;;; nnmail.el --- mail support functions for the Gnus mail backends
-;; Copyright (C) 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news, mail
(require 'rmail)
(require 'timezone)
(require 'sendmail)
+(eval-when-compile (require 'cl))
(defvar nnmail-split-methods
'(("mail.misc" ""))
the argument. It should return a non-nil value if it thinks that the
mail belongs in that group.
-The last element should always have \"\" as the regexp.")
+The last element should always have \"\" as the regexp.
+
+This variable can also have a function as its value.")
;; Suggested by Erik Selberg <speed@cs.washington.edu>.
(defvar nnmail-crosspost t
directory. You may need to set this variable if other programs are putting
new mail into folder numbers that Gnus has marked as expired.")
+(defvar nnmail-use-long-file-names nil
+ "*If non-nil the mail backends will use long file and directory names.
+If nil, groups like \"mail.misc\" will end up in directories like
+\"mail/misc/\".")
+
(defvar nnmail-expiry-wait 7
- "*Articles that are older than `nnmail-expiry-wait' days will be expired.")
+ "*Expirable articles that are older than this will be expired.
+This variable can either be a number (which will be interpreted as a
+number of days) -- this doesn't have to be an integer. This variable
+can also be `immediate' and `never'.")
(defvar nnmail-expiry-wait-function nil
"*Variable that holds function to specify how old articles should be before they are expired.
The function will be called with the name of the group that the
expiry is to be performed in, and it should return an integer that
says how many days an article can be stored before it is considered
-'old'.
+\"old\". It can also return the values `never' and `immediate'.
Eg.:
(lambda (newsgroup)
(cond ((string-match \"private\" newsgroup) 31)
((string-match \"junk\" newsgroup) 1)
+ ((string-match \"important\" 'never))
(t 7))))")
(defvar nnmail-spool-file
If this variable is a list, all files mentioned in this list will be
used as incoming mailboxes.")
+(defvar nnmail-crash-box "~/.gnus-crash-box"
+ "*File where Gnus will store mail while processing it.")
+
(defvar nnmail-use-procmail nil
"*If non-nil, the mail backends will look in `nnmail-procmail-directory' for spool files.
The file(s) in `nnmail-spool-file' will also be read.")
"*When using procmail (and the like), incoming mail is put in this directory.
The Gnus mail backends will read the mail from this directory.")
-(defvar nnmail-procmail-suffix ".spool"
+(defvar nnmail-procmail-suffix "\\.spool"
"*Suffix of files created by procmail (and the like).
This variable might be a suffix-regexp to match the suffixes of
several files - eg. \".spool[0-9]*\".")
(defvar nnmail-resplit-incoming nil
"*If non-nil, re-split incoming procmail sorted mail.")
+(defvar nnmail-delete-file-function 'delete-file
+ "Function called to delete files in some mail backends.")
+
+(defvar nnmail-crosspost-link-function 'add-name-to-file
+ "Function called to create a copy of a file.
+This is `add-name-to-file' by default, which means that crossposts
+will use hard links. If your file system doesn't allow hard
+links, you could set this variable to `copy-file' instead.")
+
(defvar nnmail-movemail-program "movemail"
"*A command to be executed to move mail from the inbox.
The default is \"movemail\".")
Eg.
-(add-hook 'nnmail-read-incoming-hook
+\(add-hook 'nnmail-read-incoming-hook
(lambda ()
(start-process \"mailsend\" nil
- \"/local/bin/mailsend\" \"read\" \"mbox\")))")
+ \"/local/bin/mailsend\" \"read\" \"mbox\")))
+
+If you have xwatch running, this will alert it that mail has been
+read.
+
+If you use `display-time', you could use something like this:
+
+\(add-hook 'nnmail-read-incoming-hook
+ (lambda ()
+ ;; Update the displayed time, since that will clear out
+ ;; the flag that says you have mail.
+ (if (eq (process-status \"display-time\") 'run)
+ (display-time-filter display-time-process \"\"))))")
;; Suggested by Erik Selberg <speed@cs.washington.edu>.
(defvar nnmail-prepare-incoming-hook nil
"*Hook called before treating incoming mail.
The hook is run in a buffer with all the new, incoming mail.")
+(defvar nnmail-pre-get-new-mail-hook nil
+ "Hook called just before starting to handle new incoming mail.")
+
+(defvar nnmail-post-get-new-mail-hook nil
+ "Hook called just after finishing handling new incoming mail.")
+
;; Suggested by Mejia Pablo J <pjm9806@usl.edu>.
(defvar nnmail-tmp-directory nil
"*If non-nil, use this directory for temporary storage when reading incoming mail.")
(mail . "mailer-daemon\\|postmaster"))
"*Alist of abbreviations allowed in `nnmail-split-fancy'.")
-(defvar nnmail-delete-incoming t
- "*If non-nil, the mail backends will delete incoming files after splitting.
-This is nil by default for reasons of security.")
+(defvar nnmail-delete-incoming nil
+ "*If non-nil, the mail backends will delete incoming files after splitting.")
(defvar nnmail-message-id-cache-length 1000
"*The approximate number of Message-IDs nnmail will keep in its cache.
(defvar nnmail-message-id-cache-file "~/.nnmail-cache"
"*The file name of the nnmail Message-ID cache.")
-(defvar nnmail-delete-duplicates nil
- "*If non-nil, nnmail will delete any duplicate mails it sees.")
+(defvar nnmail-treat-duplicates 'warn
+ "*If non-nil, nnmail keep a cache of Message-IDs to discover mail duplicates.
+Three values are legal: nil, which means that nnmail is not to keep a
+Message-ID cache; `warn', which means that nnmail should insert extra
+headers to warn the user about the duplication (this is the default);
+and `delete', which means that nnmail will delete duplicated mails.")
