73 lines
2.8 KiB
Python
73 lines
2.8 KiB
Python
import time
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from src import ModuleManager, utils
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class Module(ModuleManager.BaseModule):
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def _get_policy(self, server):
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return server.get_setting("sts-policy", None)
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def _set_policy(self, server, policy):
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self.log.trace("Setting STS policy for '%s': %s", [str(server), policy])
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server.set_setting("sts-policy", policy)
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def _remove_policy(self, server):
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server.del_setting("sts-policy")
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def _set_policy(self, server, port, duration, one_shot):
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expiration = None
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self._set_policy(server, {
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"port": port,
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"from": time.time(),
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"duration": duration,
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"one-shot": one_shot})
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def _change_duration(self, server, info):
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duration = int(info["duration"])
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if duration == 0:
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self._remove_policy(server)
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else:
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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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self._set_policy(server, port, duration, False)
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def _get_sts(self, capabilities):
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return capabilities.get("sts", capabilities.get("draft/sts", None))
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@utils.hook("received.cap.ls")
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def on_cap_ls(self, event):
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sts = self._get_sts(event["capabilities"])
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if sts:
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info = utils.parse.keyvalue(sts, 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, True)
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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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sts = self._get_sts(event["capabilities"])
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if sts and event["server"].tls:
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info = utils.parse.keyvalue(sts, delimiter=",")
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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 = self._get_policy(event["server"])
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if sts_policy:
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if sts_policy["one-shot"]:
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self._remove_policy(event["server"])
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if not event["server"].tls:
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expiration = sts_policy["from"]+sts_policy
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if not sts_policy["duration"] or time.time() <= (
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sts_policy["from"]+sts_policy["duration"]):
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self.log.trace("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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@utils.hook("server.disconnect")
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def on_disconnect(self, event):
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sts_policy = self._get_policy(event["server"])
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if sts_policy and sts_policy["duration"]:
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sts_policy["from"] = time.time()
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self._set_policy(event["server"], sts_policy)
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