emacs/lisp/url/url-privacy.el

;;; url-privacy.el --- Global history tracking for URL package

;; Copyright (C) 1996-1999, 2004-2015 Free Software Foundation, Inc.

;; 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/>.

;;; Code:

(require 'url-vars)

(defun url-device-type (&optional device)
  (if (fboundp 'device-type)
      (device-type device)              ; XEmacs
    (or window-system 'tty)))

;;;###autoload
(defun url-setup-privacy-info ()
  "Setup variables that expose info about you and your system."
  (interactive)
  (setq url-system-type
	(cond
	 ((or (eq url-privacy-level 'paranoid)
	      (and (listp url-privacy-level)
		   (memq 'os url-privacy-level)))
	  nil)
	 ;; First, we handle the inseparable OS/Windowing system
	 ;; combinations
	 ((eq system-type 'windows-nt) "Windows-NT; 32bit")
	 ((eq system-type 'ms-dos) "MS-DOS; 32bit")
	 ((memq (url-device-type) '(win32 w32)) "Windows; 32bit")
	 ((eq (url-device-type) 'pm) "OS/2; 32bit")
	 (t
	  (pcase (url-device-type)
	    (`x "X11")
	    (`ns "OpenStep")
	    (`tty "TTY")
	    (_ nil)))))

  (setq url-personal-mail-address (or url-personal-mail-address
				      user-mail-address
				      (format "%s@%s"  (user-real-login-name)
					      (system-name))))

  (if (or (memq url-privacy-level '(paranoid high))
	  (and (listp url-privacy-level)
	       (memq 'email url-privacy-level)))
      (setq url-personal-mail-address nil))

  (setq url-os-type
	(cond
	 ((or (eq url-privacy-level 'paranoid)
	      (and (listp url-privacy-level)
		   (memq 'os url-privacy-level)))
	  nil)
	 ((boundp 'system-configuration) system-configuration)
	 ((boundp 'system-type) (symbol-name system-type))
	 (t nil))))

(provide 'url-privacy)

;;; url-privacy.el ends here