1 ;;; elmo-imap4.el --- IMAP4 Interface for ELMO.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Copyright (C) 1999,2000 Kenichi OKADA <okada@opaopa.org>
5 ;; Copyright (C) 2000 OKAZAKI Tetsurou <okazaki@be.to>
6 ;; Copyright (C) 2000 Daiki Ueno <ueno@unixuser.org>
8 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
9 ;; Kenichi OKADA <okada@opaopa.org>
10 ;; OKAZAKI Tetsurou <okazaki@be.to>
11 ;; Daiki Ueno <ueno@unixuser.org>
12 ;; Keywords: mail, net news
14 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
16 ;; This program is free software; you can redistribute it and/or modify
17 ;; it under the terms of the GNU General Public License as published by
18 ;; the Free Software Foundation; either version 2, or (at your option)
21 ;; This program is distributed in the hope that it will be useful,
22 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 ;; GNU General Public License for more details.
26 ;; You should have received a copy of the GNU General Public License
27 ;; along with GNU Emacs; see the file COPYING. If not, write to the
28 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
29 ;; Boston, MA 02111-1307, USA.
34 ;; Origin of IMAP parser part is imap.el, included in Gnus.
36 ;; Copyright (C) 1998, 1999, 2000
37 ;; Free Software Foundation, Inc.
38 ;; Author: Simon Josefsson <jas@pdc.kth.se>
52 (eval-when-compile (require 'cl))
54 (defvar elmo-imap4-disuse-server-flag-mailbox-regexp "^#mh" ; UW imapd
55 "Regexp to match IMAP4 mailbox names whose message flags on server should be ignored.
56 \(Except `\\Deleted' flag\).")
58 (defvar elmo-imap4-overview-fetch-chop-length 200
59 "*Number of overviews to fetch in one request.")
61 ;; c.f. rfc2683 3.2.1.5 Long Command Lines
63 ;; "A client should limit the length of the command lines it generates
64 ;; to approximately 1000 octets (including all quoted strings but not
65 ;; including literals). If the client is unable to group things into
66 ;; ranges so that the command line is within that length, it should
67 ;; split the request into multiple commands. The client should use
68 ;; literals instead of long quoted strings, in order to keep the command
70 ;; For its part, a server should allow for a command line of at least
71 ;; 8000 octets. This provides plenty of leeway for accepting reasonable
72 ;; length commands from clients. The server should send a BAD response
73 ;; to a command that does not end within the server's maximum accepted
76 ;; To limit command line length, chop number set.
77 (defvar elmo-imap4-number-set-chop-length 1000
78 "*Number of messages to specify as a number-set argument for one request.")
80 (defvar elmo-imap4-force-login nil
81 "*Non-nil forces to try 'login' if there is no 'auth' capability in imapd.")
83 (defvar elmo-imap4-use-select-to-update-status nil
84 "*Some imapd have to send select command to update status.
85 \(ex. UW imapd 4.5-BETA?\). For these imapd, you must set this variable t.")
87 (defvar elmo-imap4-use-modified-utf7 nil
88 "*Use mofidied UTF-7 (rfc2060) encoding for IMAP4 folder name.")
90 (defvar elmo-imap4-use-cache t
91 "Use cache in imap4 folder.")
93 (defvar elmo-imap4-extra-namespace-alist
94 '(("^\\({.*/nntp}\\).*$" . ".")) ; Default is for UW's remote nntp mailbox...
95 "Extra namespace alist.
96 A list of cons cell like: (REGEXP . DELIMITER).
97 REGEXP should have a grouping for namespace prefix.")
99 ;;; internal variables
101 (defvar elmo-imap4-seq-prefix "elmo-imap4")
102 (defvar elmo-imap4-seqno 0)
103 (defvar elmo-imap4-use-uid t
104 "Use UID as message number.")
106 (defvar elmo-imap4-current-response nil)
107 (defvar elmo-imap4-status nil)
108 (defvar elmo-imap4-reached-tag "elmo-imap40")
110 ;;; buffer local variables
111 (defvar elmo-imap4-default-hierarchy-delimiter "/")
113 (defvar elmo-imap4-server-capability nil)
114 (defvar elmo-imap4-server-namespace nil)
116 (defvar elmo-imap4-parsing nil) ; indicates parsing.
118 (defvar elmo-imap4-fetch-callback nil)
119 (defvar elmo-imap4-fetch-callback-data nil)
120 (defvar elmo-imap4-status-callback nil)
121 (defvar elmo-imap4-status-callback-data nil)
123 (defvar elmo-imap4-server-diff-async-callback nil)
124 (defvar elmo-imap4-server-diff-async-callback-data nil)
126 ;;; progress...(no use?)
127 (defvar elmo-imap4-count-progress nil)
128 (defvar elmo-imap4-count-progress-message nil)
129 (defvar elmo-imap4-progress-count nil)
131 ;;; XXX Temporal implementation
132 (defvar elmo-imap4-current-msgdb nil)
133 (defvar elmo-imap4-seen-messages nil)
135 (defvar elmo-imap4-local-variables
137 elmo-imap4-current-response
140 elmo-imap4-reached-tag
141 elmo-imap4-count-progress
142 elmo-imap4-count-progress-message
143 elmo-imap4-progress-count
144 elmo-imap4-fetch-callback
145 elmo-imap4-fetch-callback-data
146 elmo-imap4-status-callback
147 elmo-imap4-status-callback-data
148 elmo-imap4-current-msgdb
149 elmo-imap4-seen-messages))
153 (defconst elmo-imap4-quoted-specials-list '(?\\ ?\"))
155 (defconst elmo-imap4-non-atom-char-regex
157 (concat "[^" "]!#$&'+,./0-9:;<=>?@A-Z[^_`a-z|}~-" "]")))
159 (defconst elmo-imap4-non-text-char-regex
162 "]\x01-\x09\x0b\x0c\x0e-\x1f\x7f !\"#$%&'()*+,./0-9:;<=>?@A-Z[\\^_`a-z{|}~-"
165 (defconst elmo-imap4-literal-threshold 1024
166 "Limitation of characters that can be used in a quoted string.")
169 (defvar elmo-imap4-debug nil
170 "Non-nil forces IMAP4 folder as debug mode.
171 Debug information is inserted in the buffer \"*IMAP4 DEBUG*\"")
173 (defvar elmo-imap4-debug-inhibit-logging nil)
175 ;;; ELMO IMAP4 folder
177 (luna-define-class elmo-imap4-folder (elmo-net-folder)
179 (luna-define-internal-accessors 'elmo-imap4-folder))
183 (luna-define-class elmo-imap4-session (elmo-network-session)
184 (capability current-mailbox read-only))
185 (luna-define-internal-accessors 'elmo-imap4-session))
187 ;;; MIME-ELMO-IMAP Location
189 (luna-define-class mime-elmo-imap-location
191 (folder number rawbuf strategy))
192 (luna-define-internal-accessors 'mime-elmo-imap-location))
195 (defmacro elmo-imap4-debug (message &rest args)
196 (` (if elmo-imap4-debug
197 (elmo-imap4-debug-1 (, message) (,@ args)))))
199 (defun elmo-imap4-debug-1 (message &rest args)
200 (with-current-buffer (get-buffer-create "*IMAP4 DEBUG*")
201 (goto-char (point-max))
202 (if elmo-imap4-debug-inhibit-logging
203 (insert "NO LOGGING\n")
204 (insert (apply 'format message args) "\n"))))
206 (defsubst elmo-imap4-decode-folder-string (string)
207 (if elmo-imap4-use-modified-utf7
208 (utf7-decode-string string 'imap)
211 (defsubst elmo-imap4-encode-folder-string (string)
212 (if elmo-imap4-use-modified-utf7
213 (utf7-encode-string string 'imap)
218 (defmacro elmo-imap4-response-continue-req-p (response)
219 "Returns non-nil if RESPONSE is '+' response."
220 (` (assq 'continue-req (, response))))
222 (defmacro elmo-imap4-response-ok-p (response)
223 "Returns non-nil if RESPONSE is an 'OK' response."
224 (` (assq 'ok (, response))))
226 (defmacro elmo-imap4-response-bye-p (response)
227 "Returns non-nil if RESPONSE is an 'BYE' response."
228 (` (assq 'bye (, response))))
230 (defmacro elmo-imap4-response-garbage-p (response)
231 "Returns non-nil if RESPONSE is an 'garbage' response."
232 (` (assq 'garbage (, response))))
234 (defmacro elmo-imap4-response-value (response symbol)
235 "Get value of the SYMBOL from RESPONSE."
236 (` (nth 1 (assq (, symbol) (, response)))))
238 (defsubst elmo-imap4-response-value-all (response symbol)
239 "Get all value of the SYMBOL from RESPONSE."
242 (if (eq (car (car response)) symbol)
243 (setq matched (nconc matched (nth 1 (car response)))))
244 (setq response (cdr response)))
247 (defmacro elmo-imap4-response-error-text (response)
248 "Returns text of NO, BAD, BYE response."
249 (` (nth 1 (or (elmo-imap4-response-value (, response) 'no)
250 (elmo-imap4-response-value (, response) 'bad)
251 (elmo-imap4-response-value (, response) 'bye)))))
253 (defmacro elmo-imap4-response-bodydetail-text (response)
254 "Returns text of BODY[section]<partial>."
255 (` (nth 3 (assq 'bodydetail (, response)))))
257 ;;; Session commands.
259 ; (defun elmo-imap4-send-command-wait (session command)
260 ; "Send COMMAND to the SESSION and wait for response.
261 ; Returns RESPONSE (parsed lisp object) of IMAP session."
262 ; (elmo-imap4-read-response session
263 ; (elmo-imap4-send-command
267 (defun elmo-imap4-send-command-wait (session command)
268 "Send COMMAND to the SESSION.
269 Returns RESPONSE (parsed lisp object) of IMAP session.
270 If response is not `OK', causes error with IMAP response text."
271 (elmo-imap4-accept-ok session
272 (elmo-imap4-send-command
276 (defun elmo-imap4-send-command (session command)
277 "Send COMMAND to the SESSION.
278 Returns a TAG string which is assigned to the COMMAND."
279 (let* ((command-args (if (listp command)
282 (process (elmo-network-session-process-internal session))
283 cmdstr tag token kind)
284 (with-current-buffer (process-buffer process)
285 (setq tag (concat elmo-imap4-seq-prefix
287 (setq elmo-imap4-seqno (+ 1 elmo-imap4-seqno)))))
288 (setq cmdstr (concat tag " "))
289 ;; (erase-buffer) No need.
290 (goto-char (point-min))
291 (when (elmo-imap4-response-bye-p elmo-imap4-current-response)
292 (elmo-imap4-process-bye session))
293 (setq elmo-imap4-current-response nil)
294 (if elmo-imap4-parsing
295 (error "IMAP process is running. Please wait (or plug again)"))
296 (setq elmo-imap4-parsing t)
297 (elmo-imap4-debug "<-(%s)- %s" tag command)
298 (while (setq token (car command-args))
299 (cond ((stringp token) ; formatted
300 (setq cmdstr (concat cmdstr token)))
301 ((listp token) ; unformatted
302 (setq kind (car token))
303 (cond ((eq kind 'atom)
304 (setq cmdstr (concat cmdstr (nth 1 token))))
308 (elmo-imap4-format-quoted (nth 1 token)))))
310 (setq cmdstr (concat cmdstr
311 (format "{%d}" (nth 2 token))))
312 (process-send-string process cmdstr)
313 (process-send-string process "\r\n")
315 (elmo-imap4-accept-continue-req session)
316 (cond ((stringp (nth 1 token))
317 (setq cmdstr (nth 1 token)))
318 ((bufferp (nth 1 token))
319 (with-current-buffer (nth 1 token)
323 (+ (point-min) (nth 2 token)))))
325 (error "Wrong argument for literal"))))
327 (error "Unknown token kind %s" kind))))
329 (error "Invalid argument")))
330 (setq command-args (cdr command-args)))
332 (process-send-string process cmdstr))
333 (process-send-string process "\r\n")
336 (defun elmo-imap4-send-string (session string)
337 "Send STRING to the SESSION."
