69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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import logging
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import socket
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import threading
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from .util import receive_line
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class I2PListener(threading.Thread):
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def __init__(self, state, nick, host='127.0.0.1', port=7656):
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super().__init__(name='I2P Listener')
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self.state = state
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self.host = host
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self.port = port
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self.nick = nick
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self.s = None
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self.version_reply = []
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self.new_socket()
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def _receive_line(self):
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line = receive_line(self.s)
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# logging.debug('I2PListener <- %s', line)
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return line
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def _send(self, command):
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# logging.debug('I2PListener -> %s', command)
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self.s.sendall(command)
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def new_socket(self):
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self.s = socket.create_connection((self.host, self.port))
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self._send(b'HELLO VERSION MIN=3.0 MAX=3.3\n')
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self.version_reply = self._receive_line().split()
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assert b'RESULT=OK' in self.version_reply
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self._send(b'STREAM ACCEPT ID=' + self.nick + b'\n')
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reply = self._receive_line().split(b' ')
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assert b'RESULT=OK' in reply
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self.s.settimeout(1)
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def run(self):
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while not self.state.shutting_down:
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try:
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destination = self._receive_line().split()[0]
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logging.info(
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'Incoming I2P connection from: %s', destination.decode())
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hosts = set()
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for c in self.state.connections.copy():
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hosts.add(c.host)
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for d in self.state.i2p_dialers.copy():
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hosts.add(d.destination)
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if destination in hosts:
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logging.debug('Rejecting duplicate I2P connection.')
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self.s.close()
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else:
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c = self.state.connection(
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destination, 'i2p', self.s, 'i2p', True, destination)
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c.start()
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self.state.connections.add(c)
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self.new_socket()
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except socket.timeout:
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pass
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logging.debug('Shutting down I2P Listener')
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