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1 | ;;; mail-source.el --- functions for fetching mail |
2 | ;; Copyright (C) 1999, 2000 Free Software Foundation, Inc. | |
3 | ||
4 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> | |
5 | ;; Keywords: news, mail | |
6 | ||
7 | ;; This file is part of GNU Emacs. | |
8 | ||
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) | |
12 | ;; any later version. | |
13 | ||
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. | |
18 | ||
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. | |
23 | ||
24 | ;;; Commentary: | |
25 | ||
26 | ;;; Code: | |
27 | ||
28 | (eval-when-compile (require 'cl)) | |
29 | (eval-and-compile | |
30 | (autoload 'pop3-movemail "pop3") | |
31 | (autoload 'pop3-get-message-count "pop3")) | |
32 | (require 'format-spec) | |
33 | ||
34 | (defgroup mail-source nil | |
35 | "The mail-fetching library." | |
36 | :group 'gnus) | |
37 | ||
38 | (defcustom mail-sources nil | |
39 | "*Where the mail backends will look for incoming mail. | |
40 | This variable is a list of mail source specifiers." | |
41 | :group 'mail-source | |
42 | :type 'sexp) | |
43 | ||
44 | (defcustom mail-source-primary-source nil | |
45 | "*Primary source for incoming mail. | |
46 | If non-nil, this maildrop will be checked periodically for new mail." | |
47 | :group 'mail-source | |
48 | :type 'sexp) | |
49 | ||
50 | (defcustom mail-source-crash-box "~/.emacs-mail-crash-box" | |
51 | "File where mail will be stored while processing it." | |
52 | :group 'mail-source | |
53 | :type 'file) | |
54 | ||
55 | (defcustom mail-source-directory "~/Mail/" | |
56 | "Directory where files (if any) will be stored." | |
57 | :group 'mail-source | |
58 | :type 'directory) | |
59 | ||
60 | (defcustom mail-source-default-file-modes 384 | |
61 | "Set the mode bits of all new mail files to this integer." | |
62 | :group 'mail-source | |
63 | :type 'integer) | |
64 | ||
65 | (defcustom mail-source-delete-incoming nil | |
66 | "*If non-nil, delete incoming files after handling." | |
67 | :group 'mail-source | |
68 | :type 'boolean) | |
69 | ||
70 | (defcustom mail-source-incoming-file-prefix "Incoming" | |
71 | "Prefix for file name for storing incoming mail" | |
72 | :group 'mail-source | |
73 | :type 'string) | |
74 | ||
75 | (defcustom mail-source-report-new-mail-interval 5 | |
76 | "Interval in minutes between checks for new mail." | |
77 | :group 'mail-source | |
78 | :type 'number) | |
79 | ||
80 | (defcustom mail-source-idle-time-delay 5 | |
81 | "Number of idle seconds to wait before checking for new mail." | |
82 | :group 'mail-source | |
83 | :type 'number) | |
84 | ||
85 | ;;; Internal variables. | |
86 | ||
87 | (defvar mail-source-string "" | |
88 | "A dynamically bound string that says what the current mail source is.") | |
89 | ||
90 | (defvar mail-source-new-mail-available nil | |
91 | "Flag indicating when new mail is available.") | |
92 | ||
93 | (eval-and-compile | |
94 | (defvar mail-source-common-keyword-map | |
95 | '((:plugged)) | |
96 | "Mapping from keywords to default values. | |
97 | Common keywords should be listed here.") | |
98 | ||
99 | (defvar mail-source-keyword-map | |
100 | '((file | |
101 | (:prescript) | |
102 | (:prescript-delay) | |
103 | (:postscript) | |
104 | (:path (or (getenv "MAIL") | |
105 | (concat "/usr/spool/mail/" (user-login-name))))) | |
106 | (directory | |
107 | (:path) | |
108 | (:suffix ".spool") | |
109 | (:predicate identity)) | |
110 | (pop | |
111 | (:prescript) | |
112 | (:prescript-delay) | |
113 | (:postscript) | |
114 | (:server (getenv "MAILHOST")) | |
115 | (:port 110) | |
