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
33 (defgroup riece-rdcc nil
34 "DCC implementation using ruby"
38 (defcustom riece-rdcc-server-address nil
39 "Local address of the DCC server.
40 Only used for sending files."
44 (defcustom riece-rdcc-send-program
50 sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
51 address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')
53 server = TCPServer.new(address, 0)
54 output(\"#{server.addr[3].split(/\\./).collect{|c| c.to_i}.pack('CCCC').unpack('N')[0]} #{server.addr[1]}\")
55 session = server.accept
58 File.open(" file ") {|file|
59 while (bytes = file.read(" block-size "))
65 end until buf.unpack('N')[0] == total
71 "Ruby program to send file with DCC."
75 (defcustom riece-rdcc-decode-address-program
76 '("\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
77 address " >> 8 & 0xFF}.#{" address " & 0xFF}\"")
78 "Ruby program to numeric IP address."
82 (defcustom riece-rdcc-save-directory nil
83 "Default directory where received files are saved in."
87 (defcustom riece-rdcc-block-size 1024
88 "Number of bytes sent as a block."
92 (defvar riece-rdcc-requests nil)
94 (defvar riece-rdcc-request-user nil)
95 (defvar riece-rdcc-request-file nil)
96 (defvar riece-rdcc-request-size nil)
98 (defvar riece-rdcc-temp-file nil)
99 (defvar riece-rdcc-received-size nil)
101 (defvar riece-rdcc-enabled nil)
103 (defconst riece-rdcc-description
104 "DCC file sending extension implemented in Ruby")
106 (defvar temporary-file-directory)
107 (defvar jka-compr-compression-info-list)
108 (defvar jam-zcat-filename-list)
110 (defun riece-rdcc-output-handler (name output)
111 (if (string-match "\\([0-9]+\\) \\([0-9]+\\)" output)
112 (let ((address (match-string 1 output))
113 (port (match-string 2 output)))
115 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
116 (riece-identity-prefix
117 (riece-ruby-property name 'riece-rdcc-request-user))
118 (file-name-nondirectory
119 (riece-ruby-property name 'riece-rdcc-request-file))
121 (riece-ruby-property name 'riece-rdcc-request-size)))))
122 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler-2))
124 (defun riece-rdcc-output-handler-2 (name output)
125 (message "Sending %s...(%s/%d)"
126 (riece-ruby-property name 'riece-rdcc-request-file)
127 (string-to-number output)
128 (riece-ruby-property name 'riece-rdcc-request-size)))
130 (defun riece-rdcc-exit-handler (name)
131 (message "Sending %s...done"
132 (riece-ruby-property name 'riece-rdcc-request-file)))
134 (defun riece-command-dcc-send (user file)
136 (let ((completion-ignore-case t))
137 (list (riece-completing-read-identity
139 (riece-get-users-on-server (riece-current-server-name)))
140 (expand-file-name (read-file-name "File: ")))))
141 (let ((name (riece-ruby-execute
142 (riece-ruby-substitute-variables
143 riece-rdcc-send-program
145 (if riece-rdcc-server-address
146 (concat "'" riece-rdcc-server-address
150 (concat "'" file "'"))
153 riece-rdcc-block-size)))))))
154 (riece-ruby-set-property name 'riece-rdcc-request-user user)
155 (riece-ruby-set-property name 'riece-rdcc-request-file file)
156 (riece-ruby-set-property name 'riece-rdcc-request-size
157 (nth 7 (file-attributes file)))
158 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler)
159 (riece-ruby-set-exit-handler name #'riece-rdcc-exit-handler)))
161 (defun riece-rdcc-filter (process input)
163 (set-buffer (process-buffer process))
166 (let ((coding-system-for-write 'binary)
167 jka-compr-compression-info-list jam-zcat-filename-list)
168 (write-region (point-min) (point-max) riece-rdcc-temp-file t 0))
169 (setq riece-rdcc-received-size (+ (buffer-size) riece-rdcc-received-size))
173 (lsh riece-rdcc-received-size -24)
174 (logand (lsh riece-rdcc-received-size -16) 255)
175 (logand (lsh riece-rdcc-received-size -8) 255)
176 (logand riece-rdcc-received-size 255)))
177 (message "Receiving %s from %s...(%s/%s)"
178 (file-name-nondirectory riece-rdcc-request-file)
179 riece-rdcc-request-user
180 (riece-rdcc-format-size riece-rdcc-received-size)
181 (riece-rdcc-format-size riece-rdcc-request-size))
182 (if (= riece-rdcc-received-size riece-rdcc-request-size)
183 (set-process-filter process nil))))
185 (defun riece-rdcc-sentinel (process status)
187 (set-buffer (process-buffer process))
188 (unless (= riece-rdcc-received-size riece-rdcc-request-size)
189 (error "Premature end of file"))
190 (message "Receiving %s from %s...done"
191 (file-name-nondirectory riece-rdcc-request-file)
192 riece-rdcc-request-user)
195 (rename-file riece-rdcc-temp-file riece-rdcc-request-file)
196 (delete-directory (file-name-directory riece-rdcc-temp-file)))
198 (error "Can't save %s. Temporarily saved in %s"
199 riece-rdcc-request-file riece-rdcc-temp-file))))
200 (kill-buffer (process-buffer process)))
202 (defun riece-rdcc-decode-address (address)
203 (let ((name (riece-ruby-execute
