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 (For STATUS command).")
57 (defvar elmo-imap4-overview-fetch-chop-length 200
58 "*Number of overviews to fetch in one request.")
60 ;; c.f. rfc2683 3.2.1.5 Long Command Lines
62 ;; "A client should limit the length of the command lines it generates
63 ;; to approximately 1000 octets (including all quoted strings but not
64 ;; including literals). If the client is unable to group things into
65 ;; ranges so that the command line is within that length, it should
66 ;; split the request into multiple commands. The client should use
67 ;; literals instead of long quoted strings, in order to keep the command
69 ;; For its part, a server should allow for a command line of at least
70 ;; 8000 octets. This provides plenty of leeway for accepting reasonable
71 ;; length commands from clients. The server should send a BAD response
72 ;; to a command that does not end within the server's maximum accepted
75 ;; To limit command line length, chop number set.
76 (defvar elmo-imap4-number-set-chop-length 1000
77 "*Number of messages to specify as a number-set argument for one request.")
79 (defvar elmo-imap4-force-login nil
80 "*Non-nil forces to try 'login' if there is no 'auth' capability in imapd.")
82 (defvar elmo-imap4-use-select-to-update-status nil
83 "*Some imapd have to send select command to update status.
84 \(ex. UW imapd 4.5-BETA?\). For these imapd, you must set this variable t.")
86 (defvar elmo-imap4-use-modified-utf7 nil
87 "*Use mofidied UTF-7 (rfc2060) encoding for IMAP4 folder name.")
89 (defvar elmo-imap4-use-cache t
90 "Use cache in imap4 folder.")
92 (defvar elmo-imap4-extra-namespace-alist
93 '(("^\\({.*/nntp}\\).*$" . ".")) ; Default is for UW's remote nntp mailbox...
94 "Extra namespace alist.
95 A list of cons cell like: (REGEXP . DELIMITER).
96 REGEXP should have a grouping for namespace prefix.")
98 ;;; internal variables
100 (defvar elmo-imap4-seq-prefix "elmo-imap4")
101 (defvar elmo-imap4-seqno 0)
102 (defvar elmo-imap4-use-uid t
103 "Use UID as message number.")
105 (defvar elmo-imap4-current-response nil)
106 (defvar elmo-imap4-status nil)
107 (defvar elmo-imap4-reached-tag "elmo-imap40")
109 ;;; buffer local variables
110 (defvar elmo-imap4-default-hierarchy-delimiter "/")
112 (defvar elmo-imap4-server-capability nil)
113 (defvar elmo-imap4-server-namespace nil)
115 (defvar elmo-imap4-parsing nil) ; indicates parsing.
117 (defvar elmo-imap4-fetch-callback nil)
118 (defvar elmo-imap4-fetch-callback-data nil)
119 (defvar elmo-imap4-status-callback nil)
120 (defvar elmo-imap4-status-callback-data nil)
122 (defvar elmo-imap4-server-diff-async-callback nil)
123 (defvar elmo-imap4-server-diff-async-callback-data nil)
125 ;;; progress...(no use?)
126 (defvar elmo-imap4-count-progress nil)
127 (defvar elmo-imap4-count-progress-message nil)
128 (defvar elmo-imap4-progress-count nil)
130 ;;; XXX Temporal implementation
131 (defvar elmo-imap4-current-msgdb nil)
132 (defvar elmo-imap4-seen-messages nil)
134 (defvar elmo-imap4-local-variables
136 elmo-imap4-current-response
139 elmo-imap4-reached-tag
140 elmo-imap4-count-progress
141 elmo-imap4-count-progress-message
142 elmo-imap4-progress-count
143 elmo-imap4-fetch-callback
144 elmo-imap4-fetch-callback-data
145 elmo-imap4-status-callback
146 elmo-imap4-status-callback-data
147 elmo-imap4-current-msgdb
148 elmo-imap4-seen-messages))
152 (defconst elmo-imap4-quoted-specials-list '(?\\ ?\"))
154 (defconst elmo-imap4-non-atom-char-regex
156 (concat "[^" "]!#$&'+,./0-9:;<=>?@A-Z[^_`a-z|}~-" "]")))
158 (defconst elmo-imap4-non-text-char-regex
161 "]\x01-\x09\x0b\x0c\x0e-\x1f\x7f !\"#$%&'()*+,./0-9:;<=>?@A-Z[\\^_`a-z{|}~-"
164 (defconst elmo-imap4-literal-threshold 1024
165 "Limitation of characters that can be used in a quoted string.")
167 (defconst elmo-imap4-flag-specs '((important "\\Flagged")
169 (unread "\\Seen" 'remove)
170 (answered "\\Answered")))
173 (defvar elmo-imap4-debug nil
174 "Non-nil forces IMAP4 folder as debug mode.
175 Debug information is inserted in the buffer \"*IMAP4 DEBUG*\"")
177 (defvar elmo-imap4-debug-inhibit-logging nil)
179 ;;; ELMO IMAP4 folder
181 (luna-define-class elmo-imap4-folder (elmo-net-folder)
183 (luna-define-internal-accessors 'elmo-imap4-folder))
187 (luna-define-class elmo-imap4-session (elmo-network-session)
188 (capability current-mailbox read-only flags))
189 (luna-define-internal-accessors 'elmo-imap4-session))
191 ;;; MIME-ELMO-IMAP Location
193 (luna-define-class mime-elmo-imap-location
195 (folder number rawbuf strategy))
196 (luna-define-internal-accessors 'mime-elmo-imap-location))
199 (defmacro elmo-imap4-debug (message &rest args)
200 (` (if elmo-imap4-debug
201 (elmo-imap4-debug-1 (, message) (,@ args)))))
203 (defun elmo-imap4-debug-1 (message &rest args)
204 (with-current-buffer (get-buffer-create "*IMAP4 DEBUG*")
205 (goto-char (point-max))
206 (if elmo-imap4-debug-inhibit-logging
207 (insert "NO LOGGING\n")
208 (insert (apply 'format message args) "\n"))))
210 (defsubst elmo-imap4-decode-folder-string (string)
211 (if elmo-imap4-use-modified-utf7
212 (utf7-decode-string string 'imap)
215 (defsubst elmo-imap4-encode-folder-string (string)
216 (if elmo-imap4-use-modified-utf7
217 (utf7-encode-string string 'imap)
222 (defmacro elmo-imap4-response-continue-req-p (response)
223 "Returns non-nil if RESPONSE is '+' response."
224 (` (assq 'continue-req (, response))))
226 (defmacro elmo-imap4-response-ok-p (response)
227 "Returns non-nil if RESPONSE is an 'OK' response."
228 (` (assq 'ok (, response))))
230 (defmacro elmo-imap4-response-bye-p (response)
231 "Returns non-nil if RESPONSE is an 'BYE' response."
232 (` (assq 'bye (, response))))
234 (defmacro elmo-imap4-response-garbage-p (response)
235 "Returns non-nil if RESPONSE is an 'garbage' response."
236 (` (assq 'garbage (, response))))
238 (defmacro elmo-imap4-response-value (response symbol)
239 "Get value of the SYMBOL from RESPONSE."
240 (` (nth 1 (assq (, symbol) (, response)))))
242 (defsubst elmo-imap4-response-value-all (response symbol)
243 "Get all value of the SYMBOL from RESPONSE."
246 (if (eq (car (car response)) symbol)
247 (setq matched (nconc matched (nth 1 (car response)))))
248 (setq response (cdr response)))
251 (defmacro elmo-imap4-response-error-text (response)
252 "Returns text of NO, BAD, BYE response."
253 (` (nth 1 (or (elmo-imap4-response-value (, response) 'no)
254 (elmo-imap4-response-value (, response) 'bad)
255 (elmo-imap4-response-value (, response) 'bye)))))
257 (defmacro elmo-imap4-response-bodydetail-text (response)
258 "Returns text of BODY[section]<partial>."
259 (` (nth 3 (assq 'bodydetail (, response)))))
261 ;;; Session commands.
263 ; (defun elmo-imap4-send-command-wait (session command)
264 ; "Send COMMAND to the SESSION and wait for response.
265 ; Returns RESPONSE (parsed lisp object) of IMAP session."
266 ; (elmo-imap4-read-response session
267 ; (elmo-imap4-send-command
271 (defun elmo-imap4-send-command-wait (session command)
272 "Send COMMAND to the SESSION.
273 Returns RESPONSE (parsed lisp object) of IMAP session.
274 If response is not `OK', causes error with IMAP response text."
275 (elmo-imap4-accept-ok session
276 (elmo-imap4-send-command
280 (defun elmo-imap4-send-command (session command)
281 "Send COMMAND to the SESSION.
282 Returns a TAG string which is assigned to the COMMAND."
283 (let* ((command-args (if (listp command)
286 (process (elmo-network-session-process-internal session))
287 cmdstr tag token kind)
288 (with-current-buffer (process-buffer process)
289 (setq tag (concat elmo-imap4-seq-prefix
291 (setq elmo-imap4-seqno (+ 1 elmo-imap4-seqno)))))
292 (setq cmdstr (concat tag " "))
293 ;; (erase-buffer) No need.
294 (goto-char (point-min))
295 (when (elmo-imap4-response-bye-p elmo-imap4-current-response)
296 (elmo-imap4-process-bye session))
297 (setq elmo-imap4-current-response nil)
298 (when elmo-imap4-parsing
299 (message "Waiting for IMAP response...")
300 (accept-process-output (elmo-network-session-process-internal
302 (message "Waiting for IMAP response...done"))
303 (setq elmo-imap4-parsing t)
304 (elmo-imap4-debug "<-(%s)- %s" tag command)
305 (while (setq token (car command-args))
306 (cond ((stringp token) ; formatted
307 (setq cmdstr (concat cmdstr token)))
308 ((listp token) ; unformatted
309 (setq kind (car token))
310 (cond ((eq kind 'atom)
311 (setq cmdstr (concat cmdstr (nth 1 token))))
315 (elmo-imap4-format-quoted (nth 1 token)))))
317 (setq cmdstr (concat cmdstr
318 (format "{%d}" (nth 2 token))))
319 (process-send-string process cmdstr)
320 (process-send-string process "\r\n")
322 (elmo-imap4-accept-continue-req session)
323 (cond ((stringp (nth 1 token))
324 (setq cmdstr (nth 1 token)))
325 ((bufferp (nth 1 token))
326 (with-current-buffer (nth 1 token)
330 (+ (point-min) (nth 2 token)))))
332 (error "Wrong argument for literal"))))
334 (error "Unknown token kind %s" kind))))
336 (error "Invalid argument")))
337 (setq command-args (cdr command-args)))
339 (process-send-string process cmdstr))
340 (process-send-string process "\r\n")
343 (defun elmo-imap4-send-string (session string)
344 "Send STRING to the SESSION."
345 (with-current-buffer (process-buffer
346 (elmo-network-session-process-internal session))
347 (setq elmo-imap4-current-response nil)
348 (goto-char (point-min))
349 (elmo-imap4-debug "<-- %s" string)
350 (process-send-string (elmo-network-session-process-internal session)
352 (process-send-string (elmo-network-session-process-internal session)
355 (defun elmo-imap4-read-response (session tag)
356 "Read parsed response from SESSION.
357 TAG is the tag of the command"
358 (with-current-buffer (process-buffer
359 (elmo-network-session-process-internal session))
360 (while (not (or (string= tag elmo-imap4-reached-tag)
361 (elmo-imap4-response-bye-p elmo-imap4-current-response)
362 (when (elmo-imap4-response-garbage-p
363 elmo-imap4-current-response)
364 (message "Garbage response: %s"
365 (elmo-imap4-response-value
366 elmo-imap4-current-response
369 (when (memq (process-status
370 (elmo-network-session-process-internal session))
372 (accept-process-output (elmo-network-session-process-internal session)
374 (elmo-imap4-debug "=>%s" (prin1-to-string elmo-imap4-current-response))
375 (setq elmo-imap4-parsing nil)
376 elmo-imap4-current-response))
378 (defsubst elmo-imap4-read-untagged (process)
379 (with-current-buffer (process-buffer process)
380 (while (not elmo-imap4-current-response)
381 (accept-process-output process 1))
382 (elmo-imap4-debug "=>%s" (prin1-to-string elmo-imap4-current-response))
383 elmo-imap4-current-response))
385 (defun elmo-imap4-read-continue-req (session)
386 "Returns a text following to continue-req in SESSION.
