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Diffstat (limited to 'lisp/url/url-proxy.el')
-rw-r--r-- | lisp/url/url-proxy.el | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/lisp/url/url-proxy.el b/lisp/url/url-proxy.el new file mode 100644 index 00000000000..b13a0545528 --- /dev/null +++ b/lisp/url/url-proxy.el @@ -0,0 +1,78 @@ +;;; url-proxy.el --- Proxy server support +;; Author: $Author: fx $ +;; Created: $Date: 2001/10/11 21:09:35 $ +;; Version: $Revision: 1.5 $ +;; Keywords: comm, data, processes, hypermedia + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;;; Copyright (c) 1999 Free Software Foundation, Inc. +;;; +;;; 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., 59 Temple Place - Suite 330, +;;; Boston, MA 02111-1307, USA. +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +(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)) + (let ((proxy-object (copy-sequence url))) + (url-set-target proxy-object nil) + (url-http url-using-proxy callback cbargs))) + +(provide 'url-proxy) |