116 | (:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER"))) | |
117 | (:program) | |
118 | (:function) | |
119 | (:password) | |
120 | (:authentication password)) | |
121 | (maildir | |
122 | (:path (or (getenv "MAILDIR") "~/Maildir/")) | |
123 | (:subdirs ("new" "cur")) | |
124 | (:function)) | |
125 | (imap | |
126 | (:server (getenv "MAILHOST")) | |
127 | (:port) | |
128 | (:stream) | |
129 | (:authentication) | |
130 | (:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER"))) | |
131 | (:password) | |
132 | (:mailbox "INBOX") | |
133 | (:predicate "UNSEEN UNDELETED") | |
134 | (:fetchflag "\\Deleted") | |
135 | (:dontexpunge)) | |
136 | (webmail | |
137 | (:subtype hotmail) | |
138 | (:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER"))) | |
139 | (:password) | |
140 | (:dontexpunge) | |
141 | (:authentication password))) | |
142 | "Mapping from keywords to default values. | |
143 | All keywords that can be used must be listed here.")) | |
144 | ||
145 | (defvar mail-source-fetcher-alist | |
146 | '((file mail-source-fetch-file) | |
147 | (directory mail-source-fetch-directory) | |
148 | (pop mail-source-fetch-pop) | |
149 | (maildir mail-source-fetch-maildir) | |
150 | (imap mail-source-fetch-imap) | |
151 | (webmail mail-source-fetch-webmail)) | |
152 | "A mapping from source type to fetcher function.") | |
153 | ||
154 | (defvar mail-source-password-cache nil) | |
155 | ||
156 | (defvar mail-source-plugged t) | |
157 | ||
158 | ;;; Functions | |
159 | ||
160 | (eval-and-compile | |
161 | (defun mail-source-strip-keyword (keyword) | |
162 | "Strip the leading colon off the KEYWORD." | |
163 | (intern (substring (symbol-name keyword) 1)))) | |
164 | ||
165 | (eval-and-compile | |
166 | (defun mail-source-bind-1 (type) | |
167 | (let* ((defaults (cdr (assq type mail-source-keyword-map))) | |
168 | default bind) | |
169 | (while (setq default (pop defaults)) | |
170 | (push (list (mail-source-strip-keyword (car default)) | |
171 | nil) | |
172 | bind)) | |
173 | bind))) | |
174 | ||
175 | (defmacro mail-source-bind (type-source &rest body) | |
176 | "Return a `let' form that binds all variables in source TYPE. | |
177 | TYPE-SOURCE is a list where the first element is the TYPE, and | |
178 | the second variable is the SOURCE. | |
179 | At run time, the mail source specifier SOURCE will be inspected, | |
180 | and the variables will be set according to it. Variables not | |
181 | specified will be given default values. | |
182 | ||
183 | After this is done, BODY will be executed in the scope | |
184 | of the `let' form. | |
185 | ||
186 | The variables bound and their default values are described by | |
187 | the `mail-source-keyword-map' variable." | |
188 | `(let ,(mail-source-bind-1 (car type-source)) | |
189 | (mail-source-set-1 ,(cadr type-source)) | |
190 | ,@body)) | |
191 | ||
192 | (put 'mail-source-bind 'lisp-indent-function 1) | |
193 | (put 'mail-source-bind 'edebug-form-spec '(form body)) | |
194 | ||
195 | (defun mail-source-set-1 (source) | |
196 | (let* ((type (pop source)) | |
197 | (defaults (cdr (assq type mail-source-keyword-map))) | |
198 | default value keyword) | |
199 | (while (setq default (pop defaults)) | |
200 | (set (mail-source-strip-keyword (setq keyword (car default))) | |
201 | (if (setq value (plist-get source keyword)) | |
202 | (mail-source-value value) | |
203 | (mail-source-value (cadr default))))))) | |
204 | ||
205 | (eval-and-compile | |
206 | (defun mail-source-bind-common-1 () | |
207 | (let* ((defaults mail-source-common-keyword-map) | |
208 | default bind) | |
209 | (while (setq default (pop defaults)) | |
