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 riece-rdcc-enabled nil)
105 (defconst riece-rdcc-description
106 "DCC file sending extension implemented in Ruby")
108 (defvar temporary-file-directory)
109 (defvar jka-compr-compression-info-list)
110 (defvar jam-zcat-filename-list)
111 (defun riece-rdcc-substitute-variables (program variable value)
112 (setq program (copy-sequence program))
113 (let ((pointer program))
115 (setq pointer (memq variable program))
117 (setcar pointer value)))
120 (defun riece-rdcc-server-filter (process input)
122 (set-buffer (process-buffer process))
123 (goto-char (point-max))
125 (goto-char (point-min))
126 (while (and (not (eobp))
127 (looking-at "\\([0-9]+\\)\n"))
128 (message "Sending %s...(%s/%d)"
129 riece-rdcc-request-file
130 (match-string 1) riece-rdcc-request-size)
133 (delete-region (point-min) (point)))))
135 (defun riece-rdcc-server-sentinel (process status)
136 (with-current-buffer (process-buffer process)
137 (message "Sending %s...done" riece-rdcc-request-file))
138 (kill-buffer (process-buffer process)))
140 (defun riece-command-dcc-send (user file)
142 (let ((completion-ignore-case t))
143 (list (riece-completing-read-identity
145 (riece-get-users-on-server (riece-current-server-name)))
146 (expand-file-name (read-file-name "File: ")))))
147 (let* ((process-connection-type nil)
148 (process (start-process "DCC" (generate-new-buffer " *DCC*")
150 (process-send-string process
152 (riece-rdcc-substitute-variables
153 (riece-rdcc-substitute-variables
154 (riece-rdcc-substitute-variables
155 riece-rdcc-send-program
157 (if riece-rdcc-server-address
158 (concat "'" riece-rdcc-server-address
162 (concat "'" file "'"))
164 (number-to-string riece-rdcc-block-size))))
165 (process-send-eof process)
167 (set-buffer (process-buffer process))
168 (while (and (eq (process-status process) 'run)
170 (goto-char (point-min))
171 (not (looking-at "\\([0-9]+\\) \\([0-9]+\\)"))))
172 (accept-process-output process))
173 (if (eq (process-status process) 'run)
174 (let ((address (match-string 1))
175 (port (match-string 2))
176 (filename (file-name-nondirectory file)))
177 (while (string-match "[ \t]+" filename)
178 (setq filename (replace-match "_" nil nil filename)))
180 (make-local-variable 'riece-rdcc-request-size)
181 (setq riece-rdcc-request-file file
182 riece-rdcc-request-size (nth 7 (file-attributes file)))
183 (set-buffer-modified-p nil)
184 (set-process-filter process #'riece-rdcc-server-filter)
185 (set-process-sentinel process #'riece-rdcc-server-sentinel)
187 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
188 (riece-identity-prefix user)
191 riece-rdcc-request-size)))))))
193 (defun riece-rdcc-filter (process input)
195 (set-buffer (process-buffer process))
198 (let ((coding-system-for-write 'binary)
199 jka-compr-compression-info-list jam-zcat-filename-list)
200 (write-region (point-min) (point-max) riece-rdcc-temp-file t 0))
201 (message "Receiving %s from %s...(%s/%s)"
202 (file-name-nondirectory riece-rdcc-request-file)
203 riece-rdcc-request-user
204 (riece-rdcc-format-size
205 (setq riece-rdcc-received-size (+ (buffer-size)
206 riece-rdcc-received-size)))
207 (riece-rdcc-format-size riece-rdcc-request-size))))
209 (defun riece-rdcc-sentinel (process status)
211 (set-buffer (process-buffer process))
212 (unless (= riece-rdcc-received-size riece-rdcc-request-size)
213 (error "Premature end of file"))
214 (message "Receiving %s from %s...done"
215 (file-name-nondirectory riece-rdcc-request-file)
216 riece-rdcc-request-user)
219 (rename-file riece-rdcc-temp-file riece-rdcc-request-file)
220 (delete-directory (file-name-directory riece-rdcc-temp-file)))
222 (error "Can't save %s. Temporarily saved in %s"
223 riece-rdcc-request-file riece-rdcc-temp-file))))
224 (kill-buffer (process-buffer process)))
226 (defun riece-rdcc-decode-address (address)
228 (call-process riece-rdcc-ruby-command nil t nil "-e"
230 (riece-rdcc-substitute-variables
231 riece-rdcc-decode-address-program
234 (buffer-substring (point-min) (1- (point-max)))))
236 (defun riece-command-dcc-receive (request file)
239 (unless riece-rdcc-requests
240 (error "No request"))
242 (if (= (length riece-rdcc-requests) 1)
243 (car riece-rdcc-requests)
244 (with-output-to-temp-buffer "*Help*"
245 (let ((requests riece-rdcc-requests)
248 (princ (format "%2d: %s %s (%d bytes)\n"
251 (nth 1 (car requests))
252 (nth 4 (car requests))))
253 (setq index (1+ index)
254 requests (cdr requests)))))
255 (let ((number (read-string "Request#: ")))
256 (unless (string-match "^[0-9]+$" number)
257 (error "Not a number"))
258 (if (or (> (setq number (string-to-number number))
259 (length riece-rdcc-requests))
261 (error "Invalid number"))
262 (nth (1- number) riece-rdcc-requests))))
263 (default-name (expand-file-name
264 (convert-standard-filename (nth 1 request))
265 (or riece-rdcc-save-directory
266 default-directory))))
270 (concat "Save as (default "
271 (file-name-nondirectory default-name) ") ")
272 (file-name-directory default-name)
274 (let* ((temp-file (expand-file-name
275 (file-name-nondirectory file)
276 (expand-file-name (make-temp-name "riece-rdcc")
277 (if (featurep 'xemacs)
279 temporary-file-directory))))
280 (orig-mode (default-file-modes))
282 (coding-system-for-read 'binary)
283 (coding-system-for-write 'binary)
287 (set-default-file-modes 448)
288 ;; This may throw an error.
