;;; nnimap.el --- IMAP interface for Gnus
-;; Copyright (C) 2010 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2011 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Simon Josefsson <simon@josefsson.org>
;;; Code:
+;; For Emacs <22.2 and XEmacs.
+(eval-and-compile
+ (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
+
(eval-and-compile
(require 'nnheader))
(require 'gnus)
(require 'nnoo)
(require 'netrc)
+(require 'utf7)
+(require 'tls)
(require 'parse-time)
+(require 'nnmail)
+(require 'proto-stream)
+
+(autoload 'auth-source-forget-user-or-password "auth-source")
+(autoload 'auth-source-user-or-password "auth-source")
(nnoo-declare nnimap)
If nnimap-stream is `ssl', this will default to `imaps'. If not,
it will default to `imap'.")
-(defvoo nnimap-stream 'ssl
+(defvoo nnimap-stream 'undecided
"How nnimap will talk to the IMAP server.
-Values are `ssl', `network', `starttls' or `shell'.")
+Values are `ssl', `network', `starttls' or `shell'.
+The default is to try `ssl' first, and then `network'.")
(defvoo nnimap-shell-program (if (boundp 'imap-shell-program)
(if (listp imap-shell-program)
(defvoo nnimap-inbox nil
"The mail box where incoming mail arrives and should be split out of.")
+(defvoo nnimap-split-methods nil
+ "How mail is split.
+Uses the same syntax as nnmail-split-methods")
+
+(defvoo nnimap-split-fancy nil
+ "Uses the same syntax as nnmail-split-fancy.")
+
+(defvoo nnimap-unsplittable-articles '(%Deleted %Seen)
+ "Articles with the flags in the list will not be considered when splitting.")
+
+(make-obsolete-variable 'nnimap-split-rule "see `nnimap-split-methods'"
+ "Emacs 24.1")
+
(defvoo nnimap-authenticator nil
"How nnimap authenticate itself to the server.
Possible choices are nil (use default methods) or `anonymous'.")
-(defvoo nnimap-fetch-partial-articles nil
- "If non-nil, nnimap will fetch partial articles.
-If t, nnimap will fetch only the first part. If a string, it
-will fetch all parts that have types that match that string. A
-likely value would be \"text/\" to automatically fetch all
-textual parts.")
-
(defvoo nnimap-expunge t
"If non-nil, expunge articles after deleting them.
This is always done if the server supports UID EXPUNGE, but it's
not done by default on servers that doesn't support that command.")
+(defvoo nnimap-streaming t
+ "If non-nil, try to use streaming commands with IMAP servers.
+Switching this off will make nnimap slower, but it helps with
+some servers.")
(defvoo nnimap-connection-alist nil)
(defvoo nnimap-current-infos nil)
+(defvoo nnimap-fetch-partial-articles nil
+ "If non-nil, Gnus will fetch partial articles.
+If t, nnimap will fetch only the first part. If a string, it
+will fetch all parts that have types that match that string. A
+likely value would be \"text/\" to automatically fetch all
+textual parts.")
+
(defvar nnimap-process nil)
(defvar nnimap-status-string "")
(defstruct nnimap
group process commands capabilities select-result newlinep server
- last-command-time)
+ last-command-time greeting examined stream-type)
(defvar nnimap-object nil)
(download "gnus-download")
(forward "gnus-forward")))
-(defvar nnimap-split-methods nil)
+(defvar nnimap-quirks
+ '(("QRESYNC" "Zimbra" "QRESYNC ")))
(defun nnimap-buffer ()
(nnimap-find-process-buffer nntp-server-buffer))
+(defun nnimap-header-parameters ()
+ (format "(UID RFC822.SIZE BODYSTRUCTURE %s)"
+ (format
+ (if (nnimap-ver4-p)
+ "BODY.PEEK[HEADER.FIELDS %s]"
+ "RFC822.HEADER.LINES %s")
+ (append '(Subject From Date Message-Id
+ References In-Reply-To Xref)
+ nnmail-extra-headers))))
+
(deffoo nnimap-retrieve-headers (articles &optional group server fetch-old)
(with-current-buffer nntp-server-buffer
(erase-buffer)
(when (nnimap-possibly-change-group group server)
(with-current-buffer (nnimap-buffer)
- (nnimap-send-command "SELECT %S" (utf7-encode group t))
(erase-buffer)
(nnimap-wait-for-response
(nnimap-send-command
"UID FETCH %s %s"
(nnimap-article-ranges (gnus-compress-sequence articles))
- (format "(UID RFC822.SIZE BODYSTRUCTURE %s)"
- (format
- (if (nnimap-ver4-p)
- "BODY.PEEK[HEADER.FIELDS %s]"
- "RFC822.HEADER.LINES %s")
- (append '(Subject From Date Message-Id
- References In-Reply-To Xref)
- nnmail-extra-headers))))
+ (nnimap-header-parameters))
t)
- (nnimap-transform-headers))
+ (nnimap-transform-headers)
+ (nnheader-remove-cr-followed-by-lf))
(insert-buffer-substring
(nnimap-find-process-buffer (current-buffer))))
'headers))
(return)))
(setq article (match-string 1))
;; Unfold quoted {number} strings.
- (while (re-search-forward "[^]] {\\([0-9]+\\)}\r\n"
+ (while (re-search-forward "[^]][ (]{\\([0-9]+\\)}\r?\n"
(1+ (line-end-position)) t)
(setq size (string-to-number (match-string 1)))
(delete-region (+ (match-beginning 0) 2) (point))
- (setq string (delete-region (point) (+ (point) size)))
+ (setq string (buffer-substring (point) (+ (point) size)))
+ (delete-region (point) (+ (point) size))
(insert (format "%S" string)))
(setq bytes (nnimap-get-length)
lines nil)
(insert (format "Chars: %s\n" size)))
(when lines
(insert (format "Lines: %s\n" lines)))
- (re-search-forward "^\r$")
+ (unless (re-search-forward "^\r$" nil t)
+ (goto-char (point-max)))
(delete-region (line-beginning-position) (line-end-position))
(insert ".")
(forward-line 1)))))
+(defun nnimap-unfold-quoted-lines ()
+ ;; Unfold quoted {number} strings.
+ (let (size string)
+ (while (re-search-forward " {\\([0-9]+\\)}\r?\n" nil t)
+ (setq size (string-to-number (match-string 1)))
+ (delete-region (1+ (match-beginning 0)) (point))
+ (setq string (buffer-substring (point) (+ (point) size)))
+ (delete-region (point) (+ (point) size))
+ (insert (format "%S" string)))))
+
(defun nnimap-get-length ()
(and (re-search-forward "{\\([0-9]+\\)}" (line-end-position) t)
(string-to-number (match-string 1))))
(push (current-buffer) nnimap-process-buffers)
(current-buffer)))
-(defun nnimap-open-shell-stream (name buffer host port)
- (let ((process-connection-type nil))
- (start-process name buffer shell-file-name
- shell-command-switch
- (format-spec
- nnimap-shell-program
- (format-spec-make
- ?s host
- ?p port)))))
-
-(defun nnimap-credentials (address ports)
+(defun nnimap-credentials (address ports &optional inhibit-create)
(let (port credentials)
;; Request the credentials from all ports, but only query on the
;; last port if all the previous ones have failed.
(setq port (pop ports)))
(setq credentials
(auth-source-user-or-password
- '("login" "password") address port nil (null ports))))
+ '("login" "password") address port nil
+ (if inhibit-create
+ nil
+ (null ports)))))
credentials))
(defun nnimap-keepalive ()
(with-current-buffer buffer
(when (and nnimap-object
(nnimap-last-command-time nnimap-object)
- (> (time-to-seconds
+ (> (gnus-float-time
(time-subtract
now
(nnimap-last-command-time nnimap-object)))
(nnimap-send-command "NOOP")))))))
(defun nnimap-open-connection (buffer)
+ ;; Be backwards-compatible -- the earlier value of nnimap-stream was
+ ;; `ssl' when nnimap-server-port was nil. Sort of.
