122 lines
4.2 KiB
Python
122 lines
4.2 KiB
Python
'''
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Onionr - Private P2P Communication
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This file contains both the PeerProfiles class for network profiling of Onionr nodes
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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 sqlite3
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import core, config, logger
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config.reload()
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class PeerProfiles:
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'''
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PeerProfiles
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'''
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def __init__(self, address, coreInst):
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self.address = address # node address
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self.score = None
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self.friendSigCount = 0
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self.success = 0
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self.failure = 0
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self.connectTime = None
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if not isinstance(coreInst, core.Core):
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raise TypeError("coreInst must be a type of core.Core")
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self.coreInst = coreInst
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self.loadScore()
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self.getConnectTime()
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return
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def loadScore(self):
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'''Load the node's score from the database'''
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try:
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self.success = int(self.coreInst.getAddressInfo(self.address, 'success'))
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except (TypeError, ValueError) as e:
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self.success = 0
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self.score = self.success
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def getConnectTime(self):
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try:
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self.connectTime = int(self.coreInst.getAddressInfo(self.address, 'lastConnect'))
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except (KeyError, ValueError, TypeError) as e:
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pass
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def saveScore(self):
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'''Save the node's score to the database'''
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self.coreInst.setAddressInfo(self.address, 'success', self.score)
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return
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def addScore(self, toAdd):
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'''Add to the peer's score (can add negative)'''
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self.score += toAdd
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self.saveScore()
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def getScoreSortedPeerList(coreInst):
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if not type(coreInst is core.Core):
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raise TypeError('coreInst must be instance of core.Core')
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peerList = coreInst.listAdders()
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peerScores = {}
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peerTimes = {}
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for address in peerList:
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# Load peer's profiles into a list
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profile = PeerProfiles(address, coreInst)
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peerScores[address] = profile.score
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if not isinstance(profile.connectTime, type(None)):
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peerTimes[address] = profile.connectTime
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else:
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peerTimes[address] = 9000
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# Sort peers by their score, greatest to least, and then last connected time
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peerList = sorted(peerScores, key=peerScores.get, reverse=True)
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peerList = sorted(peerTimes, key=peerTimes.get, reverse=True)
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return peerList
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def peerCleanup(coreInst):
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'''Removes peers who have been offline too long or score too low'''
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if not type(coreInst is core.Core):
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raise TypeError('coreInst must be instance of core.Core')
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logger.info('Cleaning peers...')
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adders = getScoreSortedPeerList(coreInst)
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adders.reverse()
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if len(adders) > 1:
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minScore = int(config.get('peers.minimum_score', -100))
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maxPeers = int(config.get('peers.max_stored', 5000))
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for address in adders:
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# Remove peers that go below the negative score
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if PeerProfiles(address, coreInst).score < minScore:
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coreInst.removeAddress(address)
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try:
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if (int(coreInst._utils.getEpoch()) - int(coreInst.getPeerInfo(address, 'dateSeen'))) >= 600:
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expireTime = 600
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else:
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expireTime = 86400
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coreInst._blacklist.addToDB(address, dataType=1, expire=expireTime)
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except sqlite3.IntegrityError: #TODO just make sure its not a unique constraint issue
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pass
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except ValueError:
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pass
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logger.warn('Removed address ' + address + '.')
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# Unban probably not malicious peers TODO improve
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coreInst._blacklist.deleteExpired(dataType=1)
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