;;; nnmail.el --- mail support functions for the Gnus mail backends
-;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news, mail
;; This file is part of GNU Emacs.
(eval-when-compile (require 'cl))
(require 'nnheader)
-(require 'timezone)
(require 'message)
(require 'custom)
+(require 'gnus-util)
(eval-and-compile
- (autoload 'gnus-error "gnus-util"))
+ (autoload 'gnus-error "gnus-util")
+ (autoload 'gnus-buffer-live-p "gnus-util"))
(defgroup nnmail nil
"Reading mail with Gnus."
(defcustom nnmail-split-methods
'(("mail.misc" ""))
- "Incoming mail will be split according to this variable.
+ "*Incoming mail will be split according to this variable.
If you'd like, for instance, one mail group for mail from the
\"4ad-l\" mailing list, one group for junk mail and one for everything
(defcustom nnmail-spool-file
(or (getenv "MAIL")
(concat "/usr/spool/mail/" (user-login-name)))
- "Where the mail backends will look for incoming mail.
+ "*Where the mail backends will look for incoming mail.
This variable is \"/usr/spool/mail/$user\" by default.
If this variable is nil, no mail backends will read incoming mail.
If this variable is a list, all files mentioned in this list will be
If this variable is a directory (i. e., it's name ends with a \"/\"),
treat all files in that directory as incoming spool files."
:group 'nnmail-files
- :type 'file)
+ :type '(choice (file :tag "File")
+ (repeat :tag "Files" file)))
(defcustom nnmail-crash-box "~/.gnus-crash-box"
"File where Gnus will store mail while processing it."
:type 'function)
(defcustom nnmail-crosspost-link-function
- (if (string-match "windows-nt\\|emx" (format "%s" system-type))
+ (if (string-match "windows-nt\\|emx" (symbol-name system-type))
'copy-file
'add-name-to-file)
- "Function called to create a copy of a file.
+ "*Function called to create a copy of a file.
This is `add-name-to-file' by default, which means that crossposts
will use hard links. If your file system doesn't allow hard
links, you could set this variable to `copy-file' instead."
(if (eq system-type 'windows-nt)
'(nnheader-ms-strip-cr)
nil)
- "Hook that will be run after the incoming mail has been transferred.
+ "*Hook that will be run after the incoming mail has been transferred.
The incoming mail is moved from `nnmail-spool-file' (which normally is
something like \"/usr/spool/mail/$user\") to the user's home
directory. This hook is called after the incoming mail box has been
"Incoming mail can be split according to this fancy variable.
To enable this, set `nnmail-split-methods' to `nnmail-split-fancy'.
-The format is this variable is SPLIT, where SPLIT can be one of
+The format of this variable is SPLIT, where SPLIT can be one of
the following:
GROUP: Mail will be stored in GROUP (a string).
(from . "from\\|sender\\|resent-from")
(nato . "to\\|cc\\|resent-to\\|resent-cc")
(naany . "from\\|to\\|cc\\|sender\\|resent-from\\|resent-to\\|resent-cc"))
- "Alist of abbreviations allowed in `nnmail-split-fancy'."
+ "*Alist of abbreviations allowed in `nnmail-split-fancy'."
:group 'nnmail-split
:type '(repeat (cons :format "%v" symbol regexp)))
(defvar nnmail-internal-password nil)
+(defvar nnmail-split-tracing nil)
+(defvar nnmail-split-trace nil)
+
\f
(defconst nnmail-version "nnmail 1.0"
(defun nnmail-request-post (&optional server)
(mail-send-and-exit nil))
-;; 1997/5/4 by MORIOKA Tomohiko <morioka@jaist.ac.jp>
-(defvar nnmail-file-coding-system 'raw-text
+(defvar nnmail-file-coding-system 'binary
"Coding system used in nnmail.")
(defun nnmail-find-file (file)
(let ((format-alist nil)
(after-insert-file-functions nil))
(condition-case ()
- ;; 1997/5/4 by MORIOKA Tomohiko <morioka@jaist.ac.jp>
(let ((coding-system-for-read nnmail-file-coding-system)
- ;; 1997/8/12 by MORIOKA Tomohiko
- ;; for XEmacs/mule.
