string)
471 "Return t if STRING can be formatted as a quoted defined in rfc2060."
473 (not (string-match elmo-imap4-non-text-char-regex string))))
475 (defun elmo-imap4-nil (string)
476 "Return a list represents the special atom \"NIL\" defined in rfc2060, \
478 Otherwise return nil."
482 (defun elmo-imap4-atom (string)
483 "Return a list represents STRING as an atom defined in rfc2060.
484 Return nil if STRING is not an atom. See `elmo-imap4-atom-p'."
485 (if (elmo-imap4-atom-p string)
486 (list 'atom string)))
488 (defun elmo-imap4-quoted (string)
489 "Return a list represents STRING as a quoted defined in rfc2060.
490 Return nil if STRING can not be formatted as a quoted. See `elmo-imap4-quotable-p'."
491 (if (elmo-imap4-quotable-p string)
492 (list 'quoted string)))
494 (defun elmo-imap4-literal-1 (string-or-buffer length)
495 "Internal function for `elmo-imap4-literal' and `elmo-imap4-buffer-literal'.
496 Return a list represents STRING-OR-BUFFER as a literal defined in rfc2060.
497 STRING-OR-BUFFER must be an encoded string or a single-byte string or a single-byte buffer.
498 LENGTH must be the number of octets for STRING-OR-BUFFER."
499 (list 'literal string-or-buffer length))
501 (defun elmo-imap4-literal (string)
502 "Return a list represents STRING as a literal defined in rfc2060.
503 STRING must be an encoded or a single-byte string."
504 (elmo-imap4-literal-1 string (length string)))
506 (defun elmo-imap4-buffer-literal (buffer)
507 "Return a list represents BUFFER as a literal defined in rfc2060.
508 BUFFER must be a single-byte buffer."
509 (elmo-imap4-literal-1 buffer (with-current-buffer buffer
512 (defun elmo-imap4-string-1 (string length)
513 "Internal function for `elmo-imap4-string' and `elmo-imap4-buffer-string'.
514 Return a list represents STRING as a string defined in rfc2060.
515 STRING must be an encoded or a single-byte string.
516 LENGTH must be the number of octets for STRING."
517 (or (elmo-imap4-quoted string)
518 (elmo-imap4-literal-1 string length)))
520 (defun elmo-imap4-string (string)
521 "Return a list represents STRING as a string defined in rfc2060.
522 STRING must be an encoded or a single-byte string."
523 (let ((length (length string)))
524 (if (< elmo-imap4-literal-threshold length)
525 (elmo-imap4-literal-1 string length)
526 (elmo-imap4-string-1 string length))))
528 (defun elmo-imap4-buffer-string (buffer)
529 "Return a list represents BUFFER as a string defined in rfc2060.
530 BUFFER must be a single-byte buffer."
531 (let ((length (with-current-buffer buffer
533 (if (< elmo-imap4-literal-threshold length)
534 (elmo-imap4-literal-1 buffer length)
535 (elmo-imap4-string-1 (with-current-buffer buffer
539 (defun elmo-imap4-astring-1 (string length)
540 "Internal function for `elmo-imap4-astring' and `elmo-imap4-buffer-astring'.
541 Return a list represents STRING as an astring defined in rfc2060.
542 STRING must be an encoded or a single-byte string.
543 LENGTH must be the number of octets for STRING."
544 (or (elmo-imap4-atom string)
545 (elmo-imap4-string-1 string length)))
547 (defun elmo-imap4-astring (string)
548 "Return a list represents STRING as an astring defined in rfc2060.
549 STRING must be an encoded or a single-byte string."
550 (let ((length (length string)))
551 (if (< elmo-imap4-literal-threshold length)
552 (elmo-imap4-literal-1 string length)
553 (elmo-imap4-astring-1 string length))))
555 (defun elmo-imap4-buffer-astring (buffer)
556 "Return a list represents BUFFER as an astring defined in rfc2060.
557 BUFFER must be a single-byte buffer."
558 (let ((length (with-current-buffer buffer
560 (if (< elmo-imap4-literal-threshold length)
561 (elmo-imap4-literal-1 buffer length)
562 (elmo-imap4-astring-1 (with-current-buffer buffer
566 (defun elmo-imap4-nstring (string)
567 "Return a list represents STRING as a nstring defined in rfc2060.
568 STRING must be an encoded or a single-byte string."
569 (or (elmo-imap4-nil string)
570 (elmo-imap4-string string)))
572 (defun elmo-imap4-buffer-nstring (buffer)
573 "Return a list represents BUFFER as a nstring defined in rfc2060.
574 BUFFER must be a single-byte buffer."
575 (or (elmo-imap4-nil buffer)
576 (elmo-imap4-buffer-string buffer)))
578 (defalias 'elmo-imap4-mailbox 'elmo-imap4-astring)
579 (defalias 'elmo-imap4-field-body 'elmo-imap4-astring)
580 (defalias 'elmo-imap4-userid 'elmo-imap4-astring)
581 (defalias 'elmo-imap4-password 'elmo-imap4-astring)
583 (defun elmo-imap4-format-quoted (string)
584 "Return STRING in a form of the quoted-string defined in rfc2060."
586 (std11-wrap-as-quoted-pairs string elmo-imap4-quoted-specials-list)
589 (defsubst elmo-imap4-response-get-selectable-mailbox-list (response)
593 (if (and (eq 'list (car entry))
594 (not (member "\\NoSelect" (nth 1 (nth 1 entry)))))
595 (car (nth 1 entry))))
598 (defun elmo-imap4-fetch-bodystructure (folder number strategy)
599 "Fetch BODYSTRUCTURE for the message in the FOLDER with NUMBER using STRATEGY."
600 (if (elmo-fetch-strategy-use-cache strategy)
602 (elmo-file-cache-expand-path
603 (elmo-fetch-strategy-cache-path strategy)
605 (let ((session (elmo-imap4-get-session folder))
607 (elmo-imap4-session-select-mailbox
609 (elmo-imap4-folder-mailbox-internal folder))
610 (with-current-buffer (elmo-network-session-buffer session)
611 (setq elmo-imap4-fetch-callback nil)
612 (setq elmo-imap4-fetch-callback-data nil))
613 (prog1 (setq bodystructure
614 (elmo-imap4-response-value
615 (elmo-imap4-response-value
616 (elmo-imap4-send-command-wait
619 (if elmo-imap4-use-uid
620 "uid fetch %s bodystructure"
621 "fetch %s bodystructure")
625 (when (elmo-fetch-strategy-save-cache strategy)
626 (elmo-file-cache-delete
627 (elmo-fetch-strategy-cache-path strategy))
629 (elmo-file-cache-expand-path
630 (elmo-fetch-strategy-cache-path strategy)
635 (luna-define-method elmo-create-folder-plugged ((folder elmo-imap4-folder))
636 (elmo-imap4-send-command-wait
637 (elmo-imap4-get-session folder)
638 (list "create " (elmo-imap4-mailbox
639 (elmo-imap4-folder-mailbox-internal folder)))))
641 (defun elmo-imap4-get-session (folder &optional if-exists)
642 (elmo-network-get-session 'elmo-imap4-session
644 (if (elmo-folder-biff-internal folder)
649 (defun elmo-imap4-session-select-mailbox (session mailbox
650 &optional force no-error)
651 "Select MAILBOX in SESSION.
652 If optional argument FORCE is non-nil, select mailbox even if current mailbox
654 If second optional argument NO-ERROR is non-nil, don't cause an error when
655 selecting folder was failed.
656 If NO-ERROR is 'notify-bye, only BYE response is reported as error.
657 Returns response value if selecting folder succeed. "
660 (elmo-imap4-session-current-mailbox-internal session)
662 (let (response result)
665 (elmo-imap4-read-response
667 (elmo-imap4-send-command
671 (elmo-imap4-mailbox mailbox)))))
672 (if (setq result (elmo-imap4-response-ok-p response))
674 (elmo-imap4-session-set-current-mailbox-internal session mailbox)
675 (elmo-imap4-session-set-read-only-internal
677 (nth 1 (assq 'read-only (assq 'ok response)))))
678 (elmo-imap4-session-set-current-mailbox-internal session nil)
679 (if (and (eq no-error 'notify-bye)
680 (elmo-imap4-response-bye-p response))
681 (elmo-imap4-process-bye session)
684 (elmo-imap4-response-error-text response)
685 (format "Select %s failed" mailbox)))))))
686 (and result response))))
688 (defun elmo-imap4-check-validity (spec validity-file)
690 ;;;(elmo-imap4-send-command-wait
691 ;;;(elmo-imap4-get-session spec)
693 ;;; (elmo-imap4-mailbox
694 ;;; (elmo-imap4-spec-mailbox spec))
695 ;;; " (uidvalidity)")))
698 (defun elmo-imap4-sync-validity (spec validity-file)
702 (defun elmo-imap4-list (folder flag)
703 (let ((session (elmo-imap4-get-session folder)))
704 (elmo-imap4-session-select-mailbox
706 (elmo-imap4-folder-mailbox-internal folder))
707 (elmo-imap4-response-value
708 (elmo-imap4-send-command-wait
710 (format (if elmo-imap4-use-uid "uid search %s"
716 ;; Emacs can parse dot symbol.
717 (defvar elmo-imap4-rfc822-size "RFC822\.SIZE")
718 (defvar elmo-imap4-rfc822-text "RFC822\.TEXT")
719 (defvar elmo-imap4-rfc822-header "RFC822\.HEADER")
720 (defvar elmo-imap4-rfc822-size "RFC822\.SIZE")
721 (defvar elmo-imap4-header-fields "HEADER\.FIELDS")
722 (defmacro elmo-imap4-replace-dot-symbols ()) ;; noop
723 (defalias 'elmo-imap4-fetch-read 'read)
727 ;; Cannot parse dot symbol.
