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-overview-fetch-chop-length 200
55 "*Number of overviews to fetch in one request.")
57 ;; c.f. rfc2683 3.2.1.5 Long Command Lines
59 ;; "A client should limit the length of the command lines it generates
60 ;; to approximately 1000 octets (including all quoted strings but not
61 ;; including literals). If the client is unable to group things into
62 ;; ranges so that the command line is within that length, it should
63 ;; split the request into multiple commands. The client should use
64 ;; literals instead of long quoted strings, in order to keep the command
66 ;; For its part, a server should allow for a command line of at least
67 ;; 8000 octets. This provides plenty of leeway for accepting reasonable
68 ;; length commands from clients. The server should send a BAD response
69 ;; to a command that does not end within the server's maximum accepted
72 ;; To limit command line length, chop number set.
73 (defvar elmo-imap4-number-set-chop-length 1000
74 "*Number of messages to specify as a number-set argument for one request.")
76 (defvar elmo-imap4-force-login nil
77 "*Non-nil forces to try 'login' if there is no 'auth' capability in imapd.")
79 (defvar elmo-imap4-use-select-to-update-status nil
80 "*Some imapd have to send select command to update status.
81 \(ex. UW imapd 4.5-BETA?\). For these imapd, you must set this variable t.")
83 (defvar elmo-imap4-use-modified-utf7 nil
84 "*Use mofidied UTF-7 (rfc2060) encoding for IMAP4 folder name.")
86 (defvar elmo-imap4-use-cache t
87 "Use cache in imap4 folder.")
89 (defvar elmo-imap4-extra-namespace-alist
90 '(("^\\({.*/nntp}\\).*$" . ".")) ; Default is for UW's remote nntp mailbox...
91 "Extra namespace alist.
92 A list of cons cell like: (REGEXP . DELIMITER).
93 REGEXP should have a grouping for namespace prefix.")
95 ;;; internal variables
97 (defvar elmo-imap4-seq-prefix "elmo-imap4")
98 (defvar elmo-imap4-seqno 0)
99 (defvar elmo-imap4-use-uid t
100 "Use UID as message number.")
102 (defvar elmo-imap4-current-response nil)
103 (defvar elmo-imap4-status nil)
104 (defvar elmo-imap4-reached-tag "elmo-imap40")
106 ;;; buffer local variables
107 (defvar elmo-imap4-default-hierarchy-delimiter "/")
109 (defvar elmo-imap4-server-capability nil)
110 (defvar elmo-imap4-server-namespace nil)
112 (defvar elmo-imap4-parsing nil) ; indicates parsing.
114 (defvar elmo-imap4-fetch-callback nil)
115 (defvar elmo-imap4-fetch-callback-data nil)
116 (defvar elmo-imap4-status-callback nil)
117 (defvar elmo-imap4-status-callback-data nil)
119 (defvar elmo-imap4-server-diff-async-callback nil)
120 (defvar elmo-imap4-server-diff-async-callback-data nil)
122 ;;; progress...(no use?)
123 (defvar elmo-imap4-count-progress nil)
124 (defvar elmo-imap4-count-progress-message nil)
125 (defvar elmo-imap4-progress-count nil)
127 ;;; XXX Temporal implementation
128 (defvar elmo-imap4-current-msgdb nil)
129 (defvar elmo-imap4-seen-messages nil)
131 (defvar elmo-imap4-local-variables
133 elmo-imap4-current-response
136 elmo-imap4-reached-tag
137 elmo-imap4-count-progress
138 elmo-imap4-count-progress-message
139 elmo-imap4-progress-count
140 elmo-imap4-fetch-callback
141 elmo-imap4-fetch-callback-data
142 elmo-imap4-status-callback
143 elmo-imap4-status-callback-data
144 elmo-imap4-current-msgdb
145 elmo-imap4-seen-messages))
149 (defconst elmo-imap4-quoted-specials-list '(?\\ ?\"))
151 (defconst elmo-imap4-non-atom-char-regex
153 (concat "[^" "]!#$&'+,./0-9:;<=>?@A-Z[^_`a-z|}~-" "]")))
155 (defconst elmo-imap4-non-text-char-regex
158 "]\x01-\x09\x0b\x0c\x0e-\x1f\x7f !\"#$%&'()*+,./0-9:;<=>?@A-Z[\\^_`a-z{|}~-"
161 (defconst elmo-imap4-literal-threshold 1024
162 "Limitation of characters that can be used in a quoted string.")
165 (defvar elmo-imap4-debug nil
166 "Non-nil forces IMAP4 folder as debug mode.
167 Debug information is inserted in the buffer \"*IMAP4 DEBUG*\"")
169 (defvar elmo-imap4-debug-inhibit-logging nil)
171 ;;; ELMO IMAP4 folder
173 (luna-define-class elmo-imap4-folder (elmo-net-folder)
175 (luna-define-internal-accessors 'elmo-imap4-folder))
179 (luna-define-class elmo-imap4-session (elmo-network-session)
180 (capability current-mailbox read-only flags))
181 (luna-define-internal-accessors 'elmo-imap4-session))
183 ;;; MIME-ELMO-IMAP Location
185 (luna-define-class mime-elmo-imap-location
187 (folder number rawbuf strategy))
188 (luna-define-internal-accessors 'mime-elmo-imap-location))
191 (defmacro elmo-imap4-debug (message &rest args)
192 (` (if elmo-imap4-debug
193 (elmo-imap4-debug-1 (, message) (,@ args)))))
195 (defun elmo-imap4-debug-1 (message &rest args)
196 (with-current-buffer (get-buffer-create "*IMAP4 DEBUG*")
197 (goto-char (point-max))
198 (if elmo-imap4-debug-inhibit-logging
199 (insert "NO LOGGING\n")
200 (insert (apply 'format message args) "\n"))))
202 (defsubst elmo-imap4-decode-folder-string (string)
203 (if elmo-imap4-use-modified-utf7
204 (utf7-decode-string string 'imap)
207 (defsubst elmo-imap4-encode-folder-string (string)
208 (if elmo-imap4-use-modified-utf7
209 (utf7-encode-string string 'imap)
214 (defmacro elmo-imap4-response-continue-req-p (response)
215 "Returns non-nil if RESPONSE is '+' response."
216 (` (assq 'continue-req (, response))))
218 (defmacro elmo-imap4-response-ok-p (response)
219 "Returns non-nil if RESPONSE is an 'OK' response."
220 (` (assq 'ok (, response))))
222 (defmacro elmo-imap4-response-bye-p (response)
223 "Returns non-nil if RESPONSE is an 'BYE' response."
224 (` (assq 'bye (, response))))
226 (defmacro elmo-imap4-response-garbage-p (response)
227 "Returns non-nil if RESPONSE is an 'garbage' response."
228 (` (assq 'garbage (, response))))
230 (defmacro elmo-imap4-response-value (response symbol)
231 "Get value of the SYMBOL from RESPONSE."
232 (` (nth 1 (assq (, symbol) (, response)))))
234 (defsubst elmo-imap4-response-value-all (response symbol)
235 "Get all value of the SYMBOL from RESPONSE."
238 (if (eq (car (car response)) symbol)
239 (setq matched (nconc matched (nth 1 (car response)))))
240 (setq response (cdr response)))
243 (defmacro elmo-imap4-response-error-text (response)
244 "Returns text of NO, BAD, BYE response."
245 (` (nth 1 (or (elmo-imap4-response-value (, response) 'no)
246 (elmo-imap4-response-value (, response) 'bad)
247 (elmo-imap4-response-value (, response) 'bye)))))
249 (defmacro elmo-imap4-response-bodydetail-text (response)
250 "Returns text of BODY[section]<partial>."
251 (` (nth 3 (assq 'bodydetail (, response)))))
253 ;;; Session commands.
255 ; (defun elmo-imap4-send-command-wait (session command)
256 ; "Send COMMAND to the SESSION and wait for response.
257 ; Returns RESPONSE (parsed lisp object) of IMAP session."
258 ; (elmo-imap4-read-response session
259 ; (elmo-imap4-send-command
263 (defun elmo-imap4-send-command-wait (session command)
264 "Send COMMAND to the SESSION.
265 Returns RESPONSE (parsed lisp object) of IMAP session.
266 If response is not `OK', causes error with IMAP response text."
267 (elmo-imap4-accept-ok session
268 (elmo-imap4-send-command
272 (defun elmo-imap4-send-command (session command)
273 "Send COMMAND to the SESSION.
274 Returns a TAG string which is assigned to the COMMAND."
275 (let* ((command-args (if (listp command)
278 (process (elmo-network-session-process-internal session))
279 cmdstr tag token kind)
280 (with-current-buffer (process-buffer process)
281 (setq tag (concat elmo-imap4-seq-prefix
283 (setq elmo-imap4-seqno (+ 1 elmo-imap4-seqno)))))
284 (setq cmdstr (concat tag " "))
285 ;; (erase-buffer) No need.
286 (goto-char (point-min))
287 (when (elmo-imap4-response-bye-p elmo-imap4-current-response)
288 (elmo-imap4-process-bye session))
289 (setq elmo-imap4-current-response nil)
290 (when elmo-imap4-parsing
291 (message "Waiting for IMAP response...")
292 (accept-process-output (elmo-network-session-process-internal
294 (message "Waiting for IMAP response...done"))
295 (setq elmo-imap4-parsing t)
296 (elmo-imap4-debug "<-(%s)- %s" tag command)
297 (while (setq token (car command-args))
298 (cond ((stringp token) ; formatted
299 (setq cmdstr (concat cmdstr token)))
300 ((listp token) ; unformatted
301 (setq kind (car token))
302 (cond ((eq kind 'atom)
303 (setq cmdstr (concat cmdstr (nth 1 token))))
307 (elmo-imap4-format-quoted (nth 1 token)))))
309 (setq cmdstr (concat cmdstr
310 (format "{%d}" (nth 2 token))))
311 (process-send-string process cmdstr)
312 (process-send-string process "\r\n")
314 (elmo-imap4-accept-continue-req session)
315 (cond ((stringp (nth 1 token))
316 (setq cmdstr (nth 1 token)))
317 ((bufferp (nth 1 token))
318 (with-current-buffer (nth 1 token)
322 (+ (point-min) (nth 2 token)))))
324 (error "Wrong argument for literal"))))
326 (error "Unknown token kind %s" kind))))
328 (error "Invalid argument")))
329 (setq command-args (cdr command-args)))
331 (process-send-string process cmdstr))
332 (process-send-string process "\r\n")
335 (defun elmo-imap4-send-string (session string)
336 "Send STRING to the SESSION."
337 (with-current-buffer (process-buffer
338 (elmo-network-session-process-internal session))
339 (setq elmo-imap4-current-response nil)
340 (goto-char (point-min))
341 (elmo-imap4-debug "<-- %s" string)
342 (process-send-string (elmo-network-session-process-internal session)
344 (process-send-string (elmo-network-session-process-internal session)
347 (defun elmo-imap4-read-response (session tag)
348 "Read parsed response from SESSION.
349 TAG is the tag of the command"
350 (with-current-buffer (process-buffer
351 (elmo-network-session-process-internal session))
352 (while (not (or (string= tag elmo-imap4-reached-tag)
353 (elmo-imap4-response-bye-p elmo-imap4-current-response)
354 (when (elmo-imap4-response-garbage-p
355 elmo-imap4-current-response)
356 (message "Garbage response: %s"
357 (elmo-imap4-response-value
358 elmo-imap4-current-response
361 (when (memq (process-status
362 (elmo-network-session-process-internal session))
364 (accept-process-output (elmo-network-session-process-internal session)
366 (elmo-imap4-debug "=>%s" (prin1-to-string elmo-imap4-current-response))
367 (setq elmo-imap4-parsing nil)
368 elmo-imap4-current-response))
370 (defsubst elmo-imap4-read-untagged (process)
371 (with-current-buffer (process-buffer process)
372 (while (not elmo-imap4-current-response)
373 (accept-process-output process 1))
374 (elmo-imap4-debug "=>%s" (prin1-to-string elmo-imap4-current-response))
375 elmo-imap4-current-response))
377 (defun elmo-imap4-read-continue-req (session)
378 "Returns a text following to continue-req in SESSION.
