def response(flow: HTTPFlow) -> None:
if is_metadata(flow):
ctx.log.info(f"Deleting a signature...")
else:
ctx.log.debug("skipping non-metadata response...")
return
try:
meta = Metadata.from_flow(flow)
del_sig = meta.signatures.random()
ctx.log.debug(f"deleting sig with keyid: {del_sig.keyid}")
meta.signatures = meta.signatures.remove_key(del_sig.keyid)
flow.response.headers["x-mitm-flow"] = "delete_signature"
flow.response.content = meta.to_json().encode("UTF-8")
except Exception as e:
ctx.log.error(f"Processing error: {e}")
ctx.log.debug(e.__traceback__)
def response(flow: HTTPFlow) -> None:
if is_metadata(flow):
ctx.log.info(f"Randomize the signed version...")
else:
ctx.log.debug("skipping non-metadata response...")
return
try:
meta = Metadata.from_flow(flow)
new_version = randrange(sys.maxsize)
ctx.log.debug(
f"replacing metadata version {meta.version} with {new_version}")
meta.version = new_version
flow.response.headers["x-mitm-flow"] = "randomize_version"
flow.response.content = meta.to_json().encode("UTF-8")
except Exception as e:
ctx.log.error(f"Processing error: {e}")
ctx.log.debug(e.__traceback__)
def response(flow: HTTPFlow) -> None:
if is_metadata(flow):
ctx.log.info(f"Randomizing a signature...")
else:
ctx.log.debug("skipping non-metadata response...")
return
try:
meta = Metadata.from_flow(flow)
old_sig = meta.signatures.random()
new_sig = old_sig.randomize_sig()
ctx.log.debug(f"replacing keyid {old_sig.keyid} with {new_sig}.keyid")
meta.signatures = meta.signatures.replace_key(old_sig.keyid, new_sig)
flow.response.headers["x-mitm-flow"] = "randomize_signature"
flow.response.content = meta.to_json().encode("UTF-8")
except Exception as e:
ctx.log.error(f"Processing error: {e}")
ctx.log.debug(e.__traceback__)
def response(flow: HTTPFlow) -> None:
if is_metadata(flow):
ctx.log.info(f"Replacing a signature with one from another key...")
else:
ctx.log.debug("skipping non-metadata response...")
return
try:
meta = Metadata.from_flow(flow)
rsa = Rsa.from_files(PUB_KEY, PRIV_KEY)
sigs = meta.signatures
old_sig = sigs.random()
ctx.log.debug(f"deleting sig with keyid: {old_sig.keyid}")
new_sig = rsa.sign(meta.canonical_signed().encode("UTF-8"))
ctx.log.debug(f"adding sig with keyid: {new_sig.keyid}")
meta.signatures = sigs.replace_key(old_sig.keyid, new_sig)
flow.response.headers["x-mitm-flow"] = "new_signature"
flow.response.content = meta.to_json().encode("UTF-8")
except Exception as e:
ctx.log.error(f"Processing error: {e}")
ctx.log.debug(e.__traceback__)
def response(flow: HTTPFlow) -> None:
if is_metadata(flow):
ctx.log.debug("skipping metadata response...")
else:
ctx.log.debug("skipping non-metadata response...")