forked from LBRYCommunity/lbry-sdk
497 lines
16 KiB
Python
497 lines
16 KiB
Python
import base64
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import struct
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import io
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives.asymmetric import rsa
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from cryptography.hazmat.primitives import serialization
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from twisted.internet import defer, error
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from twisted.python.failure import Failure
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from lbrynet.core.client.ClientRequest import ClientRequest
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from lbrynet.core.Error import RequestCanceledError
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from lbrynet.core import BlobAvailability
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from lbrynet.core.utils import generate_id
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from lbrynet.dht.node import Node as RealNode
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from lbrynet.daemon import ExchangeRateManager as ERM
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from lbrynet import conf
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from util import debug_kademlia_packet
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KB = 2**10
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PUBLIC_EXPOENT = 65537 # http://www.daemonology.net/blog/2009-06-11-cryptographic-right-answers.html
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def decode_rsa_key(pem_key):
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decoded = base64.b64decode(''.join(pem_key.splitlines()[1:-1]))
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return serialization.load_der_public_key(decoded, default_backend())
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class FakeLBRYFile(object):
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def __init__(self, blob_manager, stream_info_manager, stream_hash, uri="fake_uri"):
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self.blob_manager = blob_manager
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self.stream_info_manager = stream_info_manager
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self.stream_hash = stream_hash
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self.file_name = 'fake_lbry_file'
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class Node(RealNode):
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def joinNetwork(self, known_node_addresses=None):
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return defer.succeed(None)
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def stop(self):
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return defer.succeed(None)
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class FakeNetwork(object):
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@staticmethod
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def get_local_height():
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return 1
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@staticmethod
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def get_server_height():
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return 1
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class BTCLBCFeed(ERM.MarketFeed):
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def __init__(self):
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ERM.MarketFeed.__init__(
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self,
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"BTCLBC",
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"market name",
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"derp.com",
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None,
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0.0
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)
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class USDBTCFeed(ERM.MarketFeed):
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def __init__(self):
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ERM.MarketFeed.__init__(
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self,
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"USDBTC",
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"market name",
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"derp.com",
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None,
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0.0
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)
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class ExchangeRateManager(ERM.ExchangeRateManager):
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def __init__(self, market_feeds, rates):
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self.market_feeds = market_feeds
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for feed in self.market_feeds:
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feed.rate = ERM.ExchangeRate(
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feed.market, rates[feed.market]['spot'], rates[feed.market]['ts'])
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class PointTraderKeyExchanger(object):
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def __init__(self, wallet):
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self.wallet = wallet
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self._protocols = []
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def send_next_request(self, peer, protocol):
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if not protocol in self._protocols:
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r = ClientRequest({'public_key': self.wallet.encoded_public_key},
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'public_key')
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d = protocol.add_request(r)
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d.addCallback(self._handle_exchange_response, peer, r, protocol)
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d.addErrback(self._request_failed, peer)
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self._protocols.append(protocol)
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return defer.succeed(True)
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else:
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return defer.succeed(False)
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def _handle_exchange_response(self, response_dict, peer, request, protocol):
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assert request.response_identifier in response_dict, \
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"Expected %s in dict but did not get it" % request.response_identifier
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assert protocol in self._protocols, "Responding protocol is not in our list of protocols"
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peer_pub_key = response_dict[request.response_identifier]
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self.wallet.set_public_key_for_peer(peer, peer_pub_key)
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return True
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def _request_failed(self, err, peer):
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if not err.check(RequestCanceledError):
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return err
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class PointTraderKeyQueryHandlerFactory(object):
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def __init__(self, wallet):
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self.wallet = wallet
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def build_query_handler(self):
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q_h = PointTraderKeyQueryHandler(self.wallet)
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return q_h
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def get_primary_query_identifier(self):
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return 'public_key'
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def get_description(self):
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return ("Point Trader Address - an address for receiving payments on the "
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"point trader testing network")
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class PointTraderKeyQueryHandler(object):
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def __init__(self, wallet):
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self.wallet = wallet