+
+;;; Internal variables.
\f
-(defconst nnmail-version "nnml 0.0"
+(defconst nnmail-version "nnmail 1.0"
"nnmail version.")
\f
(defun nnmail-request-post (&optional server)
(mail-send-and-exit nil))
-(defun nnmail-request-post-buffer (post group subject header article-buffer
- info follow-to respect-poster)
- (let ((method-address (cdr (assq 'to-address (nth 5 info))))
- from date to reply-to message-of
- references message-id sender cc sendto elt)
- (setq method-address
- (if (and (stringp method-address)
- (string= method-address ""))
- nil method-address))
- (save-excursion
- (set-buffer (get-buffer-create "*mail*"))
- (mail-mode)
- (local-set-key "\C-c\C-c" 'gnus-mail-send-and-exit)
- (if (and (buffer-modified-p)
- (> (buffer-size) 0)
- (not (y-or-n-p "Unsent mail being composed; erase it? ")))
- ()
- (erase-buffer)
- (if post
- (mail-setup method-address subject nil nil nil nil)
- (save-excursion
- (set-buffer article-buffer)
- (goto-char (point-min))
- (narrow-to-region (point-min)
- (progn (search-forward "\n\n") (point)))
- (let ((buffer-read-only nil))
- (set-text-properties (point-min) (point-max) nil))
- (setq from (header-from header))
- (setq date (header-date header))
- (and from
- (let ((stop-pos
- (string-match " *at \\| *@ \\| *(\\| *<" from)))
- (setq message-of
- (concat (if stop-pos (substring from 0 stop-pos) from)
- "'s message of " date))))
- (setq sender (mail-fetch-field "sender"))
- (setq cc (mail-fetch-field "cc"))
- (setq to (mail-fetch-field "to"))
- (setq subject (header-subject header))
- (or (string-match "^[Rr][Ee]:" subject)
- (setq subject (concat "Re: " subject)))
- (setq reply-to (mail-fetch-field "reply-to"))
- (setq references (header-references header))
- (setq message-id (header-id header))
- (widen))
- (setq news-reply-yank-from from)
- (setq news-reply-yank-message-id message-id)
-
- ;; Gather the "to" addresses out of the follow-to list and remove
- ;; them as we go.
- (if (and follow-to (listp follow-to))
- (while (setq elt (assoc "To" follow-to))
- (setq sendto (concat sendto (and sendto ", ") (cdr elt)))
- (setq follow-to (delq elt follow-to))))
- (mail-setup (if (and follow-to (listp follow-to)) sendto
- (or method-address
- (concat (or sender reply-to from "")
- (if to (concat ", " to) "")
- (if cc (concat ", " cc) ""))))
- subject message-of nil article-buffer nil)
- ;; Note that "To" elements should already be in the message.
- (if (and follow-to (listp follow-to))
- (progn
- (goto-char (point-min))
- (re-search-forward "^To:" nil t)
- (beginning-of-line)
- (forward-line 1)
- (while follow-to
- (insert
- (car (car follow-to)) ": " (cdr (car follow-to)) "\n")
- (setq follow-to (cdr follow-to)))))
- ;; Fold long references line to follow RFC1036.
- (mail-position-on-field "References")
- (let ((begin (- (point) (length "References: ")))
- (fill-column 78)
- (fill-prefix "\t"))
- (if references (insert references))
- (if (and references message-id) (insert " "))
- (if message-id (insert message-id))
- ;; The region must end with a newline to fill the region
- ;; without inserting extra newline.
- (fill-region-as-paragraph begin (1+ (point))))))
- (current-buffer))))
-
(defun nnmail-find-file (file)
"Insert FILE in server buffer safely."
(set-buffer nntp-server-buffer)
(progn (insert-file-contents file) t)
(file-error nil)))
-(defun nnmail-article-pathname (group mail-dir)
+(defun nnmail-group-pathname (group dir &optional file)
"Make pathname for GROUP."
- (concat (file-name-as-directory (expand-file-name mail-dir))
- (nnmail-replace-chars-in-string group ?. ?/) "/"))
-
-(defun nnmail-replace-chars-in-string (string from to)
- "Replace characters in STRING from FROM to TO."
- (let ((string (substring string 0)) ;Copy string.
- (len (length string))
- (idx 0))
- ;; Replace all occurrences of FROM with TO.
- (while (< idx len)
- (if (= (aref string idx) from)
- (aset string idx to))
- (setq idx (1+ idx)))
- string))
-
-(defun nnmail-days-between (date1 date2)
- ;; Return the number of days between date1 and date2.
- (let ((d1 (mapcar (lambda (s) (and s (string-to-int s)) )
- (timezone-parse-date date1)))
- (d2 (mapcar (lambda (s) (and s (string-to-int s)) )
- (timezone-parse-date date2))))
- (- (timezone-absolute-from-gregorian
- (nth 1 d1) (nth 2 d1) (car d1))
- (timezone-absolute-from-gregorian
- (nth 1 d2) (nth 2 d2) (car d2)))))
+ (concat
+ (let ((dir (file-name-as-directory (expand-file-name dir))))
+ ;; If this directory exists, we use it directly.
+ (if (or nnmail-use-long-file-names
+ (file-directory-p (concat dir group)))
+ (concat dir group "/")
+ ;; If not, we translate dots into slashes.
+ (concat dir (nnheader-replace-chars-in-string group ?. ?/) "/")))
+ (if file file "")))
+
+(defun nnmail-date-to-time (date)
+ "Convert DATE into time."
