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[emacs.git] / lisp / gnuspost.el
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1 ;;; gnuspost.el --- post news commands for GNUS newsreader
3 ;; Copyright (C) 1989, 1990, 1993, 1994 Free Software Foundation, Inc.
5 ;; Author: Masanobu UMEDA <umerin@mse.kyutech.ac.jp>
6 ;; Keywords: news
8 ;; This file is part of GNU Emacs.
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.
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.
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
22 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 ;;; Code:
26 (require 'gnus)
28 (defvar gnus-organization-file "/usr/lib/news/organization"
29 "*Local news organization file.")
31 (defvar gnus-post-news-buffer "*post-news*")
32 (defvar gnus-winconf-post-news nil)
34 (autoload 'news-reply-mode "rnewspost")
35 (autoload 'timezone-make-date-arpa-standard "timezone")
37 ;;; Post news commands of GNUS Group Mode and Summary Mode
39 (defun gnus-group-post-news ()
40 "Post an article."
41 (interactive)
42 ;; Save window configuration.
43 (setq gnus-winconf-post-news (current-window-configuration))
44 (unwind-protect
45 (gnus-post-news)
46 (or (and (eq (current-buffer) (get-buffer gnus-post-news-buffer))
47 (not (zerop (buffer-size))))
48 ;; Restore last window configuration.
49 (set-window-configuration gnus-winconf-post-news)))
50 ;; We don't want to return to Summary buffer nor Article buffer later.
51 (if (get-buffer gnus-summary-buffer)
52 (bury-buffer gnus-summary-buffer))
53 (if (get-buffer gnus-article-buffer)
54 (bury-buffer gnus-article-buffer)))
56 (defun gnus-summary-post-news ()
57 "Post an article."
58 (interactive)
59 (gnus-summary-select-article t nil)
60 ;; Save window configuration.
61 (setq gnus-winconf-post-news (current-window-configuration))
62 (unwind-protect
63 (progn
64 (switch-to-buffer gnus-article-buffer)
65 (widen)
66 (delete-other-windows)
67 (gnus-post-news))
68 (or (and (eq (current-buffer) (get-buffer gnus-post-news-buffer))
69 (not (zerop (buffer-size))))
70 ;; Restore last window configuration.
71 (set-window-configuration gnus-winconf-post-news)))
72 ;; We don't want to return to Article buffer later.
73 (bury-buffer gnus-article-buffer))
75 (defun gnus-summary-followup (yank)
76 "Post a reply article.
77 If prefix argument YANK is non-nil, original article is yanked automatically."
78 (interactive "P")
79 (gnus-summary-select-article t nil)
80 ;; Check Followup-To: poster.
81 (set-buffer gnus-article-buffer)
82 (if (and gnus-use-followup-to
83 (string-equal "poster" (gnus-fetch-field "followup-to"))
84 (or (not (eq gnus-use-followup-to t))
85 (not (y-or-n-p "Do you want to ignore `Followup-To: poster'? "))))
86 ;; Mail to the poster. GNUS is now RFC1036 compliant.
87 (gnus-summary-reply yank)
88 ;; Save window configuration.
89 (setq gnus-winconf-post-news (current-window-configuration))
90 (unwind-protect
91 (progn
92 (switch-to-buffer gnus-article-buffer)
93 (widen)
94 (delete-other-windows)
95 (gnus-news-reply yank))
96 (or (and (eq (current-buffer) (get-buffer gnus-post-news-buffer))
97 (not (zerop (buffer-size))))
98 ;; Restore last window configuration.
99 (set-window-configuration gnus-winconf-post-news)))
100 ;; We don't want to return to Article buffer later.
101 (bury-buffer gnus-article-buffer)))
103 (defun gnus-summary-followup-with-original ()
104 "Post a reply article with original article."
105 (interactive)
106 (gnus-summary-followup t))
108 (defun gnus-summary-cancel-article ()
109 "Cancel an article you posted."
110 (interactive)
111 (gnus-summary-select-article t nil)
112 (gnus-eval-in-buffer-window gnus-article-buffer
113 (gnus-cancel-news)))
116 ;;; Post a News using NNTP
118 ;;;###autoload
119 (defalias 'sendnews 'gnus-post-news)
121 ;;;###autoload
122 (defalias 'postnews 'gnus-post-news)
124 ;;;###autoload
125 (defun gnus-post-news ()
126 "Begin editing a new USENET news article to be posted.