- (pathname-coding-system 'binary))
+ (pathname-coding-system nnmail-file-coding-system))
(insert-file-contents file)
t)
(file-error nil))))
-;; 1997/8/10 by MORIOKA Tomohiko
(defvar nnmail-pathname-coding-system
'iso-8859-1
"*Coding system for pathname.")
(concat dir group "/")
;; If not, we translate dots into slashes.
(concat dir
- (gnus-encode-coding-string
+ (mm-encode-coding-string
(nnheader-replace-chars-in-string group ?. ?/)
nnmail-pathname-coding-system)
"/")))
(or file "")))
-(defun nnmail-date-to-time (date)
- "Convert DATE into time."
- (condition-case ()
- (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)
- (number-to-string
- (* 60 (timezone-zone-to-minute (aref d1 4))))))))
- ;; If we get an error, then we just return a 0 time.
- (error (list 0 0))))
-
-(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))
- (ms (condition-case nil (round (/ seconds rest))
- (range-error (expt 2 16)))))
- (list ms (condition-case nil (round (- seconds (* ms rest)))
- (range-error (expt 2 16))))))
-
-(defun nnmail-time-since (time)
- "Return the time since TIME, which is either an internal time or a date."
- (when (stringp time)
- ;; Convert date strings to internal time.
- (setq time (nnmail-date-to-time time)))
- (let* ((current (current-time))
- (rest (when (< (nth 1 current) (nth 1 time))
- (expt 2 16))))
- (list (- (+ (car current) (if rest -1 0)) (car time))
- (- (+ (or rest 0) (nth 1 current)) (nth 1 time)))))
-
;; Function rewritten from rmail.el.
(defun nnmail-move-inbox (inbox)
"Move INBOX to `nnmail-crash-box'."
(nnmail-read-passwd
(format "Password for %s: "
(substring inbox (+ popmail 3))))))
- (message "Getting mail from the post office..."))
+ (nnheader-message 5 "Getting mail from the post office..."))
(when (or (and (file-exists-p tofile)
(/= 0 (nnheader-file-size tofile)))
(and (file-exists-p inbox)
(/= 0 (nnheader-file-size inbox))))
- (message "Getting mail from %s..." inbox)))
+ (nnheader-message 5 "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
nil errors nil inbox tofile)
(when nnmail-internal-password
(list nnmail-internal-password)))))))
+ (push inbox nnmail-moved-inboxes)
(if (and (not (buffer-modified-p errors))
(zerop result))
;; No output => movemail won
(progn
(unless popmail
(when (file-exists-p tofile)
- (set-file-modes tofile nnmail-default-file-modes)))
- (push inbox nnmail-moved-inboxes))
+ (set-file-modes tofile nnmail-default-file-modes))))
(set-buffer errors)
;; There may be a warning about older revisions. We
;; ignore those.
(progn
(unless popmail
(when (file-exists-p tofile)
- (set-file-modes tofile nnmail-default-file-modes)))
- (push inbox nnmail-moved-inboxes))
+ (set-file-modes
+ tofile nnmail-default-file-modes))))
;; Probably a real error.
+ ;; We nix out the password in case the error
+ ;; was because of a wrong password being given.
+ (setq nnmail-internal-password nil)
(subst-char-in-region (point-min) (point-max) ?\n ?\ )
(goto-char (point-max))
(skip-chars-backward " \t")
(buffer-string) result))
(error "%s" (buffer-string)))
(setq tofile nil)))))))
- (message "Getting mail from %s...done" inbox)
+ (nnheader-message 5 "Getting mail from %s...done" inbox)
(and errors
(buffer-name errors)
(kill-buffer errors))
group-assoc)))
group-assoc))
-;; 1997/8/12 by MORIOKA Tomohiko
-(defvar nnmail-active-file-coding-system
- 'iso-8859-1
+(defvar nnmail-active-file-coding-system 'binary
"*Coding system for active file.")
(defun nnmail-save-active (group-assoc file-name)
"Save GROUP-ASSOC in ACTIVE-FILE."
(let ((coding-system-for-write nnmail-active-file-coding-system))
(when file-name
- (nnheader-temp-write file-name
+ (with-temp-file file-name
(nnmail-generate-active group-assoc)))))
(defun nnmail-generate-active (alist)
is a spool. If not using procmail, return GROUP."