+ (let* ((d1 (timezone-parse-date date))
+ (t1 (timezone-parse-time (aref d1 3))))
+ (apply 'encode-time
+ (mapcar (lambda (el)
+ (and el (string-to-number el)))
+ (list
+ (aref t1 2) (aref t1 1) (aref t1 0)
+ (aref d1 2) (aref d1 1) (aref d1 0)
+ (aref d1 4))))))
+
+(defun nnmail-time-less (t1 t2)
+ "Say whether time T1 is less than time T2."
+ (or (< (car t1) (car t2))
+ (and (= (car t1) (car t2))
+ (< (nth 1 t1) (nth 1 t2)))))
+
+(defun nnmail-days-to-time (days)
+ "Convert DAYS into time."
+ (let ((seconds (* 1.0 days 60 60 24))
+ (rest (expt 2 16)))
+ (list (round (/ seconds rest))
+ ;;;!!!Error error error. I'm not a mathematician, though.
+ (condition-case ()
+ (% (round seconds) rest)
+ (error 0)))))
+
+(defun nnmail-time-since (time)
+ "Return the time since DATE."
+ (let* ((current (current-time))
+ rest)
+ (when (stringp time)
+ (setq time (nnmail-date-to-time time)))
+ (setq rest (if (< (nth 1 current) (nth 1 time)) (expt 2 16)))
+ (setcar (cdr time) (- (+ (or rest 0) (nth 1 current)) (nth 1 time)))
+ (setcar time (- (+ (car current) (if rest -1 0)) (car time)))
+ time))
;; Function taken from rmail.el.
-(defun nnmail-move-inbox (inbox tofile)
+(defun nnmail-move-inbox (inbox)
+ "Move INBOX to `nnmail-crash-box'."
(let ((inbox (file-truename
(expand-file-name (substitute-in-file-name inbox))))
+ (tofile (file-truename (expand-file-name
+ (substitute-in-file-name nnmail-crash-box))))
movemail popmail errors)
- ;; Check whether the inbox is to be moved to the special tmp dir.
- (if nnmail-tmp-directory
- (setq tofile (concat (file-name-as-directory nnmail-tmp-directory)
- (file-name-nondirectory tofile))))
- ;; Make the filename unique.
- (setq tofile (nnmail-make-complex-temp-name (expand-file-name tofile)))
- ;; We create the directory the tofile is to reside in if it
- ;; doesn't exist.
- (or (file-exists-p (file-name-directory tofile))
- (make-directory tofile 'parents))
;; If getting from mail spool directory,
;; use movemail to move rather than just renaming,
;; so as to interlock with the mailer.
- (or (setq popmail (string-match "^po:" (file-name-nondirectory inbox)))
- (setq movemail t))
- (if popmail (setq inbox (file-name-nondirectory inbox)))
- (if movemail
- ;; On some systems, /usr/spool/mail/foo is a directory
- ;; and the actual inbox is /usr/spool/mail/foo/foo.
- (if (file-directory-p inbox)
- (setq inbox (expand-file-name (user-login-name) inbox))))
+ (unless (setq popmail (string-match "^po:" (file-name-nondirectory inbox)))
+ (setq movemail t))
+ (when popmail
+ (setq inbox (file-name-nondirectory inbox)))
+ (when (and movemail
+ ;; On some systems, /usr/spool/mail/foo is a directory
+ ;; and the actual inbox is /usr/spool/mail/foo/foo.
+ (file-directory-p inbox))
+ (setq inbox (expand-file-name (user-login-name) inbox)))
(if popmail
(message "Getting mail from post office ...")
- (if (or (and (file-exists-p tofile)
- (/= 0 (nth 7 (file-attributes tofile))))
- (and (file-exists-p inbox)
- (/= 0 (nth 7 (file-attributes inbox)))))
- (message "Getting mail from %s..." inbox)))
+ (when (or (and (file-exists-p tofile)
+ (/= 0 (nth 7 (file-attributes tofile))))
+ (and (file-exists-p inbox)
+ (/= 0 (nth 7 (file-attributes inbox)))))
+ (message "Getting mail from %s..." inbox)))
;; Set TOFILE if have not already done so, and
;; rename or copy the file INBOX to TOFILE if and as appropriate.
- (cond ((or (file-exists-p tofile) (and (not popmail)
- (not (file-exists-p inbox))))
- nil)
+ (cond ((file-exists-p tofile)
+ ;; The crash box exists already.
+ t)
+ ((and (not popmail)
+ (not (file-exists-p inbox)))
+ ;; There is no inbox.
+ (setq tofile nil))
((and (not movemail) (not popmail))
;; Try copying. If that fails (perhaps no space),
;; rename instead.
(save-excursion
(setq errors (generate-new-buffer " *nnmail loss*"))
(buffer-disable-undo errors)
- (call-process
- (expand-file-name nnmail-movemail-program exec-directory)
- nil errors nil inbox tofile)
+ (let ((default-directory "/"))
+ (call-process
+ (expand-file-name nnmail-movemail-program exec-directory)
+ nil errors nil inbox tofile))
(if (not (buffer-modified-p errors))
;; No output => movemail won
nil
(buffer-substring (point-min)
(point-max))))
(sit-for 3)
- nil)))))
+ (setq tofile nil))))))
(and errors
(buffer-name errors)
(kill-buffer errors))
tofile))
-
(defun nnmail-get-active ()
"Returns an assoc of group names and active ranges.
nn*-request-list should have been called before calling this function."
(goto-char (point-min))
(while (re-search-forward
"^\\([^ \t]+\\)[ \t]+\\([0-9]+\\)[ \t]+\\([0-9]+\\)" nil t)
- (setq group-assoc
- (cons (list (buffer-substring (match-beginning 1)
- (match-end 1))
- (cons (string-to-int
- (buffer-substring (match-beginning 3)
- (match-end 3)))
- (string-to-int
- (buffer-substring (match-beginning 2)
- (match-end 2)))))
- group-assoc))))
-
-;; ;; In addition, add all groups mentioned in `nnmail-split-methods'.
