91 lines
3.8 KiB
Python
91 lines
3.8 KiB
Python
'''
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Onionr - Private P2P Communication
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Connect a new peer to our communicator instance. Does so randomly if no peer is specified
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'''
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'''
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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import time, sys
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import onionrexceptions, logger, onionrpeers
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from utils import networkmerger
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# secrets module was added into standard lib in 3.6+
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if sys.version_info[0] == 3 and sys.version_info[1] < 6:
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from dependencies import secrets
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elif sys.version_info[0] == 3 and sys.version_info[1] >= 6:
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import secrets
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def connect_new_peer_to_communicator(comm_inst, peer='', useBootstrap=False):
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config = comm_inst._core.config
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retData = False
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tried = comm_inst.offlinePeers
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if peer != '':
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if comm_inst._core._utils.validateID(peer):
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peerList = [peer]
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else:
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raise onionrexceptions.InvalidAddress('Will not attempt connection test to invalid address')
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else:
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peerList = comm_inst._core.listAdders()
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mainPeerList = comm_inst._core.listAdders()
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peerList = onionrpeers.getScoreSortedPeerList(comm_inst._core)
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# If we don't have enough peers connected or random chance, select new peers to try
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if len(peerList) < 8 or secrets.randbelow(4) == 3:
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tryingNew = []
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for x in comm_inst.newPeers:
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if x not in peerList:
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peerList.append(x)
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tryingNew.append(x)
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for i in tryingNew:
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comm_inst.newPeers.remove(i)
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if len(peerList) == 0 or useBootstrap:
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# Avoid duplicating bootstrap addresses in peerList
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comm_inst.addBootstrapListToPeerList(peerList)
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for address in peerList:
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if not config.get('tor.v3onions') and len(address) == 62:
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continue
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# Don't connect to our own address
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if address == comm_inst._core.hsAddress:
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continue
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# Don't connect to invalid address or if its already been tried/connected, or if its cooled down
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if len(address) == 0 or address in tried or address in comm_inst.onlinePeers or address in comm_inst.cooldownPeer:
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continue
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if comm_inst.shutdown:
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return
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# Ping a peer,
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if comm_inst.peerAction(address, 'ping') == 'pong!':
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time.sleep(0.1)
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if address not in mainPeerList:
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# Add a peer to our list if it isn't already since it successfully connected
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networkmerger.mergeAdders(address, comm_inst._core)
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if address not in comm_inst.onlinePeers:
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logger.info('Connected to ' + address)
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comm_inst.onlinePeers.append(address)
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comm_inst.connectTimes[address] = comm_inst._core._utils.getEpoch()
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retData = address
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# add peer to profile list if they're not in it
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for profile in comm_inst.peerProfiles:
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if profile.address == address:
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break
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else:
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comm_inst.peerProfiles.append(onionrpeers.PeerProfiles(address, comm_inst._core))
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break
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else:
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# Mark a peer as tried if they failed to respond to ping
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tried.append(address)
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logger.debug('Failed to connect to ' + address)
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return retData |