+ Have Tor reject socks requests to non-onion services as a small security measure
* More refactoring
This commit is contained in:
Kevin Froman
parent
2879595c66
commit
d17970b181
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@ -21,12 +21,11 @@
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'''
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import sys, os, core, config, json, requests, time, logger, threading, base64, onionr, uuid, binascii
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from dependencies import secrets
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from utils import networkmerger
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import onionrexceptions, onionrpeers, onionrevents as events, onionrplugins as plugins, onionrblockapi as block
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from communicatorutils import onionrdaemontools
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from communicatorutils import servicecreator
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from communicatorutils import onionrdaemontools, servicecreator, onionrcommunicatortimers
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from communicatorutils import proxypicker, downloadblocks, lookupblocks
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from communicatorutils import servicecreator, connectnewpeers, uploadblocks
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import onionrservices, onionr, onionrproofs
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from communicatorutils import onionrcommunicatortimers, proxypicker
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OnionrCommunicatorTimers = onionrcommunicatortimers.OnionrCommunicatorTimers
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@ -181,6 +180,7 @@ class OnionrCommunicatorDaemon:
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for x in newPeers:
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x = x.strip()
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if not self._core._utils.validateID(x) or x in self.newPeers or x == self._core.hsAddress:
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# avoid adding if its our address
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invalid.append(x)
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for x in invalid:
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newPeers.remove(x)
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@ -189,158 +189,19 @@ class OnionrCommunicatorDaemon:
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def lookupBlocks(self):
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'''Lookup new blocks & add them to download queue'''
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logger.info('Looking up new blocks...')
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tryAmount = 2
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newBlocks = ''
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existingBlocks = self._core.getBlockList()
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triedPeers = [] # list of peers we've tried this time around
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maxBacklog = 1560 # Max amount of *new* block hashes to have already in queue, to avoid memory exhaustion
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lastLookupTime = 0 # Last time we looked up a particular peer's list
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for i in range(tryAmount):
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listLookupCommand = 'getblocklist' # This is defined here to reset it each time
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if len(self.blockQueue) >= maxBacklog:
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break
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if not self.isOnline:
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break
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# check if disk allocation is used
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if self._core._utils.storageCounter.isFull():
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logger.debug('Not looking up new blocks due to maximum amount of allowed disk space used')
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break
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peer = self.pickOnlinePeer() # select random online peer
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# if we've already tried all the online peers this time around, stop
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if peer in triedPeers:
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if len(self.onlinePeers) == len(triedPeers):
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break
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else:
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continue
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triedPeers.append(peer)
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# Get the last time we looked up a peer's stamp to only fetch blocks since then.
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# Saved in memory only for privacy reasons
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try:
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lastLookupTime = self.dbTimestamps[peer]
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except KeyError:
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lastLookupTime = 0
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else:
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listLookupCommand += '?date=%s' % (lastLookupTime,)
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try:
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newBlocks = self.peerAction(peer, listLookupCommand) # get list of new block hashes
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except Exception as error:
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logger.warn('Could not get new blocks from %s.' % peer, error = error)
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newBlocks = False
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else:
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self.dbTimestamps[peer] = self._core._utils.getRoundedEpoch(roundS=60)
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if newBlocks != False:
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# if request was a success
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for i in newBlocks.split('\n'):
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if self._core._utils.validateHash(i):
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# if newline seperated string is valid hash
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if not i in existingBlocks:
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# if block does not exist on disk and is not already in block queue
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if i not in self.blockQueue:
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if onionrproofs.hashMeetsDifficulty(i) and not self._core._blacklist.inBlacklist(i):
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if len(self.blockQueue) <= 1000000:
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self.blockQueue[i] = [peer] # add blocks to download queue
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else:
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if peer not in self.blockQueue[i]:
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if len(self.blockQueue[i]) < 10:
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self.blockQueue[i].append(peer)
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self.decrementThreadCount('lookupBlocks')