(if (or (eq nnmail-spool-file 'procmail)
nnmail-use-procmail)
- (if (string-match (concat "^" (expand-file-name
- (file-name-as-directory
- nnmail-procmail-directory))
- "\\([^/]*\\)" nnmail-procmail-suffix "$")
+ (if (string-match (concat "^" (regexp-quote
+ (expand-file-name
+ (file-name-as-directory
+ nnmail-procmail-directory)))
+ "\\([^/]*\\)"
+ nnmail-procmail-suffix "$")
(expand-file-name file))
(let ((procmail-group (substring (expand-file-name file)
(match-beginning 1)
(defun nnmail-process-babyl-mail-format (func artnum-func)
(let ((case-fold-search t)
start message-id content-length do-search end)
- (goto-char (point-min))
(while (not (eobp))
+ (goto-char (point-min))
(re-search-forward
"\f\n0, *unseen,+\n\\(\\*\\*\\* EOOH \\*\\*\\*\n\\)?" nil t)
(goto-char (match-end 0))
(goto-char (match-beginning 0))))
;; Possibly wrong format?
(progn
- (pop-to-buffer (find-file-noselect nnmail-current-spool))
+ (pop-to-buffer (nnheader-find-file-noselect nnmail-current-spool))
(error "Error, unknown mail format! (Possibly corrupted.)"))
;; Carry on until the bitter end.
(while (not (eobp))
(forward-line 1)))
;; Possibly wrong format?
(progn
- (pop-to-buffer (find-file-noselect nnmail-current-spool))
+ (pop-to-buffer (nnheader-find-file-noselect nnmail-current-spool))
(error "Error, unknown mail format! (Possibly corrupted.)"))
;; Carry on until the bitter end.
(while (not (eobp))
(funcall exit-func))
(kill-buffer (current-buffer)))))
-(defun nnmail-article-group (func)
+(defun nnmail-article-group (func &optional trace)
"Look at the headers and return an alist of groups that match.
FUNC will be called with the group name to determine the article number."
(let ((methods nnmail-split-methods)
(obuf (current-buffer))
(beg (point-min))
end group-art method regrepp)
- (if (and (sequencep methods) (= (length methods) 1))
+ (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.
(setq group-art
(goto-char (point-min))
(while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
(replace-match " " t t))
+ ;; Nuke pathologically long headers. Since Gnus applies
+ ;; pathologically complex regexps to the buffer, lines
+ ;; that are looong will take longer than the Universe's
+ ;; existence to process.
+ (goto-char (point-min))
+ (while (not (eobp))
+ (end-of-line)
+ (if (> (current-column) 1024)
+ (gnus-delete-line)
+ (forward-line 1)))
;; Allow washing.
+ (goto-char (point-min))
(run-hooks 'nnmail-split-hook)
+ (when (setq nnmail-split-tracing trace)
+ (setq nnmail-split-trace nil))
(if (and (symbolp nnmail-split-methods)
(fboundp nnmail-split-methods))
(let ((split
(or (funcall nnmail-split-methods)
'("bogus"))
(error
- (message
+ (nnheader-message 5
"Error in `nnmail-split-methods'; using `bogus' mail group")
(sit-for 1)
'("bogus")))))
+ (setq split (gnus-remove-duplicates split))
;; The article may be "cross-posted" to `junk'. What
;; to do? Just remove the `junk' spec. Don't really
;; see anything else to do...
(setq group-art
(list (cons (car method)
(funcall func (car method)))))))))
+ ;; Produce a trace if non-empty.
+ (when (and trace nnmail-split-trace)
+ (let ((trace (nreverse nnmail-split-trace))
+ (restore (current-buffer)))
+ (nnheader-set-temp-buffer "*Split Trace*")
+ (gnus-add-buffer)
+ (while trace
+ (insert (car trace) "\n")
+ (setq trace (cdr trace)))
+ (goto-char (point-min))
+ (gnus-configure-windows 'split-trace)
+ (set-buffer restore)))
;; See whether the split methods returned `junk'.
(if (equal group-art '(junk))
nil
(insert (format "Xref: %s" (system-name)))
(while group-alist
(insert (format " %s:%d"
- (gnus-encode-coding-string (caar group-alist)
- nnmail-pathname-coding-system)
+ (mm-encode-coding-string
+ (caar group-alist)
+ nnmail-pathname-coding-system)
(cdar group-alist)))
(setq group-alist (cdr group-alist)))
(insert "\n"))))
(defun nnmail-split-it (split)
;; Return a list of groups matching SPLIT.