338 (with-current-buffer (process-buffer
339 (elmo-network-session-process-internal session))
340 (setq elmo-imap4-current-response nil)
341 (goto-char (point-min))
342 (elmo-imap4-debug "<-- %s" string)
343 (process-send-string (elmo-network-session-process-internal session)
345 (process-send-string (elmo-network-session-process-internal session)
348 (defun elmo-imap4-read-response (session tag)
349 "Read parsed response from SESSION.
350 TAG is the tag of the command"
351 (with-current-buffer (process-buffer
352 (elmo-network-session-process-internal session))
353 (while (not (or (string= tag elmo-imap4-reached-tag)
354 (elmo-imap4-response-bye-p elmo-imap4-current-response)
355 (when (elmo-imap4-response-garbage-p
356 elmo-imap4-current-response)
357 (message "Garbage response: %s"
358 (elmo-imap4-response-value
359 elmo-imap4-current-response
362 (when (memq (process-status
363 (elmo-network-session-process-internal session))
365 (accept-process-output (elmo-network-session-process-internal session)
367 (elmo-imap4-debug "=>%s" (prin1-to-string elmo-imap4-current-response))
368 (setq elmo-imap4-parsing nil)
369 elmo-imap4-current-response))
371 (defsubst elmo-imap4-read-untagged (process)
372 (with-current-buffer (process-buffer process)
373 (while (not elmo-imap4-current-response)
374 (accept-process-output process 1))
375 (elmo-imap4-debug "=>%s" (prin1-to-string elmo-imap4-current-response))
376 elmo-imap4-current-response))
378 (defun elmo-imap4-read-continue-req (session)
379 "Returns a text following to continue-req in SESSION.
380 If response is not `+' response, returns nil."
381 (elmo-imap4-response-value
382 (elmo-imap4-read-untagged
383 (elmo-network-session-process-internal session))
386 (defun elmo-imap4-process-bye (session)
387 (with-current-buffer (elmo-network-session-buffer session)
388 (let ((r elmo-imap4-current-response))
389 (setq elmo-imap4-current-response nil)
390 (elmo-network-close-session session)
391 (signal 'elmo-imap4-bye-error
392 (list (concat (elmo-imap4-response-error-text r))
395 (defun elmo-imap4-accept-continue-req (session)
396 "Returns non-nil if `+' (continue-req) response is arrived in SESSION.
397 If response is not `+' response, cause an error."
400 (elmo-imap4-read-untagged
401 (elmo-network-session-process-internal session)))
402 (or (elmo-imap4-response-continue-req-p response)
403 (error "IMAP error: %s"
404 (or (elmo-imap4-response-error-text response)
405 "No continut-req from server.")))))
407 (defun elmo-imap4-read-ok (session tag)
408 "Returns non-nil if `OK' response of the command with TAG is arrived
409 in SESSION. If response is not `OK' response, returns nil."
410 (elmo-imap4-response-ok-p
411 (elmo-imap4-read-response session tag)))
413 (defun elmo-imap4-accept-ok (session tag)
414 "Accept only `OK' response from SESSION.
415 If response is not `OK' response, causes error with IMAP response text."
416 (let ((response (elmo-imap4-read-response session tag)))
417 (if (elmo-imap4-response-ok-p response)
419 (if (elmo-imap4-response-bye-p response)
420 (elmo-imap4-process-bye session)
421 (error "IMAP error: %s"
422 (or (elmo-imap4-response-error-text response)
423 "No `OK' response from server."))))))
425 ;;; MIME-ELMO-IMAP Location
426 (luna-define-method mime-imap-location-section-body ((location
427 mime-elmo-imap-location)
429 (if (and (stringp section)
430 (string= section "HEADER"))
431 ;; Even in the section mode, header fields should be saved to the
433 (with-current-buffer (mime-elmo-imap-location-rawbuf-internal location)
436 (mime-elmo-imap-location-folder-internal location)
437 (mime-elmo-imap-location-number-internal location)
438 (mime-elmo-imap-location-strategy-internal location)
444 (mime-elmo-imap-location-folder-internal location)
445 (mime-elmo-imap-location-number-internal location)
446 (mime-elmo-imap-location-strategy-internal location)
451 (luna-define-method mime-imap-location-bodystructure
452 ((location mime-elmo-imap-location))
453 (elmo-imap4-fetch-bodystructure
454 (mime-elmo-imap-location-folder-internal location)
455 (mime-elmo-imap-location-number-internal location)
456 (mime-elmo-imap-location-strategy-internal location)))
458 (luna-define-method mime-imap-location-fetch-entity-p
459 ((location mime-elmo-imap-location) entity)
460 (or (not elmo-message-displaying) ; Fetching entity to save or force display.
464 (mmimap-entity-section (mime-entity-node-id-internal entity))
465 (elmo-fetch-strategy-cache-path
466 (mime-elmo-imap-location-strategy-internal location))))
467 ;; not too large to fetch.
468 (> elmo-message-fetch-threshold
469 (or (mime-imap-entity-size-internal entity) 0))))
473 (defun elmo-imap4-session-check (session)
474 (with-current-buffer (elmo-network-session-buffer session)
475 (setq elmo-imap4-fetch-callback nil)
476 (setq elmo-imap4-fetch-callback-data nil))
477 (elmo-imap4-send-command-wait session "check"))
479 (defun elmo-imap4-atom-p (string)
480 "Return t if STRING is an atom defined in rfc2060."
481 (if (string= string "")
484 (not (string-match elmo-imap4-non-atom-char-regex string)))))
486 (defun elmo-imap4-quotable-p (string)
487 "Return t if STRING can be formatted as a quoted defined in rfc2060."
489 (not (string-match elmo-imap4-non-text-char-regex string))))
491 (defun elmo-imap4-nil (string)
492 "Return a list represents the special atom \"NIL\" defined in rfc2060, \
494 Otherwise return nil."
498 (defun elmo-imap4-atom (string)
499 "Return a list represents STRING as an atom defined in rfc2060.
500 Return nil if STRING is not an atom. See `elmo-imap4-atom-p'."
501 (if (elmo-imap4-atom-p string)
502 (list 'atom string)))
504 (defun elmo-imap4-quoted (string)
505 "Return a list represents STRING as a quoted defined in rfc2060.
506 Return nil if STRING can not be formatted as a quoted. See `elmo-imap4-quotable-p'."
507 (if (elmo-imap4-quotable-p string)
508 (list 'quoted string)))
510 (defun elmo-imap4-literal-1 (string-or-buffer length)
511 "Internal function for `elmo-imap4-literal' and `elmo-imap4-buffer-literal'.
512 Return a list represents STRING-OR-BUFFER as a literal defined in rfc2060.
513 STRING-OR-BUFFER must be an encoded string or a single-byte string or a single-byte buffer.
514 LENGTH must be the number of octets for STRING-OR-BUFFER."
515 (list 'literal string-or-buffer length))
517 (defun elmo-imap4-literal (string)
518 "Return a list represents STRING as a literal defined in rfc2060.
519 STRING must be an encoded or a single-byte string."
520 (elmo-imap4-literal-1 string (length string)))
522 (defun elmo-imap4-buffer-literal (buffer)
523 "Return a list represents BUFFER as a literal defined in rfc2060.
524 BUFFER must be a single-byte buffer."
525 (elmo-imap4-literal-1 buffer (with-current-buffer buffer
528 (defun elmo-imap4-string-1 (string length)
529 "Internal function for `elmo-imap4-string' and `elmo-imap4-buffer-string'.
530 Return a list represents STRING as a string defined in rfc2060.
531 STRING must be an encoded or a single-byte string.
532 LENGTH must be the number of octets for STRING."
533 (or (elmo-imap4-quoted string)
534 (elmo-imap4-literal-1 string length)))
536 (defun elmo-imap4-string (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 (let ((length (length string)))
540 (if (< elmo-imap4-literal-threshold length)
541 (elmo-imap4-literal-1 string length)
542 (elmo-imap4-string-1 string length))))
544 (defun elmo-imap4-buffer-string (buffer)
545 "Return a list represents BUFFER as a string defined in rfc2060.
546 BUFFER must be a single-byte buffer."
547 (let ((length (with-current-buffer buffer
549 (if (< elmo-imap4-literal-threshold length)
550 (elmo-imap4-literal-1 buffer length)
551 (elmo-imap4-string-1 (with-current-buffer buffer
555 (defun elmo-imap4-astring-1 (string length)
556 "Internal function for `elmo-imap4-astring' and `elmo-imap4-buffer-astring'.
557 Return a list represents STRING as an astring defined in rfc2060.
558 STRING must be an encoded or a single-byte string.
559 LENGTH must be the number of octets for STRING."
560 (or (elmo-imap4-atom string)
561 (elmo-imap4-string-1 string length)))
563 (defun elmo-imap4-astring (string)
564 "Return a list represents STRING as an astring defined in rfc2060.
565 STRING must be an encoded or a single-byte string."
566 (let ((length (length string)))
567 (if (< elmo-imap4-literal-threshold length)
568 (elmo-imap4-literal-1 string length)
569 (elmo-imap4-astring-1 string length))))
571 (defun elmo-imap4-buffer-astring (buffer)
572 "Return a list represents BUFFER as an astring defined in rfc2060.
573 BUFFER must be a single-byte buffer."
574 (let ((length (with-current-buffer buffer
576 (if (< elmo-imap4-literal-threshold length)
577 (elmo-imap4-literal-1 buffer length)
578 (elmo-imap4-astring-1 (with-current-buffer buffer
582 (defun elmo-imap4-nstring (string)
583 "Return a list represents STRING as a nstring defined in rfc2060.
584 STRING must be an encoded or a single-byte string."
585 (or (elmo-imap4-nil string)
586 (elmo-imap4-string string)))
588 (defun elmo-imap4-buffer-nstring (buffer)
589 "Return a list represents BUFFER as a nstring defined in rfc2060.
590 BUFFER must be a single-byte buffer."
591 (or (elmo-imap4-nil buffer)
592 (elmo-imap4-buffer-string buffer)))
594 (defalias 'elmo-imap4-mailbox 'elmo-imap4-astring)
595 (defalias 'elmo-imap4-field-body 'elmo-imap4-astring)
596 (defalias 'elmo-imap4-userid 'elmo-imap4-astring)
597 (defalias 'elmo-imap4-password 'elmo-imap4-astring)
599 (defun elmo-imap4-format-quoted (string)
600 "Return STRING in a form of the quoted-string defined in rfc2060."
602 (std11-wrap-as-quoted-pairs string elmo-imap4-quoted-specials-list)
605 (defsubst elmo-imap4-response-get-selectable-mailbox-list (response)
609 (if (and (eq 'list (car entry))
610 (not (elmo-string-member-ignore-case "\\Noselect" (nth 1 (nth 1 entry)))))
611 (car (nth 1 entry))))
614 (defun elmo-imap4-fetch-bodystructure (folder number strategy)
615 "Fetch BODYSTRUCTURE for the message in the FOLDER with NUMBER using STRATEGY."
616 (if (elmo-fetch-strategy-use-cache strategy)
618 (elmo-file-cache-expand-path
619 (elmo-fetch-strategy-cache-path strategy)
621 (let ((session (elmo-imap4-get-session folder))
623 (elmo-imap4-session-select-mailbox
625 (elmo-imap4-folder-mailbox-internal folder))
626 (with-current-buffer (elmo-network-session-buffer session)
627 (setq elmo-imap4-fetch-callback nil)
628 (setq elmo-imap4-fetch-callback-data nil))
629 (prog1 (setq bodystructure
630 (elmo-imap4-response-value
631 (elmo-imap4-response-value
632 (elmo-imap4-send-command-wait
635 (if elmo-imap4-use-uid
636 "uid fetch %s bodystructure"
637 "fetch %s bodystructure")
641 (when (elmo-fetch-strategy-save-cache strategy)
642 (elmo-file-cache-delete
643 (elmo-fetch-strategy-cache-path strategy))
645 (elmo-file-cache-expand-path
646 (elmo-fetch-strategy-cache-path strategy)
651 (luna-define-method elmo-create-folder-plugged ((folder elmo-imap4-folder))
652 (elmo-imap4-send-command-wait
653 (elmo-imap4-get-session folder)
654 (list "create " (elmo-imap4-mailbox
655 (elmo-imap4-folder-mailbox-internal folder)))))
657 (defun elmo-imap4-get-session (folder &optional if-exists)
658 (elmo-network-get-session 'elmo-imap4-session
660 (if (elmo-folder-biff-internal folder)
665 (defun elmo-imap4-session-select-mailbox (session mailbox
666 &optional force no-error)
667 "Select MAILBOX in SESSION.
