;;; 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 'utf7)
(require 'tls)
(require 'parse-time)
+(require 'nnmail)
+(require 'proto-stream)
+
+(eval-when-compile
+ (require 'gnus-sum))
(autoload 'auth-source-forget-user-or-password "auth-source")
(autoload 'auth-source-user-or-password "auth-source")
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-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")
(defstruct nnimap
group process commands capabilities select-result newlinep server
- last-command-time greeting)
+ last-command-time greeting examined)
(defvar nnimap-object nil)
(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)
(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))
(insert-buffer-substring
(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 &optional inhibit-create)
(let (port credentials)
;; Request the credentials from all ports, but only query on the
(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)))
- (block nil
- (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
- (setq port
- (or nnimap-server-port
- (if (netrc-find-service-number "imap")
- "imap"
- "143"))))
- '("143" "imap"))
- ((eq nnimap-stream 'shell)
- (nnimap-open-shell-stream
- "*nnimap*" (current-buffer) nnimap-address
- (setq port (or nnimap-server-port "imap")))
- '("imap"))
- ((eq nnimap-stream 'starttls)
- (let ((tls-program (nnimap-extend-tls-programs)))
- (open-tls-stream
- "*nnimap*" (current-buffer) nnimap-address
- (setq port (or nnimap-server-port "imap"))
- 'starttls))
- '("imap"))
- ((memq nnimap-stream '(ssl tls))
- (funcall (if (fboundp 'open-gnutls-stream)
- 'open-gnutls-stream
- 'open-tls-stream)
- "*nnimap*" (current-buffer) nnimap-address
- (setq port
- (or nnimap-server-port
- (if (netrc-find-service-number "imaps")
- "imaps"
- "993"))))
- '("143" "993" "imap" "imaps"))
- (t
- (error "Unknown stream type: %s" nnimap-stream))))
- connection-result login-result credentials)
- (setf (nnimap-process nnimap-object)
- (get-buffer-process (current-buffer)))
- (if (not (and (nnimap-process nnimap-object)
- (memq (process-status (nnimap-process nnimap-object))
- '(open run))))
- (nnheader-report 'nnimap "Unable to contact %s:%s via %s"
- nnimap-address port nnimap-stream)
- (gnus-set-process-query-on-exit-flag
- (nnimap-process nnimap-object) nil)
- (if (not (setq connection-result (nnimap-wait-for-connection)))
- (nnheader-report 'nnimap
- "%s" (buffer-substring
- (point) (line-end-position)))
+ (with-current-buffer (nnimap-make-process-buffer buffer)
+ (let* ((coding-system-for-read 'binary)
+ (coding-system-for-write 'binary)
+ (port nil)
+ (ports
+ (cond
+ ((or (eq nnimap-stream 'network)
+ (eq nnimap-stream 'starttls))
+ (nnheader-message 7 "Opening connection to %s..."
+ nnimap-address)
+ '("143" "imap"))
+ ((eq nnimap-stream 'shell)
+ (nnheader-message 7 "Opening connection to %s via shell..."
+ nnimap-address)
+ '("imap"))
+ ((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)
+ (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)
+ (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)
- (buffer-substring (line-beginning-position)
- (line-end-position)))
- ;; Store the capabilities.
+ (setf (nnimap-greeting nnimap-object) greeting)
(setf (nnimap-capabilities nnimap-object)
- (mapcar
- #'upcase
- (nnimap-find-parameter
- "CAPABILITY" (cdr (nnimap-command "CAPABILITY")))))
- (when nnimap-server-port
- (push (format "%s" nnimap-server-port) ports))
- ;; If this is a STARTTLS-capable server, then sever the
- ;; connection and start a STARTTLS connection instead.
- (when (and (eq nnimap-stream 'network)
- (member "STARTTLS" (nnimap-capabilities nnimap-object)))
- (let ((nnimap-stream 'starttls))
- (let ((tls-process
- (nnimap-open-connection buffer)))
- ;; If the STARTTLS connection was successful, we
- ;; kill our first non-encrypted connection. If it
- ;; wasn't successful, we just use our unencrypted
- ;; connection.
- (when (memq (process-status tls-process) '(open run))
- (delete-process (nnimap-process nnimap-object))
- (kill-buffer (current-buffer))
- (return tls-process)))))
- (unless (equal connection-result "PREAUTH")
+ (mapcar #'upcase
+ (split-string capabilities)))
+ (unless (gnus-string-match-p "[*.] PREAUTH" greeting)
(if (not (setq credentials
(if (eq nnimap-authenticator 'anonymous)
(list "anonymous"
;; physical address.