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return
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lookupblocks.lookup_blocks_from_communicator(self)
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def getBlocks(self):
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'''download new blocks in queue'''
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for blockHash in list(self.blockQueue):
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triedQueuePeers = [] # List of peers we've tried for a block
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try:
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blockPeers = list(self.blockQueue[blockHash])
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except KeyError:
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blockPeers = []
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removeFromQueue = True
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if self.shutdown or not self.isOnline:
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# Exit loop if shutting down or offline
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break
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# Do not download blocks being downloaded or that are already saved (edge cases)
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if blockHash in self.currentDownloading:
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#logger.debug('Already downloading block %s...' % blockHash)
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continue
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if blockHash in self._core.getBlockList():
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#logger.debug('Block %s is already saved.' % (blockHash,))
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try:
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del self.blockQueue[blockHash]
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except KeyError:
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pass
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continue
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if self._core._blacklist.inBlacklist(blockHash):
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continue
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if self._core._utils.storageCounter.isFull():
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break
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self.currentDownloading.append(blockHash) # So we can avoid concurrent downloading in other threads of same block
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if len(blockPeers) == 0:
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peerUsed = self.pickOnlinePeer()
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else:
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blockPeers = self._core._crypto.randomShuffle(blockPeers)
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peerUsed = blockPeers.pop(0)
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downloadblocks.download_blocks_from_communicator(self)
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if not self.shutdown and peerUsed.strip() != '':
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logger.info("Attempting to download %s from %s..." % (blockHash[:12], peerUsed))
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content = self.peerAction(peerUsed, 'getdata/' + blockHash) # block content from random peer (includes metadata)
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if content != False and len(content) > 0:
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try:
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content = content.encode()
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except AttributeError:
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pass
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realHash = self._core._crypto.sha3Hash(content)
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try:
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realHash = realHash.decode() # bytes on some versions for some reason
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except AttributeError:
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pass
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if realHash == blockHash:
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content = content.decode() # decode here because sha3Hash needs bytes above
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metas = self._core._utils.getBlockMetadataFromData(content) # returns tuple(metadata, meta), meta is also in metadata
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metadata = metas[0]
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if self._core._utils.validateMetadata(metadata, metas[2]): # check if metadata is valid, and verify nonce
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if self._core._crypto.verifyPow(content): # check if POW is enough/correct
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logger.info('Attempting to save block %s...' % blockHash[:12])
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try:
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self._core.setData(content)
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except onionrexceptions.DiskAllocationReached:
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logger.error('Reached disk allocation allowance, cannot save block %s.' % blockHash)
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removeFromQueue = False
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else:
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self._core.addToBlockDB(blockHash, dataSaved=True)
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self._core._utils.processBlockMetadata(blockHash) # caches block metadata values to block database
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else:
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logger.warn('POW failed for block %s.' % blockHash)
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else:
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if self._core._blacklist.inBlacklist(realHash):
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logger.warn('Block %s is blacklisted.' % (realHash,))
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else:
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logger.warn('Metadata for block %s is invalid.' % blockHash)
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self._core._blacklist.addToDB(blockHash)
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else:
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# if block didn't meet expected hash
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tempHash = self._core._crypto.sha3Hash(content) # lazy hack, TODO use var
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try:
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tempHash = tempHash.decode()
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except AttributeError:
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pass
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# Punish peer for sharing invalid block (not always malicious, but is bad regardless)
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onionrpeers.PeerProfiles(peerUsed, self._core).addScore(-50)
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if tempHash != 'ed55e34cb828232d6c14da0479709bfa10a0923dca2b380496e6b2ed4f7a0253':
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# Dumb hack for 404 response from peer. Don't log it if 404 since its likely not malicious or a critical error.