387 If response is not `+' response, returns nil."
388 (elmo-imap4-response-value
389 (elmo-imap4-read-untagged
390 (elmo-network-session-process-internal session))
393 (defun elmo-imap4-process-bye (session)
394 (with-current-buffer (elmo-network-session-buffer session)
395 (let ((r elmo-imap4-current-response))
396 (setq elmo-imap4-current-response nil)
397 (elmo-network-close-session session)
398 (signal 'elmo-imap4-bye-error
399 (list (concat (elmo-imap4-response-error-text r))
402 (defun elmo-imap4-accept-continue-req (session)
403 "Returns non-nil if `+' (continue-req) response is arrived in SESSION.
404 If response is not `+' response, cause an error."
407 (elmo-imap4-read-untagged
408 (elmo-network-session-process-internal session)))
409 (or (elmo-imap4-response-continue-req-p response)
410 (error "IMAP error: %s"
411 (or (elmo-imap4-response-error-text response)
412 "No continut-req from server.")))))
414 (defun elmo-imap4-read-ok (session tag)
415 "Returns non-nil if `OK' response of the command with TAG is arrived
416 in SESSION. If response is not `OK' response, returns nil."
417 (elmo-imap4-response-ok-p
418 (elmo-imap4-read-response session tag)))
420 (defun elmo-imap4-accept-ok (session tag)
421 "Accept only `OK' response from SESSION.
422 If response is not `OK' response, causes error with IMAP response text."
423 (let ((response (elmo-imap4-read-response session tag)))
424 (if (elmo-imap4-response-ok-p response)
426 (if (elmo-imap4-response-bye-p response)
427 (elmo-imap4-process-bye session)
428 (error "IMAP error: %s"
429 (or (elmo-imap4-response-error-text response)
430 "No `OK' response from server."))))))
432 ;;; MIME-ELMO-IMAP Location
433 (luna-define-method mime-imap-location-section-body ((location
434 mime-elmo-imap-location)
436 (if (and (stringp section)
437 (string= section "HEADER"))
438 ;; Even in the section mode, header fields should be saved to the
440 (with-current-buffer (mime-elmo-imap-location-rawbuf-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)
451 (mime-elmo-imap-location-folder-internal location)
452 (mime-elmo-imap-location-number-internal location)
453 (mime-elmo-imap-location-strategy-internal location)
458 (luna-define-method mime-imap-location-bodystructure
459 ((location mime-elmo-imap-location))
460 (elmo-imap4-fetch-bodystructure
461 (mime-elmo-imap-location-folder-internal location)
462 (mime-elmo-imap-location-number-internal location)
463 (mime-elmo-imap-location-strategy-internal location)))
465 (luna-define-method mime-imap-location-fetch-entity-p
466 ((location mime-elmo-imap-location) entity)
467 (or (not elmo-message-displaying) ; Fetching entity to save or force display.
471 (mmimap-entity-section (mime-entity-node-id-internal entity))
472 (elmo-fetch-strategy-cache-path
473 (mime-elmo-imap-location-strategy-internal location))))
474 ;; not too large to fetch.
475 (> elmo-message-fetch-threshold
476 (or (mime-imap-entity-size-internal entity) 0))))
480 (defun elmo-imap4-session-check (session)
481 (with-current-buffer (elmo-network-session-buffer session)
482 (setq elmo-imap4-fetch-callback nil)
483 (setq elmo-imap4-fetch-callback-data nil))
484 (elmo-imap4-send-command session "check"))
486 (defun elmo-imap4-atom-p (string)
487 "Return t if STRING is an atom defined in rfc2060."
488 (if (string= string "")
491 (not (string-match elmo-imap4-non-atom-char-regex string)))))
493 (defun elmo-imap4-quotable-p (string)
494 "Return t if STRING can be formatted as a quoted defined in rfc2060."
496 (not (string-match elmo-imap4-non-text-char-regex string))))
498 (defun elmo-imap4-nil (string)
499 "Return a list represents the special atom \"NIL\" defined in rfc2060, \
501 Otherwise return nil."
505 (defun elmo-imap4-atom (string)
506 "Return a list represents STRING as an atom defined in rfc2060.
507 Return nil if STRING is not an atom. See `elmo-imap4-atom-p'."
508 (if (elmo-imap4-atom-p string)
509 (list 'atom string)))
511 (defun elmo-imap4-quoted (string)
512 "Return a list represents STRING as a quoted defined in rfc2060.
513 Return nil if STRING can not be formatted as a quoted. See `elmo-imap4-quotable-p'."
514 (if (elmo-imap4-quotable-p string)
515 (list 'quoted string)))
517 (defun elmo-imap4-literal-1 (string-or-buffer length)
518 "Internal function for `elmo-imap4-literal' and `elmo-imap4-buffer-literal'.
519 Return a list represents STRING-OR-BUFFER as a literal defined in rfc2060.
520 STRING-OR-BUFFER must be an encoded string or a single-byte string or a single-byte buffer.
521 LENGTH must be the number of octets for STRING-OR-BUFFER."
522 (list 'literal string-or-buffer length))
524 (defun elmo-imap4-literal (string)
525 "Return a list represents STRING as a literal defined in rfc2060.
526 STRING must be an encoded or a single-byte string."
527 (elmo-imap4-literal-1 string (length string)))
529 (defun elmo-imap4-buffer-literal (buffer)
530 "Return a list represents BUFFER as a literal defined in rfc2060.
531 BUFFER must be a single-byte buffer."
532 (elmo-imap4-literal-1 buffer (with-current-buffer buffer
535 (defun elmo-imap4-string-1 (string length)
536 "Internal function for `elmo-imap4-string' and `elmo-imap4-buffer-string'.
537 Return a list represents STRING as a string defined in rfc2060.
538 STRING must be an encoded or a single-byte string.
539 LENGTH must be the number of octets for STRING."
540 (or (elmo-imap4-quoted string)
541 (elmo-imap4-literal-1 string length)))
543 (defun elmo-imap4-string (string)
544 "Return a list represents STRING as a string defined in rfc2060.
545 STRING must be an encoded or a single-byte string."
546 (let ((length (length string)))
547 (if (< elmo-imap4-literal-threshold length)
548 (elmo-imap4-literal-1 string length)
549 (elmo-imap4-string-1 string length))))
551 (defun elmo-imap4-buffer-string (buffer)
552 "Return a list represents BUFFER as a string defined in rfc2060.
553 BUFFER must be a single-byte buffer."
554 (let ((length (with-current-buffer buffer
556 (if (< elmo-imap4-literal-threshold length)
557 (elmo-imap4-literal-1 buffer length)
558 (elmo-imap4-string-1 (with-current-buffer buffer
562 (defun elmo-imap4-astring-1 (string length)
563 "Internal function for `elmo-imap4-astring' and `elmo-imap4-buffer-astring'.
564 Return a list represents STRING as an astring defined in rfc2060.
565 STRING must be an encoded or a single-byte string.
566 LENGTH must be the number of octets for STRING."
567 (or (elmo-imap4-atom string)
568 (elmo-imap4-string-1 string length)))
570 (defun elmo-imap4-astring (string)
571 "Return a list represents STRING as an astring defined in rfc2060.
572 STRING must be an encoded or a single-byte string."
573 (let ((length (length string)))
574 (if (< elmo-imap4-literal-threshold length)
575 (elmo-imap4-literal-1 string length)
576 (elmo-imap4-astring-1 string length))))
578 (defun elmo-imap4-buffer-astring (buffer)
579 "Return a list represents BUFFER as an astring defined in rfc2060.
580 BUFFER must be a single-byte buffer."
581 (let ((length (with-current-buffer buffer
583 (if (< elmo-imap4-literal-threshold length)
584 (elmo-imap4-literal-1 buffer length)
585 (elmo-imap4-astring-1 (with-current-buffer buffer
589 (defun elmo-imap4-nstring (string)
590 "Return a list represents STRING as a nstring defined in rfc2060.
591 STRING must be an encoded or a single-byte string."
592 (or (elmo-imap4-nil string)
593 (elmo-imap4-string string)))
595 (defun elmo-imap4-buffer-nstring (buffer)
596 "Return a list represents BUFFER as a nstring defined in rfc2060.
597 BUFFER must be a single-byte buffer."
598 (or (elmo-imap4-nil buffer)
599 (elmo-imap4-buffer-string buffer)))
601 (defalias 'elmo-imap4-mailbox 'elmo-imap4-astring)
602 (defalias 'elmo-imap4-field-body 'elmo-imap4-astring)
603 (defalias 'elmo-imap4-userid 'elmo-imap4-astring)
604 (defalias 'elmo-imap4-password 'elmo-imap4-astring)
606 (defun elmo-imap4-format-quoted (string)
607 "Return STRING in a form of the quoted-string defined in rfc2060."
609 (std11-wrap-as-quoted-pairs string elmo-imap4-quoted-specials-list)
612 (defsubst elmo-imap4-response-get-selectable-mailbox-list (response)
616 (if (and (eq 'list (car entry))
617 (not (elmo-string-member-ignore-case "\\Noselect" (nth 1 (nth 1 entry)))))
618 (car (nth 1 entry))))
621 (defun elmo-imap4-fetch-bodystructure (folder number strategy)
622 "Fetch BODYSTRUCTURE for the message in the FOLDER with NUMBER using STRATEGY."
623 (if (elmo-fetch-strategy-use-cache strategy)
625 (elmo-file-cache-expand-path
626 (elmo-fetch-strategy-cache-path strategy)
628 (let ((session (elmo-imap4-get-session folder))
630 (elmo-imap4-session-select-mailbox
632 (elmo-imap4-folder-mailbox-internal folder))
633 (with-current-buffer (elmo-network-session-buffer session)
634 (setq elmo-imap4-fetch-callback nil)
635 (setq elmo-imap4-fetch-callback-data nil))
636 (prog1 (setq bodystructure
637 (elmo-imap4-response-value
638 (elmo-imap4-response-value
639 (elmo-imap4-send-command-wait
642 (if elmo-imap4-use-uid
643 "uid fetch %s bodystructure"
644 "fetch %s bodystructure")
648 (when (elmo-fetch-strategy-save-cache strategy)
649 (elmo-file-cache-delete
650 (elmo-fetch-strategy-cache-path strategy))
652 (elmo-file-cache-expand-path
653 (elmo-fetch-strategy-cache-path strategy)
658 (luna-define-method elmo-create-folder-plugged ((folder elmo-imap4-folder))
659 (elmo-imap4-send-command-wait
660 (elmo-imap4-get-session folder)
661 (list "create " (elmo-imap4-mailbox
662 (elmo-imap4-folder-mailbox-internal folder)))))
664 (defun elmo-imap4-get-session (folder &optional if-exists)
665 (elmo-network-get-session 'elmo-imap4-session
667 (if (elmo-folder-biff-internal folder)
672 (defun elmo-imap4-session-select-mailbox (session mailbox
673 &optional force no-error)
674 "Select MAILBOX in SESSION.
675 If optional argument FORCE is non-nil, select mailbox even if current mailbox
677 If second optional argument NO-ERROR is non-nil, don't cause an error when
678 selecting folder was failed.