127 Type \\[describe-mode] once editing the article to get a list of commands."
128 (interactive)
129 (if (or (not gnus-novice-user)
130 (y-or-n-p "Are you sure you want to post to all of USENET? "))
131 (let ((artbuf (current-buffer))
132 (newsgroups ;Default newsgroup.
133 (if (eq major-mode 'gnus-article-mode) gnus-newsgroup-name))
134 (subject nil)
135 ;; Get default distribution.
136 (distribution (car gnus-local-distributions))
137 (followup-to nil))
138 ;; Connect to NNTP server if not connected yet, and get
139 ;; several information.
140 (if (not (gnus-server-opened))
141 (progn
142 (gnus-start-news-server t) ;Confirm server.
143 (gnus-setup-news)))
144 ;; Get current article information.
145 (save-restriction
146 (and (not (zerop (buffer-size)))
147 ;;(equal major-mode 'news-mode)
148 (equal major-mode 'gnus-article-mode)
149 (progn
150 ;;(news-show-all-headers)
151 (gnus-article-show-all-headers)
152 (narrow-to-region (point-min)
153 (progn (goto-char (point-min))
154 (search-forward "\n\n")
155 (point)))))
156 (setq news-reply-yank-from (mail-fetch-field "from"))
157 (setq news-reply-yank-message-id (mail-fetch-field "message-id")))
158 (pop-to-buffer gnus-post-news-buffer)
159 (news-reply-mode)
160 (gnus-overload-functions)
161 (if (and (buffer-modified-p)
162 (> (buffer-size) 0)
163 (not (y-or-n-p "Unsent article being composed; erase it? ")))
164 ;; Continue composition.
165 ;; Make news-reply-yank-original work on the current article.
166 (setq mail-reply-buffer artbuf)
167 (erase-buffer)
168 (if gnus-interactive-post
169 ;; Newsgroups, subject and distribution are asked for.
170 ;; Suggested by yuki@flab.fujitsu.junet.
171 (progn
172 ;; Subscribed newsgroup names are required for
173 ;; completing read of newsgroup.
174 (or gnus-newsrc-assoc
175 (gnus-read-newsrc-file))
176 ;; Which do you like? (UMERIN)
177 ;; (setq newsgroups (read-string "Newsgroups: " "general"))
178 (or newsgroups ;Use the default newsgroup.
179 (let (group)
180 (while (not
181 (string=
182 (setq group
183 (completing-read "Newsgroup: "
184 gnus-newsrc-assoc
185 nil 'require-match))
186 ""))
187 (or followup-to (setq followup-to group))
188 (if newsgroups
189 (setq newsgroups (concat newsgroups "," group))
190 (setq newsgroups group)))))
191 (setq subject (read-string "Subject: "))
192 ;; Choose a distribution from gnus-distribution-list.
193 ;; completing-read should not be used with
194 ;; 'require-match functionality in order to allow use
195 ;; of unknow distribution.
196 (gnus-read-distributions-file)
197 (setq distribution
198 (if (consp gnus-distribution-list)
199 (completing-read "Distribution: "
200 gnus-distribution-list
201 nil nil ;Never 'require-match
202 distribution ;Default distribution.
204 (read-string "Distribution: ")))
205 ;; Empty string is okay.
206 ;;(if (string-equal distribution "")
207 ;; (setq distribution nil))
209 (news-setup () subject () newsgroups artbuf)
210 ;; Make sure the article is posted by GNUS.
211 ;;(mail-position-on-field "Posting-Software")
212 ;;(insert "GNUS: NNTP-based News Reader for GNU Emacs")
213 ;; Insert Distribution: field.
214 ;; Suggested by ichikawa@flab.fujitsu.junet.
215 (mail-position-on-field "Distribution")
216 (insert (or distribution ""))
217 ;; Add Followup-To header
218 (if followup-to
219 (progn
220 (mail-position-on-field "Followup-To")
221 (insert followup-to)))
222 ;; Handle author copy using FCC field.