210 | (push (list (mail-source-strip-keyword (car default)) | |
211 | nil) | |
212 | bind)) | |
213 | bind))) | |
214 | ||
215 | (defun mail-source-set-common-1 (source) | |
216 | (let* ((type (pop source)) | |
217 | (defaults mail-source-common-keyword-map) | |
218 | (defaults-1 (cdr (assq type mail-source-keyword-map))) | |
219 | default value keyword) | |
220 | (while (setq default (pop defaults)) | |
221 | (set (mail-source-strip-keyword (setq keyword (car default))) | |
222 | (if (setq value (plist-get source keyword)) | |
223 | (mail-source-value value) | |
224 | (if (setq value (assq keyword defaults-1)) | |
225 | (mail-source-value (cadr value)) | |
226 | (mail-source-value (cadr default)))))))) | |
227 | ||
228 | (defmacro mail-source-bind-common (source &rest body) | |
229 | "Return a `let' form that binds all common variables. | |
230 | See `mail-source-bind'." | |
231 | `(let ,(mail-source-bind-common-1) | |
232 | (mail-source-set-common-1 source) | |
233 | ,@body)) | |
234 | ||
235 | (put 'mail-source-bind-common 'lisp-indent-function 1) | |
236 | (put 'mail-source-bind-common 'edebug-form-spec '(form body)) | |
237 | ||
238 | (defun mail-source-value (value) | |
239 | "Return the value of VALUE." | |
240 | (cond | |
241 | ;; String | |
242 | ((stringp value) | |
243 | value) | |
244 | ;; Function | |
245 | ((and (listp value) | |
246 | (functionp (car value))) | |
247 | (eval value)) | |
248 | ;; Just return the value. | |
249 | (t | |
250 | value))) | |
251 | ||
252 | (defun mail-source-fetch (source callback) | |
253 | "Fetch mail from SOURCE and call CALLBACK zero or more times. | |
254 | CALLBACK will be called with the name of the file where (some of) | |
255 | the mail from SOURCE is put. | |
256 | Return the number of files that were found." | |
257 | (mail-source-bind-common source | |
258 | (if (or mail-source-plugged plugged) | |
259 | (save-excursion | |
260 | (let ((function (cadr (assq (car source) mail-source-fetcher-alist))) | |
261 | (found 0)) | |
262 | (unless function | |
263 | (error "%S is an invalid mail source specification" source)) | |
264 | ;; If there's anything in the crash box, we do it first. | |
265 | (when (file-exists-p mail-source-crash-box) | |
266 | (message "Processing mail from %s..." mail-source-crash-box) | |
267 | (setq found (mail-source-callback | |
268 | callback mail-source-crash-box))) | |
269 | (+ found | |
270 | (condition-case err | |
271 | (funcall function source callback) | |
272 | (error | |
273 | (unless (yes-or-no-p | |
274 | (format "Mail source error (%s). Continue? " err)) | |
275 | (error "Cannot get new mail.")) | |
276 | 0)))))))) | |
277 | ||
278 | (defun mail-source-make-complex-temp-name (prefix) | |
279 | (let ((newname (make-temp-name prefix)) | |
280 | (newprefix prefix)) | |
281 | (while (file-exists-p newname) | |
282 | (setq newprefix (concat newprefix "x")) | |
283 | (setq newname (make-temp-name newprefix))) | |
284 | newname)) | |
285 | ||
286 | (defun mail-source-callback (callback info) | |
287 | "Call CALLBACK on the mail file, and then remove the mail file. | |
288 | Pass INFO on to CALLBACK." | |
289 | (if (or (not (file-exists-p mail-source-crash-box)) | |
290 | (zerop (nth 7 (file-attributes mail-source-crash-box)))) | |
291 | (progn | |
292 | (when (file-exists-p mail-source-crash-box) | |
293 | (delete-file mail-source-crash-box)) | |
294 | 0) | |
295 | (prog1 | |
296 | (funcall callback mail-source-crash-box info) | |
297 | (when (file-exists-p mail-source-crash-box) | |
298 | ;; Delete or move the incoming mail out of the way. | |
299 | (if mail-source-delete-incoming | |
