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from __future__ import (absolute_import, print_function, division)
from netlib.http import http1
from .http import _HttpTransmissionLayer, HttpLayer
from ..models import HTTPRequest, HTTPResponse
class Http1Layer(_HttpTransmissionLayer):
def __init__(self, ctx, mode):
super(Http1Layer, self).__init__(ctx)
self.mode = mode
def read_request(self):
req = http1.read_request(self.client_conn.rfile, body_size_limit=self.config.body_size_limit)
return HTTPRequest.wrap(req)
def read_request_body(self, request):
expected_size = http1.expected_http_body_size(request)
return http1.read_body(self.client_conn.rfile, expected_size, self.config.body_size_limit)
def send_request(self, request):
self.server_conn.wfile.write(http1.assemble_request(request))
self.server_conn.wfile.flush()
def read_response_headers(self):
resp = http1.read_response_head(self.server_conn.rfile)
return HTTPResponse.wrap(resp)
def read_response_body(self, request, response):
expected_size = http1.expected_http_body_size(request, response)
return http1.read_body(self.server_conn.rfile, expected_size, self.config.body_size_limit)
def send_response_headers(self, response):
raw = http1.assemble_response_head(response)
self.client_conn.wfile.write(raw)
self.client_conn.wfile.flush()
def send_response_body(self, response, chunks):
for chunk in http1.assemble_body(response.headers, chunks):
self.client_conn.wfile.write(chunk)
self.client_conn.wfile.flush()
def check_close_connection(self, flow):
request_close = http1.connection_close(
flow.request.http_version,
flow.request.headers
)
response_close = http1.connection_close(
flow.response.http_version,
flow.response.headers
)
read_until_eof = http1.expected_http_body_size(flow.request, flow.response) == -1
close_connection = request_close or response_close or read_until_eof
if flow.request.form_in == "authority" and flow.response.status_code == 200:
# Workaround for https://github.com/mitmproxy/mitmproxy/issues/313:
# Charles Proxy sends a CONNECT response with HTTP/1.0
# and no Content-Length header
return False
return close_connection
def __call__(self):
layer = HttpLayer(self, self.mode)
layer()
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