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authorKen Raeburn <raeburn@raeburn.org>2015-11-01 01:42:21 -0400
committerKen Raeburn <raeburn@raeburn.org>2015-11-01 01:42:21 -0400
commit39372e1a1032521be74575bb06f95a3898fbae30 (patch)
tree754bd242a23d2358ea116126fcb0a629947bd9ec /lisp/url/url-tramp.el
parent6a3121904d76e3b2f63007341d48c5c1af55de80 (diff)
parente11aaee266da52937a3a031cb108fe13f68958c3 (diff)
downloademacs-39372e1a1032521be74575bb06f95a3898fbae30.tar.gz
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+;;; url-tramp.el --- file-name-handler magic invoking Tramp for some protocols
+
+;; Copyright (C) 2014-2015 Free Software Foundation, Inc.
+
+;; Author: Michael Albinus <michael.albinus@gmx.de>
+;; 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/>.
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'url-parse)
+(require 'tramp)
+(require 'password-cache)
+
+;;;###autoload
+(defcustom url-tramp-protocols '("ftp" "ssh" "scp" "rsync" "telnet")
+ "List of URL protocols the work is handled by Tramp.
+They must also be covered by `url-handler-regexp'."
+ :group 'url
+ :version "25.1"
+ :type '(list string))
+
+(defun url-tramp-convert-url-to-tramp (url)
+ "Convert URL to a Tramp file name."
+ (let ((obj (url-generic-parse-url (and (stringp url) url))))
+ (if (member (url-type obj) url-tramp-protocols)
+ (progn
+ (if (url-password obj)
+ (password-cache-add
+ (tramp-make-tramp-file-name
+ (url-type obj) (url-user obj) (url-host obj) "")
+ (url-password obj))
+ (tramp-make-tramp-file-name
+ (url-type obj) (url-user obj) (url-host obj) (url-filename obj))))
+ url)))
+
+(defun url-tramp-convert-tramp-to-url (file)
+ "Convert FILE, a Tramp file name, to a URL."
+ (let ((obj (ignore-errors (tramp-dissect-file-name file))))
+ (if (member (tramp-file-name-method obj) url-tramp-protocols)
+ (url-recreate-url
+ (url-parse-make-urlobj
+ (tramp-file-name-method obj)
+ (tramp-file-name-user obj)
+ nil ; password.
+ (tramp-file-name-host obj)
+ nil ; port.
+ (tramp-file-name-localname obj)
+ nil nil t)) ; target attributes fullness.
+ file)))
+
+;;;###autoload
+(defun url-tramp-file-handler (operation &rest args)
+ "Function called from the `file-name-handler-alist' routines.
+OPERATION is what needs to be done. ARGS are the arguments that
+would have been passed to OPERATION."
+ (let ((default-directory (url-tramp-convert-url-to-tramp default-directory))
+ (args (mapcar 'url-tramp-convert-url-to-tramp args)))
+ (url-tramp-convert-tramp-to-url (apply operation args))))
+
+(provide 'url-tramp)
+
+;;; url-tramp.el ends here