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 (defconst riece-rdcc-description
106 "DCC file sending protocol support (written in Ruby.)")
108 (defvar temporary-file-directory)
109 (defvar jka-compr-compression-info-list)
110 (defvar jam-zcat-filename-list)
112 (defun riece-rdcc-output-handler (name output time)
113 (if (string-match "\\([0-9]+\\) \\([0-9]+\\)" output)
114 (let ((address (match-string 1 output))
115 (port (match-string 2 output)))
117 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
118 (riece-identity-prefix
119 (riece-ruby-property name 'riece-rdcc-request-user))
120 (file-name-nondirectory
121 (riece-ruby-property name 'riece-rdcc-request-file))
123 (riece-ruby-property name 'riece-rdcc-request-size)))))
124 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler-2))
126 (defun riece-rdcc-output-handler-2 (name output time)
127 (message "Sending %s...(%s/%d)"
128 (riece-ruby-property name 'riece-rdcc-request-file)
129 (string-to-number output)
130 (riece-ruby-property name 'riece-rdcc-request-size)))
132 (defun riece-rdcc-exit-handler (name)
133 (message "Sending %s...done"
134 (riece-ruby-property name 'riece-rdcc-request-file)))
136 (defun riece-command-dcc-send (user file)
138 (let ((completion-ignore-case t))
139 (list (riece-completing-read-identity
141 (riece-get-users-on-server (riece-current-server-name)))
142 (expand-file-name (read-file-name "File: ")))))
143 (let ((name (riece-ruby-execute
144 (riece-ruby-substitute-variables
145 riece-rdcc-send-program
147 (if riece-rdcc-server-address
148 (concat "'" riece-rdcc-server-address
152 (concat "'" file "'"))
155 riece-rdcc-block-size)))))))
156 (riece-ruby-set-property name 'riece-rdcc-request-user user)
157 (riece-ruby-set-property name 'riece-rdcc-request-file file)
158 (riece-ruby-set-property name 'riece-rdcc-request-size
159 (nth 7 (file-attributes file)))
160 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler)
161 (riece-ruby-set-exit-handler name #'riece-rdcc-exit-handler)))
163 (defun riece-rdcc-filter (process input)
165 (set-buffer (process-buffer process))
168 (let ((coding-system-for-write 'binary)
169 jka-compr-compression-info-list jam-zcat-filename-list)
170 (write-region (point-min) (point-max) riece-rdcc-temp-file t 0))
171 (setq riece-rdcc-received-size (+ (buffer-size) riece-rdcc-received-size))
175 (lsh riece-rdcc-received-size -24)
176 (logand (lsh riece-rdcc-received-size -16) 255)
177 (logand (lsh riece-rdcc-received-size -8) 255)
178 (logand riece-rdcc-received-size 255)))
179 (message "Receiving %s from %s...(%s/%s)"
180 (file-name-nondirectory riece-rdcc-request-file)
181 riece-rdcc-request-user
182 (riece-rdcc-format-size riece-rdcc-received-size)
183 (riece-rdcc-format-size riece-rdcc-request-size))
184 (if (= riece-rdcc-received-size riece-rdcc-request-size)
185 (set-process-filter process nil))))
187 (defun riece-rdcc-sentinel (process status)
189 (set-buffer (process-buffer process))
190 (unless (= riece-rdcc-received-size riece-rdcc-request-size)
191 (error "Premature end of file"))
192 (message "Receiving %s from %s...done"
193 (file-name-nondirectory riece-rdcc-request-file)
194 riece-rdcc-request-user)
197 (rename-file riece-rdcc-temp-file riece-rdcc-request-file)
198 (delete-directory (file-name-directory riece-rdcc-temp-file)))
200 (error "Can't save %s. Temporarily saved in %s"
201 riece-rdcc-request-file riece-rdcc-temp-file))))
202 (kill-buffer (process-buffer process)))
204 (defun riece-rdcc-decode-address (address)
205 (let ((name (riece-ruby-execute
206 (riece-ruby-substitute-variables
207 riece-rdcc-decode-address-program
208 (list (cons 'address address)))))
210 (while (equal (nth 2 (setq response (riece-ruby-inspect name))) "running")
211 (accept-process-output riece-ruby-process))
212 (riece-ruby-clear name)
215 (defun riece-command-dcc-receive (request file)
218 (unless riece-rdcc-requests
219 (error "No request"))
221 (if (= (length riece-rdcc-requests) 1)
222 (car riece-rdcc-requests)
223 (with-output-to-temp-buffer "*Help*"
224 (let ((requests riece-rdcc-requests)
227 (princ (format "%2d: %s %s (%d bytes)\n"
230 (nth 1 (car requests))
231 (nth 4 (car requests))))
232 (setq index (1+ index)
233 requests (cdr requests)))))
234 (let ((number (read-string "Request#: ")))
235 (unless (string-match "^[0-9]+$" number)
236 (error "Not a number"))
237 (if (or (> (setq number (string-to-number number))
238 (length riece-rdcc-requests))
240 (error "Invalid number"))
241 (nth (1- number) riece-rdcc-requests))))
242 (default-name (expand-file-name
243 (convert-standard-filename (nth 1 request))
244 (or riece-rdcc-save-directory
245 default-directory))))
249 (concat "Save as (default "
250 (file-name-nondirectory default-name) ") ")
251 (file-name-directory default-name)
253 (let* ((temp-file (expand-file-name
254 (file-name-nondirectory file)
255 (expand-file-name (make-temp-name "riece-rdcc")
256 (if (featurep 'xemacs)
258 temporary-file-directory))))
259 (orig-mode (default-file-modes))
261 (coding-system-for-read 'binary)
262 (coding-system-for-write 'binary)
266 (set-default-file-modes 448)
267 ;; This may throw an error.
