1 ;;; riece-rdcc.el --- DCC file sending protocol support (written in Ruby)
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 ;; NOTE: This is an add-on module for Riece.
30 (require 'riece-globals)
32 (require 'riece-channel)
33 (require 'riece-identity)
34 (require 'riece-ctcp) ;for riece-ctcp-additional-clientinfo
37 (defgroup riece-rdcc nil
38 "DCC written in Ruby."
42 (defcustom riece-rdcc-server-address nil
43 "Local address of the DCC server.
44 Only used for sending files."
48 (defcustom riece-rdcc-send-program
54 sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
55 address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')
57 server = TCPServer.new(address, 0)
58 output(\"#{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 "))
69 end until buf.unpack('N')[0] == total
75 "Ruby program to send file with DCC."
79 (defcustom riece-rdcc-decode-address-program
80 '("\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
81 address " >> 8 & 0xFF}.#{" address " & 0xFF}\"")
82 "Ruby program to numeric IP address."
86 (defcustom riece-rdcc-save-directory nil
87 "Default directory where received files are saved in."
91 (defcustom riece-rdcc-block-size 1024
92 "Number of bytes sent as a block."
96 (defvar riece-rdcc-requests nil)
98 (defvar riece-rdcc-request-user nil)
99 (defvar riece-rdcc-request-file nil)
100 (defvar riece-rdcc-request-size nil)
102 (defvar riece-rdcc-temp-file nil)
103 (defvar riece-rdcc-received-size nil)
105 (defvar riece-rdcc-enabled nil)
107 (defconst riece-rdcc-description
108 "DCC file sending protocol support (written in Ruby.)")
110 (defvar temporary-file-directory)
111 (defvar jka-compr-compression-info-list)
112 (defvar jam-zcat-filename-list)
114 (defun riece-rdcc-output-handler (name output time)
115 (if (string-match "\\([0-9]+\\) \\([0-9]+\\)" output)
116 (let ((address (match-string 1 output))
117 (port (match-string 2 output)))
119 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
120 (riece-identity-prefix
121 (riece-ruby-property name 'riece-rdcc-request-user))
122 (file-name-nondirectory
123 (riece-ruby-property name 'riece-rdcc-request-file))
125 (riece-ruby-property name 'riece-rdcc-request-size)))))
126 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler-2))
128 (defun riece-rdcc-output-handler-2 (name output time)
129 (message "Sending %s...(%s/%d)"
130 (riece-ruby-property name 'riece-rdcc-request-file)
131 (string-to-number output)
132 (riece-ruby-property name 'riece-rdcc-request-size)))
134 (defun riece-rdcc-exit-handler (name)
135 (message "Sending %s...done"
136 (riece-ruby-property name 'riece-rdcc-request-file)))
138 (defun riece-command-dcc-send (user file)
140 (let ((completion-ignore-case t))
141 (list (riece-completing-read-identity
143 (riece-get-users-on-server (riece-current-server-name)))
144 (expand-file-name (read-file-name "File: ")))))
145 (let ((name (riece-ruby-execute
146 (riece-ruby-substitute-variables
147 riece-rdcc-send-program
149 (if riece-rdcc-server-address
150 (concat "'" riece-rdcc-server-address
154 (concat "'" file "'"))
157 riece-rdcc-block-size)))))))
158 (riece-ruby-set-property name 'riece-rdcc-request-user user)
159 (riece-ruby-set-property name 'riece-rdcc-request-file file)
160 (riece-ruby-set-property name 'riece-rdcc-request-size
161 (nth 7 (file-attributes file)))
162 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler)
163 (riece-ruby-set-exit-handler name #'riece-rdcc-exit-handler)))
165 (defun riece-rdcc-filter (process input)
167 (set-buffer (process-buffer process))
170 (let ((coding-system-for-write 'binary)
171 jka-compr-compression-info-list jam-zcat-filename-list)
172 (write-region (point-min) (point-max) riece-rdcc-temp-file t 0))
173 (setq riece-rdcc-received-size (+ (buffer-size) riece-rdcc-received-size))
177 (lsh riece-rdcc-received-size -24)
178 (logand (lsh riece-rdcc-received-size -16) 255)
179 (logand (lsh riece-rdcc-received-size -8) 255)
180 (logand riece-rdcc-received-size 255)))
181 (message "Receiving %s from %s...(%s/%s)"
182 (file-name-nondirectory riece-rdcc-request-file)
183 riece-rdcc-request-user
184 (riece-rdcc-format-size riece-rdcc-received-size)
185 (riece-rdcc-format-size riece-rdcc-request-size))
186 (if (= riece-rdcc-received-size riece-rdcc-request-size)
187 (set-process-filter process nil))))
189 (defun riece-rdcc-sentinel (process status)
191 (set-buffer (process-buffer process))
192 (unless (= riece-rdcc-received-size riece-rdcc-request-size)
193 (error "Premature end of file"))
194 (message "Receiving %s from %s...done"
195 (file-name-nondirectory riece-rdcc-request-file)
196 riece-rdcc-request-user)
199 (rename-file riece-rdcc-temp-file riece-rdcc-request-file)
200 (delete-directory (file-name-directory riece-rdcc-temp-file)))
202 (error "Can't save %s. Temporarily saved in %s"
203 riece-rdcc-request-file riece-rdcc-temp-file))))
204 (kill-buffer (process-buffer process)))
206 (defun riece-rdcc-decode-address (address)
207 (let ((name (riece-ruby-execute
208 (riece-ruby-substitute-variables
