1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
;;; url-news.el --- News Uniform Resource Locator retrieval code
;; Copyright (C) 1996, 1997, 1998, 1999, 2004,
;; 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
;; Keywords: comm, data, processes
;; 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'url-vars)
(require 'url-util)
(require 'url-parse)
(require 'nntp)
(autoload 'url-warn "url")
(autoload 'gnus-group-read-ephemeral-group "gnus-group")
(defgroup url-news nil
"News related options."
:group 'url)
(defun url-news-open-host (host port user pass)
(if (fboundp 'nnheader-init-server-buffer)
(nnheader-init-server-buffer))
(nntp-open-server host (list port))
(if (and user pass)
(progn
(nntp-send-command "^.*\r?\n" "AUTHINFO USER" user)
(nntp-send-command "^.*\r?\n" "AUTHINFO PASS" pass)
(if (not (nntp-server-opened host))
(url-warn 'url (format "NNTP authentication to `%s' as `%s' failed"
host user))))))
(defun url-news-fetch-message-id (host message-id)
(let ((buf (generate-new-buffer " *url-news*")))
(if (eq ?> (aref message-id (1- (length message-id))))
nil
(setq message-id (concat "<" message-id ">")))
(if (cdr-safe (nntp-request-article message-id nil host buf))
;; Successfully retrieved the article
nil
(with-current-buffer buf
(insert "Content-type: text/html\n\n"
"<html>\n"
" <head>\n"
" <title>Error</title>\n"
" </head>\n"
" <body>\n"
" <div>\n"
" <h1>Error requesting article...</h1>\n"
" <p>\n"
" The status message returned by the NNTP server was:"
"<br><hr>\n"
" <xmp>\n"
(nntp-status-message)
" </xmp>\n"
" </p>\n"
" <p>\n"
" If you If you feel this is an error, <a href=\""
"mailto:" url-bug-address "\">send mail</a>\n"
" </p>\n"
" </div>\n"
" </body>\n"
"</html>\n"
"<!-- Automatically generated by URL v" url-version " -->\n"
)))
buf))
(defvar gnus-group-buffer)
(defun url-news-fetch-newsgroup (newsgroup host)
(if (string-match "^/+" newsgroup)
(setq newsgroup (substring newsgroup (match-end 0))))
(if (string-match "/+$" newsgroup)
(setq newsgroup (substring newsgroup 0 (match-beginning 0))))
;; This saves us from checking new news if Gnus is already running
;; FIXME - is it relatively safe to use gnus-alive-p here? FIXME
(if (or (not (get-buffer gnus-group-buffer))
(with-current-buffer gnus-group-buffer
(not (eq major-mode 'gnus-group-mode))))
(gnus))
(set-buffer gnus-group-buffer)
(goto-char (point-min))
(gnus-group-read-ephemeral-group newsgroup
(list 'nntp host
(list 'nntp-open-connection-function
nntp-open-connection-function))
nil
(cons (current-buffer) 'browse)))
;;;###autoload
(defun url-news (url)
;; Find a news reference
(let* ((host (or (url-host url) url-news-server))
(port (url-port url))
(article-brackets nil)
(buf nil)
(article (url-unhex-string (url-filename url))))
(url-news-open-host host port (url-user url) (url-password url))
(cond
((string-match "@" article) ; Its a specific article
(setq buf (url-news-fetch-message-id host article)))
((string= article "") ; List all newsgroups
(gnus))
(t ; Whole newsgroup
(url-news-fetch-newsgroup article host)))
buf))
;;;###autoload
(defun url-snews (url)
(let ((nntp-open-connection-function (if (eq 'ssl url-gateway-method)
'nntp-open-ssl-stream
'nntp-open-tls-stream)))
(url-news url)))
(provide 'url-news)
;; arch-tag: 8975be13-04e8-4d38-bfff-47918e3ad311
;;; url-news.el ends here
|
