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from __future__ import absolute_import, print_function, division
import cgi
import warnings
from mitmproxy.models.flow import Flow
from netlib import version
from netlib.http import Headers
from netlib.http import Request
from netlib.http import Response
from netlib.http import status_codes
from netlib.tcp import Address
class MessageMixin(object):
def get_decoded_content(self):
"""
Returns the decoded content based on the current Content-Encoding
header.
Doesn't change the message iteself or its headers.
"""
warnings.warn(".get_decoded_content() is deprecated, please use .content directly instead.", DeprecationWarning)
return self.content
class HTTPRequest(MessageMixin, Request):
"""
A mitmproxy HTTP request.
This is a very thin wrapper on top of :py:class:`netlib.http.Request` and
may be removed in the future.
"""
def __init__(
self,
first_line_format,
method,
scheme,
host,
port,
path,
http_version,
headers,
content,
timestamp_start=None,
timestamp_end=None,
is_replay=False,
stickycookie=False,
stickyauth=False,
):
Request.__init__(
self,
first_line_format,
method,
scheme,
host,
port,
path,
http_version,
headers,
content,
timestamp_start,
timestamp_end,
)
# Have this request's cookies been modified by sticky cookies or auth?
self.stickycookie = stickycookie
self.stickyauth = stickyauth
# Is this request replayed?
self.is_replay = is_replay
def get_state(self):
state = super(HTTPRequest, self).get_state()
state.update(
stickycookie=self.stickycookie,
stickyauth=self.stickyauth,
is_replay=self.is_replay,
)
return state
def set_state(self, state):
self.stickycookie = state.pop("stickycookie")
self.stickyauth = state.pop("stickyauth")
self.is_replay = state.pop("is_replay")
super(HTTPRequest, self).set_state(state)
@classmethod
def wrap(self, request):
"""
Wraps an existing :py:class:`netlib.http.Request`.
"""
req = HTTPRequest(
first_line_format=request.data.first_line_format,
method=request.data.method,
scheme=request.data.scheme,
host=request.data.host,
port=request.data.port,
path=request.data.path,
http_version=request.data.http_version,
headers=request.data.headers,
content=request.data.content,
timestamp_start=request.data.timestamp_start,
timestamp_end=request.data.timestamp_end,
)
return req
def __hash__(self):
return id(self)
class HTTPResponse(MessageMixin, Response):
"""
A mitmproxy HTTP response.
This is a very thin wrapper on top of :py:class:`netlib.http.Response` and
may be removed in the future.
"""
def __init__(
self,
http_version,
status_code,
reason,
headers,
content,
timestamp_start=None,
timestamp_end=None,
is_replay=False
):
Response.__init__(
self,
http_version,
status_code,
reason,
headers,
content,
timestamp_start=timestamp_start,
timestamp_end=timestamp_end,
)
# Is this request replayed?
self.is_replay = is_replay
self.stream = False
@classmethod
def wrap(self, response):
"""
Wraps an existing :py:class:`netlib.http.Response`.
"""
resp = HTTPResponse(
http_version=response.data.http_version,
status_code=response.data.status_code,
reason=response.data.reason,
headers=response.data.headers,
content=response.data.content,
timestamp_start=response.data.timestamp_start,
timestamp_end=response.data.timestamp_end,
)
return resp
class HTTPFlow(Flow):
"""
A HTTPFlow is a collection of objects representing a single HTTP
transaction.
Attributes:
request: :py:class:`HTTPRequest` object
response: :py:class:`HTTPResponse` object
error: :py:class:`Error` object
server_conn: :py:class:`ServerConnection` object
client_conn: :py:class:`ClientConnection` object
intercepted: Is this flow currently being intercepted?
live: Does this flow have a live client connection?
Note that it's possible for a Flow to have both a response and an error
object. This might happen, for instance, when a response was received
from the server, but there was an error sending it back to the client.
"""
def __init__(self, client_conn, server_conn, live=None):
super(HTTPFlow, self).__init__("http", client_conn, server_conn, live)
self.request = None
"""@type: HTTPRequest"""
self.response = None
"""@type: HTTPResponse"""
_stateobject_attributes = Flow._stateobject_attributes.copy()
_stateobject_attributes.update(
request=HTTPRequest,
response=HTTPResponse
)
def __repr__(self):
s = "<HTTPFlow"
for a in ("request", "response", "error", "client_conn", "server_conn"):
if getattr(self, a, False):
s += "\r\n %s = {flow.%s}" % (a, a)
s += ">"
return s.format(flow=self)
def copy(self):
f = super(HTTPFlow, self).copy()
if self.request:
f.request = self.request.copy()
if self.response:
f.response = self.response.copy()
return f
def replace(self, pattern, repl, *args, **kwargs):
"""
Replaces a regular expression pattern with repl in both request and
response of the flow. Encoded content will be decoded before
replacement, and re-encoded afterwards.
Returns the number of replacements made.
"""
c = self.request.replace(pattern, repl, *args, **kwargs)
if self.response:
c += self.response.replace(pattern, repl, *args, **kwargs)
return c
def make_error_response(status_code, message, headers=None):
response = status_codes.RESPONSES.get(status_code, "Unknown")
body = """
<html>
<head>
<title>%d %s</title>
</head>
<body>%s</body>
</html>
""".strip() % (status_code, response, cgi.escape(message))
body = body.encode("utf8", "replace")
if not headers:
headers = Headers(
Server=version.MITMPROXY,
Connection="close",
Content_Length=str(len(body)),
Content_Type="text/html"
)
return HTTPResponse(
b"HTTP/1.1",
status_code,
response,
headers,
body,
)
def make_connect_request(address):
address = Address.wrap(address)
return HTTPRequest(
"authority", b"CONNECT", None, address.host, address.port, None, b"HTTP/1.1",
Headers(), b""
)
def make_connect_response(http_version):
# Do not send any response headers as it breaks proxying non-80 ports on
# Android emulators using the -http-proxy option.
return HTTPResponse(
http_version,
200,
b"Connection established",
Headers(),
b"",
)
expect_continue_response = HTTPResponse(b"HTTP/1.1", 100, b"Continue", Headers(), b"")
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