- (cond
- ;; nil split
- ((null split)
- nil)
-
- ;; A group name. Do the \& and \N subs into the string.
- ((stringp split)
- (list (nnmail-expand-newtext split)))
-
- ;; Junk the message.
- ((eq split 'junk)
- (list 'junk))
-
- ;; Builtin & operation.
- ((eq (car split) '&)
- (apply 'nconc (mapcar 'nnmail-split-it (cdr split))))
-
- ;; Builtin | operation.
- ((eq (car split) '|)
- (let (done)
- (while (and (not done) (cdr split))
- (setq split (cdr split)
- done (nnmail-split-it (car split))))
- done))
-
- ;; Builtin : operation.
- ((eq (car split) ':)
- (nnmail-split-it (save-excursion (eval (cdr split)))))
-
- ;; Check the cache for the regexp for this split.
- ;; FIX FIX FIX could avoid calling assq twice here
- ((assq split nnmail-split-cache)
- (goto-char (point-max))
- ;; FIX FIX FIX problem with re-search-backward is that if you have
- ;; a split: (from "foo-\\(bar\\|baz\\)@gnus.org "mail.foo.\\1")
- ;; and someone mails a message with 'To: foo-bar@gnus.org' and
- ;; 'CC: foo-baz@gnus.org', we'll pick 'mail.foo.baz' as the group
- ;; if the cc line is a later header, even though the other choice
- ;; is probably better. Also, this routine won't do a crosspost
- ;; when there are two different matches.
- ;; I guess you could just make this more determined, and it could
- ;; look for still more matches prior to this one, and recurse
- ;; on each of the multiple matches hit. Of course, then you'd
- ;; want to make sure that nnmail-article-group or nnmail-split-fancy
- ;; removed duplicates, since there might be more of those.
- ;; I guess we could also remove duplicates in the & split case, since
- ;; that's the only thing that can introduce them.
- (when (re-search-backward (cdr (assq split nnmail-split-cache)) nil t)
- ;; Someone might want to do a \N sub on this match, so get the
- ;; correct match positions.
- (goto-char (match-end 0))
- (let ((value (nth 1 split)))
- (re-search-backward (if (symbolp value)
- (cdr (assq value nnmail-split-abbrev-alist))
- value)
- (match-end 1)))
- (nnmail-split-it (nth 2 split))))
-
- ;; Not in cache, compute a regexp for the field/value pair.
- (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)
- "\\)\\>")))
- (push (cons split regexp) nnmail-split-cache)
- ;; Now that it's in the cache, just call nnmail-split-it again
- ;; on the same split, which will find it immediately in the cache.
- (nnmail-split-it split)))))
+ (let (cached-pair)
+ (cond
+ ;; nil split
+ ((null split)
+ nil)
+
+ ;; A group name. Do the \& and \N subs into the string.
+ ((stringp split)
+ (when nnmail-split-tracing
+ (push (format "\"%s\"" split) nnmail-split-trace))
+ (list (nnmail-expand-newtext split)))
+
+ ;; Junk the message.
+ ((eq split 'junk)
+ (when nnmail-split-tracing
+ (push "junk" nnmail-split-trace))
+ (list 'junk))
+
+ ;; Builtin & operation.
+ ((eq (car split) '&)
+ (apply 'nconc (mapcar 'nnmail-split-it (cdr split))))
+
+ ;; Builtin | operation.
+ ((eq (car split) '|)
+ (let (done)
+ (while (and (not done) (cdr split))
+ (setq split (cdr split)
+ done (nnmail-split-it (car split))))
+ done))
+
+ ;; Builtin : operation.
+ ((eq (car split) ':)
+ (nnmail-split-it (save-excursion (eval (cdr split)))))
+
+ ;; Check the cache for the regexp for this split.
+ ((setq cached-pair (assq split nnmail-split-cache))
+ (goto-char (point-max))
+ ;; FIX FIX FIX problem with re-search-backward is that if you have
+ ;; a split: (from "foo-\\(bar\\|baz\\)@gnus.org "mail.foo.\\1")
+ ;; and someone mails a message with 'To: foo-bar@gnus.org' and
+ ;; 'CC: foo-baz@gnus.org', we'll pick 'mail.foo.baz' as the group
+ ;; if the cc line is a later header, even though the other choice
+ ;; is probably better. Also, this routine won't do a crosspost
+ ;; when there are two different matches.
