Private Decentralized Communication Network
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'''
Onionr - Private P2P Communication
Connect a new peer to our communicator instance. Does so randomly if no peer is specified
'''
'''
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
'''
import time, sys, secrets
import onionrexceptions, logger, onionrpeers
from utils import networkmerger, gettransports
from onionrutils import stringvalidators, epoch
from communicator import peeraction, bootstrappeers
from coredb import keydb
def connect_new_peer_to_communicator(comm_inst, peer='', useBootstrap=False):
config = comm_inst.config
retData = False
tried = comm_inst.offlinePeers
transports = gettransports.get()
if peer != '':
if stringvalidators.validate_transport(peer):
peerList = [peer]
else:
raise onionrexceptions.InvalidAddress('Will not attempt connection test to invalid address')
else:
peerList = keydb.listkeys.list_adders()
mainPeerList = keydb.listkeys.list_adders()
peerList = onionrpeers.get_score_sorted_peer_list()
# If we don't have enough peers connected or random chance, select new peers to try
if len(peerList) < 8 or secrets.randbelow(4) == 3:
tryingNew = []
for x in comm_inst.newPeers:
if x not in peerList:
peerList.append(x)
tryingNew.append(x)
for i in tryingNew:
comm_inst.newPeers.remove(i)
if len(peerList) == 0 or useBootstrap:
# Avoid duplicating bootstrap addresses in peerList
if config.get('general.use_bootstrap_list', True):
bootstrappeers.add_bootstrap_list_to_peer_list(comm_inst, peerList)
for address in peerList:
address = address.strip()
if not config.get('tor.v3onions') and len(address) == 62:
continue
# Don't connect to our own address
if address in transports:
continue
# Don't connect to invalid address or if its already been tried/connected, or if its cooled down
if len(address) == 0 or address in tried or address in comm_inst.onlinePeers or address in comm_inst.cooldownPeer:
continue
if comm_inst.shutdown:
return
# Ping a peer,
ret = peeraction.peer_action(comm_inst, address, 'ping')
if ret == 'pong!':
time.sleep(0.1)
if address not in mainPeerList:
# Add a peer to our list if it isn't already since it successfully connected
networkmerger.mergeAdders(address)
if address not in comm_inst.onlinePeers:
logger.info('Connected to ' + address, terminal=True)
comm_inst.onlinePeers.append(address)
comm_inst.connectTimes[address] = epoch.get_epoch()
retData = address
# add peer to profile list if they're not in it
for profile in comm_inst.peerProfiles:
if profile.address == address:
break
else:
comm_inst.peerProfiles.append(onionrpeers.PeerProfiles(address))
break
else:
# Mark a peer as tried if they failed to respond to ping
tried.append(address)
logger.debug('Failed to connect to %s: %s ' % (address, ret))
return retData