;;; nnimap.el --- imap backend for Gnus
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
-;; Free Software Foundation, Inc.
+
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+;; 2005, 2006 Free Software Foundation, Inc.
;; Author: Simon Josefsson <jas@pdc.kth.se>
;; Jim Radford <radford@robby.caltech.edu>
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
"Whether to download entire articles during splitting.
This is generally not required, and will slow things down considerably.
You may need it if you want to use an advanced splitting function that
-analyses the body before splitting the article.
+analyzes the body before splitting the article.
If this variable is nil, bodies will not be downloaded; if this
variable is the symbol `default' the default behaviour is
used (which currently is nil, unless you use a statistical
spam.el test); if this variable is another non-nil value bodies
will be downloaded."
+ :version "22.1"
:group 'nnimap
:type '(choice (const :tag "Let system decide" deault)
boolean))
(defcustom nnimap-close-asynchronous t
"Close mailboxes asynchronously in `nnimap-close-group'.
-This means that errors cought by nnimap when closing the mailbox will
+This means that errors caught by nnimap when closing the mailbox will
not prevent Gnus from updating the group status, which may be harmful.
However, it increases speed."
+ :version "22.1"
:type 'boolean
:group 'nnimap)
This increases the speed of closing mailboxes (quiting group) but may
decrease the speed of selecting another mailbox later. Re-selecting
the same mailbox will be faster though."
+ :version "22.1"
:type 'boolean
:group 'nnimap)
In summary, the default is O((1-p)*k+p*n) and changing it to nil makes
it O(n). If p is small, then the default is probably faster."
+ :version "22.1"
:type 'boolean
:group 'nnimap)
Unlike other backends, you do not need to take special care if you
flip this variable.")
+(defvoo nnimap-search-uids-not-since-is-evil nil
+ "If non-nil, avoid \"UID SEARCH UID ... NOT SINCE\" queries when expiring.
+Instead, use \"UID SEARCH SINCE\" to prune the list of expirable
+articles within Gnus. This seems to be faster on Courier in some cases.")
+
(defvoo nnimap-expunge-on-close 'always ; 'ask, 'never
"Whether to expunge a group when it is closed.
When a IMAP group with articles marked for deletion is closed, this
(plist :key-type string :value-type string)))
(defcustom nnimap-debug nil
- "If non-nil, random debug spews are placed in *nnimap-debug* buffer."
+ "If non-nil, random debug spews are placed in *nnimap-debug* buffer.
+Note that username, passwords and other privacy sensitive
+information (such as e-mail) may be stored in the *nnimap-debug*
+buffer. It is not written to disk, however. Do not enable this
+variable unless you are comfortable with that."
:group 'nnimap
:type 'boolean)
"Return buffer for SERVER, if nil use current server."
(cadr (assoc (or server nnimap-current-server) nnimap-server-buffer-alist)))
+(defun nnimap-remove-server-from-buffer-alist (server list)
+ "Remove SERVER from LIST."
+ (let (l)
+ (dolist (e list)
+ (unless (equal server (car-safe e))
+ (push e l)))
+ l))
+
(defun nnimap-possibly-change-server (server)
"Return buffer for SERVER, changing the current server as a side-effect.
If SERVER is nil, uses the current server."
(if (imap-capability 'IMAP4rev1)
(format "BODY.PEEK[HEADER.FIELDS %s])" headers)
(format "RFC822.HEADER.LINES %s)" headers)))))
+ (with-current-buffer nntp-server-buffer
+ (sort-numeric-fields 1 (point-min) (point-max)))
(and (numberp nnmail-large-newsgroup)
(> nnimap-length nnmail-large-newsgroup)
(nnheader-message 6 "nnimap: Retrieving headers...done")))))
(imap-capability 'IMAP4rev1 nnimap-server-buffer))
(imap-close nnimap-server-buffer)
(nnheader-report 'nnimap "Server %s is not IMAP4 compliant" server))
- (let* ((list (netrc-parse nnimap-authinfo-file))
- (port (if nnimap-server-port
- (int-to-string nnimap-server-port)
- "imap"))
- (alist (or (netrc-machine list server port "imap")
- (netrc-machine list
- (or nnimap-server-address
- nnimap-address)
- port "imap")
- (netrc-machine list server port "imaps")
- (netrc-machine list
- (or nnimap-server-address
- nnimap-address)
- port "imaps")))
- (user (netrc-get alist "login"))
- (passwd (netrc-get alist "password")))
+ (let* ((list (progn (gnus-message 7 "Parsing authinfo file `%s'."