+ (when (and nnimap-server-port
+ (eq nnimap-stream 'undecided))
+ (setq nnimap-stream 'ssl))
+ (let ((stream
+ (if (eq nnimap-stream 'undecided)
+ (loop for type in '(ssl network)
+ for stream = (let ((nnimap-stream type))
+ (nnimap-open-connection-1 buffer))
+ while (eq stream 'no-connect)
+ finally (return stream))
+ (nnimap-open-connection-1 buffer))))
+ (if (eq stream 'no-connect)
+ nil
+ stream)))
+
+(defun nnimap-open-connection-1 (buffer)
(unless nnimap-keepalive-timer
(setq nnimap-keepalive-timer (run-at-time (* 60 15) (* 60 15)
'nnimap-keepalive)))
(with-current-buffer (nnimap-make-process-buffer buffer)
(let* ((coding-system-for-read 'binary)
(coding-system-for-write 'binary)
+ (port nil)
(ports
(cond
- ((eq nnimap-stream 'network)
- (open-network-stream
- "*nnimap*" (current-buffer) nnimap-address
- (or nnimap-server-port
- (if (netrc-find-service-number "imap")
- "imap"
- "143")))
+ ((or (eq nnimap-stream 'network)
+ (eq nnimap-stream 'starttls))
+ (nnheader-message 7 "Opening connection to %s..."
+ nnimap-address)
'("143" "imap"))
((eq nnimap-stream 'shell)
- (nnimap-open-shell-stream
- "*nnimap*" (current-buffer) nnimap-address
- (or nnimap-server-port "imap"))
- '("imap"))
- ((eq nnimap-stream 'starttls)
- (starttls-open-stream
- "*nnimap*" (current-buffer) nnimap-address
- (or nnimap-server-port "imap"))
+ (nnheader-message 7 "Opening connection to %s via shell..."
+ nnimap-address)
'("imap"))
- ((eq nnimap-stream 'ssl)
- (open-tls-stream
- "*nnimap*" (current-buffer) nnimap-address
- (or nnimap-server-port
- (if (netrc-find-service-number "imaps")
- "imaps"
- "993")))
- '("143" "993" "imap" "imaps"))))
- connection-result login-result credentials)
- (setf (nnimap-process nnimap-object)
- (get-buffer-process (current-buffer)))
- (when (and (nnimap-process nnimap-object)
- (memq (process-status (nnimap-process nnimap-object))
- '(open run)))
- (gnus-set-process-query-on-exit-flag (nnimap-process nnimap-object) nil)
- (when (setq connection-result (nnimap-wait-for-connection))
- (when (eq nnimap-stream 'starttls)
- (nnimap-command "STARTTLS")
- (starttls-negotiate (nnimap-process nnimap-object)))
- (unless (equal connection-result "PREAUTH")
- (if (not (setq credentials
- (if (eq nnimap-authenticator 'anonymous)
- (list "anonymous"
- (message-make-address))
- (nnimap-credentials
- nnimap-address
- (if nnimap-server-port
- (cons (format "%s" nnimap-server-port) ports)
- ports)))))
- (setq nnimap-object nil)
- (setq login-result (nnimap-command "LOGIN %S %S"
- (car credentials)
- (cadr credentials)))
- (unless (car login-result)
- (delete-process (nnimap-process nnimap-object))
- (setq nnimap-object nil))))
- (when nnimap-object
+ ((memq nnimap-stream '(ssl tls))
+ (nnheader-message 7 "Opening connection to %s via tls..."
+ nnimap-address)
+ '("143" "993" "imap" "imaps"))
+ (t
+ (error "Unknown stream type: %s" nnimap-stream))))
+ (proto-stream-always-use-starttls t)
+ login-result credentials)
+ (when nnimap-server-port
+ (setq ports (append ports (list nnimap-server-port))))
+ (destructuring-bind (stream greeting capabilities stream-type)
+ (open-protocol-stream
+ "*nnimap*" (current-buffer) nnimap-address (car (last ports))
+ :type nnimap-stream
+ :shell-command nnimap-shell-program
+ :capability-command "1 CAPABILITY\r\n"
+ :success " OK "
+ :starttls-function
+ (lambda (capabilities)
+ (when (gnus-string-match-p "STARTTLS" capabilities)
+ "1 STARTTLS\r\n")))
+ (setf (nnimap-process nnimap-object) stream)
+ (setf (nnimap-stream-type nnimap-object) stream-type)
+ (if (not stream)
+ (progn
+ (nnheader-report 'nnimap "Unable to contact %s:%s via %s"
+ nnimap-address port nnimap-stream)
+ 'no-connect)
+ (gnus-set-process-query-on-exit-flag stream nil)
+ (if (not (gnus-string-match-p "[*.] \\(OK\\|PREAUTH\\)" greeting))
+ (nnheader-report 'nnimap "%s" greeting)
+ ;; Store the greeting (for debugging purposes).
+ (setf (nnimap-greeting nnimap-object) greeting)
(setf (nnimap-capabilities nnimap-object)
- (mapcar
- #'upcase
- (or (nnimap-find-parameter "CAPABILITY" (cdr login-result))
- (nnimap-find-parameter
- "CAPABILITY" (cdr (nnimap-command "CAPABILITY"))))))
- (when (member "QRESYNC" (nnimap-capabilities nnimap-object))
- (nnimap-command "ENABLE QRESYNC"))
- t))))))
+ (mapcar #'upcase
+ (split-string capabilities)))
+ (unless (gnus-string-match-p "[*.] PREAUTH" greeting)
+ (if (not (setq credentials
+ (if (eq nnimap-authenticator 'anonymous)
+ (list "anonymous"
+ (message-make-address))
+ (or
+ ;; First look for the credentials based
+ ;; on the virtual server name.
+ (nnimap-credentials
+ (nnoo-current-server 'nnimap) ports t)
+ ;; Then look them up based on the
+ ;; physical address.
+ (nnimap-credentials nnimap-address ports)))))
+ (setq nnimap-object nil)
+ (setq login-result
+ (nnimap-login (car credentials) (cadr credentials)))
+ (unless (car login-result)
+ ;; If the login failed, then forget the credentials
+ ;; that are now possibly cached.
+ (dolist (host (list (nnoo-current-server 'nnimap)
+ nnimap-address))
+ (dolist (port ports)
+ (dolist (element '("login" "password"))
+ (auth-source-forget-user-or-password
+ element host port))))
+ (delete-process (nnimap-process nnimap-object))
+ (setq nnimap-object nil))))
+ (when nnimap-object
+ (when (nnimap-capability "QRESYNC")
+ (nnimap-command "ENABLE QRESYNC"))
+ (nnimap-process nnimap-object))))))))
+
+(autoload 'rfc2104-hash "rfc2104")
+
+(defun nnimap-login (user password)
+ (cond
+ ;; Prefer plain LOGIN if it's enabled (since it requires fewer
+ ;; round trips than CRAM-MD5, and it's less likely to be buggy),
+ ;; and we're using an encrypted connection.
