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c113de23 GM |
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> | |
4f926b3e | 5 | ;; Maintainer: bugs@gnus.org |
c113de23 GM |
6 | ;; Keywords: news, mail |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;;; Code: | |
28 | ||
4f926b3e DL |
29 | (eval-when-compile |
30 | (require 'cl) | |
31 | (require 'imap) | |
32 | (eval-when-compile (defvar display-time-mail-function))) | |
c113de23 GM |
33 | (eval-and-compile |
34 | (autoload 'pop3-movemail "pop3") | |
4f926b3e DL |
35 | (autoload 'pop3-get-message-count "pop3") |
36 | (autoload 'nnheader-cancel-timer "nnheader")) | |
c113de23 | 37 | (require 'format-spec) |
4f926b3e | 38 | (require 'mm-util) |
c113de23 GM |
39 | |
40 | (defgroup mail-source nil | |
41 | "The mail-fetching library." | |
ce9401f3 | 42 | :version "21.1" |
c113de23 GM |
43 | :group 'gnus) |
44 | ||
4f926b3e DL |
45 | ;; Define these at compile time to avoid dragging in imap always. |
46 | (defconst mail-source-imap-authenticators | |
47 | (eval-when-compile | |
48 | (mapcar (lambda (a) | |
49 | (list 'const (car a))) | |
50 | imap-authenticator-alist))) | |
51 | (defconst mail-source-imap-streams | |
52 | (eval-when-compile | |
53 | (mapcar (lambda (a) | |
54 | (list 'const (car a))) | |
55 | imap-stream-alist))) | |
56 | ||
72fc0418 | 57 | (defcustom mail-sources nil |
c113de23 | 58 | "*Where the mail backends will look for incoming mail. |
ce9401f3 DL |
59 | This variable is a list of mail source specifiers. |
60 | See Info node `(gnus)Mail Source Specifiers'." | |
c113de23 | 61 | :group 'mail-source |
ce9401f3 | 62 | :type `(repeat |
4f926b3e DL |
63 | (choice :format "%[Value Menu%] %v" |
64 | :value (file) | |
65 | (cons :tag "Spool file" | |
66 | (const :format "" file) | |
67 | (checklist :tag "Options" :greedy t | |
68 | (group :inline t | |
69 | (const :format "" :value :path) | |
70 | file))) | |
ce9401f3 | 71 | (cons :tag "Several files in a directory" |
4f926b3e DL |
72 | (const :format "" directory) |
73 | (checklist :tag "Options" :greedy t | |
74 | (group :inline t | |
75 | (const :format "" :value :path) | |
76 | (directory :tag "Path")) | |
77 | (group :inline t | |
78 | (const :format "" :value :suffix) | |
79 | (string :tag "Suffix")) | |
80 | (group :inline t | |
81 | (const :format "" :value :predicate) | |
82 | (function :tag "Predicate")) | |
83 | (group :inline t | |
84 | (const :format "" :value :prescript) | |
85 | (string :tag "Prescript")) | |
86 | (group :inline t | |
87 | (const :format "" :value :postscript) | |
88 | (string :tag "Postscript")) | |
89 | (group :inline t | |
90 | (const :format "" :value :plugged) | |
91 | (boolean :tag "Plugged")))) | |
ce9401f3 | 92 | (cons :tag "POP3 server" |
4f926b3e DL |
93 | (const :format "" pop) |
94 | (checklist :tag "Options" :greedy t | |
95 | (group :inline t | |
96 | (const :format "" :value :server) | |
97 | (string :tag "Server")) | |
98 | (group :inline t | |
99 | (const :format "" :value :port) | |
100 | (choice :tag "Port" | |
101 | :value "pop3" | |
102 | (number :format "%v") | |
103 | (string :format "%v"))) | |
104 | (group :inline t | |
105 | (const :format "" :value :user) | |
106 | (string :tag "User")) | |
107 | (group :inline t | |
108 | (const :format "" :value :password) | |
109 | (string :tag "Password")) | |
110 | (group :inline t | |
111 | (const :format "" :value :program) | |
112 | (string :tag "Program")) | |
113 | (group :inline t | |
114 | (const :format "" :value :prescript) | |
115 | (string :tag "Prescript")) | |
116 | (group :inline t | |
117 | (const :format "" :value :postscript) | |
118 | (string :tag "Postscript")) | |
119 | (group :inline t | |
120 | (const :format "" :value :function) | |
121 | (function :tag "Function")) | |
122 | (group :inline t | |
123 | (const :format "" | |
124 | :value :authentication) | |
125 | (choice :tag "Authentication" | |
126 | :value apop | |
127 | (const password) | |
128 | (const apop))) | |
129 | (group :inline t | |
130 | (const :format "" :value :plugged) | |
131 | (boolean :tag "Plugged")))) | |
ce9401f3 | 132 | (cons :tag "Maildir (qmail, postfix...)" |
4f926b3e DL |
133 | (const :format "" maildir) |
134 | (checklist :tag "Options" :greedy t | |
135 | (group :inline t | |
136 | (const :format "" :value :path) | |
137 | (directory :tag "Path")) | |
138 | (group :inline t | |
139 | (const :format "" :value :plugged) | |
140 | (boolean :tag "Plugged")))) | |
ce9401f3 | 141 | (cons :tag "IMAP server" |