379 If response is not `+' response, returns nil."
380 (elmo-imap4-response-value
381 (elmo-imap4-read-untagged
382 (elmo-network-session-process-internal session))
385 (defun elmo-imap4-process-bye (session)
386 (with-current-buffer (elmo-network-session-buffer session)
387 (let ((r elmo-imap4-current-response))
388 (setq elmo-imap4-current-response nil)
389 (elmo-network-close-session session)
390 (signal 'elmo-imap4-bye-error
391 (list (concat (elmo-imap4-response-error-text r))
394 (defun elmo-imap4-accept-continue-req (session)
395 "Returns non-nil if `+' (continue-req) response is arrived in SESSION.
396 If response is not `+' response, cause an error."
399 (elmo-imap4-read-untagged
400 (elmo-network-session-process-internal session)))
401 (or (elmo-imap4-response-continue-req-p response)
402 (error "IMAP error: %s"
403 (or (elmo-imap4-response-error-text response)
404 "No continut-req from server.")))))
406 (defun elmo-imap4-read-ok (session tag)
407 "Returns non-nil if `OK' response of the command with TAG is arrived
408 in SESSION. If response is not `OK' response, returns nil."
409 (elmo-imap4-response-ok-p
410 (elmo-imap4-read-response session tag)))
412 (defun elmo-imap4-accept-ok (session tag)
413 "Accept only `OK' response from SESSION.
414 If response is not `OK' response, causes error with IMAP response text."
415 (let ((response (elmo-imap4-read-response session tag)))
416 (if (elmo-imap4-response-ok-p response)
418 (if (elmo-imap4-response-bye-p response)
419 (elmo-imap4-process-bye session)
420 (error "IMAP error: %s"
421 (or (elmo-imap4-response-error-text response)
422 "No `OK' response from server."))))))
424 ;;; MIME-ELMO-IMAP Location
425 (luna-define-method mime-imap-location-section-body ((location
426 mime-elmo-imap-location)
428 (if (and (stringp section)
429 (string= section "HEADER"))
430 ;; Even in the section mode, header fields should be saved to the
432 (with-current-buffer (mime-elmo-imap-location-rawbuf-internal location)
435 (mime-elmo-imap-location-folder-internal location)
436 (mime-elmo-imap-location-number-internal location)
437 (mime-elmo-imap-location-strategy-internal location)
443 (mime-elmo-imap-location-folder-internal location)
444 (mime-elmo-imap-location-number-internal location)
445 (mime-elmo-imap-location-strategy-internal location)
450 (luna-define-method mime-imap-location-bodystructure
451 ((location mime-elmo-imap-location))
452 (elmo-imap4-fetch-bodystructure
453 (mime-elmo-imap-location-folder-internal location)
454 (mime-elmo-imap-location-number-internal location)
455 (mime-elmo-imap-location-strategy-internal location)))
457 (luna-define-method mime-imap-location-fetch-entity-p
458 ((location mime-elmo-imap-location) entity)
459 (or (not elmo-message-displaying) ; Fetching entity to save or force display.
463 (mmimap-entity-section (mime-entity-node-id-internal entity))
464 (elmo-fetch-strategy-cache-path
465 (mime-elmo-imap-location-strategy-internal location))))
466 ;; not too large to fetch.
467 (> elmo-message-fetch-threshold
468 (or (mime-imap-entity-size-internal entity) 0))))
472 (defun elmo-imap4-session-check (session)
473 (with-current-buffer (elmo-network-session-buffer session)
474 (setq elmo-imap4-fetch-callback nil)
475 (setq elmo-imap4-fetch-callback-data nil))
476 (elmo-imap4-send-command session "check"))
478 (defun elmo-imap4-atom-p (string)
479 "Return t if STRING is an atom defined in rfc2060."
480 (if (string= string "")
483 (not (string-match elmo-imap4-non-atom-char-regex string)))))
485 (defun elmo-imap4-quotable-p (string)
486 "Return t if STRING can be formatted as a quoted defined in rfc2060."
488 (not (string-match elmo-imap4-non-text-char-regex string))))
490 (defun elmo-imap4-nil (string)
491 "Return a list represents the special atom \"NIL\" defined in rfc2060, \
493 Otherwise return nil."
497 (defun elmo-imap4-atom (string)
498 "Return a list represents STRING as an atom defined in rfc2060.
499 Return nil if STRING is not an atom. See `elmo-imap4-atom-p'."
500 (if (elmo-imap4-atom-p string)
501 (list 'atom string)))
503 (defun elmo-imap4-quoted (string)
504 "Return a list represents STRING as a quoted defined in rfc2060.
505 Return nil if STRING can not be formatted as a quoted. See `elmo-imap4-quotable-p'."
506 (if (elmo-imap4-quotable-p string)
507 (list 'quoted string)))
509 (defun elmo-imap4-literal-1 (string-or-buffer length)
510 "Internal function for `elmo-imap4-literal' and `elmo-imap4-buffer-literal'.
511 Return a list represents STRING-OR-BUFFER as a literal defined in rfc2060.
512 STRING-OR-BUFFER must be an encoded string or a single-byte string or a single-byte buffer.
513 LENGTH must be the number of octets for STRING-OR-BUFFER."
514 (list 'literal string-or-buffer length))
516 (defun elmo-imap4-literal (string)
517 "Return a list represents STRING as a literal defined in rfc2060.
518 STRING must be an encoded or a single-byte string."
519 (elmo-imap4-literal-1 string (length string)))
521 (defun elmo-imap4-buffer-literal (buffer)
522 "Return a list represents BUFFER as a literal defined in rfc2060.
523 BUFFER must be a single-byte buffer."
524 (elmo-imap4-literal-1 buffer (with-current-buffer buffer
527 (defun elmo-imap4-string-1 (string length)
528 "Internal function for `elmo-imap4-string' and `elmo-imap4-buffer-string'.
529 Return a list represents STRING as a string defined in rfc2060.
530 STRING must be an encoded or a single-byte string.
531 LENGTH must be the number of octets for STRING."
532 (or (elmo-imap4-quoted string)
533 (elmo-imap4-literal-1 string length)))
535 (defun elmo-imap4-string (string)
536 "Return a list represents STRING as a string defined in rfc2060.
537 STRING must be an encoded or a single-byte string."
538 (let ((length (length string)))
539 (if (< elmo-imap4-literal-threshold length)
540 (elmo-imap4-literal-1 string length)
541 (elmo-imap4-string-1 string length))))
543 (defun elmo-imap4-buffer-string (buffer)
544 "Return a list represents BUFFER as a string defined in rfc2060.
545 BUFFER must be a single-byte buffer."
546 (let ((length (with-current-buffer buffer
548 (if (< elmo-imap4-literal-threshold length)
549 (elmo-imap4-literal-1 buffer length)
550 (elmo-imap4-string-1 (with-current-buffer buffer
554 (defun elmo-imap4-astring-1 (string length)
555 "Internal function for `elmo-imap4-astring' and `elmo-imap4-buffer-astring'.
556 Return a list represents STRING as an astring defined in rfc2060.
557 STRING must be an encoded or a single-byte string.
558 LENGTH must be the number of octets for STRING."
559 (or (elmo-imap4-atom string)
560 (elmo-imap4-string-1 string length)))
562 (defun elmo-imap4-astring (string)
563 "Return a list represents STRING as an astring defined in rfc2060.
564 STRING must be an encoded or a single-byte string."
565 (let ((length (length string)))
566 (if (< elmo-imap4-literal-threshold length)
567 (elmo-imap4-literal-1 string length)
568 (elmo-imap4-astring-1 string length))))
570 (defun elmo-imap4-buffer-astring (buffer)
571 "Return a list represents BUFFER as an astring defined in rfc2060.
572 BUFFER must be a single-byte buffer."
573 (let ((length (with-current-buffer buffer
575 (if (< elmo-imap4-literal-threshold length)
576 (elmo-imap4-literal-1 buffer length)
577 (elmo-imap4-astring-1 (with-current-buffer buffer
581 (defun elmo-imap4-nstring (string)
582 "Return a list represents STRING as a nstring defined in rfc2060.
583 STRING must be an encoded or a single-byte string."
584 (or (elmo-imap4-nil string)
585 (elmo-imap4-string string)))
587 (defun elmo-imap4-buffer-nstring (buffer)
588 "Return a list represents BUFFER as a nstring defined in rfc2060.
589 BUFFER must be a single-byte buffer."
590 (or (elmo-imap4-nil buffer)
591 (elmo-imap4-buffer-string buffer)))
593 (defalias 'elmo-imap4-mailbox 'elmo-imap4-astring)
594 (defalias 'elmo-imap4-field-body 'elmo-imap4-astring)
595 (defalias 'elmo-imap4-userid 'elmo-imap4-astring)
596 (defalias 'elmo-imap4-password 'elmo-imap4-astring)
598 (defun elmo-imap4-format-quoted (string)
599 "Return STRING in a form of the quoted-string defined in rfc2060."
601 (std11-wrap-as-quoted-pairs string elmo-imap4-quoted-specials-list)
604 (defsubst elmo-imap4-response-get-selectable-mailbox-list (response)
608 (if (and (eq 'list (car entry))
609 (not (elmo-string-member-ignore-case "\\Noselect" (nth 1 (nth 1 entry)))))
610 (car (nth 1 entry))))
613 (defun elmo-imap4-fetch-bodystructure (folder number strategy)
614 "Fetch BODYSTRUCTURE for the message in the FOLDER with NUMBER using STRATEGY."
615 (if (elmo-fetch-strategy-use-cache strategy)
617 (elmo-file-cache-expand-path
618 (elmo-fetch-strategy-cache-path strategy)
620 (let ((session (elmo-imap4-get-session folder))
622 (elmo-imap4-session-select-mailbox
624 (elmo-imap4-folder-mailbox-internal folder))
625 (with-current-buffer (elmo-network-session-buffer session)
626 (setq elmo-imap4-fetch-callback nil)
627 (setq elmo-imap4-fetch-callback-data nil))
628 (prog1 (setq bodystructure
629 (elmo-imap4-response-value
630 (elmo-imap4-response-value
631 (elmo-imap4-send-command-wait
634 (if elmo-imap4-use-uid
635 "uid fetch %s bodystructure"
636 "fetch %s bodystructure")
640 (when (elmo-fetch-strategy-save-cache strategy)
641 (elmo-file-cache-delete
642 (elmo-fetch-strategy-cache-path strategy))
644 (elmo-file-cache-expand-path
645 (elmo-fetch-strategy-cache-path strategy)
650 (luna-define-method elmo-create-folder-plugged ((folder elmo-imap4-folder))
651 (elmo-imap4-send-command-wait
652 (elmo-imap4-get-session folder)
653 (list "create " (elmo-imap4-mailbox
654 (elmo-imap4-folder-mailbox-internal folder)))))
656 (defun elmo-imap4-get-session (folder &optional if-exists)
657 (elmo-network-get-session 'elmo-imap4-session
659 (if (elmo-folder-biff-internal folder)
664 (defun elmo-imap4-session-select-mailbox (session mailbox
665 &optional force no-error)
666 "Select MAILBOX in SESSION.
667 If optional argument FORCE is non-nil, select mailbox even if current mailbox
669 If second optional argument NO-ERROR is non-nil, don't cause an error when
670 selecting folder was failed.