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logger.warn('Block hash validation failed for ' + blockHash + ' got ' + tempHash)
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else:
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removeFromQueue = False # Don't remove from queue if 404
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if removeFromQueue:
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try:
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del self.blockQueue[blockHash] # remove from block queue both if success or false
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except KeyError:
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pass
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self.currentDownloading.remove(blockHash)
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self.decrementThreadCount('getBlocks')
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return
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def decrementThreadCount(self, threadName):
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'''Decrement amount of a thread name if more than zero, called when a function meant to be run in a thread ends'''
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try:
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if self.threadCounts[threadName] > 0:
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self.threadCounts[threadName] -= 1
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except KeyError:
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pass
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def pickOnlinePeer(self):
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'''randomly picks peer from pool without bias (using secrets module)'''
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@ -358,14 +219,6 @@ class OnionrCommunicatorDaemon:
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break
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return retData
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def decrementThreadCount(self, threadName):
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'''Decrement amount of a thread name if more than zero, called when a function meant to be run in a thread ends'''
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try:
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if self.threadCounts[threadName] > 0:
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self.threadCounts[threadName] -= 1
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except KeyError:
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pass
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def clearOfflinePeer(self):
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'''Removes the longest offline peer to retry later'''
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try:
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@ -411,62 +264,7 @@ class OnionrCommunicatorDaemon:
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def connectNewPeer(self, peer='', useBootstrap=False):
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'''Adds a new random online peer to self.onlinePeers'''
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retData = False
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tried = self.offlinePeers
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if peer != '':
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if self._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 = self._core.listAdders()
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mainPeerList = self._core.listAdders()
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peerList = onionrpeers.getScoreSortedPeerList(self._core)
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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 self.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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self.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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self.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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if address == self._core.hsAddress:
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continue
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if len(address) == 0 or address in tried or address in self.onlinePeers or address in self.cooldownPeer:
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continue
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if self.shutdown:
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return
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if self.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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networkmerger.mergeAdders(address, self._core)
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if address not in self.onlinePeers:
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logger.info('Connected to ' + address)
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self.onlinePeers.append(address)
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self.connectTimes[address] = self._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 self.peerProfiles:
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if profile.address == address:
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break
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else:
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self.peerProfiles.append(onionrpeers.PeerProfiles(address, self._core))
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break
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else:
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tried.append(address)
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logger.debug('Failed to connect to ' + address)
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return retData
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connectnewpeers.connect_new_peer_to_communicator(self, peer, useBootstrap)
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def removeOnlinePeer(self, peer):
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'''Remove an online peer'''
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@ -584,34 +382,7 @@ class OnionrCommunicatorDaemon:
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def uploadBlock(self):
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'''Upload our block to a few peers'''
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# when inserting a block, we try to upload it to a few peers to add some deniability
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triedPeers = []
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finishedUploads = []
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self.blocksToUpload = self._core._crypto.randomShuffle(self.blocksToUpload)
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if len(self.blocksToUpload) != 0:
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for bl in self.blocksToUpload:
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if not self._core._utils.validateHash(bl):
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logger.warn('Requested to upload invalid block')
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self.decrementThreadCount('uploadBlock')
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return
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for i in range(min(len(self.onlinePeers), 6)):
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peer = self.pickOnlinePeer()
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if peer in triedPeers:
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continue
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triedPeers.append(peer)
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url = 'http://' + peer + '/upload'
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data = {'block': block.Block(bl).getRaw()}
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proxyType = proxypicker.pick_proxy(peer)
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logger.info("Uploading block to " + peer)
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if not self._core._utils.doPostRequest(url, data=data, proxyType=proxyType) == False:
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self._core._utils.localCommand('waitforshare/' + bl, post=True)
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finishedUploads.append(bl)
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for x in finishedUploads:
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try:
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self.blocksToUpload.remove(x)
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except ValueError:
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pass
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self.decrementThreadCount('uploadBlock')
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uploadblocks.upload_blocks_from_communicator(self)
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def announce(self, peer):
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'''Announce to peers our address'''
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@ -0,0 +1,80 @@
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'''
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Onionr - P2P Microblogging Platform & Social network
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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
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import onionrexceptions, logger, onionrpeers
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from utils import networkmerger
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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 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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if address == comm_inst._core.hsAddress:
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continue
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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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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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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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tried.append(address)
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logger.debug('Failed to connect to ' + address)
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return retData
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|
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@ -1,3 +1,22 @@
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'''
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Onionr - P2P Microblogging Platform & Social network
|
||||
|
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Download blocks using the communicator instance
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'''
|
||||
'''
|
||||
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 communicator, onionrexceptions
|
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import logger
|
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|
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|
|
|
|||
|
|
@ -1,3 +1,22 @@
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'''
|
||||
Onionr - P2P Microblogging Platform & Social network
|
||||
|
||||
Lookup new blocks with the communicator using a random connected peer
|
||||
'''
|
||||
'''
|
||||
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 logger, onionrproofs
|
||||
def lookup_blocks_from_communicator(comm_inst):
|
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logger.info('Looking up new blocks...')
