;;; nnimap.el --- IMAP interface for Gnus
-;; Copyright (C) 2010 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2013 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Simon Josefsson <simon@josefsson.org>
(unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
(eval-and-compile
- (require 'nnheader))
+ (require 'nnheader)
+ ;; In Emacs 24, `open-protocol-stream' is an autoloaded alias for
+ ;; `make-network-stream'.
+ (unless (fboundp 'open-protocol-stream)
+ (require 'proto-stream)))
(eval-when-compile
(require 'cl))
(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")
+(autoload 'auth-source-forget+ "auth-source")
+(autoload 'auth-source-search "auth-source")
(nnoo-declare nnimap)
(defvoo nnimap-address nil
"The address of the IMAP server.")
+(defvoo nnimap-user nil
+ "Username to use for authentication to the IMAP server.")
+
(defvoo nnimap-server-port nil
"The IMAP port used.
If nnimap-stream is `ssl', this will default to `imaps'. If not,
it will default to `imap'.")
(defvoo nnimap-stream 'undecided
- "How nnimap will talk to the IMAP server.
-Values are `ssl', `network', `starttls' or `shell'.
-The default is to try `ssl' first, and then `network'.")
+ "How nnimap talks to the IMAP server.
+The value should be either `undecided', `ssl' or `tls',
+`network', `starttls', `plain', or `shell'.
+
+If the value is `undecided', nnimap tries `ssl' first, then falls
+back on `network'.")
(defvoo nnimap-shell-program (if (boundp 'imap-shell-program)
(if (listp imap-shell-program)
"ssh %s imapd"))
(defvoo nnimap-inbox nil
- "The mail box where incoming mail arrives and should be split out of.")
+ "The mail box where incoming mail arrives and should be split out of.
+This can be a string or a list of strings
+For example, \"INBOX\" or (\"INBOX\" \"SENT\").")
(defvoo nnimap-split-methods nil
"How mail is split.
-Uses the same syntax as nnmail-split-methods")
+Uses the same syntax as `nnmail-split-methods'.")
(defvoo nnimap-split-fancy nil
- "Uses the same syntax as nnmail-split-fancy.")
+ "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.")
(defvoo nnimap-authenticator nil
"How nnimap authenticate itself to the server.
-Possible choices are nil (use default methods) or `anonymous'.")
+Possible choices are nil (use default methods), `anonymous',
+`login', `plain' and `cram-md5'.")
(defvoo nnimap-expunge t
"If non-nil, expunge articles after deleting them.
(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
+If t, Gnus 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.")
+(defgroup nnimap nil
+ "IMAP for Gnus."
+ :group 'gnus)
+
+(defcustom nnimap-request-articles-find-limit nil
+ "Limit the number of articles to look for after moving an article."
+ :type 'integer
+ :version "24.3"
+ :group 'nnimap)
+
(defvar nnimap-process nil)
(defvar nnimap-status-string "")
(defstruct nnimap
group process commands capabilities select-result newlinep server
- last-command-time greeting examined)
+ last-command-time greeting examined stream-type initial-resync)
(defvar nnimap-object nil)
(download "gnus-download")
(forward "gnus-forward")))
+(defvar nnimap-quirks
+ '(("QRESYNC" "Zimbra" "QRESYNC ")))
+
+(defvar nnimap-inhibit-logging nil)
+
(defun nnimap-buffer ()
(nnimap-find-process-buffer nntp-server-buffer))
nnmail-extra-headers))))
(deffoo nnimap-retrieve-headers (articles &optional group server fetch-old)
+ (when group
+ (setq group (nnimap-decode-gnus-group group)))
(with-current-buffer nntp-server-buffer
(erase-buffer)
- (when (nnimap-possibly-change-group group server)
+ (when (nnimap-change-group group server)
(with-current-buffer (nnimap-buffer)
(erase-buffer)
(nnimap-wait-for-response
(nnimap-article-ranges (gnus-compress-sequence articles))
(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))
(defun nnimap-transform-headers ()
(goto-char (point-min))
- (let (article bytes lines size string)
+ (let (article lines size string)
(block nil
(while (not (eobp))
- (while (not (looking-at "^\\* [0-9]+ FETCH.*UID \\([0-9]+\\)"))
+ (while (not (looking-at "\\* [0-9]+ FETCH"))
(delete-region (point) (progn (forward-line 1) (point)))
(when (eobp)
(return)))
- (setq article (match-string 1))
+ (goto-char (match-end 0))
;; Unfold quoted {number} strings.
