1 ;;; riece-rdcc.el --- ruby implementation of DCC add-on
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
5 ;; Keywords: IRC, riece
7 ;; This file is part of Riece.
9 ;; This program is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; This program is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
26 (require 'riece-globals)
28 (require 'riece-channel)
29 (require 'riece-identity)
31 (defgroup riece-rdcc nil
32 "DCC implementation using ruby"
36 (defcustom riece-rdcc-server-address nil
37 "Local address of the DCC server.
38 Only used for sending files."
42 (defcustom riece-rdcc-ruby-command "ruby"
43 "Command name for Ruby interpreter."
47 (defcustom riece-rdcc-send-program
52 sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
53 address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')
55 server = TCPServer.new(address, 0)
56 puts(\"#{server.addr[3].split(/\\./).collect{|c| c.to_i}.pack('CCCC').unpack('N')[0]} #{server.addr[1]}\")
57 session = server.accept
60 File.open(" file ") {|file|
61 while (bytes = file.read(4096))
70 "Ruby program to send file with DCC."
74 (defcustom riece-rdcc-decode-address-program
76 puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
77 address " >> 8 & 0xFF}.#{" address " & 0xFF}\")")
78 "Ruby program to numeric IP address."
82 (defvar riece-rdcc-requests nil)
84 (defvar riece-rdcc-request-user nil)
85 (defvar riece-rdcc-request-file nil)
86 (defvar riece-rdcc-request-size nil)
88 (defun riece-rdcc-substitute-variables (program variable value)
89 (setq program (copy-sequence program))
90 (let ((pointer program))
92 (setq pointer (memq variable program))
94 (setcar pointer value)))
97 (defun riece-rdcc-server-filter (process input)
99 (set-buffer (process-buffer process))
100 (goto-char (point-max))
102 (goto-char (point-min))
103 (while (and (not (eobp))
104 (looking-at "\\([0-9]+\\)\n"))
105 (message "Sending %s...(%s/%d)"
106 riece-rdcc-request-file
107 (match-string 1) riece-rdcc-request-size)
110 (delete-region (point-min) (point)))))
112 (defun riece-rdcc-server-sentinel (process status)
113 (with-current-buffer (process-buffer process)
114 (message "Sending %s...done" riece-rdcc-request-file))
115 (kill-buffer (process-buffer process))
116 (delete-process process))
118 (defun riece-command-dcc-send (user file)
120 (let ((completion-ignore-case t))
121 (list (completing-read
123 (mapcar #'list (riece-get-users-on-server)))
124 (expand-file-name (read-file-name "File: ")))))
126 (start-process "DCC" " *DCC*" "ruby" "-rsocket")))
127 (process-send-string process
129 (riece-rdcc-substitute-variables
130 (riece-rdcc-substitute-variables
131 riece-rdcc-send-program
133 (if riece-rdcc-server-address
134 (concat "'" riece-rdcc-server-address
138 (concat "'" file "'"))))
139 (process-send-eof process)
141 (set-buffer (process-buffer process))
142 (while (and (eq (process-status process) 'run)
144 (goto-char (point-min))
145 (not (looking-at "\\([0-9]+\\) \\([0-9]+\\)"))))
146 (accept-process-output))
147 (if (eq (process-status process) 'run)
148 (let ((address (match-string 1))
149 (port (match-string 2)))
151 (make-local-variable 'riece-rdcc-request-size)
152 (setq riece-rdcc-request-file file
153 riece-rdcc-request-size (nth 7 (file-attributes file)))
154 (set-buffer-modified-p nil)
155 (set-process-filter process #'riece-rdcc-server-filter)
156 (set-process-sentinel process #'riece-rdcc-server-sentinel)
158 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
159 user (file-name-nondirectory file)
161 riece-rdcc-request-size)))))))
163 (defun riece-rdcc-filter (process input)
165 (set-buffer (process-buffer process))