|
||||
|
|
|
|||
|
|
@ -0,0 +1,4 @@
|
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class ReverseSync:
|
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def __init__(self, communicator_inst):
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return
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|
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|
|
@ -0,0 +1,52 @@
|
|||
'''
|
||||
Onionr - P2P Microblogging Platform & Social network
|
||||
|
||||
Upload blocks in the upload queue to peers from the communicator
|
||||
'''
|
||||
'''
|
||||
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 logger
|
||||
from communicatorutils import proxypicker
|
||||
import onionrblockapi as block
|
||||
|
||||
def upload_blocks_from_communicator(comm_inst):
|
||||
# when inserting a block, we try to upload it to a few peers to add some deniability
|
||||
triedPeers = []
|
||||
finishedUploads = []
|
||||
comm_inst.blocksToUpload = comm_inst._core._crypto.randomShuffle(comm_inst.blocksToUpload)
|
||||
if len(comm_inst.blocksToUpload) != 0:
|
||||
for bl in comm_inst.blocksToUpload:
|
||||
if not comm_inst._core._utils.validateHash(bl):
|
||||
logger.warn('Requested to upload invalid block')
|
||||
comm_inst.decrementThreadCount('uploadBlock')
|
||||
return
|
||||
for i in range(min(len(comm_inst.onlinePeers), 6)):
|
||||
peer = comm_inst.pickOnlinePeer()
|
||||
if peer in triedPeers:
|
||||
continue
|
||||
triedPeers.append(peer)
|
||||
url = 'http://' + peer + '/upload'
|
||||
data = {'block': block.Block(bl).getRaw()}
|
||||
proxyType = proxypicker.pick_proxy(peer)
|
||||
logger.info("Uploading block to " + peer)
|
||||
if not comm_inst._core._utils.doPostRequest(url, data=data, proxyType=proxyType) == False:
|
||||
comm_inst._core._utils.localCommand('waitforshare/' + bl, post=True)
|
||||
finishedUploads.append(bl)
|
||||
for x in finishedUploads:
|
||||
try:
|
||||
comm_inst.blocksToUpload.remove(x)
|
||||
except ValueError:
|
||||
pass
|
||||
comm_inst.decrementThreadCount('uploadBlock')
|
||||
|
|
@ -96,7 +96,7 @@ class NetController:
|
|||
if 'warn' not in password:
|
||||
break
|
||||
|
||||
torrcData = '''SocksPort ''' + str(self.socksPort) + '''
|
||||
torrcData = '''SocksPort ''' + str(self.socksPort) + ''' OnionTrafficOnly
|
||||
DataDirectory ''' + self.dataDir + '''tordata/
|
||||
CookieAuthentication 1
|
||||
ControlPort ''' + str(controlPort) + '''
|
||||
|
|
@ -110,7 +110,6 @@ HiddenServicePort 80 ''' + self.apiServerIP + ''':''' + str(self.hsPort)
|
|||
torrc = open(self.torConfigLocation, 'w')
|
||||
torrc.write(torrcData)
|
||||
torrc.close()
|
||||
|
||||
return
|
||||
|
||||
def startTor(self):
|
||||
|
|
|
|||
|
|
@ -193,7 +193,8 @@ class OnionrUtils:
|
|||
'''
|
||||
Remove ANSI escape codes from a string with regex
|
||||
|
||||
taken or adapted from: https://stackoverflow.com/a/38662876
|
||||
taken or adapted from: https://stackoverflow.com/a/38662876 by user https://stackoverflow.com/users/802365/%c3%89douard-lopez
|
||||
cc-by-sa-3 license https://creativecommons.org/licenses/by-sa/3.0/
|
||||
'''
|
||||
ansi_escape = re.compile(r'(\x9B|\x1B\[)[0-?]*[ -/]*[@-~]')
|
||||
return ansi_escape.sub('', line)
|
||||
|
|
|
|||
Loading…
Reference in New Issue