209 riece-rdcc-decode-address-program
210 (list (cons 'address address)))))
212 (while (equal (nth 2 (setq response (riece-ruby-inspect name))) "running")
213 (accept-process-output riece-ruby-process))
214 (riece-ruby-clear name)
217 (defun riece-command-dcc-receive (request file)
220 (unless riece-rdcc-requests
221 (error "No request"))
223 (if (= (length riece-rdcc-requests) 1)
224 (car riece-rdcc-requests)
225 (with-output-to-temp-buffer "*Help*"
226 (let ((requests riece-rdcc-requests)
229 (princ (format "%2d: %s %s (%d bytes)\n"
232 (nth 1 (car requests))
233 (nth 4 (car requests))))
234 (setq index (1+ index)
235 requests (cdr requests)))))
236 (let ((number (read-string "Request#: ")))
237 (unless (string-match "^[0-9]+$" number)
238 (error "Not a number"))
239 (if (or (> (setq number (string-to-number number))
240 (length riece-rdcc-requests))
242 (error "Invalid number"))
243 (nth (1- number) riece-rdcc-requests))))
244 (default-name (expand-file-name
245 (convert-standard-filename (nth 1 request))
246 (or riece-rdcc-save-directory
247 default-directory))))
251 (concat "Save as (default "
252 (file-name-nondirectory default-name) ") ")
253 (file-name-directory default-name)
255 (let* ((temp-file (expand-file-name
256 (file-name-nondirectory file)
257 (expand-file-name (make-temp-name "riece-rdcc")
258 (if (featurep 'xemacs)
260 temporary-file-directory))))
261 (orig-mode (default-file-modes))
263 (coding-system-for-read 'binary)
264 (coding-system-for-write 'binary)
268 (set-default-file-modes 448)
269 ;; This may throw an error.
270 (make-directory (file-name-directory temp-file)))
271 (set-default-file-modes orig-mode))
272 (setq process (open-network-stream
273 "DCC" (generate-new-buffer " *DCC*")
274 (riece-rdcc-decode-address (nth 2 request))
276 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
277 (with-current-buffer (process-buffer process)
278 (if (fboundp 'set-buffer-multibyte)
279 (set-buffer-multibyte nil))
280 (buffer-disable-undo)
282 (make-local-variable 'riece-rdcc-request-user)
283 (setq riece-rdcc-request-user (car request))
284 (make-local-variable 'riece-rdcc-request-file)
285 (setq riece-rdcc-request-file file)
286 (make-local-variable 'riece-rdcc-request-size)
287 (setq riece-rdcc-request-size (nth 4 request))
288 (make-local-variable 'riece-rdcc-temp-file)
289 (setq riece-rdcc-temp-file temp-file)
290 (make-local-variable 'riece-rdcc-received-size)
291 (setq riece-rdcc-received-size 0))
292 (set-process-filter process #'riece-rdcc-filter)
293 (set-process-sentinel process #'riece-rdcc-sentinel)))
295 (defun riece-rdcc-format-size (size)
297 (format "%0.1f" size)
298 (setq size (/ size 1024.0))
300 (format "%0.1fKB" size)
301 (setq size (/ size 1024.0))
303 (format "%0.1fMB" size)
304 (format "%0.1fGB" (/ size 1024.0))))))
306 (defun riece-handle-dcc-request (prefix target message)
307 (let ((case-fold-search t))
308 (when (and riece-rdcc-enabled
310 "SEND \\(\\([^ ]+\\)\\|\"\\(.+\\)\"\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
312 (let ((file (or (match-string 2 message)
313 (match-string 3 message)))
314 (address (match-string 4 message))
315 (port (string-to-number (match-string 5 message)))
316 (size (string-to-number (match-string 6 message)))
317 (buffer (if (riece-channel-p target)
318 (riece-channel-buffer (riece-make-identity
319 target riece-server-name))))
320 (user (riece-prefix-nickname prefix)))
321 (setq riece-rdcc-requests
322 (cons (list user file address port size)
323 riece-rdcc-requests))
325 (with-current-buffer (window-buffer (selected-window))
326 (substitute-command-keys
328 "Type \\[riece-command-dcc-receive] to receive"
330 (riece-insert-change buffer (format "DCC SEND from %s: %s (%s)\n"
332 (riece-rdcc-format-size size)))
334 (if (and riece-channel-buffer-mode
335 (not (eq buffer riece-channel-buffer)))
336 (list riece-dialogue-buffer riece-others-buffer)
337 riece-dialogue-buffer)
339 (riece-concat-server-name
340 (format "DCC SEND from %s (%s) to %s: %s (%s)"
342 (riece-strip-user-at-host
343 (riece-prefix-user-at-host prefix))
344 (riece-decode-coding-string target)
346 (riece-rdcc-format-size size)))
350 (defun riece-rdcc-requires ()
353 (defvar riece-dialogue-mode-map)
354 (defun riece-rdcc-insinuate ()
355 (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
356 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request))
358 (defun riece-rdcc-uninstall ()
359 (setq riece-ctcp-additional-clientinfo
360 (delete "DCC" riece-ctcp-additional-clientinfo))
361 (remove-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request))
363 (defun riece-rdcc-enable ()
364 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
365 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive)
366 (setq riece-rdcc-enabled t))
368 (defun riece-rdcc-disable ()
369 (define-key riece-dialogue-mode-map "\C-ds" nil)
370 (define-key riece-dialogue-mode-map "\C-dr" nil)
371 (setq riece-rdcc-enabled nil))
373 (provide 'riece-rdcc)
375 ;;; riece-rdcc.el ends here