mitmproxy/examples/redirect_requests.py

from libmproxy.protocol.http import HTTPResponse
from netlib.odict import ODictCaseless

"""
This example shows two ways to redirect flows to other destinations.
"""


def request(context, flow):
    # pretty_host(hostheader=True) takes the Host: header of the request into account,
    # which is useful in transparent mode where we usually only have the IP otherwise.

    # Method 1: Answer with a locally generated response
    if flow.request.pretty_host(hostheader=True).endswith("example.com"):
        resp = HTTPResponse(
            [1, 1], 200, "OK",
            ODictCaseless([["Content-Type", "text/html"]]),
            "helloworld")
        flow.reply(resp)

    # Method 2: Redirect the request to a different server
    if flow.request.pretty_host(hostheader=True).endswith("example.org"):
        flow.request.host = "mitmproxy.org"
        flow.request.update_host_header()