728 (defvar elmo-imap4-rfc822-size "RFC822_SIZE")
729 (defvar elmo-imap4-header-fields "HEADER_FIELDS")
730 (defvar elmo-imap4-rfc822-size "RFC822_SIZE")
731 (defvar elmo-imap4-rfc822-text "RFC822_TEXT")
732 (defvar elmo-imap4-rfc822-header "RFC822_HEADER")
733 (defvar elmo-imap4-header-fields "HEADER_FIELDS")
734 (defun elmo-imap4-fetch-read (buffer)
735 (with-current-buffer buffer
738 (when (re-search-forward "[[ ]" nil t)
739 (goto-char (match-beginning 0))
740 (setq token (buffer-substring beg (point)))
741 (cond ((string= token "RFC822.SIZE")
742 (intern elmo-imap4-rfc822-size))
743 ((string= token "RFC822.HEADER")
744 (intern elmo-imap4-rfc822-header))
745 ((string= token "RFC822.TEXT")
746 (intern elmo-imap4-rfc822-text))
747 ((string= token "HEADER\.FIELDS")
748 (intern elmo-imap4-header-fields))
750 (elmo-read (current-buffer))))))))))
752 (defun elmo-imap4-make-number-set-list (msg-list &optional chop-length)
753 "Make RFC2060's message set specifier from MSG-LIST.
754 Returns a list of (NUMBER . SET-STRING).
755 SET-STRING is the message set specifier described in RFC2060.
756 NUMBER is contained message number in SET-STRING.
757 Every SET-STRING does not contain number of messages longer than CHOP-LENGTH.
758 If CHOP-LENGTH is not specified, message set is not chopped."
759 (let (count cont-list set-list)
760 (setq msg-list (sort (copy-sequence msg-list) '<))
765 (setq chop-length (length msg-list)))
766 (while (and (not (null msg-list))
767 (< count chop-length))
769 (elmo-number-set-append
770 cont-list (car msg-list)))
772 (setq msg-list (cdr msg-list)))
780 (format "%s:%s" (car x) (cdr x)))
786 (nreverse set-list)))
791 ;; 0: new-mark 1: already-mark 2: seen-mark 3: important-mark
793 ;; and result of use-flag-p.
794 (defsubst elmo-imap4-fetch-callback-1-subr (entity flags app-data)
795 "A msgdb entity callback function."
796 (let* ((use-flag (cdr app-data))
797 (app-data (car app-data))
798 (seen (member (car entity) (nth 4 app-data)))
800 (if (member "\\Flagged" flags)
801 (elmo-msgdb-global-mark-set (car entity) (nth 3 app-data)))
802 (if (setq mark (elmo-msgdb-global-mark-get (car entity)))
803 (unless (member "\\Seen" flags)
804 (setq elmo-imap4-seen-messages
806 (elmo-msgdb-overview-entity-get-number entity)
807 elmo-imap4-seen-messages)))
808 (setq mark (or (if (elmo-file-cache-status
809 (elmo-file-cache-get (car entity)))
812 (member "\\Seen" flags)))
817 (member "\\Seen" flags)))
818 (if elmo-imap4-use-cache
820 (nth 0 app-data))))))
821 (setq elmo-imap4-current-msgdb
823 elmo-imap4-current-msgdb
825 (list (cons (elmo-msgdb-overview-entity-get-number entity)
829 (list (elmo-msgdb-overview-entity-get-number entity)
832 ;; Current buffer is process buffer.
833 (defun elmo-imap4-fetch-callback-1 (element app-data)
834 (elmo-imap4-fetch-callback-1-subr
836 (insert (or (elmo-imap4-response-bodydetail-text element)
839 (goto-char (point-min))
840 (while (search-forward "\r\n" nil t)
841 (replace-match "\n"))
842 (elmo-msgdb-create-overview-from-buffer
843 (elmo-imap4-response-value element 'uid)
844 (elmo-imap4-response-value element 'rfc822size)))
845 (elmo-imap4-response-value element 'flags)
848 (defun elmo-imap4-parse-capability (string)
849 (if (string-match "^\\*\\(.*\\)$" string)
851 (concat "(" (downcase (elmo-match-string 1 string)) ")"))))
853 (defun elmo-imap4-clear-login (session)
854 (let ((elmo-imap4-debug-inhibit-logging t))
858 (elmo-imap4-send-command
861 (elmo-imap4-userid (elmo-network-session-user-internal session))
864 (elmo-get-passwd (elmo-network-session-password-key session))))))
865 (signal 'elmo-authenticate-error '(elmo-imap4-clear-login)))))
867 (defun elmo-imap4-auth-login (session)
868 (let ((tag (elmo-imap4-send-command session "authenticate login"))
869 (elmo-imap4-debug-inhibit-logging t))
870 (or (elmo-imap4-read-continue-req session)
871 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
872 (elmo-imap4-send-string session
873 (elmo-base64-encode-string
874 (elmo-network-session-user-internal session)))
875 (or (elmo-imap4-read-continue-req session)
876 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
877 (elmo-imap4-send-string session
878 (elmo-base64-encode-string
880 (elmo-network-session-password-key session))))
881 (or (elmo-imap4-read-ok session tag)
882 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
883 (setq elmo-imap4-status 'auth)))
886 elmo-network-initialize-session-buffer :after ((session
887 elmo-imap4-session) buffer)
888 (with-current-buffer buffer
889 (mapcar 'make-variable-buffer-local elmo-imap4-local-variables)
890 (setq elmo-imap4-seqno 0)
891 (setq elmo-imap4-status 'initial)))
893 (luna-define-method elmo-network-initialize-session ((session
895 (let ((process (elmo-network-session-process-internal session)))
896 (with-current-buffer (process-buffer process)
897 ;; Skip garbage output from process before greeting.
898 (while (and (memq (process-status process) '(open run))
899 (goto-char (point-max))
901 (not (elmo-imap4-parse-greeting)))
902 (accept-process-output process 1))
903 (set-process-filter process 'elmo-imap4-arrival-filter)
904 (set-process-sentinel process 'elmo-imap4-sentinel)
905 ;;; (while (and (memq (process-status process) '(open run))
906 ;;; (eq elmo-imap4-status 'initial))
907 ;;; (message "Waiting for server response...")
908 ;;; (accept-process-output process 1))
910 (unless (memq elmo-imap4-status '(nonauth auth))
911 (signal 'elmo-open-error
912 (list 'elmo-network-initialize-session)))
913 (elmo-imap4-session-set-capability-internal
915 (elmo-imap4-response-value
916 (elmo-imap4-send-command-wait session "capability")
918 (when (eq (elmo-network-stream-type-symbol
919 (elmo-network-session-stream-type-internal session))
922 (elmo-imap4-session-capability-internal session))
923 (signal 'elmo-open-error
924 '(elmo-imap4-starttls-error)))
925 (elmo-imap4-send-command-wait session "starttls")
926 (starttls-negotiate process)))))
928 (luna-define-method elmo-network-authenticate-session ((session
930 (with-current-buffer (process-buffer
931 (elmo-network-session-process-internal session))
932 (let* ((auth (elmo-network-session-auth-internal session))
933 (auth (if (listp auth) auth (list auth))))
934 (unless (or (eq elmo-imap4-status 'auth)
937 ((eq 'clear (car auth))
938 (elmo-imap4-clear-login session))
939 ((eq 'login (car auth))
940 (elmo-imap4-auth-login session))
942 (let* ((elmo-imap4-debug-inhibit-logging t)
947 (if (string-match "^auth=\\(.*\\)$"
949 (match-string 1 (upcase (symbol-name cap)))))
950 (elmo-imap4-session-capability-internal session))))
954 (mapcar '(lambda (cap) (upcase (symbol-name cap)))
958 client name step response tag
959 sasl-read-passphrase)
961 (if (or elmo-imap4-force-login
964 "There's no %s capability in server. continue?"
966 (elmo-network-session-auth-internal session)))))
967 (setq mechanism (sasl-find-mechanism
969 (signal 'elmo-authenticate-error
970 '(elmo-imap4-auth-no-mechanisms))))
974 (elmo-network-session-user-internal session)
976 (elmo-network-session-server-internal session)))
977 ;;; (if elmo-imap4-auth-user-realm
978 ;;; (sasl-client-set-property client 'realm elmo-imap4-auth-user-realm))
979 (setq name (sasl-mechanism-name mechanism)
980 step (sasl-next-step client nil))
981 (elmo-network-session-set-auth-internal
983 (intern (downcase name)))
984 (setq sasl-read-passphrase
988 (elmo-network-session-password-key session)))))
990 (elmo-imap4-send-command
992 (concat "AUTHENTICATE " name
993 (and (sasl-step-data step)
996 (elmo-base64-encode-string
997 (sasl-step-data step)
1002 (elmo-imap4-read-untagged
1003 (elmo-network-session-process-internal session)))
1004 (if (elmo-imap4-response-ok-p response)
1005 (if (sasl-next-step client step)
1007 (signal 'elmo-authenticate-error
1009 (concat "elmo-imap4-auth-"
1011 ;; The authentication process is finished.
1013 (unless (elmo-imap4-response-continue-req-p response)
1014 ;; response is NO or BAD.