668 If optional argument FORCE is non-nil, select mailbox even if current mailbox
670 If second optional argument NO-ERROR is non-nil, don't cause an error when
671 selecting folder was failed.
672 If NO-ERROR is 'notify-bye, only BYE response is reported as error.
673 Returns response value if selecting folder succeed. "
676 (elmo-imap4-session-current-mailbox-internal session)
678 (let (response result)
681 (elmo-imap4-read-response
683 (elmo-imap4-send-command
687 (elmo-imap4-mailbox mailbox)))))
688 (if (setq result (elmo-imap4-response-ok-p response))
690 (elmo-imap4-session-set-current-mailbox-internal session mailbox)
691 (elmo-imap4-session-set-read-only-internal
693 (nth 1 (assq 'read-only (assq 'ok response)))))
694 (elmo-imap4-session-set-current-mailbox-internal session nil)
695 (if (and (eq no-error 'notify-bye)
696 (elmo-imap4-response-bye-p response))
697 (elmo-imap4-process-bye session)
700 (elmo-imap4-response-error-text response)
701 (format "Select %s failed" mailbox)))))))
702 (and result response))))
704 (defun elmo-imap4-check-validity (spec validity-file)
706 ;;;(elmo-imap4-send-command-wait
707 ;;;(elmo-imap4-get-session spec)
709 ;;; (elmo-imap4-mailbox
710 ;;; (elmo-imap4-spec-mailbox spec))
711 ;;; " (uidvalidity)")))
714 (defun elmo-imap4-sync-validity (spec validity-file)
718 (defun elmo-imap4-list (folder flag)
719 (let ((session (elmo-imap4-get-session folder)))
720 (elmo-imap4-session-select-mailbox
722 (elmo-imap4-folder-mailbox-internal folder))
723 (elmo-imap4-response-value
724 (elmo-imap4-send-command-wait
726 (format (if elmo-imap4-use-uid "uid search %s"
730 (defvar elmo-imap4-rfc822-size "RFC822\.SIZE")
731 (defvar elmo-imap4-rfc822-text "RFC822\.TEXT")
732 (defvar elmo-imap4-rfc822-header "RFC822\.HEADER")
733 (defvar elmo-imap4-header-fields "HEADER\.FIELDS")
735 (defun elmo-imap4-make-number-set-list (msg-list &optional chop-length)
736 "Make RFC2060's message set specifier from MSG-LIST.
737 Returns a list of (NUMBER . SET-STRING).
738 SET-STRING is the message set specifier described in RFC2060.
739 NUMBER is contained message number in SET-STRING.
740 Every SET-STRING does not contain number of messages longer than CHOP-LENGTH.
741 If CHOP-LENGTH is not specified, message set is not chopped."
742 (let (count cont-list set-list)
743 (setq msg-list (sort (copy-sequence msg-list) '<))
748 (setq chop-length (length msg-list)))
749 (while (and (not (null msg-list))
750 (< count chop-length))
752 (elmo-number-set-append
753 cont-list (car msg-list)))
755 (setq msg-list (cdr msg-list)))
763 (format "%s:%s" (car x) (cdr x)))
769 (nreverse set-list)))
773 ;; cons of flag-table and result of use-flag-p.
774 (defsubst elmo-imap4-fetch-callback-1-subr (entity flags app-data)
775 "A msgdb entity callback function."
776 (let* ((use-flag (cdr app-data))
777 (app-data (car app-data))
779 (if (elmo-string-member-ignore-case "\\Flagged" flags)
780 (elmo-msgdb-global-mark-set (car entity)
781 elmo-msgdb-important-mark))
782 (if (setq mark (elmo-msgdb-global-mark-get (car entity)))
783 (unless (elmo-string-member-ignore-case "\\Seen" flags)
784 (setq elmo-imap4-seen-messages
786 (elmo-msgdb-overview-entity-get-number entity)
787 elmo-imap4-seen-messages)))
788 (setq mark (or (if (elmo-file-cache-status
789 (elmo-file-cache-get (car entity)))
791 (if (elmo-string-member-ignore-case
793 elmo-msgdb-answered-cached-mark
795 (member "\\Seen" flags))
797 elmo-msgdb-unread-cached-mark))
798 (if (elmo-string-member-ignore-case "\\Answered" flags)
799 elmo-msgdb-answered-uncached-mark
801 (elmo-string-member-ignore-case
803 (if elmo-imap4-use-cache
804 elmo-msgdb-read-uncached-mark)
805 elmo-msgdb-new-mark))))))
806 (setq elmo-imap4-current-msgdb
808 elmo-imap4-current-msgdb
810 (list (cons (elmo-msgdb-overview-entity-get-number entity)
814 (list (elmo-msgdb-overview-entity-get-number entity)
817 ;; Current buffer is process buffer.
818 (defun elmo-imap4-fetch-callback-1 (element app-data)
819 (elmo-imap4-fetch-callback-1-subr
821 (insert (or (elmo-imap4-response-bodydetail-text element)
824 (goto-char (point-min))
825 (while (search-forward "\r\n" nil t)
826 (replace-match "\n"))
827 (elmo-msgdb-create-overview-from-buffer
828 (elmo-imap4-response-value element 'uid)
829 (elmo-imap4-response-value element 'rfc822size)))
830 (elmo-imap4-response-value element 'flags)
833 (defun elmo-imap4-parse-capability (string)
834 (if (string-match "^\\*\\(.*\\)$" string)
836 (concat "(" (downcase (elmo-match-string 1 string)) ")"))))
838 (defun elmo-imap4-clear-login (session)
839 (let ((elmo-imap4-debug-inhibit-logging t))
843 (elmo-imap4-send-command
846 (elmo-imap4-userid (elmo-network-session-user-internal session))
849 (elmo-get-passwd (elmo-network-session-password-key session))))))
850 (signal 'elmo-authenticate-error '(elmo-imap4-clear-login)))))
852 (defun elmo-imap4-auth-login (session)
853 (let ((tag (elmo-imap4-send-command session "authenticate login"))
854 (elmo-imap4-debug-inhibit-logging t))
855 (or (elmo-imap4-read-continue-req session)
856 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
857 (elmo-imap4-send-string session
858 (elmo-base64-encode-string
859 (elmo-network-session-user-internal session)))
860 (or (elmo-imap4-read-continue-req session)
861 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
862 (elmo-imap4-send-string session
863 (elmo-base64-encode-string
865 (elmo-network-session-password-key session))))
866 (or (elmo-imap4-read-ok session tag)
867 (signal 'elmo-authenticate-error '(elmo-imap4-auth-login)))
868 (setq elmo-imap4-status 'auth)))
871 elmo-network-initialize-session-buffer :after ((session
872 elmo-imap4-session) buffer)
873 (with-current-buffer buffer
874 (mapcar 'make-variable-buffer-local elmo-imap4-local-variables)
875 (setq elmo-imap4-seqno 0)
876 (setq elmo-imap4-status 'initial)))
878 (luna-define-method elmo-network-initialize-session ((session
880 (let ((process (elmo-network-session-process-internal session)))
881 (with-current-buffer (process-buffer process)
882 ;; Skip garbage output from process before greeting.
883 (while (and (memq (process-status process) '(open run))
884 (goto-char (point-max))
886 (not (elmo-imap4-parse-greeting)))
887 (accept-process-output process 1))
888 (set-process-filter process 'elmo-imap4-arrival-filter)
889 (set-process-sentinel process 'elmo-imap4-sentinel)
890 ;;; (while (and (memq (process-status process) '(open run))
891 ;;; (eq elmo-imap4-status 'initial))
892 ;;; (message "Waiting for server response...")
893 ;;; (accept-process-output process 1))
895 (unless (memq elmo-imap4-status '(nonauth auth))
896 (signal 'elmo-open-error
897 (list 'elmo-network-initialize-session)))
898 (elmo-imap4-session-set-capability-internal
900 (elmo-imap4-response-value
901 (elmo-imap4-send-command-wait session "capability")
903 (when (eq (elmo-network-stream-type-symbol
904 (elmo-network-session-stream-type-internal session))
907 (elmo-imap4-session-capability-internal session))
908 (signal 'elmo-open-error
909 '(elmo-imap4-starttls-error)))
910 (elmo-imap4-send-command-wait session "starttls")
911 (starttls-negotiate process)
912 (elmo-imap4-session-set-capability-internal
914 (elmo-imap4-response-value
915 (elmo-imap4-send-command-wait session "capability")
918 (luna-define-method elmo-network-authenticate-session ((session
920 (with-current-buffer (process-buffer
921 (elmo-network-session-process-internal session))
922 (let* ((auth (elmo-network-session-auth-internal session))
923 (auth (if (listp auth) auth (list auth))))
924 (unless (or (eq elmo-imap4-status 'auth)
927 ((eq 'clear (car auth))
928 (elmo-imap4-clear-login session))
929 ((eq 'login (car auth))
930 (elmo-imap4-auth-login session))
932 (let* ((elmo-imap4-debug-inhibit-logging t)
937 (if (string-match "^auth=\\(.*\\)$"
939 (match-string 1 (upcase (symbol-name cap)))))
940 (elmo-imap4-session-capability-internal session))))
944 (mapcar '(lambda (cap) (upcase (symbol-name cap)))
948 client name step response tag
949 sasl-read-passphrase)
951 (if (or elmo-imap4-force-login
954 "There's no %s capability in server. continue?"
956 (elmo-network-session-auth-internal session)))))
957 (setq mechanism (sasl-find-mechanism
959 (signal 'elmo-authenticate-error
960 '(elmo-imap4-auth-no-mechanisms))))
964 (elmo-network-session-user-internal session)
966 (elmo-network-session-server-internal session)))
967 ;;; (if elmo-imap4-auth-user-realm
968 ;;; (sasl-client-set-property client 'realm elmo-imap4-auth-user-realm))
969 (setq name (sasl-mechanism-name mechanism)
970 step (sasl-next-step client nil))
971 (elmo-network-session-set-auth-internal
973 (intern (downcase name)))
974 (setq sasl-read-passphrase
978 (elmo-network-session-password-key session)))))
980 (elmo-imap4-send-command
982 (concat "AUTHENTICATE " name
983 (and (sasl-step-data step)
986 (elmo-base64-encode-string
987 (sasl-step-data step)
992 (elmo-imap4-read-untagged
993 (elmo-network-session-process-internal session)))
994 (if (elmo-imap4-response-ok-p response)
995 (if (sasl-next-step client step)
997 (signal 'elmo-authenticate-error
999 (concat "elmo-imap4-auth-"
1001 ;; The authentication process is finished.
1003 (unless (elmo-imap4-response-continue-req-p response)
1004 ;; response is NO or BAD.