223 (if gnus-author-copy
224 (progn
225 (mail-position-on-field "FCC")
226 (insert gnus-author-copy)))
227 (if gnus-interactive-post
228 ;; All fields are filled in.
229 (goto-char (point-max))
230 ;; Move point to Newsgroup: field.
231 (goto-char (point-min))
232 (end-of-line))
234 (message "")))
236 (defun gnus-news-reply (&optional yank)
237 "Compose and post a reply (aka a followup) to the current article on USENET.
238 While composing the followup, use \\[news-reply-yank-original] to yank the
239 original message into it."
240 (interactive)
241 (if (or (not gnus-novice-user)
242 (y-or-n-p "Are you sure you want to followup to all of USENET? "))
243 (let (from cc subject date to followup-to newsgroups message-of
244 references distribution message-id
245 (artbuf (current-buffer)))
246 (save-restriction
247 (and (not (zerop (buffer-size)))
248 ;;(equal major-mode 'news-mode)
249 (equal major-mode 'gnus-article-mode)
250 (progn
251 ;; (news-show-all-headers)
252 (gnus-article-show-all-headers)
253 (narrow-to-region (point-min)
254 (progn (goto-char (point-min))
255 (search-forward "\n\n")
256 (point)))))
257 (setq from (mail-fetch-field "from"))
258 ;; Get reply-to working corrrectly for gnus-auto-mail-to-author (jpm)
259 (setq reply-to (mail-fetch-field "reply-to"))
260 (setq news-reply-yank-from from)
261 (setq subject (mail-fetch-field "subject"))
262 (setq date (mail-fetch-field "date"))
263 (setq followup-to (mail-fetch-field "followup-to"))
264 ;; Ignore Followup-To: poster.
265 (if (or (null gnus-use-followup-to) ;Ignore followup-to: field.
266 (string-equal "" followup-to) ;Bogus header.
267 (string-equal "poster" followup-to))
268 (setq followup-to nil))
269 (setq newsgroups (or followup-to (mail-fetch-field "newsgroups")))
270 (setq references (mail-fetch-field "references"))
271 (setq distribution (mail-fetch-field "distribution"))
272 (setq message-id (mail-fetch-field "message-id"))
273 (setq news-reply-yank-message-id message-id))
274 (pop-to-buffer gnus-post-news-buffer)
275 (news-reply-mode)
276 (gnus-overload-functions)
277 (if (and (buffer-modified-p)
278 (> (buffer-size) 0)
279 (not (y-or-n-p "Unsent article being composed; erase it? ")))
280 ;; Continue composition.
281 ;; Make news-reply-yank-original work on current article.
282 (setq mail-reply-buffer artbuf)
283 (erase-buffer)
284 (and subject
285 (setq subject
286 (concat "Re: " (gnus-simplify-subject subject 're-only))))
287 (and from
288 (progn
289 (let ((stop-pos
290 (string-match " *at \\| *@ \\| *(\\| *<" from)))
291 (setq message-of
292 (concat
293 (if stop-pos (substring from 0 stop-pos) from)
294 "'s message of "
295 date)))))
296 (news-setup nil subject message-of newsgroups artbuf)
297 (if followup-to
298 (progn (news-reply-followup-to)
299 (insert followup-to)))
300 ;; Fold long references line to follow RFC1036.
301 (mail-position-on-field "References")
302 (let ((begin (point))
303 (fill-column 79)
304 (fill-prefix "\t"))
305 (if references
306 (insert references))
307 (if (and references message-id)
308 (insert " "))
309 (if message-id
310 (insert message-id))
311 ;; The region must end with a newline to fill the region
312 ;; without inserting extra newline.
313 (fill-region-as-paragraph begin (1+ (point))))
314 ;; Make sure the article is posted by GNUS.
315 ;;(mail-position-on-field "Posting-Software")
316 ;;(insert "GNUS: NNTP-based News Reader for GNU Emacs")
317 ;; Distribution must be the same as original article.
318 (mail-position-on-field "Distribution")
319 (insert (or distribution ""))
320 ;; Handle author copy using FCC field.
