Private Decentralized Communication Network
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"""
Onionr - Private P2P Communication
view and interact with onionr sites
"""
from typing import Union
import onionrexceptions
from onionrutils import mnemonickeys
from onionrutils import stringvalidators
from coredb import blockmetadb
from onionrblocks.onionrblockapi import Block
from onionrtypes import BlockHash
"""
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/>.
"""
def find_site(user_id: str) -> Union[BlockHash, None]:
"""Returns block hash str for latest block for a site by a given user id"""
# If mnemonic delim in key, convert to base32 version
if mnemonickeys.DELIMITER in user_id:
user_id = mnemonickeys.get_base32(user_id)
if not stringvalidators.validate_pub_key(user_id):
raise onionrexceptions.InvalidPubkey
found_site = None
sites = blockmetadb.get_blocks_by_type('osite')
# Find site by searching all site blocks. eww O(N) ☹️, TODO: event based
for site in sites:
site = Block(site)
if site.isSigner(user_id) and site.verifySig():
found_site = site.hash
return found_site