1005 (signal 'elmo-authenticate-error
1007 (concat "elmo-imap4-auth-"
1008 (downcase name))))))
1011 (elmo-base64-decode-string
1012 (elmo-imap4-response-value response 'continue-req)))
1013 (setq step (sasl-next-step client step))
1015 (elmo-imap4-send-string
1017 (if (sasl-step-data step)
1018 (elmo-base64-encode-string (sasl-step-data step)
1022 (luna-define-method elmo-network-setup-session ((session
1023 elmo-imap4-session))
1024 (with-current-buffer (elmo-network-session-buffer session)
1025 (when (memq 'namespace (elmo-imap4-session-capability-internal session))
1026 (setq elmo-imap4-server-namespace
1027 (elmo-imap4-response-value
1028 (elmo-imap4-send-command-wait session "namespace")
1031 (defun elmo-imap4-setup-send-buffer (&optional string)
1032 (let ((send-buf (get-buffer-create " *elmo-imap4-setup-send-buffer*"))
1033 (source-buf (unless string (current-buffer))))
1036 (set-buffer send-buf)
1038 (elmo-set-buffer-multibyte nil)
1041 (with-current-buffer source-buf
1042 (copy-to-buffer send-buf (point-min) (point-max))))
1043 (goto-char (point-min))
1044 (if (eq (re-search-forward "^$" nil t)
1047 (goto-char (point-min))
1048 (while (search-forward "\n" nil t)
1049 (replace-match "\r\n"))))
1052 (defun elmo-imap4-setup-send-buffer-from-file (file)
1053 (let ((tmp-buf (get-buffer-create
1054 " *elmo-imap4-setup-send-buffer-from-file*")))
1057 (set-buffer tmp-buf)
1059 (as-binary-input-file
1060 (insert-file-contents file))
1061 (goto-char (point-min))
1062 (if (eq (re-search-forward "^$" nil t)
1065 (goto-char (point-min))
1066 (while (search-forward "\n" nil t)
1067 (replace-match "\r\n"))))
1070 (luna-define-method elmo-delete-message-safe ((folder elmo-imap4-folder)
1072 (let ((session (elmo-imap4-get-session folder))
1074 (elmo-imap4-session-select-mailbox
1076 (elmo-imap4-folder-mailbox-internal folder))
1078 (elmo-imap4-response-value
1079 (elmo-imap4-send-command-wait session
1081 (if elmo-imap4-use-uid
1082 "uid search header message-id "
1083 "search header message-id ")
1084 (elmo-imap4-field-body msgid)))
1086 (if (memq number candidates)
1087 (elmo-folder-delete-messages folder (list number)))))
1089 (defun elmo-imap4-server-diff-async-callback-1 (status data)
1090 (funcall elmo-imap4-server-diff-async-callback
1091 (list (elmo-imap4-response-value status 'recent)
1092 (elmo-imap4-response-value status 'unseen)
1093 (elmo-imap4-response-value status 'messages))
1096 (defun elmo-imap4-server-diff-async (folder)
1097 (let ((session (elmo-imap4-get-session folder)))
1098 ;; We should `check' folder to obtain newest information here.
1099 ;; But since there's no asynchronous check mechanism in elmo yet,
1100 ;; checking is not done here.
1101 (with-current-buffer (elmo-network-session-buffer session)
1102 (setq elmo-imap4-status-callback
1103 'elmo-imap4-server-diff-async-callback-1)
1104 (setq elmo-imap4-status-callback-data
1105 elmo-imap4-server-diff-async-callback-data))
1106 (elmo-imap4-send-command session
1110 (elmo-imap4-folder-mailbox-internal folder))
1111 " (recent unseen messages)"))))
1113 (luna-define-method elmo-server-diff-async ((folder elmo-imap4-folder))
1114 (let ((session (elmo-imap4-get-session folder)))
1116 ;; (elmo-imap4-commit spec)
1117 (with-current-buffer (elmo-network-session-buffer session)
1118 (setq elmo-imap4-status-callback
1119 'elmo-imap4-server-diff-async-callback-1)
1120 (setq elmo-imap4-status-callback-data
1121 elmo-imap4-server-diff-async-callback-data))
1122 (elmo-imap4-send-command session
1126 (elmo-imap4-folder-mailbox-internal folder))
1127 " (recent unseen messages)"))))
1131 (defvar elmo-imap4-server-eol "\r\n"
1132 "The EOL string sent from the server.")
1134 (defvar elmo-imap4-client-eol "\r\n"
1135 "The EOL string we send to the server.")
1137 (defvar elmo-imap4-display-literal-progress nil)
1139 (defun elmo-imap4-find-next-line ()
1140 "Return point at end of current line, taking into account literals.
1141 Return nil if no complete line has arrived."
1142 (when (re-search-forward (concat elmo-imap4-server-eol "\\|{\\([0-9]+\\)}"
1143 elmo-imap4-server-eol)
1145 (if (match-string 1)
1146 (if (< (point-max) (+ (point) (string-to-number (match-string 1))))
1148 (if (and elmo-imap4-display-literal-progress
1149 (> (string-to-number (match-string 1))
1150 (min elmo-display-retrieval-progress-threshold 100)))
1151 (elmo-display-progress
1152 'elmo-imap4-display-literal-progress
1153 (format "Retrieving (%d/%d bytes)..."
1154 (- (point-max) (point))
1155 (string-to-number (match-string 1)))
1156 (/ (- (point-max) (point))
1157 (/ (string-to-number (match-string 1)) 100))))
1159 (goto-char (+ (point) (string-to-number (match-string 1))))
1160 (elmo-imap4-find-next-line))
1163 (defun elmo-imap4-sentinel (process string)
1164 (delete-process process))
1166 (defun elmo-imap4-arrival-filter (proc string)
1167 "IMAP process filter."
1168 (when (buffer-live-p (process-buffer proc))
1169 (with-current-buffer (process-buffer proc)
1170 (elmo-imap4-debug "-> %s" string)
1171 (goto-char (point-max))
1174 (goto-char (point-min))
1175 (while (setq end (elmo-imap4-find-next-line))
1177 (narrow-to-region (point-min) end)
1178 (delete-backward-char (length elmo-imap4-server-eol))
1179 (goto-char (point-min))
1181 (cond ((eq elmo-imap4-status 'initial)
1182 (setq elmo-imap4-current-response
1184 (list 'greeting (elmo-imap4-parse-greeting)))))
1185 ((or (eq elmo-imap4-status 'auth)
1186 (eq elmo-imap4-status 'nonauth)
1187 (eq elmo-imap4-status 'selected)
1188 (eq elmo-imap4-status 'examine))
1189 (setq elmo-imap4-current-response
1191 (elmo-imap4-parse-response)
1192 elmo-imap4-current-response)))
1194 (message "Unknown state %s in arrival filter"
1195 elmo-imap4-status))))
1196 (delete-region (point-min) (point-max))))))))
1200 (defsubst elmo-imap4-forward ()
1201 (or (eobp) (forward-char 1)))
1203 (defsubst elmo-imap4-parse-number ()
1204 (when (looking-at "[0-9]+")
1206 (string-to-number (match-string 0))
1207 (goto-char (match-end 0)))))
1209 (defsubst elmo-imap4-parse-literal ()
1210 (when (looking-at "{\\([0-9]+\\)}\r\n")
1211 (let ((pos (match-end 0))
1212 (len (string-to-number (match-string 1))))
1213 (if (< (point-max) (+ pos len))
1215 (goto-char (+ pos len))
1216 (buffer-substring pos (+ pos len))))))
1217 ;;; (list ' pos (+ pos len))))))
1219 (defsubst elmo-imap4-parse-string ()
1220 (cond ((eq (char-after (point)) ?\")
1222 (let ((p (point)) (name ""))
1223 (skip-chars-forward "^\"\\\\")
1224 (setq name (buffer-substring p (point)))
1225 (while (eq (char-after (point)) ?\\)
1226 (setq p (1+ (point)))
1228 (skip-chars-forward "^\"\\\\")
1229 (setq name (concat name (buffer-substring p (point)))))
1232 ((eq (char-after (point)) ?{)
1233 (elmo-imap4-parse-literal))))
1235 (defsubst elmo-imap4-parse-nil ()
1236 (if (looking-at "NIL")
1237 (goto-char (match-end 0))))
1239 (defsubst elmo-imap4-parse-nstring ()
1240 (or (elmo-imap4-parse-string)
1241 (and (elmo-imap4-parse-nil)
1244 (defsubst elmo-imap4-parse-astring ()
1245 (or (elmo-imap4-parse-string)
1246 (buffer-substring (point)
1247 (if (re-search-forward "[(){ \r\n%*\"\\]" nil t)
1248 (goto-char (1- (match-end 0)))
1252 (defsubst elmo-imap4-parse-address ()
1254 (when (eq (char-after (point)) ?\()
1255 (elmo-imap4-forward)
1256 (setq address (vector (prog1 (elmo-imap4-parse-nstring)
1257 (elmo-imap4-forward))
1258 (prog1 (elmo-imap4-parse-nstring)
1259 (elmo-imap4-forward))
1260 (prog1 (elmo-imap4-parse-nstring)
1261 (elmo-imap4-forward))
1262 (elmo-imap4-parse-nstring)))
1263 (when (eq (char-after (point)) ?\))
1264 (elmo-imap4-forward)
1267 (defsubst elmo-imap4-parse-address-list ()
1268 (if (eq (char-after (point)) ?\()
1269 (let (address addresses)
1270 (elmo-imap4-forward)
1271 (while (and (not (eq (char-after (point)) ?\)))
1272 ;; next line for MS Exchange bug
1273 (progn (and (eq (char-after (point)) ? ) (elmo-imap4-forward)) t)
1274 (setq address (elmo-imap4-parse-address)))
1275 (setq addresses (cons address addresses)))
1276 (when (eq (char-after (point)) ?\))
1277 (elmo-imap4-forward)
1278 (nreverse addresses)))
1279 (assert (elmo-imap4-parse-nil))))
1281 (defsubst elmo-imap4-parse-mailbox ()
1282 (let ((mailbox (elmo-imap4-parse-astring)))
1283 (if (string-equal "INBOX" (upcase mailbox))
1287 (defun elmo-imap4-parse-greeting ()
1288 "Parse a IMAP greeting."
1289 (cond ((looking-at "\\* OK ")
1290 (setq elmo-imap4-status 'nonauth))
1291 ((looking-at "\\* PREAUTH ")
1292 (setq elmo-imap4-status 'auth))
1293 ((looking-at "\\* BYE ")
1294 (setq elmo-imap4-status 'closed))))
1296 (defun elmo-imap4-parse-response ()
1297 "Parse a IMAP command response."