4f926b3e DL |
142 | (const :format "" imap) |
143 | (checklist :tag "Options" :greedy t | |
144 | (group :inline t | |
145 | (const :format "" :value :server) | |
146 | (string :tag "Server")) | |
147 | (group :inline t | |
148 | (const :format "" :value :port) | |
149 | (choice :tag "Port" | |
150 | :value 143 | |
151 | number string)) | |
152 | (group :inline t | |
153 | (const :format "" :value :user) | |
154 | (string :tag "User")) | |
155 | (group :inline t | |
156 | (const :format "" :value :password) | |
157 | (string :tag "Password")) | |
158 | (group :inline t | |
159 | (const :format "" :value :stream) | |
160 | (choice :tag "Stream" | |
161 | :value network | |
162 | ,@mail-source-imap-streams)) | |
163 | (group :inline t | |
164 | (const :format "" | |
165 | :value :authenticator) | |
166 | (choice :tag "Authenticator" | |
167 | :value login | |
168 | ,@mail-source-imap-authenticators)) | |
169 | (group :inline t | |
170 | (const :format "" :value :mailbox) | |
5dd7fd91 DL |
171 | (string :tag "Mailbox" |
172 | :value "INBOX")) | |
4f926b3e DL |
173 | (group :inline t |
174 | (const :format "" :value :predicate) | |
5dd7fd91 DL |
175 | (string :tag "Predicate" |
176 | :value "UNSEEN UNDELETED")) | |
4f926b3e DL |
177 | (group :inline t |
178 | (const :format "" :value :fetchflag) | |
5dd7fd91 DL |
179 | (string :tag "Fetchflag" |
180 | :value "\\Deleted")) | |
4f926b3e DL |
181 | (group :inline t |
182 | (const :format "" | |
183 | :value :dontexpunge) | |
184 | (boolean :tag "Dontexpunge")) | |
185 | (group :inline t | |
186 | (const :format "" :value :plugged) | |
187 | (boolean :tag "Plugged")))) | |
ce9401f3 | 188 | (cons :tag "Webmail server" |
4f926b3e DL |
189 | (const :format "" webmail) |
190 | (checklist :tag "Options" :greedy t | |
191 | (group :inline t | |
192 | (const :format "" :value :subtype) | |
193 | ;; Should be generated from | |
194 | ;; `webmail-type-definition', but we | |
195 | ;; can't require webmail without W3. | |
196 | (choice :tag "Subtype" | |
197 | :value hotmail | |
198 | (const hotmail) | |
199 | (const yahoo) | |
200 | (const netaddress) | |
201 | (const netscape) | |
202 | (const my-deja))) | |
203 | (group :inline t | |
204 | (const :format "" :value :user) | |
205 | (string :tag "User")) | |
206 | (group :inline t | |
207 | (const :format "" :value :password) | |
208 | (string :tag "Password")) | |
209 | (group :inline t | |
210 | (const :format "" | |
211 | :value :dontexpunge) | |
212 | (boolean :tag "Dontexpunge")) | |
213 | (group :inline t | |
214 | (const :format "" :value :plugged) | |
215 | (boolean :tag "Plugged"))))))) | |
c113de23 GM |
216 | |
217 | (defcustom mail-source-primary-source nil | |
218 | "*Primary source for incoming mail. | |
219 | If non-nil, this maildrop will be checked periodically for new mail." | |
220 | :group 'mail-source | |
221 | :type 'sexp) | |
222 | ||
223 | (defcustom mail-source-crash-box "~/.emacs-mail-crash-box" | |
224 | "File where mail will be stored while processing it." | |
225 | :group 'mail-source | |
226 | :type 'file) | |
227 | ||
228 | (defcustom mail-source-directory "~/Mail/" | |
229 | "Directory where files (if any) will be stored." | |
230 | :group 'mail-source | |
231 | :type 'directory) | |
232 | ||
233 | (defcustom mail-source-default-file-modes 384 | |
234 | "Set the mode bits of all new mail files to this integer." | |
235 | :group 'mail-source | |
236 | :type 'integer) | |
237 | ||
805b7fc0 | 238 | (defcustom mail-source-delete-incoming t |
c113de23 GM |
239 | "*If non-nil, delete incoming files after handling." |
240 | :group 'mail-source | |
241 | :type 'boolean) | |
242 | ||
243 | (defcustom mail-source-incoming-file-prefix "Incoming" | |
244 | "Prefix for file name for storing incoming mail" | |
245 | :group 'mail-source | |
246 | :type 'string) | |
247 | ||
248 | (defcustom mail-source-report-new-mail-interval 5 | |
249 | "Interval in minutes between checks for new mail." | |
250 | :group 'mail-source | |
251 | :type 'number) | |
252 | ||
253 | (defcustom mail-source-idle-time-delay 5 | |
254 | "Number of idle seconds to wait before checking for new mail." | |
255 | :group 'mail-source | |
256 | :type 'number) | |
257 | ||
258 | ;;; Internal variables. | |
259 | ||
260 | (defvar mail-source-string "" | |
261 | "A dynamically bound string that says what the current mail source is.") | |
262 | ||
263 | (defvar mail-source-new-mail-available nil | |
264 | "Flag indicating when new mail is available.") | |
