1 ;;; mail-source.el --- functions for fetching mail
2 ;; Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; Keywords: news, mail
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
31 (eval-when-compile (defvar display-time-mail-function)))
33 (autoload 'pop3-movemail "pop3")
34 (autoload 'pop3-get-message-count "pop3")
35 (autoload 'nnheader-cancel-timer "nnheader")
36 (autoload 'nnheader-run-at-time "nnheader"))
37 (require 'format-spec)
39 (require 'message) ;; for `message-directory'
41 (defgroup mail-source nil
42 "The mail-fetching library."
46 ;; Define these at compile time to avoid dragging in imap always.
47 (defconst mail-source-imap-authenticators
50 (list 'const (car a)))
51 imap-authenticator-alist)))
52 (defconst mail-source-imap-streams
55 (list 'const (car a)))
58 (defcustom mail-sources nil
59 "*Where the mail backends will look for incoming mail.
60 This variable is a list of mail source specifiers.
61 See Info node `(gnus)Mail Source Specifiers'."
64 (choice :format "%[Value Menu%] %v"
66 (cons :tag "Spool file"
67 (const :format "" file)
68 (checklist :tag "Options" :greedy t
70 (const :format "" :value :path)
72 (cons :tag "Several files in a directory"
73 (const :format "" directory)
74 (checklist :tag "Options" :greedy t
76 (const :format "" :value :path)
77 (directory :tag "Path"))
79 (const :format "" :value :suffix)
80 (string :tag "Suffix"))
82 (const :format "" :value :predicate)
83 (function :tag "Predicate"))
85 (const :format "" :value :prescript)
86 (string :tag "Prescript"))
88 (const :format "" :value :postscript)
89 (string :tag "Postscript"))
91 (const :format "" :value :plugged)
92 (boolean :tag "Plugged"))))
93 (cons :tag "POP3 server"
94 (const :format "" pop)
95 (checklist :tag "Options" :greedy t
97 (const :format "" :value :server)
98 (string :tag "Server"))
100 (const :format "" :value :port)
103 (number :format "%v")
104 (string :format "%v")))
106 (const :format "" :value :user)
107 (string :tag "User"))
109 (const :format "" :value :password)
110 (string :tag "Password"))
112 (const :format "" :value :program)
113 (string :tag "Program"))
115 (const :format "" :value :prescript)
116 (string :tag "Prescript"))
118 (const :format "" :value :postscript)
119 (string :tag "Postscript"))
121 (const :format "" :value :function)
122 (function :tag "Function"))
125 :value :authentication)
126 (choice :tag "Authentication"
131 (const :format "" :value :plugged)
132 (boolean :tag "Plugged"))))
133 (cons :tag "Maildir (qmail, postfix...)"
134 (const :format "" maildir)
135 (checklist :tag "Options" :greedy t
137 (const :format "" :value :path)
138 (directory :tag "Path"))
140 (const :format "" :value :plugged)
141 (boolean :tag "Plugged"))))
142 (cons :tag "IMAP server"
143 (const :format "" imap)
144 (checklist :tag "Options" :greedy t
146 (const :format "" :value :server)
147 (string :tag "Server"))
149 (const :format "" :value :port)
154 (const :format "" :value :user)
155 (string :tag "User"))
157 (const :format "" :value :password)
158 (string :tag "Password"))
160 (const :format "" :value :stream)
161 (choice :tag "Stream"
163 ,@mail-source-imap-streams))
165 (const :format "" :value :program)
166 (string :tag "Program"))
169 :value :authenticator)
170 (choice :tag "Authenticator"
172 ,@mail-source-imap-authenticators))
174 (const :format "" :value :mailbox)
175 (string :tag "Mailbox"
178 (const :format "" :value :predicate)
179 (string :tag "Predicate"
180 :value "UNSEEN UNDELETED"))
182 (const :format "" :value :fetchflag)
183 (string :tag "Fetchflag"
188 (boolean :tag "Dontexpunge"))
190 (const :format "" :value :plugged)
191 (boolean :tag "Plugged"))))
192 (cons :tag "Webmail server"
193 (const :format "" webmail)
194 (checklist :tag "Options" :greedy t
196 (const :format "" :value :subtype)
197 ;; Should be generated from
198 ;; `webmail-type-definition', but we
199 ;; can't require webmail without W3.