300 | (delete-file mail-source-crash-box) | |
301 | (let ((incoming | |
302 | (mail-source-make-complex-temp-name | |
303 | (expand-file-name | |
304 | mail-source-incoming-file-prefix | |
305 | mail-source-directory)))) | |
306 | (unless (file-exists-p (file-name-directory incoming)) | |
307 | (make-directory (file-name-directory incoming) t)) | |
308 | (rename-file mail-source-crash-box incoming t))))))) | |
309 | ||
310 | (defun mail-source-movemail (from to) | |
311 | "Move FROM to TO using movemail." | |
312 | (if (not (file-writable-p to)) | |
313 | (error "Can't write to crash box %s. Not moving mail" to) | |
314 | (let ((to (file-truename (expand-file-name to))) | |
315 | errors result) | |
316 | (setq to (file-truename to) | |
317 | from (file-truename from)) | |
318 | ;; Set TO if have not already done so, and rename or copy | |
319 | ;; the file FROM to TO if and as appropriate. | |
320 | (cond | |
321 | ((file-exists-p to) | |
322 | ;; The crash box exists already. | |
323 | t) | |
324 | ((not (file-exists-p from)) | |
325 | ;; There is no inbox. | |
326 | (setq to nil)) | |
327 | ((zerop (nth 7 (file-attributes from))) | |
328 | ;; Empty file. | |
329 | (setq to nil)) | |
330 | (t | |
331 | ;; If getting from mail spool directory, use movemail to move | |
332 | ;; rather than just renaming, so as to interlock with the | |
333 | ;; mailer. | |
334 | (unwind-protect | |
335 | (save-excursion | |
336 | (setq errors (generate-new-buffer " *mail source loss*")) | |
337 | (let ((default-directory "/")) | |
338 | (setq result | |
339 | (apply | |
340 | 'call-process | |
341 | (append | |
342 | (list | |
343 | (expand-file-name "movemail" exec-directory) | |
344 | nil errors nil from to))))) | |
345 | (when (file-exists-p to) | |
346 | (set-file-modes to mail-source-default-file-modes)) | |
347 | (if (and (not (buffer-modified-p errors)) | |
348 | (zerop result)) | |
349 | ;; No output => movemail won. | |
350 | t | |
351 | (set-buffer errors) | |
352 | ;; There may be a warning about older revisions. We | |
353 | ;; ignore that. | |
354 | (goto-char (point-min)) | |
355 | (if (search-forward "older revision" nil t) | |
356 | t | |
357 | ;; Probably a real error. | |
358 | (subst-char-in-region (point-min) (point-max) ?\n ?\ ) | |
359 | (goto-char (point-max)) | |
360 | (skip-chars-backward " \t") | |
361 | (delete-region (point) (point-max)) | |
362 | (goto-char (point-min)) | |
363 | (when (looking-at "movemail: ") | |
364 | (delete-region (point-min) (match-end 0))) | |
365 | (unless (yes-or-no-p | |
366 | (format "movemail: %s (%d return). Continue? " | |
367 | (buffer-string) result)) | |
368 | (error "%s" (buffer-string))) | |
369 | (setq to nil))))))) | |
370 | (when (and errors | |
371 | (buffer-name errors)) | |
372 | (kill-buffer errors)) | |
373 | ;; Return whether we moved successfully or not. | |
374 | to))) | |
375 | ||
376 | (defun mail-source-movemail-and-remove (from to) | |
377 | "Move FROM to TO using movemail, then remove FROM if empty." | |
378 | (or (not (mail-source-movemail from to)) | |
379 | (not (zerop (nth 7 (file-attributes from)))) | |
380 | (delete-file from))) | |
381 | ||
382 | (defvar mail-source-read-passwd nil) | |
383 | (defun mail-source-read-passwd (prompt &rest args) | |
384 | "Read a password using PROMPT. | |
385 | If ARGS, PROMPT is used as an argument to `format'." | |
386 | (let ((prompt | |
387 | (if args | |
388 | (apply 'format prompt args) | |
389 | prompt))) | |
390 | (unless mail-source-read-passwd | |
391 | (if (or (fboundp 'read-passwd) (load "passwd" t)) | |
392 | (setq mail-source-read-passwd 'read-passwd) | |
