Onionr/onionr/static-data/default-plugins/metadataprocessor/main.py

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2018-11-11 02:10:58 +00:00
'''
Onionr - P2P Anonymous Storage Network
This processes metadata for Onionr blocks
'''
'''
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/>.
'''
# useful libraries
import logger, config
import os, sys, json, time, random, shutil, base64, getpass, datetime, re
from onionrblockapi import Block
import onionrusers, onionrexceptions
plugin_name = 'metadataprocessor'
# event listeners
def _processForwardKey(api, myBlock):
'''
Get the forward secrecy key specified by the user for us to use
'''
peer = onionrusers.OnionrUser(api.get_core(), myBlock.signer)
key = myBlock.getMetadata('newFSKey')
# We don't need to validate here probably, but it helps
if api.get_utils().validatePubKey(key):
peer.addForwardKey(key)
else:
raise onionrexceptions.InvalidPubkey("%s is nota valid pubkey key" % (key,))
def on_processblocks(api):
# Generally fired by utils.
myBlock = api.data['block']
blockType = api.data['type']
logger.info('blockType is ' + blockType)
# Process specific block types
# forwardKey blocks, add a new forward secrecy key for a peer
if blockType == 'forwardKey':
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if api.data['validSig'] == True:
_processForwardKey(api, myBlock)
# socket blocks
elif blockType == 'socket':
if api.data['validSig'] == True and myBlock.decrypted: # we check if it is decrypted as a way of seeing if it was for us
logger.info('Detected socket advertised to us...')
try:
address = myBlock.getMetadata('address')
except KeyError:
raise onionrexceptions.MissingAddress("Missing address for new socket")
try:
port = myBlock.getMetadata('port')
except KeyError:
raise ValueError("Missing port for new socket")
try:
reason = myBlock.getMetadata('reason')
except KeyError:
raise ValueError("Missing socket reason")
socketInfo = json.dumps({'peer': api.data['signer'], 'address': address, 'port': port, 'create': False, 'reason': reason})
api.get_core().daemonQueueAdd('addSocket', socketInfo)
else:
logger.warn("socket is not for us or is invalid")
def on_init(api, data = None):
pluginapi = api
return