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with-proxy.el
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with-proxy.el
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;;; with-proxy.el --- Evaluate expressions with proxy -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Gong Qijian <gongqijian@gmail.com>
;; Author: Gong Qijian <gongqijian@gmail.com>
;; Created: 2019/02/25
;; Version: 0.1.0
;; Package-Requires: ((emacs "24.4"))
;; URL: https://github.com/twlz0ne/with-proxy.el
;; Keywords: comm
;; This program 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.
;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Evaluate expressions with proxy
;;
;; ,---
;; | (with-proxy
;; | ...)
;; |
;; | ;; equals to:
;; | (with-proxy
;; | :http-server "127.0.0.1:1081"
;; | :no-proxy '("localhost" "127.0.0.1" "192.168.*" "10.*")
;; | ...)
;; |
;; | ;; equals to:
;; | (with-proxy-url
;; | :http-server "127.0.0.1:1081"
;; | :no-proxy '("localhost" "127.0.0.1" "192.168.*" "10.*")
;; | (with-proxy-shell
;; | :http-server "127.0.0.1:1081"
;; | ...))
;; `---
;;
;; See README for more information.
;;; Change Log:
;; 0.1.0 2019/02/25 Initial version.
;;; Code:
(require 'cl-lib)
(defvar with-proxy-http-server "127.0.0.1:1081")
(defvar with-proxy-no-proxy '("localhost"
"127.0.0.1"
"192.168.*"
"10.*"))
(defun with-proxy--cl-args-body (args)
"Remove key-value pair from ARGS."
(let ((it args))
(catch 'break
(while t
(if (keywordp (car it))
(setq it (cddr it))
(throw 'break it))))))
(cl-defmacro with-proxy-url (&rest body &key http-server no-proxy &allow-other-keys)
"Execute BODY with only url proxy.
If HTTP-SERVER is nil, use `with-proxy-http-server' as default.
If NO-PROXY is nil, use `with-proxy-no-proxy' as default."
(declare (indent 0) (debug t))
(let ((http-server1 (or http-server with-proxy-http-server))
(no-proxy1 (or no-proxy with-proxy-no-proxy))
(body1 (with-proxy--cl-args-body body)))
`(with-temp-buffer
(let ((url-proxy-services
'(("http" . ,http-server1)
("https" . ,http-server1)
("ftp" . ,http-server1)
("no_proxy" . ,(concat "^\\(" (mapconcat #'identity no-proxy1 "\\|") "\\)")))))
,@body1))))
(cl-defmacro with-proxy-shell (&rest body &key http-server &allow-other-keys)
"Execute BODY with only shell proxy.
If HTTP-SERVER is nil, use `with-proxy-http-server' as default."
(declare (indent 0) (debug t))
(let ((http-server1 (or http-server with-proxy-http-server))
(body1 (with-proxy--cl-args-body body)))
`(with-temp-buffer
(let ((process-environment (cl-copy-list process-environment)))
(setenv "http_proxy" ,http-server1)
(setenv "https_proxy" ,http-server1)
,@body1))))
(cl-defmacro with-proxy (&rest body &key http-server no-proxy &allow-other-keys)
"Execute BODY with both url and shell proxy.
If HTTP-SERVER is nil, use `with-proxy-http-server' as default.
If NO-PROXY is nil, use `with-proxy-no-proxy' as default."
(declare (indent defun) (debug t))
`(with-proxy-url :http-server ,http-server :no-proxy ,no-proxy
(with-proxy-shell :http-server ,http-server
,@body)))
(provide 'with-proxy)
;;; with-proxy.el ends here