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(" block-size "))
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 (defcustom riece-rdcc-block-size 4096
90 "Number of bytes sent as a block."
94 (defvar riece-rdcc-requests nil)
96 (defvar riece-rdcc-request-user nil)
97 (defvar riece-rdcc-request-file nil)
98 (defvar riece-rdcc-request-size nil)
100 (defvar riece-rdcc-temp-file nil)
101 (defvar riece-rdcc-received-size nil)
103 (defvar temporary-file-directory)
104 (defvar jka-compr-compression-info-list)
105 (defvar jam-zcat-filename-list)
106 (defun riece-rdcc-substitute-variables (program variable value)
107 (setq program (copy-sequence program))
108 (let ((pointer program))
110 (setq pointer (memq variable program))
112 (setcar pointer value)))
115 (defun riece-rdcc-server-filter (process input)
117 (set-buffer (process-buffer process))
118 (goto-char (point-max))
120 (goto-char (point-min))
121 (while (and (not (eobp))
122 (looking-at "\\([0-9]+\\)\n"))
123 (message "Sending %s...(%s/%d)"
124 riece-rdcc-request-file
125 (match-string 1) riece-rdcc-request-size)
128 (delete-region (point-min) (point)))))
130 (defun riece-rdcc-server-sentinel (process status)
131 (with-current-buffer (process-buffer process)
132 (message "Sending %s...done" riece-rdcc-request-file))
133 (kill-buffer (process-buffer process)))
135 (defun riece-command-dcc-send (user file)
137 (let ((completion-ignore-case t))
138 (list (riece-completing-read-identity
140 (riece-get-users-on-server (riece-current-server-name)))
141 (expand-file-name (read-file-name "File: ")))))
142 (let* ((process-connection-type nil)
143 (process (start-process "DCC" (generate-new-buffer " *DCC*")
145 (process-send-string process
147 (riece-rdcc-substitute-variables
148 (riece-rdcc-substitute-variables
149 (riece-rdcc-substitute-variables
150 riece-rdcc-send-program
152 (if riece-rdcc-server-address
153 (concat "'" riece-rdcc-server-address
157 (concat "'" file "'"))
159 (number-to-string riece-rdcc-block-size))))
160 (process-send-eof process)
162 (set-buffer (process-buffer process))
163 (while (and (eq (process-status process) 'run)
165 (goto-char (point-min))
166 (not (looking-at "\\([0-9]+\\) \\([0-9]+\\)"))))
167 (accept-process-output process))
168 (if (eq (process-status process) 'run)
169 (let ((address (match-string 1))
170 (port (match-string 2)))
172 (make-local-variable 'riece-rdcc-request-size)
173 (setq riece-rdcc-request-file file
174 riece-rdcc-request-size (nth 7 (file-attributes file)))
175 (set-buffer-modified-p nil)
176 (set-process-filter process #'riece-rdcc-server-filter)
177 (set-process-sentinel process #'riece-rdcc-server-sentinel)
179 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
180 (riece-identity-prefix user)
181 (file-name-nondirectory file)
183 riece-rdcc-request-size)))))))
185 (defun riece-rdcc-filter (process input)
187 (set-buffer (process-buffer process))
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-temp-file t 0))
193 (message "Receiving %s from %s...(%s/%s)"
194 (file-name-nondirectory riece-rdcc-request-file)
195 riece-rdcc-request-user
196 (riece-rdcc-format-size
197 (setq riece-rdcc-received-size (+ (buffer-size)
198 riece-rdcc-received-size)))
199 (riece-rdcc-format-size riece-rdcc-request-size))))
201 (defun riece-rdcc-sentinel (process status)
203 (set-buffer (process-buffer process))
204 (unless (= riece-rdcc-received-size riece-rdcc-request-size)
205 (error "Premature end of file"))
206 (message "Receiving %s from %s...done"
207 (file-name-nondirectory riece-rdcc-request-file)
208 riece-rdcc-request-user)
211 (rename-file riece-rdcc-temp-file riece-rdcc-request-file)
212 (delete-directory (file-name-directory riece-rdcc-temp-file)))
214 (error "Can't save %s. Temporarily saved in %s"
215 riece-rdcc-request-file riece-rdcc-temp-file))))
216 (kill-buffer (process-buffer process)))
218 (defun riece-rdcc-decode-address (address)
220 (call-process riece-rdcc-ruby-command nil t nil "-e"
222 (riece-rdcc-substitute-variables
223 riece-rdcc-decode-address-program
226 (buffer-substring (point-min) (1- (point-max)))))
228 (defun riece-command-dcc-receive (request file)