1299 (case (setq token (read (current-buffer)))
1301 (skip-chars-forward " ")
1302 (list 'continue-req (buffer-substring (point) (point-max)))))
1303 (* (case (prog1 (setq token (read (current-buffer)))
1304 (elmo-imap4-forward))
1305 (OK (elmo-imap4-parse-resp-text-code))
1306 (NO (elmo-imap4-parse-resp-text-code))
1307 (BAD (elmo-imap4-parse-resp-text-code))
1308 (BYE (elmo-imap4-parse-bye))
1310 (elmo-imap4-parse-flag-list)))
1311 (LIST (list 'list (elmo-imap4-parse-data-list)))
1312 (LSUB (list 'lsub (elmo-imap4-parse-data-list)))
1316 (buffer-substring (point) (point-max))
1318 (STATUS (elmo-imap4-parse-status))
1320 (NAMESPACE (elmo-imap4-parse-namespace))
1321 (CAPABILITY (list 'capability
1323 (concat "(" (downcase (buffer-substring
1324 (point) (point-max)))
1326 (ACL (elmo-imap4-parse-acl))
1327 (t (case (prog1 (read (current-buffer))
1328 (elmo-imap4-forward))
1329 (EXISTS (list 'exists token))
1330 (RECENT (list 'recent token))
1331 (EXPUNGE (list 'expunge token))
1332 (FETCH (elmo-imap4-parse-fetch token))
1333 (t (list 'garbage (buffer-string)))))))
1334 (t (if (not (string-match elmo-imap4-seq-prefix (symbol-name token)))
1335 (list 'garbage (buffer-string))
1336 (case (prog1 (read (current-buffer))
1337 (elmo-imap4-forward))
1339 (setq elmo-imap4-parsing nil)
1340 (setq token (symbol-name token))
1341 (elmo-unintern token)
1342 (elmo-imap4-debug "*%s* OK arrived" token)
1343 (setq elmo-imap4-reached-tag token)
1344 (list 'ok (elmo-imap4-parse-resp-text-code))))
1346 (setq elmo-imap4-parsing nil)
1347 (setq token (symbol-name token))
1348 (elmo-unintern token)
1349 (elmo-imap4-debug "*%s* NO arrived" token)
1350 (setq elmo-imap4-reached-tag token)
1352 (when (eq (char-after (point)) ?\[)
1353 (setq code (buffer-substring (point)
1354 (search-forward "]")))
1355 (elmo-imap4-forward))
1356 (setq text (buffer-substring (point) (point-max)))
1357 (list 'no (list code text)))))
1359 (setq elmo-imap4-parsing nil)
1360 (elmo-imap4-debug "*%s* BAD arrived" token)
1361 (setq token (symbol-name token))
1362 (elmo-unintern token)
1363 (setq elmo-imap4-reached-tag token)
1365 (when (eq (char-after (point)) ?\[)
1366 (setq code (buffer-substring (point)
1367 (search-forward "]")))
1368 (elmo-imap4-forward))
1369 (setq text (buffer-substring (point) (point-max)))
1370 (list 'bad (list code text)))))
1371 (t (list 'garbage (buffer-string)))))))))
1373 (defun elmo-imap4-parse-bye ()
1375 (when (eq (char-after (point)) ?\[)
1376 (setq code (buffer-substring (point)
1377 (search-forward "]")))
1378 (elmo-imap4-forward))
1379 (setq text (buffer-substring (point) (point-max)))
1380 (list 'bye (list code text))))
1382 (defun elmo-imap4-parse-text ()
1383 (goto-char (point-min))
1384 (when (search-forward "[" nil t)
1385 (search-forward "]")
1386 (elmo-imap4-forward))
1387 (list 'text (buffer-substring (point) (point-max))))
1389 (defun elmo-imap4-parse-resp-text-code ()
1390 (when (eq (char-after (point)) ?\[)
1391 (elmo-imap4-forward)
1392 (cond ((search-forward "PERMANENTFLAGS " nil t)
1393 (list 'permanentflags (elmo-imap4-parse-flag-list)))
1394 ((search-forward "UIDNEXT " nil t)
1395 (list 'uidnext (read (current-buffer))))
1396 ((search-forward "UNSEEN " nil t)
1397 (list 'unseen (read (current-buffer))))
1398 ((looking-at "UIDVALIDITY \\([0-9]+\\)")
1399 (list 'uidvalidity (match-string 1)))
1400 ((search-forward "READ-ONLY" nil t)
1401 (list 'read-only t))
1402 ((search-forward "READ-WRITE" nil t)
1403 (list 'read-write t))
1404 ((search-forward "NEWNAME " nil t)
1405 (let (oldname newname)
1406 (setq oldname (elmo-imap4-parse-string))
1407 (elmo-imap4-forward)
1408 (setq newname (elmo-imap4-parse-string))
1409 (list 'newname newname oldname)))
1410 ((search-forward "TRYCREATE" nil t)
1411 (list 'trycreate t))
1412 ((looking-at "APPENDUID \\([0-9]+\\) \\([0-9]+\\)")
1414 (list (match-string 1)
1415 (string-to-number (match-string 2)))))
1416 ((looking-at "COPYUID \\([0-9]+\\) \\([0-9,:]+\\) \\([0-9,:]+\\)")
1417 (list 'copyuid (list (match-string 1)
1420 ((search-forward "ALERT] " nil t)
1421 (message "IMAP server information: %s"
1422 (buffer-substring (point) (point-max))))
1423 (t (list 'unknown)))))
1425 (defun elmo-imap4-parse-data-list ()
1426 (let (flags delimiter mailbox)
1427 (setq flags (elmo-imap4-parse-flag-list))
1428 (when (looking-at " NIL\\| \"\\\\?\\(.\\)\"")
1429 (setq delimiter (match-string 1))
1430 (goto-char (1+ (match-end 0)))
1431 (when (setq mailbox (elmo-imap4-parse-mailbox))
1432 (list mailbox flags delimiter)))))
1434 (defsubst elmo-imap4-parse-header-list ()
1435 (when (eq (char-after (point)) ?\()
1437 (while (not (eq (char-after (point)) ?\)))
1438 (elmo-imap4-forward)
1439 (push (elmo-imap4-parse-astring) strlist))
1440 (elmo-imap4-forward)
1441 (nreverse strlist))))
1443 (defsubst elmo-imap4-parse-fetch-body-section ()
1445 (buffer-substring (point)
1447 (progn (re-search-forward "[] ]" nil t)
1449 (if (eq (char-before) ? )
1451 (mapconcat 'identity
1452 (cons section (elmo-imap4-parse-header-list)) " ")
1453 (search-forward "]" nil t))
1456 (defun elmo-imap4-parse-fetch (response)
1457 (when (eq (char-after (point)) ?\()
1459 (while (not (eq (char-after (point)) ?\)))
1460 (elmo-imap4-forward)
1461 (let ((token (read (current-buffer))))
1462 (elmo-imap4-forward)
1464 (cond ((eq token 'UID)
1465 (list 'uid (condition-case nil
1466 (read (current-buffer))
1469 (list 'flags (elmo-imap4-parse-flag-list)))
1470 ((eq token 'ENVELOPE)
1471 (list 'envelope (elmo-imap4-parse-envelope)))
1472 ((eq token 'INTERNALDATE)
1473 (list 'internaldate (elmo-imap4-parse-string)))
1475 (list 'rfc822 (elmo-imap4-parse-nstring)))
1476 ((eq token (intern elmo-imap4-rfc822-header))
1477 (list 'rfc822header (elmo-imap4-parse-nstring)))
1478 ((eq token (intern elmo-imap4-rfc822-text))
1479 (list 'rfc822text (elmo-imap4-parse-nstring)))
1480 ((eq token (intern elmo-imap4-rfc822-size))
1481 (list 'rfc822size (read (current-buffer))))
1483 (if (eq (char-before) ?\[)
1486 (upcase (elmo-imap4-parse-fetch-body-section))
1488 (eq (char-after (point)) ?<)
1489 (buffer-substring (1+ (point))
1491 (search-forward ">" nil t)
1493 (progn (elmo-imap4-forward)
1494 (elmo-imap4-parse-nstring)))
1495 (list 'body (elmo-imap4-parse-body))))
1496 ((eq token 'BODYSTRUCTURE)
1497 (list 'bodystructure (elmo-imap4-parse-body)))))
1498 (setq list (cons element list))))
1499 (and elmo-imap4-fetch-callback
1500 (funcall elmo-imap4-fetch-callback
1501 list elmo-imap4-fetch-callback-data))
1502 (list 'fetch list))))
1504 (defun elmo-imap4-parse-status ()
1505 (let ((mailbox (elmo-imap4-parse-mailbox))
1507 (when (and mailbox (search-forward "(" nil t))
1508 (while (not (eq (char-after (point)) ?\)))
1511 (let ((token (read (current-buffer))))
1512 (cond ((eq token 'MESSAGES)
1513 (list 'messages (read (current-buffer))))
1515 (list 'recent (read (current-buffer))))
1516 ((eq token 'UIDNEXT)
1517 (list 'uidnext (read (current-buffer))))
1518 ((eq token 'UIDVALIDITY)
1519 (and (looking-at " \\([0-9]+\\)")
1520 (prog1 (list 'uidvalidity (match-string 1))
1521 (goto-char (match-end 1)))))
1523 (list 'unseen (read (current-buffer))))
1526 "Unknown status data %s in mailbox %s ignored"
1529 (skip-chars-forward " ")))
1530 (and elmo-imap4-status-callback
1531 (funcall elmo-imap4-status-callback
1533 elmo-imap4-status-callback-data))
1534 (list 'status status)))
1537 (defmacro elmo-imap4-value (value)
1538 (` (if (eq (, value) 'NIL) nil
1541 (defmacro elmo-imap4-nth (pos list)
1542 (` (let ((value (nth (, pos) (, list))))
1543 (elmo-imap4-value value))))
1545 (defun elmo-imap4-parse-namespace ()
1548 (copy-sequence elmo-imap4-extra-namespace-alist)
1549 (elmo-imap4-parse-namespace-subr
1550 (read (concat "(" (buffer-substring
1551 (point) (point-max))
1554 (defun elmo-imap4-parse-namespace-subr (ns)
1555 (let (prefix delim namespace-alist default-delim)
1556 ;; 0: personal, 1: other, 2: shared
1558 (setq namespace-alist
1559 (nconc namespace-alist
1563 (setq prefix (elmo-imap4-nth 0 namespace)
1564 delim (elmo-imap4-nth 1 namespace))
1565 (if (and prefix delim
1567 (concat (regexp-quote delim) "\\'")
1569 (setq prefix (substring prefix 0
1570 (match-beginning 0))))
1571 (if (eq (length prefix) 0)
1572 (progn (setq default-delim delim) nil)
1575 (if (string= (downcase prefix) "inbox")
1576 "[Ii][Nn][Bb][Oo][Xx]"
1577 (regexp-quote prefix))
1580 (elmo-imap4-nth i ns))))))
1582 (setq namespace-alist
1583 (nconc namespace-alist
1584 (list (cons "^.*$" default-delim)))))
1587 (defun elmo-imap4-parse-acl ()
1588 (let ((mailbox (elmo-imap4-parse-mailbox))
1589 identifier rights acl)
1590 (while (eq (char-after (point)) ?\ )
1591 (elmo-imap4-forward)
1592 (setq identifier (elmo-imap4-parse-astring))
1593 (elmo-imap4-forward)
1594 (setq rights (elmo-imap4-parse-astring))
1595 (setq acl (append acl (list (cons identifier rights)))))
1596 (list 'acl acl mailbox)))
1598 (defun elmo-imap4-parse-flag-list ()
1599 (let ((str (buffer-substring (+ (point) 1)
1600 (progn (search-forward ")" nil t)
1602 (unless (eq (length str) 0)
1603 (split-string str))))
1605 (defun elmo-imap4-parse-envelope ()
1606 (when (eq (char-after (point)) ?\()
1607 (elmo-imap4-forward)
1608 (vector (prog1 (elmo-imap4-parse-nstring);; date
1609 (elmo-imap4-forward))
1610 (prog1 (elmo-imap4-parse-nstring);; subject
1611 (elmo-imap4-forward))
1612 (prog1 (elmo-imap4-parse-address-list);; from
1613 (elmo-imap4-forward))
1614 (prog1 (elmo-imap4-parse-address-list);; sender
1615 (elmo-imap4-forward))
1616 (prog1 (elmo-imap4-parse-address-list);; reply-to
1617 (elmo-imap4-forward))
1618 (prog1 (elmo-imap4-parse-address-list);; to
1619 (elmo-imap4-forward))
1620 (prog1 (elmo-imap4-parse-address-list);; cc
1621 (elmo-imap4-forward))
1622 (prog1 (elmo-imap4-parse-address-list);; bcc
1623 (elmo-imap4-forward))
1624 (prog1 (elmo-imap4-parse-nstring);; in-reply-to
1625 (elmo-imap4-forward))
1626 (prog1 (elmo-imap4-parse-nstring);; message-id
1627 (elmo-imap4-forward)))))
1629 (defsubst elmo-imap4-parse-string-list ()
1630 (cond ((eq (char-after (point)) ?\();; body-fld-param
1632 (elmo-imap4-forward)
1633 (while (setq str (elmo-imap4-parse-string))
1635 (elmo-imap4-forward))
1636 (nreverse strlist)))
1637 ((elmo-imap4-parse-nil)
1640 (defun elmo-imap4-parse-body-extension ()
1641 (if (eq (char-after (point)) ?\()
1643 (elmo-imap4-forward)
1644 (push (elmo-imap4-parse-body-extension) b-e)
1645 (while (eq (char-after (point)) ?\ )
1646 (elmo-imap4-forward)
1647 (push (elmo-imap4-parse-body-extension) b-e))
1648 (assert (eq (char-after (point)) ?\)))
1649 (elmo-imap4-forward)
1651 (or (elmo-imap4-parse-number)
1652 (elmo-imap4-parse-nstring))))
1654 (defsubst elmo-imap4-parse-body-ext ()
1656 (when (eq (char-after (point)) ?\ );; body-fld-dsp
1657 (elmo-imap4-forward)
1659 (if (eq (char-after (point)) ?\()
1661 (elmo-imap4-forward)
1662 (push (elmo-imap4-parse-string) dsp)
1663 (elmo-imap4-forward)
1664 (push (elmo-imap4-parse-string-list) dsp)
1665 (elmo-imap4-forward))
1666 (assert (elmo-imap4-parse-nil)))
1667 (push (nreverse dsp) ext))
1668 (when (eq (char-after (point)) ?\ );; body-fld-lang
1669 (elmo-imap4-forward)
1670 (if (eq (char-after (point)) ?\()
1671 (push (elmo-imap4-parse-string-list) ext)
1672 (push (elmo-imap4-parse-nstring) ext))
1673 (while (eq (char-after (point)) ?\ );; body-extension
1674 (elmo-imap4-forward)
1675 (setq ext (append (elmo-imap4-parse-body-extension) ext)))))
1678 (defun elmo-imap4-parse-body ()
1680 (when (eq (char-after (point)) ?\()
1681 (elmo-imap4-forward)
1682 (if (eq (char-after (point)) ?\()
1684 (while (and (eq (char-after (point)) ?\()
1685 (setq subbody (elmo-imap4-parse-body)))
1686 (push subbody body))
1687 (elmo-imap4-forward)
1688 (push (elmo-imap4-parse-string) body);; media-subtype
1689 (when (eq (char-after (point)) ?\ );; body-ext-mpart:
1690 (elmo-imap4-forward)
1691 (if (eq (char-after (point)) ?\();; body-fld-param
1692 (push (elmo-imap4-parse-string-list) body)
1693 (push (and (elmo-imap4-parse-nil) nil) body))
1695 (append (elmo-imap4-parse-body-ext) body)));; body-ext-...
