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e13509468b
* lisp/url/url-about.el (url-probe-protocols): Remove "rlogin". * lisp/url/url-gw.el (url-gateway-rlogin-host) (url-gateway-rlogin-user-name, url-gateway-rlogin-parameters) (url-open-rlogin): Make obsolete. (Bug#56891) (url-open-stream): * lisp/url/url-misc.el (url-do-terminal-emulator): Warn when using "rlogin". (url-rlogin): Make obsolete. * lisp/url/url-vars.el (url-gateway-method): Remove "rlogin" choice. * lisp/url/url-gw.el (url-gw-rlogin-obsolete-warned-once) * lisp/url/url-misc.el (url-misc-rlogin-obsolete-warned-once): New variables, immediately marked obsolete. * doc/misc/url.texi (telnet/tn3270): Rename section from "rlogin/telnet/tn3270". (Gateways in general, Customization): Don't mention "rlogin" method.
122 lines
3.8 KiB
EmacsLisp
122 lines
3.8 KiB
EmacsLisp
;;; url-misc.el --- Misc Uniform Resource Locator retrieval code -*- lexical-binding: t; -*-
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;; Copyright (C) 1996-1999, 2002, 2004-2022 Free Software Foundation,
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;; Inc.
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;; Keywords: comm, data, processes
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;; This file is part of GNU Emacs.
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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 3 of the License, or
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;; (at your option) any later version.
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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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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'url-vars)
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(require 'url-parse)
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(declare-function mm-disable-multibyte "mm-util" ())
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(autoload 'Info-goto-node "info" "" t)
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(autoload 'man "man" nil t)
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;;;###autoload
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(defun url-man (url)
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"Fetch a Unix manual page URL."
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(man (url-filename url))
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nil)
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;;;###autoload
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(defun url-info (url)
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"Fetch a GNU Info URL."
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;; Fetch an info node
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(let* ((fname (url-filename url))
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(node (url-unhex-string (or (url-target url) "Top"))))
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(if (and fname node)
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(Info-goto-node (concat "(" fname ")" node))
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(error "Malformed url: %s" (url-recreate-url url)))
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nil))
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(defvar url-misc-rlogin-obsolete-warned-once nil)
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(make-obsolete-variable url-misc-rlogin-obsolete-warned-once nil "29.1")
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(defun url-do-terminal-emulator (type server port user)
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(switch-to-buffer
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(apply
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'make-term
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(format "%s%s" (if user (concat user "@") "") server)
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(cond ((eq type 'rlogin) "rlogin")
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((eq type 'telnet) "telnet")
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((eq type 'tn3270) "tn3270")
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(t (error "Unknown terminal emulator required: %s" type)))
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nil
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(cond ((eq type 'rlogin)
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(unless url-misc-rlogin-obsolete-warned-once
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(lwarn 'url :error "Method `rlogin' is obsolete")
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(setq url-misc-rlogin-obsolete-warned-once t))
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(if user (list server "-l" user) (list server)))
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((eq type 'telnet)
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(if port (list server port) (list server)))
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((eq type 'tn3270)
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(list server))))))
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;;;###autoload
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(defun url-generic-emulator-loader (url)
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(let* ((type (intern (downcase (url-type url))))
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(server (url-host url))
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(name (url-user url))
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(port (number-to-string (url-port url))))
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(url-do-terminal-emulator type server port name))
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nil)
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;;;###autoload
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(define-obsolete-function-alias 'url-rlogin #'url-generic-emulator-loader "29.1")
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;;;###autoload
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(defalias 'url-telnet 'url-generic-emulator-loader)
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;;;###autoload
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(defalias 'url-tn3270 'url-generic-emulator-loader)
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;; RFC 2397
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;;;###autoload
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(defun url-data (url)
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"Fetch a data URL (RFC 2397)."
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(let ((mediatype nil)
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;; The mediatype may need to be hex-encoded too -- see the RFC.
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(desc (url-unhex-string (url-filename url)))
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(encoding "8bit")
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(data nil))
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(save-excursion
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(if (not (string-match "\\([^,]*\\)," desc))
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(error "Malformed data URL: %s" desc)
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(setq mediatype (match-string 1 desc)
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data (url-unhex-string (substring desc (match-end 0))))
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(if (and mediatype (string-match ";base64\\'" mediatype))
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(setq mediatype (substring mediatype 0 (match-beginning 0))
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encoding "base64"))
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(if (or (null mediatype)
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(eq ?\; (aref mediatype 0)))
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(setq mediatype (concat "text/plain" mediatype))))
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(set-buffer (generate-new-buffer " *url-data*"))
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(require 'mm-util)
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(mm-disable-multibyte)
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(insert (format "Content-Length: %d\n" (length data))
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"Content-Type: " mediatype "\n"
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"Content-Transfer-Encoding: " encoding "\n"
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"\n")
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(if data (insert data))
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(current-buffer))))
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(provide 'url-misc)
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;;; url-misc.el ends here
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