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emacs/lisp/gnuspost.el
1992-07-22 20:59:53 +00:00

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;;; gnuspost.el --- post news commands for GNUS newsreader
;; Copyright (C) 1989, 1990 Free Software Foundation, Inc.
;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Keywords: news
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;; Code:
(require 'gnus)
(defvar gnus-organization-file "/usr/lib/news/organization"
"*Local news organization file.")
(defvar gnus-post-news-buffer "*post-news*")
(defvar gnus-winconf-post-news nil)
(autoload 'news-reply-mode "rnewspost")
;;; Post news commands of GNUS Group Mode and Subject Mode
(defun gnus-Group-post-news ()
"Post an article."
(interactive)
;; Save window configuration.
(setq gnus-winconf-post-news (current-window-configuration))
(unwind-protect
(gnus-post-news)
(or (and (eq (current-buffer) (get-buffer gnus-post-news-buffer))
(not (zerop (buffer-size))))
;; Restore last window configuration.
(set-window-configuration gnus-winconf-post-news)))
;; We don't want to return to Subject buffer nor Article buffer later.
(if (get-buffer gnus-Subject-buffer)
(bury-buffer gnus-Subject-buffer))
(if (get-buffer gnus-Article-buffer)
(bury-buffer gnus-Article-buffer)))
(defun gnus-Subject-post-news ()
"Post an article."
(interactive)
(gnus-Subject-select-article t nil)
;; Save window configuration.
(setq gnus-winconf-post-news (current-window-configuration))
(unwind-protect
(progn
(switch-to-buffer gnus-Article-buffer)
(widen)
(delete-other-windows)
(gnus-post-news))
(or (and (eq (current-buffer) (get-buffer gnus-post-news-buffer))
(not (zerop (buffer-size))))
;; Restore last window configuration.
(set-window-configuration gnus-winconf-post-news)))
;; We don't want to return to Article buffer later.
(bury-buffer gnus-Article-buffer))
(defun gnus-Subject-post-reply (yank)
"Post a reply article.
If prefix argument YANK is non-nil, original article is yanked automatically."
(interactive "P")
(gnus-Subject-select-article t nil)
;; Check Followup-To: poster.
(set-buffer gnus-Article-buffer)
(if (and gnus-use-followup-to
(string-equal "poster" (gnus-fetch-field "followup-to"))
(or (not (eq gnus-use-followup-to t))
(not (y-or-n-p "Do you want to ignore `Followup-To: poster'? "))))
;; Mail to the poster. GNUS is now RFC1036 compliant.
(gnus-Subject-mail-reply yank)
;; Save window configuration.
(setq gnus-winconf-post-news (current-window-configuration))
(unwind-protect
(progn
(switch-to-buffer gnus-Article-buffer)
(widen)
(delete-other-windows)
(gnus-news-reply yank))
(or (and (eq (current-buffer) (get-buffer gnus-post-news-buffer))
(not (zerop (buffer-size))))
;; Restore last window configuration.
(set-window-configuration gnus-winconf-post-news)))
;; We don't want to return to Article buffer later.
(bury-buffer gnus-Article-buffer)))
(defun gnus-Subject-post-reply-with-original ()
"Post a reply article with original article."
(interactive)
(gnus-Subject-post-reply t))
(defun gnus-Subject-cancel-article ()
"Cancel an article you posted."
(interactive)
(gnus-Subject-select-article t nil)
(gnus-eval-in-buffer-window gnus-Article-buffer
(gnus-cancel-news)))
;;; Post a News using NNTP
;;;###autoload
(fset 'sendnews 'gnus-post-news)
;;;###autoload
(fset 'postnews 'gnus-post-news)
;;;###autoload
(defun gnus-post-news ()
"Begin editing a new USENET news article to be posted.
Type \\[describe-mode] once editing the article to get a list of commands."
(interactive)
(if (or (not gnus-novice-user)
(y-or-n-p "Are you sure you want to post to all of USENET? "))
(let ((artbuf (current-buffer))
(newsgroups ;Default newsgroup.