+ nnimap-authinfo-file)
+ (netrc-parse nnimap-authinfo-file)))
+ (port (if nnimap-server-port
+ (int-to-string nnimap-server-port)
+ "imap"))
+ (user (netrc-machine-user-or-password
+ "login"
+ list
+ (list server
+ (or nnimap-server-address
+ nnimap-address))
+ (list port)
+ (list "imap" "imaps")))
+ (passwd (netrc-machine-user-or-password
+ "password"
+ list
+ (list server
+ (or nnimap-server-address
+ nnimap-address))
+ (list port)
+ (list "imap" "imaps"))))
(if (imap-authenticate user passwd nnimap-server-buffer)
- (prog1
+ (prog2
+ (setq nnimap-server-buffer-alist
+ (nnimap-remove-server-from-buffer-alist
+ server
+ nnimap-server-buffer-alist))
(push (list server nnimap-server-buffer)
nnimap-server-buffer-alist)
(imap-id nnimap-id nnimap-server-buffer)
(or (and nnimap-server-buffer
(imap-opened nnimap-server-buffer)
(if (with-current-buffer nnimap-server-buffer
- (memq imap-state '(auth select examine)))
+ (memq imap-state '(auth selected examine)))
t
(imap-close nnimap-server-buffer)
(nnimap-open-connection server)))
(setq nnimap-server-buffer nil
nnimap-current-server nil
nnimap-server-buffer-alist
- (delq server nnimap-server-buffer-alist)))
+ (nnimap-remove-server-from-buffer-alist
+ server
+ nnimap-server-buffer-alist)))
(nnoo-close-server 'nnimap server)))
(deffoo nnimap-request-close ()
(defun nnimap-make-callback (article gnus-callback buffer)
"Return a callback function."
- `(lambda ()
+ `(lambda ()
(nnimap-callback ,article ,gnus-callback ,buffer)))
(defun nnimap-callback (article gnus-callback buffer)
(imap-error-text nnimap-server-buffer))
(cons group article)))
(add-hook 'imap-fetch-data-hook
- (nnimap-make-callback article
- nnheader-callback-function
+ (nnimap-make-callback article
+ nnheader-callback-function
nntp-server-buffer))
(imap-fetch-asynch article part nil nnimap-server-buffer)
(cons group article))))))
"Update the unseen count in `nnimap-mailbox-info'."
(gnus-sethash
(gnus-group-prefixed-name group server)
- (let ((old (gnus-gethash-safe (gnus-group-prefixed-name group server)
+ (let ((old (gnus-gethash-safe (gnus-group-prefixed-name group server)
nnimap-mailbox-info)))
(list (nth 0 old) (nth 1 old)
(imap-mailbox-status group 'unseen nnimap-server-buffer)
'asyncgroups
'slowgroups)
(list group (imap-mailbox-status-asynch
- group '(uidvalidity uidnext unseen)
+ group '(uidvalidity uidnext unseen)
nnimap-server-buffer))))
(dolist (asyncgroup asyncgroups)
(let ((group (nth 0 asyncgroup))
(nth 0 (gnus-gethash (gnus-group-prefixed-name
group server)
nnimap-mailbox-info))
- (imap-mailbox-get 'uidvalidity group
+ (imap-mailbox-get 'uidvalidity group
nnimap-server-buffer)))
(not (string=
(nth 1 (gnus-gethash (gnus-group-prefixed-name
(let (seen unseen)
;; read info could contain articles marked unread by other
;; imap clients! we correct this
- (setq seen (gnus-uncompress-range (gnus-info-read info))
- unseen (imap-search "UNSEEN UNDELETED")
- seen (gnus-set-difference seen unseen)
- ;; seen might lack articles marked as read by other
- ;; imap clients! we correct this
- seen (append seen (imap-search "SEEN"))
- ;; remove dupes
- seen (sort seen '<)
- seen (gnus-compress-sequence seen t)
- ;; we can't return '(1) since this isn't a "list of ranges",
- ;; and we can't return '((1)) since g-list-of-unread-articles
- ;; is buggy so we return '((1 . 1)).