393 | (unless (fboundp 'ange-ftp-read-passwd) | |
394 | (autoload 'ange-ftp-read-passwd "ange-ftp")) | |
395 | (setq mail-source-read-passwd 'ange-ftp-read-passwd))) | |
396 | (funcall mail-source-read-passwd prompt))) | |
397 | ||
398 | (defun mail-source-fetch-with-program (program) | |
399 | (zerop (call-process shell-file-name nil nil nil | |
400 | shell-command-switch program))) | |
401 | ||
402 | (defun mail-source-run-script (script spec &optional delay) | |
403 | (when script | |
404 | (if (and (symbolp script) (fboundp script)) | |
405 | (funcall script) | |
406 | (mail-source-call-script | |
407 | (format-spec script spec)))) | |
408 | (when delay | |
409 | (sleep-for delay))) | |
410 | ||
411 | (defun mail-source-call-script (script) | |
412 | (let ((background nil)) | |
413 | (when (string-match "& *$" script) | |
414 | (setq script (substring script 0 (match-beginning 0)) | |
415 | background 0)) | |
416 | (call-process shell-file-name nil background nil | |
417 | shell-command-switch script))) | |
418 | ||
419 | ;;; | |
420 | ;;; Different fetchers | |
421 | ;;; | |
422 | ||
423 | (defun mail-source-fetch-file (source callback) | |
424 | "Fetcher for single-file sources." | |
425 | (mail-source-bind (file source) | |
426 | (mail-source-run-script | |
427 | prescript (format-spec-make ?t mail-source-crash-box) | |
428 | prescript-delay) | |
429 | (let ((mail-source-string (format "file:%s" path))) | |
430 | (if (mail-source-movemail path mail-source-crash-box) | |
431 | (prog1 | |
432 | (mail-source-callback callback path) | |
433 | (mail-source-run-script | |
434 | postscript (format-spec-make ?t mail-source-crash-box))) | |
435 | 0)))) | |
436 | ||
437 | (defun mail-source-fetch-directory (source callback) | |
438 | "Fetcher for directory sources." | |
439 | (mail-source-bind (directory source) | |
440 | (let ((found 0) | |
441 | (mail-source-string (format "directory:%s" path))) | |
442 | (dolist (file (directory-files | |
443 | path t (concat (regexp-quote suffix) "$"))) | |
444 | (when (and (file-regular-p file) | |
445 | (funcall predicate file) | |
446 | (mail-source-movemail file mail-source-crash-box)) | |
447 | (incf found (mail-source-callback callback file)))) | |
448 | found))) | |
449 | ||
450 | (defun mail-source-fetch-pop (source callback) | |
451 | "Fetcher for single-file sources." | |
452 | (mail-source-bind (pop source) | |
453 | (mail-source-run-script | |
454 | prescript | |
455 | (format-spec-make ?p password ?t mail-source-crash-box | |
456 | ?s server ?P port ?u user) | |
457 | prescript-delay) | |
458 | (let ((from (format "%s:%s:%s" server user port)) | |
459 | (mail-source-string (format "pop:%s@%s" user server)) | |
460 | result) | |
461 | (when (eq authentication 'password) | |
462 | (setq password | |
463 | (or password | |
464 | (cdr (assoc from mail-source-password-cache)) | |
465 | (mail-source-read-passwd | |
466 | (format "Password for %s at %s: " user server))))) | |
467 | (when server | |
468 | (setenv "MAILHOST" server)) | |
469 | (setq result | |
470 | (cond | |
471 | (program | |
472 | (mail-source-fetch-with-program | |
473 | (format-spec | |
474 | program | |
475 | (format-spec-make ?p password ?t mail-source-crash-box | |
476 | ?s server ?P port ?u user)))) | |
477 | (function | |
478 | (funcall function mail-source-crash-box)) | |
479 | ;; The default is to use pop3.el. | |
480 | (t | |
481 | (let ((pop3-password password) | |
482 | (pop3-maildrop user) | |
483 | (pop3-mailhost server) | |
484 | (pop3-port port) | |
485 | (pop3-authentication-scheme | |
486 | (if (eq authentication 'apop) 'apop 'pass))) | |