265 | ||
266 | (eval-and-compile | |
267 | (defvar mail-source-common-keyword-map | |
268 | '((:plugged)) | |
269 | "Mapping from keywords to default values. | |
270 | Common keywords should be listed here.") | |
271 | ||
272 | (defvar mail-source-keyword-map | |
273 | '((file | |
274 | (:prescript) | |
275 | (:prescript-delay) | |
276 | (:postscript) | |
277 | (:path (or (getenv "MAIL") | |
4f926b3e | 278 | (expand-file-name (user-login-name) rmail-spool-directory)))) |
c113de23 GM |
279 | (directory |
280 | (:path) | |
281 | (:suffix ".spool") | |
282 | (:predicate identity)) | |
283 | (pop | |
284 | (:prescript) | |
285 | (:prescript-delay) | |
286 | (:postscript) | |
287 | (:server (getenv "MAILHOST")) | |
288 | (:port 110) | |
289 | (:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER"))) | |
290 | (:program) | |
291 | (:function) | |
292 | (:password) | |
293 | (:authentication password)) | |
294 | (maildir | |
295 | (:path (or (getenv "MAILDIR") "~/Maildir/")) | |
296 | (:subdirs ("new" "cur")) | |
297 | (:function)) | |
298 | (imap | |
299 | (:server (getenv "MAILHOST")) | |
300 | (:port) | |
301 | (:stream) | |
302 | (:authentication) | |
303 | (:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER"))) | |
304 | (:password) | |
305 | (:mailbox "INBOX") | |
306 | (:predicate "UNSEEN UNDELETED") | |
307 | (:fetchflag "\\Deleted") | |
308 | (:dontexpunge)) | |
309 | (webmail | |
310 | (:subtype hotmail) | |
311 | (:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER"))) | |
312 | (:password) | |
313 | (:dontexpunge) | |
314 | (:authentication password))) | |
315 | "Mapping from keywords to default values. | |
316 | All keywords that can be used must be listed here.")) | |
317 | ||
318 | (defvar mail-source-fetcher-alist | |
319 | '((file mail-source-fetch-file) | |
320 | (directory mail-source-fetch-directory) | |
321 | (pop mail-source-fetch-pop) | |
322 | (maildir mail-source-fetch-maildir) | |
323 | (imap mail-source-fetch-imap) | |
324 | (webmail mail-source-fetch-webmail)) | |
325 | "A mapping from source type to fetcher function.") | |
326 | ||
327 | (defvar mail-source-password-cache nil) | |
328 | ||
329 | (defvar mail-source-plugged t) | |
330 | ||
331 | ;;; Functions | |
332 | ||
333 | (eval-and-compile | |
334 | (defun mail-source-strip-keyword (keyword) | |
335 | "Strip the leading colon off the KEYWORD." | |
336 | (intern (substring (symbol-name keyword) 1)))) | |
337 | ||
338 | (eval-and-compile | |
339 | (defun mail-source-bind-1 (type) | |
340 | (let* ((defaults (cdr (assq type mail-source-keyword-map))) | |
341 | default bind) | |
342 | (while (setq default (pop defaults)) | |
343 | (push (list (mail-source-strip-keyword (car default)) | |
344 | nil) | |
345 | bind)) | |
346 | bind))) | |
347 | ||
348 | (defmacro mail-source-bind (type-source &rest body) | |
349 | "Return a `let' form that binds all variables in source TYPE. | |
350 | TYPE-SOURCE is a list where the first element is the TYPE, and | |
351 | the second variable is the SOURCE. | |
352 | At run time, the mail source specifier SOURCE will be inspected, | |
353 | and the variables will be set according to it. Variables not | |
354 | specified will be given default values. | |
355 | ||
356 | After this is done, BODY will be executed in the scope | |
357 | of the `let' form. | |
358 | ||
359 | The variables bound and their default values are described by | |
360 | the `mail-source-keyword-map' variable." | |
361 | `(let ,(mail-source-bind-1 (car type-source)) | |
362 | (mail-source-set-1 ,(cadr type-source)) | |
363 | ,@body)) | |
364 | ||
365 | (put 'mail-source-bind 'lisp-indent-function 1) | |
366 | (put 'mail-source-bind 'edebug-form-spec '(form body)) | |
367 | ||
368 | (defun mail-source-set-1 (source) | |
369 | (let* ((type (pop source)) | |
370 | (defaults (cdr (assq type mail-source-keyword-map))) | |
371 | default value keyword) | |
372 | (while (setq default (pop defaults)) | |
373 | (set (mail-source-strip-keyword (setq keyword (car default))) | |
374 | (if (setq value (plist-get source keyword)) | |
375 | (mail-source-value value) | |
376 | (mail-source-value (cadr default))))))) | |
377 | ||
378 | (eval-and-compile | |
379 | (defun mail-source-bind-common-1 () | |
380 | (let* ((defaults mail-source-common-keyword-map) | |
381 | default bind) | |
382 | (while (setq default (pop defaults)) | |
383 | (push (list (mail-source-strip-keyword (car default)) | |
384 | nil) | |
385 | bind)) | |
386 | bind))) | |