671 If NO-ERROR is 'notify-bye, only BYE response is reported as error.
672 Returns response value if selecting folder succeed. "
675 (elmo-imap4-session-current-mailbox-internal session)
677 (let (response result)
680 (elmo-imap4-read-response
682 (elmo-imap4-send-command
686 (elmo-imap4-mailbox mailbox)))))
687 (if (setq result (elmo-imap4-response-ok-p response))
689 (elmo-imap4-session-set-current-mailbox-internal session mailbox)
690 (elmo-imap4-session-set-read-only-internal
692 (nth 1 (assq 'read-only (assq 'ok response))))
693 (elmo-imap4-session-set-flags-internal
695 (nth 1 (or (assq 'permanentflags response)
696 (assq 'flags response)))))
697 (elmo-imap4-session-set-current-mailbox-internal session nil)
698 (if (and (eq no-error 'notify-bye)
699 (elmo-imap4-response-bye-p response))
700 (elmo-imap4-process-bye session)
703 (or (elmo-imap4-response-error-text response)
704 (format "Select %s failed" mailbox)))))))
705 (and result response))))
707 (defun elmo-imap4-check-validity (spec validity-file)
709 ;;;(elmo-imap4-send-command-wait
710 ;;;(elmo-imap4-get-session spec)
712 ;;; (elmo-imap4-mailbox
713 ;;; (elmo-imap4-spec-mailbox spec))
714 ;;; " (uidvalidity)")))
717 (defun elmo-imap4-sync-validity (spec validity-file)
721 (defun elmo-imap4-list (folder flag)
722 (let ((session (elmo-imap4-get-session folder)))
723 (elmo-imap4-session-select-mailbox
725 (elmo-imap4-folder-mailbox-internal folder))
726 (elmo-imap4-response-value
727 (elmo-imap4-send-command-wait
729 (format (if elmo-imap4-use-uid "uid search %s"
733 (defun elmo-imap4-session-flag-available-p (session flag)
735 ((read unread) (elmo-string-member-ignore-case
736 "\\seen" (elmo-imap4-session-flags-internal session)))
738 (elmo-string-member-ignore-case
739 "\\flagged" (elmo-imap4-session-flags-internal session)))
741 (or (elmo-string-member-ignore-case
742 "\\seen" (elmo-imap4-session-flags-internal session))
743 (elmo-string-member-ignore-case
744 "\\flagged" (elmo-imap4-session-flags-internal session))))
745 (t (elmo-string-member-ignore-case
746 (concat "\\" (symbol-name flag))
747 (elmo-imap4-session-flags-internal session)))))
749 (defun elmo-imap4-folder-list-flagged (folder flag)
750 "List flagged message numbers in the FOLDER.
751 FLAG is one of the `unread', `read', `important', `answered', `any'."
752 (let ((session (elmo-imap4-get-session folder))
756 (important "flagged")
757 (any "or answered or unseen flagged")
758 (digest "or unseen flagged")
759 (t (symbol-name flag)))))
760 (if (elmo-imap4-session-flag-available-p session flag)
762 (elmo-imap4-session-select-mailbox
764 (elmo-imap4-folder-mailbox-internal folder))
765 (elmo-imap4-response-value
766 (elmo-imap4-send-command-wait
768 (format (if elmo-imap4-use-uid "uid search %s"
769 "search %s") criteria))
771 ;; List flagged messages in the msgdb.
772 (elmo-msgdb-list-flagged (elmo-folder-msgdb folder) flag))))
774 (defvar elmo-imap4-rfc822-size "RFC822\.SIZE")
775 (defvar elmo-imap4-rfc822-text "RFC822\.TEXT")
776 (defvar elmo-imap4-rfc822-header "RFC822\.HEADER")
777 (defvar elmo-imap4-header-fields "HEADER\.FIELDS")
779 (defun elmo-imap4-make-number-set-list (msg-list &optional chop-length)
780 "Make RFC2060's message set specifier from MSG-LIST.
781 Returns a list of (NUMBER . SET-STRING).
782 SET-STRING is the message set specifier described in RFC2060.
783 NUMBER is contained message number in SET-STRING.
784 Every SET-STRING does not contain number of messages longer than CHOP-LENGTH.
785 If CHOP-LENGTH is not specified, message set is not chopped."
786 (let (count cont-list set-list)
787 (setq msg-list (sort (copy-sequence msg-list) '<))
792 (setq chop-length (length msg-list)))
793 (while (and (not (null msg-list))
794 (< count chop-length))
796 (elmo-number-set-append
797 cont-list (car msg-list)))
799 (setq msg-list (cdr msg-list)))
807 (format "%s:%s" (car x) (cdr x)))
813 (nreverse set-list)))
817 ;; cons of flag-table and folder structure
818 (defsubst elmo-imap4-fetch-callback-1-subr (entity flags app-data)
819 "A msgdb entity callback function."
820 (let ((use-flag (elmo-folder-use-flag-p (cdr app-data)))
821 (flag-table (car app-data))
822 (msg-id (elmo-message-entity-field entity 'message-id))
823 saved-flags flag-list)
824 ;; (when (elmo-string-member-ignore-case "\\Flagged" flags)
825 ;; (elmo-msgdb-global-mark-set msg-id elmo-msgdb-important-mark))
826 (setq saved-flags (elmo-flag-table-get flag-table msg-id)
830 (and (elmo-string-member-ignore-case "\\Recent" flags)
832 (and (elmo-string-member-ignore-case "\\Flagged" flags)
834 (and (not (elmo-string-member-ignore-case "\\Seen" flags))
836 (and (elmo-string-member-ignore-case "\\Answered" flags)
838 (and (elmo-file-cache-exists-p msg-id)
841 (when (and (or (memq 'important flag-list)
842 (memq 'answered flag-list))
843 (memq 'unread flag-list))
844 (setq elmo-imap4-seen-messages
845 (cons (elmo-message-entity-number entity)
846 elmo-imap4-seen-messages)))
847 (elmo-msgdb-append-entity elmo-imap4-current-msgdb
851 ;; Current buffer is process buffer.
852 (defun elmo-imap4-fetch-callback-1 (element app-data)
853 (let ((handler (elmo-msgdb-message-entity-handler elmo-imap4-current-msgdb)))
854 (elmo-imap4-fetch-callback-1-subr
856 (insert (or (elmo-imap4-response-bodydetail-text element)
859 (goto-char (point-min))
860 (while (search-forward "\r\n" nil t)
861 (replace-match "\n"))
862 (elmo-msgdb-create-message-entity-from-buffer
864 (elmo-imap4-response-value element 'uid)
865 :size (elmo-imap4-response-value element 'rfc822size)))
866 (elmo-imap4-response-value element 'flags)
869 (defun elmo-imap4-parse-capability (string)
870 (if (string-match "^\\*\\(.*\\)$" string)
872 (concat "(" (downcase (elmo-match-string 1 string)) ")"))))
874 (defun elmo-imap4-clear-login (session)
875 (let ((elmo-imap4-debug-inhibit-logging t))
879 (elmo-imap4-send-command
882 (elmo-imap4-userid (elmo-network-session-user-internal session))
885 (elmo-get-passwd (elmo-network-session-password-key session))))))
886 (signal 'elmo-authenticate-error '(elmo-imap4-clear-login)))))
888 (defun elmo-imap4-auth-login (session)
889 (let ((tag (elmo-imap4-send-command session "authenticate login"))
890 (elmo-imap4-debug-inhibit-logging t))
891 (or (elmo-imap4-read-continue-req session)
892 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
893 (elmo-imap4-send-string session
894 (elmo-base64-encode-string
895 (elmo-network-session-user-internal session)))
896 (or (elmo-imap4-read-continue-req session)
897 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
898 (elmo-imap4-send-string session
899 (elmo-base64-encode-string
901 (elmo-network-session-password-key session))))
902 (or (elmo-imap4-read-ok session tag)
903 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
904 (setq elmo-imap4-status 'auth)))
907 elmo-network-initialize-session-buffer :after ((session
908 elmo-imap4-session) buffer)
909 (with-current-buffer buffer
910 (mapcar 'make-variable-buffer-local elmo-imap4-local-variables)
911 (setq elmo-imap4-seqno 0)
912 (setq elmo-imap4-status 'initial)))
914 (luna-define-method elmo-network-initialize-session ((session
916 (let ((process (elmo-network-session-process-internal session)))
917 (with-current-buffer (process-buffer process)
918 ;; Skip garbage output from process before greeting.
919 (while (and (memq (process-status process) '(open run))
920 (goto-char (point-max))
922 (not (elmo-imap4-parse-greeting)))
923 (accept-process-output process 1))
924 (set-process-filter process 'elmo-imap4-arrival-filter)
925 (set-process-sentinel process 'elmo-imap4-sentinel)
926 ;;; (while (and (memq (process-status process) '(open run))
927 ;;; (eq elmo-imap4-status 'initial))
928 ;;; (message "Waiting for server response...")
929 ;;; (accept-process-output process 1))
931 (unless (memq elmo-imap4-status '(nonauth auth))
932 (signal 'elmo-open-error
933 (list 'elmo-network-initialize-session)))
934 (elmo-imap4-session-set-capability-internal
936 (elmo-imap4-response-value
937 (elmo-imap4-send-command-wait session "capability")
939 (when (eq (elmo-network-stream-type-symbol
940 (elmo-network-session-stream-type-internal session))
943 (elmo-imap4-session-capability-internal session))
944 (signal 'elmo-open-error
945 '(elmo-imap4-starttls-error)))
946 (elmo-imap4-send-command-wait session "starttls")
947 (starttls-negotiate process)
948 (elmo-imap4-session-set-capability-internal
950 (elmo-imap4-response-value
951 (elmo-imap4-send-command-wait session "capability")
954 (luna-define-method elmo-network-authenticate-session ((session
956 (with-current-buffer (process-buffer
957 (elmo-network-session-process-internal session))
958 (let* ((auth (elmo-network-session-auth-internal session))
959 (auth (if (listp auth) auth (list auth))))
960 (unless (or (eq elmo-imap4-status 'auth)
963 ((eq 'clear (car auth))
964 (elmo-imap4-clear-login session))
965 ((eq 'login (car auth))
966 (elmo-imap4-auth-login session))
968 (let* ((elmo-imap4-debug-inhibit-logging t)
973 (if (string-match "^auth=\\(.*\\)$"
975 (match-string 1 (upcase (symbol-name cap)))))
976 (elmo-imap4-session-capability-internal session))))
980 (mapcar '(lambda (cap) (upcase (symbol-name cap)))
984 client name step response tag
985 sasl-read-passphrase)
987 (if (or elmo-imap4-force-login
990 "There's no %s capability in server. continue?"
992 (elmo-network-session-auth-internal session)))))
993 (setq mechanism (sasl-find-mechanism
995 (signal 'elmo-authenticate-error
996 '(elmo-imap4-auth-no-mechanisms))))
1000 (elmo-network-session-user-internal session)
1002 (elmo-network-session-server-internal session)))
1003 ;;; (if elmo-imap4-auth-user-realm
1004 ;;; (sasl-client-set-property client 'realm elmo-imap4-auth-user-realm))
1005 (setq name (sasl-mechanism-name mechanism)
1006 step (sasl-next-step client nil))
1007 (elmo-network-session-set-auth-internal
1009 (intern (downcase name)))
1010 (setq sasl-read-passphrase
1014 (elmo-network-session-password-key session)))))
1016 (elmo-imap4-send-command
1018 (concat "AUTHENTICATE " name
1019 (and (sasl-step-data step)
1022 (elmo-base64-encode-string
1023 (sasl-step-data step)
1028 (elmo-imap4-read-untagged
1029 (elmo-network-session-process-internal session)))
1030 (if (elmo-imap4-response-ok-p response)
1031 (if (sasl-next-step client step)
1033 (signal 'elmo-authenticate-error
1035 (concat "elmo-imap4-auth-"
1037 ;; The authentication process is finished.
1039 (unless (elmo-imap4-response-continue-req-p response)
1040 ;; response is NO or BAD.
