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)
30 (require 'riece-ctcp) ;for riece-ctcp-additional-clientinfo
32 (defgroup riece-rdcc nil
33 "DCC implementation using ruby"
37 (defcustom riece-rdcc-server-address nil
38 "Local address of the DCC server.
39 Only used for sending files."
43 (defcustom riece-rdcc-ruby-command "ruby"
44 "Command name for Ruby interpreter."
48 (defcustom riece-rdcc-send-program
53 sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
54 address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')
56 server = TCPServer.new(address, 0)
57 puts(\"#{server.addr[3].split(/\\./).collect{|c| c.to_i}.pack('CCCC').unpack('N')[0]} #{server.addr[1]}\")
58 session = server.accept
61 File.open(" file ") {|file|
62 while (bytes = file.read(4096))
71 "Ruby program to send file with DCC."
75 (defcustom riece-rdcc-decode-address-program
77 puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
78 address " >> 8 & 0xFF}.#{" address " & 0xFF}\")")
79 "Ruby program to numeric IP address."
83 (defcustom riece-rdcc-save-directory nil
84 "Default directory where received files are saved in."
88 (defvar riece-rdcc-requests nil)
90 (defvar riece-rdcc-request-user nil)
91 (defvar riece-rdcc-request-file nil)
92 (defvar riece-rdcc-request-size nil)
94 (defvar jka-compr-compression-info-list)
95 (defvar jam-zcat-filename-list)
96 (defun riece-rdcc-substitute-variables (program variable value)
97 (setq program (copy-sequence program))
98 (let ((pointer program))
100 (setq pointer (memq variable program))
102 (setcar pointer value)))
105 (defun riece-rdcc-server-filter (process input)
107 (set-buffer (process-buffer process))
108 (goto-char (point-max))
110 (goto-char (point-min))
111 (while (and (not (eobp))
112 (looking-at "\\([0-9]+\\)\n"))
113 (message "Sending %s...(%s/%d)"
114 riece-rdcc-request-file
115 (match-string 1) riece-rdcc-request-size)
118 (delete-region (point-min) (point)))))
120 (defun riece-rdcc-server-sentinel (process status)
121 (with-current-buffer (process-buffer process)
122 (message "Sending %s...done" riece-rdcc-request-file))
123 (kill-buffer (process-buffer process)))
125 (defun riece-command-dcc-send (user file)
127 (let ((completion-ignore-case t))
128 (list (completing-read
130 (mapcar #'list (riece-get-users-on-server)))
131 (expand-file-name (read-file-name "File: ")))))
132 (let* ((process-connection-type nil)
133 (process (start-process "DCC" (generate-new-buffer " *DCC*")
135 (process-send-string process
137 (riece-rdcc-substitute-variables
138 (riece-rdcc-substitute-variables
139 riece-rdcc-send-program
141 (if riece-rdcc-server-address
142 (concat "'" riece-rdcc-server-address
146 (concat "'" file "'"))))
147 (process-send-eof process)
149 (set-buffer (process-buffer process))
150 (while (and (eq (process-status process) 'run)
152 (goto-char (point-min))
153 (not (looking-at "\\([0-9]+\\) \\([0-9]+\\)"))))
154 (accept-process-output process))
155 (if (eq (process-status process) 'run)
156 (let ((address (match-string 1))
157 (port (match-string 2)))
159 (make-local-variable 'riece-rdcc-request-size)
160 (setq riece-rdcc-request-file file
161 riece-rdcc-request-size (nth 7 (file-attributes file)))
162 (set-buffer-modified-p nil)
163 (set-process-filter process #'riece-rdcc-server-filter)
164 (set-process-sentinel process #'riece-rdcc-server-sentinel)
166 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
167 user (file-name-nondirectory file)
169 riece-rdcc-request-size)))))))
171 (defun riece-rdcc-filter (process input)
173 (set-buffer (process-buffer process))
174 (goto-char (point-max))
176 (message "Receiving %s from %s...(%d/%d)"
177 (file-name-nondirectory riece-rdcc-request-file)
178 riece-rdcc-request-user
180 riece-rdcc-request-size)))
182 (defun riece-rdcc-sentinel (process status)
184 (set-buffer (process-buffer process))