200 (choice :tag "Subtype"
208 (const :format "" :value :user)
209 (string :tag "User"))
211 (const :format "" :value :password)
212 (string :tag "Password"))
216 (boolean :tag "Dontexpunge"))
218 (const :format "" :value :plugged)
219 (boolean :tag "Plugged")))))))
221 (defcustom mail-source-primary-source nil
222 "*Primary source for incoming mail.
223 If non-nil, this maildrop will be checked periodically for new mail."
227 (defcustom mail-source-flash t
228 "*If non-nil, flash periodically when mail is available."
232 (defcustom mail-source-crash-box "~/.emacs-mail-crash-box"
233 "File where mail will be stored while processing it."
237 (defcustom mail-source-directory message-directory
238 "Directory where files (if any) will be stored."
242 (defcustom mail-source-default-file-modes 384
243 "Set the mode bits of all new mail files to this integer."
247 (defcustom mail-source-delete-incoming nil
248 "*If non-nil, delete incoming files after handling."
252 (defcustom mail-source-incoming-file-prefix "Incoming"
253 "Prefix for file name for storing incoming mail"
257 (defcustom mail-source-report-new-mail-interval 5
258 "Interval in minutes between checks for new mail."
262 (defcustom mail-source-idle-time-delay 5
263 "Number of idle seconds to wait before checking for new mail."
267 (defcustom mail-source-movemail-program nil
268 "If non-nil, name of program for fetching new mail."
270 :type '(choice (const nil) string))
272 ;;; Internal variables.
274 (defvar mail-source-string ""
275 "A dynamically bound string that says what the current mail source is.")
277 (defvar mail-source-new-mail-available nil
278 "Flag indicating when new mail is available.")
281 (defvar mail-source-common-keyword-map
283 "Mapping from keywords to default values.
284 Common keywords should be listed here.")
286 (defvar mail-source-keyword-map
291 (:path (or (getenv "MAIL")
292 (expand-file-name (user-login-name) rmail-spool-directory))))
299 (:predicate identity))
304 (:server (getenv "MAILHOST"))
306 (:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER")))
310 (:authentication password))
312 (:path (or (getenv "MAILDIR") "~/Maildir/"))
313 (:subdirs ("new" "cur"))
316 (:server (getenv "MAILHOST"))
321 (:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER")))
324 (:predicate "UNSEEN UNDELETED")
325 (:fetchflag "\\Deleted")
329 (:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER")))
332 (:authentication password)))
333 "Mapping from keywords to default values.
334 All keywords that can be used must be listed here."))
336 (defvar mail-source-fetcher-alist
337 '((file mail-source-fetch-file)
338 (directory mail-source-fetch-directory)
339 (pop mail-source-fetch-pop)
340 (maildir mail-source-fetch-maildir)
341 (imap mail-source-fetch-imap)
342 (webmail mail-source-fetch-webmail))
343 "A mapping from source type to fetcher function.")
345 (defvar mail-source-password-cache nil)
347 (defvar mail-source-plugged t)
352 (defun mail-source-strip-keyword (keyword)
353 "Strip the leading colon off the KEYWORD."
354 (intern (substring (symbol-name keyword) 1))))
357 (defun mail-source-bind-1 (type)
358 (let* ((defaults (cdr (assq type mail-source-keyword-map)))
360 (while (setq default (pop defaults))
361 (push (list (mail-source-strip-keyword (car default))
366 (defmacro mail-source-bind (type-source &rest body)
367 "Return a `let' form that binds all variables in source TYPE.
368 TYPE-SOURCE is a list where the first element is the TYPE, and
369 the second variable is the SOURCE.
370 At run time, the mail source specifier SOURCE will be inspected,
371 and the variables will be set according to it. Variables not
372 specified will be given default values.
374 After this is done, BODY will be executed in the scope
377 The variables bound and their default values are described by
378 the `mail-source-keyword-map' variable."
