92 lines
3.9 KiB
Python
Executable File
92 lines
3.9 KiB
Python
Executable File
'''
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Onionr - Private P2P Communication
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Upload blocks in the upload queue to peers from the communicator
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'''
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from __future__ import annotations
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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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from typing import Union, TYPE_CHECKING
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import threading
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import logger
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from communicatorutils import proxypicker
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import onionrexceptions
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import onionrblockapi as block
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from onionrutils import localcommand, stringvalidators, basicrequests
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from communicator import onlinepeers
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import onionrcrypto
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from . import sessionmanager
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def upload_blocks_from_communicator(comm_inst: OnionrCommunicatorDaemon):
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"""Accepts a communicator instance and uploads blocks from its upload queue"""
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"""when inserting a block, we try to upload
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it to a few peers to add some deniability & increase functionality"""
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TIMER_NAME = "upload_blocks_from_communicator"
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session_manager: sessionmanager.BlockUploadSessionManager = comm_inst.shared_state.get(sessionmanager.BlockUploadSessionManager)
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triedPeers = []
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finishedUploads = []
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comm_inst.blocksToUpload = onionrcrypto.cryptoutils.random_shuffle(comm_inst.blocksToUpload)
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if len(comm_inst.blocksToUpload) != 0:
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for bl in comm_inst.blocksToUpload:
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if not stringvalidators.validate_hash(bl):
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logger.warn('Requested to upload invalid block', terminal=True)
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comm_inst.decrementThreadCount(TIMER_NAME)
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return
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session = session_manager.add_session(bl)
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for i in range(min(len(comm_inst.onlinePeers), 6)):
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peer = onlinepeers.pick_online_peer(comm_inst)
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try:
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session.peer_exists[peer]
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continue
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except KeyError:
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pass
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try:
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if session.peer_fails[peer] > 3: continue
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except KeyError:
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pass
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if peer in triedPeers: continue
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triedPeers.append(peer)
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url = f'http://{peer}/upload'
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try:
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data = block.Block(bl).getRaw()
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except onionrexceptions.NoDataAvailable:
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finishedUploads.append(bl)
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break
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proxyType = proxypicker.pick_proxy(peer)
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logger.info(f"Uploading block {bl[:8]} to {peer}", terminal=True)
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resp = basicrequests.do_post_request(url, data=data, proxyType=proxyType, content_type='application/octet-stream')
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if not resp == False:
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if resp == 'success':
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session.success()
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session.peer_exists[peer] = True
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elif resp == 'exists':
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session.peer_exists[peer] = True
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else:
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session.fail()
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session.fail_peer(peer)
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comm_inst.getPeerProfileInstance(peer).addScore(-5)
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logger.warn(f'Failed to upload {bl[:8]}, reason: {resp[:15]}', terminal=True)
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else:
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session.fail()
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session_manager.clean_session()
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for x in finishedUploads:
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try:
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comm_inst.blocksToUpload.remove(x)
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except ValueError:
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pass
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comm_inst.decrementThreadCount(TIMER_NAME)
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