+ ((and (not (nnimap-capability "LOGINDISABLED"))
+ (eq (nnimap-stream-type nnimap-object) 'tls))
+ (nnimap-command "LOGIN %S %S" user password))
+ ((nnimap-capability "AUTH=CRAM-MD5")
+ (erase-buffer)
+ (let ((sequence (nnimap-send-command "AUTHENTICATE CRAM-MD5"))
+ (challenge (nnimap-wait-for-line "^\\+\\(.*\\)\n")))
+ (process-send-string
+ (get-buffer-process (current-buffer))
+ (concat
+ (base64-encode-string
+ (concat user " "
+ (rfc2104-hash 'md5 64 16 password
+ (base64-decode-string challenge))))
+ "\r\n"))
+ (nnimap-wait-for-response sequence)))
+ ((not (nnimap-capability "LOGINDISABLED"))
+ (nnimap-command "LOGIN %S %S" user password))
+ ((nnimap-capability "AUTH=PLAIN")
+ (nnimap-command
+ "AUTHENTICATE PLAIN %s"
+ (base64-encode-string
+ (format "\000%s\000%s"
+ (nnimap-quote-specials user)
+ (nnimap-quote-specials password)))))))
+
+(defun nnimap-quote-specials (string)
+ (with-temp-buffer
+ (insert string)
+ (goto-char (point-min))
+ (while (re-search-forward "[\\\"]" nil t)
+ (forward-char -1)
+ (insert "\\")
+ (forward-char 1))
+ (buffer-string)))
(defun nnimap-find-parameter (parameter elems)
(let (result)
result))
(deffoo nnimap-close-server (&optional server)
- t)
+ (when (nnoo-change-server 'nnimap server nil)
+ (ignore-errors
+ (delete-process (get-buffer-process (nnimap-buffer))))
+ (nnoo-close-server 'nnimap server)
+ t))
(deffoo nnimap-request-close ()
t)
(with-current-buffer (nnimap-buffer)
(erase-buffer)
(when nnimap-fetch-partial-articles
- (if (eq nnimap-fetch-partial-articles t)
- (setq parts '(1))
- (nnimap-command "UID FETCH %d (BODYSTRUCTURE)" article)
- (goto-char (point-min))
- (when (re-search-forward "FETCH.*BODYSTRUCTURE" nil t)
- (setq structure (ignore-errors (read (current-buffer)))
- parts (nnimap-find-wanted-parts structure)))))
+ (nnimap-command "UID FETCH %d (BODYSTRUCTURE)" article)
+ (goto-char (point-min))
+ (when (re-search-forward "FETCH.*BODYSTRUCTURE" nil t)
+ (setq structure (ignore-errors
+ (let ((start (point)))
+ (forward-sexp 1)
+ (downcase-region start (point))
+ (goto-char start)
+ (read (current-buffer))))
+ parts (nnimap-find-wanted-parts structure))))
(when (if parts
(nnimap-get-partial-article article parts structure)
(nnimap-get-whole-article article))
(nnheader-ms-strip-cr)
(cons group article)))))))))
-(defun nnimap-get-whole-article (article)
+(deffoo nnimap-request-head (article &optional group server to-buffer)
+ (when (nnimap-possibly-change-group group server)
+ (with-current-buffer (nnimap-buffer)
+ (when (stringp article)
+ (setq article (nnimap-find-article-by-message-id group article)))
+ (if (null article)
+ nil
+ (nnimap-get-whole-article
+ article (format "UID FETCH %%d %s"
+ (nnimap-header-parameters)))
+ (let ((buffer (current-buffer)))
+ (with-current-buffer (or to-buffer nntp-server-buffer)
+ (erase-buffer)
+ (insert-buffer-substring buffer)
+ (nnheader-ms-strip-cr)
+ (cons group article)))))))
+
+(defun nnimap-get-whole-article (article &optional command)
(let ((result
(nnimap-command
- (if (nnimap-ver4-p)
- "UID FETCH %d BODY.PEEK[]"
- "UID FETCH %d RFC822.PEEK")
+ (or command
+ (if (nnimap-ver4-p)
+ "UID FETCH %d BODY.PEEK[]"
+ "UID FETCH %d RFC822.PEEK"))
article)))
;; Check that we really got an article.
(goto-char (point-min))
- (unless (looking-at "\\* [0-9]+ FETCH")
+ (unless (re-search-forward "\\* [0-9]+ FETCH" nil t)
(setq result nil))
(when result
- (goto-char (point-min))
+ ;; Remove any data that may have arrived before the FETCH data.
+ (beginning-of-line)
+ (unless (bobp)
+ (delete-region (point-min) (point)))
(let ((bytes (nnimap-get-length)))
(delete-region (line-beginning-position)
(progn (forward-line 1) (point)))
(delete-region (point) (point-max)))
t)))
+(defun nnimap-capability (capability)
+ (member capability (nnimap-capabilities nnimap-object)))
+
(defun nnimap-ver4-p ()
- (member "IMAP4REV1" (nnimap-capabilities nnimap-object)))
+ (nnimap-capability "IMAP4REV1"))
(defun nnimap-get-partial-article (article parts structure)
(let ((result
;; Collect all the body parts.
(while (looking-at ".*BODY\\[\\([.0-9]+\\)\\]")
(setq id (match-string 1)
- bytes (nnimap-get-length))
+ bytes (or (nnimap-get-length) 0))
(beginning-of-line)
(delete-region (point) (progn (forward-line 1) (point)))
(push (list id (buffer-substring (point) (+ (point) bytes)))
t))
(defun nnimap-insert-partial-structure (structure parts &optional subp)
- (let ((type (car (last structure 4)))
- (boundary (cadr (member "BOUNDARY" (car (last structure 3))))))
+ (let (type boundary)
+ (let ((bstruc structure))
+ (while (consp (car bstruc))
+ (pop bstruc))
+ (setq type (car bstruc))
+ (setq bstruc (car (cdr bstruc)))
+ (let ((has-boundary (member "boundary" bstruc)))
+ (when has-boundary
+ (setq boundary (cadr has-boundary)))))
(when subp
(insert (format "Content-type: multipart/%s; boundary=%S\n\n"
(downcase type) boundary)))
(number-to-string num)
(format "%s.%s" prefix num))))
(setcar (nthcdr 9 sub) id)
- (when (string-match nnimap-fetch-partial-articles type)
+ (when (if (eq nnimap-fetch-partial-articles t)
+ (equal id "1")
+ (string-match nnimap-fetch-partial-articles type))
(push id parts))))
(incf num)))
(nreverse parts)))
(deffoo nnimap-request-group (group &optional server dont-check info)
- (let ((result (nnimap-possibly-change-group group server))
+ (let ((result (nnimap-possibly-change-group
+ ;; Don't SELECT the group if we're going to select it
+ ;; later, anyway.
+ (if (and (not dont-check)
+ (assoc group nnimap-current-infos))
+ nil
+ group)
+ server))
articles active marks high low)
(with-current-buffer nntp-server-buffer
(when result
(nnimap-send-command "SELECT %S" (utf7-encode group t)))
(flag-sequence
(nnimap-send-command "UID FETCH 1:* FLAGS")))
+ (setf (nnimap-group nnimap-object) group)
(nnimap-wait-for-response flag-sequence)
(setq marks
(nnimap-flags-to-marks
(nnimap-parse-flags
- (list (list group-sequence flag-sequence 1 group)))))
- (when info
- (nnimap-update-infos marks (list info)))
+ (list (list group-sequence flag-sequence
+ 1 group "SELECT")))))
+ (when (and info
+ marks)
+ (nnimap-update-infos marks (list info))
+ (nnimap-store-info info (gnus-active (gnus-info-group info))))
(goto-char (point-max))
(let ((uidnext (nth 5 (car marks))))
- (setq high (if uidnext
- (1- uidnext)
- (nth 3 (car marks)))
- low (or (nth 4 (car marks)) uidnext)))))
+ (setq high (or (if uidnext
+ (1- uidnext)
+ (nth 3 (car marks)))
+ 0)
+ low (or (nth 4 (car marks)) uidnext 1)))))
(erase-buffer)
(insert
(format
(with-current-buffer (nnimap-buffer)
(car (nnimap-command "DELETE %S" (utf7-encode group t))))))
+(deffoo nnimap-request-rename-group (group new-name &optional server)
+ (when (nnimap-possibly-change-group nil server)
+ (with-current-buffer (nnimap-buffer)
+ (nnimap-unselect-group)
+ (car (nnimap-command "RENAME %S %S"
+ (utf7-encode group t) (utf7-encode new-name t))))))
+
+(defun nnimap-unselect-group ()
+ ;; Make sure we don't have this group open read/write by asking
+ ;; to examine a mailbox that doesn't exist. This seems to be
+ ;; the only way that allows us to reliably go back to unselected
+ ;; state on Courier.