(if (eq major-mode 'gnus-Article-mode) gnus-newsgroup-name))
(subject nil)
(distribution nil))
(save-restriction
(and (not (zerop (buffer-size)))
;;(equal major-mode 'news-mode)
(equal major-mode 'gnus-Article-mode)
(progn
;;(news-show-all-headers)
(gnus-Article-show-all-headers)
(narrow-to-region (point-min)
(progn (goto-char (point-min))
(search-forward "\n\n")
(point)))))
(setq news-reply-yank-from (mail-fetch-field "from"))
(setq news-reply-yank-message-id (mail-fetch-field "message-id")))
(pop-to-buffer gnus-post-news-buffer)
(news-reply-mode)
(gnus-overload-functions)
(if (and (buffer-modified-p)
(> (buffer-size) 0)
(not (y-or-n-p "Unsent article being composed; erase it? ")))
;; Continue composition.
;; Make news-reply-yank-original work on the current article.
(setq mail-reply-buffer artbuf)
(erase-buffer)
(if gnus-interactive-post
;; Newsgroups, subject and distribution are asked for.
;; Suggested by yuki@flab.fujitsu.junet.
(progn
;; Subscribed newsgroup names are required for
;; completing read of newsgroup.
(or gnus-newsrc-assoc
(gnus-read-newsrc-file))
;; Which do you like? (UMERIN)
;; (setq newsgroups (read-string "Newsgroups: " "general"))
(or newsgroups ;Use the default newsgroup.
(setq newsgroups
(completing-read "Newsgroup: " gnus-newsrc-assoc
nil 'require-match
newsgroups ;Default newsgroup.
)))
(setq subject (read-string "Subject: "))
(setq distribution
(substring newsgroups 0 (string-match "\\." newsgroups)))
(if (string-equal distribution newsgroups)
;; Newsgroup may be general or control. In this
;; case, use default distribution.
(setq distribution gnus-default-distribution))
(setq distribution
(read-string "Distribution: " distribution))
;; An empty string is ok to ignore gnus-default-distribution.
;;(if (string-equal distribution "")
;; (setq distribution nil))
))
(news-setup () subject () newsgroups artbuf)
;; Make sure the article is posted by GNUS.
;;(mail-position-on-field "Posting-Software")
;;(insert "GNUS: NNTP-based News Reader for GNU Emacs")
;; Insert Distribution: field.
;; Suggested by ichikawa@flab.fujitsu.junet.
(mail-position-on-field "Distribution")
(insert (or distribution gnus-default-distribution ""))
;; Handle author copy using FCC field.
(if gnus-author-copy
(progn
(mail-position-on-field "FCC")
(insert gnus-author-copy)))
(if gnus-interactive-post
;; All fields are filled in.
(goto-char (point-max))
;; Move point to Newsgroup: field.
(goto-char (point-min))
(end-of-line))
))
(message "")))
(defun gnus-news-reply (&optional yank)
"Compose and post a reply (aka a followup) to the current article on USENET.
While composing the followup, use \\[news-reply-yank-original] to yank the
original message into it."
(interactive)
(if (or (not gnus-novice-user)
(y-or-n-p "Are you sure you want to followup to all of USENET? "))
(let (from cc subject date to followup-to newsgroups message-of
references distribution message-id
(artbuf (current-buffer)))
(save-restriction
(and (not (zerop (buffer-size)))
;;(equal major-mode 'news-mode)
(equal major-mode 'gnus-Article-mode)
(progn
;; (news-show-all-headers)
(gnus-Article-show-all-headers)
(narrow-to-region (point-min)
(progn (goto-char (point-min))
(search-forward "\n\n")
(point)))))
(setq from (mail-fetch-field "from"))
(setq news-reply-yank-from from)
(setq subject (mail-fetch-field "subject"))
(setq date (mail-fetch-field "date"))
(setq followup-to (mail-fetch-field "followup-to"))
;; Ignore Followup-To: poster.
