256 lines
9.2 KiB
Python
Executable File
256 lines
9.2 KiB
Python
Executable File
"""Onionr - Private P2P Communication.
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This file contains both the OnionrCommunicate class for
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communcating with peers and code to operate as a daemon,
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getting commands from the command queue database
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"""
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import time
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import config
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import logger
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import onionrpeers
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import onionrplugins as plugins
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from . import onlinepeers
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from . import uploadqueue
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from communicatorutils import servicecreator
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from communicatorutils import onionrcommunicatortimers
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from communicatorutils import downloadblocks
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from communicatorutils import lookupblocks
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from communicatorutils import lookupadders
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from communicatorutils import connectnewpeers
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from communicatorutils import uploadblocks
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from communicatorutils import announcenode, deniableinserts
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from communicatorutils import cooldownpeer
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from communicatorutils import housekeeping
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from communicatorutils import netcheck
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from onionrthreads import add_onionr_thread
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from onionrcommands.openwebinterface import get_url
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import onionrservices
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from netcontroller import NetController
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from . import bootstrappeers
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from . import daemoneventhooks
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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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OnionrCommunicatorTimers = onionrcommunicatortimers.OnionrCommunicatorTimers
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config.reload()
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class OnionrCommunicatorDaemon:
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def __init__(self, shared_state, developmentMode=None):
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if developmentMode is None:
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developmentMode = config.get('general.dev_mode', False)
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# configure logger and stuff
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self.config = config
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self.shared_state = shared_state # TooManyObjects module
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shared_state.add(self)
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# populate kv values
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self.kv = self.shared_state.get_by_string('DeadSimpleKV')
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if config.get('general.offline_mode', False):
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self.kv.put('isOnline', False)
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# list of timer instances
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self.timers = []
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# initialize core with Tor socks port being 3rd argument
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self.proxyPort = shared_state.get(NetController).socksPort
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self.upload_session_manager = self.shared_state.get(
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uploadblocks.sessionmanager.BlockUploadSessionManager)
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self.shared_state.share_object()
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# loop time.sleep delay in seconds
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self.delay = 1
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# amount of threads running by name, used to prevent too many
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self.threadCounts = {}
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# Loads in and starts the enabled plugins
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plugins.reload()
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# extends our upload list and saves our list when Onionr exits
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uploadqueue.UploadQueue(self)
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add_onionr_thread(
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lookupblocks.lookup_blocks_from_communicator,
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[self.shared_state], 25, 3)
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add_onionr_thread(
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downloadblocks.download_blocks_from_communicator,
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[self.shared_state],
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config.get('timers.getBlocks', 10), 1)
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add_onionr_thread(onlinepeers.clear_offline_peer, [self.kv], 58)
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add_onionr_thread(
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housekeeping.clean_old_blocks, [self.shared_state], 10, 1)
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# Discover new peers
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add_onionr_thread(
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lookupadders.lookup_new_peer_transports_with_communicator,
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[shared_state], 60, 3)
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# Timer for adjusting which peers
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# we actively communicate to at any given time,
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# to avoid over-using peers
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add_onionr_thread(
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cooldownpeer.cooldown_peer, [self.shared_state], 30, 60)
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# Timer to read the upload queue and upload the entries to peers
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add_onionr_thread(
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uploadblocks.upload_blocks_from_communicator,
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[self.shared_state], 5, 1)
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# Setup direct connections
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if config.get('general.ephemeral_tunnels', False):
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self.services = onionrservices.OnionrServices()
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self.active_services = []
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self.service_greenlets = []
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OnionrCommunicatorTimers(
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self, servicecreator.service_creator, 5,
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max_threads=50, my_args=[self])
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else:
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self.services = None
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# {peer_pubkey: ephemeral_address}, the address to reach them
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self.direct_connection_clients = {}
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# This timer creates deniable blocks,
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# in an attempt to further obfuscate block insertion metadata
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if config.get('general.insert_deniable_blocks', True):
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add_onionr_thread(deniableinserts.insert_deniable_block, [], 180, 10)
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if config.get('transports.tor', True):
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# Timer to check for connectivity,
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# through Tor to various high-profile onion services
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OnionrCommunicatorTimers(
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self, netcheck.net_check, 500,
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my_args=[self], max_threads=1)
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# Announce the public API server transport address
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# to other nodes if security level allows
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if config.get('general.security_level', 1) == 0 \
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and config.get('general.announce_node', True):
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# Default to high security level incase config breaks
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announceTimer = OnionrCommunicatorTimers(
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self,
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announcenode.announce_node,
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3600, my_args=[self], requires_peer=True, max_threads=1)
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announceTimer.count = (announceTimer.frequency - 60)
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else:
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logger.debug('Will not announce node.')
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# Timer to delete malfunctioning or long-dead peers
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cleanupTimer = OnionrCommunicatorTimers(
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self, self.peerCleanup, 300, requires_peer=True)
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# Timer to cleanup dead ephemeral forward secrecy keys
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OnionrCommunicatorTimers(
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self, housekeeping.clean_keys, 15, my_args=[self], max_threads=1)
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# Adjust initial timer triggers
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cleanupTimer.count = (cleanupTimer.frequency - 60)
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if config.get('general.use_bootstrap_list', True):
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bootstrappeers.add_bootstrap_list_to_peer_list(
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self.kv, [], db_only=True)
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daemoneventhooks.daemon_event_handlers(shared_state)
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if not config.get('onboarding.done', True):
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logger.info(
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'First run detected. Run openhome to get setup.',
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terminal=True)
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get_url()
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while not config.get('onboarding.done', True) and \
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not self.shared_state.get_by_string(
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'DeadSimpleKV').get('shutdown'):
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try:
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time.sleep(2)
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except KeyboardInterrupt:
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self.shared_state.get_by_string(
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'DeadSimpleKV').put('shutdown', True)
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# Main daemon loop, mainly for calling timers,
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# don't do any complex operations here to avoid locking
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try:
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while not self.shared_state.get_by_string(
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'DeadSimpleKV').get('shutdown'):
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for i in self.timers:
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if self.shared_state.get_by_string(
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'DeadSimpleKV').get('shutdown'):
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break
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i.processTimer()
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time.sleep(self.delay)
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except KeyboardInterrupt:
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self.shared_state.get_by_string(
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'DeadSimpleKV').put('shutdown', True)
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logger.info(
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'Goodbye. (Onionr is cleaning up, and will exit)', terminal=True)
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try:
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self.service_greenlets
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except AttributeError:
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pass
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else:
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# Stop onionr direct connection services
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for server in self.service_greenlets:
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server.stop()
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try:
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time.sleep(0.5)
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except KeyboardInterrupt:
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pass
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def decrementThreadCount(self, threadName):
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"""Decrement amount of a thread name if more than zero.
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called when a function meant to be run in a thread ends
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"""
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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 peerCleanup(self):
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"""This just calls onionrpeers.cleanupPeers.
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Remove dead or bad peers (offline too long, too slow)"""
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onionrpeers.peer_cleanup()
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self.decrementThreadCount('peerCleanup')
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def getPeerProfileInstance(self, peer):
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"""Gets a peer profile instance from the list of profiles"""
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for i in self.kv.get('peerProfiles'):
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# if the peer's profile is already loaded, return that
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if i.address == peer:
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retData = i
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break
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else:
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# if the peer's profile is not loaded, return a new one.
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# connectNewPeer also adds it to the list on connect
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retData = onionrpeers.PeerProfiles(peer)
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self.kv.get('peerProfiles').append(retData)
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return retData
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def startCommunicator(shared_state):
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OnionrCommunicatorDaemon(shared_state)
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