+ (nnimap-command "EXAMINE DOES.NOT.EXIST"))
+
(deffoo nnimap-request-expunge-group (group &optional server)
(when (nnimap-possibly-change-group group server)
(with-current-buffer (nnimap-buffer)
(defun nnimap-get-flags (spec)
(let ((articles nil)
- elems)
+ elems end)
(with-current-buffer (nnimap-buffer)
(erase-buffer)
(nnimap-wait-for-response (nnimap-send-command
"UID FETCH %s FLAGS" spec))
+ (setq end (point))
+ (subst-char-in-region (point-min) (point-max)
+ ?\\ ?% t)
(goto-char (point-min))
- (while (re-search-forward "^\\* [0-9]+ FETCH (\\(.*\\))" nil t)
- (setq elems (nnimap-parse-line (match-string 1)))
- (push (cons (string-to-number (cadr (member "UID" elems)))
- (cadr (member "FLAGS" elems)))
+ (while (search-forward " FETCH " end t)
+ (setq elems (read (current-buffer)))
+ (push (cons (cadr (memq 'UID elems))
+ (cadr (memq 'FLAGS elems)))
articles)))
(nreverse articles)))
(deffoo nnimap-request-move-article (article group server accept-form
&optional last internal-move-group)
(with-temp-buffer
- (when (nnimap-request-article article group server (current-buffer))
+ (mm-disable-multibyte)
+ (when (funcall (if internal-move-group
+ 'nnimap-request-head
+ 'nnimap-request-article)
+ article group server (current-buffer))
;; If the move is internal (on the same server), just do it the easy
;; way.
(let ((message-id (message-field-value "message-id")))
(when (car result)
(nnimap-delete-article article)
(cons internal-move-group
- (nnimap-find-article-by-message-id
- internal-move-group message-id))))
+ (or (nnimap-find-uid-response "COPYUID" (cadr result))
+ (nnimap-find-article-by-message-id
+ internal-move-group message-id)))))
;; Move the article to a different method.
(let ((result (eval accept-form)))
(when result
articles)
((and force
(eq nnmail-expiry-target 'delete))
- (unless (nnimap-delete-article articles)
- (message "Article marked for deletion, but not expunged."))
+ (unless (nnimap-delete-article (gnus-compress-sequence articles))
+ (nnheader-message 7 "Article marked for deletion, but not expunged."))
nil)
(t
(let ((deletable-articles
(if (null deletable-articles)
articles
(if (eq nnmail-expiry-target 'delete)
- (nnimap-delete-article deletable-articles)
+ (nnimap-delete-article (gnus-compress-sequence deletable-articles))
(setq deletable-articles
(nnimap-process-expiry-targets
deletable-articles group server)))
(defun nnimap-process-expiry-targets (articles group server)
(let ((deleted-articles nil))
- (dolist (article articles)
- (let ((target nnmail-expiry-target))
- (with-temp-buffer
- (when (nnimap-request-article article group server (current-buffer))
- (message "Expiring article %s:%d" group article)
- (when (functionp target)
- (setq target (funcall target group)))
- (when (and target
- (not (eq target 'delete)))
- (if (or (gnus-request-group target t)
- (gnus-request-create-group target))
- (nnmail-expiry-target-group target group)
- (setq target nil)))
- (when target
- (push article deleted-articles))))))
+ (cond
+ ;; shortcut further processing if we're going to delete the articles
+ ((eq nnmail-expiry-target 'delete)
+ (setq deleted-articles articles)
+ t)
+ ;; or just move them to another folder on the same IMAP server
+ ((and (not (functionp nnmail-expiry-target))
+ (gnus-server-equal (gnus-group-method nnmail-expiry-target)
+ (gnus-server-to-method
+ (format "nnimap:%s" server))))
+ (and (nnimap-possibly-change-group group server)
+ (with-current-buffer (nnimap-buffer)
+ (nnheader-message 7 "Expiring articles from %s: %s" group articles)
+ (nnimap-command
+ "UID COPY %s %S"
+ (nnimap-article-ranges (gnus-compress-sequence articles))
+ (utf7-encode (gnus-group-real-name nnmail-expiry-target) t))
+ (setq deleted-articles articles)))
+ t)
+ (t
+ (dolist (article articles)
+ (let ((target nnmail-expiry-target))
+ (with-temp-buffer
+ (mm-disable-multibyte)
+ (when (nnimap-request-article article group server (current-buffer))
+ (nnheader-message 7 "Expiring article %s:%d" group article)
+ (when (functionp target)
+ (setq target (funcall target group)))
+ (when (and target
+ (not (eq target 'delete)))
+ (if (or (gnus-request-group target t)
+ (gnus-request-create-group target))
+ (nnmail-expiry-target-group target group)
+ (setq target nil)))
+ (when target
+ (push article deleted-articles))))))))
;; Change back to the current group again.
(nnimap-possibly-change-group group server)
(setq deleted-articles (nreverse deleted-articles))
- (nnimap-delete-article deleted-articles)
+ (nnimap-delete-article (gnus-compress-sequence deleted-articles))
deleted-articles))
(defun nnimap-find-expired-articles (group)
(defun nnimap-find-article-by-message-id (group message-id)
- (when (nnimap-possibly-change-group group nil)
- (with-current-buffer (nnimap-buffer)
- (let ((result
- (nnimap-command "UID SEARCH HEADER Message-Id %S" message-id))
- article)
- (when (car result)
- ;; Select the last instance of the message in the group.
- (and (setq article
- (car (last (assoc "SEARCH" (cdr result)))))
- (string-to-number article)))))))
+ (with-current-buffer (nnimap-buffer)
+ (erase-buffer)
+ (unless (equal group (nnimap-group nnimap-object))
+ (setf (nnimap-group nnimap-object) nil)
+ (setf (nnimap-examined nnimap-object) group)
+ (nnimap-send-command "EXAMINE %S" (utf7-encode group t)))
+ (let ((sequence
+ (nnimap-send-command "UID SEARCH HEADER Message-Id %S" message-id))
+ article result)
+ (setq result (nnimap-wait-for-response sequence))
+ (when (and result
+ (car (setq result (nnimap-parse-response))))
+ ;; Select the last instance of the message in the group.
+ (and (setq article
+ (car (last (assoc "SEARCH" (cdr result)))))
+ (string-to-number article))))))
(defun nnimap-delete-article (articles)
(with-current-buffer (nnimap-buffer)
(nnimap-command "UID STORE %s +FLAGS.SILENT (\\Deleted)"
(nnimap-article-ranges articles))
(cond
- ((member "UIDPLUS" (nnimap-capabilities nnimap-object))
+ ((nnimap-capability "UIDPLUS")
(nnimap-command "UID EXPUNGE %s"
(nnimap-article-ranges articles))
t)
(when (and (nnimap-possibly-change-group nil server)
nnimap-inbox
nnimap-split-methods)
- (message "nnimap %s splitting mail..." server)
+ (nnheader-message 7 "nnimap %s splitting mail..." server)
(nnimap-split-incoming-mail)))
(defun nnimap-marks-to-flags (marks)
(push flag flags)))
flags))
+(deffoo nnimap-request-update-group-status (group status &optional server)
+ (when (nnimap-possibly-change-group nil server)
+ (let ((command (assoc
+ status
+ '((subscribe "SUBSCRIBE")
+ (unsubscribe "UNSUBSCRIBE")))))
+ (when command
+ (with-current-buffer (nnimap-buffer)
+ (nnimap-command "%s %S" (cadr command) (utf7-encode group t)))))))
+
(deffoo nnimap-request-set-mark (group actions &optional server)
(when (nnimap-possibly-change-group group server)
(let (sequence)
(with-current-buffer (nnimap-buffer)
+ (erase-buffer)
;; Just send all the STORE commands without waiting for
;; response. If they're successful, they're successful.