(if (or (null gnus-use-followup-to) ;Ignore followup-to: field.
(string-equal "" followup-to) ;Bogus header.
(string-equal "poster" followup-to))
(setq followup-to nil))
(setq newsgroups (or followup-to (mail-fetch-field "newsgroups")))
(setq references (mail-fetch-field "references"))
(setq distribution (mail-fetch-field "distribution"))
(setq message-id (mail-fetch-field "message-id"))
(setq news-reply-yank-message-id message-id))
(pop-to-buffer gnus-post-news-buffer)
(news-reply-mode)
(gnus-overload-functions)
(if (and (buffer-modified-p)
(> (buffer-size) 0)
(not (y-or-n-p "Unsent article being composed; erase it? ")))
;; Continue composition.
;; Make news-reply-yank-original work on current article.
(setq mail-reply-buffer artbuf)
(erase-buffer)
(and subject
(setq subject
(concat "Re: " (gnus-simplify-subject subject 're-only))))
(and from
(progn
(let ((stop-pos
(string-match " *at \\| *@ \\| *(\\| *<" from)))
(setq message-of
(concat
(if stop-pos (substring from 0 stop-pos) from)
"'s message of "
date)))))
(news-setup nil subject message-of newsgroups artbuf)
(if followup-to
(progn (news-reply-followup-to)
(insert followup-to)))
;; Fold long references line to follow RFC1036.
(mail-position-on-field "References")
(let ((begin (point))
(fill-column 79)
(fill-prefix "\t"))
(if references
(insert references))
(if (and references message-id)
(insert " "))
(if message-id
(insert message-id))
;; The region must end with a newline to fill the region
;; without inserting extra newline.
(fill-region-as-paragraph begin (1+ (point))))
;; Make sure the article is posted by GNUS.
;;(mail-position-on-field "Posting-Software")
;;(insert "GNUS: NNTP-based News Reader for GNU Emacs")
;; Distribution must be the same as original article.
(mail-position-on-field "Distribution")
(insert (or distribution ""))
;; Handle author copy using FCC field.
(if gnus-author-copy
(progn
(mail-position-on-field "FCC")
(insert gnus-author-copy)))
(goto-char (point-max)))
;; Yank original article automatically.
(if yank
(let ((last (point)))
(goto-char (point-max))
(news-reply-yank-original nil)
(goto-char last)))
)
(message "")))
(defun gnus-inews-news ()
"Send a news message."
(interactive)
(let* ((case-fold-search nil)
(server-running (gnus-server-opened)))
(save-excursion
;; It is possible to post a news without reading news using
;; `gnus' before.
;; Suggested by yuki@flab.fujitsu.junet.
(gnus-start-news-server) ;Use default server.
;; NNTP server must be opened before current buffer is modified.
(widen)
(goto-char (point-min))
(run-hooks 'news-inews-hook)
(goto-char (point-min))
(search-forward (concat "\n" mail-header-separator "\n"))
(replace-match "\n\n")
(goto-char (point-max))
;; require a newline at the end for inews to append .signature to
(or (= (preceding-char) ?\n)
(insert ?\n))
(message "Posting to USENET...")
;; Post to NNTP server.
(if (gnus-inews-article)
(message "Posting to USENET... done")
;; We cannot signal an error.
(ding) (message "Article rejected: %s" (gnus-status-message)))
(goto-char (point-min)) ;restore internal header separator
(search-forward "\n\n")
(replace-match (concat "\n" mail-header-separator "\n"))
(set-buffer-modified-p nil))
;; If NNTP server is opened by gnus-inews-news, close it by myself.
(or server-running
(gnus-close-server))
(and (fboundp 'bury-buffer) (bury-buffer))
;; Restore last window configuration.
(and gnus-winconf-post-news
(set-window-configuration gnus-winconf-post-news))
(setq gnus-winconf-post-news nil)
))
(defun gnus-cancel-news ()
"Cancel an article you posted."
