mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-28 10:56:36 +00:00
99 lines
3.0 KiB
EmacsLisp
99 lines
3.0 KiB
EmacsLisp
;;; url-domsuf.el --- Say what domain names can have cookies set.
|
|
|
|
;; Copyright (C) 2012-2013 Free Software Foundation, Inc.
|
|
|
|
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
|
|
|
|
;; Keywords: comm, data, processes, hypermedia
|
|
|
|
;; 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/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;; The rules for what domains can have cookies set is defined here:
|
|
;; http://publicsuffix.org/list/
|
|
|
|
;;; Code:
|
|
|
|
(defvar url-domsuf-domains nil)
|
|
|
|
(defun url-domsuf-parse-file ()
|
|
(with-temp-buffer
|
|
(insert-file-contents
|
|
(expand-file-name "publicsuffix.txt" data-directory))
|
|
(let ((domains nil)
|
|
domain exception)
|
|
(while (not (eobp))
|
|
(when (not (looking-at "[/\n\t ]"))
|
|
;; !pref.aichi.jp means that it's allowed.
|
|
(if (not (eq (following-char) ?!))
|
|
(setq exception nil)
|
|
(setq exception t)
|
|
(forward-char 1))
|
|
(setq domain (buffer-substring (point) (line-end-position)))
|
|
(cond
|
|
((string-match "\\`\\*\\." domain)
|
|
(setq domain (substring domain 2))
|
|
(push (cons domain (1+ (length (split-string domain "[.]"))))
|
|
domains))
|
|
(exception
|
|
(push (cons domain t) domains))
|
|
(t
|
|
(push (cons domain nil) domains))))
|
|
(forward-line 1))
|
|
(setq url-domsuf-domains (nreverse domains)))))
|
|
|
|
(defun url-domsuf-cookie-allowed-p (domain)
|
|
(unless url-domsuf-domains
|
|
(url-domsuf-parse-file))
|
|
(let* ((allowedp t)
|
|
(domain-bits (split-string domain "[.]"))
|
|
(length (length domain-bits))
|
|
(upper-domain (mapconcat 'identity (cdr domain-bits) "."))
|
|
entry modifier)
|
|
(dolist (elem url-domsuf-domains)
|
|
(setq entry (car elem)
|
|
modifier (cdr elem))
|
|
(cond
|
|
;; "com"
|
|
((and (null modifier)
|
|
(string= domain entry))
|
|
(setq allowedp nil))
|
|
;; "!pref.hokkaido.jp"
|
|
((and (eq modifier t)
|
|
(string= domain entry))
|
|
(setq allowedp t))
|
|
;; "*.ar"
|
|
((and (numberp modifier)
|
|
(= length modifier)
|
|
(string= entry upper-domain))
|
|
(setq allowedp nil))))
|
|
allowedp))
|
|
|
|
;; Tests:
|
|
|
|
;; (url-domsuf-cookie-allowed-p "com") => nil
|
|
;; (url-domsuf-cookie-allowed-p "foo.bar.ar") => t
|
|
;; (url-domsuf-cookie-allowed-p "bar.ar") => nil
|
|
;; (url-domsuf-cookie-allowed-p "co.uk") => nil
|
|
;; (url-domsuf-cookie-allowed-p "foo.bar.hokkaido.jo") => t
|
|
;; (url-domsuf-cookie-allowed-p "bar.hokkaido.jp") => nil
|
|
;; (url-domsuf-cookie-allowed-p "pref.hokkaido.jp") => t
|
|
|
|
(provide 'url-domsuf)
|
|
|
|
;;; url-domsuf.el ends here
|