1015 (signal 'elmo-authenticate-error
1017 (concat "elmo-imap4-auth-"
1018 (downcase name))))))
1021 (elmo-base64-decode-string
1022 (elmo-imap4-response-value response 'continue-req)))
1023 (setq step (sasl-next-step client step))
1025 (elmo-imap4-send-string
1027 (if (sasl-step-data step)
1028 (elmo-base64-encode-string (sasl-step-data step)
1032 (luna-define-method elmo-network-setup-session ((session
1033 elmo-imap4-session))
1034 (with-current-buffer (elmo-network-session-buffer session)
1035 (when (memq 'namespace (elmo-imap4-session-capability-internal session))
1036 (setq elmo-imap4-server-namespace
1037 (elmo-imap4-response-value
1038 (elmo-imap4-send-command-wait session "namespace")
1041 (defun elmo-imap4-setup-send-buffer (&optional string)
1042 (let ((send-buf (get-buffer-create " *elmo-imap4-setup-send-buffer*"))
1043 (source-buf (unless string (current-buffer))))
1046 (set-buffer send-buf)
1048 (elmo-set-buffer-multibyte nil)
1051 (with-current-buffer source-buf
1052 (copy-to-buffer send-buf (point-min) (point-max))))
1053 (goto-char (point-min))
1054 (if (eq (re-search-forward "^$" nil t)
1057 (goto-char (point-min))
1058 (while (search-forward "\n" nil t)
1059 (replace-match "\r\n"))))
1062 (defun elmo-imap4-setup-send-buffer-from-file (file)
1063 (let ((tmp-buf (get-buffer-create
1064 " *elmo-imap4-setup-send-buffer-from-file*")))
1067 (set-buffer tmp-buf)
1069 (as-binary-input-file
1070 (insert-file-contents file))
1071 (goto-char (point-min))
1072 (if (eq (re-search-forward "^$" nil t)
1075 (goto-char (point-min))
1076 (while (search-forward "\n" nil t)
1077 (replace-match "\r\n"))))
1080 (luna-define-method elmo-delete-message-safe ((folder elmo-imap4-folder)
1082 (let ((session (elmo-imap4-get-session folder))
1084 (elmo-imap4-session-select-mailbox
1086 (elmo-imap4-folder-mailbox-internal folder))
1088 (elmo-imap4-response-value
1089 (elmo-imap4-send-command-wait session
1091 (if elmo-imap4-use-uid
1092 "uid search header message-id "
1093 "search header message-id ")
1094 (elmo-imap4-field-body msgid)))
1096 (if (memq number candidates)
1097 (elmo-folder-delete-messages folder (list number)))))
1099 (defun elmo-imap4-server-diff-async-callback-1 (status data)
1100 (funcall elmo-imap4-server-diff-async-callback
1101 (list (elmo-imap4-response-value status 'recent)
1102 (elmo-imap4-response-value status 'unseen)
1103 (elmo-imap4-response-value status 'messages))
1106 (defun elmo-imap4-server-diff-async (folder)
1107 (let ((session (elmo-imap4-get-session folder)))
1108 ;; We should `check' folder to obtain newest information here.
1109 ;; But since there's no asynchronous check mechanism in elmo yet,
1110 ;; checking is not done here.
1111 (with-current-buffer (elmo-network-session-buffer session)
1112 (setq elmo-imap4-status-callback
1113 'elmo-imap4-server-diff-async-callback-1)
1114 (setq elmo-imap4-status-callback-data
1115 elmo-imap4-server-diff-async-callback-data))
1116 (elmo-imap4-send-command session
1120 (elmo-imap4-folder-mailbox-internal folder))
1121 " (recent unseen messages)"))))
1123 (luna-define-method elmo-server-diff-async ((folder elmo-imap4-folder))
1124 (let ((session (elmo-imap4-get-session folder)))
1126 ;; (elmo-imap4-commit spec)
1127 (with-current-buffer (elmo-network-session-buffer session)
1128 (setq elmo-imap4-status-callback
1129 'elmo-imap4-server-diff-async-callback-1)
1130 (setq elmo-imap4-status-callback-data
1131 elmo-imap4-server-diff-async-callback-data))
1132 (elmo-imap4-send-command session
1136 (elmo-imap4-folder-mailbox-internal folder))
1137 " (recent unseen messages)"))))
1141 (defvar elmo-imap4-server-eol "\r\n"
1142 "The EOL string sent from the server.")
1144 (defvar elmo-imap4-client-eol "\r\n"
1145 "The EOL string we send to the server.")
1147 (defvar elmo-imap4-display-literal-progress nil)
1149 (defun elmo-imap4-find-next-line ()
1150 "Return point at end of current line, taking into account literals.
1151 Return nil if no complete line has arrived."
1152 (when (re-search-forward (concat elmo-imap4-server-eol "\\|{\\([0-9]+\\)}"
1153 elmo-imap4-server-eol)
1155 (if (match-string 1)
1156 (if (< (point-max) (+ (point) (string-to-number (match-string 1))))
1158 (if (and elmo-imap4-display-literal-progress
1159 (> (string-to-number (match-string 1))
1160 (min elmo-display-retrieval-progress-threshold 100)))
1161 (elmo-display-progress
1162 'elmo-imap4-display-literal-progress
1163 (format "Retrieving (%d/%d bytes)..."
1164 (- (point-max) (point))
1165 (string-to-number (match-string 1)))
1166 (/ (- (point-max) (point))
1167 (/ (string-to-number (match-string 1)) 100))))
1169 (goto-char (+ (point) (string-to-number (match-string 1))))
1170 (elmo-imap4-find-next-line))
1173 (defun elmo-imap4-sentinel (process string)
1174 (delete-process process))
1176 (defun elmo-imap4-arrival-filter (proc string)
1177 "IMAP process filter."
1178 (when (buffer-live-p (process-buffer proc))
1179 (with-current-buffer (process-buffer proc)
1180 (elmo-imap4-debug "-> %s" string)
1181 (goto-char (point-max))
1184 (goto-char (point-min))
1185 (while (setq end (elmo-imap4-find-next-line))
1187 (narrow-to-region (point-min) end)
1188 (delete-backward-char (length elmo-imap4-server-eol))
1189 (goto-char (point-min))
1191 (cond ((eq elmo-imap4-status 'initial)
1192 (setq elmo-imap4-current-response
1194 (list 'greeting (elmo-imap4-parse-greeting)))))
1195 ((or (eq elmo-imap4-status 'auth)
1196 (eq elmo-imap4-status 'nonauth)
1197 (eq elmo-imap4-status 'selected)
1198 (eq elmo-imap4-status 'examine))
1199 (setq elmo-imap4-current-response
1201 (elmo-imap4-parse-response)
1202 elmo-imap4-current-response)))
1204 (message "Unknown state %s in arrival filter"
1205 elmo-imap4-status))))
1206 (delete-region (point-min) (point-max))))))))
1210 (defsubst elmo-imap4-forward ()
1211 (or (eobp) (forward-char 1)))
1213 (defsubst elmo-imap4-parse-number ()
1214 (when (looking-at "[0-9]+")
1216 (string-to-number (match-string 0))
1217 (goto-char (match-end 0)))))
1219 (defsubst elmo-imap4-parse-literal ()
1220 (when (looking-at "{\\([0-9]+\\)}\r\n")
1221 (let ((pos (match-end 0))
1222 (len (string-to-number (match-string 1))))
1223 (if (< (point-max) (+ pos len))
1225 (goto-char (+ pos len))
1226 (buffer-substring pos (+ pos len))))))
1227 ;;; (list ' pos (+ pos len))))))
1229 (defsubst elmo-imap4-parse-string ()
1230 (cond ((eq (char-after (point)) ?\")
1232 (let ((p (point)) (name ""))
1233 (skip-chars-forward "^\"\\\\")
1234 (setq name (buffer-substring p (point)))
1235 (while (eq (char-after (point)) ?\\)
1236 (setq p (1+ (point)))
1238 (skip-chars-forward "^\"\\\\")
1239 (setq name (concat name (buffer-substring p (point)))))
1242 ((eq (char-after (point)) ?{)
1243 (elmo-imap4-parse-literal))))
1245 (defsubst elmo-imap4-parse-nil ()
1246 (if (looking-at "NIL")
1247 (goto-char (match-end 0))))
1249 (defsubst elmo-imap4-parse-nstring ()
1250 (or (elmo-imap4-parse-string)
1251 (and (elmo-imap4-parse-nil)
1254 (defsubst elmo-imap4-parse-astring ()
1255 (or (elmo-imap4-parse-string)
1256 (buffer-substring (point)
1257 (if (re-search-forward "[(){ \r\n%*\"\\]" nil t)
1258 (goto-char (1- (match-end 0)))
1262 (defsubst elmo-imap4-parse-address ()
1264 (when (eq (char-after (point)) ?\()
1265 (elmo-imap4-forward)
1266 (setq address (vector (prog1 (elmo-imap4-parse-nstring)
1267 (elmo-imap4-forward))
1268 (prog1 (elmo-imap4-parse-nstring)
1269 (elmo-imap4-forward))
1270 (prog1 (elmo-imap4-parse-nstring)
1271 (elmo-imap4-forward))
1272 (elmo-imap4-parse-nstring)))
1273 (when (eq (char-after (point)) ?\))
1274 (elmo-imap4-forward)
1277 (defsubst elmo-imap4-parse-address-list ()
1278 (if (eq (char-after (point)) ?\()
1279 (let (address addresses)
1280 (elmo-imap4-forward)
1281 (while (and (not (eq (char-after (point)) ?\)))
1282 ;; next line for MS Exchange bug
1283 (progn (and (eq (char-after (point)) ? ) (elmo-imap4-forward)) t)
1284 (setq address (elmo-imap4-parse-address)))
1285 (setq addresses (cons address addresses)))
1286 (when (eq (char-after (point)) ?\))
1287 (elmo-imap4-forward)
1288 (nreverse addresses)))
1289 (assert (elmo-imap4-parse-nil))))
1291 (defsubst elmo-imap4-parse-mailbox ()
1292 (let ((mailbox (elmo-imap4-parse-astring)))
1293 (if (string-equal "INBOX" (upcase mailbox))
1297 (defun elmo-imap4-parse-greeting ()
1298 "Parse a IMAP greeting."