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self.query_identifiers = ['public_key']
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self.public_key = None
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self.peer = None
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def register_with_request_handler(self, request_handler, peer):
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self.peer = peer
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request_handler.register_query_handler(self, self.query_identifiers)
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def handle_queries(self, queries):
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if self.query_identifiers[0] in queries:
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new_encoded_pub_key = queries[self.query_identifiers[0]]
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try:
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decode_rsa_key(new_encoded_pub_key)
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except (ValueError, TypeError, IndexError):
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return defer.fail(Failure(ValueError("Client sent an invalid public key: {}".format(new_encoded_pub_key))))
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self.public_key = new_encoded_pub_key
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self.wallet.set_public_key_for_peer(self.peer, self.public_key)
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fields = {'public_key': self.wallet.encoded_public_key}
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return defer.succeed(fields)
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if self.public_key is None:
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return defer.fail(Failure(ValueError("Expected but did not receive a public key")))
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else:
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return defer.succeed({})
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class Wallet(object):
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def __init__(self):
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self.private_key = rsa.generate_private_key(public_exponent=PUBLIC_EXPOENT,
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key_size=1024, backend=default_backend())
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self.encoded_public_key = self.private_key.public_key().public_bytes(serialization.Encoding.PEM,
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serialization.PublicFormat.PKCS1)
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self._config = None
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self.network = None
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self.wallet = None
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self.is_first_run = False
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self.printed_retrieving_headers = False
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self._start_check = None
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self._catch_up_check = None
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self._caught_up_counter = 0
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self._lag_counter = 0
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self.blocks_behind = 0
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self.catchup_progress = 0
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self.max_behind = 0
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def start(self):
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return defer.succeed(True)
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def stop(self):
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return defer.succeed(True)
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def get_info_exchanger(self):
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return PointTraderKeyExchanger(self)
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def get_wallet_info_query_handler_factory(self):
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return PointTraderKeyQueryHandlerFactory(self)
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def reserve_points(self, *args):
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return True
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def cancel_point_reservation(self, *args):
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pass
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def send_points(self, *args):
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return defer.succeed(True)
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def add_expected_payment(self, *args):
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pass
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def get_balance(self):
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return defer.succeed(1000)
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def set_public_key_for_peer(self, peer, public_key):
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pass
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def get_claim_metadata_for_sd_hash(self, sd_hash):
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return "fakeuri", "aa04a949348f9f094d503e5816f0cfb57ee68a22f6d08d149217d071243e0377", 1
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def get_claimid(self, name, txid=None, nout=None):
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return "aa04a949348f9f094d503e5816f0cfb57ee68a22f6d08d149217d071243e0378"
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class PeerFinder(object):
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def __init__(self, start_port, peer_manager, num_peers):
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self.start_port = start_port
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self.peer_manager = peer_manager
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self.num_peers = num_peers
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self.count = 0
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def find_peers_for_blob(self, h, filter_self=False):
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peer_port = self.start_port + self.count
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self.count += 1
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if self.count >= self.num_peers:
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self.count = 0
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return defer.succeed([self.peer_manager.get_peer("127.0.0.1", peer_port)])
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def run_manage_loop(self):
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pass
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def stop(self):
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pass
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class Announcer(object):
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def __init__(self, *args):
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pass
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def hash_queue_size(self):
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return 0
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def add_supplier(self, supplier):
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pass
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def immediate_announce(self, *args):
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pass
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def run_manage_loop(self):
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pass
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def start(self):
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pass
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def stop(self):
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pass
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def get_next_announce_time(self):
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return 0
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class GenFile(io.RawIOBase):
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def __init__(self, size, pattern):
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io.RawIOBase.__init__(self)
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self.size = size
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self.pattern = pattern
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self.read_so_far = 0
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self.buff = b''
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self.last_offset = 0
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self.name = "."
