134 lines
4.9 KiB
Python
Executable File
134 lines
4.9 KiB
Python
Executable File
#!/usr/bin/env python3
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'''
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Onionr - P2P Microblogging Platform & Social network.
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This file contains both the OnionrCommunicate class for communcating with peers
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and code to operate as a daemon, getting commands from the command queue database (see core.Core.daemonQueue)
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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, requests, hmac, hashlib, time, sys, os
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import core
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class OnionrCommunicate:
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def __init__(self, debug, developmentMode):
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''' OnionrCommunicate
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This class handles communication with nodes in the Onionr network.
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'''
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self._core = core.Core()
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blockProcessTimer = 0
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blockProcessAmount = 5
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if debug:
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print('Communicator debugging enabled')
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torID = open('data/hs/hostname').read()
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# get our own PGP fingerprint
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fingerprintFile = 'data/own-fingerprint.txt'
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if not os.path.exists(fingerprintFile):
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self._core.generateMainPGP(torID)
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with open(fingerprintFile,'r') as f:
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self.pgpOwnFingerprint = f.read()
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print('My PGP fingerprint is ' + self.pgpOwnFingerprint)
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while True:
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command = self._core.daemonQueue()
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# Process blocks based on a timer
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blockProcessTimer += 1
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if blockProcessTimer == blockProcessAmount:
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self.lookupBlocks()
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self._core.processBlocks()
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blockProcessTimer = 0
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if debug:
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print('Communicator daemon heartbeat')
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if command != False:
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if command[0] == 'shutdown':
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print('Daemon recieved exit command.')
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break
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time.sleep(1)
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return
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def getRemotePeerKey(self, peerID):
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'''This function contacts a peer and gets their main PGP key.
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This is safe because Tor or I2P is used, but it does not ensure that the person is who they say they are
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'''
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url = 'http://' + peerID + '/public/?action=getPGP'
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r = requests.get(url, headers=headers)
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response = r.text
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return response
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def shareHMAC(self, peerID, key):
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'''This function shares an HMAC key to a peer
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'''
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return
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def getPeerProof(self, peerID):
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'''This function gets the current peer proof requirement'''
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return
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def sendPeerProof(self, peerID, data):
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'''This function sends the proof result to a peer previously fetched with getPeerProof'''
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return
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def lookupBlocks(self):
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'''Lookup blocks and merge new ones'''
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peerList = self._core.listPeers()
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blocks = ''
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for i in peerList:
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lastDB = self._core.getPeerInfo(i, 'blockDBHash')
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currentDB = self.performGet('getDBHash', i)
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if lastDB != currentDB:
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blocks += self.performGet('getBlockHashes', i)
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blockList = blocks.split('\n')
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for i in blockList:
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if not self._core.validateHash(i):
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# skip hash if it isn't valid
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continue
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else:
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print('adding', i, 'to hash database')
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self._core.addToBlockDB(i)
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return
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def performGet(self, action, peer, data=None, type='tor'):
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'''performs a request to a peer through Tor or i2p (currently only tor)'''
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if not peer.endswith('.onion') and not peer.endswith('.onion/'):
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raise PeerError('Currently only Tor .onion peers are supported. You must manually specify .onion')
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socksPort = sys.argv[2]
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proxies = {'http': 'socks5://127.0.0.1:' + str(socksPort), 'https': 'socks5://127.0.0.1:' + str(socksPort)}
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headers = {'user-agent': 'PyOnionr'}
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url = 'http://' + peer + '/public/?action=' + action
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if data != None:
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url = url + '&data=' + data
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try:
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r = requests.get(url, headers=headers, proxies=proxies)
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except requests.exceptions.RequestException:
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return False
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return r.text
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shouldRun = False
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debug = False
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developmentMode = False
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if os.path.exists('dev-enabled'):
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developmentMode = True
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try:
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if sys.argv[1] == 'run':
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shouldRun = True
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except IndexError:
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pass
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if shouldRun:
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try:
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OnionrCommunicate(debug, developmentMode)
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except KeyboardInterrupt:
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pass
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