679 If NO-ERROR is 'notify-bye, only BYE response is reported as error.
680 Returns response value if selecting folder succeed. "
683 (elmo-imap4-session-current-mailbox-internal session)
685 (let (response result)
688 (elmo-imap4-read-response
690 (elmo-imap4-send-command
694 (elmo-imap4-mailbox mailbox)))))
695 (if (setq result (elmo-imap4-response-ok-p response))
697 (elmo-imap4-session-set-current-mailbox-internal session mailbox)
698 (elmo-imap4-session-set-read-only-internal
700 (nth 1 (assq 'read-only (assq 'ok response))))
701 (elmo-imap4-session-set-flags-internal
703 (nth 1 (or (assq 'permanentflags response)
704 (assq 'flags response)))))
705 (elmo-imap4-session-set-current-mailbox-internal session nil)
706 (if (and (eq no-error 'notify-bye)
707 (elmo-imap4-response-bye-p response))
708 (elmo-imap4-process-bye session)
711 (or (elmo-imap4-response-error-text response)
712 (format "Select %s failed" mailbox)))))))
713 (and result response))))
715 (defun elmo-imap4-check-validity (spec validity-file)
717 ;;;(elmo-imap4-send-command-wait
718 ;;;(elmo-imap4-get-session spec)
720 ;;; (elmo-imap4-mailbox
721 ;;; (elmo-imap4-spec-mailbox spec))
722 ;;; " (uidvalidity)")))
725 (defun elmo-imap4-sync-validity (spec validity-file)
729 (defun elmo-imap4-list (folder flag)
730 (let ((session (elmo-imap4-get-session folder)))
731 (elmo-imap4-session-select-mailbox
733 (elmo-imap4-folder-mailbox-internal folder))
734 (elmo-imap4-response-value
735 (elmo-imap4-send-command-wait
737 (format (if elmo-imap4-use-uid "uid search %s"
741 (defun elmo-imap4-session-flag-available-p (session flag)
743 ((read unread) (elmo-string-member-ignore-case
744 "\\seen" (elmo-imap4-session-flags-internal session)))
746 (elmo-string-member-ignore-case
747 "\\flagged" (elmo-imap4-session-flags-internal session)))
749 (or (elmo-string-member-ignore-case
750 "\\seen" (elmo-imap4-session-flags-internal session))
751 (elmo-string-member-ignore-case
752 "\\flagged" (elmo-imap4-session-flags-internal session))))
753 (t (elmo-string-member-ignore-case
754 (concat "\\" (symbol-name flag))
755 (elmo-imap4-session-flags-internal session)))))
757 (defun elmo-imap4-folder-list-flagged (folder flag)
758 "List flagged message numbers in the FOLDER.
759 FLAG is one of the `unread', `read', `important', `answered', `any'."
760 (let ((session (elmo-imap4-get-session folder))
764 (important "flagged")
765 (any "or answered or unseen flagged")
766 (digest "or unseen flagged")
767 (t (symbol-name flag)))))
768 (if (elmo-imap4-session-flag-available-p session flag)
770 (elmo-imap4-session-select-mailbox
772 (elmo-imap4-folder-mailbox-internal folder))
773 (elmo-imap4-response-value
774 (elmo-imap4-send-command-wait
776 (format (if elmo-imap4-use-uid "uid search %s"
777 "search %s") criteria))
779 ;; List flagged messages in the msgdb.
780 (elmo-msgdb-list-flagged (elmo-folder-msgdb folder) flag))))
782 (defvar elmo-imap4-rfc822-size "RFC822\.SIZE")
783 (defvar elmo-imap4-rfc822-text "RFC822\.TEXT")
784 (defvar elmo-imap4-rfc822-header "RFC822\.HEADER")
785 (defvar elmo-imap4-header-fields "HEADER\.FIELDS")
787 (defun elmo-imap4-make-number-set-list (msg-list &optional chop-length)
788 "Make RFC2060's message set specifier from MSG-LIST.
789 Returns a list of (NUMBER . SET-STRING).
790 SET-STRING is the message set specifier described in RFC2060.
791 NUMBER is contained message number in SET-STRING.
792 Every SET-STRING does not contain number of messages longer than CHOP-LENGTH.
793 If CHOP-LENGTH is not specified, message set is not chopped."
794 (let (count cont-list set-list)
795 (setq msg-list (sort (copy-sequence msg-list) '<))
800 (setq chop-length (length msg-list)))
801 (while (and (not (null msg-list))
802 (< count chop-length))
804 (elmo-number-set-append
805 cont-list (car msg-list)))
807 (setq msg-list (cdr msg-list)))
815 (format "%s:%s" (car x) (cdr x)))
821 (nreverse set-list)))
825 ;; cons of flag-table and folder structure
826 (defsubst elmo-imap4-fetch-callback-1-subr (entity flags app-data)
827 "A msgdb entity callback function."
828 (let ((use-flag (elmo-folder-use-flag-p (cdr app-data)))
829 (flag-table (car app-data))
830 (msg-id (elmo-message-entity-field entity 'message-id))
831 saved-flags flag-list)
832 ;; (when (elmo-string-member-ignore-case "\\Flagged" flags)
833 ;; (elmo-msgdb-global-mark-set msg-id elmo-msgdb-important-mark))
834 (setq saved-flags (elmo-flag-table-get flag-table msg-id)
838 (and (memq 'new saved-flags)
839 (not (elmo-string-member-ignore-case "\\Seen" flags))
841 (and (elmo-string-member-ignore-case "\\Flagged" flags)
843 (and (not (elmo-string-member-ignore-case "\\Seen" flags))
845 (and (elmo-string-member-ignore-case "\\Answered" flags)
847 (and (elmo-file-cache-exists-p msg-id)
850 (when (and (or (memq 'important flag-list)
851 (memq 'answered flag-list))
852 (memq 'unread flag-list))
853 (setq elmo-imap4-seen-messages
854 (cons (elmo-message-entity-number entity)
855 elmo-imap4-seen-messages)))
856 (elmo-msgdb-append-entity elmo-imap4-current-msgdb
860 ;; Current buffer is process buffer.
861 (defun elmo-imap4-fetch-callback-1 (element app-data)
862 (let ((handler (elmo-msgdb-message-entity-handler elmo-imap4-current-msgdb)))
863 (elmo-imap4-fetch-callback-1-subr
865 (insert (or (elmo-imap4-response-bodydetail-text element)
868 (goto-char (point-min))
869 (while (search-forward "\r\n" nil t)
870 (replace-match "\n"))
871 (elmo-msgdb-create-message-entity-from-buffer
873 (elmo-imap4-response-value element 'uid)
874 :size (elmo-imap4-response-value element 'rfc822size)))
875 (elmo-imap4-response-value element 'flags)
878 (defun elmo-imap4-parse-capability (string)
879 (if (string-match "^\\*\\(.*\\)$" string)
881 (concat "(" (downcase (elmo-match-string 1 string)) ")"))))
883 (defun elmo-imap4-clear-login (session)
884 (let ((elmo-imap4-debug-inhibit-logging t))
888 (elmo-imap4-send-command
891 (elmo-imap4-userid (elmo-network-session-user-internal session))
894 (elmo-get-passwd (elmo-network-session-password-key session))))))
895 (signal 'elmo-authenticate-error '(elmo-imap4-clear-login)))))
897 (defun elmo-imap4-auth-login (session)
898 (let ((tag (elmo-imap4-send-command session "authenticate login"))
899 (elmo-imap4-debug-inhibit-logging t))
900 (or (elmo-imap4-read-continue-req session)
901 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
902 (elmo-imap4-send-string session
903 (elmo-base64-encode-string
904 (elmo-network-session-user-internal session)))
905 (or (elmo-imap4-read-continue-req session)
906 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
907 (elmo-imap4-send-string session
908 (elmo-base64-encode-string
910 (elmo-network-session-password-key session))))
911 (or (elmo-imap4-read-ok session tag)
912 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
913 (setq elmo-imap4-status 'auth)))
916 elmo-network-initialize-session-buffer :after ((session
917 elmo-imap4-session) buffer)
918 (with-current-buffer buffer
919 (mapcar 'make-variable-buffer-local elmo-imap4-local-variables)
920 (setq elmo-imap4-seqno 0)
921 (setq elmo-imap4-status 'initial)))
923 (luna-define-method elmo-network-initialize-session ((session
925 (let ((process (elmo-network-session-process-internal session)))
926 (with-current-buffer (process-buffer process)
927 ;; Skip garbage output from process before greeting.
928 (while (and (memq (process-status process) '(open run))
929 (goto-char (point-max))
931 (not (elmo-imap4-parse-greeting)))
932 (accept-process-output process 1))
933 (set-process-filter process 'elmo-imap4-arrival-filter)
934 (set-process-sentinel process 'elmo-imap4-sentinel)
935 ;;; (while (and (memq (process-status process) '(open run))
936 ;;; (eq elmo-imap4-status 'initial))
937 ;;; (message "Waiting for server response...")
938 ;;; (accept-process-output process 1))
940 (unless (memq elmo-imap4-status '(nonauth auth))
941 (signal 'elmo-open-error
942 (list 'elmo-network-initialize-session)))
943 (elmo-imap4-session-set-capability-internal
945 (elmo-imap4-response-value
946 (elmo-imap4-send-command-wait session "capability")
948 (when (eq (elmo-network-stream-type-symbol
949 (elmo-network-session-stream-type-internal session))
952 (elmo-imap4-session-capability-internal session))
953 (signal 'elmo-open-error
954 '(elmo-imap4-starttls-error)))
955 (elmo-imap4-send-command-wait session "starttls")
956 (starttls-negotiate process)
957 (elmo-imap4-session-set-capability-internal
959 (elmo-imap4-response-value
960 (elmo-imap4-send-command-wait session "capability")
963 (luna-define-method elmo-network-authenticate-session ((session
965 (with-current-buffer (process-buffer
966 (elmo-network-session-process-internal session))
967 (let* ((auth (elmo-network-session-auth-internal session))
968 (auth (if (listp auth) auth (list auth))))
969 (unless (or (eq elmo-imap4-status 'auth)
972 ((eq 'clear (car auth))
973 (elmo-imap4-clear-login session))
974 ((eq 'login (car auth))
975 (elmo-imap4-auth-login session))
977 (let* ((elmo-imap4-debug-inhibit-logging t)
982 (if (string-match "^auth=\\(.*\\)$"
984 (match-string 1 (upcase (symbol-name cap)))))
985 (elmo-imap4-session-capability-internal session))))
989 (mapcar '(lambda (cap) (upcase (symbol-name cap)))
993 client name step response tag
994 sasl-read-passphrase)
996 (if (or elmo-imap4-force-login
999 "There's no %s capability in server. continue?"
1000 (elmo-list-to-string
1001 (elmo-network-session-auth-internal session)))))
1002 (setq mechanism (sasl-find-mechanism
1004 (signal 'elmo-authenticate-error
1005 '(elmo-imap4-auth-no-mechanisms))))
1009 (elmo-network-session-user-internal session)
1011 (elmo-network-session-server-internal session)))
1012 ;;; (if elmo-imap4-auth-user-realm
1013 ;;; (sasl-client-set-property client 'realm elmo-imap4-auth-user-realm))
1014 (setq name (sasl-mechanism-name mechanism)
1015 step (sasl-next-step client nil))
1016 (elmo-network-session-set-auth-internal
1018 (intern (downcase name)))
1019 (setq sasl-read-passphrase
1023 (elmo-network-session-password-key session)))))
1025 (elmo-imap4-send-command
1027 (concat "AUTHENTICATE " name
1028 (and (sasl-step-data step)
1031 (elmo-base64-encode-string
1032 (sasl-step-data step)
1037 (elmo-imap4-read-untagged
1038 (elmo-network-session-process-internal session)))
1039 (if (elmo-imap4-response-ok-p response)
1040 (if (sasl-next-step client step)
1042 (signal 'elmo-authenticate-error
1044 (concat "elmo-imap4-auth-"
1046 ;; The authentication process is finished.
1048 (unless (elmo-imap4-response-continue-req-p response)
1049 ;; response is NO or BAD.
