95 lines
3.3 KiB
Python
Executable File
95 lines
3.3 KiB
Python
Executable File
"""Onionr - Private P2P Communication.
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Accept block uploads to the public API server
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"""
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import sys
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from gevent import spawn
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from flask import Response
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from flask import abort
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from flask import g
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from onionrutils import localcommand
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from onionrblocks import blockimporter
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import onionrexceptions
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import logger
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import config
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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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def accept_upload(request):
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"""Accept uploaded blocks to our public Onionr protocol API server"""
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resp = 'failure'
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data = request.get_data()
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data_size = sys.getsizeof(data)
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b_hash = None
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if data_size < 30:
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resp = 'size'
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elif data_size < 100000000:
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try:
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b_hash = blockimporter.import_block_from_data(data)
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if b_hash:
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# Upload mixing is where a node will hide and reupload a block
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# to act like it is also a creator
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# This adds deniability but is very slow
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if g.too_many.get_by_string(
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"DeadSimpleKV").get('onlinePeers') and \
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config.get('general.upload_mixing', False):
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spawn(
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localcommand.local_command,
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'/daemon-event/upload_event',
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post=True,
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is_json=True,
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post_data={'block': b_hash}
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).get(timeout=10)
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resp = 'success'
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else:
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resp = 'failure'
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logger.warn(
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f'Error encountered importing uploaded block {b_hash}')
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except onionrexceptions.BlacklistedBlock:
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logger.debug('uploaded block is blacklisted')
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resp = 'failure'
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except onionrexceptions.InvalidProof:
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resp = 'proof'
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except onionrexceptions.DataExists:
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resp = 'exists'
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except onionrexceptions.PlaintextNotSupported:
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logger.debug(f"attempted plaintext upload to us: {b_hash}")
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resp = 'failure'
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except onionrexceptions.InvalidMetadata:
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logger.debug(
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f'uploaded block {b_hash} has invalid metadata')
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resp = 'failure'
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if resp == 'failure':
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abort(400)
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elif resp == 'size':
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resp = Response(resp, 400)
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logger.warn(
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f'Error importing uploaded block, invalid size {b_hash}')
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elif resp == 'proof':
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resp = Response(resp, 400)
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if b_hash:
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logger.warn(
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f'Error importing uploaded block, invalid proof {b_hash}')
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else:
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logger.warn(
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'Error importing uploaded block, invalid proof')
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else:
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resp = Response(resp)
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return resp
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