487 | (save-excursion (pop3-movemail mail-source-crash-box)))))) | |
488 | (if result | |
489 | (progn | |
490 | (when (eq authentication 'password) | |
491 | (unless (assoc from mail-source-password-cache) | |
492 | (push (cons from password) mail-source-password-cache))) | |
493 | (prog1 | |
494 | (mail-source-callback callback server) | |
495 | ;; Update display-time's mail flag, if relevant. | |
496 | (if (equal source mail-source-primary-source) | |
497 | (setq mail-source-new-mail-available nil)) | |
498 | (mail-source-run-script | |
499 | postscript | |
500 | (format-spec-make ?p password ?t mail-source-crash-box | |
501 | ?s server ?P port ?u user)))) | |
502 | ;; We nix out the password in case the error | |
503 | ;; was because of a wrong password being given. | |
504 | (setq mail-source-password-cache | |
505 | (delq (assoc from mail-source-password-cache) | |
506 | mail-source-password-cache)) | |
507 | 0)))) | |
508 | ||
509 | (defun mail-source-check-pop (source) | |
510 | "Check whether there is new mail." | |
511 | (mail-source-bind (pop source) | |
512 | (let ((from (format "%s:%s:%s" server user port)) | |
513 | (mail-source-string (format "pop:%s@%s" user server)) | |
514 | result) | |
515 | (when (eq authentication 'password) | |
516 | (setq password | |
517 | (or password | |
518 | (cdr (assoc from mail-source-password-cache)) | |
519 | (mail-source-read-passwd | |
520 | (format "Password for %s at %s: " user server)))) | |
521 | (unless (assoc from mail-source-password-cache) | |
522 | (push (cons from password) mail-source-password-cache))) | |
523 | (when server | |
524 | (setenv "MAILHOST" server)) | |
525 | (setq result | |
526 | (cond | |
527 | ;; No easy way to check whether mail is waiting for these. | |
528 | (program) | |
529 | (function) | |
530 | ;; The default is to use pop3.el. | |
531 | (t | |
532 | (let ((pop3-password password) | |
533 | (pop3-maildrop user) | |
534 | (pop3-mailhost server) | |
535 | (pop3-port port) | |
536 | (pop3-authentication-scheme | |
537 | (if (eq authentication 'apop) 'apop 'pass))) | |
538 | (save-excursion (pop3-get-message-count)))))) | |
539 | (if result | |
540 | ;; Inform display-time that we have new mail. | |
541 | (setq mail-source-new-mail-available (> result 0)) | |
542 | ;; We nix out the password in case the error | |
543 | ;; was because of a wrong password being given. | |
544 | (setq mail-source-password-cache | |
545 | (delq (assoc from mail-source-password-cache) | |
546 | mail-source-password-cache))) | |
547 | result))) | |
548 | ||
549 | (defun mail-source-new-mail-p () | |
550 | "Handler for `display-time' to indicate when new mail is available." | |
551 | ;; Only report flag setting; flag is updated on a different schedule. | |
552 | mail-source-new-mail-available) | |
553 | ||
554 | ||
555 | (defvar mail-source-report-new-mail nil) | |
556 | (defvar mail-source-report-new-mail-timer nil) | |
557 | (defvar mail-source-report-new-mail-idle-timer nil) | |
558 | ||
559 | (eval-when-compile (require 'timer)) | |
560 | ||
561 | (defun mail-source-start-idle-timer () | |
562 | ;; Start our idle timer if necessary, so we delay the check until the | |
563 | ;; user isn't typing. | |
564 | (unless mail-source-report-new-mail-idle-timer | |
565 | (setq mail-source-report-new-mail-idle-timer | |
566 | (run-with-idle-timer | |
567 | mail-source-idle-time-delay | |
568 | nil | |
569 | (lambda () | |
570 | (setq mail-source-report-new-mail-idle-timer nil) | |
571 | (mail-source-check-pop mail-source-primary-source)))) | |
572 | ;; Since idle timers created when Emacs is already in the idle | |