-;; (let ((methods (and (not (symbolp nnmail-split-methods))
-;; nnmail-split-methods)))
-;; (while methods
-;; (if (not (assoc (car (car methods)) group-assoc))
-;; (setq group-assoc
-;; (cons (list (car (car methods)) (cons 1 0))
-;; group-assoc)))
-;; (setq methods (cdr methods)))
-
+ ;; We create an alist with `(GROUP (LOW . HIGH))' elements.
+ (push (list (match-string 1)
+ (cons (string-to-int (match-string 3))
+ (string-to-int (match-string 2))))
+ group-assoc)))
group-assoc))
(defun nnmail-save-active (group-assoc file-name)
- (let (group)
- (save-excursion
- (set-buffer (get-buffer-create " *nnmail active*"))
- (buffer-disable-undo (current-buffer))
- (erase-buffer)
- (while group-assoc
- (setq group (car group-assoc))
- (insert (format "%s %d %d y\n" (car group) (cdr (car (cdr group)) )
- (car (car (cdr group)))))
- (setq group-assoc (cdr group-assoc)))
- (write-region 1 (point-max) (expand-file-name file-name) nil 'nomesg)
- (kill-buffer (current-buffer)))))
+ "Save GROUP-ASSOC in ACTIVE-FILE."
+ (when file-name
+ (let (group)
+ (save-excursion
+ (set-buffer (get-buffer-create " *nnmail active*"))
+ (buffer-disable-undo (current-buffer))
+ (erase-buffer)
+ (while group-assoc
+ (setq group (pop group-assoc))
+ (insert (format "%s %d %d y\n" (car group) (cdr (car (cdr group)) )
+ (car (car (cdr group))))))
+ (unless (file-exists-p (file-name-directory file-name))
+ (make-directory (file-name-directory file-name) t))
+ (write-region 1 (point-max) (expand-file-name file-name) nil 'nomesg)
+ (kill-buffer (current-buffer))))))
(defun nnmail-get-split-group (file group)
(if (or (eq nnmail-spool-file 'procmail)
group))
group))
-(defun nnmail-split-incoming (incoming func &optional dont-kill group)
+(defun nnmail-process-babyl-mail-format (func)
+ (let (start message-id content-length do-search end)
+ (while (not (eobp))
+ (goto-char (point-min))
+ (re-search-forward
+ "\f\n0, *unseen,+\n\\(\\*\\*\\* EOOH \\*\\*\\*\n\\)?" nil t)
+ (goto-char (match-end 0))
+ (delete-region (match-beginning 0) (match-end 0))
+ (setq start (point))
+ ;; Skip all the headers in case there are more "From "s...
+ (or (search-forward "\n\n" nil t)
+ (search-forward-regexp "^[^:]*\\( .*\\|\\)$" nil t)
+ (search-forward "\1f\f"))
+ ;; Find the Message-ID header.
+ (save-excursion
+ (if (re-search-backward "^Message-ID:[ \t]*\\(<[^>]*>\\)" nil t)
+ (setq message-id (buffer-substring (match-beginning 1)
+ (match-end 1)))
+ ;; There is no Message-ID here, so we create one.
+ (save-excursion
+ (when (re-search-backward "^Message-ID:" nil t)
+ (beginning-of-line)
+ (insert "Original-")))
+ (forward-line -1)
+ (insert "Message-ID: " (setq message-id (nnmail-message-id))
+ "\n")))
+ ;; Look for a Content-Length header.
+ (if (not (save-excursion
+ (and (re-search-backward
+ "^Content-Length: \\([0-9]+\\)" start t)
+ (setq content-length (string-to-int
+ (buffer-substring
+ (match-beginning 1)
+ (match-end 1))))
+ ;; We destroy the header, since none of
+ ;; the backends ever use it, and we do not
+ ;; want to confuse other mailers by having
+ ;; a (possibly) faulty header.
+ (progn (insert "X-") t))))
+ (setq do-search t)
+ (if (or (= (+ (point) content-length) (point-max))
+ (save-excursion
+ (goto-char (+ (point) content-length))
+ (looking-at "\1f")))
+ (progn
+ (goto-char (+ (point) content-length))
+ (setq do-search nil))
+ (setq do-search t)))
+ ;; Go to the beginning of the next article - or to the end
+ ;; of the buffer.
+ (if do-search
+ (if (re-search-forward "\n\1f" nil t)
+ (goto-char (+ 1 (match-beginning 0)))
+ (goto-char (- (point-max) 1))))
+ (delete-char 1) ; delete ^_
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start (point))
+ (goto-char (point-min))
+ (nnmail-check-duplication message-id func)
+ (setq end (point-max))))
+ (goto-char end))))
+
+(defun nnmail-process-unix-mail-format (func)
+ (let ((delim (concat "^" rmail-unix-mail-delimiter))
+ start message-id content-length end skip head-end)
+ (goto-char (point-min))
+ (if (not (and (re-search-forward delim nil t)
+ (goto-char (match-beginning 0))))
+ ;; Possibly wrong format?
+ (error "Error, unknown mail format! (Possibly corrupted.)")
+ ;; Carry on until the bitter end.
+ (while (not (eobp))
+ (setq start (point)
+ end nil)
+ ;; Find the end of the head.
+ (narrow-to-region
+ start
+ (if (search-forward "\n\n" nil t)
+ (1- (point))
+ ;; This will never happen, but just to be on the safe side --
+ ;; if there is no head-body delimiter, we search a bit manually.
