Onionr/onionr/onionrservices/__init__.py

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'''
Onionr - Private P2P Communication
Onionr services provide the server component to direct connections
'''
'''
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/>.
'''
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import time
import stem
import core
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from . import connectionserver, bootstrapservice
from onionrutils import stringvalidators, basicrequests
class OnionrServices:
'''
Create a client or server for connecting to peer interfaces
'''
def __init__(self, onionr_core):
assert isinstance(onionr_core, core.Core)
self._core = onionr_core
self.servers = {}
self.clients = {}
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self.shutdown = False
return
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def create_server(self, peer, address):
'''
When a client wants to connect, contact their bootstrap address and tell them our
ephemeral address for our service by creating a new ConnectionServer instance
'''
assert stringvalidators.validate_transport(address)
BOOTSTRAP_TRIES = 10 # How many times to attempt contacting the bootstrap server
TRY_WAIT = 3 # Seconds to wait before trying bootstrap again
# HTTP is fine because .onion/i2p is encrypted/authenticated
base_url = 'http://%s/' % (address,)
socks = self._core.config.get('tor.socksport')
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for x in range(BOOTSTRAP_TRIES):
if basicrequests.do_get_request(self._core, base_url + 'ping', port=socks, ignoreAPI=True) == 'pong!':
# if bootstrap sever is online, tell them our service address
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connectionserver.ConnectionServer(peer, address, core_inst=self._core)
else:
time.sleep(TRY_WAIT)
else:
return False
def create_client(self, peer):
# Create ephemeral onion service to bootstrap connection
address = bootstrapservice.bootstrap_client_service(peer)
return address