1696 (assert (eq (char-after (point)) ?\)))
1697 (elmo-imap4-forward)
1700 (push (elmo-imap4-parse-string) body);; media-type
1701 (elmo-imap4-forward)
1702 (push (elmo-imap4-parse-string) body);; media-subtype
1703 (elmo-imap4-forward)
1704 ;; next line for Sun SIMS bug
1705 (and (eq (char-after (point)) ? ) (elmo-imap4-forward))
1706 (if (eq (char-after (point)) ?\();; body-fld-param
1707 (push (elmo-imap4-parse-string-list) body)
1708 (push (and (elmo-imap4-parse-nil) nil) body))
1709 (elmo-imap4-forward)
1710 (push (elmo-imap4-parse-nstring) body);; body-fld-id
1711 (elmo-imap4-forward)
1712 (push (elmo-imap4-parse-nstring) body);; body-fld-desc
1713 (elmo-imap4-forward)
1714 (push (elmo-imap4-parse-string) body);; body-fld-enc
1715 (elmo-imap4-forward)
1716 (push (elmo-imap4-parse-number) body);; body-fld-octets
1718 ;; ok, we're done parsing the required parts, what comes now is one
1721 ;; envelope (then we're parsing body-type-msg)
1722 ;; body-fld-lines (then we're parsing body-type-text)
1723 ;; body-ext-1part (then we're parsing body-type-basic)
1725 ;; the problem is that the two first are in turn optionally followed
1726 ;; by the third. So we parse the first two here (if there are any)...
1728 (when (eq (char-after (point)) ?\ )
1729 (elmo-imap4-forward)
1731 (cond ((eq (char-after (point)) ?\();; body-type-msg:
1732 (push (elmo-imap4-parse-envelope) body);; envelope
1733 (elmo-imap4-forward)
1734 (push (elmo-imap4-parse-body) body);; body
1735 (elmo-imap4-forward)
1736 (push (elmo-imap4-parse-number) body));; body-fld-lines
1737 ((setq lines (elmo-imap4-parse-number));; body-type-text:
1738 (push lines body));; body-fld-lines
1740 (backward-char)))));; no match...
1742 ;; ...and then parse the third one here...
1744 (when (eq (char-after (point)) ?\ );; body-ext-1part:
1745 (elmo-imap4-forward)
1746 (push (elmo-imap4-parse-nstring) body);; body-fld-md5
1748 (append (elmo-imap4-parse-body-ext) body)));; body-ext-1part..
1750 (assert (eq (char-after (point)) ?\)))
1751 (elmo-imap4-forward)
1754 (luna-define-method elmo-folder-initialize :around ((folder
1757 (let ((default-user elmo-imap4-default-user)
1758 (default-server elmo-imap4-default-server)
1759 (default-port elmo-imap4-default-port)
1760 (elmo-network-stream-type-alist
1761 (if elmo-imap4-stream-type-alist
1762 (append elmo-imap4-stream-type-alist
1763 elmo-network-stream-type-alist)
1764 elmo-network-stream-type-alist))
1766 (when (string-match "\\(.*\\)@\\(.*\\)" default-server)
1767 ;; case: imap4-default-server is specified like
1768 ;; "hoge%imap.server@gateway".
1769 (setq default-user (elmo-match-string 1 default-server))
1770 (setq default-server (elmo-match-string 2 default-server)))
1771 (setq name (luna-call-next-method))
1773 (setq parse (elmo-parse-token name ":"))
1774 (elmo-imap4-folder-set-mailbox-internal folder
1775 (elmo-imap4-encode-folder-string
1778 (setq parse (elmo-parse-prefixed-element ?: (cdr parse) "/"))
1779 (elmo-net-folder-set-user-internal folder
1780 (if (eq (length (car parse)) 0)
1784 (setq parse (elmo-parse-prefixed-element ?/ (cdr parse)))
1785 (elmo-net-folder-set-auth-internal
1787 (if (eq (length (car parse)) 0)
1788 (or elmo-imap4-default-authenticate-type 'clear)
1789 (intern (car parse))))
1790 (unless (elmo-net-folder-server-internal folder)
1791 (elmo-net-folder-set-server-internal folder default-server))
1792 (unless (elmo-net-folder-port-internal folder)
1793 (elmo-net-folder-set-port-internal folder default-port))
1794 (unless (elmo-net-folder-stream-type-internal folder)
1795 (elmo-net-folder-set-stream-type-internal
1797 (elmo-get-network-stream-type elmo-imap4-default-stream-type)))
1800 ;;; ELMO IMAP4 folder
1801 (luna-define-method elmo-folder-expand-msgdb-path ((folder
1803 (convert-standard-filename
1804 (let ((mailbox (elmo-imap4-folder-mailbox-internal folder)))
1805 (if (string= "inbox" (downcase mailbox))
1806 (setq mailbox "inbox"))
1807 (if (eq (string-to-char mailbox) ?/)
1808 (setq mailbox (substring mailbox 1 (length mailbox))))
1809 (concat ; don't use expand-file-name (e.g. %~/something)
1811 (or (elmo-net-folder-user-internal folder) "nobody")
1812 (expand-file-name (or (elmo-net-folder-server-internal folder)
1816 elmo-msgdb-directory)))
1819 (luna-define-method elmo-folder-status-plugged ((folder
1821 (elmo-imap4-folder-status-plugged folder))
1823 (defun elmo-imap4-folder-status-plugged (folder)
1824 (let ((session (elmo-imap4-get-session folder))
1825 (killed (elmo-msgdb-killed-list-load
1826 (elmo-folder-msgdb-path folder)))
1828 (with-current-buffer (elmo-network-session-buffer session)
1829 (setq elmo-imap4-status-callback nil)
1830 (setq elmo-imap4-status-callback-data nil))
1831 (setq status (elmo-imap4-response-value
1832 (elmo-imap4-send-command-wait
1836 (elmo-imap4-folder-mailbox-internal folder))
1837 " (uidnext messages)"))
1840 (- (elmo-imap4-response-value status 'uidnext) 1)
1843 (elmo-imap4-response-value status 'messages)
1844 (elmo-msgdb-killed-list-length killed))
1845 (elmo-imap4-response-value status 'messages)))))
1847 (luna-define-method elmo-folder-list-messages-plugged ((folder
1850 (elmo-imap4-list folder
1851 (let ((max (elmo-msgdb-max-of-killed
1852 (elmo-folder-killed-list-internal folder))))
1855 (format "uid %d:*" (1+ max))
1858 (luna-define-method elmo-folder-list-unreads-plugged
1859 ((folder elmo-imap4-folder))
1860 (elmo-imap4-list folder "unseen"))
1862 (luna-define-method elmo-folder-list-importants-plugged
1863 ((folder elmo-imap4-folder))
1864 (elmo-imap4-list folder "flagged"))
1866 (luna-define-method elmo-folder-list-answereds-plugged
1867 ((folder elmo-imap4-folder))
1868 (elmo-imap4-list folder "answered"))
1870 (defun elmo-imap4-folder-list-any-plugged (folder)
1871 (elmo-imap4-list folder "or answered or unseen flagged"))
1873 (defun elmo-imap4-folder-list-digest-plugged (folder)
1874 (elmo-imap4-list folder "or unseen flagged"))
1876 (luna-define-method elmo-folder-use-flag-p ((folder elmo-imap4-folder))
1877 (not (string-match elmo-imap4-disuse-server-flag-mailbox-regexp
1878 (elmo-imap4-folder-mailbox-internal folder))))
1880 (luna-define-method elmo-folder-list-subfolders ((folder elmo-imap4-folder)
1881 &optional one-level)
1882 (let* ((root (elmo-imap4-folder-mailbox-internal folder))
1883 (session (elmo-imap4-get-session folder))
1884 (prefix (elmo-folder-prefix-internal folder))
1886 (elmo-string-matched-assoc
1888 (with-current-buffer (elmo-network-session-buffer session)
1889 elmo-imap4-server-namespace)))
1890 (delim (or (cdr namespace-assoc)
1891 elmo-imap4-default-hierarchy-delimiter))
1892 ;; Append delimiter when root with namespace.
1893 (root (if (and namespace-assoc
1895 (string= (substring root (match-end 1))
1899 result append-serv type)
1900 (setq result (elmo-imap4-response-get-selectable-mailbox-list
1901 (elmo-imap4-send-command-wait
1903 (list "list " (elmo-imap4-mailbox root) " *"))))
1904 (when (or (not (string= (elmo-net-folder-user-internal folder)
1905 elmo-imap4-default-user))
1906 (not (eq (elmo-net-folder-auth-internal folder)
1907 (or elmo-imap4-default-authenticate-type 'clear))))
1908 (setq append-serv (concat ":" (elmo-net-folder-user-internal folder))))
1909 (unless (eq (elmo-net-folder-auth-internal folder)
1910 (or elmo-imap4-default-authenticate-type 'clear))
1912 (concat append-serv "/"
1913 (symbol-name (elmo-net-folder-auth-internal folder)))))
1914 (unless (string= (elmo-net-folder-server-internal folder)
1915 elmo-imap4-default-server)
1916 (setq append-serv (concat append-serv "@"
1917 (elmo-net-folder-server-internal folder))))
1918 (unless (eq (elmo-net-folder-port-internal folder) elmo-imap4-default-port)
1919 (setq append-serv (concat append-serv ":"
1921 (elmo-net-folder-port-internal folder)))))
1922 (setq type (elmo-net-folder-stream-type-internal folder))
1923 (unless (eq (elmo-network-stream-type-symbol type)
1924 elmo-imap4-default-stream-type)
1926 (setq append-serv (concat append-serv
1927 (elmo-network-stream-type-spec-string
1930 (let ((re-delim (regexp-quote delim))
1931 (case-fold-search nil)
1932 folder ret has-child-p)
1935 (not (string= root ""))
1937 (concat "\\(.*\\)" re-delim "\\'")
1939 (setq root (concat root delim)))
1940 (while (setq folder (car result))
1942 (concat "^\\(" (regexp-quote root) "[^" re-delim "]" "+\\)"
1945 (setq folder (match-string 1 folder)))
1946 (setq has-child-p nil
1949 (mapcar (lambda (fld)
1951 (concat "^" (regexp-quote folder)
1952 "\\(" re-delim "\\|\\'\\)")
1954 (progn (setq has-child-p t) nil)
1957 folder (concat prefix
1958 (elmo-imap4-decode-folder-string folder)
1960 (eval append-serv)))
1961 ret (append ret (if has-child-p
1962 (list (list folder))
1965 (mapcar (lambda (fld)
1966 (concat prefix (elmo-imap4-decode-folder-string fld)
1968 (eval append-serv))))
1971 (luna-define-method elmo-folder-exists-p-plugged ((folder elmo-imap4-folder))
1972 (let ((session (elmo-imap4-get-session folder)))
1974 (elmo-imap4-session-current-mailbox-internal session)
1975 (elmo-imap4-folder-mailbox-internal folder))
1977 (elmo-imap4-session-select-mailbox
1979 (elmo-imap4-folder-mailbox-internal folder)
1980 'force 'notify-bye))))
1982 (luna-define-method elmo-folder-creatable-p ((folder elmo-imap4-folder))
1985 (luna-define-method elmo-folder-writable-p ((folder elmo-imap4-folder))
1988 (luna-define-method elmo-folder-delete ((folder elmo-imap4-folder))
1989 (let ((msgs (and (elmo-folder-exists-p folder)
1990 (elmo-folder-list-messages folder))))
1991 (when (yes-or-no-p (format "%sDelete msgdb and substance of \"%s\"? "
1992 (if (> (length msgs) 0)
1993 (format "%d msg(s) exists. " (length msgs))
1995 (elmo-folder-name-internal folder)))
1996 (let ((session (elmo-imap4-get-session folder)))
1997 (when (elmo-imap4-folder-mailbox-internal folder)
1998 (when msgs (elmo-folder-delete-messages folder msgs))
1999 (elmo-imap4-send-command-wait session "close")
2000 (elmo-imap4-send-command-wait
2004 (elmo-imap4-folder-mailbox-internal folder))))))
2005 (elmo-msgdb-delete-path folder)
2008 (luna-define-method elmo-folder-rename-internal ((folder elmo-imap4-folder)
2010 (let ((session (elmo-imap4-get-session folder)))
2011 ;; make sure the folder is selected.