321 (if gnus-author-copy
322 (progn
323 (mail-position-on-field "FCC")
324 (insert gnus-author-copy)))
325 ;; Insert To: FROM field, which is expected to mail the
326 ;; message to the author of the article too. Use Reply-To
327 ;; field like gnus-mail-reply-using-m* (jpm).
328 (if (and gnus-auto-mail-to-author (or reply-to from))
329 (progn
330 (goto-char (point-min))
331 (insert "To: " (or reply-to from) "\n")))
332 (goto-char (point-max)))
333 ;; Yank original article automatically.
334 (if yank
335 (let ((last (point)))
336 ;;(goto-char (point-max))
337 ;; Insert at current point.
338 (news-reply-yank-original nil)
339 (goto-char last)))
341 (message "")))
343 (defun gnus-inews-news ()
344 "Send a news message."
345 (interactive)
346 (let* ((case-fold-search nil)
347 (server-running (gnus-server-opened)))
348 (save-excursion
349 ;; Connect to default NNTP server if necessary.
350 ;; Suggested by yuki@flab.fujitsu.junet.
351 (gnus-start-news-server) ;Use default server.
352 ;; NNTP server must be opened before current buffer is modified.
353 (widen)
354 (goto-char (point-min))
355 (run-hooks 'news-inews-hook)
356 (save-restriction
357 (narrow-to-region
358 (point-min)
359 (progn
360 (goto-char (point-min))
361 (search-forward (concat "\n" mail-header-separator "\n"))
362 (point)))
364 ;; Correct newsgroups field: change sequence of spaces to comma and
365 ;; eliminate spaces around commas. Eliminate imbedded line breaks.
366 (goto-char (point-min))
367 (if (search-forward-regexp "^Newsgroups: +" nil t)
368 (save-restriction
369 (narrow-to-region
370 (point)
371 (if (re-search-forward "^[^ \t]" nil 'end)
372 (match-beginning 0)
373 (point-max)))
374 (goto-char (point-min))
375 (replace-regexp "\n[ \t]+" " ") ;No line breaks (too confusing)
376 (goto-char (point-min))
377 (replace-regexp "[ \t\n]*,[ \t\n]*\\|[ \t]+" ",")
380 ;; Mail the message too if To: or Cc: exists.
381 (if (or (mail-fetch-field "to" nil t)
382 (mail-fetch-field "cc" nil t))
383 (if gnus-mail-send-method
384 (progn
385 (message "Sending via mail...")
386 (widen)
387 (funcall gnus-mail-send-method)
388 (message "Sending via mail... done"))
389 (ding)
390 (message "No mailer defined. To: and/or Cc: fields ignored.")
391 (sit-for 1))))
393 ;; Send to NNTP server.
394 (message "Posting to USENET...")
395 (if (gnus-inews-article)
396 (message "Posting to USENET... done")
397 ;; We cannot signal an error.
398 (ding) (message "Article rejected: %s" (gnus-status-message)))
399 (set-buffer-modified-p nil))
400 ;; If NNTP server is opened by gnus-inews-news, close it by myself.
401 (or server-running
402 (gnus-close-server))
403 (and (fboundp 'bury-buffer) (bury-buffer))
404 ;; Restore last window configuration.
405 (and gnus-winconf-post-news
406 (set-window-configuration gnus-winconf-post-news))
407 (setq gnus-winconf-post-news nil)
410 (defun gnus-cancel-news ()
411 "Cancel an article you posted."
412 (interactive)
413 (if (yes-or-no-p "Do you really want to cancel this article? ")
414 (let ((from nil)
415 (newsgroups nil)
416 (message-id nil)
417 (distribution nil))
418 (save-excursion
419 ;; Get header info. from original article.
420 (save-restriction
421 (gnus-article-show-all-headers)
422 (goto-char (point-min))
423 (search-forward "\n\n" nil 'move)
424 (narrow-to-region (point-min) (point))
425 (setq from (mail-fetch-field "from"))
426 (setq newsgroups (mail-fetch-field "newsgroups"))
427 (setq message-id (mail-fetch-field "message-id"))
428 (setq distribution (mail-fetch-field "distribution")))
429 ;; Verify if the article is absolutely user's by comparing
430 ;; user id with value of its From: field.