1299 (cond ((looking-at "\\* OK ")
1300 (setq elmo-imap4-status 'nonauth))
1301 ((looking-at "\\* PREAUTH ")
1302 (setq elmo-imap4-status 'auth))
1303 ((looking-at "\\* BYE ")
1304 (setq elmo-imap4-status 'closed))))
1306 (defun elmo-imap4-parse-response ()
1307 "Parse a IMAP command response."
1309 (case (setq token (elmo-read (current-buffer)))
1311 (skip-chars-forward " ")
1312 (list 'continue-req (buffer-substring (point) (point-max)))))
1313 (* (case (prog1 (setq token (elmo-read (current-buffer)))
1314 (elmo-imap4-forward))
1315 (OK (elmo-imap4-parse-resp-text-code))
1316 (NO (elmo-imap4-parse-resp-text-code))
1317 (BAD (elmo-imap4-parse-resp-text-code))
1318 (BYE (elmo-imap4-parse-bye))
1320 (elmo-imap4-parse-flag-list)))
1321 (LIST (list 'list (elmo-imap4-parse-data-list)))
1322 (LSUB (list 'lsub (elmo-imap4-parse-data-list)))
1325 (elmo-read (concat "("
1326 (buffer-substring (point) (point-max))
1328 (STATUS (elmo-imap4-parse-status))
1330 (NAMESPACE (elmo-imap4-parse-namespace))
1331 (CAPABILITY (list 'capability
1333 (concat "(" (downcase (buffer-substring
1334 (point) (point-max)))
1336 (ACL (elmo-imap4-parse-acl))
1337 (t (case (prog1 (elmo-read (current-buffer))
1338 (elmo-imap4-forward))
1339 (EXISTS (list 'exists token))
1340 (RECENT (list 'recent token))
1341 (EXPUNGE (list 'expunge token))
1342 (FETCH (elmo-imap4-parse-fetch token))
1343 (t (list 'garbage (buffer-string)))))))
1344 (t (if (not (string-match elmo-imap4-seq-prefix (symbol-name token)))
1345 (list 'garbage (buffer-string))
1346 (case (prog1 (elmo-read (current-buffer))
1347 (elmo-imap4-forward))
1349 (setq elmo-imap4-parsing nil)
1350 (setq token (symbol-name token))
1351 (elmo-unintern token)
1352 (elmo-imap4-debug "*%s* OK arrived" token)
1353 (setq elmo-imap4-reached-tag token)
1354 (list 'ok (elmo-imap4-parse-resp-text-code))))
1356 (setq elmo-imap4-parsing nil)
1357 (setq token (symbol-name token))
1358 (elmo-unintern token)
1359 (elmo-imap4-debug "*%s* NO arrived" token)
1360 (setq elmo-imap4-reached-tag token)
1362 (when (eq (char-after (point)) ?\[)
1363 (setq code (buffer-substring (point)
1364 (search-forward "]")))
1365 (elmo-imap4-forward))
1366 (setq text (buffer-substring (point) (point-max)))
1367 (list 'no (list code text)))))
1369 (setq elmo-imap4-parsing nil)
1370 (elmo-imap4-debug "*%s* BAD arrived" token)
1371 (setq token (symbol-name token))
1372 (elmo-unintern token)
1373 (setq elmo-imap4-reached-tag token)
1375 (when (eq (char-after (point)) ?\[)
1376 (setq code (buffer-substring (point)
1377 (search-forward "]")))
1378 (elmo-imap4-forward))
1379 (setq text (buffer-substring (point) (point-max)))
1380 (list 'bad (list code text)))))
1381 (t (list 'garbage (buffer-string)))))))))
1383 (defun elmo-imap4-parse-bye ()
1385 (when (eq (char-after (point)) ?\[)
1386 (setq code (buffer-substring (point)
1387 (search-forward "]")))
1388 (elmo-imap4-forward))
1389 (setq text (buffer-substring (point) (point-max)))
1390 (list 'bye (list code text))))
1392 (defun elmo-imap4-parse-text ()
1393 (goto-char (point-min))
1394 (when (search-forward "[" nil t)
1395 (search-forward "]")
1396 (elmo-imap4-forward))
1397 (list 'text (buffer-substring (point) (point-max))))
1399 (defun elmo-imap4-parse-resp-text-code ()
1400 (when (eq (char-after (point)) ?\[)
1401 (elmo-imap4-forward)
1402 (cond ((search-forward "PERMANENTFLAGS " nil t)
1403 (list 'permanentflags (elmo-imap4-parse-flag-list)))
1404 ((search-forward "UIDNEXT " nil t)
1405 (list 'uidnext (elmo-read (current-buffer))))
1406 ((search-forward "UNSEEN " nil t)
1407 (list 'unseen (elmo-read (current-buffer))))
1408 ((looking-at "UIDVALIDITY \\([0-9]+\\)")
1409 (list 'uidvalidity (match-string 1)))
1410 ((search-forward "READ-ONLY" nil t)
1411 (list 'read-only t))
1412 ((search-forward "READ-WRITE" nil t)
1413 (list 'read-write t))
1414 ((search-forward "NEWNAME " nil t)
1415 (let (oldname newname)
1416 (setq oldname (elmo-imap4-parse-string))
1417 (elmo-imap4-forward)
1418 (setq newname (elmo-imap4-parse-string))
1419 (list 'newname newname oldname)))
1420 ((search-forward "TRYCREATE" nil t)
1421 (list 'trycreate t))
1422 ((looking-at "APPENDUID \\([0-9]+\\) \\([0-9]+\\)")
1424 (list (match-string 1)
1425 (string-to-number (match-string 2)))))
1426 ((looking-at "COPYUID \\([0-9]+\\) \\([0-9,:]+\\) \\([0-9,:]+\\)")
1427 (list 'copyuid (list (match-string 1)
1430 ((search-forward "ALERT] " nil t)
1431 (message "IMAP server information: %s"
1432 (buffer-substring (point) (point-max))))
1433 (t (list 'unknown)))))
1435 (defun elmo-imap4-parse-data-list ()
1436 (let (flags delimiter mailbox)
1437 (setq flags (elmo-imap4-parse-flag-list))
1438 (when (looking-at " NIL\\| \"\\\\?\\(.\\)\"")
1439 (setq delimiter (match-string 1))
1440 (goto-char (1+ (match-end 0)))
1441 (when (setq mailbox (elmo-imap4-parse-mailbox))
1442 (list mailbox flags delimiter)))))
1444 (defsubst elmo-imap4-parse-header-list ()
1445 (when (eq (char-after (point)) ?\()
1447 (while (not (eq (char-after (point)) ?\)))
1448 (elmo-imap4-forward)
1449 (push (elmo-imap4-parse-astring) strlist))
1450 (elmo-imap4-forward)
1451 (nreverse strlist))))
1453 (defsubst elmo-imap4-parse-fetch-body-section ()
1455 (buffer-substring (point)
1457 (progn (re-search-forward "[] ]" nil t)
1459 (if (eq (char-before) ? )
1461 (mapconcat 'identity
1462 (cons section (elmo-imap4-parse-header-list)) " ")
1463 (search-forward "]" nil t))
1466 (defun elmo-imap4-parse-fetch (response)
1467 (when (eq (char-after (point)) ?\()
1469 (while (not (eq (char-after (point)) ?\)))
1470 (elmo-imap4-forward)
1471 (let ((token (elmo-imap4-fetch-read (current-buffer))))
1472 (elmo-imap4-forward)
1474 (cond ((eq token 'UID)
1475 (list 'uid (condition-case nil
1476 (elmo-read (current-buffer))
1479 (list 'flags (elmo-imap4-parse-flag-list)))
1480 ((eq token 'ENVELOPE)
1481 (list 'envelope (elmo-imap4-parse-envelope)))
1482 ((eq token 'INTERNALDATE)
1483 (list 'internaldate (elmo-imap4-parse-string)))
1485 (list 'rfc822 (elmo-imap4-parse-nstring)))
1486 ((eq token (intern elmo-imap4-rfc822-header))
1487 (list 'rfc822header (elmo-imap4-parse-nstring)))
1488 ((eq token (intern elmo-imap4-rfc822-text))
1489 (list 'rfc822text (elmo-imap4-parse-nstring)))
1490 ((eq token (intern elmo-imap4-rfc822-size))
1491 (list 'rfc822size (elmo-read (current-buffer))))
1493 (if (eq (char-before) ?\[)
1496 (upcase (elmo-imap4-parse-fetch-body-section))
1498 (eq (char-after (point)) ?<)
1499 (buffer-substring (1+ (point))
1501 (search-forward ">" nil t)
1503 (progn (elmo-imap4-forward)
1504 (elmo-imap4-parse-nstring)))
1505 (list 'body (elmo-imap4-parse-body))))
1506 ((eq token 'BODYSTRUCTURE)
1507 (list 'bodystructure (elmo-imap4-parse-body)))))
1508 (setq list (cons element list))))
1509 (and elmo-imap4-fetch-callback
1510 (funcall elmo-imap4-fetch-callback
1511 list elmo-imap4-fetch-callback-data))
1512 (list 'fetch list))))
1514 (defun elmo-imap4-parse-status ()
1515 (let ((mailbox (elmo-imap4-parse-mailbox))
1517 (when (and mailbox (search-forward "(" nil t))
1518 (while (not (eq (char-after (point)) ?\)))