1050 (signal 'elmo-authenticate-error
1052 (concat "elmo-imap4-auth-"
1053 (downcase name))))))
1056 (elmo-base64-decode-string
1057 (elmo-imap4-response-value response 'continue-req)))
1058 (setq step (sasl-next-step client step))
1060 (elmo-imap4-send-string
1062 (if (sasl-step-data step)
1063 (elmo-base64-encode-string (sasl-step-data step)
1067 (luna-define-method elmo-network-setup-session ((session
1068 elmo-imap4-session))
1069 (with-current-buffer (elmo-network-session-buffer session)
1070 (when (memq 'namespace (elmo-imap4-session-capability-internal session))
1071 (setq elmo-imap4-server-namespace
1072 (elmo-imap4-response-value
1073 (elmo-imap4-send-command-wait session "namespace")
1076 (defun elmo-imap4-setup-send-buffer (&optional string)
1077 (let ((send-buf (get-buffer-create " *elmo-imap4-setup-send-buffer*"))
1078 (source-buf (unless string (current-buffer))))
1081 (set-buffer send-buf)
1083 (elmo-set-buffer-multibyte nil)
1086 (with-current-buffer source-buf
1087 (copy-to-buffer send-buf (point-min) (point-max))))
1088 (goto-char (point-min))
1089 (if (eq (re-search-forward "^$" nil t)
1092 (goto-char (point-min))
1093 (while (search-forward "\n" nil t)
1094 (replace-match "\r\n"))))
1097 (defun elmo-imap4-setup-send-buffer-from-file (file)
1098 (let ((tmp-buf (get-buffer-create
1099 " *elmo-imap4-setup-send-buffer-from-file*")))
1102 (set-buffer tmp-buf)
1104 (as-binary-input-file
1105 (insert-file-contents file))
1106 (goto-char (point-min))
1107 (if (eq (re-search-forward "^$" nil t)
1110 (goto-char (point-min))
1111 (while (search-forward "\n" nil t)
1112 (replace-match "\r\n"))))
1115 (luna-define-method elmo-delete-message-safe ((folder elmo-imap4-folder)
1117 (let ((session (elmo-imap4-get-session folder))
1119 (elmo-imap4-session-select-mailbox
1121 (elmo-imap4-folder-mailbox-internal folder))
1123 (elmo-imap4-response-value
1124 (elmo-imap4-send-command-wait session
1126 (if elmo-imap4-use-uid
1127 "uid search header message-id "
1128 "search header message-id ")
1129 (elmo-imap4-field-body msgid)))
1131 (if (memq number candidates)
1132 (elmo-folder-delete-messages folder (list number)))))
1134 (defun elmo-imap4-server-diff-async-callback-1 (status data)
1135 (funcall elmo-imap4-server-diff-async-callback
1136 (list (elmo-imap4-response-value status 'recent)
1137 (elmo-imap4-response-value status 'unseen)
1138 (elmo-imap4-response-value status 'messages))
1141 (defun elmo-imap4-server-diff-async (folder)
1142 (let ((session (elmo-imap4-get-session folder)))
1143 ;; We should `check' folder to obtain newest information here.
1144 ;; But since there's no asynchronous check mechanism in elmo yet,
1145 ;; checking is not done here.
1146 (with-current-buffer (elmo-network-session-buffer session)
1147 (setq elmo-imap4-status-callback
1148 'elmo-imap4-server-diff-async-callback-1)
1149 (setq elmo-imap4-status-callback-data
1150 elmo-imap4-server-diff-async-callback-data))
1151 (elmo-imap4-send-command session
1155 (elmo-imap4-folder-mailbox-internal folder))
1156 " (recent unseen messages)"))))
1158 (luna-define-method elmo-server-diff-async ((folder elmo-imap4-folder))
1159 (let ((session (elmo-imap4-get-session folder)))
1161 ;; (elmo-imap4-commit spec)
1162 (with-current-buffer (elmo-network-session-buffer session)
1163 (setq elmo-imap4-status-callback
1164 'elmo-imap4-server-diff-async-callback-1)
1165 (setq elmo-imap4-status-callback-data
1166 elmo-imap4-server-diff-async-callback-data))
1167 (elmo-imap4-send-command session
1171 (elmo-imap4-folder-mailbox-internal folder))
1172 " (recent unseen messages)"))))
1176 (defvar elmo-imap4-server-eol "\r\n"
1177 "The EOL string sent from the server.")
1179 (defvar elmo-imap4-client-eol "\r\n"
1180 "The EOL string we send to the server.")
1182 (defvar elmo-imap4-display-literal-progress nil)
1184 (defun elmo-imap4-find-next-line ()
1185 "Return point at end of current line, taking into account literals.
1186 Return nil if no complete line has arrived."
1187 (when (re-search-forward (concat elmo-imap4-server-eol "\\|{\\([0-9]+\\)}"
1188 elmo-imap4-server-eol)
1190 (if (match-string 1)
1191 (if (< (point-max) (+ (point) (string-to-number (match-string 1))))
1193 (if (and elmo-imap4-display-literal-progress
1194 (> (string-to-number (match-string 1))
1195 (min elmo-display-retrieval-progress-threshold 100)))
1196 (elmo-display-progress
1197 'elmo-imap4-display-literal-progress
1198 (format "Retrieving (%d/%d bytes)..."
1199 (- (point-max) (point))
1200 (string-to-number (match-string 1)))
1201 (/ (- (point-max) (point))
1202 (/ (string-to-number (match-string 1)) 100))))
1204 (goto-char (+ (point) (string-to-number (match-string 1))))
1205 (elmo-imap4-find-next-line))
1208 (defun elmo-imap4-sentinel (process string)
1209 (delete-process process))
1211 (defun elmo-imap4-arrival-filter (proc string)
1212 "IMAP process filter."
1213 (when (buffer-live-p (process-buffer proc))
1214 (with-current-buffer (process-buffer proc)
1215 (elmo-imap4-debug "-> %s" string)
1216 (goto-char (point-max))
1219 (goto-char (point-min))
1220 (while (setq end (elmo-imap4-find-next-line))
1222 (narrow-to-region (point-min) end)
1223 (delete-backward-char (length elmo-imap4-server-eol))
1224 (goto-char (point-min))
1226 (cond ((eq elmo-imap4-status 'initial)
1227 (setq elmo-imap4-current-response
1229 (list 'greeting (elmo-imap4-parse-greeting)))))
1230 ((or (eq elmo-imap4-status 'auth)
1231 (eq elmo-imap4-status 'nonauth)
1232 (eq elmo-imap4-status 'selected)
1233 (eq elmo-imap4-status 'examine))
1234 (setq elmo-imap4-current-response
1236 (elmo-imap4-parse-response)
1237 elmo-imap4-current-response)))
1239 (message "Unknown state %s in arrival filter"
1240 elmo-imap4-status))))
1241 (delete-region (point-min) (point-max))))))))
1245 (defsubst elmo-imap4-forward ()
1246 (or (eobp) (forward-char 1)))
1248 (defsubst elmo-imap4-parse-number ()
1249 (when (looking-at "[0-9]+")
1251 (string-to-number (match-string 0))
1252 (goto-char (match-end 0)))))
1254 (defsubst elmo-imap4-parse-literal ()
1255 (when (looking-at "{\\([0-9]+\\)}\r\n")
1256 (let ((pos (match-end 0))
1257 (len (string-to-number (match-string 1))))
1258 (if (< (point-max) (+ pos len))
1260 (goto-char (+ pos len))
1261 (buffer-substring pos (+ pos len))))))
1262 ;;; (list ' pos (+ pos len))))))
1264 (defsubst elmo-imap4-parse-string ()
1265 (cond ((eq (char-after (point)) ?\")
1267 (let ((p (point)) (name ""))
1268 (skip-chars-forward "^\"\\\\")
1269 (setq name (buffer-substring p (point)))
1270 (while (eq (char-after (point)) ?\\)
1271 (setq p (1+ (point)))
1273 (skip-chars-forward "^\"\\\\")
1274 (setq name (concat name (buffer-substring p (point)))))
1277 ((eq (char-after (point)) ?{)
1278 (elmo-imap4-parse-literal))))
1280 (defsubst elmo-imap4-parse-nil ()
1281 (if (looking-at "NIL")
1282 (goto-char (match-end 0))))
1284 (defsubst elmo-imap4-parse-nstring ()
1285 (or (elmo-imap4-parse-string)
1286 (and (elmo-imap4-parse-nil)
1289 (defsubst elmo-imap4-parse-astring ()
1290 (or (elmo-imap4-parse-string)
1291 (buffer-substring (point)
1292 (if (re-search-forward "[(){ \r\n%*\"\\]" nil t)
1293 (goto-char (1- (match-end 0)))
1297 (defsubst elmo-imap4-parse-address ()
1299 (when (eq (char-after (point)) ?\()
1300 (elmo-imap4-forward)
1301 (setq address (vector (prog1 (elmo-imap4-parse-nstring)
1302 (elmo-imap4-forward))
1303 (prog1 (elmo-imap4-parse-nstring)
1304 (elmo-imap4-forward))
1305 (prog1 (elmo-imap4-parse-nstring)
1306 (elmo-imap4-forward))
1307 (elmo-imap4-parse-nstring)))
1308 (when (eq (char-after (point)) ?\))
1309 (elmo-imap4-forward)
1312 (defsubst elmo-imap4-parse-address-list ()
1313 (if (eq (char-after (point)) ?\()
1314 (let (address addresses)
1315 (elmo-imap4-forward)
1316 (while (and (not (eq (char-after (point)) ?\)))
1317 ;; next line for MS Exchange bug
1318 (progn (and (eq (char-after (point)) ? ) (elmo-imap4-forward)) t)
1319 (setq address (elmo-imap4-parse-address)))
1320 (setq addresses (cons address addresses)))
1321 (when (eq (char-after (point)) ?\))
1322 (elmo-imap4-forward)
1323 (nreverse addresses)))
1324 (assert (elmo-imap4-parse-nil))))
1326 (defsubst elmo-imap4-parse-mailbox ()
1327 (let ((mailbox (elmo-imap4-parse-astring)))
1328 (if (string-equal "INBOX" (upcase mailbox))
1332 (defun elmo-imap4-parse-greeting ()
1333 "Parse a IMAP greeting."
1334 (cond ((looking-at "\\* OK ")
1335 (setq elmo-imap4-status 'nonauth))
1336 ((looking-at "\\* PREAUTH ")
1337 (setq elmo-imap4-status 'auth))
1338 ((looking-at "\\* BYE ")
1339 (setq elmo-imap4-status 'closed))))
1341 (defun elmo-imap4-parse-response ()
1342 "Parse a IMAP command response."