431 (if (not
432 (string-equal
433 (downcase (mail-strip-quoted-names from))
434 (downcase (mail-strip-quoted-names (gnus-inews-user-name)))))
435 (progn
436 (ding) (message "This article is not yours."))
437 ;; Make control article.
438 (set-buffer (get-buffer-create " *GNUS-canceling*"))
439 (buffer-disable-undo (current-buffer))
440 (erase-buffer)
441 (insert "Newsgroups: " newsgroups "\n"
442 "Subject: cancel " message-id "\n"
443 "Control: cancel " message-id "\n"
444 ;; We should not use the first value of
445 ;; `gnus-distribution-list' as default value,
446 ;; because distribution must be as same as original
447 ;; article.
448 "Distribution: " (or distribution "") "\n"
449 mail-header-separator "\n"
451 ;; Send the control article to NNTP server.
452 (message "Canceling your article...")
453 (if (gnus-inews-article)
454 (message "Canceling your article... done")
455 (ding) (message "Failed to cancel your article"))
456 ;; Kill the article buffer.
457 (kill-buffer (current-buffer))
462 ;;; Lowlevel inews interface
464 (defun gnus-inews-article ()
465 "Post an article in current buffer using NNTP protocol."
466 (let ((artbuf (current-buffer))
467 (tmpbuf (get-buffer-create " *GNUS-posting*")))
468 (save-excursion
469 (set-buffer tmpbuf)
470 (buffer-disable-undo (current-buffer))
471 (erase-buffer)
472 (insert-buffer-substring artbuf)
473 ;; Remove the header separator.
474 (goto-char (point-min))
475 (search-forward (concat "\n" mail-header-separator "\n"))
476 (replace-match "\n\n")
477 (goto-char (point-max))
478 ;; require a newline at the end for inews to append .signature to
479 (or (= (preceding-char) ?\n)
480 (insert ?\n))
481 ;; This hook may insert a signature.
482 (run-hooks 'gnus-prepare-article-hook)
483 ;; Prepare article headers. All message body such as signature
484 ;; must be inserted before Lines: field is prepared.
485 (save-restriction
486 (goto-char (point-min))
487 (search-forward "\n\n")
488 (narrow-to-region (point-min) (point))
489 (gnus-inews-insert-headers))
490 ;; Run final inews hooks. This hook may do FCC.
491 ;; The article must be saved before being posted because
492 ;; `gnus-request-post' modifies the buffer.
493 (run-hooks 'gnus-inews-article-hook)
494 ;; Post an article to NNTP server.
495 ;; Return NIL if post failed.
496 (prog1
497 (gnus-request-post)
498 (kill-buffer (current-buffer)))
501 (defun gnus-inews-insert-headers ()
502 "Prepare article headers.
503 Fields already prepared in the buffer are not modified.
504 Fields in gnus-required-headers will be generated."
505 (save-excursion
506 (let ((date (gnus-inews-date))
507 (message-id (gnus-inews-message-id))
508 (organization (gnus-inews-organization)))
509 (goto-char (point-min))
510 (or (mail-fetch-field "path")
511 (and (memq 'Path gnus-required-headers)
512 (insert "Path: " (gnus-inews-path) "\n")))
513 (or (mail-fetch-field "from")
514 (and (memq 'From gnus-required-headers)
515 (insert "From: " (gnus-inews-user-name) "\n")))
516 ;; If there is no subject, make Subject: field.
517 (or (mail-fetch-field "subject")
518 (and (memq 'Subject gnus-required-headers)
519 (insert "Subject: \n")))
520 ;; If there is no newsgroups, make Newsgroups: field.
521 (or (mail-fetch-field "newsgroups")
522 (and (memq 'Newsgroups gnus-required-headers)
523 (insert "Newsgroups: \n")))
524 (or (mail-fetch-field "message-id")
525 (and message-id
526 (memq 'Message-ID gnus-required-headers)
527 (insert "Message-ID: " message-id "\n")))
528 (or (mail-fetch-field "date")
529 (and date
530 (memq 'Date gnus-required-headers)
531 (insert "Date: " date "\n")))
532 ;; Optional fields in RFC977 and RFC1036
533 (or (mail-fetch-field "organization")
534 (and organization
535 (memq 'Organization gnus-required-headers)
536 (let ((begin (point))
537 (fill-column 79)
538 (fill-prefix "\t"))
539 (insert "Organization: " organization "\n")
540 (fill-region-as-paragraph begin (point)))))
541 (or (mail-fetch-field "distribution")
542 (and (memq 'Distribution gnus-required-headers)
543 (insert "Distribution: \n")))
544 (or (mail-fetch-field "lines")
545 (and (memq 'Lines gnus-required-headers)
546 (insert "Lines: " (gnus-inews-lines) "\n")))
550 ;; Utility functions.