- (while (re-search-forward "[^]][ (]{\\([0-9]+\\)}\r?\n"
- (1+ (line-end-position)) t)
+ (while (re-search-forward
+ "[^]][ (]{\\([0-9]+\\)}\r?\n"
+ (save-excursion
+ ;; Start of the header section.
+ (or (re-search-forward "] {[0-9]+}\r?\n" nil t)
+ ;; Start of the next FETCH.
+ (re-search-forward "\\* [0-9]+ FETCH" nil t)
+ (point-max)))
+ t)
(setq size (string-to-number (match-string 1)))
(delete-region (+ (match-beginning 0) 2) (point))
(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 "%S" (mm-subst-char-in-string ?\n ?\s string))))
(beginning-of-line)
+ (setq article
+ (and (re-search-forward "UID \\([0-9]+\\)" (line-end-position)
+ t)
+ (match-string 1)))
+ (setq lines nil)
(setq size
(and (re-search-forward "RFC822.SIZE \\([0-9]+\\)"
(line-end-position)
(let ((structure (ignore-errors
(read (current-buffer)))))
(while (and (consp structure)
- (not (stringp (car structure))))
+ (not (atom (car structure))))
(setq structure (car structure)))
- (setq lines (nth 7 structure))))
+ (setq lines (if (and
+ (stringp (car structure))
+ (equal (upcase (nth 0 structure)) "MESSAGE")
+ (equal (upcase (nth 1 structure)) "RFC822"))
+ (nth 9 structure)
+ (nth 7 structure)))))
(delete-region (line-beginning-position) (line-end-position))
(insert (format "211 %s Article retrieved." article))
(forward-line 1)
result))
(mapconcat #'identity (nreverse result) ",")))))
-(deffoo nnimap-open-server (server &optional defs)
+(deffoo nnimap-open-server (server &optional defs no-reconnect)
(if (nnimap-server-opened server)
t
(unless (assq 'nnimap-address defs)
(setq defs (append defs (list (list 'nnimap-address server)))))
(nnoo-change-server 'nnimap server defs)
- (or (nnimap-find-connection nntp-server-buffer)
- (nnimap-open-connection nntp-server-buffer))))
+ (if no-reconnect
+ (nnimap-find-connection nntp-server-buffer)
+ (or (nnimap-find-connection nntp-server-buffer)
+ (nnimap-open-connection nntp-server-buffer)))))
(defun nnimap-make-process-buffer (buffer)
(with-current-buffer
- (generate-new-buffer (format "*nnimap %s %s %s*"
+ (generate-new-buffer (format " *nnimap %s %s %s*"
nnimap-address nnimap-server-port
(gnus-buffer-exists-p buffer)))
(mm-disable-multibyte)
(gnus-add-buffer)
(set (make-local-variable 'after-change-functions) nil)
(set (make-local-variable 'nnimap-object)
- (make-nnimap :server (nnoo-current-server 'nnimap)))
+ (make-nnimap :server (nnoo-current-server 'nnimap)
+ :initial-resync 0))
(push (list buffer (current-buffer)) nnimap-connection-alist)
(push (current-buffer) nnimap-process-buffers)
(current-buffer)))
-(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.