387 | ||
388 | (defun mail-source-set-common-1 (source) | |
389 | (let* ((type (pop source)) | |
390 | (defaults mail-source-common-keyword-map) | |
391 | (defaults-1 (cdr (assq type mail-source-keyword-map))) | |
392 | default value keyword) | |
393 | (while (setq default (pop defaults)) | |
394 | (set (mail-source-strip-keyword (setq keyword (car default))) | |
395 | (if (setq value (plist-get source keyword)) | |
396 | (mail-source-value value) | |
397 | (if (setq value (assq keyword defaults-1)) | |
398 | (mail-source-value (cadr value)) | |
399 | (mail-source-value (cadr default)))))))) | |
400 | ||
401 | (defmacro mail-source-bind-common (source &rest body) | |
402 | "Return a `let' form that binds all common variables. | |
403 | See `mail-source-bind'." | |
404 | `(let ,(mail-source-bind-common-1) | |
405 | (mail-source-set-common-1 source) | |
406 | ,@body)) | |
407 | ||
408 | (put 'mail-source-bind-common 'lisp-indent-function 1) | |
409 | (put 'mail-source-bind-common 'edebug-form-spec '(form body)) | |
410 | ||
411 | (defun mail-source-value (value) | |
412 | "Return the value of VALUE." | |
413 | (cond | |
414 | ;; String | |
415 | ((stringp value) | |
416 | value) | |
417 | ;; Function | |
418 | ((and (listp value) | |
419 | (functionp (car value))) | |
420 | (eval value)) | |
421 | ;; Just return the value. | |
422 | (t | |
423 | value))) | |
424 | ||
425 | (defun mail-source-fetch (source callback) | |
426 | "Fetch mail from SOURCE and call CALLBACK zero or more times. | |
427 | CALLBACK will be called with the name of the file where (some of) | |
428 | the mail from SOURCE is put. | |
429 | Return the number of files that were found." | |
430 | (mail-source-bind-common source | |
431 | (if (or mail-source-plugged plugged) | |
432 | (save-excursion | |
433 | (let ((function (cadr (assq (car source) mail-source-fetcher-alist))) | |
434 | (found 0)) | |
435 | (unless function | |
436 | (error "%S is an invalid mail source specification" source)) | |
437 | ;; If there's anything in the crash box, we do it first. | |
438 | (when (file-exists-p mail-source-crash-box) | |
439 | (message "Processing mail from %s..." mail-source-crash-box) | |
440 | (setq found (mail-source-callback | |
441 | callback mail-source-crash-box))) | |
442 | (+ found | |
443 | (condition-case err | |
444 | (funcall function source callback) | |
445 | (error | |
446 | (unless (yes-or-no-p | |
447 | (format "Mail source error (%s). Continue? " err)) | |
448 | (error "Cannot get new mail.")) | |
449 | 0)))))))) | |
450 | ||
451 | (defun mail-source-make-complex-temp-name (prefix) | |
452 | (let ((newname (make-temp-name prefix)) | |
453 | (newprefix prefix)) | |
454 | (while (file-exists-p newname) | |
455 | (setq newprefix (concat newprefix "x")) | |
456 | (setq newname (make-temp-name newprefix))) | |
457 | newname)) | |
458 | ||
459 | (defun mail-source-callback (callback info) | |
460 | "Call CALLBACK on the mail file, and then remove the mail file. | |
461 | Pass INFO on to CALLBACK." | |
462 | (if (or (not (file-exists-p mail-source-crash-box)) | |
463 | (zerop (nth 7 (file-attributes mail-source-crash-box)))) | |
464 | (progn | |
465 | (when (file-exists-p mail-source-crash-box) | |
466 | (delete-file mail-source-crash-box)) | |
467 | 0) | |
468 | (prog1 | |
469 | (funcall callback mail-source-crash-box info) | |
470 | (when (file-exists-p mail-source-crash-box) | |
471 | ;; Delete or move the incoming mail out of the way. | |
472 | (if mail-source-delete-incoming | |
473 | (delete-file mail-source-crash-box) | |
474 | (let ((incoming | |
475 | (mail-source-make-complex-temp-name | |
476 | (expand-file-name | |
477 | mail-source-incoming-file-prefix | |
478 | mail-source-directory)))) | |
479 | (unless (file-exists-p (file-name-directory incoming)) | |
480 | (make-directory (file-name-directory incoming) t)) | |
481 | (rename-file mail-source-crash-box incoming t))))))) | |
482 | ||
483 | (defun mail-source-movemail (from to) | |
484 | "Move FROM to TO using movemail." | |
485 | (if (not (file-writable-p to)) | |
486 | (error "Can't write to crash box %s. Not moving mail" to) | |
487 | (let ((to (file-truename (expand-file-name to))) | |
488 | errors result) | |
489 | (setq to (file-truename to) | |
490 | from (file-truename from)) | |
491 | ;; Set TO if have not already done so, and rename or copy | |
492 | ;; the file FROM to TO if and as appropriate. | |
493 | (cond | |
494 | ((file-exists-p to) | |
495 | ;; The crash box exists already. | |