379 `(let ,(mail-source-bind-1 (car type-source))
380 (mail-source-set-1 ,(cadr type-source))
383 (put 'mail-source-bind 'lisp-indent-function 1)
384 (put 'mail-source-bind 'edebug-form-spec '(sexp body))
386 (defun mail-source-set-1 (source)
387 (let* ((type (pop source))
388 (defaults (cdr (assq type mail-source-keyword-map)))
389 default value keyword)
390 (while (setq default (pop defaults))
391 (set (mail-source-strip-keyword (setq keyword (car default)))
392 (if (setq value (plist-get source keyword))
393 (mail-source-value value)
394 (mail-source-value (cadr default)))))))
397 (defun mail-source-bind-common-1 ()
398 (let* ((defaults mail-source-common-keyword-map)
400 (while (setq default (pop defaults))
401 (push (list (mail-source-strip-keyword (car default))
406 (defun mail-source-set-common-1 (source)
407 (let* ((type (pop source))
408 (defaults mail-source-common-keyword-map)
409 (defaults-1 (cdr (assq type mail-source-keyword-map)))
410 default value keyword)
411 (while (setq default (pop defaults))
412 (set (mail-source-strip-keyword (setq keyword (car default)))
413 (if (setq value (plist-get source keyword))
414 (mail-source-value value)
415 (if (setq value (assq keyword defaults-1))
416 (mail-source-value (cadr value))
417 (mail-source-value (cadr default))))))))
419 (defmacro mail-source-bind-common (source &rest body)
420 "Return a `let' form that binds all common variables.
421 See `mail-source-bind'."
422 `(let ,(mail-source-bind-common-1)
423 (mail-source-set-common-1 source)
426 (put 'mail-source-bind-common 'lisp-indent-function 1)
427 (put 'mail-source-bind-common 'edebug-form-spec '(sexp body))
429 (defun mail-source-value (value)
430 "Return the value of VALUE."
437 (functionp (car value)))
439 ;; Just return the value.
443 (defun mail-source-fetch (source callback)
444 "Fetch mail from SOURCE and call CALLBACK zero or more times.
445 CALLBACK will be called with the name of the file where (some of)
446 the mail from SOURCE is put.
447 Return the number of files that were found."
448 (mail-source-bind-common source
449 (if (or mail-source-plugged plugged)
451 (let ((function (cadr (assq (car source) mail-source-fetcher-alist)))
454 (error "%S is an invalid mail source specification" source))
455 ;; If there's anything in the crash box, we do it first.
456 (when (file-exists-p mail-source-crash-box)
457 (message "Processing mail from %s..." mail-source-crash-box)
458 (setq found (mail-source-callback
459 callback mail-source-crash-box)))
461 (if (or debug-on-quit debug-on-error)
462 (funcall function source callback)
464 (funcall function source callback)
467 (format "Mail source error (%s). Continue? "
469 (error "Cannot get new mail"))
473 (if (fboundp 'make-temp-file)
474 (defalias 'mail-source-make-complex-temp-name 'make-temp-file)
475 (defun mail-source-make-complex-temp-name (prefix)
476 (let ((newname (make-temp-name prefix))
478 (while (file-exists-p newname)
479 (setq newprefix (concat newprefix "x"))
480 (setq newname (make-temp-name newprefix)))
483 (defun mail-source-callback (callback info)
484 "Call CALLBACK on the mail file, and then remove the mail file.
485 Pass INFO on to CALLBACK."
486 (if (or (not (file-exists-p mail-source-crash-box))
487 (zerop (nth 7 (file-attributes mail-source-crash-box))))
489 (when (file-exists-p mail-source-crash-box)
490 (delete-file mail-source-crash-box))
493 (funcall callback mail-source-crash-box info)
494 (when (file-exists-p mail-source-crash-box)
495 ;; Delete or move the incoming mail out of the way.
496 (if mail-source-delete-incoming
497 (delete-file mail-source-crash-box)
499 (mail-source-make-complex-temp-name
501 mail-source-incoming-file-prefix
502 mail-source-directory))))
503 (unless (file-exists-p (file-name-directory incoming))
504 (make-directory (file-name-directory incoming) t))
505 (rename-file mail-source-crash-box incoming t)))))))
507 (defun mail-source-movemail (from to)
508 "Move FROM to TO using movemail."