1344 (case (setq token (read (current-buffer)))
1346 (skip-chars-forward " ")
1347 (list 'continue-req (buffer-substring (point) (point-max)))))
1348 (* (case (prog1 (setq token (read (current-buffer)))
1349 (elmo-imap4-forward))
1350 (OK (elmo-imap4-parse-resp-text-code))
1351 (NO (elmo-imap4-parse-resp-text-code))
1352 (BAD (elmo-imap4-parse-resp-text-code))
1353 (BYE (elmo-imap4-parse-bye))
1355 (elmo-imap4-parse-flag-list)))
1356 (LIST (list 'list (elmo-imap4-parse-data-list)))
1357 (LSUB (list 'lsub (elmo-imap4-parse-data-list)))
1361 (buffer-substring (point) (point-max))
1363 (STATUS (elmo-imap4-parse-status))
1365 (NAMESPACE (elmo-imap4-parse-namespace))
1366 (CAPABILITY (list 'capability
1368 (concat "(" (downcase (buffer-substring
1369 (point) (point-max)))
1371 (ACL (elmo-imap4-parse-acl))
1372 (t (case (prog1 (read (current-buffer))
1373 (elmo-imap4-forward))
1374 (EXISTS (list 'exists token))
1375 (RECENT (list 'recent token))
1376 (EXPUNGE (list 'expunge token))
1377 (FETCH (elmo-imap4-parse-fetch token))
1378 (t (list 'garbage (buffer-string)))))))
1379 (t (if (not (string-match elmo-imap4-seq-prefix (symbol-name token)))
1380 (list 'garbage (buffer-string))
1381 (case (prog1 (read (current-buffer))
1382 (elmo-imap4-forward))
1384 (setq elmo-imap4-parsing nil)
1385 (setq token (symbol-name token))
1386 (elmo-unintern token)
1387 (elmo-imap4-debug "*%s* OK arrived" token)
1388 (setq elmo-imap4-reached-tag token)
1389 (list 'ok (elmo-imap4-parse-resp-text-code))))
1391 (setq elmo-imap4-parsing nil)
1392 (setq token (symbol-name token))
1393 (elmo-unintern token)
1394 (elmo-imap4-debug "*%s* NO arrived" token)
1395 (setq elmo-imap4-reached-tag token)
1397 (when (eq (char-after (point)) ?\[)
1398 (setq code (buffer-substring (point)
1399 (search-forward "]")))
1400 (elmo-imap4-forward))
1401 (setq text (buffer-substring (point) (point-max)))
1402 (list 'no (list code text)))))
1404 (setq elmo-imap4-parsing nil)
1405 (elmo-imap4-debug "*%s* BAD arrived" token)
1406 (setq token (symbol-name token))
1407 (elmo-unintern token)
1408 (setq elmo-imap4-reached-tag token)
1410 (when (eq (char-after (point)) ?\[)
1411 (setq code (buffer-substring (point)
1412 (search-forward "]")))
1413 (elmo-imap4-forward))
1414 (setq text (buffer-substring (point) (point-max)))
1415 (list 'bad (list code text)))))
1416 (t (list 'garbage (buffer-string)))))))))
1418 (defun elmo-imap4-parse-bye ()
1420 (when (eq (char-after (point)) ?\[)
1421 (setq code (buffer-substring (point)
1422 (search-forward "]")))
1423 (elmo-imap4-forward))
1424 (setq text (buffer-substring (point) (point-max)))
1425 (list 'bye (list code text))))
1427 (defun elmo-imap4-parse-text ()
1428 (goto-char (point-min))
1429 (when (search-forward "[" nil t)
1430 (search-forward "]")
1431 (elmo-imap4-forward))
1432 (list 'text (buffer-substring (point) (point-max))))
1434 (defun elmo-imap4-parse-resp-text-code ()
1435 (when (eq (char-after (point)) ?\[)
1436 (elmo-imap4-forward)
1437 (cond ((search-forward "PERMANENTFLAGS " nil t)
1438 (list 'permanentflags (elmo-imap4-parse-flag-list)))
1439 ((search-forward "UIDNEXT " nil t)
1440 (list 'uidnext (read (current-buffer))))
1441 ((search-forward "UNSEEN " nil t)
1442 (list 'unseen (read (current-buffer))))
1443 ((looking-at "UIDVALIDITY \\([0-9]+\\)")
1444 (list 'uidvalidity (match-string 1)))
1445 ((search-forward "READ-ONLY" nil t)
1446 (list 'read-only t))
1447 ((search-forward "READ-WRITE" nil t)
1448 (list 'read-write t))
1449 ((search-forward "NEWNAME " nil t)
1450 (let (oldname newname)
1451 (setq oldname (elmo-imap4-parse-string))
1452 (elmo-imap4-forward)
1453 (setq newname (elmo-imap4-parse-string))
1454 (list 'newname newname oldname)))
1455 ((search-forward "TRYCREATE" nil t)
1456 (list 'trycreate t))
1457 ((looking-at "APPENDUID \\([0-9]+\\) \\([0-9]+\\)")
1459 (list (match-string 1)
1460 (string-to-number (match-string 2)))))
1461 ((looking-at "COPYUID \\([0-9]+\\) \\([0-9,:]+\\) \\([0-9,:]+\\)")
1462 (list 'copyuid (list (match-string 1)
1465 ((search-forward "ALERT] " nil t)
1466 (message "IMAP server information: %s"
1467 (buffer-substring (point) (point-max))))
1468 (t (list 'unknown)))))
1470 (defun elmo-imap4-parse-data-list ()
1471 (let (flags delimiter mailbox)
1472 (setq flags (elmo-imap4-parse-flag-list))
1473 (when (looking-at " NIL\\| \"\\\\?\\(.\\)\"")
1474 (setq delimiter (match-string 1))
1475 (goto-char (1+ (match-end 0)))
1476 (when (setq mailbox (elmo-imap4-parse-mailbox))
1477 (list mailbox flags delimiter)))))
1479 (defsubst elmo-imap4-parse-header-list ()
1480 (when (eq (char-after (point)) ?\()
1482 (while (not (eq (char-after (point)) ?\)))
1483 (elmo-imap4-forward)
1484 (push (elmo-imap4-parse-astring) strlist))
1485 (elmo-imap4-forward)
1486 (nreverse strlist))))
1488 (defsubst elmo-imap4-parse-fetch-body-section ()
1490 (buffer-substring (point)
1492 (progn (re-search-forward "[] ]" nil t)
1494 (if (eq (char-before) ? )
1496 (mapconcat 'identity
1497 (cons section (elmo-imap4-parse-header-list)) " ")
1498 (search-forward "]" nil t))
1501 (defun elmo-imap4-parse-fetch (response)
1502 (when (eq (char-after (point)) ?\()
1504 (while (not (eq (char-after (point)) ?\)))
1505 (elmo-imap4-forward)
1506 (let ((token (read (current-buffer))))
1507 (elmo-imap4-forward)
1509 (cond ((eq token 'UID)
1510 (list 'uid (condition-case nil
1511 (read (current-buffer))
1514 (list 'flags (elmo-imap4-parse-flag-list)))
1515 ((eq token 'ENVELOPE)
1516 (list 'envelope (elmo-imap4-parse-envelope)))
1517 ((eq token 'INTERNALDATE)
1518 (list 'internaldate (elmo-imap4-parse-string)))
1520 (list 'rfc822 (elmo-imap4-parse-nstring)))
1521 ((eq token (intern elmo-imap4-rfc822-header))
1522 (list 'rfc822header (elmo-imap4-parse-nstring)))
1523 ((eq token (intern elmo-imap4-rfc822-text))
1524 (list 'rfc822text (elmo-imap4-parse-nstring)))
1525 ((eq token (intern elmo-imap4-rfc822-size))
1526 (list 'rfc822size (read (current-buffer))))
1528 (if (eq (char-before) ?\[)
1531 (upcase (elmo-imap4-parse-fetch-body-section))
1533 (eq (char-after (point)) ?<)
1534 (buffer-substring (1+ (point))
1536 (search-forward ">" nil t)
1538 (progn (elmo-imap4-forward)
1539 (elmo-imap4-parse-nstring)))
1540 (list 'body (elmo-imap4-parse-body))))
1541 ((eq token 'BODYSTRUCTURE)
1542 (list 'bodystructure (elmo-imap4-parse-body)))))
1543 (setq list (cons element list))))
1544 (and elmo-imap4-fetch-callback
1545 (funcall elmo-imap4-fetch-callback
1546 list elmo-imap4-fetch-callback-data))
1547 (list 'fetch list))))
1549 (defun elmo-imap4-parse-status ()
1550 (let ((mailbox (elmo-imap4-parse-mailbox))
1552 (when (and mailbox (search-forward "(" nil t))
1553 (while (not (eq (char-after (point)) ?\)))
1556 (let ((token (read (current-buffer))))
1557 (cond ((eq token 'MESSAGES)
1558 (list 'messages (read (current-buffer))))
1560 (list 'recent (read (current-buffer))))
1561 ((eq token 'UIDNEXT)
1562 (list 'uidnext (read (current-buffer))))
1563 ((eq token 'UIDVALIDITY)
1564 (and (looking-at " \\([0-9]+\\)")
1565 (prog1 (list 'uidvalidity (match-string 1))
1566 (goto-char (match-end 1)))))
1568 (list 'unseen (read (current-buffer))))
1571 "Unknown status data %s in mailbox %s ignored"
1574 (skip-chars-forward " ")))
1575 (and elmo-imap4-status-callback
1576 (funcall elmo-imap4-status-callback
1578 elmo-imap4-status-callback-data))
1579 (list 'status status)))
1582 (defmacro elmo-imap4-value (value)
1583 (` (if (eq (, value) 'NIL) nil
1586 (defmacro elmo-imap4-nth (pos list)
1587 (` (let ((value (nth (, pos) (, list))))
1588 (elmo-imap4-value value))))
1590 (defun elmo-imap4-parse-namespace ()
1593 (copy-sequence elmo-imap4-extra-namespace-alist)
1594 (elmo-imap4-parse-namespace-subr
1595 (read (concat "(" (buffer-substring
1596 (point) (point-max))
1599 (defun elmo-imap4-parse-namespace-subr (ns)
1600 (let (prefix delim namespace-alist default-delim)
1601 ;; 0: personal, 1: other, 2: shared
1603 (setq namespace-alist
1604 (nconc namespace-alist
1608 (setq prefix (elmo-imap4-nth 0 namespace)
1609 delim (elmo-imap4-nth 1 namespace))
1610 (if (and prefix delim
1612 (concat (regexp-quote delim) "\\'")
1614 (setq prefix (substring prefix 0
1615 (match-beginning 0))))
1616 (if (eq (length prefix) 0)
1617 (progn (setq default-delim delim) nil)
1620 (if (string= (downcase prefix) "inbox")
1621 "[Ii][Nn][Bb][Oo][Xx]"
1622 (regexp-quote prefix))
1625 (elmo-imap4-nth i ns))))))
1627 (setq namespace-alist
1628 (nconc namespace-alist
1629 (list (cons "^.*$" default-delim)))))
1632 (defun elmo-imap4-parse-acl ()
1633 (let ((mailbox (elmo-imap4-parse-mailbox))
1634 identifier rights acl)
1635 (while (eq (char-after (point)) ?\ )
1636 (elmo-imap4-forward)
1637 (setq identifier (elmo-imap4-parse-astring))
1638 (elmo-imap4-forward)
1639 (setq rights (elmo-imap4-parse-astring))
1640 (setq acl (append acl (list (cons identifier rights)))))
1641 (list 'acl acl mailbox)))
1643 (defun elmo-imap4-parse-flag-list ()
1644 (let ((str (buffer-substring (+ (point) 1)
1645 (progn (search-forward ")" nil t)
1647 (unless (eq (length str) 0)
1648 (split-string str))))
1650 (defun elmo-imap4-parse-envelope ()
1651 (when (eq (char-after (point)) ?\()
1652 (elmo-imap4-forward)
1653 (vector (prog1 (elmo-imap4-parse-nstring);; date
1654 (elmo-imap4-forward))
1655 (prog1 (elmo-imap4-parse-nstring);; subject
1656 (elmo-imap4-forward))
1657 (prog1 (elmo-imap4-parse-address-list);; from
1658 (elmo-imap4-forward))
1659 (prog1 (elmo-imap4-parse-address-list);; sender
1660 (elmo-imap4-forward))
1661 (prog1 (elmo-imap4-parse-address-list);; reply-to
1662 (elmo-imap4-forward))
1663 (prog1 (elmo-imap4-parse-address-list);; to
1664 (elmo-imap4-forward))
1665 (prog1 (elmo-imap4-parse-address-list);; cc
1666 (elmo-imap4-forward))
1667 (prog1 (elmo-imap4-parse-address-list);; bcc
1668 (elmo-imap4-forward))
1669 (prog1 (elmo-imap4-parse-nstring);; in-reply-to
1670 (elmo-imap4-forward))
1671 (prog1 (elmo-imap4-parse-nstring);; message-id
1672 (elmo-imap4-forward)))))
1674 (defsubst elmo-imap4-parse-string-list ()
1675 (cond ((eq (char-after (point)) ?\();; body-fld-param
1677 (elmo-imap4-forward)
1678 (while (setq str (elmo-imap4-parse-string))
1680 (elmo-imap4-forward))
1681 (nreverse strlist)))
1682 ((elmo-imap4-parse-nil)
1685 (defun elmo-imap4-parse-body-extension ()
1686 (if (eq (char-after (point)) ?\()
1688 (elmo-imap4-forward)
1689 (push (elmo-imap4-parse-body-extension) b-e)
1690 (while (eq (char-after (point)) ?\ )
1691 (elmo-imap4-forward)
1692 (push (elmo-imap4-parse-body-extension) b-e))
1693 (assert (eq (char-after (point)) ?\)))
1694 (elmo-imap4-forward)
1696 (or (elmo-imap4-parse-number)
1697 (elmo-imap4-parse-nstring))))
1699 (defsubst elmo-imap4-parse-body-ext ()
1701 (when (eq (char-after (point)) ?\ );; body-fld-dsp
1702 (elmo-imap4-forward)
1704 (if (eq (char-after (point)) ?\()
1706 (elmo-imap4-forward)
1707 (push (elmo-imap4-parse-string) dsp)
1708 (elmo-imap4-forward)
1709 (push (elmo-imap4-parse-string-list) dsp)
1710 (elmo-imap4-forward))
1711 (assert (elmo-imap4-parse-nil)))
1712 (push (nreverse dsp) ext))
1713 (when (eq (char-after (point)) ?\ );; body-fld-lang
1714 (elmo-imap4-forward)
1715 (if (eq (char-after (point)) ?\()
1716 (push (elmo-imap4-parse-string-list) ext)
1717 (push (elmo-imap4-parse-nstring) ext))
1718 (while (eq (char-after (point)) ?\ );; body-extension
1719 (elmo-imap4-forward)
1720 (setq ext (append (elmo-imap4-parse-body-extension) ext)))))
1723 (defun elmo-imap4-parse-body ()
1725 (when (eq (char-after (point)) ?\()
1726 (elmo-imap4-forward)
1727 (if (eq (char-after (point)) ?\()
1729 (while (and (eq (char-after (point)) ?\()
1730 (setq subbody (elmo-imap4-parse-body)))
1731 (push subbody body))
1732 (elmo-imap4-forward)
1733 (push (elmo-imap4-parse-string) body);; media-subtype
1734 (when (eq (char-after (point)) ?\ );; body-ext-mpart:
1735 (elmo-imap4-forward)
1736 (if (eq (char-after (point)) ?\();; body-fld-param
1737 (push (elmo-imap4-parse-string-list) body)
1738 (push (and (elmo-imap4-parse-nil) nil) body))
1740 (append (elmo-imap4-parse-body-ext) body)));; body-ext-...
