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1 | ;;; erc-xdcc.el --- XDCC file-server support for ERC |
2 | ||
ba318903 | 3 | ;; Copyright (C) 2003-2004, 2006-2014 Free Software Foundation, Inc. |
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4 | |
5 | ;; Author: Mario Lang <mlang@delysid.org> | |
34dc21db | 6 | ;; Maintainer: emacs-devel@gnu.org |
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7 | ;; Keywords: comm, processes |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
4ee57b2a | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
597993cf | 12 | ;; it under the terms of the GNU General Public License as published by |
4ee57b2a GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
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15 | |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
4ee57b2a | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
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23 | |
24 | ;;; Commentary: | |
25 | ||
9cc8d0b6 | 26 | ;; This file provides a very simple XDCC file server for ERC. |
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27 | |
28 | ;;; Code: | |
29 | ||
30 | (require 'erc-dcc) | |
31 | ||
32 | (defcustom erc-xdcc-files nil | |
fb7ada5f | 33 | "List of files to offer via XDCC. |
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34 | Your friends should issue \"/ctcp yournick XDCC list\" to see this." |
35 | :group 'erc-dcc | |
36 | :type '(repeat file)) | |
37 | ||
38 | (defcustom erc-xdcc-verbose-flag t | |
fb7ada5f | 39 | "Report XDCC CTCP requests in the server buffer." |
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40 | :group 'erc-dcc |
41 | :type 'boolean) | |
42 | ||
43 | (defcustom erc-xdcc-handler-alist | |
44 | '(("help" . erc-xdcc-help) | |
45 | ("list" . erc-xdcc-list) | |
46 | ("send" . erc-xdcc-send)) | |
fb7ada5f | 47 | "Sub-command handler alist for XDCC CTCP queries." |
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48 | :group 'erc-dcc |
49 | :type '(alist :key-type (string :tag "Sub-command") :value-type function)) | |
50 | ||
51 | (defcustom erc-xdcc-help-text | |
52 | '(("Hey " nick ", wondering how this works? Pretty easy.") | |
53 | ("Available commands: XDCC [" | |
54 | (mapconcat 'car erc-xdcc-handler-alist "|") "]") | |
55 | ("Type \"/ctcp " (erc-current-nick) | |
56 | " XDCC list\" to see the list of offered files, then type \"/ctcp " | |
57 | (erc-current-nick) " XDCC send #\" to get a particular file number.")) | |
fb7ada5f | 58 | "Help text sent in response to XDCC help command. |
597993cf | 59 | A list of messages, each consisting of strings and expressions, expressions |
c0943d3d | 60 | being evaluated and should return strings." |
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61 | :group 'erc-dcc |
62 | :type '(repeat (repeat :tag "Message" (choice string sexp)))) | |
63 | ||
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64 | ;;;###autoload (autoload 'erc-xdcc-mode "erc-xdcc") |
65 | (define-erc-module xdcc nil | |
66 | "Act as an XDCC file-server." | |
67 | nil nil) | |
68 | ||
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69 | ;;;###autoload |
70 | (defun erc-xdcc-add-file (file) | |
71 | "Add a file to `erc-xdcc-files'." | |
72 | (interactive "fFilename to add to XDCC: ") | |
73 | (if (file-exists-p file) | |
74 | (add-to-list 'erc-xdcc-files file))) | |
75 | ||
76 | (defun erc-xdcc-reply (proc nick msg) | |
77 | (process-send-string proc | |
78 | (format "PRIVMSG %s :%s\n" nick msg))) | |
79 | ||
80 | ;; CTCP query handlers | |
81 | ||
82 | (defvar erc-ctcp-query-XDCC-hook '(erc-xdcc) | |
83 | "Hook called whenever a CTCP XDCC message is received.") | |
84 | ||
85 | (defun erc-xdcc (proc nick login host to query) | |
86 | "Handle incoming CTCP XDCC queries." | |
87 | (when erc-xdcc-verbose-flag | |
88 | (erc-display-message nil 'notice proc | |
89 | (format "XDCC %s (%s@%s) sends %S" nick login host query))) | |
90 | (let* ((args (cdr (delete "" (split-string query " ")))) | |
91 | (handler (cdr (assoc (downcase (car args)) erc-xdcc-handler-alist)))) | |
92 | (if (and handler (functionp handler)) | |
93 | (funcall handler proc nick login host (cdr args)) | |
94 | (erc-xdcc-reply | |
95 | proc nick | |
96 | (format "Unknown XDCC sub-command, try \"/ctcp %s XDCC help\"" | |
97 | (erc-current-nick)))))) | |
98 | ||
99 | (defun erc-xdcc-help (proc nick login host args) | |
100 | "Send basic help information to NICK." | |
101 | (mapc | |
102 | (lambda (msg) | |
103 | (erc-xdcc-reply proc nick | |
104 | (mapconcat (lambda (elt) (if (stringp elt) elt (eval elt))) msg ""))) | |
105 | erc-xdcc-help-text)) | |
106 | ||
107 | (defun erc-xdcc-list (proc nick login host args) | |
108 | "Show the contents of `erc-xdcc-files' via privmsg to NICK." | |
109 | (if (null erc-xdcc-files) | |
110 | (erc-xdcc-reply proc nick "No files offered, sorry") | |
111 | (erc-xdcc-reply proc nick "Num Filename") | |
112 | (erc-xdcc-reply proc nick "--- -------------") | |
113 | (let ((n 0)) | |
114 | (dolist (file erc-xdcc-files) | |
115 | (erc-xdcc-reply proc nick | |
116 | (format "%02d. %s" | |
117 | (setq n (1+ n)) | |
118 | (erc-dcc-file-to-name file))))))) | |
119 | ||
120 | (defun erc-xdcc-send (proc nick login host args) | |
121 | "Send a file to NICK." | |
122 | (let ((n (string-to-number (car args))) | |
123 | (len (length erc-xdcc-files))) | |
124 | (cond | |
125 | ((= len 0) | |
126 | (erc-xdcc-reply proc nick "No files offered, sorry")) | |
127 | ((or (< n 1) (> n len)) | |
128 | (erc-xdcc-reply proc nick (format "%d out of range" n))) | |
129 | (t (erc-dcc-send-file nick (nth (1- n) erc-xdcc-files) proc))))) | |
130 | ||
131 | (provide 'erc-xdcc) | |
132 | ||
597993cf | 133 | ;;; erc-xdcc.el ends here |
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134 | ;; |
135 | ;; Local Variables: | |
136 | ;; indent-tabs-mode: t | |
137 | ;; tab-width: 8 | |
138 | ;; End: | |
139 |