496 | t) | |
497 | ((not (file-exists-p from)) | |
498 | ;; There is no inbox. | |
499 | (setq to nil)) | |
500 | ((zerop (nth 7 (file-attributes from))) | |
501 | ;; Empty file. | |
502 | (setq to nil)) | |
503 | (t | |
504 | ;; If getting from mail spool directory, use movemail to move | |
505 | ;; rather than just renaming, so as to interlock with the | |
506 | ;; mailer. | |
507 | (unwind-protect | |
508 | (save-excursion | |
509 | (setq errors (generate-new-buffer " *mail source loss*")) | |
510 | (let ((default-directory "/")) | |
511 | (setq result | |
512 | (apply | |
513 | 'call-process | |
514 | (append | |
515 | (list | |
516 | (expand-file-name "movemail" exec-directory) | |
517 | nil errors nil from to))))) | |
518 | (when (file-exists-p to) | |
519 | (set-file-modes to mail-source-default-file-modes)) | |
520 | (if (and (not (buffer-modified-p errors)) | |
521 | (zerop result)) | |
522 | ;; No output => movemail won. | |
523 | t | |
524 | (set-buffer errors) | |
525 | ;; There may be a warning about older revisions. We | |
526 | ;; ignore that. | |
527 | (goto-char (point-min)) | |
528 | (if (search-forward "older revision" nil t) | |
529 | t | |
530 | ;; Probably a real error. | |
531 | (subst-char-in-region (point-min) (point-max) ?\n ?\ ) | |
532 | (goto-char (point-max)) | |
533 | (skip-chars-backward " \t") | |
534 | (delete-region (point) (point-max)) | |
535 | (goto-char (point-min)) | |
536 | (when (looking-at "movemail: ") | |
537 | (delete-region (point-min) (match-end 0))) | |
538 | (unless (yes-or-no-p | |
539 | (format "movemail: %s (%d return). Continue? " | |
540 | (buffer-string) result)) | |
541 | (error "%s" (buffer-string))) | |
542 | (setq to nil))))))) | |
543 | (when (and errors | |
544 | (buffer-name errors)) | |
545 | (kill-buffer errors)) | |
546 | ;; Return whether we moved successfully or not. | |
547 | to))) | |
548 | ||
549 | (defun mail-source-movemail-and-remove (from to) | |
550 | "Move FROM to TO using movemail, then remove FROM if empty." | |
551 | (or (not (mail-source-movemail from to)) | |
552 | (not (zerop (nth 7 (file-attributes from)))) | |
553 | (delete-file from))) | |
554 | ||
555 | (defvar mail-source-read-passwd nil) | |
556 | (defun mail-source-read-passwd (prompt &rest args) | |
557 | "Read a password using PROMPT. | |
558 | If ARGS, PROMPT is used as an argument to `format'." | |
559 | (let ((prompt | |
560 | (if args | |
561 | (apply 'format prompt args) | |
562 | prompt))) | |
563 | (unless mail-source-read-passwd | |
564 | (if (or (fboundp 'read-passwd) (load "passwd" t)) | |
565 | (setq mail-source-read-passwd 'read-passwd) | |
566 | (unless (fboundp 'ange-ftp-read-passwd) | |
567 | (autoload 'ange-ftp-read-passwd "ange-ftp")) | |
568 | (setq mail-source-read-passwd 'ange-ftp-read-passwd))) | |
569 | (funcall mail-source-read-passwd prompt))) | |
570 | ||
571 | (defun mail-source-fetch-with-program (program) | |
572 | (zerop (call-process shell-file-name nil nil nil | |
ce9401f3 | 573 | shell-command-switch program))) |
c113de23 GM |
574 | |
575 | (defun mail-source-run-script (script spec &optional delay) | |
576 | (when script | |
577 | (if (and (symbolp script) (fboundp script)) | |
578 | (funcall script) | |
579 | (mail-source-call-script | |
580 | (format-spec script spec)))) | |
581 | (when delay | |
582 | (sleep-for delay))) | |
583 | ||
584 | (defun mail-source-call-script (script) | |
585 | (let ((background nil)) | |
586 | (when (string-match "& *$" script) | |
587 | (setq script (substring script 0 (match-beginning 0)) | |
588 | background 0)) | |
589 | (call-process shell-file-name nil background nil | |
590 | shell-command-switch script))) | |
591 | ||
592 | ;;; | |
593 | ;;; Different fetchers | |
594 | ;;; | |
595 | ||
596 | (defun mail-source-fetch-file (source callback) | |
597 | "Fetcher for single-file sources." | |
598 | (mail-source-bind (file source) | |
599 | (mail-source-run-script | |
600 | prescript (format-spec-make ?t mail-source-crash-box) | |
601 | prescript-delay) | |
602 | (let ((mail-source-string (format "file:%s" path))) | |
603 | (if (mail-source-movemail path mail-source-crash-box) | |
604 | (prog1 | |
605 | (mail-source-callback callback path) | |
606 | (mail-source-run-script | |
607 | postscript (format-spec-make ?t mail-source-crash-box))) | |
608 | 0)))) | |
609 | ||
610 | (defun mail-source-fetch-directory (source callback) | |
611 | "Fetcher for directory sources." | |
612 | (mail-source-bind (directory source) | |