1741 (assert (eq (char-after (point)) ?\)))
1742 (elmo-imap4-forward)
1745 (push (elmo-imap4-parse-string) body);; media-type
1746 (elmo-imap4-forward)
1747 (push (elmo-imap4-parse-string) body);; media-subtype
1748 (elmo-imap4-forward)
1749 ;; next line for Sun SIMS bug
1750 (and (eq (char-after (point)) ? ) (elmo-imap4-forward))
1751 (if (eq (char-after (point)) ?\();; body-fld-param
1752 (push (elmo-imap4-parse-string-list) body)
1753 (push (and (elmo-imap4-parse-nil) nil) body))
1754 (elmo-imap4-forward)
1755 (push (elmo-imap4-parse-nstring) body);; body-fld-id
1756 (elmo-imap4-forward)
1757 (push (elmo-imap4-parse-nstring) body);; body-fld-desc
1758 (elmo-imap4-forward)
1759 (push (elmo-imap4-parse-string) body);; body-fld-enc
1760 (elmo-imap4-forward)
1761 (push (elmo-imap4-parse-number) body);; body-fld-octets
1763 ;; ok, we're done parsing the required parts, what comes now is one
1766 ;; envelope (then we're parsing body-type-msg)
1767 ;; body-fld-lines (then we're parsing body-type-text)
1768 ;; body-ext-1part (then we're parsing body-type-basic)
1770 ;; the problem is that the two first are in turn optionally followed
1771 ;; by the third. So we parse the first two here (if there are any)...
1773 (when (eq (char-after (point)) ?\ )
1774 (elmo-imap4-forward)
1776 (cond ((eq (char-after (point)) ?\();; body-type-msg:
1777 (push (elmo-imap4-parse-envelope) body);; envelope
1778 (elmo-imap4-forward)
1779 (push (elmo-imap4-parse-body) body);; body
1780 (elmo-imap4-forward)
1781 (push (elmo-imap4-parse-number) body));; body-fld-lines
1782 ((setq lines (elmo-imap4-parse-number));; body-type-text:
1783 (push lines body));; body-fld-lines
1785 (backward-char)))));; no match...
1787 ;; ...and then parse the third one here...
1789 (when (eq (char-after (point)) ?\ );; body-ext-1part:
1790 (elmo-imap4-forward)
1791 (push (elmo-imap4-parse-nstring) body);; body-fld-md5
1793 (append (elmo-imap4-parse-body-ext) body)));; body-ext-1part..
1795 (assert (eq (char-after (point)) ?\)))
1796 (elmo-imap4-forward)
1799 (luna-define-method elmo-folder-initialize :around ((folder
1802 (let ((default-user elmo-imap4-default-user)
1803 (default-server elmo-imap4-default-server)
1804 (default-port elmo-imap4-default-port)
1805 (elmo-network-stream-type-alist
1806 (if elmo-imap4-stream-type-alist
1807 (append elmo-imap4-stream-type-alist
1808 elmo-network-stream-type-alist)
1809 elmo-network-stream-type-alist))
1811 (when (string-match "\\(.*\\)@\\(.*\\)" default-server)
1812 ;; case: imap4-default-server is specified like
1813 ;; "hoge%imap.server@gateway".
1814 (setq default-user (elmo-match-string 1 default-server))
1815 (setq default-server (elmo-match-string 2 default-server)))
1816 (setq name (luna-call-next-method))
1818 (setq parse (elmo-parse-token name ":"))
1819 (elmo-imap4-folder-set-mailbox-internal folder
1820 (elmo-imap4-encode-folder-string
1823 (setq parse (elmo-parse-prefixed-element ?: (cdr parse) "/"))
1824 (elmo-net-folder-set-user-internal folder
1825 (if (eq (length (car parse)) 0)
1829 (setq parse (elmo-parse-prefixed-element ?/ (cdr parse)))
1830 (elmo-net-folder-set-auth-internal
1832 (if (eq (length (car parse)) 0)
1833 (or elmo-imap4-default-authenticate-type 'clear)
1834 (intern (car parse))))
1835 (unless (elmo-net-folder-server-internal folder)
1836 (elmo-net-folder-set-server-internal folder default-server))
1837 (unless (elmo-net-folder-port-internal folder)
1838 (elmo-net-folder-set-port-internal folder default-port))
1839 (unless (elmo-net-folder-stream-type-internal folder)
1840 (elmo-net-folder-set-stream-type-internal
1842 (elmo-get-network-stream-type elmo-imap4-default-stream-type)))
1845 ;;; ELMO IMAP4 folder
1846 (luna-define-method elmo-folder-expand-msgdb-path ((folder
1848 (convert-standard-filename
1849 (let ((mailbox (elmo-imap4-folder-mailbox-internal folder)))
1850 (if (string= "inbox" (downcase mailbox))
1851 (setq mailbox "inbox"))
1852 (if (eq (string-to-char mailbox) ?/)
1853 (setq mailbox (substring mailbox 1 (length mailbox))))
1854 ;; don't use expand-file-name (e.g. %~/something)
1857 (or (elmo-net-folder-user-internal folder) "nobody")
1858 (expand-file-name (or (elmo-net-folder-server-internal folder)
1862 elmo-msgdb-directory)))
1865 (luna-define-method elmo-folder-status-plugged ((folder
1867 (elmo-imap4-folder-status-plugged folder))
1869 (defun elmo-imap4-folder-status-plugged (folder)
1870 (let ((session (elmo-imap4-get-session folder))
1871 (killed (elmo-msgdb-killed-list-load
1872 (elmo-folder-msgdb-path folder)))
1874 (with-current-buffer (elmo-network-session-buffer session)
1875 (setq elmo-imap4-status-callback nil)
1876 (setq elmo-imap4-status-callback-data nil))
1877 (setq status (elmo-imap4-response-value
1878 (elmo-imap4-send-command-wait
1882 (elmo-imap4-folder-mailbox-internal folder))
1883 " (uidnext messages)"))
1886 (- (elmo-imap4-response-value status 'uidnext) 1)
1889 (elmo-imap4-response-value status 'messages)
1890 (elmo-msgdb-killed-list-length killed))
1891 (elmo-imap4-response-value status 'messages)))))
1893 (luna-define-method elmo-folder-list-messages-plugged ((folder
1897 (elmo-imap4-list folder
1899 (elmo-folder-killed-list-internal
1902 (eq (length killed) 1)
1903 (consp (car killed))
1904 (eq (car (car killed)) 1))
1905 (format "uid %d:*" (cdr (car killed)))
1908 (luna-define-method elmo-folder-list-flagged-unplugged
1909 ((folder elmo-imap4-folder) flag)
1910 (elmo-imap4-folder-list-flagged folder flag))
1912 (luna-define-method elmo-folder-use-flag-p ((folder elmo-imap4-folder))
1913 (not (string-match elmo-imap4-disuse-server-flag-mailbox-regexp
1914 (elmo-imap4-folder-mailbox-internal folder))))
1916 (luna-define-method elmo-folder-list-subfolders ((folder elmo-imap4-folder)
1917 &optional one-level)
1918 (let* ((root (elmo-imap4-folder-mailbox-internal folder))
1919 (session (elmo-imap4-get-session folder))
1920 (prefix (elmo-folder-prefix-internal folder))
1922 (elmo-string-matched-assoc
1924 (with-current-buffer (elmo-network-session-buffer session)
1925 elmo-imap4-server-namespace)))
1926 (delim (or (cdr namespace-assoc)
1927 elmo-imap4-default-hierarchy-delimiter))
1928 ;; Append delimiter when root with namespace.
1929 (root (if (and namespace-assoc
1931 (string= (substring root (match-end 1))
1935 result append-serv type)
1936 (setq result (elmo-imap4-response-get-selectable-mailbox-list
1937 (elmo-imap4-send-command-wait
1939 (list "list " (elmo-imap4-mailbox root) " *"))))
1940 (when (or (not (string= (elmo-net-folder-user-internal folder)
1941 elmo-imap4-default-user))
1942 (not (eq (elmo-net-folder-auth-internal folder)
1943 (or elmo-imap4-default-authenticate-type 'clear))))
1944 (setq append-serv (concat ":" (elmo-net-folder-user-internal folder))))
1945 (unless (eq (elmo-net-folder-auth-internal folder)
1946 (or elmo-imap4-default-authenticate-type 'clear))
1948 (concat append-serv "/"
1949 (symbol-name (elmo-net-folder-auth-internal folder)))))
1950 (unless (string= (elmo-net-folder-server-internal folder)
1951 elmo-imap4-default-server)
1952 (setq append-serv (concat append-serv "@"
1953 (elmo-net-folder-server-internal folder))))
1954 (unless (eq (elmo-net-folder-port-internal folder) elmo-imap4-default-port)
1955 (setq append-serv (concat append-serv ":"
1957 (elmo-net-folder-port-internal folder)))))
1958 (setq type (elmo-net-folder-stream-type-internal folder))
1959 (unless (eq (elmo-network-stream-type-symbol type)
1960 elmo-imap4-default-stream-type)
1962 (setq append-serv (concat append-serv
1963 (elmo-network-stream-type-spec-string
1966 (let ((re-delim (regexp-quote delim))
1967 (case-fold-search nil)
1968 folder ret has-child-p)
1971 (not (string= root ""))
1973 (concat "\\(.*\\)" re-delim "\\'")
1975 (setq root (concat root delim)))
1976 (while (setq folder (car result))
1978 (concat "^\\(" (regexp-quote root) "[^" re-delim "]" "+\\)"
1981 (setq folder (match-string 1 folder)))
1982 (setq has-child-p nil
1985 (mapcar (lambda (fld)
1987 (concat "^" (regexp-quote folder)
1988 "\\(" re-delim "\\|\\'\\)")
1990 (progn (setq has-child-p t) nil)
1993 folder (concat prefix
1994 (elmo-imap4-decode-folder-string folder)
1996 (eval append-serv)))
1997 ret (append ret (if has-child-p
1998 (list (list folder))
2001 (mapcar (lambda (fld)
2002 (concat prefix (elmo-imap4-decode-folder-string fld)
2004 (eval append-serv))))
2007 (luna-define-method elmo-folder-exists-p-plugged ((folder elmo-imap4-folder))
2008 (let ((session (elmo-imap4-get-session folder)))
2010 (elmo-imap4-session-current-mailbox-internal session)
2011 (elmo-imap4-folder-mailbox-internal folder))
2013 (elmo-imap4-session-select-mailbox
2015 (elmo-imap4-folder-mailbox-internal folder)
2016 'force 'notify-bye))))
2018 (luna-define-method elmo-folder-creatable-p ((folder elmo-imap4-folder))
2021 (luna-define-method elmo-folder-writable-p ((folder elmo-imap4-folder))
2024 (luna-define-method elmo-folder-delete ((folder elmo-imap4-folder))
2025 (let ((msgs (and (elmo-folder-exists-p folder)
2026 (elmo-folder-list-messages folder))))
2027 (when (yes-or-no-p (format "%sDelete msgdb and substance of \"%s\"? "
2028 (if (> (length msgs) 0)
2029 (format "%d msg(s) exists. " (length msgs))
2031 (elmo-folder-name-internal folder)))
2032 (let ((session (elmo-imap4-get-session folder)))
2033 (when (elmo-imap4-folder-mailbox-internal folder)
2034 (when msgs (elmo-folder-delete-messages folder msgs))
2035 (elmo-imap4-send-command-wait session "close")
2036 (elmo-imap4-send-command-wait
2040 (elmo-imap4-folder-mailbox-internal folder))))))
2041 (elmo-msgdb-delete-path folder)
2044 (luna-define-method elmo-folder-rename-internal ((folder elmo-imap4-folder)
2046 (let ((session (elmo-imap4-get-session folder)))
2047 ;; make sure the folder is selected.
