Onionr/onionr/httpapi/miscpublicapi/getblocks.py

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'''
Onionr - Private P2P Communication
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Public endpoints to get block data and lists
'''
'''
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/>.
'''
from flask import Response, abort
import config
from onionrutils import bytesconverter, stringvalidators
from coredb import blockmetadb
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from utils import reconstructhash
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from .. import apiutils
def get_public_block_list(publicAPI, request):
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# Provide a list of our blocks, with a date offset
dateAdjust = request.args.get('date')
bList = blockmetadb.get_block_list(dateRec=dateAdjust)
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share_list = ''
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if config.get('general.hide_created_blocks', True):
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for b in publicAPI.hideBlocks:
if b in bList:
# Don't share blocks we created if they haven't been *uploaded* yet, makes it harder to find who created a block
bList.remove(b)
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for b in bList:
share_list += '%s\n' % (reconstructhash.deconstruct_hash(b),)
return Response(share_list)
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def get_block_data(publicAPI, data):
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'''data is the block hash in hex'''
resp = ''
if stringvalidators.validate_hash(data):
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if not config.get('general.hide_created_blocks', True) or data not in publicAPI.hideBlocks:
if data in blockmetadb.get_block_list():
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block = apiutils.GetBlockData().get_block_data(data, raw=True)
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try:
block = block.encode() # Encode in case data is binary
except AttributeError:
if len(block) == 0:
abort(404)
block = bytesconverter.str_to_bytes(block)
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resp = block
if len(resp) == 0:
abort(404)
resp = ""
# Has to be octet stream, otherwise binary data fails hash check
return Response(resp, mimetype='application/octet-stream')