(nnimap-credentials nnimap-address ports)))))
(setq nnimap-object nil)
- (setq login-result (nnimap-command "LOGIN %S %S"
- (car credentials)
- (cadr credentials)))
+ (setq login-result
+ (if (and (nnimap-capability "AUTH=PLAIN")
+ (nnimap-capability "LOGINDISABLED"))
+ (nnimap-command
+ "AUTHENTICATE PLAIN %s"
+ (base64-encode-string
+ (format "\000%s\000%s"
+ (nnimap-quote-specials (car credentials))
+ (nnimap-quote-specials (cadr credentials)))))
+ (nnimap-command "LOGIN %S %S"
+ (car credentials)
+ (cadr credentials))))
(unless (car login-result)
;; If the login failed, then forget the credentials
;; that are now possibly cached.
(delete-process (nnimap-process nnimap-object))
(setq nnimap-object nil))))
(when nnimap-object
- (when (member "QRESYNC" (nnimap-capabilities nnimap-object))
+ (when (nnimap-capability "QRESYNC")
(nnimap-command "ENABLE QRESYNC"))
(nnimap-process nnimap-object))))))))
-(defun nnimap-extend-tls-programs ()
- (let ((programs tls-program)
- result)
- (unless (consp programs)
- (setq programs (list programs)))
- (dolist (program programs)
- (when (assoc (car (split-string program)) tls-starttls-switches)
- (push (if (not (string-match "%s" program))
- (concat program " " "%s")
- program)
- result)))
- (nreverse result)))
+(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)
(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 ()
(let ((start (point)))
(forward-sexp 1)
(downcase-region start (point))
- (goto-char (point))
+ (goto-char start)
(read (current-buffer))))
parts (nnimap-find-wanted-parts structure))))
(when (if parts
(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)))
+ (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))
(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
(pop bstruc))
(setq type (car bstruc))
(setq bstruc (car (cdr bstruc)))
- (when (and (stringp (car bstruc))
- (string= (downcase (car bstruc)) "boundary"))
- (setq boundary (cadr 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)))
(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 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
1 group "SELECT")))))
(when (and info
marks)
- (nnimap-update-infos marks (list info)))
+ (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 (or (if uidnext
(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
((and force
(eq nnmail-expiry-target 'delete))
(unless (nnimap-delete-article (gnus-compress-sequence articles))
- (message "Article marked for deletion, but not expunged."))
+ (nnheader-message 7 "Article marked for deletion, but not expunged."))
nil)
(t
(let ((deletable-articles
(dolist (article articles)
(let ((target nnmail-expiry-target))
(with-temp-buffer
+ (mm-disable-multibyte)
(when (nnimap-request-article article group server (current-buffer))
- (message "Expiring article %s:%d" group article)
+ (nnheader-message 7 "Expiring article %s:%d" group article)
(when (functionp target)
(setq target (funcall target group)))
(when (and target
(defun nnimap-find-article-by-message-id (group message-id)
(with-current-buffer (nnimap-buffer)
(erase-buffer)
- (setf (nnimap-group nnimap-object) nil)
- (nnimap-send-command "EXAMINE %S" (utf7-encode group t))
+ (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)
(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)
(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.
(let ((message-id (message-field-value "message-id"))
sequence message)
(nnimap-add-cr)
- (setq message (buffer-string))
+ (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)
(let ((result (nnimap-get-response sequence)))
(if (not (car result))
(progn
- (message "%s" (nnheader-get-report-string 'nnimap))
+ (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))
(with-current-buffer (nnimap-buffer)
(erase-buffer)
(setf (nnimap-group nnimap-object) nil)
- ;; QRESYNC handling isn't implemented.
- (let ((qresyncp (member "notQRESYNC" (nnimap-capabilities nnimap-object)))
+ (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.
active (cdr (assq 'active params))
uidvalidity (cdr (assq 'uidvalidity params))
modseq (cdr (assq 'modseq params)))
+ (setf (nnimap-examined nnimap-object) group)
(if (and qresyncp
uidvalidity
modseq)
(push
- (list 'qresync
- (nnimap-send-command "EXAMINE %S (QRESYNC (%s %s))"
- group uidvalidity modseq)
+ (list (nnimap-send-command "EXAMINE %S (QRESYNC (%s %s))"
+ (utf7-encode group t)
+ uidvalidity modseq)
+ 'qresync
nil group 'qresync)
sequences)
(let ((start
;; examine), but will tell us whether the group
;; is read-only or not.
