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., 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-send-program
55 sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
56 address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')
58 server = TCPServer.new(address, 0)
59 output(\"#{server.addr[3].split(/\\./).collect{|c| c.to_i}.pack('CCCC').unpack('N')[0]} #{server.addr[1]}\")
60 session = server.accept
63 File.open(" file ") {|file|
64 while (bytes = file.read(" block-size "))
70 end until buf.unpack('N')[0] == total
76 "Ruby program to send file with DCC."
80 (defcustom riece-rdcc-decode-address-program
81 '("\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
82 address " >> 8 & 0xFF}.#{" address " & 0xFF}\"")
83 "Ruby program to numeric IP address."
87 (defcustom riece-rdcc-save-directory nil
88 "Default directory where received files are saved in."
92 (defcustom riece-rdcc-block-size 1024
93 "Number of bytes sent as a block."
97 (defvar riece-rdcc-requests nil)
99 (defvar riece-rdcc-request-user nil)
100 (defvar riece-rdcc-request-file nil)
101 (defvar riece-rdcc-request-size nil)
103 (defvar riece-rdcc-temp-file nil)
104 (defvar riece-rdcc-received-size nil)
106 (defconst riece-rdcc-description
107 "DCC file sending protocol support (written in Ruby.)")
109 (defvar temporary-file-directory)
110 (defvar jka-compr-compression-info-list)
111 (defvar jam-zcat-filename-list)
113 (defun riece-rdcc-output-handler (name output time)
114 (if (string-match "\\([0-9]+\\) \\([0-9]+\\)" output)
115 (let ((address (match-string 1 output))
116 (port (match-string 2 output)))
118 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
119 (riece-identity-prefix
120 (riece-ruby-property name 'riece-rdcc-request-user))
121 (file-name-nondirectory
122 (riece-ruby-property name 'riece-rdcc-request-file))
124 (riece-ruby-property name 'riece-rdcc-request-size)))))
125 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler-2))
127 (defun riece-rdcc-output-handler-2 (name output time)
128 (message (riece-mcat "Sending %s...(%s/%d)")
129 (riece-ruby-property name 'riece-rdcc-request-file)
130 (string-to-number output)
131 (riece-ruby-property name 'riece-rdcc-request-size)))
133 (defun riece-rdcc-exit-handler (name)
134 (message (riece-mcat "Sending %s...done")
135 (riece-ruby-property name 'riece-rdcc-request-file)))
137 (defun riece-command-dcc-send (user file)
139 (let ((completion-ignore-case t))
140 (list (riece-completing-read-identity
141 (riece-mcat "User: ")
142 (riece-get-users-on-server (riece-current-server-name)))
143 (expand-file-name (read-file-name (riece-mcat "File: "))))))
144 (let ((name (riece-ruby-execute
145 (riece-ruby-substitute-variables
146 riece-rdcc-send-program
148 (if riece-rdcc-server-address
149 (concat "'" riece-rdcc-server-address
153 (concat "'" file "'"))
156 riece-rdcc-block-size)))))))
157 (riece-ruby-set-property name 'riece-rdcc-request-user user)
158 (riece-ruby-set-property name 'riece-rdcc-request-file file)
159 (riece-ruby-set-property name 'riece-rdcc-request-size
160 (nth 7 (file-attributes file)))
161 (riece-ruby-set-output-handler name #'riece-rdcc-output-handler)
162 (riece-ruby-set-exit-handler name #'riece-rdcc-exit-handler)))
164 (defun riece-rdcc-filter (process input)
166 (set-buffer (process-buffer process))
169 (let ((coding-system-for-write 'binary)
170 jka-compr-compression-info-list jam-zcat-filename-list)
171 (write-region (point-min) (point-max) riece-rdcc-temp-file t 0))
172 (setq riece-rdcc-received-size (+ (buffer-size) riece-rdcc-received-size))
176 (lsh riece-rdcc-received-size -24)
177 (logand (lsh riece-rdcc-received-size -16) 255)
178 (logand (lsh riece-rdcc-received-size -8) 255)
179 (logand riece-rdcc-received-size 255)))
180 (message (riece-mcat "Receiving %s from %s...(%s/%s)")
181 (file-name-nondirectory riece-rdcc-request-file)
182 riece-rdcc-request-user
183 (riece-rdcc-format-size riece-rdcc-received-size)
184 (riece-rdcc-format-size riece-rdcc-request-size))
185 (if (= riece-rdcc-received-size riece-rdcc-request-size)
186 (set-process-filter process nil))))
188 (defun riece-rdcc-sentinel (process status)
190 (set-buffer (process-buffer process))
191 (unless (= riece-rdcc-received-size riece-rdcc-request-size)
192 (error "Premature end of file"))
193 (message (riece-mcat "Receiving %s from %s...done")