1521 (let ((token (elmo-read (current-buffer))))
1522 (cond ((eq token 'MESSAGES)
1523 (list 'messages (elmo-read (current-buffer))))
1525 (list 'recent (elmo-read (current-buffer))))
1526 ((eq token 'UIDNEXT)
1527 (list 'uidnext (elmo-read (current-buffer))))
1528 ((eq token 'UIDVALIDITY)
1529 (and (looking-at " \\([0-9]+\\)")
1530 (prog1 (list 'uidvalidity (match-string 1))
1531 (goto-char (match-end 1)))))
1533 (list 'unseen (elmo-read (current-buffer))))
1536 "Unknown status data %s in mailbox %s ignored"
1539 (and elmo-imap4-status-callback
1540 (funcall elmo-imap4-status-callback
1542 elmo-imap4-status-callback-data))
1543 (list 'status status)))
1546 (defmacro elmo-imap4-value (value)
1547 (` (if (eq (, value) 'NIL) nil
1550 (defmacro elmo-imap4-nth (pos list)
1551 (` (let ((value (nth (, pos) (, list))))
1552 (elmo-imap4-value value))))
1554 (defun elmo-imap4-parse-namespace ()
1557 (copy-sequence elmo-imap4-extra-namespace-alist)
1558 (elmo-imap4-parse-namespace-subr
1559 (elmo-read (concat "(" (buffer-substring
1560 (point) (point-max))
1563 (defun elmo-imap4-parse-namespace-subr (ns)
1564 (let (prefix delim namespace-alist default-delim)
1565 ;; 0: personal, 1: other, 2: shared
1567 (setq namespace-alist
1568 (nconc namespace-alist
1572 (setq prefix (elmo-imap4-nth 0 namespace)
1573 delim (elmo-imap4-nth 1 namespace))
1574 (if (and prefix delim
1576 (concat (regexp-quote delim) "\\'")
1578 (setq prefix (substring prefix 0
1579 (match-beginning 0))))
1580 (if (eq (length prefix) 0)
1581 (progn (setq default-delim delim) nil)
1584 (if (string= (downcase prefix) "inbox")
1585 "[Ii][Nn][Bb][Oo][Xx]"
1586 (regexp-quote prefix))
1589 (elmo-imap4-nth i ns))))))
1591 (setq namespace-alist
1592 (nconc namespace-alist
1593 (list (cons "^.*$" default-delim)))))
1596 (defun elmo-imap4-parse-acl ()
1597 (let ((mailbox (elmo-imap4-parse-mailbox))
1598 identifier rights acl)
1599 (while (eq (char-after (point)) ?\ )
1600 (elmo-imap4-forward)
1601 (setq identifier (elmo-imap4-parse-astring))
1602 (elmo-imap4-forward)
1603 (setq rights (elmo-imap4-parse-astring))
1604 (setq acl (append acl (list (cons identifier rights)))))
1605 (list 'acl acl mailbox)))
1607 (defun elmo-imap4-parse-flag-list ()
1608 (let ((str (buffer-substring (+ (point) 1)
1609 (progn (search-forward ")" nil t)
1611 (unless (eq (length str) 0)
1612 (split-string str))))
1614 (defun elmo-imap4-parse-envelope ()
1615 (when (eq (char-after (point)) ?\()
1616 (elmo-imap4-forward)
1617 (vector (prog1 (elmo-imap4-parse-nstring);; date
1618 (elmo-imap4-forward))
1619 (prog1 (elmo-imap4-parse-nstring);; subject
1620 (elmo-imap4-forward))
1621 (prog1 (elmo-imap4-parse-address-list);; from
1622 (elmo-imap4-forward))
1623 (prog1 (elmo-imap4-parse-address-list);; sender
1624 (elmo-imap4-forward))
1625 (prog1 (elmo-imap4-parse-address-list);; reply-to
1626 (elmo-imap4-forward))
1627 (prog1 (elmo-imap4-parse-address-list);; to
1628 (elmo-imap4-forward))
1629 (prog1 (elmo-imap4-parse-address-list);; cc
1630 (elmo-imap4-forward))
1631 (prog1 (elmo-imap4-parse-address-list);; bcc
1632 (elmo-imap4-forward))
1633 (prog1 (elmo-imap4-parse-nstring);; in-reply-to
1634 (elmo-imap4-forward))
1635 (prog1 (elmo-imap4-parse-nstring);; message-id
1636 (elmo-imap4-forward)))))
1638 (defsubst elmo-imap4-parse-string-list ()
1639 (cond ((eq (char-after (point)) ?\();; body-fld-param
1641 (elmo-imap4-forward)
1642 (while (setq str (elmo-imap4-parse-string))
1644 (elmo-imap4-forward))
1645 (nreverse strlist)))
1646 ((elmo-imap4-parse-nil)
1649 (defun elmo-imap4-parse-body-extension ()
1650 (if (eq (char-after (point)) ?\()
1652 (elmo-imap4-forward)
1653 (push (elmo-imap4-parse-body-extension) b-e)
1654 (while (eq (char-after (point)) ?\ )
1655 (elmo-imap4-forward)
1656 (push (elmo-imap4-parse-body-extension) b-e))
1657 (assert (eq (char-after (point)) ?\)))
1658 (elmo-imap4-forward)
1660 (or (elmo-imap4-parse-number)
1661 (elmo-imap4-parse-nstring))))
1663 (defsubst elmo-imap4-parse-body-ext ()
1665 (when (eq (char-after (point)) ?\ );; body-fld-dsp
1666 (elmo-imap4-forward)
1668 (if (eq (char-after (point)) ?\()
1670 (elmo-imap4-forward)
1671 (push (elmo-imap4-parse-string) dsp)
1672 (elmo-imap4-forward)
1673 (push (elmo-imap4-parse-string-list) dsp)
1674 (elmo-imap4-forward))
1675 (assert (elmo-imap4-parse-nil)))
1676 (push (nreverse dsp) ext))
1677 (when (eq (char-after (point)) ?\ );; body-fld-lang
1678 (elmo-imap4-forward)
1679 (if (eq (char-after (point)) ?\()
1680 (push (elmo-imap4-parse-string-list) ext)
1681 (push (elmo-imap4-parse-nstring) ext))
1682 (while (eq (char-after (point)) ?\ );; body-extension
1683 (elmo-imap4-forward)
1684 (setq ext (append (elmo-imap4-parse-body-extension) ext)))))
1687 (defun elmo-imap4-parse-body ()
1689 (when (eq (char-after (point)) ?\()
1690 (elmo-imap4-forward)
1691 (if (eq (char-after (point)) ?\()
1693 (while (and (eq (char-after (point)) ?\()
1694 (setq subbody (elmo-imap4-parse-body)))
1695 (push subbody body))
1696 (elmo-imap4-forward)
1697 (push (elmo-imap4-parse-string) body);; media-subtype
1698 (when (eq (char-after (point)) ?\ );; body-ext-mpart:
1699 (elmo-imap4-forward)
1700 (if (eq (char-after (point)) ?\();; body-fld-param
1701 (push (elmo-imap4-parse-string-list) body)
1702 (push (and (elmo-imap4-parse-nil) nil) body))
1704 (append (elmo-imap4-parse-body-ext) body)));; body-ext-...
1705 (assert (eq (char-after (point)) ?\)))
1706 (elmo-imap4-forward)
1709 (push (elmo-imap4-parse-string) body);; media-type
1710 (elmo-imap4-forward)
1711 (push (elmo-imap4-parse-string) body);; media-subtype
1712 (elmo-imap4-forward)
1713 ;; next line for Sun SIMS bug
1714 (and (eq (char-after (point)) ? ) (elmo-imap4-forward))
1715 (if (eq (char-after (point)) ?\();; body-fld-param
1716 (push (elmo-imap4-parse-string-list) body)
1717 (push (and (elmo-imap4-parse-nil) nil) body))
1718 (elmo-imap4-forward)
1719 (push (elmo-imap4-parse-nstring) body);; body-fld-id
1720 (elmo-imap4-forward)
1721 (push (elmo-imap4-parse-nstring) body);; body-fld-desc
1722 (elmo-imap4-forward)
1723 (push (elmo-imap4-parse-string) body);; body-fld-enc
1724 (elmo-imap4-forward)
1725 (push (elmo-imap4-parse-number) body);; body-fld-octets
1727 ;; ok, we're done parsing the required parts, what comes now is one
1730 ;; envelope (then we're parsing body-type-msg)
1731 ;; body-fld-lines (then we're parsing body-type-text)
1732 ;; body-ext-1part (then we're parsing body-type-basic)
1734 ;; the problem is that the two first are in turn optionally followed
1735 ;; by the third. So we parse the first two here (if there are any)...
1737 (when (eq (char-after (point)) ?\ )
1738 (elmo-imap4-forward)
1740 (cond ((eq (char-after (point)) ?\();; body-type-msg:
1741 (push (elmo-imap4-parse-envelope) body);; envelope
1742 (elmo-imap4-forward)
1743 (push (elmo-imap4-parse-body) body);; body
1744 (elmo-imap4-forward)
1745 (push (elmo-imap4-parse-number) body));; body-fld-lines
1746 ((setq lines (elmo-imap4-parse-number));; body-type-text:
1747 (push lines body));; body-fld-lines
1749 (backward-char)))));; no match...
1751 ;; ...and then parse the third one here...
