buranun/database.py

64 lines
1.6 KiB
Python

import enum
import random
import unicodedata
import sqlite3
from passlib.hash import argon2
class userstatus(enum.Enum):
# These will be stored in the database, be mindful of not changing the numbers
deleted = 0
normal = 1
admin = 2
csprng = random.SystemRandom()
def add_user(userdb, *, username, password, email, parent, status):
"""Add a user to the database"""
global csprgn
assert type(username) == str
assert type(password) == str
assert type(email) == str
assert type(parent) == int or parent is None
assert status in userstatus
# Generate a user ID. SQLite uses 64 bit signed ints, so generate at max 2⁶³-1
userid = csprng.randrange(2**63)
# First unicode normalize the password, then hash it with argon2
password = unicodedata.normalize('NFKC', password)
password = argon2.hash(password)
# Convert status into an int for storage
status = status.value
# Add the user into the database
cursor = userdb.cursor()
cursor.execute('INSERT INTO users VALUES (?, ?, ?, ?, ?, ?, ?);', (userid, parent, status, password, username, email, ''))
userdb.commit()
def initialize_userdb(userdb, admin_user, admin_password):
"""Creates a bare-bones user database with only admin
This should never be run outside of the initialization script"""
cursor = userdb.cursor()
cursor.execute('''CREATE TABLE users (
id integer NOT NULL PRIMARY KEY,
parent integer,
status integer NOT NULL,
password text NOT NULL,
username text NOT NULL,
email text NOT NULL,
comment text NOT NULL
);''')
userdb.commit()
add_user(userdb, username = admin_user, password = admin_password, email = '', parent = None, status = userstatus.admin)