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def readable(self):
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return True
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def writable(self):
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return False
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def read(self, n=-1):
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if n > -1:
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bytes_to_read = min(n, self.size - self.read_so_far)
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else:
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bytes_to_read = self.size - self.read_so_far
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output, self.buff = self.buff[:bytes_to_read], self.buff[bytes_to_read:]
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bytes_to_read -= len(output)
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while bytes_to_read > 0:
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self.buff = self._generate_chunk()
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new_output, self.buff = self.buff[:bytes_to_read], self.buff[bytes_to_read:]
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bytes_to_read -= len(new_output)
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output += new_output
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self.read_so_far += len(output)
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return output
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def readall(self):
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return self.read()
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def _generate_chunk(self, size=KB):
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output = self.pattern[self.last_offset:self.last_offset + size]
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n_left = size - len(output)
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whole_patterns = n_left / len(self.pattern)
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output += self.pattern * whole_patterns
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self.last_offset = size - len(output)
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output += self.pattern[:self.last_offset]
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return output
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class BlobAvailabilityTracker(BlobAvailability.BlobAvailabilityTracker):
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"""
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Class to track peer counts for known blobs, and to discover new popular blobs
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Attributes:
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availability (dict): dictionary of peers for known blobs
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"""
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def __init__(self, blob_manager=None, peer_finder=None, dht_node=None):
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self.availability = {
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'91dc64cf1ff42e20d627b033ad5e4c3a4a96856ed8a6e3fb'
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'4cd5fa1cfba4bf72eefd325f579db92f45f4355550ace8e7': ['1.2.3.4'],
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'b2e48bb4c88cf46b76adf0d47a72389fae0cd1f19ed27dc5'
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'09138c99509a25423a4cef788d571dca7988e1dca69e6fa0': ['1.2.3.4', '1.2.3.4'],
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'6af95cd062b4a179576997ef1054c9d2120f8592eea045e9'
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'667bea411d520262cd5a47b137eabb7a7871f5f8a79c92dd':
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['1.2.3.4', '1.2.3.4', '1.2.3.4'],
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'6d8017aba362e5c5d0046625a039513419810a0397d72831'
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'8c328a5cc5d96efb589fbca0728e54fe5adbf87e9545ee07':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4'],
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'5a450b416275da4bdff604ee7b58eaedc7913c5005b7184f'
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'c3bc5ef0b1add00613587f54217c91097fc039ed9eace9dd':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4'],
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'd7c82e6cac093b3f16107d2ae2b2c75424f1fcad2c7fbdbe'
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'66e4a13c0b6bd27b67b3a29c403b82279ab0f7c1c48d6787':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4'],
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'9dbda74a472a2e5861a5d18197aeba0f5de67c67e401124c'
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'243d2f0f41edf01d7a26aeb0b5fc9bf47f6361e0f0968e2c':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4'],
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'8c70d5e2f5c3a6085006198e5192d157a125d92e73787944'
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'72007a61947992768926513fc10924785bdb1761df3c37e6':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4',
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'1.2.3.4'],
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'f99d24cd50d4bfd77c2598bfbeeb8415bf0feef21200bdf0'
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'b8fbbde7751a77b7a2c68e09c25465a2f40fba8eecb0b4e0':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4',
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'1.2.3.4', '1.2.3.4'],
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'c84aa1fd8f5009f7c4e71e444e40d95610abc1480834f835'
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'eefb267287aeb10025880a3ce22580db8c6d92efb5bc0c9c':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4',
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'1.2.3.4', '1.2.3.4', '1.2.3.4'],
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}
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self._blob_manager = None
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self._peer_finder = PeerFinder(11223, 11224, 2)
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self._dht_node = None
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self._check_popular = None
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self._check_mine = None
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self._set_mean_peers()
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def start(self):
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pass
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def stop(self):
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pass
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create_stream_sd_file = {
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'stream_name': '746573745f66696c65',
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'blobs': [
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{
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'length': 2097152,
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'blob_num': 0,
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'blob_hash': 'dc4708f76a5e7af0f1cae0ee96b824e2ed9250c9346c093b'