+ (while (and (looking-at "From \\|[^ \t]+:")
+ (not (eobp)))
+ (forward-line 1)
+ (point))))
+ ;; Find the Message-ID header.
+ (goto-char (point-min))
+ (if (re-search-forward "^Message-ID:[ \t]*\\(<[^>]+>\\)" nil t)
+ (setq message-id (match-string 1))
+ (save-excursion
+ (when (re-search-backward "^Message-ID:" nil t)
+ (beginning-of-line)
+ (insert "Original-")))
+ ;; There is no Message-ID here, so we create one.
+ (forward-line 1)
+ (insert "Message-ID: " (setq message-id (nnmail-message-id)) "\n"))
+ ;; Look for a Content-Length header.
+ (goto-char (point-min))
+ (if (not (re-search-forward "^Content-Length: \\([0-9]+\\)" nil t))
+ (setq content-length nil)
+ (setq content-length (string-to-int (match-string 1)))
+ ;; We destroy the header, since none of the backends ever
+ ;; use it, and we do not want to confuse other mailers by
+ ;; having a (possibly) faulty header.
+ (beginning-of-line)
+ (insert "X-"))
+ ;; Find the end of this article.
+ (goto-char (point-max))
+ (widen)
+ (setq head-end (point))
+ ;; We try the Content-Length value.
+ (when content-length
+ (forward-line 1)
+ (setq skip (+ (point) content-length))
+ (when (or (= skip (point-max))
+ (and (< skip (point-max))
+ (goto-char skip)
+ (looking-at delim)))
+ (setq end skip)))
+ (if end
+ (goto-char end)
+ ;; No Content-Length, so we find the beginning of the next
+ ;; article or the end of the buffer.
+ (goto-char head-end)
+ (if (re-search-forward delim nil t)
+ (goto-char (match-beginning 0))
+ (goto-char (point-max))))
+ ;; Allow the backend to save the article.
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start (point))
+ (goto-char (point-min))
+ (nnmail-check-duplication message-id func)
+ (setq end (point-max))))
+ (goto-char end)))))
+
+(defun nnmail-process-mmdf-mail-format (func)
+ (let ((delim "^\^A\^A\^A\^A$")
+ start message-id end)
+ (goto-char (point-min))
+ (if (not (and (re-search-forward delim nil t)
+ (forward-line 1)))
+ ;; Possibly wrong format?
+ (error "Error, unknown mail format! (Possibly corrupted.)")
+ ;; Carry on until the bitter end.
+ (while (not (eobp))
+ (setq start (point))
+ ;; Find the end of the head.
+ (narrow-to-region
+ start
+ (if (search-forward "\n\n" nil t)
+ (1- (point))
+ ;; This will never happen, but just to be on the safe side --
+ ;; if there is no head-body delimiter, we search a bit manually.
+ (while (and (looking-at "From \\|[^ \t]+:")
+ (not (eobp)))
+ (forward-line 1)
+ (point))))
+ ;; Find the Message-ID header.
+ (goto-char (point-min))
+ (if (re-search-forward "^Message-ID:[ \t]*\\(<[^>]+>\\)" nil t)
+ (setq message-id (match-string 1))
+ ;; There is no Message-ID here, so we create one.
+ (save-excursion
+ (when (re-search-backward "^Message-ID:" nil t)
+ (beginning-of-line)
+ (insert "Original-")))
+ (forward-line 1)
+ (insert "Message-ID: " (setq message-id (nnmail-message-id)) "\n"))
+ ;; Find the end of this article.
+ (goto-char (point-max))
+ (widen)
+ (if (re-search-forward delim nil t)
+ (beginning-of-line)
+ (goto-char (point-max)))
+ ;; Allow the backend to save the article.
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start (point))
+ (goto-char (point-min))
+ (nnmail-check-duplication message-id func)
+ (setq end (point-max))))
+ (goto-char end)
+ (forward-line 2)))))
+
+(defun nnmail-split-incoming (incoming func &optional exit-func group)
"Go through the entire INCOMING file and pick out each individual mail.
FUNC will be called with the buffer narrowed to each mail."
- (let ((delim (concat "^" rmail-unix-mail-delimiter))
- ;; If this is a group-specific split, we bind the split
+ (let (;; If this is a group-specific split, we bind the split
;; methods to just this group.
(nnmail-split-methods (if (and group
(or (eq nnmail-spool-file 'procmail)
(not nnmail-resplit-incoming))
(list (list group ""))
nnmail-split-methods))
- start end content-length do-search message-id)
+ start end do-search message-id)
(save-excursion
;; Open the message-id cache.
(nnmail-cache-open)
(insert-file-contents incoming)
(goto-char (point-min))
(save-excursion (run-hooks 'nnmail-prepare-incoming-hook))
- ;; Go to the beginning of the first mail...
- (if (and (re-search-forward delim nil t)
- (goto-char (match-beginning 0)))
- ;; and then carry on until the bitter end.
- (while (not (eobp))
- (setq start (point))
- ;; Skip all the headers in case there are more "From "s...
- (if (not (search-forward "\n\n" nil t))
- (forward-line 1))
- ;; Find the Message-ID header.
- (save-excursion
- (if (re-search-backward "^Message-ID:[ \t]*\\(<[^>]*>\\)" nil t)
- (setq message-id (buffer-substring (match-beginning 1)
- (match-end 1)))
- ;; There is no Message-ID here, so we create one.
- (forward-line -1)
- (insert "Message-ID: " (setq message-id (nnmail-message-id))
- "\n")))
- ;; Look for a Content-Length header.