1041 (signal 'elmo-authenticate-error
1043 (concat "elmo-imap4-auth-"
1044 (downcase name))))))
1047 (elmo-base64-decode-string
1048 (elmo-imap4-response-value response 'continue-req)))
1049 (setq step (sasl-next-step client step))
1051 (elmo-imap4-send-string
1053 (if (sasl-step-data step)
1054 (elmo-base64-encode-string (sasl-step-data step)
1058 (luna-define-method elmo-network-setup-session ((session
1059 elmo-imap4-session))
1060 (with-current-buffer (elmo-network-session-buffer session)
1061 (when (memq 'namespace (elmo-imap4-session-capability-internal session))
1062 (setq elmo-imap4-server-namespace
1063 (elmo-imap4-response-value
1064 (elmo-imap4-send-command-wait session "namespace")
1067 (defun elmo-imap4-setup-send-buffer (&optional string)
1068 (let ((send-buf (get-buffer-create " *elmo-imap4-setup-send-buffer*"))
1069 (source-buf (unless string (current-buffer))))
1072 (set-buffer send-buf)
1074 (elmo-set-buffer-multibyte nil)
1077 (with-current-buffer source-buf
1078 (copy-to-buffer send-buf (point-min) (point-max))))
1079 (goto-char (point-min))
1080 (if (eq (re-search-forward "^$" nil t)
1083 (goto-char (point-min))
1084 (while (search-forward "\n" nil t)
1085 (replace-match "\r\n"))))
1088 (defun elmo-imap4-setup-send-buffer-from-file (file)
1089 (let ((tmp-buf (get-buffer-create
1090 " *elmo-imap4-setup-send-buffer-from-file*")))
1093 (set-buffer tmp-buf)
1095 (as-binary-input-file
1096 (insert-file-contents file))
1097 (goto-char (point-min))
1098 (if (eq (re-search-forward "^$" nil t)
1101 (goto-char (point-min))
1102 (while (search-forward "\n" nil t)
1103 (replace-match "\r\n"))))
1106 (luna-define-method elmo-delete-message-safe ((folder elmo-imap4-folder)
1108 (let ((session (elmo-imap4-get-session folder))
1110 (elmo-imap4-session-select-mailbox
1112 (elmo-imap4-folder-mailbox-internal folder))
1114 (elmo-imap4-response-value
1115 (elmo-imap4-send-command-wait session
1117 (if elmo-imap4-use-uid
1118 "uid search header message-id "
1119 "search header message-id ")
1120 (elmo-imap4-field-body msgid)))
1122 (if (memq number candidates)
1123 (elmo-folder-delete-messages folder (list number)))))
1125 (defun elmo-imap4-server-diff-async-callback-1 (status data)
1126 (funcall elmo-imap4-server-diff-async-callback
1127 (list (elmo-imap4-response-value status 'recent)
1128 (elmo-imap4-response-value status 'unseen)
1129 (elmo-imap4-response-value status 'messages))
1132 (defun elmo-imap4-server-diff-async (folder)
1133 (let ((session (elmo-imap4-get-session folder)))
1134 ;; We should `check' folder to obtain newest information here.
1135 ;; But since there's no asynchronous check mechanism in elmo yet,
1136 ;; checking is not done here.
1137 (with-current-buffer (elmo-network-session-buffer session)
1138 (setq elmo-imap4-status-callback
1139 'elmo-imap4-server-diff-async-callback-1)
1140 (setq elmo-imap4-status-callback-data
1141 elmo-imap4-server-diff-async-callback-data))
1142 (elmo-imap4-send-command session
1146 (elmo-imap4-folder-mailbox-internal folder))
1147 " (recent unseen messages)"))))
1149 (luna-define-method elmo-server-diff-async ((folder elmo-imap4-folder))
1150 (let ((session (elmo-imap4-get-session folder)))
1152 ;; (elmo-imap4-commit spec)
1153 (with-current-buffer (elmo-network-session-buffer session)
1154 (setq elmo-imap4-status-callback
1155 'elmo-imap4-server-diff-async-callback-1)
1156 (setq elmo-imap4-status-callback-data
1157 elmo-imap4-server-diff-async-callback-data))
1158 (elmo-imap4-send-command session
1162 (elmo-imap4-folder-mailbox-internal folder))
1163 " (recent unseen messages)"))))
1167 (defvar elmo-imap4-server-eol "\r\n"
1168 "The EOL string sent from the server.")
1170 (defvar elmo-imap4-client-eol "\r\n"
1171 "The EOL string we send to the server.")
1173 (defvar elmo-imap4-display-literal-progress nil)
1175 (defun elmo-imap4-find-next-line ()
1176 "Return point at end of current line, taking into account literals.
1177 Return nil if no complete line has arrived."
1178 (when (re-search-forward (concat elmo-imap4-server-eol "\\|{\\([0-9]+\\)}"
1179 elmo-imap4-server-eol)
1181 (if (match-string 1)
1182 (if (< (point-max) (+ (point) (string-to-number (match-string 1))))
1184 (if (and elmo-imap4-display-literal-progress
1185 (> (string-to-number (match-string 1))
1186 (min elmo-display-retrieval-progress-threshold 100)))
1187 (elmo-display-progress
1188 'elmo-imap4-display-literal-progress
1189 (format "Retrieving (%d/%d bytes)..."
1190 (- (point-max) (point))
1191 (string-to-number (match-string 1)))
1192 (/ (- (point-max) (point))
1193 (/ (string-to-number (match-string 1)) 100))))
1195 (goto-char (+ (point) (string-to-number (match-string 1))))
1196 (elmo-imap4-find-next-line))
1199 (defun elmo-imap4-sentinel (process string)
1200 (delete-process process))
1202 (defun elmo-imap4-arrival-filter (proc string)
1203 "IMAP process filter."
1204 (when (buffer-live-p (process-buffer proc))
1205 (with-current-buffer (process-buffer proc)
1206 (elmo-imap4-debug "-> %s" string)
1207 (goto-char (point-max))
1210 (goto-char (point-min))
1211 (while (setq end (elmo-imap4-find-next-line))
1213 (narrow-to-region (point-min) end)
1214 (delete-backward-char (length elmo-imap4-server-eol))
1215 (goto-char (point-min))
1217 (cond ((eq elmo-imap4-status 'initial)
1218 (setq elmo-imap4-current-response
1220 (list 'greeting (elmo-imap4-parse-greeting)))))
1221 ((or (eq elmo-imap4-status 'auth)
1222 (eq elmo-imap4-status 'nonauth)
1223 (eq elmo-imap4-status 'selected)
1224 (eq elmo-imap4-status 'examine))
1225 (setq elmo-imap4-current-response
1227 (elmo-imap4-parse-response)
1228 elmo-imap4-current-response)))
1230 (message "Unknown state %s in arrival filter"
1231 elmo-imap4-status))))
1232 (delete-region (point-min) (point-max))))))))
1236 (defsubst elmo-imap4-forward ()
1237 (or (eobp) (forward-char 1)))
1239 (defsubst elmo-imap4-parse-number ()
1240 (when (looking-at "[0-9]+")
1242 (string-to-number (match-string 0))
1243 (goto-char (match-end 0)))))
1245 (defsubst elmo-imap4-parse-literal ()
1246 (when (looking-at "{\\([0-9]+\\)}\r\n")
1247 (let ((pos (match-end 0))
1248 (len (string-to-number (match-string 1))))
1249 (if (< (point-max) (+ pos len))
1251 (goto-char (+ pos len))
1252 (buffer-substring pos (+ pos len))))))
1253 ;;; (list ' pos (+ pos len))))))
1255 (defsubst elmo-imap4-parse-string ()
1256 (cond ((eq (char-after (point)) ?\")
1258 (let ((p (point)) (name ""))
1259 (skip-chars-forward "^\"\\\\")
1260 (setq name (buffer-substring p (point)))
1261 (while (eq (char-after (point)) ?\\)
1262 (setq p (1+ (point)))
1264 (skip-chars-forward "^\"\\\\")
1265 (setq name (concat name (buffer-substring p (point)))))
1268 ((eq (char-after (point)) ?{)
1269 (elmo-imap4-parse-literal))))
1271 (defsubst elmo-imap4-parse-nil ()
1272 (if (looking-at "NIL")
1273 (goto-char (match-end 0))))
1275 (defsubst elmo-imap4-parse-nstring ()
1276 (or (elmo-imap4-parse-string)
1277 (and (elmo-imap4-parse-nil)
1280 (defsubst elmo-imap4-parse-astring ()
1281 (or (elmo-imap4-parse-string)
1282 (buffer-substring (point)
1283 (if (re-search-forward "[(){ \r\n%*\"\\]" nil t)
1284 (goto-char (1- (match-end 0)))
1288 (defsubst elmo-imap4-parse-address ()
1290 (when (eq (char-after (point)) ?\()
1291 (elmo-imap4-forward)
1292 (setq address (vector (prog1 (elmo-imap4-parse-nstring)
1293 (elmo-imap4-forward))
1294 (prog1 (elmo-imap4-parse-nstring)
1295 (elmo-imap4-forward))
1296 (prog1 (elmo-imap4-parse-nstring)
1297 (elmo-imap4-forward))
1298 (elmo-imap4-parse-nstring)))
1299 (when (eq (char-after (point)) ?\))
1300 (elmo-imap4-forward)
1303 (defsubst elmo-imap4-parse-address-list ()
1304 (if (eq (char-after (point)) ?\()
1305 (let (address addresses)
1306 (elmo-imap4-forward)
1307 (while (and (not (eq (char-after (point)) ?\)))
1308 ;; next line for MS Exchange bug
1309 (progn (and (eq (char-after (point)) ? ) (elmo-imap4-forward)) t)
1310 (setq address (elmo-imap4-parse-address)))
1311 (setq addresses (cons address addresses)))
1312 (when (eq (char-after (point)) ?\))
1313 (elmo-imap4-forward)
1314 (nreverse addresses)))
1315 (assert (elmo-imap4-parse-nil))))
1317 (defsubst elmo-imap4-parse-mailbox ()
1318 (let ((mailbox (elmo-imap4-parse-astring)))
1319 (if (string-equal "INBOX" (upcase mailbox))
1323 (defun elmo-imap4-parse-greeting ()
1324 "Parse a IMAP greeting."
1325 (cond ((looking-at "\\* OK ")
1326 (setq elmo-imap4-status 'nonauth))
1327 ((looking-at "\\* PREAUTH ")
1328 (setq elmo-imap4-status 'auth))
1329 ((looking-at "\\* BYE ")
1330 (setq elmo-imap4-status 'closed))))
1332 (defun elmo-imap4-parse-response ()
1333 "Parse a IMAP command response."
