mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-24 07:20:37 +00:00
83 lines
2.6 KiB
EmacsLisp
83 lines
2.6 KiB
EmacsLisp
;;; url-proxy.el --- Proxy server support
|
|
|
|
;; Copyright (C) 1999, 2004, 2005, 2006, 2007 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 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, Inc., 51 Franklin Street, Fifth Floor,
|
|
;; Boston, MA 02110-1301, USA.
|
|
|
|
;;; Code:
|
|
|
|
(require 'url-parse)
|
|
(autoload 'url-warn "url")
|
|
|
|
(defun url-default-find-proxy-for-url (urlobj host)
|
|
(cond
|
|
((or (and (assoc "no_proxy" url-proxy-services)
|
|
(string-match
|
|
(cdr
|
|
(assoc "no_proxy" url-proxy-services))
|
|
host))
|
|
(equal "www" (url-type urlobj)))
|
|
"DIRECT")
|
|
((cdr (assoc (url-type urlobj) url-proxy-services))
|
|
(concat "PROXY " (cdr (assoc (url-type urlobj) url-proxy-services))))
|
|
;;
|
|
;; Should check for socks
|
|
;;
|
|
(t
|
|
"DIRECT")))
|
|
|
|
(defvar url-proxy-locator 'url-default-find-proxy-for-url)
|
|
|
|
(defun url-find-proxy-for-url (url host)
|
|
(let ((proxies (split-string (funcall url-proxy-locator url host) " *; *"))
|
|
(proxy nil)
|
|
(case-fold-search t))
|
|
;; Not sure how I should handle gracefully degrading from one proxy to
|
|
;; another, so for now just deal with the first one
|
|
;; (while proxies
|
|
(if (listp proxies)
|
|
(setq proxy (car proxies))
|
|
(setq proxy proxies))
|
|
(cond
|
|
((string-match "^direct" proxy) nil)
|
|
((string-match "^proxy +" proxy)
|
|
(concat "http://" (substring proxy (match-end 0)) "/"))
|
|
((string-match "^socks +" proxy)
|
|
(concat "socks://" (substring proxy (match-end 0))))
|
|
(t
|
|
(url-warn 'url (format "Unknown proxy directive: %s" proxy) 'critical)
|
|
nil))))
|
|
|
|
(defun url-proxy (url callback &optional cbargs)
|
|
;; Retrieve URL from a proxy.
|
|
;; Expects `url-using-proxy' to be bound to the specific proxy to use."
|
|
(setq url-using-proxy (url-generic-parse-url url-using-proxy))
|
|
|
|
(cond
|
|
((string= (url-type url-using-proxy) "http")
|
|
(url-http url callback cbargs))
|
|
(t
|
|
(error "Don't know how to use proxy `%s'" url-using-proxy))))
|
|
|
|
(provide 'url-proxy)
|
|
|
|
;;; arch-tag: 4ff8882e-e498-42b7-abc5-acb449cdbc62
|
|
;;; url-proxy.el ends here
|