194 (file-name-nondirectory riece-rdcc-request-file)
195 riece-rdcc-request-user)
198 (rename-file riece-rdcc-temp-file riece-rdcc-request-file)
199 (delete-directory (file-name-directory riece-rdcc-temp-file)))
201 (error "Can't save %s. Temporarily saved in %s"
202 riece-rdcc-request-file riece-rdcc-temp-file))))
203 (kill-buffer (process-buffer process)))
205 (defun riece-rdcc-decode-address (address)
206 (let ((name (riece-ruby-execute
207 (riece-ruby-substitute-variables
208 riece-rdcc-decode-address-program
209 (list (cons 'address address)))))
211 (while (equal (nth 2 (setq response (riece-ruby-inspect name))) "running")
212 (accept-process-output riece-ruby-process))
213 (riece-ruby-clear name)
216 (defun riece-command-dcc-receive (request file)
219 (unless riece-rdcc-requests
220 (error "No request"))
222 (if (= (length riece-rdcc-requests) 1)
223 (car riece-rdcc-requests)
224 (with-output-to-temp-buffer "*Help*"
225 (let ((requests riece-rdcc-requests)
228 (princ (format (riece-mcat "%2d: %s %s (%d bytes)\n")
231 (nth 1 (car requests))
232 (nth 4 (car requests))))
233 (setq index (1+ index)
234 requests (cdr requests)))))
235 (let ((number (read-string "Request#: ")))
236 (unless (string-match "^[0-9]+$" number)
237 (error "Not a number"))
238 (if (or (> (setq number (string-to-number number))
239 (length riece-rdcc-requests))
241 (error "Invalid number"))
242 (nth (1- number) riece-rdcc-requests))))
243 (default-name (expand-file-name
244 (convert-standard-filename (nth 1 request))
245 (or riece-rdcc-save-directory
246 default-directory))))
250 (format (riece-mcat "Save as (default %s) ")
251 (file-name-nondirectory default-name))
252 (file-name-directory default-name)
254 (let* ((temp-file (expand-file-name
255 (file-name-nondirectory file)
256 (expand-file-name (make-temp-name "riece-rdcc")
257 (if (featurep 'xemacs)
259 temporary-file-directory))))
260 (orig-mode (default-file-modes))
262 (coding-system-for-read 'binary)
263 (coding-system-for-write 'binary)
267 (set-default-file-modes 448)
268 ;; This may throw an error.
269 (make-directory (file-name-directory temp-file)))
270 (set-default-file-modes orig-mode))
271 (setq process (open-network-stream
272 "DCC" (generate-new-buffer " *DCC*")
273 (riece-rdcc-decode-address (nth 2 request))
275 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
276 (with-current-buffer (process-buffer process)
277 (if (fboundp 'set-buffer-multibyte)
278 (set-buffer-multibyte nil))
279 (buffer-disable-undo)
281 (make-local-variable 'riece-rdcc-request-user)
282 (setq riece-rdcc-request-user (car request))
283 (make-local-variable 'riece-rdcc-request-file)
284 (setq riece-rdcc-request-file file)
285 (make-local-variable 'riece-rdcc-request-size)
286 (setq riece-rdcc-request-size (nth 4 request))
287 (make-local-variable 'riece-rdcc-temp-file)
288 (setq riece-rdcc-temp-file temp-file)
289 (make-local-variable 'riece-rdcc-received-size)
290 (setq riece-rdcc-received-size 0))
291 (set-process-filter process #'riece-rdcc-filter)
292 (set-process-sentinel process #'riece-rdcc-sentinel)))
294 (defun riece-rdcc-format-size (size)
296 (format "%0.1f" size)
297 (setq size (/ size 1024.0))
299 (format "%0.1fKB" size)
300 (setq size (/ size 1024.0))
302 (format "%0.1fMB" size)
303 (format "%0.1fGB" (/ size 1024.0))))))
305 (defun riece-handle-dcc-request (prefix target message)
306 (let ((case-fold-search t))
307 (when (and (get 'riece-rdcc 'riece-addon-enabled)
309 "SEND \\(\\([^ ]+\\)\\|\"\\(.+\\)\"\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
311 (let ((file (or (match-string 2 message)
312 (match-string 3 message)))
313 (address (match-string 4 message))
314 (port (string-to-number (match-string 5 message)))
315 (size (string-to-number (match-string 6 message)))
316 (buffer (if (riece-channel-p target)
317 (riece-channel-buffer (riece-make-identity
318 target riece-server-name))))
319 (user (riece-prefix-nickname prefix)))
320 (setq riece-rdcc-requests
321 (cons (list user file address port size)
322 riece-rdcc-requests))
324 (with-current-buffer (window-buffer (selected-window))
325 (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))
367 (defun riece-rdcc-disable ()
368 (define-key riece-dialogue-mode-map "\C-ds" nil)
369 (define-key riece-dialogue-mode-map "\C-dr" nil))
371 (provide 'riece-rdcc)
373 ;;; riece-rdcc.el ends here