mitmproxy/examples/contrib/modify_body_inject_iframe.py

24 lines
698 B
Python

# (this script works best with --anticache)
from bs4 import BeautifulSoup
from mitmproxy import ctx
from mitmproxy import http
class Injector:
def load(self, loader):
loader.add_option("iframe", str, "", "IFrame to inject")
def response(self, flow: http.HTTPFlow) -> None:
if ctx.options.iframe:
html = BeautifulSoup(flow.response.content, "html.parser")
if html.body:
iframe = html.new_tag(
"iframe", src=ctx.options.iframe, frameborder=0, height=0, width=0
)
html.body.insert(0, iframe)
flow.response.content = str(html).encode("utf8")
addons = [Injector()]