1753 (when (eq (char-after (point)) ?\ );; body-ext-1part:
1754 (elmo-imap4-forward)
1755 (push (elmo-imap4-parse-nstring) body);; body-fld-md5
1757 (append (elmo-imap4-parse-body-ext) body)));; body-ext-1part..
1759 (assert (eq (char-after (point)) ?\)))
1760 (elmo-imap4-forward)
1763 (luna-define-method elmo-folder-initialize :around ((folder
1766 (let ((default-user elmo-imap4-default-user)
1767 (default-server elmo-imap4-default-server)
1768 (default-port elmo-imap4-default-port)
1769 (elmo-network-stream-type-alist
1770 (if elmo-imap4-stream-type-alist
1771 (append elmo-imap4-stream-type-alist
1772 elmo-network-stream-type-alist)
1773 elmo-network-stream-type-alist))
1775 (when (string-match "\\(.*\\)@\\(.*\\)" default-server)
1776 ;; case: imap4-default-server is specified like
1777 ;; "hoge%imap.server@gateway".
1778 (setq default-user (elmo-match-string 1 default-server))
1779 (setq default-server (elmo-match-string 2 default-server)))
1780 (setq name (luna-call-next-method))
1782 (setq parse (elmo-parse-token name ":"))
1783 (elmo-imap4-folder-set-mailbox-internal folder
1784 (elmo-imap4-encode-folder-string
1785 (if (eq (length (car parse)) 0)
1786 elmo-imap4-default-mailbox
1789 (setq parse (elmo-parse-prefixed-element ?: (cdr parse) "/"))
1790 (elmo-net-folder-set-user-internal folder
1791 (if (eq (length (car parse)) 0)
1795 (setq parse (elmo-parse-prefixed-element ?/ (cdr parse)))
1796 (elmo-net-folder-set-auth-internal
1798 (if (eq (length (car parse)) 0)
1799 (or elmo-imap4-default-authenticate-type 'clear)
1800 (intern (car parse))))
1801 (unless (elmo-net-folder-server-internal folder)
1802 (elmo-net-folder-set-server-internal folder default-server))
1803 (unless (elmo-net-folder-port-internal folder)
1804 (elmo-net-folder-set-port-internal folder default-port))
1805 (unless (elmo-net-folder-stream-type-internal folder)
1806 (elmo-net-folder-set-stream-type-internal
1808 (elmo-get-network-stream-type elmo-imap4-default-stream-type)))
1811 ;;; ELMO IMAP4 folder
1812 (luna-define-method elmo-folder-expand-msgdb-path ((folder
1814 (convert-standard-filename
1815 (let ((mailbox (elmo-imap4-folder-mailbox-internal folder)))
1816 (if (string= "inbox" (downcase mailbox))
1817 (setq mailbox "inbox"))
1818 (if (eq (string-to-char mailbox) ?/)
1819 (setq mailbox (substring mailbox 1 (length mailbox))))
1823 (or (elmo-net-folder-user-internal folder) "nobody")
1824 (expand-file-name (or (elmo-net-folder-server-internal folder)
1828 elmo-msgdb-directory)))))))
1830 (luna-define-method elmo-folder-status-plugged ((folder
1832 (elmo-imap4-folder-status-plugged folder))
1834 (defun elmo-imap4-folder-status-plugged (folder)
1835 (let ((session (elmo-imap4-get-session folder))
1836 (killed (elmo-msgdb-killed-list-load
1837 (elmo-folder-msgdb-path folder)))
1839 (with-current-buffer (elmo-network-session-buffer session)
1840 (setq elmo-imap4-status-callback nil)
1841 (setq elmo-imap4-status-callback-data nil))
1842 (setq status (elmo-imap4-response-value
1843 (elmo-imap4-send-command-wait
1847 (elmo-imap4-folder-mailbox-internal folder))
1848 " (uidnext messages)"))
1851 (- (elmo-imap4-response-value status 'uidnext) 1)
1854 (elmo-imap4-response-value status 'messages)
1855 (elmo-msgdb-killed-list-length killed))
1856 (elmo-imap4-response-value status 'messages)))))
1858 (luna-define-method elmo-folder-list-messages-plugged ((folder
1861 (elmo-imap4-list folder
1862 (let ((max (elmo-msgdb-max-of-killed
1863 (elmo-folder-killed-list-internal folder))))
1866 (format "uid %d:*" (1+ max))
1869 (luna-define-method elmo-folder-list-unreads-plugged
1870 ((folder elmo-imap4-folder))
1871 (elmo-imap4-list folder "unseen"))
1873 (luna-define-method elmo-folder-list-importants-plugged
1874 ((folder elmo-imap4-folder))
1875 (elmo-imap4-list folder "flagged"))
1877 (luna-define-method elmo-folder-use-flag-p ((folder elmo-imap4-folder))
1878 (not (string-match elmo-imap4-disuse-server-flag-mailbox-regexp
1879 (elmo-imap4-folder-mailbox-internal folder))))
1881 (luna-define-method elmo-folder-list-subfolders ((folder elmo-imap4-folder)
1882 &optional one-level)
1883 (let* ((root (elmo-imap4-folder-mailbox-internal folder))
1884 (session (elmo-imap4-get-session folder))
1885 (prefix (elmo-folder-prefix-internal folder))
1888 (elmo-string-matched-assoc
1890 (with-current-buffer (elmo-network-session-buffer session)
1891 elmo-imap4-server-namespace)))
1892 elmo-imap4-default-hierarchy-delimiter))
1893 result append-serv type)
1894 (setq result (elmo-imap4-response-get-selectable-mailbox-list
1895 (elmo-imap4-send-command-wait
1897 (list "list " (elmo-imap4-mailbox root) " *"))))
1898 (unless (string= (elmo-net-folder-user-internal folder)
1899 elmo-imap4-default-user)
1900 (setq append-serv (concat ":" (elmo-net-folder-user-internal folder))))
1901 (unless (eq (elmo-net-folder-auth-internal folder)
1902 (or elmo-imap4-default-authenticate-type 'clear))
1904 (concat append-serv "/"
1905 (symbol-name (elmo-net-folder-auth-internal folder)))))
1906 (unless (string= (elmo-net-folder-server-internal folder)
1907 elmo-imap4-default-server)
1908 (setq append-serv (concat append-serv "@"
1909 (elmo-net-folder-server-internal folder))))
1910 (unless (eq (elmo-net-folder-port-internal folder) elmo-imap4-default-port)
1911 (setq append-serv (concat append-serv ":"
1913 (elmo-net-folder-port-internal folder)))))
1914 (setq type (elmo-net-folder-stream-type-internal folder))
1915 (unless (eq (elmo-network-stream-type-symbol type)
1916 elmo-imap4-default-stream-type)
1918 (setq append-serv (concat append-serv
1919 (elmo-network-stream-type-spec-string
1922 (let ((re-delim (regexp-quote delim))
1923 folder ret has-child-p)
1926 (not (string= root ""))
1928 (concat "\\(.*\\)" re-delim "\\'")
1930 (setq root (concat root delim)))
1931 (while (setq folder (car result))
1933 (concat "^\\(" (regexp-quote root) "[^" re-delim "]" "+\\)"
1936 (setq folder (match-string 1 folder)))
1937 (setq has-child-p nil
1940 (mapcar (lambda (fld)
1942 (concat "^" (regexp-quote folder)
1943 "\\(" re-delim "\\|\\'\\)")
1945 (progn (setq has-child-p t) nil)
1948 folder (concat prefix
1949 (elmo-imap4-decode-folder-string folder)
1951 (eval append-serv)))
1952 ret (append ret (if has-child-p
1953 (list (list folder))
1956 (mapcar (lambda (fld)
1957 (concat prefix (elmo-imap4-decode-folder-string fld)
1959 (eval append-serv))))
1962 (luna-define-method elmo-folder-exists-p-plugged ((folder elmo-imap4-folder))
1963 (let ((session (elmo-imap4-get-session folder)))
1965 (elmo-imap4-session-current-mailbox-internal session)
1966 (elmo-imap4-folder-mailbox-internal folder))
1968 (elmo-imap4-session-select-mailbox
1970 (elmo-imap4-folder-mailbox-internal folder)
1971 'force 'notify-bye))))
1973 (luna-define-method elmo-folder-writable-p ((folder elmo-imap4-folder))
1976 (luna-define-method elmo-folder-delete :before ((folder elmo-imap4-folder))
1977 (let ((session (elmo-imap4-get-session folder))
1979 (when (elmo-imap4-folder-mailbox-internal folder)
1980 (when (setq msgs (elmo-folder-list-messages folder))
1981 (elmo-folder-delete-messages folder msgs))
1982 (elmo-imap4-send-command-wait session "close")
1983 (elmo-imap4-send-command-wait
1987 (elmo-imap4-folder-mailbox-internal folder)))))))
1989 (luna-define-method elmo-folder-rename-internal ((folder elmo-imap4-folder)
1991 (let ((session (elmo-imap4-get-session folder)))
1992 ;; make sure the folder is selected.
1993 (elmo-imap4-session-select-mailbox session
1994 (elmo-imap4-folder-mailbox-internal
1996 (elmo-imap4-send-command-wait session "close")
1997 (elmo-imap4-send-command-wait
2001 (elmo-imap4-folder-mailbox-internal folder))
2004 (elmo-imap4-folder-mailbox-internal new-folder))))))
2006 (defun elmo-imap4-copy-messages (src-folder dst-folder numbers)
2007 (let ((session (elmo-imap4-get-session src-folder))
2008 (set-list (elmo-imap4-make-number-set-list
2010 elmo-imap4-number-set-chop-length))
2012 (elmo-imap4-session-select-mailbox session
2013 (elmo-imap4-folder-mailbox-internal
2016 (if (elmo-imap4-send-command-wait session
2019 (if elmo-imap4-use-uid
2022 (cdr (car set-list)))
2024 (elmo-imap4-folder-mailbox-internal
2026 (setq succeeds (append succeeds numbers)))
2027 (setq set-list (cdr set-list)))
2030 (defun elmo-imap4-set-flag (folder numbers flag &optional remove)
2031 "Set flag on messages.