613 | (let ((found 0) | |
614 | (mail-source-string (format "directory:%s" path))) | |
615 | (dolist (file (directory-files | |
616 | path t (concat (regexp-quote suffix) "$"))) | |
617 | (when (and (file-regular-p file) | |
618 | (funcall predicate file) | |
619 | (mail-source-movemail file mail-source-crash-box)) | |
620 | (incf found (mail-source-callback callback file)))) | |
621 | found))) | |
622 | ||
623 | (defun mail-source-fetch-pop (source callback) | |
624 | "Fetcher for single-file sources." | |
625 | (mail-source-bind (pop source) | |
626 | (mail-source-run-script | |
627 | prescript | |
628 | (format-spec-make ?p password ?t mail-source-crash-box | |
629 | ?s server ?P port ?u user) | |
630 | prescript-delay) | |
631 | (let ((from (format "%s:%s:%s" server user port)) | |
632 | (mail-source-string (format "pop:%s@%s" user server)) | |
633 | result) | |
634 | (when (eq authentication 'password) | |
635 | (setq password | |
636 | (or password | |
637 | (cdr (assoc from mail-source-password-cache)) | |
638 | (mail-source-read-passwd | |
639 | (format "Password for %s at %s: " user server))))) | |
640 | (when server | |
641 | (setenv "MAILHOST" server)) | |
642 | (setq result | |
643 | (cond | |
644 | (program | |
645 | (mail-source-fetch-with-program | |
646 | (format-spec | |
647 | program | |
648 | (format-spec-make ?p password ?t mail-source-crash-box | |
649 | ?s server ?P port ?u user)))) | |
650 | (function | |
651 | (funcall function mail-source-crash-box)) | |
652 | ;; The default is to use pop3.el. | |
653 | (t | |
654 | (let ((pop3-password password) | |
655 | (pop3-maildrop user) | |
656 | (pop3-mailhost server) | |
657 | (pop3-port port) | |
658 | (pop3-authentication-scheme | |
659 | (if (eq authentication 'apop) 'apop 'pass))) | |
660 | (save-excursion (pop3-movemail mail-source-crash-box)))))) | |
661 | (if result | |
662 | (progn | |
663 | (when (eq authentication 'password) | |
664 | (unless (assoc from mail-source-password-cache) | |
665 | (push (cons from password) mail-source-password-cache))) | |
666 | (prog1 | |
667 | (mail-source-callback callback server) | |
668 | ;; Update display-time's mail flag, if relevant. | |
669 | (if (equal source mail-source-primary-source) | |
670 | (setq mail-source-new-mail-available nil)) | |
671 | (mail-source-run-script | |
672 | postscript | |
673 | (format-spec-make ?p password ?t mail-source-crash-box | |
674 | ?s server ?P port ?u user)))) | |
675 | ;; We nix out the password in case the error | |
676 | ;; was because of a wrong password being given. | |
677 | (setq mail-source-password-cache | |
678 | (delq (assoc from mail-source-password-cache) | |
679 | mail-source-password-cache)) | |
680 | 0)))) | |
681 | ||
682 | (defun mail-source-check-pop (source) | |
683 | "Check whether there is new mail." | |
684 | (mail-source-bind (pop source) | |
685 | (let ((from (format "%s:%s:%s" server user port)) | |
686 | (mail-source-string (format "pop:%s@%s" user server)) | |
687 | result) | |
688 | (when (eq authentication 'password) | |
689 | (setq password | |
690 | (or password | |
691 | (cdr (assoc from mail-source-password-cache)) | |
692 | (mail-source-read-passwd | |
693 | (format "Password for %s at %s: " user server)))) | |
694 | (unless (assoc from mail-source-password-cache) | |
695 | (push (cons from password) mail-source-password-cache))) | |
696 | (when server | |
697 | (setenv "MAILHOST" server)) | |
698 | (setq result | |
699 | (cond | |
700 | ;; No easy way to check whether mail is waiting for these. | |
701 | (program) | |
702 | (function) | |
703 | ;; The default is to use pop3.el. | |
704 | (t | |
705 | (let ((pop3-password password) | |
706 | (pop3-maildrop user) | |
707 | (pop3-mailhost server) | |
708 | (pop3-port port) | |
709 | (pop3-authentication-scheme | |
710 | (if (eq authentication 'apop) 'apop 'pass))) | |
711 | (save-excursion (pop3-get-message-count)))))) | |
712 | (if result | |
713 | ;; Inform display-time that we have new mail. | |
714 | (setq mail-source-new-mail-available (> result 0)) | |
715 | ;; We nix out the password in case the error | |
716 | ;; was because of a wrong password being given. | |
717 | (setq mail-source-password-cache | |
718 | (delq (assoc from mail-source-password-cache) | |
719 | mail-source-password-cache))) | |
720 | result))) | |
721 | ||
722 | (defun mail-source-new-mail-p () | |
723 | "Handler for `display-time' to indicate when new mail is available." | |