289 (make-directory (file-name-directory temp-file)))
290 (set-default-file-modes orig-mode))
291 (setq process (open-network-stream
292 "DCC" (generate-new-buffer " *DCC*")
293 (riece-rdcc-decode-address (nth 2 request))
295 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
296 (with-current-buffer (process-buffer process)
297 (if (fboundp 'set-buffer-multibyte)
298 (set-buffer-multibyte nil))
299 (buffer-disable-undo)
301 (make-local-variable 'riece-rdcc-request-user)
302 (setq riece-rdcc-request-user (car request))
303 (make-local-variable 'riece-rdcc-request-file)
304 (setq riece-rdcc-request-file file)
305 (make-local-variable 'riece-rdcc-request-size)
306 (setq riece-rdcc-request-size (nth 4 request))
307 (make-local-variable 'riece-rdcc-temp-file)
308 (setq riece-rdcc-temp-file temp-file)
309 (make-local-variable 'riece-rdcc-received-size)
310 (setq riece-rdcc-received-size 0))
311 (set-process-filter process #'riece-rdcc-filter)
312 (set-process-sentinel process #'riece-rdcc-sentinel)))
314 (defun riece-rdcc-format-size (size)
316 (format "%0.1f" size)
317 (setq size (/ size 1024.0))
319 (format "%0.1fKB" size)
320 (setq size (/ size 1024.0))
322 (format "%0.1fMB" size)
323 (format "%0.1fGB" (/ size 1024.0))))))
325 (defun riece-handle-dcc-request (prefix target message)
326 (let ((case-fold-search t))
327 (when (and riece-rdcc-enabled
329 "SEND \\(\\([^ ]+\\)\\|\"\\(.+\\)\"\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
331 (let ((file (or (match-string 2 message)
332 (match-string 3 message)))
333 (address (match-string 4 message))
334 (port (string-to-number (match-string 5 message)))
335 (size (string-to-number (match-string 6 message)))
336 (buffer (if (riece-channel-p target)
337 (riece-channel-buffer (riece-make-identity
338 target riece-server-name))))
339 (user (riece-prefix-nickname prefix)))
340 (setq riece-rdcc-requests
341 (cons (list user file address port size)
342 riece-rdcc-requests))
344 (with-current-buffer (window-buffer (selected-window))
345 (substitute-command-keys
347 "Type \\[riece-command-dcc-receive] to receive"
349 (riece-insert-change buffer (format "DCC SEND from %s: %s (%s)\n"
351 (riece-rdcc-format-size size)))
353 (if (and riece-channel-buffer-mode
354 (not (eq buffer riece-channel-buffer)))
355 (list riece-dialogue-buffer riece-others-buffer)
356 riece-dialogue-buffer)
358 (riece-concat-server-name
359 (format "DCC SEND from %s (%s) to %s: %s (%s)"
361 (riece-strip-user-at-host
362 (riece-prefix-user-at-host prefix))
363 (riece-decode-coding-string target)
365 (riece-rdcc-format-size size)))
369 (defun riece-rdcc-requires ()
372 (defvar riece-dialogue-mode-map)
373 (defun riece-rdcc-insinuate ()
374 (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
375 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request))
377 (defun riece-rdcc-enable ()
378 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
379 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive)
380 (setq riece-rdcc-enabled t))
382 (defun riece-rdcc-disable ()
383 (define-key riece-dialogue-mode-map "\C-ds" nil)
384 (define-key riece-dialogue-mode-map "\C-dr" nil)
385 (setq riece-rdcc-enabled nil))
387 (provide 'riece-rdcc)
389 ;;; riece-rdcc.el ends here