1335 (case (setq token (read (current-buffer)))
1337 (skip-chars-forward " ")
1338 (list 'continue-req (buffer-substring (point) (point-max)))))
1339 (* (case (prog1 (setq token (read (current-buffer)))
1340 (elmo-imap4-forward))
1341 (OK (elmo-imap4-parse-resp-text-code))
1342 (NO (elmo-imap4-parse-resp-text-code))
1343 (BAD (elmo-imap4-parse-resp-text-code))
1344 (BYE (elmo-imap4-parse-bye))
1346 (elmo-imap4-parse-flag-list)))
1347 (LIST (list 'list (elmo-imap4-parse-data-list)))
1348 (LSUB (list 'lsub (elmo-imap4-parse-data-list)))
1352 (buffer-substring (point) (point-max))
1354 (STATUS (elmo-imap4-parse-status))
1356 (NAMESPACE (elmo-imap4-parse-namespace))
1357 (CAPABILITY (list 'capability
1359 (concat "(" (downcase (buffer-substring
1360 (point) (point-max)))
1362 (ACL (elmo-imap4-parse-acl))
1363 (t (case (prog1 (read (current-buffer))
1364 (elmo-imap4-forward))
1365 (EXISTS (list 'exists token))
1366 (RECENT (list 'recent token))
1367 (EXPUNGE (list 'expunge token))
1368 (FETCH (elmo-imap4-parse-fetch token))
1369 (t (list 'garbage (buffer-string)))))))
1370 (t (if (not (string-match elmo-imap4-seq-prefix (symbol-name token)))
1371 (list 'garbage (buffer-string))
1372 (case (prog1 (read (current-buffer))
1373 (elmo-imap4-forward))
1375 (setq elmo-imap4-parsing nil)
1376 (setq token (symbol-name token))
1377 (elmo-unintern token)
1378 (elmo-imap4-debug "*%s* OK arrived" token)
1379 (setq elmo-imap4-reached-tag token)
1380 (list 'ok (elmo-imap4-parse-resp-text-code))))
1382 (setq elmo-imap4-parsing nil)
1383 (setq token (symbol-name token))
1384 (elmo-unintern token)
1385 (elmo-imap4-debug "*%s* NO arrived" token)
1386 (setq elmo-imap4-reached-tag token)
1388 (when (eq (char-after (point)) ?\[)
1389 (setq code (buffer-substring (point)
1390 (search-forward "]")))
1391 (elmo-imap4-forward))
1392 (setq text (buffer-substring (point) (point-max)))
1393 (list 'no (list code text)))))
1395 (setq elmo-imap4-parsing nil)
1396 (elmo-imap4-debug "*%s* BAD arrived" token)
1397 (setq token (symbol-name token))
1398 (elmo-unintern token)
1399 (setq elmo-imap4-reached-tag token)
1401 (when (eq (char-after (point)) ?\[)
1402 (setq code (buffer-substring (point)
1403 (search-forward "]")))
1404 (elmo-imap4-forward))
1405 (setq text (buffer-substring (point) (point-max)))
1406 (list 'bad (list code text)))))
1407 (t (list 'garbage (buffer-string)))))))))
1409 (defun elmo-imap4-parse-bye ()
1411 (when (eq (char-after (point)) ?\[)
1412 (setq code (buffer-substring (point)
1413 (search-forward "]")))
1414 (elmo-imap4-forward))
1415 (setq text (buffer-substring (point) (point-max)))
1416 (list 'bye (list code text))))
1418 (defun elmo-imap4-parse-text ()
1419 (goto-char (point-min))
1420 (when (search-forward "[" nil t)
1421 (search-forward "]")
1422 (elmo-imap4-forward))
1423 (list 'text (buffer-substring (point) (point-max))))
1425 (defun elmo-imap4-parse-resp-text-code ()
1426 (when (eq (char-after (point)) ?\[)
1427 (elmo-imap4-forward)
1428 (cond ((search-forward "PERMANENTFLAGS " nil t)
1429 (list 'permanentflags (elmo-imap4-parse-flag-list)))
1430 ((search-forward "UIDNEXT " nil t)
1431 (list 'uidnext (read (current-buffer))))
1432 ((search-forward "UNSEEN " nil t)
1433 (list 'unseen (read (current-buffer))))
1434 ((looking-at "UIDVALIDITY \\([0-9]+\\)")
1435 (list 'uidvalidity (match-string 1)))
1436 ((search-forward "READ-ONLY" nil t)
1437 (list 'read-only t))
1438 ((search-forward "READ-WRITE" nil t)
1439 (list 'read-write t))
1440 ((search-forward "NEWNAME " nil t)
1441 (let (oldname newname)
1442 (setq oldname (elmo-imap4-parse-string))
1443 (elmo-imap4-forward)
1444 (setq newname (elmo-imap4-parse-string))
1445 (list 'newname newname oldname)))
1446 ((search-forward "TRYCREATE" nil t)
1447 (list 'trycreate t))
1448 ((looking-at "APPENDUID \\([0-9]+\\) \\([0-9]+\\)")
1450 (list (match-string 1)
1451 (string-to-number (match-string 2)))))
1452 ((looking-at "COPYUID \\([0-9]+\\) \\([0-9,:]+\\) \\([0-9,:]+\\)")
1453 (list 'copyuid (list (match-string 1)
1456 ((search-forward "ALERT] " nil t)
1457 (message "IMAP server information: %s"
1458 (buffer-substring (point) (point-max))))
1459 (t (list 'unknown)))))
1461 (defun elmo-imap4-parse-data-list ()
1462 (let (flags delimiter mailbox)
1463 (setq flags (elmo-imap4-parse-flag-list))
1464 (when (looking-at " NIL\\| \"\\\\?\\(.\\)\"")
1465 (setq delimiter (match-string 1))
1466 (goto-char (1+ (match-end 0)))
1467 (when (setq mailbox (elmo-imap4-parse-mailbox))
1468 (list mailbox flags delimiter)))))
1470 (defsubst elmo-imap4-parse-header-list ()
1471 (when (eq (char-after (point)) ?\()
1473 (while (not (eq (char-after (point)) ?\)))
1474 (elmo-imap4-forward)
1475 (push (elmo-imap4-parse-astring) strlist))
1476 (elmo-imap4-forward)
1477 (nreverse strlist))))
1479 (defsubst elmo-imap4-parse-fetch-body-section ()
1481 (buffer-substring (point)
1483 (progn (re-search-forward "[] ]" nil t)
1485 (if (eq (char-before) ? )
1487 (mapconcat 'identity
1488 (cons section (elmo-imap4-parse-header-list)) " ")
1489 (search-forward "]" nil t))
1492 (defun elmo-imap4-parse-fetch (response)
1493 (when (eq (char-after (point)) ?\()
1495 (while (not (eq (char-after (point)) ?\)))
1496 (elmo-imap4-forward)
1497 (let ((token (read (current-buffer))))
1498 (elmo-imap4-forward)
1500 (cond ((eq token 'UID)
1501 (list 'uid (condition-case nil
1502 (read (current-buffer))
1505 (list 'flags (elmo-imap4-parse-flag-list)))
1506 ((eq token 'ENVELOPE)
1507 (list 'envelope (elmo-imap4-parse-envelope)))
1508 ((eq token 'INTERNALDATE)
1509 (list 'internaldate (elmo-imap4-parse-string)))
1511 (list 'rfc822 (elmo-imap4-parse-nstring)))
1512 ((eq token (intern elmo-imap4-rfc822-header))
1513 (list 'rfc822header (elmo-imap4-parse-nstring)))
1514 ((eq token (intern elmo-imap4-rfc822-text))
1515 (list 'rfc822text (elmo-imap4-parse-nstring)))
1516 ((eq token (intern elmo-imap4-rfc822-size))
1517 (list 'rfc822size (read (current-buffer))))
1519 (if (eq (char-before) ?\[)
1522 (upcase (elmo-imap4-parse-fetch-body-section))
1524 (eq (char-after (point)) ?<)
1525 (buffer-substring (1+ (point))
1527 (search-forward ">" nil t)
1529 (progn (elmo-imap4-forward)
1530 (elmo-imap4-parse-nstring)))
1531 (list 'body (elmo-imap4-parse-body))))
1532 ((eq token 'BODYSTRUCTURE)
1533 (list 'bodystructure (elmo-imap4-parse-body)))))
1534 (setq list (cons element list))))
1535 (and elmo-imap4-fetch-callback
1536 (funcall elmo-imap4-fetch-callback
1537 list elmo-imap4-fetch-callback-data))
1538 (list 'fetch list))))
1540 (defun elmo-imap4-parse-status ()
1541 (let ((mailbox (elmo-imap4-parse-mailbox))
1543 (when (and mailbox (search-forward "(" nil t))
1544 (while (not (eq (char-after (point)) ?\)))
1547 (let ((token (read (current-buffer))))
1548 (cond ((eq token 'MESSAGES)
1549 (list 'messages (read (current-buffer))))
1551 (list 'recent (read (current-buffer))))
1552 ((eq token 'UIDNEXT)
1553 (list 'uidnext (read (current-buffer))))
1554 ((eq token 'UIDVALIDITY)
1555 (and (looking-at " \\([0-9]+\\)")
1556 (prog1 (list 'uidvalidity (match-string 1))
1557 (goto-char (match-end 1)))))
1559 (list 'unseen (read (current-buffer))))
1562 "Unknown status data %s in mailbox %s ignored"
1565 (skip-chars-forward " ")))
1566 (and elmo-imap4-status-callback
1567 (funcall elmo-imap4-status-callback
1569 elmo-imap4-status-callback-data))
1570 (list 'status status)))
1573 (defmacro elmo-imap4-value (value)
1574 (` (if (eq (, value) 'NIL) nil
1577 (defmacro elmo-imap4-nth (pos list)
1578 (` (let ((value (nth (, pos) (, list))))
1579 (elmo-imap4-value value))))
1581 (defun elmo-imap4-parse-namespace ()
1584 (copy-sequence elmo-imap4-extra-namespace-alist)
1585 (elmo-imap4-parse-namespace-subr
1586 (read (concat "(" (buffer-substring
1587 (point) (point-max))
1590 (defun elmo-imap4-parse-namespace-subr (ns)
1591 (let (prefix delim namespace-alist default-delim)
1592 ;; 0: personal, 1: other, 2: shared
1594 (setq namespace-alist
1595 (nconc namespace-alist
1599 (setq prefix (elmo-imap4-nth 0 namespace)
1600 delim (elmo-imap4-nth 1 namespace))
1601 (if (and prefix delim
1603 (concat (regexp-quote delim) "\\'")
1605 (setq prefix (substring prefix 0
1606 (match-beginning 0))))
1607 (if (eq (length prefix) 0)
1608 (progn (setq default-delim delim) nil)
1611 (if (string= (downcase prefix) "inbox")
1612 "[Ii][Nn][Bb][Oo][Xx]"
1613 (regexp-quote prefix))
1616 (elmo-imap4-nth i ns))))))
1618 (setq namespace-alist
1619 (nconc namespace-alist
1620 (list (cons "^.*$" default-delim)))))
1623 (defun elmo-imap4-parse-acl ()
1624 (let ((mailbox (elmo-imap4-parse-mailbox))
1625 identifier rights acl)
1626 (while (eq (char-after (point)) ?\ )
1627 (elmo-imap4-forward)
1628 (setq identifier (elmo-imap4-parse-astring))
1629 (elmo-imap4-forward)
1630 (setq rights (elmo-imap4-parse-astring))
1631 (setq acl (append acl (list (cons identifier rights)))))
1632 (list 'acl acl mailbox)))
1634 (defun elmo-imap4-parse-flag-list ()
1635 (let ((str (buffer-substring (+ (point) 1)
1636 (progn (search-forward ")" nil t)
1638 (unless (eq (length str) 0)
1639 (split-string str))))
1641 (defun elmo-imap4-parse-envelope ()
1642 (when (eq (char-after (point)) ?\()
1643 (elmo-imap4-forward)
1644 (vector (prog1 (elmo-imap4-parse-nstring);; date
1645 (elmo-imap4-forward))
1646 (prog1 (elmo-imap4-parse-nstring);; subject
1647 (elmo-imap4-forward))
1648 (prog1 (elmo-imap4-parse-address-list);; from
1649 (elmo-imap4-forward))
1650 (prog1 (elmo-imap4-parse-address-list);; sender
1651 (elmo-imap4-forward))
1652 (prog1 (elmo-imap4-parse-address-list);; reply-to
1653 (elmo-imap4-forward))
1654 (prog1 (elmo-imap4-parse-address-list);; to
1655 (elmo-imap4-forward))
1656 (prog1 (elmo-imap4-parse-address-list);; cc
1657 (elmo-imap4-forward))
1658 (prog1 (elmo-imap4-parse-address-list);; bcc
1659 (elmo-imap4-forward))
1660 (prog1 (elmo-imap4-parse-nstring);; in-reply-to
1661 (elmo-imap4-forward))
1662 (prog1 (elmo-imap4-parse-nstring);; message-id
1663 (elmo-imap4-forward)))))
1665 (defsubst elmo-imap4-parse-string-list ()
1666 (cond ((eq (char-after (point)) ?\();; body-fld-param
1668 (elmo-imap4-forward)
1669 (while (setq str (elmo-imap4-parse-string))
1671 (elmo-imap4-forward))
1672 (nreverse strlist)))
1673 ((elmo-imap4-parse-nil)
1676 (defun elmo-imap4-parse-body-extension ()
1677 (if (eq (char-after (point)) ?\()
1679 (elmo-imap4-forward)
1680 (push (elmo-imap4-parse-body-extension) b-e)
1681 (while (eq (char-after (point)) ?\ )
1682 (elmo-imap4-forward)
1683 (push (elmo-imap4-parse-body-extension) b-e))
1684 (assert (eq (char-after (point)) ?\)))
1685 (elmo-imap4-forward)
1687 (or (elmo-imap4-parse-number)
1688 (elmo-imap4-parse-nstring))))
1690 (defsubst elmo-imap4-parse-body-ext ()
1692 (when (eq (char-after (point)) ?\ );; body-fld-dsp
1693 (elmo-imap4-forward)
1695 (if (eq (char-after (point)) ?\()
1697 (elmo-imap4-forward)
1698 (push (elmo-imap4-parse-string) dsp)
1699 (elmo-imap4-forward)
1700 (push (elmo-imap4-parse-string-list) dsp)
1701 (elmo-imap4-forward))
1702 (assert (elmo-imap4-parse-nil)))
1703 (push (nreverse dsp) ext))
1704 (when (eq (char-after (point)) ?\ );; body-fld-lang
1705 (elmo-imap4-forward)
1706 (if (eq (char-after (point)) ?\()
1707 (push (elmo-imap4-parse-string-list) ext)
1708 (push (elmo-imap4-parse-nstring) ext))
1709 (while (eq (char-after (point)) ?\ );; body-extension
1710 (elmo-imap4-forward)
1711 (setq ext (append (elmo-imap4-parse-body-extension) ext)))))
1714 (defun elmo-imap4-parse-body ()
1716 (when (eq (char-after (point)) ?\()
1717 (elmo-imap4-forward)
1718 (if (eq (char-after (point)) ?\()
1720 (while (and (eq (char-after (point)) ?\()
1721 (setq subbody (elmo-imap4-parse-body)))
1722 (push subbody body))
1723 (elmo-imap4-forward)
1724 (push (elmo-imap4-parse-string) body);; media-subtype
1725 (when (eq (char-after (point)) ?\ );; body-ext-mpart:
1726 (elmo-imap4-forward)
1727 (if (eq (char-after (point)) ?\();; body-fld-param
1728 (push (elmo-imap4-parse-string-list) body)
1729 (push (and (elmo-imap4-parse-nil) nil) body))
1731 (append (elmo-imap4-parse-body-ext) body)));; body-ext-...