2012 (elmo-imap4-session-select-mailbox session
2013 (elmo-imap4-folder-mailbox-internal
2015 (elmo-imap4-send-command-wait session "close")
2016 (elmo-imap4-send-command-wait
2020 (elmo-imap4-folder-mailbox-internal folder))
2023 (elmo-imap4-folder-mailbox-internal new-folder))))
2024 (elmo-imap4-session-set-current-mailbox-internal
2025 session (elmo-imap4-folder-mailbox-internal new-folder))))
2027 (defun elmo-imap4-copy-messages (src-folder dst-folder numbers)
2028 (let ((session (elmo-imap4-get-session src-folder))
2029 (set-list (elmo-imap4-make-number-set-list
2031 elmo-imap4-number-set-chop-length))
2033 (elmo-imap4-session-select-mailbox session
2034 (elmo-imap4-folder-mailbox-internal
2037 (if (elmo-imap4-send-command-wait session
2040 (if elmo-imap4-use-uid
2043 (cdr (car set-list)))
2045 (elmo-imap4-folder-mailbox-internal
2047 (setq succeeds (append succeeds numbers)))
2048 (setq set-list (cdr set-list)))
2051 (defun elmo-imap4-set-flag (folder numbers flag &optional remove)
2052 "Set flag on messages.
2053 FOLDER is the ELMO folder structure.
2054 NUMBERS is the message numbers to be flagged.
2055 FLAG is the flag name.
2056 If optional argument REMOVE is non-nil, remove FLAG."
2057 (let ((session (elmo-imap4-get-session folder))
2059 (elmo-imap4-session-select-mailbox session
2060 (elmo-imap4-folder-mailbox-internal
2062 (setq set-list (elmo-imap4-make-number-set-list
2064 elmo-imap4-number-set-chop-length))
2066 (with-current-buffer (elmo-network-session-buffer session)
2067 (setq elmo-imap4-fetch-callback nil)
2068 (setq elmo-imap4-fetch-callback-data nil))
2069 (unless (elmo-imap4-response-ok-p
2070 (elmo-imap4-send-command-wait
2073 (if elmo-imap4-use-uid
2074 "uid store %s %sflags.silent (%s)"
2075 "store %s %sflags.silent (%s)")
2076 (cdr (car set-list))
2079 (setq response 'fail))
2080 (setq set-list (cdr set-list)))
2081 (not (eq response 'fail))))
2083 (luna-define-method elmo-folder-delete-messages-plugged
2084 ((folder elmo-imap4-folder) numbers)
2085 (let ((session (elmo-imap4-get-session folder)))
2086 (elmo-imap4-set-flag folder numbers "\\Deleted")
2087 (elmo-imap4-send-command-wait session "expunge")))
2089 (defmacro elmo-imap4-detect-search-charset (string)
2090 (` (with-temp-buffer
2092 (detect-mime-charset-region (point-min) (point-max)))))
2094 (defun elmo-imap4-search-internal-primitive (folder session filter from-msgs)
2095 (let ((search-key (elmo-filter-key filter))
2096 (imap-search-keys '("bcc" "body" "cc" "from" "subject" "to"
2097 "larger" "smaller" "mark"))
2099 (length (length from-msgs))
2100 charset set-list end results)
2101 (message "Searching...")
2103 ((string= "last" search-key)
2104 (let ((numbers (or from-msgs (elmo-folder-list-messages folder))))
2105 (nthcdr (max (- (length numbers)
2106 (string-to-int (elmo-filter-value filter)))
2109 ((string= "first" search-key)
2110 (let* ((numbers (or from-msgs (elmo-folder-list-messages folder)))
2111 (rest (nthcdr (string-to-int (elmo-filter-value filter) )
2113 (mapcar '(lambda (x) (delete x numbers)) rest)
2115 ((string= "flag" search-key)
2117 ((string= "unread" (elmo-filter-value filter))
2118 (elmo-folder-list-unreads folder))
2119 ((string= "important" (elmo-filter-value filter))
2120 (elmo-folder-list-importants folder))
2121 ((string= "answered" (elmo-filter-value filter))
2122 (elmo-folder-list-answereds folder))
2123 ((string= "digest" (elmo-filter-value filter))
2124 (elmo-imap4-folder-list-digest-plugged folder))
2125 ((string= "any" (elmo-filter-value filter))
2126 (elmo-imap4-folder-list-any-plugged folder))))
2127 ((or (string= "since" search-key)
2128 (string= "before" search-key))
2129 (setq search-key (concat "sent" search-key)
2130 set-list (elmo-imap4-make-number-set-list
2132 elmo-imap4-number-set-chop-length)
2138 (elmo-imap4-response-value
2139 (elmo-imap4-send-command-wait
2142 (if elmo-imap4-use-uid
2143 "uid search %s%s%s %s"
2147 (if elmo-imap4-use-uid "uid ")
2148 (cdr (car set-list))
2151 (if (eq (elmo-filter-type filter)
2155 (elmo-date-get-description
2156 (elmo-date-get-datevec
2157 (elmo-filter-value filter)))))
2159 (when (> length elmo-display-progress-threshold)
2160 (setq total (+ total (car (car set-list))))
2161 (elmo-display-progress
2162 'elmo-imap4-search "Searching..."
2163 (/ (* total 100) length)))
2164 (setq set-list (cdr set-list)
2165 end (null set-list)))
2169 (if (eq (length (elmo-filter-value filter)) 0)
2170 (setq charset 'us-ascii)
2171 (elmo-imap4-detect-search-charset
2172 (elmo-filter-value filter)))
2173 set-list (elmo-imap4-make-number-set-list
2175 elmo-imap4-number-set-chop-length)
2181 (elmo-imap4-response-value
2182 (elmo-imap4-send-command-wait
2185 (if elmo-imap4-use-uid "uid ")
2189 (symbol-name charset))
2193 (if elmo-imap4-use-uid "uid ")
2194 (cdr (car set-list))
2197 (if (eq (elmo-filter-type filter)
2202 (elmo-filter-key filter)
2206 (elmo-filter-key filter))
2208 (encode-mime-charset-string
2209 (elmo-filter-value filter) charset))))
2211 (when (> length elmo-display-progress-threshold)
2212 (setq total (+ total (car (car set-list))))
2213 (elmo-display-progress
2214 'elmo-imap4-search "Searching..."
2215 (/ (* total 100) length)))
2216 (setq set-list (cdr set-list)
2217 end (null set-list)))
2220 (defun elmo-imap4-search-internal (folder session condition from-msgs)
2223 ((vectorp condition)
2224 (setq result (elmo-imap4-search-internal-primitive
2225 folder session condition from-msgs)))
2226 ((eq (car condition) 'and)
2227 (setq result (elmo-imap4-search-internal folder session (nth 1 condition)
2229 result (elmo-list-filter result
2230 (elmo-imap4-search-internal
2231 folder session (nth 2 condition)
2233 ((eq (car condition) 'or)
2234 (setq result (elmo-imap4-search-internal
2235 folder session (nth 1 condition) from-msgs)
2236 result (elmo-uniq-list
2238 (elmo-imap4-search-internal
2239 folder session (nth 2 condition) from-msgs)))
2240 result (sort result '<))))))
2242 (luna-define-method elmo-folder-search :around ((folder elmo-imap4-folder)
2243 condition &optional numbers)
2244 (if (elmo-folder-plugged-p folder)
2246 (let ((session (elmo-imap4-get-session folder)))
2247 (elmo-imap4-session-select-mailbox
2249 (elmo-imap4-folder-mailbox-internal folder))
2250 (elmo-imap4-search-internal folder session condition numbers)))
2251 (luna-call-next-method)))
2253 (luna-define-method elmo-folder-msgdb-create-plugged
2254 ((folder elmo-imap4-folder) numbers flag-table)
2256 (let ((session (elmo-imap4-get-session folder))
2259 '("Subject" "From" "To" "Cc" "Date"
2260 "Message-Id" "References" "In-Reply-To")
2261 elmo-msgdb-extra-fields))
2263 (length (length numbers))
2264 print-length print-depth
2266 (setq rfc2060 (memq 'imap4rev1
2267 (elmo-imap4-session-capability-internal
2269 (message "Getting overview...")
2270 (elmo-imap4-session-select-mailbox
2271 session (elmo-imap4-folder-mailbox-internal folder))
2272 (setq set-list (elmo-imap4-make-number-set-list
2274 elmo-imap4-overview-fetch-chop-length))
2276 (with-current-buffer (elmo-network-session-buffer session)
2277 (setq elmo-imap4-current-msgdb nil
2278 elmo-imap4-seen-messages nil
2279 elmo-imap4-fetch-callback 'elmo-imap4-fetch-callback-1
2280 elmo-imap4-fetch-callback-data (cons flag-table
2281 (elmo-folder-use-flag-p
2284 (elmo-imap4-send-command-wait
2286 ;; get overview entity from IMAP4
2287 (format "%sfetch %s (%s rfc822.size flags)"
2288 (if elmo-imap4-use-uid "uid " "")
2289 (cdr (car set-list))
2291 (format "body.peek[header.fields %s]" headers)
2292 (format "%s" headers))))
2293 (when (> length elmo-display-progress-threshold)
2294 (setq total (+ total (car (car set-list))))
2295 (elmo-display-progress
2296 'elmo-imap4-msgdb-create "Getting overview..."