724 | ;; Only report flag setting; flag is updated on a different schedule. | |
725 | mail-source-new-mail-available) | |
726 | ||
727 | ||
728 | (defvar mail-source-report-new-mail nil) | |
729 | (defvar mail-source-report-new-mail-timer nil) | |
730 | (defvar mail-source-report-new-mail-idle-timer nil) | |
731 | ||
126cbb42 DL |
732 | (eval-when-compile |
733 | (if (featurep 'xemacs) | |
734 | (require 'itimer) | |
735 | (require 'timer))) | |
c113de23 GM |
736 | |
737 | (defun mail-source-start-idle-timer () | |
738 | ;; Start our idle timer if necessary, so we delay the check until the | |
739 | ;; user isn't typing. | |
740 | (unless mail-source-report-new-mail-idle-timer | |
741 | (setq mail-source-report-new-mail-idle-timer | |
742 | (run-with-idle-timer | |
743 | mail-source-idle-time-delay | |
744 | nil | |
745 | (lambda () | |
746 | (setq mail-source-report-new-mail-idle-timer nil) | |
747 | (mail-source-check-pop mail-source-primary-source)))) | |
748 | ;; Since idle timers created when Emacs is already in the idle | |
749 | ;; state don't get activated until Emacs _next_ becomes idle, we | |
750 | ;; need to force our timer to be considered active now. We do | |
751 | ;; this by being naughty and poking the timer internals directly | |
752 | ;; (element 0 of the vector is nil if the timer is active). | |
753 | (aset mail-source-report-new-mail-idle-timer 0 nil))) | |
754 | ||
755 | (defun mail-source-report-new-mail (arg) | |
756 | "Toggle whether to report when new mail is available. | |
757 | This only works when `display-time' is enabled." | |
758 | (interactive "P") | |
759 | (if (not mail-source-primary-source) | |
760 | (error "Need to set `mail-source-primary-source' to check for new mail.")) | |
761 | (let ((on (if (null arg) | |
762 | (not mail-source-report-new-mail) | |
763 | (> (prefix-numeric-value arg) 0)))) | |
764 | (setq mail-source-report-new-mail on) | |
765 | (and mail-source-report-new-mail-timer | |
72fc0418 | 766 | (nnheader-cancel-timer mail-source-report-new-mail-timer)) |
c113de23 | 767 | (and mail-source-report-new-mail-idle-timer |
72fc0418 | 768 | (nnheader-cancel-timer mail-source-report-new-mail-idle-timer)) |
c113de23 GM |
769 | (setq mail-source-report-new-mail-timer nil) |
770 | (setq mail-source-report-new-mail-idle-timer nil) | |
771 | (if on | |
772 | (progn | |
773 | (require 'time) | |
ce9401f3 | 774 | ;; display-time-mail-function is an Emacs 21 feature. |
c113de23 GM |
775 | (setq display-time-mail-function #'mail-source-new-mail-p) |
776 | ;; Set up the main timer. | |
777 | (setq mail-source-report-new-mail-timer | |
778 | (run-at-time t (* 60 mail-source-report-new-mail-interval) | |
779 | #'mail-source-start-idle-timer)) | |
780 | ;; When you get new mail, clear "Mail" from the mode line. | |
781 | (add-hook 'nnmail-post-get-new-mail-hook | |
782 | 'display-time-event-handler) | |
783 | (message "Mail check enabled")) | |
784 | (setq display-time-mail-function nil) | |
785 | (remove-hook 'nnmail-post-get-new-mail-hook | |
786 | 'display-time-event-handler) | |
787 | (message "Mail check disabled")))) | |
788 | ||
789 | (defun mail-source-fetch-maildir (source callback) | |
790 | "Fetcher for maildir sources." | |
791 | (mail-source-bind (maildir source) | |
792 | (let ((found 0) | |
793 | mail-source-string) | |
794 | (unless (string-match "/$" path) | |
795 | (setq path (concat path "/"))) | |
796 | (dolist (subdir subdirs) | |
797 | (when (file-directory-p (concat path subdir)) | |
798 | (setq mail-source-string (format "maildir:%s%s" path subdir)) | |
799 | (dolist (file (directory-files (concat path subdir) t)) | |
800 | (when (and (not (file-directory-p file)) | |
801 | (not (if function | |
802 | (funcall function file mail-source-crash-box) | |
803 | (let ((coding-system-for-write | |
804 | mm-text-coding-system) | |
805 | (coding-system-for-read | |
806 | mm-text-coding-system)) | |
807 | (with-temp-file mail-source-crash-box | |
808 | (insert-file-contents file) | |
809 | (goto-char (point-min)) | |
810 | ;;; ;; Unix mail format | |
811 | ;;; (unless (looking-at "\n*From ") | |
812 | ;;; (insert "From maildir " | |
813 | ;;; (current-time-string) "\n")) | |
814 | ;;; (while (re-search-forward "^From " nil t) | |
815 | ;;; (replace-match ">From ")) | |
126cbb42 DL |
816 | ;;; (goto-char (point-max)) |
817 | ;;; (insert "\n\n") | |
c113de23 | 818 | ;; MMDF mail format |
126cbb42 | 819 | (insert "\001\001\001\001\n")) |
c113de23 GM |
820 | (delete-file file))))) |
