This commit is contained in:
yumoqing 2022-02-26 01:09:27 +08:00
parent 7c71f6604d
commit 4edcf6e510
2 changed files with 159 additions and 0 deletions

158
appPublic/across_nat.py Normal file
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@ -0,0 +1,158 @@
from natpmp import NATPMP as pmp
from aioupnp.upnp import UPnP
from requests import get
from .background import Background
class AcrossNat(object):
def __init__(self):
self.external_ip = None
self.upnp = None
self.pmp_supported = True
self.upnp_supported = True
self.init_pmp()
async def init_upnp(self):
if self.upnp is None:
self.upnp = await UPnP.discover()
def init_pmp(self):
try:
self.external_ip = pmp.get_public_address()
except pmp.NATPMPUnsupportedError:
self.pmp_supported = False
def init_upnp(self):
try:
self.upnp = UPnP()
devices = self.upnp.discover()
if len(devices) == 0:
self.upnp_supported = False
except:
self.upnp_supported = False
async def get_external_ip(self):
if self.pmp_supported:
return self._pmp_get_external_ip()
if self.upnp_supported:
return await self.upnp.get_external_ip()
try:
return get('https://api.ipify.org').text
except:
return get('https://ipapi.co/ip/').text
def _pmp_get_external_ip(self):
return pmp.get_public_address()
def _upnp_get_external_ip(self):
await def upnp_map_port(inner_port, protocol='TCP', from_port=40003):
protocol = protocol.upper()
external_port = from_port
while external_port < 52333:
x = await self.upnp.get_specific_port_mapping(external_port, protocol)
if len(x) == 0:
break
external_port += 1
if external_port < 52333:
await self.upnp.add_port_mapping(external_port,
protocol,
inner_port,
lan_address,
desc or 'user added')
return external_port
return None
async 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
raise Exception('not implemented')
async def port_unmap(self, external_port, protocol='TCP'):
protocol = protocol.upper()
if self.upnp_supported:
await self.upnp.delete_port_mapping(external_port, protocol)
raise Exception('not implemented')
def map_port(self, inner_port, protocol='tcp', from_port=40003):
if pmp_supported:
return _map_port(inner_port, protocol=protocol)
return self.upnp.add_port_mapping(
inner_port, protocol=protocol)
pmp_supported = True
"""
_natmap mapping a localhost port to network gateway outter ip's port
input:
port: integer, localhost host port
protocal: string, 'tcp', or 'udp', default is 'tcp'
from_port: integer, the return port will from this prot,
default is 49000, if mapping failed, increases by one,
and try it again.
return:
gateway outter ip's port, if gateway not support natpmp, return None
"""
def pmp_getExtenalIPAddress():
return pmp.get_public_address()
def get_external_ip():
global pmp_supported
if pmp_supported:
try:
return pmp_get_public_address()
except pmp.NATPMPUnsupportedError:
pmp_supported = False
except Exception as e:
raise e
upnp = UPnP()
devices = upnp.discover()
if len(devices) < 1:
return None
d = devices[0]
services = d.get_services()
def _pmp_natmap(innerport,
protocol='tcp',
from_port=49000,
timeout=3600):
gateway = pmp.get_gateway_addr()
ret_port = from_port
while 1:
try:
mode = pmp.NATPMP_PROTOCOL_TCP
if protocol != 'tcp':
mode = pmp.NATPMP_PROTOCOL_UDP
x = pmp.map_port(mode,
ret_port,
innerport,
timeout,
gateway_ip=gateway)
return x.public_port
except pmp.NATPMPUnsupportedError:
return None
except Exception, e:
time.sleep(0.01)
ret_port+=1
if ret_port > 60000:
return None
def natmap(

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@ -7,6 +7,7 @@ numpy
cryptography
brotli
aiohttp
aioupnp
asyncio
requests
jinja2