--- /dev/null
+;;; riece-rdcc.el --- ruby implementation of DCC add-on
+;; Copyright (C) 1998-2003 Daiki Ueno
+
+;; Author: Daiki Ueno <ueno@unixuser.org>
+;; Keywords: IRC, riece
+
+;; This file is part of Riece.
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+(defgroup riece-rdcc nil
+ "DCC implementation using ruby"
+ :prefix "riece-"
+ :group 'riece)
+
+(defcustom riece-rdcc-server-address "127.0.0.1"
+ "Local address of the DCC server.
+Only used for sending files."
+ :type 'vector
+ :group 'riece-rdcc)
+
+(defvar riece-rdcc-requests nil)
+
+(defvar riece-rdcc-request-user nil)
+(defvar riece-rdcc-request-file nil)
+(defvar riece-rdcc-request-size nil)
+
+(defun riece-rdcc-server-filter (process input)
+ (save-excursion
+ (set-buffer (process-buffer process))
+ (goto-char (point-max))
+ (insert input)
+ (goto-char (point-min))
+ (while (and (not (eobp))
+ (looking-at "\\([0-9]+\\)\n"))
+ (message "Sending %s...(%s/%d)"
+ riece-rdcc-request-file
+ (match-string 1) riece-rdcc-request-size)
+ (forward-line))
+ (unless (eobp)
+ (delete-region (point-min) (point)))))
+
+(defun riece-rdcc-server-sentinel (process status)
+ (kill-buffer (process-buffer process))
+ (delete-process process))
+
+(defun riece-command-dcc-send (user file)
+ (interactive
+ (let ((completion-ignore-case t))
+ (unless riece-rdcc-server-address
+ (error "Set riece-rdcc-server-address to your host"))
+ (list (completing-read
+ "User: "
+ (mapcar #'list (riece-get-users-on-server)))
+ (expand-file-name (read-file-name "File: ")))))
+ (let ((process
+ (start-process "DCC" " *DCC*" "ruby" "-rsocket")))
+ (process-send-string process (concat "\
+server = TCPServer.new('" riece-rdcc-server-address "', 0)
+puts(\"#{server.addr[3].split(/\\./).collect{|c| c.to_i}.pack('cccc').unpack('N')[0]} #{server.addr[1]}\")
+session = server.accept
+if session
+ total = 0
+ File.open('" file "') {|file|
+ bytes = file.read(1024)
+ total += bytes.length
+ puts(\"#{total}\")
+ session.write(bytes)
+ }
+ session.close
+end
+"))
+ (process-send-eof process)
+ (save-excursion
+ (set-buffer (process-buffer process))
+ (while (and (eq (process-status process) 'run)
+ (progn
+ (goto-char (point-min))
+ (not (looking-at "\\([0-9]+\\) \\([0-9]+\\)"))))
+ (accept-process-output))
+ (if (eq (process-status process) 'run)
+ (let ((address (match-string 1))
+ (port (match-string 2)))
+ (erase-buffer)
+ (make-local-variable 'riece-rdcc-request-size)
+ (setq riece-rdcc-request-file file
+ riece-rdcc-request-size (nth 7 (file-attributes file)))
+ (set-buffer-modified-p nil)
+ (set-process-filter process #'riece-rdcc-server-filter)
+ (set-process-sentinel process #'riece-rdcc-server-sentinel)
+ (riece-send-string
+ (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
+ user (file-name-nondirectory file)
+ address port
+ riece-rdcc-request-size)))))))
+
+(defun riece-rdcc-filter (process input)
+ (save-excursion
+ (set-buffer (process-buffer process))
+ (goto-char (point-max))
+ (insert input)
+ (message "Receiving %s from %s...(%d/%d)"
+ (file-name-nondirectory buffer-file-name)
+ riece-rdcc-request-user
+ (1- (point))
+ riece-rdcc-request-size)))
+
+(defun riece-rdcc-sentinel (process status)
+ (save-excursion
+ (set-buffer (process-buffer process))
+ (unless (= (buffer-size) riece-rdcc-request-size)
+ (error "Premature end of file"))
+ (message "Receiving %s from %s...done"
+ (file-name-nondirectory buffer-file-name)
