This commit is contained in:
yumoqing 2022-03-09 12:36:24 +08:00
parent a85c2a2879
commit ed3072aa17

View File

@ -1,6 +1,7 @@
from traceback import print_exc
from natpmp import NATPMP as pmp
from aioupnp.upnp import UPnP
import upnpy
from requests import get
from .background import Background
@ -11,10 +12,18 @@ class AcrossNat(object):
self.pmp_supported = True
self.upnp_supported = True
self.init_pmp()
self.init_upnp()
async def init_upnp(self):
if self.upnp is None:
self.upnp = await UPnP.discover()
def init_upnp(self):
try:
upnp = upnpy.UPnP()
igd = upnp.discover()[0]
s_names = [ n for n in igd.services.keys() if n.startswith('WANPPPConn') ]
self.upnp = igd.services[s_names[0]]
except Exception as e:
print(e)
print_exc()
self.upnp_supported = False
def init_pmp(self):
try:
@ -22,71 +31,61 @@ class AcrossNat(object):
except pmp.NATPMPUnsupportedError:
self.pmp_supported = False
async def get_external_ip(self):
def get_external_ip(self):
if self.pmp_supported:
self.external_ip = pmp.get_public_address()
return self.external_ip
if self.upnp_supported:
if self.upnp is None:
await self.init_upnp()
return await self.upnp.get_external_ip()
x = self.upnp.GetExternalIPAddress()
return x['NewExternalIPAddress']
try:
return get('https://api.ipify.org').text
except:
return get('https://ipapi.co/ip/').text
async def upnp_map_port(self, inner_port,
protocol='TCP', from_port=40003, ip=None, desc=None):
def upnp_check_external_port(self, eport, protocol='TCP'):
try:
self.upnp.GetSpecificPortMappingEntry(NewExternalPort=eport,
NewProtocol=protocol,
NewRemoteHost='')
return True
except:
return False
def upnp_map_port(self, inner_port,
protocol='TCP', from_port=40003,
ip=None, desc='test'):
if self.upnp is None:
await self.init_upnp()
protocol = protocol.upper()
if ip is None:
ip = self.upnp.lan_address
all_mappings = [i for i in await self.upnp.get_redirects()]
x = [ i for i in all_mappings if i.internal_port == inner_port \
and i.lan_address == ip \
and i.protocol == protocol ]
if len(x) > 0:
return x[0].external_port
occupied_ports = [ i.external_port for i in all_mappings if i.protocol == protocol ]
external_port = from_port
while external_port < 52333:
if external_port not in occupied_ports:
break
external_port += 1
if external_port < 52333:
await self.upnp.add_port_mapping(external_port,
protocol,
inner_port,
ip,
desc or 'user added')
if self.upnp_map_port_check(external_port, protocol=protocol):
external_port += 1
continue
self.upnp.AddPortMapping(NewRemoteHost='',
NewExternalPort=external_port,
NewProtocol=protocol,
NewInternalPort=inner_port,
NewInternalClient=ip,
NewEnabled=1,
NewPortMappingDescription=desc,
NewLeaseDuration=0
)
return external_port
return None
async def is_port_mapped(self, external_port, protocol='TCP'):
if self.upnp is None:
await self.init_upnp()
def is_port_mapped(self, external_port, protocol='TCP'):
protocol = protocol.upper()
if self.upnp_supported:
x = await self.upnp.get_specific_port_mapping(external_port,
protocol)
if len(x) == 0:
return True
return False
return self.upnp_map_port_check(external_port,
protocol=protocol)
raise Exception('not implemented')
async def port_unmap(self, external_port, protocol='TCP'):
if self.upnp is None:
await self.init_upnp()
def port_unmap(self, external_port, protocol='TCP'):
protocol = protocol.upper()
if self.upnp_supported:
await self.upnp.delete_port_mapping(external_port, protocol)
self.upnp.delete_port_mapping(external_port, protocol)
raise Exception('not implemented')
def pmp_map_port(self, inner_port, protocol='TCP', from_port=40003):
@ -98,9 +97,9 @@ class AcrossNat(object):
lifetime=999999999)
return x.public_port
async def map_port(self, inner_port, protocol='tcp', from_port=40003, lan_ip=None, desc=None):
def map_port(self, inner_port, protocol='tcp', from_port=40003, lan_ip=None, desc=None):
if self.pmp_supported:
return self.pmp_map_port(inner_port, protocol=protocol)
return await self.upnp_map_port( inner_port, protocol=protocol, ip=lan_ip, desc=desc)
return self.upnp_map_port( inner_port, protocol=protocol, ip=lan_ip, desc=desc)