1 ;;; riece-rdcc.el --- DCC file sending protocol support (written in Ruby) -*- lexical-binding: t -*-
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., 51 Franklin Street, Fifth Floor,
22 ;; Boston, MA 02110-1301, 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
38 (defgroup riece-rdcc nil
39 "DCC written in Ruby."
43 (defcustom riece-rdcc-server-address nil
44 "Local address of the DCC server.
45 Only used for sending files."
49 (defcustom riece-rdcc-server-port nil
50 "Local port of the DCC server.
51 Only used for sending files."
55 (defcustom riece-rdcc-send-program
62 sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
63 address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')
65 server = TCPServer.new(address, port)
66 output(\"#{server.addr[3].split(/\\./).collect{|c| c.to_i}.pack('CCCC').unpack('N')[0]} #{server.addr[1]}\")
67 session = server.accept
70 File.open(" file ") {|file|
71 while (bytes = file.read(" block-size "))
77 end until buf.unpack('N')[0] == total
83 "Ruby program to send file with DCC."
87 (defcustom riece-rdcc-decode-address-program
88 '("\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
89 address " >> 8 & 0xFF}.#{" address " & 0xFF}\"")
90 "Ruby program to numeric IP address."
94 (defcustom riece-rdcc-save-directory nil
95 "Default directory where received files are saved in."
99 (defcustom riece-rdcc-block-size 1024
100 "Number of bytes sent as a block."
104 (defvar riece-rdcc-requests nil)
106 (defvar riece-rdcc-request-user nil)
107 (defvar riece-rdcc-request-file nil)
108 (defvar riece-rdcc-request-size nil)
110 (defvar riece-rdcc-temp-file nil)
111 (defvar riece-rdcc-received-size nil)
113 (defconst riece-rdcc-description
114 "DCC file sending protocol support (written in Ruby.)")
116 (defvar temporary-file-directory)
117 (defvar jka-compr-compression-info-list)
118 (defvar jam-zcat-filename-list)
120 (defun riece-rdcc-output-handler (name output _time)
121 (if (string-match "\\([0-9]+\\) \\([0-9]+\\)" output)
122 (let ((address (match-string 1 output))
123 (port (match-string 2 output)))
125 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
126 (riece-identity-prefix
127 (riece-ruby-property name 'riece-rdcc-request-user))
128 (file-name-nondirectory
129 (riece-ruby-property name 'riece-rdcc-request-file))
131 (riece-ruby-property name 'riece-rdcc-request-size)))))
132 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler-2))
134 (defun riece-rdcc-output-handler-2 (name output _time)
135 (message (riece-mcat "Sending %s...(%s/%d)")
136 (riece-ruby-property name 'riece-rdcc-request-file)
137 (string-to-number output)
138 (riece-ruby-property name 'riece-rdcc-request-size)))
140 (defun riece-rdcc-exit-handler (name)
141 (message (riece-mcat "Sending %s...done")
142 (riece-ruby-property name 'riece-rdcc-request-file)))
144 (defun riece-command-dcc-send (user file)
146 (let ((completion-ignore-case t))
147 (list (riece-completing-read-identity
148 (riece-mcat "User: ")
149 (riece-get-users-on-server (riece-current-server-name)))
150 (expand-file-name (read-file-name (riece-mcat "File: "))))))
151 (let ((name (riece-ruby-execute
152 (riece-ruby-substitute-variables
153 riece-rdcc-send-program
155 (if riece-rdcc-server-address
156 (concat "'" riece-rdcc-server-address
160 (if riece-rdcc-server-port
161 (number-to-string riece-rdcc-server-port)
164 (concat "'" file "'"))
167 riece-rdcc-block-size)))))))
168 (riece-ruby-set-property name 'riece-rdcc-request-user user)
169 (riece-ruby-set-property name 'riece-rdcc-request-file file)
170 (riece-ruby-set-property name 'riece-rdcc-request-size
171 (nth 7 (file-attributes file)))
172 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler)
173 (riece-ruby-set-exit-handler name #'riece-rdcc-exit-handler)))
175 (defun riece-rdcc-filter (process input)
176 (with-current-buffer (process-buffer process)
179 (let ((coding-system-for-write 'binary)
180 jka-compr-compression-info-list jam-zcat-filename-list)
181 (write-region (point-min) (point-max) riece-rdcc-temp-file t 0))
182 (setq riece-rdcc-received-size (+ (buffer-size) riece-rdcc-received-size))
186 (lsh riece-rdcc-received-size -24)
187 (logand (lsh riece-rdcc-received-size -16) 255)
188 (logand (lsh riece-rdcc-received-size -8) 255)
189 (logand riece-rdcc-received-size 255)))
190 (message (riece-mcat "Receiving %s from %s...(%s/%s)")
191 (file-name-nondirectory riece-rdcc-request-file)
192 riece-rdcc-request-user
193 (riece-rdcc-format-size riece-rdcc-received-size)
194 (riece-rdcc-format-size riece-rdcc-request-size))
195 (if (= riece-rdcc-received-size riece-rdcc-request-size)
196 (set-process-filter process nil))))
198 (defun riece-rdcc-sentinel (process _status)
199 (with-current-buffer (process-buffer process)
200 (unless (= riece-rdcc-received-size riece-rdcc-request-size)
201 (error "Premature end of file"))
202 (message (riece-mcat "Receiving %s from %s...done")
203 (file-name-nondirectory riece-rdcc-request-file)
204 riece-rdcc-request-user)
207 (rename-file riece-rdcc-temp-file riece-rdcc-request-file)