2297 (/ (* total 100) length)))
2298 (setq set-list (cdr set-list)))
2299 (message "Getting overview...done")
2300 (when elmo-imap4-seen-messages
2301 (elmo-imap4-set-flag folder elmo-imap4-seen-messages "\\Seen"))
2302 elmo-imap4-current-msgdb))))
2304 (luna-define-method elmo-folder-unmark-important-plugged
2305 ((folder elmo-imap4-folder) numbers)
2306 (elmo-imap4-set-flag folder numbers "\\Flagged" 'remove))
2308 (luna-define-method elmo-folder-mark-as-important-plugged
2309 ((folder elmo-imap4-folder) numbers)
2310 (elmo-imap4-set-flag folder numbers "\\Flagged"))
2312 (luna-define-method elmo-folder-unmark-read-plugged
2313 ((folder elmo-imap4-folder) numbers)
2314 (elmo-imap4-set-flag folder numbers "\\Seen" 'remove))
2316 (luna-define-method elmo-folder-mark-as-read-plugged
2317 ((folder elmo-imap4-folder) numbers)
2318 (elmo-imap4-set-flag folder numbers "\\Seen"))
2320 (luna-define-method elmo-folder-unmark-answered-plugged
2321 ((folder elmo-imap4-folder) numbers)
2322 (elmo-imap4-set-flag folder numbers "\\Answered" 'remove))
2324 (luna-define-method elmo-folder-mark-as-answered-plugged
2325 ((folder elmo-imap4-folder) numbers)
2326 (elmo-imap4-set-flag folder numbers "\\Answered"))
2328 (luna-define-method elmo-message-use-cache-p ((folder elmo-imap4-folder)
2330 elmo-imap4-use-cache)
2332 (luna-define-method elmo-folder-message-appendable-p ((folder elmo-imap4-folder))
2333 (if (elmo-folder-plugged-p folder)
2334 (not (elmo-imap4-session-read-only-internal
2335 (elmo-imap4-get-session folder)))
2336 elmo-enable-disconnected-operation)) ; offline refile.
2338 (luna-define-method elmo-folder-check-plugged ((folder elmo-imap4-folder))
2339 (let ((session (elmo-imap4-get-session folder 'if-exists)))
2342 (elmo-imap4-session-current-mailbox-internal session)
2343 (elmo-imap4-folder-mailbox-internal folder))
2344 (if elmo-imap4-use-select-to-update-status
2345 (elmo-imap4-session-select-mailbox
2347 (elmo-imap4-folder-mailbox-internal folder)
2349 (elmo-imap4-session-check session))))))
2351 (defsubst elmo-imap4-folder-diff-plugged (folder)
2352 (let ((session (elmo-imap4-get-session folder))
2353 messages new unread response killed)
2354 ;;; (elmo-imap4-commit spec)
2355 (with-current-buffer (elmo-network-session-buffer session)
2356 (setq elmo-imap4-status-callback nil)
2357 (setq elmo-imap4-status-callback-data nil))
2359 (elmo-imap4-send-command-wait session
2363 (elmo-imap4-folder-mailbox-internal
2365 " (recent unseen messages)")))
2366 (setq response (elmo-imap4-response-value response 'status))
2367 (setq messages (elmo-imap4-response-value response 'messages))
2368 (setq killed (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder)))
2370 (setq messages (- messages
2371 (elmo-msgdb-killed-list-length
2373 (setq new (elmo-imap4-response-value response 'recent)
2374 unread (elmo-imap4-response-value response 'unseen))
2375 (if (< unread new) (setq new unread))
2376 (list new unread messages)))
2378 (luna-define-method elmo-folder-diff-plugged ((folder elmo-imap4-folder))
2379 (elmo-imap4-folder-diff-plugged folder))
2381 (luna-define-method elmo-folder-diff-async ((folder elmo-imap4-folder)
2382 &optional number-alist)
2383 (setq elmo-imap4-server-diff-async-callback
2384 elmo-folder-diff-async-callback)
2385 (setq elmo-imap4-server-diff-async-callback-data
2386 elmo-folder-diff-async-callback-data)
2387 (elmo-imap4-server-diff-async folder))
2389 (luna-define-method elmo-folder-open :around ((folder elmo-imap4-folder)
2390 &optional load-msgdb)
2391 (if (elmo-folder-plugged-p folder)
2392 (let (session mailbox msgdb result response tag)
2395 (setq session (elmo-imap4-get-session folder)
2396 mailbox (elmo-imap4-folder-mailbox-internal folder)
2397 tag (elmo-imap4-send-command session
2401 (message "Selecting %s..."
2402 (elmo-folder-name-internal folder))
2404 (setq msgdb (elmo-msgdb-load folder 'silent)))
2405 (elmo-folder-set-killed-list-internal
2407 (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder)))
2408 (if (setq result (elmo-imap4-response-ok-p
2410 (elmo-imap4-read-response session tag))))
2412 (elmo-imap4-session-set-current-mailbox-internal
2414 (elmo-imap4-session-set-read-only-internal
2416 (nth 1 (assq 'read-only (assq 'ok response)))))
2417 (elmo-imap4-session-set-current-mailbox-internal session nil)
2418 (if (elmo-imap4-response-bye-p response)
2419 (elmo-imap4-process-bye session)
2421 (elmo-imap4-response-error-text response)
2422 (format "Select %s failed" mailbox)))))
2423 (message "Selecting %s...done"
2424 (elmo-folder-name-internal folder))
2425 (elmo-folder-set-msgdb-internal
2428 (if (elmo-imap4-response-ok-p response)
2429 (elmo-imap4-session-set-current-mailbox-internal
2432 (elmo-imap4-session-set-current-mailbox-internal
2435 (if (elmo-imap4-response-ok-p response)
2436 (elmo-imap4-session-set-current-mailbox-internal
2439 (elmo-imap4-session-set-current-mailbox-internal
2441 (luna-call-next-method)))
2443 ;; elmo-folder-open-internal: do nothing.
2445 (luna-define-method elmo-find-fetch-strategy
2446 ((folder elmo-imap4-folder) entity &optional ignore-cache)
2447 (let ((number (elmo-msgdb-overview-entity-get-number entity))
2448 cache-file size message-id)
2449 (setq size (elmo-msgdb-overview-entity-get-size entity))
2450 (setq message-id (elmo-msgdb-overview-entity-get-id entity))
2451 (setq cache-file (elmo-file-cache-get message-id))
2452 (if (or ignore-cache
2453 (null (elmo-file-cache-status cache-file)))
2454 (if (and elmo-message-fetch-threshold
2456 (>= size elmo-message-fetch-threshold)
2457 (or (not elmo-message-fetch-confirm)
2458 (not (prog1 (y-or-n-p
2460 "Fetch entire message at once? (%dbytes)"
2463 ;; Fetch message as imap message.
2464 (elmo-make-fetch-strategy 'section
2466 (elmo-message-use-cache-p
2468 (elmo-file-cache-path
2470 ;; Don't use existing cache and fetch entire message at once.
2471 (elmo-make-fetch-strategy 'entire nil
2472 (elmo-message-use-cache-p
2474 (elmo-file-cache-path cache-file)))
2475 ;; Cache found and use it.
2476 (if (not ignore-cache)
2477 (if (eq (elmo-file-cache-status cache-file) 'section)
2478 ;; Fetch message with imap message.
2479 (elmo-make-fetch-strategy 'section
2481 (elmo-message-use-cache-p
2483 (elmo-file-cache-path
2485 (elmo-make-fetch-strategy 'entire
2487 (elmo-message-use-cache-p
2489 (elmo-file-cache-path
2492 (luna-define-method elmo-folder-create-plugged ((folder elmo-imap4-folder))
2493 (elmo-imap4-send-command-wait
2494 (elmo-imap4-get-session folder)
2497 (elmo-imap4-folder-mailbox-internal folder)))))
2499 (luna-define-method elmo-folder-append-buffer
2500 ((folder elmo-imap4-folder) &optional flag number)
2501 (if (elmo-folder-plugged-p folder)
2502 (let ((session (elmo-imap4-get-session folder))
2504 (elmo-imap4-session-select-mailbox session
2505 (elmo-imap4-folder-mailbox-internal
2507 (setq send-buffer (elmo-imap4-setup-send-buffer))
2510 (elmo-imap4-send-command-wait
2514 (elmo-imap4-mailbox (elmo-imap4-folder-mailbox-internal
2517 ((eq flag 'read) " (\\Seen) ")
2518 ((eq flag 'answered) " (\\Answered)")
2520 (elmo-imap4-buffer-literal send-buffer))))
2521 (kill-buffer send-buffer))
2524 (if elmo-enable-disconnected-operation
2525 (elmo-folder-append-buffer-dop folder flag number)
2526 (error "Unplugged"))))
2529 (defmacro elmo-imap4-identical-system-p (folder1 folder2)
2530 "Return t if FOLDER1 and FOLDER2 are in the same IMAP4 system."
2531 (` (and (string= (elmo-net-folder-server-internal (, folder1))
2532 (elmo-net-folder-server-internal (, folder2)))
2533 (eq (elmo-net-folder-port-internal (, folder1))
2534 (elmo-net-folder-port-internal (, folder2)))
2535 (string= (elmo-net-folder-user-internal (, folder1))
2536 (elmo-net-folder-user-internal (, folder2)))))))
2538 (luna-define-method elmo-folder-append-messages :around
2539 ((folder elmo-imap4-folder) src-folder numbers &optional same-number)
2540 (if (and (eq (elmo-folder-type-internal src-folder) 'imap4)
2541 (elmo-imap4-identical-system-p folder src-folder)
2542 (elmo-folder-plugged-p folder))
2545 (elmo-imap4-copy-messages src-folder folder numbers)
2546 (elmo-progress-notify 'elmo-folder-move-messages (length numbers)))
2547 (luna-call-next-method)))
2549 (luna-define-method elmo-message-deletable-p ((folder elmo-imap4-folder)
2551 (if (elmo-folder-plugged-p folder)
2552 (not (elmo-imap4-session-read-only-internal
2553 (elmo-imap4-get-session folder)))
2554 elmo-enable-disconnected-operation)) ; offline refile.
2556 ;(luna-define-method elmo-message-fetch-unplugged
2557 ; ((folder elmo-imap4-folder)
2558 ; number strategy &optional section outbuf unseen)
2559 ; (error "%d%s is not cached." number (if section
2560 ; (format "(%s)" section)
2563 (defsubst elmo-imap4-message-fetch (folder number strategy
2564 section outbuf unseen)
2565 (let ((session (elmo-imap4-get-session folder))
2567 (elmo-imap4-session-select-mailbox session
2568 (elmo-imap4-folder-mailbox-internal
2570 (with-current-buffer (elmo-network-session-buffer session)
2571 (setq elmo-imap4-fetch-callback nil)
2572 (setq elmo-imap4-fetch-callback-data nil))
2573 (unless elmo-inhibit-display-retrieval-progress
2574 (setq elmo-imap4-display-literal-progress t))
2577 (elmo-imap4-send-command-wait session
2579 (if elmo-imap4-use-uid
2580 "uid fetch %s body%s[%s]"
2581 "fetch %s body%s[%s]")
2583 (if unseen ".peek" "")
2586 (setq elmo-imap4-display-literal-progress nil))
2587 (unless elmo-inhibit-display-retrieval-progress
2588 (elmo-display-progress 'elmo-imap4-display-literal-progress
2589 "Retrieving..." 100) ; remove progress bar.
2590 (message "Retrieving...done"))
2591 (if (setq response (elmo-imap4-response-bodydetail-text
2592 (elmo-imap4-response-value-all
2594 (with-current-buffer outbuf
2599 (luna-define-method elmo-message-fetch-plugged ((folder elmo-imap4-folder)
2603 (elmo-imap4-message-fetch folder number strategy section outbuf unseen))
2605 (luna-define-method elmo-message-fetch-field ((folder elmo-imap4-folder)
2607 (let ((session (elmo-imap4-get-session folder)))
2608 (elmo-imap4-session-select-mailbox session
2609 (elmo-imap4-folder-mailbox-internal
2611 (with-current-buffer (elmo-network-session-buffer session)
2612 (setq elmo-imap4-fetch-callback nil)
2613 (setq elmo-imap4-fetch-callback-data nil))
2616 (elmo-imap4-response-bodydetail-text
2617 (elmo-imap4-response-value
2618 (elmo-imap4-send-command-wait session
2620 (if elmo-imap4-use-uid
2623 "fetch %s (body.peek[header.fields (%s)])"
2626 (elmo-delete-cr-buffer)
2627 (goto-char (point-min))
2628 (std11-field-body (symbol-name field)))))
2630 (luna-define-method elmo-folder-search-requires-msgdb-p ((folder
2636 (product-provide (provide 'elmo-imap4) (require 'elmo-version))
2638 ;;; elmo-imap4.el ends here