(interactive)
(if (yes-or-no-p "Do you really want to cancel this article? ")
(let ((from nil)
(newsgroups nil)
(message-id nil)
(distribution nil))
(save-excursion
;; Get header info. from original article.
(save-restriction
(gnus-Article-show-all-headers)
(goto-char (point-min))
(search-forward "\n\n")
(narrow-to-region (point-min) (point))
(setq from (mail-fetch-field "from"))
(setq newsgroups (mail-fetch-field "newsgroups"))
(setq message-id (mail-fetch-field "message-id"))
(setq distribution (mail-fetch-field "distribution")))
;; Verify if the article is absolutely user's by comparing
;; user id with value of its From: field.
(if (not
(string-equal
(downcase (mail-strip-quoted-names from))
(downcase (mail-strip-quoted-names (gnus-inews-user-name)))))
(progn
(ding) (message "This article is not yours"))
;; Make control article.
(set-buffer (get-buffer-create " *GNUS-posting*"))
(buffer-flush-undo (current-buffer))
(erase-buffer)
(insert "Newsgroups: " newsgroups "\n"
"Subject: cancel " message-id "\n"
"Control: cancel " message-id "\n"
;; We should not use the value of
;; `gnus-default-distribution' as default value,
;; because distribution must be as same as original
;; article.
"Distribution: " (or distribution "") "\n"
)
;; Prepare article headers.
(gnus-inews-insert-headers)
(goto-char (point-max))
;; Insert empty line.
(insert "\n")
;; Send the control article to NNTP server.
(message "Canceling your article...")
(if (gnus-request-post)
(message "Canceling your article... done")
(ding) (message "Failed to cancel your article"))
(kill-buffer (current-buffer))
)))
))
;;; Lowlevel inews interface
(defun gnus-inews-article ()
"NNTP inews interface."
(let ((signature
(if gnus-signature-file
(expand-file-name gnus-signature-file nil)))
(distribution nil)
(artbuf (current-buffer))
(tmpbuf (get-buffer-create " *GNUS-posting*")))
(save-excursion
(set-buffer tmpbuf)
(buffer-flush-undo (current-buffer))
(erase-buffer)
(insert-buffer-substring artbuf)
;; Get distribution.
(save-restriction
(goto-char (point-min))
(search-forward "\n\n")
(narrow-to-region (point-min) (point))
(setq distribution (mail-fetch-field "distribution")))
(widen)
(if signature
(progn
;; Change signature file by distribution.
;; Suggested by hyoko@flab.fujitsu.junet.
(if (file-exists-p (concat signature "-" distribution))
(setq signature (concat signature "-" distribution)))
;; Insert signature.
(if (file-exists-p signature)
(progn
(goto-char (point-max))
(insert "--\n")
(insert-file-contents signature)))
))
;; Prepare article headers.
(save-restriction
(goto-char (point-min))
(search-forward "\n\n")
(narrow-to-region (point-min) (point))
(gnus-inews-insert-headers)
;; Save author copy of posted article. The article must be
;; copied before being posted because `gnus-request-post'
;; modifies the buffer.
(let ((case-fold-search t))
;; Find and handle any FCC fields.
(goto-char (point-min))
(if (re-search-forward "^FCC:" nil t)
(gnus-inews-do-fcc))))
(widen)
;; Run final inews hooks.
(run-hooks 'gnus-Inews-article-hook)
;; Post an article to NNTP server.
;; Return NIL if post failed.
(prog1
(gnus-request-post)
(kill-buffer (current-buffer)))
)))
(defun gnus-inews-do-fcc ()
"Process FCC: fields."
(let ((fcc-list nil)
(fcc-file nil)
(case-fold-search t)) ;Should ignore case.
