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79 lines
2.8 KiB
EmacsLisp
79 lines
2.8 KiB
EmacsLisp
;;; url-proxy.el --- Proxy server support
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;; Author: $Author: fx $
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;; Created: $Date: 2001/10/11 21:09:35 $
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;; Version: $Revision: 1.5 $
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;; Keywords: comm, data, processes, hypermedia
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; Copyright (c) 1999 Free Software Foundation, Inc.
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;;;
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;;; This file is part of GNU Emacs.
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;;;
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;;; GNU Emacs is free software; you can redistribute it and/or modify
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;;; it under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 2, or (at your option)
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;;; any later version.
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;;;
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;;; GNU Emacs is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Emacs; see the file COPYING. If not, write to the
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;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;;; Boston, MA 02111-1307, USA.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'url-parse)
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(autoload 'url-warn "url")
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(defun url-default-find-proxy-for-url (urlobj host)
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(cond
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((or (and (assoc "no_proxy" url-proxy-services)
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(string-match
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(cdr
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(assoc "no_proxy" url-proxy-services))
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host))
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(equal "www" (url-type urlobj)))
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"DIRECT")
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((cdr (assoc (url-type urlobj) url-proxy-services))
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(concat "PROXY " (cdr (assoc (url-type urlobj) url-proxy-services))))
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;;
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;; Should check for socks
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;;
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(t
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"DIRECT")))
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(defvar url-proxy-locator 'url-default-find-proxy-for-url)
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(defun url-find-proxy-for-url (url host)
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(let ((proxies (split-string (funcall url-proxy-locator url host) " *; *"))
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(proxy nil)
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(case-fold-search t))
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;; Not sure how I should handle gracefully degrading from one proxy to
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;; another, so for now just deal with the first one
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;; (while proxies
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(if (listp proxies)
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(setq proxy (car proxies))
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(setq proxy proxies))
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(cond
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((string-match "^direct" proxy) nil)
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((string-match "^proxy +" proxy)
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(concat "http://" (substring proxy (match-end 0)) "/"))
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((string-match "^socks +" proxy)
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(concat "socks://" (substring proxy (match-end 0))))
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(t
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(url-warn 'url (format "Unknown proxy directive: %s" proxy) 'critical)
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nil))))
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(defun url-proxy (url callback &optional cbargs)
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;; Retrieve URL from a proxy.
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;; Expects `url-using-proxy' to be bound to the specific proxy to use."
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(setq url-using-proxy (url-generic-parse-url url-using-proxy))
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(let ((proxy-object (copy-sequence url)))
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(url-set-target proxy-object nil)
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(url-http url-using-proxy callback cbargs)))
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(provide 'url-proxy)
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