- (while (and (null credentials)
- (setq port (pop ports)))
- (setq credentials
- (auth-source-user-or-password
- '("login" "password") address port nil
- (if inhibit-create
- nil
- (null ports)))))
- credentials))
+(defun nnimap-credentials (address ports user)
+ (let* ((auth-source-creation-prompts
+ '((user . "IMAP user at %h: ")
+ (secret . "IMAP password for %u@%h: ")))
+ (found (nth 0 (auth-source-search :max 1
+ :host address
+ :port ports
+ :user user
+ :require '(:user :secret)
+ :create t))))
+ (if found
+ (list (plist-get found :user)
+ (let ((secret (plist-get found :secret)))
+ (if (functionp secret)
+ (funcall secret)
+ secret))
+ (plist-get found :save-function))
+ nil)))
(defun nnimap-keepalive ()
(let ((now (current-time)))
(nnimap-last-command-time nnimap-object)))
;; More than five minutes since the last command.
(* 5 60)))
- (nnimap-send-command "NOOP")))))))
+ (ignore-errors ;E.g. "buffer foo has no process".
+ (nnimap-send-command "NOOP"))))))))
(defun nnimap-open-connection (buffer)
;; Be backwards-compatible -- the earlier value of nnimap-stream was
nil
stream)))
+(defun nnimap-map-port (port)
+ (if (equal port "imaps")
+ "993"
+ port))
+
(defun nnimap-open-connection-1 (buffer)
(unless nnimap-keepalive-timer
(setq nnimap-keepalive-timer (run-at-time (* 60 15) (* 60 15)
- 'nnimap-keepalive)))
+ #'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
- ((or (eq nnimap-stream 'network)
- (eq nnimap-stream 'starttls))
+ ((memq nnimap-stream '(network plain starttls))
(nnheader-message 7 "Opening connection to %s..."
nnimap-address)
- '("143" "imap"))
+ '("imap" "143"))
((eq nnimap-stream 'shell)
(nnheader-message 7 "Opening connection to %s via shell..."
nnimap-address)
((memq nnimap-stream '(ssl tls))
(nnheader-message 7 "Opening connection to %s via tls..."
nnimap-address)
- '("143" "993" "imap" "imaps"))
+ '("imaps" "imap" "993" "143"))
(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")))
+ (push nnimap-server-port ports))
+ (let* ((stream-list
+ (open-protocol-stream
+ "*nnimap*" (current-buffer) nnimap-address
+ (nnimap-map-port (car ports))
+ :type nnimap-stream
+ :return-list t
+ :shell-command nnimap-shell-program
+ :capability-command "1 CAPABILITY\r\n"
+ :end-of-command "\r\n"
+ :success " OK "
+ :starttls-function
+ (lambda (capabilities)
+ (when (gnus-string-match-p "STARTTLS" capabilities)
+ "1 STARTTLS\r\n"))))
+ (stream (car stream-list))
+ (props (cdr stream-list))
+ (greeting (plist-get props :greeting))
+ (capabilities (plist-get props :capabilities))
+ (stream-type (plist-get props :type)))
+ (when (and stream (not (memq (process-status stream) '(open run))))
+ (setq stream nil))
+
+ (when (and (fboundp 'set-network-process-option) ;; Not in XEmacs.
+ (fboundp 'process-type) ;; Emacs 22 doesn't provide it.
+ (eq (process-type stream) 'network))
+ ;; Use TCP-keepalive so that connections that pass through a NAT
+ ;; router don't hang when left idle.
+ (set-network-process-option stream :keepalive t))
+
(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)
+ nnimap-address (car ports) nnimap-stream)
'no-connect)
(gnus-set-process-query-on-exit-flag stream nil)
(if (not (gnus-string-match-p "[*.] \\(OK\\|PREAUTH\\)" greeting))
(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)))))
+ ;; Look for the credentials based on
+ ;; the virtual server name and the address
+ (nnimap-credentials
+ (gnus-delete-duplicates
+ (list
+ nnimap-address
+ (nnoo-current-server 'nnimap)))
+ ports
+ nnimap-user))))
(setq nnimap-object nil)
- (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)
+ (let ((nnimap-inhibit-logging t))
+ (setq login-result
+ (nnimap-login (car credentials) (cadr credentials))))
+ (if (car login-result)
+ (progn
+ ;; Save the credentials if a save function exists
+ ;; (such a function will only be passed if a new
+ ;; token was created).
+ (when (functionp (nth 2 credentials))
+ (funcall (nth 2 credentials)))
+ ;; See if CAPABILITY is set as part of login
+ ;; response.
