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

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'''
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
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import onionrusers
plugin_name = 'metadataprocessor'
# event listeners
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def _processUserInfo(api, newBlock):
'''
Set the username for a particular user, from a signed block by them
'''
myBlock = newBlock
peerName = myBlock.getMetadata('name')
try:
if len(peerName) > 20:
raise onionrexceptions.InvalidMetdata('Peer name specified is too large')
except TypeError:
pass
except onionrexceptions.InvalidMetadata:
pass
else:
api.get_core().setPeerInfo(signer, 'name', peerName)
logger.info('%s is now using the name %s.' % (signer, api.get_utils().escapeAnsi(peerName)))
def _processForwardKey(api, myBlock):
'''
Get the forward secrecy key specified by the user for us to use
'''
peer = onionrusers.OnionrUser(self.api.get_core(), myBlock.signer)
def on_processBlocks(api):
myBlock = api.data['block']
blockType = api.data['type']
print('blockType is ' + blockType)
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# Process specific block types
# userInfo blocks, such as for setting username
if blockType == 'userInfo':
if myBlock.verifySig():
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_processUserInfo(api, myBlock)
# forwardKey blocks
elif blockType == 'forwardKey':
if myBlock.verifySig():
_processForwardKey(api, myBlock)
def on_init(api, data = None):
pluginapi = api
return