162 lines
4.5 KiB
Python
162 lines
4.5 KiB
Python
from json import dumps, loads
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from twisted.internet.protocol import Factory, Protocol
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import main
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from utils.logging.log import log, warn
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validTypes = [
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"msg",
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"notice",
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"action",
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"who",
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"part",
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"join",
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"kick",
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"quit",
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"nick",
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"topic",
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"mode",
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"conn",
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"znc",
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"query",
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"self",
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"highlight",
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]
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class Relay(Protocol):
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def __init__(self, addr):
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self.addr = addr
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self.authed = False
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self.subscriptions = []
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def send(self, data):
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data += "\r\n"
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data = data.encode("utf-8", "replace")
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self.transport.write(data)
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def sendErr(self, data):
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self.send(dumps({"type": "error", "reason": data}))
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return
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def sendMsg(self, data):
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self.send(dumps(data))
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def dataReceived(self, data):
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data = data.decode("utf-8", "replace")
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try:
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parsed = loads(data)
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except: # noqa: E722
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self.sendErr("MALFORMED")
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return
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if "type" not in parsed.keys():
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self.sendErr("NOTYPE")
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return
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if parsed["type"] == "hello":
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if set(["key", "hello"]).issubset(set(parsed)):
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self.handleHello(parsed)
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else:
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self.sendErr("WRONGFIELDS")
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return
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return
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elif parsed["type"] == "control":
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if "subscribe" in parsed.keys():
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if self.authed:
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self.handleSubscribe(parsed["subscribe"])
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return
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else:
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self.sendErr("DENIED")
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return
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elif "unsubscribe" in parsed.keys():
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if self.authed:
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self.handleUnsubscribe(parsed["unsubscribe"])
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return
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else:
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self.sendErr("DENIED")
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return
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else:
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self.sendErr("UNCLEAR")
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return
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else:
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self.sendErr("UNCLEAR")
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return
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def handleSubscribe(self, lst):
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if not isinstance(lst, list):
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self.sendErr("NOTLIST")
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return
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for i in lst:
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if i not in validTypes:
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self.sendErr("NONEXISTANT")
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return
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if i in self.subscriptions:
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self.sendErr("SUBSCRIBED")
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return
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self.subscriptions.append(i)
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self.sendMsg({"type": "success"})
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return
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def handleUnubscribe(self, lst):
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if not isinstance(lst, list):
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self.sendErr("NOTLIST")
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return
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for i in lst:
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if i not in validTypes:
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self.sendErr("NONEXISTANT")
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return
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if i not in self.subscriptions:
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self.sendErr("NOTSUBSCRIBED")
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return
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del self.subscriptions[i]
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self.sendMsg({"type": "success"})
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return
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def handleHello(self, parsed):
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if parsed["key"] in main.tokens.keys():
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if (
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parsed["hello"] == main.tokens[parsed["key"]]["hello"]
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and main.tokens[parsed["key"]]["usage"] == "relay"
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):
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self.sendMsg({"type": "hello", "hello": main.tokens[parsed["key"]]["counter"]})
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self.authed = True
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else:
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self.transport.loseConnection()
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return
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else:
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self.sendErr("NOKEY")
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return
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def connectionMade(self):
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log("Relay connection from %s:%s" % (self.addr.host, self.addr.port))
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# self.send("Greetings.")
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def connectionLost(self, reason):
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self.authed = False
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log("Relay connection lost from %s:%s -- %s" % (self.addr.host, self.addr.port, reason.getErrorMessage()))
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if self.addr in main.relayConnections.keys():
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del main.relayConnections[self.addr]
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else:
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warn("Tried to remove a non-existant relay connection.")
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class RelayFactory(Factory):
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def buildProtocol(self, addr):
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entry = Relay(addr)
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main.relayConnections[addr] = entry
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return entry
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def send(self, addr, data):
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if addr in main.relayConnections.keys():
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connection = main.relayConnections[addr]
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connection.send(data)
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else:
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return
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def sendRelayNotification(cast):
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for i in main.relayConnections.keys():
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if main.relayConnections[i].authed:
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if cast["type"] in main.relayConnections[i].subscriptions:
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main.relayConnections[i].send(dumps(cast))
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