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'441f0a20d3607c17948b6fcfb4bc62020fe5286693d08586',
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'iv': '30303030303030303030303030303031'
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},
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{
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'length': 2097152,
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'blob_num': 1,
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'blob_hash': 'f4067522c1b49432a2a679512e3917144317caa1abba0c04'
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'1e0cd2cf9f635d4cf127ce1824fa04189b63916174951f70',
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'iv': '30303030303030303030303030303032'
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},
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{
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'length': 1015056,
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'blob_num': 2,
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'blob_hash': '305486c434260484fcb2968ce0e963b72f81ba56c11b08b1'
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'af0789b55b44d78422600f9a38e3cf4f2e9569897e5646a9',
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'iv': '30303030303030303030303030303033'
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},
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{'length': 0, 'blob_num': 3, 'iv': '30303030303030303030303030303034'}
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],
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'stream_type': 'lbryfile',
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'key': '30313233343536373031323334353637',
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'suggested_file_name': '746573745f66696c65',
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'stream_hash': '6d27fbe10c86d81aacfb897c7a426d0a2214f5a299455a6d'
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'315c0f998c4b3545c2dc60906122d94653c23b1898229e3f'
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}
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def mock_conf_settings(obj, settings={}):
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conf.initialize_settings(False)
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original_settings = conf.settings
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conf.settings = conf.Config(conf.FIXED_SETTINGS, conf.ADJUSTABLE_SETTINGS)
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conf.settings.installation_id = conf.settings.get_installation_id()
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conf.settings.node_id = conf.settings.get_node_id()
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conf.settings.update(settings)
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def _reset_settings():
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conf.settings = original_settings
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obj.addCleanup(_reset_settings)
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MOCK_DHT_NODES = [
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"000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
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"DEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEF",
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]
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MOCK_DHT_SEED_DNS = { # these map to mock nodes 0, 1, and 2
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"lbrynet1.lbry.io": "10.42.42.1",
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"lbrynet2.lbry.io": "10.42.42.2",
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"lbrynet3.lbry.io": "10.42.42.3",
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}
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def resolve(name, timeout=(1, 3, 11, 45)):
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if name not in MOCK_DHT_SEED_DNS:
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return defer.fail(error.DNSLookupError(name))
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return defer.succeed(MOCK_DHT_SEED_DNS[name])
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class MockUDPTransport(object):
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def __init__(self, address, port, max_packet_size, protocol):
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self.address = address
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self.port = port
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self.max_packet_size = max_packet_size
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self._node = protocol._node
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def write(self, data, address):
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dest = MockNetwork.peers[address][0]
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debug_kademlia_packet(data, (self.address, self.port), address, self._node)
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dest.datagramReceived(data, (self.address, self.port))
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class MockUDPPort(object):
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def __init__(self, protocol):
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self.protocol = protocol
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def startListening(self, reason=None):
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return self.protocol.startProtocol()
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def stopListening(self, reason=None):
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return self.protocol.stopProtocol()
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class MockNetwork(object):
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peers = {} # (interface, port): (protocol, max_packet_size)
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@classmethod
|
|
def add_peer(cls, port, protocol, interface, maxPacketSize):
|
|
interface = protocol._node.externalIP
|
|
protocol.transport = MockUDPTransport(interface, port, maxPacketSize, protocol)
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|
cls.peers[(interface, port)] = (protocol, maxPacketSize)
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|
|
|
|
|
def listenUDP(port, protocol, interface='', maxPacketSize=8192):
|
|
MockNetwork.add_peer(port, protocol, interface, maxPacketSize)
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|
return MockUDPPort(protocol)
|
|
|
|
|
|
def address_generator(address=(10, 42, 42, 1)):
|
|
def increment(addr):
|
|
value = struct.unpack("I", "".join([chr(x) for x in list(addr)[::-1]]))[0] + 1
|
|
new_addr = []
|
|
for i in range(4):
|
|
new_addr.append(value % 256)
|
|
value >>= 8
|
|
return tuple(new_addr[::-1])
|
|
|
|
while True:
|
|
yield "{}.{}.{}.{}".format(*address)
|
|
address = increment(address)
|
|
|
|
|
|
def mock_node_generator(count=None, mock_node_ids=MOCK_DHT_NODES):
|
|
if mock_node_ids is None:
|
|
mock_node_ids = MOCK_DHT_NODES
|
|
|
|
for num, node_ip in enumerate(address_generator()):
|
|
if count and num >= count:
|
|
break
|
|
if num >= len(mock_node_ids):
|
|
node_id = generate_id().encode('hex')
|
|
else:
|
|
node_id = mock_node_ids[num]
|
|
yield (node_id, node_ip)
|