mirror of
https://github.com/Grasscutters/mitmproxy.git
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132 lines
3.6 KiB
Python
132 lines
3.6 KiB
Python
import html
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import time
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from typing import Optional, Tuple
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from mitmproxy import flow
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from mitmproxy import version
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from mitmproxy.net import http
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from mitmproxy.utils import compat
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HTTPRequest = http.Request
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HTTPResponse = http.Response
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class HTTPFlow(flow.Flow):
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"""
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An HTTPFlow is a collection of objects representing a single HTTP
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transaction.
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"""
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request: http.Request
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response: Optional[http.Response] = None
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error: Optional[flow.Error] = None
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"""
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Note that it's possible for a Flow to have both a response and an error
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object. This might happen, for instance, when a response was received
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from the server, but there was an error sending it back to the client.
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"""
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server_conn: compat.Server
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client_conn: compat.Client
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intercepted: bool = False
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""" Is this flow currently being intercepted? """
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mode: str
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""" What mode was the proxy layer in when receiving this request? """
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def __init__(self, client_conn, server_conn, live=None, mode="regular"):
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super().__init__("http", client_conn, server_conn, live)
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self.mode = mode
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_stateobject_attributes = flow.Flow._stateobject_attributes.copy()
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# mypy doesn't support update with kwargs
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_stateobject_attributes.update(dict(
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request=http.Request,
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response=http.Response,
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mode=str
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))
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def __repr__(self):
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s = "<HTTPFlow"
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for a in ("request", "response", "error", "client_conn", "server_conn"):
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if getattr(self, a, False):
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s += f"\r\n {a} = {{flow.{a}}}"
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s += ">"
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return s.format(flow=self)
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@property
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def timestamp_start(self) -> float:
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return self.request.timestamp_start
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def copy(self):
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f = super().copy()
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if self.request:
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f.request = self.request.copy()
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if self.response:
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f.response = self.response.copy()
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return f
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def make_error_response(
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status_code: int,
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message: str = "",
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headers: Optional[http.Headers] = None,
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) -> http.Response:
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body: bytes = """
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<html>
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<head>
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<title>{status_code} {reason}</title>
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</head>
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<body>
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<h1>{status_code} {reason}</h1>
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<p>{message}</p>
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</body>
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</html>
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""".strip().format(
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status_code=status_code,
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reason=http.status_codes.RESPONSES.get(status_code, "Unknown"),
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message=html.escape(message),
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).encode("utf8", "replace")
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if not headers:
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headers = http.Headers(
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Server=version.MITMPROXY,
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Connection="close",
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Content_Length=str(len(body)),
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Content_Type="text/html"
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)
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return http.Response.make(status_code, body, headers)
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def make_connect_request(address: Tuple[str, int]) -> http.Request:
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return http.Request(
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host=address[0],
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port=address[1],
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method=b"CONNECT",
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scheme=b"",
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authority=f"{address[0]}:{address[1]}".encode(),
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path=b"",
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http_version=b"HTTP/1.1",
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headers=http.Headers(),
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content=b"",
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trailers=None,
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timestamp_start=time.time(),
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timestamp_end=time.time(),
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)
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def make_connect_response(http_version):
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# Do not send any response headers as it breaks proxying non-80 ports on
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# Android emulators using the -http-proxy option.
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return http.Response(
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http_version,
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200,
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b"Connection established",
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http.Headers(),
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b"",
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None,
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time.time(),
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time.time(),
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)
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def make_expect_continue_response():
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return http.Response.make(100)
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