573 | ;; state don't get activated until Emacs _next_ becomes idle, we | |
574 | ;; need to force our timer to be considered active now. We do | |
575 | ;; this by being naughty and poking the timer internals directly | |
576 | ;; (element 0 of the vector is nil if the timer is active). | |
577 | (aset mail-source-report-new-mail-idle-timer 0 nil))) | |
578 | ||
579 | (defun mail-source-report-new-mail (arg) | |
580 | "Toggle whether to report when new mail is available. | |
581 | This only works when `display-time' is enabled." | |
582 | (interactive "P") | |
583 | (if (not mail-source-primary-source) | |
584 | (error "Need to set `mail-source-primary-source' to check for new mail.")) | |
585 | (let ((on (if (null arg) | |
586 | (not mail-source-report-new-mail) | |
587 | (> (prefix-numeric-value arg) 0)))) | |
588 | (setq mail-source-report-new-mail on) | |
589 | (and mail-source-report-new-mail-timer | |
590 | (cancel-timer mail-source-report-new-mail-timer)) | |
591 | (and mail-source-report-new-mail-idle-timer | |
592 | (cancel-timer mail-source-report-new-mail-idle-timer)) | |
593 | (setq mail-source-report-new-mail-timer nil) | |
594 | (setq mail-source-report-new-mail-idle-timer nil) | |
595 | (if on | |
596 | (progn | |
597 | (require 'time) | |
598 | (setq display-time-mail-function #'mail-source-new-mail-p) | |
599 | ;; Set up the main timer. | |
600 | (setq mail-source-report-new-mail-timer | |
601 | (run-at-time t (* 60 mail-source-report-new-mail-interval) | |
602 | #'mail-source-start-idle-timer)) | |
603 | ;; When you get new mail, clear "Mail" from the mode line. | |
604 | (add-hook 'nnmail-post-get-new-mail-hook | |
605 | 'display-time-event-handler) | |
606 | (message "Mail check enabled")) | |
607 | (setq display-time-mail-function nil) | |
608 | (remove-hook 'nnmail-post-get-new-mail-hook | |
609 | 'display-time-event-handler) | |
610 | (message "Mail check disabled")))) | |
611 | ||
612 | (defun mail-source-fetch-maildir (source callback) | |
613 | "Fetcher for maildir sources." | |
614 | (mail-source-bind (maildir source) | |
615 | (let ((found 0) | |
616 | mail-source-string) | |
617 | (unless (string-match "/$" path) | |
618 | (setq path (concat path "/"))) | |
619 | (dolist (subdir subdirs) | |
620 | (when (file-directory-p (concat path subdir)) | |
621 | (setq mail-source-string (format "maildir:%s%s" path subdir)) | |
622 | (dolist (file (directory-files (concat path subdir) t)) | |
623 | (when (and (not (file-directory-p file)) | |
624 | (not (if function | |
625 | (funcall function file mail-source-crash-box) | |
626 | (let ((coding-system-for-write | |
627 | mm-text-coding-system) | |
628 | (coding-system-for-read | |
629 | mm-text-coding-system)) | |
630 | (with-temp-file mail-source-crash-box | |
631 | (insert-file-contents file) | |
632 | (goto-char (point-min)) | |
633 | ;;; ;; Unix mail format | |
634 | ;;; (unless (looking-at "\n*From ") | |
635 | ;;; (insert "From maildir " | |
636 | ;;; (current-time-string) "\n")) | |
637 | ;;; (while (re-search-forward "^From " nil t) | |
638 | ;;; (replace-match ">From ")) | |
639 | ;; MMDF mail format | |
640 | (insert "\001\001\001\001\n") | |
641 | (goto-char (point-max)) | |
642 | (insert "\n\n")) | |
643 | (delete-file file))))) | |
644 | (incf found (mail-source-callback callback file)))))) | |
645 | found))) | |
646 | ||
647 | (eval-and-compile | |
648 | (autoload 'imap-open "imap") | |
649 | (autoload 'imap-authenticate "imap") | |
650 | (autoload 'imap-mailbox-select "imap") | |
651 | (autoload 'imap-mailbox-unselect "imap") | |
652 | (autoload 'imap-mailbox-close "imap") | |