(dolist (action actions)
(setq sequence (nnimap-send-command
"UID STORE %s %sFLAGS.SILENT (%s)"
(nnimap-article-ranges range)
- (if (eq action 'del)
- "-"
- "+")
+ (cond
+ ((eq action 'del) "-")
+ ((eq action 'add) "+")
+ ((eq action 'set) ""))
(mapconcat #'identity flags " ")))))))
;; Wait for the last command to complete to avoid later
;; syncronisation problems with the stream.
(deffoo nnimap-request-accept-article (group &optional server last)
(when (nnimap-possibly-change-group nil server)
(nnmail-check-syntax)
- (let ((message (buffer-string))
- (message-id (message-field-value "message-id"))
- sequence)
+ (let ((message-id (message-field-value "message-id"))
+ sequence message)
+ (nnimap-add-cr)
+ (setq message (buffer-substring-no-properties (point-min) (point-max)))
(with-current-buffer (nnimap-buffer)
+ ;; If we have this group open read-only, then unselect it
+ ;; before appending to it.
+ (when (equal (nnimap-examined nnimap-object) group)
+ (nnimap-unselect-group))
+ (erase-buffer)
(setq sequence (nnimap-send-command
"APPEND %S {%d}" (utf7-encode group t)
(length message)))
+ (unless nnimap-streaming
+ (nnimap-wait-for-connection "^[+]"))
(process-send-string (get-buffer-process (current-buffer)) message)
(process-send-string (get-buffer-process (current-buffer))
(if (nnimap-newlinep nnimap-object)
"\n"
"\r\n"))
(let ((result (nnimap-get-response sequence)))
- (when result
+ (if (not (car result))
+ (progn
+ (nnheader-message 7 "%s" (nnheader-get-report-string 'nnimap))
+ nil)
(cons group
- (nnimap-find-article-by-message-id group message-id))))))))
+ (or (nnimap-find-uid-response "APPENDUID" (car result))
+ (nnimap-find-article-by-message-id
+ group message-id)))))))))
+
+(defun nnimap-find-uid-response (name list)
+ (let ((result (car (last (nnimap-find-response-element name list)))))
+ (and result
+ (string-to-number result))))
+
+(defun nnimap-find-response-element (name list)
+ (let (result)
+ (dolist (elem list)
+ (when (and (consp elem)
+ (equal name (car elem)))
+ (setq result elem)))
+ result))
+
+(deffoo nnimap-request-replace-article (article group buffer)
+ (let (group-art)
+ (when (and (nnimap-possibly-change-group group nil)
+ ;; Put the article into the group.
+ (with-current-buffer buffer
+ (setq group-art
+ (nnimap-request-accept-article group nil t))))
+ (nnimap-delete-article (list article))
+ ;; Return the new article number.
+ (cdr group-art))))
(defun nnimap-add-cr ()
(goto-char (point-min))
(replace-match "\r\n" t t)))
(defun nnimap-get-groups ()
- (let ((result (nnimap-command "LIST \"\" \"*\""))
+ (erase-buffer)
+ (let ((sequence (nnimap-send-command "LIST \"\" \"*\""))
groups)
- (when (car result)
- (dolist (line (cdr result))
- (when (and (equal (car line) "LIST")
- (not (and (caadr line)
- (string-match "noselect" (caadr line)))))
- (push (car (last line)) groups)))
- (nreverse groups))))
+ (nnimap-wait-for-response sequence)
+ (subst-char-in-region (point-min) (point-max)
+ ?\\ ?% t)
+ (goto-char (point-min))
+ (nnimap-unfold-quoted-lines)
+ (goto-char (point-min))
+ (while (search-forward "* LIST " nil t)
+ (let ((flags (read (current-buffer)))
+ (separator (read (current-buffer)))
+ (group (read (current-buffer))))
+ (unless (member '%NoSelect flags)
+ (push (if (stringp group)
+ group
+ (format "%s" group))
+ groups))))
+ (nreverse groups)))
(deffoo nnimap-request-list (&optional server)
(nnimap-possibly-change-group nil server)
(with-current-buffer (nnimap-buffer)
(setf (nnimap-group nnimap-object) nil)
(dolist (group groups)
+ (setf (nnimap-examined nnimap-object) group)
(push (list (nnimap-send-command "EXAMINE %S" (utf7-encode group t))
group)
sequences))
(or highest exists)))))))))
t))))
+(deffoo nnimap-request-newgroups (date &optional server)
+ (nnimap-possibly-change-group nil server)
+ (with-current-buffer nntp-server-buffer
+ (erase-buffer)
+ (dolist (group (with-current-buffer (nnimap-buffer)
+ (nnimap-get-groups)))
+ (unless (assoc group nnimap-current-infos)
+ ;; Insert dummy numbers here -- they don't matter.
+ (insert (format "%S 0 1 y\n" group))))
+ t))
+
(deffoo nnimap-retrieve-group-data-early (server infos)
(when (nnimap-possibly-change-group nil server)
(with-current-buffer (nnimap-buffer)
- ;; QRESYNC handling isn't implemented.
- (let ((qresyncp (member "notQRESYNC" (nnimap-capabilities nnimap-object)))
- marks groups sequences)
+ (erase-buffer)
+ (setf (nnimap-group nnimap-object) nil)
+ (let ((qresyncp (nnimap-capability "QRESYNC"))
+ params groups sequences active uidvalidity modseq group)
;; Go through the infos and gather the data needed to know
;; what and how to request the data.
(dolist (info infos)
- (setq marks (gnus-info-marks info))
- (push (list (gnus-group-real-name (gnus-info-group info))
- (cdr (assq 'active marks))
- (cdr (assq 'uid marks)))
- groups))
- ;; Then request the data.
- (erase-buffer)
- (setf (nnimap-group nnimap-object) nil)
- (dolist (elem groups)
+ (setq params (gnus-info-params info)
+ group (gnus-group-real-name (gnus-info-group info))
+ active (cdr (assq 'active params))
+ uidvalidity (cdr (assq 'uidvalidity params))
+ modseq (cdr (assq 'modseq params)))
+ (setf (nnimap-examined nnimap-object) group)
(if (and qresyncp
- (nth 2 elem))
+ uidvalidity
+ modseq)
(push
- (list 'qresync
- (nnimap-send-command "EXAMINE %S (QRESYNC (%s %s))"
- (car elem)
- (car (nth 2 elem))
- (cdr (nth 2 elem)))
- nil
- (car elem))
+ (list (nnimap-send-command "EXAMINE %S (%s (%s %s))"
+ (utf7-encode group t)
+ (nnimap-quirk "QRESYNC")
+ uidvalidity modseq)
+ 'qresync
+ nil group 'qresync)
sequences)
(let ((start
- (if (nth 1 elem)
+ (if (and active uidvalidity)
;; Fetch the last 100 flags.
- (max 1 (- (cdr (nth 1 elem)) 100))
- 1)))
- (push (list (nnimap-send-command "EXAMINE %S" (car elem))
+ (max 1 (- (cdr active) 100))
+ 1))
+ (command
+ (if uidvalidity
+ "EXAMINE"
+ ;; If we don't have a UIDVALIDITY, then this is
+ ;; the first time we've seen the group, so we
+ ;; have to do a SELECT (which is slower than an
+ ;; examine), but will tell us whether the group
+ ;; is read-only or not.