2032 FOLDER is the ELMO folder structure.
2033 NUMBERS is the message numbers to be flagged.
2034 FLAG is the flag name.
2035 If optional argument REMOVE is non-nil, remove FLAG."
2036 (let ((session (elmo-imap4-get-session folder))
2038 (elmo-imap4-session-select-mailbox session
2039 (elmo-imap4-folder-mailbox-internal
2041 (setq set-list (elmo-imap4-make-number-set-list
2043 elmo-imap4-number-set-chop-length))
2045 (with-current-buffer (elmo-network-session-buffer session)
2046 (setq elmo-imap4-fetch-callback nil)
2047 (setq elmo-imap4-fetch-callback-data nil))
2048 (unless (elmo-imap4-response-ok-p
2049 (elmo-imap4-send-command-wait
2052 (if elmo-imap4-use-uid
2053 "uid store %s %sflags.silent (%s)"
2054 "store %s %sflags.silent (%s)")
2055 (cdr (car set-list))
2058 (setq response 'fail))
2059 (setq set-list (cdr set-list)))
2060 (not (eq response 'fail))))
2062 (luna-define-method elmo-folder-delete-messages-plugged
2063 ((folder elmo-imap4-folder) numbers)
2064 (let ((session (elmo-imap4-get-session folder)))
2065 (elmo-imap4-set-flag folder numbers "\\Deleted")
2066 (elmo-imap4-send-command-wait session "expunge")))
2068 (defmacro elmo-imap4-detect-search-charset (string)
2069 (` (with-temp-buffer
2071 (detect-mime-charset-region (point-min) (point-max)))))
2073 (defun elmo-imap4-search-internal-primitive (folder session filter from-msgs)
2074 (let ((search-key (elmo-filter-key filter))
2075 (imap-search-keys '("bcc" "body" "cc" "from" "subject" "to"))
2077 (length (length from-msgs))
2078 charset set-list end results)
2079 (message "Searching...")
2081 ((string= "last" search-key)
2082 (let ((numbers (or from-msgs (elmo-folder-list-messages folder))))
2083 (nthcdr (max (- (length numbers)
2084 (string-to-int (elmo-filter-value filter)))
2087 ((string= "first" search-key)
2088 (let* ((numbers (or from-msgs (elmo-folder-list-messages folder)))
2089 (rest (nthcdr (string-to-int (elmo-filter-value filter) )
2091 (mapcar '(lambda (x) (delete x numbers)) rest)
2093 ((or (string= "since" search-key)
2094 (string= "before" search-key))
2095 (setq search-key (concat "sent" search-key)
2096 set-list (elmo-imap4-make-number-set-list
2098 elmo-imap4-number-set-chop-length)
2104 (elmo-imap4-response-value
2105 (elmo-imap4-send-command-wait
2108 (if elmo-imap4-use-uid
2109 "uid search %s%s%s %s"
2113 (if elmo-imap4-use-uid "uid ")
2114 (cdr (car set-list))
2117 (if (eq (elmo-filter-type filter)
2121 (elmo-date-get-description
2122 (elmo-date-get-datevec
2123 (elmo-filter-value filter)))))
2125 (when (> length elmo-display-progress-threshold)
2126 (setq total (+ total (car (car set-list))))
2127 (elmo-display-progress
2128 'elmo-imap4-search "Searching..."
2129 (/ (* total 100) length)))
2130 (setq set-list (cdr set-list)
2131 end (null set-list)))
2135 (if (eq (length (elmo-filter-value filter)) 0)
2136 (setq charset 'us-ascii)
2137 (elmo-imap4-detect-search-charset
2138 (elmo-filter-value filter)))
2139 set-list (elmo-imap4-make-number-set-list
2141 elmo-imap4-number-set-chop-length)
2147 (elmo-imap4-response-value
2148 (elmo-imap4-send-command-wait
2151 (if elmo-imap4-use-uid "uid ")
2155 (symbol-name charset))
2159 (if elmo-imap4-use-uid "uid ")
2160 (cdr (car set-list))
2163 (if (eq (elmo-filter-type filter)
2168 (elmo-filter-key filter)
2172 (elmo-filter-key filter))
2174 (encode-mime-charset-string
2175 (elmo-filter-value filter) charset))))
2177 (when (> length elmo-display-progress-threshold)
2178 (setq total (+ total (car (car set-list))))
2179 (elmo-display-progress
2180 'elmo-imap4-search "Searching..."
2181 (/ (* total 100) length)))
2182 (setq set-list (cdr set-list)
2183 end (null set-list)))
2186 (defun elmo-imap4-search-internal (folder session condition from-msgs)
2189 ((vectorp condition)
2190 (setq result (elmo-imap4-search-internal-primitive
2191 folder session condition from-msgs)))
2192 ((eq (car condition) 'and)
2193 (setq result (elmo-imap4-search-internal folder session (nth 1 condition)
2195 result (elmo-list-filter result
2196 (elmo-imap4-search-internal
2197 folder session (nth 2 condition)
2199 ((eq (car condition) 'or)
2200 (setq result (elmo-imap4-search-internal
2201 folder session (nth 1 condition) from-msgs)
2202 result (elmo-uniq-list
2204 (elmo-imap4-search-internal
2205 folder session (nth 2 condition) from-msgs)))
2206 result (sort result '<))))))
2208 (luna-define-method elmo-folder-search ((folder elmo-imap4-folder)
2209 condition &optional numbers)
2211 (let ((session (elmo-imap4-get-session folder)))
2212 (elmo-imap4-session-select-mailbox
2214 (elmo-imap4-folder-mailbox-internal folder))
2215 (elmo-imap4-search-internal folder session condition numbers))))
2217 (luna-define-method elmo-folder-msgdb-create-plugged
2218 ((folder elmo-imap4-folder) numbers &rest args)
2220 (let ((session (elmo-imap4-get-session folder))
2223 '("Subject" "From" "To" "Cc" "Date"
2224 "Message-Id" "References" "In-Reply-To")
2225 elmo-msgdb-extra-fields))
2227 (length (length numbers))
2229 (setq rfc2060 (memq 'imap4rev1
2230 (elmo-imap4-session-capability-internal
2232 (message "Getting overview...")
2233 (elmo-imap4-session-select-mailbox
2234 session (elmo-imap4-folder-mailbox-internal folder))
2235 (setq set-list (elmo-imap4-make-number-set-list
2237 elmo-imap4-overview-fetch-chop-length))
2239 (with-current-buffer (elmo-network-session-buffer session)
2240 (setq elmo-imap4-current-msgdb nil
2241 elmo-imap4-seen-messages nil
2242 elmo-imap4-fetch-callback 'elmo-imap4-fetch-callback-1
2243 elmo-imap4-fetch-callback-data (cons args
2244 (elmo-folder-use-flag-p
2247 (elmo-imap4-send-command-wait
2249 ;; get overview entity from IMAP4
2250 (format "%sfetch %s (%s rfc822.size flags)"
2251 (if elmo-imap4-use-uid "uid " "")
2252 (cdr (car set-list))
2254 (format "body.peek[header.fields %s]" headers)
2255 (format "%s" headers))))
2256 (when (> length elmo-display-progress-threshold)
2257 (setq total (+ total (car (car set-list))))
2258 (elmo-display-progress
2259 'elmo-imap4-msgdb-create "Getting overview..."
2260 (/ (* total 100) length)))
2261 (setq set-list (cdr set-list)))
2262 (message "Getting overview...done")
2263 (when elmo-imap4-seen-messages
2264 (elmo-imap4-set-flag folder elmo-imap4-seen-messages "\\Seen"))
2265 elmo-imap4-current-msgdb))))
2267 (luna-define-method elmo-folder-unmark-important-plugged
2268 ((folder elmo-imap4-folder) numbers)
2269 (elmo-imap4-set-flag folder numbers "\\Flagged" 'remove))
2271 (luna-define-method elmo-folder-mark-as-important-plugged
2272 ((folder elmo-imap4-folder) numbers)
2273 (elmo-imap4-set-flag folder numbers "\\Flagged"))
2275 (luna-define-method elmo-folder-unmark-read-plugged
2276 ((folder elmo-imap4-folder) numbers)
2277 (elmo-imap4-set-flag folder numbers "\\Seen" 'remove))
2279 (luna-define-method elmo-folder-mark-as-read-plugged
2280 ((folder elmo-imap4-folder) numbers)
2281 (elmo-imap4-set-flag folder numbers "\\Seen"))
2283 (luna-define-method elmo-message-use-cache-p ((folder elmo-imap4-folder)
2285 elmo-imap4-use-cache)
2287 (luna-define-method elmo-folder-message-appendable-p ((folder elmo-imap4-folder))
2288 (if (elmo-folder-plugged-p folder)
2289 (not (elmo-imap4-session-read-only-internal
2290 (elmo-imap4-get-session folder)))
2291 elmo-enable-disconnected-operation)) ; offline refile.