+ (dolist (response (cddr login-result))
+ (when (string= "CAPABILITY" (upcase (car response)))
+ (setf (nnimap-capabilities nnimap-object)
+ (mapcar #'upcase (cdr response))))))
;; 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))))
+ (auth-source-forget+ :host host :port port)))
(delete-process (nnimap-process nnimap-object))
(setq nnimap-object nil))))
(when nnimap-object
(when (nnimap-capability "QRESYNC")
(nnimap-command "ENABLE QRESYNC"))
+ (nnheader-message 7 "Opening connection to %s...done"
+ nnimap-address)
(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)
+ (or (null nnimap-authenticator)
+ (eq nnimap-authenticator 'login)))
+ (nnimap-command "LOGIN %S %S" user password))
+ ((and (nnimap-capability "AUTH=CRAM-MD5")
+ (or (null nnimap-authenticator)
+ (eq nnimap-authenticator '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)))
+ ((and (not (nnimap-capability "LOGINDISABLED"))
+ (or (null nnimap-authenticator)
+ (eq nnimap-authenticator 'login)))
+ (nnimap-command "LOGIN %S %S" user password))
+ ((and (nnimap-capability "AUTH=PLAIN")
+ (or (null nnimap-authenticator)
+ (eq nnimap-authenticator '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)
nnimap-status-string)
(deffoo nnimap-request-article (article &optional group server to-buffer)
+ (when group
+ (setq group (nnimap-decode-gnus-group group)))
(with-current-buffer nntp-server-buffer
- (let ((result (nnimap-possibly-change-group group server))
+ (let ((result (nnimap-change-group group server))
parts structure)
(when (stringp article)
- (setq article (nnimap-find-article-by-message-id group article)))
+ (setq article (nnimap-find-article-by-message-id group server article)))
(when (and result
article)
(erase-buffer)
(nnimap-get-whole-article article))
(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)))))))))
+ (nnheader-insert-buffer-substring buffer)
+ (nnheader-ms-strip-cr)))
+ (cons group article)))))))
(deffoo nnimap-request-head (article &optional group server to-buffer)
- (when (nnimap-possibly-change-group group server)
+ (when group
+ (setq group (nnimap-decode-gnus-group group)))
+ (when (nnimap-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))))))
+ (setq article (nnimap-find-article-by-message-id group server 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
;; 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)))
(if (consp (caar structure))
(nnimap-insert-partial-structure (pop structure) parts t)
(let ((bit (pop structure)))
- (insert (format "Content-type: %s/%s"
- (downcase (nth 0 bit))
- (downcase (nth 1 bit))))
- (if (member "CHARSET" (nth 2 bit))
+ (insert (format "Content-type: %s/%s"
+ (downcase (nth 0 bit))
+ (downcase (nth 1 bit))))
+ (if (member-ignore-case "CHARSET" (nth 2 bit))
(insert (format
- "; charset=%S\n" (cadr (member "CHARSET" (nth 2 bit)))))
+ "; charset=%S\n"
+ (cadr (member-ignore-case "CHARSET" (nth 2 bit)))))
(insert "\n"))
(insert (format "Content-transfer-encoding: %s\n"
(nth 5 bit)))
(incf num)))
(nreverse parts)))
+(defun nnimap-decode-gnus-group (group)
+ (decode-coding-string group 'utf-8))
+
(deffoo nnimap-request-group (group &optional server dont-check info)
- (let ((result (nnimap-possibly-change-group
+ (setq group (nnimap-decode-gnus-group group))
+ (let ((result (nnimap-change-group
;; Don't SELECT the group if we're going to select it
;; later, anyway.