821 | (incf found (mail-source-callback callback file)))))) | |
822 | found))) | |
823 | ||
824 | (eval-and-compile | |
825 | (autoload 'imap-open "imap") | |
826 | (autoload 'imap-authenticate "imap") | |
827 | (autoload 'imap-mailbox-select "imap") | |
828 | (autoload 'imap-mailbox-unselect "imap") | |
829 | (autoload 'imap-mailbox-close "imap") | |
830 | (autoload 'imap-search "imap") | |
831 | (autoload 'imap-fetch "imap") | |
832 | (autoload 'imap-close "imap") | |
833 | (autoload 'imap-error-text "imap") | |
834 | (autoload 'imap-message-flags-add "imap") | |
835 | (autoload 'imap-list-to-message-set "imap") | |
72fc0418 | 836 | (autoload 'imap-range-to-message-set "imap") |
c113de23 GM |
837 | (autoload 'nnheader-ms-strip-cr "nnheader")) |
838 | ||
72fc0418 DL |
839 | (defvar mail-source-imap-file-coding-system 'binary |
840 | "Coding system for the crashbox made by `mail-source-fetch-imap'.") | |
841 | ||
c113de23 GM |
842 | (defun mail-source-fetch-imap (source callback) |
843 | "Fetcher for imap sources." | |
844 | (mail-source-bind (imap source) | |
845 | (let ((from (format "%s:%s:%s" server user port)) | |
846 | (found 0) | |
847 | (buf (get-buffer-create (generate-new-buffer-name " *imap source*"))) | |
848 | (mail-source-string (format "imap:%s:%s" server mailbox)) | |
849 | remove) | |
850 | (if (and (imap-open server port stream authentication buf) | |
851 | (imap-authenticate | |
852 | user (or (cdr (assoc from mail-source-password-cache)) | |
853 | password) buf) | |
854 | (imap-mailbox-select mailbox nil buf)) | |
4f926b3e | 855 | (let ((coding-system-for-write mail-source-imap-file-coding-system) |
126cbb42 | 856 | str) |
c113de23 | 857 | (with-temp-file mail-source-crash-box |
4f926b3e DL |
858 | ;; Avoid converting 8-bit chars from inserted strings to |
859 | ;; multibyte. | |
860 | (mm-disable-multibyte) | |
c113de23 GM |
861 | ;; remember password |
862 | (with-current-buffer buf | |
863 | (when (or imap-password | |
864 | (assoc from mail-source-password-cache)) | |
865 | (push (cons from imap-password) mail-source-password-cache))) | |
866 | ;; if predicate is nil, use all uids | |
867 | (dolist (uid (imap-search (or predicate "1:*") buf)) | |
868 | (when (setq str (imap-fetch uid "RFC822.PEEK" 'RFC822 nil buf)) | |
869 | (push uid remove) | |
870 | (insert "From imap " (current-time-string) "\n") | |
871 | (save-excursion | |
872 | (insert str "\n\n")) | |
873 | (while (re-search-forward "^From " nil t) | |
874 | (replace-match ">From ")) | |
875 | (goto-char (point-max)))) | |
876 | (nnheader-ms-strip-cr)) | |
877 | (incf found (mail-source-callback callback server)) | |
878 | (when (and remove fetchflag) | |
879 | (imap-message-flags-add | |
72fc0418 DL |
880 | (imap-range-to-message-set (gnus-compress-sequence remove)) |
881 | fetchflag nil buf)) | |
c113de23 GM |
882 | (if dontexpunge |
883 | (imap-mailbox-unselect buf) | |
884 | (imap-mailbox-close buf)) | |
885 | (imap-close buf)) | |
886 | (imap-close buf) | |
887 | ;; We nix out the password in case the error | |
888 | ;; was because of a wrong password being given. | |
889 | (setq mail-source-password-cache | |
890 | (delq (assoc from mail-source-password-cache) | |
891 | mail-source-password-cache)) | |
892 | (error (imap-error-text buf))) | |
893 | (kill-buffer buf) | |
894 | found))) | |
895 | ||
896 | (eval-and-compile | |
897 | (autoload 'webmail-fetch "webmail")) | |
898 | ||
899 | (defun mail-source-fetch-webmail (source callback) | |
900 | "Fetch for webmail source." | |
901 | (mail-source-bind (webmail source) | |
902 | (let ((mail-source-string (format "webmail:%s:%s" subtype user)) | |
903 | (webmail-newmail-only dontexpunge) | |
904 | (webmail-move-to-trash-can (not dontexpunge))) | |
905 | (when (eq authentication 'password) | |
906 | (setq password | |
907 | (or password | |
908 | (cdr (assoc (format "webmail:%s:%s" subtype user) | |
909 | mail-source-password-cache)) | |
910 | (mail-source-read-passwd | |
911 | (format "Password for %s at %s: " user subtype)))) | |
912 | (when (and password | |
913 | (not (assoc (format "webmail:%s:%s" subtype user) | |
914 | mail-source-password-cache))) | |
915 | (push (cons (format "webmail:%s:%s" subtype user) password) | |
916 | mail-source-password-cache))) | |
917 | (webmail-fetch mail-source-crash-box subtype user password) | |
918 | (mail-source-callback callback (symbol-name subtype))))) | |
919 | ||
920 | (provide 'mail-source) | |
921 | ||
922 | ;;; mail-source.el ends here |