653 | (autoload 'imap-search "imap") | |
654 | (autoload 'imap-fetch "imap") | |
655 | (autoload 'imap-close "imap") | |
656 | (autoload 'imap-error-text "imap") | |
657 | (autoload 'imap-message-flags-add "imap") | |
658 | (autoload 'imap-list-to-message-set "imap") | |
659 | (autoload 'nnheader-ms-strip-cr "nnheader")) | |
660 | ||
661 | (defun mail-source-fetch-imap (source callback) | |
662 | "Fetcher for imap sources." | |
663 | (mail-source-bind (imap source) | |
664 | (let ((from (format "%s:%s:%s" server user port)) | |
665 | (found 0) | |
666 | (buf (get-buffer-create (generate-new-buffer-name " *imap source*"))) | |
667 | (mail-source-string (format "imap:%s:%s" server mailbox)) | |
668 | remove) | |
669 | (if (and (imap-open server port stream authentication buf) | |
670 | (imap-authenticate | |
671 | user (or (cdr (assoc from mail-source-password-cache)) | |
672 | password) buf) | |
673 | (imap-mailbox-select mailbox nil buf)) | |
674 | (let (str (coding-system-for-write 'binary)) | |
675 | (with-temp-file mail-source-crash-box | |
676 | ;; remember password | |
677 | (with-current-buffer buf | |
678 | (when (or imap-password | |
679 | (assoc from mail-source-password-cache)) | |
680 | (push (cons from imap-password) mail-source-password-cache))) | |
681 | ;; if predicate is nil, use all uids | |
682 | (dolist (uid (imap-search (or predicate "1:*") buf)) | |
683 | (when (setq str (imap-fetch uid "RFC822.PEEK" 'RFC822 nil buf)) | |
684 | (push uid remove) | |
685 | (insert "From imap " (current-time-string) "\n") | |
686 | (save-excursion | |
687 | (insert str "\n\n")) | |
688 | (while (re-search-forward "^From " nil t) | |
689 | (replace-match ">From ")) | |
690 | (goto-char (point-max)))) | |
691 | (nnheader-ms-strip-cr)) | |
692 | (incf found (mail-source-callback callback server)) | |
693 | (when (and remove fetchflag) | |
694 | (imap-message-flags-add | |
695 | (imap-list-to-message-set remove) fetchflag nil buf)) | |
696 | (if dontexpunge | |
697 | (imap-mailbox-unselect buf) | |
698 | (imap-mailbox-close buf)) | |
699 | (imap-close buf)) | |
700 | (imap-close buf) | |
701 | ;; We nix out the password in case the error | |
702 | ;; was because of a wrong password being given. | |
703 | (setq mail-source-password-cache | |
704 | (delq (assoc from mail-source-password-cache) | |
705 | mail-source-password-cache)) | |
706 | (error (imap-error-text buf))) | |
707 | (kill-buffer buf) | |
708 | found))) | |
709 | ||
710 | (eval-and-compile | |
711 | (autoload 'webmail-fetch "webmail")) | |
712 | ||
713 | (defun mail-source-fetch-webmail (source callback) | |
714 | "Fetch for webmail source." | |
715 | (mail-source-bind (webmail source) | |
716 | (let ((mail-source-string (format "webmail:%s:%s" subtype user)) | |
717 | (webmail-newmail-only dontexpunge) | |
718 | (webmail-move-to-trash-can (not dontexpunge))) | |
719 | (when (eq authentication 'password) | |
720 | (setq password | |
721 | (or password | |
722 | (cdr (assoc (format "webmail:%s:%s" subtype user) | |
723 | mail-source-password-cache)) | |
724 | (mail-source-read-passwd | |
725 | (format "Password for %s at %s: " user subtype)))) | |
726 | (when (and password | |
727 | (not (assoc (format "webmail:%s:%s" subtype user) | |
728 | mail-source-password-cache))) | |
729 | (push (cons (format "webmail:%s:%s" subtype user) password) | |
730 | mail-source-password-cache))) | |
731 | (webmail-fetch mail-source-crash-box subtype user password) | |
732 | (mail-source-callback callback (symbol-name subtype))))) | |
733 | ||
734 | (provide 'mail-source) | |
735 | ||
736 | ;;; mail-source.el ends here |