mitmproxy/examples/iframe_injector.py

28 lines
864 B
Python

# Usage: mitmdump -s "iframe_injector.py url"
# (this script works best with --anticache)
from bs4 import BeautifulSoup
from libmproxy.protocol.http import decoded
def start(context, argv):
if len(argv) != 2:
raise ValueError('Usage: -s "iframe_injector.py url"')
context.iframe_url = argv[1]
def response(context, flow):
if flow.request.host in context.iframe_url:
return
with decoded(flow.response): # Remove content encoding (gzip, ...)
html = BeautifulSoup(flow.response.content)
if html.body:
iframe = html.new_tag(
"iframe",
src=context.iframe_url,
frameborder=0,
height=0,
width=0)
html.body.insert(0, iframe)
flow.response.content = str(html)
context.log("Iframe inserted.")