552 (defun gnus-inews-insert-signature ()
553 "Insert signature file in current article buffer.
554 If there is a file named .signature-DISTRIBUTION, it is used instead
555 of usual .signature when the distribution of the article is
556 DISTRIBUTION. Set the variable to nil to prevent appending the
557 signature file automatically.
558 Signature file is specified by the variable gnus-signature-file."
559 (save-excursion
560 (save-restriction
561 ;; Change signature file by distribution.
562 ;; Suggested by hyoko@flab.fujitsu.co.jp.
563 (let ((signature
564 (if gnus-signature-file
565 (expand-file-name gnus-signature-file nil)))
566 (distribution nil))
567 (goto-char (point-min))
568 (search-forward "\n\n")
569 (narrow-to-region (point-min) (point))
570 (setq distribution (mail-fetch-field "distribution"))
571 (widen)
572 (if signature
573 (progn
574 (if (file-exists-p (concat signature "-" distribution))
575 (setq signature (concat signature "-" distribution)))
576 ;; Insert signature.
577 (if (file-exists-p signature)
578 (progn
579 (goto-char (point-max))
580 (insert "-- \n")
581 (insert-file-contents signature)))
582 ))))))
584 (defun gnus-inews-do-fcc ()
585 "Process FCC: fields in current article buffer.
586 Unless the first character of the field is `|', the article is saved
587 to the specified file using the function specified by the variable
588 gnus-author-copy-saver. The default function rmail-output saves in
589 Unix mailbox format.
590 If the first character is `|', the contents of the article is send to
591 a program specified by the rest of the value."
592 (let ((fcc-list nil)
593 (fcc-file nil)
594 (case-fold-search t)) ;Should ignore case.
595 (save-excursion
596 (save-restriction
597 (goto-char (point-min))
598 (search-forward "\n\n")
599 (narrow-to-region (point-min) (point))
600 (goto-char (point-min))
601 (while (re-search-forward "^FCC:[ \t]*" nil t)
602 (setq fcc-list
603 (cons (buffer-substring
604 (point)
605 (progn
606 (end-of-line)
607 (skip-chars-backward " \t")
608 (point)))
609 fcc-list))
610 (delete-region (match-beginning 0)
611 (progn (forward-line 1) (point))))
612 ;; Process FCC operations.
613 (widen)
614 (while fcc-list
615 (setq fcc-file (car fcc-list))
616 (setq fcc-list (cdr fcc-list))
617 (cond ((string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" fcc-file)
618 (let ((program (substring fcc-file
619 (match-beginning 1) (match-end 1))))
620 ;; Suggested by yuki@flab.fujitsu.junet.
621 ;; Send article to named program.
622 (call-process-region (point-min) (point-max) shell-file-name
623 nil nil nil "-c" program)
626 ;; Suggested by hyoko@flab.fujitsu.junet.
627 ;; Save article in Unix mail format by default.
628 (if (and gnus-author-copy-saver
629 (not (eq gnus-author-copy-saver 'rmail-output)))
630 (funcall gnus-author-copy-saver fcc-file)
631 (if (and (file-readable-p fcc-file)
632 (mail-file-babyl-p fcc-file))
633 (gnus-output-to-rmail fcc-file)
634 (rmail-output fcc-file 1 t t)))
640 (defun gnus-inews-path ()
641 "Return uucp path."
642 (let ((login-name (gnus-inews-login-name)))
643 (cond ((null gnus-use-generic-path)
644 (concat gnus-nntp-server "!" login-name))
645 ((stringp gnus-use-generic-path)
646 ;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com.
647 (concat gnus-use-generic-path "!" login-name))
648 (t login-name))
651 (defun gnus-inews-user-name ()
652 "Return user's network address as `NAME@DOMAIN (FULLNAME)'."
