Onionr/src/httpapi/onionrsitesapi/sitefiles.py

80 lines
2.4 KiB
Python

"""Onionr - Private P2P Communication.
Read onionr site files
"""
from typing import Union, Tuple
import tarfile
import io
import os
import unpaddedbase32
from coredb import blockmetadb
from onionrblocks import onionrblockapi
from onionrblocks import insert
# Import types. Just for type hiting
from onionrtypes import UserID, DeterministicKeyPassphrase, BlockHash
from onionrcrypto import generate_deterministic
"""
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_gzip(user_id: str)->tarfile.TarFile:
"""Return verified site tar object"""
sites = blockmetadb.get_blocks_by_type('osite')
user_site = None
unpadded_user = user_id
user_id = unpaddedbase32.repad(user_id)
for site in sites:
block = onionrblockapi.Block(site)
if block.isSigner(user_id) or block.isSigner(unpadded_user):
user_site = block
if not user_site is None:
return tarfile.open(fileobj=io.BytesIO(user_site.bcontent), mode='r')
return None
def get_file(user_id, file)->Union[bytes, None]:
"""Get a site file content"""
ret_data = ""
site = find_site_gzip(user_id)
if file.endswith('/'):
file += 'index.html'
if site is None: return None
for t_file in site.getmembers():
if t_file.name.replace('./', '') == file:
return site.extractfile(t_file)
return None
def create_site(admin_pass: DeterministicKeyPassphrase, directory:str='.')->Tuple[UserID, BlockHash]:
public_key, private_key = generate_deterministic(admin_pass)
raw_tar = io.BytesIO()
tar = tarfile.open(mode='x:gz', fileobj=raw_tar)
tar.add(directory)
tar.close()
raw_tar.seek(0)
block_hash = insert(raw_tar.read(), header='osite', signing_key=private_key, sign=True)
return (public_key, block_hash)