82 lines
2.7 KiB
Python
Executable File
82 lines
2.7 KiB
Python
Executable File
"""Onionr - Private P2P Communication.
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Cleanup old Onionr blocks and forward secrecy keys using the communicator.
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Ran from a communicator timer usually
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"""
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import sqlite3
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import logger
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from onionrusers import onionrusers
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from onionrutils import epoch
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from coredb import blockmetadb, dbfiles
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import onionrstorage
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from onionrstorage import removeblock
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from onionrblocks import onionrblacklist
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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 __remove_from_upload(comm_inst, block_hash: str):
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try:
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comm_inst.blocksToUpload.remove(block_hash)
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except ValueError:
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pass
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def clean_old_blocks(comm_inst):
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"""Delete expired blocks + old blocks if disk allocation is near full"""
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blacklist = onionrblacklist.OnionrBlackList()
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# Delete expired blocks
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for bHash in blockmetadb.expiredblocks.get_expired_blocks():
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blacklist.addToDB(bHash)
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removeblock.remove_block(bHash)
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onionrstorage.deleteBlock(bHash)
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__remove_from_upload(comm_inst, bHash)
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logger.info('Deleted block: %s' % (bHash,))
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while comm_inst.storage_counter.is_full():
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try:
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oldest = blockmetadb.get_block_list()[0]
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except IndexError:
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break
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blacklist.addToDB(oldest)
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removeblock.remove_block(oldest)
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onionrstorage.deleteBlock(oldest)
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__remove_from_upload(comm_inst, oldest)
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logger.info('Deleted block: %s' % (oldest,))
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comm_inst.decrementThreadCount('clean_old_blocks')
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def clean_keys(comm_inst):
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"""Delete expired forward secrecy keys"""
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conn = sqlite3.connect(dbfiles.user_id_info_db, timeout=10)
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c = conn.cursor()
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time = epoch.get_epoch()
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deleteKeys = []
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for entry in c.execute("SELECT * FROM forwardKeys WHERE expire <= ?", (time,)):
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logger.debug('Forward key: %s' % entry[1])
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deleteKeys.append(entry[1])
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for key in deleteKeys:
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logger.debug('Deleting forward key %s' % key)
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c.execute("DELETE from forwardKeys where forwardKey = ?", (key,))
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conn.commit()
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conn.close()
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onionrusers.deleteExpiredKeys()
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comm_inst.decrementThreadCount('clean_keys')
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