509 (if (not (file-writable-p to))
510 (error "Can't write to crash box %s. Not moving mail" to)
511 (let ((to (file-truename (expand-file-name to)))
513 (setq to (file-truename to)
514 from (file-truename from))
515 ;; Set TO if have not already done so, and rename or copy
516 ;; the file FROM to TO if and as appropriate.
519 ;; The crash box exists already.
521 ((not (file-exists-p from))
522 ;; There is no inbox.
524 ((zerop (nth 7 (file-attributes from)))
528 ;; If getting from mail spool directory, use movemail to move
529 ;; rather than just renaming, so as to interlock with the
533 (setq errors (generate-new-buffer " *mail source loss*"))
534 (let ((default-directory "/"))
540 (or mail-source-movemail-program
541 (expand-file-name "movemail" exec-directory))
542 nil errors nil from to)))))
543 (when (file-exists-p to)
544 (set-file-modes to mail-source-default-file-modes))
545 (if (and (or (not (buffer-modified-p errors))
546 (zerop (buffer-size errors)))
548 ;; No output => movemail won.
551 ;; There may be a warning about older revisions. We
553 (goto-char (point-min))
554 (if (search-forward "older revision" nil t)
556 ;; Probably a real error.
557 (subst-char-in-region (point-min) (point-max) ?\n ?\ )
558 (goto-char (point-max))
559 (skip-chars-backward " \t")
560 (delete-region (point) (point-max))
561 (goto-char (point-min))
562 (when (looking-at "movemail: ")
563 (delete-region (point-min) (match-end 0)))
564 ;; Result may be a signal description string.
566 (format "movemail: %s (%s return). Continue? "
567 (buffer-string) result))
568 (error "%s" (buffer-string)))
571 (buffer-name errors))
572 (kill-buffer errors))
573 ;; Return whether we moved successfully or not.
576 (defun mail-source-movemail-and-remove (from to)
577 "Move FROM to TO using movemail, then remove FROM if empty."
578 (or (not (mail-source-movemail from to))
579 (not (zerop (nth 7 (file-attributes from))))
582 (defvar mail-source-read-passwd nil)
583 (defun mail-source-read-passwd (prompt &rest args)
584 "Read a password using PROMPT.
585 If ARGS, PROMPT is used as an argument to `format'."
588 (apply 'format prompt args)
590 (unless mail-source-read-passwd
591 (if (or (fboundp 'read-passwd) (load "passwd" t))
592 (setq mail-source-read-passwd 'read-passwd)
593 (unless (fboundp 'ange-ftp-read-passwd)
594 (autoload 'ange-ftp-read-passwd "ange-ftp"))
595 (setq mail-source-read-passwd 'ange-ftp-read-passwd)))
596 (funcall mail-source-read-passwd prompt)))
598 (defun mail-source-fetch-with-program (program)
599 (zerop (call-process shell-file-name nil nil nil
600 shell-command-switch program)))
602 (defun mail-source-run-script (script spec &optional delay)
604 (if (and (symbolp script) (fboundp script))
606 (mail-source-call-script
607 (format-spec script spec))))
611 (defun mail-source-call-script (script)
612 (let ((background nil))
613 (when (string-match "& *$" script)
614 (setq script (substring script 0 (match-beginning 0))
616 (call-process shell-file-name nil background nil
617 shell-command-switch script)))
620 ;;; Different fetchers
623 (defun mail-source-fetch-file (source callback)
624 "Fetcher for single-file sources."
625 (mail-source-bind (file source)
626 (mail-source-run-script
627 prescript (format-spec-make ?t mail-source-crash-box)
629 (let ((mail-source-string (format "file:%s" path)))
630 (if (mail-source-movemail path mail-source-crash-box)
632 (mail-source-callback callback path)
633 (mail-source-run-script
634 postscript (format-spec-make ?t mail-source-crash-box)))
637 (defun mail-source-fetch-directory (source callback)
638 "Fetcher for directory sources."
