Peter Surda
aabf600c38
Two file merge conflicts, __init__.py and upnp.py, were not resolved correctly by the automatic resolving (probably because the affected code was written by other people and I merged them into mailchuck fork). This changes it to the same code that is in the mailchuck fork)
287 lines
11 KiB
Python
287 lines
11 KiB
Python
# A simple upnp module to forward port for BitMessage
|
|
# Reference: http://mattscodecave.com/posts/using-python-and-upnp-to-forward-a-port
|
|
import socket
|
|
from struct import unpack, pack
|
|
import threading
|
|
import time
|
|
from helper_threading import *
|
|
import shared
|
|
import tr
|
|
|
|
def createRequestXML(service, action, arguments=[]):
|
|
from xml.dom.minidom import Document
|
|
|
|
doc = Document()
|
|
|
|
# create the envelope element and set its attributes
|
|
envelope = doc.createElementNS('', 's:Envelope')
|
|
envelope.setAttribute('xmlns:s', 'http://schemas.xmlsoap.org/soap/envelope/')
|
|
envelope.setAttribute('s:encodingStyle', 'http://schemas.xmlsoap.org/soap/encoding/')
|
|
|
|
# create the body element
|
|
body = doc.createElementNS('', 's:Body')
|
|
|
|
# create the function element and set its attribute
|
|
fn = doc.createElementNS('', 'u:%s' % action)
|
|
fn.setAttribute('xmlns:u', 'urn:schemas-upnp-org:service:%s' % service)
|
|
|
|
# setup the argument element names and values
|
|
# using a list of tuples to preserve order
|
|
|
|
# container for created nodes
|
|
argument_list = []
|
|
|
|
# iterate over arguments, create nodes, create text nodes,
|
|
# append text nodes to nodes, and finally add the ready product
|
|
# to argument_list
|
|
for k, v in arguments:
|
|
tmp_node = doc.createElement(k)
|
|
tmp_text_node = doc.createTextNode(v)
|
|
tmp_node.appendChild(tmp_text_node)
|
|
argument_list.append(tmp_node)
|
|
|
|
# append the prepared argument nodes to the function element
|
|
for arg in argument_list:
|
|
fn.appendChild(arg)
|
|
|
|
# append function element to the body element
|
|
body.appendChild(fn)
|
|
|
|
# append body element to envelope element
|
|
envelope.appendChild(body)
|
|
|
|
# append envelope element to document, making it the root element
|
|
doc.appendChild(envelope)
|
|
|
|
# our tree is ready, conver it to a string
|
|
return doc.toxml()
|
|
|
|
class UPnPError(Exception):
|
|
def __init__(self, message):
|
|
self.message
|
|
|
|
class Router:
|
|
name = ""
|
|
path = ""
|
|
address = None
|
|
routerPath = None
|
|
extPort = None
|
|
|
|
def __init__(self, ssdpResponse, address):
|
|
import urllib2
|
|
from xml.dom.minidom import parseString
|
|
from urlparse import urlparse
|
|
from debug import logger
|
|
|
|
self.address = address
|
|
|
|
row = ssdpResponse.split('\r\n')
|
|
header = {}
|
|
for i in range(1, len(row)):
|
|
part = row[i].split(': ')
|
|
if len(part) == 2:
|
|
header[part[0].lower()] = part[1]
|
|
|
|
try:
|
|
self.routerPath = urlparse(header['location'])
|
|
if not self.routerPath or not hasattr(self.routerPath, "hostname"):
|
|
logger.error ("UPnP: no hostname: %s", header['location'])
|
|
except KeyError:
|
|
logger.error ("UPnP: missing location header")
|
|
|
|
# get the profile xml file and read it into a variable
|
|
directory = urllib2.urlopen(header['location']).read()
|
|
|
|
# create a DOM object that represents the `directory` document
|
|
dom = parseString(directory)
