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]}\")
59 session = server.accept
62 File.open(" file ") {|file|
63 while (bytes = file.read(4096))
72 "Ruby program to send file with DCC."
76 (defcustom riece-rdcc-decode-address-program
78 puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
79 address " >> 8 & 0xFF}.#{" address " & 0xFF}\")")
80 "Ruby program to numeric IP address."
84 (defcustom riece-rdcc-save-directory nil
85 "Default directory where received files are saved in."
89 (defvar riece-rdcc-requests nil)
91 (defvar riece-rdcc-request-user nil)
92 (defvar riece-rdcc-request-file nil)
93 (defvar riece-rdcc-request-size nil)
95 (defvar jka-compr-compression-info-list)
96 (defvar jam-zcat-filename-list)
97 (defun riece-rdcc-substitute-variables (program variable value)
98 (setq program (copy-sequence program))
99 (let ((pointer program))
101 (setq pointer (memq variable program))
103 (setcar pointer value)))
106 (defun riece-rdcc-server-filter (process input)
108 (set-buffer (process-buffer process))
109 (goto-char (point-max))
111 (goto-char (point-min))
112 (while (and (not (eobp))
113 (looking-at "\\([0-9]+\\)\n"))
114 (message "Sending %s...(%s/%d)"
115 riece-rdcc-request-file
116 (match-string 1) riece-rdcc-request-size)
119 (delete-region (point-min) (point)))))
121 (defun riece-rdcc-server-sentinel (process status)
122 (with-current-buffer (process-buffer process)
123 (message "Sending %s...done" riece-rdcc-request-file))
124 (kill-buffer (process-buffer process)))
126 (defun riece-command-dcc-send (user file)
128 (let ((completion-ignore-case t))
129 (list (riece-completing-read-identity
131 (riece-get-users-on-server (riece-current-server-name)))
132 (expand-file-name (read-file-name "File: ")))))
133 (let* ((process-connection-type nil)
134 (process (start-process "DCC" (generate-new-buffer " *DCC*")
136 (process-send-string process
138 (riece-rdcc-substitute-variables
139 (riece-rdcc-substitute-variables
140 riece-rdcc-send-program
142 (if riece-rdcc-server-address
143 (concat "'" riece-rdcc-server-address
147 (concat "'" file "'"))))
148 (process-send-eof process)
150 (set-buffer (process-buffer process))
151 (while (and (eq (process-status process) 'run)
153 (goto-char (point-min))
154 (not (looking-at "\\([0-9]+\\) \\([0-9]+\\)"))))
155 (accept-process-output process))
156 (if (eq (process-status process) 'run)
157 (let ((address (match-string 1))
158 (port (match-string 2)))
160 (make-local-variable 'riece-rdcc-request-size)
161 (setq riece-rdcc-request-file file
162 riece-rdcc-request-size (nth 7 (file-attributes file)))
163 (set-buffer-modified-p nil)
164 (set-process-filter process #'riece-rdcc-server-filter)
165 (set-process-sentinel process #'riece-rdcc-server-sentinel)
167 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
168 (riece-identity-prefix user)
169 (file-name-nondirectory file)
171 riece-rdcc-request-size)))))))
173 (defun riece-rdcc-filter (process input)
175 (set-buffer (process-buffer process))
176 (goto-char (point-max))
178 (message "Receiving %s from %s...(%d/%d)"
179 (file-name-nondirectory riece-rdcc-request-file)
180 riece-rdcc-request-user
182 riece-rdcc-request-size)))
184 (defun riece-rdcc-sentinel (process status)
186 (set-buffer (process-buffer process))
187 (unless (= (buffer-size) riece-rdcc-request-size)
188 (error "Premature end of file"))
189 (message "Receiving %s from %s...done"
190 (file-name-nondirectory riece-rdcc-request-file)
191 riece-rdcc-request-user)
192 (let ((coding-system-for-write 'binary)
193 jka-compr-compression-info-list jam-zcat-filename-list)
194 (write-region (point-min) (point-max) riece-rdcc-request-file)))
195 (kill-buffer (process-buffer process)))
197 (defun riece-rdcc-decode-address (address)
199 (call-process riece-rdcc-ruby-command nil t nil "-e"