- (if (and dont-check
+ (if (and (not dont-check)
(assoc group nnimap-current-infos))
nil
group)
t))))
(deffoo nnimap-request-create-group (group &optional server args)
- (when (nnimap-possibly-change-group nil server)
+ (setq group (nnimap-decode-gnus-group group))
+ (when (nnimap-change-group nil server)
(with-current-buffer (nnimap-buffer)
(car (nnimap-command "CREATE %S" (utf7-encode group t))))))
(deffoo nnimap-request-delete-group (group &optional force server)
- (when (nnimap-possibly-change-group nil server)
+ (setq group (nnimap-decode-gnus-group group))
+ (when (nnimap-change-group nil server)
(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)
+ (setq group (nnimap-decode-gnus-group group))
+ (when (nnimap-change-group nil server)
(with-current-buffer (nnimap-buffer)
(nnimap-unselect-group)
(car (nnimap-command "RENAME %S %S"
(nnimap-command "EXAMINE DOES.NOT.EXIST"))
(deffoo nnimap-request-expunge-group (group &optional server)
- (when (nnimap-possibly-change-group group server)
+ (setq group (nnimap-decode-gnus-group group))
+ (when (nnimap-change-group group server)
(with-current-buffer (nnimap-buffer)
(car (nnimap-command "EXPUNGE")))))
(deffoo nnimap-request-move-article (article group server accept-form
&optional last internal-move-group)
+ (setq group (nnimap-decode-gnus-group group))
+ (when internal-move-group
+ (setq internal-move-group (nnimap-decode-gnus-group internal-move-group)))
(with-temp-buffer
(mm-disable-multibyte)
(when (funcall (if internal-move-group
(cons internal-move-group
(or (nnimap-find-uid-response "COPYUID" (cadr result))
(nnimap-find-article-by-message-id
- internal-move-group message-id)))))
+ internal-move-group server message-id
+ nnimap-request-articles-find-limit)))))
;; Move the article to a different method.
(let ((result (eval accept-form)))
(when result
+ (nnimap-change-group group server)
(nnimap-delete-article article)
result)))))))
(deffoo nnimap-request-expire-articles (articles group &optional server force)
+ (setq group (nnimap-decode-gnus-group group))
(cond
((null articles)
nil)
- ((not (nnimap-possibly-change-group group server))
+ ((not (nnimap-change-group group server))
articles)
((and force
(eq nnmail-expiry-target 'delete))
(gnus-server-equal (gnus-group-method nnmail-expiry-target)
(gnus-server-to-method
(format "nnimap:%s" server))))
- (and (nnimap-possibly-change-group group server)
+ (and (nnimap-change-group group server)
(with-current-buffer (nnimap-buffer)
(nnheader-message 7 "Expiring articles from %s: %s" group articles)
(nnimap-command
(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)))
+ (if (and target
+ (not (eq target 'delete)))
+ (if (or (gnus-request-group target t)
+ (gnus-request-create-group target))
+ (progn
+ (nnmail-expiry-target-group target group)
+ (nnheader-message 7 "Expiring article %s:%d to %s"
+ group article target))
+ (setq target nil))
+ (nnheader-message 7 "Expiring article %s:%d" group article))
(when target
(push article deleted-articles))))))))
;; Change back to the current group again.
- (nnimap-possibly-change-group group server)
+ (nnimap-change-group group server)
(setq deleted-articles (nreverse deleted-articles))
(nnimap-delete-article (gnus-compress-sequence deleted-articles))
deleted-articles))
(cdr (assoc "SEARCH" (cdr result))))))))))
-(defun nnimap-find-article-by-message-id (group message-id)
+(defun nnimap-find-article-by-message-id (group server message-id
+ &optional limit)
+ "Search for message with MESSAGE-ID in GROUP from SERVER.
+If LIMIT, first try to limit the search to the N last articles."
(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))))))
+ (let* ((change-group-result (nnimap-change-group group server nil t))
+ (number-of-article
+ (and (listp change-group-result)
+ (catch 'found
+ (dolist (result (cdr change-group-result))
+ (when (equal "EXISTS" (cadr result))
+ (throw 'found (car result)))))))
+ (sequence
+ (nnimap-send-command
+ "UID SEARCH%s HEADER Message-Id %S"
+ (if (and limit number-of-article)
+ ;; The -1 is because IMAP message
+ ;; numbers are one-based rather than
+ ;; zero-based.