1732 (assert (eq (char-after (point)) ?\)))
1733 (elmo-imap4-forward)
1736 (push (elmo-imap4-parse-string) body);; media-type
1737 (elmo-imap4-forward)
1738 (push (elmo-imap4-parse-string) body);; media-subtype
1739 (elmo-imap4-forward)
1740 ;; next line for Sun SIMS bug
1741 (and (eq (char-after (point)) ? ) (elmo-imap4-forward))
1742 (if (eq (char-after (point)) ?\();; body-fld-param
1743 (push (elmo-imap4-parse-string-list) body)
1744 (push (and (elmo-imap4-parse-nil) nil) body))
1745 (elmo-imap4-forward)
1746 (push (elmo-imap4-parse-nstring) body);; body-fld-id
1747 (elmo-imap4-forward)
1748 (push (elmo-imap4-parse-nstring) body);; body-fld-desc
1749 (elmo-imap4-forward)
1750 (push (elmo-imap4-parse-string) body);; body-fld-enc
1751 (elmo-imap4-forward)
1752 (push (elmo-imap4-parse-number) body);; body-fld-octets
1754 ;; ok, we're done parsing the required parts, what comes now is one
1757 ;; envelope (then we're parsing body-type-msg)
1758 ;; body-fld-lines (then we're parsing body-type-text)
1759 ;; body-ext-1part (then we're parsing body-type-basic)
1761 ;; the problem is that the two first are in turn optionally followed
1762 ;; by the third. So we parse the first two here (if there are any)...
1764 (when (eq (char-after (point)) ?\ )
1765 (elmo-imap4-forward)
1767 (cond ((eq (char-after (point)) ?\();; body-type-msg:
1768 (push (elmo-imap4-parse-envelope) body);; envelope
1769 (elmo-imap4-forward)
1770 (push (elmo-imap4-parse-body) body);; body
1771 (elmo-imap4-forward)
1772 (push (elmo-imap4-parse-number) body));; body-fld-lines
1773 ((setq lines (elmo-imap4-parse-number));; body-type-text:
1774 (push lines body));; body-fld-lines
1776 (backward-char)))));; no match...
1778 ;; ...and then parse the third one here...
1780 (when (eq (char-after (point)) ?\ );; body-ext-1part:
1781 (elmo-imap4-forward)
1782 (push (elmo-imap4-parse-nstring) body);; body-fld-md5
1784 (append (elmo-imap4-parse-body-ext) body)));; body-ext-1part..
1786 (assert (eq (char-after (point)) ?\)))
1787 (elmo-imap4-forward)
1790 (luna-define-method elmo-folder-initialize :around ((folder
1793 (let ((default-user elmo-imap4-default-user)
1794 (default-server elmo-imap4-default-server)
1795 (default-port elmo-imap4-default-port)
1796 (elmo-network-stream-type-alist
1797 (if elmo-imap4-stream-type-alist
1798 (append elmo-imap4-stream-type-alist
1799 elmo-network-stream-type-alist)
1800 elmo-network-stream-type-alist))
1802 (when (string-match "\\(.*\\)@\\(.*\\)" default-server)
1803 ;; case: imap4-default-server is specified like
1804 ;; "hoge%imap.server@gateway".
1805 (setq default-user (elmo-match-string 1 default-server))
1806 (setq default-server (elmo-match-string 2 default-server)))
1807 (setq name (luna-call-next-method))
1809 (setq parse (elmo-parse-token name ":"))
1810 (elmo-imap4-folder-set-mailbox-internal folder
1811 (elmo-imap4-encode-folder-string
1814 (setq parse (elmo-parse-prefixed-element ?: (cdr parse) "/"))
1815 (elmo-net-folder-set-user-internal folder
1816 (if (eq (length (car parse)) 0)
1820 (setq parse (elmo-parse-prefixed-element ?/ (cdr parse)))
1821 (elmo-net-folder-set-auth-internal
1823 (if (eq (length (car parse)) 0)
1824 (or elmo-imap4-default-authenticate-type 'clear)
1825 (intern (car parse))))
1826 (unless (elmo-net-folder-server-internal folder)
1827 (elmo-net-folder-set-server-internal folder default-server))
1828 (unless (elmo-net-folder-port-internal folder)
1829 (elmo-net-folder-set-port-internal folder default-port))
1830 (unless (elmo-net-folder-stream-type-internal folder)
1831 (elmo-net-folder-set-stream-type-internal
1833 (elmo-get-network-stream-type elmo-imap4-default-stream-type)))
1836 ;;; ELMO IMAP4 folder
1837 (luna-define-method elmo-folder-expand-msgdb-path ((folder
1839 (convert-standard-filename
1840 (let ((mailbox (elmo-imap4-folder-mailbox-internal folder)))
1841 (if (string= "inbox" (downcase mailbox))
1842 (setq mailbox "inbox"))
1843 (if (eq (string-to-char mailbox) ?/)
1844 (setq mailbox (substring mailbox 1 (length mailbox))))
1845 ;; don't use expand-file-name (e.g. %~/something)
1848 (or (elmo-net-folder-user-internal folder) "nobody")
1849 (expand-file-name (or (elmo-net-folder-server-internal folder)
1853 elmo-msgdb-directory)))
1856 (luna-define-method elmo-folder-status-plugged ((folder
1858 (elmo-imap4-folder-status-plugged folder))
1860 (defun elmo-imap4-folder-status-plugged (folder)
1861 (let ((session (elmo-imap4-get-session folder))
1862 (killed (elmo-msgdb-killed-list-load
1863 (elmo-folder-msgdb-path folder)))
1865 (with-current-buffer (elmo-network-session-buffer session)
1866 (setq elmo-imap4-status-callback nil)
1867 (setq elmo-imap4-status-callback-data nil))
1868 (setq status (elmo-imap4-response-value
1869 (elmo-imap4-send-command-wait
1873 (elmo-imap4-folder-mailbox-internal folder))
1874 " (uidnext messages)"))
1877 (- (elmo-imap4-response-value status 'uidnext) 1)
1880 (elmo-imap4-response-value status 'messages)
1881 (elmo-msgdb-killed-list-length killed))
1882 (elmo-imap4-response-value status 'messages)))))
1884 (luna-define-method elmo-folder-list-messages-plugged ((folder
1888 (elmo-imap4-list folder
1890 (elmo-folder-killed-list-internal
1893 (eq (length killed) 1)
1894 (consp (car killed))
1895 (eq (car (car killed)) 1))
1896 (format "uid %d:*" (cdr (car killed)))
1899 (luna-define-method elmo-folder-list-unreads-plugged
1900 ((folder elmo-imap4-folder))
1901 (elmo-imap4-folder-list-flagged folder 'unread))
1903 (luna-define-method elmo-folder-list-importants-plugged
1904 ((folder elmo-imap4-folder))
1905 (elmo-imap4-folder-list-flagged folder 'important))
1907 (luna-define-method elmo-folder-list-answereds-plugged
1908 ((folder elmo-imap4-folder))
1909 (elmo-imap4-folder-list-flagged folder 'answered))
1911 (luna-define-method elmo-folder-use-flag-p ((folder elmo-imap4-folder))
1914 (luna-define-method elmo-folder-list-subfolders ((folder elmo-imap4-folder)
1915 &optional one-level)
1916 (let* ((root (elmo-imap4-folder-mailbox-internal folder))
1917 (session (elmo-imap4-get-session folder))
1918 (prefix (elmo-folder-prefix-internal folder))
1920 (elmo-string-matched-assoc
1922 (with-current-buffer (elmo-network-session-buffer session)
1923 elmo-imap4-server-namespace)))
1924 (delim (or (cdr namespace-assoc)
1925 elmo-imap4-default-hierarchy-delimiter))
1926 ;; Append delimiter when root with namespace.
1927 (root (if (and namespace-assoc
1929 (string= (substring root (match-end 1))
1933 result append-serv type)
1934 (setq result (elmo-imap4-response-get-selectable-mailbox-list
1935 (elmo-imap4-send-command-wait
1937 (list "list " (elmo-imap4-mailbox root) " *"))))
1938 (when (or (not (string= (elmo-net-folder-user-internal folder)
1939 elmo-imap4-default-user))
1940 (not (eq (elmo-net-folder-auth-internal folder)
1941 (or elmo-imap4-default-authenticate-type 'clear))))
1942 (setq append-serv (concat ":" (elmo-net-folder-user-internal folder))))
1943 (unless (eq (elmo-net-folder-auth-internal folder)
1944 (or elmo-imap4-default-authenticate-type 'clear))
1946 (concat append-serv "/"
1947 (symbol-name (elmo-net-folder-auth-internal folder)))))
1948 (unless (string= (elmo-net-folder-server-internal folder)
1949 elmo-imap4-default-server)
1950 (setq append-serv (concat append-serv "@"
1951 (elmo-net-folder-server-internal folder))))
1952 (unless (eq (elmo-net-folder-port-internal folder) elmo-imap4-default-port)
1953 (setq append-serv (concat append-serv ":"
1955 (elmo-net-folder-port-internal folder)))))
1956 (setq type (elmo-net-folder-stream-type-internal folder))
1957 (unless (eq (elmo-network-stream-type-symbol type)
1958 elmo-imap4-default-stream-type)
1960 (setq append-serv (concat append-serv
1961 (elmo-network-stream-type-spec-string
1964 (let ((re-delim (regexp-quote delim))
1965 (case-fold-search nil)
1966 folder ret has-child-p)
1969 (not (string= root ""))
1971 (concat "\\(.*\\)" re-delim "\\'")
1973 (setq root (concat root delim)))
1974 (while (setq folder (car result))
1976 (concat "^\\(" (regexp-quote root) "[^" re-delim "]" "+\\)"
1979 (setq folder (match-string 1 folder)))
1980 (setq has-child-p nil
1983 (mapcar (lambda (fld)
1985 (concat "^" (regexp-quote folder)
1986 "\\(" re-delim "\\|\\'\\)")
1988 (progn (setq has-child-p t) nil)
1991 folder (concat prefix
1992 (elmo-imap4-decode-folder-string folder)
1994 (eval append-serv)))
1995 ret (append ret (if has-child-p
1996 (list (list folder))
1999 (mapcar (lambda (fld)
2000 (concat prefix (elmo-imap4-decode-folder-string fld)
2002 (eval append-serv))))
2005 (luna-define-method elmo-folder-exists-p-plugged ((folder elmo-imap4-folder))
2006 (let ((session (elmo-imap4-get-session folder)))
2008 (elmo-imap4-session-current-mailbox-internal session)
2009 (elmo-imap4-folder-mailbox-internal folder))
2011 (elmo-imap4-session-select-mailbox
2013 (elmo-imap4-folder-mailbox-internal folder)
2014 'force 'notify-bye))))
2016 (luna-define-method elmo-folder-creatable-p ((folder elmo-imap4-folder))
2019 (luna-define-method elmo-folder-writable-p ((folder elmo-imap4-folder))
2022 (luna-define-method elmo-folder-delete ((folder elmo-imap4-folder))
2023 (let ((msgs (and (elmo-folder-exists-p folder)
2024 (elmo-folder-list-messages folder))))
2025 (when (yes-or-no-p (format "%sDelete msgdb and substance of \"%s\"? "
2026 (if (> (length msgs) 0)
2027 (format "%d msg(s) exists. " (length msgs))
2029 (elmo-folder-name-internal folder)))
2030 (let ((session (elmo-imap4-get-session folder)))
2031 (when (elmo-imap4-folder-mailbox-internal folder)
2032 (when msgs (elmo-folder-delete-messages folder msgs))
2033 (elmo-imap4-send-command-wait session "close")
2034 (elmo-imap4-send-command-wait
2038 (elmo-imap4-folder-mailbox-internal folder))))))
2039 (elmo-msgdb-delete-path folder)
2042 (luna-define-method elmo-folder-rename-internal ((folder elmo-imap4-folder)
2044 (let ((session (elmo-imap4-get-session folder)))
2045 ;; make sure the folder is selected.
