onionr/src/httpapi/miscpublicapi/upload.py

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"""Onionr - Private P2P Communication.
Accept block uploads to the public API server
"""
import sys
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from gevent import spawn
from flask import Response
from flask import abort
from flask import g
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from onionrutils import localcommand
from onionrblocks import blockimporter
import onionrexceptions
import logger
"""
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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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def accept_upload(request):
"""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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b_hash = ''
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if sys.getsizeof(data) < 100000000:
try:
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b_hash = blockimporter.import_block_from_data(data)
if b_hash:
if g.too_many.get_by_string("DeadSimpleKV").get('onlinePeers'):
spawn(
localcommand.local_command,
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'/daemon-event/upload_event',
post=True,
is_json=True,
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post_data={'block': b_hash}
).get(timeout=10)
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resp = 'success'
else:
resp = 'failure'
logger.warn(
f'Error encountered importing uploaded block {b_hash}')
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except onionrexceptions.BlacklistedBlock:
logger.debug('uploaded block is blacklisted')
resp = 'failure'
except onionrexceptions.InvalidProof:
resp = 'proof'
except onionrexceptions.DataExists:
resp = 'exists'
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if resp == 'failure':
abort(400)
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elif resp == 'proof':
resp = Response(resp, 400)
logger.warn(
f'Error importing uploaded block, invalid proof {b_hash}')
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else:
resp = Response(resp)
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return resp