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 (defvar riece-rdcc-requests nil)
85 (defvar riece-rdcc-request-user nil)
86 (defvar riece-rdcc-request-file nil)
87 (defvar riece-rdcc-request-size nil)
89 (defvar jka-compr-compression-info-list)
90 (defvar jam-zcat-filename-list)
91 (defun riece-rdcc-substitute-variables (program variable value)
92 (setq program (copy-sequence program))
93 (let ((pointer program))
95 (setq pointer (memq variable program))
97 (setcar pointer value)))
100 (defun riece-rdcc-server-filter (process input)
102 (set-buffer (process-buffer process))
103 (goto-char (point-max))
105 (goto-char (point-min))
106 (while (and (not (eobp))
107 (looking-at "\\([0-9]+\\)\n"))
108 (message "Sending %s...(%s/%d)"
109 riece-rdcc-request-file
110 (match-string 1) riece-rdcc-request-size)
113 (delete-region (point-min) (point)))))
115 (defun riece-rdcc-server-sentinel (process status)
116 (with-current-buffer (process-buffer process)
117 (message "Sending %s...done" riece-rdcc-request-file))
118 (kill-buffer (process-buffer process))
119 (delete-process process))
121 (defun riece-command-dcc-send (user file)
123 (let ((completion-ignore-case t))
124 (list (completing-read
126 (mapcar #'list (riece-get-users-on-server)))
127 (expand-file-name (read-file-name "File: ")))))
129 (start-process "DCC" (generate-new-buffer " *DCC*")
131 (process-send-string process
133 (riece-rdcc-substitute-variables
134 (riece-rdcc-substitute-variables
135 riece-rdcc-send-program
137 (if riece-rdcc-server-address
138 (concat "'" riece-rdcc-server-address
142 (concat "'" file "'"))))
143 (process-send-eof process)
145 (set-buffer (process-buffer process))
146 (while (and (eq (process-status process) 'run)
148 (goto-char (point-min))
149 (not (looking-at "\\([0-9]+\\) \\([0-9]+\\)"))))
150 (accept-process-output))
151 (if (eq (process-status process) 'run)
152 (let ((address (match-string 1))
153 (port (match-string 2)))
155 (make-local-variable 'riece-rdcc-request-size)
156 (setq riece-rdcc-request-file file
157 riece-rdcc-request-size (nth 7 (file-attributes file)))
158 (set-buffer-modified-p nil)
159 (set-process-filter process #'riece-rdcc-server-filter)
160 (set-process-sentinel process #'riece-rdcc-server-sentinel)
162 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
163 user (file-name-nondirectory file)
165 riece-rdcc-request-size)))))))
167 (defun riece-rdcc-filter (process input)
169 (set-buffer (process-buffer process))
170 (goto-char (point-max))
172 (message "Receiving %s from %s...(%d/%d)"
173 (file-name-nondirectory riece-rdcc-request-file)
174 riece-rdcc-request-user
176 riece-rdcc-request-size)))
178 (defun riece-rdcc-sentinel (process status)
180 (set-buffer (process-buffer process))
181 (unless (= (buffer-size) riece-rdcc-request-size)
182 (error "Premature end of file"))
183 (message "Receiving %s from %s...done"
184 (file-name-nondirectory riece-rdcc-request-file)
185 riece-rdcc-request-user)
186 (let ((coding-system-for-write 'binary)
187 jka-compr-compression-info-list jam-zcat-filename-list)
188 (write-region (point-min) (point-max) riece-rdcc-request-file)))
189 (kill-buffer (process-buffer process))
190 (delete-process process))
192 (defun riece-rdcc-decode-address (address)
194 (call-process riece-rdcc-ruby-command nil t nil "-e"
196 (riece-rdcc-substitute-variables
197 riece-rdcc-decode-address-program
200 (buffer-substring (point-min) (1- (point-max)))))
202 (defun riece-command-dcc-receive (request file)
205 (unless riece-rdcc-requests
206 (error "No request"))
208 (if (= (length riece-rdcc-requests) 1)
209 (car riece-rdcc-requests)
210 (with-output-to-temp-buffer "*Help*"
211 (let ((requests riece-rdcc-requests)
214 (princ (format "%2d: %s %s (%d bytes)\n"
217 (nth 1 (car requests))
218 (nth 4 (car requests))))
219 (setq index (1+ index)
220 requests (cdr requests)))))
221 (let ((number (read-string "Request#: ")))
222 (unless (string-match "^[0-9]+$" number)
223 (error "Not a number"))
224 (if (or (> (setq number (string-to-number number))
225 (length riece-rdcc-requests))
227 (error "Invalid number"))
228 (nth (1- number) riece-rdcc-requests))))
229 (default-name (expand-file-name
230 (nth 1 request) default-directory)))
234 (concat "Save as (default "
235 (file-name-nondirectory default-name) ") ")
236 (file-name-directory default-name)
238 (let* (selective-display
239 (coding-system-for-read 'binary)
240 (coding-system-for-write 'binary)
241 (process (open-network-stream
242 "DCC" (generate-new-buffer " *DCC*")
243 (riece-rdcc-decode-address (nth 2 request))
245 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
246 (with-current-buffer (process-buffer process)
247 (if (fboundp 'set-buffer-multibyte)
248 (set-buffer-multibyte nil))
249 (buffer-disable-undo)
251 (make-local-variable 'riece-rdcc-request-user)
252 (setq riece-rdcc-request-user (car request))
253 (make-local-variable 'riece-rdcc-request-file)
254 (setq riece-rdcc-request-file file)
255 (make-local-variable 'riece-rdcc-request-size)
256 (setq riece-rdcc-request-size (nth 4 request)))
257 (set-process-filter process #'riece-rdcc-filter)
258 (set-process-sentinel process #'riece-rdcc-sentinel)))
260 (defun riece-handle-dcc-request (prefix target message)
261 (let ((case-fold-search t))
263 "SEND \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
265 (let ((file (match-string 1 message))
266 (address (match-string 2 message))
267 (port (string-to-number (match-string 3 message)))
268 (size (string-to-number (match-string 4 message)))
269 (buffer (if (riece-channel-p target)
270 (cdr (riece-identity-assoc
271 (riece-make-identity target)
272 riece-channel-buffer-alist))))
273 (user (riece-prefix-nickname prefix)))
274 (setq riece-rdcc-requests
275 (cons (list user file address port size)
276 riece-rdcc-requests))
277 (riece-insert-change buffer (format "DCC SEND from %s\n" user))
279 (if (and riece-channel-buffer-mode
280 (not (eq buffer riece-channel-buffer)))
281 (list riece-dialogue-buffer riece-others-buffer)
282 riece-dialogue-buffer)
284 (riece-concat-server-name
285 (format "DCC SEND from %s (%s) to %s"
287 (riece-strip-user-at-host
288 (riece-prefix-user-at-host prefix))
293 (defun riece-rdcc-requires ()
296 (defvar riece-dialogue-mode-map)
297 (defun riece-rdcc-insinuate ()
298 (add-to-list 'riece-ctcp-additional-clientinfo "DCC" t)
299 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request)
300 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
301 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
303 (provide 'riece-rdcc)
305 ;;; riece-rdcc.el ends here