639 (mail-source-bind (directory source)
640 (mail-source-run-script
641 prescript (format-spec-make ?t path)
644 (mail-source-string (format "directory:%s" path)))
645 (dolist (file (directory-files
646 path t (concat (regexp-quote suffix) "$")))
647 (when (and (file-regular-p file)
648 (funcall predicate file)
649 (mail-source-movemail file mail-source-crash-box))
650 (incf found (mail-source-callback callback file))))
651 (mail-source-run-script
652 postscript (format-spec-make ?t path))
655 (defun mail-source-fetch-pop (source callback)
656 "Fetcher for single-file sources."
657 (mail-source-bind (pop source)
658 (mail-source-run-script
660 (format-spec-make ?p password ?t mail-source-crash-box
661 ?s server ?P port ?u user)
663 (let ((from (format "%s:%s:%s" server user port))
664 (mail-source-string (format "pop:%s@%s" user server))
666 (when (eq authentication 'password)
669 (cdr (assoc from mail-source-password-cache))
670 (mail-source-read-passwd
671 (format "Password for %s at %s: " user server)))))
673 (setenv "MAILHOST" server))
677 (mail-source-fetch-with-program
680 (format-spec-make ?p password ?t mail-source-crash-box
681 ?s server ?P port ?u user))))
683 (funcall function mail-source-crash-box))
684 ;; The default is to use pop3.el.
686 (let ((pop3-password password)
688 (pop3-mailhost server)
690 (pop3-authentication-scheme
691 (if (eq authentication 'apop) 'apop 'pass)))
692 (if (or debug-on-quit debug-on-error)
693 (save-excursion (pop3-movemail mail-source-crash-box))
695 (save-excursion (pop3-movemail mail-source-crash-box))
697 ;; We nix out the password in case the error
698 ;; was because of a wrong password being given.
699 (setq mail-source-password-cache
700 (delq (assoc from mail-source-password-cache)
701 mail-source-password-cache))
702 (signal (car err) (cdr err)))))))))
705 (when (eq authentication 'password)
706 (unless (assoc from mail-source-password-cache)
707 (push (cons from password) mail-source-password-cache)))
709 (mail-source-callback callback server)
710 ;; Update display-time's mail flag, if relevant.
711 (if (equal source mail-source-primary-source)
712 (setq mail-source-new-mail-available nil))
713 (mail-source-run-script
715 (format-spec-make ?p password ?t mail-source-crash-box
716 ?s server ?P port ?u user))))
717 ;; We nix out the password in case the error
718 ;; was because of a wrong password being given.
719 (setq mail-source-password-cache
720 (delq (assoc from mail-source-password-cache)
721 mail-source-password-cache))
724 (defun mail-source-check-pop (source)
725 "Check whether there is new mail."
726 (mail-source-bind (pop source)
727 (let ((from (format "%s:%s:%s" server user port))
728 (mail-source-string (format "pop:%s@%s" user server))
730 (when (eq authentication 'password)
733 (cdr (assoc from mail-source-password-cache))
734 (mail-source-read-passwd
735 (format "Password for %s at %s: " user server))))
736 (unless (assoc from mail-source-password-cache)
737 (push (cons from password) mail-source-password-cache)))
739 (setenv "MAILHOST" server))
742 ;; No easy way to check whether mail is waiting for these.
745 ;; The default is to use pop3.el.
747 (let ((pop3-password password)
749 (pop3-mailhost server)
751 (pop3-authentication-scheme
752 (if (eq authentication 'apop) 'apop 'pass)))
753 (if (or debug-on-quit debug-on-error)
754 (save-excursion (pop3-get-message-count))
756 (save-excursion (pop3-get-message-count))
758 ;; We nix out the password in case the error
759 ;; was because of a wrong password being given.
760 (setq mail-source-password-cache
761 (delq (assoc from mail-source-password-cache)
762 mail-source-password-cache))
763 (signal (car err) (cdr err)))))))))
765 ;; Inform display-time that we have new mail.
766 (setq mail-source-new-mail-available (> result 0))
767 ;; We nix out the password in case the error
768 ;; was because of a wrong password being given.