2048 (elmo-imap4-session-select-mailbox session
2049 (elmo-imap4-folder-mailbox-internal
2051 (elmo-imap4-send-command-wait session "close")
2052 (elmo-imap4-send-command-wait
2056 (elmo-imap4-folder-mailbox-internal folder))
2059 (elmo-imap4-folder-mailbox-internal new-folder))))
2060 (elmo-imap4-session-set-current-mailbox-internal
2061 session (elmo-imap4-folder-mailbox-internal new-folder))))
2063 (defun elmo-imap4-copy-messages (src-folder dst-folder numbers)
2064 (let ((session (elmo-imap4-get-session src-folder))
2065 (set-list (elmo-imap4-make-number-set-list
2067 elmo-imap4-number-set-chop-length))
2069 (elmo-imap4-session-select-mailbox session
2070 (elmo-imap4-folder-mailbox-internal
2073 (if (elmo-imap4-send-command-wait session
2076 (if elmo-imap4-use-uid
2079 (cdr (car set-list)))
2081 (elmo-imap4-folder-mailbox-internal
2083 (setq succeeds (append succeeds numbers)))
2084 (setq set-list (cdr set-list)))
2087 (defun elmo-imap4-set-flag (folder numbers flag &optional remove)
2088 "Set flag on messages.
2089 FOLDER is the ELMO folder structure.
2090 NUMBERS is the message numbers to be flagged.
2091 FLAG is the flag name.
2092 If optional argument REMOVE is non-nil, remove FLAG."
2093 (let ((session (elmo-imap4-get-session folder))
2095 (elmo-imap4-session-select-mailbox session
2096 (elmo-imap4-folder-mailbox-internal
2098 (when (or (elmo-string-member-ignore-case
2100 (elmo-imap4-session-flags-internal session))
2101 (string= flag "\\Deleted")) ; XXX Humm..
2102 (setq set-list (elmo-imap4-make-number-set-list
2104 elmo-imap4-number-set-chop-length))
2106 (with-current-buffer (elmo-network-session-buffer session)
2107 (setq elmo-imap4-fetch-callback nil)
2108 (setq elmo-imap4-fetch-callback-data nil))
2109 (unless (elmo-imap4-response-ok-p
2110 (elmo-imap4-send-command-wait
2113 (if elmo-imap4-use-uid
2114 "uid store %s %sflags.silent (%s)"
2115 "store %s %sflags.silent (%s)")
2116 (cdr (car set-list))
2119 (setq response 'fail))
2120 (setq set-list (cdr set-list)))
2121 (not (eq response 'fail)))))
2123 (luna-define-method elmo-folder-delete-messages-plugged
2124 ((folder elmo-imap4-folder) numbers)
2125 (let ((session (elmo-imap4-get-session folder)))
2126 (elmo-imap4-session-select-mailbox
2128 (elmo-imap4-folder-mailbox-internal folder))
2129 (unless (elmo-imap4-set-flag folder numbers "\\Deleted")
2130 (error "Failed to set deleted flag"))
2131 (elmo-imap4-send-command session "expunge")))
2133 (defmacro elmo-imap4-detect-search-charset (string)
2134 (` (with-temp-buffer
2136 (detect-mime-charset-region (point-min) (point-max)))))
2138 (defun elmo-imap4-search-internal-primitive (folder session filter from-msgs)
2139 (let ((search-key (elmo-filter-key filter))
2140 (imap-search-keys '("bcc" "body" "cc" "from" "subject" "to"
2141 "larger" "smaller" "flag"))
2143 (length (length from-msgs))
2144 charset set-list end results)
2145 (message "Searching...")
2147 ((string= "last" search-key)
2148 (let ((numbers (or from-msgs (elmo-folder-list-messages folder))))
2149 (nthcdr (max (- (length numbers)
2150 (string-to-int (elmo-filter-value filter)))
2153 ((string= "first" search-key)
2154 (let* ((numbers (or from-msgs (elmo-folder-list-messages folder)))
2155 (rest (nthcdr (string-to-int (elmo-filter-value filter) )
2157 (mapcar '(lambda (x) (delete x numbers)) rest)
2159 ((string= "flag" search-key)
2160 (elmo-imap4-folder-list-flagged
2161 folder (intern (elmo-filter-value filter))))
2162 ((or (string= "since" search-key)
2163 (string= "before" search-key))
2164 (setq search-key (concat "sent" search-key)
2165 set-list (elmo-imap4-make-number-set-list
2167 elmo-imap4-number-set-chop-length)
2173 (elmo-imap4-response-value
2174 (elmo-imap4-send-command-wait
2177 (if elmo-imap4-use-uid
2178 "uid search %s%s%s %s"
2182 (if elmo-imap4-use-uid "uid ")
2183 (cdr (car set-list))
2186 (if (eq (elmo-filter-type filter)
2190 (elmo-date-get-description
2191 (elmo-date-get-datevec
2192 (elmo-filter-value filter)))))
2194 (when (> length elmo-display-progress-threshold)
2195 (setq total (+ total (car (car set-list))))
2196 (elmo-display-progress
2197 'elmo-imap4-search "Searching..."
2198 (/ (* total 100) length)))
2199 (setq set-list (cdr set-list)
2200 end (null set-list)))
2204 (if (eq (length (elmo-filter-value filter)) 0)
2205 (setq charset 'us-ascii)
2206 (elmo-imap4-detect-search-charset
2207 (elmo-filter-value filter)))
2208 set-list (elmo-imap4-make-number-set-list
2210 elmo-imap4-number-set-chop-length)
2216 (elmo-imap4-response-value
2217 (elmo-imap4-send-command-wait
2220 (if elmo-imap4-use-uid "uid ")
2224 (symbol-name charset))
2228 (if elmo-imap4-use-uid "uid ")
2229 (cdr (car set-list))
2232 (if (eq (elmo-filter-type filter)
2237 (elmo-filter-key filter)
2241 (elmo-filter-key filter))
2243 (encode-mime-charset-string
2244 (elmo-filter-value filter) charset))))
2246 (when (> length elmo-display-progress-threshold)
2247 (setq total (+ total (car (car set-list))))
2248 (elmo-display-progress
2249 'elmo-imap4-search "Searching..."
2250 (/ (* total 100) length)))
2251 (setq set-list (cdr set-list)
2252 end (null set-list)))
2255 (defun elmo-imap4-search-internal (folder session condition from-msgs)
2258 ((vectorp condition)
2259 (setq result (elmo-imap4-search-internal-primitive
2260 folder session condition from-msgs)))
2261 ((eq (car condition) 'and)
2262 (setq result (elmo-imap4-search-internal folder session (nth 1 condition)
2264 result (elmo-list-filter result
2265 (elmo-imap4-search-internal
2266 folder session (nth 2 condition)
2268 ((eq (car condition) 'or)
2269 (setq result (elmo-imap4-search-internal
2270 folder session (nth 1 condition) from-msgs)
2271 result (elmo-uniq-list
2273 (elmo-imap4-search-internal
2274 folder session (nth 2 condition) from-msgs)))
2275 result (sort result '<))))))
2277 (luna-define-method elmo-folder-search :around ((folder elmo-imap4-folder)
2278 condition &optional numbers)
2279 (if (elmo-folder-plugged-p folder)
2281 (let ((session (elmo-imap4-get-session folder)))
2282 (elmo-imap4-session-select-mailbox
2284 (elmo-imap4-folder-mailbox-internal folder))
2285 (elmo-imap4-search-internal folder session condition numbers)))
2286 (luna-call-next-method)))
2288 (luna-define-method elmo-folder-msgdb-create-plugged
2289 ((folder elmo-imap4-folder) numbers flag-table)
2291 (let ((session (elmo-imap4-get-session folder))
2294 '("Subject" "From" "To" "Cc" "Date"
2295 "Message-Id" "References" "In-Reply-To")
2296 elmo-msgdb-extra-fields))
2298 (length (length numbers))
2299 print-length print-depth
2301 (setq rfc2060 (memq 'imap4rev1
2302 (elmo-imap4-session-capability-internal
2304 (message "Getting overview...")
2305 (elmo-imap4-session-select-mailbox
2306 session (elmo-imap4-folder-mailbox-internal folder))
2307 (setq set-list (elmo-imap4-make-number-set-list
2309 elmo-imap4-overview-fetch-chop-length))
2311 (with-current-buffer (elmo-network-session-buffer session)
2312 (setq elmo-imap4-current-msgdb (elmo-make-msgdb)
2313 elmo-imap4-seen-messages nil
2314 elmo-imap4-fetch-callback 'elmo-imap4-fetch-callback-1
2315 elmo-imap4-fetch-callback-data (cons flag-table folder))
2317 (elmo-imap4-send-command-wait
2319 ;; get overview entity from IMAP4
2320 (format "%sfetch %s (%s rfc822.size flags)"
2321 (if elmo-imap4-use-uid "uid " "")
2322 (cdr (car set-list))
2324 (format "body.peek[header.fields %s]" headers)
2325 (format "%s" headers))))
2326 (when (> length elmo-display-progress-threshold)
2327 (setq total (+ total (car (car set-list))))
2328 (elmo-display-progress
2329 'elmo-imap4-msgdb-create "Getting overview..."
2330 (/ (* total 100) length)))
2331 (setq set-list (cdr set-list)))
2332 (message "Getting overview...done")
2333 (when elmo-imap4-seen-messages
2334 (elmo-imap4-set-flag folder elmo-imap4-seen-messages "\\Seen"))
2335 ;; cannot setup the global flag while retrieval.
2336 (dolist (number (elmo-msgdb-list-messages elmo-imap4-current-msgdb))
2337 (elmo-global-flags-set (elmo-msgdb-flags elmo-imap4-current-msgdb
2340 (elmo-message-entity-field
2341 (elmo-msgdb-message-entity
2342 elmo-imap4-current-msgdb number)
2344 elmo-imap4-current-msgdb))))
2346 (luna-define-method elmo-folder-set-flag-plugged ((folder elmo-imap4-folder)
2348 (let ((spec (cdr (assq flag elmo-imap4-flag-specs))))
2350 (elmo-imap4-set-flag folder numbers (car spec) (cdr spec)))))
2352 (luna-define-method elmo-folder-unset-flag-plugged ((folder elmo-imap4-folder)
2354 (let ((spec (cdr (assq flag elmo-imap4-flag-specs))))
2356 (elmo-imap4-set-flag folder numbers (car spec) (not (cdr spec))))))
2358 (luna-define-method elmo-message-use-cache-p ((folder elmo-imap4-folder)
2360 elmo-imap4-use-cache)
2362 (luna-define-method elmo-folder-message-appendable-p ((folder elmo-imap4-folder))
2363 (if (elmo-folder-plugged-p folder)
2364 (not (elmo-imap4-session-read-only-internal
2365 (elmo-imap4-get-session folder)))
2366 elmo-enable-disconnected-operation)) ; offline refile.
