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