+ "SELECT")))
+ (push (list (nnimap-send-command "%s %S" command
+ (utf7-encode group t))
(nnimap-send-command "UID FETCH %d:* FLAGS" start)
- start
- (car elem))
+ start group command)
sequences))))
sequences))))
+(defun nnimap-quirk (command)
+ (let ((quirk (assoc command nnimap-quirks)))
+ ;; If this server is of a type that matches a quirk, then return
+ ;; the "quirked" command instead of the proper one.
+ (if (or (null quirk)
+ (not (string-match (nth 1 quirk) (nnimap-greeting nnimap-object))))
+ command
+ (nth 2 quirk))))
+
(deffoo nnimap-finish-retrieve-group-infos (server infos sequences)
(when (and sequences
(nnimap-possibly-change-group nil server))
(with-current-buffer (nnimap-buffer)
;; Wait for the final data to trickle in.
- (nnimap-wait-for-response (cadar sequences))
- ;; Now we should have all the data we need, no matter whether
- ;; we're QRESYNCING, fetching all the flags from scratch, or
- ;; just fetching the last 100 flags per group.
- (nnimap-update-infos (nnimap-flags-to-marks
- (nnimap-parse-flags
- (nreverse sequences)))
- infos)
- ;; Finally, just return something resembling an active file in
- ;; the nntp buffer, so that the agent can save the info, too.
- (with-current-buffer nntp-server-buffer
- (erase-buffer)
- (dolist (info infos)
- (let* ((group (gnus-info-group info))
- (active (gnus-active group)))
- (when active
- (insert (format "%S %d %d y\n"
- (gnus-group-real-name group)
- (cdr active)
- (car active))))))))))
+ (when (nnimap-wait-for-response (if (eq (cadar sequences) 'qresync)
+ (caar sequences)
+ (cadar sequences))
+ t)
+ ;; Now we should have most of the data we need, no matter
+ ;; whether we're QRESYNCING, fetching all the flags from
+ ;; scratch, or just fetching the last 100 flags per group.
+ (nnimap-update-infos (nnimap-flags-to-marks
+ (nnimap-parse-flags
+ (nreverse sequences)))
+ infos)
+ ;; Finally, just return something resembling an active file in
+ ;; the nntp buffer, so that the agent can save the info, too.
+ (with-current-buffer nntp-server-buffer
+ (erase-buffer)
+ (dolist (info infos)
+ (let* ((group (gnus-info-group info))
+ (active (gnus-active group)))
+ (when active
+ (insert (format "%S %d %d y\n"
+ (gnus-group-real-name group)
+ (cdr active)
+ (car active)))))))))))
(defun nnimap-update-infos (flags infos)
(dolist (info infos)
- (let ((group (gnus-group-real-name (gnus-info-group info))))
- (nnimap-update-info info (cdr (assoc group flags))))))
+ (let* ((group (gnus-group-real-name (gnus-info-group info)))
+ (marks (cdr (assoc group flags))))
+ (when marks
+ (nnimap-update-info info marks)))))
(defun nnimap-update-info (info marks)
- (when marks
- (destructuring-bind (existing flags high low uidnext start-article
- permanent-flags) marks
- (let ((group (gnus-info-group info))
- (completep (and start-article
- (= start-article 1))))
+ (destructuring-bind (existing flags high low uidnext start-article
+ permanent-flags uidvalidity
+ vanished highestmodseq) marks
+ (cond
+ ;; Ignore groups with no UIDNEXT/marks. This happens for
+ ;; completely empty groups.
+ ((and (not existing)
+ (not uidnext))
+ (let ((active (cdr (assq 'active (gnus-info-params info)))))
+ (when active
+ (gnus-set-active (gnus-info-group info) active))))
+ ;; We have a mismatch between the old and new UIDVALIDITY
+ ;; identifiers, so we have to re-request the group info (the next
+ ;; time). This virtually never happens.
+ ((let ((old-uidvalidity
+ (cdr (assq 'uidvalidity (gnus-info-params info)))))
+ (and old-uidvalidity
+ (not (equal old-uidvalidity uidvalidity))
+ (> start-article 1)))
+ (gnus-group-remove-parameter info 'uidvalidity)
+ (gnus-group-remove-parameter info 'modseq))
+ ;; We have the data needed to update.
+ (t
+ (let* ((group (gnus-info-group info))
+ (completep (and start-article
+ (= start-article 1)))
+ (active (or (gnus-active group)
+ (cdr (assq 'active (gnus-info-params info))))))
(when uidnext
(setq high (1- uidnext)))
;; First set the active ranges based on high/low.
(not (gnus-active group)))
(gnus-set-active group
(cond
+ (active
+ (cons (min (or low (car active))
+ (car active))
+ (max (or high (cdr active))
+ (cdr active))))
((and low high)
(cons low high))
(uidnext
(t
;; No articles and no uidnext.
nil)))
- (setcdr (gnus-active group) (or high (1- uidnext))))
- (when (and (not high)
- uidnext)
- (setq high (1- uidnext)))
- ;; Then update the list of read articles.
- (let* ((unread
- (gnus-compress-sequence
- (gnus-set-difference
- (gnus-set-difference
- existing
- (cdr (assoc '%Seen flags)))
- (cdr (assoc '%Flagged flags)))))
- (read (gnus-range-difference
- (cons start-article high) unread)))
- (when (> start-article 1)
- (setq read
- (gnus-range-nconcat
- (if (> start-article 1)
- (gnus-sorted-range-intersection
- (cons 1 (1- start-article))
- (gnus-info-read info))
- (gnus-info-read info))
- read)))
- (gnus-info-set-read info read)
- ;; Update the marks.
- (setq marks (gnus-info-marks info))
- ;; Note the active level for the next run-through.
- (let ((active (assq 'active marks)))
- (if active
- (setcdr active (gnus-active group))
- (push (cons 'active (gnus-active group)) marks)))
- (dolist (type (cdr nnimap-mark-alist))
- (let ((old-marks (assoc (car type) marks))
- (new-marks
- (gnus-compress-sequence
- (cdr (or (assoc (caddr type) flags) ; %Flagged
- (assoc (intern (cadr type) obarray) flags)
- (assoc (cadr type) flags)))))) ; "\Flagged"
- (setq marks (delq old-marks marks))
- (pop old-marks)
- (when (and old-marks
- (> start-article 1))
- (setq old-marks (gnus-range-difference
- old-marks
- (cons start-article high)))
- (setq new-marks (gnus-range-nconcat old-marks new-marks)))
- (when new-marks
- (push (cons (car type) new-marks) marks)))
- (gnus-info-set-marks info marks t)
- (nnimap-store-info info (gnus-active group))))))))
+ (gnus-set-active
+ group
+ (cons (car active)
+ (or high (1- uidnext)))))
+ ;; See whether this is a read-only group.
+ (unless (eq permanent-flags 'not-scanned)
+ (gnus-group-set-parameter
+ info 'permanent-flags
+ (and (or (memq '%* permanent-flags)
+ (memq '%Seen permanent-flags))
+ permanent-flags)))
+ ;; Update marks and read articles if this isn't a
+ ;; read-only IMAP group.
+ (when (setq permanent-flags
+ (cdr (assq 'permanent-flags (gnus-info-params info))))
+ (if (and highestmodseq
+ (not start-article))
+ ;; We've gotten the data by QRESYNCing.
+ (nnimap-update-qresync-info
+ info existing (nnimap-imap-ranges-to-gnus-ranges vanished) flags)
+ ;; Do normal non-QRESYNC flag updates.