- (if (not (save-excursion
- (and (re-search-backward
- "^Content-Length: \\([0-9]+\\)" start t)
- (setq content-length (string-to-int
- (buffer-substring
- (match-beginning 1)
- (match-end 1))))
- ;; We destroy the header, since none of
- ;; the backends ever use it, and we do not
- ;; want to confuse other mailers by having
- ;; a (possibly) faulty header.
- (progn (insert "X-") t))))
- (setq do-search t)
- (if (or (= (+ (point) content-length) (point-max))
- (save-excursion
- (goto-char (+ (point) content-length))
- (looking-at delim)))
- (progn
- (goto-char (+ (point) content-length))
- (setq do-search nil))
- (setq do-search t)))
- ;; Go to the beginning of the next article - or to the end
- ;; of the buffer.
- (if do-search
- (if (re-search-forward delim nil t)
- (goto-char (match-beginning 0))
- (goto-char (point-max))))
- (save-excursion
- (save-restriction
- (narrow-to-region start (point))
- (goto-char (point-min))
- ;; If this is a duplicate message, then we do not save it.
- (if (nnmail-cache-id-exists-p message-id)
- (delete-region (point-min) (point-max))
- (nnmail-cache-insert message-id)
- (funcall func))
- (setq end (point-max))))
- (goto-char end)))
+ ;; Handle both babyl, MMDF and unix mail formats, since movemail will
+ ;; use the former when fetching from a mailbox, the latter when
+ ;; fetches from a file.
+ (cond ((or (looking-at "\^L")
+ (looking-at "BABYL OPTIONS:"))
+ (nnmail-process-babyl-mail-format func))
+ ((looking-at "\^A\^A\^A\^A")
+ (nnmail-process-mmdf-mail-format func))
+ (t
+ (nnmail-process-unix-mail-format func)))
;; Close the message-id cache.
(nnmail-cache-close)
- (if dont-kill
- (current-buffer)
- (kill-buffer (current-buffer))))))
+ (if exit-func (funcall exit-func))
+ (kill-buffer (current-buffer)))))
;; Mail crossposts syggested by Brian Edmonds <edmonds@cs.ubc.ca>.
(defun nnmail-article-group (func)
(let ((methods nnmail-split-methods)
(obuf (current-buffer))
(beg (point-min))
- end group-art)
+ end group-art method)
(if (and (sequencep methods) (= (length methods) 1))
;; If there is only just one group to put everything in, we
;; just return a list with just this one method in.
;; Find headers.
(goto-char beg)
(setq end (if (search-forward "\n\n" nil t) (point) (point-max)))
- (set-buffer (get-buffer-create " *nnmail work*"))
- (buffer-disable-undo (current-buffer))
+ (set-buffer nntp-server-buffer)
(erase-buffer)
;; Copy the headers into the work buffer.
(insert-buffer-substring obuf beg end)
(replace-match " " t t))
(if (and (symbolp nnmail-split-methods)
(fboundp nnmail-split-methods))
+ ;; `nnmail-split-methods' is a function, so we just call
+ ;; this function here and use the result.
(setq group-art
(mapcar
(lambda (group) (cons group (funcall func group)))
(condition-case nil
(funcall nnmail-split-methods)
(error
- (message "\
-Problems with `nnmail-split-methods', using `bogus' mail group")
+ (message
+ "Error in `nnmail-split-methods'; using `bogus' mail group")
(sit-for 1)
'("bogus")))))
;; Go throught the split methods to find a match.
(while (and methods (or nnmail-crosspost (not group-art)))
(goto-char (point-max))
- (if (or (cdr methods)
- (not (equal "" (nth 1 (car methods)))))
- (if (and (condition-case ()
- (if (stringp (nth 1 (car methods)))
- (re-search-backward
- (car (cdr (car methods))) nil t)
- ;; Suggested by Brian Edmonds
- ;; <edmonds@cs.ubc.ca>.
- (funcall (nth 1 (car methods))
- (car (car methods))))
- (error nil))
- ;; Don't enter the article into the same group twice.
- (not (assoc (car (car methods)) group-art)))
- (setq group-art
- (cons (cons (car (car methods))
- (funcall func (car (car methods))))
- group-art)))
- (or group-art
- (setq group-art
- (list (cons (car (car methods))
- (funcall func (car (car methods))))))))
- (setq methods (cdr methods))))
- (kill-buffer (current-buffer))
+ (setq method (pop methods))
+ (if (or methods
+ (not (equal "" (nth 1 method))))
+ (when (and
+ (condition-case ()
+ (if (stringp (nth 1 method))
+ (re-search-backward (car (cdr method)) nil t)
+ ;; Function to say whether this is a match.
+ (funcall (nth 1 method) (car method)))
+ (error nil))
+ ;; Don't enter the article into the same
+ ;; group twice.
+ (not (assoc (car method) group-art)))
+ (push (cons (car method) (funcall func (car method)))
+ group-art))
+ ;; This is the final group, which is used as a
+ ;; catch-all.
+ (unless group-art
+ (setq group-art
+ (list (cons (car method)
+ (funcall func (car method)))))))))
group-art))))
(defun nnmail-insert-lines ()
- "Insert how many lines and chars there are in the body of the mail."
+ "Insert how many lines there are in the body of the mail.
+Return the number of characters in the body."
(let (lines chars)
(save-excursion
(goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (progn
- (setq chars (- (point-max) (point)))
- (setq lines (- (count-lines (point) (point-max)) 1))
- (forward-char -1)
- (save-excursion
- (if (re-search-backward "^Lines: " nil t)
- (delete-region (point) (progn (forward-line 1) (point)))))
- (insert (format "Lines: %d\n" lines))
- chars)))))
+ (when (search-forward "\n\n" nil t)
+ (setq chars (- (point-max) (point)))
+ (setq lines (- (count-lines (point) (point-max)) 1))
+ (forward-char -1)
+ (save-excursion
+ (when (re-search-backward "^Lines: " nil t)
+ (delete-region (point) (progn (forward-line 1) (point)))))
+ (insert (format "Lines: %d\n" (max lines 0)))
+ chars))))
(defun nnmail-insert-xref (group-alist)
"Insert an Xref line based on the (group . article) alist."
