2014-11-10 14:51:26 +00:00
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# This scripts demonstrates how mitmproxy can switch to a second/different upstream proxy
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2014-09-07 16:01:30 +00:00
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# in upstream proxy mode.
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#
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2015-08-30 22:14:42 +00:00
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# Usage: mitmdump -U http://default-upstream-proxy.local:8080/ -s change_upstream_proxy.py
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#
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# If you want to change the target server, you should modify flow.request.host and flow.request.port
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# flow.live.set_server should only be used by inline scripts to change the upstream proxy.
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2015-05-30 00:03:28 +00:00
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2015-08-30 22:14:42 +00:00
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def proxy_address(flow):
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# Poor man's loadbalancing: route every second domain through the alternative proxy.
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if hash(flow.request.host) % 2 == 1:
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return ("localhost", 8082)
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else:
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return ("localhost", 8081)
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2014-09-07 16:01:30 +00:00
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2014-09-08 14:02:31 +00:00
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def request(context, flow):
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2015-08-30 22:14:42 +00:00
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if flow.request.method == "CONNECT":
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# If the decision is done by domain, one could also modify the server address here.
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# We do it after CONNECT here to have the request data available as well.
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return
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address = proxy_address(flow)
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if flow.live:
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if flow.request.scheme == "http":
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# For a normal HTTP request, we just change the proxy server and we're done!
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if address != flow.live.server_conn.address:
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flow.live.set_server(address, depth=1)
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else:
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# If we have CONNECTed (and thereby established "destination state"), the story is
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# a bit more complex. Now we don't want to change the top level address (which is
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# the connect destination) but the address below that. (Notice the `.via` and depth=2).
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if address != flow.live.server_conn.via.address:
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flow.live.set_server(address, depth=2)
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