+ (setq unseen (gnus-compress-sequence
+ (imap-search "UNSEEN UNDELETED"))
+ seen (gnus-range-difference (gnus-info-read info) unseen)
+ seen (gnus-range-add seen
+ (gnus-compress-sequence
+ (imap-search "SEEN")))
seen (if (and (integerp (car seen))
(null (cdr seen)))
(list (cons (car seen) (car seen)))
(let (msgid)
(and (setq msgid
(nnmail-fetch-field "message-id"))
- (nnmail-cache-insert msgid
+ (nnmail-cache-insert msgid
to-group
(nnmail-fetch-field "subject"))))))
;; Add the group-art list to the history list.
(list (- ms 1) (+ (expt 2 16) ls))
(list ms ls))))
+(eval-when-compile (require 'parse-time))
(defun nnimap-date-days-ago (daysago)
"Return date, in format \"3-Aug-1998\", for DAYSAGO days ago."
+ (require 'parse-time)
(let* ((time (nnimap-time-substract (current-time) (days-to-time daysago)))
(date (format-time-string
(format "%%d-%s-%%Y"
nnmail-expiry-wait)))
(cond ((or force (eq days 'immediate))
(let ((oldarts (imap-search
- (concat "UID "
+ (concat "UID "
(imap-range-to-message-set artseq)))))
(when oldarts
(nnimap-expiry-target oldarts group server)
(when (imap-message-flags-add
- (imap-range-to-message-set
+ (imap-range-to-message-set
(gnus-compress-sequence oldarts)) "\\Deleted")
(setq articles (gnus-set-difference
articles oldarts))))))
+ ((and nnimap-search-uids-not-since-is-evil (numberp days))
+ (let* ((all-new-articles
+ (gnus-compress-sequence
+ (imap-search (format "SINCE %s"
+ (nnimap-date-days-ago days)))))
+ (oldartseq
+ (gnus-range-difference artseq all-new-articles))
+ (oldarts (gnus-uncompress-range oldartseq)))
+ (when oldarts
+ (nnimap-expiry-target oldarts group server)
+ (when (imap-message-flags-add
+ (imap-range-to-message-set oldartseq)
+ "\\Deleted")
+ (setq articles (gnus-set-difference
+ articles oldarts))))))
((numberp days)
(let ((oldarts (imap-search
(format nnimap-expunge-search-string
(when oldarts
(nnimap-expiry-target oldarts group server)
(when (imap-message-flags-add
- (imap-range-to-message-set
+ (imap-range-to-message-set
(gnus-compress-sequence oldarts)) "\\Deleted")
- (setq articles (gnus-set-difference
+ (setq articles (gnus-set-difference
articles oldarts)))))))))))
;; return articles not deleted
articles)
-(deffoo nnimap-request-move-article (article group server
- accept-form &optional last)
+(deffoo nnimap-request-move-article (article group server accept-form
+ &optional last move-is-internal)
(when (nnimap-possibly-change-server server)
(save-excursion
(let ((buf (get-buffer-create " *nnimap move*"))
(nnimap-current-move-group group)
(nnimap-current-move-server nnimap-current-server)
result)
- (and (nnimap-request-article article group server)
+ (gnus-message 10 "nnimap-request-move-article: this is an %s move"
+ (if move-is-internal
+ "internal"
+ "external"))
+ ;; request the article only when the move is NOT internal
+ (and (or move-is-internal
+ (nnimap-request-article article group server))
(save-excursion
(set-buffer buf)
(buffer-disable-undo (current-buffer))
(setq result (eval accept-form))
(kill-buffer buf)
result)
+ (nnimap-possibly-change-group group server)
(imap-message-flags-add
(imap-range-to-message-set (list article))
"\\Deleted" 'silent nnimap-server-buffer))