185 (unless (= (buffer-size) riece-rdcc-request-size)
186 (error "Premature end of file"))
187 (message "Receiving %s from %s...done"
188 (file-name-nondirectory riece-rdcc-request-file)
189 riece-rdcc-request-user)
190 (let ((coding-system-for-write 'binary)
191 jka-compr-compression-info-list jam-zcat-filename-list)
192 (write-region (point-min) (point-max) riece-rdcc-request-file)))
193 (kill-buffer (process-buffer process)))
195 (defun riece-rdcc-decode-address (address)
197 (call-process riece-rdcc-ruby-command nil t nil "-e"
199 (riece-rdcc-substitute-variables
200 riece-rdcc-decode-address-program
203 (buffer-substring (point-min) (1- (point-max)))))
205 (defun riece-command-dcc-receive (request file)
208 (unless riece-rdcc-requests
209 (error "No request"))
211 (if (= (length riece-rdcc-requests) 1)
212 (car riece-rdcc-requests)
213 (with-output-to-temp-buffer "*Help*"
214 (let ((requests riece-rdcc-requests)
217 (princ (format "%2d: %s %s (%d bytes)\n"
220 (nth 1 (car requests))
221 (nth 4 (car requests))))
222 (setq index (1+ index)
223 requests (cdr requests)))))
224 (let ((number (read-string "Request#: ")))
225 (unless (string-match "^[0-9]+$" number)
226 (error "Not a number"))
227 (if (or (> (setq number (string-to-number number))
228 (length riece-rdcc-requests))
230 (error "Invalid number"))
231 (nth (1- number) riece-rdcc-requests))))
232 (default-name (expand-file-name
233 (nth 1 request) (or riece-rdcc-save-directory
234 default-directory))))
238 (concat "Save as (default "
239 (file-name-nondirectory default-name) ") ")
240 (file-name-directory default-name)
242 (let* (selective-display
243 (coding-system-for-read 'binary)
244 (coding-system-for-write 'binary)
245 (process (open-network-stream
246 "DCC" (generate-new-buffer " *DCC*")
247 (riece-rdcc-decode-address (nth 2 request))
249 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
250 (with-current-buffer (process-buffer process)
251 (if (fboundp 'set-buffer-multibyte)
252 (set-buffer-multibyte nil))
253 (buffer-disable-undo)
255 (make-local-variable 'riece-rdcc-request-user)
256 (setq riece-rdcc-request-user (car request))
257 (make-local-variable 'riece-rdcc-request-file)
258 (setq riece-rdcc-request-file file)
259 (make-local-variable 'riece-rdcc-request-size)
260 (setq riece-rdcc-request-size (nth 4 request)))
261 (set-process-filter process #'riece-rdcc-filter)
262 (set-process-sentinel process #'riece-rdcc-sentinel)))
264 (defun riece-handle-dcc-request (prefix target message)
265 (let ((case-fold-search t))
267 "SEND \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
269 (let ((file (match-string 1 message))
270 (address (match-string 2 message))
271 (port (string-to-number (match-string 3 message)))
272 (size (string-to-number (match-string 4 message)))
273 (buffer (if (riece-channel-p target)
274 (riece-channel-buffer-name
275 (riece-make-identity target riece-server-name))))
276 (user (riece-prefix-nickname prefix)))
277 (setq riece-rdcc-requests
278 (cons (list user file address port size)
279 riece-rdcc-requests))
280 (riece-insert-change buffer (format "DCC SEND from %s\n" user))
282 (if (and riece-channel-buffer-mode
283 (not (eq buffer riece-channel-buffer)))
284 (list riece-dialogue-buffer riece-others-buffer)
285 riece-dialogue-buffer)
287 (riece-concat-server-name
288 (format "DCC SEND from %s (%s) to %s"
290 (riece-strip-user-at-host
291 (riece-prefix-user-at-host prefix))
292 (riece-decode-coding-string target)))
296 (defun riece-rdcc-requires ()
299 (defvar riece-dialogue-mode-map)
300 (defun riece-rdcc-insinuate ()
301 (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
302 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request)
303 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
304 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
306 (provide 'riece-rdcc)
308 ;;; riece-rdcc.el ends here