Onionr/src/onionrsetup/dbcreator.py

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'''
Onionr - Private P2P Communication
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DBCreator, creates sqlite3 databases used by Onionr
'''
'''
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/>.
'''
import sqlite3, os
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from coredb import dbfiles
import filepaths
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def createAddressDB():
'''
Generate the address database
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types:
1: I2P b32 address
2: Tor v2 (like facebookcorewwwi.onion)
3: Tor v3
'''
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if os.path.exists(dbfiles.address_info_db):
raise FileExistsError("Address database already exists")
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conn = sqlite3.connect(dbfiles.address_info_db)
c = conn.cursor()
c.execute('''CREATE TABLE adders(
address text,
type int,
knownPeer text,
speed int,
success int,
powValue text,
failure int,
lastConnect int,
lastConnectAttempt int,
trust int,
introduced int
);
''')
conn.commit()
conn.close()
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def createPeerDB():
'''
Generate the peer sqlite3 database and populate it with the peers table.
'''
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if os.path.exists(dbfiles.user_id_info_db):
raise FileExistsError("User database already exists")
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# generate the peer database
conn = sqlite3.connect(dbfiles.user_id_info_db)
c = conn.cursor()
c.execute('''CREATE TABLE peers(
ID text not null,
name text,
adders text,
dateSeen not null,
trust int,
hashID text);
''')
c.execute('''CREATE TABLE forwardKeys(
peerKey text not null,
forwardKey text not null,
date int not null,
expire int not null
);''')
conn.commit()
conn.close()
return
def createBlockDB():
'''
Create a database for blocks
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hash - the hash of a block
dateReceived - the date the block was recieved, not necessarily when it was created
decrypted - if we can successfully decrypt the block (does not describe its current state)
dataType - data type of the block
dataFound - if the data has been found for the block
dataSaved - if the data has been saved for the block
sig - optional signature by the author (not optional if author is specified)
author - multi-round partial sha3-256 hash of authors public key
dateClaimed - timestamp claimed inside the block, only as trustworthy as the block author is
expire int - block expire date in epoch
'''
if os.path.exists(dbfiles.block_meta_db):
raise FileExistsError("Block database already exists")
conn = sqlite3.connect(dbfiles.block_meta_db)
c = conn.cursor()
c.execute('''CREATE TABLE hashes(
hash text not null,
dateReceived int,
decrypted int,
dataType text,
dataFound int,
dataSaved int,
sig text,
author text,
dateClaimed int,
expire int
);
''')
conn.commit()
conn.close()
return
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def createBlockDataDB():
if os.path.exists(dbfiles.block_data_db):
raise FileExistsError("Block data database already exists")
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else:
if not os.path.exists(filepaths.block_data_location):
os.mkdir(filepaths.block_data_location)
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conn = sqlite3.connect(dbfiles.block_data_db)
c = conn.cursor()
c.execute('''CREATE TABLE blockData(
hash text not null,
data blob not null
);
''')
conn.commit()
conn.close()
def createForwardKeyDB():
'''
Create the forward secrecy key db (*for *OUR* keys*)
'''
if os.path.exists(dbfiles.forward_keys_db):
raise FileExistsError("Block database already exists")
conn = sqlite3.connect(dbfiles.forward_keys_db)
c = conn.cursor()
c.execute('''CREATE TABLE myForwardKeys(
peer text not null,
publickey text not null,
privatekey text not null,
date int not null,
expire int not null
);
''')
conn.commit()
conn.close()
return
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def create_blacklist_db():
if os.path.exists(dbfiles.blacklist_db):
raise FileExistsError("Blacklist db already exists")
conn = sqlite3.connect(dbfiles.blacklist_db, timeout=10)
c = conn.cursor()
# Create table
c.execute('''CREATE TABLE blacklist(
hash text primary key not null,
dataType int,
blacklistDate int,
expire int
);
''')
conn.commit()
conn.close()
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create_funcs = [createAddressDB, createPeerDB,
createBlockDB, createBlockDataDB,
createForwardKeyDB, create_blacklist_db]