mirror of
https://github.com/Grasscutters/mitmproxy.git
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120 lines
3.4 KiB
Python
120 lines
3.4 KiB
Python
import os, traceback, threading
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import controller
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class ScriptError(Exception):
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pass
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class ScriptContext:
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def __init__(self, master):
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self._master = master
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def log(self, *args, **kwargs):
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"""
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Logs an event.
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How this is handled depends on the front-end. mitmdump will display
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events if the eventlog flag ("-e") was passed. mitmproxy sends
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output to the eventlog for display ("v" keyboard shortcut).
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"""
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self._master.add_event(*args, **kwargs)
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def duplicate_flow(self, f):
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"""
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Returns a duplicate of the specified flow. The flow is also
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injected into the current state, and is ready for editing, replay,
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etc.
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"""
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self._master.pause_scripts = True
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f = self._master.duplicate_flow(f)
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self._master.pause_scripts = False
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return f
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def replay_request(self, f):
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"""
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Replay the request on the current flow. The response will be added
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to the flow object.
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"""
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self._master.replay_request(f)
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class Script:
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"""
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The instantiator should do something along this vein:
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s = Script(argv, master)
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s.load()
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"""
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def __init__(self, argv, master):
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self.argv = argv
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self.ctx = ScriptContext(master)
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self.ns = None
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self.load()
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def load(self):
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"""
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Loads a module.
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Raises ScriptError on failure, with argument equal to an error
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message that may be a formatted traceback.
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"""
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path = os.path.expanduser(self.argv[0])
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if not os.path.exists(path):
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raise ScriptError("No such file: %s" % path)
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if not os.path.isfile(path):
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raise ScriptError("Not a file: %s" % path)
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ns = {}
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try:
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execfile(path, ns, ns)
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except Exception, v:
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raise ScriptError(traceback.format_exc(v))
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self.ns = ns
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r = self.run("start", self.argv)
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if not r[0] and r[1]:
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raise ScriptError(r[1][1])
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def unload(self):
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return self.run("done")
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def run(self, name, *args, **kwargs):
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"""
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Runs a plugin method.
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Returns:
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(True, retval) on success.
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(False, None) on nonexistent method.
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(False, (exc, traceback string)) if there was an exception.
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"""
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f = self.ns.get(name)
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if f:
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try:
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return (True, f(self.ctx, *args, **kwargs))
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except Exception, v:
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return (False, (v, traceback.format_exc(v)))
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else:
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return (False, None)
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def _handle_concurrent_reply(fn, o, args=[], kwargs={}):
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reply = o.reply
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o.reply = controller.DummyReply()
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def run():
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fn(*args, **kwargs)
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reply(o)
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threading.Thread(target=run).start()
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def concurrent(fn):
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if fn.func_name in ["request", "response", "error"]:
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def _concurrent(ctx, flow):
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r = getattr(flow, fn.func_name)
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_handle_concurrent_reply(fn, r, [ctx, flow])
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return _concurrent
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elif fn.func_name in ["clientconnect", "serverconnect", "clientdisconnect"]:
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def _concurrent(ctx, conn):
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_handle_concurrent_reply(fn, conn, [ctx, conn])
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return _concurrent
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raise NotImplementedError("Concurrent decorator not supported for this method.")
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