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# -*- coding: utf-8 -*-
"""
* Copyright © 2009-2010, Michael "Svedrin" Ziegler <diese-addy@funzt-halt.net>
*
* Mumble-Django 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 of the License, or
* (at your option) any later version.
*
* This package 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.
"""
import socket
import datetime
import re
from time import time
from django.utils.http import urlquote
from django.conf import settings
def cmp_names( left, rite ):
""" Compare two objects by their name property. """
return cmp( left.name, rite.name );
class mmChannel( object ):
""" Represents a channel in Murmur. """
def __init__( self, server, channel_obj, parent_chan = None ):
self.server = server;
self.players = list();
self.subchans = list();
self.linked = list();
self.channel_obj = channel_obj;
self.chanid = channel_obj.id;
self.parent = parent_chan;
if self.parent is not None:
self.parent.subchans.append( self );
self._acl = None;
# Lookup unknown attributes in self.channel_obj to automatically include Murmur's fields
def __getattr__( self, key ):
if hasattr( self.channel_obj, key ):
return getattr( self.channel_obj, key );
else:
raise AttributeError( "'%s' object has no attribute '%s'" % ( self.__class__.__name__, key ) );
def parent_channels( self ):
""" Return the names of this channel's parents in the channel tree. """
if self.parent is None or self.parent.is_server or self.parent.chanid == 0:
return [];
return self.parent.parent_channels() + [self.parent.name];
def getACL( self ):
""" Retrieve the ACL for this channel. """
if not self._acl:
self._acl = mmACL( self, self.server.ctl.getACL( self.server.srvid, self.chanid ) );
return self._acl;
acl = property( getACL );
is_server = False;
is_channel = True;
is_player = False;
playerCount = property(
lambda self: len( self.players ) + sum( [ chan.playerCount for chan in self.subchans ] ),
doc="The number of players in this channel."
);
id = property(
lambda self: "channel_%d"%self.chanid,
doc="A string ready to be used in an id property of an HTML tag."
);
top_or_not_empty = property(
lambda self: self.parent is None or self.parent.chanid == 0 or self.playerCount > 0,
doc="True if this channel needs to be shown because it is root, a child of root, or has players."
);
show = property( lambda self: settings.SHOW_EMPTY_SUBCHANS or self.top_or_not_empty );
def __str__( self ):
return '<Channel "%s" (%d)>' % ( self.name, self.chanid );
def sort( self ):
""" Sort my subchannels and players, and then iterate over them and sort them recursively. """
self.subchans.sort( cmp_names );
self.players.sort( cmp_names );
for subc in self.subchans:
subc.sort();
def visit( self, callback, lvl = 0 ):
""" Call callback on myself, then visit my subchans, then my players. """
callback( self, lvl );
for subc in self.subchans:
subc.visit( callback, lvl + 1 );
for plr in self.players:
plr.visit( callback, lvl + 1 );
def getURL( self, for_user = None ):
""" Create an URL to connect to this channel. The URL is of the form
mumble://username@host:port/parentchans/self.name
"""
from urlparse import urlunsplit
versionstr = "version=%d.%d.%d" % tuple(self.server.version[:3]);
if self.parent is not None:
chanlist = self.parent_channels() + [self.name];
chanlist = [ urlquote( chan ) for chan in chanlist ];
urlpath = "/".join( chanlist );
else:
urlpath = "";
if for_user is not None:
netloc = "%s@%s" % ( for_user.name, self.server.netloc );
return urlunsplit(( "mumble", netloc, urlpath, versionstr, "" ))
else:
return urlunsplit(( "mumble", self.server.netloc, urlpath, versionstr, "" ))
connecturl = property( getURL );
def setDefault( self ):
""" Make this the server's default channel. """
self.server.defchan = self.chanid;
self.server.save();
is_default = property(
lambda self: self.server.defchan == self.chanid,
doc="True if this channel is the server's default channel."