653 (let ((full-name (gnus-inews-full-name)))
654 (concat (if (or gnus-user-login-name gnus-use-generic-from
655 gnus-local-domain (getenv "DOMAINNAME"))
656 (concat (gnus-inews-login-name) "@"
657 (gnus-inews-domain-name gnus-use-generic-from))
658 user-mail-address)
659 ;; User's full name.
660 (cond ((string-equal full-name "") "")
661 ((string-equal full-name "&") ;Unix hack.
662 (concat " (" login-name ")"))
664 (concat " (" full-name ")")))
667 (defun gnus-inews-login-name ()
668 "Return user login name.
669 Got from the variable `gnus-user-login-name' and the function
670 `user-login-name'."
671 (or gnus-user-login-name (user-login-name)))
673 (defun gnus-inews-full-name ()
674 "Return user full name.
675 Got from the variable `gnus-user-full-name', the environment variable
676 NAME, and the function `user-full-name'."
677 (or gnus-user-full-name
678 (getenv "NAME") (user-full-name)))
680 (defun gnus-inews-domain-name (&optional genericfrom)
681 "Return user's domain name.
682 If optional argument GENERICFROM is a string, use it as the domain
683 name; if it is non-nil, strip of local host name from the domain name.
684 If the function `system-name' returns full internet name and the
685 domain is undefined, the domain name is got from it."
686 (and (null gnus-local-domain)
687 (boundp 'gnus-your-domain)
688 (setq gnus-local-domain gnus-your-domain))
689 (if (or genericfrom gnus-local-domain (getenv "DOMAINNAME"))
690 (let ((domain (or (if (stringp genericfrom) genericfrom)
691 (getenv "DOMAINNAME")
692 gnus-local-domain
693 ;; Function `system-name' may return full internet name.
694 ;; Suggested by Mike DeCorte <mrd@sun.soe.clarkson.edu>.
695 (if (string-match "\\." (system-name))
696 (substring (system-name) (match-end 0)))
697 (read-string "Domain name (no host): ")))
698 (host (or (if (string-match "\\." (system-name))
699 (substring (system-name) 0 (match-beginning 0)))
700 (system-name))))
701 (if (string-equal "." (substring domain 0 1))
702 (setq domain (substring domain 1)))
703 ;; Support GENERICFROM as same as standard Bnews system.
704 ;; Suggested by ohm@kaba.junet and vixie@decwrl.dec.com.
705 (cond ((null genericfrom)
706 (concat host "." domain))
707 ;;((stringp genericfrom) genericfrom)
708 (t domain)))
709 (substring user-mail-address (1+ (string-match "@" user-mail-address)))))
711 (defun gnus-inews-message-id ()
712 "Generate unique Message-ID for user."
713 ;; Message-ID should not contain a slash and should be terminated by
714 ;; a number. I don't know the reason why it is so.
715 (concat "<" (gnus-inews-unique-id) "@" (gnus-inews-domain-name) ">"))
717 (defun gnus-inews-unique-id ()
718 "Generate unique ID from user name and current time."
719 (let ((date (current-time-string))
720 (name (gnus-inews-login-name)))
721 (if (string-match "^[^ ]+ \\([^ ]+\\)[ ]+\\([0-9]+\\) \\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\) [0-9][0-9]\\([0-9][0-9]\\)"
722 date)
723 (concat (upcase name) "."
724 (substring date (match-beginning 6) (match-end 6)) ;Year
725 (substring date (match-beginning 1) (match-end 1)) ;Month
726 (substring date (match-beginning 2) (match-end 2)) ;Day
727 (substring date (match-beginning 3) (match-end 3)) ;Hour
728 (substring date (match-beginning 4) (match-end 4)) ;Minute
729 (substring date (match-beginning 5) (match-end 5)) ;Second
731 (error "Cannot understand current-time-string: %s." date))
734 (defun gnus-current-time-zone (time)
735 "The local time zone in effect at TIME, or nil if not known."
736 (let ((z (and (fboundp 'current-time-zone) (current-time-zone time))))
737 (if (and z (car z)) z gnus-local-timezone)))
739 (defun gnus-inews-date ()
740 "Date string of today.