|
|
|
|
self.name = dom.getElementsByTagName('friendlyName')[0].childNodes[0].data
|
|
# find all 'serviceType' elements
|
|
service_types = dom.getElementsByTagName('serviceType')
|
|
|
|
for service in service_types:
|
|
if service.childNodes[0].data.find('WANIPConnection') > 0 or \
|
|
service.childNodes[0].data.find('WANPPPConnection') > 0:
|
|
self.path = service.parentNode.getElementsByTagName('controlURL')[0].childNodes[0].data
|
|
|
|
def AddPortMapping(self, externalPort, internalPort, internalClient, protocol, description, leaseDuration = 0, enabled = 1):
|
|
from debug import logger
|
|
resp = self.soapRequest('WANIPConnection:1', 'AddPortMapping', [
|
|
('NewExternalPort', str(externalPort)),
|
|
('NewProtocol', protocol),
|
|
('NewInternalPort', str(internalPort)),
|
|
('NewInternalClient', internalClient),
|
|
('NewEnabled', str(enabled)),
|
|
('NewPortMappingDescription', str(description)),
|
|
('NewLeaseDuration', str(leaseDuration))
|
|
])
|
|
self.extPort = externalPort
|
|
logger.info("Successfully established UPnP mapping for %s:%i on external port %i", internalClient, internalPort, externalPort)
|
|
return resp
|
|
|
|
def DeletePortMapping(self, externalPort, protocol):
|
|
from debug import logger
|
|
resp = self.soapRequest('WANIPConnection:1', 'DeletePortMapping', [
|
|
('NewExternalPort', str(externalPort)),
|
|
('NewProtocol', protocol),
|
|
])
|
|
logger.info("Removed UPnP mapping on external port %i", externalPort)
|
|
return resp
|
|
|
|
def GetExternalIPAddress(self):
|
|
from xml.dom.minidom import parseString
|
|
resp = self.soapRequest('WANIPConnection:1', 'GetExternalIPAddress')
|
|
dom = parseString(resp)
|
|
return dom.getElementsByTagName('NewExternalIPAddress')[0].childNodes[0].data
|
|
|
|
def soapRequest(self, service, action, arguments=[]):
|
|
from xml.dom.minidom import parseString
|
|
from debug import logger
|
|
conn = httplib.HTTPConnection(self.routerPath.hostname, self.routerPath.port)
|
|
conn.request(
|
|
'POST',
|
|
self.path,
|
|
createRequestXML(service, action, arguments),
|
|
{
|
|
'SOAPAction': '"urn:schemas-upnp-org:service:%s#%s"' % (service, action),
|
|
'Content-Type': 'text/xml'
|
|
}
|
|
)
|
|
resp = conn.getresponse()
|
|
conn.close()
|
|
if resp.status == 500:
|
|
respData = resp.read()
|
|
try:
|
|
dom = parseString(respData)
|
|
errinfo = dom.getElementsByTagName('errorDescription')
|
|
if len(errinfo) > 0:
|
|
logger.error("UPnP error: %s", respData)
|
|
raise UPnPError(errinfo[0].childNodes[0].data)
|
|
except:
|
|
raise UPnPError("Unable to parse SOAP error: %s" %(respData))
|
|
return resp
|
|
|
|
class uPnPThread(threading.Thread, StoppableThread):
|
|
SSDP_ADDR = "239.255.255.250"
|
|
GOOGLE_DNS = "8.8.8.8"
|
|
SSDP_PORT = 1900
|
|
SSDP_MX = 2
|
|
SSDP_ST = "urn:schemas-upnp-org:device:InternetGatewayDevice:1"
|
|
|
|
def __init__ (self):
|
|
threading.Thread.__init__(self, name="uPnPThread")
|
|
self.localPort = shared.config.getint('bitmessagesettings', 'port')
|
|
try:
|
|
self.extPort = shared.config.getint('bitmessagesettings', 'extport')
|
|
except:
|
|
self.extPort = None
|
|
self.localIP = self.getLocalIP()
|
|
self.routers = []
|
|
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
|
self.sock.bind((self.localIP, 10000))
|
|
self.sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
|
|
self.sock.settimeout(5)
|
|