166 (goto-char (point-max))
168 (message "Receiving %s from %s...(%d/%d)"
169 (file-name-nondirectory buffer-file-name)
170 riece-rdcc-request-user
172 riece-rdcc-request-size)))
174 (defun riece-rdcc-sentinel (process status)
176 (set-buffer (process-buffer process))
177 (unless (= (buffer-size) riece-rdcc-request-size)
178 (error "Premature end of file"))
179 (message "Receiving %s from %s...done"
180 (file-name-nondirectory buffer-file-name)
181 riece-rdcc-request-user)
182 (let ((coding-system-for-write 'binary))
185 (defun riece-rdcc-decode-address (address)
187 (call-process riece-rdcc-ruby-command nil t nil "-e"
189 (riece-rdcc-substitute-variables
190 riece-rdcc-decode-address-program
193 (buffer-substring (point-min) (1- (point-max)))))
195 (defun riece-command-dcc-receive (request file)
198 (unless riece-rdcc-requests
199 (error "No request"))
201 (if (= (length riece-rdcc-requests) 1)
202 (car riece-rdcc-requests)
203 (with-output-to-temp-buffer "*Help*"
204 (let ((requests riece-rdcc-requests)
207 (princ (format "%2d: %s %s (%d bytes)\n"
210 (nth 1 (car requests))
211 (nth 4 (car requests))))
212 (setq index (1+ index)
213 requests (cdr requests)))))
214 (let ((number (read-string "Request#: ")))
215 (unless (string-match "^[0-9]+$" number)
216 (error "Not a number"))
217 (if (or (> (setq number (string-to-number number))
218 (length riece-rdcc-requests))
220 (error "Invalid number"))
221 (nth (1- number) riece-rdcc-requests)))
222 (expand-file-name (read-file-name "Save as: ")))))
223 (let* (selective-display
224 (coding-system-for-read 'binary)
225 (coding-system-for-write 'binary)
226 (process (open-network-stream
228 (riece-rdcc-decode-address (nth 2 request))
230 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
231 (with-current-buffer (process-buffer process)
232 (if (fboundp 'set-buffer-multibyte)
233 (set-buffer-multibyte nil))
234 (buffer-disable-undo)
235 (setq buffer-file-name file)
236 (make-local-variable 'riece-rdcc-request-user)
237 (setq riece-rdcc-request-user (car request))
238 (make-local-variable 'riece-rdcc-request-size)
239 (setq riece-rdcc-request-size (nth 4 request)))
240 (set-process-filter process #'riece-rdcc-filter)
241 (set-process-sentinel process #'riece-rdcc-sentinel)))
243 (defun riece-handle-dcc-request (prefix target message)
244 (let ((case-fold-search t))
246 "SEND \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
248 (let ((file (match-string 1 message))
249 (address (match-string 2 message))
250 (port (string-to-number (match-string 3 message)))
251 (size (string-to-number (match-string 4 message)))
252 (buffer (if (riece-channel-p target)
253 (cdr (riece-identity-assoc-no-server
254 (riece-make-identity target)
255 riece-channel-buffer-alist))))
256 (user (riece-prefix-nickname prefix)))
257 (setq riece-rdcc-requests
258 (cons (list user file address port size)
259 riece-rdcc-requests))
260 (riece-insert-change buffer (format "DCC SEND from %s\n" user))
262 (if (and riece-channel-buffer-mode
263 (not (eq buffer riece-channel-buffer)))
264 (list riece-dialogue-buffer riece-others-buffer)
265 riece-dialogue-buffer)
267 (riece-concat-server-name
268 (format "DCC SEND from %s (%s) to %s"
270 (riece-strip-user-at-host
271 (riece-prefix-user-at-host prefix))
276 (defun riece-rdcc-requires ()
279 (defvar riece-dialogue-mode-map)
280 (defun riece-rdcc-insinuate ()
281 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request)
282 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
283 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
285 (provide 'riece-rdcc)
287 ;;; riece-rdcc.el ends here