+ ;; Update the list of read articles.
+ (let* ((unread
+ (gnus-compress-sequence
+ (gnus-set-difference
+ (gnus-set-difference
+ existing
+ (cdr (assoc '%Seen flags)))
+ (cdr (assoc '%Flagged flags)))))
+ (read (gnus-range-difference
+ (cons start-article high) unread)))
+ (when (> start-article 1)
+ (setq read
+ (gnus-range-nconcat
+ (if (> start-article 1)
+ (gnus-sorted-range-intersection
+ (cons 1 (1- start-article))
+ (gnus-info-read info))
+ (gnus-info-read info))
+ read)))
+ (when (or (not (listp permanent-flags))
+ (memq '%Seen permanent-flags))
+ (gnus-info-set-read info read))
+ ;; Update the marks.
+ (setq marks (gnus-info-marks info))
+ (dolist (type (cdr nnimap-mark-alist))
+ (when (or (not (listp permanent-flags))
+ (memq (car (assoc (caddr type) flags))
+ permanent-flags)
+ (memq '%* permanent-flags))
+ (let ((old-marks (assoc (car type) marks))
+ (new-marks
+ (gnus-compress-sequence
+ (cdr (or (assoc (caddr type) flags) ; %Flagged
+ (assoc (intern (cadr type) obarray) flags)
+ (assoc (cadr type) flags)))))) ; "\Flagged"
+ (setq marks (delq old-marks marks))
+ (pop old-marks)
+ (when (and old-marks
+ (> start-article 1))
+ (setq old-marks (gnus-range-difference
+ old-marks
+ (cons start-article high)))
+ (setq new-marks (gnus-range-nconcat old-marks new-marks)))
+ (when new-marks
+ (push (cons (car type) new-marks) marks)))))
+ (gnus-info-set-marks info marks t))))
+ ;; Note the active level for the next run-through.
+ (gnus-group-set-parameter info 'active (gnus-active group))
+ (gnus-group-set-parameter info 'uidvalidity uidvalidity)
+ (gnus-group-set-parameter info 'modseq highestmodseq)
+ (nnimap-store-info info (gnus-active group)))))))
+
+(defun nnimap-update-qresync-info (info existing vanished flags)
+ ;; Add all the vanished articles to the list of read articles.
+ (gnus-info-set-read
+ info
+ (gnus-add-to-range
+ (gnus-add-to-range
+ (gnus-range-add (gnus-info-read info)
+ vanished)
+ (cdr (assq '%Flagged flags)))
+ (cdr (assq '%Seen flags))))
+ (let ((marks (gnus-info-marks info)))
+ (dolist (type (cdr nnimap-mark-alist))
+ (let ((ticks (assoc (car type) marks))
+ (new-marks
+ (cdr (or (assoc (caddr type) flags) ; %Flagged
+ (assoc (intern (cadr type) obarray) flags)
+ (assoc (cadr type) flags))))) ; "\Flagged"
+ (setq marks (delq ticks marks))
+ (pop ticks)
+ ;; Add the new marks we got.
+ (setq ticks (gnus-add-to-range ticks new-marks))
+ ;; Remove the marks from messages that don't have them.
+ (setq ticks (gnus-remove-from-range
+ ticks
+ (gnus-compress-sequence
+ (gnus-sorted-complement existing new-marks))))
+ (when ticks
+ (push (cons (car type) ticks) marks)))
+ (gnus-info-set-marks info marks t))))
+
+(defun nnimap-imap-ranges-to-gnus-ranges (irange)
+ (if (zerop (length irange))
+ nil
+ (let ((result nil))
+ (dolist (elem (split-string irange ","))
+ (push
+ (if (string-match ":" elem)
+ (let ((numbers (split-string elem ":")))
+ (cons (string-to-number (car numbers))
+ (string-to-number (cadr numbers))))
+ (string-to-number elem))
+ result))
+ (nreverse result))))
(defun nnimap-store-info (info active)
(let* ((group (gnus-group-real-name (gnus-info-group info)))
(push (list group info active) nnimap-current-infos))))
(defun nnimap-flags-to-marks (groups)
- (let (data group totalp uidnext articles start-article mark permanent-flags)
+ (let (data group totalp uidnext articles start-article mark permanent-flags
+ uidvalidity vanished highestmodseq)
(dolist (elem groups)
(setq group (car elem)
uidnext (nth 1 elem)
start-article (nth 2 elem)
permanent-flags (nth 3 elem)
- articles (nthcdr 4 elem))
+ uidvalidity (nth 4 elem)
+ vanished (nth 5 elem)
+ highestmodseq (nth 6 elem)
+ articles (nthcdr 7 elem))
(let ((high (caar articles))
marks low existing)
(dolist (article articles)
(push (list flag (car article)) marks)
(setcdr mark (cons (car article) (cdr mark))))))
(push (list group existing marks high low uidnext start-article
- permanent-flags)
+ permanent-flags uidvalidity vanished highestmodseq)
data)))
data))
;; Change \Delete etc to %Delete, so that the reader can read it.
(subst-char-in-region (point-min) (point-max)
?\\ ?% t)
- (let (start end articles groups uidnext elems permanent-flags)
+ (let (start end articles groups uidnext elems permanent-flags
+ uidvalidity vanished highestmodseq)
(dolist (elem sequences)
- (destructuring-bind (group-sequence flag-sequence totalp group) elem
+ (destructuring-bind (group-sequence flag-sequence totalp group command)
+ elem
(setq start (point))
- ;; The EXAMINE was successful.
- (when (and (search-forward (format "\n%d OK " group-sequence) nil t)
- (progn
- (forward-line 1)
- (setq end (point))
- (goto-char start)
- (setq permanent-flags
+ (when (and
+ ;; The EXAMINE was successful.
+ (search-forward (format "\n%d OK " group-sequence) nil t)
+ (progn
+ (forward-line 1)
+ (setq end (point))
+ (goto-char start)
+ (setq permanent-flags
+ (if (equal command "SELECT")
(and (search-forward "PERMANENTFLAGS "
- (or end (point-min)) t)
- (read (current-buffer))))
- (goto-char start)
- (setq uidnext
- (and (search-forward "UIDNEXT "
- (or end (point-min)) t)
- (read (current-buffer))))
- (goto-char end)
- (forward-line -1))
- ;; The UID FETCH FLAGS was successful.
- (search-forward (format "\n%d OK " flag-sequence) nil t))
- (setq start (point))
- (goto-char end)
- (while (search-forward " FETCH " start t)
+ (or end (point-min)) t)
+ (read (current-buffer)))
+ 'not-scanned))
+ (goto-char start)
+ (setq uidnext
+ (and (search-forward "UIDNEXT "
+ (or end (point-min)) t)
+ (read (current-buffer))))
+ (goto-char start)
+ (setq uidvalidity
+ (and (re-search-forward "UIDVALIDITY \\([0-9]+\\)"
+ (or end (point-min)) t)
+ ;; Store UIDVALIDITY as a string, as it's
+ ;; too big for 32-bit Emacsen, usually.
+ (match-string 1)))
+ (goto-char start)
+ (setq vanished
+ (and (eq flag-sequence 'qresync)
+ (re-search-forward "^\\* VANISHED .* \\([0-9:,]+\\)"
+ (or end (point-min)) t)
+ (match-string 1)))
+ (goto-char start)
+ (setq highestmodseq
+ (and (search-forward "HIGHESTMODSEQ "
+ (or end (point-min)) t)
+ (read (current-buffer))))
+ (goto-char end)
+ (forward-line -1))
+ ;; The UID FETCH FLAGS was successful.