self.sendSleep = 60
|
|
self.initStop()
|
|
|
|
def run(self):
|
|
from debug import logger
|
|
|
|
logger.debug("Starting UPnP thread")
|
|
logger.debug("Local IP: %s", self.localIP)
|
|
lastSent = 0
|
|
while shared.shutdown == 0 and shared.safeConfigGetBoolean('bitmessagesettings', 'upnp'):
|
|
if time.time() - lastSent > self.sendSleep and len(self.routers) == 0:
|
|
try:
|
|
self.sendSearchRouter()
|
|
except:
|
|
pass
|
|
lastSent = time.time()
|
|
try:
|
|
while shared.shutdown == 0 and shared.safeConfigGetBoolean('bitmessagesettings', 'upnp'):
|
|
resp,(ip,port) = self.sock.recvfrom(1000)
|
|
if resp is None:
|
|
continue
|
|
newRouter = Router(resp, ip)
|
|
for router in self.routers:
|
|
if router.location == newRouter.location:
|
|
break
|
|
else:
|
|
logger.debug("Found UPnP router at %s", ip)
|
|
self.routers.append(newRouter)
|
|
self.createPortMapping(newRouter)
|
|
shared.UISignalQueue.put(('updateStatusBar', tr._translate("MainWindow",'UPnP port mapping established on port %1').arg(str(self.extPort))))
|
|
break
|
|
except socket.timeout as e:
|
|
pass
|
|
except:
|
|
logger.error("Failure running UPnP router search.", exc_info=True)
|
|
for router in self.routers:
|
|
if router.extPort is None:
|
|
self.createPortMapping(router)
|
|
try:
|
|
self.sock.shutdown(socket.SHUT_RDWR)
|
|
except:
|
|
pass
|
|
try:
|
|
self.sock.close()
|
|
except:
|
|
pass
|
|
deleted = False
|
|
for router in self.routers:
|
|
if router.extPort is not None:
|
|
deleted = True
|
|
self.deletePortMapping(router)
|
|
shared.extPort = None
|
|
if deleted:
|
|
shared.UISignalQueue.put(('updateStatusBar', tr._translate("MainWindow",'UPnP port mapping removed')))
|
|
logger.debug("UPnP thread done")
|
|
|
|
def getLocalIP(self):
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
|
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
|
|
s.connect((uPnPThread.GOOGLE_DNS, 1))
|
|
return s.getsockname()[0]
|
|
|
|
def sendSearchRouter(self):
|
|
from debug import logger
|
|
ssdpRequest = "M-SEARCH * HTTP/1.1\r\n" + \
|
|
"HOST: %s:%d\r\n" % (uPnPThread.SSDP_ADDR, uPnPThread.SSDP_PORT) + \
|
|
"MAN: \"ssdp:discover\"\r\n" + \
|
|
"MX: %d\r\n" % (uPnPThread.SSDP_MX, ) + \
|
|
"ST: %s\r\n" % (uPnPThread.SSDP_ST, ) + "\r\n"
|
|
|
|
try:
|
|
logger.debug("Sending UPnP query")
|
|
self.sock.sendto(ssdpRequest, (uPnPThread.SSDP_ADDR, uPnPThread.SSDP_PORT))
|
|
except:
|
|
logger.exception("UPnP send query failed")
|
|
|
|
def createPortMapping(self, router):
|
|
from debug import logger
|
|
|
|
for i in range(50):
|
|
try:
|
|
routerIP, = unpack('>I', socket.inet_aton(router.address))
|
|
localIP = self.localIP
|
|
if i == 0:
|
|
extPort = self.localPort # try same port first
|
|
elif i == 1 and self.extPort:
|
|
extPort = self.extPort # try external port from last time next
|
|
else:
|
|
extPort = randint(32767, 65535)
|
|
logger.debug("Attempt %i, requesting UPnP mapping for %s:%i on external port %i", i, localIP, self.localPort, extPort)
|
|
router.AddPortMapping(extPort, self.localPort, localIP, 'TCP', 'BitMessage')
|
|
shared.extPort = extPort
|
|
self.extPort = extPort
|
|
shared.config.set('bitmessagesettings', 'extport', str(extPort))
|
|
break
|
|
except UPnPError:
|
|
logger.debug("UPnP error: ", exc_info=True)
|
|
|
|
def deletePortMapping(self, router):
|
|
router.DeletePortMapping(router.extPort, 'TCP')
|
|
|
|
|
|
|