2046 (elmo-imap4-session-select-mailbox session
2047 (elmo-imap4-folder-mailbox-internal
2049 (elmo-imap4-send-command-wait session "close")
2050 (elmo-imap4-send-command-wait
2054 (elmo-imap4-folder-mailbox-internal folder))
2057 (elmo-imap4-folder-mailbox-internal new-folder))))
2058 (elmo-imap4-session-set-current-mailbox-internal
2059 session (elmo-imap4-folder-mailbox-internal new-folder))))
2061 (defun elmo-imap4-copy-messages (src-folder dst-folder numbers)
2062 (let ((session (elmo-imap4-get-session src-folder))
2063 (set-list (elmo-imap4-make-number-set-list
2065 elmo-imap4-number-set-chop-length))
2067 (elmo-imap4-session-select-mailbox session
2068 (elmo-imap4-folder-mailbox-internal
2071 (if (elmo-imap4-send-command-wait session
2074 (if elmo-imap4-use-uid
2077 (cdr (car set-list)))
2079 (elmo-imap4-folder-mailbox-internal
2081 (setq succeeds (append succeeds numbers)))
2082 (setq set-list (cdr set-list)))
2085 (defun elmo-imap4-set-flag (folder numbers flag &optional remove)
2086 "Set flag on messages.
2087 FOLDER is the ELMO folder structure.
2088 NUMBERS is the message numbers to be flagged.
2089 FLAG is the flag name.
2090 If optional argument REMOVE is non-nil, remove FLAG."
2091 (let ((session (elmo-imap4-get-session folder))
2093 (elmo-imap4-session-select-mailbox session
2094 (elmo-imap4-folder-mailbox-internal
2096 (when (or (elmo-string-member-ignore-case
2098 (elmo-imap4-session-flags-internal session))
2099 (string= flag "\\Deleted")) ; XXX Humm..
2100 (setq set-list (elmo-imap4-make-number-set-list
2102 elmo-imap4-number-set-chop-length))
2104 (with-current-buffer (elmo-network-session-buffer session)
2105 (setq elmo-imap4-fetch-callback nil)
2106 (setq elmo-imap4-fetch-callback-data nil))
2107 (unless (elmo-imap4-response-ok-p
2108 (elmo-imap4-send-command-wait
2111 (if elmo-imap4-use-uid
2112 "uid store %s %sflags.silent (%s)"
2113 "store %s %sflags.silent (%s)")
2114 (cdr (car set-list))
2117 (setq response 'fail))
2118 (setq set-list (cdr set-list)))
2119 (not (eq response 'fail)))))
2121 (luna-define-method elmo-folder-delete-messages-plugged
2122 ((folder elmo-imap4-folder) numbers)
2123 (let ((session (elmo-imap4-get-session folder)))
2124 (elmo-imap4-session-select-mailbox
2126 (elmo-imap4-folder-mailbox-internal folder))
2127 (unless (elmo-imap4-set-flag folder numbers "\\Deleted")
2128 (error "Failed to set deleted flag"))
2129 (elmo-imap4-send-command session "expunge")))
2131 (defmacro elmo-imap4-detect-search-charset (string)
2132 (` (with-temp-buffer
2134 (detect-mime-charset-region (point-min) (point-max)))))
2136 (defun elmo-imap4-search-internal-primitive (folder session filter from-msgs)
2137 (let ((search-key (elmo-filter-key filter))
2138 (imap-search-keys '("bcc" "body" "cc" "from" "subject" "to"
2139 "larger" "smaller" "flag"))
2141 (length (length from-msgs))
2142 charset set-list end results)
2143 (message "Searching...")
2145 ((string= "last" search-key)
2146 (let ((numbers (or from-msgs (elmo-folder-list-messages folder))))
2147 (nthcdr (max (- (length numbers)
2148 (string-to-int (elmo-filter-value filter)))
2151 ((string= "first" search-key)
2152 (let* ((numbers (or from-msgs (elmo-folder-list-messages folder)))
2153 (rest (nthcdr (string-to-int (elmo-filter-value filter) )
2155 (mapcar '(lambda (x) (delete x numbers)) rest)
2157 ((string= "flag" search-key)
2158 (elmo-imap4-folder-list-flagged
2159 folder (intern (elmo-filter-value filter))))
2160 ((or (string= "since" search-key)
2161 (string= "before" search-key))
2162 (setq search-key (concat "sent" search-key)
2163 set-list (elmo-imap4-make-number-set-list
2165 elmo-imap4-number-set-chop-length)
2171 (elmo-imap4-response-value
2172 (elmo-imap4-send-command-wait
2175 (if elmo-imap4-use-uid
2176 "uid search %s%s%s %s"
2180 (if elmo-imap4-use-uid "uid ")
2181 (cdr (car set-list))
2184 (if (eq (elmo-filter-type filter)
2188 (elmo-date-get-description
2189 (elmo-date-get-datevec
2190 (elmo-filter-value filter)))))
2192 (when (> length elmo-display-progress-threshold)
2193 (setq total (+ total (car (car set-list))))
2194 (elmo-display-progress
2195 'elmo-imap4-search "Searching..."
2196 (/ (* total 100) length)))
2197 (setq set-list (cdr set-list)
2198 end (null set-list)))
2202 (if (eq (length (elmo-filter-value filter)) 0)
2203 (setq charset 'us-ascii)
2204 (elmo-imap4-detect-search-charset
2205 (elmo-filter-value filter)))
2206 set-list (elmo-imap4-make-number-set-list
2208 elmo-imap4-number-set-chop-length)
2214 (elmo-imap4-response-value
2215 (elmo-imap4-send-command-wait
2218 (if elmo-imap4-use-uid "uid ")
2222 (symbol-name charset))
2226 (if elmo-imap4-use-uid "uid ")
2227 (cdr (car set-list))
2230 (if (eq (elmo-filter-type filter)
2235 (elmo-filter-key filter)
2239 (elmo-filter-key filter))
2241 (encode-mime-charset-string
2242 (elmo-filter-value filter) charset))))
2244 (when (> length elmo-display-progress-threshold)
2245 (setq total (+ total (car (car set-list))))
2246 (elmo-display-progress
2247 'elmo-imap4-search "Searching..."
2248 (/ (* total 100) length)))
2249 (setq set-list (cdr set-list)
2250 end (null set-list)))
2253 (defun elmo-imap4-search-internal (folder session condition from-msgs)
2256 ((vectorp condition)
2257 (setq result (elmo-imap4-search-internal-primitive
2258 folder session condition from-msgs)))
2259 ((eq (car condition) 'and)
2260 (setq result (elmo-imap4-search-internal folder session (nth 1 condition)
2262 result (elmo-list-filter result
2263 (elmo-imap4-search-internal
2264 folder session (nth 2 condition)
2266 ((eq (car condition) 'or)
2267 (setq result (elmo-imap4-search-internal
2268 folder session (nth 1 condition) from-msgs)
2269 result (elmo-uniq-list
2271 (elmo-imap4-search-internal
2272 folder session (nth 2 condition) from-msgs)))
2273 result (sort result '<))))))
2275 (luna-define-method elmo-folder-search :around ((folder elmo-imap4-folder)
2276 condition &optional numbers)
2277 (if (elmo-folder-plugged-p folder)
2279 (let ((session (elmo-imap4-get-session folder)))
2280 (elmo-imap4-session-select-mailbox
2282 (elmo-imap4-folder-mailbox-internal folder))
2283 (elmo-imap4-search-internal folder session condition numbers)))
2284 (luna-call-next-method)))
2286 (luna-define-method elmo-folder-msgdb-create-plugged
2287 ((folder elmo-imap4-folder) numbers flag-table)
2289 (let ((session (elmo-imap4-get-session folder))
2292 '("Subject" "From" "To" "Cc" "Date"
2293 "Message-Id" "References" "In-Reply-To")
2294 elmo-msgdb-extra-fields))
2296 (length (length numbers))
2297 print-length print-depth
2299 (setq rfc2060 (memq 'imap4rev1
2300 (elmo-imap4-session-capability-internal
2302 (message "Getting overview...")
2303 (elmo-imap4-session-select-mailbox
2304 session (elmo-imap4-folder-mailbox-internal folder))
2305 (setq set-list (elmo-imap4-make-number-set-list
2307 elmo-imap4-overview-fetch-chop-length))
2309 (with-current-buffer (elmo-network-session-buffer session)
2310 (setq elmo-imap4-current-msgdb (elmo-make-msgdb)
2311 elmo-imap4-seen-messages nil
2312 elmo-imap4-fetch-callback 'elmo-imap4-fetch-callback-1
2313 elmo-imap4-fetch-callback-data (cons flag-table folder))
2315 (elmo-imap4-send-command-wait
2317 ;; get overview entity from IMAP4
2318 (format "%sfetch %s (%s rfc822.size flags)"
2319 (if elmo-imap4-use-uid "uid " "")
2320 (cdr (car set-list))
2322 (format "body.peek[header.fields %s]" headers)
2323 (format "%s" headers))))
2324 (when (> length elmo-display-progress-threshold)
2325 (setq total (+ total (car (car set-list))))
2326 (elmo-display-progress
2327 'elmo-imap4-msgdb-create "Getting overview..."
2328 (/ (* total 100) length)))
2329 (setq set-list (cdr set-list)))
2330 (message "Getting overview...done")
2331 (when elmo-imap4-seen-messages
2332 (elmo-imap4-set-flag folder elmo-imap4-seen-messages "\\Seen"))
2333 ;; cannot setup the global flag while retrieval.
2334 (dolist (number (elmo-msgdb-list-messages elmo-imap4-current-msgdb))
2335 (elmo-global-flags-set (elmo-msgdb-flags elmo-imap4-current-msgdb
2338 (elmo-message-entity-field
2339 (elmo-msgdb-message-entity
2340 elmo-imap4-current-msgdb number)
2342 elmo-imap4-current-msgdb))))
2344 (luna-define-method elmo-folder-unflag-important-plugged
2345 ((folder elmo-imap4-folder) numbers)
2346 (elmo-imap4-set-flag folder numbers "\\Flagged" 'remove))
2348 (luna-define-method elmo-folder-flag-as-important-plugged
2349 ((folder elmo-imap4-folder) numbers)
2350 (elmo-imap4-set-flag folder numbers "\\Flagged"))
2352 (luna-define-method elmo-folder-unflag-read-plugged
2353 ((folder elmo-imap4-folder) numbers)
2354 (elmo-imap4-set-flag folder numbers "\\Seen" 'remove))
2356 (luna-define-method elmo-folder-flag-as-read-plugged
2357 ((folder elmo-imap4-folder) numbers)
2358 (elmo-imap4-set-flag folder numbers "\\Seen"))
2360 (luna-define-method elmo-folder-unflag-answered-plugged
2361 ((folder elmo-imap4-folder) numbers)
2362 (elmo-imap4-set-flag folder numbers "\\Answered" 'remove))
2364 (luna-define-method elmo-folder-flag-as-answered-plugged
2365 ((folder elmo-imap4-folder) numbers)
2366 (elmo-imap4-set-flag folder numbers "\\Answered"))
2368 (luna-define-method elmo-message-use-cache-p ((folder elmo-imap4-folder)
2370 elmo-imap4-use-cache)
2372 (luna-define-method elmo-folder-message-appendable-p ((folder elmo-imap4-folder))
2373 (if (elmo-folder-plugged-p folder)
2374 (not (elmo-imap4-session-read-only-internal
2375 (elmo-imap4-get-session folder)))
2376 elmo-enable-disconnected-operation)) ; offline refile.