(save-excursion
(save-restriction
(goto-char (point-min))
(while (re-search-forward "^FCC:[ \t]*" nil t)
(setq fcc-list (cons (buffer-substring (point)
(progn
(end-of-line)
(skip-chars-backward " \t")
(point)))
fcc-list))
(delete-region (match-beginning 0)
(progn (forward-line 1) (point))))
;; Process FCC operations.
(widen)
(while fcc-list
(setq fcc-file (car fcc-list))
(setq fcc-list (cdr fcc-list))
(cond ((string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" fcc-file)
(let ((program (substring fcc-file
(match-beginning 1) (match-end 1))))
;; Suggested by yuki@flab.fujitsu.junet.
;; Send article to named program.
(call-process-region (point-min) (point-max) shell-file-name
nil nil nil "-c" program)
))
(t
;; Suggested by hyoko@flab.fujitsu.junet.
;; Save article in Unix mail format by default.
(funcall (or gnus-author-copy-saver 'rmail-output) fcc-file)
))
)
))
))
(defun gnus-inews-insert-headers ()
"Prepare article headers.
Path:, From:, Subject: and Distribution: are generated.
Message-ID:, Date: and Organization: are optional."
(save-excursion
(let ((date (gnus-inews-date))
(message-id (gnus-inews-message-id))
(organization (gnus-inews-organization)))
;; Insert from the top of headers.
(goto-char (point-min))
(insert "Path: " (gnus-inews-path) "\n")
(insert "From: " (gnus-inews-user-name) "\n")
;; If there is no subject, make Subject: field.
(or (mail-fetch-field "subject")
(insert "Subject: \n"))
;; Insert random headers.
(if message-id
(insert "Message-ID: " message-id "\n"))
(if date
(insert "Date: " date "\n"))
(if organization
(let ((begin (point))
(fill-column 79)
(fill-prefix "\t"))
(insert "Organization: " organization "\n")
(fill-region-as-paragraph begin (point))))
(or (mail-fetch-field "distribution")
(insert "Distribution: \n"))
)))
(defun gnus-inews-path ()
"Return uucp path."
(let ((login-name (gnus-inews-login-name)))
(cond ((null gnus-use-generic-path)
(concat gnus-nntp-server "!" login-name))
((stringp gnus-use-generic-path)
;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com.
(concat gnus-use-generic-path "!" login-name))
(t login-name))
))
(defun gnus-inews-user-name ()
"Return user's network address as `NAME@DOMAIN (FULL NAME)'."
(let ((login-name (gnus-inews-login-name))
(full-name (gnus-inews-full-name)))
(concat login-name "@" (gnus-inews-domain-name gnus-use-generic-from)
;; User's full name.
(cond ((string-equal full-name "") "")
((string-equal full-name "&") ;Unix hack.
(concat " (" login-name ")"))
(t
(concat " (" full-name ")")))
)))
(defun gnus-inews-login-name ()
"Return user login name.
Got from the variable `gnus-user-login-name', the environment variables
USER and LOGNAME, and the function `user-login-name'."
(or gnus-user-login-name
(getenv "USER") (getenv "LOGNAME") (user-login-name)))
(defun gnus-inews-full-name ()
"Return user full name.
Got from the variable `gnus-user-full-name', the environment variable
NAME, and the function `user-full-name'."
(or gnus-user-full-name
(getenv "NAME") (user-full-name)))
(defun gnus-inews-domain-name (&optional genericfrom)
"Return user's domain name.
If optional argument GENERICFROM is a string, use it as the domain
name; if it is non-nil, strip of local host name from the domain name.
If the function `system-name' returns full internet name and the
domain is undefined, the domain name is got from it."
(let ((domain (or (if (stringp genericfrom) genericfrom)
(getenv "DOMAINNAME")
gnus-your-domain
;; Function `system-name' may return full internet name.
;; Suggested by Mike DeCorte <mrd@sun.soe.clarkson.edu>.
