mitmproxy/examples/upsidedownternet.py

18 lines
672 B
Python

import cStringIO
from PIL import Image
from libmproxy.protocol.http import decoded
def response(context, flow):
if flow.response.headers.get_first("content-type", "").startswith("image"):
with decoded(flow.response): # automatically decode gzipped responses.
try:
s = cStringIO.StringIO(flow.response.content)
img = Image.open(s).rotate(180)
s2 = cStringIO.StringIO()
img.save(s2, "png")
flow.response.content = s2.getvalue()
flow.response.headers["content-type"] = ["image/png"]
except: # Unknown image types etc.
pass