"SELECT")))
- (push (list (nnimap-send-command "%s %S" command group)
+ (push (list (nnimap-send-command "%s %S" command
+ (utf7-encode group t))
(nnimap-send-command "UID FETCH %d:* FLAGS" start)
start group command)
- sequences)))
- ;; Some servers apparently can't have many outstanding
- ;; commands, so throttle them.
- (when (and (not nnimap-streaming)
- (car sequences))
- (nnimap-wait-for-response (caar sequences))))
+ sequences))))
sequences))))
(deffoo nnimap-finish-retrieve-group-infos (server infos sequences)
(nnimap-possibly-change-group nil server))
(with-current-buffer (nnimap-buffer)
;; Wait for the final data to trickle in.
- (when (nnimap-wait-for-response (cadar sequences) t)
+ (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.
(defun nnimap-update-info (info marks)
(destructuring-bind (existing flags high low uidnext start-article
- permanent-flags uidvalidity) marks
+ 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.
(and old-uidvalidity
(not (equal old-uidvalidity uidvalidity))
(> start-article 1)))
- (gnus-group-remove-parameter info 'uidvalidity))
+ (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))))
+ (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
nil)))
(gnus-set-active
group
- (cons (car (gnus-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
- (if (memq '%* permanent-flags)
- t
- nil)))
- ;; Then update marks and read articles if this isn't a
+ (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 (cdr (assq 'permanent-flags (gnus-info-params info)))
- ;; 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))
- (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)))
+ (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)))
(entry (assoc group nnimap-current-infos)))
(defun nnimap-flags-to-marks (groups)
(let (data group totalp uidnext articles start-article mark permanent-flags
- uidvalidity)
+ uidvalidity vanished highestmodseq)
(dolist (elem groups)
(setq group (car elem)
uidnext (nth 1 elem)
start-article (nth 2 elem)
permanent-flags (nth 3 elem)
uidvalidity (nth 4 elem)
- articles (nthcdr 5 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 uidvalidity)
+ permanent-flags uidvalidity vanished highestmodseq)
data)))
data))
(subst-char-in-region (point-min) (point-max)
?\\ ?% t)
(let (start end articles groups uidnext elems permanent-flags
- uidvalidity)
+ uidvalidity vanished highestmodseq)
(dolist (elem sequences)
(destructuring-bind (group-sequence flag-sequence totalp group command)
elem
(setq start (point))
- ;; The EXAMINE was successful.
(when (and
+ ;; The EXAMINE was successful.
(search-forward (format "\n%d OK " group-sequence) nil t)
(progn
(forward-line 1)
(goto-char start)
(setq uidvalidity
(and (re-search-forward "UIDVALIDITY \\([0-9]+\\)"
- (or end (point-min)) t)
+ (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.
- (search-forward (format "\n%d OK " flag-sequence) nil t))
- (setq start (point))
- (goto-char end)
- (while (search-forward " FETCH " start t)
+ (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 uidvalidity)
+ (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 (id)
+ (let* ((refs (split-string
+ (or (mail-header-references (gnus-summary-article-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)
+ (unless regexp
+ (setq regexp "^[*.] .*\n"))
(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)
(defun nnimap-wait-for-response (sequence &optional messagep)
(let ((process (get-buffer-process (current-buffer)))
openp)
- (goto-char (point-max))
- (while (and (setq openp (memq (process-status process)
- '(open run)))
- (not (re-search-backward
- (format "^%d .*\n" sequence)
- (if nnimap-streaming
- (max (point-min) (- (point) 500))
- (point-min))
- t)))
- (when messagep
- (message "nnimap read %dk" (/ (buffer-size) 1000)))
- (nnheader-accept-process-output process)
- (goto-char (point-max)))
- openp))
+ (condition-case nil
+ (progn
+ (goto-char (point-max))
+ (while (and (setq openp (memq (process-status process)
+ '(open run)))
+ (not (re-search-backward
+ (format "^%d .*\n" sequence)
+ (if nnimap-streaming
+ (max (point-min) (- (point) 500))
+ (point-min))
+ t)))
+ (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))
(split-string
(buffer-substring
(1+ (point))
- (1- (search-forward "]" (line-end-position) 'move)))))
+ (if (search-forward "]" (line-end-position) 'move)
+ (1- (point))
+ (point)))))
((eql char ?\()
(split-string
(buffer-substring
(1+ (point))
- (1- (search-forward ")" (line-end-position) 'move)))))
+ (if (search-forward ")" (line-end-position) 'move)
+ (1- (point))
+ (point)))))
((eql char ?\")
(forward-char 1)
(buffer-substring
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)
(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)