208 (delete-directory (file-name-directory riece-rdcc-temp-file)))
210 (error "Can't save %s. Temporarily saved in %s"
211 riece-rdcc-request-file riece-rdcc-temp-file))))
212 (kill-buffer (process-buffer process)))
214 (defun riece-rdcc-decode-address (address)
215 (let ((name (riece-ruby-execute
216 (riece-ruby-substitute-variables
217 riece-rdcc-decode-address-program
218 (list (cons 'address address)))))
220 (while (equal (nth 2 (setq response (riece-ruby-inspect name))) "running")
221 (accept-process-output riece-ruby-process))
222 (riece-ruby-clear name)
225 (defun riece-command-dcc-receive (request file)
228 (unless riece-rdcc-requests
229 (error "No request"))
231 (if (= (length riece-rdcc-requests) 1)
232 (car riece-rdcc-requests)
233 (with-output-to-temp-buffer "*Help*"
234 (let ((requests riece-rdcc-requests)
237 (princ (format (riece-mcat "%2d: %s %s (%d bytes)\n")
240 (nth 1 (car requests))
241 (nth 4 (car requests))))
242 (setq index (1+ index)
243 requests (cdr requests)))))
244 (let ((number (read-string "Request#: ")))
245 (unless (string-match "^[0-9]+$" number)
246 (error "Not a number"))
247 (if (or (> (setq number (string-to-number number))
248 (length riece-rdcc-requests))
250 (error "Invalid number"))
251 (nth (1- number) riece-rdcc-requests))))
252 (default-name (expand-file-name
253 (convert-standard-filename (nth 1 request))
254 (or riece-rdcc-save-directory
255 default-directory))))
259 (format (riece-mcat "Save as (default %s) ")
260 (file-name-nondirectory default-name))
261 (file-name-directory default-name)
263 (let* ((temp-file (expand-file-name
264 (file-name-nondirectory file)
265 (expand-file-name (make-temp-name "riece-rdcc")
266 (if (featurep 'xemacs)
268 temporary-file-directory))))
269 (orig-mode (default-file-modes))
271 (coding-system-for-read 'binary)
272 (coding-system-for-write 'binary)
276 (set-default-file-modes 448)
277 ;; This may throw an error.
278 (make-directory (file-name-directory temp-file)))
279 (set-default-file-modes orig-mode))
280 (setq process (open-network-stream
281 "DCC" (generate-new-buffer " *DCC*")
282 (riece-rdcc-decode-address (nth 2 request))
284 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
285 (with-current-buffer (process-buffer process)
286 (if (fboundp 'set-buffer-multibyte)
287 (set-buffer-multibyte nil))
288 (buffer-disable-undo)
290 (make-local-variable 'riece-rdcc-request-user)
291 (setq riece-rdcc-request-user (car request))
292 (make-local-variable 'riece-rdcc-request-file)
293 (setq riece-rdcc-request-file file)
294 (make-local-variable 'riece-rdcc-request-size)
295 (setq riece-rdcc-request-size (nth 4 request))
296 (make-local-variable 'riece-rdcc-temp-file)
297 (setq riece-rdcc-temp-file temp-file)
298 (make-local-variable 'riece-rdcc-received-size)
299 (setq riece-rdcc-received-size 0))
300 (set-process-filter process #'riece-rdcc-filter)
301 (set-process-sentinel process #'riece-rdcc-sentinel)))
303 (defun riece-rdcc-format-size (size)
305 (format "%0.1f" size)
306 (setq size (/ size 1024.0))
308 (format "%0.1fKB" size)
309 (setq size (/ size 1024.0))
311 (format "%0.1fMB" size)
312 (format "%0.1fGB" (/ size 1024.0))))))
314 (defun riece-handle-dcc-request (prefix target message)
315 (let ((case-fold-search t))
316 (when (and (get 'riece-rdcc 'riece-addon-enabled)
318 "SEND \\(\\([^ ]+\\)\\|\"\\(.+\\)\"\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
320 (let ((file (or (match-string 2 message)
321 (match-string 3 message)))
322 (address (match-string 4 message))
323 (port (string-to-number (match-string 5 message)))
324 (size (string-to-number (match-string 6 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
337 "Type \\[riece-command-dcc-receive] to receive")
339 (riece-insert-change buffer (format "DCC SEND from %s: %s (%s)\n"
341 (riece-rdcc-format-size size)))
343 (if (and riece-channel-buffer-mode
344 (not (eq buffer riece-channel-buffer)))
345 (list riece-dialogue-buffer riece-others-buffer)
346 riece-dialogue-buffer)
348 (riece-concat-server-name
349 (format "DCC SEND from %s (%s) to %s: %s (%s)"
351 (riece-strip-user-at-host
352 (riece-prefix-user-at-host prefix))
353 (riece-decode-coding-string target)
355 (riece-rdcc-format-size size)))
359 (defun riece-rdcc-requires ()
362 (defvar riece-dialogue-mode-map)
363 (defun riece-rdcc-insinuate ()
364 (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
365 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request))
367 (defun riece-rdcc-uninstall ()
368 (setq riece-ctcp-additional-clientinfo
369 (delete "DCC" riece-ctcp-additional-clientinfo))
370 (remove-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request))
372 (defun riece-rdcc-enable ()
373 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
374 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
376 (defun riece-rdcc-disable ()
377 (define-key riece-dialogue-mode-map "\C-ds" nil)
378 (define-key riece-dialogue-mode-map "\C-dr" nil))
380 (provide 'riece-rdcc)
382 ;;; riece-rdcc.el ends here