+ riece-rdcc-request-user)
+ (let ((coding-system-for-write 'binary))
+ (save-buffer))))
+
+(defun riece-rdcc-decode-address (address)
+ (with-temp-buffer
+ (call-process "ruby" nil t nil "-e" (concat "\
+puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{" address " >> 8 & 0xFF}.#{" address " & 0xFF}\")"))
+ (buffer-substring (point-min) (1- (point-max)))))
+
+(defun riece-command-dcc-receive (request file)
+ (interactive
+ (progn
+ (unless riece-rdcc-requests
+ (error "No request"))
+ (list
+ (if (= (length riece-rdcc-requests) 1)
+ (car riece-rdcc-requests)
+ (with-output-to-temp-buffer "*Help*"
+ (let ((requests riece-rdcc-requests)
+ (index 1))
+ (while requests
+ (princ (format "%2d: %s %s (%d bytes)\n"
+ index
+ (car (car requests))
+ (nth 1 (car requests))
+ (nth 4 (car requests))))
+ (setq index (1+ index)
+ requests (cdr requests)))))
+ (let ((number (read-string "Request#: ")))
+ (unless (string-match "^[0-9]+$" number)
+ (error "Not a number"))
+ (if (or (> (setq number (string-to-number number))
+ (length riece-rdcc-requests))
+ (< number 1))
+ (error "Invalid number"))
+ (nth (1- number) riece-rdcc-requests)))
+ (expand-file-name (read-file-name "Save as: ")))))
+ (let* (selective-display
+ (coding-system-for-read 'binary)
+ (coding-system-for-write 'binary)
+ (process (open-network-stream
+ "DCC" " *DCC*"
+ (riece-rdcc-decode-address (nth 2 request))
+ (nth 3 request))))
+ (setq riece-rdcc-requests (delq request riece-rdcc-requests))
+ (with-current-buffer (process-buffer process)
+ (set-buffer-multibyte nil)
+ (buffer-disable-undo)
+ (setq buffer-file-name file)
+ (make-local-variable 'riece-rdcc-request-user)
+ (setq riece-rdcc-request-user (car request))
+ (make-local-variable 'riece-rdcc-request-size)
+ (setq riece-rdcc-request-size (nth 4 request)))
+ (set-process-filter process #'riece-rdcc-filter)
+ (set-process-sentinel process #'riece-rdcc-sentinel)))
+
+(defun riece-handle-dcc-request (prefix target message)
+ (let ((case-fold-search t))
+ (when (string-match
+ "SEND \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
+ message)
+ (let ((file (match-string 1 message))
+ (address (match-string 2 message))
+ (port (string-to-number (match-string 3 message)))
+ (size (string-to-number (match-string 4 message)))
+ (buffer (if (riece-channel-p target)
+ (cdr (riece-identity-assoc-no-server
+ (riece-make-identity target)
+ riece-channel-buffer-alist))))
+ (user (riece-prefix-nickname prefix)))
+ (setq riece-rdcc-requests
+ (cons (list user file address port size)
+ riece-rdcc-requests))
+ (riece-insert-change buffer (format "DCC SEND from %s\n" user))
+ (riece-insert-change
+ (if (and riece-channel-buffer-mode
+ (not (eq buffer riece-channel-buffer)))
+ (list riece-dialogue-buffer riece-others-buffer)
+ riece-dialogue-buffer)
+ (concat
+ (riece-concat-server-name
+ (format "DCC SEND from %s (%s) to %s"
+ user
+ (riece-strip-user-at-host
+ (riece-prefix-user-at-host prefix))
+ target))
+ "\n")))
+ t)))
+
+(defun riece-rdcc-requires ()
+ '(riece-ctcp))
+
+(defvar riece-dialogue-mode-map)
+(defun riece-rdcc-insinuate ()
+ (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request)
+ (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
+ (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
+
+(provide 'riece-rdcc)
+
+;;; riece-rdcc.el ends here
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