268 (make-directory (file-name-directory temp-file)))
269 (set-default-file-modes orig-mode))
270 (setq process (open-network-stream
271 "DCC" (generate-new-buffer " *DCC*")
272 (riece-rdcc-decode-address (nth 2 request))
274 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
275 (with-current-buffer (process-buffer process)
276 (if (fboundp 'set-buffer-multibyte)
277 (set-buffer-multibyte nil))
278 (buffer-disable-undo)
280 (make-local-variable 'riece-rdcc-request-user)
281 (setq riece-rdcc-request-user (car request))
282 (make-local-variable 'riece-rdcc-request-file)
283 (setq riece-rdcc-request-file file)
284 (make-local-variable 'riece-rdcc-request-size)
285 (setq riece-rdcc-request-size (nth 4 request))
286 (make-local-variable 'riece-rdcc-temp-file)
287 (setq riece-rdcc-temp-file temp-file)
288 (make-local-variable 'riece-rdcc-received-size)
289 (setq riece-rdcc-received-size 0))
290 (set-process-filter process #'riece-rdcc-filter)
291 (set-process-sentinel process #'riece-rdcc-sentinel)))
293 (defun riece-rdcc-format-size (size)
295 (format "%0.1f" size)
296 (setq size (/ size 1024.0))
298 (format "%0.1fKB" size)
299 (setq size (/ size 1024.0))
301 (format "%0.1fMB" size)
302 (format "%0.1fGB" (/ size 1024.0))))))
304 (defun riece-handle-dcc-request (prefix target message)
305 (let ((case-fold-search t))
306 (when (and (get 'riece-rdcc 'riece-addon-enabled)
308 "SEND \\(\\([^ ]+\\)\\|\"\\(.+\\)\"\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
310 (let ((file (or (match-string 2 message)
311 (match-string 3 message)))
312 (address (match-string 4 message))
313 (port (string-to-number (match-string 5 message)))
314 (size (string-to-number (match-string 6 message)))
315 (buffer (if (riece-channel-p target)
316 (riece-channel-buffer (riece-make-identity
317 target riece-server-name))))
318 (user (riece-prefix-nickname prefix)))
319 (setq riece-rdcc-requests
320 (cons (list user file address port size)
321 riece-rdcc-requests))
323 (with-current-buffer (window-buffer (selected-window))
324 (substitute-command-keys
326 "Type \\[riece-command-dcc-receive] to receive"
328 (riece-insert-change buffer (format "DCC SEND from %s: %s (%s)\n"
330 (riece-rdcc-format-size size)))
332 (if (and riece-channel-buffer-mode
333 (not (eq buffer riece-channel-buffer)))
334 (list riece-dialogue-buffer riece-others-buffer)
335 riece-dialogue-buffer)
337 (riece-concat-server-name
338 (format "DCC SEND from %s (%s) to %s: %s (%s)"
340 (riece-strip-user-at-host
341 (riece-prefix-user-at-host prefix))
342 (riece-decode-coding-string target)
344 (riece-rdcc-format-size size)))
348 (defun riece-rdcc-requires ()
351 (defvar riece-dialogue-mode-map)
352 (defun riece-rdcc-insinuate ()
353 (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
354 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request))
356 (defun riece-rdcc-uninstall ()
357 (setq riece-ctcp-additional-clientinfo
358 (delete "DCC" riece-ctcp-additional-clientinfo))
359 (remove-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request))
361 (defun riece-rdcc-enable ()
362 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
363 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
365 (defun riece-rdcc-disable ()
366 (define-key riece-dialogue-mode-map "\C-ds" nil)
367 (define-key riece-dialogue-mode-map "\C-dr" nil))
369 (provide 'riece-rdcc)
371 ;;; riece-rdcc.el ends here