769 (setq mail-source-password-cache
770 (delq (assoc from mail-source-password-cache)
771 mail-source-password-cache)))
774 (defun mail-source-new-mail-p ()
775 "Handler for `display-time' to indicate when new mail is available."
776 ;; Flash (ie. ring the visible bell) if mail is available.
777 (if (and mail-source-flash mail-source-new-mail-available)
778 (let ((visible-bell t))
780 ;; Only report flag setting; flag is updated on a different schedule.
781 mail-source-new-mail-available)
784 (defvar mail-source-report-new-mail nil)
785 (defvar mail-source-report-new-mail-timer nil)
786 (defvar mail-source-report-new-mail-idle-timer nil)
789 (if (featurep 'xemacs)
793 (defun mail-source-start-idle-timer ()
794 ;; Start our idle timer if necessary, so we delay the check until the
795 ;; user isn't typing.
796 (unless mail-source-report-new-mail-idle-timer
797 (setq mail-source-report-new-mail-idle-timer
799 mail-source-idle-time-delay
803 (mail-source-check-pop mail-source-primary-source)
804 (setq mail-source-report-new-mail-idle-timer nil)))))
805 ;; Since idle timers created when Emacs is already in the idle
806 ;; state don't get activated until Emacs _next_ becomes idle, we
807 ;; need to force our timer to be considered active now. We do
808 ;; this by being naughty and poking the timer internals directly
809 ;; (element 0 of the vector is nil if the timer is active).
810 (aset mail-source-report-new-mail-idle-timer 0 nil)))
812 (defun mail-source-report-new-mail (arg)
813 "Toggle whether to report when new mail is available.
814 This only works when `display-time' is enabled."
816 (if (not mail-source-primary-source)
817 (error "Need to set `mail-source-primary-source' to check for new mail"))
818 (let ((on (if (null arg)
819 (not mail-source-report-new-mail)
820 (> (prefix-numeric-value arg) 0))))
821 (setq mail-source-report-new-mail on)
822 (and mail-source-report-new-mail-timer
823 (nnheader-cancel-timer mail-source-report-new-mail-timer))
824 (and mail-source-report-new-mail-idle-timer
825 (nnheader-cancel-timer mail-source-report-new-mail-idle-timer))
826 (setq mail-source-report-new-mail-timer nil)
827 (setq mail-source-report-new-mail-idle-timer nil)
831 ;; display-time-mail-function is an Emacs 21 feature.
832 (setq display-time-mail-function #'mail-source-new-mail-p)
833 ;; Set up the main timer.
834 (setq mail-source-report-new-mail-timer
835 (nnheader-run-at-time
836 (* 60 mail-source-report-new-mail-interval)
837 (* 60 mail-source-report-new-mail-interval)
838 #'mail-source-start-idle-timer))
839 ;; When you get new mail, clear "Mail" from the mode line.
840 (add-hook 'nnmail-post-get-new-mail-hook
841 'display-time-event-handler)
842 (message "Mail check enabled"))
843 (setq display-time-mail-function nil)
844 (remove-hook 'nnmail-post-get-new-mail-hook
845 'display-time-event-handler)
846 (message "Mail check disabled"))))
848 (defun mail-source-fetch-maildir (source callback)
849 "Fetcher for maildir sources."
