Onionr/src/communicator/peeraction.py

79 lines
2.9 KiB
Python

"""Onionr - Private P2P Communication.
This file implements logic for performing requests to Onionr peers
"""
from typing import TYPE_CHECKING
import streamedrequests
import logger
from onionrutils import epoch, basicrequests
from coredb import keydb
from . import onlinepeers
from onionrtypes import OnionAddressString
from onionrpeers.peerprofiles import PeerProfiles
from etc.waitforsetvar import wait_for_set_var
"""
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/>.
"""
def get_peer_profile(kv, address: OnionAddressString) -> 'PeerProfiles':
profile_inst_list = kv.get('peerProfiles')
for profile in profile_inst_list:
if profile.address == address:
return profile
p = PeerProfiles(address)
profile_inst_list.append(p)
return p
def peer_action(shared_state, peer, action,
returnHeaders=False, max_resp_size=5242880):
"""Perform a get request to a peer."""
penalty_score = -10
kv: "DeadSimpleKV" = shared_state.get_by_string("DeadSimpleKV")
if len(peer) == 0:
return False
url = 'http://%s/%s' % (peer, action)
try:
ret_data = basicrequests.do_get_request(url, port=kv.get('proxyPort'),
max_size=max_resp_size)
except streamedrequests.exceptions.ResponseLimitReached:
logger.warn(
'Request failed due to max response size being overflowed',
terminal=True)
ret_data = False
penalty_score = -100
# if request failed, (error), mark peer offline
if ret_data is False:
try:
get_peer_profile(kv, peer).addScore(penalty_score)
onlinepeers.remove_online_peer(kv, peer)
keydb.transportinfo.set_address_info(
peer, 'lastConnectAttempt', epoch.get_epoch())
if action != 'ping' and not kv.get('shutdown'):
logger.warn(f'Lost connection to {peer}', terminal=True)
# Will only add a new peer to pool if needed
onlinepeers.get_online_peers(kv)
except ValueError:
pass
else:
peer_profile = get_peer_profile(kv, peer)
peer_profile.update_connect_time()
peer_profile.addScore(1)
# If returnHeaders, returns tuple of data, headers.
# If not, just data string
return ret_data