+ (or (eq flag-sequence 'qresync)
+ (search-forward (format "\n%d OK " flag-sequence) nil t)))
+ (if (eq flag-sequence 'qresync)
+ (progn
+ (goto-char start)
+ (setq start end))
+ (setq start (point))
+ (goto-char end))
+ (while (re-search-forward "^\\* [0-9]+ FETCH " start t)
(setq elems (read (current-buffer)))
(push (cons (cadr (memq 'UID elems))
(cadr (memq 'FLAGS elems)))
articles))
- (push (nconc (list group uidnext totalp permanent-flags) articles)
+ (push (nconc (list group uidnext totalp permanent-flags uidvalidity
+ vanished highestmodseq)
+ articles)
groups)
+ (goto-char end)
(setq articles nil))))
groups))
(setq nnimap-status-string "Read-only server")
nil)
+(deffoo nnimap-request-thread (header)
+ (let* ((id (mail-header-id header))
+ (refs (split-string
+ (or (mail-header-references header)
+ "")))
+ (cmd (let ((value
+ (format
+ "(OR HEADER REFERENCES %s HEADER Message-Id %s)"
+ id id)))
+ (dolist (refid refs value)
+ (setq value (format
+ "(OR (OR HEADER Message-Id %s HEADER REFERENCES %s) %s)"
+ refid refid value)))))
+ (result (with-current-buffer (nnimap-buffer)
+ (nnimap-command "UID SEARCH %s" cmd))))
+ (gnus-fetch-headers
+ (and (car result) (delete 0 (mapcar #'string-to-number
+ (cdr (assoc "SEARCH" (cdr result))))))
+ nil t)))
+
(defun nnimap-possibly-change-group (group server)
(let ((open-result t))
(when (and server
(if (nnimap-newlinep nnimap-object)
""
"\r"))))
+ ;; Some servers apparently can't have many outstanding
+ ;; commands, so throttle them.
+ (unless nnimap-streaming
+ (nnimap-wait-for-response nnimap-sequence))
nnimap-sequence)
(defun nnimap-log-command (command)
(nnimap-wait-for-response sequence)
(nnimap-parse-response))
-(defun nnimap-wait-for-connection ()
+(defun nnimap-wait-for-connection (&optional regexp)
+ (nnimap-wait-for-line (or regexp "^[*.] .*\n") "[*.] \\([A-Z0-9]+\\)"))
+
+(defun nnimap-wait-for-line (regexp &optional response-regexp)
(let ((process (get-buffer-process (current-buffer))))
(goto-char (point-min))
(while (and (memq (process-status process)
'(open run))
- (not (re-search-forward "^\\* .*\n" nil t)))
+ (not (re-search-forward regexp nil t)))
(nnheader-accept-process-output process)
(goto-char (point-min)))
(forward-line -1)
- (and (looking-at "\\* \\([A-Z0-9]+\\)")
+ (and (looking-at (or response-regexp regexp))
(match-string 1))))
(defun nnimap-wait-for-response (sequence &optional messagep)
- (let ((process (get-buffer-process (current-buffer))))
- (goto-char (point-max))
- (while (and (memq (process-status process)
- '(open run))
- (not (re-search-backward (format "^%d .*\n" sequence)
- (max (point-min) (- (point) 500))
- t)))
- (when messagep
- (message "Read %dKB" (/ (buffer-size) 1000)))
- (nnheader-accept-process-output process)
- (goto-char (point-max)))))
+ (let ((process (get-buffer-process (current-buffer)))
+ openp)
+ (condition-case nil
+ (progn
+ (goto-char (point-max))
+ (while (and (setq openp (memq (process-status process)
+ '(open run)))
+ (progn
+ ;; Skip past any "*" lines that the server has
+ ;; output.
+ (while (and (not (bobp))
+ (progn
+ (forward-line -1)
+ (looking-at "\\*"))))
+ (not (looking-at (format "%d " sequence)))))
+ (when messagep
+ (nnheader-message 7 "nnimap read %dk" (/ (buffer-size) 1000)))
+ (nnheader-accept-process-output process)
+ (goto-char (point-max)))
+ openp)
+ (quit
+ ;; The user hit C-g while we were waiting: kill the process, in case
+ ;; it's a gnutls-cli process that's stuck (tends to happen a lot behind
+ ;; NAT routers).
+ (delete-process process)
+ nil))))
(defun nnimap-parse-response ()
(let ((lines (split-string (nnimap-last-response-string) "\r\n" t))
(defun nnimap-parse-line (line)
(let (char result)
(with-temp-buffer
+ (mm-disable-multibyte)
(insert line)
(goto-char (point-min))
(while (not (eobp))
(push
(cond
((eql char ?\[)
- (split-string (buffer-substring
- (1+ (point)) (1- (search-forward "]")))))
+ (split-string
+ (buffer-substring
+ (1+ (point))
+ (if (search-forward "]" (line-end-position) 'move)
+ (1- (point))
+ (point)))))
((eql char ?\()
- (split-string (buffer-substring
- (1+ (point)) (1- (search-forward ")")))))
+ (split-string
+ (buffer-substring
+ (1+ (point))
+ (if (search-forward ")" (line-end-position) 'move)
+ (1- (point))
+ (point)))))
((eql char ?\")
(forward-char 1)
- (buffer-substring (point) (1- (search-forward "\""))))
+ (buffer-substring
+ (point)
+ (1- (or (search-forward "\"" (line-end-position) 'move)
+ (point)))))
(t
(buffer-substring (point) (if (search-forward " " nil t)
(1- (point))
(defun nnimap-split-incoming-mail ()
(with-current-buffer (nnimap-buffer)
(let ((nnimap-incoming-split-list nil)
- (nnmail-split-methods nnimap-split-methods)
+ (nnmail-split-methods (if (eq nnimap-split-methods 'default)
+ nnmail-split-methods
+ nnimap-split-methods))
+ (nnmail-split-fancy (or nnimap-split-fancy
+ nnmail-split-fancy))
(nnmail-inhibit-default-split-group t)
(groups (nnimap-get-groups))
new-articles)
(erase-buffer)
(nnimap-command "SELECT %S" nnimap-inbox)
+ (setf (nnimap-group nnimap-object) nnimap-inbox)
(setq new-articles (nnimap-new-articles (nnimap-get-flags "1:*")))
(when new-articles
(nnimap-fetch-inbox new-articles)
(defun nnimap-mark-and-expunge-incoming (range)
(when range
(setq range (nnimap-article-ranges range))
+ (erase-buffer)
(let ((sequence
(nnimap-send-command
"UID STORE %s +FLAGS.SILENT (\\Deleted)" range)))
(cond
;; If the server supports it, we now delete the message we have
;; just copied over.
- ((member "UIDPLUS" (nnimap-capabilities nnimap-object))
+ ((nnimap-capability "UIDPLUS")
(setq sequence (nnimap-send-command "UID EXPUNGE %s" range)))
;; If it doesn't support UID EXPUNGE, then we only expunge if the
;; user has configured it.
(defun nnimap-new-articles (flags)
(let (new)
(dolist (elem flags)
- (when (or (null (cdr elem))
- (and (not (memq '%Deleted (cdr elem)))
- (not (memq '%Seen (cdr elem)))))
+ (unless (gnus-list-memq-of-list nnimap-unsplittable-articles
+ (cdr elem))
(push (car elem) new)))
(gnus-compress-sequence (nreverse new))))
(forward-char (1+ bytes))
(setq bytes (nnimap-get-length))
(delete-region (line-beginning-position) (line-end-position))
- (forward-char (1+ bytes))
- (delete-region (line-beginning-position) (line-end-position))))))
+ ;; There's a body; skip past that.
+ (when bytes
+ (forward-char (1+ bytes))
+ (delete-region (line-beginning-position) (line-end-position)))))))
(defun nnimap-dummy-active-number (group &optional server)
1)
projects / gnus / blobdiff