def getDownloader (self, client, host, port, command, request):
downloader = self.byclient.get(client, None)
if downloader:
# NOTE: with pipeline, consequent request could go to other sites if the browser knows we are a proxy
# NOTE: therefore the second request could reach the first site
# NOTE: and we could kill the connection before the data is fully back to the client
# NOTE: in practice modern browser are too clever and test for it !
if host != downloader.host or port != downloader.port:
self.endClientDownload(client)
downloader = None
else:
newdownloader = False
if isipv4(host):
bind = self.configuration.tcp4.bind
elif isipv6(host):
bind = self.configuration.tcp6.bind
else:
# should really never happen
self.log.critical('the host IP address is neither IPv4 or IPv6 .. what year is it ?')
return None, False
if downloader is None:
if self.configuration.security.deny:
# deny connecton to the deny list
if ':' in host:
pr = 6
high,low = struct.unpack('!QQ',socket.inet_pton(socket.AF_INET6,host))
ip = (high << 64) + low
else:
pr = 4
ip = struct.unpack('!L',socket.inet_pton(socket.AF_INET,host))[0]
for proto, start, end in self.configuration.security.deny:
if pr != proto:
continue
if start <= ip <= end:
return None, False
# supervisor.local is replaced when interface are changed, so do not cache or reference it in this class
if host in self.supervisor.local:
for h,p in self.configuration.security.local:
if (h == '*' or h == host) and (p == '*' or p == port):
break
else:
# we did not break
return None, False
downloader = self.downloader_factory(client, host, port, bind, command, request, self.log)
newdownloader = True
if downloader.sock is None:
return None, False
return downloader, newdownloader
def getDownloader(self, client_id, host, port, command, request):
downloader = self.byclientid.get(client_id, None)
if downloader:
# NOTE: with pipeline, consequent request could go to other sites if the browser knows we are a proxy
# NOTE: therefore the second request could reach the first site
# NOTE: and we could kill the connection before the data is fully back to the client
# NOTE: in practice modern browser are too clever and test for it !
if host != downloader.host or port != downloader.port:
self.endClientDownload(client_id)
downloader = None
else:
newdownloader = False
if isipv4(host):
bind = self.configuration.tcp4.bind
elif isipv6(host):
bind = self.configuration.tcp6.bind
else:
# should really never happen
self.log.critical(
'the host IP address is neither IPv4 or IPv6 .. what year is it ?'
)
return None, False
if downloader is None:
# supervisor.local is replaced when interface are changed, so do not cache or reference it in this class
if host in self.supervisor.local:
for h, p in self.configuration.security.local:
if (h == '*' or h == host) and (p == '*' or p == port):
break
else:
# we did not break
return None, False
downloader = self.downloader_factory(client_id, host, port, bind,
command, request, self.log)
newdownloader = True
if downloader.sock is None:
return None, False
return downloader, newdownloader
def getDownloader(self, client_id, host, port, command, request):
downloader = self.byclientid.get(client_id, None)
if downloader:
# NOTE: with pipeline, consequent request could go to other sites if the browser knows we are a proxy
# NOTE: therefore the second request could reach the first site
# NOTE: and we could kill the connection before the data is fully back to the client
# NOTE: in practice modern browser are too clever and test for it !
if host != downloader.host or port != downloader.port:
self.endClientDownload(client_id)
downloader = None
else:
newdownloader = False
if isipv4(host):
bind = self.configuration.tcp4.bind
elif isipv6(host):
bind = self.configuration.tcp6.bind
else:
# should really never happen
self.log.critical('the host IP address is neither IPv4 or IPv6 .. what year is it ?')
return None, False
if downloader is None:
# supervisor.local is replaced when interface are changed, so do not cache or reference it in this class
if host in self.supervisor.local:
for h,p in self.configuration.security.local:
if (h == '*' or h == host) and (p == '*' or p == port):
break
else:
# we did not break
return None, False
downloader = self.downloader_factory(client_id, host, port, bind, command, request, self.log)
newdownloader = True
if downloader.sock is None:
return None, False
return downloader, newdownloader
def getDownloader(self, client, host, port, command, request):
downloader = self.byclient.get(client, None)
if downloader:
# NOTE: with pipeline, consequent request could go to other sites if the browser knows we are a proxy
# NOTE: therefore the second request could reach the first site
# NOTE: and we could kill the connection before the data is fully back to the client
# NOTE: in practice modern browser are too clever and test for it !
if host != downloader.host or port != downloader.port:
self.endClientDownload(client)
downloader = None
else:
newdownloader = False
if isipv4(host):
bind = self.configuration.tcp4.bind
elif isipv6(host):
bind = self.configuration.tcp6.bind
else:
# should really never happen
self.log.critical(
'the host IP address is neither IPv4 or IPv6 .. what year is it ?'
)
return None, False
if downloader is None:
if self.configuration.security.deny:
# deny connecton to the deny list
if ':' in host:
pr = 6
high, low = struct.unpack(
'!QQ', socket.inet_pton(socket.AF_INET6, host))
ip = (high << 64) + low
else:
pr = 4
ip = struct.unpack('!L',
socket.inet_pton(socket.AF_INET,
host))[0]
for proto, start, end in self.configuration.security.deny:
if pr != proto:
continue
if start <= ip <= end:
return None, False
# supervisor.local is replaced when interface are changed, so do not cache or reference it in this class
if host in self.supervisor.local:
for h, p in self.configuration.security.local:
if (h == '*' or h == host) and (p == '*' or p == port):
break
else:
# we did not break
return None, False
downloader = self.downloader_factory(client, host, port, bind,
command, request, self.log)
newdownloader = True
if downloader.sock is None:
return None, False
return downloader, newdownloader