65 lines
2.5 KiB
Python
Executable File
65 lines
2.5 KiB
Python
Executable File
'''
|
|
Onionr - Private P2P Communication
|
|
|
|
Handle announcements to the public API server
|
|
'''
|
|
'''
|
|
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 base64
|
|
from flask import Response
|
|
import logger
|
|
from etc import onionrvalues
|
|
from onionrutils import stringvalidators, bytesconverter
|
|
|
|
def handle_announce(clientAPI, request):
|
|
'''
|
|
accept announcement posts, validating POW
|
|
clientAPI should be an instance of the clientAPI server running, request is a instance of a flask request
|
|
'''
|
|
resp = 'failure'
|
|
powHash = ''
|
|
randomData = ''
|
|
newNode = ''
|
|
ourAdder = clientAPI._core.hsAddress.encode()
|
|
try:
|
|
newNode = request.form['node'].encode()
|
|
except KeyError:
|
|
logger.warn('No node specified for upload')
|
|
pass
|
|
else:
|
|
try:
|
|
randomData = request.form['random']
|
|
randomData = base64.b64decode(randomData)
|
|
except KeyError:
|
|
logger.warn('No random data specified for upload')
|
|
else:
|
|
nodes = newNode + clientAPI._core.hsAddress.encode()
|
|
nodes = clientAPI._core._crypto.blake2bHash(nodes)
|
|
powHash = clientAPI._core._crypto.blake2bHash(randomData + nodes)
|
|
try:
|
|
powHash = powHash.decode()
|
|
except AttributeError:
|
|
pass
|
|
if powHash.startswith('0' * onionrvalues.OnionrValues().announce_pow):
|
|
newNode = bytesconverter.bytes_to_str(newNode)
|
|
if stringvalidators.validate_transport(newNode) and not newNode in clientAPI._core.onionrInst.communicatorInst.newPeers:
|
|
clientAPI._core.onionrInst.communicatorInst.newPeers.append(newNode)
|
|
resp = 'Success'
|
|
else:
|
|
logger.warn(newNode.decode() + ' failed to meet POW: ' + powHash)
|
|
resp = Response(resp)
|
|
if resp == 'failure':
|
|
return resp, 406
|
|
return resp |