);
def asDict( self ):
chandata = self.channel_obj.__dict__.copy();
chandata['players'] = [ pl.asDict() for pl in self.players ];
chandata['subchans'] = [ sc.asDict() for sc in self.subchans ];
return chandata;
def asXml( self, parentnode ):
from xml.etree.cElementTree import SubElement
me = SubElement( parentnode, "item" , id=self.id, rel='channel' )
content = SubElement( me, "content" )
name = SubElement( content , "name" )
name.text = self.name
for sc in self.subchans:
sc.asXml(me)
for pl in self.players:
pl.asXml(me)
class mmPlayer( object ):
""" Represents a Player in Murmur. """
def __init__( self, server, player_obj, player_chan ):
self.player_obj = player_obj;
self.onlinesince = datetime.datetime.fromtimestamp( float( time() - player_obj.onlinesecs ) );
self.channel = player_chan;
self.channel.players.append( self );
if self.isAuthed:
from mumble.models import MumbleUser
try:
self.mumbleuser = MumbleUser.objects.get( mumbleid=self.userid, server=server );
except MumbleUser.DoesNotExist:
self.mumbleuser = None;
else:
self.mumbleuser = None;
# Lookup unknown attributes in self.player_obj to automatically include Murmur's fields
def __getattr__( self, key ):
if hasattr( self.player_obj, key ):
return getattr( self.player_obj, key );
else:
raise AttributeError( "'%s' object has no attribute '%s'" % ( self.__class__.__name__, key ) );
def __str__( self ):
return '<Player "%s" (%d, %d)>' % ( self.name, self.session, self.userid );
hasComment = property(
lambda self: hasattr( self.player_obj, "comment" ) and bool(self.player_obj.comment),
doc="True if this player has a comment set."
);
isAuthed = property(
lambda self: self.userid != -1,
doc="True if this player is authenticated (+A)."
);
isAdmin = property(
lambda self: self.mumbleuser and self.mumbleuser.getAdmin(),
doc="True if this player is in the Admin group in the ACL."
);
is_server = False;
is_channel = False;
is_player = True;
def getIpAsString( self ):
""" Get the client's IPv4 or IPv6 address, in a pretty format. """
addr = self.player_obj.address;
if max( addr[:10] ) == 0 and addr[10:12] == (255, 255):
return "%d.%d.%d.%d" % tuple( addr[12:] );
ip6addr = [(hi << 8 | lo) for (hi, lo) in zip(addr[0::2], addr[1::2])]
# colon-separated string:
ipstr = ':'.join([ ("%x" % part) for part in ip6addr ]);
# 0:0:0 -> ::
return re.sub( "((^|:)(0:){2,})", '::', ipstr, 1 );
ipaddress = property( getIpAsString );
fqdn = property( lambda self: socket.getfqdn( self.ipaddress ),
doc="The fully qualified domain name of the user's host." );
# kept for compatibility to mmChannel (useful for traversal funcs)
playerCount = property( lambda self: -1, doc="Exists only for compatibility to mmChannel." );
id = property(
lambda self: "player_%d"%self.session,
doc="A string ready to be used in an id property of an HTML tag."
);
def visit( self, callback, lvl = 0 ):
""" Call callback on myself. """
callback( self, lvl );
def asDict( self ):
pldata = self.player_obj.__dict__.copy();
if self.mumbleuser:
if self.mumbleuser.hasTexture():
pldata['texture'] = self.mumbleuser.textureUrl;
return pldata;
def asXml( self, parentnode ):
from xml.etree.cElementTree import SubElement
me = SubElement( parentnode, "item" , id=self.id, rel='user' )
content = SubElement( me, "content" )
name = SubElement( content , "name" )
name.text = self.name
class mmACL( object ):
""" Represents an ACL for a certain channel. """
def __init__( self, channel, acl_obj ):
self.channel = channel;
self.acls, self.groups, self.inherit = acl_obj;
self.groups_dict = {};
for group in self.groups:
self.groups_dict[ group.name ] = group;
def group_has_member( self, name, userid ):
""" Checks if the given userid is a member of the given group in this channel. """
if name not in self.groups_dict:
raise ReferenceError( "No such group '%s'" % name );
return userid in self.groups_dict[name].add or userid in self.groups_dict[name].members;
def group_add_member( self, name, userid ):
""" Make sure this userid is a member of the group in this channel (and subs). """
if name not in self.groups_dict:
raise ReferenceError( "No such group '%s'" % name );
group = self.groups_dict[name];
# if neither inherited nor to be added, add
if userid not in group.members and userid not in group.add:
group.add.append( userid );
# if to be removed, unremove
if userid in group.remove:
group.remove.remove( userid );
def group_remove_member( self, name, userid ):
""" Make sure this userid is NOT a member of the group in this channel (and subs). """
if name not in self.groups_dict:
raise ReferenceError( "No such group '%s'" % name );
group = self.groups_dict[name];
# if added here, unadd
if userid in group.add:
group.add.remove( userid );
# if member and not in remove, add to remove
elif userid in group.members and userid not in group.remove:
group.remove.append( userid );
def save( self ):
""" Send this ACL to Murmur. """
return self.channel.server.ctl.setACL(
self.channel.server.srvid,
self.channel.chanid,
self.acls, self.groups, self.inherit
);