204 (riece-ruby-substitute-variables
205 riece-rdcc-decode-address-program
206 (list (cons 'address address)))))
208 (while (equal (nth 2 (setq response (riece-ruby-inspect name))) "running")
209 (accept-process-output riece-ruby-process))
210 (riece-ruby-clear name)
213 (defun riece-command-dcc-receive (request file)
216 (unless riece-rdcc-requests
217 (error "No request"))
219 (if (= (length riece-rdcc-requests) 1)
220 (car riece-rdcc-requests)
221 (with-output-to-temp-buffer "*Help*"
222 (let ((requests riece-rdcc-requests)
225 (princ (format "%2d: %s %s (%d bytes)\n"
228 (nth 1 (car requests))
229 (nth 4 (car requests))))
230 (setq index (1+ index)
231 requests (cdr requests)))))
232 (let ((number (read-string "Request#: ")))
233 (unless (string-match "^[0-9]+$" number)
234 (error "Not a number"))
235 (if (or (> (setq number (string-to-number number))
236 (length riece-rdcc-requests))
238 (error "Invalid number"))
239 (nth (1- number) riece-rdcc-requests))))
240 (default-name (expand-file-name
241 (convert-standard-filename (nth 1 request))
242 (or riece-rdcc-save-directory
243 default-directory))))
247 (concat "Save as (default "
248 (file-name-nondirectory default-name) ") ")
249 (file-name-directory default-name)
251 (let* ((temp-file (expand-file-name
252 (file-name-nondirectory file)
253 (expand-file-name (make-temp-name "riece-rdcc")
254 (if (featurep 'xemacs)
256 temporary-file-directory))))
257 (orig-mode (default-file-modes))
259 (coding-system-for-read 'binary)
260 (coding-system-for-write 'binary)
264 (set-default-file-modes 448)
265 ;; This may throw an error.
266 (make-directory (file-name-directory temp-file)))
267 (set-default-file-modes orig-mode))
268 (setq process (open-network-stream
269 "DCC" (generate-new-buffer " *DCC*")
270 (riece-rdcc-decode-address (nth 2 request))
272 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
273 (with-current-buffer (process-buffer process)
274 (if (fboundp 'set-buffer-multibyte)
275 (set-buffer-multibyte nil))
276 (buffer-disable-undo)
278 (make-local-variable 'riece-rdcc-request-user)
279 (setq riece-rdcc-request-user (car request))
280 (make-local-variable 'riece-rdcc-request-file)
281 (setq riece-rdcc-request-file file)
282 (make-local-variable 'riece-rdcc-request-size)
283 (setq riece-rdcc-request-size (nth 4 request))
284 (make-local-variable 'riece-rdcc-temp-file)
285 (setq riece-rdcc-temp-file temp-file)
286 (make-local-variable 'riece-rdcc-received-size)
287 (setq riece-rdcc-received-size 0))
288 (set-process-filter process #'riece-rdcc-filter)
289 (set-process-sentinel process #'riece-rdcc-sentinel)))
291 (defun riece-rdcc-format-size (size)
293 (format "%0.1f" size)
294 (setq size (/ size 1024.0))
296 (format "%0.1fKB" size)
297 (setq size (/ size 1024.0))
299 (format "%0.1fMB" size)
300 (format "%0.1fGB" (/ size 1024.0))))))
302 (defun riece-handle-dcc-request (prefix target message)
303 (let ((case-fold-search t))
304 (when (and riece-rdcc-enabled
306 "SEND \\(\\([^ ]+\\)\\|\"\\(.+\\)\"\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
308 (let ((file (or (match-string 2 message)
309 (match-string 3 message)))
310 (address (match-string 4 message))
311 (port (string-to-number (match-string 5 message)))
312 (size (string-to-number (match-string 6 message)))
313 (buffer (if (riece-channel-p target)
314 (riece-channel-buffer (riece-make-identity
315 target riece-server-name))))
316 (user (riece-prefix-nickname prefix)))
317 (setq riece-rdcc-requests
318 (cons (list user file address port size)
319 riece-rdcc-requests))
321 (with-current-buffer (window-buffer (selected-window))
322 (substitute-command-keys
324 "Type \\[riece-command-dcc-receive] to receive"
326 (riece-insert-change buffer (format "DCC SEND from %s: %s (%s)\n"
328 (riece-rdcc-format-size size)))
330 (if (and riece-channel-buffer-mode
331 (not (eq buffer riece-channel-buffer)))
332 (list riece-dialogue-buffer riece-others-buffer)
333 riece-dialogue-buffer)
335 (riece-concat-server-name
336 (format "DCC SEND from %s (%s) to %s: %s (%s)"
338 (riece-strip-user-at-host
339 (riece-prefix-user-at-host prefix))
340 (riece-decode-coding-string target)
342 (riece-rdcc-format-size size)))
346 (defun riece-rdcc-requires ()
349 (defvar riece-dialogue-mode-map)
350 (defun riece-rdcc-insinuate ()
351 (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
352 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request))
354 (defun riece-rdcc-enable ()
355 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
356 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive)
357 (setq riece-rdcc-enabled t))
359 (defun riece-rdcc-disable ()
360 (define-key riece-dialogue-mode-map "\C-ds" nil)
361 (define-key riece-dialogue-mode-map "\C-dr" nil)
362 (setq riece-rdcc-enabled nil))
364 (provide 'riece-rdcc)
366 ;;; riece-rdcc.el ends here