X-Git-Url: http://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Fnnimap.el;h=86bba98c208395dec30396165e95d452e9ea6a27;hb=f40d5045cda7956f87f913f1bfac8e9ce6897467;hp=1785fd9829a24acc2fbea4e9b62d98a00ab2d070;hpb=d5c476a4b620d5813545bf36a5e607336a90b5b4;p=gnus diff --git a/lisp/nnimap.el b/lisp/nnimap.el index 1785fd982..86bba98c2 100644 --- a/lisp/nnimap.el +++ b/lisp/nnimap.el @@ -26,6 +26,10 @@ ;;; Code: +;; For Emacs <22.2 and XEmacs. +(eval-and-compile + (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) + (eval-and-compile (require 'nnheader)) @@ -40,6 +44,10 @@ (require 'utf7) (require 'tls) (require 'parse-time) +(require 'nnmail) + +(eval-when-compile + (require 'gnus-sum)) (autoload 'auth-source-forget-user-or-password "auth-source") (autoload 'auth-source-user-or-password "auth-source") @@ -74,6 +82,9 @@ 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") @@ -114,7 +125,7 @@ textual parts.") (defstruct nnimap group process commands capabilities select-result newlinep server - last-command-time greeting) + last-command-time greeting examined) (defvar nnimap-object nil) @@ -132,6 +143,16 @@ textual parts.") (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) @@ -142,14 +163,7 @@ textual parts.") (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 @@ -167,7 +181,7 @@ textual parts.") (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)) @@ -196,7 +210,8 @@ textual parts.") (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))))) @@ -276,7 +291,7 @@ textual parts.") (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))) @@ -284,6 +299,9 @@ textual parts.") (* 5 60))) (nnimap-send-command "NOOP"))))))) +(declare-function gnutls-negotiate "gnutls" + (proc type &optional priority-string trustfiles keyfiles)) + (defun nnimap-open-connection (buffer) (unless nnimap-keepalive-timer (setq nnimap-keepalive-timer (run-at-time (* 60 15) (* 60 15) @@ -295,7 +313,11 @@ textual parts.") (port nil) (ports (cond - ((eq nnimap-stream 'network) + ((or (eq nnimap-stream 'network) + (and (eq nnimap-stream 'starttls) + (fboundp 'open-gnutls-stream))) + (nnheader-message 7 "Opening connection to %s..." + nnimap-address) (open-network-stream "*nnimap*" (current-buffer) nnimap-address (setq port @@ -305,26 +327,36 @@ textual parts.") "143")))) '("143" "imap")) ((eq nnimap-stream 'shell) + (nnheader-message 7 "Opening connection to %s via shell..." + nnimap-address) (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))) + (nnheader-message 7 "Opening connection to %s via starttls..." + nnimap-address) + (let ((tls-program + '("openssl s_client -connect %h:%p -no_ssl2 -ign_eof -starttls imap"))) (open-tls-stream "*nnimap*" (current-buffer) nnimap-address - (setq port (or nnimap-server-port "imap")) - 'starttls)) + (setq port (or nnimap-server-port "imap")))) '("imap")) ((memq nnimap-stream '(ssl tls)) - (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")))) + (nnheader-message 7 "Opening connection to %s via tls..." + nnimap-address) + (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))) @@ -333,7 +365,8 @@ textual parts.") '(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) + (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 @@ -342,18 +375,23 @@ textual parts.") (setf (nnimap-greeting nnimap-object) (buffer-substring (line-beginning-position) (line-end-position))) - ;; Store the capabilities. - (setf (nnimap-capabilities nnimap-object) - (mapcar - #'upcase - (nnimap-find-parameter - "CAPABILITY" (cdr (nnimap-command "CAPABILITY"))))) + (nnimap-get-capabilities) (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))) + (cond + ((and (or (and (eq nnimap-stream 'network) + (nnimap-capability "STARTTLS")) + (eq nnimap-stream 'starttls)) + (fboundp 'open-gnutls-stream)) + (nnimap-command "STARTTLS") + (gnutls-negotiate (nnimap-process nnimap-object) nil) + ;; Get the capabilities again -- they may have changed + ;; after doing STARTTLS. + (nnimap-get-capabilities)) + ((and (eq nnimap-stream 'network) + (nnimap-capability "STARTTLS")) (let ((nnimap-stream 'starttls)) (let ((tls-process (nnimap-open-connection buffer))) @@ -364,7 +402,7 @@ textual parts.") (when (memq (process-status tls-process) '(open run)) (delete-process (nnimap-process nnimap-object)) (kill-buffer (current-buffer)) - (return tls-process))))) + (return tls-process)))))) (unless (equal connection-result "PREAUTH") (if (not (setq credentials (if (eq nnimap-authenticator 'anonymous) @@ -379,9 +417,18 @@ textual parts.") ;; 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. @@ -394,22 +441,26 @@ textual parts.") (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-get-capabilities () + (setf (nnimap-capabilities nnimap-object) + (mapcar + #'upcase + (nnimap-find-parameter + "CAPABILITY" (cdr (nnimap-command "CAPABILITY")))))) + +(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) @@ -427,6 +478,7 @@ textual parts.") (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 () @@ -460,7 +512,7 @@ textual parts.") (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 @@ -473,12 +525,28 @@ textual 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)) @@ -496,8 +564,11 @@ textual parts.") (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 @@ -548,9 +619,9 @@ textual parts.") (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))) @@ -600,7 +671,14 @@ textual parts.") (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 @@ -617,13 +695,17 @@ textual parts.") (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 (or (if uidnext @@ -647,6 +729,20 @@ textual parts.") (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) @@ -654,16 +750,19 @@ textual parts.") (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))) @@ -673,7 +772,11 @@ textual parts.") (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"))) @@ -703,7 +806,7 @@ textual parts.") ((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 @@ -728,8 +831,9 @@ textual parts.") (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 @@ -766,8 +870,10 @@ textual parts.") (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) @@ -784,7 +890,7 @@ textual parts.") (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) @@ -799,7 +905,7 @@ textual parts.") (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) @@ -838,11 +944,18 @@ textual parts.") (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) @@ -851,11 +964,22 @@ textual parts.") (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)))))))) +(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)) (while (re-search-forward "\r?\n" nil t) @@ -884,6 +1008,7 @@ textual parts.") (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)) @@ -924,52 +1049,54 @@ textual parts.") (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)))))) + (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 (QRESYNC (%s %s))" + (utf7-encode group t) + 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)) - 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)))) + start group command) + sequences)))) sequences)))) (deffoo nnimap-finish-retrieve-group-infos (server infos sequences) @@ -977,10 +1104,13 @@ textual parts.") (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)) - ;; 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. + (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))) @@ -1000,18 +1130,40 @@ textual parts.") (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 (and marks - ;; Ignore groups with no UIDNEXT values. - (nth 4 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. @@ -1019,6 +1171,11 @@ textual parts.") (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 @@ -1031,57 +1188,120 @@ textual parts.") nil))) (gnus-set-active group - (cons (car (gnus-active group)) + (cons (car active) (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)))))))) + ;; 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))) @@ -1091,13 +1311,17 @@ textual parts.") (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) @@ -1109,7 +1333,7 @@ textual parts.") (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)) @@ -1118,38 +1342,69 @@ textual parts.") ;; 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)) @@ -1160,6 +1415,25 @@ textual parts.") (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 @@ -1204,6 +1478,10 @@ textual parts.") (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) @@ -1229,12 +1507,14 @@ textual parts.") (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) @@ -1244,20 +1524,28 @@ textual parts.") (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 "Read %dKB" (/ (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)) @@ -1275,6 +1563,7 @@ textual parts.") (defun nnimap-parse-line (line) (let (char result) (with-temp-buffer + (mm-disable-multibyte) (insert line) (goto-char (point-min)) (while (not (eobp)) @@ -1283,13 +1572,19 @@ textual parts.") (push (cond ((eql char ?\[) - (split-string (buffer-substring - (1+ (point)) - (1- (search-forward "]" (line-end-position) 'move))))) + (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 ")" (line-end-position) 'move))))) + (split-string + (buffer-substring + (1+ (point)) + (if (search-forward ")" (line-end-position) 'move) + (1- (point)) + (point))))) ((eql char ?\") (forward-char 1) (buffer-substring @@ -1357,6 +1652,7 @@ textual parts.") 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) @@ -1409,7 +1705,7 @@ textual parts.") (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. @@ -1429,9 +1725,8 @@ textual parts.") (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)))) @@ -1466,8 +1761,10 @@ textual parts.") (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)