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25 lines
870 B
Python
25 lines
870 B
Python
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"""
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Process individual messages from a TCP connection.
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This script replaces full occurences of "foo" with "bar" and prints various details for each message.
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Please note that TCP is stream-based and *not* message-based. mitmproxy splits stream contents into "messages"
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as they are received by socket.recv(). This is pretty arbitrary and should not be relied on.
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However, it is sometimes good enough as a quick hack.
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Example Invocation:
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mitmdump --rawtcp --tcp-hosts ".*" -s examples/tcp-simple.py
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"""
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from mitmproxy.utils import strutils
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from mitmproxy import ctx
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from mitmproxy import tcp
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def tcp_message(flow: tcp.TCPFlow):
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message = flow.messages[-1]
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message.content = message.content.replace(b"foo", b"bar")
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ctx.log.info(
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f"tcp_message[from_client={message.from_client}), content={strutils.bytes_to_escaped_str(message.content)}]"
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)
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