mitmproxy/examples/simple/modify_body_inject_iframe.py

27 lines
761 B
Python

# (this script works best with --anticache)
from bs4 import BeautifulSoup
from mitmproxy import ctx, 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()]