2378 (luna-define-method elmo-folder-check-plugged ((folder elmo-imap4-folder))
2379 (let ((session (elmo-imap4-get-session folder 'if-exists)))
2382 (elmo-imap4-session-current-mailbox-internal session)
2383 (elmo-imap4-folder-mailbox-internal folder))
2384 (if elmo-imap4-use-select-to-update-status
2385 (elmo-imap4-session-select-mailbox
2387 (elmo-imap4-folder-mailbox-internal folder)
2389 (elmo-imap4-session-check session))))))
2391 (defsubst elmo-imap4-folder-diff-plugged (folder)
2392 (let ((session (elmo-imap4-get-session folder))
2393 messages new unread response killed uidnext)
2394 ;;; (elmo-imap4-commit spec)
2395 (with-current-buffer (elmo-network-session-buffer session)
2396 (setq elmo-imap4-status-callback nil)
2397 (setq elmo-imap4-status-callback-data nil))
2398 (if elmo-imap4-use-select-to-update-status
2399 (elmo-imap4-session-select-mailbox
2401 (elmo-imap4-folder-mailbox-internal folder)))
2403 (elmo-imap4-send-command-wait session
2407 (elmo-imap4-folder-mailbox-internal
2409 " (recent unseen messages uidnext)")))
2410 (setq response (elmo-imap4-response-value response 'status))
2411 (setq messages (elmo-imap4-response-value response 'messages))
2412 (setq uidnext (elmo-imap4-response-value response 'uidnext))
2413 (setq killed (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder)))
2416 (when (and (consp (car killed))
2417 (eq (car (car killed)) 1))
2418 (setq messages (- uidnext (cdr (car killed)) 1)))
2419 (setq messages (- messages
2420 (elmo-msgdb-killed-list-length (cdr killed)))))
2421 (setq new (elmo-imap4-response-value response 'recent)
2422 unread (elmo-imap4-response-value response 'unseen))
2423 (if (< unread new) (setq new unread))
2424 (list new unread messages)))
2426 (luna-define-method elmo-folder-diff-plugged ((folder elmo-imap4-folder))
2427 (elmo-imap4-folder-diff-plugged folder))
2429 (luna-define-method elmo-folder-diff-async ((folder elmo-imap4-folder))
2430 (setq elmo-imap4-server-diff-async-callback
2431 elmo-folder-diff-async-callback)
2432 (setq elmo-imap4-server-diff-async-callback-data
2433 elmo-folder-diff-async-callback-data)
2434 (elmo-imap4-server-diff-async folder))
2436 (luna-define-method elmo-folder-open :around ((folder elmo-imap4-folder)
2437 &optional load-msgdb)
2438 (if (elmo-folder-plugged-p folder)
2439 (let (session mailbox msgdb result response tag)
2442 (setq session (elmo-imap4-get-session folder)
2443 mailbox (elmo-imap4-folder-mailbox-internal folder)
2444 tag (elmo-imap4-send-command session
2448 (message "Selecting %s..."
2449 (elmo-folder-name-internal folder))
2451 (setq msgdb (elmo-folder-msgdb-load folder 'silent)))
2452 (elmo-folder-set-killed-list-internal
2454 (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder)))
2455 (if (setq result (elmo-imap4-response-ok-p
2457 (elmo-imap4-read-response session tag))))
2459 (elmo-imap4-session-set-current-mailbox-internal
2461 (elmo-imap4-session-set-read-only-internal
2463 (nth 1 (assq 'read-only (assq 'ok response))))
2464 (elmo-imap4-session-set-flags-internal
2466 (nth 1 (or (assq 'permanentflags response)
2467 (assq 'flags response)))))
2468 (elmo-imap4-session-set-current-mailbox-internal session nil)
2469 (if (elmo-imap4-response-bye-p response)
2470 (elmo-imap4-process-bye session)
2472 (or (elmo-imap4-response-error-text response)
2473 (format "Select %s failed" mailbox)))))
2474 (message "Selecting %s...done"
2475 (elmo-folder-name-internal folder))
2476 (elmo-folder-set-msgdb-internal
2479 (if (elmo-imap4-response-ok-p response)
2480 (elmo-imap4-session-set-current-mailbox-internal
2483 (elmo-imap4-session-set-current-mailbox-internal
2486 (if (elmo-imap4-response-ok-p response)
2487 (elmo-imap4-session-set-current-mailbox-internal
2490 (elmo-imap4-session-set-current-mailbox-internal
2492 (luna-call-next-method)))
2494 ;; elmo-folder-open-internal: do nothing.
2496 (luna-define-method elmo-find-fetch-strategy
2497 ((folder elmo-imap4-folder) entity &optional ignore-cache)
2498 (let ((number (elmo-message-entity-number entity))
2499 cache-file size message-id)
2500 (setq size (elmo-message-entity-field entity 'size))
2501 (setq message-id (elmo-message-entity-field entity 'message-id))
2502 (setq cache-file (elmo-file-cache-get message-id))
2503 (if (or ignore-cache
2504 (null (elmo-file-cache-status cache-file)))
2505 (if (and elmo-message-fetch-threshold
2507 (>= size elmo-message-fetch-threshold)
2508 (or (not elmo-message-fetch-confirm)
2509 (not (prog1 (y-or-n-p
2511 "Fetch entire message at once? (%dbytes)"
2514 ;; Fetch message as imap message.
2515 (elmo-make-fetch-strategy 'section
2517 (elmo-message-use-cache-p
2519 (elmo-file-cache-path
2521 ;; Don't use existing cache and fetch entire message at once.
2522 (elmo-make-fetch-strategy 'entire nil
2523 (elmo-message-use-cache-p
2525 (elmo-file-cache-path cache-file)))
2526 ;; Cache found and use it.
2527 (if (not ignore-cache)
2528 (if (eq (elmo-file-cache-status cache-file) 'section)
2529 ;; Fetch message with imap message.
2530 (elmo-make-fetch-strategy 'section
2532 (elmo-message-use-cache-p
2534 (elmo-file-cache-path
2536 (elmo-make-fetch-strategy 'entire
2538 (elmo-message-use-cache-p
2540 (elmo-file-cache-path
2543 (luna-define-method elmo-folder-create-plugged ((folder elmo-imap4-folder))
2544 (elmo-imap4-send-command-wait
2545 (elmo-imap4-get-session folder)
2548 (elmo-imap4-folder-mailbox-internal folder)))))
2550 (luna-define-method elmo-folder-append-buffer
2551 ((folder elmo-imap4-folder) &optional flags number)
2552 (if (elmo-folder-plugged-p folder)
2553 (let ((session (elmo-imap4-get-session folder))
2555 (elmo-imap4-session-select-mailbox session
2556 (elmo-imap4-folder-mailbox-internal
2558 (setq send-buffer (elmo-imap4-setup-send-buffer))
2561 (elmo-imap4-send-command-wait
2565 (elmo-imap4-mailbox (elmo-imap4-folder-mailbox-internal
2567 (if (and flags (elmo-folder-use-flag-p folder))
2572 (and (memq 'important flags)
2574 (and (not (memq 'unread flags))
2576 (and (memq 'answered flags)
2581 (elmo-imap4-buffer-literal send-buffer))))
2582 (kill-buffer send-buffer))
2585 (if elmo-enable-disconnected-operation
2586 (elmo-folder-append-buffer-dop folder flags number)
2587 (error "Unplugged"))))
2590 (defmacro elmo-imap4-identical-system-p (folder1 folder2)
2591 "Return t if FOLDER1 and FOLDER2 are in the same IMAP4 system."
2592 (` (and (string= (elmo-net-folder-server-internal (, folder1))
2593 (elmo-net-folder-server-internal (, folder2)))
2594 (eq (elmo-net-folder-port-internal (, folder1))
2595 (elmo-net-folder-port-internal (, folder2)))
2596 (string= (elmo-net-folder-user-internal (, folder1))
2597 (elmo-net-folder-user-internal (, folder2)))))))
2599 (luna-define-method elmo-folder-next-message-number-plugged
2600 ((folder elmo-imap4-folder))
2601 (let ((session (elmo-imap4-get-session folder))
2602 messages new unread response killed uidnext)
2603 (with-current-buffer (elmo-network-session-buffer session)
2604 (setq elmo-imap4-status-callback nil)
2605 (setq elmo-imap4-status-callback-data nil))
2606 (if elmo-imap4-use-select-to-update-status
2607 (elmo-imap4-session-select-mailbox
2609 (elmo-imap4-folder-mailbox-internal folder)))
2611 (elmo-imap4-send-command-wait session
2615 (elmo-imap4-folder-mailbox-internal
2618 response (elmo-imap4-response-value response 'status))
2619 (elmo-imap4-response-value response 'uidnext)))
2621 (luna-define-method elmo-folder-append-messages :around
2622 ((folder elmo-imap4-folder) src-folder numbers &optional same-number)
2623 (if (and (eq (elmo-folder-type-internal src-folder) 'imap4)
2624 (elmo-imap4-identical-system-p folder src-folder)
2625 (elmo-folder-plugged-p folder))
2628 (elmo-imap4-copy-messages src-folder folder numbers)
2629 (elmo-progress-notify 'elmo-folder-move-messages (length numbers)))
2630 (luna-call-next-method)))
2632 (luna-define-method elmo-message-deletable-p ((folder elmo-imap4-folder)
2634 (if (elmo-folder-plugged-p folder)
2635 (not (elmo-imap4-session-read-only-internal
2636 (elmo-imap4-get-session folder)))
2637 elmo-enable-disconnected-operation)) ; offline refile.
2639 ;(luna-define-method elmo-message-fetch-unplugged
2640 ; ((folder elmo-imap4-folder)
2641 ; number strategy &optional section outbuf unseen)
2642 ; (error "%d%s is not cached." number (if section
2643 ; (format "(%s)" section)
2646 (defsubst elmo-imap4-message-fetch (folder number strategy
2647 section outbuf unseen)
2648 (let ((session (elmo-imap4-get-session folder))
2650 (elmo-imap4-session-select-mailbox session
2651 (elmo-imap4-folder-mailbox-internal
2653 (with-current-buffer (elmo-network-session-buffer session)
2654 (setq elmo-imap4-fetch-callback nil)
2655 (setq elmo-imap4-fetch-callback-data nil))
2656 (unless elmo-inhibit-display-retrieval-progress
2657 (setq elmo-imap4-display-literal-progress t))
2660 (elmo-imap4-send-command-wait session
2662 (if elmo-imap4-use-uid
2663 "uid fetch %s body%s[%s]"
2664 "fetch %s body%s[%s]")
2666 (if unseen ".peek" "")
2669 (setq elmo-imap4-display-literal-progress nil))
2670 (unless elmo-inhibit-display-retrieval-progress
2671 (elmo-display-progress 'elmo-imap4-display-literal-progress
2672 "Retrieving..." 100) ; remove progress bar.
2673 (message "Retrieving...done"))
2674 (if (setq response (elmo-imap4-response-bodydetail-text
2675 (elmo-imap4-response-value-all
2677 (with-current-buffer outbuf
2682 (luna-define-method elmo-message-fetch-plugged ((folder elmo-imap4-folder)
2686 (elmo-imap4-message-fetch folder number strategy section outbuf unseen))
2688 (luna-define-method elmo-message-fetch-field ((folder elmo-imap4-folder)
2690 (let ((session (elmo-imap4-get-session folder)))
2691 (elmo-imap4-session-select-mailbox session
2692 (elmo-imap4-folder-mailbox-internal
2694 (with-current-buffer (elmo-network-session-buffer session)
2695 (setq elmo-imap4-fetch-callback nil)
2696 (setq elmo-imap4-fetch-callback-data nil))
2699 (elmo-imap4-response-bodydetail-text
2700 (elmo-imap4-response-value
2701 (elmo-imap4-send-command-wait session
2703 (if elmo-imap4-use-uid
2706 "fetch %s (body.peek[header.fields (%s)])"
2709 (elmo-delete-cr-buffer)
2710 (goto-char (point-min))
2711 (std11-field-body (symbol-name field)))))
2713 (luna-define-method elmo-folder-search-requires-msgdb-p ((folder
2718 (autoload 'elmo-global-flags-set "elmo-flag")
2721 (product-provide (provide 'elmo-imap4) (require 'elmo-version))
2723 ;;; elmo-imap4.el ends here