231 (unless riece-rdcc-requests
232 (error "No request"))
234 (if (= (length riece-rdcc-requests) 1)
235 (car riece-rdcc-requests)
236 (with-output-to-temp-buffer "*Help*"
237 (let ((requests riece-rdcc-requests)
240 (princ (format "%2d: %s %s (%d bytes)\n"
243 (nth 1 (car requests))
244 (nth 4 (car requests))))
245 (setq index (1+ index)
246 requests (cdr requests)))))
247 (let ((number (read-string "Request#: ")))
248 (unless (string-match "^[0-9]+$" number)
249 (error "Not a number"))
250 (if (or (> (setq number (string-to-number number))
251 (length riece-rdcc-requests))
253 (error "Invalid number"))
254 (nth (1- number) riece-rdcc-requests))))
255 (default-name (expand-file-name
256 (nth 1 request) (or riece-rdcc-save-directory
257 default-directory))))
261 (concat "Save as (default "
262 (file-name-nondirectory default-name) ") ")
263 (file-name-directory default-name)
265 (let* ((temp-file (expand-file-name
266 (file-name-nondirectory file)
267 (expand-file-name (make-temp-name "riece-rdcc")
268 (if (featurep 'xemacs)
270 temporary-file-directory))))
271 (orig-mode (default-file-modes))
273 (coding-system-for-read 'binary)
274 (coding-system-for-write 'binary)
278 (set-default-file-modes 448)
279 ;; This may throw an error.
280 (make-directory (file-name-directory temp-file)))
281 (set-default-file-modes orig-mode))
282 (setq process (open-network-stream
283 "DCC" (generate-new-buffer " *DCC*")
284 (riece-rdcc-decode-address (nth 2 request))
286 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
287 (with-current-buffer (process-buffer process)
288 (if (fboundp 'set-buffer-multibyte)
289 (set-buffer-multibyte nil))
290 (buffer-disable-undo)
292 (make-local-variable 'riece-rdcc-request-user)
293 (setq riece-rdcc-request-user (car request))
294 (make-local-variable 'riece-rdcc-request-file)
295 (setq riece-rdcc-request-file file)
296 (make-local-variable 'riece-rdcc-request-size)
297 (setq riece-rdcc-request-size (nth 4 request))
298 (make-local-variable 'riece-rdcc-temp-file)
299 (setq riece-rdcc-temp-file temp-file)
300 (make-local-variable 'riece-rdcc-received-size)
301 (setq riece-rdcc-received-size 0))
302 (set-process-filter process #'riece-rdcc-filter)
303 (set-process-sentinel process #'riece-rdcc-sentinel)))
305 (defun riece-rdcc-format-size (size)
307 (format "%0.1f" size)
308 (setq size (/ size 1024.0))
310 (format "%0.1fKB" size)
311 (setq size (/ size 1024.0))
313 (format "%0.1fMB" size)
314 (format "%0.1fGB" (/ size 1024.0))))))
316 (defun riece-handle-dcc-request (prefix target message)
317 (let ((case-fold-search t))
319 "SEND \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
321 (let ((file (match-string 1 message))
322 (address (match-string 2 message))
323 (port (string-to-number (match-string 3 message)))
324 (size (string-to-number (match-string 4 message)))
325 (buffer (if (riece-channel-p target)
326 (riece-channel-buffer (riece-make-identity
327 target riece-server-name))))
328 (user (riece-prefix-nickname prefix)))
329 (setq riece-rdcc-requests
330 (cons (list user file address port size)
331 riece-rdcc-requests))
333 (with-current-buffer (window-buffer (selected-window))
334 (substitute-command-keys
336 "Type \\[riece-command-dcc-receive] to receive"
338 (riece-insert-change buffer (format "DCC SEND from %s: %s (%s)\n"
340 (riece-rdcc-format-size size)))
342 (if (and riece-channel-buffer-mode
343 (not (eq buffer riece-channel-buffer)))
344 (list riece-dialogue-buffer riece-others-buffer)
345 riece-dialogue-buffer)
347 (riece-concat-server-name
348 (format "DCC SEND from %s (%s) to %s: %s (%s)"
350 (riece-strip-user-at-host
351 (riece-prefix-user-at-host prefix))
352 (riece-decode-coding-string target)
354 (riece-rdcc-format-size size)))
358 (defun riece-rdcc-requires ()
361 (defvar riece-dialogue-mode-map)
362 (defun riece-rdcc-insinuate ()
363 (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
364 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request)
365 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
366 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
368 (provide 'riece-rdcc)
370 ;;; riece-rdcc.el ends here