2293 (luna-define-method elmo-folder-check-plugged ((folder elmo-imap4-folder))
2294 (let ((session (elmo-imap4-get-session folder 'if-exists)))
2297 (elmo-imap4-session-current-mailbox-internal session)
2298 (elmo-imap4-folder-mailbox-internal folder))
2299 (if elmo-imap4-use-select-to-update-status
2300 (elmo-imap4-session-select-mailbox
2302 (elmo-imap4-folder-mailbox-internal folder)
2304 (elmo-imap4-session-check session))))))
2306 (defsubst elmo-imap4-folder-diff-plugged (folder)
2307 (let ((session (elmo-imap4-get-session folder))
2310 ;;; (elmo-imap4-commit spec)
2311 (with-current-buffer (elmo-network-session-buffer session)
2312 (setq elmo-imap4-status-callback nil)
2313 (setq elmo-imap4-status-callback-data nil))
2315 (elmo-imap4-send-command-wait session
2319 (elmo-imap4-folder-mailbox-internal
2321 " (recent unseen messages)")))
2322 (setq response (elmo-imap4-response-value response 'status))
2323 (setq messages (elmo-imap4-response-value response 'messages))
2324 (setq killed (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder)))
2326 (setq messages (- messages
2327 (elmo-msgdb-killed-list-length
2329 (list (elmo-imap4-response-value response 'recent)
2330 (elmo-imap4-response-value response 'unseen)
2333 (luna-define-method elmo-folder-diff-plugged ((folder elmo-imap4-folder))
2334 (elmo-imap4-folder-diff-plugged folder))
2336 (luna-define-method elmo-folder-diff-async ((folder elmo-imap4-folder)
2337 &optional number-alist)
2338 (setq elmo-imap4-server-diff-async-callback
2339 elmo-folder-diff-async-callback)
2340 (setq elmo-imap4-server-diff-async-callback-data
2341 elmo-folder-diff-async-callback-data)
2342 (elmo-imap4-server-diff-async folder))
2344 (luna-define-method elmo-folder-open :around ((folder elmo-imap4-folder)
2345 &optional load-msgdb)
2346 (if (elmo-folder-plugged-p folder)
2347 (let (session mailbox msgdb response tag)
2350 (setq session (elmo-imap4-get-session folder)
2351 mailbox (elmo-imap4-folder-mailbox-internal folder)
2352 tag (elmo-imap4-send-command session
2357 (setq msgdb (elmo-msgdb-load folder)))
2358 (elmo-folder-set-killed-list-internal
2360 (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder)))
2361 (setq response (elmo-imap4-read-response session tag)))
2364 (elmo-imap4-session-set-current-mailbox-internal
2367 (elmo-imap4-session-set-current-mailbox-internal
2371 (elmo-imap4-session-set-current-mailbox-internal
2374 (elmo-imap4-session-set-current-mailbox-internal
2377 (elmo-folder-set-msgdb-internal
2379 (or msgdb (elmo-msgdb-load folder)))))
2380 (luna-call-next-method)))
2382 ;; elmo-folder-open-internal: do nothing.
2384 (luna-define-method elmo-find-fetch-strategy
2385 ((folder elmo-imap4-folder) entity &optional ignore-cache)
2386 (let ((number (elmo-msgdb-overview-entity-get-number entity))
2387 cache-file size message-id)
2388 (setq size (elmo-msgdb-overview-entity-get-size entity))
2389 (setq message-id (elmo-msgdb-overview-entity-get-id entity))
2390 (setq cache-file (elmo-file-cache-get message-id))
2391 (if (or ignore-cache
2392 (null (elmo-file-cache-status cache-file)))
2393 (if (and elmo-message-fetch-threshold
2395 (>= size elmo-message-fetch-threshold)
2396 (or (not elmo-message-fetch-confirm)
2397 (not (prog1 (y-or-n-p
2399 "Fetch entire message at once? (%dbytes)"
2402 ;; Fetch message as imap message.
2403 (elmo-make-fetch-strategy 'section
2405 (elmo-message-use-cache-p
2407 (elmo-file-cache-path
2409 ;; Don't use existing cache and fetch entire message at once.
2410 (elmo-make-fetch-strategy 'entire nil
2411 (elmo-message-use-cache-p
2413 (elmo-file-cache-path cache-file)))
2414 ;; Cache found and use it.
2415 (if (not ignore-cache)
2416 (if (eq (elmo-file-cache-status cache-file) 'section)
2417 ;; Fetch message with imap message.
2418 (elmo-make-fetch-strategy 'section
2420 (elmo-message-use-cache-p
2422 (elmo-file-cache-path
2424 (elmo-make-fetch-strategy 'entire
2426 (elmo-message-use-cache-p
2428 (elmo-file-cache-path
2431 (luna-define-method elmo-folder-create ((folder elmo-imap4-folder))
2432 (elmo-imap4-send-command-wait
2433 (elmo-imap4-get-session folder)
2436 (elmo-imap4-folder-mailbox-internal folder)))))
2438 (luna-define-method elmo-folder-append-buffer
2439 ((folder elmo-imap4-folder) unread &optional number)
2440 (if (elmo-folder-plugged-p folder)
2441 (let ((session (elmo-imap4-get-session folder))
2443 (elmo-imap4-session-select-mailbox session
2444 (elmo-imap4-folder-mailbox-internal
2446 (setq send-buffer (elmo-imap4-setup-send-buffer))
2449 (elmo-imap4-send-command-wait
2453 (elmo-imap4-mailbox (elmo-imap4-folder-mailbox-internal
2455 (if unread " " " (\\Seen) ")
2456 (elmo-imap4-buffer-literal send-buffer))))
2457 (kill-buffer send-buffer))
2460 (if elmo-enable-disconnected-operation
2461 (elmo-folder-append-buffer-dop folder unread number)
2462 (error "Unplugged"))))
2465 (defmacro elmo-imap4-identical-system-p (folder1 folder2)
2466 "Return t if FOLDER1 and FOLDER2 are in the same IMAP4 system."
2467 (` (and (string= (elmo-net-folder-server-internal (, folder1))
2468 (elmo-net-folder-server-internal (, folder2)))
2469 (eq (elmo-net-folder-port-internal (, folder1))
2470 (elmo-net-folder-port-internal (, folder2)))
2471 (string= (elmo-net-folder-user-internal (, folder1))
2472 (elmo-net-folder-user-internal (, folder2)))))))
2474 (luna-define-method elmo-folder-append-messages :around
2475 ((folder elmo-imap4-folder) src-folder numbers unread-marks
2476 &optional same-number)
2477 (if (and (eq (elmo-folder-type-internal src-folder) 'imap4)
2478 (elmo-imap4-identical-system-p folder src-folder)
2479 (elmo-folder-plugged-p folder))
2482 (elmo-imap4-copy-messages src-folder folder numbers)
2483 (elmo-progress-notify 'elmo-folder-move-messages (length numbers)))
2484 (luna-call-next-method)))
2486 (luna-define-method elmo-message-deletable-p ((folder elmo-imap4-folder)
2488 (if (elmo-folder-plugged-p folder)
2489 (not (elmo-imap4-session-read-only-internal
2490 (elmo-imap4-get-session folder)))
2491 elmo-enable-disconnected-operation)) ; offline refile.
2493 ;(luna-define-method elmo-message-fetch-unplugged
2494 ; ((folder elmo-imap4-folder)
2495 ; number strategy &optional section outbuf unseen)
2496 ; (error "%d%s is not cached." number (if section
2497 ; (format "(%s)" section)
2500 (defsubst elmo-imap4-message-fetch (folder number strategy
2501 section outbuf unseen)
2502 (let ((session (elmo-imap4-get-session folder))
2504 (elmo-imap4-session-select-mailbox session
2505 (elmo-imap4-folder-mailbox-internal
2507 (with-current-buffer (elmo-network-session-buffer session)
2508 (setq elmo-imap4-fetch-callback nil)
2509 (setq elmo-imap4-fetch-callback-data nil))
2510 (unless elmo-inhibit-display-retrieval-progress
2511 (setq elmo-imap4-display-literal-progress t))
2514 (elmo-imap4-send-command-wait session
2516 (if elmo-imap4-use-uid
2517 "uid fetch %s body%s[%s]"
2518 "fetch %s body%s[%s]")
2520 (if unseen ".peek" "")
2523 (setq elmo-imap4-display-literal-progress nil))
2524 (unless elmo-inhibit-display-retrieval-progress
2525 (elmo-display-progress 'elmo-imap4-display-literal-progress
2526 "" 100) ; remove progress bar.
2527 (message "Retrieving...done."))
2528 (if (setq response (elmo-imap4-response-bodydetail-text
2529 (elmo-imap4-response-value-all
2531 (with-current-buffer outbuf
2536 (luna-define-method elmo-message-fetch-plugged ((folder elmo-imap4-folder)
2540 (elmo-imap4-message-fetch folder number strategy section outbuf unseen))
2542 (luna-define-method elmo-message-fetch-field ((folder elmo-imap4-folder)
2544 (let ((session (elmo-imap4-get-session folder)))
2545 (elmo-imap4-session-select-mailbox session
2546 (elmo-imap4-folder-mailbox-internal
2548 (with-current-buffer (elmo-network-session-buffer session)
2549 (setq elmo-imap4-fetch-callback nil)
2550 (setq elmo-imap4-fetch-callback-data nil))
2553 (elmo-imap4-response-bodydetail-text
2554 (elmo-imap4-response-value
2555 (elmo-imap4-send-command-wait session
2557 (if elmo-imap4-use-uid
2560 "fetch %s (body.peek[header.fields (%s)])"
2563 (elmo-delete-cr-buffer)
2564 (goto-char (point-min))
2565 (std11-field-body (symbol-name field)))))
2570 (product-provide (provide 'elmo-imap4) (require 'elmo-version))
2572 ;;; elmo-imap4.el ends here