142 lines
4.6 KiB
EmacsLisp
142 lines
4.6 KiB
EmacsLisp
;;; erc-xdcc.el --- XDCC file-server support for ERC
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;; Copyright (C) 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
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;; Author: Mario Lang <mlang@delysid.org>
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;; Keywords: comm, processes
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; This file provides a very simple XDCC file server for ERC.
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;;; Code:
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(require 'erc-dcc)
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(defcustom erc-xdcc-files nil
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"*List of files to offer via XDCC.
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Your friends should issue \"/ctcp yournick XDCC list\" to see this."
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:group 'erc-dcc
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:type '(repeat file))
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(defcustom erc-xdcc-verbose-flag t
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"*Report XDCC CTCP requests in the server buffer."
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:group 'erc-dcc
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:type 'boolean)
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(defcustom erc-xdcc-handler-alist
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'(("help" . erc-xdcc-help)
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("list" . erc-xdcc-list)
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("send" . erc-xdcc-send))
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"*Sub-command handler alist for XDCC CTCP queries."
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:group 'erc-dcc
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:type '(alist :key-type (string :tag "Sub-command") :value-type function))
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(defcustom erc-xdcc-help-text
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'(("Hey " nick ", wondering how this works? Pretty easy.")
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("Available commands: XDCC ["
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(mapconcat 'car erc-xdcc-handler-alist "|") "]")
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("Type \"/ctcp " (erc-current-nick)
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" XDCC list\" to see the list of offered files, then type \"/ctcp "
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(erc-current-nick) " XDCC send #\" to get a particular file number."))
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"*Help text sent in response to XDCC help command.
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A list of messages, each consisting of strings and expressions, expressions
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being evaluated and should return stings."
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:group 'erc-dcc
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:type '(repeat (repeat :tag "Message" (choice string sexp))))
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;;;###autoload (autoload 'erc-xdcc-mode "erc-xdcc")
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(define-erc-module xdcc nil
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"Act as an XDCC file-server."
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nil nil)
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;;;###autoload
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(defun erc-xdcc-add-file (file)
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"Add a file to `erc-xdcc-files'."
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(interactive "fFilename to add to XDCC: ")
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(if (file-exists-p file)
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(add-to-list 'erc-xdcc-files file)))
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(defun erc-xdcc-reply (proc nick msg)
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(process-send-string proc
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(format "PRIVMSG %s :%s\n" nick msg)))
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;; CTCP query handlers
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(defvar erc-ctcp-query-XDCC-hook '(erc-xdcc)
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"Hook called whenever a CTCP XDCC message is received.")
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(defun erc-xdcc (proc nick login host to query)
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"Handle incoming CTCP XDCC queries."
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(when erc-xdcc-verbose-flag
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(erc-display-message nil 'notice proc
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(format "XDCC %s (%s@%s) sends %S" nick login host query)))
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(let* ((args (cdr (delete "" (split-string query " "))))
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(handler (cdr (assoc (downcase (car args)) erc-xdcc-handler-alist))))
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(if (and handler (functionp handler))
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(funcall handler proc nick login host (cdr args))
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(erc-xdcc-reply
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proc nick
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(format "Unknown XDCC sub-command, try \"/ctcp %s XDCC help\""
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(erc-current-nick))))))
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(defun erc-xdcc-help (proc nick login host args)
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"Send basic help information to NICK."
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(mapc
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(lambda (msg)
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(erc-xdcc-reply proc nick
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(mapconcat (lambda (elt) (if (stringp elt) elt (eval elt))) msg "")))
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erc-xdcc-help-text))
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(defun erc-xdcc-list (proc nick login host args)
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"Show the contents of `erc-xdcc-files' via privmsg to NICK."
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(if (null erc-xdcc-files)
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(erc-xdcc-reply proc nick "No files offered, sorry")
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(erc-xdcc-reply proc nick "Num Filename")
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(erc-xdcc-reply proc nick "--- -------------")
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(let ((n 0))
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(dolist (file erc-xdcc-files)
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(erc-xdcc-reply proc nick
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(format "%02d. %s"
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(setq n (1+ n))
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(erc-dcc-file-to-name file)))))))
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(defun erc-xdcc-send (proc nick login host args)
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"Send a file to NICK."
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(let ((n (string-to-number (car args)))
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(len (length erc-xdcc-files)))
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(cond
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((= len 0)
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(erc-xdcc-reply proc nick "No files offered, sorry"))
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((or (< n 1) (> n len))
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(erc-xdcc-reply proc nick (format "%d out of range" n)))
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(t (erc-dcc-send-file nick (nth (1- n) erc-xdcc-files) proc)))))
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(provide 'erc-xdcc)
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;;; erc-xdcc.el ends here
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;;
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;; Local Variables:
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;; indent-tabs-mode: t
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;; tab-width: 8
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;; End:
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;; arch-tag: a13b62fe-2399-4562-af4e-f18a8dd4b9c8
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