(save-excursion
(goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (progn
- (forward-char -1)
- (if (re-search-backward "^Xref: " nil t)
- (delete-region (match-beginning 0)
- (progn (forward-line 1) (point))))
- (insert (format "Xref: %s" (system-name)))
- (while group-alist
- (insert (format " %s:%d" (car (car group-alist))
- (cdr (car group-alist))))
- (setq group-alist (cdr group-alist)))
- (insert "\n")))))
+ (when (search-forward "\n\n" nil t)
+ (forward-char -1)
+ (if (re-search-backward "^Xref: " nil t)
+ (delete-region (match-beginning 0)
+ (progn (forward-line 1) (point))))
+ (insert (format "Xref: %s" (system-name)))
+ (while group-alist
+ (insert (format " %s:%d" (car (car group-alist))
+ (cdr (car group-alist))))
+ (setq group-alist (cdr group-alist)))
+ (insert "\n"))))
;; Written by byer@mv.us.adobe.com (Scott Byer).
(defun nnmail-make-complex-temp-name (prefix)
(while (and (not done) (cdr split))
(setq split (cdr split)
done (nnmail-split-it (car split))))
- done)) ((assq split nnmail-split-cache)
+ done))
+ ((assq split nnmail-split-cache)
;; A compiled match expression.
(goto-char (point-max))
(if (re-search-backward (cdr (assq split nnmail-split-cache)) nil t)
(let* ((field (nth 0 split))
(value (nth 1 split))
(regexp (concat "^\\("
- (if (symbolp field)
- (cdr (assq field
- nnmail-split-abbrev-alist))
- field)
- "\\):.*\\<\\("
- (if (symbolp value)
- (cdr (assq value
- nnmail-split-abbrev-alist))
- value)
- "\\>\\)")))
+ (if (symbolp field)
+ (cdr (assq field
+ nnmail-split-abbrev-alist))
+ field)
+ "\\):.*\\<\\("
+ (if (symbolp value)
+ (cdr (assq value
+ nnmail-split-abbrev-alist))
+ value)
+ "\\>\\)")))
(setq nnmail-split-cache
(cons (cons split regexp) nnmail-split-cache))
(goto-char (point-max))
(defun nnmail-get-spool-files (&optional group)
(if (null nnmail-spool-file)
;; No spool file whatsoever.
- nil)
- (let* ((procmails
- ;; If procmail is used to get incoming mail, the files
- ;; are stored in this directory.
- (and (file-exists-p nnmail-procmail-directory)
- (directory-files
- nnmail-procmail-directory
- t (concat (if group group "")
- nnmail-procmail-suffix "$") t)))
- (p procmails))
- ;; Remove any directories that inadvertantly match the procmail
- ;; suffix, which might happen if the suffix is "".
- (while p
- (and (or (file-directory-p (car p))
- (file-symlink-p (car p)))
- (setq procmails (delete (car p) procmails)))
- (setq p (cdr p)))
- (cond ((listp nnmail-spool-file)
- (append nnmail-spool-file procmails))
- ((stringp nnmail-spool-file)
- (cons nnmail-spool-file procmails))
- (t
- procmails))))
+ nil
+ (let* ((procmails
+ ;; If procmail is used to get incoming mail, the files
+ ;; are stored in this directory.
+ (and (file-exists-p nnmail-procmail-directory)
+ (directory-files
+ nnmail-procmail-directory
+ t (concat (if group group "")
+ nnmail-procmail-suffix "$") t)))
+ (p procmails)
+ (crash (when (and (file-exists-p nnmail-crash-box)
+ (> (nth 7 (file-attributes
+ (file-truename nnmail-crash-box))) 0))
+ (list nnmail-crash-box))))
+ ;; Remove any directories that inadvertantly match the procmail
+ ;; suffix, which might happen if the suffix is "".
+ (while p
+ (when (file-directory-p (car p))
+ (setq procmails (delete (car p) procmails)))
+ (setq p (cdr p)))
+ ;; Return the list of spools.
+ (append
+ crash
+ (cond ((listp nnmail-spool-file)
+ (append nnmail-spool-file procmails))
+ ((stringp nnmail-spool-file)
+ (cons nnmail-spool-file procmails))
+ ((eq nnmail-spool-file 'pop)
+ (cons (format "po:%s" (user-login-name)) procmails))
+ (t
+ procmails))))))
;; Activate a backend only if it isn't already activated.
;; If FORCE, re-read the active file even if the backend is
(defvar nnmail-cache-buffer nil)
(defun nnmail-cache-open ()
- (if (or (not nnmail-delete-duplicates)
+ (if (or (not nnmail-treat-duplicates)
(and nnmail-cache-buffer
(buffer-name nnmail-cache-buffer)))
- () ; The buffer is open.
+ () ; The buffer is open.
(save-excursion
(set-buffer
(setq nnmail-cache-buffer
(current-buffer))))
(defun nnmail-cache-close ()
- (if (or (not nnmail-cache-buffer)
- (not nnmail-delete-duplicates)
- (not (buffer-name nnmail-cache-buffer))
- (not (buffer-modified-p nnmail-cache-buffer)))
- () ; The buffer is closed.
+ (when (and nnmail-cache-buffer
+ nnmail-treat-duplicates
+ (buffer-name nnmail-cache-buffer)
+ (buffer-modified-p nnmail-cache-buffer))
(save-excursion
(set-buffer nnmail-cache-buffer)
;; Weed out the excess number of Message-IDs.