+ (format " %s:*" (- (string-to-number number-of-article)
+ limit -1))
+ "")
+ message-id)))
+ (when (nnimap-wait-for-response sequence)
+ (let ((article (car (last (cdr (assoc "SEARCH"
+ (nnimap-parse-response)))))))
+ (if article
+ (string-to-number article)
+ (when (and limit number-of-article)
+ (nnimap-find-article-by-message-id group server message-id))))))))
(defun nnimap-delete-article (articles)
(with-current-buffer (nnimap-buffer)
"delete this article now"))))))
(deffoo nnimap-request-scan (&optional group server)
- (when (and (nnimap-possibly-change-group nil server)
+ (when group
+ (setq group (nnimap-decode-gnus-group group)))
+ (when (and (nnimap-change-group nil server)
nnimap-inbox
nnimap-split-methods)
(nnheader-message 7 "nnimap %s splitting mail..." server)
- (nnimap-split-incoming-mail)))
+ (if (listp nnimap-inbox)
+ (dolist (nnimap-inbox nnimap-inbox)
+ (nnimap-split-incoming-mail))
+ (nnimap-split-incoming-mail))
+ (nnheader-message 7 "nnimap %s splitting mail...done" server)))
(defun nnimap-marks-to-flags (marks)
(let (flags flag)
(push flag flags)))
flags))
+(deffoo nnimap-request-update-group-status (group status &optional server)
+ (setq group (nnimap-decode-gnus-group group))
+ (when (nnimap-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)
+ (setq group (nnimap-decode-gnus-group group))
+ (when (nnimap-change-group group server)
(let (sequence)
(with-current-buffer (nnimap-buffer)
(erase-buffer)
((eq action 'set) ""))
(mapconcat #'identity flags " ")))))))
;; Wait for the last command to complete to avoid later
- ;; syncronisation problems with the stream.
+ ;; synchronization problems with the stream.
(when sequence
(nnimap-wait-for-response sequence))))))
(deffoo nnimap-request-accept-article (group &optional server last)
- (when (nnimap-possibly-change-group nil server)
+ (setq group (nnimap-decode-gnus-group group))
+ (when (nnimap-change-group nil server)
(nnmail-check-syntax)
(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)))
- (if (not (car result))
- (progn
- (nnheader-message 7 "%s" (nnheader-get-report-string 'nnimap))
- nil)
- (cons group
- (or (nnimap-find-uid-response "APPENDUID" (car result))
- (nnimap-find-article-by-message-id
- group message-id)))))))))
+ (when (setq message (or (nnimap-process-quirk "OK Gimap " 'append message)
+ message))
+ ;; 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)))
+ (if (not (nnimap-ok-p result))
+ (progn
+ (nnheader-report 'nnimap "%s" result)
+ nil)
+ (cons group
+ (or (nnimap-find-uid-response "APPENDUID" (car result))
+ (nnimap-find-article-by-message-id
+ group server message-id
+ nnimap-request-articles-find-limit))))))))))
+
+(defun nnimap-process-quirk (greeting-match type data)
+ (when (and (nnimap-greeting nnimap-object)
+ (string-match greeting-match (nnimap-greeting nnimap-object))
+ (eq type 'append)
+ (string-match "\000" data))
+ (let ((choice (gnus-multiple-choice
+ "Message contains NUL characters. Delete, continue, abort? "
+ '((?d "Delete NUL characters")
+ (?c "Try to APPEND the message as is")
+ (?a "Abort")))))
+ (cond
+ ((eq choice ?a)
+ (nnheader-report 'nnimap "Aborted APPEND due to NUL characters"))
+ ((eq choice ?c)
+ data)
+ (t
+ (with-temp-buffer
+ (insert data)
+ (goto-char (point-min))
+ (while (search-forward "\000" nil t)
+ (replace-match "" t t))
+ (buffer-string)))))))
+
+(defun nnimap-ok-p (value)
+ (and (consp value)
+ (consp (car value))
+ (equal (caar value) "OK")))
(defun nnimap-find-uid-response (name list)
(let ((result&
projects / gnus / blobdiff