def do_pre_handshake(self):
try: # Connect to the proxy first
self._sock = socket.create_connection((self._tunnelHost, self._tunnelPort), self._timeout)
except socket.timeout as e:
raise ProxyError(self.ERR_PROXY_OFFLINE.format(e[0]))
except socket.error as e:
raise ProxyError(self.ERR_PROXY_OFFLINE.format(e[1]))
# Send a CONNECT request with the host we want to tunnel to
self._sock.send(self.HTTP_CONNECT_REQ.format(self._host, self._port))
httpResp = parse_http_response(self._sock.recv(2048))
# Check if the proxy was able to connect to the host
if httpResp.status != 200:
raise ProxyError(self.ERR_CONNECT_REJECTED)
def do_pre_handshake(self):
try: # Connect to the proxy first
self._sock = socket.create_connection(
(self._tunnelHost, self._tunnelPort), self._timeout)
except socket.timeout as e:
raise ProxyError(self.ERR_PROXY_OFFLINE.format(e[0]))
except socket.error as e:
raise ProxyError(self.ERR_PROXY_OFFLINE.format(e[1]))
# Send a CONNECT request with the host we want to tunnel to
self._sock.send(self.HTTP_CONNECT_REQ.format(self._host, self._port))
httpResp = parse_http_response(self._sock.recv(2048))
# Check if the proxy was able to connect to the host
if httpResp.status != 200:
raise ProxyError(self.ERR_CONNECT_REJECTED)
def post_handshake_check(self):
result = ""
try: # Send an HTTP GET to the server and store the HTTP Status Code
self.write(self.HTTP_GET_REQ.format(self._host))
# Parse the response and print the Location header
httpResp = parse_http_response(self.read(2048))
if httpResp.version == 9:
# HTTP 0.9 => Probably not an HTTP response
result = self.ERR_NOT_HTTP
else:
redirect = ""
if httpResp.status >= 300 and httpResp.status < 400:
# Add redirection URL to the result
redirect = " - " + httpResp.getheader("Location", None)
result = self.GET_RESULT_FORMAT.format(httpResp.status, httpResp.reason, redirect)
except socket.timeout:
result = self.ERR_HTTP_TIMEOUT
return result
def post_handshake_check(self):
try: # Send an HTTP GET to the server and store the HTTP Status Code
self.write(self.HTTP_GET_REQ.format(self._host))
# Parse the response and print the Location header
httpResp = parse_http_response(self.read(2048))
if httpResp.version == 9:
# HTTP 0.9 => Probably not an HTTP response
result = self.ERR_NOT_HTTP
else:
redirect = ''
if 300 <= httpResp.status < 400:
# Add redirection URL to the result
redirect = ' - ' + httpResp.getheader('Location', None)
result = self.GET_RESULT_FORMAT.format(httpResp.status,
httpResp.reason,
redirect)
except socket.timeout:
result = self.ERR_HTTP_TIMEOUT
return result