850 (mail-source-bind (maildir source)
853 (unless (string-match "/$" path)
854 (setq path (concat path "/")))
855 (dolist (subdir subdirs)
856 (when (file-directory-p (concat path subdir))
857 (setq mail-source-string (format "maildir:%s%s" path subdir))
858 (dolist (file (directory-files (concat path subdir) t))
859 (when (and (not (file-directory-p file))
861 (funcall function file mail-source-crash-box)
862 (let ((coding-system-for-write
863 mm-text-coding-system)
864 (coding-system-for-read
865 mm-text-coding-system))
866 (with-temp-file mail-source-crash-box
867 (insert-file-contents file)
868 (goto-char (point-min))
869 ;;; ;; Unix mail format
870 ;;; (unless (looking-at "\n*From ")
871 ;;; (insert "From maildir "
872 ;;; (current-time-string) "\n"))
873 ;;; (while (re-search-forward "^From " nil t)
874 ;;; (replace-match ">From "))
875 ;;; (goto-char (point-max))
878 (insert "\001\001\001\001\n"))
879 (delete-file file)))))
880 (incf found (mail-source-callback callback file))))))
884 (autoload 'imap-open "imap")
885 (autoload 'imap-authenticate "imap")
886 (autoload 'imap-mailbox-select "imap")
887 (autoload 'imap-mailbox-unselect "imap")
888 (autoload 'imap-mailbox-close "imap")
889 (autoload 'imap-search "imap")
890 (autoload 'imap-fetch "imap")
891 (autoload 'imap-close "imap")
892 (autoload 'imap-error-text "imap")
893 (autoload 'imap-message-flags-add "imap")
894 (autoload 'imap-list-to-message-set "imap")
895 (autoload 'imap-range-to-message-set "imap")
896 (autoload 'nnheader-ms-strip-cr "nnheader"))
898 (defvar mail-source-imap-file-coding-system 'binary
899 "Coding system for the crashbox made by `mail-source-fetch-imap'.")
901 (defun mail-source-fetch-imap (source callback)
902 "Fetcher for imap sources."
903 (mail-source-bind (imap source)
904 (let ((from (format "%s:%s:%s" server user port))
906 (buf (get-buffer-create (generate-new-buffer-name " *imap source*")))
907 (mail-source-string (format "imap:%s:%s" server mailbox))
908 (imap-shell-program (or (list program) imap-shell-program))
910 (if (and (imap-open server port stream authentication buf)
912 user (or (cdr (assoc from mail-source-password-cache))
914 (imap-mailbox-select mailbox nil buf))
915 (let ((coding-system-for-write mail-source-imap-file-coding-system)
917 (with-temp-file mail-source-crash-box
918 ;; Avoid converting 8-bit chars from inserted strings to
920 (mm-disable-multibyte)
922 (with-current-buffer buf
923 (when (or imap-password
924 (assoc from mail-source-password-cache))
925 (push (cons from imap-password) mail-source-password-cache)))
926 ;; if predicate is nil, use all uids
927 (dolist (uid (imap-search (or predicate "1:*") buf))
929 (if (imap-capability 'IMAP4rev1 buf)
930 (caddar (imap-fetch uid "BODY.PEEK[]"
931 'BODYDETAIL nil buf))
932 (imap-fetch uid "RFC822.PEEK" 'RFC822 nil buf)))
934 (insert "From imap " (current-time-string) "\n")
937 (while (re-search-forward "^From " nil t)
938 (replace-match ">From "))
939 (goto-char (point-max))))
940 (nnheader-ms-strip-cr))
941 (incf found (mail-source-callback callback server))
942 (when (and remove fetchflag)
943 (imap-message-flags-add
944 (imap-range-to-message-set (gnus-compress-sequence remove))
947 (imap-mailbox-unselect buf)
948 (imap-mailbox-close nil buf))
951 ;; We nix out the password in case the error
952 ;; was because of a wrong password being given.
953 (setq mail-source-password-cache
954 (delq (assoc from mail-source-password-cache)
955 mail-source-password-cache))
956 (error (imap-error-text buf)))
961 (autoload 'webmail-fetch "webmail"))
963 (defun mail-source-fetch-webmail (source callback)
964 "Fetch for webmail source."
965 (mail-source-bind (webmail source)
966 (let ((mail-source-string (format "webmail:%s:%s" subtype user))
967 (webmail-newmail-only dontexpunge)
968 (webmail-move-to-trash-can (not dontexpunge)))
969 (when (eq authentication 'password)
972 (cdr (assoc (format "webmail:%s:%s" subtype user)
973 mail-source-password-cache))
974 (mail-source-read-passwd
975 (format "Password for %s at %s: " user subtype))))
977 (not (assoc (format "webmail:%s:%s" subtype user)
978 mail-source-password-cache)))
979 (push (cons (format "webmail:%s:%s" subtype user) password)
980 mail-source-password-cache)))
981 (webmail-fetch mail-source-crash-box subtype user password)
982 (mail-source-callback callback (symbol-name subtype)))))
984 (provide 'mail-source)
986 ;;; mail-source.el ends here