(set-buffer-modified-p nil))))
(defun nnmail-cache-insert (id)
- (and nnmail-delete-duplicates
- (save-excursion
- (set-buffer nnmail-cache-buffer)
- (goto-char (point-max))
- (insert id "\n"))))
+ (when nnmail-treat-duplicates
+ (save-excursion
+ (set-buffer nnmail-cache-buffer)
+ (goto-char (point-max))
+ (insert id "\n"))))
(defun nnmail-cache-id-exists-p (id)
- (and nnmail-delete-duplicates
- (save-excursion
- (set-buffer nnmail-cache-buffer)
- (goto-char (point-max))
- (search-backward id nil t))))
-
-
+ (when nnmail-treat-duplicates
+ (save-excursion
+ (set-buffer nnmail-cache-buffer)
+ (goto-char (point-max))
+ (search-backward id nil t))))
+
+(defun nnmail-check-duplication (message-id func)
+ ;; If this is a duplicate message, then we do not save it.
+ (let ((duplication (nnmail-cache-id-exists-p message-id)))
+ (cond
+ ((not duplication)
+ (nnmail-cache-insert message-id)
+ (funcall func))
+ ((eq nnmail-treat-duplicates 'delete)
+ (delete-region (point-min) (point-max)))
+ (t
+ ;; We insert a warning.
+ (let ((case-fold-search t)
+ (newid (nnmail-message-id)))
+ (goto-char (point-min))
+ (when (re-search-forward "^message-id:" nil t)
+ (beginning-of-line)
+ (insert "Original-"))
+ (beginning-of-line)
+ (insert "Message-ID: " newid "\n")
+ (insert "Gnus-Warning: This is a duplication of message "
+ message-id "\n")
+ (nnmail-cache-insert newid)
+ (funcall func))))))
+
+;;; Get new mail.
+
+(defun nnmail-get-value (&rest args)
+ (let ((sym (intern (apply 'format args))))
+ (when (boundp sym)
+ (symbol-value sym))))
+
+(defun nnmail-get-new-mail (method exit-func temp
+ &optional group spool-func)
+ "Read new incoming mail."
+ (let* ((spools (nnmail-get-spool-files group))
+ (group-in group)
+ incoming incomings spool)
+ (when (and (nnmail-get-value "%s-get-new-mail" method)
+ nnmail-spool-file)
+ ;; We first activate all the groups.
+ (nnmail-activate method)
+ ;; Allow the user to hook.
+ (run-hooks 'nnmail-pre-get-new-mail-hook)
+ ;; The we go through all the existing spool files and split the
+ ;; mail from each.
+ (while spools
+ (setq spool (pop spools))
+ ;; We read each spool file if either the spool is a POP-mail
+ ;; spool, or the file exists. We can't check for the
+ ;; existance of POPped mail.
+ (when (or (string-match "^po:" spool)
+ (and (file-exists-p spool)
+ (> (nth 7 (file-attributes (file-truename spool))) 0)))
+ (nnheader-message 3 "%s: Reading incoming mail..." method)
+ (when (and (nnmail-move-inbox spool)
+ (file-exists-p nnmail-crash-box))
+ ;; There is new mail. We first find out if all this mail
+ ;; is supposed to go to some specific group.
+ (setq group (nnmail-get-split-group spool group-in))
+ ;; We split the mail
+ (nnmail-split-incoming
+ nnmail-crash-box (intern (format "%s-save-mail" method))
+ spool-func group)
+ ;; Check whether the inbox is to be moved to the special tmp dir.
+ (setq incoming
+ (nnmail-make-complex-temp-name
+ (expand-file-name
+ (if nnmail-tmp-directory
+ (concat
+ (file-name-as-directory nnmail-tmp-directory)
+ (file-name-nondirectory (concat temp "Incoming")))
+ (concat temp "Incoming")))))
+ (rename-file nnmail-crash-box incoming t)
+ (push incoming incomings))))
+ ;; If we did indeed read any incoming spools, we save all info.
+ (when incomings
+ (nnmail-save-active
+ (nnmail-get-value "%s-group-alist" method)
+ (nnmail-get-value "%s-active-file" method))
+ (when exit-func
+ (funcall exit-func))
+ (run-hooks 'nnmail-read-incoming-hook)
+ (nnheader-message 3 "%s: Reading incoming mail...done" method))
+ ;; Allow the user to hook.
+ (run-hooks 'nnmail-post-get-new-mail-hook)
+ ;; Delete all the temporary files.
+ (while incomings
+ (setq incoming (pop incomings))
+ (and nnmail-delete-incoming
+ (file-exists-p incoming)
+ (file-writable-p incoming)
+ (delete-file incoming))))))
+
+(defun nnmail-expired-article-p (group time force &optional inhibit)
+ "Say whether an article that is TIME old in GROUP should be expired."
+ (if force
+ t
+ (let ((days (or (and nnmail-expiry-wait-function
+ (funcall nnmail-expiry-wait-function group))
+ nnmail-expiry-wait)))
+ (cond ((or (eq days 'never)
+ (and (not force)
+ inhibit))
+ ;; This isn't an expirable group.
+ nil)
+ ((eq days 'immediate)
+ ;; We expire all articles on sight.
+ t)
+ ((equal time '(0 0))
+ ;; This is an ange-ftp group, and we don't have any dates.
+ nil)
+ ((numberp days)
+ (setq days (nnmail-days-to-time days))
+ ;; Compare the time with the current time.
+ (nnmail-time-less days (nnmail-time-since time)))))))
+
(provide 'nnmail)
;;; nnmail.el ends here
projects / gnus / blobdiff