741 If `current-time-zone' works, or if `gnus-local-timezone' is set correctly,
742 this yields a date that conforms to RFC 822. Otherwise a buggy date will
743 be generated; this might work with some older news servers."
744 (let* ((now (and (fboundp 'current-time) (current-time)))
745 (zone (gnus-current-time-zone now)))
746 (if zone
747 (gnus-inews-valid-date now zone)
748 ;; No timezone info.
749 (gnus-inews-buggy-date now))))
751 (defun gnus-inews-valid-date (&optional time zone)
752 "A date string that represents TIME and conforms to the Usenet standard.
753 TIME is optional and defaults to the current time.
754 Some older versions of Emacs always act as if TIME is nil.
755 The optional argument ZONE specifies the local time zone (default GMT)."
756 (timezone-make-date-arpa-standard
757 (if (fboundp 'current-time)
758 (current-time-string time)
759 (current-time-string))
760 zone "GMT"))
762 (defun gnus-inews-buggy-date (&optional time)
763 "A buggy date string that represents TIME.
764 TIME is optional and defaults to the current time.
765 Some older versions of Emacs always act as if TIME is nil."
766 (let ((date (if (fboundp 'current-time)
767 (current-time-string time)
768 (current-time-string))))
769 (if (string-match "^[^ ]+ \\([^ ]+\\)[ ]+\\([0-9]+\\) \\([0-9:]+\\) [0-9][0-9]\\([0-9][0-9]\\)"
770 date)
771 (concat (substring date (match-beginning 2) (match-end 2)) ;Day
773 (substring date (match-beginning 1) (match-end 1)) ;Month
775 (substring date (match-beginning 4) (match-end 4)) ;Year
777 (substring date (match-beginning 3) (match-end 3))) ;Time
778 (error "Cannot understand current-time-string: %s." date))
781 (defun gnus-inews-organization ()
782 "Return user's organization.
783 The ORGANIZATION environment variable is used if defined.
784 If not, the variable gnus-local-organization is used instead.
785 If the value begins with a slash, it is taken as the name of a file
786 containing the organization."
787 ;; The organization must be got in this order since the ORGANIZATION
788 ;; environment variable is intended for user specific while
789 ;; gnus-local-organization is for machine or organization specific.
791 ;; Note: compatibility hack. This will be removed in the next version.
792 (and (null gnus-local-organization)
793 (boundp 'gnus-your-organization)
794 (setq gnus-local-organization gnus-your-organization))
795 ;; End of compatibility hack.
796 (let* ((private-file (expand-file-name "~/.organization" nil))
797 (organization (or (getenv "ORGANIZATION")
798 gnus-local-organization
799 private-file)))
800 (and (stringp organization)
801 (> (length organization) 0)
802 (string-equal (substring organization 0 1) "/")
803 ;; Get it from the user and system file.
804 ;; Suggested by roland@wheaties.ai.mit.edu (Roland McGrath).
805 (let ((dist (mail-fetch-field "distribution")))
806 (setq organization
807 (cond ((file-exists-p (concat organization "-" dist))
808 (concat organization "-" dist))
809 ((file-exists-p organization) organization)
810 ((file-exists-p gnus-organization-file)
811 gnus-organization-file)
812 (t organization)))
814 (cond ((not (stringp organization)) nil)
815 ((and (string-equal (substring organization 0 1) "/")
816 (file-exists-p organization))
817 ;; If the first character is `/', assume it is the name of
818 ;; a file containing the organization.
819 (save-excursion
820 (let ((tmpbuf (get-buffer-create " *GNUS organization*")))
821 (set-buffer tmpbuf)
822 (erase-buffer)
823 (insert-file-contents organization)
824 (prog1 (buffer-string)
825 (kill-buffer tmpbuf))
827 ((string-equal organization private-file) nil) ;No such file
828 (t organization))
831 (defun gnus-inews-lines ()
832 "Count the number of lines and return numeric string."
833 (save-excursion
834 (save-restriction
835 (widen)
836 (goto-char (point-min))
837 (search-forward "\n\n" nil 'move)
838 (int-to-string (count-lines (point) (point-max))))))
840 (provide 'gnuspost)
842 ;;; gnuspost.el ends here