2018-11-05 12:39:02 +00:00
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import time
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from src import ModuleManager, utils
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class Module(ModuleManager.BaseModule):
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def _set_policy(self, server, port, duration):
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expiration = None
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if duration:
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expiration = time.time()+int(duration)
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server.set_setting("sts-policy", {
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"port": port,
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"expiration": expiration})
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def _change_duration(self, server, info):
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port = event["server"].port
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if "port" in info:
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port = int(info["port"])
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2018-11-05 12:59:40 +00:00
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self._set_policy(server, port, info["duration"])
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2018-11-05 12:39:02 +00:00
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@utils.hook("received.cap.ls")
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def on_cap_ls(self, event):
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has_sts = "sts" in event["capabilities"]
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if "sts" in event["capabilities"]:
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info = utils.parse.keyvalue(event["capabilities"]["sts"],
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delimiter=",")
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if not event["server"].tls:
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self._set_policy(event["server"], int(info["port"]),
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None)
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event["server"].disconnect()
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else:
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self._change_duration(event["server"], info)
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@utils.hook("received.cap.new")
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def on_cap_new(self, event):
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if "sts" in event["capabilities"] and event["server"].tls:
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if event["server"].tls:
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self._change_duration(event["server"], info)
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@utils.hook("new.server")
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def new_server(self, event):
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sts_policy = event["server"].get_setting("sts-policy")
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if sts_policy and not event["server"].tls:
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expiration = sts_policy["expiration"]
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if not expiration or time.time() <= expiration:
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self.log.debug("Applying STS policy for '%s'",
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[str(event["server"])])
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event["server"].tls = True
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event["server"].port = sts_policy["port"]
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