201 (riece-rdcc-substitute-variables
202 riece-rdcc-decode-address-program
205 (buffer-substring (point-min) (1- (point-max)))))
207 (defun riece-command-dcc-receive (request file)
210 (unless riece-rdcc-requests
211 (error "No request"))
213 (if (= (length riece-rdcc-requests) 1)
214 (car riece-rdcc-requests)
215 (with-output-to-temp-buffer "*Help*"
216 (let ((requests riece-rdcc-requests)
219 (princ (format "%2d: %s %s (%d bytes)\n"
222 (nth 1 (car requests))
223 (nth 4 (car requests))))
224 (setq index (1+ index)
225 requests (cdr requests)))))
226 (let ((number (read-string "Request#: ")))
227 (unless (string-match "^[0-9]+$" number)
228 (error "Not a number"))
229 (if (or (> (setq number (string-to-number number))
230 (length riece-rdcc-requests))
232 (error "Invalid number"))
233 (nth (1- number) riece-rdcc-requests))))
234 (default-name (expand-file-name
235 (nth 1 request) (or riece-rdcc-save-directory
236 default-directory))))
240 (concat "Save as (default "
241 (file-name-nondirectory default-name) ") ")
242 (file-name-directory default-name)
244 (let* (selective-display
245 (coding-system-for-read 'binary)
246 (coding-system-for-write 'binary)
247 (process (open-network-stream
248 "DCC" (generate-new-buffer " *DCC*")
249 (riece-rdcc-decode-address (nth 2 request))
251 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
252 (with-current-buffer (process-buffer process)
253 (if (fboundp 'set-buffer-multibyte)
254 (set-buffer-multibyte nil))
255 (buffer-disable-undo)
257 (make-local-variable 'riece-rdcc-request-user)
258 (setq riece-rdcc-request-user (car request))
259 (make-local-variable 'riece-rdcc-request-file)
260 (setq riece-rdcc-request-file file)
261 (make-local-variable 'riece-rdcc-request-size)
262 (setq riece-rdcc-request-size (nth 4 request)))
263 (set-process-filter process #'riece-rdcc-filter)
264 (set-process-sentinel process #'riece-rdcc-sentinel)))
266 (defun riece-rdcc-format-size (size)
268 (format "%0.1f" size)
269 (setq size (/ size 1024.0))
271 (format "%0.1fKB" size)
272 (setq size (/ size 1024.0))
274 (format "%0.1fMB" size)
275 (format "%0.1fGB" (/ size 1024.0))))))
277 (defun riece-handle-dcc-request (prefix target message)
278 (let ((case-fold-search t))
280 "SEND \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
282 (let ((file (match-string 1 message))
283 (address (match-string 2 message))
284 (port (string-to-number (match-string 3 message)))
285 (size (string-to-number (match-string 4 message)))
286 (buffer (if (riece-channel-p target)
287 (riece-channel-buffer (riece-make-identity
288 target riece-server-name))))
289 (user (riece-prefix-nickname prefix)))
290 (setq riece-rdcc-requests
291 (cons (list user file address port size)
292 riece-rdcc-requests))
294 (with-current-buffer (window-buffer (selected-window))
295 (substitute-command-keys
297 "Type \\[riece-command-dcc-receive] to receive"
299 (riece-insert-change buffer (format "DCC SEND from %s: %s (%s)\n"
301 (riece-rdcc-format-size size)))
303 (if (and riece-channel-buffer-mode
304 (not (eq buffer riece-channel-buffer)))
305 (list riece-dialogue-buffer riece-others-buffer)
306 riece-dialogue-buffer)
308 (riece-concat-server-name
309 (format "DCC SEND from %s (%s) to %s: %s (%s)"
311 (riece-strip-user-at-host
312 (riece-prefix-user-at-host prefix))
313 (riece-decode-coding-string target)
315 (riece-rdcc-format-size size)))
319 (defun riece-rdcc-requires ()
322 (defvar riece-dialogue-mode-map)
323 (defun riece-rdcc-insinuate ()
324 (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
325 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request)
326 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
327 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
329 (provide 'riece-rdcc)
331 ;;; riece-rdcc.el ends here