(if (string-match "\\." (system-name))
(substring (system-name) (match-end 0)))
(read-string "Domain name (no host): ")))
(host (or (if (string-match "\\." (system-name))
(substring (system-name) 0 (match-beginning 0)))
(system-name))))
(if (string-equal "." (substring domain 0 1))
(setq domain (substring domain 1)))
(if (null gnus-your-domain)
(setq gnus-your-domain domain))
;; Support GENERICFROM as same as standard Bnews system.
;; Suggested by ohm@kaba.junet and vixie@decwrl.dec.com.
(cond ((null genericfrom)
(concat host "." domain))
;;((stringp genericfrom) genericfrom)
(t domain))
))
(defun gnus-inews-message-id ()
"Generate unique Message-ID for user."
;; Message-ID should not contain a slash and should be terminated by
;; a number. I don't know the reason why it is so.
(concat "<" (gnus-inews-unique-id) "@" (gnus-inews-domain-name) ">"))
(defun gnus-inews-unique-id ()
"Generate unique ID from user name and current time."
(let ((date (current-time-string))
(name (gnus-inews-login-name)))
(if (string-match "^[^ ]+ \\([^ ]+\\)[ ]+\\([0-9]+\\) \\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\) [0-9][0-9]\\([0-9][0-9]\\)"
date)
(concat (upcase name) "."
(substring date (match-beginning 6) (match-end 6)) ;Year
(substring date (match-beginning 1) (match-end 1)) ;Month
(substring date (match-beginning 2) (match-end 2)) ;Day
(substring date (match-beginning 3) (match-end 3)) ;Hour
(substring date (match-beginning 4) (match-end 4)) ;Minute
(substring date (match-beginning 5) (match-end 5)) ;Second
)
(error "Cannot understand current-time-string: %s." date))
))
(defun gnus-inews-date ()
"Bnews date format string of today. Time zone is ignored."
;; Insert buggy date (time zone is ignored), but I don't worry about
;; it since inews will rewrite it.
(let ((date (current-time-string)))
(if (string-match "^[^ ]+ \\([^ ]+\\)[ ]+\\([0-9]+\\) \\([0-9:]+\\) [0-9][0-9]\\([0-9][0-9]\\)"
date)
(concat (substring date (match-beginning 2) (match-end 2)) ;Day
" "
(substring date (match-beginning 1) (match-end 1)) ;Month
" "
(substring date (match-beginning 4) (match-end 4)) ;Year
" "
(substring date (match-beginning 3) (match-end 3))) ;Time
(error "Cannot understand current-time-string: %s." date))
))
(defun gnus-inews-organization ()
"Return user's organization.
The ORGANIZATION environment variable is used if defined.
If not, the variable `gnus-your-organization' is used instead.
If the value begins with a slash, it is taken as the name of a file
containing the organization."
;; The organization must be got in this order since the ORGANIZATION
;; environment variable is intended for user specific while
;; gnus-your-organization is for machine or organization specific.
(let ((organization (or (getenv "ORGANIZATION")
gnus-your-organization
(expand-file-name "~/.organization" nil))))
(and (stringp organization)
(string-equal (substring organization 0 1) "/")
;; Get it from the user and system file.
;; Suggested by roland@wheaties.ai.mit.edu (Roland McGrath).
(let ((dist (mail-fetch-field "distribution")))
(setq organization
(cond ((file-exists-p (concat organization "-" dist))
(concat organization "-" dist))
((file-exists-p organization) organization)
((file-exists-p gnus-organization-file)
gnus-organization-file)
(t organization)))
))
(cond ((not (stringp organization)) nil)
((and (string-equal (substring organization 0 1) "/")
(file-exists-p organization))
;; If the first character is `/', assume it is the name of
;; a file containing the organization.
(save-excursion
(let ((tmpbuf (get-buffer-create " *GNUS organization*")))
(set-buffer tmpbuf)
(erase-buffer)
(insert-file-contents organization)
(prog1 (buffer-string)
(kill-buffer tmpbuf))
)))
(t organization))
))
(provide 'gnuspost)
;;; gnuspost.el ends here