134 lines
4.7 KiB
Python
134 lines
4.7 KiB
Python
#!/usr/bin/env python
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import getpass
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import sys
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import re
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from optparse import OptionParser
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from minecraft import authentication
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from minecraft.exceptions import YggdrasilError
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from minecraft.networking.connection import Connection
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from minecraft.networking.packets import Packet, clientbound, serverbound
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def get_options():
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parser = OptionParser()
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parser.add_option("-u", "--username", dest="username", default=None,
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help="username to log in with")
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parser.add_option("-p", "--password", dest="password", default=None,
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help="password to log in with")
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parser.add_option("-s", "--server", dest="server", default=None,
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help="server host or host:port "
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"(enclose IPv6 addresses in square brackets)")
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parser.add_option("-o", "--offline", dest="offline", action="store_true",
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help="connect to a server in offline mode "
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"(no password required)")
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parser.add_option("-d", "--dump-packets", dest="dump_packets",
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action="store_true",
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help="print sent and received packets to standard error")
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parser.add_option("-v", "--dump-unknown-packets", dest="dump_unknown",
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action="store_true",
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help="include unknown packets in --dump-packets output")
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(options, args) = parser.parse_args()
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if not options.username:
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options.username = input("Enter your username: ")
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if not options.password and not options.offline:
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options.password = getpass.getpass("Enter your password (leave "
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"blank for offline mode): ")
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options.offline = options.offline or (options.password == "")
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if not options.server:
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options.server = input("Enter server host or host:port "
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"(enclose IPv6 addresses in square brackets): ")
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# Try to split out port and address
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match = re.match(r"((?P<host>[^\[\]:]+)|\[(?P<addr>[^\[\]]+)\])"
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r"(:(?P<port>\d+))?$", options.server)
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if match is None:
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raise ValueError("Invalid server address: '%s'." % options.server)
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options.address = match.group("host") or match.group("addr")
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options.port = int(match.group("port") or 25565)
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return options
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def main():
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options = get_options()
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if options.offline:
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print("Connecting in offline mode...")
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connection = Connection(
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options.address, options.port, username=options.username)
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else:
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auth_token = authentication.AuthenticationToken()
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try:
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auth_token.authenticate(options.username, options.password)
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except YggdrasilError as e:
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print(e)
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sys.exit()
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print("Logged in as %s..." % auth_token.username)
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connection = Connection(
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options.address, options.port, auth_token=auth_token)
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if options.dump_packets:
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def print_incoming(packet):
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if type(packet) is Packet:
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# This is a direct instance of the base Packet type, meaning
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# that it is a packet of unknown type, so we do not print it
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# unless explicitly requested by the user.
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if options.dump_unknown:
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print('--> [unknown packet] %s' % packet, file=sys.stderr)
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else:
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print('--> %s' % packet, file=sys.stderr)
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def print_outgoing(packet):
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print('<-- %s' % packet, file=sys.stderr)
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connection.register_packet_listener(
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print_incoming, Packet, early=True)
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connection.register_packet_listener(
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print_outgoing, Packet, outgoing=True)
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def handle_join_game(join_game_packet):
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print('Connected.')
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connection.register_packet_listener(
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handle_join_game, clientbound.play.JoinGamePacket)
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def print_chat(chat_packet):
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print("Message (%s): %s" % (
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chat_packet.field_string('position'), chat_packet.json_data))
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connection.register_packet_listener(
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print_chat, clientbound.play.ChatMessagePacket)
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connection.connect()
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while True:
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try:
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text = input()
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if text == "/respawn":
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print("respawning...")
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packet = serverbound.play.ClientStatusPacket()
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packet.action_id = serverbound.play.ClientStatusPacket.RESPAWN
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connection.write_packet(packet)
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else:
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packet = serverbound.play.ChatPacket()
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packet.message = text
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connection.write_packet(packet)
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except KeyboardInterrupt:
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print("Bye!")
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sys.exit()
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if __name__ == "__main__":
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main()
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