1#!@PYTHON@ 2# -*-python-*- 3# This file is part of avahi. 4# 5# avahi is free software; you can redistribute it and/or modify it 6# under the terms of the GNU Lesser General Public License as 7# published by the Free Software Foundation; either version 2 of the 8# License, or (at your option) any later version. 9# 10# avahi is distributed in the hope that it will be useful, but WITHOUT 11# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 12# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 13# License for more details. 14# 15# You should have received a copy of the GNU Lesser General Public 16# License along with avahi; if not, write to the Free Software 17# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 18# USA. 19 20import sys, getopt, os 21 22try: 23 import avahi, gobject, dbus 24except ImportError: 25 print "Sorry, to use this tool you need to install Avahi and python-dbus." 26 sys.exit(1) 27 28try: 29 import dbus.glib 30except ImportError: 31 pass 32 33urlproto = { "_http._tcp" : "http", "_https._tcp" : "https", "_ftp._tcp" : "ftp" } 34 35port = 8080 36address = "127.0.0.1" 37use_host_names = None 38use_CGI = None 39domain = "local" 40timeout = 3000 41 42class AvahiBookmarks: 43 services = {} 44 45 def __init__(self, use_host_names): 46 47 self.bus = dbus.SystemBus() 48 self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER) 49 50 self.version_string = self.server.GetVersionString() 51 52 self.browse_service_type("_http._tcp") 53 self.browse_service_type("_https._tcp") 54 self.browse_service_type("_ftp._tcp") 55 56 if use_host_names is None: 57 try: 58 self.use_host_names = self.server.IsNSSSupportAvailable() 59 except: 60 self.use_host_names = False 61 else: 62 self.use_host_names = use_host_names 63 64 def browse_service_type(self, stype): 65 66 global domain, use_CGI 67 68 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) 69 browser.connect_to_signal('ItemNew', self.new_service) 70 browser.connect_to_signal('ItemRemove', self.remove_service) 71 if use_CGI: 72 browser.connect_to_signal('AllForNow', self.all_for_now) 73 74 def find_path(self, txt): 75 76 l = avahi.txt_array_to_string_array(txt) 77 78 for k in l: 79 if k[:5] == "path=": 80 if k[5:].startswith("/"): 81 return k[5:] 82 else: 83 return "/" + k[5:] 84 85 return "/" 86 87 def render_html(self): 88 89 global domain 90 91 t = '<html><head><title>%s Zeroconf Bookmarks</title></head><body><h1>%s Zeroconf Bookmarks</h1>' % (domain, domain) 92 93 if len(self.services) == 0: 94 t += '<p>Sorry, no Zeroconf web services have been registered on the %s domain.</p>' % domain 95 else: 96 t += '<ul style="padding: 0px; margin: 20px; list-style-type: none">' 97 98 for k, v in self.services.iteritems(): 99 100 if v[3] == 80: 101 port = '' 102 else: 103 port = ':%i' % v[3] 104 105 path = self.find_path(v[4]) 106 t += '<li><a href="%s://%s%s%s">%s</a></li>' % (urlproto[k[3]], v[2], port, path, k[2]) 107 108 t += '</ul>' 109 110 t += '<hr noshade/><p style="font-size: 8; font-family: sans-serif">Served by %s</p></body></html>' % self.version_string 111 112 return str(t) 113 114 115 def new_service(self, interface, protocol, name, type, domain, flags): 116 117 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)) 118 119 if self.use_host_names: 120 h = host 121 else: 122 if aprotocol == avahi.PROTO_INET6: 123 h = "[" + address + "]" 124 else: 125 h = address 126 127 self.services[(interface, protocol, name, type, domain)] = (host, aprotocol, h, port, txt) 128 129 def remove_service(self, interface, protocol, name, type, domain): 130 131 del self.services[(interface, protocol, name, type, domain)] 132 133 134 # Only reachable with use_CGI 135 def all_for_now(self): 136 137 mainloop.quit() 138 139def usage(retval = 0): 140 141 print "%s [options]\n" % sys.argv[0] 142 print " -h --help Show this help" 143 print " -c --cgi Run as a CGI instead of as a server (default to server" 144 print " unless environment variable GATEWAY_INTERFACE is set)" 145 print " -t --timeout MS Specify the max time for CGI browsing (default %u)" % timeout 146 print " -p --port PORT Specify the port to use (default %u)" % port 147 print " -a --address ADDRESS Specify the address to bind to (default %s)" % address 148 print " -H --host-names Show links with real hostnames" 149 print " -A --addresses Show links with numeric IP addresses" 150 print " -d --domain DOMAIN Specify the domain to browse" 151 sys.exit(retval) 152 153try: 154 opts, args = getopt.getopt(sys.argv[1:], "hct:p:a:HAd:", ["help", "cgi", "port=", "timeout=", "address=", "host-names", "addresses", "domain="]) 155except getopt.GetoptError: 156 usage(2) 157 158for o, a in opts: 159 if o in ("-h", "--help"): 160 usage() 161 162 if o in ("-c", "--cgi"): 163 use_CGI = True 164 165 if o in ("-t", "--timeout"): 166 timeout = int(a) 167 168 if o in ("-p", "--port"): 169 port = int(a) 170 171 if o in ("-a", "--address"): 172 address = a 173 174 if o in ("-H", "--host-names"): 175 use_host_names = True 176 177 if o in ("-A", "--addresses"): 178 use_host_names = False 179 180 if o in ("-d", "--domain"): 181 domain = a 182 183if use_CGI is None: 184 use_CGI = os.environ.has_key("GATEWAY_INTERFACE") 185 186if use_CGI: 187 cgi = AvahiBookmarks(use_host_names) 188 189 mainloop = gobject.MainLoop() 190 gobject.timeout_add(timeout, mainloop.quit) 191 192 try: 193 mainloop.run() 194 except KeyboardInterrupt: 195 pass 196 197 print 'Content-type: text/html\n\n' + cgi.render_html() 198 199else: 200 try: 201 from twisted.internet import glib2reactor 202 glib2reactor.install() 203 from twisted.internet import reactor 204 from twisted.web import server, resource 205 except ImportError: 206 print "Sorry, to use this tool as a server you need to install twisted and twisted.web.\n" 207 sys.exit(1) 208 209 class AvahiBookmarksServer(AvahiBookmarks, resource.Resource): 210 isLeaf = True 211 212 def __init__(self, use_host_names): 213 resource.Resource.__init__(self) 214 AvahiBookmarks.__init__(self, use_host_names) 215 216 def render_GET(self, request): 217 return self.render_html() 218 219 site = server.Site(AvahiBookmarksServer(use_host_names)) 220 reactor.listenTCP(port, site, interface=address) 221 222 print "Now point your web browser to http://%s:%u/!" % (address, port) 223 224 try: 225 reactor.run() 226 except KeyboardInterrupt: 227 pass 228