+ ;; I guess you could just make this more determined, and it could
+ ;; look for still more matches prior to this one, and recurse
+ ;; on each of the multiple matches hit. Of course, then you'd
+ ;; want to make sure that nnmail-article-group or nnmail-split-fancy
+ ;; removed duplicates, since there might be more of those.
+ ;; I guess we could also remove duplicates in the & split case, since
+ ;; that's the only thing that can introduce them.
+ (when (re-search-backward (cdr cached-pair) nil t)
+ (when nnmail-split-tracing
+ (push (cdr cached-pair) nnmail-split-trace))
+ ;; Someone might want to do a \N sub on this match, so get the
+ ;; correct match positions.
+ (goto-char (match-end 0))
+ (let ((value (nth 1 split)))
+ (re-search-backward (if (symbolp value)
+ (cdr (assq value nnmail-split-abbrev-alist))
+ value)
+ (match-end 1)))
+ (nnmail-split-it (nth 2 split))))
+
+ ;; Not in cache, compute a regexp for the field/value pair.
+ (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)
+ "\\)\\>")))
+ (push (cons split regexp) nnmail-split-cache)
+ ;; Now that it's in the cache, just call nnmail-split-it again
+ ;; on the same split, which will find it immediately in the cache.
+ (nnmail-split-it split))))))
(defun nnmail-expand-newtext (newtext)
(let ((len (length newtext))
(unless (= beg pos)
(push (substring newtext beg pos) expanded))
(when (< pos len)
- ;; we hit a \, expand it.
- (setq did-expand t)
- (setq pos (1+ pos))
- (setq c (aref newtext pos))
+ ;; We hit a \; expand it.
+ (setq did-expand t
+ pos (1+ pos)
+ c (aref newtext pos))
(if (not (or (= c ?\&)
(and (>= c ?1)
(<= c ?9))))
- ;; \ followed by some character we don't expand
+ ;; \ followed by some character we don't expand.
(push (char-to-string c) expanded)
;; \& or \N
(if (= c ?\&)
;; This is an ange-ftp group, and we don't have any dates.
nil)
((numberp days)
- (setq days (nnmail-days-to-time days))
+ (setq days (days-to-time days))
;; Compare the time with the current time.
- (nnmail-time-less days (nnmail-time-since time)))))))
+ (time-less-p days (time-since time)))))))
(defvar nnmail-read-passwd nil)
(defun nnmail-read-passwd (prompt &rest args)
(defun nnmail-write-region (start end filename &optional append visit lockname)
"Do a `write-region', and then set the file modes."
- ;; 1997/5/4 by MORIOKA Tomohiko <morioka@jaist.ac.jp>
(let ((coding-system-for-write nnmail-file-coding-system)
- ;; 1997/8/12 by MORIOKA Tomohiko
- ;; for XEmacs/mule.
(pathname-coding-system 'binary))
(write-region start end filename append visit lockname)
(set-file-modes filename nnmail-default-file-modes)))
(princ "\n")))))
(defun nnmail-purge-split-history (group)
+ "Remove all instances of GROUP from `nnmail-split-history'."
(let ((history nnmail-split-history))
(while history
- (let ((pairs (car history)))
- (while pairs
- (if (string= (car (car pairs)) group)
- (setcar pairs (cdr pairs))
- (setq pairs (cdr pairs)))))
- (setq history (cdr history))))
- (setq nnmail-split-history (delq nil nnmail-split-history)))
+ (setcar history (gnus-delete-if (lambda (e) (string= (car e) group))
+ (car history)))
+ (pop history))
+ (setq nnmail-split-history (delq nil nnmail-split-history))))
(defun nnmail-new-mail-p (group)
"Say whether GROUP has new mail."
(substring inbox (match-end (string-match "^po:" inbox)))))
(pop3-movemail crashbox)))
+(defun nnmail-within-headers-p ()
+ "Check to see if point is within the headers of a unix mail message.
+Doesn't change point."
+ (let ((pos (point)))
+ (save-excursion
+ (and (nnmail-search-unix-mail-delim-backward)
+ (not (search-forward "\n\n" pos t))))))
+
(run-hooks 'nnmail-load-hook)
(provide 'nnmail)
projects / elisp / gnus.git- / blobdiff