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avahi-bookmarks
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#!/usr/bin/python2
# -*-python-*-
# This file is part of avahi.
#
# avahi is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# avahi 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 Lesser General Public
# License along with avahi; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.
import sys, getopt, os
try:
import avahi, gobject, dbus
except ImportError:
print "Sorry, to use this tool you need to install Avahi and python-dbus."
sys.exit(1)
try:
import dbus.glib
except ImportError:
pass
urlproto = { "_http._tcp" : "http", "_https._tcp" : "https", "_ftp._tcp" : "ftp" }
port = 8080
address = "127.0.0.1"
use_host_names = None
use_CGI = None
domain = "local"
timeout = 3000
class AvahiBookmarks:
services = {}
def __init__(self, use_host_names):
self.bus = dbus.SystemBus()
self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
self.version_string = self.server.GetVersionString()
self.browse_service_type("_http._tcp")
self.browse_service_type("_https._tcp")
self.browse_service_type("_ftp._tcp")
if use_host_names is None:
try:
self.use_host_names = self.server.IsNSSSupportAvailable()
except:
self.use_host_names = False
else:
self.use_host_names = use_host_names
def browse_service_type(self, stype):
global domain, use_CGI
browser = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, self.server.ServiceBrowserNew(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, stype, domain, dbus.UInt32(0))), avahi.DBUS_INTERFACE_SERVICE_BROWSER)
browser.connect_to_signal('ItemNew', self.new_service)
browser.connect_to_signal('ItemRemove', self.remove_service)
if use_CGI:
browser.connect_to_signal('AllForNow', self.all_for_now)
def find_path(self, txt):
l = avahi.txt_array_to_string_array(txt)
for k in l:
if k[:5] == "path=":
if k[5:].startswith("/"):
return k[5:]
else:
return "/" + k[5:]
return "/"
def render_html(self):
global domain
t = '<html><head><title>%s Zeroconf Bookmarks</title></head><body><h1>%s Zeroconf Bookmarks</h1>' % (domain, domain)
if len(self.services) == 0:
t += '<p>Sorry, no Zeroconf web services have been registered on the %s domain.</p>' % domain
else:
t += '<ul style="padding: 0px; margin: 20px; list-style-type: none">'
for k, v in self.services.iteritems():
if v[3] == 80:
port = ''
else:
port = ':%i' % v[3]
path = self.find_path(v[4])
t += '<li><a href="%s://%s%s%s">%s</a></li>' % (urlproto[k[3]], v[2], port, path, k[2])
t += '</ul>'
t += '<hr noshade/><p style="font-size: 8; font-family: sans-serif">Served by %s</p></body></html>' % self.version_string
return str(t)
def new_service(self, interface, protocol, name, type, domain, flags):
interface, protocol, name, type, domain, host, aprotocol, address, port, txt, flags = self.server.ResolveService(interface, protocol, name, type, domain, avahi.PROTO_UNSPEC, dbus.UInt32(0))
if self.use_host_names:
h = host
else:
if aprotocol == avahi.PROTO_INET6:
h = "[" + address + "]"
else:
h = address
self.services[(interface, protocol, name, type, domain)] = (host, aprotocol, h, port, txt)
def remove_service(self, interface, protocol, name, type, domain):
del self.services[(interface, protocol, name, type, domain)]
# Only reachable with use_CGI
def all_for_now(self):
mainloop.quit()
def usage(retval = 0):
print "%s [options]\n" % sys.argv[0]
print " -h --help Show this help"
print " -c --cgi Run as a CGI instead of as a server (default to server"
print " unless environment variable GATEWAY_INTERFACE is set)"
print " -t --timeout MS Specify the max time for CGI browsing (default %u)" % timeout
print " -p --port PORT Specify the port to use (default %u)" % port
print " -a --address ADDRESS Specify the address to bind to (default %s)" % address
print " -H --host-names Show links with real hostnames"
print " -A --addresses Show links with numeric IP addresses"
print " -d --domain DOMAIN Specify the domain to browse"
sys.exit(retval)
try:
opts, args = getopt.getopt(sys.argv[1:], "hct:p:a:HAd:", ["help", "cgi", "port=", "timeout=", "address=", "host-names", "addresses", "domain="])
except getopt.GetoptError:
usage(2)
for o, a in opts:
if o in ("-h", "--help"):
usage()
if o in ("-c", "--cgi"):
use_CGI = True
if o in ("-t", "--timeout"):
timeout = int(a)
if o in ("-p", "--port"):
port = int(a)
if o in ("-a", "--address"):
address = a
if o in ("-H", "--host-names"):
use_host_names = True
if o in ("-A", "--addresses"):
use_host_names = False
if o in ("-d", "--domain"):
domain = a
if use_CGI is None:
use_CGI = os.environ.has_key("GATEWAY_INTERFACE")
if use_CGI:
cgi = AvahiBookmarks(use_host_names)
mainloop = gobject.MainLoop()
gobject.timeout_add(timeout, mainloop.quit)
try:
mainloop.run()
except KeyboardInterrupt:
pass
print 'Content-type: text/html\n\n' + cgi.render_html()
else:
try:
from twisted.internet import glib2reactor
glib2reactor.install()
from twisted.internet import reactor
from twisted.web import server, resource
except ImportError:
print "Sorry, to use this tool as a server you need to install twisted and twisted.web.\n"
sys.exit(1)
class AvahiBookmarksServer(AvahiBookmarks, resource.Resource):
isLeaf = True
def __init__(self, use_host_names):
resource.Resource.__init__(self)
AvahiBookmarks.__init__(self, use_host_names)
def render_GET(self, request):
return self.render_html()
site = server.Site(AvahiBookmarksServer(use_host_names))
reactor.listenTCP(port, site, interface=address)
print "Now point your web browser to http://%s:%u/!" % (address, port)
try:
reactor.run()
except KeyboardInterrupt:
pass