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 (defgroup riece-rdcc nil
27 "DCC implementation using ruby"
31 (defcustom riece-rdcc-server-address nil
32 "Local address of the DCC server.
33 Only used for sending files."
37 (defcustom riece-rdcc-ruby-command "ruby"
38 "Command name for Ruby interpreter."
42 (defcustom riece-rdcc-send-program
47 sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
48 address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')
50 server = TCPServer.new(address, 0)
51 puts(\"#{server.addr[3].split(/\\./).collect{|c| c.to_i}.pack('CCCC').unpack('N')[0]} #{server.addr[1]}\")
52 session = server.accept
55 File.open(" file ") {|file|
56 while (bytes = file.read(4096))
65 "Ruby program to send file with DCC."
69 (defcustom riece-rdcc-decode-address-program
71 puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
72 address " >> 8 & 0xFF}.#{" address " & 0xFF}\")")
73 "Ruby program to numeric IP address."
77 (defvar riece-rdcc-requests nil)
79 (defvar riece-rdcc-request-user nil)
80 (defvar riece-rdcc-request-file nil)
81 (defvar riece-rdcc-request-size nil)
83 (defun riece-rdcc-substitute-variables (program variable value)
84 (setq program (copy-sequence program))
85 (let ((pointer program))
87 (setq pointer (memq variable program))
89 (setcar pointer value)))
92 (defun riece-rdcc-server-filter (process input)
94 (set-buffer (process-buffer process))
95 (goto-char (point-max))
97 (goto-char (point-min))
98 (while (and (not (eobp))
99 (looking-at "\\([0-9]+\\)\n"))
100 (message "Sending %s...(%s/%d)"
101 riece-rdcc-request-file
102 (match-string 1) riece-rdcc-request-size)
105 (delete-region (point-min) (point)))))
107 (defun riece-rdcc-server-sentinel (process status)
108 (with-current-buffer (process-buffer process)
109 (message "Sending %s...done" riece-rdcc-request-file))
110 (kill-buffer (process-buffer process))
111 (delete-process process))
113 (defun riece-command-dcc-send (user file)
115 (let ((completion-ignore-case t))
116 (list (completing-read
118 (mapcar #'list (riece-get-users-on-server)))
119 (expand-file-name (read-file-name "File: ")))))
121 (start-process "DCC" " *DCC*" "ruby" "-rsocket")))
122 (process-send-string process
124 (riece-rdcc-substitute-variables
125 (riece-rdcc-substitute-variables
126 riece-rdcc-send-program
128 (if riece-rdcc-server-address
129 (concat "'" riece-rdcc-server-address
133 (concat "'" file "'"))))
134 (process-send-eof process)
136 (set-buffer (process-buffer process))
137 (while (and (eq (process-status process) 'run)
139 (goto-char (point-min))
140 (not (looking-at "\\([0-9]+\\) \\([0-9]+\\)"))))
141 (accept-process-output))
142 (if (eq (process-status process) 'run)
143 (let ((address (match-string 1))
144 (port (match-string 2)))
146 (make-local-variable 'riece-rdcc-request-size)
147 (setq riece-rdcc-request-file file
148 riece-rdcc-request-size (nth 7 (file-attributes file)))
149 (set-buffer-modified-p nil)
150 (set-process-filter process #'riece-rdcc-server-filter)
151 (set-process-sentinel process #'riece-rdcc-server-sentinel)
153 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
154 user (file-name-nondirectory file)
156 riece-rdcc-request-size)))))))
158 (defun riece-rdcc-filter (process input)
160 (set-buffer (process-buffer process))
161 (goto-char (point-max))
163 (message "Receiving %s from %s...(%d/%d)"
164 (file-name-nondirectory buffer-file-name)
165 riece-rdcc-request-user
167 riece-rdcc-request-size)))
169 (defun riece-rdcc-sentinel (process status)
171 (set-buffer (process-buffer process))
172 (unless (= (buffer-size) riece-rdcc-request-size)
173 (error "Premature end of file"))
174 (message "Receiving %s from %s...done"
175 (file-name-nondirectory buffer-file-name)
176 riece-rdcc-request-user)
177 (let ((coding-system-for-write 'binary))
180 (defun riece-rdcc-decode-address (address)
182 (call-process riece-rdcc-ruby-command nil t nil "-e"
184 (riece-rdcc-substitute-variables
185 riece-rdcc-decode-address-program
188 (buffer-substring (point-min) (1- (point-max)))))
190 (defun riece-command-dcc-receive (request file)
193 (unless riece-rdcc-requests
194 (error "No request"))
196 (if (= (length riece-rdcc-requests) 1)
197 (car riece-rdcc-requests)
198 (with-output-to-temp-buffer "*Help*"
199 (let ((requests riece-rdcc-requests)
202 (princ (format "%2d: %s %s (%d bytes)\n"
205 (nth 1 (car requests))
206 (nth 4 (car requests))))
207 (setq index (1+ index)
208 requests (cdr requests)))))
209 (let ((number (read-string "Request#: ")))
210 (unless (string-match "^[0-9]+$" number)
211 (error "Not a number"))
212 (if (or (> (setq number (string-to-number number))
213 (length riece-rdcc-requests))
215 (error "Invalid number"))
216 (nth (1- number) riece-rdcc-requests)))
217 (expand-file-name (read-file-name "Save as: ")))))
218 (let* (selective-display
219 (coding-system-for-read 'binary)
220 (coding-system-for-write 'binary)
221 (process (open-network-stream
223 (riece-rdcc-decode-address (nth 2 request))
225 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
226 (with-current-buffer (process-buffer process)
227 (set-buffer-multibyte nil)
228 (buffer-disable-undo)
229 (setq buffer-file-name file)
230 (make-local-variable 'riece-rdcc-request-user)
231 (setq riece-rdcc-request-user (car request))
232 (make-local-variable 'riece-rdcc-request-size)
233 (setq riece-rdcc-request-size (nth 4 request)))
234 (set-process-filter process #'riece-rdcc-filter)
235 (set-process-sentinel process #'riece-rdcc-sentinel)))
237 (defun riece-handle-dcc-request (prefix target message)
238 (let ((case-fold-search t))
240 "SEND \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
242 (let ((file (match-string 1 message))
243 (address (match-string 2 message))
244 (port (string-to-number (match-string 3 message)))
245 (size (string-to-number (match-string 4 message)))
246 (buffer (if (riece-channel-p target)
247 (cdr (riece-identity-assoc-no-server
248 (riece-make-identity target)
249 riece-channel-buffer-alist))))
250 (user (riece-prefix-nickname prefix)))
251 (setq riece-rdcc-requests
252 (cons (list user file address port size)
253 riece-rdcc-requests))
254 (riece-insert-change buffer (format "DCC SEND from %s\n" user))
256 (if (and riece-channel-buffer-mode
257 (not (eq buffer riece-channel-buffer)))
258 (list riece-dialogue-buffer riece-others-buffer)
259 riece-dialogue-buffer)
261 (riece-concat-server-name
262 (format "DCC SEND from %s (%s) to %s"
264 (riece-strip-user-at-host
265 (riece-prefix-user-at-host prefix))
270 (defun riece-rdcc-requires ()
273 (defvar riece-dialogue-mode-map)
274 (defun riece-rdcc-insinuate ()
275 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request)
276 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
277 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
279 (provide 'riece-rdcc)
281 ;;; riece-rdcc.el ends here