2368 (luna-define-method elmo-folder-check-plugged ((folder elmo-imap4-folder))
2369 (let ((session (elmo-imap4-get-session folder 'if-exists)))
2372 (elmo-imap4-session-current-mailbox-internal session)
2373 (elmo-imap4-folder-mailbox-internal folder))
2374 (if elmo-imap4-use-select-to-update-status
2375 (elmo-imap4-session-select-mailbox
2377 (elmo-imap4-folder-mailbox-internal folder)
2379 (elmo-imap4-session-check session))))))
2381 (defsubst elmo-imap4-folder-diff-plugged (folder)
2382 (let ((session (elmo-imap4-get-session folder))
2383 messages new unread response killed uidnext)
2384 ;;; (elmo-imap4-commit spec)
2385 (with-current-buffer (elmo-network-session-buffer session)
2386 (setq elmo-imap4-status-callback nil)
2387 (setq elmo-imap4-status-callback-data nil))
2388 (if elmo-imap4-use-select-to-update-status
2389 (elmo-imap4-session-select-mailbox
2391 (elmo-imap4-folder-mailbox-internal folder)))
2393 (elmo-imap4-send-command-wait session
2397 (elmo-imap4-folder-mailbox-internal
2399 " (recent unseen messages uidnext)")))
2400 (setq response (elmo-imap4-response-value response 'status))
2401 (setq messages (elmo-imap4-response-value response 'messages))
2402 (setq uidnext (elmo-imap4-response-value response 'uidnext))
2403 (setq killed (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder)))
2406 (when (and (consp (car killed))
2407 (eq (car (car killed)) 1))
2408 (setq messages (- uidnext (cdr (car killed)) 1)))
2409 (setq messages (- messages
2410 (elmo-msgdb-killed-list-length (cdr killed)))))
2411 (setq new (elmo-imap4-response-value response 'recent)
2412 unread (elmo-imap4-response-value response 'unseen))
2413 (if (< unread new) (setq new unread))
2414 (list new unread messages)))
2416 (luna-define-method elmo-folder-diff-plugged ((folder elmo-imap4-folder))
2417 (elmo-imap4-folder-diff-plugged folder))
2419 (luna-define-method elmo-folder-diff-async ((folder elmo-imap4-folder))
2420 (setq elmo-imap4-server-diff-async-callback
2421 elmo-folder-diff-async-callback)
2422 (setq elmo-imap4-server-diff-async-callback-data
2423 elmo-folder-diff-async-callback-data)
2424 (elmo-imap4-server-diff-async folder))
2426 (luna-define-method elmo-folder-open :around ((folder elmo-imap4-folder)
2427 &optional load-msgdb)
2428 (if (elmo-folder-plugged-p folder)
2429 (let (session mailbox msgdb result response tag)
2432 (setq session (elmo-imap4-get-session folder)
2433 mailbox (elmo-imap4-folder-mailbox-internal folder)
2434 tag (elmo-imap4-send-command session
2438 (message "Selecting %s..."
2439 (elmo-folder-name-internal folder))
2441 (setq msgdb (elmo-folder-msgdb-load folder 'silent)))
2442 (elmo-folder-set-killed-list-internal
2444 (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder)))
2445 (if (setq result (elmo-imap4-response-ok-p
2447 (elmo-imap4-read-response session tag))))
2449 (elmo-imap4-session-set-current-mailbox-internal
2451 (elmo-imap4-session-set-read-only-internal
2453 (nth 1 (assq 'read-only (assq 'ok response))))
2454 (elmo-imap4-session-set-flags-internal
2456 (nth 1 (or (assq 'permanentflags response)
2457 (assq 'flags response)))))
2458 (elmo-imap4-session-set-current-mailbox-internal session nil)
2459 (if (elmo-imap4-response-bye-p response)
2460 (elmo-imap4-process-bye session)
2462 (or (elmo-imap4-response-error-text response)
2463 (format "Select %s failed" mailbox)))))
2464 (message "Selecting %s...done"
2465 (elmo-folder-name-internal folder))
2466 (elmo-folder-set-msgdb-internal
2469 (if (elmo-imap4-response-ok-p response)
2470 (elmo-imap4-session-set-current-mailbox-internal
2473 (elmo-imap4-session-set-current-mailbox-internal
2476 (if (elmo-imap4-response-ok-p response)
2477 (elmo-imap4-session-set-current-mailbox-internal
2480 (elmo-imap4-session-set-current-mailbox-internal
2482 (luna-call-next-method)))
2484 ;; elmo-folder-open-internal: do nothing.
2486 (luna-define-method elmo-find-fetch-strategy
2487 ((folder elmo-imap4-folder) entity &optional ignore-cache)
2488 (let ((number (elmo-message-entity-number entity))
2489 cache-file size message-id)
2490 (setq size (elmo-message-entity-field entity 'size))
2491 (setq message-id (elmo-message-entity-field entity 'message-id))
2492 (setq cache-file (elmo-file-cache-get message-id))
2493 (if (or ignore-cache
2494 (null (elmo-file-cache-status cache-file)))
2495 (if (and elmo-message-fetch-threshold
2497 (>= size elmo-message-fetch-threshold)
2498 (or (not elmo-message-fetch-confirm)
2499 (not (prog1 (y-or-n-p
2501 "Fetch entire message at once? (%dbytes)"
2504 ;; Fetch message as imap message.
2505 (elmo-make-fetch-strategy 'section
2507 (elmo-message-use-cache-p
2509 (elmo-file-cache-path
2511 ;; Don't use existing cache and fetch entire message at once.
2512 (elmo-make-fetch-strategy 'entire nil
2513 (elmo-message-use-cache-p
2515 (elmo-file-cache-path cache-file)))
2516 ;; Cache found and use it.
2517 (if (not ignore-cache)
2518 (if (eq (elmo-file-cache-status cache-file) 'section)
2519 ;; Fetch message with imap message.
2520 (elmo-make-fetch-strategy 'section
2522 (elmo-message-use-cache-p
2524 (elmo-file-cache-path
2526 (elmo-make-fetch-strategy 'entire
2528 (elmo-message-use-cache-p
2530 (elmo-file-cache-path
2533 (luna-define-method elmo-folder-create-plugged ((folder elmo-imap4-folder))
2534 (elmo-imap4-send-command-wait
2535 (elmo-imap4-get-session folder)
2538 (elmo-imap4-folder-mailbox-internal folder)))))
2540 (luna-define-method elmo-folder-append-buffer
2541 ((folder elmo-imap4-folder) &optional flags number)
2542 (if (elmo-folder-plugged-p folder)
2543 (let ((session (elmo-imap4-get-session folder))
2545 (elmo-imap4-session-select-mailbox session
2546 (elmo-imap4-folder-mailbox-internal
2548 (setq send-buffer (elmo-imap4-setup-send-buffer))
2551 (elmo-imap4-send-command-wait
2555 (elmo-imap4-mailbox (elmo-imap4-folder-mailbox-internal
2557 (if (and flags (elmo-folder-use-flag-p folder))
2562 (and (memq 'important flags)
2564 (and (not (memq 'unread flags))
2566 (and (memq 'answered flags)
2571 (elmo-imap4-buffer-literal send-buffer))))
2572 (kill-buffer send-buffer))
2575 (if elmo-enable-disconnected-operation
2576 (elmo-folder-append-buffer-dop folder flags number)
2577 (error "Unplugged"))))
2580 (defmacro elmo-imap4-identical-system-p (folder1 folder2)
2581 "Return t if FOLDER1 and FOLDER2 are in the same IMAP4 system."
2582 (` (and (string= (elmo-net-folder-server-internal (, folder1))
2583 (elmo-net-folder-server-internal (, folder2)))
2584 (eq (elmo-net-folder-port-internal (, folder1))
2585 (elmo-net-folder-port-internal (, folder2)))
2586 (string= (elmo-net-folder-user-internal (, folder1))
2587 (elmo-net-folder-user-internal (, folder2)))))))
2589 (luna-define-method elmo-folder-next-message-number-plugged
2590 ((folder elmo-imap4-folder))
2591 (let ((session (elmo-imap4-get-session folder))
2592 messages new unread response killed uidnext)
2593 (with-current-buffer (elmo-network-session-buffer session)
2594 (setq elmo-imap4-status-callback nil)
2595 (setq elmo-imap4-status-callback-data nil))
2596 (if elmo-imap4-use-select-to-update-status
2597 (elmo-imap4-session-select-mailbox
2599 (elmo-imap4-folder-mailbox-internal folder)))
2601 (elmo-imap4-send-command-wait session
2605 (elmo-imap4-folder-mailbox-internal
2608 response (elmo-imap4-response-value response 'status))
2609 (elmo-imap4-response-value response 'uidnext)))
2611 (luna-define-method elmo-folder-append-messages :around
2612 ((folder elmo-imap4-folder) src-folder numbers &optional same-number)
2613 (if (and (eq (elmo-folder-type-internal src-folder) 'imap4)
2614 (elmo-imap4-identical-system-p folder src-folder)
2615 (elmo-folder-plugged-p folder))
2618 (elmo-imap4-copy-messages src-folder folder numbers)
2619 (elmo-progress-notify 'elmo-folder-move-messages (length numbers)))
2620 (luna-call-next-method)))
2622 (luna-define-method elmo-message-deletable-p ((folder elmo-imap4-folder)
2624 (if (elmo-folder-plugged-p folder)
2625 (not (elmo-imap4-session-read-only-internal
2626 (elmo-imap4-get-session folder)))
2627 elmo-enable-disconnected-operation)) ; offline refile.
2629 ;(luna-define-method elmo-message-fetch-unplugged
2630 ; ((folder elmo-imap4-folder)
2631 ; number strategy &optional section outbuf unseen)
2632 ; (error "%d%s is not cached." number (if section
2633 ; (format "(%s)" section)
2636 (defsubst elmo-imap4-message-fetch (folder number strategy
2637 section outbuf unseen)
2638 (let ((session (elmo-imap4-get-session folder))
2640 (elmo-imap4-session-select-mailbox session
2641 (elmo-imap4-folder-mailbox-internal
2643 (with-current-buffer (elmo-network-session-buffer session)
2644 (setq elmo-imap4-fetch-callback nil)
2645 (setq elmo-imap4-fetch-callback-data nil))
2646 (unless elmo-inhibit-display-retrieval-progress
2647 (setq elmo-imap4-display-literal-progress t))
2650 (elmo-imap4-send-command-wait session
2652 (if elmo-imap4-use-uid
2653 "uid fetch %s body%s[%s]"
2654 "fetch %s body%s[%s]")
2656 (if unseen ".peek" "")
2659 (setq elmo-imap4-display-literal-progress nil))
2660 (unless elmo-inhibit-display-retrieval-progress
2661 (elmo-display-progress 'elmo-imap4-display-literal-progress
2662 "Retrieving..." 100) ; remove progress bar.
2663 (message "Retrieving...done"))
2664 (if (setq response (elmo-imap4-response-bodydetail-text
2665 (elmo-imap4-response-value-all
2667 (with-current-buffer outbuf
2672 (luna-define-method elmo-message-fetch-plugged ((folder elmo-imap4-folder)
2676 (elmo-imap4-message-fetch folder number strategy section outbuf unseen))
2678 (luna-define-method elmo-message-fetch-field ((folder elmo-imap4-folder)
2680 (let ((session (elmo-imap4-get-session folder)))
2681 (elmo-imap4-session-select-mailbox session
2682 (elmo-imap4-folder-mailbox-internal
2684 (with-current-buffer (elmo-network-session-buffer session)
2685 (setq elmo-imap4-fetch-callback nil)
2686 (setq elmo-imap4-fetch-callback-data nil))
2689 (elmo-imap4-response-bodydetail-text
2690 (elmo-imap4-response-value
2691 (elmo-imap4-send-command-wait session
2693 (if elmo-imap4-use-uid
2696 "fetch %s (body.peek[header.fields (%s)])"
2699 (elmo-delete-cr-buffer)
2700 (goto-char (point-min))
2701 (std11-field-body (symbol-name field)))))
2703 (luna-define-method elmo-folder-search-requires-msgdb-p ((folder
2708 (autoload 'elmo-global-flags-set "elmo-flag")
2711 (product-provide (provide 'elmo-imap4) (require 'elmo-version))
2713 ;;; elmo-imap4.el ends here